| /* |
| * Copyright (c) 2011-2017 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 htt_t2h.c |
| * @brief Provide functions to process target->host HTT messages. |
| * @details |
| * This file contains functions related to target->host HTT messages. |
| * There are two categories of functions: |
| * 1. A function that receives a HTT message from HTC, and dispatches it |
| * based on the HTT message type. |
| * 2. functions that provide the info elements from specific HTT messages. |
| */ |
| |
| #include <htc_api.h> /* HTC_PACKET */ |
| #include <htt.h> /* HTT_T2H_MSG_TYPE, etc. */ |
| #include <adf_nbuf.h> /* adf_nbuf_t */ |
| |
| #include <ol_htt_rx_api.h> |
| #include <ol_htt_tx_api.h> |
| #include <ol_txrx_htt_api.h> /* htt_tx_status */ |
| |
| #include <htt_internal.h> /* HTT_TX_SCHED, etc. */ |
| #include <pktlog_ac_fmt.h> |
| #include <wdi_event.h> |
| #include <ol_htt_tx_api.h> |
| #include <ol_txrx_stats.h> |
| #include <wdi_event_api.h> |
| #include <ol_txrx_ctrl_api.h> |
| #include <ol_txrx_peer_find.h> |
| #include <ol_ctrl_txrx_api.h> |
| /*--- target->host HTT message dispatch function ----------------------------*/ |
| |
| #ifndef DEBUG_CREDIT |
| #define DEBUG_CREDIT 0 |
| #endif |
| |
| static u_int8_t * |
| htt_t2h_mac_addr_deswizzle(u_int8_t *tgt_mac_addr, u_int8_t *buffer) |
| { |
| #ifdef BIG_ENDIAN_HOST |
| /* |
| * The host endianness is opposite of the target endianness. |
| * To make u_int32_t elements come out correctly, the target->host |
| * upload has swizzled the bytes in each u_int32_t element of the |
| * message. |
| * For byte-array message fields like the MAC address, this |
| * upload swizzling puts the bytes in the wrong order, and needs |
| * to be undone. |
| */ |
| buffer[0] = tgt_mac_addr[3]; |
| buffer[1] = tgt_mac_addr[2]; |
| buffer[2] = tgt_mac_addr[1]; |
| buffer[3] = tgt_mac_addr[0]; |
| buffer[4] = tgt_mac_addr[7]; |
| buffer[5] = tgt_mac_addr[6]; |
| return buffer; |
| #else |
| /* |
| * The host endianness matches the target endianness - |
| * we can use the mac addr directly from the message buffer. |
| */ |
| return tgt_mac_addr; |
| #endif |
| } |
| |
| #if defined(CONFIG_HL_SUPPORT) |
| #define HTT_RX_FRAG_SET_LAST_MSDU(pdev, msg) /* no-op */ |
| #define HTT_FAIL_NOTIFY_BREAK_CHECK(status) \ |
| ((status) == htt_tx_status_fail_notify) |
| #else |
| static void HTT_RX_FRAG_SET_LAST_MSDU( |
| struct htt_pdev_t *pdev, adf_nbuf_t msg) |
| { |
| u_int32_t *msg_word; |
| unsigned num_msdu_bytes; |
| adf_nbuf_t msdu; |
| struct htt_host_rx_desc_base *rx_desc; |
| int start_idx; |
| u_int8_t *p_fw_msdu_rx_desc = 0; |
| |
| msg_word = (u_int32_t *) adf_nbuf_data(msg); |
| num_msdu_bytes = HTT_RX_FRAG_IND_FW_RX_DESC_BYTES_GET(*(msg_word + |
| HTT_RX_FRAG_IND_HDR_PREFIX_SIZE32)); |
| /* |
| * 1 word for the message header, |
| * 1 word to specify the number of MSDU bytes, |
| * 1 word for every 4 MSDU bytes (round up), |
| * 1 word for the MPDU range header |
| */ |
| pdev->rx_mpdu_range_offset_words = 3 + ((num_msdu_bytes + 3) >> 2); |
| pdev->rx_ind_msdu_byte_idx = 0; |
| |
| p_fw_msdu_rx_desc = ((u_int8_t *)(msg_word) + |
| HTT_ENDIAN_BYTE_IDX_SWAP(HTT_RX_FRAG_IND_FW_DESC_BYTE_OFFSET)); |
| |
| /* |
| * Fix for EV126710, in which BSOD occurs due to last_msdu bit |
| * not set while the next pointer is deliberately set to NULL |
| * before calling ol_rx_pn_check_base() |
| * |
| * For fragment frames, the HW may not have set the last_msdu bit |
| * in the rx descriptor, but the SW expects this flag to be set, |
| * since each fragment is in a separate MPDU. Thus, set the flag here, |
| * just in case the HW didn't. |
| */ |
| start_idx = pdev->rx_ring.sw_rd_idx.msdu_payld; |
| msdu = pdev->rx_ring.buf.netbufs_ring[start_idx]; |
| adf_nbuf_set_pktlen(msdu, HTT_RX_BUF_SIZE); |
| adf_nbuf_unmap(pdev->osdev, msdu, ADF_OS_DMA_FROM_DEVICE); |
| rx_desc = htt_rx_desc(msdu); |
| *((u_int8_t *) &rx_desc->fw_desc.u.val) = *p_fw_msdu_rx_desc; |
| rx_desc->msdu_end.last_msdu = 1; |
| adf_nbuf_map(pdev->osdev, msdu, ADF_OS_DMA_FROM_DEVICE); |
| } |
| |
| #define HTT_FAIL_NOTIFY_BREAK_CHECK(status) 0 |
| #endif /* CONFIG_HL_SUPPORT */ |
| |
| #define MAX_TARGET_TX_CREDIT 204800 |
| |
| /* Target to host Msg/event handler for low priority messages*/ |
| void |
| htt_t2h_lp_msg_handler(void *context, adf_nbuf_t htt_t2h_msg ) |
| { |
| struct htt_pdev_t *pdev = (struct htt_pdev_t *) context; |
| u_int32_t *msg_word; |
| enum htt_t2h_msg_type msg_type; |
| |
| msg_word = (u_int32_t *) adf_nbuf_data(htt_t2h_msg); |
| msg_type = HTT_T2H_MSG_TYPE_GET(*msg_word); |
| switch (msg_type) { |
| case HTT_T2H_MSG_TYPE_VERSION_CONF: |
| { |
| htc_pm_runtime_put(pdev->htc_pdev); |
| pdev->tgt_ver.major = HTT_VER_CONF_MAJOR_GET(*msg_word); |
| pdev->tgt_ver.minor = HTT_VER_CONF_MINOR_GET(*msg_word); |
| adf_os_print("target uses HTT version %d.%d; host uses %d.%d\n", |
| pdev->tgt_ver.major, pdev->tgt_ver.minor, |
| HTT_CURRENT_VERSION_MAJOR, HTT_CURRENT_VERSION_MINOR); |
| if (pdev->tgt_ver.major != HTT_CURRENT_VERSION_MAJOR) { |
| adf_os_print("*** Incompatible host/target HTT versions!\n"); |
| } |
| /* abort if the target is incompatible with the host */ |
| adf_os_assert(pdev->tgt_ver.major == HTT_CURRENT_VERSION_MAJOR); |
| if (pdev->tgt_ver.minor != HTT_CURRENT_VERSION_MINOR) { |
| adf_os_print( |
| "*** Warning: host/target HTT versions are different, " |
| "though compatible!\n"); |
| } |
| break; |
| } |
| case HTT_T2H_MSG_TYPE_RX_FLUSH: |
| { |
| u_int16_t peer_id; |
| u_int8_t tid; |
| u_int16_t seq_num_start, seq_num_end; |
| enum htt_rx_flush_action action; |
| |
| peer_id = HTT_RX_FLUSH_PEER_ID_GET(*msg_word); |
| tid = HTT_RX_FLUSH_TID_GET(*msg_word); |
| seq_num_start = HTT_RX_FLUSH_SEQ_NUM_START_GET(*(msg_word+1)); |
| seq_num_end = HTT_RX_FLUSH_SEQ_NUM_END_GET(*(msg_word+1)); |
| action = |
| HTT_RX_FLUSH_MPDU_STATUS_GET(*(msg_word+1)) == 1 ? |
| htt_rx_flush_release : htt_rx_flush_discard; |
| ol_rx_flush_handler( |
| pdev->txrx_pdev, |
| peer_id, tid, |
| seq_num_start, |
| seq_num_end, |
| action); |
| break; |
| } |
| case HTT_T2H_MSG_TYPE_RX_OFFLOAD_DELIVER_IND: |
| { |
| u_int16_t msdu_cnt; |
| msdu_cnt = HTT_RX_OFFLOAD_DELIVER_IND_MSDU_CNT_GET(*msg_word); |
| ol_rx_offload_deliver_ind_handler( |
| pdev->txrx_pdev, |
| htt_t2h_msg, |
| msdu_cnt); |
| if (pdev->cfg.is_high_latency) { |
| /* return here for HL to avoid double free on htt_t2h_msg */ |
| return; |
| } else { |
| break; |
| } |
| } |
| case HTT_T2H_MSG_TYPE_RX_FRAG_IND: |
| { |
| u_int16_t peer_id; |
| u_int8_t tid; |
| |
| peer_id = HTT_RX_FRAG_IND_PEER_ID_GET(*msg_word); |
| tid = HTT_RX_FRAG_IND_EXT_TID_GET(*msg_word); |
| HTT_RX_FRAG_SET_LAST_MSDU(pdev, htt_t2h_msg); |
| |
| /* If packet len is invalid, will discard this frame. */ |
| if (pdev->cfg.is_high_latency) { |
| u_int32_t rx_pkt_len = 0; |
| |
| rx_pkt_len = adf_nbuf_len(htt_t2h_msg); |
| |
| if (rx_pkt_len < (HTT_RX_FRAG_IND_BYTES + |
| sizeof(struct hl_htt_rx_ind_base)+ |
| sizeof(struct ieee80211_frame))) { |
| |
| adf_os_print("%s: invalid packet len, %u\n", |
| __FUNCTION__, |
| rx_pkt_len); |
| /* |
| * This buf will be freed before |
| * exiting this function. |
| */ |
| break; |
| } |
| } |
| |
| ol_rx_frag_indication_handler( |
| pdev->txrx_pdev, |
| htt_t2h_msg, |
| peer_id, |
| tid); |
| |
| if (pdev->cfg.is_high_latency) { |
| /* |
| * For high latency solution, HTT_T2H_MSG_TYPE_RX_FRAG_IND |
| * message and RX packet share the same buffer. All buffer will |
| * be freed by ol_rx_frag_indication_handler or upper layer to |
| * avoid double free issue. |
| * |
| */ |
| return; |
| } |
| |
| break; |
| } |
| case HTT_T2H_MSG_TYPE_RX_ADDBA: |
| { |
| u_int16_t peer_id; |
| u_int8_t tid; |
| u_int8_t win_sz; |
| u_int16_t start_seq_num; |
| |
| /* |
| * FOR NOW, the host doesn't need to know the initial |
| * sequence number for rx aggregation. |
| * Thus, any value will do - specify 0. |
| */ |
| start_seq_num = 0; |
| peer_id = HTT_RX_ADDBA_PEER_ID_GET(*msg_word); |
| tid = HTT_RX_ADDBA_TID_GET(*msg_word); |
| win_sz = HTT_RX_ADDBA_WIN_SIZE_GET(*msg_word); |
| ol_rx_addba_handler( |
| pdev->txrx_pdev, peer_id, tid, win_sz, start_seq_num, |
| 0 /* success */); |
| break; |
| } |
| case HTT_T2H_MSG_TYPE_RX_DELBA: |
| { |
| u_int16_t peer_id; |
| u_int8_t tid; |
| |
| peer_id = HTT_RX_DELBA_PEER_ID_GET(*msg_word); |
| tid = HTT_RX_DELBA_TID_GET(*msg_word); |
| ol_rx_delba_handler(pdev->txrx_pdev, peer_id, tid); |
| break; |
| } |
| case HTT_T2H_MSG_TYPE_PEER_MAP: |
| { |
| u_int8_t mac_addr_deswizzle_buf[HTT_MAC_ADDR_LEN]; |
| u_int8_t *peer_mac_addr; |
| u_int16_t peer_id; |
| u_int8_t vdev_id; |
| |
| peer_id = HTT_RX_PEER_MAP_PEER_ID_GET(*msg_word); |
| vdev_id = HTT_RX_PEER_MAP_VDEV_ID_GET(*msg_word); |
| peer_mac_addr = htt_t2h_mac_addr_deswizzle( |
| (u_int8_t *) (msg_word+1), &mac_addr_deswizzle_buf[0]); |
| |
| if (peer_id > ol_cfg_max_peer_id(pdev->ctrl_pdev)) { |
| adf_os_print("%s: HTT_T2H_MSG_TYPE_PEER_MAP," |
| "invalid peer_id, %u\n", |
| __FUNCTION__, |
| peer_id); |
| break; |
| } |
| |
| ol_rx_peer_map_handler( |
| pdev->txrx_pdev, peer_id, vdev_id, peer_mac_addr, 1/*can tx*/); |
| break; |
| } |
| case HTT_T2H_MSG_TYPE_PEER_UNMAP: |
| { |
| u_int16_t peer_id; |
| peer_id = HTT_RX_PEER_UNMAP_PEER_ID_GET(*msg_word); |
| |
| if (peer_id > ol_cfg_max_peer_id(pdev->ctrl_pdev)) { |
| adf_os_print("%s: HTT_T2H_MSG_TYPE_PEER_UNMAP," |
| "invalid peer_id, %u\n", |
| __FUNCTION__, |
| peer_id); |
| break; |
| } |
| |
| ol_rx_peer_unmap_handler(pdev->txrx_pdev, peer_id); |
| break; |
| } |
| case HTT_T2H_MSG_TYPE_SEC_IND: |
| { |
| u_int16_t peer_id; |
| enum htt_sec_type sec_type; |
| int is_unicast; |
| |
| peer_id = HTT_SEC_IND_PEER_ID_GET(*msg_word); |
| sec_type = HTT_SEC_IND_SEC_TYPE_GET(*msg_word); |
| is_unicast = HTT_SEC_IND_UNICAST_GET(*msg_word); |
| msg_word++; /* point to the first part of the Michael key */ |
| ol_rx_sec_ind_handler( |
| pdev->txrx_pdev, peer_id, sec_type, is_unicast, msg_word, msg_word+2); |
| break; |
| } |
| case HTT_T2H_MSG_TYPE_MGMT_TX_COMPL_IND: |
| { |
| struct htt_mgmt_tx_compl_ind *compl_msg; |
| int32_t credit_delta = 1; |
| |
| compl_msg = (struct htt_mgmt_tx_compl_ind *)(msg_word + 1); |
| |
| if (pdev->cfg.is_high_latency) { |
| if (!pdev->cfg.default_tx_comp_req) { |
| HTT_TX_MUTEX_ACQUIRE(&pdev->credit_mutex); |
| adf_os_atomic_add(credit_delta, |
| &pdev->htt_tx_credit.target_delta); |
| credit_delta = htt_tx_credit_update(pdev); |
| HTT_TX_MUTEX_RELEASE(&pdev->credit_mutex); |
| } |
| if (credit_delta) { |
| ol_tx_target_credit_update(pdev->txrx_pdev, credit_delta); |
| } |
| } |
| OL_TX_DESC_UPDATE_GROUP_CREDIT( |
| pdev->txrx_pdev, compl_msg->desc_id, 1, 0, compl_msg->status); |
| ol_tx_single_completion_handler( |
| pdev->txrx_pdev, compl_msg->status, compl_msg->desc_id); |
| htc_pm_runtime_put(pdev->htc_pdev); |
| HTT_TX_SCHED(pdev); |
| break; |
| } |
| #if TXRX_STATS_LEVEL != TXRX_STATS_LEVEL_OFF |
| case HTT_T2H_MSG_TYPE_STATS_CONF: |
| { |
| u_int64_t cookie; |
| u_int8_t *stats_info_list; |
| |
| cookie = *(msg_word + 1); |
| cookie |= ((u_int64_t) (*(msg_word + 2))) << 32; |
| |
| stats_info_list = (u_int8_t *) (msg_word + 3); |
| htc_pm_runtime_put(pdev->htc_pdev); |
| ol_txrx_fw_stats_handler(pdev->txrx_pdev, cookie, stats_info_list); |
| break; |
| } |
| #endif |
| #ifndef REMOVE_PKT_LOG |
| case HTT_T2H_MSG_TYPE_PKTLOG: |
| { |
| u_int32_t *pl_hdr; |
| u_int32_t log_type; |
| pl_hdr = (msg_word + 1); |
| log_type = (*(pl_hdr + 1) & ATH_PKTLOG_HDR_LOG_TYPE_MASK) >> |
| ATH_PKTLOG_HDR_LOG_TYPE_SHIFT; |
| if (log_type == PKTLOG_TYPE_TX_CTRL || |
| (log_type) == PKTLOG_TYPE_TX_STAT || |
| (log_type) == PKTLOG_TYPE_TX_MSDU_ID || |
| (log_type) == PKTLOG_TYPE_TX_FRM_HDR || |
| (log_type) == PKTLOG_TYPE_TX_VIRT_ADDR) { |
| wdi_event_handler(WDI_EVENT_TX_STATUS, pdev->txrx_pdev, pl_hdr); |
| } else if ((log_type) == PKTLOG_TYPE_RC_FIND) { |
| wdi_event_handler(WDI_EVENT_RATE_FIND, pdev->txrx_pdev, pl_hdr); |
| } else if ((log_type) == PKTLOG_TYPE_RC_UPDATE) { |
| wdi_event_handler( |
| WDI_EVENT_RATE_UPDATE, pdev->txrx_pdev, pl_hdr); |
| } else if ((log_type) == PKTLOG_TYPE_RX_STAT) { |
| wdi_event_handler(WDI_EVENT_RX_DESC, pdev->txrx_pdev, pl_hdr); |
| } |
| break; |
| } |
| #endif |
| case HTT_T2H_MSG_TYPE_TX_CREDIT_UPDATE_IND: |
| { |
| u_int32_t htt_credit_delta_abs; |
| int32_t htt_credit_delta; |
| int sign, old_credit; |
| |
| htt_credit_delta_abs = HTT_TX_CREDIT_DELTA_ABS_GET(*msg_word); |
| sign = HTT_TX_CREDIT_SIGN_BIT_GET(*msg_word) ? -1 : 1; |
| htt_credit_delta = sign * htt_credit_delta_abs; |
| |
| old_credit = adf_os_atomic_read(&pdev->htt_tx_credit.target_delta); |
| if (((old_credit + htt_credit_delta) > MAX_TARGET_TX_CREDIT) || |
| ((old_credit + htt_credit_delta) < -MAX_TARGET_TX_CREDIT)) { |
| adf_os_print("%s: invalid credit update,old_credit=%d," |
| "htt_credit_delta=%d\n", |
| __FUNCTION__, |
| old_credit, |
| htt_credit_delta); |
| break; |
| } |
| |
| if (pdev->cfg.is_high_latency && |
| !pdev->cfg.default_tx_comp_req) { |
| HTT_TX_MUTEX_ACQUIRE(&pdev->credit_mutex); |
| adf_os_atomic_add(htt_credit_delta, |
| &pdev->htt_tx_credit.target_delta); |
| htt_credit_delta = htt_tx_credit_update(pdev); |
| HTT_TX_MUTEX_RELEASE(&pdev->credit_mutex); |
| } |
| |
| HTT_TX_GROUP_CREDIT_PROCESS(pdev, msg_word); |
| /* |
| * Call ol_tx_credit_completion even if htt_credit_delta is zero, |
| * in case there is some global credit already available, but the |
| * above group credit updates have removed credit restrictions, |
| * possibly allowing the download scheduler to perform a download |
| * even if htt_credit_delta == 0. |
| */ |
| ol_tx_credit_completion_handler(pdev->txrx_pdev, htt_credit_delta); |
| break; |
| } |
| |
| #ifdef IPA_UC_OFFLOAD |
| case HTT_T2H_MSG_TYPE_WDI_IPA_OP_RESPONSE: |
| { |
| u_int8_t op_code; |
| u_int16_t len; |
| u_int8_t *op_msg_buffer; |
| u_int8_t *msg_start_ptr; |
| |
| htc_pm_runtime_put(pdev->htc_pdev); |
| msg_start_ptr = (u_int8_t *)msg_word; |
| op_code = HTT_WDI_IPA_OP_RESPONSE_OP_CODE_GET(*msg_word); |
| msg_word++; |
| len = HTT_WDI_IPA_OP_RESPONSE_RSP_LEN_GET(*msg_word); |
| |
| op_msg_buffer = adf_os_mem_alloc(NULL, |
| sizeof(struct htt_wdi_ipa_op_response_t) + len); |
| if (!op_msg_buffer) { |
| adf_os_print("OPCODE messsage buffer alloc fail"); |
| break; |
| } |
| adf_os_mem_copy(op_msg_buffer, |
| msg_start_ptr, |
| sizeof(struct htt_wdi_ipa_op_response_t) + len); |
| ol_txrx_ipa_uc_op_response(pdev->txrx_pdev, op_msg_buffer); |
| break; |
| } |
| #endif /* IPA_UC_OFFLOAD */ |
| case HTT_T2H_MSG_TYPE_RX_OFLD_PKT_ERR: |
| { |
| switch (HTT_RX_OFLD_PKT_ERR_MSG_SUB_TYPE_GET(*msg_word)) { |
| case HTT_RX_OFLD_PKT_ERR_TYPE_MIC_ERR: |
| { |
| struct ol_error_info err_info; |
| struct ol_txrx_vdev_t *vdev; |
| struct ol_txrx_peer_t *peer; |
| u_int8_t * pn_ptr; |
| u_int16_t peer_id = |
| HTT_RX_OFLD_PKT_ERR_MIC_ERR_PEER_ID_GET(*(msg_word + 1)); |
| |
| peer = ol_txrx_peer_find_by_id(pdev->txrx_pdev, peer_id); |
| if (!peer) { |
| adf_os_print("%s: invalid peer id %d\n", __FUNCTION__, |
| peer_id); |
| break; |
| } |
| vdev = peer->vdev; |
| |
| err_info.u.mic_err.vdev_id = vdev->vdev_id; |
| err_info.u.mic_err.key_id = |
| HTT_RX_OFLD_PKT_ERR_MIC_ERR_KEYID_GET(*(msg_word + 1)); |
| adf_os_mem_copy(err_info.u.mic_err.da, |
| (u_int8_t *)(msg_word + 2), |
| OL_TXRX_MAC_ADDR_LEN); |
| adf_os_mem_copy(err_info.u.mic_err.sa, |
| (u_int8_t *)(msg_word + 4), |
| OL_TXRX_MAC_ADDR_LEN); |
| adf_os_mem_copy(err_info.u.mic_err.ta, |
| peer->mac_addr.raw, OL_TXRX_MAC_ADDR_LEN); |
| |
| pn_ptr = (u_int8_t *)&err_info.u.mic_err.pn; |
| adf_os_mem_copy(pn_ptr, (u_int8_t *)(msg_word + 6), 4); |
| adf_os_mem_copy((pn_ptr + 4), (u_int8_t *)(msg_word + 7), 2); |
| |
| ol_indicate_err(OL_RX_ERR_TKIP_MIC, &err_info); |
| break; |
| } |
| |
| default: |
| { |
| adf_os_print("%s: unhandled error type %d\n", __FUNCTION__, |
| HTT_RX_OFLD_PKT_ERR_MSG_SUB_TYPE_GET(*msg_word)); |
| break; |
| } |
| } |
| break; |
| } |
| case HTT_T2H_MSG_TYPE_RATE_REPORT: |
| { |
| u_int16_t peer_cnt = HTT_PEER_RATE_REPORT_MSG_PEER_COUNT_GET(*msg_word); |
| u_int16_t i; |
| struct rate_report_t *report, *each; |
| int max_peers; |
| |
| /* Param sanity check */ |
| if (peer_cnt == 0) { |
| adf_os_print("RATE REPORT messsage peer_cnt is 0! \n"); |
| break; |
| } |
| |
| max_peers = ol_cfg_max_peer_id(pdev->ctrl_pdev) + 1; |
| if (peer_cnt > max_peers) { |
| adf_os_print("RATE REPORT msg peer_cnt is larger than %d\n", |
| max_peers); |
| break; |
| } |
| |
| /* At least one peer and no limit apply to peer_cnt here */ |
| report = adf_os_mem_alloc(NULL, |
| sizeof(struct rate_report_t) * peer_cnt); |
| if (!report) { |
| adf_os_print("RATE REPORT messsage buffer alloc fail. peer_cnt %d\n", |
| peer_cnt); |
| break; |
| } |
| |
| each = report; |
| msg_word++; /* point to the payload */ |
| for (i = 0; i < peer_cnt; i++) { |
| each->id = |
| HTT_PEER_RATE_REPORT_MSG_PEER_ID_GET(*(msg_word + i*2)); |
| each->phy = |
| HTT_PEER_RATE_REPORT_MSG_PHY_GET(*(msg_word + i*2)); |
| each->rate = *(msg_word + i*2 + 1); |
| each++; |
| } |
| ol_txrx_peer_link_status_handler(pdev->txrx_pdev, peer_cnt, report); |
| |
| adf_os_mem_free(report); |
| break; |
| } |
| default: |
| break; |
| }; |
| /* Free the indication buffer */ |
| adf_nbuf_free(htt_t2h_msg); |
| } |
| |
| /* Generic Target to host Msg/event handler for low priority messages |
| Low priority message are handler in a different handler called from |
| this function . So that the most likely succes path like Rx and |
| Tx comp has little code foot print |
| */ |
| void |
| htt_t2h_msg_handler(void *context, HTC_PACKET *pkt) |
| { |
| struct htt_pdev_t *pdev = (struct htt_pdev_t *) context; |
| adf_nbuf_t htt_t2h_msg = (adf_nbuf_t) pkt->pPktContext; |
| u_int32_t *msg_word; |
| enum htt_t2h_msg_type msg_type; |
| |
| /* check for successful message reception */ |
| if (pkt->Status != A_OK) { |
| if (pkt->Status != A_ECANCELED) { |
| pdev->stats.htc_err_cnt++; |
| } |
| adf_nbuf_free(htt_t2h_msg); |
| return; |
| } |
| |
| #ifdef HTT_RX_RESTORE |
| if (adf_os_unlikely(pdev->rx_ring.rx_reset)) { |
| adf_os_print("rx restore ..\n"); |
| adf_nbuf_free(htt_t2h_msg); |
| return; |
| } |
| #endif |
| |
| /* confirm alignment */ |
| HTT_ASSERT3((((unsigned long) adf_nbuf_data(htt_t2h_msg)) & 0x3) == 0); |
| |
| msg_word = (u_int32_t *) adf_nbuf_data(htt_t2h_msg); |
| msg_type = HTT_T2H_MSG_TYPE_GET(*msg_word); |
| switch (msg_type) { |
| case HTT_T2H_MSG_TYPE_RX_IND: |
| { |
| unsigned num_mpdu_ranges; |
| unsigned num_msdu_bytes; |
| u_int16_t peer_id; |
| u_int8_t tid; |
| |
| if (adf_os_unlikely(pdev->cfg.is_full_reorder_offload)) { |
| adf_os_print("HTT_T2H_MSG_TYPE_RX_IND not supported with full " |
| "reorder offload\n"); |
| break; |
| } |
| peer_id = HTT_RX_IND_PEER_ID_GET(*msg_word); |
| tid = HTT_RX_IND_EXT_TID_GET(*msg_word); |
| |
| if (tid >= OL_TXRX_NUM_EXT_TIDS) { |
| adf_os_print("HTT_T2H_MSG_TYPE_RX_IND, invalid tid %d\n", tid); |
| break; |
| } |
| |
| num_msdu_bytes = HTT_RX_IND_FW_RX_DESC_BYTES_GET( |
| *(msg_word + 2 + HTT_RX_PPDU_DESC_SIZE32)); |
| /* |
| * 1 word for the message header, |
| * HTT_RX_PPDU_DESC_SIZE32 words for the FW rx PPDU desc |
| * 1 word to specify the number of MSDU bytes, |
| * 1 word for every 4 MSDU bytes (round up), |
| * 1 word for the MPDU range header |
| */ |
| pdev->rx_mpdu_range_offset_words = |
| (HTT_RX_IND_HDR_BYTES + num_msdu_bytes + 3) >> 2; |
| num_mpdu_ranges = HTT_RX_IND_NUM_MPDU_RANGES_GET(*(msg_word + 1)); |
| pdev->rx_ind_msdu_byte_idx = 0; |
| |
| if (pdev->cfg.is_high_latency) { |
| /* |
| * TODO: remove copy after stopping reuse skb on HIF layer |
| * because SDIO HIF may reuse skb before upper layer release it |
| */ |
| if (VOS_MONITOR_MODE == vos_get_conparam()) |
| ol_rx_mon_indication_handler( |
| pdev->txrx_pdev, htt_t2h_msg, peer_id, tid, |
| num_mpdu_ranges); |
| else |
| ol_rx_indication_handler( |
| pdev->txrx_pdev, htt_t2h_msg, peer_id, tid, |
| num_mpdu_ranges); |
| |
| return; |
| } else { |
| ol_rx_indication_handler( |
| pdev->txrx_pdev, htt_t2h_msg, peer_id, tid, |
| num_mpdu_ranges); |
| } |
| break; |
| } |
| case HTT_T2H_MSG_TYPE_TX_COMPL_IND: |
| { |
| int old_credit; |
| int num_msdus; |
| enum htt_tx_status status; |
| int msg_len = adf_nbuf_len(htt_t2h_msg); |
| |
| /* status - no enum translation needed */ |
| status = HTT_TX_COMPL_IND_STATUS_GET(*msg_word); |
| num_msdus = HTT_TX_COMPL_IND_NUM_GET(*msg_word); |
| |
| /* |
| * each desc id will occupy 2 bytes. |
| * the 4 is for htt msg header |
| */ |
| if ((num_msdus * HTT_TX_COMPL_BYTES_PER_MSDU_ID + |
| HTT_TX_COMPL_HEAD_SZ) > msg_len) { |
| adf_os_print("%s: num_msdus(%d) is invalid," |
| "adf_nbuf_len = %d\n", |
| __FUNCTION__, |
| num_msdus, |
| msg_len); |
| break; |
| } |
| |
| if (num_msdus & 0x1) { |
| struct htt_tx_compl_ind_base *compl = (void *)msg_word; |
| |
| /* |
| * Host CPU endianness can be different from FW CPU. This |
| * can result in even and odd MSDU IDs being switched. If |
| * this happens, copy the switched final odd MSDU ID from |
| * location payload[size], to location payload[size-1], |
| * where the message handler function expects to find it |
| */ |
| if (compl->payload[num_msdus] != HTT_TX_COMPL_INV_MSDU_ID) { |
| compl->payload[num_msdus - 1] = |
| compl->payload[num_msdus]; |
| } |
| } |
| |
| /* Indicate failure status to user space */ |
| ol_tx_failure_indication(pdev->txrx_pdev, |
| HTT_TX_COMPL_IND_TID_GET(*msg_word), |
| num_msdus, status); |
| |
| if (pdev->cfg.is_high_latency) { |
| /* |
| * For regular frms in HL case, frms have already been |
| * freed and tx credit has been updated. FW indicates |
| * special message for failure MSDUs with status type |
| * htt_tx_status_fail_notify. Once such message was |
| * received, just break here. |
| */ |
| if (ol_cfg_tx_free_at_download(pdev->ctrl_pdev) && |
| HTT_FAIL_NOTIFY_BREAK_CHECK(status)) { |
| adf_os_print("HTT TX COMPL for failed data frm.\n"); |
| break; |
| } |
| |
| old_credit = adf_os_atomic_read(&pdev->htt_tx_credit.target_delta); |
| if (((old_credit + num_msdus) > MAX_TARGET_TX_CREDIT) || |
| ((old_credit + num_msdus) < -MAX_TARGET_TX_CREDIT)) { |
| adf_os_print("%s: invalid credit update,old_credit=%d," |
| "num_msdus=%d\n", |
| __FUNCTION__, |
| old_credit, |
| num_msdus); |
| } else { |
| if (!pdev->cfg.default_tx_comp_req) { |
| int credit_delta; |
| HTT_TX_MUTEX_ACQUIRE(&pdev->credit_mutex); |
| adf_os_atomic_add(num_msdus, |
| &pdev->htt_tx_credit.target_delta); |
| credit_delta = htt_tx_credit_update(pdev); |
| HTT_TX_MUTEX_RELEASE(&pdev->credit_mutex); |
| if (credit_delta) { |
| ol_tx_target_credit_update(pdev->txrx_pdev, |
| credit_delta); |
| } |
| } else { |
| ol_tx_target_credit_update(pdev->txrx_pdev, |
| num_msdus); |
| } |
| } |
| } |
| ol_tx_completion_handler( |
| pdev->txrx_pdev, num_msdus, status, msg_word); |
| HTT_TX_SCHED(pdev); |
| break; |
| } |
| case HTT_T2H_MSG_TYPE_RX_PN_IND: |
| { |
| u_int16_t peer_id; |
| u_int8_t tid, pn_ie_cnt, *pn_ie=NULL; |
| u_int16_t seq_num_start, seq_num_end; |
| |
| /*First dword */ |
| peer_id = HTT_RX_PN_IND_PEER_ID_GET(*msg_word); |
| tid = HTT_RX_PN_IND_EXT_TID_GET(*msg_word); |
| |
| msg_word++; |
| /*Second dword */ |
| seq_num_start = HTT_RX_PN_IND_SEQ_NUM_START_GET(*msg_word); |
| seq_num_end = HTT_RX_PN_IND_SEQ_NUM_END_GET(*msg_word); |
| pn_ie_cnt = HTT_RX_PN_IND_PN_IE_CNT_GET(*msg_word); |
| |
| msg_word++; |
| /*Third dword*/ |
| if (pn_ie_cnt) { |
| pn_ie = (u_int8_t *)msg_word; |
| } |
| |
| ol_rx_pn_ind_handler( |
| pdev->txrx_pdev, peer_id, tid, seq_num_start, seq_num_end, |
| pn_ie_cnt, pn_ie); |
| |
| break; |
| } |
| case HTT_T2H_MSG_TYPE_TX_INSPECT_IND: |
| { |
| int num_msdus; |
| int msg_len = adf_nbuf_len(htt_t2h_msg); |
| |
| num_msdus = HTT_TX_COMPL_IND_NUM_GET(*msg_word); |
| /* |
| * each desc id will occupy 2 bytes. |
| * the 4 is for htt msg header |
| */ |
| if ((num_msdus * HTT_TX_COMPL_BYTES_PER_MSDU_ID + |
| HTT_TX_COMPL_HEAD_SZ) > msg_len) { |
| adf_os_print("%s: num_msdus(%d) is invalid," |
| "adf_nbuf_len = %d,inspect\n", |
| __FUNCTION__, |
| num_msdus, |
| msg_len); |
| break; |
| } |
| |
| if (num_msdus & 0x1) { |
| struct htt_tx_compl_ind_base *compl = (void *)msg_word; |
| |
| /* |
| * Host CPU endianness can be different from FW CPU. This |
| * can result in even and odd MSDU IDs being switched. If |
| * this happens, copy the switched final odd MSDU ID from |
| * location payload[size], to location payload[size-1], |
| * where the message handler function expects to find it |
| */ |
| if (compl->payload[num_msdus] != HTT_TX_COMPL_INV_MSDU_ID) { |
| compl->payload[num_msdus - 1] = |
| compl->payload[num_msdus]; |
| } |
| } |
| ol_tx_inspect_handler(pdev->txrx_pdev, num_msdus, msg_word + 1); |
| HTT_TX_SCHED(pdev); |
| break; |
| } |
| case HTT_T2H_MSG_TYPE_RX_IN_ORD_PADDR_IND: |
| { |
| u_int16_t peer_id; |
| u_int8_t tid; |
| u_int8_t offload_ind, frag_ind; |
| |
| if (adf_os_unlikely(!pdev->cfg.is_full_reorder_offload)) { |
| adf_os_print("HTT_T2H_MSG_TYPE_RX_IN_ORD_PADDR_IND not supported" |
| " when full reorder offload is disabled\n"); |
| break; |
| } |
| |
| if (adf_os_unlikely(pdev->cfg.is_high_latency)) { |
| adf_os_print("HTT_T2H_MSG_TYPE_RX_IN_ORD_PADDR_IND not supported" |
| " on high latency\n"); |
| break; |
| } |
| |
| peer_id = HTT_RX_IN_ORD_PADDR_IND_PEER_ID_GET(*msg_word); |
| tid = HTT_RX_IN_ORD_PADDR_IND_EXT_TID_GET(*msg_word); |
| offload_ind = HTT_RX_IN_ORD_PADDR_IND_OFFLOAD_GET(*msg_word); |
| frag_ind = HTT_RX_IN_ORD_PADDR_IND_FRAG_GET(*msg_word); |
| |
| if (adf_os_unlikely(frag_ind)) { |
| ol_rx_frag_indication_handler(pdev->txrx_pdev, htt_t2h_msg, |
| peer_id, tid); |
| break; |
| } |
| |
| ol_rx_in_order_indication_handler(pdev->txrx_pdev, htt_t2h_msg, |
| peer_id, tid, offload_ind); |
| break; |
| } |
| |
| default: |
| htt_t2h_lp_msg_handler(context, htt_t2h_msg); |
| return ; |
| |
| }; |
| |
| /* Free the indication buffer */ |
| adf_nbuf_free(htt_t2h_msg); |
| } |
| |
| /*--- target->host HTT message Info Element access methods ------------------*/ |
| |
| /*--- tx completion message ---*/ |
| |
| u_int16_t |
| htt_tx_compl_desc_id(void *iterator, int num) |
| { |
| /* |
| * The MSDU IDs are packed , 2 per 32-bit word. |
| * Iterate on them as an array of 16-bit elements. |
| * This will work fine if the host endianness matches |
| * the target endianness. |
| * If the host endianness is opposite of the target's, |
| * this iterator will produce descriptor IDs in a different |
| * order than the target inserted them into the message - |
| * if the target puts in [0, 1, 2, 3, ...] the host will |
| * put out [1, 0, 3, 2, ...]. |
| * This is fine, except for the last ID if there are an |
| * odd number of IDs. But the TX_COMPL_IND handling code |
| * in the htt_t2h_msg_handler already added a duplicate |
| * of the final ID, if there were an odd number of IDs, |
| * so this function can safely treat the IDs as an array |
| * of 16-bit elements. |
| */ |
| return *(((u_int16_t *) iterator) + num); |
| } |
| |
| /*--- rx indication message ---*/ |
| |
| int |
| htt_rx_ind_flush(htt_pdev_handle pdev, adf_nbuf_t rx_ind_msg) |
| { |
| u_int32_t *msg_word; |
| |
| msg_word = (u_int32_t *) adf_nbuf_data(rx_ind_msg); |
| return HTT_RX_IND_FLUSH_VALID_GET(*msg_word); |
| } |
| |
| void |
| htt_rx_ind_flush_seq_num_range( |
| htt_pdev_handle pdev, |
| adf_nbuf_t rx_ind_msg, |
| unsigned *seq_num_start, |
| unsigned *seq_num_end) |
| { |
| u_int32_t *msg_word; |
| |
| msg_word = (u_int32_t *) adf_nbuf_data(rx_ind_msg); |
| msg_word++; |
| *seq_num_start = HTT_RX_IND_FLUSH_SEQ_NUM_START_GET(*msg_word); |
| *seq_num_end = HTT_RX_IND_FLUSH_SEQ_NUM_END_GET(*msg_word); |
| } |
| |
| int |
| htt_rx_ind_release(htt_pdev_handle pdev, adf_nbuf_t rx_ind_msg) |
| { |
| u_int32_t *msg_word; |
| |
| msg_word = (u_int32_t *) adf_nbuf_data(rx_ind_msg); |
| return HTT_RX_IND_REL_VALID_GET(*msg_word); |
| } |
| |
| void |
| htt_rx_ind_release_seq_num_range( |
| htt_pdev_handle pdev, |
| adf_nbuf_t rx_ind_msg, |
| unsigned *seq_num_start, |
| unsigned *seq_num_end) |
| { |
| u_int32_t *msg_word; |
| |
| msg_word = (u_int32_t *) adf_nbuf_data(rx_ind_msg); |
| msg_word++; |
| *seq_num_start = HTT_RX_IND_REL_SEQ_NUM_START_GET(*msg_word); |
| *seq_num_end = HTT_RX_IND_REL_SEQ_NUM_END_GET(*msg_word); |
| } |
| |
| void |
| htt_rx_ind_mpdu_range_info( |
| struct htt_pdev_t *pdev, |
| adf_nbuf_t rx_ind_msg, |
| int mpdu_range_num, |
| enum htt_rx_status *status, |
| int *mpdu_count) |
| { |
| u_int32_t *msg_word; |
| |
| msg_word = (u_int32_t *) adf_nbuf_data(rx_ind_msg); |
| msg_word += pdev->rx_mpdu_range_offset_words + mpdu_range_num; |
| *status = HTT_RX_IND_MPDU_STATUS_GET(*msg_word); |
| *mpdu_count = HTT_RX_IND_MPDU_COUNT_GET(*msg_word); |
| } |
| |
| /** |
| * htt_rx_ind_rssi_dbm() - Return the RSSI provided in a rx indication message. |
| * |
| * @pdev: the HTT instance the rx data was received on |
| * @rx_ind_msg: the netbuf containing the rx indication message |
| * |
| * Return the RSSI from an rx indication message in dBm units. |
| * |
| * Return: RSSI in dBm, or HTT_INVALID_RSSI |
| */ |
| int16_t |
| htt_rx_ind_rssi_dbm(htt_pdev_handle pdev, adf_nbuf_t rx_ind_msg) |
| { |
| int8_t rssi; |
| u_int32_t *msg_word; |
| |
| msg_word = (u_int32_t *) |
| (adf_nbuf_data(rx_ind_msg) + HTT_RX_IND_FW_RX_PPDU_DESC_BYTE_OFFSET); |
| |
| /* check if the RX_IND message contains valid rx PPDU start info */ |
| if (!HTT_RX_IND_START_VALID_GET(*msg_word)) { |
| return HTT_RSSI_INVALID; |
| } |
| |
| rssi = HTT_RX_IND_RSSI_CMB_GET(*msg_word); |
| return (HTT_TGT_RSSI_INVALID == rssi) ? |
| HTT_RSSI_INVALID : |
| rssi; |
| } |
| |
| /** |
| * htt_rx_ind_rssi_dbm_chain() - Return the RSSI for a chain provided in a rx |
| * indication message. |
| * @pdev: the HTT instance the rx data was received on |
| * @rx_ind_msg: the netbuf containing the rx indication message |
| * @chain: the index of the chain (0-4) |
| * |
| * Return the RSSI for a chain from an rx indication message in dBm units. |
| * |
| * Return: RSSI in dBm, or HTT_INVALID_RSSI |
| */ |
| int16_t |
| htt_rx_ind_rssi_dbm_chain(htt_pdev_handle pdev, adf_nbuf_t rx_ind_msg, |
| int8_t chain) |
| { |
| int8_t rssi; |
| u_int32_t *msg_word; |
| |
| if (chain < 0 || chain > 3) { |
| return HTT_RSSI_INVALID; |
| } |
| |
| msg_word = (u_int32_t *) |
| (adf_nbuf_data(rx_ind_msg) + HTT_RX_IND_FW_RX_PPDU_DESC_BYTE_OFFSET); |
| |
| /* check if the RX_IND message contains valid rx PPDU start info */ |
| if (!HTT_RX_IND_START_VALID_GET(*msg_word)) { |
| return HTT_RSSI_INVALID; |
| } |
| |
| msg_word += 1 + chain; |
| |
| rssi = HTT_RX_IND_RSSI_PRI20_GET(*msg_word); |
| return (HTT_TGT_RSSI_INVALID == rssi) ? |
| HTT_RSSI_INVALID : |
| rssi; |
| } |
| |
| /** |
| * htt_rx_ind_noise_floor_chain() - Return the nosie floor for a chain |
| * provided in a rx indication message. |
| * @pdev: the HTT instance the rx data was received on |
| * @rx_ind_msg: the netbuf containing the rx indication message |
| * @chain: the index of the chain (0-1) for DSRC |
| * |
| * Return the noise floor for a chain from an rx indication message. |
| * |
| * Return: noise floor, or HTT_NOISE_FLOOR_INVALID |
| */ |
| int8_t |
| htt_rx_ind_noise_floor_chain(htt_pdev_handle pdev, adf_nbuf_t rx_ind_msg, |
| int8_t chain) |
| { |
| int8_t noise_floor; |
| u_int32_t *msg_word; |
| |
| /* only chain0/1 used with 11p DSRC */ |
| if (chain < 0 || chain > 1) { |
| return HTT_NOISE_FLOOR_INVALID; |
| } |
| |
| msg_word = (u_int32_t *) |
| (adf_nbuf_data(rx_ind_msg) + |
| HTT_RX_IND_FW_RX_PPDU_DESC_BYTE_OFFSET); |
| |
| /* check if the RX_IND message contains valid rx PPDU start info */ |
| if (!HTT_RX_IND_START_VALID_GET(*msg_word)) { |
| return HTT_NOISE_FLOOR_INVALID; |
| } |
| |
| msg_word = (u_int32_t *) |
| (adf_nbuf_data(rx_ind_msg) + HTT_RX_IND_HDR_SUFFIX_BYTE_OFFSET); |
| |
| if (chain == 0) |
| noise_floor = HTT_RX_IND_NOISE_FLOOR_CHAIN0_GET(*msg_word); |
| else if (chain == 1) |
| noise_floor = HTT_RX_IND_NOISE_FLOOR_CHAIN1_GET(*msg_word); |
| |
| return noise_floor; |
| } |
| |
| /** |
| * htt_rx_ind_legacy_rate() - Return the data rate |
| * @pdev: the HTT instance the rx data was received on |
| * @rx_ind_msg: the netbuf containing the rx indication message |
| * @legacy_rate: (output) the data rate |
| * The legacy_rate parameter's value depends on the |
| * legacy_rate_sel value. |
| * If legacy_rate_sel is 0: |
| * 0x8: OFDM 48 Mbps |
| * 0x9: OFDM 24 Mbps |
| * 0xA: OFDM 12 Mbps |
| * 0xB: OFDM 6 Mbps |
| * 0xC: OFDM 54 Mbps |
| * 0xD: OFDM 36 Mbps |
| * 0xE: OFDM 18 Mbps |
| * 0xF: OFDM 9 Mbps |
| * If legacy_rate_sel is 1: |
| * 0x8: CCK 11 Mbps long preamble |
| * 0x9: CCK 5.5 Mbps long preamble |
| * 0xA: CCK 2 Mbps long preamble |
| * 0xB: CCK 1 Mbps long preamble |
| * 0xC: CCK 11 Mbps short preamble |
| * 0xD: CCK 5.5 Mbps short preamble |
| * 0xE: CCK 2 Mbps short preamble |
| * -1 on error. |
| * @legacy_rate_sel: (output) 0 to indicate OFDM, 1 to indicate CCK. |
| * -1 on error. |
| * |
| * Return the data rate provided in a rx indication message. |
| */ |
| void |
| htt_rx_ind_legacy_rate(htt_pdev_handle pdev, adf_nbuf_t rx_ind_msg, |
| uint8_t *legacy_rate, uint8_t *legacy_rate_sel) |
| { |
| u_int32_t *msg_word; |
| |
| msg_word = (u_int32_t *) |
| (adf_nbuf_data(rx_ind_msg) + HTT_RX_IND_FW_RX_PPDU_DESC_BYTE_OFFSET); |
| |
| /* check if the RX_IND message contains valid rx PPDU start info */ |
| if (!HTT_RX_IND_START_VALID_GET(*msg_word)) { |
| *legacy_rate = -1; |
| *legacy_rate_sel = -1; |
| return; |
| } |
| |
| *legacy_rate = HTT_RX_IND_LEGACY_RATE_GET(*msg_word); |
| *legacy_rate_sel = HTT_RX_IND_LEGACY_RATE_SEL_GET(*msg_word); |
| } |
| |
| /** |
| * htt_rx_ind_timestamp() - Return the timestamp |
| * @pdev: the HTT instance the rx data was received on |
| * @rx_ind_msg: the netbuf containing the rx indication message |
| * @timestamp_microsec: (output) the timestamp to microsecond resolution. |
| * -1 on error. |
| * @timestamp_submicrosec: the submicrosecond portion of the |
| * timestamp. -1 on error. |
| * |
| * Return the timestamp provided in a rx indication message. |
| */ |
| void |
| htt_rx_ind_timestamp(htt_pdev_handle pdev, adf_nbuf_t rx_ind_msg, |
| uint32_t *timestamp_microsec, uint8_t *timestamp_submicrosec) |
| { |
| u_int32_t *msg_word; |
| |
| msg_word = (u_int32_t *) |
| (adf_nbuf_data(rx_ind_msg) + HTT_RX_IND_FW_RX_PPDU_DESC_BYTE_OFFSET); |
| |
| /* check if the RX_IND message contains valid rx PPDU start info */ |
| if (!HTT_RX_IND_END_VALID_GET(*msg_word)) { |
| *timestamp_microsec = -1; |
| *timestamp_submicrosec = -1; |
| return; |
| } |
| |
| *timestamp_microsec = *(msg_word + 6); |
| *timestamp_submicrosec = |
| HTT_RX_IND_TIMESTAMP_SUBMICROSEC_GET(*msg_word); |
| } |
| |
| /** |
| * htt_rx_ind_tsf32() - Return the TSF timestamp |
| * @pdev: the HTT instance the rx data was received on |
| * @rx_ind_msg: the netbuf containing the rx indication message |
| * |
| * Return the TSF timestamp provided in a rx indication message. |
| * |
| * Return: TSF timestamp |
| */ |
| uint32_t |
| htt_rx_ind_tsf32(htt_pdev_handle pdev, adf_nbuf_t rx_ind_msg) |
| { |
| u_int32_t *msg_word; |
| |
| msg_word = (u_int32_t *) |
| (adf_nbuf_data(rx_ind_msg) + HTT_RX_IND_FW_RX_PPDU_DESC_BYTE_OFFSET); |
| |
| /* check if the RX_IND message contains valid rx PPDU start info */ |
| if (!HTT_RX_IND_END_VALID_GET(*msg_word)) { |
| return -1; |
| } |
| |
| return *(msg_word + 5); |
| } |
| |
| /** |
| * htt_rx_ind_ext_tid() - Return the extended traffic ID provided in a rx indication message. |
| * @pdev: the HTT instance the rx data was received on |
| * @rx_ind_msg: the netbuf containing the rx indication message |
| * |
| * Return the extended traffic ID in a rx indication message. |
| * |
| * Return: Extended TID |
| */ |
| uint8_t |
| htt_rx_ind_ext_tid(htt_pdev_handle pdev, adf_nbuf_t rx_ind_msg) |
| { |
| u_int32_t *msg_word; |
| |
| msg_word = (u_int32_t *) |
| (adf_nbuf_data(rx_ind_msg)); |
| |
| return HTT_RX_IND_EXT_TID_GET(*msg_word); |
| } |
| |
| /*--- stats confirmation message ---*/ |
| |
| void |
| htt_t2h_dbg_stats_hdr_parse( |
| u_int8_t *stats_info_list, |
| enum htt_dbg_stats_type *type, |
| enum htt_dbg_stats_status *status, |
| int *length, |
| u_int8_t **stats_data) |
| { |
| u_int32_t *msg_word = (u_int32_t *) stats_info_list; |
| *type = HTT_T2H_STATS_CONF_TLV_TYPE_GET(*msg_word); |
| *status = HTT_T2H_STATS_CONF_TLV_STATUS_GET(*msg_word); |
| *length = HTT_T2H_STATS_CONF_TLV_HDR_SIZE + /* header length */ |
| HTT_T2H_STATS_CONF_TLV_LENGTH_GET(*msg_word); /* data length */ |
| *stats_data = stats_info_list + HTT_T2H_STATS_CONF_TLV_HDR_SIZE; |
| } |
| |
| void |
| htt_rx_frag_ind_flush_seq_num_range( |
| htt_pdev_handle pdev, |
| adf_nbuf_t rx_frag_ind_msg, |
| u_int16_t *seq_num_start, |
| u_int16_t *seq_num_end) |
| { |
| u_int32_t *msg_word; |
| |
| msg_word = (u_int32_t *) adf_nbuf_data(rx_frag_ind_msg); |
| msg_word++; |
| *seq_num_start = HTT_RX_FRAG_IND_FLUSH_SEQ_NUM_START_GET(*msg_word); |
| *seq_num_end = HTT_RX_FRAG_IND_FLUSH_SEQ_NUM_END_GET(*msg_word); |
| } |
