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coral / imx-board-wlan-src / 3f22fbecb95ecca08c9c92944d28d00723328ac0 / . / CORE / CLD_TXRX / HTT / htt_internal.h
blob: 947444cfe22f53474c07cac5a94a95ee2dbc182c [file] [log] [blame]
/*
* Copyright (c) 2011-2016 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.
*/
#ifndef _HTT_INTERNAL__H_
#define _HTT_INTERNAL__H_
#include <athdefs.h> /* A_STATUS */
#include <adf_nbuf.h> /* adf_nbuf_t */
#include <adf_os_util.h> /* adf_os_assert */
#include <htc_api.h> /* HTC_PACKET */
#include <htt_types.h>
#ifndef offsetof
#define offsetof(type, field) ((size_t)(&((type *)0)->field))
#endif
#undef MS
#define MS(_v, _f) (((_v) & _f##_MASK) >> _f##_LSB)
#undef SM
#define SM(_v, _f) (((_v) << _f##_LSB) & _f##_MASK)
#undef WO
#define WO(_f) ((_f##_OFFSET) >> 2)
#define GET_FIELD(_addr, _f) MS(*((A_UINT32 *)(_addr) + WO(_f)), _f)
#include <rx_desc.h>
#include <wal_rx_desc.h> /* struct rx_attention, etc */
struct htt_host_fw_desc_base {
union {
struct fw_rx_desc_base val;
A_UINT32 dummy_pad; /* make sure it is DOWRD aligned */
} u;
};
/* mark the first packet after wow wakeup */
#define HTT_MARK_FIRST_WAKEUP_PACKET 0x80000000
/*
* This struct defines the basic descriptor information used by host,
* which is written either by the 11ac HW MAC into the host Rx data
* buffer ring directly or generated by FW and copied from Rx indication
*/
#define RX_HTT_HDR_STATUS_LEN 64
struct htt_host_rx_desc_base {
struct htt_host_fw_desc_base fw_desc;
struct rx_attention attention;
struct rx_frag_info frag_info;
struct rx_mpdu_start mpdu_start;
struct rx_msdu_start msdu_start;
struct rx_msdu_end msdu_end;
struct rx_mpdu_end mpdu_end;
struct rx_ppdu_start ppdu_start;
struct rx_ppdu_end ppdu_end;
char rx_hdr_status[RX_HTT_HDR_STATUS_LEN];
};
#define RX_STD_DESC_ATTN_OFFSET \
(offsetof(struct htt_host_rx_desc_base, attention))
#define RX_STD_DESC_FRAG_INFO_OFFSET \
(offsetof(struct htt_host_rx_desc_base, frag_info))
#define RX_STD_DESC_MPDU_START_OFFSET \
(offsetof(struct htt_host_rx_desc_base, mpdu_start))
#define RX_STD_DESC_MSDU_START_OFFSET \
(offsetof(struct htt_host_rx_desc_base, msdu_start))
#define RX_STD_DESC_MSDU_END_OFFSET \
(offsetof(struct htt_host_rx_desc_base, msdu_end))
#define RX_STD_DESC_MPDU_END_OFFSET \
(offsetof(struct htt_host_rx_desc_base, mpdu_end))
#define RX_STD_DESC_PPDU_START_OFFSET \
(offsetof(struct htt_host_rx_desc_base, ppdu_start))
#define RX_STD_DESC_PPDU_END_OFFSET \
(offsetof(struct htt_host_rx_desc_base, ppdu_end))
#define RX_STD_DESC_HDR_STATUS_OFFSET \
(offsetof(struct htt_host_rx_desc_base, rx_hdr_status))
#define RX_STD_DESC_FW_MSDU_OFFSET \
(offsetof(struct htt_host_rx_desc_base, fw_desc))
#define RX_STD_DESC_SIZE (sizeof(struct htt_host_rx_desc_base))
#define RX_STD_DESC_ATTN_OFFSET_DWORD (RX_STD_DESC_ATTN_OFFSET >> 2)
#define RX_STD_DESC_FRAG_INFO_OFFSET_DWORD (RX_STD_DESC_FRAG_INFO_OFFSET >> 2)
#define RX_STD_DESC_MPDU_START_OFFSET_DWORD (RX_STD_DESC_MPDU_START_OFFSET >> 2)
#define RX_STD_DESC_MSDU_START_OFFSET_DWORD (RX_STD_DESC_MSDU_START_OFFSET >> 2)
#define RX_STD_DESC_MSDU_END_OFFSET_DWORD (RX_STD_DESC_MSDU_END_OFFSET >> 2)
#define RX_STD_DESC_MPDU_END_OFFSET_DWORD (RX_STD_DESC_MPDU_END_OFFSET >> 2)
#define RX_STD_DESC_PPDU_START_OFFSET_DWORD (RX_STD_DESC_PPDU_START_OFFSET >> 2)
#define RX_STD_DESC_PPDU_END_OFFSET_DWORD (RX_STD_DESC_PPDU_END_OFFSET >> 2)
#define RX_STD_DESC_HDR_STATUS_OFFSET_DWORD (RX_STD_DESC_HDR_STATUS_OFFSET >> 2)
#define RX_STD_DESC_SIZE_DWORD (RX_STD_DESC_SIZE >> 2)
/*
* Make sure there is a minimum headroom provided in the rx netbufs
* for use by the OS shim and OS and rx data consumers.
*/
#define HTT_RX_BUF_OS_MIN_HEADROOM 32
#define HTT_RX_STD_DESC_RESERVATION \
((HTT_RX_BUF_OS_MIN_HEADROOM > RX_STD_DESC_SIZE) ? \
HTT_RX_BUF_OS_MIN_HEADROOM : RX_STD_DESC_SIZE)
#define HTT_RX_STD_DESC_RESERVATION_DWORD \
(HTT_RX_STD_DESC_RESERVATION >> 2)
#define HTT_RX_DESC_ALIGN_MASK 7 /* 8-byte alignment */
static inline
struct htt_host_rx_desc_base *
htt_rx_desc(adf_nbuf_t msdu)
{
return
(struct htt_host_rx_desc_base *)
(((size_t) (adf_nbuf_head(msdu) + HTT_RX_DESC_ALIGN_MASK)) &
~HTT_RX_DESC_ALIGN_MASK);
}
static inline
void
htt_print_rx_desc(struct htt_host_rx_desc_base *rx_desc)
{
adf_os_print("----------------------RX DESC----------------------------\n");
adf_os_print("attention: %#010x\n",
(unsigned int)(*(u_int32_t *) &rx_desc->attention));
adf_os_print("frag_info: %#010x\n",
(unsigned int)(*(u_int32_t *) &rx_desc->frag_info));
adf_os_print("mpdu_start: %#010x %#010x %#010x\n",
(unsigned int)(((u_int32_t *) &rx_desc->mpdu_start)[0]),
(unsigned int)(((u_int32_t *) &rx_desc->mpdu_start)[1]),
(unsigned int)(((u_int32_t *) &rx_desc->mpdu_start)[2]));
adf_os_print("msdu_start: %#010x %#010x %#010x\n",
(unsigned int)(((u_int32_t *) &rx_desc->msdu_start)[0]),
(unsigned int)(((u_int32_t *) &rx_desc->msdu_start)[1]),
(unsigned int)(((u_int32_t *) &rx_desc->msdu_start)[2]));
adf_os_print("msdu_end: %#010x %#010x %#010x %#010x %#010x\n",
(unsigned int)(((u_int32_t *) &rx_desc->msdu_end)[0]),
(unsigned int)(((u_int32_t *) &rx_desc->msdu_end)[1]),
(unsigned int)(((u_int32_t *) &rx_desc->msdu_end)[2]),
(unsigned int)(((u_int32_t *) &rx_desc->msdu_end)[3]),
(unsigned int)(((u_int32_t *) &rx_desc->msdu_end)[4]));
adf_os_print("mpdu_end: %#010x\n",
(unsigned int)(*(u_int32_t *) &rx_desc->mpdu_end));
adf_os_print("ppdu_start: "
"%#010x %#010x %#010x %#010x %#010x\n"
"%#010x %#010x %#010x %#010x %#010x\n",
(unsigned int)(((u_int32_t *) &rx_desc->ppdu_start)[0]),
(unsigned int)(((u_int32_t *) &rx_desc->ppdu_start)[1]),
(unsigned int)(((u_int32_t *) &rx_desc->ppdu_start)[2]),
(unsigned int)(((u_int32_t *) &rx_desc->ppdu_start)[3]),
(unsigned int)(((u_int32_t *) &rx_desc->ppdu_start)[4]),
(unsigned int)(((u_int32_t *) &rx_desc->ppdu_start)[5]),
(unsigned int)(((u_int32_t *) &rx_desc->ppdu_start)[6]),
(unsigned int)(((u_int32_t *) &rx_desc->ppdu_start)[7]),
(unsigned int)(((u_int32_t *) &rx_desc->ppdu_start)[8]),
(unsigned int)(((u_int32_t *) &rx_desc->ppdu_start)[9]));
adf_os_print("ppdu_end:"
"%#010x %#010x %#010x %#010x %#010x\n"
"%#010x %#010x %#010x %#010x %#010x\n"
"%#010x,%#010x %#010x %#010x %#010x\n"
"%#010x %#010x %#010x %#010x %#010x\n"
"%#010x %#010x\n",
(unsigned int)(((u_int32_t *) &rx_desc->ppdu_end)[0]),
(unsigned int)(((u_int32_t *) &rx_desc->ppdu_end)[1]),
(unsigned int)(((u_int32_t *) &rx_desc->ppdu_end)[2]),
(unsigned int)(((u_int32_t *) &rx_desc->ppdu_end)[3]),
(unsigned int)(((u_int32_t *) &rx_desc->ppdu_end)[4]),
(unsigned int)(((u_int32_t *) &rx_desc->ppdu_end)[5]),
(unsigned int)(((u_int32_t *) &rx_desc->ppdu_end)[6]),
(unsigned int)(((u_int32_t *) &rx_desc->ppdu_end)[7]),
(unsigned int)(((u_int32_t *) &rx_desc->ppdu_end)[8]),
(unsigned int)(((u_int32_t *) &rx_desc->ppdu_end)[9]),
(unsigned int)(((u_int32_t *) &rx_desc->ppdu_end)[10]),
(unsigned int)(((u_int32_t *) &rx_desc->ppdu_end)[11]),
(unsigned int)(((u_int32_t *) &rx_desc->ppdu_end)[12]),
(unsigned int)(((u_int32_t *) &rx_desc->ppdu_end)[13]),
(unsigned int)(((u_int32_t *) &rx_desc->ppdu_end)[14]),
(unsigned int)(((u_int32_t *) &rx_desc->ppdu_end)[15]),
(unsigned int)(((u_int32_t *) &rx_desc->ppdu_end)[16]),
(unsigned int)(((u_int32_t *) &rx_desc->ppdu_end)[17]),
(unsigned int)(((u_int32_t *) &rx_desc->ppdu_end)[18]),
(unsigned int)(((u_int32_t *) &rx_desc->ppdu_end)[19]),
(unsigned int)(((u_int32_t *) &rx_desc->ppdu_end)[20]),
(unsigned int)(((u_int32_t *) &rx_desc->ppdu_end)[21]));
adf_os_print("---------------------------------------------------------\n");
}
#ifndef HTT_ASSERT_LEVEL
#define HTT_ASSERT_LEVEL 3
#endif
#define HTT_ASSERT_ALWAYS(condition) adf_os_assert_always((condition))
#define HTT_ASSERT0(condition) adf_os_assert((condition))
#if HTT_ASSERT_LEVEL > 0
#define HTT_ASSERT1(condition) adf_os_assert((condition))
#else
#define HTT_ASSERT1(condition)
#endif
#if HTT_ASSERT_LEVEL > 1
#define HTT_ASSERT2(condition) adf_os_assert((condition))
#else
#define HTT_ASSERT2(condition)
#endif
#if HTT_ASSERT_LEVEL > 2
#define HTT_ASSERT3(condition) adf_os_assert((condition))
#else
#define HTT_ASSERT3(condition)
#endif
#define HTT_MAC_ADDR_LEN 6
/*
* HTT_MAX_SEND_QUEUE_DEPTH -
* How many packets HTC should allow to accumulate in a send queue
* before calling the EpSendFull callback to see whether to retain
* or drop packets.
* This is not relevant for LL, where tx descriptors should be immediately
* downloaded to the target.
* This is not very relevant for HL either, since it is anticipated that
* the HL tx download scheduler will not work this far in advance - rather,
* it will make its decisions just-in-time, so it can be responsive to
* changing conditions.
* Hence, this queue depth threshold spec is mostly just a formality.
*/
#define HTT_MAX_SEND_QUEUE_DEPTH 64
/* FIX THIS
* Should be: sizeof(struct htt_host_rx_desc) + max rx MSDU size,
* rounded up to a cache line size.
*/
#define HTT_RX_BUF_SIZE 1920
#define MAX_RX_PAYLOAD_SZ (HTT_RX_BUF_SIZE - RX_STD_DESC_SIZE)
/*
* DMA_MAP expects the buffer to be an integral number of cache lines.
* Rather than checking the actual cache line size, this code makes a
* conservative estimate of what the cache line size could be.
*/
#define HTT_LOG2_MAX_CACHE_LINE_SIZE 7 /* 2^7 = 128 */
#define HTT_MAX_CACHE_LINE_SIZE_MASK ((1 << HTT_LOG2_MAX_CACHE_LINE_SIZE) - 1)
#ifdef BIG_ENDIAN_HOST
/*
* big-endian: bytes within a 4-byte "word" are swapped:
* pre-swap post-swap
* index index
* 0 3
* 1 2
* 2 1
* 3 0
* 4 7
* 5 6
* etc.
* To compute the post-swap index from the pre-swap index, compute
* the byte offset for the start of the word (index & ~0x3) and add
* the swapped byte offset within the word (3 - (index & 0x3)).
*/
#define HTT_ENDIAN_BYTE_IDX_SWAP(idx) (((idx) & ~0x3) + (3 - ((idx) & 0x3)))
#else
/* little-endian: no adjustment needed */
#define HTT_ENDIAN_BYTE_IDX_SWAP(idx) idx
#endif
#define HTT_TX_MUTEX_INIT(_mutex) \
adf_os_spinlock_init(_mutex)
#define HTT_TX_MUTEX_ACQUIRE(_mutex) \
adf_os_spin_lock_bh(_mutex)
#define HTT_TX_MUTEX_RELEASE(_mutex) \
adf_os_spin_unlock_bh(_mutex)
#define HTT_TX_MUTEX_DESTROY(_mutex) \
adf_os_spinlock_destroy(_mutex)
#define HTT_TX_DESC_PADDR(_pdev, _tx_desc_vaddr) \
((_pdev)->tx_descs.pool_paddr + (u_int32_t) \
((char *)(_tx_desc_vaddr) - \
(char *)((_pdev)->tx_descs.pool_vaddr)))
#ifdef ATH_11AC_TXCOMPACT
#define HTT_TX_NBUF_QUEUE_MUTEX_INIT(_pdev) \
adf_os_spinlock_init(&_pdev->txnbufq_mutex)
#define HTT_TX_NBUF_QUEUE_MUTEX_DESTROY(_pdev) \
HTT_TX_MUTEX_DESTROY(&_pdev->txnbufq_mutex)
#define HTT_TX_NBUF_QUEUE_REMOVE(_pdev, _msdu) \
HTT_TX_MUTEX_ACQUIRE(&_pdev->txnbufq_mutex); \
_msdu = adf_nbuf_queue_remove(&_pdev->txnbufq);\
HTT_TX_MUTEX_RELEASE(&_pdev->txnbufq_mutex)
#define HTT_TX_NBUF_QUEUE_ADD(_pdev, _msdu) \
HTT_TX_MUTEX_ACQUIRE(&_pdev->txnbufq_mutex); \
adf_nbuf_queue_add(&_pdev->txnbufq, _msdu);\
HTT_TX_MUTEX_RELEASE(&_pdev->txnbufq_mutex)
#define HTT_TX_NBUF_QUEUE_INSERT_HEAD(_pdev, _msdu) \
HTT_TX_MUTEX_ACQUIRE(&_pdev->txnbufq_mutex); \
adf_nbuf_queue_insert_head(&_pdev->txnbufq, _msdu);\
HTT_TX_MUTEX_RELEASE(&_pdev->txnbufq_mutex)
#else
#define HTT_TX_NBUF_QUEUE_MUTEX_INIT(_pdev)
#define HTT_TX_NBUF_QUEUE_REMOVE(_pdev, _msdu)
#define HTT_TX_NBUF_QUEUE_ADD(_pdev, _msdu)
#define HTT_TX_NBUF_QUEUE_INSERT_HEAD(_pdev, _msdu)
#define HTT_TX_NBUF_QUEUE_MUTEX_DESTROY(_pdev)
#endif
#ifdef ATH_11AC_TXCOMPACT
#define HTT_TX_SCHED htt_tx_sched
#else
#define HTT_TX_SCHED(pdev) /* no-op */
#endif
int
htt_tx_attach(struct htt_pdev_t *pdev, int desc_pool_elems);
void
htt_tx_detach(struct htt_pdev_t *pdev);
int
htt_rx_attach(struct htt_pdev_t *pdev);
void
htt_rx_detach(struct htt_pdev_t *pdev);
int
htt_htc_attach(struct htt_pdev_t *pdev);
/**
* htt_htc_detach() - Detach htc service from htt
* @pdev: htt pdev handle
*
*
* Return: None
*/
void
htt_htc_detach(struct htt_pdev_t *pdev);
void
htt_t2h_msg_handler(void *context, HTC_PACKET *pkt);
void
htt_tx_resume_handler(void *);
void
htt_h2t_send_complete(void *context, HTC_PACKET *pkt);
A_STATUS
htt_h2t_ver_req_msg(struct htt_pdev_t *pdev);
extern A_STATUS (*htt_h2t_rx_ring_cfg_msg)(
struct htt_pdev_t *pdev);
HTC_SEND_FULL_ACTION
htt_h2t_full(void *context, HTC_PACKET *pkt);
struct htt_htc_pkt *
htt_htc_pkt_alloc(struct htt_pdev_t *pdev);
void
htt_htc_pkt_free(struct htt_pdev_t *pdev, struct htt_htc_pkt *pkt);
void
htt_htc_pkt_pool_free(struct htt_pdev_t *pdev);
#ifdef ATH_11AC_TXCOMPACT
void
htt_htc_misc_pkt_list_add(struct htt_pdev_t *pdev, struct htt_htc_pkt *pkt);
void
htt_htc_misc_pkt_pool_free(struct htt_pdev_t *pdev);
#endif
void htt_htc_disable_aspm(void);
int
htt_rx_hash_list_insert(struct htt_pdev_t *pdev, u_int32_t paddr,
adf_nbuf_t netbuf);
adf_nbuf_t
htt_rx_hash_list_lookup(struct htt_pdev_t *pdev, u_int32_t paddr);
#ifdef IPA_UC_OFFLOAD
int
htt_tx_ipa_uc_attach(struct htt_pdev_t *pdev,
unsigned int uc_tx_buf_sz,
unsigned int uc_tx_buf_cnt,
unsigned int uc_tx_partition_base);
int
htt_rx_ipa_uc_attach(struct htt_pdev_t *pdev,
unsigned int rx_ind_ring_size);
int
htt_tx_ipa_uc_detach(struct htt_pdev_t *pdev);
int
htt_rx_ipa_uc_detach(struct htt_pdev_t *pdev);
#endif /* IPA_UC_OFFLOAD */
/* Maximum Outstanding Bus Download */
#define HTT_MAX_BUS_CREDIT 33
int
htt_tx_credit_update(struct htt_pdev_t *pdev);
#ifdef FEATURE_HL_GROUP_CREDIT_FLOW_CONTROL
#define HTT_TX_GROUP_INDEX_OFFSET \
(sizeof(struct htt_txq_group) / sizeof(u_int32_t))
void htt_tx_group_credit_process(struct htt_pdev_t *pdev, u_int32_t *msg_word);
#define HTT_TX_GROUP_CREDIT_PROCESS htt_tx_group_credit_process
#else
#define HTT_TX_GROUP_CREDIT_PROCESS(pdev, msg_word) /* no-op */
#endif
#endif /* _HTT_INTERNAL__H_ */