| /* |
| * Copyright (c) 2013-2017 The Linux Foundation. All rights reserved. |
| * |
| * Previously licensed under the ISC license by Qualcomm Atheros, Inc. |
| * |
| * |
| * Permission to use, copy, modify, and/or distribute this software for |
| * any purpose with or without fee is hereby granted, provided that the |
| * above copyright notice and this permission notice appear in all |
| * copies. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL |
| * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED |
| * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE |
| * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL |
| * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR |
| * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER |
| * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR |
| * PERFORMANCE OF THIS SOFTWARE. |
| */ |
| |
| /* |
| * This file was originally distributed by Qualcomm Atheros, Inc. |
| * under proprietary terms before Copyright ownership was assigned |
| * to the Linux Foundation. |
| */ |
| /*======================================================================== |
| |
| \file wlan_hdd_ipa.c |
| |
| \brief WLAN HDD and ipa interface implementation |
| |
| ========================================================================*/ |
| |
| /*-------------------------------------------------------------------------- |
| Include Files |
| ------------------------------------------------------------------------*/ |
| #ifdef IPA_OFFLOAD |
| #include <wlan_hdd_includes.h> |
| #include <wlan_hdd_ipa.h> |
| |
| #include <linux/etherdevice.h> |
| #include <linux/atomic.h> |
| #include <linux/netdevice.h> |
| #include <linux/skbuff.h> |
| #include <linux/list.h> |
| #include <linux/debugfs.h> |
| #include <linux/inetdevice.h> |
| #include <linux/ip.h> |
| #include <wlan_hdd_softap_tx_rx.h> |
| |
| #include "vos_sched.h" |
| #include "tl_shim.h" |
| #include "wlan_qct_tl.h" |
| |
| #ifdef IPA_UC_OFFLOAD |
| #include "wma.h" |
| #include "wma_api.h" |
| #include "wal_rx_desc.h" |
| #endif /* IPA_UC_OFFLOAD */ |
| |
| #define HDD_IPA_DESC_BUFFER_RATIO 4 |
| #define HDD_IPA_IPV4_NAME_EXT "_ipv4" |
| #define HDD_IPA_IPV6_NAME_EXT "_ipv6" |
| |
| #define HDD_IPA_RX_INACTIVITY_MSEC_DELAY 1000 |
| #ifdef IPA_UC_OFFLOAD |
| #define HDD_IPA_UC_WLAN_HDR_DES_MAC_OFFSET 12 |
| #define HDD_IPA_UC_WLAN_8023_HDR_SIZE 14 |
| /* WDI TX and RX PIPE */ |
| #define HDD_IPA_UC_NUM_WDI_PIPE 2 |
| #define HDD_IPA_UC_MAX_PENDING_EVENT 33 |
| |
| #define HDD_IPA_UC_DEBUG_DUMMY_MEM_SIZE 32000 |
| #define HDD_IPA_UC_RT_DEBUG_PERIOD 300 |
| #define HDD_IPA_UC_RT_DEBUG_BUF_COUNT 30 |
| #define HDD_IPA_UC_RT_DEBUG_FILL_INTERVAL 10000 |
| |
| #define MAX_PENDING_EVENT_COUNT 20 |
| #endif /* IPA_UC_OFFLOAD */ |
| |
| #ifdef IPA_UC_OFFLOAD |
| typedef enum { |
| HDD_IPA_UC_OPCODE_TX_SUSPEND = 0, |
| HDD_IPA_UC_OPCODE_TX_RESUME = 1, |
| HDD_IPA_UC_OPCODE_RX_SUSPEND = 2, |
| HDD_IPA_UC_OPCODE_RX_RESUME = 3, |
| HDD_IPA_UC_OPCODE_STATS = 4, |
| HDD_IPA_UC_OPCODE_UC_READY = 5, |
| /* keep this last */ |
| HDD_IPA_UC_OPCODE_MAX |
| } hdd_ipa_uc_op_code; |
| |
| typedef enum { |
| HDD_IPA_UC_STAT_REASON_NONE, |
| HDD_IPA_UC_STAT_REASON_DEBUG, |
| HDD_IPA_UC_STAT_REASON_BW_CAL, |
| HDD_IPA_UC_STAT_REASON_DUMP_INFO |
| } hdd_ipa_uc_stat_reason; |
| #endif /* IPA_UC_OFFLOAD */ |
| |
| struct llc_snap_hdr { |
| uint8_t dsap; |
| uint8_t ssap; |
| uint8_t resv[4]; |
| __be16 eth_type; |
| } __packed; |
| |
| struct hdd_ipa_tx_hdr { |
| struct ethhdr eth; |
| struct llc_snap_hdr llc_snap; |
| } __packed; |
| |
| /* For Tx pipes, use 802.3 Header format */ |
| static struct hdd_ipa_tx_hdr ipa_tx_hdr = { |
| { |
| {0xDE, 0xAD, 0xBE, 0xEF, 0xFF, 0xFF}, |
| {0xDE, 0xAD, 0xBE, 0xEF, 0xFF, 0xFF}, |
| 0x00 /* length can be zero */ |
| }, |
| { |
| /* LLC SNAP header 8 bytes */ |
| 0xaa, 0xaa, |
| {0x03, 0x00, 0x00, 0x00}, |
| 0x0008 /* type value(2 bytes) ,filled by wlan */ |
| /* 0x0800 - IPV4, 0x86dd - IPV6 */ |
| } |
| }; |
| |
| #ifdef IPA_UC_OFFLOAD |
| struct frag_header { |
| uint32 |
| length:16, /* length field is LSB of the FRAG DESC */ |
| reserved16:16; |
| uint32 reserved32; |
| } __packed; |
| |
| struct ipa_header { |
| uint32 |
| vdev_id:8, /* vdev_id field is LSB of IPA DESC */ |
| reserved:24; |
| } __packed; |
| |
| struct hdd_ipa_uc_tx_hdr { |
| struct frag_header frag_hd; |
| struct ipa_header ipa_hd; |
| struct ethhdr eth; |
| } __packed; |
| |
| /* For Tx pipes, use Ethernet-II Header format */ |
| struct hdd_ipa_uc_tx_hdr ipa_uc_tx_hdr = { |
| { |
| 0x00000000, |
| 0x00000000 |
| }, |
| { |
| 0x00000000 |
| }, |
| { |
| {0x00, 0x03, 0x7f, 0xaa, 0xbb, 0xcc}, |
| {0x00, 0x03, 0x7f, 0xdd, 0xee, 0xff}, |
| 0x0008 |
| } |
| }; |
| #endif /* IPA_UC_OFFLOAD */ |
| |
| /* |
| +----------+----------+--------------+--------+ |
| | Reserved | QCMAP ID | interface id | STA ID | |
| +----------+----------+--------------+--------+ |
| */ |
| struct hdd_ipa_cld_hdr { |
| uint8_t reserved[2]; |
| uint8_t iface_id; |
| uint8_t sta_id; |
| } __packed; |
| |
| struct hdd_ipa_rx_hdr { |
| struct hdd_ipa_cld_hdr cld_hdr; |
| struct ethhdr eth; |
| } __packed; |
| |
| struct hdd_ipa_pm_tx_cb { |
| struct hdd_ipa_iface_context *iface_context; |
| struct ipa_rx_data *ipa_tx_desc; |
| }; |
| |
| #ifdef IPA_UC_OFFLOAD |
| struct hdd_ipa_uc_rx_hdr { |
| struct ethhdr eth; |
| } __packed; |
| #endif /* IPA_UC_OFFLOAD */ |
| |
| #define HDD_IPA_WLAN_CLD_HDR_LEN sizeof(struct hdd_ipa_cld_hdr) |
| #ifdef IPA_UC_OFFLOAD |
| #define HDD_IPA_UC_WLAN_CLD_HDR_LEN 0 |
| #endif /* IPA_UC_OFFLOAD */ |
| |
| #define HDD_IPA_WLAN_TX_HDR_LEN sizeof(ipa_tx_hdr) |
| #ifdef IPA_UC_OFFLOAD |
| #define HDD_IPA_UC_WLAN_TX_HDR_LEN sizeof(ipa_uc_tx_hdr) |
| #endif /* IPA_UC_OFFLOAD */ |
| |
| #define HDD_IPA_WLAN_RX_HDR_LEN sizeof(struct hdd_ipa_rx_hdr) |
| #ifdef IPA_UC_OFFLOAD |
| #define HDD_IPA_UC_WLAN_RX_HDR_LEN sizeof(struct hdd_ipa_uc_rx_hdr) |
| #endif /* IPA_UC_OFFLOAD */ |
| |
| #define HDD_IPA_WLAN_HDR_DES_MAC_OFFSET 0 |
| |
| #define HDD_IPA_GET_IFACE_ID(_data) \ |
| (((struct hdd_ipa_cld_hdr *) (_data))->iface_id) |
| |
| |
| #define HDD_IPA_LOG(LVL, fmt, args...) VOS_TRACE(VOS_MODULE_ID_HDD, LVL, \ |
| "%s:%d: "fmt, __func__, __LINE__, ## args) |
| #define HDD_IPA_DP_LOG(LVL, fmt, args...) VOS_TRACE(VOS_MODULE_ID_HDD_DATA, LVL, \ |
| "%s:%d: "fmt, __func__, __LINE__, ## args) |
| |
| |
| #define HDD_IPA_DBG_DUMP(_lvl, _prefix, _buf, _len) \ |
| do {\ |
| VOS_TRACE(VOS_MODULE_ID_HDD, _lvl, "%s:", _prefix); \ |
| VOS_TRACE_HEX_DUMP(VOS_MODULE_ID_HDD, _lvl, _buf, _len); \ |
| } while(0) |
| |
| #define DBG_DUMP_RX_LEN 32 |
| #define DBG_DUMP_TX_LEN 48 |
| |
| enum hdd_ipa_rm_state { |
| HDD_IPA_RM_RELEASED, |
| HDD_IPA_RM_GRANT_PENDING, |
| HDD_IPA_RM_GRANTED, |
| }; |
| |
| #define HDD_IPA_MAX_IFACE 3 |
| #define HDD_IPA_MAX_SYSBAM_PIPE 4 |
| #define HDD_IPA_RX_PIPE HDD_IPA_MAX_IFACE |
| |
| static struct hdd_ipa_adapter_2_client { |
| enum ipa_client_type cons_client; |
| enum ipa_client_type prod_client; |
| } hdd_ipa_adapter_2_client[HDD_IPA_MAX_IFACE] = { |
| #ifdef IPA_UC_OFFLOAD |
| {IPA_CLIENT_WLAN2_CONS, IPA_CLIENT_WLAN1_PROD}, |
| {IPA_CLIENT_WLAN3_CONS, IPA_CLIENT_WLAN1_PROD}, |
| {IPA_CLIENT_WLAN4_CONS, IPA_CLIENT_WLAN1_PROD}, |
| #else |
| {IPA_CLIENT_WLAN1_CONS, IPA_CLIENT_WLAN1_PROD}, |
| {IPA_CLIENT_WLAN2_CONS, IPA_CLIENT_WLAN1_PROD}, |
| {IPA_CLIENT_WLAN3_CONS, IPA_CLIENT_WLAN1_PROD}, |
| #endif |
| }; |
| |
| struct hdd_ipa_sys_pipe { |
| uint32_t conn_hdl; |
| uint8_t conn_hdl_valid; |
| struct ipa_sys_connect_params ipa_sys_params; |
| }; |
| |
| struct hdd_ipa_iface_stats { |
| uint64_t num_tx; |
| uint64_t num_tx_drop; |
| uint64_t num_tx_err; |
| uint64_t num_tx_cac_drop; |
| uint64_t num_rx_prefilter; |
| uint64_t num_rx_ipa_excep; |
| uint64_t num_rx_recv; |
| uint64_t num_rx_recv_mul; |
| uint64_t num_rx_send_desc_err; |
| uint64_t max_rx_mul; |
| }; |
| |
| struct hdd_ipa_priv; |
| |
| struct hdd_ipa_iface_context { |
| struct hdd_ipa_priv *hdd_ipa; |
| hdd_adapter_t *adapter; |
| void *tl_context; |
| |
| enum ipa_client_type cons_client; |
| enum ipa_client_type prod_client; |
| |
| uint8_t iface_id; /* This iface ID */ |
| uint8_t sta_id; /* This iface station ID */ |
| adf_os_spinlock_t interface_lock; |
| uint32_t ifa_address; |
| struct hdd_ipa_iface_stats stats; |
| }; |
| |
| |
| struct hdd_ipa_stats { |
| uint32_t event[IPA_WLAN_EVENT_MAX]; |
| uint64_t num_send_msg; |
| uint64_t num_free_msg; |
| |
| uint64_t num_rm_grant; |
| uint64_t num_rm_release; |
| uint64_t num_rm_grant_imm; |
| uint64_t num_cons_perf_req; |
| uint64_t num_prod_perf_req; |
| |
| uint64_t num_rx_drop; |
| uint64_t num_rx_ipa_tx_dp; |
| uint64_t num_rx_ipa_splice; |
| uint64_t num_rx_ipa_loop; |
| uint64_t num_rx_ipa_tx_dp_err; |
| uint64_t num_rx_ipa_write_done; |
| uint64_t num_max_ipa_tx_mul; |
| uint64_t num_rx_ipa_hw_maxed_out; |
| uint64_t max_pend_q_cnt; |
| |
| uint64_t num_tx_comp_cnt; |
| uint64_t num_tx_queued; |
| uint64_t num_tx_dequeued; |
| uint64_t num_max_pm_queue; |
| |
| uint64_t num_freeq_empty; |
| uint64_t num_pri_freeq_empty; |
| uint64_t num_rx_excep; |
| uint64_t num_tx_fwd_ok; |
| uint64_t num_tx_fwd_err; |
| }; |
| |
| #ifdef IPA_UC_OFFLOAD |
| struct ipa_uc_stas_map { |
| v_BOOL_t is_reserved; |
| uint8_t sta_id; |
| }; |
| |
| struct op_msg_type { |
| uint8_t msg_t; |
| uint8_t rsvd; |
| uint16_t op_code; |
| uint16_t len; |
| uint16_t rsvd_snd; |
| }; |
| |
| struct ipa_uc_fw_stats { |
| uint32_t tx_comp_ring_base; |
| uint32_t tx_comp_ring_size; |
| uint32_t tx_comp_ring_dbell_addr; |
| uint32_t tx_comp_ring_dbell_ind_val; |
| uint32_t tx_comp_ring_dbell_cached_val; |
| uint32_t tx_pkts_enqueued; |
| uint32_t tx_pkts_completed; |
| uint32_t tx_is_suspend; |
| uint32_t tx_reserved; |
| uint32_t rx_ind_ring_base; |
| uint32_t rx_ind_ring_size; |
| uint32_t rx_ind_ring_dbell_addr; |
| uint32_t rx_ind_ring_dbell_ind_val; |
| uint32_t rx_ind_ring_dbell_ind_cached_val; |
| uint32_t rx_ind_ring_rdidx_addr; |
| uint32_t rx_ind_ring_rd_idx_cached_val; |
| uint32_t rx_refill_idx; |
| uint32_t rx_num_pkts_indicated; |
| uint32_t rx_buf_refilled; |
| uint32_t rx_num_ind_drop_no_space; |
| uint32_t rx_num_ind_drop_no_buf; |
| uint32_t rx_is_suspend; |
| uint32_t rx_reserved; |
| }; |
| |
| struct ipa_uc_pending_event { |
| vos_list_node_t node; |
| hdd_adapter_t *adapter; |
| enum ipa_wlan_event type; |
| uint8_t sta_id; |
| uint8_t mac_addr[VOS_MAC_ADDR_SIZE]; |
| }; |
| |
| static const char *op_string[HDD_IPA_UC_OPCODE_MAX] = { |
| "TX_SUSPEND", |
| "TX_RESUME", |
| "RX_SUSPEND", |
| "RX_RESUME", |
| "STATS", |
| "OPCODE_MAX" |
| }; |
| |
| struct uc_rm_work_struct { |
| struct work_struct work; |
| enum ipa_rm_event event; |
| }; |
| |
| struct uc_op_work_struct { |
| struct work_struct work; |
| struct op_msg_type *msg; |
| }; |
| static uint8_t vdev_to_iface[CSR_ROAM_SESSION_MAX]; |
| |
| struct uc_rt_debug_info { |
| v_TIME_t time; |
| uint64_t ipa_excp_count; |
| uint64_t rx_drop_count; |
| uint64_t net_sent_count; |
| uint64_t rx_discard_count; |
| uint64_t tx_fwd_ok_count; |
| uint64_t tx_fwd_count; |
| uint64_t rx_destructor_call; |
| }; |
| #endif /* IPA_UC_OFFLOAD */ |
| |
| struct hdd_ipa_priv { |
| struct hdd_ipa_sys_pipe sys_pipe[HDD_IPA_MAX_SYSBAM_PIPE]; |
| struct hdd_ipa_iface_context iface_context[HDD_IPA_MAX_IFACE]; |
| uint8_t num_iface; |
| enum hdd_ipa_rm_state rm_state; |
| /* |
| * IPA driver can send RM notifications with IRQ disabled so using adf |
| * APIs as it is taken care gracefully. Without this, kernel would throw |
| * an warning if spin_lock_bh is used while IRQ is disabled |
| */ |
| adf_os_spinlock_t rm_lock; |
| struct work_struct rm_work; |
| #ifdef IPA_UC_OFFLOAD |
| struct uc_rm_work_struct uc_rm_work; |
| struct uc_op_work_struct uc_op_work[HDD_IPA_UC_OPCODE_MAX]; |
| #endif |
| vos_wake_lock_t wake_lock; |
| struct delayed_work wake_lock_work; |
| bool wake_lock_released; |
| |
| enum ipa_client_type prod_client; |
| |
| atomic_t tx_ref_cnt; |
| adf_nbuf_queue_t pm_queue_head; |
| struct work_struct pm_work; |
| adf_os_spinlock_t pm_lock; |
| bool suspended; |
| |
| uint32_t pending_hw_desc_cnt; |
| uint32_t hw_desc_cnt; |
| spinlock_t q_lock; |
| uint32_t freeq_cnt; |
| struct list_head free_desc_head; |
| |
| uint32_t pend_q_cnt; |
| struct list_head pend_desc_head; |
| |
| hdd_context_t *hdd_ctx; |
| |
| struct dentry *debugfs_dir; |
| struct hdd_ipa_stats stats; |
| |
| struct notifier_block ipv4_notifier; |
| uint32_t curr_prod_bw; |
| uint32_t curr_cons_bw; |
| |
| #ifdef IPA_UC_OFFLOAD |
| uint8_t activated_fw_pipe; |
| uint8_t sap_num_connected_sta; |
| #ifdef IPA_UC_STA_OFFLOAD |
| uint8_t sta_connected; |
| #endif |
| uint32_t tx_pipe_handle; |
| uint32_t rx_pipe_handle; |
| v_BOOL_t resource_loading; |
| v_BOOL_t resource_unloading; |
| v_BOOL_t pending_cons_req; |
| struct ipa_uc_stas_map assoc_stas_map[WLAN_MAX_STA_COUNT]; |
| vos_list_t pending_event; |
| vos_lock_t event_lock; |
| uint32_t ipa_tx_packets_diff; |
| uint32_t ipa_rx_packets_diff; |
| uint32_t ipa_p_tx_packets; |
| uint32_t ipa_p_rx_packets; |
| uint64_t ipa_tx_forward; |
| uint64_t ipa_rx_discard; |
| uint64_t ipa_rx_net_send_count; |
| uint64_t ipa_rx_internel_drop_count; |
| uint64_t ipa_rx_destructor_count; |
| hdd_ipa_uc_stat_reason stat_req_reason; |
| struct ipa_wdi_in_params cons_pipe_in; |
| struct ipa_wdi_in_params prod_pipe_in; |
| v_BOOL_t uc_loaded; |
| v_BOOL_t wdi_enabled; |
| bool ipa_pipes_down; |
| vos_timer_t rt_debug_timer; |
| struct uc_rt_debug_info rt_bug_buffer[HDD_IPA_UC_RT_DEBUG_BUF_COUNT]; |
| unsigned int rt_buf_fill_index; |
| vos_timer_t rt_debug_fill_timer; |
| vos_lock_t rt_debug_lock; |
| vos_lock_t ipa_lock; |
| #endif /* IPA_UC_OFFLOAD */ |
| }; |
| |
| static struct hdd_ipa_priv *ghdd_ipa; |
| |
| #define HDD_IPA_ENABLE_MASK BIT(0) |
| #define HDD_IPA_PRE_FILTER_ENABLE_MASK BIT(1) |
| #define HDD_IPA_IPV6_ENABLE_MASK BIT(2) |
| #define HDD_IPA_RM_ENABLE_MASK BIT(3) |
| #define HDD_IPA_CLK_SCALING_ENABLE_MASK BIT(4) |
| #define HDD_IPA_REAL_TIME_DEBUGGING BIT(8) |
| |
| #define HDD_IPA_IS_CONFIG_ENABLED(_hdd_ctx, _mask)\ |
| (((_hdd_ctx)->cfg_ini->IpaConfig & (_mask)) == (_mask)) |
| |
| #ifdef IPA_UC_OFFLOAD |
| #define HDD_IPA_INCREASE_INTERNAL_DROP_COUNT(hdd_ipa) \ |
| hdd_ipa->ipa_rx_internel_drop_count++ |
| #define HDD_IPA_INCREASE_NET_SEND_COUNT(hdd_ipa) \ |
| hdd_ipa->ipa_rx_net_send_count++ |
| #else |
| #define HDD_IPA_INCREASE_INTERNAL_DROP_COUNT(hdd_ipa) {} |
| #define HDD_IPA_INCREASE_NET_SEND_COUNT(hdd_ipa) {} |
| #endif /* IPA_UC_OFFLOAD */ |
| |
| /* Local Function Prototypes */ |
| static void hdd_ipa_i2w_cb(void *priv, enum ipa_dp_evt_type evt, |
| unsigned long data); |
| static void hdd_ipa_w2i_cb(void *priv, enum ipa_dp_evt_type evt, |
| unsigned long data); |
| static void hdd_ipa_msg_free_fn(void *buff, uint32_t len, uint32_t type); |
| |
| #ifdef IPA_UC_OFFLOAD |
| extern int process_wma_set_command(int sessid, int paramid, |
| int sval, int vpdev); |
| #endif /* IPA_UC_OFFLOAD */ |
| static void hdd_ipa_cleanup_iface(struct hdd_ipa_iface_context *iface_context); |
| |
| bool hdd_ipa_is_enabled(hdd_context_t *hdd_ctx) |
| { |
| return HDD_IPA_IS_CONFIG_ENABLED(hdd_ctx, HDD_IPA_ENABLE_MASK); |
| } |
| |
| static inline bool hdd_ipa_uc_is_enabled(struct hdd_ipa_priv *hdd_ipa) |
| { |
| #ifdef IPA_UC_OFFLOAD |
| return (hdd_ipa && hdd_ipa->hdd_ctx->cfg_ini->IpaUcOffloadEnabled); |
| #else |
| return false; |
| #endif /* IPA_UC_OFFLOAD */ |
| } |
| |
| static inline bool hdd_ipa_uc_sta_is_enabled(struct hdd_ipa_priv *hdd_ipa) |
| { |
| #ifdef IPA_UC_STA_OFFLOAD |
| return (hdd_ipa_uc_is_enabled(hdd_ipa) && |
| hdd_ipa->hdd_ctx->cfg_ini->ipa_uc_sta_offload); |
| #else |
| return false; |
| #endif /* IPA_UC_STA_OFFLOAD */ |
| } |
| |
| #ifdef IPA_UC_STA_OFFLOAD |
| static inline void hdd_ipa_uc_sta_reset_sta_connected( |
| struct hdd_ipa_priv *hdd_ipa) |
| { |
| vos_lock_acquire(&hdd_ipa->event_lock); |
| hdd_ipa->sta_connected = 0; |
| vos_lock_release(&hdd_ipa->event_lock); |
| } |
| #else |
| static inline void hdd_ipa_uc_sta_reset_sta_connected( |
| struct hdd_ipa_priv *hdd_ipa) |
| { |
| } |
| #endif |
| |
| static inline bool hdd_ipa_is_pre_filter_enabled(struct hdd_ipa_priv *hdd_ipa) |
| { |
| hdd_context_t *hdd_ctx = hdd_ipa->hdd_ctx; |
| return HDD_IPA_IS_CONFIG_ENABLED(hdd_ctx, HDD_IPA_PRE_FILTER_ENABLE_MASK); |
| } |
| |
| static inline bool hdd_ipa_is_ipv6_enabled(struct hdd_ipa_priv *hdd_ipa) |
| { |
| hdd_context_t *hdd_ctx = hdd_ipa->hdd_ctx; |
| return HDD_IPA_IS_CONFIG_ENABLED(hdd_ctx, HDD_IPA_IPV6_ENABLE_MASK); |
| } |
| |
| static inline bool hdd_ipa_is_rm_enabled(struct hdd_ipa_priv *hdd_ipa) |
| { |
| hdd_context_t *hdd_ctx = hdd_ipa->hdd_ctx; |
| return HDD_IPA_IS_CONFIG_ENABLED(hdd_ctx, HDD_IPA_RM_ENABLE_MASK); |
| } |
| |
| static inline bool hdd_ipa_is_clk_scaling_enabled(struct hdd_ipa_priv *hdd_ipa) |
| { |
| hdd_context_t *hdd_ctx = hdd_ipa->hdd_ctx; |
| return HDD_IPA_IS_CONFIG_ENABLED(hdd_ctx, |
| HDD_IPA_CLK_SCALING_ENABLE_MASK | |
| HDD_IPA_RM_ENABLE_MASK); |
| } |
| |
| static inline bool hdd_ipa_is_rt_debugging_enabled(hdd_context_t *hdd_ctx) |
| { |
| return HDD_IPA_IS_CONFIG_ENABLED(hdd_ctx, HDD_IPA_REAL_TIME_DEBUGGING); |
| } |
| |
| static struct ipa_tx_data_desc *hdd_ipa_alloc_data_desc( |
| struct hdd_ipa_priv *hdd_ipa, int priority) |
| { |
| struct ipa_tx_data_desc *desc = NULL; |
| |
| SPIN_LOCK_BH(&hdd_ipa->q_lock); |
| |
| /* Keep the descriptors for priority alloc which can be used for |
| * anchor nodes |
| */ |
| if (hdd_ipa->freeq_cnt < (HDD_IPA_DESC_BUFFER_RATIO * 2) && !priority) { |
| hdd_ipa->stats.num_freeq_empty++; |
| goto end; |
| } |
| |
| if (!list_empty(&hdd_ipa->free_desc_head)) { |
| desc = list_first_entry(&hdd_ipa->free_desc_head, |
| struct ipa_tx_data_desc, link); |
| list_del(&desc->link); |
| hdd_ipa->freeq_cnt--; |
| } else { |
| hdd_ipa->stats.num_pri_freeq_empty++; |
| } |
| |
| end: |
| SPIN_UNLOCK_BH(&hdd_ipa->q_lock); |
| |
| return desc; |
| } |
| |
| static void hdd_ipa_free_data_desc(struct hdd_ipa_priv *hdd_ipa, |
| struct ipa_tx_data_desc *desc) |
| { |
| desc->priv = NULL; |
| desc->pyld_buffer = NULL; |
| desc->pyld_len = 0; |
| SPIN_LOCK_BH(&hdd_ipa->q_lock); |
| list_add_tail(&desc->link, &hdd_ipa->free_desc_head); |
| hdd_ipa->freeq_cnt++; |
| SPIN_UNLOCK_BH(&hdd_ipa->q_lock); |
| } |
| |
| static struct iphdr * hdd_ipa_get_ip_pkt(void *data, uint16_t *eth_type) |
| { |
| struct ethhdr *eth = (struct ethhdr *)data; |
| struct llc_snap_hdr *ls_hdr; |
| struct iphdr *ip_hdr; |
| |
| ip_hdr = NULL; |
| *eth_type = be16_to_cpu(eth->h_proto); |
| if (*eth_type < 0x600) { |
| /* Non Ethernet II framing format */ |
| ls_hdr = (struct llc_snap_hdr *)((uint8_t *)data + |
| sizeof(struct ethhdr)); |
| |
| if (((ls_hdr->dsap == 0xAA) && (ls_hdr->ssap == 0xAA)) || |
| ((ls_hdr->dsap == 0xAB) && (ls_hdr->ssap == 0xAB))) |
| *eth_type = be16_to_cpu(ls_hdr->eth_type); |
| ip_hdr = (struct iphdr *)((uint8_t *)data + |
| sizeof(struct ethhdr) + sizeof(struct llc_snap_hdr)); |
| } else if (*eth_type == ETH_P_IP) { |
| ip_hdr = (struct iphdr *)((uint8_t *)data + |
| sizeof(struct ethhdr)); |
| } |
| |
| return ip_hdr; |
| } |
| |
| static bool hdd_ipa_can_send_to_ipa(hdd_adapter_t *adapter, struct hdd_ipa_priv *hdd_ipa, void *data) |
| { |
| uint16_t eth_type; |
| struct iphdr *ip_hdr = NULL; |
| |
| if (!hdd_ipa_is_pre_filter_enabled(hdd_ipa)) |
| return true; |
| ip_hdr = hdd_ipa_get_ip_pkt(data, ð_type); |
| |
| /* Check if the dest IP address is itself, then bypass IPA */ |
| if (eth_type == ETH_P_IP) { |
| if (ip_hdr->daddr != ((struct hdd_ipa_iface_context *)(adapter->ipa_context))->ifa_address) |
| return true; |
| else |
| return false; |
| } |
| |
| if (hdd_ipa_is_ipv6_enabled(hdd_ipa) && eth_type == ETH_P_IPV6) |
| return true; |
| |
| return false; |
| } |
| |
| #ifdef IPA_UC_OFFLOAD |
| /** |
| * hdd_ipa_uc_rt_debug_host_fill() - fill rt debug buffer |
| * @ctext: pointer to hdd context. |
| * |
| * If rt debug enabled, periodically called, and fill debug buffer |
| * |
| * Return: none |
| */ |
| static void hdd_ipa_uc_rt_debug_host_fill(void *ctext) |
| { |
| hdd_context_t *hdd_ctx = ctext; |
| struct hdd_ipa_priv *hdd_ipa; |
| struct uc_rt_debug_info *dump_info = NULL; |
| |
| if (wlan_hdd_validate_context(hdd_ctx)) |
| return; |
| |
| if (!hdd_ctx->hdd_ipa || |
| !hdd_ipa_uc_is_enabled((struct hdd_ipa_priv *)hdd_ctx->hdd_ipa)) { |
| HDD_IPA_LOG(VOS_TRACE_LEVEL_ERROR, |
| "%s: IPA UC is not enabled", __func__); |
| return; |
| } |
| |
| hdd_ipa = (struct hdd_ipa_priv *)hdd_ctx->hdd_ipa; |
| |
| vos_lock_acquire(&hdd_ipa->rt_debug_lock); |
| dump_info = &hdd_ipa->rt_bug_buffer[ |
| hdd_ipa->rt_buf_fill_index % HDD_IPA_UC_RT_DEBUG_BUF_COUNT]; |
| if (!dump_info) { |
| vos_lock_release(&hdd_ipa->rt_debug_lock); |
| HDD_IPA_LOG(VOS_TRACE_LEVEL_ERROR, |
| "%s: invalid dump pointer", __func__); |
| return; |
| } |
| |
| dump_info->time = vos_timer_get_system_time(); |
| dump_info->ipa_excp_count = hdd_ipa->stats.num_rx_excep; |
| dump_info->rx_drop_count = hdd_ipa->ipa_rx_internel_drop_count; |
| dump_info->net_sent_count = hdd_ipa->ipa_rx_net_send_count; |
| dump_info->tx_fwd_count = hdd_ipa->ipa_tx_forward; |
| dump_info->tx_fwd_ok_count = hdd_ipa->stats.num_tx_fwd_ok; |
| dump_info->rx_discard_count = hdd_ipa->ipa_rx_discard; |
| dump_info->rx_destructor_call = hdd_ipa->ipa_rx_destructor_count; |
| hdd_ipa->rt_buf_fill_index++; |
| vos_lock_release(&hdd_ipa->rt_debug_lock); |
| |
| vos_timer_start(&hdd_ipa->rt_debug_fill_timer, |
| HDD_IPA_UC_RT_DEBUG_FILL_INTERVAL); |
| } |
| |
| /** |
| * hdd_ipa_uc_rt_debug_host_dump() - dump rt debug buffer |
| * @pHddCtx: pointer to hdd context. |
| * |
| * If rt debug enabled, dump debug buffer contents based on requirement |
| * |
| * Return: none |
| */ |
| void hdd_ipa_uc_rt_debug_host_dump(hdd_context_t *hdd_ctx) |
| { |
| struct hdd_ipa_priv *hdd_ipa; |
| unsigned int dump_count; |
| unsigned int dump_index; |
| struct uc_rt_debug_info *dump_info = NULL; |
| |
| if (wlan_hdd_validate_context(hdd_ctx)) |
| return; |
| |
| hdd_ipa = hdd_ctx->hdd_ipa; |
| if (!hdd_ipa || |
| !hdd_ipa_uc_is_enabled((struct hdd_ipa_priv *)hdd_ctx->hdd_ipa)) { |
| HDD_IPA_LOG(VOS_TRACE_LEVEL_ERROR, |
| "%s: IPA UC is not enabled", __func__); |
| return; |
| } |
| |
| pr_err("========= WLAN-IPA DEBUG BUF DUMP ==========\n"); |
| pr_err(" TM : EXEP : DROP : NETS : FWOK : TXFD : DSTR : DSCD\n"); |
| |
| vos_lock_acquire(&hdd_ipa->rt_debug_lock); |
| for (dump_count = 0; |
| dump_count < HDD_IPA_UC_RT_DEBUG_BUF_COUNT; |
| dump_count++) { |
| dump_index = (hdd_ipa->rt_buf_fill_index + dump_count) % |
| HDD_IPA_UC_RT_DEBUG_BUF_COUNT; |
| dump_info = &hdd_ipa->rt_bug_buffer[dump_index]; |
| if ((dump_index > HDD_IPA_UC_RT_DEBUG_BUF_COUNT) || |
| (!dump_info)) { |
| vos_lock_release(&hdd_ipa->rt_debug_lock); |
| HDD_IPA_LOG(VOS_TRACE_LEVEL_ERROR, |
| "INVALID"); |
| return; |
| } |
| pr_err("%12lu:%10llu:%10llu:%10llu:%10llu:%10llu:%10llu:%10llu\n", |
| dump_info->time, dump_info->ipa_excp_count, |
| dump_info->rx_drop_count, dump_info->net_sent_count, |
| dump_info->tx_fwd_ok_count, dump_info->tx_fwd_count, |
| dump_info->rx_destructor_call, |
| dump_info->rx_discard_count); |
| } |
| vos_lock_release(&hdd_ipa->rt_debug_lock); |
| pr_err("======= WLAN-IPA DEBUG BUF DUMP END ========\n"); |
| } |
| |
| /** |
| * hdd_ipa_uc_rt_debug_handler() - periodic memory health monitor handler |
| * @ctext: pointer to hdd context. |
| * |
| * periodically called by timer expire |
| * will try to alloc dummy memory and detect out of memory condition |
| * if out of memory detected, dump wlan-ipa stats |
| * |
| * Return: none |
| */ |
| static void hdd_ipa_uc_rt_debug_handler(void *ctext) |
| { |
| hdd_context_t *hdd_ctx= ctext; |
| struct hdd_ipa_priv *hdd_ipa = hdd_ctx->hdd_ipa; |
| void *dummy_ptr; |
| |
| if (wlan_hdd_validate_context(hdd_ctx)) |
| return; |
| |
| if (!hdd_ipa_is_rt_debugging_enabled(hdd_ctx)) { |
| HDD_IPA_LOG(VOS_TRACE_LEVEL_INFO, |
| "%s: IPA RT debug is not enabled", __func__); |
| return; |
| } |
| |
| /* |
| * Allocate dummy buffer periodically and free immediately |
| * This will proactively detect OOM condition |
| * And if allocation fail, will dump WLAN IPA stats |
| */ |
| dummy_ptr = kmalloc(HDD_IPA_UC_DEBUG_DUMMY_MEM_SIZE, |
| GFP_KERNEL | GFP_ATOMIC); |
| if (!dummy_ptr) { |
| HDD_IPA_LOG(VOS_TRACE_LEVEL_FATAL, |
| "%s: Dummy alloc fail", __func__); |
| hdd_ipa_uc_rt_debug_host_dump(hdd_ctx); |
| hdd_ipa_uc_stat_request( |
| hdd_get_adapter(hdd_ctx, WLAN_HDD_SOFTAP), 1); |
| } else { |
| kfree(dummy_ptr); |
| } |
| |
| vos_timer_start(&hdd_ipa->rt_debug_timer, |
| HDD_IPA_UC_RT_DEBUG_PERIOD); |
| } |
| |
| /** |
| * hdd_ipa_uc_rt_debug_destructor() - called by data packet free |
| * @skb: packet pinter |
| * |
| * when free data packet, will be invoked by wlan client and will increase |
| * free counter |
| * |
| * Return: none |
| */ |
| void hdd_ipa_uc_rt_debug_destructor(struct sk_buff *skb) |
| { |
| if (!ghdd_ipa) { |
| HDD_IPA_LOG(VOS_TRACE_LEVEL_ERROR, |
| "%s: invalid hdd context", __func__); |
| return; |
| } |
| |
| ghdd_ipa->ipa_rx_destructor_count++; |
| } |
| |
| /** |
| * hdd_ipa_uc_rt_debug_deinit() - remove resources to handle rt debugging |
| * @pHddCtx: hdd main context |
| * |
| * free all rt debugging resources |
| * |
| * Return: none |
| */ |
| static void hdd_ipa_uc_rt_debug_deinit(hdd_context_t *pHddCtx) |
| { |
| struct hdd_ipa_priv *hdd_ipa = pHddCtx->hdd_ipa; |
| |
| if ( VOS_TIMER_STATE_STOPPED != |
| vos_timer_getCurrentState(&hdd_ipa->rt_debug_fill_timer)) { |
| vos_timer_stop(&hdd_ipa->rt_debug_fill_timer); |
| } |
| vos_timer_destroy(&hdd_ipa->rt_debug_fill_timer); |
| vos_lock_destroy(&hdd_ipa->rt_debug_lock); |
| |
| if (!hdd_ipa_is_rt_debugging_enabled(pHddCtx)) { |
| HDD_IPA_LOG(VOS_TRACE_LEVEL_INFO, |
| "%s: IPA RT debug is not enabled", __func__); |
| return; |
| } |
| |
| if ( VOS_TIMER_STATE_STOPPED != |
| vos_timer_getCurrentState(&hdd_ipa->rt_debug_timer)) { |
| vos_timer_stop(&hdd_ipa->rt_debug_timer); |
| } |
| vos_timer_destroy(&hdd_ipa->rt_debug_timer); |
| } |
| |
| /** |
| * hdd_ipa_uc_rt_debug_init() - intialize resources to handle rt debugging |
| * @pHddCtx: hdd main context |
| * |
| * alloc and initialize all rt debugging resources |
| * |
| * Return: none |
| */ |
| static void hdd_ipa_uc_rt_debug_init(hdd_context_t *hdd_ctx) |
| { |
| struct hdd_ipa_priv *hdd_ipa = hdd_ctx->hdd_ipa; |
| |
| /* Histogram intialize by default */ |
| vos_lock_init(&hdd_ipa->rt_debug_lock); |
| vos_timer_init(&hdd_ipa->rt_debug_fill_timer, VOS_TIMER_TYPE_SW, |
| hdd_ipa_uc_rt_debug_host_fill, (void *)hdd_ctx); |
| |
| hdd_ipa->rt_buf_fill_index = 0; |
| vos_mem_zero(hdd_ipa->rt_bug_buffer, |
| sizeof(struct uc_rt_debug_info) * HDD_IPA_UC_RT_DEBUG_BUF_COUNT); |
| hdd_ipa->ipa_tx_forward = 0; |
| hdd_ipa->ipa_rx_discard = 0; |
| hdd_ipa->ipa_rx_net_send_count = 0; |
| hdd_ipa->ipa_rx_internel_drop_count = 0; |
| hdd_ipa->ipa_rx_destructor_count = 0; |
| |
| vos_timer_start(&hdd_ipa->rt_debug_fill_timer, |
| HDD_IPA_UC_RT_DEBUG_FILL_INTERVAL); |
| |
| /* Realtime debug enable only when feature enabled */ |
| if (!hdd_ipa_is_rt_debugging_enabled(hdd_ctx)) { |
| HDD_IPA_LOG(VOS_TRACE_LEVEL_INFO, |
| "%s: IPA RT debug is not enabled", __func__); |
| return; |
| } |
| vos_timer_init(&hdd_ipa->rt_debug_timer, VOS_TIMER_TYPE_SW, |
| hdd_ipa_uc_rt_debug_handler, (void *)hdd_ctx); |
| |
| vos_timer_start(&hdd_ipa->rt_debug_timer, |
| HDD_IPA_UC_RT_DEBUG_PERIOD); |
| } |
| |
| /** |
| * hdd_ipa_dump_hdd_ipa() - dump entries in HDD IPA struct |
| * @hdd_ipa: HDD IPA struct |
| * |
| * Dump entries in struct hdd_ipa |
| * |
| * Return: none |
| */ |
| void hdd_ipa_dump_hdd_ipa(struct hdd_ipa_priv *hdd_ipa) |
| { |
| int i; |
| |
| /* HDD IPA */ |
| VOS_TRACE(VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_ERROR, |
| "==== HDD IPA ====\n" |
| "num_iface: %d\n" |
| "rm_state: %d\n" |
| "rm_lock: %pK\n" |
| "rm_work: %pK\n" |
| "uc_rm_work: %pK\n" |
| "uc_op_work: %pK\n" |
| "wake_lock: %pK\n" |
| "wake_lock_work: %pK\n" |
| "wake_lock_released: %d\n" |
| "prod_client: %d\n" |
| "tx_ref_cnt: %d\n" |
| "pm_queue_head----\n" |
| "\thead: %pK\n" |
| "\ttail: %pK\n" |
| "\tqlen: %d\n" |
| "pm_work: %pK\n" |
| "pm_lock: %pK\n" |
| "suspended: %d\n", |
| hdd_ipa->num_iface, |
| hdd_ipa->rm_state, |
| &hdd_ipa->rm_lock, |
| &hdd_ipa->rm_work, |
| &hdd_ipa->uc_rm_work, |
| &hdd_ipa->uc_op_work, |
| &hdd_ipa->wake_lock, |
| &hdd_ipa->wake_lock_work, |
| hdd_ipa->wake_lock_released, |
| hdd_ipa->prod_client, |
| hdd_ipa->tx_ref_cnt.counter, |
| hdd_ipa->pm_queue_head.head, |
| hdd_ipa->pm_queue_head.tail, |
| hdd_ipa->pm_queue_head.qlen, |
| &hdd_ipa->pm_work, |
| &hdd_ipa->pm_lock, |
| hdd_ipa->suspended); |
| pr_err( |
| "pending_hw_desc_cnt: %d\n" |
| "hw_desc_cnt: %d\n" |
| "q_lock: %pK\n" |
| "freeq_cnt: %d\n" |
| "free_desc_head----\n" |
| "\tnext: %pK\n" |
| "\tprev: %pK\n" |
| "pend_q_cnt: %d\n" |
| "pend_desc_head----\n" |
| "\tnext: %pK\n" |
| "\tprev: %pK\n" |
| "hdd_ctx: %pK\n" |
| "debugfs_dir: %pK\n" |
| "stats: %pK\n" |
| "ipv4_notifier: %pK\n" |
| "curr_prod_bw: %d\n" |
| "curr_cons_bw: %d\n" |
| "activated_fw_pipe: %d\n" |
| "sap_num_connected_sta: %d\n" |
| #ifdef IPA_UC_STA_OFFLOAD |
| "sta_connected: %d\n" |
| #endif |
| , hdd_ipa->pending_hw_desc_cnt, |
| hdd_ipa->hw_desc_cnt, |
| &hdd_ipa->q_lock, |
| hdd_ipa->freeq_cnt, |
| hdd_ipa->free_desc_head.next, |
| hdd_ipa->free_desc_head.prev, |
| hdd_ipa->pend_q_cnt, |
| hdd_ipa->pend_desc_head.next, |
| hdd_ipa->pend_desc_head.prev, |
| hdd_ipa->hdd_ctx, |
| hdd_ipa->debugfs_dir, |
| &hdd_ipa->stats, |
| &hdd_ipa->ipv4_notifier, |
| hdd_ipa->curr_prod_bw, |
| hdd_ipa->curr_cons_bw, |
| hdd_ipa->activated_fw_pipe, |
| hdd_ipa->sap_num_connected_sta |
| #ifdef IPA_UC_STA_OFFLOAD |
| , (unsigned int)hdd_ipa->sta_connected |
| #endif |
| ); |
| pr_err( |
| "tx_pipe_handle: 0x%x\n" |
| "rx_pipe_handle: 0x%x\n" |
| "resource_loading: %d\n" |
| "resource_unloading: %d\n" |
| "pending_cons_req: %d\n" |
| "pending_event----\n" |
| "\tanchor.next: %pK\n" |
| "\tanchor.prev: %pK\n" |
| "\tcount: %d\n" |
| "\tlock: %pK\n" |
| "\tcookie: 0x%x\n" |
| "event_lock: %pK\n" |
| "ipa_tx_packets_diff: %d\n" |
| "ipa_rx_packets_diff: %d\n" |
| "ipa_p_tx_packets: %d\n" |
| "ipa_p_rx_packets: %d\n" |
| "stat_req_reason: %d\n", |
| hdd_ipa->tx_pipe_handle, |
| hdd_ipa->rx_pipe_handle, |
| hdd_ipa->resource_loading, |
| hdd_ipa->resource_unloading, |
| hdd_ipa->pending_cons_req, |
| hdd_ipa->pending_event.anchor.next, |
| hdd_ipa->pending_event.anchor.prev, |
| hdd_ipa->pending_event.count, |
| &hdd_ipa->pending_event.lock, |
| hdd_ipa->pending_event.cookie, |
| &hdd_ipa->event_lock, |
| hdd_ipa->ipa_tx_packets_diff, |
| hdd_ipa->ipa_rx_packets_diff, |
| hdd_ipa->ipa_p_tx_packets, |
| hdd_ipa->ipa_p_rx_packets, |
| hdd_ipa->stat_req_reason); |
| pr_err( |
| "cons_pipe_in----\n" |
| "\tsys: %pK\n" |
| "\tdl.comp_ring_base_pa: 0x%x\n" |
| "\tdl.comp_ring_size: %d\n" |
| "\tdl.ce_ring_base_pa: 0x%x\n" |
| "\tdl.ce_door_bell_pa: 0x%x\n" |
| "\tdl.ce_ring_size: %d\n" |
| "\tdl.num_tx_buffers: %d\n" |
| "prod_pipe_in----\n" |
| "\tsys: %pK\n" |
| "\tul.rdy_ring_base_pa: 0x%x\n" |
| "\tul.rdy_ring_size: %d\n" |
| "\tul.rdy_ring_rp_pa: 0x%x\n" |
| "uc_loaded: %d\n" |
| "wdi_enabled: %d\n", |
| &hdd_ipa->cons_pipe_in.sys, |
| (unsigned int)hdd_ipa->cons_pipe_in.u.dl.comp_ring_base_pa, |
| hdd_ipa->cons_pipe_in.u.dl.comp_ring_size, |
| (unsigned int)hdd_ipa->cons_pipe_in.u.dl.ce_ring_base_pa, |
| (unsigned int)hdd_ipa->cons_pipe_in.u.dl.ce_door_bell_pa, |
| hdd_ipa->cons_pipe_in.u.dl.ce_ring_size, |
| hdd_ipa->cons_pipe_in.u.dl.num_tx_buffers, |
| &hdd_ipa->prod_pipe_in.sys, |
| (unsigned int)hdd_ipa->prod_pipe_in.u.ul.rdy_ring_base_pa, |
| hdd_ipa->prod_pipe_in.u.ul.rdy_ring_size, |
| (unsigned int)hdd_ipa->prod_pipe_in.u.ul.rdy_ring_rp_pa, |
| hdd_ipa->uc_loaded, |
| hdd_ipa->wdi_enabled); |
| |
| pr_err("assoc_stas_map([id]is_reserved/sta_id): "); |
| for (i = 0; i < WLAN_MAX_STA_COUNT; i++) { |
| pr_err( |
| " [%d]%d/%d", |
| i, |
| hdd_ipa->assoc_stas_map[i].is_reserved, |
| hdd_ipa->assoc_stas_map[i].sta_id); |
| } |
| } |
| |
| /** |
| * hdd_ipa_dump_sys_pipe() - dump HDD IPA SYS Pipe struct |
| * @hdd_ipa: HDD IPA struct |
| * |
| * Dump entire struct hdd_ipa_sys_pipe |
| * |
| * Return: none |
| */ |
| void hdd_ipa_dump_sys_pipe(struct hdd_ipa_priv *hdd_ipa) |
| { |
| int i; |
| |
| /* IPA SYS Pipes */ |
| VOS_TRACE(VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_ERROR, |
| "\n==== IPA SYS Pipes ====\n"); |
| |
| for (i = 0; i < HDD_IPA_MAX_SYSBAM_PIPE; i++) { |
| struct hdd_ipa_sys_pipe *sys_pipe; |
| struct ipa_sys_connect_params *ipa_sys_params; |
| |
| sys_pipe = &hdd_ipa->sys_pipe[i]; |
| ipa_sys_params = &sys_pipe->ipa_sys_params; |
| |
| pr_err( |
| "sys_pipe[%d]----\n" |
| "\tconn_hdl: 0x%x\n" |
| "\tconn_hdl_valid: %d\n" |
| "\tnat_en: %d\n" |
| "\thdr_len %d\n" |
| "\thdr_additional_const_len: %d\n" |
| "\thdr_ofst_pkt_size_valid: %d\n" |
| "\thdr_ofst_pkt_size: %d\n" |
| "\thdr_little_endian: %d\n" |
| "\tmode: %d\n" |
| "\tclient: %d\n" |
| "\tdesc_fifo_sz: %d\n" |
| "\tpriv: %pK\n" |
| "\tnotify: %pK\n" |
| "\tskip_ep_cfg: %d\n" |
| "\tkeep_ipa_awake: %d\n", |
| i, |
| sys_pipe->conn_hdl, |
| sys_pipe->conn_hdl_valid, |
| ipa_sys_params->ipa_ep_cfg.nat.nat_en, |
| ipa_sys_params->ipa_ep_cfg.hdr.hdr_len, |
| ipa_sys_params->ipa_ep_cfg.hdr.hdr_additional_const_len, |
| ipa_sys_params->ipa_ep_cfg.hdr.hdr_ofst_pkt_size_valid, |
| ipa_sys_params->ipa_ep_cfg.hdr.hdr_ofst_pkt_size, |
| ipa_sys_params->ipa_ep_cfg.hdr_ext.hdr_little_endian, |
| ipa_sys_params->ipa_ep_cfg.mode.mode, |
| ipa_sys_params->client, |
| ipa_sys_params->desc_fifo_sz, |
| ipa_sys_params->priv, |
| ipa_sys_params->notify, |
| ipa_sys_params->skip_ep_cfg, |
| ipa_sys_params->keep_ipa_awake); |
| } |
| } |
| |
| /** |
| * hdd_ipa_dump_iface_context() - dump HDD IPA Interface Context struct |
| * @hdd_ipa: HDD IPA struct |
| * |
| * Dump entire struct hdd_ipa_iface_context |
| * |
| * Return: none |
| */ |
| void hdd_ipa_dump_iface_context(struct hdd_ipa_priv *hdd_ipa) |
| { |
| int i; |
| |
| /* IPA Interface Contexts */ |
| VOS_TRACE(VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_ERROR, |
| "\n==== IPA Interface Contexts ====\n"); |
| |
| for (i = 0; i < HDD_IPA_MAX_IFACE; i++) { |
| struct hdd_ipa_iface_context *iface_context; |
| |
| iface_context = &hdd_ipa->iface_context[i]; |
| |
| pr_err( |
| "iface_context[%d]----\n" |
| "\thdd_ipa: %pK\n" |
| "\tadapter: %pK\n" |
| "\ttl_context: %pK\n" |
| "\tcons_client: %d\n" |
| "\tprod_client: %d\n" |
| "\tiface_id: %d\n" |
| "\tsta_id: %d\n" |
| "\tinterface_lock: %pK\n" |
| "\tifa_address: 0x%x\n", |
| i, |
| iface_context->hdd_ipa, |
| iface_context->adapter, |
| iface_context->tl_context, |
| iface_context->cons_client, |
| iface_context->prod_client, |
| iface_context->iface_id, |
| iface_context->sta_id, |
| &iface_context->interface_lock, |
| iface_context->ifa_address); |
| } |
| } |
| |
| /** |
| * hdd_ipa_dump_info() - dump HDD IPA struct |
| * @pHddCtx: hdd main context |
| * |
| * Dump entire struct hdd_ipa |
| * |
| * Return: none |
| */ |
| void hdd_ipa_dump_info(hdd_context_t *hdd_ctx) |
| { |
| struct hdd_ipa_priv *hdd_ipa; |
| |
| if (wlan_hdd_validate_context(hdd_ctx)) |
| return; |
| |
| hdd_ipa = (struct hdd_ipa_priv *)hdd_ctx->hdd_ipa; |
| if (!hdd_ipa_is_enabled(hdd_ctx) || |
| !hdd_ipa_uc_is_enabled(hdd_ipa)) { |
| HDD_IPA_LOG(VOS_TRACE_LEVEL_ERROR, |
| "IPA/IPA UC is not enabled, IpaConfig %u,IpaUcOffloadEnabled %u.", |
| hdd_ctx->cfg_ini->IpaConfig, |
| hdd_ctx->cfg_ini->IpaUcOffloadEnabled); |
| return; |
| } |
| |
| hdd_ipa_dump_hdd_ipa(hdd_ipa); |
| hdd_ipa_dump_sys_pipe(hdd_ipa); |
| hdd_ipa_dump_iface_context(hdd_ipa); |
| } |
| |
| void hdd_ipa_uc_stat_query(hdd_context_t *pHddCtx, |
| uint32_t *ipa_tx_diff, uint32_t *ipa_rx_diff) |
| { |
| struct hdd_ipa_priv *hdd_ipa; |
| |
| hdd_ipa = (struct hdd_ipa_priv *)pHddCtx->hdd_ipa; |
| *ipa_tx_diff = 0; |
| *ipa_rx_diff = 0; |
| |
| if (!hdd_ipa_is_enabled(pHddCtx) || |
| !(hdd_ipa_uc_is_enabled(hdd_ipa))) { |
| return; |
| } |
| |
| vos_lock_acquire(&hdd_ipa->ipa_lock); |
| if ((HDD_IPA_UC_NUM_WDI_PIPE == hdd_ipa->activated_fw_pipe) && |
| (VOS_FALSE == hdd_ipa->resource_loading)) { |
| *ipa_tx_diff = hdd_ipa->ipa_tx_packets_diff; |
| *ipa_rx_diff = hdd_ipa->ipa_rx_packets_diff; |
| HDD_IPA_LOG(VOS_TRACE_LEVEL_DEBUG, |
| "%s: STAT Query TX DIFF %d, RX DIFF %d", |
| __func__, *ipa_tx_diff, *ipa_rx_diff); |
| } |
| vos_lock_release(&hdd_ipa->ipa_lock); |
| return; |
| } |
| |
| void hdd_ipa_uc_stat_request( hdd_adapter_t *adapter, uint8_t reason) |
| { |
| hdd_context_t *pHddCtx; |
| struct hdd_ipa_priv *hdd_ipa; |
| |
| if (!adapter) { |
| return; |
| } |
| |
| pHddCtx = (hdd_context_t *)adapter->pHddCtx; |
| hdd_ipa = (struct hdd_ipa_priv *)pHddCtx->hdd_ipa; |
| if (!hdd_ipa_is_enabled(pHddCtx) || |
| !(hdd_ipa_uc_is_enabled(hdd_ipa))) { |
| return; |
| } |
| |
| HDD_IPA_LOG(VOS_TRACE_LEVEL_DEBUG, |
| "%s: STAT REQ Reason %d", |
| __func__, reason); |
| vos_lock_acquire(&hdd_ipa->ipa_lock); |
| if ((HDD_IPA_UC_NUM_WDI_PIPE == hdd_ipa->activated_fw_pipe) && |
| (VOS_FALSE == hdd_ipa->resource_loading)) { |
| hdd_ipa->stat_req_reason = (hdd_ipa_uc_stat_reason)reason; |
| process_wma_set_command( |
| (int)adapter->sessionId, |
| (int)WMA_VDEV_TXRX_GET_IPA_UC_FW_STATS_CMDID, |
| 0, VDEV_CMD); |
| } |
| vos_lock_release(&hdd_ipa->ipa_lock); |
| } |
| |
| static v_BOOL_t hdd_ipa_uc_find_add_assoc_sta( |
| struct hdd_ipa_priv *hdd_ipa, |
| v_BOOL_t sta_add, |
| uint8_t sta_id) |
| { |
| /* Found associated sta */ |
| v_BOOL_t sta_found = VOS_FALSE; |
| uint8_t idx; |
| |
| for (idx = 0; idx < WLAN_MAX_STA_COUNT; idx++) { |
| if ((hdd_ipa->assoc_stas_map[idx].is_reserved) && |
| (hdd_ipa->assoc_stas_map[idx].sta_id == sta_id)) { |
| sta_found = VOS_TRUE; |
| break; |
| } |
| } |
| |
| /* Try to add sta which is already in |
| * If the sta is already in, just return sta_found */ |
| if (sta_add && sta_found) { |
| HDD_IPA_LOG(VOS_TRACE_LEVEL_ERROR, |
| "%s: STA ID %d already exist, cannot add", |
| __func__, sta_id); |
| return sta_found; |
| } |
| |
| if (sta_add) { |
| /* Find first empty slot */ |
| for (idx = 0; idx < WLAN_MAX_STA_COUNT; idx++) { |
| if (!hdd_ipa->assoc_stas_map[idx].is_reserved) { |
| hdd_ipa->assoc_stas_map[idx].is_reserved = |
| VOS_TRUE; |
| hdd_ipa->assoc_stas_map[idx].sta_id = sta_id; |
| return sta_found; |
| } |
| } |
| } |
| |
| /* Delete STA from map, but could not find STA within the map |
| * Error case, add error log */ |
| if (!sta_add && !sta_found) { |
| HDD_IPA_LOG(VOS_TRACE_LEVEL_ERROR, |
| "%s: STA ID %d does not exist, cannot delete", |
| __func__, sta_id); |
| return sta_found; |
| } |
| |
| if (!sta_add) { |
| for (idx = 0; idx < WLAN_MAX_STA_COUNT; idx++) { |
| if ((hdd_ipa->assoc_stas_map[idx].is_reserved) && |
| (hdd_ipa->assoc_stas_map[idx].sta_id == sta_id)) { |
| hdd_ipa->assoc_stas_map[idx].is_reserved = |
| VOS_FALSE; |
| hdd_ipa->assoc_stas_map[idx].sta_id = 0xFF; |
| return sta_found; |
| } |
| } |
| } |
| |
| return sta_found; |
| } |
| |
| static int hdd_ipa_uc_enable_pipes(struct hdd_ipa_priv *hdd_ipa) |
| { |
| int result; |
| |
| /* ACTIVATE TX PIPE */ |
| HDD_IPA_LOG(VOS_TRACE_LEVEL_INFO, |
| "%s: Enable TX PIPE(tx_pipe_handle=%d)", |
| __func__, hdd_ipa->tx_pipe_handle); |
| result = ipa_enable_wdi_pipe(hdd_ipa->tx_pipe_handle); |
| if (result) { |
| HDD_IPA_LOG(VOS_TRACE_LEVEL_ERROR, |
| "%s: Enable TX PIPE fail, code %d", |
| __func__, result); |
| return result; |
| } |
| result = ipa_resume_wdi_pipe(hdd_ipa->tx_pipe_handle); |
| if (result) { |
| HDD_IPA_LOG(VOS_TRACE_LEVEL_ERROR, |
| "%s: Resume TX PIPE fail, code %d", |
| __func__, result); |
| return result; |
| } |
| WLANTL_SetUcActive(hdd_ipa->hdd_ctx->pvosContext, |
| VOS_TRUE, VOS_TRUE); |
| |
| /* ACTIVATE RX PIPE */ |
| HDD_IPA_LOG(VOS_TRACE_LEVEL_INFO, |
| "%s: Enable RX PIPE(rx_pipe_handle=%d)" |
| , __func__, hdd_ipa->rx_pipe_handle); |
| result = ipa_enable_wdi_pipe(hdd_ipa->rx_pipe_handle); |
| if (result) { |
| HDD_IPA_LOG(VOS_TRACE_LEVEL_ERROR, |
| "%s: Enable RX PIPE fail, code %d", |
| __func__, result); |
| return result; |
| } |
| result = ipa_resume_wdi_pipe(hdd_ipa->rx_pipe_handle); |
| if (result) { |
| HDD_IPA_LOG(VOS_TRACE_LEVEL_ERROR, |
| "%s: Resume RX PIPE fail, code %d", |
| __func__, result); |
| return result; |
| } |
| WLANTL_SetUcActive(hdd_ipa->hdd_ctx->pvosContext, |
| VOS_TRUE, VOS_FALSE); |
| |
| hdd_ipa->ipa_pipes_down = false; |
| return 0; |
| } |
| |
| static int hdd_ipa_uc_disable_pipes(struct hdd_ipa_priv *hdd_ipa) |
| { |
| int result; |
| |
| hdd_ipa->ipa_pipes_down = true; |
| HDD_IPA_LOG(VOS_TRACE_LEVEL_INFO, |
| "%s: Disable RX PIPE", __func__); |
| result = ipa_suspend_wdi_pipe(hdd_ipa->rx_pipe_handle); |
| if (result) { |
| HDD_IPA_LOG(VOS_TRACE_LEVEL_ERROR, |
| "%s: Suspend RX PIPE fail, code %d", |
| __func__, result); |
| return result; |
| } |
| result = ipa_disable_wdi_pipe(hdd_ipa->rx_pipe_handle); |
| if (result) { |
| HDD_IPA_LOG(VOS_TRACE_LEVEL_ERROR, |
| "%s: Disable RX PIPE fail, code %d", |
| __func__, result); |
| return result; |
| } |
| |
| HDD_IPA_LOG(VOS_TRACE_LEVEL_INFO, |
| "%s: Disable TX PIPE", __func__); |
| result = ipa_suspend_wdi_pipe(hdd_ipa->tx_pipe_handle); |
| if (result) { |
| HDD_IPA_LOG(VOS_TRACE_LEVEL_ERROR, |
| "%s: Suspend TX PIPE fail, code %d", |
| __func__, result); |
| return result; |
| } |
| result = ipa_disable_wdi_pipe(hdd_ipa->tx_pipe_handle); |
| if (result) { |
| HDD_IPA_LOG(VOS_TRACE_LEVEL_ERROR, |
| "%s: Disable TX PIPE fail, code %d", |
| __func__, result); |
| return result; |
| } |
| |
| return 0; |
| } |
| |
| static int hdd_ipa_uc_handle_first_con(struct hdd_ipa_priv *hdd_ipa) |
| { |
| hdd_ipa->activated_fw_pipe = 0; |
| hdd_ipa->resource_loading = VOS_TRUE; |
| |
| HDD_IPA_LOG(VOS_TRACE_LEVEL_INFO, "+%s", __func__); |
| |
| /* If RM feature enabled |
| * Request PROD Resource first |
| * PROD resource may return sync or async manners */ |
| if (hdd_ipa_is_rm_enabled(hdd_ipa)) { |
| if (!ipa_rm_request_resource(IPA_RM_RESOURCE_WLAN_PROD)) { |
| /* RM PROD request sync return |
| * enable pipe immediately */ |
| if (hdd_ipa_uc_enable_pipes(hdd_ipa)) { |
| HDD_IPA_LOG(VOS_TRACE_LEVEL_ERROR, |
| "%s: IPA WDI Pipes activate fail", __func__); |
| hdd_ipa->resource_loading = VOS_FALSE; |
| return -EBUSY; |
| } |
| } |
| } else { |
| /* RM Disabled |
| * Just enabled all the PIPEs */ |
| if (hdd_ipa_uc_enable_pipes(hdd_ipa)) { |
| HDD_IPA_LOG(VOS_TRACE_LEVEL_ERROR, |
| "%s: IPA WDI Pipes activate fail", __func__); |
| hdd_ipa->resource_loading = VOS_FALSE; |
| return -EBUSY; |
| } |
| } |
| return 0; |
| } |
| |
| static int hdd_ipa_uc_handle_last_discon(struct hdd_ipa_priv *hdd_ipa) |
| { |
| HDD_IPA_LOG(VOS_TRACE_LEVEL_INFO, "+%s", __func__); |
| |
| hdd_ipa->resource_unloading = VOS_TRUE; |
| HDD_IPA_LOG(VOS_TRACE_LEVEL_INFO, |
| "%s: Disable FW RX PIPE", __func__); |
| WLANTL_SetUcActive(hdd_ipa->hdd_ctx->pvosContext, |
| VOS_FALSE, VOS_FALSE); |
| HDD_IPA_LOG(VOS_TRACE_LEVEL_INFO, |
| "%s: Disable FW TX PIPE", __func__); |
| WLANTL_SetUcActive(hdd_ipa->hdd_ctx->pvosContext, |
| VOS_FALSE, VOS_TRUE); |
| return 0; |
| } |
| |
| static void hdd_ipa_uc_rm_notify_handler(void *context, enum ipa_rm_event event) |
| { |
| struct hdd_ipa_priv *hdd_ipa = context; |
| VOS_STATUS status = VOS_STATUS_SUCCESS; |
| |
| /* |
| * When SSR is going on or driver is unloading, just return. |
| */ |
| status = wlan_hdd_validate_context(hdd_ipa->hdd_ctx); |
| if (0 != status) |
| return; |
| |
| if (!hdd_ipa_is_rm_enabled(hdd_ipa)) |
| return; |
| |
| HDD_IPA_LOG(VOS_TRACE_LEVEL_INFO, "%s, event code %d", |
| __func__, event); |
| |
| switch (event) { |
| case IPA_RM_RESOURCE_GRANTED: |
| /* Differed RM Granted */ |
| vos_lock_acquire(&hdd_ipa->ipa_lock); |
| if ((VOS_FALSE == hdd_ipa->resource_unloading) && |
| (!hdd_ipa->activated_fw_pipe)) { |
| hdd_ipa_uc_enable_pipes(hdd_ipa); |
| } |
| vos_lock_release(&hdd_ipa->ipa_lock); |
| break; |
| |
| case IPA_RM_RESOURCE_RELEASED: |
| /* Differed RM Released */ |
| hdd_ipa->resource_unloading = VOS_FALSE; |
| break; |
| |
| default: |
| HDD_IPA_LOG(VOS_TRACE_LEVEL_ERROR, |
| "%s, invalid event code %d", |
| __func__, event); |
| break; |
| } |
| } |
| |
| static void hdd_ipa_uc_rm_notify_defer(struct work_struct *work) |
| { |
| enum ipa_rm_event event; |
| struct uc_rm_work_struct *uc_rm_work = container_of(work, |
| struct uc_rm_work_struct, work); |
| struct hdd_ipa_priv *hdd_ipa = container_of(uc_rm_work, |
| struct hdd_ipa_priv, uc_rm_work); |
| |
| vos_ssr_protect(__func__); |
| event = uc_rm_work->event; |
| HDD_IPA_LOG(VOS_TRACE_LEVEL_INFO_HIGH, |
| "%s, posted event %d", __func__, event); |
| |
| hdd_ipa_uc_rm_notify_handler(hdd_ipa, event); |
| vos_ssr_unprotect(__func__); |
| |
| return; |
| } |
| |
| static int hdd_ipa_uc_proc_pending_event(struct hdd_ipa_priv *hdd_ipa) |
| { |
| v_SIZE_t pending_event_count; |
| struct ipa_uc_pending_event *pending_event = NULL; |
| |
| vos_list_size(&hdd_ipa->pending_event, &pending_event_count); |
| HDD_IPA_LOG(VOS_TRACE_LEVEL_INFO, |
| "%s, Pending Event Count %d", __func__, pending_event_count); |
| if (!pending_event_count) { |
| HDD_IPA_LOG(VOS_TRACE_LEVEL_INFO, |
| "%s, No Pending Event", __func__); |
| return 0; |
| } |
| |
| vos_list_remove_front(&hdd_ipa->pending_event, |
| (vos_list_node_t **)&pending_event); |
| while (pending_event != NULL) { |
| hdd_ipa_wlan_evt(pending_event->adapter, |
| pending_event->type, |
| pending_event->sta_id, |
| pending_event->mac_addr); |
| vos_mem_free(pending_event); |
| pending_event = NULL; |
| vos_list_remove_front(&hdd_ipa->pending_event, |
| (vos_list_node_t **)&pending_event); |
| } |
| return 0; |
| } |
| |
| static void hdd_ipa_uc_loaded_handler(struct hdd_ipa_priv *ipa_ctxt) |
| { |
| hdd_context_t *hdd_ctx = ipa_ctxt->hdd_ctx; |
| struct ipa_wdi_out_params pipe_out; |
| |
| HDD_IPA_LOG(VOS_TRACE_LEVEL_ERROR, |
| "%s : UC READY", __func__); |
| if (VOS_TRUE == ipa_ctxt->uc_loaded) { |
| HDD_IPA_LOG(VOS_TRACE_LEVEL_INFO_HIGH, |
| "%s : UC already loaded", __func__); |
| return; |
| } |
| |
| ipa_ctxt->uc_loaded = VOS_TRUE; |
| /* Connect pipe */ |
| ipa_connect_wdi_pipe(&ipa_ctxt->cons_pipe_in, &pipe_out); |
| ipa_ctxt->tx_pipe_handle = pipe_out.clnt_hdl; |
| hdd_ctx->tx_comp_doorbell_paddr = (v_U32_t)pipe_out.uc_door_bell_pa; |
| HDD_IPA_LOG(VOS_TRACE_LEVEL_ERROR, |
| "%s : TX PIPE Handle %d, DBPA 0x%x", |
| __func__, ipa_ctxt->tx_pipe_handle, (v_U32_t)pipe_out.uc_door_bell_pa); |
| |
| ipa_connect_wdi_pipe(&ipa_ctxt->prod_pipe_in, &pipe_out); |
| ipa_ctxt->rx_pipe_handle = pipe_out.clnt_hdl; |
| hdd_ctx->rx_ready_doorbell_paddr = pipe_out.uc_door_bell_pa; |
| HDD_IPA_LOG(VOS_TRACE_LEVEL_ERROR, |
| "%s : RX PIPE Handle %d, DBPA 0x%x", |
| __func__, ipa_ctxt->rx_pipe_handle, (v_U32_t)pipe_out.uc_door_bell_pa); |
| |
| /* If already any STA connected, enable IPA/FW PIPEs */ |
| if (ipa_ctxt->sap_num_connected_sta) { |
| HDD_IPA_LOG(VOS_TRACE_LEVEL_INFO, |
| "Client already connected, enable IPA/FW PIPEs"); |
| hdd_ipa_uc_handle_first_con(ipa_ctxt); |
| } |
| } |
| void hdd_ipa_uc_loaded_uc_cb(void *priv_ctxt) |
| { |
| struct hdd_ipa_priv *hdd_ipa; |
| struct op_msg_type *msg; |
| struct uc_op_work_struct *uc_op_work; |
| |
| if (NULL == priv_ctxt) { |
| HDD_IPA_LOG(VOS_TRACE_LEVEL_ERROR, "Invalid IPA context"); |
| return; |
| } |
| |
| hdd_ipa = (struct hdd_ipa_priv *)priv_ctxt; |
| msg = (struct op_msg_type *)adf_os_mem_alloc(NULL, |
| sizeof(struct op_msg_type)); |
| if (!msg) { |
| HDD_IPA_LOG(VOS_TRACE_LEVEL_ERROR, "op_msg allocation fails"); |
| return; |
| } |
| |
| msg->op_code = HDD_IPA_UC_OPCODE_UC_READY; |
| |
| uc_op_work = &hdd_ipa->uc_op_work[msg->op_code]; |
| if (uc_op_work->msg) |
| /* When the same uC OPCODE is already pended, just return */ |
| return; |
| |
| uc_op_work->msg = msg; |
| schedule_work(&uc_op_work->work); |
| return; |
| } |
| |
| static void hdd_ipa_uc_op_cb(struct op_msg_type *op_msg, void *usr_ctxt) |
| { |
| struct op_msg_type *msg = op_msg; |
| struct ipa_uc_fw_stats *uc_fw_stat; |
| struct IpaHwStatsWDIInfoData_t ipa_stat; |
| struct hdd_ipa_priv *hdd_ipa; |
| hdd_context_t *hdd_ctx; |
| VOS_STATUS status = VOS_STATUS_SUCCESS; |
| struct ipa_msg_meta meta; |
| struct ipa_wlan_msg *ipa_msg; |
| int ret = 0; |
| |
| if (!op_msg || !usr_ctxt) { |
| HDD_IPA_LOG(VOS_TRACE_LEVEL_ERROR, |
| "%s, INVALID ARG", __func__); |
| return; |
| } |
| |
| if (HDD_IPA_UC_OPCODE_MAX <= msg->op_code) { |
| HDD_IPA_LOG(VOS_TRACE_LEVEL_ERROR, |
| "%s, INVALID OPCODE %d", __func__, msg->op_code); |
| adf_os_mem_free(op_msg); |
| return; |
| } |
| |
| hdd_ctx = (hdd_context_t *)usr_ctxt; |
| hdd_ipa = (struct hdd_ipa_priv *)hdd_ctx->hdd_ipa; |
| |
| /* |
| * When SSR is going on or driver is unloading, just return. |
| */ |
| status = wlan_hdd_validate_context(hdd_ctx); |
| if (0 != status) { |
| adf_os_mem_free(op_msg); |
| return; |
| } |
| |
| HDD_IPA_DP_LOG(VOS_TRACE_LEVEL_DEBUG, |
| "%s, OPCODE %s", __func__, op_string[msg->op_code]); |
| |
| if ((HDD_IPA_UC_OPCODE_TX_RESUME == msg->op_code) || |
| (HDD_IPA_UC_OPCODE_RX_RESUME == msg->op_code)) { |
| vos_lock_acquire(&hdd_ipa->ipa_lock); |
| hdd_ipa->activated_fw_pipe++; |
| if (HDD_IPA_UC_NUM_WDI_PIPE == hdd_ipa->activated_fw_pipe) { |
| hdd_ipa->resource_loading = VOS_FALSE; |
| if (VOS_FALSE == hdd_ipa->wdi_enabled) { |
| hdd_ipa->wdi_enabled = VOS_TRUE; |
| /* WDI enable message to IPA */ |
| meta.msg_len = sizeof(*ipa_msg); |
| ipa_msg = adf_os_mem_alloc(NULL, meta.msg_len); |
| if (ipa_msg == NULL) { |
| hddLog(VOS_TRACE_LEVEL_ERROR, |
| "msg allocation failed"); |
| adf_os_mem_free(op_msg); |
| vos_lock_release(&hdd_ipa->ipa_lock); |
| return; |
| } |
| |
| meta.msg_type = WLAN_WDI_ENABLE; |
| hddLog(VOS_TRACE_LEVEL_INFO, |
| "ipa_send_msg(Evt:%d)", meta.msg_type); |
| ret = ipa_send_msg(&meta, ipa_msg, |
| hdd_ipa_msg_free_fn); |
| if (ret) { |
| hddLog(VOS_TRACE_LEVEL_ERROR, |
| "ipa_send_msg(Evt:%d)-fail=%d", |
| meta.msg_type, ret); |
| adf_os_mem_free(ipa_msg); |
| } |
| #ifdef IPA_UC_STA_OFFLOAD |
| else { |
| /* Send SCC/MCC Switching event to IPA */ |
| hdd_ipa_send_mcc_scc_msg(hdd_ctx, |
| hdd_ctx->mcc_mode); |
| } |
| #endif |
| } |
| |
| hdd_ipa_uc_proc_pending_event(hdd_ipa); |
| |
| if (hdd_ipa->pending_cons_req) |
| ipa_rm_notify_completion( |
| IPA_RM_RESOURCE_GRANTED, |
| IPA_RM_RESOURCE_WLAN_CONS); |
| hdd_ipa->pending_cons_req = VOS_FALSE; |
| } |
| vos_lock_release(&hdd_ipa->ipa_lock); |
| } else if ((HDD_IPA_UC_OPCODE_TX_SUSPEND == msg->op_code) || |
| (HDD_IPA_UC_OPCODE_RX_SUSPEND == msg->op_code)) { |
| vos_lock_acquire(&hdd_ipa->ipa_lock); |
| hdd_ipa->activated_fw_pipe--; |
| if (!hdd_ipa->activated_fw_pipe) { |
| hdd_ipa_uc_disable_pipes(hdd_ipa); |
| if (hdd_ipa_is_rm_enabled(hdd_ipa)) |
| ipa_rm_release_resource( |
| IPA_RM_RESOURCE_WLAN_PROD); |
| /* Sync return success from IPA |
| * Enable/resume all the PIPEs */ |
| hdd_ipa->resource_unloading = VOS_FALSE; |
| hdd_ipa_uc_proc_pending_event(hdd_ipa); |
| hdd_ipa->pending_cons_req = VOS_FALSE; |
| } |
| vos_lock_release(&hdd_ipa->ipa_lock); |
| } |
| |
| if ((HDD_IPA_UC_OPCODE_STATS == msg->op_code) && |
| (HDD_IPA_UC_STAT_REASON_DEBUG == hdd_ipa->stat_req_reason)) { |
| /* STATs from host */ |
| VOS_TRACE(VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_ERROR, |
| "==== IPA_UC WLAN_HOST CE ====\n" |
| "CE RING BASE: 0x%x\n" |
| "CE RING SIZE: %d\n" |
| "CE REG ADDR : 0x%x", |
| hdd_ctx->ce_sr_base_paddr, |
| hdd_ctx->ce_sr_ring_size, |
| hdd_ctx->ce_reg_paddr); |
| VOS_TRACE(VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_ERROR, |
| "==== IPA_UC WLAN_HOST TX ====\n" |
| "COMP RING BASE: 0x%x\n" |
| "COMP RING SIZE: %d\n" |
| "NUM ALLOC BUF: %d\n" |
| "COMP RING DBELL : 0x%x", |
| hdd_ctx->tx_comp_ring_base_paddr, |
| hdd_ctx->tx_comp_ring_size, |
| hdd_ctx->tx_num_alloc_buffer, |
| hdd_ctx->tx_comp_doorbell_paddr); |
| VOS_TRACE(VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_ERROR, |
| "==== IPA_UC WLAN_HOST RX ====\n" |
| "IND RING BASE: 0x%x\n" |
| "IND RING SIZE: %d\n" |
| "IND RING DBELL : 0x%x\n" |
| "PROC DONE IND ADDR : 0x%x\n" |
| "NUM EXCP PKT : %llu\n" |
| "NUM TX FWD OK: %llu\n" |
| "NUM TX FWD ERR : %llu", |
| hdd_ctx->rx_rdy_ring_base_paddr, |
| hdd_ctx->rx_rdy_ring_size, |
| hdd_ctx->rx_ready_doorbell_paddr, |
| hdd_ctx->rx_proc_done_idx_paddr, |
| hdd_ipa->stats.num_rx_excep, |
| hdd_ipa->stats.num_tx_fwd_ok, |
| hdd_ipa->stats.num_tx_fwd_err); |
| VOS_TRACE(VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_ERROR, |
| "==== IPA_UC WLAN_HOST CONTROL ====\n" |
| "SAP NUM STAs: %d\n" |
| #ifdef IPA_UC_STA_OFFLOAD |
| "STA CONNECTED: %d\n" |
| "CONCURRENT MODE: %s\n" |
| #endif |
| "TX PIPE HDL: %d\n" |
| "RX PIPE HDL : %d\n" |
| "RSC LOADING : %d\n" |
| "RSC UNLOADING : %d\n" |
| "PNDNG CNS RQT : %d", |
| hdd_ipa->sap_num_connected_sta, |
| #ifdef IPA_UC_STA_OFFLOAD |
| hdd_ipa->sta_connected, |
| (hdd_ctx->mcc_mode ? "MCC" : "SCC"), |
| #endif |
| hdd_ipa->tx_pipe_handle, |
| hdd_ipa->rx_pipe_handle, |
| (unsigned int)hdd_ipa->resource_loading, |
| (unsigned int)hdd_ipa->resource_unloading, |
| (unsigned int)hdd_ipa->pending_cons_req); |
| |
| /* STATs from FW */ |
| uc_fw_stat = (struct ipa_uc_fw_stats *) |
| ((v_U8_t *)op_msg + sizeof(struct op_msg_type)); |
| VOS_TRACE(VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_ERROR, |
| "==== IPA_UC WLAN_FW TX ====\n" |
| "COMP RING BASE: 0x%x\n" |
| "COMP RING SIZE: %d\n" |
| "COMP RING DBELL : 0x%x\n" |
| "COMP RING DBELL IND VAL : %d\n" |
| "COMP RING DBELL CACHED VAL : %d\n" |
| "COMP RING DBELL CACHED VAL : %d\n" |
| "PKTS ENQ : %d\n" |
| "PKTS COMP : %d\n" |
| "IS SUSPEND : %d\n" |
| "RSVD : 0x%x", |
| uc_fw_stat->tx_comp_ring_base, |
| uc_fw_stat->tx_comp_ring_size, |
| uc_fw_stat->tx_comp_ring_dbell_addr, |
| uc_fw_stat->tx_comp_ring_dbell_ind_val, |
| uc_fw_stat->tx_comp_ring_dbell_cached_val, |
| uc_fw_stat->tx_comp_ring_dbell_cached_val, |
| uc_fw_stat->tx_pkts_enqueued, |
| uc_fw_stat->tx_pkts_completed, |
| uc_fw_stat->tx_is_suspend, |
| uc_fw_stat->tx_reserved); |
| VOS_TRACE(VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_ERROR, |
| "==== IPA_UC WLAN_FW RX ====\n" |
| "IND RING BASE: 0x%x\n" |
| "IND RING SIZE: %d\n" |
| "IND RING DBELL : 0x%x\n" |
| "IND RING DBELL IND VAL : %d\n" |
| "IND RING DBELL CACHED VAL : %d\n" |
| "RDY IND ADDR : 0x%x\n" |
| "RDY IND CACHE VAL : %d\n" |
| "RFIL IND : %d\n" |
| "NUM PKT INDICAT : %d\n" |
| "BUF REFIL : %d\n" |
| "NUM DROP NO SPC : %d\n" |
| "NUM DROP NO BUF : %d\n" |
| "IS SUSPND : %d\n" |
| "RSVD : 0x%x\n", |
| uc_fw_stat->rx_ind_ring_base, |
| uc_fw_stat->rx_ind_ring_size, |
| uc_fw_stat->rx_ind_ring_dbell_addr, |
| uc_fw_stat->rx_ind_ring_dbell_ind_val, |
| uc_fw_stat->rx_ind_ring_dbell_ind_cached_val, |
| uc_fw_stat->rx_ind_ring_rdidx_addr, |
| uc_fw_stat->rx_ind_ring_rd_idx_cached_val, |
| uc_fw_stat->rx_refill_idx, |
| uc_fw_stat->rx_num_pkts_indicated, |
| uc_fw_stat->rx_buf_refilled, |
| uc_fw_stat->rx_num_ind_drop_no_space, |
| uc_fw_stat->rx_num_ind_drop_no_buf, |
| uc_fw_stat->rx_is_suspend, |
| uc_fw_stat->rx_reserved); |
| /* STATs from IPA */ |
| ipa_get_wdi_stats(&ipa_stat); |
| VOS_TRACE(VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_ERROR, |
| "==== IPA_UC IPA TX ====\n" |
| "NUM PROCD : %d\n" |
| "CE DBELL : 0x%x\n" |
| "NUM DBELL FIRED : %d\n" |
| "COMP RNG FULL : %d\n" |
| "COMP RNG EMPT : %d\n" |
| "COMP RNG USE HGH : %d\n" |
| "COMP RNG USE LOW : %d\n" |
| "BAM FIFO FULL : %d\n" |
| "BAM FIFO EMPT : %d\n" |
| "BAM FIFO USE HGH : %d\n" |
| "BAM FIFO USE LOW : %d\n" |
| "NUM DBELL : %d\n" |
| "NUM UNEXP DBELL : %d\n" |
| "NUM BAM INT HDL : 0x%x\n" |
| "NUM BAM INT NON-RUN : 0x%x\n" |
| "NUM QMB INT HDL : 0x%x", |
| ipa_stat.tx_ch_stats.num_pkts_processed, |
| ipa_stat.tx_ch_stats.copy_engine_doorbell_value, |
| ipa_stat.tx_ch_stats.num_db_fired, |
| ipa_stat.tx_ch_stats.tx_comp_ring_stats.ringFull, |
| ipa_stat.tx_ch_stats.tx_comp_ring_stats.ringEmpty, |
| ipa_stat.tx_ch_stats.tx_comp_ring_stats.ringUsageHigh, |
| ipa_stat.tx_ch_stats.tx_comp_ring_stats.ringUsageLow, |
| ipa_stat.tx_ch_stats.bam_stats.bamFifoFull, |
| ipa_stat.tx_ch_stats.bam_stats.bamFifoEmpty, |
| ipa_stat.tx_ch_stats.bam_stats.bamFifoUsageHigh, |
| ipa_stat.tx_ch_stats.bam_stats.bamFifoUsageLow, |
| ipa_stat.tx_ch_stats.num_db, |
| ipa_stat.tx_ch_stats.num_unexpected_db, |
| ipa_stat.tx_ch_stats.num_bam_int_handled, |
| ipa_stat.tx_ch_stats.num_bam_int_in_non_runnning_state, |
| ipa_stat.tx_ch_stats.num_qmb_int_handled); |
| |
| VOS_TRACE(VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_ERROR, |
| "==== IPA_UC IPA RX ====\n" |
| "MAX OST PKT : %d\n" |
| "NUM PKT PRCSD : %d\n" |
| "RNG RP : 0x%x\n" |
| "COMP RNG FULL : %d\n" |
| "COMP RNG EMPT : %d\n" |
| "COMP RNG USE HGH : %d\n" |
| "COMP RNG USE LOW : %d\n" |
| "BAM FIFO FULL : %d\n" |
| "BAM FIFO EMPT : %d\n" |
| "BAM FIFO USE HGH : %d\n" |
| "BAM FIFO USE LOW : %d\n" |
| "NUM DB : %d\n" |
| "NUM UNEXP DB : %d\n" |
| "NUM BAM INT HNDL : 0x%x\n", |
| ipa_stat.rx_ch_stats.max_outstanding_pkts, |
| ipa_stat.rx_ch_stats.num_pkts_processed, |
| ipa_stat.rx_ch_stats.rx_ring_rp_value, |
| ipa_stat.rx_ch_stats.rx_ind_ring_stats.ringFull, |
| ipa_stat.rx_ch_stats.rx_ind_ring_stats.ringEmpty, |
| ipa_stat.rx_ch_stats.rx_ind_ring_stats.ringUsageHigh, |
| ipa_stat.rx_ch_stats.rx_ind_ring_stats.ringUsageLow, |
| ipa_stat.rx_ch_stats.bam_stats.bamFifoFull, |
| ipa_stat.rx_ch_stats.bam_stats.bamFifoEmpty, |
| ipa_stat.rx_ch_stats.bam_stats.bamFifoUsageHigh, |
| ipa_stat.rx_ch_stats.bam_stats.bamFifoUsageLow, |
| ipa_stat.rx_ch_stats.num_db, |
| ipa_stat.rx_ch_stats.num_unexpected_db, |
| ipa_stat.rx_ch_stats.num_bam_int_handled); |
| } else if ((HDD_IPA_UC_OPCODE_STATS == msg->op_code) && |
| (HDD_IPA_UC_STAT_REASON_BW_CAL == hdd_ipa->stat_req_reason)) { |
| /* STATs from FW */ |
| uc_fw_stat = (struct ipa_uc_fw_stats *) |
| ((v_U8_t *)op_msg + sizeof(struct op_msg_type)); |
| vos_lock_acquire(&hdd_ipa->ipa_lock); |
| hdd_ipa->ipa_tx_packets_diff = HDD_BW_GET_DIFF( |
| uc_fw_stat->tx_pkts_completed, |
| hdd_ipa->ipa_p_tx_packets); |
| hdd_ipa->ipa_rx_packets_diff = HDD_BW_GET_DIFF( |
| (uc_fw_stat->rx_num_ind_drop_no_space + |
| uc_fw_stat->rx_num_ind_drop_no_buf + |
| uc_fw_stat->rx_num_pkts_indicated), |
| hdd_ipa->ipa_p_rx_packets); |
| |
| hdd_ipa->ipa_p_tx_packets = uc_fw_stat->tx_pkts_completed; |
| hdd_ipa->ipa_p_rx_packets = |
| (uc_fw_stat->rx_num_ind_drop_no_space + |
| uc_fw_stat->rx_num_ind_drop_no_buf + |
| uc_fw_stat->rx_num_pkts_indicated); |
| vos_lock_release(&hdd_ipa->ipa_lock); |
| } else if (HDD_IPA_UC_OPCODE_UC_READY == msg->op_code) { |
| vos_lock_acquire(&hdd_ipa->ipa_lock); |
| hdd_ipa_uc_loaded_handler(hdd_ipa); |
| vos_lock_release(&hdd_ipa->ipa_lock); |
| } |
| |
| adf_os_mem_free(op_msg); |
| } |
| |
| static void hdd_ipa_uc_fw_op_event_handler(struct work_struct *work) |
| { |
| struct op_msg_type *msg; |
| struct uc_op_work_struct *uc_op_work = container_of(work, |
| struct uc_op_work_struct, work); |
| struct hdd_ipa_priv *hdd_ipa = ghdd_ipa; |
| |
| vos_ssr_protect(__func__); |
| |
| msg = uc_op_work->msg; |
| uc_op_work->msg = NULL; |
| HDD_IPA_LOG(VOS_TRACE_LEVEL_INFO_HIGH, |
| "%s, posted msg %d", __func__, msg->op_code); |
| |
| hdd_ipa_uc_op_cb(msg, hdd_ipa->hdd_ctx); |
| |
| vos_ssr_unprotect(__func__); |
| |
| return; |
| } |
| |
| static void hdd_ipa_uc_op_event_handler(v_U8_t *op_msg, void *hdd_ctx) |
| { |
| struct hdd_ipa_priv *hdd_ipa; |
| struct op_msg_type *msg; |
| struct uc_op_work_struct *uc_op_work; |
| |
| if (NULL == hdd_ctx) { |
| HDD_IPA_LOG(VOS_TRACE_LEVEL_ERROR, "Invalid HDD context"); |
| goto end; |
| } |
| |
| msg = (struct op_msg_type *)op_msg; |
| hdd_ipa = ((hdd_context_t *)hdd_ctx)->hdd_ipa; |
| |
| if (unlikely(!hdd_ipa)) |
| goto end; |
| |
| if (HDD_IPA_UC_OPCODE_MAX <= msg->op_code) { |
| HDD_IPA_LOG(VOS_TRACE_LEVEL_ERROR, "%s: Invalid OP Code (%d)", |
| __func__, msg->op_code); |
| goto end; |
| } |
| |
| uc_op_work = &hdd_ipa->uc_op_work[msg->op_code]; |
| if (uc_op_work->msg) |
| /* When the same uC OPCODE is already pended, just return */ |
| goto end; |
| |
| uc_op_work->msg = msg; |
| schedule_work(&uc_op_work->work); |
| return; |
| |
| end: |
| adf_os_mem_free(op_msg); |
| } |
| |
| static VOS_STATUS hdd_ipa_uc_ol_init(hdd_context_t *hdd_ctx) |
| { |
| struct ipa_wdi_in_params pipe_in; |
| struct ipa_wdi_out_params pipe_out; |
| struct hdd_ipa_priv *ipa_ctxt = (struct hdd_ipa_priv *)hdd_ctx->hdd_ipa; |
| uint8_t i; |
| struct ipa_wdi_db_params dbpa; |
| |
| vos_mem_zero(&ipa_ctxt->cons_pipe_in, sizeof(struct ipa_wdi_in_params)); |
| vos_mem_zero(&ipa_ctxt->prod_pipe_in, sizeof(struct ipa_wdi_in_params)); |
| |
| vos_mem_zero(&pipe_in, sizeof(struct ipa_wdi_in_params)); |
| vos_mem_zero(&pipe_out, sizeof(struct ipa_wdi_out_params)); |
| |
| vos_list_init(&ipa_ctxt->pending_event); |
| |
| if (!hdd_ctx->isLogpInProgress) { |
| vos_lock_init(&ipa_ctxt->event_lock); |
| vos_lock_init(&ipa_ctxt->ipa_lock); |
| } |
| |
| /* TX PIPE */ |
| pipe_in.sys.ipa_ep_cfg.nat.nat_en = IPA_BYPASS_NAT; |
| pipe_in.sys.ipa_ep_cfg.hdr.hdr_len = HDD_IPA_UC_WLAN_TX_HDR_LEN; |
| pipe_in.sys.ipa_ep_cfg.hdr.hdr_ofst_pkt_size_valid = 1; |
| pipe_in.sys.ipa_ep_cfg.hdr.hdr_ofst_pkt_size = 0; |
| pipe_in.sys.ipa_ep_cfg.hdr.hdr_additional_const_len = |
| HDD_IPA_UC_WLAN_8023_HDR_SIZE; |
| pipe_in.sys.ipa_ep_cfg.mode.mode = IPA_BASIC; |
| pipe_in.sys.client = IPA_CLIENT_WLAN1_CONS; |
| pipe_in.sys.desc_fifo_sz = hdd_ctx->cfg_ini->IpaDescSize; |
| pipe_in.sys.priv = hdd_ctx->hdd_ipa; |
| pipe_in.sys.ipa_ep_cfg.hdr_ext.hdr_little_endian = true; |
| pipe_in.sys.notify = hdd_ipa_i2w_cb; |
| if (!hdd_ipa_is_rm_enabled(ghdd_ipa)) { |
| HDD_IPA_LOG(VOS_TRACE_LEVEL_INFO, |
| "%s: IPA RM DISABLED, IPA AWAKE", __func__); |
| pipe_in.sys.keep_ipa_awake = TRUE; |
| } |
| |
| pipe_in.u.dl.comp_ring_base_pa = hdd_ctx->tx_comp_ring_base_paddr; |
| pipe_in.u.dl.comp_ring_size = hdd_ctx->tx_comp_ring_size * 4; |
| pipe_in.u.dl.ce_ring_base_pa = hdd_ctx->ce_sr_base_paddr; |
| pipe_in.u.dl.ce_door_bell_pa = hdd_ctx->ce_reg_paddr; |
| pipe_in.u.dl.ce_ring_size = hdd_ctx->ce_sr_ring_size * 8; |
| pipe_in.u.dl.num_tx_buffers = hdd_ctx->tx_num_alloc_buffer; |
| |
| vos_mem_copy(&ipa_ctxt->cons_pipe_in, |
| &pipe_in, |
| sizeof(struct ipa_wdi_in_params)); |
| dbpa.client = IPA_CLIENT_WLAN1_CONS; |
| ipa_uc_wdi_get_dbpa(&dbpa); |
| HDD_IPA_LOG(VOS_TRACE_LEVEL_INFO, |
| "%s CONS DB get dbpa 0x%x", |
| __func__, (unsigned int)dbpa.uc_door_bell_pa); |
| hdd_ctx->tx_comp_doorbell_paddr = dbpa.uc_door_bell_pa; |
| if (VOS_TRUE == ipa_ctxt->uc_loaded) { |
| /* Connect WDI IPA PIPE */ |
| ipa_connect_wdi_pipe(&ipa_ctxt->cons_pipe_in, &pipe_out); |
| /* Micro Controller Doorbell register */ |
| HDD_IPA_LOG(VOS_TRACE_LEVEL_ERROR, |
| "%s CONS DB pipe out 0x%x TX PIPE Handle 0x%x", |
| __func__, (unsigned int)pipe_out.uc_door_bell_pa, |
| ipa_ctxt->tx_pipe_handle); |
| |
| hdd_ctx->tx_comp_doorbell_paddr = (v_U32_t)pipe_out.uc_door_bell_pa; |
| /* WLAN TX PIPE Handle */ |
| ipa_ctxt->tx_pipe_handle = pipe_out.clnt_hdl; |
| HDD_IPA_LOG(VOS_TRACE_LEVEL_INFO_HIGH, |
| "TX : CRBPA 0x%x, CRS %d, CERBPA 0x%x, CEDPA 0x%x," |
| " CERZ %d, NB %d, CDBPAD 0x%x", |
| (unsigned int)pipe_in.u.dl.comp_ring_base_pa, |
| pipe_in.u.dl.comp_ring_size, |
| (unsigned int)pipe_in.u.dl.ce_ring_base_pa, |
| (unsigned int)pipe_in.u.dl.ce_door_bell_pa, |
| pipe_in.u.dl.ce_ring_size, |
| pipe_in.u.dl.num_tx_buffers, |
| (unsigned int)hdd_ctx->tx_comp_doorbell_paddr); |
| } |
| |
| /* RX PIPE */ |
| pipe_in.sys.ipa_ep_cfg.nat.nat_en = IPA_BYPASS_NAT; |
| pipe_in.sys.ipa_ep_cfg.hdr.hdr_len = HDD_IPA_UC_WLAN_RX_HDR_LEN; |
| pipe_in.sys.ipa_ep_cfg.hdr.hdr_ofst_metadata_valid = 0; |
| pipe_in.sys.ipa_ep_cfg.hdr.hdr_metadata_reg_valid = 1; |
| pipe_in.sys.ipa_ep_cfg.mode.mode = IPA_BASIC; |
| pipe_in.sys.client = IPA_CLIENT_WLAN1_PROD; |
| pipe_in.sys.desc_fifo_sz = hdd_ctx->cfg_ini->IpaDescSize + |
| sizeof(struct sps_iovec); |
| pipe_in.sys.notify = hdd_ipa_w2i_cb; |
| if (!hdd_ipa_is_rm_enabled(ghdd_ipa)) { |
| HDD_IPA_LOG(VOS_TRACE_LEVEL_ERROR, |
| "%s: IPA RM DISABLED, IPA AWAKE", __func__); |
| pipe_in.sys.keep_ipa_awake = TRUE; |
| } |
| |
| pipe_in.u.ul.rdy_ring_base_pa = hdd_ctx->rx_rdy_ring_base_paddr; |
| pipe_in.u.ul.rdy_ring_size = hdd_ctx->rx_rdy_ring_size; |
| pipe_in.u.ul.rdy_ring_rp_pa = hdd_ctx->rx_proc_done_idx_paddr; |
| |
| vos_mem_copy(&ipa_ctxt->prod_pipe_in, |
| &pipe_in, |
| sizeof(struct ipa_wdi_in_params)); |
| dbpa.client = IPA_CLIENT_WLAN1_PROD; |
| ipa_uc_wdi_get_dbpa(&dbpa); |
| hdd_ctx->rx_ready_doorbell_paddr = dbpa.uc_door_bell_pa; |
| HDD_IPA_LOG(VOS_TRACE_LEVEL_INFO, |
| "%s PROD DB get dbpa 0x%x", |
| __func__, (unsigned int)dbpa.uc_door_bell_pa); |
| if (VOS_TRUE == ipa_ctxt->uc_loaded) { |
| ipa_connect_wdi_pipe(&ipa_ctxt->prod_pipe_in, &pipe_out); |
| hdd_ctx->rx_ready_doorbell_paddr = pipe_out.uc_door_bell_pa; |
| ipa_ctxt->rx_pipe_handle = pipe_out.clnt_hdl; |
| HDD_IPA_LOG(VOS_TRACE_LEVEL_ERROR, |
| "%s PROD DB pipe out 0x%x", |
| __func__, (unsigned int)pipe_out.uc_door_bell_pa); |
| HDD_IPA_LOG(VOS_TRACE_LEVEL_INFO_HIGH, |
| "RX : RRBPA 0x%x, RRS %d, PDIPA 0x%x, RDY_DB_PAD 0x%x", |
| (unsigned int)pipe_in.u.ul.rdy_ring_base_pa, |
| pipe_in.u.ul.rdy_ring_size, |
| (unsigned int)pipe_in.u.ul.rdy_ring_rp_pa, |
| (unsigned int)hdd_ctx->rx_ready_doorbell_paddr); |
| } |
| WLANTL_SetUcDoorbellPaddr((pVosContextType)(hdd_ctx->pvosContext), |
| (v_U32_t)hdd_ctx->tx_comp_doorbell_paddr, |
| (v_U32_t)hdd_ctx->rx_ready_doorbell_paddr); |
| |
| WLANTL_RegisterOPCbFnc((pVosContextType)(hdd_ctx->pvosContext), |
| hdd_ipa_uc_op_event_handler, (void *)hdd_ctx); |
| |
| for (i = 0; i < HDD_IPA_UC_OPCODE_MAX; i++) { |
| vos_init_work(&ipa_ctxt->uc_op_work[i].work, |
| hdd_ipa_uc_fw_op_event_handler); |
| ipa_ctxt->uc_op_work[i].msg = NULL; |
| } |
| |
| return VOS_STATUS_SUCCESS; |
| } |
| |
| /** |
| * hdd_ipa_uc_force_pipe_shutdown() - Force shutdown IPA pipe |
| * @hdd_ctx: hdd main context |
| * |
| * Force shutdown IPA pipe |
| * Independent of FW pipe status, IPA pipe shutdonw progress |
| * in case, any STA does not leave properly, IPA HW pipe should cleaned up |
| * independent from FW pipe status |
| * |
| * Return: NONE |
| */ |
| void hdd_ipa_uc_force_pipe_shutdown(hdd_context_t *hdd_ctx) |
| { |
| struct hdd_ipa_priv *hdd_ipa; |
| |
| if (!hdd_ipa_is_enabled(hdd_ctx) || !hdd_ctx->hdd_ipa) |
| return; |
| |
| hdd_ipa = (struct hdd_ipa_priv *)hdd_ctx->hdd_ipa; |
| if (false == hdd_ipa->ipa_pipes_down) { |
| HDD_IPA_LOG(VOS_TRACE_LEVEL_ERROR, |
| "IPA pipes are not down yet, force shutdown"); |
| hdd_ipa_uc_disable_pipes(hdd_ipa); |
| } else { |
| HDD_IPA_LOG(VOS_TRACE_LEVEL_INFO, |
| "IPA pipes are down, do nothing"); |
| } |
| |
| return; |
| } |
| |
| /** |
| * hdd_ipa_uc_send_evt() - send event to ipa |
| * @hdd_ctx: pointer to hdd context |
| * @type: event type |
| * @mac_addr: pointer to mac address |
| * |
| * Send event to IPA driver |
| * |
| * Return: 0 - Success |
| */ |
| static int hdd_ipa_uc_send_evt(hdd_adapter_t *adapter, |
| enum ipa_wlan_event type, uint8_t *mac_addr ) |
| { |
| struct hdd_ipa_priv *hdd_ipa = ghdd_ipa; |
| struct ipa_msg_meta meta; |
| struct ipa_wlan_msg *msg; |
| int ret = 0; |
| |
| meta.msg_len = sizeof(struct ipa_wlan_msg); |
| msg = adf_os_mem_alloc(NULL, meta.msg_len); |
| if (msg == NULL) { |
| HDD_IPA_LOG(VOS_TRACE_LEVEL_ERROR, |
| "msg allocation failed"); |
| return -ENOMEM; |
| } |
| |
| meta.msg_type = type; |
| strlcpy(msg->name, adapter->dev->name, |
| IPA_RESOURCE_NAME_MAX); |
| memcpy(msg->mac_addr, mac_addr, ETH_ALEN); |
| HDD_IPA_LOG(VOS_TRACE_LEVEL_INFO, "%s: Evt: %d", |
| msg->name, meta.msg_type); |
| ret = ipa_send_msg(&meta, msg, hdd_ipa_msg_free_fn); |
| if (ret) { |
| HDD_IPA_LOG(VOS_TRACE_LEVEL_ERROR, |
| "%s: Evt: %d fail:%d", |
| msg->name, meta.msg_type, ret); |
| adf_os_mem_free(msg); |
| return ret; |
| } |
| |
| hdd_ipa->stats.num_send_msg++; |
| |
| return ret; |
| } |
| |
| /** |
| * hdd_ipa_uc_disconnect_client() - send client disconnect event |
| * @hdd_ctx: pointer to hdd adapter |
| * |
| * Send disconnect client event to IPA driver during SSR |
| * |
| * Return: 0 - Success |
| */ |
| static int hdd_ipa_uc_disconnect_client(hdd_adapter_t *adapter) |
| { |
| struct hdd_ipa_priv *hdd_ipa = ghdd_ipa; |
| int ret = 0; |
| int i; |
| |
| for (i = 0; i < WLAN_MAX_STA_COUNT; i++) { |
| if (vos_is_macaddr_broadcast(&adapter->aStaInfo[i].macAddrSTA)) |
| continue; |
| if ((adapter->aStaInfo[i].isUsed) && |
| (!adapter->aStaInfo[i].isDeauthInProgress) && |
| hdd_ipa->sap_num_connected_sta) { |
| hdd_ipa_uc_send_evt(adapter, WLAN_CLIENT_DISCONNECT, |
| adapter->aStaInfo[i].macAddrSTA.bytes); |
| hdd_ipa->sap_num_connected_sta--; |
| } |
| } |
| |
| return ret; |
| } |
| |
| /** |
| * hdd_ipa_uc_disconnect_ap() - send ap disconnect event |
| * @hdd_ctx: pointer to hdd adapter |
| * |
| * Send disconnect ap event to IPA driver during SSR |
| * |
| * Return: 0 - Success |
| */ |
| |
| static int hdd_ipa_uc_disconnect_ap(hdd_adapter_t *adapter) |
| { |
| int ret = 0; |
| |
| if (adapter->ipa_context) |
| hdd_ipa_uc_send_evt(adapter, WLAN_AP_DISCONNECT, |
| adapter->dev->dev_addr); |
| |
| return ret; |
| } |
| |
| #ifdef IPA_UC_STA_OFFLOAD |
| /** |
| * hdd_ipa_uc_disconnect_sta() - send sta disconnect event |
| * @hdd_ctx: pointer to hdd adapter |
| * |
| * Send disconnect sta event to IPA driver during SSR |
| * |
| * Return: 0 - Success |
| */ |
| static int hdd_ipa_uc_disconnect_sta(hdd_adapter_t *adapter) |
| { |
| hdd_station_ctx_t *pHddStaCtx; |
| struct hdd_ipa_priv *hdd_ipa = ghdd_ipa; |
| int ret = 0; |
| |
| if (hdd_ipa_uc_sta_is_enabled(hdd_ipa) && |
| hdd_ipa->sta_connected) { |
| pHddStaCtx = WLAN_HDD_GET_STATION_CTX_PTR(adapter); |
| hdd_ipa_uc_send_evt(adapter, WLAN_STA_DISCONNECT, |
| pHddStaCtx->conn_info.bssId); |
| } |
| |
| return ret; |
| } |
| #else |
| static int hdd_ipa_uc_disconnect_sta(hdd_adapter_t *adapter) |
| { |
| return 0; |
| } |
| |
| #endif |
| |
| /** |
| * hdd_ipa_uc_disconnect() - send disconnect ipa event |
| * @hdd_ctx: pointer to hdd context |
| * |
| * Send disconnect event to IPA driver during SSR |
| * |
| * Return: 0 - Success |
| */ |
| static int hdd_ipa_uc_disconnect(hdd_context_t *hdd_ctx) |
| { |
| hdd_adapter_list_node_t *adapter_node = NULL, *next = NULL; |
| VOS_STATUS status; |
| hdd_adapter_t *adapter; |
| int ret = 0; |
| |
| status = hdd_get_front_adapter (hdd_ctx, &adapter_node); |
| while (NULL != adapter_node && VOS_STATUS_SUCCESS == status) { |
| adapter = adapter_node->pAdapter; |
| if (adapter->device_mode == WLAN_HDD_SOFTAP) { |
| hdd_ipa_uc_disconnect_client(adapter); |
| hdd_ipa_uc_disconnect_ap(adapter); |
| } else if (adapter->device_mode == WLAN_HDD_INFRA_STATION) { |
| hdd_ipa_uc_disconnect_sta(adapter); |
| } |
| |
| status = hdd_get_next_adapter( |
| hdd_ctx, adapter_node, &next); |
| adapter_node = next; |
| } |
| |
| return ret; |
| } |
| |
| /** |
| * hdd_ipa_uc_ssr_deinit() - handle ipa deinit for SSR |
| * |
| * Deinit basic IPA UC host side to be in sync reloaded FW during |
| * SSR |
| * |
| * Return: 0 - Success |
| */ |
| int hdd_ipa_uc_ssr_deinit() |
| { |
| struct hdd_ipa_priv *hdd_ipa = ghdd_ipa; |
| int idx; |
| struct hdd_ipa_iface_context *iface_context; |
| hdd_context_t *hdd_ctx; |
| |
| if (!hdd_ipa_uc_is_enabled(hdd_ipa)) |
| return 0; |
| |
| hdd_ctx = hdd_ipa->hdd_ctx; |
| /* send disconnect to ipa driver */ |
| hdd_ipa_uc_disconnect(hdd_ctx); |
| |
| /* Clean up HDD IPA interfaces */ |
| for (idx = 0; (hdd_ipa->num_iface > 0) && |
| (idx < HDD_IPA_MAX_IFACE); idx++) { |
| iface_context = &hdd_ipa->iface_context[idx]; |
| if (iface_context && iface_context->adapter) |
| hdd_ipa_cleanup_iface(iface_context); |
| } |
| |
| /* After SSR, wlan driver reloads FW again. But we need to protect |
| * IPA submodule during SSR transient state. So deinit basic IPA |
| * UC host side to be in sync with reloaded FW during SSR |
| */ |
| if (false == hdd_ipa->ipa_pipes_down) |
| hdd_ipa_uc_disable_pipes(hdd_ipa); |
| |
| vos_lock_acquire(&hdd_ipa->ipa_lock); |
| for (idx = 0; idx < WLAN_MAX_STA_COUNT; idx++) { |
| hdd_ipa->assoc_stas_map[idx].is_reserved = false; |
| hdd_ipa->assoc_stas_map[idx].sta_id = 0xFF; |
| } |
| vos_lock_release(&hdd_ipa->ipa_lock); |
| |
| /* |
| * Do WDI pipes disconnect here. During reinit new WDI pipes |
| * will be created. |
| */ |
| /* In MDM case pipes will be disconnected as part of ipa cleanup */ |
| if (hdd_ctx->cfg_ini->sap_internal_restart) { |
| HDD_IPA_LOG(VOS_TRACE_LEVEL_INFO, |
| "%s: Disconnect TX PIPE tx_pipe_handle=0x%x", |
| __func__, hdd_ipa->tx_pipe_handle); |
| ipa_disconnect_wdi_pipe(hdd_ipa->tx_pipe_handle); |
| HDD_IPA_LOG(VOS_TRACE_LEVEL_INFO, |
| "%s: Disconnect RX PIPE rx_pipe_handle=0x%x", |
| __func__, hdd_ipa->rx_pipe_handle); |
| ipa_disconnect_wdi_pipe(hdd_ipa->rx_pipe_handle); |
| } |
| |
| if (hdd_ipa_uc_sta_is_enabled(hdd_ipa)) { |
| hdd_ipa_uc_sta_reset_sta_connected(hdd_ipa); |
| } |
| |
| /* Full IPA driver cleanup not required since wlan driver is now |
| * unloaded and reloaded after SSR. |
| */ |
| return 0; |
| } |
| |
| /** |
| * hdd_ipa_uc_ssr_reinit() - handle ipa reinit after SSR |
| * |
| * Init basic IPA UC host side to be in sync with reloaded FW after |
| * SSR to resume IPA UC operations |
| * |
| * Return: 0 - Success |
| */ |
| int hdd_ipa_uc_ssr_reinit(hdd_context_t *hdd_ctx) |
| { |
| struct hdd_ipa_priv *hdd_ipa = ghdd_ipa; |
| |
| if (!hdd_ipa_uc_is_enabled(hdd_ipa)) |
| return 0; |
| |
| if (hdd_ctx->cfg_ini->sap_internal_restart) |
| hdd_ipa_uc_ol_init(hdd_ctx); |
| |
| return 0; |
| } |
| #else |
| /** |
| * hdd_ipa_uc_rt_debug_destructor - called by data packet free |
| * @skb: packet pinter |
| * |
| * when free data packet, will be invoked by wlan client and will increase |
| * free counter |
| * |
| * Return: none |
| */ |
| void hdd_ipa_uc_rt_debug_destructor(struct sk_buff *skb) |
| { |
| return; |
| } |
| #endif /* IPA_UC_OFFLOAD */ |
| |
| static int hdd_ipa_rm_request(struct hdd_ipa_priv *hdd_ipa) |
| { |
| int ret = 0; |
| |
| if (!hdd_ipa_is_rm_enabled(hdd_ipa)) |
| return 0; |
| |
| adf_os_spin_lock_bh(&hdd_ipa->rm_lock); |
| |
| switch(hdd_ipa->rm_state) { |
| case HDD_IPA_RM_GRANTED: |
| adf_os_spin_unlock_bh(&hdd_ipa->rm_lock); |
| return 0; |
| case HDD_IPA_RM_GRANT_PENDING: |
| adf_os_spin_unlock_bh(&hdd_ipa->rm_lock); |
| return -EINPROGRESS; |
| case HDD_IPA_RM_RELEASED: |
| hdd_ipa->rm_state = HDD_IPA_RM_GRANT_PENDING; |
| break; |
| } |
| |
| adf_os_spin_unlock_bh(&hdd_ipa->rm_lock); |
| |
| ret = ipa_rm_inactivity_timer_request_resource( |
| IPA_RM_RESOURCE_WLAN_PROD); |
| |
| adf_os_spin_lock_bh(&hdd_ipa->rm_lock); |
| if (ret == 0) { |
| hdd_ipa->rm_state = HDD_IPA_RM_GRANTED; |
| hdd_ipa->stats.num_rm_grant_imm++; |
| } |
| |
| cancel_delayed_work(&hdd_ipa->wake_lock_work); |
| if (hdd_ipa->wake_lock_released) { |
| vos_wake_lock_acquire(&hdd_ipa->wake_lock, |
| WIFI_POWER_EVENT_WAKELOCK_IPA); |
| hdd_ipa->wake_lock_released = false; |
| } |
| adf_os_spin_unlock_bh(&hdd_ipa->rm_lock); |
| |
| return ret; |
| } |
| |
| static void hdd_ipa_wake_lock_timer_func(struct work_struct *work) |
| { |
| struct hdd_ipa_priv *hdd_ipa = container_of(to_delayed_work(work), |
| struct hdd_ipa_priv, wake_lock_work); |
| |
| adf_os_spin_lock_bh(&hdd_ipa->rm_lock); |
| |
| if (hdd_ipa->rm_state != HDD_IPA_RM_RELEASED) |
| goto end; |
| |
| hdd_ipa->wake_lock_released = true; |
| vos_wake_lock_release(&hdd_ipa->wake_lock, |
| WIFI_POWER_EVENT_WAKELOCK_IPA); |
| |
| end: |
| adf_os_spin_unlock_bh(&hdd_ipa->rm_lock); |
| } |
| |
| static int hdd_ipa_rm_try_release(struct hdd_ipa_priv *hdd_ipa) |
| { |
| int ret = 0; |
| |
| if (!hdd_ipa_is_rm_enabled(hdd_ipa)) |
| return 0; |
| |
| if (atomic_read(&hdd_ipa->tx_ref_cnt)) |
| return -EAGAIN; |
| |
| #ifndef IPA_UC_STA_OFFLOAD |
| SPIN_LOCK_BH(&hdd_ipa->q_lock); |
| if (hdd_ipa->pending_hw_desc_cnt || hdd_ipa->pend_q_cnt) { |
| SPIN_UNLOCK_BH(&hdd_ipa->q_lock); |
| return -EAGAIN; |
| } |
| SPIN_UNLOCK_BH(&hdd_ipa->q_lock); |
| #endif |
| |
| adf_os_spin_lock_bh(&hdd_ipa->pm_lock); |
| |
| if (!adf_nbuf_is_queue_empty(&hdd_ipa->pm_queue_head)) { |
| adf_os_spin_unlock_bh(&hdd_ipa->pm_lock); |
| return -EAGAIN; |
| } |
| adf_os_spin_unlock_bh(&hdd_ipa->pm_lock); |
| |
| |
| adf_os_spin_lock_bh(&hdd_ipa->rm_lock); |
| switch(hdd_ipa->rm_state) { |
| case HDD_IPA_RM_GRANTED: |
| break; |
| case HDD_IPA_RM_GRANT_PENDING: |
| adf_os_spin_unlock_bh(&hdd_ipa->rm_lock); |
| return -EINPROGRESS; |
| case HDD_IPA_RM_RELEASED: |
| adf_os_spin_unlock_bh(&hdd_ipa->rm_lock); |
| return 0; |
| } |
| |
| /* IPA driver returns immediately so set the state here to avoid any |
| * race condition. |
| */ |
| hdd_ipa->rm_state = HDD_IPA_RM_RELEASED; |
| hdd_ipa->stats.num_rm_release++; |
| adf_os_spin_unlock_bh(&hdd_ipa->rm_lock); |
| |
| ret = ipa_rm_inactivity_timer_release_resource( |
| IPA_RM_RESOURCE_WLAN_PROD); |
| |
| adf_os_spin_lock_bh(&hdd_ipa->rm_lock); |
| if (unlikely(ret != 0)) { |
| hdd_ipa->rm_state = HDD_IPA_RM_GRANTED; |
| WARN_ON(1); |
| } |
| |
| /* |
| * If wake_lock is released immediately, kernel would try to suspend |
| * immediately as well, Just avoid ping-pong between suspend-resume |
| * while there is healthy amount of data transfer going on by |
| * releasing the wake_lock after some delay. |
| */ |
| schedule_delayed_work(&hdd_ipa->wake_lock_work, |
| msecs_to_jiffies(HDD_IPA_RX_INACTIVITY_MSEC_DELAY)); |
| |
| adf_os_spin_unlock_bh(&hdd_ipa->rm_lock); |
| |
| return ret; |
| } |
| |
| static void hdd_ipa_send_pkt_to_ipa(struct hdd_ipa_priv *hdd_ipa) |
| { |
| struct ipa_tx_data_desc *send_desc, *desc, *tmp; |
| uint32_t cur_send_cnt = 0, pend_q_cnt; |
| adf_nbuf_t buf; |
| struct ipa_tx_data_desc *send_desc_head = NULL; |
| |
| /* Unloading is in progress so do not proceed to send the packets to |
| * IPA |
| */ |
| if (hdd_ipa->hdd_ctx->isUnloadInProgress) |
| return; |
| |
| /* Make it priority queue request as send descriptor */ |
| send_desc_head = hdd_ipa_alloc_data_desc(hdd_ipa, 1); |
| |
| /* Try again later when descriptors are available */ |
| if (!send_desc_head) |
| return; |
| |
| INIT_LIST_HEAD(&send_desc_head->link); |
| |
| SPIN_LOCK_BH(&hdd_ipa->q_lock); |
| |
| if (hdd_ipa->pending_hw_desc_cnt >= hdd_ipa->hw_desc_cnt) { |
| hdd_ipa->stats.num_rx_ipa_hw_maxed_out++; |
| SPIN_UNLOCK_BH(&hdd_ipa->q_lock); |
| hdd_ipa_free_data_desc(hdd_ipa, send_desc_head); |
| return; |
| } |
| |
| pend_q_cnt = hdd_ipa->pend_q_cnt; |
| |
| if (pend_q_cnt == 0) { |
| SPIN_UNLOCK_BH(&hdd_ipa->q_lock); |
| hdd_ipa_free_data_desc(hdd_ipa, send_desc_head); |
| return; |
| } |
| |
| /* If hardware has more room than what is pending in the queue update |
| * the send_desc_head right away without going through the loop |
| */ |
| if ((hdd_ipa->pending_hw_desc_cnt + pend_q_cnt) < |
| hdd_ipa->hw_desc_cnt) { |
| list_splice_tail_init(&hdd_ipa->pend_desc_head, |
| &send_desc_head->link); |
| cur_send_cnt = pend_q_cnt; |
| hdd_ipa->pend_q_cnt = 0; |
| hdd_ipa->stats.num_rx_ipa_splice++; |
| } else { |
| while (((hdd_ipa->pending_hw_desc_cnt + cur_send_cnt) < |
| hdd_ipa->hw_desc_cnt) && pend_q_cnt > 0) |
| { |
| send_desc = list_first_entry(&hdd_ipa->pend_desc_head, |
| struct ipa_tx_data_desc, link); |
| list_del(&send_desc->link); |
| list_add_tail(&send_desc->link, &send_desc_head->link); |
| cur_send_cnt++; |
| pend_q_cnt--; |
| } |
| hdd_ipa->stats.num_rx_ipa_loop++; |
| |
| hdd_ipa->pend_q_cnt -= cur_send_cnt; |
| |
| VOS_ASSERT(hdd_ipa->pend_q_cnt == pend_q_cnt); |
| } |
| |
| hdd_ipa->pending_hw_desc_cnt += cur_send_cnt; |
| SPIN_UNLOCK_BH(&hdd_ipa->q_lock); |
| |
| if (ipa_tx_dp_mul(hdd_ipa->prod_client, send_desc_head) != 0) { |
| HDD_IPA_LOG(VOS_TRACE_LEVEL_ERROR, |
| "ipa_tx_dp_mul failed: %u, q_cnt: %u!", |
| hdd_ipa->pending_hw_desc_cnt, |
| hdd_ipa->pend_q_cnt); |
| goto ipa_tx_failed; |
| } |
| |
| hdd_ipa->stats.num_rx_ipa_tx_dp += cur_send_cnt; |
| if (cur_send_cnt > hdd_ipa->stats.num_max_ipa_tx_mul) |
| hdd_ipa->stats.num_max_ipa_tx_mul = cur_send_cnt; |
| |
| return; |
| |
| ipa_tx_failed: |
| |
| SPIN_LOCK_BH(&hdd_ipa->q_lock); |
| hdd_ipa->pending_hw_desc_cnt -= cur_send_cnt; |
| SPIN_UNLOCK_BH(&hdd_ipa->q_lock); |
| |
| list_for_each_entry_safe(desc, tmp, &send_desc_head->link, link) { |
| list_del(&desc->link); |
| buf = desc->priv; |
| adf_nbuf_free(buf); |
| hdd_ipa_free_data_desc(hdd_ipa, desc); |
| hdd_ipa->stats.num_rx_ipa_tx_dp_err++; |
| } |
| |
| /* Return anchor node */ |
| hdd_ipa_free_data_desc(hdd_ipa, send_desc_head); |
| } |
| |
| |
| static void hdd_ipa_rm_send_pkt_to_ipa(struct work_struct *work) |
| { |
| struct hdd_ipa_priv *hdd_ipa = container_of(work, |
| struct hdd_ipa_priv, rm_work); |
| |
| return hdd_ipa_send_pkt_to_ipa(hdd_ipa); |
| } |
| |
| static void hdd_ipa_rm_notify(void *user_data, enum ipa_rm_event event, |
| unsigned long data) |
| { |
| struct hdd_ipa_priv *hdd_ipa = user_data; |
| |
| if (unlikely(!hdd_ipa)) |
| return; |
| |
| if (!hdd_ipa_is_rm_enabled(hdd_ipa)) |
| return; |
| |
| HDD_IPA_LOG(VOS_TRACE_LEVEL_INFO, "Evt: %d", event); |
| |
| switch(event) { |
| case IPA_RM_RESOURCE_GRANTED: |
| #ifdef IPA_UC_OFFLOAD |
| if (hdd_ipa_uc_is_enabled(hdd_ipa)) { |
| /* RM Notification comes with ISR context |
| * it should be serialized into work queue to avoid |
| * ISR sleep problem */ |
| hdd_ipa->uc_rm_work.event = event; |
| schedule_work(&hdd_ipa->uc_rm_work.work); |
| break; |
| } |
| #endif /* IPA_UC_OFFLOAD */ |
| adf_os_spin_lock_bh(&hdd_ipa->rm_lock); |
| hdd_ipa->rm_state = HDD_IPA_RM_GRANTED; |
| adf_os_spin_unlock_bh(&hdd_ipa->rm_lock); |
| hdd_ipa->stats.num_rm_grant++; |
| |
| schedule_work(&hdd_ipa->rm_work); |
| break; |
| case IPA_RM_RESOURCE_RELEASED: |
| HDD_IPA_LOG(VOS_TRACE_LEVEL_INFO, "RM Release"); |
| #ifdef IPA_UC_OFFLOAD |
| hdd_ipa->resource_unloading = VOS_FALSE; |
| #endif /* IPA_UC_OFFLOAD */ |
| break; |
| default: |
| HDD_IPA_LOG(VOS_TRACE_LEVEL_ERROR, "Unknown RM Evt: %d", event); |
| break; |
| } |
| } |
| |
| static int hdd_ipa_rm_cons_release(void) |
| { |
| #ifdef IPA_UC_OFFLOAD |
| /* Do Nothing */ |
| #endif /* IPA_UC_OFFLOAD */ |
| return 0; |
| } |
| |
| static int hdd_ipa_rm_cons_request(void) |
| { |
| int ret = 0; |
| |
| #ifdef IPA_UC_OFFLOAD |
| if (ghdd_ipa->resource_loading) { |
| HDD_IPA_LOG(VOS_TRACE_LEVEL_FATAL, |
| "%s: ipa resource loading in progress", |
| __func__); |
| ghdd_ipa->pending_cons_req = VOS_TRUE; |
| ret= -EINPROGRESS; |
| } else if (ghdd_ipa->resource_unloading) { |
| HDD_IPA_LOG(VOS_TRACE_LEVEL_FATAL, |
| "%s: ipa resource unloading in progress", |
| __func__); |
| ghdd_ipa->pending_cons_req = VOS_TRUE; |
| ret = -EPERM; |
| } |
| #endif /* IPA_UC_OFFLOAD */ |
| return ret; |
| } |
| |
| int hdd_ipa_set_perf_level(hdd_context_t *hdd_ctx, uint64_t tx_packets, |
| uint64_t rx_packets) |
| { |
| uint32_t next_cons_bw, next_prod_bw; |
| struct hdd_ipa_priv *hdd_ipa = hdd_ctx->hdd_ipa; |
| struct ipa_rm_perf_profile profile; |
| int ret; |
| |
| if ((!hdd_ipa_is_enabled(hdd_ctx)) || |
| (!hdd_ipa_is_clk_scaling_enabled(hdd_ipa))) |
| return 0; |
| |
| memset(&profile, 0, sizeof(profile)); |
| |
| if (tx_packets > (hdd_ctx->cfg_ini->busBandwidthHighThreshold / 2)) |
| next_cons_bw = hdd_ctx->cfg_ini->IpaHighBandwidthMbps; |
| else if (tx_packets > |
| (hdd_ctx->cfg_ini->busBandwidthMediumThreshold / 2)) |
| next_cons_bw = hdd_ctx->cfg_ini->IpaMediumBandwidthMbps; |
| else |
| next_cons_bw = hdd_ctx->cfg_ini->IpaLowBandwidthMbps; |
| |
| if (rx_packets > (hdd_ctx->cfg_ini->busBandwidthHighThreshold / 2)) |
| next_prod_bw = hdd_ctx->cfg_ini->IpaHighBandwidthMbps; |
| else if (rx_packets > |
| (hdd_ctx->cfg_ini->busBandwidthMediumThreshold / 2)) |
| next_prod_bw = hdd_ctx->cfg_ini->IpaMediumBandwidthMbps; |
| else |
| next_prod_bw = hdd_ctx->cfg_ini->IpaLowBandwidthMbps; |
| |
| HDD_IPA_LOG(VOS_TRACE_LEVEL_DEBUG, |
| "CONS perf curr: %d, next: %d", |
| hdd_ipa->curr_cons_bw, next_cons_bw); |
| HDD_IPA_LOG(VOS_TRACE_LEVEL_DEBUG, |
| "PROD perf curr: %d, next: %d", |
| hdd_ipa->curr_prod_bw, next_prod_bw); |
| |
| if (hdd_ipa->curr_cons_bw != next_cons_bw) { |
| HDD_IPA_LOG(VOS_TRACE_LEVEL_DEBUG, |
| "Requesting CONS perf curr: %d, next: %d", |
| hdd_ipa->curr_cons_bw, next_cons_bw); |
| profile.max_supported_bandwidth_mbps = next_cons_bw; |
| ret = ipa_rm_set_perf_profile(IPA_RM_RESOURCE_WLAN_CONS, |
| &profile); |
| if (ret) { |
| HDD_IPA_LOG(VOS_TRACE_LEVEL_ERROR, |
| "RM CONS set perf profile failed: %d", |
| ret); |
| |
| return ret; |
| } |
| hdd_ipa->curr_cons_bw = next_cons_bw; |
| hdd_ipa->stats.num_cons_perf_req++; |
| } |
| |
| if (hdd_ipa->curr_prod_bw != next_prod_bw) { |
| HDD_IPA_LOG(VOS_TRACE_LEVEL_DEBUG, |
| "Requesting PROD perf curr: %d, next: %d", |
| hdd_ipa->curr_prod_bw, next_prod_bw); |
| profile.max_supported_bandwidth_mbps = next_prod_bw; |
| ret = ipa_rm_set_perf_profile(IPA_RM_RESOURCE_WLAN_PROD, |
| &profile); |
| if (ret) { |
| HDD_IPA_LOG(VOS_TRACE_LEVEL_ERROR, |
| "RM PROD set perf profile failed: %d", |
| ret); |
| return ret; |
| } |
| hdd_ipa->curr_prod_bw = next_prod_bw; |
| hdd_ipa->stats.num_prod_perf_req++; |
| } |
| |
| return 0; |
| } |
| |
| /** |
| * hdd_ipa_is_present() - get IPA hw status |
| * @hdd_ctx: pointer to hdd context |
| * |
| * ipa_uc_reg_rdyCB is not directly designed to check |
| * ipa hw status. This is an undocumented function which |
| * has confirmed with IPA team. |
| * |
| * Return: true - ipa hw present |
| * false - ipa hw not present |
| */ |
| bool hdd_ipa_is_present(hdd_context_t *hdd_ctx) |
| { |
| /* Check if ipa hw is enabled */ |
| if (ipa_uc_reg_rdyCB(NULL) != -EPERM) |
| return true; |
| else |
| return false; |
| } |
| |
| /** |
| * hdd_ipa_reset_ipaconfig() - reset IpaConfig |
| * @hdd_ctx: pointer to hdd context |
| * @ipaconfig: new value for IpaConfig |
| * |
| * Return: none |
| */ |
| void hdd_ipa_reset_ipaconfig(hdd_context_t *hdd_ctx, v_U32_t ipaconfig) |
| { |
| hdd_ctx->cfg_ini->IpaConfig = ipaconfig; |
| return; |
| } |
| |
| static int hdd_ipa_setup_rm(struct hdd_ipa_priv *hdd_ipa) |
| { |
| struct ipa_rm_create_params create_params = {0}; |
| int ret; |
| |
| if (!hdd_ipa_is_rm_enabled(hdd_ipa)) |
| return 0; |
| |
| vos_init_work(&hdd_ipa->rm_work, hdd_ipa_rm_send_pkt_to_ipa); |
| #ifdef IPA_UC_OFFLOAD |
| vos_init_work(&hdd_ipa->uc_rm_work.work, hdd_ipa_uc_rm_notify_defer); |
| #endif |
| memset(&create_params, 0, sizeof(create_params)); |
| create_params.name = IPA_RM_RESOURCE_WLAN_PROD; |
| create_params.reg_params.user_data = hdd_ipa; |
| create_params.reg_params.notify_cb = hdd_ipa_rm_notify; |
| create_params.floor_voltage = IPA_VOLTAGE_SVS; |
| |
| ret = ipa_rm_create_resource(&create_params); |
| if (ret) { |
| HDD_IPA_LOG(VOS_TRACE_LEVEL_ERROR, |
| "Create RM resource failed: %d", |
| ret); |
| goto setup_rm_fail; |
| } |
| |
| memset(&create_params, 0, sizeof(create_params)); |
| create_params.name = IPA_RM_RESOURCE_WLAN_CONS; |
| create_params.request_resource= hdd_ipa_rm_cons_request; |
| create_params.release_resource= hdd_ipa_rm_cons_release; |
| create_params.floor_voltage = IPA_VOLTAGE_SVS; |
| |
| ret = ipa_rm_create_resource(&create_params); |
| if (ret) { |
| HDD_IPA_LOG(VOS_TRACE_LEVEL_ERROR, |
| "Create RM CONS resource failed: %d", ret); |
| goto delete_prod; |
| } |
| |
| ipa_rm_add_dependency(IPA_RM_RESOURCE_WLAN_PROD, |
| IPA_RM_RESOURCE_APPS_CONS); |
| |
| ret = ipa_rm_inactivity_timer_init(IPA_RM_RESOURCE_WLAN_PROD, |
| HDD_IPA_RX_INACTIVITY_MSEC_DELAY); |
| if (ret) { |
| HDD_IPA_LOG(VOS_TRACE_LEVEL_ERROR, "Timer init failed: %d", |
| ret); |
| goto timer_init_failed; |
| } |
| |
| /* Set the lowest bandwidth to start with */ |
| ret = hdd_ipa_set_perf_level(hdd_ipa->hdd_ctx, 0, 0); |
| |
| if (ret) { |
| HDD_IPA_LOG(VOS_TRACE_LEVEL_ERROR, |
| "Set perf level failed: %d", ret); |
| goto set_perf_failed; |
| } |
| |
| vos_wake_lock_init(&hdd_ipa->wake_lock, "wlan_ipa"); |
| vos_init_delayed_work(&hdd_ipa->wake_lock_work, |
| hdd_ipa_wake_lock_timer_func); |
| adf_os_spinlock_init(&hdd_ipa->rm_lock); |
| hdd_ipa->rm_state = HDD_IPA_RM_RELEASED; |
| hdd_ipa->wake_lock_released = true; |
| atomic_set(&hdd_ipa->tx_ref_cnt, 0); |
| |
| return ret; |
| |
| set_perf_failed: |
| ipa_rm_inactivity_timer_destroy(IPA_RM_RESOURCE_WLAN_PROD); |
| |
| timer_init_failed: |
| ipa_rm_delete_resource(IPA_RM_RESOURCE_WLAN_CONS); |
| |
| delete_prod: |
| ipa_rm_delete_resource(IPA_RM_RESOURCE_WLAN_PROD); |
| |
| setup_rm_fail: |
| return ret; |
| } |
| |
| static void hdd_ipa_destory_rm_resource(struct hdd_ipa_priv *hdd_ipa) |
| { |
| int ret; |
| |
| if (!hdd_ipa_is_rm_enabled(hdd_ipa)) |
| return; |
| |
| cancel_delayed_work_sync(&hdd_ipa->wake_lock_work); |
| vos_wake_lock_destroy(&hdd_ipa->wake_lock); |
| |
| #ifdef WLAN_OPEN_SOURCE |
| cancel_work_sync(&hdd_ipa->rm_work); |
| #ifdef IPA_UC_OFFLOAD |
| cancel_work_sync(&hdd_ipa->uc_rm_work.work); |
| #endif |
| #endif |
| adf_os_spinlock_destroy(&hdd_ipa->rm_lock); |
| |
| ipa_rm_inactivity_timer_destroy(IPA_RM_RESOURCE_WLAN_PROD); |
| |
| ret = ipa_rm_delete_resource(IPA_RM_RESOURCE_WLAN_PROD); |
| if (ret) |
| HDD_IPA_LOG(VOS_TRACE_LEVEL_ERROR, |
| "RM PROD resource delete failed %d", ret); |
| |
| ret = ipa_rm_delete_resource(IPA_RM_RESOURCE_WLAN_CONS); |
| if (ret) |
| HDD_IPA_LOG(VOS_TRACE_LEVEL_ERROR, |
| "RM CONS resource delete failed %d", ret); |
| } |
| |
| #define IPA_WLAN_RX_SOFTIRQ_THRESH 16 |
| |
| static void hdd_ipa_send_skb_to_network(adf_nbuf_t skb, hdd_adapter_t *adapter) |
| { |
| int result; |
| #ifndef QCA_CONFIG_SMP |
| struct iphdr* ip_h; |
| static atomic_t softirq_mitigation_cntr = |
| ATOMIC_INIT(IPA_WLAN_RX_SOFTIRQ_THRESH); |
| #endif |
| struct hdd_ipa_priv *hdd_ipa = ghdd_ipa; |
| unsigned int cpu_index; |
| |
| if (!adapter || adapter->magic != WLAN_HDD_ADAPTER_MAGIC) { |
| HDD_IPA_LOG(VOS_TRACE_LEVEL_INFO_LOW, "Invalid adapter: 0x%pK", |
| adapter); |
| HDD_IPA_INCREASE_INTERNAL_DROP_COUNT(hdd_ipa); |
| adf_nbuf_free(skb); |
| return; |
| } |
| |
| if (hdd_ipa->hdd_ctx->isUnloadInProgress) { |
| HDD_IPA_INCREASE_INTERNAL_DROP_COUNT(hdd_ipa); |
| adf_nbuf_free(skb); |
| return; |
| } |
| |
| skb->destructor = hdd_ipa_uc_rt_debug_destructor; |
| skb->dev = adapter->dev; |
| skb->protocol = eth_type_trans(skb, skb->dev); |
| skb->ip_summed = CHECKSUM_NONE; |
| |
| cpu_index = wlan_hdd_get_cpu(); |
| |
| ++adapter->hdd_stats.hddTxRxStats.rxPackets[cpu_index]; |
| #ifdef QCA_CONFIG_SMP |
| result = netif_rx_ni(skb); |
| #else |
| ip_h = (struct iphdr*)((uint8_t*)skb->data); |
| if ((skb->protocol == htons(ETH_P_IP)) && |
| (ip_h->protocol == IPPROTO_ICMP)) { |
| result = netif_rx_ni(skb); |
| } else { |
| /* Call netif_rx_ni for every IPA_WLAN_RX_SOFTIRQ_THRESH packets |
| * to avoid excessive softirq's. |
| */ |
| if (atomic_dec_and_test(&softirq_mitigation_cntr)){ |
| result = netif_rx_ni(skb); |
| atomic_set(&softirq_mitigation_cntr, |
| IPA_WLAN_RX_SOFTIRQ_THRESH); |
| } else { |
| result = netif_rx(skb); |
| } |
| } |
| #endif |
| if (result == NET_RX_SUCCESS) |
| ++adapter->hdd_stats.hddTxRxStats.rxDelivered[cpu_index]; |
| else |
| ++adapter->hdd_stats.hddTxRxStats.rxRefused[cpu_index]; |
| |
| HDD_IPA_INCREASE_NET_SEND_COUNT(hdd_ipa); |
| //adapter->dev->last_rx = jiffies; |
| } |
| |
| VOS_STATUS hdd_ipa_process_rxt(v_VOID_t *vosContext, adf_nbuf_t rx_buf_list, |
| v_U8_t sta_id) |
| { |
| struct hdd_ipa_priv *hdd_ipa = ghdd_ipa; |
| hdd_adapter_t *adapter = NULL; |
| struct hdd_ipa_iface_context *iface_context = NULL; |
| adf_nbuf_t buf, next_buf; |
| uint8_t cur_cnt = 0; |
| struct hdd_ipa_cld_hdr *cld_hdr; |
| struct ipa_tx_data_desc *send_desc = NULL; |
| |
| if (!hdd_ipa_is_enabled(hdd_ipa->hdd_ctx)) |
| return VOS_STATUS_E_INVAL; |
| |
| adapter = hdd_ipa->hdd_ctx->sta_to_adapter[sta_id]; |
| if (!adapter || !adapter->ipa_context || |
| adapter->magic != WLAN_HDD_ADAPTER_MAGIC) { |
| HDD_IPA_LOG(VOS_TRACE_LEVEL_INFO_LOW, "Invalid sta_id: %d", |
| sta_id); |
| hdd_ipa->stats.num_rx_drop++; |
| if (adapter) |
| adapter->stats.rx_dropped++; |
| return VOS_STATUS_E_FAILURE; |
| } |
| |
| iface_context = (struct hdd_ipa_iface_context *) adapter->ipa_context; |
| |
| buf = rx_buf_list; |
| while (buf) { |
| HDD_IPA_DBG_DUMP(VOS_TRACE_LEVEL_DEBUG, "RX data", |
| buf->data, DBG_DUMP_RX_LEN); |
| |
| next_buf = adf_nbuf_queue_next(buf); |
| adf_nbuf_set_next(buf, NULL); |
| |
| adapter->stats.rx_packets++; |
| adapter->stats.rx_bytes += buf->len; |
| /* |
| * we want to send Rx packets to IPA only when it is |
| * IPV4 or IPV6 (if IPV6 is enabled). All other packets |
| * will be sent to network stack directly. |
| */ |
| if (!hdd_ipa_can_send_to_ipa(adapter, hdd_ipa, buf->data)) { |
| iface_context->stats.num_rx_prefilter++; |
| hdd_ipa_send_skb_to_network(buf, adapter); |
| buf = next_buf; |
| continue; |
| } |
| |
| cld_hdr = (struct hdd_ipa_cld_hdr *) skb_push(buf, |
| HDD_IPA_WLAN_CLD_HDR_LEN); |
| cld_hdr->sta_id = sta_id; |
| cld_hdr->iface_id = iface_context->iface_id; |
| |
| send_desc = hdd_ipa_alloc_data_desc(hdd_ipa, 0); |
| if (!send_desc) { |
| adf_nbuf_free(buf); /*No desc available; drop*/ |
| buf = next_buf; |
| iface_context->stats.num_rx_send_desc_err++; |
| continue; |
| } |
| |
| send_desc->priv = buf; |
| send_desc->pyld_buffer = buf->data; |
| send_desc->pyld_len = buf->len; |
| SPIN_LOCK_BH(&hdd_ipa->q_lock); |
| list_add_tail(&send_desc->link, &hdd_ipa->pend_desc_head); |
| hdd_ipa->pend_q_cnt++; |
| SPIN_UNLOCK_BH(&hdd_ipa->q_lock); |
| cur_cnt++; |
| buf = next_buf; |
| } |
| |
| iface_context->stats.num_rx_recv += cur_cnt; |
| if (cur_cnt > 1) |
| iface_context->stats.num_rx_recv_mul++; |
| |
| if (cur_cnt > iface_context->stats.max_rx_mul) |
| iface_context->stats.max_rx_mul = cur_cnt; |
| |
| if (hdd_ipa->pend_q_cnt > hdd_ipa->stats.max_pend_q_cnt) |
| hdd_ipa->stats.max_pend_q_cnt = hdd_ipa->pend_q_cnt; |
| |
| if (cur_cnt && hdd_ipa_rm_request(hdd_ipa) == 0) { |
| hdd_ipa_send_pkt_to_ipa(hdd_ipa); |
| } |
| |
| return VOS_STATUS_SUCCESS; |
| } |
| |
| static void hdd_ipa_set_adapter_ip_filter(hdd_adapter_t *adapter) |
| { |
| struct in_ifaddr **ifap = NULL; |
| struct in_ifaddr *ifa = NULL; |
| struct in_device *in_dev; |
| struct net_device *dev; |
| struct hdd_ipa_iface_context *iface_context; |
| |
| iface_context = (struct hdd_ipa_iface_context *)adapter->ipa_context; |
| dev = adapter->dev; |
| if (!dev || !iface_context) { |
| return; |
| } |
| /* This optimization not needed for Station mode one of |
| * the reason being sta-usb tethered mode |
| */ |
| if (adapter->device_mode == WLAN_HDD_INFRA_STATION) { |
| iface_context->ifa_address = 0; |
| return; |
| } |
| |
| |
| /* Get IP address */ |
| if (dev->priv_flags & IFF_BRIDGE_PORT) { |
| #ifdef WLAN_OPEN_SOURCE |
| rcu_read_lock(); |
| #endif |
| dev = netdev_master_upper_dev_get_rcu(adapter->dev); |
| #ifdef WLAN_OPEN_SOURCE |
| rcu_read_unlock(); |
| #endif |
| if (!dev) |
| return; |
| } |
| if ((in_dev = __in_dev_get_rtnl(dev)) != NULL) { |
| for (ifap = &in_dev->ifa_list; (ifa = *ifap) != NULL; |
| ifap = &ifa->ifa_next) { |
| if (dev->name && !strcmp(dev->name, ifa->ifa_label)) |
| break; /* found */ |
| } |
| } |
| if(ifa && ifa->ifa_address) { |
| iface_context->ifa_address = ifa->ifa_address; |
| |
| HDD_IPA_LOG(VOS_TRACE_LEVEL_INFO,"%s: %d.%d.%d.%d", dev->name, |
| iface_context->ifa_address & 0x000000ff, |
| iface_context->ifa_address >> 8 & 0x000000ff, |
| iface_context->ifa_address >> 16 & 0x000000ff, |
| iface_context->ifa_address >> 24 & 0x000000ff); |
| } |
| } |
| |
| static int hdd_ipa_ipv4_changed(struct notifier_block *nb, |
| unsigned long data, void *arg) |
| { |
| struct hdd_ipa_priv *hdd_ipa = ghdd_ipa; |
| hdd_adapter_list_node_t *padapter_node = NULL, *pnext = NULL; |
| hdd_adapter_t *padapter; |
| VOS_STATUS status; |
| HDD_IPA_LOG(VOS_TRACE_LEVEL_INFO, |
| "IPv4 Change detected. Updating wlan IPv4 local filters"); |
| |
| status = hdd_get_front_adapter(hdd_ipa->hdd_ctx, &padapter_node); |
| while (padapter_node && VOS_STATUS_SUCCESS == status) { |
| padapter = padapter_node->pAdapter; |
| if (padapter) |
| hdd_ipa_set_adapter_ip_filter(padapter); |
| |
| status = hdd_get_next_adapter(hdd_ipa->hdd_ctx, padapter_node, &pnext); |
| padapter_node = pnext; |
| } |
| return 0; |
| } |
| |
| #if defined(IPA_UC_OFFLOAD) && defined(INTRA_BSS_FWD_OFFLOAD) |
| /** |
| * hdd_ipa_intrabss_forward() - Forward intra bss packets. |
| * @hdd_ipa: pointer to HDD IPA struct |
| * @adapter: hdd adapter pointer |
| * @desc: Firmware descriptor |
| * @skb: Data buffer |
| * |
| * Return |
| * HDD_IPA_FORWARD_PKT_NONE |
| * HDD_IPA_FORWARD_PKT_DISCARD |
| * HDD_IPA_FORWARD_PKT_LOCAL_STACK |
| * |
| */ |
| |
| static enum hdd_ipa_forward_type hdd_ipa_intrabss_forward( |
| struct hdd_ipa_priv *hdd_ipa, |
| hdd_adapter_t *adapter, |
| uint8_t desc, |
| adf_nbuf_t skb) |
| { |
| int xmit_status = -1; |
| int ret = HDD_IPA_FORWARD_PKT_NONE; |
| |
| if ((desc & FW_RX_DESC_FORWARD_M)) { |
| HDD_IPA_DP_LOG(VOS_TRACE_LEVEL_DEBUG, |
| "Forward packet to Tx (fw_desc=%d)", desc); |
| hdd_ipa->ipa_tx_forward++; |
| |
| if ((desc & FW_RX_DESC_DISCARD_M)) { |
| xmit_status = hdd_softap_hard_start_xmit( |
| skb, adapter->dev); |
| hdd_ipa->ipa_rx_internel_drop_count++; |
| hdd_ipa->ipa_rx_discard++; |
| ret = HDD_IPA_FORWARD_PKT_DISCARD; |
| } else { |
| struct sk_buff *cloned_skb = skb_clone(skb, GFP_ATOMIC); |
| if (cloned_skb) |
| xmit_status = hdd_softap_hard_start_xmit( |
| cloned_skb, adapter->dev); |
| else |
| HDD_IPA_LOG(VOS_TRACE_LEVEL_ERROR, |
| "%s: tx skb alloc failed", |
| __func__); |
| ret = HDD_IPA_FORWARD_PKT_LOCAL_STACK; |
| } |
| |
| if (NETDEV_TX_OK == xmit_status) { |
| hdd_ipa->stats.num_tx_fwd_ok++; |
| } else { |
| HDD_IPA_LOG(VOS_TRACE_LEVEL_DEBUG, |
| "Forward packet Tx fail"); |
| hdd_ipa->stats.num_tx_fwd_err++; |
| } |
| } |
| |
| return ret; |
| } |
| #endif |
| |
| static void hdd_ipa_w2i_cb(void *priv, enum ipa_dp_evt_type evt, |
| unsigned long data) |
| { |
| struct hdd_ipa_priv *hdd_ipa = NULL; |
| hdd_adapter_t *adapter = NULL; |
| struct ipa_tx_data_desc *done_desc_head, *done_desc, *tmp; |
| adf_nbuf_t skb; |
| uint8_t iface_id; |
| struct hdd_ipa_iface_context *iface_context; |
| #ifdef IPA_UC_OFFLOAD |
| uint8_t session_id; |
| #ifdef INTRA_BSS_FWD_OFFLOAD |
| uint8_t fw_desc; |
| #endif |
| #endif |
| |
| adf_nbuf_t buf; |
| |
| hdd_ipa = (struct hdd_ipa_priv *)priv; |
| |
| if (!hdd_ipa || wlan_hdd_validate_context(hdd_ipa->hdd_ctx)) |
| return; |
| |
| switch (evt) { |
| case IPA_RECEIVE: |
| skb = (adf_nbuf_t) data; |
| |
| #ifdef IPA_UC_OFFLOAD |
| if (hdd_ipa_uc_is_enabled(hdd_ipa)) { |
| session_id = (uint8_t)skb->cb[0]; |
| iface_id = vdev_to_iface[session_id]; |
| HDD_IPA_DP_LOG(VOS_TRACE_LEVEL_INFO_HIGH, |
| "IPA_RECEIVE: session_id=%u, iface_id=%u", |
| session_id, iface_id); |
| } else |
| #endif /* IPA_UC_OFFLOAD */ |
| { |
| iface_id = HDD_IPA_GET_IFACE_ID(skb->data); |
| } |
| |
| if (iface_id >= HDD_IPA_MAX_IFACE) { |
| HDD_IPA_LOG(VOS_TRACE_LEVEL_ERROR, |
| "IPA_RECEIVE: Invalid iface_id: %u", |
| iface_id); |
| HDD_IPA_DBG_DUMP(VOS_TRACE_LEVEL_INFO_HIGH, |
| "w2i -- skb", skb->data, DBG_DUMP_RX_LEN); |
| HDD_IPA_INCREASE_INTERNAL_DROP_COUNT(hdd_ipa); |
| adf_nbuf_free(skb); |
| return; |
| } |
| |
| iface_context = &hdd_ipa->iface_context[iface_id]; |
| adapter = iface_context->adapter; |
| |
| HDD_IPA_DBG_DUMP(VOS_TRACE_LEVEL_DEBUG, |
| "w2i -- skb", skb->data, DBG_DUMP_RX_LEN); |
| #ifdef IPA_UC_OFFLOAD |
| if (hdd_ipa_uc_is_enabled(hdd_ipa)) { |
| hdd_ipa->stats.num_rx_excep++; |
| skb_pull(skb, HDD_IPA_UC_WLAN_CLD_HDR_LEN); |
| } else |
| #endif /* IPA_UC_OFFLOAD */ |
| { |
| skb_pull(skb, HDD_IPA_WLAN_CLD_HDR_LEN); |
| } |
| |
| iface_context->stats.num_rx_ipa_excep++; |
| |
| #if defined(IPA_UC_OFFLOAD) && defined(INTRA_BSS_FWD_OFFLOAD) |
| /* Disable to forward Intra-BSS Rx packets when |
| * ap_isolate=1 in hostapd.conf |
| */ |
| if ((NULL != iface_context->tl_context) && |
| !WLANTL_disable_intrabss_fwd(iface_context->tl_context)) |
| { |
| /* |
| * When INTRA_BSS_FWD_OFFLOAD is enabled, FW will send |
| * all Rx packets to IPA uC, which need to be forwarded |
| * to other interface. |
| * And, IPA driver will send back to WLAN host driver |
| * through exception pipe with fw_desc field set by FW. |
| * Here we are checking fw_desc field for FORWARD bit |
| * set, and forward to Tx. Then copy to kernel stack |
| * only when DISCARD bit is not set. |
| */ |
| fw_desc = (uint8_t)skb->cb[1]; |
| |
| if (HDD_IPA_FORWARD_PKT_DISCARD == |
| hdd_ipa_intrabss_forward(hdd_ipa, adapter, |
| fw_desc, skb)) |
| break; |
| } else { |
| HDD_IPA_LOG(VOS_TRACE_LEVEL_INFO_HIGH, |
| "Intra-BSS FWD is disabled-skip forward to Tx"); |
| } |
| #endif |
| |
| hdd_ipa_send_skb_to_network(skb, adapter); |
| break; |
| case IPA_WRITE_DONE: |
| done_desc_head = (struct ipa_tx_data_desc *)data; |
| list_for_each_entry_safe(done_desc, tmp, |
| &done_desc_head->link, link) { |
| list_del(&done_desc->link); |
| buf = done_desc->priv; |
| adf_nbuf_free(buf); |
| hdd_ipa_free_data_desc(hdd_ipa, done_desc); |
| SPIN_LOCK_BH(&hdd_ipa->q_lock); |
| hdd_ipa->pending_hw_desc_cnt--; |
| SPIN_UNLOCK_BH(&hdd_ipa->q_lock); |
| hdd_ipa->stats.num_rx_ipa_write_done++; |
| } |
| /* add anchor node also back to free list */ |
| hdd_ipa_free_data_desc(hdd_ipa, done_desc_head); |
| |
| hdd_ipa_send_pkt_to_ipa(hdd_ipa); |
| |
| hdd_ipa_rm_try_release(hdd_ipa); |
| break; |
| default: |
| HDD_IPA_LOG(VOS_TRACE_LEVEL_ERROR, |
| "w2i cb wrong event: 0x%x", evt); |
| return; |
| } |
| } |
| |
| #ifdef QCA_MDM_DEVICE |
| static void hdd_ipa_nbuf_cb(adf_nbuf_t skb) |
| { |
| struct hdd_ipa_priv *hdd_ipa = ghdd_ipa; |
| |
| HDD_IPA_DP_LOG(VOS_TRACE_LEVEL_DEBUG, "%lx", NBUF_OWNER_PRIV_DATA(skb)); |
| ipa_free_skb((struct ipa_rx_data *) NBUF_OWNER_PRIV_DATA(skb)); |
| |
| hdd_ipa->stats.num_tx_comp_cnt++; |
| |
| atomic_dec(&hdd_ipa->tx_ref_cnt); |
| |
| hdd_ipa_rm_try_release(hdd_ipa); |
| } |
| #endif /* QCA_MDM_DEVICE */ |
| |
| static void hdd_ipa_send_pkt_to_tl(struct hdd_ipa_iface_context *iface_context, |
| struct ipa_rx_data *ipa_tx_desc) |
| { |
| struct hdd_ipa_priv *hdd_ipa = iface_context->hdd_ipa; |
| v_U8_t interface_id; |
| hdd_adapter_t *adapter = NULL; |
| adf_nbuf_t skb; |
| |
| adf_os_spin_lock_bh(&iface_context->interface_lock); |
| adapter = iface_context->adapter; |
| if (!adapter) { |
| HDD_IPA_LOG(VOS_TRACE_LEVEL_WARN, "Interface Down"); |
| ipa_free_skb(ipa_tx_desc); |
| iface_context->stats.num_tx_drop++; |
| adf_os_spin_unlock_bh(&iface_context->interface_lock); |
| hdd_ipa_rm_try_release(hdd_ipa); |
| return; |
| } |
| |
| /* |
| * During CAC period, data packets shouldn't be sent over the air so |
| * drop all the packets here |
| */ |
| if (WLAN_HDD_SOFTAP == adapter->device_mode || |
| WLAN_HDD_P2P_GO == adapter->device_mode) { |
| if (WLAN_HDD_GET_AP_CTX_PTR(adapter)->dfs_cac_block_tx) { |
| ipa_free_skb(ipa_tx_desc); |
| adf_os_spin_unlock_bh(&iface_context->interface_lock); |
| iface_context->stats.num_tx_cac_drop++; |
| hdd_ipa_rm_try_release(hdd_ipa); |
| return; |
| } |
| } |
| |
| interface_id = adapter->sessionId; |
| ++adapter->stats.tx_packets; |
| |
| adf_os_spin_unlock_bh(&iface_context->interface_lock); |
| |
| skb = ipa_tx_desc->skb; |
| |
| adf_os_mem_set(skb->cb, 0, sizeof(skb->cb)); |
| #ifdef QCA_MDM_DEVICE |
| NBUF_OWNER_ID(skb) = IPA_NBUF_OWNER_ID; |
| NBUF_CALLBACK_FN(skb) = hdd_ipa_nbuf_cb; |
| #ifdef IPA_UC_STA_OFFLOAD |
| NBUF_MAPPED_PADDR_LO(skb) = ipa_tx_desc->dma_addr |
| + sizeof(struct frag_header) + sizeof(struct ipa_header); |
| ipa_tx_desc->skb->len -= |
| sizeof(struct frag_header) + sizeof(struct ipa_header); |
| #else |
| NBUF_MAPPED_PADDR_LO(skb) = ipa_tx_desc->dma_addr; |
| #endif |
| |
| NBUF_OWNER_PRIV_DATA(skb) = (unsigned long)ipa_tx_desc; |
| #endif /* QCA_MDM_DEVICE */ |
| |
| adapter->stats.tx_bytes += ipa_tx_desc->skb->len; |
| |
| skb = WLANTL_SendIPA_DataFrame(hdd_ipa->hdd_ctx->pvosContext, |
| iface_context->tl_context, ipa_tx_desc->skb, |
| interface_id); |
| if (skb) { |
| HDD_IPA_LOG(VOS_TRACE_LEVEL_DEBUG, "TLSHIM tx fail"); |
| ipa_free_skb(ipa_tx_desc); |
| iface_context->stats.num_tx_err++; |
| hdd_ipa_rm_try_release(hdd_ipa); |
| return; |
| } |
| |
| atomic_inc(&hdd_ipa->tx_ref_cnt); |
| |
| iface_context->stats.num_tx++; |
| |
| } |
| |
| static void hdd_ipa_pm_send_pkt_to_tl(struct work_struct *work) |
| { |
| struct hdd_ipa_priv *hdd_ipa = container_of(work, |
| struct hdd_ipa_priv, pm_work); |
| struct hdd_ipa_pm_tx_cb *pm_tx_cb = NULL; |
| adf_nbuf_t skb; |
| uint32_t dequeued = 0; |
| |
| adf_os_spin_lock_bh(&hdd_ipa->pm_lock); |
| |
| while (((skb = adf_nbuf_queue_remove(&hdd_ipa->pm_queue_head)) != |
| NULL)) { |
| adf_os_spin_unlock_bh(&hdd_ipa->pm_lock); |
| |
| pm_tx_cb = (struct hdd_ipa_pm_tx_cb *)skb->cb; |
| |
| dequeued++; |
| |
| hdd_ipa_send_pkt_to_tl(pm_tx_cb->iface_context, |
| pm_tx_cb->ipa_tx_desc); |
| |
| adf_os_spin_lock_bh(&hdd_ipa->pm_lock); |
| } |
| |
| adf_os_spin_unlock_bh(&hdd_ipa->pm_lock); |
| |
| hdd_ipa->stats.num_tx_dequeued += dequeued; |
| if (dequeued > hdd_ipa->stats.num_max_pm_queue) |
| hdd_ipa->stats.num_max_pm_queue = dequeued; |
| } |
| |
| static void hdd_ipa_i2w_cb(void *priv, enum ipa_dp_evt_type evt, |
| unsigned long data) |
| { |
| struct hdd_ipa_priv *hdd_ipa = NULL; |
| struct ipa_rx_data *ipa_tx_desc; |
| struct hdd_ipa_iface_context *iface_context; |
| adf_nbuf_t skb; |
| struct hdd_ipa_pm_tx_cb *pm_tx_cb = NULL; |
| VOS_STATUS status = VOS_STATUS_SUCCESS; |
| |
| iface_context = (struct hdd_ipa_iface_context *) priv; |
| ipa_tx_desc = (struct ipa_rx_data *)data; |
| hdd_ipa = iface_context->hdd_ipa; |
| |
| if (evt != IPA_RECEIVE) { |
| HDD_IPA_LOG(VOS_TRACE_LEVEL_ERROR, "Event is not IPA_RECEIVE"); |
| ipa_free_skb(ipa_tx_desc); |
| iface_context->stats.num_tx_drop++; |
| return; |
| } |
| |
| /* |
| * When SSR is going on or driver is unloading, just drop the packets. |
| * During SSR, there is no use in queueing the packets as STA has to |
| * connect back any way |
| */ |
| status = wlan_hdd_validate_context(hdd_ipa->hdd_ctx); |
| if (0 != status) { |
| ipa_free_skb(ipa_tx_desc); |
| iface_context->stats.num_tx_drop++; |
| return; |
| } |
| |
| skb = ipa_tx_desc->skb; |
| |
| HDD_IPA_DBG_DUMP(VOS_TRACE_LEVEL_DEBUG, |
| "i2w", skb->data, DBG_DUMP_TX_LEN); |
| |
| /* |
| * If PROD resource is not requested here then there may be cases where |
| * IPA hardware may be clocked down because of not having proper |
| * dependency graph between WLAN CONS and modem PROD pipes. Adding the |
| * workaround to request PROD resource while data is going over CONS |
| * pipe to prevent the IPA hardware clockdown. |
| */ |
| hdd_ipa_rm_request(hdd_ipa); |
| |
| |
| adf_os_spin_lock_bh(&hdd_ipa->pm_lock); |
| /* |
| * If host is still suspended then queue the packets and these will be |
| * drained later when resume completes. When packet is arrived here and |
| * host is suspended, this means that there is already resume is in |
| * progress. |
| */ |
| if (hdd_ipa->suspended) { |
| adf_os_mem_set(skb->cb, 0, sizeof(skb->cb)); |
| pm_tx_cb = (struct hdd_ipa_pm_tx_cb *)skb->cb; |
| pm_tx_cb->iface_context = iface_context; |
| pm_tx_cb->ipa_tx_desc = ipa_tx_desc; |
| adf_nbuf_queue_add(&hdd_ipa->pm_queue_head, skb); |
| hdd_ipa->stats.num_tx_queued++; |
| |
| adf_os_spin_unlock_bh(&hdd_ipa->pm_lock); |
| return; |
| } |
| |
| adf_os_spin_unlock_bh(&hdd_ipa->pm_lock); |
| |
| /* |
| * If we are here means, host is not suspended, wait for the work queue |
| * to finish. |
| */ |
| #ifdef WLAN_OPEN_SOURCE |
| flush_work(&hdd_ipa->pm_work); |
| #endif |
| |
| return hdd_ipa_send_pkt_to_tl(iface_context, ipa_tx_desc); |
| } |
| |
| int hdd_ipa_suspend(hdd_context_t *hdd_ctx) |
| { |
| struct hdd_ipa_priv *hdd_ipa = hdd_ctx->hdd_ipa; |
| |
| if (!hdd_ipa_is_enabled(hdd_ctx)) |
| return 0; |
| |
| /* |
| * Check if IPA is ready for suspend, If we are here means, there is |
| * high chance that suspend would go through but just to avoid any race |
| * condition after suspend started, these checks are conducted before |
| * allowing to suspend. |
| */ |
| if (atomic_read(&hdd_ipa->tx_ref_cnt)) |
| return -EAGAIN; |
| |
| adf_os_spin_lock_bh(&hdd_ipa->rm_lock); |
| |
| if (hdd_ipa->rm_state != HDD_IPA_RM_RELEASED) { |
| adf_os_spin_unlock_bh(&hdd_ipa->rm_lock); |
| return -EAGAIN; |
| } |
| adf_os_spin_unlock_bh(&hdd_ipa->rm_lock); |
| |
| adf_os_spin_lock_bh(&hdd_ipa->pm_lock); |
| hdd_ipa->suspended = true; |
| adf_os_spin_unlock_bh(&hdd_ipa->pm_lock); |
| |
| return 0; |
| } |
| |
| int hdd_ipa_resume(hdd_context_t *hdd_ctx) |
| { |
| struct hdd_ipa_priv *hdd_ipa = hdd_ctx->hdd_ipa; |
| |
| if (!hdd_ipa_is_enabled(hdd_ctx)) |
| return 0; |
| |
| schedule_work(&hdd_ipa->pm_work); |
| |
| adf_os_spin_lock_bh(&hdd_ipa->pm_lock); |
| hdd_ipa->suspended = false; |
| adf_os_spin_unlock_bh(&hdd_ipa->pm_lock); |
| |
| return 0; |
| } |
| |
| static int hdd_ipa_setup_sys_pipe(struct hdd_ipa_priv *hdd_ipa) |
| { |
| int i, ret = 0; |
| struct ipa_sys_connect_params *ipa; |
| uint32_t desc_fifo_sz; |
| |
| /* The maximum number of descriptors that can be provided to a BAM at |
| * once is one less than the total number of descriptors that the buffer |
| * can contain. |
| * If max_num_of_descriptors = (BAM_PIPE_DESCRIPTOR_FIFO_SIZE / sizeof |
| * (SPS_DESCRIPTOR)), then (max_num_of_descriptors - 1) descriptors can |
| * be provided at once. |
| * Because of above requirement, one extra descriptor will be added to |
| * make sure hardware always has one descriptor. |
| */ |
| desc_fifo_sz = hdd_ipa->hdd_ctx->cfg_ini->IpaDescSize |
| + sizeof(struct sps_iovec); |
| |
| /*setup TX pipes */ |
| for (i = 0; i < HDD_IPA_MAX_IFACE; i++) { |
| ipa = &hdd_ipa->sys_pipe[i].ipa_sys_params; |
| |
| ipa->client = hdd_ipa_adapter_2_client[i].cons_client; |
| ipa->desc_fifo_sz = desc_fifo_sz; |
| ipa->priv = &hdd_ipa->iface_context[i]; |
| ipa->notify = hdd_ipa_i2w_cb; |
| |
| #ifdef IPA_UC_STA_OFFLOAD |
| ipa->ipa_ep_cfg.hdr.hdr_len = HDD_IPA_UC_WLAN_TX_HDR_LEN; |
| ipa->ipa_ep_cfg.nat.nat_en = IPA_BYPASS_NAT; |
| ipa->ipa_ep_cfg.hdr.hdr_ofst_pkt_size_valid = 1; |
| ipa->ipa_ep_cfg.hdr.hdr_ofst_pkt_size = 0; |
| ipa->ipa_ep_cfg.hdr.hdr_additional_const_len = |
| HDD_IPA_UC_WLAN_8023_HDR_SIZE; |
| ipa->ipa_ep_cfg.hdr_ext.hdr_little_endian = true; |
| #else |
| ipa->ipa_ep_cfg.hdr.hdr_len = HDD_IPA_WLAN_TX_HDR_LEN; |
| #endif |
| ipa->ipa_ep_cfg.mode.mode = IPA_BASIC; |
| |
| if (!hdd_ipa_is_rm_enabled(hdd_ipa)) |
| ipa->keep_ipa_awake = 1; |
| |
| ret = ipa_setup_sys_pipe(ipa, &(hdd_ipa->sys_pipe[i].conn_hdl)); |
| if (ret) { |
| HDD_IPA_LOG(VOS_TRACE_LEVEL_ERROR, "Failed for pipe %d" |
| " ret: %d", i, ret); |
| goto setup_sys_pipe_fail; |
| } |
| hdd_ipa->sys_pipe[i].conn_hdl_valid = 1; |
| } |
| |
| #ifndef IPA_UC_STA_OFFLOAD |
| /* |
| * Hard code it here, this can be extended if in case PROD pipe is also |
| * per interface. Right now there is no advantage of doing this. |
| */ |
| hdd_ipa->prod_client = IPA_CLIENT_WLAN1_PROD; |
| |
| ipa = &hdd_ipa->sys_pipe[HDD_IPA_RX_PIPE].ipa_sys_params; |
| |
| ipa->client = hdd_ipa->prod_client; |
| |
| ipa->desc_fifo_sz = desc_fifo_sz; |
| ipa->priv = hdd_ipa; |
| ipa->notify = hdd_ipa_w2i_cb; |
| |
| ipa->ipa_ep_cfg.nat.nat_en = IPA_BYPASS_NAT; |
| ipa->ipa_ep_cfg.hdr.hdr_len = HDD_IPA_WLAN_RX_HDR_LEN; |
| ipa->ipa_ep_cfg.hdr.hdr_ofst_metadata_valid = 1; |
| ipa->ipa_ep_cfg.mode.mode = IPA_BASIC; |
| |
| if (!hdd_ipa_is_rm_enabled(hdd_ipa)) |
| ipa->keep_ipa_awake = 1; |
| |
| ret = ipa_setup_sys_pipe(ipa, &(hdd_ipa->sys_pipe[i].conn_hdl)); |
| if (ret) { |
| HDD_IPA_LOG(VOS_TRACE_LEVEL_ERROR, "Failed for RX pipe: %d", |
| ret); |
| goto setup_sys_pipe_fail; |
| } |
| hdd_ipa->sys_pipe[HDD_IPA_RX_PIPE].conn_hdl_valid = 1; |
| #endif /* IPA_UC_STA_OFFLOAD */ |
| |
| return ret; |
| |
| setup_sys_pipe_fail: |
| |
| while (--i >= 0) { |
| ipa_teardown_sys_pipe(hdd_ipa->sys_pipe[i].conn_hdl); |
| adf_os_mem_zero(&hdd_ipa->sys_pipe[i], |
| sizeof(struct hdd_ipa_sys_pipe )); |
| } |
| |
| return ret; |
| } |
| |
| /* Disconnect all the Sys pipes */ |
| static void hdd_ipa_teardown_sys_pipe(struct hdd_ipa_priv *hdd_ipa) |
| { |
| int ret = 0, i; |
| for (i = 0; i < HDD_IPA_MAX_SYSBAM_PIPE; i++) { |
| if (hdd_ipa->sys_pipe[i].conn_hdl_valid) { |
| ret = ipa_teardown_sys_pipe( |
| hdd_ipa->sys_pipe[i].conn_hdl); |
| if (ret) |
| HDD_IPA_LOG(VOS_TRACE_LEVEL_ERROR, "Failed: %d", |
| ret); |
| |
| hdd_ipa->sys_pipe[i].conn_hdl_valid = 0; |
| } |
| } |
| } |
| |
| static int hdd_ipa_register_interface(struct hdd_ipa_priv *hdd_ipa, |
| struct hdd_ipa_iface_context *iface_context) |
| { |
| struct ipa_tx_intf tx_intf; |
| struct ipa_rx_intf rx_intf; |
| struct ipa_ioc_tx_intf_prop *tx_prop = NULL; |
| struct ipa_ioc_rx_intf_prop *rx_prop = NULL; |
| char *ifname = iface_context->adapter->dev->name; |
| |
| char ipv4_hdr_name[IPA_RESOURCE_NAME_MAX]; |
| char ipv6_hdr_name[IPA_RESOURCE_NAME_MAX]; |
| |
| int num_prop = 1; |
| int ret = 0; |
| |
| if (hdd_ipa_is_ipv6_enabled(hdd_ipa)) |
| num_prop++; |
| |
| /* Allocate TX properties for TOS categories, 1 each for IPv4 & IPv6 */ |
| tx_prop = adf_os_mem_alloc(NULL, |
| sizeof(struct ipa_ioc_tx_intf_prop) * num_prop); |
| if (!tx_prop) { |
| HDD_IPA_LOG(VOS_TRACE_LEVEL_ERROR, "tx_prop allocation failed"); |
| goto register_interface_fail; |
| } |
| |
| /* Allocate RX properties, 1 each for IPv4 & IPv6 */ |
| rx_prop = adf_os_mem_alloc(NULL, |
| sizeof(struct ipa_ioc_rx_intf_prop) * num_prop); |
| if (!rx_prop) { |
| HDD_IPA_LOG(VOS_TRACE_LEVEL_ERROR, "rx_prop allocation failed"); |
| goto register_interface_fail; |
| } |
| |
| adf_os_mem_zero(&tx_intf, sizeof(tx_intf)); |
| adf_os_mem_zero(&rx_intf, sizeof(rx_intf)); |
| |
| snprintf(ipv4_hdr_name, IPA_RESOURCE_NAME_MAX, "%s%s", |
| ifname, HDD_IPA_IPV4_NAME_EXT); |
| snprintf(ipv6_hdr_name, IPA_RESOURCE_NAME_MAX, "%s%s", |
| ifname, HDD_IPA_IPV6_NAME_EXT); |
| |
| rx_prop[IPA_IP_v4].ip = IPA_IP_v4; |
| rx_prop[IPA_IP_v4].src_pipe = iface_context->prod_client; |
| #ifdef IPA_UC_OFFLOAD |
| rx_prop[IPA_IP_v4].hdr_l2_type = IPA_HDR_L2_ETHERNET_II; |
| #endif |
| |
| rx_prop[IPA_IP_v4].attrib.attrib_mask = IPA_FLT_META_DATA; |
| |
| /* |
| * Interface ID is 3rd byte in the CLD header. Add the meta data and |
| * mask to identify the interface in IPA hardware |
| */ |
| rx_prop[IPA_IP_v4].attrib.meta_data = |
| htonl(iface_context->adapter->sessionId<< 16); |
| rx_prop[IPA_IP_v4].attrib.meta_data_mask = htonl(0x00FF0000); |
| |
| rx_intf.num_props++; |
| if (hdd_ipa_is_ipv6_enabled(hdd_ipa)) { |
| rx_prop[IPA_IP_v6].ip = IPA_IP_v6; |
| rx_prop[IPA_IP_v6].src_pipe = iface_context->prod_client; |
| #ifdef IPA_UC_OFFLOAD |
| rx_prop[IPA_IP_v6].hdr_l2_type = IPA_HDR_L2_ETHERNET_II; |
| #endif |
| |
| rx_prop[IPA_IP_v6].attrib.attrib_mask = IPA_FLT_META_DATA; |
| rx_prop[IPA_IP_v6].attrib.meta_data = |
| htonl(iface_context->adapter->sessionId<< 16); |
| rx_prop[IPA_IP_v6].attrib.meta_data_mask = htonl(0x00FF0000); |
| |
| rx_intf.num_props++; |
| } |
| |
| tx_prop[IPA_IP_v4].ip = IPA_IP_v4; |
| #ifdef IPA_UC_OFFLOAD |
| tx_prop[IPA_IP_v4].hdr_l2_type = IPA_HDR_L2_ETHERNET_II; |
| tx_prop[IPA_IP_v4].dst_pipe = IPA_CLIENT_WLAN1_CONS; |
| tx_prop[IPA_IP_v4].alt_dst_pipe = iface_context->cons_client; |
| #else |
| tx_prop[IPA_IP_v4].dst_pipe = iface_context->cons_client; |
| #endif |
| strlcpy(tx_prop[IPA_IP_v4].hdr_name, ipv4_hdr_name, |
| IPA_RESOURCE_NAME_MAX); |
| tx_intf.num_props++; |
| |
| if (hdd_ipa_is_ipv6_enabled(hdd_ipa)) { |
| tx_prop[IPA_IP_v6].ip = IPA_IP_v6; |
| #ifdef IPA_UC_OFFLOAD |
| tx_prop[IPA_IP_v6].hdr_l2_type = IPA_HDR_L2_ETHERNET_II; |
| tx_prop[IPA_IP_v6].dst_pipe = IPA_CLIENT_WLAN1_CONS; |
| tx_prop[IPA_IP_v6].alt_dst_pipe = iface_context->cons_client; |
| #else |
| tx_prop[IPA_IP_v6].dst_pipe = iface_context->cons_client; |
| #endif |
| strlcpy(tx_prop[IPA_IP_v6].hdr_name, ipv6_hdr_name, |
| IPA_RESOURCE_NAME_MAX); |
| tx_intf.num_props++; |
| } |
| |
| tx_intf.prop = tx_prop; |
| rx_intf.prop = rx_prop; |
| |
| /* Call the ipa api to register interface */ |
| ret = ipa_register_intf(ifname, &tx_intf, &rx_intf); |
| |
| register_interface_fail: |
| adf_os_mem_free(tx_prop); |
| adf_os_mem_free(rx_prop); |
| return ret; |
| } |
| |
| static void hdd_remove_ipa_header(char *name) |
| { |
| struct ipa_ioc_get_hdr hdrlookup; |
| int ret = 0, len; |
| struct ipa_ioc_del_hdr *ipa_hdr; |
| |
| adf_os_mem_zero(&hdrlookup, sizeof(hdrlookup)); |
| strlcpy(hdrlookup.name, name, sizeof(hdrlookup.name)); |
| ret = ipa_get_hdr(&hdrlookup); |
| if (ret) { |
| HDD_IPA_LOG(VOS_TRACE_LEVEL_INFO, "Hdr deleted already %s, %d", |
| name, ret); |
| return; |
| } |
| |
| |
| HDD_IPA_LOG(VOS_TRACE_LEVEL_INFO, "hdl: 0x%x", hdrlookup.hdl); |
| len = sizeof(struct ipa_ioc_del_hdr) + sizeof(struct ipa_hdr_del)*1; |
| ipa_hdr = (struct ipa_ioc_del_hdr *) adf_os_mem_alloc(NULL, len); |
| if (ipa_hdr == NULL) { |
| HDD_IPA_LOG(VOS_TRACE_LEVEL_ERROR, "ipa_hdr allocation failed"); |
| return; |
| } |
| ipa_hdr->num_hdls = 1; |
| ipa_hdr->commit = 0; |
| ipa_hdr->hdl[0].hdl = hdrlookup.hdl; |
| ipa_hdr->hdl[0].status = -1; |
| ret = ipa_del_hdr(ipa_hdr); |
| if (ret != 0) |
| HDD_IPA_LOG(VOS_TRACE_LEVEL_ERROR, "Delete header failed: %d", |
| ret); |
| |
| adf_os_mem_free(ipa_hdr); |
| } |
| |
| |
| #ifdef IPA_UC_OFFLOAD |
| /** |
| * wlan_ipa_add_hdr() - Add IPA Tx header |
| * @ipa_hdr: pointer to IPA header addition parameters |
| * |
| * Call IPA API to add IPA Tx header descriptor |
| * and dump Tx header struct |
| * |
| * Return: 0 for success, non-zero for failure |
| */ |
| static int wlan_ipa_add_hdr(struct ipa_ioc_add_hdr *ipa_hdr) |
| { |
| int ret; |
| |
| VOS_TRACE(VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_INFO, |
| "==== IPA Tx Header ====\n" |
| "name: %s\n" |
| "hdr_len: %d\n" |
| "type: %d\n" |
| "is_partial: %d\n" |
| "hdr_hdl: 0x%x\n" |
| "status: %d\n" |
| "is_eth2_ofst_valid: %d\n" |
| "eth2_ofst: %d\n", |
| ipa_hdr->hdr[0].name, |
| ipa_hdr->hdr[0].hdr_len, |
| ipa_hdr->hdr[0].type, |
| ipa_hdr->hdr[0].is_partial, |
| ipa_hdr->hdr[0].hdr_hdl, |
| ipa_hdr->hdr[0].status, |
| ipa_hdr->hdr[0].is_eth2_ofst_valid, |
| ipa_hdr->hdr[0].eth2_ofst); |
| |
| HDD_IPA_DBG_DUMP(VOS_TRACE_LEVEL_ERROR, "hdr:", |
| ipa_hdr->hdr[0].hdr, HDD_IPA_UC_WLAN_TX_HDR_LEN); |
| |
| ret = ipa_add_hdr(ipa_hdr); |
| return ret; |
| } |
| #endif |
| |
| static int hdd_ipa_add_header_info(struct hdd_ipa_priv *hdd_ipa, |
| struct hdd_ipa_iface_context *iface_context, uint8_t *mac_addr) |
| { |
| hdd_adapter_t *adapter = iface_context->adapter; |
| char *ifname; |
| struct ipa_ioc_add_hdr *ipa_hdr = NULL; |
| int ret = -EINVAL; |
| struct hdd_ipa_tx_hdr *tx_hdr = NULL; |
| #ifdef IPA_UC_OFFLOAD |
| struct hdd_ipa_uc_tx_hdr *uc_tx_hdr = NULL; |
| #endif /* IPA_UC_OFFLOAD */ |
| |
| ifname = adapter->dev->name; |
| |
| |
| HDD_IPA_LOG(VOS_TRACE_LEVEL_INFO, "Add Partial hdr: %s, %pM", |
| ifname, mac_addr); |
| |
| /* dynamically allocate the memory to add the hdrs */ |
| ipa_hdr = adf_os_mem_alloc(NULL, sizeof(struct ipa_ioc_add_hdr) |
| + sizeof(struct ipa_hdr_add)); |
| if (!ipa_hdr) { |
| HDD_IPA_LOG(VOS_TRACE_LEVEL_ERROR, |
| "%s: ipa_hdr allocation failed", ifname); |
| ret = -ENOMEM; |
| goto end; |
| } |
| |
| ipa_hdr->commit = 0; |
| ipa_hdr->num_hdrs = 1; |
| |
| if (hdd_ipa_uc_is_enabled(hdd_ipa)) { |
| #ifdef IPA_UC_OFFLOAD |
| uc_tx_hdr = (struct hdd_ipa_uc_tx_hdr *)ipa_hdr->hdr[0].hdr; |
| memcpy(uc_tx_hdr, &ipa_uc_tx_hdr, HDD_IPA_UC_WLAN_TX_HDR_LEN); |
| memcpy(uc_tx_hdr->eth.h_source, mac_addr, ETH_ALEN); |
| uc_tx_hdr->ipa_hd.vdev_id = iface_context->adapter->sessionId; |
| HDD_IPA_LOG(VOS_TRACE_LEVEL_DEBUG, |
| "ifname=%s, vdev_id=%d", |
| ifname, uc_tx_hdr->ipa_hd.vdev_id); |
| snprintf(ipa_hdr->hdr[0].name, IPA_RESOURCE_NAME_MAX, "%s%s", |
| ifname, HDD_IPA_IPV4_NAME_EXT); |
| ipa_hdr->hdr[0].hdr_len = HDD_IPA_UC_WLAN_TX_HDR_LEN; |
| ipa_hdr->hdr[0].type = IPA_HDR_L2_ETHERNET_II; |
| ipa_hdr->hdr[0].is_partial = 1; |
| ipa_hdr->hdr[0].hdr_hdl = 0; |
| ipa_hdr->hdr[0].is_eth2_ofst_valid = 1; |
| ipa_hdr->hdr[0].eth2_ofst = HDD_IPA_UC_WLAN_HDR_DES_MAC_OFFSET; |
| |
| ret = wlan_ipa_add_hdr(ipa_hdr); |
| #endif /* IPA_UC_OFFLOAD */ |
| } else { |
| tx_hdr = (struct hdd_ipa_tx_hdr *)ipa_hdr->hdr[0].hdr; |
| |
| /* Set the Source MAC */ |
| memcpy(tx_hdr, &ipa_tx_hdr, HDD_IPA_WLAN_TX_HDR_LEN); |
| memcpy(tx_hdr->eth.h_source, mac_addr, ETH_ALEN); |
| |
| snprintf(ipa_hdr->hdr[0].name, IPA_RESOURCE_NAME_MAX, "%s%s", |
| ifname, HDD_IPA_IPV4_NAME_EXT); |
| ipa_hdr->hdr[0].hdr_len = HDD_IPA_WLAN_TX_HDR_LEN; |
| ipa_hdr->hdr[0].is_partial = 1; |
| ipa_hdr->hdr[0].hdr_hdl = 0; |
| ipa_hdr->hdr[0].is_eth2_ofst_valid = 1; |
| ipa_hdr->hdr[0].eth2_ofst = HDD_IPA_WLAN_HDR_DES_MAC_OFFSET; |
| |
| /* Set the type to IPV4 in the header*/ |
| tx_hdr->llc_snap.eth_type = cpu_to_be16(ETH_P_IP); |
| |
| ret = ipa_add_hdr(ipa_hdr); |
| } |
| if (ret) { |
| HDD_IPA_LOG(VOS_TRACE_LEVEL_ERROR, "%s IPv4 add hdr failed: %d", |
| ifname, ret); |
| goto end; |
| } |
| |
| HDD_IPA_LOG(VOS_TRACE_LEVEL_INFO, "%s: IPv4 hdr_hdl: 0x%x", |
| ipa_hdr->hdr[0].name, ipa_hdr->hdr[0].hdr_hdl); |
| |
| if (hdd_ipa_is_ipv6_enabled(hdd_ipa)) { |
| snprintf(ipa_hdr->hdr[0].name, IPA_RESOURCE_NAME_MAX, "%s%s", |
| ifname, HDD_IPA_IPV6_NAME_EXT); |
| |
| #ifdef IPA_UC_OFFLOAD |
| if (hdd_ipa_uc_is_enabled(hdd_ipa)) { |
| /* Set the type to IPV6 in the header*/ |
| uc_tx_hdr = (struct hdd_ipa_uc_tx_hdr *)ipa_hdr->hdr[0].hdr; |
| uc_tx_hdr->eth.h_proto = cpu_to_be16(ETH_P_IPV6); |
| ret = wlan_ipa_add_hdr(ipa_hdr); |
| } else |
| #endif /* IPA_UC_OFFLOAD */ |
| { |
| /* Set the type to IPV6 in the header*/ |
| tx_hdr = (struct hdd_ipa_tx_hdr *)ipa_hdr->hdr[0].hdr; |
| tx_hdr->llc_snap.eth_type = cpu_to_be16(ETH_P_IPV6); |
| ret = ipa_add_hdr(ipa_hdr); |
| } |
| |
| if (ret) { |
| HDD_IPA_LOG(VOS_TRACE_LEVEL_ERROR, |
| "%s: IPv6 add hdr failed: %d", |
| ifname, ret); |
| goto clean_ipv4_hdr; |
| } |
| |
| HDD_IPA_LOG(VOS_TRACE_LEVEL_INFO, "%s: IPv6 hdr_hdl: 0x%x", |
| ipa_hdr->hdr[0].name, ipa_hdr->hdr[0].hdr_hdl); |
| } |
| |
| adf_os_mem_free(ipa_hdr); |
| |
| return ret; |
| |
| clean_ipv4_hdr: |
| snprintf(ipa_hdr->hdr[0].name, IPA_RESOURCE_NAME_MAX, "%s%s", |
| ifname, HDD_IPA_IPV4_NAME_EXT); |
| hdd_remove_ipa_header(ipa_hdr->hdr[0].name); |
| end: |
| if(ipa_hdr) |
| adf_os_mem_free(ipa_hdr); |
| |
| return ret; |
| } |
| |
| static void hdd_ipa_clean_hdr(hdd_adapter_t *adapter) |
| { |
| struct hdd_ipa_priv *hdd_ipa = ghdd_ipa; |
| int ret; |
| char name_ipa[IPA_RESOURCE_NAME_MAX]; |
| |
| /* Remove the headers */ |
| snprintf(name_ipa, IPA_RESOURCE_NAME_MAX, "%s%s", |
| adapter->dev->name, HDD_IPA_IPV4_NAME_EXT); |
| hdd_remove_ipa_header(name_ipa); |
| |
| if (hdd_ipa_is_ipv6_enabled(hdd_ipa)) { |
| snprintf(name_ipa, IPA_RESOURCE_NAME_MAX, "%s%s", |
| adapter->dev->name, HDD_IPA_IPV6_NAME_EXT); |
| hdd_remove_ipa_header(name_ipa); |
| } |
| /* unregister the interface with IPA */ |
| ret = ipa_deregister_intf(adapter->dev->name); |
| if (ret) |
| HDD_IPA_LOG(VOS_TRACE_LEVEL_ERROR, |
| "%s: ipa_deregister_intf fail: %d", |
| adapter->dev->name, ret); |
| } |
| |
| static void hdd_ipa_cleanup_iface(struct hdd_ipa_iface_context *iface_context) |
| { |
| if (iface_context == NULL) |
| return; |
| |
| hdd_ipa_clean_hdr(iface_context->adapter); |
| |
| adf_os_spin_lock_bh(&iface_context->interface_lock); |
| iface_context->adapter->ipa_context = NULL; |
| iface_context->adapter = NULL; |
| iface_context->tl_context = NULL; |
| adf_os_spin_unlock_bh(&iface_context->interface_lock); |
| iface_context->ifa_address = 0; |
| if (!iface_context->hdd_ipa->num_iface) { |
| HDD_IPA_LOG(VOS_TRACE_LEVEL_ERROR, |
| "NUM INTF 0, Invalid"); |
| VOS_ASSERT(0); |
| } |
| iface_context->hdd_ipa->num_iface--; |
| } |
| |
| |
| static int hdd_ipa_setup_iface(struct hdd_ipa_priv *hdd_ipa, |
| hdd_adapter_t *adapter, uint8_t sta_id) |
| { |
| struct hdd_ipa_iface_context *iface_context = NULL; |
| void *tl_context = NULL; |
| int i, ret = 0; |
| |
| /* Lower layer may send multiple START_BSS_EVENT in DFS mode or during |
| * channel change indication. Since these indications are sent by lower |
| * layer as SAP updates and IPA doesn't have to do anything for these |
| * updates so ignoring! |
| */ |
| if (WLAN_HDD_SOFTAP == adapter->device_mode && adapter->ipa_context) |
| return 0; |
| |
| for (i = 0; i < HDD_IPA_MAX_IFACE; i++) { |
| if (hdd_ipa->iface_context[i].adapter == NULL) { |
| iface_context = &(hdd_ipa->iface_context[i]); |
| break; |
| } |
| } |
| |
| if (iface_context == NULL) { |
| HDD_IPA_LOG(VOS_TRACE_LEVEL_ERROR, |
| "All the IPA interfaces are in use"); |
| ret = -ENOMEM; |
| goto end; |
| } |
| |
| |
| adapter->ipa_context = iface_context; |
| iface_context->adapter = adapter; |
| iface_context->sta_id = sta_id; |
| tl_context = tl_shim_get_vdev_by_sta_id(hdd_ipa->hdd_ctx->pvosContext, |
| sta_id); |
| |
| if (tl_context == NULL) { |
| HDD_IPA_LOG(VOS_TRACE_LEVEL_ERROR, |
| "Not able to get TL context sta_id: %d", |
| sta_id); |
| ret = -EINVAL; |
| goto end; |
| } |
| |
| iface_context->tl_context = tl_context; |
| |
| ret = hdd_ipa_add_header_info(hdd_ipa, iface_context, |
| adapter->dev->dev_addr); |
| |
| if (ret) |
| goto end; |
| |
| /* Configure the TX and RX pipes filter rules */ |
| ret = hdd_ipa_register_interface(hdd_ipa, iface_context); |
| if (ret) |
| goto cleanup_header; |
| |
| hdd_ipa->num_iface++; |
| return ret; |
| |
| cleanup_header: |
| |
| hdd_ipa_clean_hdr(adapter); |
| end: |
| if (iface_context) |
| hdd_ipa_cleanup_iface(iface_context); |
| return ret; |
| } |
| |
| |
| static void hdd_ipa_msg_free_fn(void *buff, uint32_t len, uint32_t type) |
| { |
| HDD_IPA_LOG(VOS_TRACE_LEVEL_INFO_HIGH, |
| "msg type:%d, len:%d", type, len); |
| ghdd_ipa->stats.num_free_msg++; |
| adf_os_mem_free(buff); |
| } |
| |
| #ifdef IPA_UC_STA_OFFLOAD |
| int hdd_ipa_send_mcc_scc_msg(hdd_context_t *hdd_ctx, bool mcc_mode) |
| { |
| struct hdd_ipa_priv *hdd_ipa = ghdd_ipa; |
| hdd_adapter_list_node_t *adapter_node = NULL, *next = NULL; |
| VOS_STATUS status; |
| hdd_adapter_t *pAdapter; |
| struct ipa_msg_meta meta; |
| struct ipa_wlan_msg *msg; |
| int ret; |
| |
| if (!hdd_ipa_uc_sta_is_enabled(hdd_ipa)) |
| return -EINVAL; |
| |
| if (!mcc_mode) { |
| /* Flush TxRx queue for each adapter before switch to SCC */ |
| status = hdd_get_front_adapter (hdd_ctx, &adapter_node); |
| while (NULL != adapter_node && VOS_STATUS_SUCCESS == status) { |
| pAdapter = adapter_node->pAdapter; |
| if (pAdapter->device_mode == WLAN_HDD_INFRA_STATION || |
| pAdapter->device_mode == WLAN_HDD_SOFTAP) { |
| hddLog(LOG1, |
| "MCC->SCC: Flush TxRx queue(d_mode %s(%d))", |
| hdd_device_mode_to_string( |
| pAdapter->device_mode), |
| pAdapter->device_mode); |
| hdd_deinit_tx_rx(pAdapter); |
| } |
| status = hdd_get_next_adapter( |
| hdd_ctx, adapter_node, &next); |
| adapter_node = next; |
| } |
| } |
| |
| /* Send SCC/MCC Switching event to IPA */ |
| meta.msg_len = sizeof(*msg); |
| msg = adf_os_mem_alloc(NULL, meta.msg_len); |
| if (msg == NULL) { |
| hddLog(VOS_TRACE_LEVEL_ERROR, "msg allocation failed"); |
| return -ENOMEM; |
| } |
| |
| meta.msg_type = mcc_mode ? WLAN_SWITCH_TO_MCC : WLAN_SWITCH_TO_SCC; |
| hddLog(VOS_TRACE_LEVEL_INFO, "ipa_send_msg(Evt:%d)", meta.msg_type); |
| |
| ret = ipa_send_msg(&meta, msg, hdd_ipa_msg_free_fn); |
| |
| if (ret) { |
| hddLog(VOS_TRACE_LEVEL_ERROR, "ipa_send_msg(Evt:%d) - fail=%d", |
| meta.msg_type, ret); |
| adf_os_mem_free(msg); |
| } |
| |
| return ret; |
| } |
| #endif |
| |
| static inline char *hdd_ipa_wlan_event_to_str(enum ipa_wlan_event event) |
| { |
| switch(event) { |
| case WLAN_CLIENT_CONNECT: return "WLAN_CLIENT_CONNECT"; |
| case WLAN_CLIENT_DISCONNECT: return "WLAN_CLIENT_DISCONNECT"; |
| case WLAN_CLIENT_POWER_SAVE_MODE: return "WLAN_CLIENT_POWER_SAVE_MODE"; |
| case WLAN_CLIENT_NORMAL_MODE: return "WLAN_CLIENT_NORMAL_MODE"; |
| case SW_ROUTING_ENABLE: return "SW_ROUTING_ENABLE"; |
| case SW_ROUTING_DISABLE: return "SW_ROUTING_DISABLE"; |
| case WLAN_AP_CONNECT: return "WLAN_AP_CONNECT"; |
| case WLAN_AP_DISCONNECT: return "WLAN_AP_DISCONNECT"; |
| case WLAN_STA_CONNECT: return "WLAN_STA_CONNECT"; |
| case WLAN_STA_DISCONNECT: return "WLAN_STA_DISCONNECT"; |
| case WLAN_CLIENT_CONNECT_EX: return "WLAN_CLIENT_CONNECT_EX"; |
| |
| case IPA_WLAN_EVENT_MAX: |
| default: |
| return "UNKNOWN"; |
| } |
| } |
| |
| #ifdef IPA_UC_OFFLOAD |
| static void hdd_ipa_uc_offload_enable_disable(hdd_adapter_t *adapter, |
| tANI_U32 offload_type, tANI_U32 enable) |
| { |
| struct sir_ipa_offload_enable_disable ipa_offload_enable_disable; |
| |
| /* Lower layer may send multiple START_BSS_EVENT in DFS mode or during |
| * channel change indication. Since these indications are sent by lower |
| * layer as SAP updates and IPA doesn't have to do anything for these |
| * updates so ignoring! |
| */ |
| if (adapter->ipa_context) |
| return; |
| |
| vos_mem_zero(&ipa_offload_enable_disable, |
| sizeof(ipa_offload_enable_disable)); |
| ipa_offload_enable_disable.offload_type = offload_type; |
| ipa_offload_enable_disable.vdev_id = adapter->sessionId; |
| ipa_offload_enable_disable.enable = enable; |
| |
| HDD_IPA_LOG(VOS_TRACE_LEVEL_INFO, |
| "%s: offload_type=%d, vdev_id=%d, enable=%d", __func__, |
| ipa_offload_enable_disable.offload_type, |
| ipa_offload_enable_disable.vdev_id, |
| ipa_offload_enable_disable.enable); |
| |
| if (eHAL_STATUS_SUCCESS != |
| sme_ipa_offload_enable_disable(WLAN_HDD_GET_HAL_CTX(adapter), |
| adapter->sessionId, &ipa_offload_enable_disable)) { |
| HDD_IPA_LOG(VOS_TRACE_LEVEL_ERROR, |
| "%s: Failure to enable IPA offload \ |
| (offload_type=%d, vdev_id=%d, enable=%d)", __func__, |
| ipa_offload_enable_disable.offload_type, |
| ipa_offload_enable_disable.vdev_id, |
| ipa_offload_enable_disable.enable); |
| } |
| } |
| #endif |
| |
| int hdd_ipa_wlan_evt(hdd_adapter_t *adapter, uint8_t sta_id, |
| enum ipa_wlan_event type, uint8_t *mac_addr) |
| { |
| struct hdd_ipa_priv *hdd_ipa = ghdd_ipa; |
| struct ipa_msg_meta meta; |
| struct ipa_wlan_msg *msg; |
| struct ipa_wlan_msg_ex *msg_ex = NULL; |
| int ret; |
| |
| HDD_IPA_LOG(VOS_TRACE_LEVEL_INFO, "%s: %s evt, MAC: %pM sta_id: %d", |
| adapter->dev->name, hdd_ipa_wlan_event_to_str(type), |
| mac_addr, |
| sta_id); |
| |
| if (type >= IPA_WLAN_EVENT_MAX) |
| return -EINVAL; |
| |
| if (!hdd_ipa || !hdd_ipa_is_enabled(hdd_ipa->hdd_ctx)) { |
| HDD_IPA_LOG(VOS_TRACE_LEVEL_ERROR, "IPA OFFLOAD NOT ENABLED"); |
| return -EINVAL; |
| } |
| |
| #ifdef IPA_UC_OFFLOAD |
| if (hdd_ipa_uc_is_enabled(hdd_ipa) && |
| #ifdef IPA_UC_STA_OFFLOAD |
| !hdd_ipa_uc_sta_is_enabled(hdd_ipa) && |
| #endif |
| (WLAN_HDD_SOFTAP != adapter->device_mode)) { |
| return 0; |
| } |
| |
| if (WARN_ON(is_zero_ether_addr(mac_addr))) |
| return -EINVAL; |
| |
| /* During IPA UC resource loading/unloading |
| * new event issued. |
| * Store event seperatly and handle later */ |
| if (hdd_ipa_uc_is_enabled(hdd_ipa)) { |
| if (hdd_ipa->resource_loading) { |
| v_SIZE_t pending_event_count; |
| struct ipa_uc_pending_event *pending_event = NULL; |
| |
| HDD_IPA_LOG(VOS_TRACE_LEVEL_ERROR, |
| "%s: IPA resource load inprogress", __func__); |
| |
| vos_list_size(&hdd_ipa->pending_event, |
| &pending_event_count); |
| if (pending_event_count >= MAX_PENDING_EVENT_COUNT) { |
| HDD_IPA_LOG(VOS_TRACE_LEVEL_INFO, |
| "%s: Reached max pending event count", |
| __func__); |
| vos_list_remove_front(&hdd_ipa->pending_event, |
| (vos_list_node_t **)&pending_event); |
| } else { |
| pending_event = (struct ipa_uc_pending_event *) |
| vos_mem_malloc(sizeof( |
| struct ipa_uc_pending_event)); |
| } |
| |
| if (!pending_event) { |
| HDD_IPA_LOG(VOS_TRACE_LEVEL_ERROR, |
| "Pending event memory alloc fail"); |
| return -ENOMEM; |
| } |
| pending_event->adapter = adapter; |
| pending_event->sta_id = sta_id; |
| pending_event->type = type; |
| vos_mem_copy(pending_event->mac_addr, |
| mac_addr, |
| VOS_MAC_ADDR_SIZE); |
| vos_list_insert_back(&hdd_ipa->pending_event, |
| &pending_event->node); |
| return 0; |
| } else if (hdd_ipa->resource_unloading) { |
| HDD_IPA_LOG(VOS_TRACE_LEVEL_ERROR, |
| "%s: IPA resource unload inprogress", __func__); |
| return 0; |
| } |
| } |
| #endif /* IPA_UC_OFFLOAD */ |
| |
| hdd_ipa->stats.event[type]++; |
| |
| switch (type) { |
| case WLAN_STA_CONNECT: |
| #if defined(IPA_UC_OFFLOAD) && defined(IPA_UC_STA_OFFLOAD) |
| /* STA alreadu connected and without disconnect, connect again |
| * This is Roaming scenario */ |
| if (hdd_ipa->sta_connected) { |
| hdd_ipa_cleanup_iface(adapter->ipa_context); |
| } |
| |
| if ((hdd_ipa_uc_sta_is_enabled(hdd_ipa)) && |
| (!hdd_ipa->sta_connected)) { |
| hdd_ipa_uc_offload_enable_disable(adapter, |
| SIR_STA_RX_DATA_OFFLOAD, 1); |
| } |
| |
| vos_lock_acquire(&hdd_ipa->event_lock); |
| if (!hdd_ipa_uc_is_enabled(hdd_ipa)) { |
| HDD_IPA_LOG(VOS_TRACE_LEVEL_INFO, |
| "%s: Evt: %d, IPA UC OFFLOAD NOT ENABLED", |
| adapter->dev->name, type); |
| } else if ((!hdd_ipa->sap_num_connected_sta) && |
| (!hdd_ipa->sta_connected)) { |
| /* Enable IPA UC TX PIPE when STA connected */ |
| ret = hdd_ipa_uc_handle_first_con(hdd_ipa); |
| if (ret) { |
| vos_lock_release(&hdd_ipa->event_lock); |
| HDD_IPA_LOG(VOS_TRACE_LEVEL_ERROR, |
| "handle 1st con ret %d", ret); |
| hdd_ipa_uc_offload_enable_disable(adapter, |
| SIR_STA_RX_DATA_OFFLOAD, 0); |
| goto end; |
| } |
| } |
| #endif |
| ret = hdd_ipa_setup_iface(hdd_ipa, adapter, sta_id); |
| if (ret) { |
| #ifdef IPA_UC_OFFLOAD |
| vos_lock_release(&hdd_ipa->event_lock); |
| hdd_ipa_uc_offload_enable_disable(adapter, |
| SIR_STA_RX_DATA_OFFLOAD, 0); |
| #endif /* IPA_UC_OFFLOAD */ |
| goto end; |
| } |
| |
| #ifdef IPA_UC_OFFLOAD |
| vdev_to_iface[adapter->sessionId] = |
| ((struct hdd_ipa_iface_context *) |
| (adapter->ipa_context))->iface_id; |
| #ifdef IPA_UC_STA_OFFLOAD |
| hdd_ipa->sta_connected = 1; |
| #endif |
| vos_lock_release(&hdd_ipa->event_lock); |
| #endif /* IPA_UC_OFFLOAD */ |
| break; |
| |
| case WLAN_AP_CONNECT: |
| /* For DFS channel we get two start_bss event (before and after |
| * CAC). Also when ACS range includes both DFS and non DFS |
| * channels, we could possibly change channel many times due to |
| * RADAR detection and chosen channel may not be a DFS channels. |
| * So dont return error here. Just discard the event. |
| */ |
| if (adapter->ipa_context) |
| return 0; |
| |
| #ifdef IPA_UC_OFFLOAD |
| if (hdd_ipa_uc_is_enabled(hdd_ipa)) { |
| hdd_ipa_uc_offload_enable_disable(adapter, |
| SIR_AP_RX_DATA_OFFLOAD, 1); |
| } |
| vos_lock_acquire(&hdd_ipa->event_lock); |
| #endif /* IPA_UC_OFFLOAD */ |
| ret = hdd_ipa_setup_iface(hdd_ipa, adapter, sta_id); |
| if (ret) { |
| HDD_IPA_LOG(VOS_TRACE_LEVEL_ERROR, |
| "%s: Evt: %d, Interface setup failed", |
| adapter->dev->name, type); |
| #ifdef IPA_UC_OFFLOAD |
| vos_lock_release(&hdd_ipa->event_lock); |
| #endif /* IPA_UC_OFFLOAD */ |
| goto end; |
| } |
| |
| #ifdef IPA_UC_OFFLOAD |
| vdev_to_iface[adapter->sessionId] = |
| ((struct hdd_ipa_iface_context *) |
| (adapter->ipa_context))->iface_id; |
| vos_lock_release(&hdd_ipa->event_lock); |
| #endif /* IPA_UC_OFFLOAD */ |
| break; |
| |
| case WLAN_STA_DISCONNECT: |
| #ifdef IPA_UC_OFFLOAD |
| vos_lock_acquire(&hdd_ipa->event_lock); |
| #endif /* IPA_UC_OFFLOAD */ |
| hdd_ipa_cleanup_iface(adapter->ipa_context); |
| |
| #if defined(IPA_UC_OFFLOAD) && defined(IPA_UC_STA_OFFLOAD) |
| if (!hdd_ipa->sta_connected) { |
| HDD_IPA_LOG(VOS_TRACE_LEVEL_ERROR, |
| "%s: Evt: %d, STA already disconnected", |
| adapter->dev->name, type); |
| vos_lock_release(&hdd_ipa->event_lock); |
| return -EINVAL; |
| } |
| |
| if (!hdd_ipa_uc_is_enabled(hdd_ipa)) { |
| HDD_IPA_LOG(VOS_TRACE_LEVEL_INFO, |
| "%s: IPA UC OFFLOAD NOT ENABLED", |
| msg_ex->name); |
| } else { |
| /* Disable IPA UC TX PIPE when STA disconnected */ |
| if ((!hdd_ipa->sap_num_connected_sta && |
| hdd_ipa->sta_connected) || |
| (!hdd_ipa->num_iface && |
| (HDD_IPA_UC_NUM_WDI_PIPE == |
| hdd_ipa->activated_fw_pipe) && |
| !hdd_ipa->ipa_pipes_down)) { |
| hdd_ipa_uc_handle_last_discon(hdd_ipa); |
| } |
| } |
| |
| hdd_ipa->sta_connected = 0; |
| |
| vos_lock_release(&hdd_ipa->event_lock); |
| |
| if (hdd_ipa_uc_sta_is_enabled(hdd_ipa)) { |
| hdd_ipa_uc_offload_enable_disable(adapter, |
| SIR_STA_RX_DATA_OFFLOAD, 0); |
| vdev_to_iface[adapter->sessionId] = HDD_IPA_MAX_IFACE; |
| } |
| #endif |
| break; |
| |
| case WLAN_AP_DISCONNECT: |
| if (!adapter->ipa_context) { |
| HDD_IPA_LOG(VOS_TRACE_LEVEL_ERROR, |
| "%s: Evt: %d, SAP already disconnected", |
| adapter->dev->name, type); |
| return -EINVAL; |
| } |
| |
| #ifdef IPA_UC_OFFLOAD |
| vos_lock_acquire(&hdd_ipa->event_lock); |
| #endif /* IPA_UC_OFFLOAD */ |
| hdd_ipa_cleanup_iface(adapter->ipa_context); |
| |
| #ifdef IPA_UC_OFFLOAD |
| if ((!hdd_ipa->num_iface) && |
| (HDD_IPA_UC_NUM_WDI_PIPE == hdd_ipa->activated_fw_pipe) && |
| !hdd_ipa->ipa_pipes_down) { |
| if (hdd_ipa->hdd_ctx->isUnloadInProgress) { |
| /* We disable WDI pipes directly here since |
| * IPA_OPCODE_TX/RX_SUSPEND message will not be |
| * processed when unloding WLAN driver is in |
| * progress |
| */ |
| hdd_ipa_uc_disable_pipes(hdd_ipa); |
| } else { |
| HDD_IPA_LOG(VOS_TRACE_LEVEL_ERROR, |
| "NO INTF left, " |
| "but still pipe clean up"); |
| hdd_ipa_uc_handle_last_discon(hdd_ipa); |
| } |
| } |
| |
| vos_lock_release(&hdd_ipa->event_lock); |
| |
| if (hdd_ipa_uc_is_enabled(hdd_ipa)) { |
| hdd_ipa_uc_offload_enable_disable(adapter, |
| SIR_AP_RX_DATA_OFFLOAD, 0); |
| vdev_to_iface[adapter->sessionId] = HDD_IPA_MAX_IFACE; |
| } |
| #endif /* IPA_UC_OFFLOAD */ |
| break; |
| |
| case WLAN_CLIENT_CONNECT_EX: |
| HDD_IPA_LOG(VOS_TRACE_LEVEL_INFO, "%d %d", |
| adapter->dev->ifindex, sta_id); |
| |
| #ifdef IPA_UC_OFFLOAD |
| if (!hdd_ipa_uc_is_enabled(hdd_ipa)) { |
| HDD_IPA_LOG(VOS_TRACE_LEVEL_INFO, |
| "%s: Evt: %d, IPA UC OFFLOAD NOT ENABLED", |
| adapter->dev->name, type); |
| return 0; |
| } |
| |
| vos_lock_acquire(&hdd_ipa->event_lock); |
| if (hdd_ipa_uc_find_add_assoc_sta(hdd_ipa, |
| VOS_TRUE, sta_id)) { |
| HDD_IPA_LOG(VOS_TRACE_LEVEL_ERROR, |
| "%s: STA ID %d found, not valid", |
| adapter->dev->name, sta_id); |
| vos_lock_release(&hdd_ipa->event_lock); |
| return 0; |
| } |
| /* Enable IPA UC Data PIPEs when first STA connected */ |
| if ((0 == hdd_ipa->sap_num_connected_sta) |
| #ifdef IPA_UC_STA_OFFLOAD |
| && (!hdd_ipa_uc_sta_is_enabled(hdd_ipa) |
| || !hdd_ipa->sta_connected) |
| #endif |
| && (VOS_TRUE == hdd_ipa->uc_loaded) |
| ) { |
| ret = hdd_ipa_uc_handle_first_con(hdd_ipa); |
| if (ret) { |
| vos_lock_release(&hdd_ipa->event_lock); |
| HDD_IPA_LOG(VOS_TRACE_LEVEL_ERROR, |
| "%s: handle 1st con ret %d", |
| adapter->dev->name, ret); |
| return ret; |
| } |
| } |
| |
| hdd_ipa->sap_num_connected_sta++; |
| vos_lock_release(&hdd_ipa->event_lock); |
| #endif /* IPA_UC_OFFLOAD */ |
| |
| meta.msg_type = type; |
| meta.msg_len = (sizeof(struct ipa_wlan_msg_ex) + |
| sizeof(struct ipa_wlan_hdr_attrib_val)); |
| msg_ex = adf_os_mem_alloc (NULL, meta.msg_len); |
| |
| if (msg_ex == NULL) { |
| HDD_IPA_LOG(VOS_TRACE_LEVEL_ERROR, |
| "msg_ex allocation failed"); |
| return -ENOMEM; |
| } |
| strlcpy(msg_ex->name, adapter->dev->name, |
| IPA_RESOURCE_NAME_MAX); |
| msg_ex->num_of_attribs = 1; |
| msg_ex->attribs[0].attrib_type = WLAN_HDR_ATTRIB_MAC_ADDR; |
| #ifdef IPA_UC_OFFLOAD |
| if (hdd_ipa_uc_is_enabled(hdd_ipa)) { |
| msg_ex->attribs[0].offset = |
| HDD_IPA_UC_WLAN_HDR_DES_MAC_OFFSET; |
| } else |
| #endif /* IPA_UC_OFFLOAD */ |
| { |
| msg_ex->attribs[0].offset = |
| HDD_IPA_WLAN_HDR_DES_MAC_OFFSET; |
| } |
| memcpy(msg_ex->attribs[0].u.mac_addr, mac_addr, |
| IPA_MAC_ADDR_SIZE); |
| |
| ret = ipa_send_msg(&meta, msg_ex, hdd_ipa_msg_free_fn); |
| |
| if (ret) { |
| HDD_IPA_LOG(VOS_TRACE_LEVEL_INFO, "%s: Evt: %d : %d", |
| msg_ex->name, meta.msg_type, ret); |
| adf_os_mem_free(msg_ex); |
| return ret; |
| } |
| hdd_ipa->stats.num_send_msg++; |
| |
| return ret; |
| |
| case WLAN_CLIENT_DISCONNECT: |
| #ifdef IPA_UC_OFFLOAD |
| if (!hdd_ipa_uc_is_enabled(hdd_ipa)) { |
| HDD_IPA_LOG(VOS_TRACE_LEVEL_INFO, |
| "%s: IPA UC OFFLOAD NOT ENABLED", |
| msg_ex->name); |
| return 0; |
| } |
| |
| vos_lock_acquire(&hdd_ipa->event_lock); |
| if (!hdd_ipa_uc_find_add_assoc_sta(hdd_ipa, |
| VOS_FALSE, |
| sta_id)) { |
| HDD_IPA_LOG(VOS_TRACE_LEVEL_ERROR, |
| "%s: STA ID %d NOT found, not valid", |
| msg_ex->name, sta_id); |
| vos_lock_release(&hdd_ipa->event_lock); |
| return 0; |
| } |
| hdd_ipa->sap_num_connected_sta--; |
| /* Disable IPA UC TX PIPE when last STA disconnected */ |
| if (!hdd_ipa->sap_num_connected_sta |
| #ifdef IPA_UC_STA_OFFLOAD |
| && (!hdd_ipa_uc_sta_is_enabled(hdd_ipa) || |
| !hdd_ipa->sta_connected) |
| #endif |
| && (VOS_TRUE == hdd_ipa->uc_loaded) |
| && (VOS_FALSE == hdd_ipa->resource_unloading) |
| && (HDD_IPA_UC_NUM_WDI_PIPE == |
| hdd_ipa->activated_fw_pipe) && |
| !hdd_ipa->ipa_pipes_down |
| ) { |
| hdd_ipa_uc_handle_last_discon(hdd_ipa); |
| } |
| vos_lock_release(&hdd_ipa->event_lock); |
| #endif /* IPA_UC_OFFLOAD */ |
| break; |
| |
| default: |
| return 0; |
| } |
| |
| meta.msg_len = sizeof(struct ipa_wlan_msg); |
| msg = adf_os_mem_alloc(NULL, meta.msg_len); |
| if (msg == NULL) { |
| HDD_IPA_LOG(VOS_TRACE_LEVEL_ERROR, "msg allocation failed"); |
| return -ENOMEM; |
| } |
| |
| meta.msg_type = type; |
| strlcpy(msg->name, adapter->dev->name, IPA_RESOURCE_NAME_MAX); |
| memcpy(msg->mac_addr, mac_addr, ETH_ALEN); |
| |
| HDD_IPA_LOG(VOS_TRACE_LEVEL_INFO, "%s: Evt: %d", |
| msg->name, meta.msg_type); |
| |
| ret = ipa_send_msg(&meta, msg, hdd_ipa_msg_free_fn); |
| |
| if (ret) { |
| HDD_IPA_LOG(VOS_TRACE_LEVEL_ERROR, "%s: Evt: %d fail:%d", |
| msg->name, meta.msg_type, ret); |
| adf_os_mem_free(msg); |
| return ret; |
| } |
| |
| hdd_ipa->stats.num_send_msg++; |
| |
| end: |
| return ret; |
| } |
| |
| |
| static void hdd_ipa_rx_pipe_desc_free(void) |
| { |
| struct hdd_ipa_priv *hdd_ipa = ghdd_ipa; |
| uint32_t i = 0, max_desc_cnt; |
| struct ipa_tx_data_desc *desc, *tmp; |
| |
| max_desc_cnt = hdd_ipa->hw_desc_cnt * HDD_IPA_DESC_BUFFER_RATIO; |
| |
| SPIN_LOCK_BH(&hdd_ipa->q_lock); |
| |
| list_for_each_entry_safe(desc, tmp, &hdd_ipa->pend_desc_head, link) { |
| list_del(&desc->link); |
| adf_nbuf_free(desc->priv); |
| SPIN_UNLOCK_BH(&hdd_ipa->q_lock); |
| hdd_ipa_free_data_desc(hdd_ipa, desc); |
| SPIN_LOCK_BH(&hdd_ipa->q_lock); |
| } |
| |
| list_for_each_entry_safe(desc, tmp, &hdd_ipa->free_desc_head, link) { |
| list_del(&desc->link); |
| SPIN_UNLOCK_BH(&hdd_ipa->q_lock); |
| adf_os_mem_free(desc); |
| SPIN_LOCK_BH(&hdd_ipa->q_lock); |
| i++; |
| } |
| SPIN_UNLOCK_BH(&hdd_ipa->q_lock); |
| |
| if (i != max_desc_cnt) |
| HDD_IPA_LOG(VOS_TRACE_LEVEL_FATAL, "free desc leak: %u, %u", i, |
| max_desc_cnt); |
| |
| } |
| |
| |
| static int hdd_ipa_rx_pipe_desc_alloc(void) |
| { |
| struct hdd_ipa_priv *hdd_ipa = ghdd_ipa; |
| uint32_t i, max_desc_cnt; |
| int ret = 0; |
| struct ipa_tx_data_desc *tmp_desc; |
| |
| hdd_ipa->hw_desc_cnt = IPA_NUM_OF_FIFO_DESC( |
| hdd_ipa->hdd_ctx->cfg_ini->IpaDescSize); |
| max_desc_cnt = hdd_ipa->hw_desc_cnt * HDD_IPA_DESC_BUFFER_RATIO; |
| |
| spin_lock_init(&hdd_ipa->q_lock); |
| |
| INIT_LIST_HEAD(&hdd_ipa->free_desc_head); |
| INIT_LIST_HEAD(&hdd_ipa->pend_desc_head); |
| hdd_ipa->freeq_cnt = max_desc_cnt; |
| for (i = 0; i < max_desc_cnt; i++) { |
| tmp_desc = adf_os_mem_alloc(NULL, |
| sizeof(struct ipa_tx_data_desc)); |
| if (!tmp_desc) { |
| ret = -ENOMEM; |
| |
| HDD_IPA_LOG(VOS_TRACE_LEVEL_ERROR, |
| "Descriptor allocation failed"); |
| goto fail; |
| } |
| SPIN_LOCK_BH(&hdd_ipa->q_lock); |
| list_add_tail(&tmp_desc->link, &hdd_ipa->free_desc_head); |
| SPIN_UNLOCK_BH(&hdd_ipa->q_lock); |
| } |
| |
| |
| HDD_IPA_LOG(VOS_TRACE_LEVEL_INFO, |
| "Desc sz:%d h_desc_cnt:%d freeq_cnt:%u", |
| hdd_ipa->hdd_ctx->cfg_ini->IpaDescSize, hdd_ipa->hw_desc_cnt, |
| hdd_ipa->freeq_cnt); |
| return ret; |
| fail: |
| hdd_ipa_rx_pipe_desc_free(); |
| return ret; |
| } |
| |
| static inline char *hdd_ipa_rm_state_to_str(enum hdd_ipa_rm_state state) |
| { |
| switch (state) { |
| case HDD_IPA_RM_RELEASED: return "RELEASED"; |
| case HDD_IPA_RM_GRANT_PENDING: return "GRANT_PENDING"; |
| case HDD_IPA_RM_GRANTED: return "GRANTED"; |
| } |
| |
| return "UNKNOWN"; |
| } |
| |
| static ssize_t hdd_ipa_debugfs_read_ipa_stats(struct file *file, |
| char __user *user_buf, size_t count, loff_t *ppos) |
| { |
| struct hdd_ipa_priv *hdd_ipa = file->private_data; |
| char *buf; |
| unsigned int len = 0, buf_len = 4096; |
| ssize_t ret_cnt; |
| int i; |
| struct hdd_ipa_iface_context *iface_context = NULL; |
| #define HDD_IPA_STATS(_buf, _len, _hdd_ipa, _name) \ |
| scnprintf(_buf, _len, "%30s: %llu\n", #_name, _hdd_ipa->stats._name) |
| |
| #define HDD_IPA_IFACE_STATS(_buf, _len, _iface, _name) \ |
| scnprintf(_buf, _len, "%30s: %llu\n", #_name, _iface->stats._name) |
| |
| buf = kzalloc(buf_len, GFP_KERNEL); |
| if (!buf) |
| return -ENOMEM; |
| |
| len += scnprintf(buf + len, buf_len - len, |
| "\nhw_desc_cnt/pending_cnt: %u/%u, " |
| "freeq_cnt/pend_q_cnt: %u/%u\n", hdd_ipa->hw_desc_cnt, |
| hdd_ipa->pending_hw_desc_cnt, hdd_ipa->freeq_cnt, |
| hdd_ipa->pend_q_cnt); |
| |
| len += scnprintf(buf + len, buf_len - len, |
| "\n<------------------ WLAN EVENTS STATS" |
| " ------------------>\n"); |
| for (i = 0; i < IPA_WLAN_EVENT_MAX; i++) { |
| len += scnprintf(buf + len, buf_len - len, "%30s: %u\n", |
| hdd_ipa_wlan_event_to_str(i), |
| hdd_ipa->stats.event[i]); |
| } |
| len += HDD_IPA_STATS(buf + len, buf_len - len, hdd_ipa, num_send_msg); |
| len += HDD_IPA_STATS(buf + len, buf_len - len, hdd_ipa, num_free_msg); |
| |
| if (!hdd_ipa_is_rm_enabled(hdd_ipa)) |
| goto skip; |
| |
| len += scnprintf(buf + len, buf_len - len, |
| "\n<------------------ IPA RM STATS" |
| " ------------------>\n"); |
| |
| len += scnprintf(buf + len, buf_len - len, "%30s: %s\n", "rm_state", |
| hdd_ipa_rm_state_to_str(hdd_ipa->rm_state)); |
| |
| len += scnprintf(buf + len, buf_len - len, "%30s: %s\n", "wake_lock", |
| hdd_ipa->wake_lock_released ? "RELEASED" : "ACQUIRED"); |
| |
| len += scnprintf(buf + len, buf_len - len, "%30s: %d\n", "tx_ref_cnt", |
| atomic_read(&hdd_ipa->tx_ref_cnt)); |
| |
| len += HDD_IPA_STATS(buf + len, buf_len - len, hdd_ipa, num_rm_grant); |
| len += HDD_IPA_STATS(buf + len, buf_len - len, hdd_ipa, num_rm_release); |
| len += HDD_IPA_STATS(buf + len, buf_len - len, hdd_ipa, |
| num_rm_grant_imm); |
| |
| if (!hdd_ipa_is_clk_scaling_enabled(hdd_ipa)) |
| goto skip; |
| |
| len += HDD_IPA_STATS(buf + len, buf_len - len, hdd_ipa, |
| num_cons_perf_req); |
| len += HDD_IPA_STATS(buf + len, buf_len - len, hdd_ipa, |
| num_prod_perf_req); |
| len += scnprintf(buf + len, buf_len - len, "%30s: %u\n", "curr_prod_bw", |
| hdd_ipa->curr_prod_bw); |
| len += scnprintf(buf + len, buf_len - len, "%30s: %u\n", "curr_cons_bw", |
| hdd_ipa->curr_cons_bw); |
| |
| skip: |
| len += scnprintf(buf + len, buf_len - len, |
| "\n<------------------ IPA STATS" |
| " ------------------>\n"); |
| len += HDD_IPA_STATS(buf + len, buf_len - len, hdd_ipa, num_rx_drop); |
| len += HDD_IPA_STATS(buf + len, buf_len - len, hdd_ipa, |
| num_rx_ipa_tx_dp); |
| len += HDD_IPA_STATS(buf + len, buf_len - len, hdd_ipa, |
| num_rx_ipa_splice); |
| len += HDD_IPA_STATS(buf + len, buf_len - len, hdd_ipa, |
| num_rx_ipa_loop); |
| len += HDD_IPA_STATS(buf + len, buf_len - len, hdd_ipa, |
| num_rx_ipa_tx_dp_err); |
| len += HDD_IPA_STATS(buf + len, buf_len - len, hdd_ipa, |
| num_rx_ipa_write_done); |
| len += HDD_IPA_STATS(buf + len, buf_len - len, hdd_ipa, |
| num_max_ipa_tx_mul); |
| len += HDD_IPA_STATS(buf + len, buf_len - len, hdd_ipa, |
| num_rx_ipa_hw_maxed_out); |
| len += HDD_IPA_STATS(buf + len, buf_len - len, hdd_ipa, |
| max_pend_q_cnt); |
| |
| len += HDD_IPA_STATS(buf + len, buf_len - len, hdd_ipa, |
| num_tx_comp_cnt); |
| len += HDD_IPA_STATS(buf + len, buf_len - len, hdd_ipa, |
| num_tx_queued); |
| len += HDD_IPA_STATS(buf + len, buf_len - len, hdd_ipa, |
| num_tx_dequeued); |
| len += HDD_IPA_STATS(buf + len, buf_len - len, hdd_ipa, |
| num_max_pm_queue); |
| |
| len += HDD_IPA_STATS(buf + len, buf_len - len, hdd_ipa, |
| num_freeq_empty); |
| len += HDD_IPA_STATS(buf + len, buf_len - len, hdd_ipa, |
| num_pri_freeq_empty); |
| |
| len += scnprintf(buf + len, buf_len - len, |
| "\n<------------------ IPA IFACE STATS" |
| " ------------------>\n"); |
| |
| for (i = 0; i < HDD_IPA_MAX_IFACE; i++) { |
| |
| iface_context = &hdd_ipa->iface_context[i]; |
| |
| if (iface_context->adapter == NULL) |
| continue; |
| |
| len += scnprintf(buf + len, buf_len - len, |
| "\n%s: iface_id: %u, sta_id: %u," |
| " device_mode: %u\n", |
| iface_context->adapter->dev->name, |
| iface_context->iface_id, |
| iface_context->sta_id, |
| iface_context->adapter->device_mode); |
| len += HDD_IPA_IFACE_STATS(buf + len, buf_len - len, |
| iface_context, num_tx); |
| len += HDD_IPA_IFACE_STATS(buf + len, buf_len - len, |
| iface_context, num_tx_drop); |
| len += HDD_IPA_IFACE_STATS(buf + len, buf_len - len, |
| iface_context, num_tx_err); |
| len += HDD_IPA_IFACE_STATS(buf + len, buf_len - len, |
| iface_context, num_tx_cac_drop); |
| len += HDD_IPA_IFACE_STATS(buf + len, buf_len - len, |
| iface_context, num_rx_prefilter); |
| len += HDD_IPA_IFACE_STATS(buf + len, buf_len - len, |
| iface_context, num_rx_ipa_excep); |
| len += HDD_IPA_IFACE_STATS(buf + len, buf_len - len, |
| iface_context, num_rx_recv); |
| len += HDD_IPA_IFACE_STATS(buf + len, buf_len - len, |
| iface_context, num_rx_recv_mul); |
| len += HDD_IPA_IFACE_STATS(buf + len, buf_len - len, |
| iface_context, num_rx_send_desc_err); |
| len += HDD_IPA_IFACE_STATS(buf + len, buf_len - len, |
| iface_context, max_rx_mul); |
| } |
| |
| ret_cnt = simple_read_from_buffer(user_buf, count, ppos, buf, len); |
| |
| kfree(buf); |
| return ret_cnt; |
| #undef HDD_IPA_STATS |
| #undef HDD_IPA_IFACE_STATS |
| } |
| |
| static ssize_t hdd_ipa_debugfs_write_ipa_stats(struct file *file, |
| const char __user *user_buf, size_t count, loff_t *ppos) |
| { |
| struct hdd_ipa_priv *hdd_ipa = file->private_data; |
| struct hdd_ipa_iface_context *iface_context = NULL; |
| int ret; |
| uint32_t val; |
| int i; |
| |
| ret = kstrtou32_from_user(user_buf, count, 0, &val); |
| |
| if (ret) |
| return ret; |
| |
| if (val == 0) { |
| for (i = 0; i < HDD_IPA_MAX_IFACE; i++) { |
| iface_context = &hdd_ipa->iface_context[i]; |
| memset(&iface_context->stats, 0, |
| sizeof(iface_context->stats)); |
| } |
| |
| memset(&hdd_ipa->stats, 0, sizeof(hdd_ipa->stats)); |
| } |
| |
| return count; |
| } |
| |
| static const struct file_operations fops_ipa_stats = { |
| .read = hdd_ipa_debugfs_read_ipa_stats, |
| .write = hdd_ipa_debugfs_write_ipa_stats, |
| .open = simple_open, |
| .owner = THIS_MODULE, |
| .llseek = default_llseek, |
| }; |
| |
| #ifdef MULTI_IF_NAME |
| #define SUFFIX MULTI_IF_NAME |
| #else |
| #define SUFFIX "" |
| #endif |
| |
| static int hdd_ipa_debugfs_init(struct hdd_ipa_priv *hdd_ipa) |
| { |
| #ifdef WLAN_OPEN_SOURCE |
| hdd_ipa->debugfs_dir = debugfs_create_dir("cld" SUFFIX, |
| hdd_ipa->hdd_ctx->wiphy->debugfsdir); |
| if (!hdd_ipa->debugfs_dir) |
| return -ENOMEM; |
| |
| debugfs_create_file("ipa-stats", S_IRUSR, hdd_ipa->debugfs_dir, |
| hdd_ipa, &fops_ipa_stats); |
| #endif |
| return 0; |
| } |
| |
| static void hdd_ipa_debugfs_remove(struct hdd_ipa_priv *hdd_ipa) |
| { |
| #ifdef WLAN_OPEN_SOURCE |
| debugfs_remove_recursive(hdd_ipa->debugfs_dir); |
| #endif |
| } |
| |
| /** |
| * hdd_ipa_init() - Allocate hdd_ipa resources, ipa pipe resource and register |
| * wlan interface with IPA module. |
| * @param |
| * hdd_ctx : [in] pointer to HDD context |
| * @return : VOS_STATUS_E_FAILURE - Errors |
| * : VOS_STATUS_SUCCESS - Ok |
| */ |
| VOS_STATUS hdd_ipa_init(hdd_context_t *hdd_ctx) |
| { |
| struct hdd_ipa_priv *hdd_ipa = NULL; |
| int ret=0, i; |
| struct hdd_ipa_iface_context *iface_context = NULL; |
| #ifdef IPA_UC_OFFLOAD |
| struct ipa_wdi_uc_ready_params uc_ready_param; |
| struct ipa_msg_meta meta; |
| struct ipa_wlan_msg *ipa_msg; |
| #endif /* IPA_UC_OFFLOAD */ |
| |
| if (!hdd_ipa_is_enabled(hdd_ctx)) |
| return VOS_STATUS_SUCCESS; |
| |
| hdd_ipa = adf_os_mem_alloc(NULL, sizeof(*hdd_ipa)); |
| if (!hdd_ipa) { |
| HDD_IPA_LOG(VOS_TRACE_LEVEL_FATAL, "hdd_ipa allocation failed"); |
| goto fail_setup_rm; |
| } |
| adf_os_mem_zero(hdd_ipa, sizeof(*hdd_ipa)); |
| |
| hdd_ctx->hdd_ipa = hdd_ipa; |
| ghdd_ipa = hdd_ipa; |
| hdd_ipa->hdd_ctx = hdd_ctx; |
| hdd_ipa->num_iface = 0; |
| |
| /* Create the interface context */ |
| for (i = 0; i < HDD_IPA_MAX_IFACE; i++) { |
| iface_context = &hdd_ipa->iface_context[i]; |
| iface_context->hdd_ipa = hdd_ipa; |
| iface_context->cons_client = |
| hdd_ipa_adapter_2_client[i].cons_client; |
| iface_context->prod_client = |
| hdd_ipa_adapter_2_client[i].prod_client; |
| iface_context->iface_id = i; |
| iface_context->adapter = NULL; |
| adf_os_spinlock_init(&iface_context->interface_lock); |
| } |
| |
| vos_init_work(&hdd_ipa->pm_work, hdd_ipa_pm_send_pkt_to_tl); |
| adf_os_spinlock_init(&hdd_ipa->pm_lock); |
| adf_nbuf_queue_init(&hdd_ipa->pm_queue_head); |
| |
| ret = hdd_ipa_setup_rm(hdd_ipa); |
| if (ret) |
| goto fail_setup_rm; |
| |
| #ifdef IPA_UC_OFFLOAD |
| if (hdd_ipa_uc_is_enabled(hdd_ipa)) { |
| hdd_ipa_uc_rt_debug_init(hdd_ctx); |
| vos_mem_zero(&hdd_ipa->stats, sizeof(hdd_ipa->stats)); |
| hdd_ipa->sap_num_connected_sta = 0; |
| hdd_ipa->ipa_tx_packets_diff = 0; |
| hdd_ipa->ipa_rx_packets_diff = 0; |
| hdd_ipa->ipa_p_tx_packets = 0; |
| hdd_ipa->ipa_p_rx_packets = 0; |
| hdd_ipa->resource_loading = VOS_FALSE; |
| hdd_ipa->resource_unloading = VOS_FALSE; |
| #ifdef IPA_UC_STA_OFFLOAD |
| hdd_ipa->sta_connected = 0; |
| |
| /* Setup IPA sys_pipe for MCC */ |
| if (hdd_ipa_uc_sta_is_enabled(hdd_ipa)) { |
| ret = hdd_ipa_setup_sys_pipe(hdd_ipa); |
| if (ret) |
| goto fail_create_sys_pipe; |
| } |
| #endif |
| hdd_ipa->wdi_enabled = VOS_FALSE; |
| hdd_ipa->uc_loaded = VOS_FALSE; |
| hdd_ipa->ipa_pipes_down = true; |
| uc_ready_param.priv = (void *)hdd_ipa; |
| uc_ready_param.notify = hdd_ipa_uc_loaded_uc_cb; |
| if (ipa_uc_reg_rdyCB(&uc_ready_param)) { |
| HDD_IPA_LOG(VOS_TRACE_LEVEL_ERROR, |
| "UC Ready CB register fail"); |
| goto fail_setup_rm; |
| } |
| if (TRUE == uc_ready_param.is_uC_ready) { |
| HDD_IPA_LOG(VOS_TRACE_LEVEL_ERROR, |
| "UC Ready"); |
| hdd_ipa->uc_loaded = VOS_TRUE; |
| } else { |
| /* WDI disable message to IPA */ |
| meta.msg_len = sizeof(*ipa_msg); |
| ipa_msg = adf_os_mem_alloc(NULL, meta.msg_len); |
| if (ipa_msg == NULL) { |
| hddLog(VOS_TRACE_LEVEL_ERROR, |
| "msg allocation failed"); |
| goto fail_setup_rm; |
| } |
| meta.msg_type = WLAN_WDI_DISABLE; |
| hddLog(VOS_TRACE_LEVEL_INFO, |
| "ipa_send_msg(Evt:%d)", meta.msg_type); |
| ret = ipa_send_msg(&meta, ipa_msg, hdd_ipa_msg_free_fn); |
| if (ret) { |
| hddLog(VOS_TRACE_LEVEL_ERROR, |
| "ipa_send_msg(Evt:%d) - fail=%d", |
| meta.msg_type, ret); |
| adf_os_mem_free(ipa_msg); |
| goto fail_setup_rm; |
| } |
| } |
| hdd_ipa_uc_ol_init(hdd_ctx); |
| } else |
| #endif /* IPA_UC_OFFLOAD */ |
| { |
| ret = hdd_ipa_setup_sys_pipe(hdd_ipa); |
| if (ret) |
| goto fail_create_sys_pipe; |
| |
| ret = hdd_ipa_rx_pipe_desc_alloc(); |
| if (ret) |
| goto fail_alloc_rx_pipe_desc; |
| } |
| |
| ret = hdd_ipa_debugfs_init(hdd_ipa); |
| if (ret) |
| goto fail_alloc_rx_pipe_desc; |
| |
| if (!hdd_ipa_uc_is_enabled(hdd_ipa)) { |
| hdd_ipa->ipv4_notifier.notifier_call = hdd_ipa_ipv4_changed; |
| ret = register_inetaddr_notifier(&hdd_ipa->ipv4_notifier); |
| if (ret) |
| HDD_IPA_LOG(VOS_TRACE_LEVEL_ERROR, |
| "WLAN IPv4 local filter register failed"); |
| } |
| |
| return VOS_STATUS_SUCCESS; |
| fail_alloc_rx_pipe_desc: |
| hdd_ipa_rx_pipe_desc_free(); |
| fail_create_sys_pipe: |
| hdd_ipa_destory_rm_resource(hdd_ipa); |
| fail_setup_rm: |
| if (hdd_ipa) |
| adf_os_mem_free(hdd_ipa); |
| |
| return VOS_STATUS_E_FAILURE; |
| } |
| |
| #ifdef IPA_UC_OFFLOAD |
| /** |
| * hdd_ipa_cleanup_pending_event() - Cleanup IPA pending event list |
| * @param |
| * hdd_ipa : [in] pointer to HDD IPA struct |
| * @return : none |
| */ |
| void hdd_ipa_cleanup_pending_event(struct hdd_ipa_priv *hdd_ipa) |
| { |
| struct ipa_uc_pending_event *pending_event = NULL; |
| |
| while(vos_list_remove_front(&hdd_ipa->pending_event, |
| (vos_list_node_t **)&pending_event) == VOS_STATUS_SUCCESS) { |
| vos_mem_free(pending_event); |
| } |
| |
| vos_list_destroy(&hdd_ipa->pending_event); |
| } |
| #endif |
| |
| /** |
| * hdd_ipa_ready_cb() - Callback function for IPA driver ready |
| * @hdd_ctx: pointer to HDD context |
| * |
| * Return: none |
| */ |
| void hdd_ipa_ready_cb(hdd_context_t *hdd_ctx) |
| { |
| HDD_IPA_LOG(VOS_TRACE_LEVEL_ERROR, |
| "IPA ready callback is called"); |
| complete(&hdd_ctx->ipa_ready); |
| } |
| |
| VOS_STATUS hdd_ipa_cleanup(hdd_context_t *hdd_ctx) |
| { |
| struct hdd_ipa_priv *hdd_ipa = hdd_ctx->hdd_ipa; |
| int i; |
| struct hdd_ipa_iface_context *iface_context = NULL; |
| adf_nbuf_t skb; |
| struct hdd_ipa_pm_tx_cb *pm_tx_cb = NULL; |
| |
| if (!hdd_ipa_is_enabled(hdd_ctx)) |
| return VOS_STATUS_SUCCESS; |
| |
| if (!hdd_ipa_uc_is_enabled(hdd_ipa)) { |
| unregister_inetaddr_notifier(&hdd_ipa->ipv4_notifier); |
| hdd_ipa_teardown_sys_pipe(hdd_ipa); |
| } |
| |
| #ifdef IPA_UC_STA_OFFLOAD |
| /* Teardown IPA sys_pipe for MCC */ |
| if (hdd_ipa_uc_sta_is_enabled(hdd_ipa)) |
| hdd_ipa_teardown_sys_pipe(hdd_ipa); |
| #endif |
| |
| hdd_ipa_destory_rm_resource(hdd_ipa); |
| |
| #ifdef WLAN_OPEN_SOURCE |
| cancel_work_sync(&hdd_ipa->pm_work); |
| #endif |
| |
| adf_os_spin_lock_bh(&hdd_ipa->pm_lock); |
| |
| while (((skb = adf_nbuf_queue_remove(&hdd_ipa->pm_queue_head)) != |
| NULL)) { |
| adf_os_spin_unlock_bh(&hdd_ipa->pm_lock); |
| |
| pm_tx_cb = (struct hdd_ipa_pm_tx_cb *)skb->cb; |
| ipa_free_skb(pm_tx_cb->ipa_tx_desc); |
| |
| adf_os_spin_lock_bh(&hdd_ipa->pm_lock); |
| } |
| adf_os_spin_unlock_bh(&hdd_ipa->pm_lock); |
| |
| adf_os_spinlock_destroy(&hdd_ipa->pm_lock); |
| |
| /* Destroy the interface lock */ |
| for (i = 0; i < HDD_IPA_MAX_IFACE; i++) { |
| iface_context = &hdd_ipa->iface_context[i]; |
| adf_os_spinlock_destroy(&iface_context->interface_lock); |
| } |
| |
| hdd_ipa_debugfs_remove(hdd_ipa); |
| |
| /* This should never hit but still make sure that there are no pending |
| * descriptor in IPA hardware |
| */ |
| if (hdd_ipa->pending_hw_desc_cnt != 0) { |
| HDD_IPA_LOG(VOS_TRACE_LEVEL_ERROR, |
| "IPA Pending write done: %d Waiting!", |
| hdd_ipa->pending_hw_desc_cnt); |
| |
| for (i = 0; hdd_ipa->pending_hw_desc_cnt != 0 && i < 10; i++) { |
| usleep_range(100, 100); |
| } |
| |
| HDD_IPA_LOG(VOS_TRACE_LEVEL_ERROR, |
| "IPA Pending write done: desc: %d %s(%d)!", |
| hdd_ipa->pending_hw_desc_cnt, |
| hdd_ipa->pending_hw_desc_cnt == 0 ? "completed" |
| : "leak", i); |
| } |
| |
| #ifdef IPA_UC_OFFLOAD |
| if (hdd_ipa_uc_is_enabled(hdd_ipa)) { |
| if (ipa_uc_dereg_rdyCB()) |
| HDD_IPA_LOG(VOS_TRACE_LEVEL_ERROR, |
| "UC Ready CB deregister fail"); |
| hdd_ipa_uc_rt_debug_deinit(hdd_ctx); |
| if (VOS_TRUE == hdd_ipa->uc_loaded) { |
| HDD_IPA_LOG(VOS_TRACE_LEVEL_INFO, |
| "%s: Disconnect TX PIPE tx_pipe_handle=0x%x", |
| __func__, hdd_ipa->tx_pipe_handle); |
| ipa_disconnect_wdi_pipe(hdd_ipa->tx_pipe_handle); |
| HDD_IPA_LOG(VOS_TRACE_LEVEL_INFO, |
| "%s: Disconnect RX PIPE rx_pipe_handle=0x%x", |
| __func__, hdd_ipa->rx_pipe_handle); |
| ipa_disconnect_wdi_pipe(hdd_ipa->rx_pipe_handle); |
| } |
| vos_lock_destroy(&hdd_ipa->event_lock); |
| vos_lock_destroy(&hdd_ipa->ipa_lock); |
| hdd_ipa_cleanup_pending_event(hdd_ipa); |
| #ifdef WLAN_OPEN_SOURCE |
| for (i = 0; i < HDD_IPA_UC_OPCODE_MAX; i++) { |
| cancel_work_sync(&hdd_ipa->uc_op_work[i].work); |
| hdd_ipa->uc_op_work[i].msg = NULL; |
| } |
| #endif |
| } else |
| #endif /* IPA_UC_OFFLOAD */ |
| { |
| hdd_ipa_rx_pipe_desc_free(); |
| } |
| |
| adf_os_mem_free(hdd_ipa); |
| hdd_ctx->hdd_ipa = NULL; |
| |
| return VOS_STATUS_SUCCESS; |
| } |
| #endif |
