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- /*
- * Copyright (c) 2016-2021 The Linux Foundation. All rights reserved.
- * Copyright (c) 2021-2022 Qualcomm Innovation Center, Inc. All rights reserved.
- *
- * 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.
- */
- #include "cdp_txrx_cmn_struct.h"
- #include "hal_hw_headers.h"
- #include "dp_types.h"
- #include "dp_rx.h"
- #include "dp_tx.h"
- #include "dp_be_rx.h"
- #include "dp_peer.h"
- #include "hal_rx.h"
- #include "hal_be_rx.h"
- #include "hal_api.h"
- #include "hal_be_api.h"
- #include "qdf_nbuf.h"
- #include "hal_be_rx_tlv.h"
- #ifdef MESH_MODE_SUPPORT
- #include "if_meta_hdr.h"
- #endif
- #include "dp_internal.h"
- #include "dp_ipa.h"
- #ifdef FEATURE_WDS
- #include "dp_txrx_wds.h"
- #endif
- #include "dp_hist.h"
- #include "dp_rx_buffer_pool.h"
- #ifndef AST_OFFLOAD_ENABLE
- static void
- dp_rx_wds_learn(struct dp_soc *soc,
- struct dp_vdev *vdev,
- uint8_t *rx_tlv_hdr,
- struct dp_txrx_peer *txrx_peer,
- qdf_nbuf_t nbuf,
- struct hal_rx_msdu_metadata msdu_metadata)
- {
- /* WDS Source Port Learning */
- if (qdf_likely(vdev->wds_enabled))
- dp_rx_wds_srcport_learn(soc,
- rx_tlv_hdr,
- txrx_peer,
- nbuf,
- msdu_metadata);
- }
- #else
- #ifdef QCA_SUPPORT_WDS_EXTENDED
- /**
- * dp_wds_ext_peer_learn_be() - function to send event to control
- * path on receiving 1st 4-address frame from backhaul.
- * @soc: DP soc
- * @ta_txrx_peer: WDS repeater txrx peer
- * @rx_tlv_hdr : start address of rx tlvs
- * @nbuf: RX packet buffer
- *
- * Return: void
- */
- static inline void dp_wds_ext_peer_learn_be(struct dp_soc *soc,
- struct dp_txrx_peer *ta_txrx_peer,
- uint8_t *rx_tlv_hdr,
- qdf_nbuf_t nbuf)
- {
- uint8_t wds_ext_src_mac[QDF_MAC_ADDR_SIZE];
- struct dp_peer *ta_base_peer;
- /* instead of checking addr4 is valid or not in per packet path
- * check for init bit, which will be set on reception of
- * first addr4 valid packet.
- */
- if (!ta_txrx_peer->vdev->wds_ext_enabled ||
- qdf_atomic_test_bit(WDS_EXT_PEER_INIT_BIT,
- &ta_txrx_peer->wds_ext.init))
- return;
- if (qdf_nbuf_is_rx_chfrag_start(nbuf) &&
- hal_rx_get_mpdu_mac_ad4_valid_be(rx_tlv_hdr)) {
- qdf_atomic_test_and_set_bit(WDS_EXT_PEER_INIT_BIT,
- &ta_txrx_peer->wds_ext.init);
- ta_base_peer = dp_peer_get_ref_by_id(soc, ta_txrx_peer->peer_id,
- DP_MOD_ID_RX);
- if (!ta_base_peer)
- return;
- qdf_mem_copy(wds_ext_src_mac, &ta_base_peer->mac_addr.raw[0],
- QDF_MAC_ADDR_SIZE);
- dp_peer_unref_delete(ta_base_peer, DP_MOD_ID_RX);
- soc->cdp_soc.ol_ops->rx_wds_ext_peer_learn(
- soc->ctrl_psoc,
- ta_txrx_peer->peer_id,
- ta_txrx_peer->vdev->vdev_id,
- wds_ext_src_mac);
- }
- }
- #else
- static inline void dp_wds_ext_peer_learn_be(struct dp_soc *soc,
- struct dp_txrx_peer *ta_txrx_peer,
- uint8_t *rx_tlv_hdr,
- qdf_nbuf_t nbuf)
- {
- }
- #endif
- static void
- dp_rx_wds_learn(struct dp_soc *soc,
- struct dp_vdev *vdev,
- uint8_t *rx_tlv_hdr,
- struct dp_txrx_peer *ta_txrx_peer,
- qdf_nbuf_t nbuf,
- struct hal_rx_msdu_metadata msdu_metadata)
- {
- dp_wds_ext_peer_learn_be(soc, ta_txrx_peer, rx_tlv_hdr, nbuf);
- }
- #endif
- /**
- * dp_rx_process_be() - Brain of the Rx processing functionality
- * Called from the bottom half (tasklet/NET_RX_SOFTIRQ)
- * @int_ctx: per interrupt context
- * @hal_ring: opaque pointer to the HAL Rx Ring, which will be serviced
- * @reo_ring_num: ring number (0, 1, 2 or 3) of the reo ring.
- * @quota: No. of units (packets) that can be serviced in one shot.
- *
- * This function implements the core of Rx functionality. This is
- * expected to handle only non-error frames.
- *
- * Return: uint32_t: No. of elements processed
- */
- uint32_t dp_rx_process_be(struct dp_intr *int_ctx,
- hal_ring_handle_t hal_ring_hdl, uint8_t reo_ring_num,
- uint32_t quota)
- {
- hal_ring_desc_t ring_desc;
- hal_soc_handle_t hal_soc;
- struct dp_rx_desc *rx_desc = NULL;
- qdf_nbuf_t nbuf, next;
- bool near_full;
- union dp_rx_desc_list_elem_t *head[WLAN_MAX_MLO_CHIPS][MAX_PDEV_CNT];
- union dp_rx_desc_list_elem_t *tail[WLAN_MAX_MLO_CHIPS][MAX_PDEV_CNT];
- uint32_t num_pending;
- uint32_t rx_bufs_used = 0, rx_buf_cookie;
- uint16_t msdu_len = 0;
- uint16_t peer_id;
- uint8_t vdev_id;
- struct dp_txrx_peer *txrx_peer;
- dp_txrx_ref_handle txrx_ref_handle = NULL;
- struct dp_vdev *vdev;
- uint32_t pkt_len = 0;
- struct hal_rx_mpdu_desc_info mpdu_desc_info;
- struct hal_rx_msdu_desc_info msdu_desc_info;
- enum hal_reo_error_status error;
- uint32_t peer_mdata;
- uint8_t *rx_tlv_hdr;
- uint32_t rx_bufs_reaped[WLAN_MAX_MLO_CHIPS][MAX_PDEV_CNT];
- uint8_t mac_id = 0;
- struct dp_pdev *rx_pdev;
- bool enh_flag;
- struct dp_srng *dp_rxdma_srng;
- struct rx_desc_pool *rx_desc_pool;
- struct dp_soc *soc = int_ctx->soc;
- uint8_t core_id = 0;
- struct cdp_tid_rx_stats *tid_stats;
- qdf_nbuf_t nbuf_head;
- qdf_nbuf_t nbuf_tail;
- qdf_nbuf_t deliver_list_head;
- qdf_nbuf_t deliver_list_tail;
- uint32_t num_rx_bufs_reaped = 0;
- uint32_t intr_id;
- struct hif_opaque_softc *scn;
- int32_t tid = 0;
- bool is_prev_msdu_last = true;
- uint32_t num_entries_avail = 0;
- uint32_t rx_ol_pkt_cnt = 0;
- uint32_t num_entries = 0;
- struct hal_rx_msdu_metadata msdu_metadata;
- QDF_STATUS status;
- qdf_nbuf_t ebuf_head;
- qdf_nbuf_t ebuf_tail;
- uint8_t pkt_capture_offload = 0;
- struct dp_srng *rx_ring = &soc->reo_dest_ring[reo_ring_num];
- int max_reap_limit, ring_near_full;
- struct dp_soc *replenish_soc;
- uint8_t chip_id;
- DP_HIST_INIT();
- qdf_assert_always(soc && hal_ring_hdl);
- hal_soc = soc->hal_soc;
- qdf_assert_always(hal_soc);
- scn = soc->hif_handle;
- intr_id = int_ctx->dp_intr_id;
- num_entries = hal_srng_get_num_entries(hal_soc, hal_ring_hdl);
- dp_runtime_pm_mark_last_busy(soc);
- more_data:
- /* reset local variables here to be re-used in the function */
- nbuf_head = NULL;
- nbuf_tail = NULL;
- deliver_list_head = NULL;
- deliver_list_tail = NULL;
- txrx_peer = NULL;
- vdev = NULL;
- num_rx_bufs_reaped = 0;
- ebuf_head = NULL;
- ebuf_tail = NULL;
- ring_near_full = 0;
- max_reap_limit = dp_rx_get_loop_pkt_limit(soc);
- qdf_mem_zero(rx_bufs_reaped, sizeof(rx_bufs_reaped));
- qdf_mem_zero(&mpdu_desc_info, sizeof(mpdu_desc_info));
- qdf_mem_zero(&msdu_desc_info, sizeof(msdu_desc_info));
- qdf_mem_zero(head, sizeof(head));
- qdf_mem_zero(tail, sizeof(tail));
- ring_near_full = _dp_srng_test_and_update_nf_params(soc, rx_ring,
- &max_reap_limit);
- if (qdf_unlikely(dp_rx_srng_access_start(int_ctx, soc, hal_ring_hdl))) {
- /*
- * Need API to convert from hal_ring pointer to
- * Ring Type / Ring Id combo
- */
- DP_STATS_INC(soc, rx.err.hal_ring_access_fail, 1);
- QDF_TRACE(QDF_MODULE_ID_TXRX, QDF_TRACE_LEVEL_ERROR,
- FL("HAL RING Access Failed -- %pK"), hal_ring_hdl);
- goto done;
- }
- /*
- * start reaping the buffers from reo ring and queue
- * them in per vdev queue.
- * Process the received pkts in a different per vdev loop.
- */
- while (qdf_likely(quota &&
- (ring_desc = hal_srng_dst_peek(hal_soc,
- hal_ring_hdl)))) {
- error = HAL_RX_ERROR_STATUS_GET(ring_desc);
- if (qdf_unlikely(error == HAL_REO_ERROR_DETECTED)) {
- dp_rx_err("%pK: HAL RING 0x%pK:error %d",
- soc, hal_ring_hdl, error);
- DP_STATS_INC(soc, rx.err.hal_reo_error[reo_ring_num],
- 1);
- /* Don't know how to deal with this -- assert */
- qdf_assert(0);
- }
- dp_rx_ring_record_entry(soc, reo_ring_num, ring_desc);
- rx_buf_cookie = HAL_RX_REO_BUF_COOKIE_GET(ring_desc);
- status = dp_rx_cookie_check_and_invalidate(ring_desc);
- if (qdf_unlikely(QDF_IS_STATUS_ERROR(status))) {
- DP_STATS_INC(soc, rx.err.stale_cookie, 1);
- break;
- }
- rx_desc = (struct dp_rx_desc *)
- hal_rx_get_reo_desc_va(ring_desc);
- dp_rx_desc_sw_cc_check(soc, rx_buf_cookie, &rx_desc);
- status = dp_rx_desc_sanity(soc, hal_soc, hal_ring_hdl,
- ring_desc, rx_desc);
- if (QDF_IS_STATUS_ERROR(status)) {
- if (qdf_unlikely(rx_desc && rx_desc->nbuf)) {
- qdf_assert_always(!rx_desc->unmapped);
- dp_rx_nbuf_unmap(soc, rx_desc, reo_ring_num);
- rx_desc->unmapped = 1;
- dp_rx_buffer_pool_nbuf_free(soc, rx_desc->nbuf,
- rx_desc->pool_id);
- dp_rx_add_to_free_desc_list(
- &head[rx_desc->chip_id][rx_desc->pool_id],
- &tail[rx_desc->chip_id][rx_desc->pool_id],
- rx_desc);
- }
- hal_srng_dst_get_next(hal_soc, hal_ring_hdl);
- continue;
- }
- /*
- * this is a unlikely scenario where the host is reaping
- * a descriptor which it already reaped just a while ago
- * but is yet to replenish it back to HW.
- * In this case host will dump the last 128 descriptors
- * including the software descriptor rx_desc and assert.
- */
- if (qdf_unlikely(!rx_desc->in_use)) {
- DP_STATS_INC(soc, rx.err.hal_reo_dest_dup, 1);
- dp_info_rl("Reaping rx_desc not in use!");
- dp_rx_dump_info_and_assert(soc, hal_ring_hdl,
- ring_desc, rx_desc);
- /* ignore duplicate RX desc and continue to process */
- /* Pop out the descriptor */
- hal_srng_dst_get_next(hal_soc, hal_ring_hdl);
- continue;
- }
- status = dp_rx_desc_nbuf_sanity_check(soc, ring_desc, rx_desc);
- if (qdf_unlikely(QDF_IS_STATUS_ERROR(status))) {
- DP_STATS_INC(soc, rx.err.nbuf_sanity_fail, 1);
- dp_info_rl("Nbuf sanity check failure!");
- dp_rx_dump_info_and_assert(soc, hal_ring_hdl,
- ring_desc, rx_desc);
- rx_desc->in_err_state = 1;
- hal_srng_dst_get_next(hal_soc, hal_ring_hdl);
- continue;
- }
- if (qdf_unlikely(!dp_rx_desc_check_magic(rx_desc))) {
- dp_err("Invalid rx_desc cookie=%d", rx_buf_cookie);
- DP_STATS_INC(soc, rx.err.rx_desc_invalid_magic, 1);
- dp_rx_dump_info_and_assert(soc, hal_ring_hdl,
- ring_desc, rx_desc);
- }
- /* Get MPDU DESC info */
- hal_rx_mpdu_desc_info_get_be(ring_desc, &mpdu_desc_info);
- /* Get MSDU DESC info */
- hal_rx_msdu_desc_info_get_be(ring_desc, &msdu_desc_info);
- if (qdf_unlikely(msdu_desc_info.msdu_flags &
- HAL_MSDU_F_MSDU_CONTINUATION)) {
- /* previous msdu has end bit set, so current one is
- * the new MPDU
- */
- if (is_prev_msdu_last) {
- /* Get number of entries available in HW ring */
- num_entries_avail =
- hal_srng_dst_num_valid(hal_soc,
- hal_ring_hdl, 1);
- /* For new MPDU check if we can read complete
- * MPDU by comparing the number of buffers
- * available and number of buffers needed to
- * reap this MPDU
- */
- if ((msdu_desc_info.msdu_len /
- (RX_DATA_BUFFER_SIZE -
- soc->rx_pkt_tlv_size) + 1) >
- num_entries_avail) {
- DP_STATS_INC(soc,
- rx.msdu_scatter_wait_break,
- 1);
- dp_rx_cookie_reset_invalid_bit(
- ring_desc);
- break;
- }
- is_prev_msdu_last = false;
- }
- }
- core_id = smp_processor_id();
- DP_STATS_INC(soc, rx.ring_packets[core_id][reo_ring_num], 1);
- if (mpdu_desc_info.mpdu_flags & HAL_MPDU_F_RETRY_BIT)
- qdf_nbuf_set_rx_retry_flag(rx_desc->nbuf, 1);
- if (qdf_unlikely(mpdu_desc_info.mpdu_flags &
- HAL_MPDU_F_RAW_AMPDU))
- qdf_nbuf_set_raw_frame(rx_desc->nbuf, 1);
- if (!is_prev_msdu_last &&
- msdu_desc_info.msdu_flags & HAL_MSDU_F_LAST_MSDU_IN_MPDU)
- is_prev_msdu_last = true;
- /* Pop out the descriptor*/
- hal_srng_dst_get_next(hal_soc, hal_ring_hdl);
- rx_bufs_reaped[rx_desc->chip_id][rx_desc->pool_id]++;
- peer_mdata = mpdu_desc_info.peer_meta_data;
- QDF_NBUF_CB_RX_PEER_ID(rx_desc->nbuf) =
- dp_rx_peer_metadata_peer_id_get_be(soc, peer_mdata);
- QDF_NBUF_CB_RX_VDEV_ID(rx_desc->nbuf) =
- dp_rx_peer_metadata_vdev_id_get_be(soc, peer_mdata);
- /* to indicate whether this msdu is rx offload */
- pkt_capture_offload =
- DP_PEER_METADATA_OFFLOAD_GET_BE(peer_mdata);
- /*
- * save msdu flags first, last and continuation msdu in
- * nbuf->cb, also save mcbc, is_da_valid, is_sa_valid and
- * length to nbuf->cb. This ensures the info required for
- * per pkt processing is always in the same cache line.
- * This helps in improving throughput for smaller pkt
- * sizes.
- */
- if (msdu_desc_info.msdu_flags & HAL_MSDU_F_FIRST_MSDU_IN_MPDU)
- qdf_nbuf_set_rx_chfrag_start(rx_desc->nbuf, 1);
- if (msdu_desc_info.msdu_flags & HAL_MSDU_F_MSDU_CONTINUATION)
- qdf_nbuf_set_rx_chfrag_cont(rx_desc->nbuf, 1);
- if (msdu_desc_info.msdu_flags & HAL_MSDU_F_LAST_MSDU_IN_MPDU)
- qdf_nbuf_set_rx_chfrag_end(rx_desc->nbuf, 1);
- if (msdu_desc_info.msdu_flags & HAL_MSDU_F_DA_IS_MCBC)
- qdf_nbuf_set_da_mcbc(rx_desc->nbuf, 1);
- if (msdu_desc_info.msdu_flags & HAL_MSDU_F_DA_IS_VALID)
- qdf_nbuf_set_da_valid(rx_desc->nbuf, 1);
- if (msdu_desc_info.msdu_flags & HAL_MSDU_F_SA_IS_VALID)
- qdf_nbuf_set_sa_valid(rx_desc->nbuf, 1);
- if (msdu_desc_info.msdu_flags & HAL_MSDU_F_INTRA_BSS)
- qdf_nbuf_set_intra_bss(rx_desc->nbuf, 1);
- if (qdf_likely(mpdu_desc_info.mpdu_flags &
- HAL_MPDU_F_QOS_CONTROL_VALID))
- qdf_nbuf_set_tid_val(rx_desc->nbuf, mpdu_desc_info.tid);
- /* set sw exception */
- qdf_nbuf_set_rx_reo_dest_ind_or_sw_excpt(
- rx_desc->nbuf,
- hal_rx_sw_exception_get_be(ring_desc));
- QDF_NBUF_CB_RX_PKT_LEN(rx_desc->nbuf) = msdu_desc_info.msdu_len;
- QDF_NBUF_CB_RX_CTX_ID(rx_desc->nbuf) = reo_ring_num;
- /*
- * move unmap after scattered msdu waiting break logic
- * in case double skb unmap happened.
- */
- rx_desc_pool = &soc->rx_desc_buf[rx_desc->pool_id];
- dp_rx_nbuf_unmap(soc, rx_desc, reo_ring_num);
- rx_desc->unmapped = 1;
- DP_RX_PROCESS_NBUF(soc, nbuf_head, nbuf_tail, ebuf_head,
- ebuf_tail, rx_desc);
- /*
- * if continuation bit is set then we have MSDU spread
- * across multiple buffers, let us not decrement quota
- * till we reap all buffers of that MSDU.
- */
- if (qdf_likely(!qdf_nbuf_is_rx_chfrag_cont(rx_desc->nbuf)))
- quota -= 1;
- dp_rx_add_to_free_desc_list
- (&head[rx_desc->chip_id][rx_desc->pool_id],
- &tail[rx_desc->chip_id][rx_desc->pool_id], rx_desc);
- num_rx_bufs_reaped++;
- /*
- * only if complete msdu is received for scatter case,
- * then allow break.
- */
- if (is_prev_msdu_last &&
- dp_rx_reap_loop_pkt_limit_hit(soc, num_rx_bufs_reaped,
- max_reap_limit))
- break;
- }
- done:
- dp_rx_srng_access_end(int_ctx, soc, hal_ring_hdl);
- for (chip_id = 0; chip_id < WLAN_MAX_MLO_CHIPS; chip_id++) {
- for (mac_id = 0; mac_id < MAX_PDEV_CNT; mac_id++) {
- /*
- * continue with next mac_id if no pkts were reaped
- * from that pool
- */
- if (!rx_bufs_reaped[chip_id][mac_id])
- continue;
- replenish_soc = dp_rx_replensih_soc_get(soc, chip_id);
- dp_rxdma_srng =
- &replenish_soc->rx_refill_buf_ring[mac_id];
- rx_desc_pool = &replenish_soc->rx_desc_buf[mac_id];
- dp_rx_buffers_replenish(replenish_soc, mac_id,
- dp_rxdma_srng, rx_desc_pool,
- rx_bufs_reaped[chip_id][mac_id],
- &head[chip_id][mac_id],
- &tail[chip_id][mac_id]);
- }
- }
- /* Peer can be NULL is case of LFR */
- if (qdf_likely(txrx_peer))
- vdev = NULL;
- /*
- * BIG loop where each nbuf is dequeued from global queue,
- * processed and queued back on a per vdev basis. These nbufs
- * are sent to stack as and when we run out of nbufs
- * or a new nbuf dequeued from global queue has a different
- * vdev when compared to previous nbuf.
- */
- nbuf = nbuf_head;
- while (nbuf) {
- next = nbuf->next;
- dp_rx_prefetch_nbuf_data_be(nbuf, next);
- if (qdf_unlikely(dp_rx_is_raw_frame_dropped(nbuf))) {
- nbuf = next;
- DP_STATS_INC(soc, rx.err.raw_frm_drop, 1);
- continue;
- }
- rx_tlv_hdr = qdf_nbuf_data(nbuf);
- vdev_id = QDF_NBUF_CB_RX_VDEV_ID(nbuf);
- peer_id = QDF_NBUF_CB_RX_PEER_ID(nbuf);
- if (dp_rx_is_list_ready(deliver_list_head, vdev, txrx_peer,
- peer_id, vdev_id)) {
- dp_rx_deliver_to_stack(soc, vdev, txrx_peer,
- deliver_list_head,
- deliver_list_tail);
- deliver_list_head = NULL;
- deliver_list_tail = NULL;
- }
- /* Get TID from struct cb->tid_val, save to tid */
- if (qdf_nbuf_is_rx_chfrag_start(nbuf))
- tid = qdf_nbuf_get_tid_val(nbuf);
- if (qdf_unlikely(!txrx_peer)) {
- txrx_peer = dp_txrx_peer_get_ref_by_id(soc, peer_id,
- &txrx_ref_handle,
- DP_MOD_ID_RX);
- } else if (txrx_peer && txrx_peer->peer_id != peer_id) {
- dp_txrx_peer_unref_delete(txrx_ref_handle,
- DP_MOD_ID_RX);
- txrx_peer = dp_txrx_peer_get_ref_by_id(soc, peer_id,
- &txrx_ref_handle,
- DP_MOD_ID_RX);
- }
- if (txrx_peer) {
- QDF_NBUF_CB_DP_TRACE_PRINT(nbuf) = false;
- qdf_dp_trace_set_track(nbuf, QDF_RX);
- QDF_NBUF_CB_RX_DP_TRACE(nbuf) = 1;
- QDF_NBUF_CB_RX_PACKET_TRACK(nbuf) =
- QDF_NBUF_RX_PKT_DATA_TRACK;
- }
- rx_bufs_used++;
- if (qdf_likely(txrx_peer)) {
- vdev = txrx_peer->vdev;
- } else {
- nbuf->next = NULL;
- dp_rx_deliver_to_pkt_capture_no_peer(
- soc, nbuf, pkt_capture_offload);
- if (!pkt_capture_offload)
- dp_rx_deliver_to_stack_no_peer(soc, nbuf);
- nbuf = next;
- continue;
- }
- if (qdf_unlikely(!vdev)) {
- dp_rx_nbuf_free(nbuf);
- nbuf = next;
- DP_STATS_INC(soc, rx.err.invalid_vdev, 1);
- continue;
- }
- /* when hlos tid override is enabled, save tid in
- * skb->priority
- */
- if (qdf_unlikely(vdev->skip_sw_tid_classification &
- DP_TXRX_HLOS_TID_OVERRIDE_ENABLED))
- qdf_nbuf_set_priority(nbuf, tid);
- rx_pdev = vdev->pdev;
- DP_RX_TID_SAVE(nbuf, tid);
- if (qdf_unlikely(rx_pdev->delay_stats_flag) ||
- qdf_unlikely(wlan_cfg_is_peer_ext_stats_enabled(
- soc->wlan_cfg_ctx)) ||
- dp_rx_pkt_tracepoints_enabled())
- qdf_nbuf_set_timestamp(nbuf);
- enh_flag = rx_pdev->enhanced_stats_en;
- tid_stats =
- &rx_pdev->stats.tid_stats.tid_rx_stats[reo_ring_num][tid];
- /*
- * Check if DMA completed -- msdu_done is the last bit
- * to be written
- */
- if (qdf_unlikely(!qdf_nbuf_is_rx_chfrag_cont(nbuf) &&
- !hal_rx_tlv_msdu_done_get_be(rx_tlv_hdr))) {
- dp_err("MSDU DONE failure");
- DP_STATS_INC(soc, rx.err.msdu_done_fail, 1);
- hal_rx_dump_pkt_tlvs(hal_soc, rx_tlv_hdr,
- QDF_TRACE_LEVEL_INFO);
- tid_stats->fail_cnt[MSDU_DONE_FAILURE]++;
- dp_rx_nbuf_free(nbuf);
- qdf_assert(0);
- nbuf = next;
- continue;
- }
- DP_HIST_PACKET_COUNT_INC(vdev->pdev->pdev_id);
- /*
- * First IF condition:
- * 802.11 Fragmented pkts are reinjected to REO
- * HW block as SG pkts and for these pkts we only
- * need to pull the RX TLVS header length.
- * Second IF condition:
- * The below condition happens when an MSDU is spread
- * across multiple buffers. This can happen in two cases
- * 1. The nbuf size is smaller then the received msdu.
- * ex: we have set the nbuf size to 2048 during
- * nbuf_alloc. but we received an msdu which is
- * 2304 bytes in size then this msdu is spread
- * across 2 nbufs.
- *
- * 2. AMSDUs when RAW mode is enabled.
- * ex: 1st MSDU is in 1st nbuf and 2nd MSDU is spread
- * across 1st nbuf and 2nd nbuf and last MSDU is
- * spread across 2nd nbuf and 3rd nbuf.
- *
- * for these scenarios let us create a skb frag_list and
- * append these buffers till the last MSDU of the AMSDU
- * Third condition:
- * This is the most likely case, we receive 802.3 pkts
- * decapsulated by HW, here we need to set the pkt length.
- */
- hal_rx_msdu_packet_metadata_get_generic_be(rx_tlv_hdr,
- &msdu_metadata);
- if (qdf_unlikely(qdf_nbuf_is_frag(nbuf))) {
- bool is_mcbc, is_sa_vld, is_da_vld;
- is_mcbc = hal_rx_msdu_end_da_is_mcbc_get(soc->hal_soc,
- rx_tlv_hdr);
- is_sa_vld =
- hal_rx_msdu_end_sa_is_valid_get(soc->hal_soc,
- rx_tlv_hdr);
- is_da_vld =
- hal_rx_msdu_end_da_is_valid_get(soc->hal_soc,
- rx_tlv_hdr);
- qdf_nbuf_set_da_mcbc(nbuf, is_mcbc);
- qdf_nbuf_set_da_valid(nbuf, is_da_vld);
- qdf_nbuf_set_sa_valid(nbuf, is_sa_vld);
- qdf_nbuf_pull_head(nbuf, soc->rx_pkt_tlv_size);
- } else if (qdf_nbuf_is_rx_chfrag_cont(nbuf)) {
- msdu_len = QDF_NBUF_CB_RX_PKT_LEN(nbuf);
- nbuf = dp_rx_sg_create(soc, nbuf);
- next = nbuf->next;
- if (qdf_nbuf_is_raw_frame(nbuf)) {
- DP_STATS_INC(vdev->pdev, rx_raw_pkts, 1);
- DP_PEER_PER_PKT_STATS_INC_PKT(txrx_peer,
- rx.raw, 1,
- msdu_len);
- } else {
- dp_rx_nbuf_free(nbuf);
- DP_STATS_INC(soc, rx.err.scatter_msdu, 1);
- dp_info_rl("scatter msdu len %d, dropped",
- msdu_len);
- nbuf = next;
- continue;
- }
- } else {
- msdu_len = QDF_NBUF_CB_RX_PKT_LEN(nbuf);
- pkt_len = msdu_len +
- msdu_metadata.l3_hdr_pad +
- soc->rx_pkt_tlv_size;
- qdf_nbuf_set_pktlen(nbuf, pkt_len);
- dp_rx_skip_tlvs(soc, nbuf, msdu_metadata.l3_hdr_pad);
- }
- /*
- * process frame for mulitpass phrase processing
- */
- if (qdf_unlikely(vdev->multipass_en)) {
- if (dp_rx_multipass_process(txrx_peer, nbuf,
- tid) == false) {
- DP_PEER_PER_PKT_STATS_INC(txrx_peer,
- rx.multipass_rx_pkt_drop,
- 1);
- dp_rx_nbuf_free(nbuf);
- nbuf = next;
- continue;
- }
- }
- if (!dp_wds_rx_policy_check(rx_tlv_hdr, vdev, txrx_peer)) {
- dp_rx_err("%pK: Policy Check Drop pkt", soc);
- DP_PEER_PER_PKT_STATS_INC(txrx_peer,
- rx.policy_check_drop, 1);
- tid_stats->fail_cnt[POLICY_CHECK_DROP]++;
- /* Drop & free packet */
- dp_rx_nbuf_free(nbuf);
- /* Statistics */
- nbuf = next;
- continue;
- }
- if (qdf_unlikely(txrx_peer && (txrx_peer->nawds_enabled) &&
- (qdf_nbuf_is_da_mcbc(nbuf)) &&
- (hal_rx_get_mpdu_mac_ad4_valid_be(rx_tlv_hdr)
- == false))) {
- tid_stats->fail_cnt[NAWDS_MCAST_DROP]++;
- DP_PEER_PER_PKT_STATS_INC(txrx_peer,
- rx.nawds_mcast_drop, 1);
- dp_rx_nbuf_free(nbuf);
- nbuf = next;
- continue;
- }
- /*
- * Drop non-EAPOL frames from unauthorized peer.
- */
- if (qdf_likely(txrx_peer) &&
- qdf_unlikely(!txrx_peer->authorize) &&
- !qdf_nbuf_is_raw_frame(nbuf)) {
- bool is_eapol = qdf_nbuf_is_ipv4_eapol_pkt(nbuf) ||
- qdf_nbuf_is_ipv4_wapi_pkt(nbuf);
- if (!is_eapol) {
- DP_PEER_PER_PKT_STATS_INC(txrx_peer,
- rx.peer_unauth_rx_pkt_drop,
- 1);
- dp_rx_nbuf_free(nbuf);
- nbuf = next;
- continue;
- }
- }
- if (soc->process_rx_status)
- dp_rx_cksum_offload(vdev->pdev, nbuf, rx_tlv_hdr);
- /* Update the protocol tag in SKB based on CCE metadata */
- dp_rx_update_protocol_tag(soc, vdev, nbuf, rx_tlv_hdr,
- reo_ring_num, false, true);
- /* Update the flow tag in SKB based on FSE metadata */
- dp_rx_update_flow_tag(soc, vdev, nbuf, rx_tlv_hdr, true);
- dp_rx_msdu_stats_update(soc, nbuf, rx_tlv_hdr, txrx_peer,
- reo_ring_num, tid_stats);
- if (qdf_unlikely(vdev->mesh_vdev)) {
- if (dp_rx_filter_mesh_packets(vdev, nbuf, rx_tlv_hdr)
- == QDF_STATUS_SUCCESS) {
- dp_rx_info("%pK: mesh pkt filtered", soc);
- tid_stats->fail_cnt[MESH_FILTER_DROP]++;
- DP_STATS_INC(vdev->pdev, dropped.mesh_filter,
- 1);
- dp_rx_nbuf_free(nbuf);
- nbuf = next;
- continue;
- }
- dp_rx_fill_mesh_stats(vdev, nbuf, rx_tlv_hdr,
- txrx_peer);
- }
- if (qdf_likely(vdev->rx_decap_type ==
- htt_cmn_pkt_type_ethernet) &&
- qdf_likely(!vdev->mesh_vdev)) {
- dp_rx_wds_learn(soc, vdev,
- rx_tlv_hdr,
- txrx_peer,
- nbuf,
- msdu_metadata);
- /* Intrabss-fwd */
- if (dp_rx_check_ap_bridge(vdev))
- if (dp_rx_intrabss_fwd_be(soc, txrx_peer,
- rx_tlv_hdr,
- nbuf,
- msdu_metadata)) {
- nbuf = next;
- tid_stats->intrabss_cnt++;
- continue; /* Get next desc */
- }
- }
- dp_rx_fill_gro_info(soc, rx_tlv_hdr, nbuf, &rx_ol_pkt_cnt);
- dp_rx_mark_first_packet_after_wow_wakeup(vdev->pdev, rx_tlv_hdr,
- nbuf);
- dp_rx_update_stats(soc, nbuf);
- DP_RX_LIST_APPEND(deliver_list_head,
- deliver_list_tail,
- nbuf);
- DP_PEER_TO_STACK_INCC_PKT(txrx_peer, 1,
- QDF_NBUF_CB_RX_PKT_LEN(nbuf),
- enh_flag);
- if (qdf_unlikely(txrx_peer->in_twt))
- DP_PEER_PER_PKT_STATS_INC_PKT(txrx_peer,
- rx.to_stack_twt, 1,
- QDF_NBUF_CB_RX_PKT_LEN(nbuf));
- tid_stats->delivered_to_stack++;
- nbuf = next;
- }
- if (qdf_likely(deliver_list_head)) {
- if (qdf_likely(txrx_peer)) {
- dp_rx_deliver_to_pkt_capture(soc, vdev->pdev, peer_id,
- pkt_capture_offload,
- deliver_list_head);
- if (!pkt_capture_offload)
- dp_rx_deliver_to_stack(soc, vdev, txrx_peer,
- deliver_list_head,
- deliver_list_tail);
- } else {
- nbuf = deliver_list_head;
- while (nbuf) {
- next = nbuf->next;
- nbuf->next = NULL;
- dp_rx_deliver_to_stack_no_peer(soc, nbuf);
- nbuf = next;
- }
- }
- }
- if (qdf_likely(txrx_peer))
- dp_txrx_peer_unref_delete(txrx_ref_handle, DP_MOD_ID_RX);
- /*
- * If we are processing in near-full condition, there are 3 scenario
- * 1) Ring entries has reached critical state
- * 2) Ring entries are still near high threshold
- * 3) Ring entries are below the safe level
- *
- * One more loop will move the state to normal processing and yield
- */
- if (ring_near_full && quota)
- goto more_data;
- if (dp_rx_enable_eol_data_check(soc) && rx_bufs_used) {
- if (quota) {
- num_pending =
- dp_rx_srng_get_num_pending(hal_soc,
- hal_ring_hdl,
- num_entries,
- &near_full);
- if (num_pending) {
- DP_STATS_INC(soc, rx.hp_oos2, 1);
- if (!hif_exec_should_yield(scn, intr_id))
- goto more_data;
- if (qdf_unlikely(near_full)) {
- DP_STATS_INC(soc, rx.near_full, 1);
- goto more_data;
- }
- }
- }
- if (vdev && vdev->osif_fisa_flush)
- vdev->osif_fisa_flush(soc, reo_ring_num);
- if (vdev && vdev->osif_gro_flush && rx_ol_pkt_cnt) {
- vdev->osif_gro_flush(vdev->osif_vdev,
- reo_ring_num);
- }
- }
- /* Update histogram statistics by looping through pdev's */
- DP_RX_HIST_STATS_PER_PDEV();
- return rx_bufs_used; /* Assume no scale factor for now */
- }
- #ifdef RX_DESC_MULTI_PAGE_ALLOC
- /**
- * dp_rx_desc_pool_init_be_cc() - initial RX desc pool for cookie conversion
- * @soc: Handle to DP Soc structure
- * @rx_desc_pool: Rx descriptor pool handler
- * @pool_id: Rx descriptor pool ID
- *
- * Return: QDF_STATUS_SUCCESS - succeeded, others - failed
- */
- static QDF_STATUS
- dp_rx_desc_pool_init_be_cc(struct dp_soc *soc,
- struct rx_desc_pool *rx_desc_pool,
- uint32_t pool_id)
- {
- struct dp_hw_cookie_conversion_t *cc_ctx;
- struct dp_soc_be *be_soc;
- union dp_rx_desc_list_elem_t *rx_desc_elem;
- struct dp_spt_page_desc *page_desc;
- uint32_t ppt_idx = 0;
- uint32_t avail_entry_index = 0;
- if (!rx_desc_pool->pool_size) {
- dp_err("desc_num 0 !!");
- return QDF_STATUS_E_FAILURE;
- }
- be_soc = dp_get_be_soc_from_dp_soc(soc);
- cc_ctx = &be_soc->rx_cc_ctx[pool_id];
- page_desc = &cc_ctx->page_desc_base[0];
- rx_desc_elem = rx_desc_pool->freelist;
- while (rx_desc_elem) {
- if (avail_entry_index == 0) {
- if (ppt_idx >= cc_ctx->total_page_num) {
- dp_alert("insufficient secondary page tables");
- qdf_assert_always(0);
- }
- page_desc = &cc_ctx->page_desc_base[ppt_idx++];
- }
- /* put each RX Desc VA to SPT pages and
- * get corresponding ID
- */
- DP_CC_SPT_PAGE_UPDATE_VA(page_desc->page_v_addr,
- avail_entry_index,
- &rx_desc_elem->rx_desc);
- rx_desc_elem->rx_desc.cookie =
- dp_cc_desc_id_generate(page_desc->ppt_index,
- avail_entry_index);
- rx_desc_elem->rx_desc.chip_id = dp_mlo_get_chip_id(soc);
- rx_desc_elem->rx_desc.pool_id = pool_id;
- rx_desc_elem->rx_desc.in_use = 0;
- rx_desc_elem = rx_desc_elem->next;
- avail_entry_index = (avail_entry_index + 1) &
- DP_CC_SPT_PAGE_MAX_ENTRIES_MASK;
- }
- return QDF_STATUS_SUCCESS;
- }
- #else
- static QDF_STATUS
- dp_rx_desc_pool_init_be_cc(struct dp_soc *soc,
- struct rx_desc_pool *rx_desc_pool,
- uint32_t pool_id)
- {
- struct dp_hw_cookie_conversion_t *cc_ctx;
- struct dp_soc_be *be_soc;
- struct dp_spt_page_desc *page_desc;
- uint32_t ppt_idx = 0;
- uint32_t avail_entry_index = 0;
- int i = 0;
- if (!rx_desc_pool->pool_size) {
- dp_err("desc_num 0 !!");
- return QDF_STATUS_E_FAILURE;
- }
- be_soc = dp_get_be_soc_from_dp_soc(soc);
- cc_ctx = &be_soc->rx_cc_ctx[pool_id];
- page_desc = &cc_ctx->page_desc_base[0];
- for (i = 0; i <= rx_desc_pool->pool_size - 1; i++) {
- if (i == rx_desc_pool->pool_size - 1)
- rx_desc_pool->array[i].next = NULL;
- else
- rx_desc_pool->array[i].next =
- &rx_desc_pool->array[i + 1];
- if (avail_entry_index == 0) {
- if (ppt_idx >= cc_ctx->total_page_num) {
- dp_alert("insufficient secondary page tables");
- qdf_assert_always(0);
- }
- page_desc = &cc_ctx->page_desc_base[ppt_idx++];
- }
- /* put each RX Desc VA to SPT pages and
- * get corresponding ID
- */
- DP_CC_SPT_PAGE_UPDATE_VA(page_desc->page_v_addr,
- avail_entry_index,
- &rx_desc_pool->array[i].rx_desc);
- rx_desc_pool->array[i].rx_desc.cookie =
- dp_cc_desc_id_generate(page_desc->ppt_index,
- avail_entry_index);
- rx_desc_pool->array[i].rx_desc.pool_id = pool_id;
- rx_desc_pool->array[i].rx_desc.in_use = 0;
- rx_desc_pool->array[i].rx_desc.chip_id =
- dp_mlo_get_chip_id(soc);
- avail_entry_index = (avail_entry_index + 1) &
- DP_CC_SPT_PAGE_MAX_ENTRIES_MASK;
- }
- return QDF_STATUS_SUCCESS;
- }
- #endif
- static void
- dp_rx_desc_pool_deinit_be_cc(struct dp_soc *soc,
- struct rx_desc_pool *rx_desc_pool,
- uint32_t pool_id)
- {
- struct dp_spt_page_desc *page_desc;
- struct dp_soc_be *be_soc;
- int i = 0;
- struct dp_hw_cookie_conversion_t *cc_ctx;
- be_soc = dp_get_be_soc_from_dp_soc(soc);
- cc_ctx = &be_soc->rx_cc_ctx[pool_id];
- for (i = 0; i < cc_ctx->total_page_num; i++) {
- page_desc = &cc_ctx->page_desc_base[i];
- qdf_mem_zero(page_desc->page_v_addr, qdf_page_size);
- }
- }
- QDF_STATUS dp_rx_desc_pool_init_be(struct dp_soc *soc,
- struct rx_desc_pool *rx_desc_pool,
- uint32_t pool_id)
- {
- QDF_STATUS status = QDF_STATUS_SUCCESS;
- /* Only regular RX buffer desc pool use HW cookie conversion */
- if (rx_desc_pool->desc_type == DP_RX_DESC_BUF_TYPE) {
- dp_info("rx_desc_buf pool init");
- status = dp_rx_desc_pool_init_be_cc(soc,
- rx_desc_pool,
- pool_id);
- } else {
- dp_info("non_rx_desc_buf_pool init");
- status = dp_rx_desc_pool_init_generic(soc, rx_desc_pool,
- pool_id);
- }
- return status;
- }
- void dp_rx_desc_pool_deinit_be(struct dp_soc *soc,
- struct rx_desc_pool *rx_desc_pool,
- uint32_t pool_id)
- {
- if (rx_desc_pool->desc_type == DP_RX_DESC_BUF_TYPE)
- dp_rx_desc_pool_deinit_be_cc(soc, rx_desc_pool, pool_id);
- }
- #ifdef DP_FEATURE_HW_COOKIE_CONVERSION
- #ifdef DP_HW_COOKIE_CONVERT_EXCEPTION
- QDF_STATUS dp_wbm_get_rx_desc_from_hal_desc_be(struct dp_soc *soc,
- void *ring_desc,
- struct dp_rx_desc **r_rx_desc)
- {
- if (hal_rx_wbm_get_cookie_convert_done(ring_desc)) {
- /* HW cookie conversion done */
- *r_rx_desc = (struct dp_rx_desc *)
- hal_rx_wbm_get_desc_va(ring_desc);
- } else {
- /* SW do cookie conversion */
- uint32_t cookie = HAL_RX_BUF_COOKIE_GET(ring_desc);
- *r_rx_desc = (struct dp_rx_desc *)
- dp_cc_desc_find(soc, cookie);
- }
- return QDF_STATUS_SUCCESS;
- }
- #else
- QDF_STATUS dp_wbm_get_rx_desc_from_hal_desc_be(struct dp_soc *soc,
- void *ring_desc,
- struct dp_rx_desc **r_rx_desc)
- {
- *r_rx_desc = (struct dp_rx_desc *)
- hal_rx_wbm_get_desc_va(ring_desc);
- return QDF_STATUS_SUCCESS;
- }
- #endif /* DP_HW_COOKIE_CONVERT_EXCEPTION */
- #else
- QDF_STATUS dp_wbm_get_rx_desc_from_hal_desc_be(struct dp_soc *soc,
- void *ring_desc,
- struct dp_rx_desc **r_rx_desc)
- {
- /* SW do cookie conversion */
- uint32_t cookie = HAL_RX_BUF_COOKIE_GET(ring_desc);
- *r_rx_desc = (struct dp_rx_desc *)
- dp_cc_desc_find(soc, cookie);
- return QDF_STATUS_SUCCESS;
- }
- #endif /* DP_FEATURE_HW_COOKIE_CONVERSION */
- struct dp_rx_desc *dp_rx_desc_cookie_2_va_be(struct dp_soc *soc,
- uint32_t cookie)
- {
- return (struct dp_rx_desc *)dp_cc_desc_find(soc, cookie);
- }
- #if defined(WLAN_FEATURE_11BE_MLO)
- #if defined(WLAN_MLO_MULTI_CHIP) && defined(WLAN_MCAST_MLO)
- #define DP_RANDOM_MAC_ID_BIT_MASK 0xC0
- #define DP_RANDOM_MAC_OFFSET 1
- #define DP_MAC_LOCAL_ADMBIT_MASK 0x2
- #define DP_MAC_LOCAL_ADMBIT_OFFSET 0
- static inline void dp_rx_dummy_src_mac(struct dp_vdev *vdev,
- qdf_nbuf_t nbuf)
- {
- uint8_t random_mac[QDF_MAC_ADDR_SIZE] = {0};
- qdf_ether_header_t *eh =
- (qdf_ether_header_t *)qdf_nbuf_data(nbuf);
- qdf_mem_copy(random_mac, &vdev->mld_mac_addr.raw[0], QDF_MAC_ADDR_SIZE);
- random_mac[DP_MAC_LOCAL_ADMBIT_OFFSET] =
- random_mac[DP_MAC_LOCAL_ADMBIT_OFFSET] |
- DP_MAC_LOCAL_ADMBIT_MASK;
- random_mac[DP_RANDOM_MAC_OFFSET] =
- random_mac[DP_RANDOM_MAC_OFFSET] ^ DP_RANDOM_MAC_ID_BIT_MASK;
- qdf_mem_copy(&eh->ether_shost[0], random_mac, QDF_MAC_ADDR_SIZE);
- }
- #ifdef QCA_SUPPORT_WDS_EXTENDED
- static inline bool dp_rx_mlo_igmp_wds_ext_handler(struct dp_txrx_peer *peer)
- {
- return qdf_atomic_test_bit(WDS_EXT_PEER_INIT_BIT, &peer->wds_ext.init);
- }
- #else
- static inline bool dp_rx_mlo_igmp_wds_ext_handler(struct dp_txrx_peer *peer)
- {
- return false;
- }
- #endif
- bool dp_rx_mlo_igmp_handler(struct dp_soc *soc,
- struct dp_vdev *vdev,
- struct dp_txrx_peer *peer,
- qdf_nbuf_t nbuf)
- {
- struct dp_vdev *mcast_primary_vdev = NULL;
- struct dp_vdev_be *be_vdev = dp_get_be_vdev_from_dp_vdev(vdev);
- struct dp_soc_be *be_soc = dp_get_be_soc_from_dp_soc(soc);
- if (!(qdf_nbuf_is_ipv4_igmp_pkt(nbuf) ||
- qdf_nbuf_is_ipv6_igmp_pkt(nbuf)))
- return false;
- /*
- * In the case of ME6, Backhaul WDS, NAWDS
- * send the igmp pkt on the same link where it received,
- * as these features will use peer based tcl metadata
- */
- qdf_nbuf_set_next(nbuf, NULL);
- if (vdev->mcast_enhancement_en || be_vdev->mcast_primary ||
- peer->nawds_enabled)
- goto send_pkt;
- if (qdf_unlikely(dp_rx_mlo_igmp_wds_ext_handler(peer)))
- goto send_pkt;
- mcast_primary_vdev = dp_mlo_get_mcast_primary_vdev(be_soc, be_vdev,
- DP_MOD_ID_RX);
- if (!mcast_primary_vdev) {
- dp_rx_debug("Non mlo vdev");
- goto send_pkt;
- }
- dp_rx_dummy_src_mac(vdev, nbuf);
- dp_rx_deliver_to_stack(mcast_primary_vdev->pdev->soc,
- mcast_primary_vdev,
- peer,
- nbuf,
- NULL);
- dp_vdev_unref_delete(mcast_primary_vdev->pdev->soc,
- mcast_primary_vdev,
- DP_MOD_ID_RX);
- return true;
- send_pkt:
- dp_rx_deliver_to_stack(be_vdev->vdev.pdev->soc,
- &be_vdev->vdev,
- peer,
- nbuf,
- NULL);
- return true;
- }
- #else
- bool dp_rx_mlo_igmp_handler(struct dp_soc *soc,
- struct dp_vdev *vdev,
- struct dp_txrx_peer *peer,
- qdf_nbuf_t nbuf)
- {
- return false;
- }
- #endif
- #endif
- #ifdef WLAN_FEATURE_NEAR_FULL_IRQ
- uint32_t dp_rx_nf_process(struct dp_intr *int_ctx,
- hal_ring_handle_t hal_ring_hdl,
- uint8_t reo_ring_num,
- uint32_t quota)
- {
- struct dp_soc *soc = int_ctx->soc;
- struct dp_srng *rx_ring = &soc->reo_dest_ring[reo_ring_num];
- uint32_t work_done = 0;
- if (dp_srng_get_near_full_level(soc, rx_ring) <
- DP_SRNG_THRESH_NEAR_FULL)
- return 0;
- qdf_atomic_set(&rx_ring->near_full, 1);
- work_done++;
- return work_done;
- }
- #endif
- #ifndef QCA_HOST_MODE_WIFI_DISABLED
- #ifdef WLAN_FEATURE_11BE_MLO
- /**
- * dp_rx_intrabss_fwd_mlo_allow() - check if MLO forwarding is allowed
- * @ta_peer: transmitter peer handle
- * @da_peer: destination peer handle
- *
- * Return: true - MLO forwarding case, false: not
- */
- static inline bool
- dp_rx_intrabss_fwd_mlo_allow(struct dp_txrx_peer *ta_peer,
- struct dp_txrx_peer *da_peer)
- {
- /* one of TA/DA peer should belong to MLO connection peer,
- * only MLD peer type is as expected
- */
- if (!IS_MLO_DP_MLD_TXRX_PEER(ta_peer) &&
- !IS_MLO_DP_MLD_TXRX_PEER(da_peer))
- return false;
- /* TA peer and DA peer's vdev should be partner MLO vdevs */
- if (dp_peer_find_mac_addr_cmp(&ta_peer->vdev->mld_mac_addr,
- &da_peer->vdev->mld_mac_addr))
- return false;
- return true;
- }
- #else
- static inline bool
- dp_rx_intrabss_fwd_mlo_allow(struct dp_txrx_peer *ta_peer,
- struct dp_txrx_peer *da_peer)
- {
- return false;
- }
- #endif
- #ifdef INTRA_BSS_FWD_OFFLOAD
- /**
- * dp_rx_intrabss_ucast_check_be() - Check if intrabss is allowed
- for unicast frame
- * @soc: SOC hanlde
- * @nbuf: RX packet buffer
- * @ta_peer: transmitter DP peer handle
- * @msdu_metadata: MSDU meta data info
- * @p_tx_vdev_id: get vdev id for Intra-BSS TX
- *
- * Return: true - intrabss allowed
- false - not allow
- */
- static bool
- dp_rx_intrabss_ucast_check_be(qdf_nbuf_t nbuf,
- struct dp_txrx_peer *ta_peer,
- struct hal_rx_msdu_metadata *msdu_metadata,
- struct dp_be_intrabss_params *params)
- {
- uint16_t da_peer_id;
- struct dp_txrx_peer *da_peer;
- dp_txrx_ref_handle txrx_ref_handle = NULL;
- if (!qdf_nbuf_is_intra_bss(nbuf))
- return false;
- da_peer_id = dp_rx_peer_metadata_peer_id_get_be(
- params->dest_soc,
- msdu_metadata->da_idx);
- da_peer = dp_txrx_peer_get_ref_by_id(params->dest_soc, da_peer_id,
- &txrx_ref_handle, DP_MOD_ID_RX);
- if (!da_peer)
- return false;
- params->tx_vdev_id = da_peer->vdev->vdev_id;
- dp_txrx_peer_unref_delete(txrx_ref_handle, DP_MOD_ID_RX);
- return true;
- }
- #else
- #ifdef WLAN_MLO_MULTI_CHIP
- static bool
- dp_rx_intrabss_ucast_check_be(qdf_nbuf_t nbuf,
- struct dp_txrx_peer *ta_peer,
- struct hal_rx_msdu_metadata *msdu_metadata,
- struct dp_be_intrabss_params *params)
- {
- uint16_t da_peer_id;
- struct dp_txrx_peer *da_peer;
- bool ret = false;
- uint8_t dest_chip_id;
- dp_txrx_ref_handle txrx_ref_handle = NULL;
- struct dp_vdev_be *be_vdev =
- dp_get_be_vdev_from_dp_vdev(ta_peer->vdev);
- struct dp_soc_be *be_soc =
- dp_get_be_soc_from_dp_soc(params->dest_soc);
- if (!(qdf_nbuf_is_da_valid(nbuf) || qdf_nbuf_is_da_mcbc(nbuf)))
- return false;
- dest_chip_id = HAL_RX_DEST_CHIP_ID_GET(msdu_metadata);
- qdf_assert_always(dest_chip_id <= (DP_MLO_MAX_DEST_CHIP_ID - 1));
- da_peer_id = HAL_RX_PEER_ID_GET(msdu_metadata);
- /* use dest chip id when TA is MLD peer and DA is legacy */
- if (be_soc->mlo_enabled &&
- ta_peer->mld_peer &&
- !(da_peer_id & HAL_RX_DA_IDX_ML_PEER_MASK)) {
- /* validate chip_id, get a ref, and re-assign soc */
- params->dest_soc =
- dp_mlo_get_soc_ref_by_chip_id(be_soc->ml_ctxt,
- dest_chip_id);
- if (!params->dest_soc)
- return false;
- da_peer = dp_txrx_peer_get_ref_by_id(params->dest_soc,
- da_peer_id,
- &txrx_ref_handle,
- DP_MOD_ID_RX);
- if (!da_peer)
- return false;
- } else {
- da_peer = dp_txrx_peer_get_ref_by_id(params->dest_soc,
- da_peer_id,
- &txrx_ref_handle,
- DP_MOD_ID_RX);
- if (!da_peer)
- return false;
- params->dest_soc = da_peer->vdev->pdev->soc;
- if (!params->dest_soc)
- goto rel_da_peer;
- }
- params->tx_vdev_id = da_peer->vdev->vdev_id;
- /* If the source or destination peer in the isolation
- * list then dont forward instead push to bridge stack.
- */
- if (dp_get_peer_isolation(ta_peer) ||
- dp_get_peer_isolation(da_peer)) {
- ret = false;
- goto rel_da_peer;
- }
- if (da_peer->bss_peer || (da_peer == ta_peer)) {
- ret = false;
- goto rel_da_peer;
- }
- /* Same vdev, support Inra-BSS */
- if (da_peer->vdev == ta_peer->vdev) {
- ret = true;
- goto rel_da_peer;
- }
- /* MLO specific Intra-BSS check */
- if (dp_rx_intrabss_fwd_mlo_allow(ta_peer, da_peer)) {
- /* use dest chip id for legacy dest peer */
- if (!(da_peer_id & HAL_RX_DA_IDX_ML_PEER_MASK)) {
- if (!(be_vdev->partner_vdev_list[dest_chip_id][0] ==
- params->tx_vdev_id) &&
- !(be_vdev->partner_vdev_list[dest_chip_id][1] ==
- params->tx_vdev_id)) {
- /*dp_soc_unref_delete(soc);*/
- goto rel_da_peer;
- }
- }
- ret = true;
- }
- rel_da_peer:
- dp_txrx_peer_unref_delete(txrx_ref_handle, DP_MOD_ID_RX);
- return ret;
- }
- #else
- static bool
- dp_rx_intrabss_ucast_check_be(qdf_nbuf_t nbuf,
- struct dp_txrx_peer *ta_peer,
- struct hal_rx_msdu_metadata *msdu_metadata,
- struct dp_be_intrabss_params *params)
- {
- uint16_t da_peer_id;
- struct dp_txrx_peer *da_peer;
- bool ret = false;
- dp_txrx_ref_handle txrx_ref_handle = NULL;
- if (!qdf_nbuf_is_da_valid(nbuf) || qdf_nbuf_is_da_mcbc(nbuf))
- return false;
- da_peer_id = dp_rx_peer_metadata_peer_id_get_be(
- params->dest_soc,
- msdu_metadata->da_idx);
- da_peer = dp_txrx_peer_get_ref_by_id(params->dest_soc, da_peer_id,
- &txrx_ref_handle, DP_MOD_ID_RX);
- if (!da_peer)
- return false;
- params->tx_vdev_id = da_peer->vdev->vdev_id;
- /* If the source or destination peer in the isolation
- * list then dont forward instead push to bridge stack.
- */
- if (dp_get_peer_isolation(ta_peer) ||
- dp_get_peer_isolation(da_peer))
- goto rel_da_peer;
- if (da_peer->bss_peer || da_peer == ta_peer)
- goto rel_da_peer;
- /* Same vdev, support Inra-BSS */
- if (da_peer->vdev == ta_peer->vdev) {
- ret = true;
- goto rel_da_peer;
- }
- /* MLO specific Intra-BSS check */
- if (dp_rx_intrabss_fwd_mlo_allow(ta_peer, da_peer)) {
- ret = true;
- goto rel_da_peer;
- }
- rel_da_peer:
- dp_txrx_peer_unref_delete(txrx_ref_handle, DP_MOD_ID_RX);
- return ret;
- }
- #endif /* WLAN_MLO_MULTI_CHIP */
- #endif /* INTRA_BSS_FWD_OFFLOAD */
- /*
- * dp_rx_intrabss_handle_nawds_be() - Forward mcbc intrabss pkts in nawds case
- * @soc: core txrx main context
- * @ta_txrx_peer: source txrx_peer entry
- * @nbuf_copy: nbuf that has to be intrabss forwarded
- * @tid_stats: tid_stats structure
- *
- * Return: true if it is forwarded else false
- */
- bool
- dp_rx_intrabss_handle_nawds_be(struct dp_soc *soc,
- struct dp_txrx_peer *ta_txrx_peer,
- qdf_nbuf_t nbuf_copy,
- struct cdp_tid_rx_stats *tid_stats)
- {
- if (qdf_unlikely(ta_txrx_peer->vdev->nawds_enabled)) {
- struct cdp_tx_exception_metadata tx_exc_metadata = {0};
- uint16_t len = QDF_NBUF_CB_RX_PKT_LEN(nbuf_copy);
- tx_exc_metadata.peer_id = ta_txrx_peer->peer_id;
- tx_exc_metadata.is_intrabss_fwd = 1;
- tx_exc_metadata.tid = HTT_TX_EXT_TID_INVALID;
- if (dp_tx_send_exception((struct cdp_soc_t *)soc,
- ta_txrx_peer->vdev->vdev_id,
- nbuf_copy,
- &tx_exc_metadata)) {
- DP_PEER_PER_PKT_STATS_INC_PKT(ta_txrx_peer,
- rx.intra_bss.fail, 1,
- len);
- tid_stats->fail_cnt[INTRABSS_DROP]++;
- qdf_nbuf_free(nbuf_copy);
- } else {
- DP_PEER_PER_PKT_STATS_INC_PKT(ta_txrx_peer,
- rx.intra_bss.pkts, 1,
- len);
- tid_stats->intrabss_cnt++;
- }
- return true;
- }
- return false;
- }
- /*
- * dp_rx_intrabss_fwd_be() - API for intrabss fwd. For EAPOL
- * pkt with DA not equal to vdev mac addr, fwd is not allowed.
- * @soc: core txrx main context
- * @ta_peer: source peer entry
- * @rx_tlv_hdr: start address of rx tlvs
- * @nbuf: nbuf that has to be intrabss forwarded
- * @msdu_metadata: msdu metadata
- *
- * Return: true if it is forwarded else false
- */
- bool dp_rx_intrabss_fwd_be(struct dp_soc *soc, struct dp_txrx_peer *ta_peer,
- uint8_t *rx_tlv_hdr, qdf_nbuf_t nbuf,
- struct hal_rx_msdu_metadata msdu_metadata)
- {
- uint8_t tid = qdf_nbuf_get_tid_val(nbuf);
- uint8_t ring_id = QDF_NBUF_CB_RX_CTX_ID(nbuf);
- struct cdp_tid_rx_stats *tid_stats = &ta_peer->vdev->pdev->stats.
- tid_stats.tid_rx_stats[ring_id][tid];
- bool ret = false;
- struct dp_be_intrabss_params params;
- /* if it is a broadcast pkt (eg: ARP) and it is not its own
- * source, then clone the pkt and send the cloned pkt for
- * intra BSS forwarding and original pkt up the network stack
- * Note: how do we handle multicast pkts. do we forward
- * all multicast pkts as is or let a higher layer module
- * like igmpsnoop decide whether to forward or not with
- * Mcast enhancement.
- */
- if (qdf_nbuf_is_da_mcbc(nbuf) && !ta_peer->bss_peer) {
- return dp_rx_intrabss_mcbc_fwd(soc, ta_peer, rx_tlv_hdr,
- nbuf, tid_stats);
- }
- if (dp_rx_intrabss_eapol_drop_check(soc, ta_peer, rx_tlv_hdr,
- nbuf))
- return true;
- params.dest_soc = soc;
- if (dp_rx_intrabss_ucast_check_be(nbuf, ta_peer,
- &msdu_metadata, ¶ms)) {
- ret = dp_rx_intrabss_ucast_fwd(params.dest_soc, ta_peer,
- params.tx_vdev_id,
- rx_tlv_hdr, nbuf, tid_stats);
- }
- return ret;
- }
- #endif
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