blob: 5e12d2a6a36f554641af135e43b48b959d950ae5 [file] [log] [blame]
/*
* 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, &eth_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