diff options
Diffstat (limited to 'drivers/net/wireless/ath/ath12k/hal_rx.c')
| -rw-r--r-- | drivers/net/wireless/ath/ath12k/hal_rx.c | 850 |
1 files changed, 850 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath/ath12k/hal_rx.c b/drivers/net/wireless/ath/ath12k/hal_rx.c new file mode 100644 index 000000000000..ee61a6462fdc --- /dev/null +++ b/drivers/net/wireless/ath/ath12k/hal_rx.c @@ -0,0 +1,850 @@ +// SPDX-License-Identifier: BSD-3-Clause-Clear +/* + * Copyright (c) 2018-2021 The Linux Foundation. All rights reserved. + * Copyright (c) 2021-2022 Qualcomm Innovation Center, Inc. All rights reserved. + */ + +#include "debug.h" +#include "hal.h" +#include "hal_tx.h" +#include "hal_rx.h" +#include "hal_desc.h" +#include "hif.h" + +static void ath12k_hal_reo_set_desc_hdr(struct hal_desc_header *hdr, + u8 owner, u8 buffer_type, u32 magic) +{ + hdr->info0 = le32_encode_bits(owner, HAL_DESC_HDR_INFO0_OWNER) | + le32_encode_bits(buffer_type, HAL_DESC_HDR_INFO0_BUF_TYPE); + + /* Magic pattern in reserved bits for debugging */ + hdr->info0 |= le32_encode_bits(magic, HAL_DESC_HDR_INFO0_DBG_RESERVED); +} + +static int ath12k_hal_reo_cmd_queue_stats(struct hal_tlv_64_hdr *tlv, + struct ath12k_hal_reo_cmd *cmd) +{ + struct hal_reo_get_queue_stats *desc; + + tlv->tl = u32_encode_bits(HAL_REO_GET_QUEUE_STATS, HAL_TLV_HDR_TAG) | + u32_encode_bits(sizeof(*desc), HAL_TLV_HDR_LEN); + + desc = (struct hal_reo_get_queue_stats *)tlv->value; + memset_startat(desc, 0, queue_addr_lo); + + desc->cmd.info0 &= ~cpu_to_le32(HAL_REO_CMD_HDR_INFO0_STATUS_REQUIRED); + if (cmd->flag & HAL_REO_CMD_FLG_NEED_STATUS) + desc->cmd.info0 |= cpu_to_le32(HAL_REO_CMD_HDR_INFO0_STATUS_REQUIRED); + + desc->queue_addr_lo = cpu_to_le32(cmd->addr_lo); + desc->info0 = le32_encode_bits(cmd->addr_hi, + HAL_REO_GET_QUEUE_STATS_INFO0_QUEUE_ADDR_HI); + if (cmd->flag & HAL_REO_CMD_FLG_STATS_CLEAR) + desc->info0 |= cpu_to_le32(HAL_REO_GET_QUEUE_STATS_INFO0_CLEAR_STATS); + + return le32_get_bits(desc->cmd.info0, HAL_REO_CMD_HDR_INFO0_CMD_NUMBER); +} + +static int ath12k_hal_reo_cmd_flush_cache(struct ath12k_hal *hal, + struct hal_tlv_64_hdr *tlv, + struct ath12k_hal_reo_cmd *cmd) +{ + struct hal_reo_flush_cache *desc; + u8 avail_slot = ffz(hal->avail_blk_resource); + + if (cmd->flag & HAL_REO_CMD_FLG_FLUSH_BLOCK_LATER) { + if (avail_slot >= HAL_MAX_AVAIL_BLK_RES) + return -ENOSPC; + + hal->current_blk_index = avail_slot; + } + + tlv->tl = u32_encode_bits(HAL_REO_FLUSH_CACHE, HAL_TLV_HDR_TAG) | + u32_encode_bits(sizeof(*desc), HAL_TLV_HDR_LEN); + + desc = (struct hal_reo_flush_cache *)tlv->value; + memset_startat(desc, 0, cache_addr_lo); + + desc->cmd.info0 &= ~cpu_to_le32(HAL_REO_CMD_HDR_INFO0_STATUS_REQUIRED); + if (cmd->flag & HAL_REO_CMD_FLG_NEED_STATUS) + desc->cmd.info0 |= cpu_to_le32(HAL_REO_CMD_HDR_INFO0_STATUS_REQUIRED); + + desc->cache_addr_lo = cpu_to_le32(cmd->addr_lo); + desc->info0 = le32_encode_bits(cmd->addr_hi, + HAL_REO_FLUSH_CACHE_INFO0_CACHE_ADDR_HI); + + if (cmd->flag & HAL_REO_CMD_FLG_FLUSH_FWD_ALL_MPDUS) + desc->info0 |= cpu_to_le32(HAL_REO_FLUSH_CACHE_INFO0_FWD_ALL_MPDUS); + + if (cmd->flag & HAL_REO_CMD_FLG_FLUSH_BLOCK_LATER) { + desc->info0 |= cpu_to_le32(HAL_REO_FLUSH_CACHE_INFO0_BLOCK_CACHE_USAGE); + desc->info0 |= + le32_encode_bits(avail_slot, + HAL_REO_FLUSH_CACHE_INFO0_BLOCK_RESRC_IDX); + } + + if (cmd->flag & HAL_REO_CMD_FLG_FLUSH_NO_INVAL) + desc->info0 |= cpu_to_le32(HAL_REO_FLUSH_CACHE_INFO0_FLUSH_WO_INVALIDATE); + + if (cmd->flag & HAL_REO_CMD_FLG_FLUSH_ALL) + desc->info0 |= cpu_to_le32(HAL_REO_FLUSH_CACHE_INFO0_FLUSH_ALL); + + return le32_get_bits(desc->cmd.info0, HAL_REO_CMD_HDR_INFO0_CMD_NUMBER); +} + +static int ath12k_hal_reo_cmd_update_rx_queue(struct hal_tlv_64_hdr *tlv, + struct ath12k_hal_reo_cmd *cmd) +{ + struct hal_reo_update_rx_queue *desc; + + tlv->tl = u32_encode_bits(HAL_REO_UPDATE_RX_REO_QUEUE, HAL_TLV_HDR_TAG) | + u32_encode_bits(sizeof(*desc), HAL_TLV_HDR_LEN); + + desc = (struct hal_reo_update_rx_queue *)tlv->value; + memset_startat(desc, 0, queue_addr_lo); + + desc->cmd.info0 &= ~cpu_to_le32(HAL_REO_CMD_HDR_INFO0_STATUS_REQUIRED); + if (cmd->flag & HAL_REO_CMD_FLG_NEED_STATUS) + desc->cmd.info0 |= cpu_to_le32(HAL_REO_CMD_HDR_INFO0_STATUS_REQUIRED); + + desc->queue_addr_lo = cpu_to_le32(cmd->addr_lo); + desc->info0 = + le32_encode_bits(cmd->addr_hi, + HAL_REO_UPD_RX_QUEUE_INFO0_QUEUE_ADDR_HI) | + le32_encode_bits(!!(cmd->upd0 & HAL_REO_CMD_UPD0_RX_QUEUE_NUM), + HAL_REO_UPD_RX_QUEUE_INFO0_UPD_RX_QUEUE_NUM) | + le32_encode_bits(!!(cmd->upd0 & HAL_REO_CMD_UPD0_VLD), + HAL_REO_UPD_RX_QUEUE_INFO0_UPD_VLD) | + le32_encode_bits(!!(cmd->upd0 & HAL_REO_CMD_UPD0_ALDC), + HAL_REO_UPD_RX_QUEUE_INFO0_UPD_ASSOC_LNK_DESC_CNT) | + le32_encode_bits(!!(cmd->upd0 & HAL_REO_CMD_UPD0_DIS_DUP_DETECTION), + HAL_REO_UPD_RX_QUEUE_INFO0_UPD_DIS_DUP_DETECTION) | + le32_encode_bits(!!(cmd->upd0 & HAL_REO_CMD_UPD0_SOFT_REORDER_EN), + HAL_REO_UPD_RX_QUEUE_INFO0_UPD_SOFT_REORDER_EN) | + le32_encode_bits(!!(cmd->upd0 & HAL_REO_CMD_UPD0_AC), + HAL_REO_UPD_RX_QUEUE_INFO0_UPD_AC) | + le32_encode_bits(!!(cmd->upd0 & HAL_REO_CMD_UPD0_BAR), + HAL_REO_UPD_RX_QUEUE_INFO0_UPD_BAR) | + le32_encode_bits(!!(cmd->upd0 & HAL_REO_CMD_UPD0_RETRY), + HAL_REO_UPD_RX_QUEUE_INFO0_UPD_RETRY) | + le32_encode_bits(!!(cmd->upd0 & HAL_REO_CMD_UPD0_CHECK_2K_MODE), + HAL_REO_UPD_RX_QUEUE_INFO0_UPD_CHECK_2K_MODE) | + le32_encode_bits(!!(cmd->upd0 & HAL_REO_CMD_UPD0_OOR_MODE), + HAL_REO_UPD_RX_QUEUE_INFO0_UPD_OOR_MODE) | + le32_encode_bits(!!(cmd->upd0 & HAL_REO_CMD_UPD0_BA_WINDOW_SIZE), + HAL_REO_UPD_RX_QUEUE_INFO0_UPD_BA_WINDOW_SIZE) | + le32_encode_bits(!!(cmd->upd0 & HAL_REO_CMD_UPD0_PN_CHECK), + HAL_REO_UPD_RX_QUEUE_INFO0_UPD_PN_CHECK) | + le32_encode_bits(!!(cmd->upd0 & HAL_REO_CMD_UPD0_EVEN_PN), + HAL_REO_UPD_RX_QUEUE_INFO0_UPD_EVEN_PN) | + le32_encode_bits(!!(cmd->upd0 & HAL_REO_CMD_UPD0_UNEVEN_PN), + HAL_REO_UPD_RX_QUEUE_INFO0_UPD_UNEVEN_PN) | + le32_encode_bits(!!(cmd->upd0 & HAL_REO_CMD_UPD0_PN_HANDLE_ENABLE), + HAL_REO_UPD_RX_QUEUE_INFO0_UPD_PN_HANDLE_ENABLE) | + le32_encode_bits(!!(cmd->upd0 & HAL_REO_CMD_UPD0_PN_SIZE), + HAL_REO_UPD_RX_QUEUE_INFO0_UPD_PN_SIZE) | + le32_encode_bits(!!(cmd->upd0 & HAL_REO_CMD_UPD0_IGNORE_AMPDU_FLG), + HAL_REO_UPD_RX_QUEUE_INFO0_UPD_IGNORE_AMPDU_FLG) | + le32_encode_bits(!!(cmd->upd0 & HAL_REO_CMD_UPD0_SVLD), + HAL_REO_UPD_RX_QUEUE_INFO0_UPD_SVLD) | + le32_encode_bits(!!(cmd->upd0 & HAL_REO_CMD_UPD0_SSN), + HAL_REO_UPD_RX_QUEUE_INFO0_UPD_SSN) | + le32_encode_bits(!!(cmd->upd0 & HAL_REO_CMD_UPD0_SEQ_2K_ERR), + HAL_REO_UPD_RX_QUEUE_INFO0_UPD_SEQ_2K_ERR) | + le32_encode_bits(!!(cmd->upd0 & HAL_REO_CMD_UPD0_PN_VALID), + HAL_REO_UPD_RX_QUEUE_INFO0_UPD_PN_VALID) | + le32_encode_bits(!!(cmd->upd0 & HAL_REO_CMD_UPD0_PN), + HAL_REO_UPD_RX_QUEUE_INFO0_UPD_PN); + + desc->info1 = + le32_encode_bits(cmd->rx_queue_num, + HAL_REO_UPD_RX_QUEUE_INFO1_RX_QUEUE_NUMBER) | + le32_encode_bits(!!(cmd->upd1 & HAL_REO_CMD_UPD1_VLD), + HAL_REO_UPD_RX_QUEUE_INFO1_VLD) | + le32_encode_bits(u32_get_bits(cmd->upd1, HAL_REO_CMD_UPD1_ALDC), + HAL_REO_UPD_RX_QUEUE_INFO1_ASSOC_LNK_DESC_COUNTER) | + le32_encode_bits(!!(cmd->upd1 & HAL_REO_CMD_UPD1_DIS_DUP_DETECTION), + HAL_REO_UPD_RX_QUEUE_INFO1_DIS_DUP_DETECTION) | + le32_encode_bits(!!(cmd->upd1 & HAL_REO_CMD_UPD1_SOFT_REORDER_EN), + HAL_REO_UPD_RX_QUEUE_INFO1_SOFT_REORDER_EN) | + le32_encode_bits(u32_get_bits(cmd->upd1, HAL_REO_CMD_UPD1_AC), + HAL_REO_UPD_RX_QUEUE_INFO1_AC) | + le32_encode_bits(!!(cmd->upd1 & HAL_REO_CMD_UPD1_BAR), + HAL_REO_UPD_RX_QUEUE_INFO1_BAR) | + le32_encode_bits(!!(cmd->upd1 & HAL_REO_CMD_UPD1_CHECK_2K_MODE), + HAL_REO_UPD_RX_QUEUE_INFO1_CHECK_2K_MODE) | + le32_encode_bits(!!(cmd->upd1 & HAL_REO_CMD_UPD1_RETRY), + HAL_REO_UPD_RX_QUEUE_INFO1_RETRY) | + le32_encode_bits(!!(cmd->upd1 & HAL_REO_CMD_UPD1_OOR_MODE), + HAL_REO_UPD_RX_QUEUE_INFO1_OOR_MODE) | + le32_encode_bits(!!(cmd->upd1 & HAL_REO_CMD_UPD1_PN_CHECK), + HAL_REO_UPD_RX_QUEUE_INFO1_PN_CHECK) | + le32_encode_bits(!!(cmd->upd1 & HAL_REO_CMD_UPD1_EVEN_PN), + HAL_REO_UPD_RX_QUEUE_INFO1_EVEN_PN) | + le32_encode_bits(!!(cmd->upd1 & HAL_REO_CMD_UPD1_UNEVEN_PN), + HAL_REO_UPD_RX_QUEUE_INFO1_UNEVEN_PN) | + le32_encode_bits(!!(cmd->upd1 & HAL_REO_CMD_UPD1_PN_HANDLE_ENABLE), + HAL_REO_UPD_RX_QUEUE_INFO1_PN_HANDLE_ENABLE) | + le32_encode_bits(!!(cmd->upd1 & HAL_REO_CMD_UPD1_IGNORE_AMPDU_FLG), + HAL_REO_UPD_RX_QUEUE_INFO1_IGNORE_AMPDU_FLG); + + if (cmd->pn_size == 24) + cmd->pn_size = HAL_RX_REO_QUEUE_PN_SIZE_24; + else if (cmd->pn_size == 48) + cmd->pn_size = HAL_RX_REO_QUEUE_PN_SIZE_48; + else if (cmd->pn_size == 128) + cmd->pn_size = HAL_RX_REO_QUEUE_PN_SIZE_128; + + if (cmd->ba_window_size < 1) + cmd->ba_window_size = 1; + + if (cmd->ba_window_size == 1) + cmd->ba_window_size++; + + desc->info2 = + le32_encode_bits(cmd->ba_window_size - 1, + HAL_REO_UPD_RX_QUEUE_INFO2_BA_WINDOW_SIZE) | + le32_encode_bits(cmd->pn_size, HAL_REO_UPD_RX_QUEUE_INFO2_PN_SIZE) | + le32_encode_bits(!!(cmd->upd2 & HAL_REO_CMD_UPD2_SVLD), + HAL_REO_UPD_RX_QUEUE_INFO2_SVLD) | + le32_encode_bits(u32_get_bits(cmd->upd2, HAL_REO_CMD_UPD2_SSN), + HAL_REO_UPD_RX_QUEUE_INFO2_SSN) | + le32_encode_bits(!!(cmd->upd2 & HAL_REO_CMD_UPD2_SEQ_2K_ERR), + HAL_REO_UPD_RX_QUEUE_INFO2_SEQ_2K_ERR) | + le32_encode_bits(!!(cmd->upd2 & HAL_REO_CMD_UPD2_PN_ERR), + HAL_REO_UPD_RX_QUEUE_INFO2_PN_ERR); + + return le32_get_bits(desc->cmd.info0, HAL_REO_CMD_HDR_INFO0_CMD_NUMBER); +} + +int ath12k_hal_reo_cmd_send(struct ath12k_base *ab, struct hal_srng *srng, + enum hal_reo_cmd_type type, + struct ath12k_hal_reo_cmd *cmd) +{ + struct hal_tlv_64_hdr *reo_desc; + int ret; + + spin_lock_bh(&srng->lock); + + ath12k_hal_srng_access_begin(ab, srng); + reo_desc = ath12k_hal_srng_src_get_next_entry(ab, srng); + if (!reo_desc) { + ret = -ENOBUFS; + goto out; + } + + switch (type) { + case HAL_REO_CMD_GET_QUEUE_STATS: + ret = ath12k_hal_reo_cmd_queue_stats(reo_desc, cmd); + break; + case HAL_REO_CMD_FLUSH_CACHE: + ret = ath12k_hal_reo_cmd_flush_cache(&ab->hal, reo_desc, cmd); + break; + case HAL_REO_CMD_UPDATE_RX_QUEUE: + ret = ath12k_hal_reo_cmd_update_rx_queue(reo_desc, cmd); + break; + case HAL_REO_CMD_FLUSH_QUEUE: + case HAL_REO_CMD_UNBLOCK_CACHE: + case HAL_REO_CMD_FLUSH_TIMEOUT_LIST: + ath12k_warn(ab, "Unsupported reo command %d\n", type); + ret = -ENOTSUPP; + break; + default: + ath12k_warn(ab, "Unknown reo command %d\n", type); + ret = -EINVAL; + break; + } + +out: + ath12k_hal_srng_access_end(ab, srng); + spin_unlock_bh(&srng->lock); + + return ret; +} + +void ath12k_hal_rx_buf_addr_info_set(struct ath12k_buffer_addr *binfo, + dma_addr_t paddr, u32 cookie, u8 manager) +{ + u32 paddr_lo, paddr_hi; + + paddr_lo = lower_32_bits(paddr); + paddr_hi = upper_32_bits(paddr); + binfo->info0 = le32_encode_bits(paddr_lo, BUFFER_ADDR_INFO0_ADDR); + binfo->info1 = le32_encode_bits(paddr_hi, BUFFER_ADDR_INFO1_ADDR) | + le32_encode_bits(cookie, BUFFER_ADDR_INFO1_SW_COOKIE) | + le32_encode_bits(manager, BUFFER_ADDR_INFO1_RET_BUF_MGR); +} + +void ath12k_hal_rx_buf_addr_info_get(struct ath12k_buffer_addr *binfo, + dma_addr_t *paddr, + u32 *cookie, u8 *rbm) +{ + *paddr = (((u64)le32_get_bits(binfo->info1, BUFFER_ADDR_INFO1_ADDR)) << 32) | + le32_get_bits(binfo->info0, BUFFER_ADDR_INFO0_ADDR); + *cookie = le32_get_bits(binfo->info1, BUFFER_ADDR_INFO1_SW_COOKIE); + *rbm = le32_get_bits(binfo->info1, BUFFER_ADDR_INFO1_RET_BUF_MGR); +} + +void ath12k_hal_rx_msdu_link_info_get(struct hal_rx_msdu_link *link, u32 *num_msdus, + u32 *msdu_cookies, + enum hal_rx_buf_return_buf_manager *rbm) +{ + struct hal_rx_msdu_details *msdu; + u32 val; + int i; + + *num_msdus = HAL_NUM_RX_MSDUS_PER_LINK_DESC; + + msdu = &link->msdu_link[0]; + *rbm = le32_get_bits(msdu->buf_addr_info.info1, + BUFFER_ADDR_INFO1_RET_BUF_MGR); + + for (i = 0; i < *num_msdus; i++) { + msdu = &link->msdu_link[i]; + + val = le32_get_bits(msdu->buf_addr_info.info0, + BUFFER_ADDR_INFO0_ADDR); + if (val == 0) { + *num_msdus = i; + break; + } + *msdu_cookies = le32_get_bits(msdu->buf_addr_info.info1, + BUFFER_ADDR_INFO1_SW_COOKIE); + msdu_cookies++; + } +} + +int ath12k_hal_desc_reo_parse_err(struct ath12k_base *ab, + struct hal_reo_dest_ring *desc, + dma_addr_t *paddr, u32 *desc_bank) +{ + enum hal_reo_dest_ring_push_reason push_reason; + enum hal_reo_dest_ring_error_code err_code; + u32 cookie, val; + + push_reason = le32_get_bits(desc->info0, + HAL_REO_DEST_RING_INFO0_PUSH_REASON); + err_code = le32_get_bits(desc->info0, + HAL_REO_DEST_RING_INFO0_ERROR_CODE); + ab->soc_stats.reo_error[err_code]++; + + if (push_reason != HAL_REO_DEST_RING_PUSH_REASON_ERR_DETECTED && + push_reason != HAL_REO_DEST_RING_PUSH_REASON_ROUTING_INSTRUCTION) { + ath12k_warn(ab, "expected error push reason code, received %d\n", + push_reason); + return -EINVAL; + } + + val = le32_get_bits(desc->info0, HAL_REO_DEST_RING_INFO0_BUFFER_TYPE); + if (val != HAL_REO_DEST_RING_BUFFER_TYPE_LINK_DESC) { + ath12k_warn(ab, "expected buffer type link_desc"); + return -EINVAL; + } + + ath12k_hal_rx_reo_ent_paddr_get(ab, &desc->buf_addr_info, paddr, &cookie); + *desc_bank = u32_get_bits(cookie, DP_LINK_DESC_BANK_MASK); + + return 0; +} + +int ath12k_hal_wbm_desc_parse_err(struct ath12k_base *ab, void *desc, + struct hal_rx_wbm_rel_info *rel_info) +{ + struct hal_wbm_release_ring *wbm_desc = desc; + struct hal_wbm_release_ring_cc_rx *wbm_cc_desc = desc; + enum hal_wbm_rel_desc_type type; + enum hal_wbm_rel_src_module rel_src; + bool hw_cc_done; + u64 desc_va; + u32 val; + + type = le32_get_bits(wbm_desc->info0, HAL_WBM_RELEASE_INFO0_DESC_TYPE); + /* We expect only WBM_REL buffer type */ + if (type != HAL_WBM_REL_DESC_TYPE_REL_MSDU) { + WARN_ON(1); + return -EINVAL; + } + + rel_src = le32_get_bits(wbm_desc->info0, + HAL_WBM_RELEASE_INFO0_REL_SRC_MODULE); + if (rel_src != HAL_WBM_REL_SRC_MODULE_RXDMA && + rel_src != HAL_WBM_REL_SRC_MODULE_REO) + return -EINVAL; + + /* The format of wbm rel ring desc changes based on the + * hw cookie conversion status + */ + hw_cc_done = le32_get_bits(wbm_desc->info0, + HAL_WBM_RELEASE_RX_INFO0_CC_STATUS); + + if (!hw_cc_done) { + val = le32_get_bits(wbm_desc->buf_addr_info.info1, + BUFFER_ADDR_INFO1_RET_BUF_MGR); + if (val != HAL_RX_BUF_RBM_SW3_BM) { + ab->soc_stats.invalid_rbm++; + return -EINVAL; + } + + rel_info->cookie = le32_get_bits(wbm_desc->buf_addr_info.info1, + BUFFER_ADDR_INFO1_SW_COOKIE); + + rel_info->rx_desc = NULL; + } else { + val = le32_get_bits(wbm_cc_desc->info0, + HAL_WBM_RELEASE_RX_CC_INFO0_RBM); + if (val != HAL_RX_BUF_RBM_SW3_BM) { + ab->soc_stats.invalid_rbm++; + return -EINVAL; + } + + rel_info->cookie = le32_get_bits(wbm_cc_desc->info1, + HAL_WBM_RELEASE_RX_CC_INFO1_COOKIE); + + desc_va = ((u64)le32_to_cpu(wbm_cc_desc->buf_va_hi) << 32 | + le32_to_cpu(wbm_cc_desc->buf_va_lo)); + rel_info->rx_desc = + (struct ath12k_rx_desc_info *)((unsigned long)desc_va); + } + + rel_info->err_rel_src = rel_src; + rel_info->hw_cc_done = hw_cc_done; + + rel_info->first_msdu = le32_get_bits(wbm_desc->info3, + HAL_WBM_RELEASE_INFO3_FIRST_MSDU); + rel_info->last_msdu = le32_get_bits(wbm_desc->info3, + HAL_WBM_RELEASE_INFO3_LAST_MSDU); + rel_info->continuation = le32_get_bits(wbm_desc->info3, + HAL_WBM_RELEASE_INFO3_CONTINUATION); + + if (rel_info->err_rel_src == HAL_WBM_REL_SRC_MODULE_REO) { + rel_info->push_reason = + le32_get_bits(wbm_desc->info0, + HAL_WBM_RELEASE_INFO0_REO_PUSH_REASON); + rel_info->err_code = + le32_get_bits(wbm_desc->info0, + HAL_WBM_RELEASE_INFO0_REO_ERROR_CODE); + } else { + rel_info->push_reason = + le32_get_bits(wbm_desc->info0, + HAL_WBM_RELEASE_INFO0_RXDMA_PUSH_REASON); + rel_info->err_code = + le32_get_bits(wbm_desc->info0, + HAL_WBM_RELEASE_INFO0_RXDMA_ERROR_CODE); + } + + return 0; +} + +void ath12k_hal_rx_reo_ent_paddr_get(struct ath12k_base *ab, + struct ath12k_buffer_addr *buff_addr, + dma_addr_t *paddr, u32 *cookie) +{ + *paddr = ((u64)(le32_get_bits(buff_addr->info1, + BUFFER_ADDR_INFO1_ADDR)) << 32) | + le32_get_bits(buff_addr->info0, BUFFER_ADDR_INFO0_ADDR); + + *cookie = le32_get_bits(buff_addr->info1, BUFFER_ADDR_INFO1_SW_COOKIE); +} + +void ath12k_hal_rx_msdu_link_desc_set(struct ath12k_base *ab, + struct hal_wbm_release_ring *dst_desc, + struct hal_wbm_release_ring *src_desc, + enum hal_wbm_rel_bm_act action) +{ + dst_desc->buf_addr_info = src_desc->buf_addr_info; + dst_desc->info0 |= le32_encode_bits(HAL_WBM_REL_SRC_MODULE_SW, + HAL_WBM_RELEASE_INFO0_REL_SRC_MODULE) | + le32_encode_bits(action, HAL_WBM_RELEASE_INFO0_BM_ACTION) | + le32_encode_bits(HAL_WBM_REL_DESC_TYPE_MSDU_LINK, + HAL_WBM_RELEASE_INFO0_DESC_TYPE); +} + +void ath12k_hal_reo_status_queue_stats(struct ath12k_base *ab, struct hal_tlv_64_hdr *tlv, + struct hal_reo_status *status) +{ + struct hal_reo_get_queue_stats_status *desc = + (struct hal_reo_get_queue_stats_status *)tlv->value; + + status->uniform_hdr.cmd_num = + le32_get_bits(desc->hdr.info0, + HAL_REO_STATUS_HDR_INFO0_STATUS_NUM); + status->uniform_hdr.cmd_status = + le32_get_bits(desc->hdr.info0, + HAL_REO_STATUS_HDR_INFO0_EXEC_STATUS); + + ath12k_dbg(ab, ATH12K_DBG_HAL, "Queue stats status:\n"); + ath12k_dbg(ab, ATH12K_DBG_HAL, "header: cmd_num %d status %d\n", + status->uniform_hdr.cmd_num, + status->uniform_hdr.cmd_status); + ath12k_dbg(ab, ATH12K_DBG_HAL, "ssn %u cur_idx %u\n", + le32_get_bits(desc->info0, + HAL_REO_GET_QUEUE_STATS_STATUS_INFO0_SSN), + le32_get_bits(desc->info0, + HAL_REO_GET_QUEUE_STATS_STATUS_INFO0_CUR_IDX)); + ath12k_dbg(ab, ATH12K_DBG_HAL, "pn = [%08x, %08x, %08x, %08x]\n", + desc->pn[0], desc->pn[1], desc->pn[2], desc->pn[3]); + ath12k_dbg(ab, ATH12K_DBG_HAL, "last_rx: enqueue_tstamp %08x dequeue_tstamp %08x\n", + desc->last_rx_enqueue_timestamp, + desc->last_rx_dequeue_timestamp); + ath12k_dbg(ab, ATH12K_DBG_HAL, "rx_bitmap [%08x %08x %08x %08x %08x %08x %08x %08x]\n", + desc->rx_bitmap[0], desc->rx_bitmap[1], desc->rx_bitmap[2], + desc->rx_bitmap[3], desc->rx_bitmap[4], desc->rx_bitmap[5], + desc->rx_bitmap[6], desc->rx_bitmap[7]); + ath12k_dbg(ab, ATH12K_DBG_HAL, "count: cur_mpdu %u cur_msdu %u\n", + le32_get_bits(desc->info1, + HAL_REO_GET_QUEUE_STATS_STATUS_INFO1_MPDU_COUNT), + le32_get_bits(desc->info1, + HAL_REO_GET_QUEUE_STATS_STATUS_INFO1_MSDU_COUNT)); + ath12k_dbg(ab, ATH12K_DBG_HAL, "fwd_timeout %u fwd_bar %u dup_count %u\n", + le32_get_bits(desc->info2, + HAL_REO_GET_QUEUE_STATS_STATUS_INFO2_TIMEOUT_COUNT), + le32_get_bits(desc->info2, + HAL_REO_GET_QUEUE_STATS_STATUS_INFO2_FDTB_COUNT), + le32_get_bits(desc->info2, + HAL_REO_GET_QUEUE_STATS_STATUS_INFO2_DUPLICATE_COUNT)); + ath12k_dbg(ab, ATH12K_DBG_HAL, "frames_in_order %u bar_rcvd %u\n", + le32_get_bits(desc->info3, + HAL_REO_GET_QUEUE_STATS_STATUS_INFO3_FIO_COUNT), + le32_get_bits(desc->info3, + HAL_REO_GET_QUEUE_STATS_STATUS_INFO3_BAR_RCVD_CNT)); + ath12k_dbg(ab, ATH12K_DBG_HAL, "num_mpdus %d num_msdus %d total_bytes %d\n", + desc->num_mpdu_frames, desc->num_msdu_frames, + desc->total_bytes); + ath12k_dbg(ab, ATH12K_DBG_HAL, "late_rcvd %u win_jump_2k %u hole_cnt %u\n", + le32_get_bits(desc->info4, + HAL_REO_GET_QUEUE_STATS_STATUS_INFO4_LATE_RX_MPDU), + le32_get_bits(desc->info2, + HAL_REO_GET_QUEUE_STATS_STATUS_INFO2_WINDOW_JMP2K), + le32_get_bits(desc->info4, + HAL_REO_GET_QUEUE_STATS_STATUS_INFO4_HOLE_COUNT)); + ath12k_dbg(ab, ATH12K_DBG_HAL, "looping count %u\n", + le32_get_bits(desc->info5, + HAL_REO_GET_QUEUE_STATS_STATUS_INFO5_LOOPING_CNT)); +} + +void ath12k_hal_reo_flush_queue_status(struct ath12k_base *ab, struct hal_tlv_64_hdr *tlv, + struct hal_reo_status *status) +{ + struct hal_reo_flush_queue_status *desc = + (struct hal_reo_flush_queue_status *)tlv->value; + + status->uniform_hdr.cmd_num = + le32_get_bits(desc->hdr.info0, + HAL_REO_STATUS_HDR_INFO0_STATUS_NUM); + status->uniform_hdr.cmd_status = + le32_get_bits(desc->hdr.info0, + HAL_REO_STATUS_HDR_INFO0_EXEC_STATUS); + status->u.flush_queue.err_detected = + le32_get_bits(desc->info0, + HAL_REO_FLUSH_QUEUE_INFO0_ERR_DETECTED); +} + +void ath12k_hal_reo_flush_cache_status(struct ath12k_base *ab, struct hal_tlv_64_hdr *tlv, + struct hal_reo_status *status) +{ + struct ath12k_hal *hal = &ab->hal; + struct hal_reo_flush_cache_status *desc = + (struct hal_reo_flush_cache_status *)tlv->value; + + status->uniform_hdr.cmd_num = + le32_get_bits(desc->hdr.info0, + HAL_REO_STATUS_HDR_INFO0_STATUS_NUM); + status->uniform_hdr.cmd_status = + le32_get_bits(desc->hdr.info0, + HAL_REO_STATUS_HDR_INFO0_EXEC_STATUS); + + status->u.flush_cache.err_detected = + le32_get_bits(desc->info0, + HAL_REO_FLUSH_CACHE_STATUS_INFO0_IS_ERR); + status->u.flush_cache.err_code = + le32_get_bits(desc->info0, + HAL_REO_FLUSH_CACHE_STATUS_INFO0_BLOCK_ERR_CODE); + if (!status->u.flush_cache.err_code) + hal->avail_blk_resource |= BIT(hal->current_blk_index); + + status->u.flush_cache.cache_controller_flush_status_hit = + le32_get_bits(desc->info0, + HAL_REO_FLUSH_CACHE_STATUS_INFO0_FLUSH_STATUS_HIT); + + status->u.flush_cache.cache_controller_flush_status_desc_type = + le32_get_bits(desc->info0, + HAL_REO_FLUSH_CACHE_STATUS_INFO0_FLUSH_DESC_TYPE); + status->u.flush_cache.cache_controller_flush_status_client_id = + le32_get_bits(desc->info0, + HAL_REO_FLUSH_CACHE_STATUS_INFO0_FLUSH_CLIENT_ID); + status->u.flush_cache.cache_controller_flush_status_err = + le32_get_bits(desc->info0, + HAL_REO_FLUSH_CACHE_STATUS_INFO0_FLUSH_ERR); + status->u.flush_cache.cache_controller_flush_status_cnt = + le32_get_bits(desc->info0, + HAL_REO_FLUSH_CACHE_STATUS_INFO0_FLUSH_COUNT); +} + +void ath12k_hal_reo_unblk_cache_status(struct ath12k_base *ab, struct hal_tlv_64_hdr *tlv, + struct hal_reo_status *status) +{ + struct ath12k_hal *hal = &ab->hal; + struct hal_reo_unblock_cache_status *desc = + (struct hal_reo_unblock_cache_status *)tlv->value; + + status->uniform_hdr.cmd_num = + le32_get_bits(desc->hdr.info0, + HAL_REO_STATUS_HDR_INFO0_STATUS_NUM); + status->uniform_hdr.cmd_status = + le32_get_bits(desc->hdr.info0, + HAL_REO_STATUS_HDR_INFO0_EXEC_STATUS); + + status->u.unblock_cache.err_detected = + le32_get_bits(desc->info0, + HAL_REO_UNBLOCK_CACHE_STATUS_INFO0_IS_ERR); + status->u.unblock_cache.unblock_type = + le32_get_bits(desc->info0, + HAL_REO_UNBLOCK_CACHE_STATUS_INFO0_TYPE); + + if (!status->u.unblock_cache.err_detected && + status->u.unblock_cache.unblock_type == + HAL_REO_STATUS_UNBLOCK_BLOCKING_RESOURCE) + hal->avail_blk_resource &= ~BIT(hal->current_blk_index); +} + +void ath12k_hal_reo_flush_timeout_list_status(struct ath12k_base *ab, + struct hal_tlv_64_hdr *tlv, + struct hal_reo_status *status) +{ + struct hal_reo_flush_timeout_list_status *desc = + (struct hal_reo_flush_timeout_list_status *)tlv->value; + + status->uniform_hdr.cmd_num = + le32_get_bits(desc->hdr.info0, + HAL_REO_STATUS_HDR_INFO0_STATUS_NUM); + status->uniform_hdr.cmd_status = + le32_get_bits(desc->hdr.info0, + HAL_REO_STATUS_HDR_INFO0_EXEC_STATUS); + + status->u.timeout_list.err_detected = + le32_get_bits(desc->info0, + HAL_REO_FLUSH_TIMEOUT_STATUS_INFO0_IS_ERR); + status->u.timeout_list.list_empty = + le32_get_bits(desc->info0, + HAL_REO_FLUSH_TIMEOUT_STATUS_INFO0_LIST_EMPTY); + + status->u.timeout_list.release_desc_cnt = + le32_get_bits(desc->info1, + HAL_REO_FLUSH_TIMEOUT_STATUS_INFO1_REL_DESC_COUNT); + status->u.timeout_list.fwd_buf_cnt = + le32_get_bits(desc->info0, + HAL_REO_FLUSH_TIMEOUT_STATUS_INFO1_FWD_BUF_COUNT); +} + +void ath12k_hal_reo_desc_thresh_reached_status(struct ath12k_base *ab, + struct hal_tlv_64_hdr *tlv, + struct hal_reo_status *status) +{ + struct hal_reo_desc_thresh_reached_status *desc = + (struct hal_reo_desc_thresh_reached_status *)tlv->value; + + status->uniform_hdr.cmd_num = + le32_get_bits(desc->hdr.info0, + HAL_REO_STATUS_HDR_INFO0_STATUS_NUM); + status->uniform_hdr.cmd_status = + le32_get_bits(desc->hdr.info0, + HAL_REO_STATUS_HDR_INFO0_EXEC_STATUS); + + status->u.desc_thresh_reached.threshold_idx = + le32_get_bits(desc->info0, + HAL_REO_DESC_THRESH_STATUS_INFO0_THRESH_INDEX); + + status->u.desc_thresh_reached.link_desc_counter0 = + le32_get_bits(desc->info1, + HAL_REO_DESC_THRESH_STATUS_INFO1_LINK_DESC_COUNTER0); + + status->u.desc_thresh_reached.link_desc_counter1 = + le32_get_bits(desc->info2, + HAL_REO_DESC_THRESH_STATUS_INFO2_LINK_DESC_COUNTER1); + + status->u.desc_thresh_reached.link_desc_counter2 = + le32_get_bits(desc->info3, + HAL_REO_DESC_THRESH_STATUS_INFO3_LINK_DESC_COUNTER2); + + status->u.desc_thresh_reached.link_desc_counter_sum = + le32_get_bits(desc->info4, + HAL_REO_DESC_THRESH_STATUS_INFO4_LINK_DESC_COUNTER_SUM); +} + +void ath12k_hal_reo_update_rx_reo_queue_status(struct ath12k_base *ab, + struct hal_tlv_64_hdr *tlv, + struct hal_reo_status *status) +{ + struct hal_reo_status_hdr *desc = + (struct hal_reo_status_hdr *)tlv->value; + + status->uniform_hdr.cmd_num = + le32_get_bits(desc->info0, + HAL_REO_STATUS_HDR_INFO0_STATUS_NUM); + status->uniform_hdr.cmd_status = + le32_get_bits(desc->info0, + HAL_REO_STATUS_HDR_INFO0_EXEC_STATUS); +} + +u32 ath12k_hal_reo_qdesc_size(u32 ba_window_size, u8 tid) +{ + u32 num_ext_desc; + + if (ba_window_size <= 1) { + if (tid != HAL_DESC_REO_NON_QOS_TID) + num_ext_desc = 1; + else + num_ext_desc = 0; + } else if (ba_window_size <= 105) { + num_ext_desc = 1; + } else if (ba_window_size <= 210) { + num_ext_desc = 2; + } else { + num_ext_desc = 3; + } + + return sizeof(struct hal_rx_reo_queue) + + (num_ext_desc * sizeof(struct hal_rx_reo_queue_ext)); +} + +void ath12k_hal_reo_qdesc_setup(struct hal_rx_reo_queue *qdesc, + int tid, u32 ba_window_size, + u32 start_seq, enum hal_pn_type type) +{ + struct hal_rx_reo_queue_ext *ext_desc; + + memset(qdesc, 0, sizeof(*qdesc)); + + ath12k_hal_reo_set_desc_hdr(&qdesc->desc_hdr, HAL_DESC_REO_OWNED, + HAL_DESC_REO_QUEUE_DESC, + REO_QUEUE_DESC_MAGIC_DEBUG_PATTERN_0); + + qdesc->rx_queue_num = le32_encode_bits(tid, HAL_RX_REO_QUEUE_RX_QUEUE_NUMBER); + + qdesc->info0 = + le32_encode_bits(1, HAL_RX_REO_QUEUE_INFO0_VLD) | + le32_encode_bits(1, HAL_RX_REO_QUEUE_INFO0_ASSOC_LNK_DESC_COUNTER) | + le32_encode_bits(ath12k_tid_to_ac(tid), HAL_RX_REO_QUEUE_INFO0_AC); + + if (ba_window_size < 1) + ba_window_size = 1; + + if (ba_window_size == 1 && tid != HAL_DESC_REO_NON_QOS_TID) + ba_window_size++; + + if (ba_window_size == 1) + qdesc->info0 |= le32_encode_bits(1, HAL_RX_REO_QUEUE_INFO0_RETRY); + + qdesc->info0 |= le32_encode_bits(ba_window_size - 1, + HAL_RX_REO_QUEUE_INFO0_BA_WINDOW_SIZE); + switch (type) { + case HAL_PN_TYPE_NONE: + case HAL_PN_TYPE_WAPI_EVEN: + case HAL_PN_TYPE_WAPI_UNEVEN: + break; + case HAL_PN_TYPE_WPA: + qdesc->info0 |= + le32_encode_bits(1, HAL_RX_REO_QUEUE_INFO0_PN_CHECK) | + le32_encode_bits(HAL_RX_REO_QUEUE_PN_SIZE_48, + HAL_RX_REO_QUEUE_INFO0_PN_SIZE); + break; + } + + /* TODO: Set Ignore ampdu flags based on BA window size and/or + * AMPDU capabilities + */ + qdesc->info0 |= le32_encode_bits(1, HAL_RX_REO_QUEUE_INFO0_IGNORE_AMPDU_FLG); + + qdesc->info1 |= le32_encode_bits(0, HAL_RX_REO_QUEUE_INFO1_SVLD); + + if (start_seq <= 0xfff) + qdesc->info1 = le32_encode_bits(start_seq, + HAL_RX_REO_QUEUE_INFO1_SSN); + + if (tid == HAL_DESC_REO_NON_QOS_TID) + return; + + ext_desc = qdesc->ext_desc; + + /* TODO: HW queue descriptors are currently allocated for max BA + * window size for all QOS TIDs so that same descriptor can be used + * later when ADDBA request is received. This should be changed to + * allocate HW queue descriptors based on BA window size being + * negotiated (0 for non BA cases), and reallocate when BA window + * size changes and also send WMI message to FW to change the REO + * queue descriptor in Rx peer entry as part of dp_rx_tid_update. + */ + memset(ext_desc, 0, 3 * sizeof(*ext_desc)); + ath12k_hal_reo_set_desc_hdr(&ext_desc->desc_hdr, HAL_DESC_REO_OWNED, + HAL_DESC_REO_QUEUE_EXT_DESC, + REO_QUEUE_DESC_MAGIC_DEBUG_PATTERN_1); + ext_desc++; + ath12k_hal_reo_set_desc_hdr(&ext_desc->desc_hdr, HAL_DESC_REO_OWNED, + HAL_DESC_REO_QUEUE_EXT_DESC, + REO_QUEUE_DESC_MAGIC_DEBUG_PATTERN_2); + ext_desc++; + ath12k_hal_reo_set_desc_hdr(&ext_desc->desc_hdr, HAL_DESC_REO_OWNED, + HAL_DESC_REO_QUEUE_EXT_DESC, + REO_QUEUE_DESC_MAGIC_DEBUG_PATTERN_3); +} + +void ath12k_hal_reo_init_cmd_ring(struct ath12k_base *ab, + struct hal_srng *srng) +{ + struct hal_srng_params params; + struct hal_tlv_64_hdr *tlv; + struct hal_reo_get_queue_stats *desc; + int i, cmd_num = 1; + int entry_size; + u8 *entry; + + memset(¶ms, 0, sizeof(params)); + + entry_size = ath12k_hal_srng_get_entrysize(ab, HAL_REO_CMD); + ath12k_hal_srng_get_params(ab, srng, ¶ms); + entry = (u8 *)params.ring_base_vaddr; + + for (i = 0; i < params.num_entries; i++) { + tlv = (struct hal_tlv_64_hdr *)entry; + desc = (struct hal_reo_get_queue_stats *)tlv->value; + desc->cmd.info0 = le32_encode_bits(cmd_num++, + HAL_REO_CMD_HDR_INFO0_CMD_NUMBER); + entry += entry_size; + } +} + +void ath12k_hal_reo_hw_setup(struct ath12k_base *ab, u32 ring_hash_map) +{ + u32 reo_base = HAL_SEQ_WCSS_UMAC_REO_REG; + u32 val; + + val = ath12k_hif_read32(ab, reo_base + HAL_REO1_GEN_ENABLE); + + val |= u32_encode_bits(1, HAL_REO1_GEN_ENABLE_AGING_LIST_ENABLE) | + u32_encode_bits(1, HAL_REO1_GEN_ENABLE_AGING_FLUSH_ENABLE); + ath12k_hif_write32(ab, reo_base + HAL_REO1_GEN_ENABLE, val); + + val = ath12k_hif_read32(ab, reo_base + HAL_REO1_MISC_CTRL_ADDR(ab)); + + val &= ~(HAL_REO1_MISC_CTL_FRAG_DST_RING | + HAL_REO1_MISC_CTL_BAR_DST_RING); + val |= u32_encode_bits(HAL_SRNG_RING_ID_REO2SW0, + HAL_REO1_MISC_CTL_FRAG_DST_RING); + val |= u32_encode_bits(HAL_SRNG_RING_ID_REO2SW0, + HAL_REO1_MISC_CTL_BAR_DST_RING); + ath12k_hif_write32(ab, reo_base + HAL_REO1_MISC_CTRL_ADDR(ab), val); + + ath12k_hif_write32(ab, reo_base + HAL_REO1_AGING_THRESH_IX_0(ab), + HAL_DEFAULT_BE_BK_VI_REO_TIMEOUT_USEC); + ath12k_hif_write32(ab, reo_base + HAL_REO1_AGING_THRESH_IX_1(ab), + HAL_DEFAULT_BE_BK_VI_REO_TIMEOUT_USEC); + ath12k_hif_write32(ab, reo_base + HAL_REO1_AGING_THRESH_IX_2(ab), + HAL_DEFAULT_BE_BK_VI_REO_TIMEOUT_USEC); + ath12k_hif_write32(ab, reo_base + HAL_REO1_AGING_THRESH_IX_3(ab), + HAL_DEFAULT_VO_REO_TIMEOUT_USEC); + + ath12k_hif_write32(ab, reo_base + HAL_REO1_DEST_RING_CTRL_IX_2, + ring_hash_map); + ath12k_hif_write32(ab, reo_base + HAL_REO1_DEST_RING_CTRL_IX_3, + ring_hash_map); +} |