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93cd9e0af8e0752970ff1b579a1e0d3aaf1e5cd4
android_kernel_samsung_sm86…/dp/wifi3.0/be/dp_be_rx.c
Harsh Kumar Bijlani 93cd9e0af8 qcacmn: Update stats in dp_txrx_peer in per packet path 
Update stats in dp_txrx_peer in per packet Tx completion and
Rx path.

Change-Id: I807cb5ca9fe2aeeabdd4cb95d6e30cb9781560f4
CRs-Fixed: 3092123
2022-02-09 11:54:46 -08:00

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40 KiB
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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_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"
#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
*
* 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)
{
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 (hal_rx_get_mpdu_mac_ad4_valid(soc->hal_soc, 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)
{
}
#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);
}
#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[MAX_PDEV_CNT];
union dp_rx_desc_list_elem_t *tail[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;
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[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;
DP_HIST_INIT();
qdf_assert_always(soc && hal_ring_hdl);
hal_soc = soc->hal_soc;
qdf_assert_always(hal_soc);
scn = soc->hif_handle;
hif_pm_runtime_mark_dp_rx_busy(scn);
intr_id = int_ctx->dp_intr_id;
num_entries = hal_srng_get_num_entries(hal_soc, hal_ring_hdl);
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->pool_id],
&tail[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->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->pool_id],
&tail[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);
replenish_soc = dp_rx_replensih_soc_get(soc, reo_ring_num);
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[mac_id])
continue;
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[mac_id],
&head[mac_id], &tail[mac_id]);
}
dp_verbose_debug("replenished %u\n", rx_bufs_reaped[0]);
/* 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;
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)))
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_attn_msdu_done_get(hal_soc,
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_metadata_get(hal_soc, 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(soc->hal_soc,
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_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.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;
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)
static inline void dp_rx_dummy_src_mac(qdf_nbuf_t nbuf)
{
qdf_ether_header_t *eh =
(qdf_ether_header_t *)qdf_nbuf_data(nbuf);
eh->ether_shost[0] = 0x4d; /* M */
eh->ether_shost[1] = 0x4c; /* L */
eh->ether_shost[2] = 0x4d; /* M */
eh->ether_shost[3] = 0x43; /* C */
eh->ether_shost[4] = 0x41; /* A */
eh->ether_shost[5] = 0x53; /* S */
}
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(buf) ||
qdf_nbuf_is_ipv6_igmp_pkt(buf)))
return false;
if (vdev->mcast_enhancement_en || be_vdev->mcast_primary)
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(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_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;
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;
uint8_t soc_idx;
dp_txrx_ref_handle txrx_ref_handle;
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));
if (be_soc->mlo_enabled) {
/* 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_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;
/* soc unref if needed */
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)) {
/* index of soc in the array */
soc_idx = dest_chip_id << DP_MLO_DEST_CHIP_ID_SHIFT;
if (!(be_vdev->partner_vdev_list[soc_idx][0] ==
params->tx_vdev_id) &&
!(be_vdev->partner_vdev_list[soc_idx][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;
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_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, &params)) {
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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