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fe14b1901bef01ed9d5919a98580f6ca40d0c3f3
android_kernel_samsung_sm86…/dp/wifi3.0/be/dp_be_rx.c
Varsha Mishra eadb65cdde qcacmn: Update vlan tag in multipass received frames 
All packets except TID 0 first come to REO error NULL queue.
This happens because only TID 0 queue is setup initially.
Added multipass specific code in NULL queue path.

Change-Id: I8103215ad3e28796c868caa3eec816b9d118da9d
CRs-Fixed: 3482796
2023-07-05 08:36:38 -07:00

2337 行
64 KiB
C
原始文件 Blame 歷史記錄

/*
* Copyright (c) 2016-2021 The Linux Foundation. All rights reserved.
* Copyright (c) 2021-2023 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"
#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"
#ifdef WLAN_SUPPORT_RX_FLOW_TAG
static inline void
dp_rx_update_flow_info(qdf_nbuf_t nbuf, uint8_t *rx_tlv_hdr)
{
uint32_t fse_metadata;
/* Set the flow idx valid flag only when there is no timeout */
if (hal_rx_msdu_flow_idx_timeout_be(rx_tlv_hdr))
return;
/*
* If invalid bit is not set and the fse metadata indicates that it is
* a valid SFE flow match in FSE, do not set the rx flow tag and let it
* go via stack instead of VP.
*/
fse_metadata = hal_rx_msdu_fse_metadata_get_be(rx_tlv_hdr);
if (!hal_rx_msdu_flow_idx_invalid_be(rx_tlv_hdr) && (fse_metadata == DP_RX_FSE_FLOW_MATCH_SFE))
return;
qdf_nbuf_set_rx_flow_idx_valid(nbuf,
!hal_rx_msdu_flow_idx_invalid_be(rx_tlv_hdr));
}
#else
static inline void
dp_rx_update_flow_info(qdf_nbuf_t nbuf, uint8_t *rx_tlv_hdr)
{
}
#endif
#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;
hal_rx_msdu_packet_metadata_get_generic_be(rx_tlv_hdr, &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) &&
(qdf_nbuf_is_fr_ds_set(nbuf) && qdf_nbuf_is_to_ds_set(nbuf))) {
qdf_atomic_test_and_set_bit(WDS_EXT_PEER_INIT_BIT,
&ta_txrx_peer->wds_ext.init);
if (qdf_unlikely(ta_txrx_peer->nawds_enabled &&
ta_txrx_peer->is_mld_peer)) {
ta_base_peer = dp_get_primary_link_peer_by_id(
soc,
ta_txrx_peer->peer_id,
DP_MOD_ID_RX);
} else {
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)
{
dp_wds_ext_peer_learn_be(soc, ta_txrx_peer, rx_tlv_hdr, nbuf);
}
#endif
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_ring_desc_t last_prefetched_hw_desc;
hal_soc_handle_t hal_soc;
struct dp_rx_desc *rx_desc = NULL;
struct dp_rx_desc *last_prefetched_sw_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 = 0;
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;
enum hal_reo_error_status error;
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;
uint8_t enh_flag;
struct dp_srng *dp_rxdma_srng;
struct rx_desc_pool *rx_desc_pool;
struct dp_soc *soc = int_ctx->soc;
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;
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;
uint64_t current_time = 0;
uint32_t old_tid;
uint32_t peer_ext_stats;
uint32_t dsf;
uint32_t l3_pad;
uint8_t link_id = 0;
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(head, sizeof(head));
qdf_mem_zero(tail, sizeof(tail));
old_tid = 0xff;
dsf = 0;
peer_ext_stats = 0;
rx_pdev = NULL;
tid_stats = NULL;
dp_pkt_get_timestamp(&current_time);
ring_near_full = _dp_srng_test_and_update_nf_params(soc, rx_ring,
&max_reap_limit);
peer_ext_stats = wlan_cfg_is_peer_ext_stats_enabled(soc->wlan_cfg_ctx);
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;
}
hal_srng_update_ring_usage_wm_no_lock(soc->hal_soc, hal_ring_hdl);
if (!num_pending)
num_pending = hal_srng_dst_num_valid(hal_soc, hal_ring_hdl, 0);
if (num_pending > quota)
num_pending = quota;
dp_srng_dst_inv_cached_descs(soc, hal_ring_hdl, num_pending);
last_prefetched_hw_desc = dp_srng_dst_prefetch_32_byte_desc(hal_soc,
hal_ring_hdl,
num_pending);
/*
* 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(num_pending)) {
ring_desc = dp_srng_dst_get_next(soc, hal_ring_hdl);
if (qdf_unlikely(!ring_desc))
break;
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);
}
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);
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;
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);
}
pkt_capture_offload =
dp_rx_copy_desc_info_in_nbuf_cb(soc, ring_desc,
rx_desc->nbuf,
reo_ring_num);
if (qdf_unlikely(qdf_nbuf_is_rx_chfrag_cont(rx_desc->nbuf))) {
/* In dp_rx_sg_create() until the last buffer,
* end bit should not be set. As continuation bit set,
* this is not a last buffer.
*/
qdf_nbuf_set_rx_chfrag_end(rx_desc->nbuf, 0);
/* 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 ((QDF_NBUF_CB_RX_PKT_LEN(rx_desc->nbuf) /
(RX_DATA_BUFFER_SIZE -
soc->rx_pkt_tlv_size) + 1) >
num_pending) {
DP_STATS_INC(soc,
rx.msdu_scatter_wait_break,
1);
dp_rx_cookie_reset_invalid_bit(
ring_desc);
/* As we are going to break out of the
* loop because of unavailability of
* descs to form complete SG, we need to
* reset the TP in the REO destination
* ring.
*/
hal_srng_dst_dec_tp(hal_soc,
hal_ring_hdl);
break;
}
is_prev_msdu_last = false;
}
}
if (!is_prev_msdu_last &&
!(qdf_nbuf_is_rx_chfrag_cont(rx_desc->nbuf)))
is_prev_msdu_last = true;
rx_bufs_reaped[rx_desc->chip_id][rx_desc->pool_id]++;
/*
* move unmap after scattered msdu waiting break logic
* in case double skb unmap happened.
*/
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);
quota -= 1;
num_pending -= 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++;
dp_rx_prefetch_hw_sw_nbuf_32_byte_desc(soc, hal_soc,
num_pending,
hal_ring_hdl,
&last_prefetched_hw_desc,
&last_prefetched_sw_desc);
/*
* 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);
qdf_dsb();
dp_rx_per_core_stats_update(soc, reo_ring_num, num_rx_bufs_reaped);
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_replenish_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_simple(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 = dp_rx_get_peer_id_be(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 */
tid = qdf_nbuf_get_tid_val(nbuf);
if (qdf_unlikely(tid >= CDP_MAX_DATA_TIDS)) {
DP_STATS_INC(soc, rx.err.rx_invalid_tid_err, 1);
dp_rx_nbuf_free(nbuf);
nbuf = next;
continue;
}
if (qdf_unlikely(!txrx_peer)) {
txrx_peer = dp_rx_get_txrx_peer_and_vdev(soc, nbuf,
peer_id,
&txrx_ref_handle,
pkt_capture_offload,
&vdev,
&rx_pdev, &dsf,
&old_tid);
if (qdf_unlikely(!txrx_peer) || qdf_unlikely(!vdev)) {
nbuf = next;
continue;
}
enh_flag = rx_pdev->enhanced_stats_en;
} 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_rx_get_txrx_peer_and_vdev(soc, nbuf,
peer_id,
&txrx_ref_handle,
pkt_capture_offload,
&vdev,
&rx_pdev, &dsf,
&old_tid);
if (qdf_unlikely(!txrx_peer) || qdf_unlikely(!vdev)) {
nbuf = next;
continue;
}
enh_flag = rx_pdev->enhanced_stats_en;
}
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++;
/* MLD Link Peer Statistics support */
if (txrx_peer->is_mld_peer && rx_pdev->link_peer_stats) {
link_id = dp_rx_get_stats_arr_idx_from_link_id(
nbuf,
txrx_peer);
} else {
link_id = 0;
}
/* 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);
DP_RX_TID_SAVE(nbuf, tid);
if (qdf_unlikely(dsf) || qdf_unlikely(peer_ext_stats) ||
dp_rx_pkt_tracepoints_enabled())
qdf_nbuf_set_timestamp(nbuf);
if (qdf_likely(old_tid != tid)) {
tid_stats =
&rx_pdev->stats.tid_stats.tid_rx_stats[reo_ring_num][tid];
old_tid = 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.
*/
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,
link_id);
} else {
DP_STATS_INC(soc, rx.err.scatter_msdu, 1);
if (!dp_rx_is_sg_supported()) {
dp_rx_nbuf_free(nbuf);
dp_info_rl("sg msdu len %d, dropped",
msdu_len);
nbuf = next;
continue;
}
}
} else {
l3_pad = hal_rx_get_l3_pad_bytes_be(nbuf, rx_tlv_hdr);
msdu_len = QDF_NBUF_CB_RX_PKT_LEN(nbuf);
pkt_len = msdu_len + l3_pad + soc->rx_pkt_tlv_size;
qdf_nbuf_set_pktlen(nbuf, pkt_len);
dp_rx_skip_tlvs(soc, nbuf, l3_pad);
}
dp_rx_send_pktlog(soc, rx_pdev, nbuf, QDF_TX_RX_STATUS_OK);
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, link_id);
tid_stats->fail_cnt[POLICY_CHECK_DROP]++;
/* Drop & free packet */
dp_rx_nbuf_free(nbuf);
/* Statistics */
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, link_id);
dp_rx_nbuf_free(nbuf);
nbuf = next;
continue;
}
}
dp_rx_cksum_offload(vdev->pdev, nbuf, rx_tlv_hdr);
dp_rx_update_flow_info(nbuf, rx_tlv_hdr);
if (qdf_unlikely(!rx_pdev->rx_fast_flag)) {
/*
* 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, link_id);
dp_rx_nbuf_free(nbuf);
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, link_id);
dp_rx_nbuf_free(nbuf);
nbuf = next;
continue;
}
/* 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);
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);
}
dp_rx_msdu_stats_update(soc, nbuf, rx_tlv_hdr, txrx_peer,
reo_ring_num, tid_stats, link_id);
if (qdf_likely(vdev->rx_decap_type ==
htt_cmn_pkt_type_ethernet) &&
qdf_likely(!vdev->mesh_vdev)) {
/* Intrabss-fwd */
if (dp_rx_check_ap_bridge(vdev))
if (dp_rx_intrabss_fwd_be(soc, txrx_peer,
rx_tlv_hdr,
nbuf,
link_id)) {
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_pkt_add_timestamp(txrx_peer->vdev, QDF_PKT_RX_DRIVER_ENTRY,
current_time, 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),
link_id);
tid_stats->delivered_to_stack++;
nbuf = next;
}
DP_RX_DELIVER_TO_STACK(soc, vdev, txrx_peer, peer_id,
pkt_capture_offload,
deliver_list_head,
deliver_list_tail);
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 == QDF_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 == QDF_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)
{
qdf_ether_header_t *eh =
(qdf_ether_header_t *)qdf_nbuf_data(nbuf);
eh->ether_shost[DP_MAC_LOCAL_ADMBIT_OFFSET] =
eh->ether_shost[DP_MAC_LOCAL_ADMBIT_OFFSET] |
DP_MAC_LOCAL_ADMBIT_MASK;
}
#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
#ifdef EXT_HYBRID_MLO_MODE
static inline
bool dp_rx_check_ext_hybrid_mode(struct dp_soc *soc, struct dp_vdev *vdev)
{
return ((DP_MLD_MODE_HYBRID_NONBOND == soc->mld_mode_ap) &&
(wlan_op_mode_ap == vdev->opmode));
}
#else
static inline
bool dp_rx_check_ext_hybrid_mode(struct dp_soc *soc, struct dp_vdev *vdev)
{
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,
uint8_t link_id)
{
qdf_nbuf_t nbuf_copy;
struct dp_vdev_be *be_vdev = dp_get_be_vdev_from_dp_vdev(vdev);
uint8_t tid = qdf_nbuf_get_tid_val(nbuf);
struct cdp_tid_rx_stats *tid_stats = &peer->vdev->pdev->stats.
tid_stats.tid_rx_wbm_stats[0][tid];
if (!(qdf_nbuf_is_ipv4_igmp_pkt(nbuf) ||
qdf_nbuf_is_ipv6_igmp_pkt(nbuf)))
return false;
if (qdf_unlikely(vdev->multipass_en)) {
if (dp_rx_multipass_process(peer, nbuf, tid) == false) {
DP_PEER_PER_PKT_STATS_INC(peer,
rx.multipass_rx_pkt_drop,
1, link_id);
return false;
}
}
if (!peer->bss_peer) {
if (dp_rx_intrabss_mcbc_fwd(soc, peer, NULL, nbuf,
tid_stats, link_id))
dp_rx_err("forwarding failed");
}
qdf_nbuf_set_next(nbuf, NULL);
/* REO sends IGMP to driver only if AP is operating in hybrid
* mld mode.
*/
if (qdf_unlikely(dp_rx_mlo_igmp_wds_ext_handler(peer))) {
/* send the IGMP to the netdev corresponding to the interface
* its received on
*/
goto send_pkt;
}
if (dp_rx_check_ext_hybrid_mode(soc, vdev)) {
/* send the IGMP to the netdev corresponding to the interface
* its received on
*/
goto send_pkt;
}
/*
* In the case of ME5/ME6, Backhaul WDS for a mld peer, NAWDS,
* legacy non-mlo AP vdev & non-AP vdev(which is very unlikely),
* send the igmp pkt on the same link where it received, as these
* features will use peer based tcl metadata.
*/
if (vdev->mcast_enhancement_en ||
peer->is_mld_peer ||
peer->nawds_enabled ||
!vdev->mlo_vdev ||
qdf_unlikely(wlan_op_mode_ap != vdev->opmode)) {
/* send the IGMP to the netdev corresponding to the interface
* its received on
*/
goto send_pkt;
}
/* We are here, it means a legacy non-wds sta is connected
* to a hybrid mld ap, So send a clone of the IGPMP packet
* on the interface where it was received.
*/
nbuf_copy = qdf_nbuf_copy(nbuf);
if (qdf_likely(nbuf_copy))
dp_rx_deliver_to_stack(soc, vdev, peer, nbuf_copy, NULL);
dp_rx_dummy_src_mac(vdev, nbuf);
/* Set the ml peer valid bit in skb peer metadata, so that osif
* can deliver the SA mangled IGMP packet to mld netdev.
*/
QDF_NBUF_CB_RX_PEER_ID(nbuf) |= CDP_RX_ML_PEER_VALID_MASK;
/* Deliver the original IGMP with dummy src on the mld netdev */
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,
uint8_t link_id)
{
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)
{
/* 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
* @nbuf: RX packet buffer
* @ta_peer: transmitter DP peer handle
* @rx_tlv_hdr: Rx TLV header
* @msdu_metadata: MSDU meta data info
* @params: params to be filled in
*
* 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,
uint8_t *rx_tlv_hdr,
struct hal_rx_msdu_metadata *msdu_metadata,
struct dp_be_intrabss_params *params)
{
uint8_t dest_chip_id, dest_chip_pmac_id;
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);
uint16_t da_peer_id;
struct dp_peer *da_peer = NULL;
if (!qdf_nbuf_is_intra_bss(nbuf))
return false;
hal_rx_tlv_get_dest_chip_pmac_id(rx_tlv_hdr,
&dest_chip_id,
&dest_chip_pmac_id);
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 = HAL_RX_PEER_ID_GET(msdu_metadata);
da_peer = dp_peer_get_tgt_peer_by_id(params->dest_soc, da_peer_id,
DP_MOD_ID_RX);
if (da_peer) {
if (da_peer->bss_peer || (da_peer->txrx_peer == ta_peer)) {
dp_peer_unref_delete(da_peer, DP_MOD_ID_RX);
return false;
}
dp_peer_unref_delete(da_peer, DP_MOD_ID_RX);
}
qdf_assert_always(dest_chip_id <= (DP_MLO_MAX_DEST_CHIP_ID - 1));
if (dest_chip_id == be_soc->mlo_chip_id) {
if (dest_chip_pmac_id == ta_peer->vdev->pdev->pdev_id)
params->tx_vdev_id = ta_peer->vdev->vdev_id;
else
params->tx_vdev_id =
be_vdev->partner_vdev_list[dest_chip_id]
[dest_chip_pmac_id];
return true;
}
params->tx_vdev_id =
be_vdev->partner_vdev_list[dest_chip_id][dest_chip_pmac_id];
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,
uint8_t *rx_tlv_hdr,
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,
uint8_t *rx_tlv_hdr,
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 */
#if defined(WLAN_PKT_CAPTURE_RX_2_0) || defined(CONFIG_WORD_BASED_TLV)
void dp_rx_word_mask_subscribe_be(struct dp_soc *soc,
uint32_t *msg_word,
void *rx_filter)
{
struct htt_rx_ring_tlv_filter *tlv_filter =
(struct htt_rx_ring_tlv_filter *)rx_filter;
if (!msg_word || !tlv_filter)
return;
/* tlv_filter->enable is set to 1 for monitor rings */
if (tlv_filter->enable)
return;
/* if word mask is zero, FW will set the default values */
if (!(tlv_filter->rx_mpdu_start_wmask > 0 &&
tlv_filter->rx_msdu_end_wmask > 0)) {
return;
}
HTT_RX_RING_SELECTION_CFG_WORD_MASK_COMPACTION_ENABLE_SET(*msg_word, 1);
/* word 14 */
msg_word += 3;
*msg_word = 0;
HTT_RX_RING_SELECTION_CFG_RX_MPDU_START_WORD_MASK_SET(
*msg_word,
tlv_filter->rx_mpdu_start_wmask);
/* word 15 */
msg_word++;
*msg_word = 0;
HTT_RX_RING_SELECTION_CFG_RX_MSDU_END_WORD_MASK_SET(
*msg_word,
tlv_filter->rx_msdu_end_wmask);
}
#else
void dp_rx_word_mask_subscribe_be(struct dp_soc *soc,
uint32_t *msg_word,
void *rx_filter)
{
}
#endif
#if defined(WLAN_MCAST_MLO) && defined(CONFIG_MLO_SINGLE_DEV)
static inline
bool dp_rx_intrabss_mlo_mcbc_fwd(struct dp_soc *soc, struct dp_vdev *vdev,
qdf_nbuf_t nbuf_copy)
{
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);
struct cdp_tx_exception_metadata tx_exc_metadata = {0};
tx_exc_metadata.is_mlo_mcast = 1;
tx_exc_metadata.tx_encap_type = CDP_INVALID_TX_ENCAP_TYPE;
tx_exc_metadata.sec_type = CDP_INVALID_SEC_TYPE;
tx_exc_metadata.peer_id = CDP_INVALID_PEER;
tx_exc_metadata.tid = CDP_INVALID_TID;
mcast_primary_vdev = dp_mlo_get_mcast_primary_vdev(be_soc,
be_vdev,
DP_MOD_ID_RX);
if (!mcast_primary_vdev)
return false;
nbuf_copy = dp_tx_send_exception((struct cdp_soc_t *)
mcast_primary_vdev->pdev->soc,
mcast_primary_vdev->vdev_id,
nbuf_copy, &tx_exc_metadata);
if (nbuf_copy)
qdf_nbuf_free(nbuf_copy);
dp_vdev_unref_delete(mcast_primary_vdev->pdev->soc,
mcast_primary_vdev, DP_MOD_ID_RX);
return true;
}
#else
static inline
bool dp_rx_intrabss_mlo_mcbc_fwd(struct dp_soc *soc, struct dp_vdev *vdev,
qdf_nbuf_t nbuf_copy)
{
return false;
}
#endif
bool
dp_rx_intrabss_mcast_handler_be(struct dp_soc *soc,
struct dp_txrx_peer *ta_txrx_peer,
qdf_nbuf_t nbuf_copy,
struct cdp_tid_rx_stats *tid_stats,
uint8_t link_id)
{
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, link_id);
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, link_id);
tid_stats->intrabss_cnt++;
}
return true;
}
if (dp_rx_intrabss_mlo_mcbc_fwd(soc, ta_txrx_peer->vdev,
nbuf_copy))
return true;
return 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,
uint8_t link_id)
{
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;
struct hal_rx_msdu_metadata msdu_metadata;
/* 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, link_id);
}
if (dp_rx_intrabss_eapol_drop_check(soc, ta_peer, rx_tlv_hdr,
nbuf))
return true;
hal_rx_msdu_packet_metadata_get_generic_be(rx_tlv_hdr, &msdu_metadata);
params.dest_soc = soc;
if (dp_rx_intrabss_ucast_check_be(nbuf, ta_peer, rx_tlv_hdr,
&msdu_metadata, &params)) {
ret = dp_rx_intrabss_ucast_fwd(params.dest_soc, ta_peer,
params.tx_vdev_id,
rx_tlv_hdr, nbuf, tid_stats,
link_id);
}
return ret;
}
#endif
bool dp_rx_chain_msdus_be(struct dp_soc *soc, qdf_nbuf_t nbuf,
uint8_t *rx_tlv_hdr, uint8_t mac_id)
{
bool mpdu_done = false;
qdf_nbuf_t curr_nbuf = NULL;
qdf_nbuf_t tmp_nbuf = NULL;
struct dp_pdev *dp_pdev = dp_get_pdev_for_lmac_id(soc, mac_id);
if (!dp_pdev) {
dp_rx_debug("%pK: pdev is null for mac_id = %d", soc, mac_id);
return mpdu_done;
}
/* if invalid peer SG list has max values free the buffers in list
* and treat current buffer as start of list
*
* current logic to detect the last buffer from attn_tlv is not reliable
* in OFDMA UL scenario hence add max buffers check to avoid list pile
* up
*/
if (!dp_pdev->first_nbuf ||
(dp_pdev->invalid_peer_head_msdu &&
QDF_NBUF_CB_RX_NUM_ELEMENTS_IN_LIST
(dp_pdev->invalid_peer_head_msdu) >= DP_MAX_INVALID_BUFFERS)) {
qdf_nbuf_set_rx_chfrag_start(nbuf, 1);
dp_pdev->first_nbuf = true;
/* If the new nbuf received is the first msdu of the
* amsdu and there are msdus in the invalid peer msdu
* list, then let us free all the msdus of the invalid
* peer msdu list.
* This scenario can happen when we start receiving
* new a-msdu even before the previous a-msdu is completely
* received.
*/
curr_nbuf = dp_pdev->invalid_peer_head_msdu;
while (curr_nbuf) {
tmp_nbuf = curr_nbuf->next;
dp_rx_nbuf_free(curr_nbuf);
curr_nbuf = tmp_nbuf;
}
dp_pdev->invalid_peer_head_msdu = NULL;
dp_pdev->invalid_peer_tail_msdu = NULL;
dp_monitor_get_mpdu_status(dp_pdev, soc, rx_tlv_hdr);
}
if (qdf_nbuf_is_rx_chfrag_end(nbuf) &&
hal_rx_attn_msdu_done_get(soc->hal_soc, rx_tlv_hdr)) {
qdf_assert_always(dp_pdev->first_nbuf);
dp_pdev->first_nbuf = false;
mpdu_done = true;
}
/*
* For MCL, invalid_peer_head_msdu and invalid_peer_tail_msdu
* should be NULL here, add the checking for debugging purpose
* in case some corner case.
*/
DP_PDEV_INVALID_PEER_MSDU_CHECK(dp_pdev->invalid_peer_head_msdu,
dp_pdev->invalid_peer_tail_msdu);
DP_RX_LIST_APPEND(dp_pdev->invalid_peer_head_msdu,
dp_pdev->invalid_peer_tail_msdu,
nbuf);
return mpdu_done;
}
qdf_nbuf_t
dp_rx_wbm_err_reap_desc_be(struct dp_intr *int_ctx, struct dp_soc *soc,
hal_ring_handle_t hal_ring_hdl, uint32_t quota,
uint32_t *rx_bufs_used)
{
hal_ring_desc_t ring_desc;
hal_soc_handle_t hal_soc;
struct dp_rx_desc *rx_desc;
union dp_rx_desc_list_elem_t
*head[WLAN_MAX_MLO_CHIPS][MAX_PDEV_CNT] = { { NULL } };
union dp_rx_desc_list_elem_t
*tail[WLAN_MAX_MLO_CHIPS][MAX_PDEV_CNT] = { { NULL } };
uint32_t rx_bufs_reaped[WLAN_MAX_MLO_CHIPS][MAX_PDEV_CNT] = { { 0 } };
uint8_t mac_id;
struct dp_srng *dp_rxdma_srng;
struct rx_desc_pool *rx_desc_pool;
qdf_nbuf_t nbuf_head = NULL;
qdf_nbuf_t nbuf_tail = NULL;
qdf_nbuf_t nbuf;
uint8_t msdu_continuation = 0;
bool process_sg_buf = false;
QDF_STATUS status;
struct dp_soc *replenish_soc;
uint8_t chip_id;
union hal_wbm_err_info_u wbm_err = { 0 };
qdf_assert(soc && hal_ring_hdl);
hal_soc = soc->hal_soc;
qdf_assert(hal_soc);
if (qdf_unlikely(dp_srng_access_start(int_ctx, soc, hal_ring_hdl))) {
/* TODO */
/*
* Need API to convert from hal_ring pointer to
* Ring Type / Ring Id combo
*/
dp_rx_err_err("%pK: HAL RING Access Failed -- %pK",
soc, hal_ring_hdl);
goto done;
}
while (qdf_likely(quota)) {
ring_desc = hal_srng_dst_get_next(hal_soc, hal_ring_hdl);
if (qdf_unlikely(!ring_desc))
break;
/* Get SW Desc from HAL desc */
if (dp_wbm_get_rx_desc_from_hal_desc_be(soc,
ring_desc,
&rx_desc)) {
dp_rx_err_err("get rx sw desc from hal_desc failed");
continue;
}
qdf_assert_always(rx_desc);
if (!dp_rx_desc_check_magic(rx_desc)) {
dp_rx_err_err("%pK: Invalid rx_desc %pK",
soc, rx_desc);
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_wbm_rel_dup, 1);
dp_rx_dump_info_and_assert(soc, hal_ring_hdl,
ring_desc, rx_desc);
continue;
}
status = dp_rx_wbm_desc_nbuf_sanity_check(soc, hal_ring_hdl,
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("Rx error Nbuf %pK sanity check failure!",
rx_desc->nbuf);
rx_desc->in_err_state = 1;
rx_desc->unmapped = 1;
rx_bufs_reaped[rx_desc->chip_id][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);
continue;
}
nbuf = rx_desc->nbuf;
/*
* Read wbm err info , MSDU info , MPDU info , peer meta data,
* from desc. Save all the info in nbuf CB/TLV.
* We will need this info when we do the actual nbuf processing
*/
wbm_err.info = dp_rx_wbm_err_copy_desc_info_in_nbuf(
soc,
ring_desc,
nbuf,
rx_desc->pool_id);
/*
* For WBM ring, expect only MSDU buffers
*/
qdf_assert_always(wbm_err.info_bit.buffer_or_desc_type ==
HAL_RX_WBM_BUF_TYPE_REL_BUF);
/*
* Errors are handled only if the source is RXDMA or REO
*/
qdf_assert((wbm_err.info_bit.wbm_err_src ==
HAL_RX_WBM_ERR_SRC_RXDMA) ||
(wbm_err.info_bit.wbm_err_src ==
HAL_RX_WBM_ERR_SRC_REO));
rx_desc_pool = &soc->rx_desc_buf[rx_desc->pool_id];
dp_ipa_rx_buf_smmu_mapping_lock(soc);
dp_rx_nbuf_unmap_pool(soc, rx_desc_pool, nbuf);
rx_desc->unmapped = 1;
dp_ipa_rx_buf_smmu_mapping_unlock(soc);
if (qdf_unlikely(
soc->wbm_release_desc_rx_sg_support &&
dp_rx_is_sg_formation_required(&wbm_err.info_bit))) {
/* SG is detected from continuation bit */
msdu_continuation =
dp_rx_wbm_err_msdu_continuation_get(soc,
ring_desc,
nbuf);
if (msdu_continuation &&
!(soc->wbm_sg_param.wbm_is_first_msdu_in_sg)) {
/* Update length from first buffer in SG */
soc->wbm_sg_param.wbm_sg_desc_msdu_len =
hal_rx_msdu_start_msdu_len_get(
soc->hal_soc,
qdf_nbuf_data(nbuf));
soc->wbm_sg_param.wbm_is_first_msdu_in_sg =
true;
}
if (msdu_continuation) {
/* MSDU continued packets */
qdf_nbuf_set_rx_chfrag_cont(nbuf, 1);
QDF_NBUF_CB_RX_PKT_LEN(nbuf) =
soc->wbm_sg_param.wbm_sg_desc_msdu_len;
} else {
/* This is the terminal packet in SG */
qdf_nbuf_set_rx_chfrag_start(nbuf, 1);
qdf_nbuf_set_rx_chfrag_end(nbuf, 1);
QDF_NBUF_CB_RX_PKT_LEN(nbuf) =
soc->wbm_sg_param.wbm_sg_desc_msdu_len;
process_sg_buf = true;
}
} else {
qdf_nbuf_set_rx_chfrag_cont(nbuf, 0);
}
rx_bufs_reaped[rx_desc->chip_id][rx_desc->pool_id]++;
if (qdf_nbuf_is_rx_chfrag_cont(nbuf) || process_sg_buf) {
DP_RX_LIST_APPEND(soc->wbm_sg_param.wbm_sg_nbuf_head,
soc->wbm_sg_param.wbm_sg_nbuf_tail,
nbuf);
if (process_sg_buf) {
if (!dp_rx_buffer_pool_refill(
soc,
soc->wbm_sg_param.wbm_sg_nbuf_head,
rx_desc->pool_id))
DP_RX_MERGE_TWO_LIST(
nbuf_head, nbuf_tail,
soc->wbm_sg_param.wbm_sg_nbuf_head,
soc->wbm_sg_param.wbm_sg_nbuf_tail);
dp_rx_wbm_sg_list_last_msdu_war(soc);
dp_rx_wbm_sg_list_reset(soc);
process_sg_buf = false;
}
} else if (!dp_rx_buffer_pool_refill(soc, nbuf,
rx_desc->pool_id)) {
DP_RX_LIST_APPEND(nbuf_head, nbuf_tail, nbuf);
}
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);
/*
* 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(!msdu_continuation))
quota -= 1;
}
done:
dp_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_replenish_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_simple(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]);
*rx_bufs_used += rx_bufs_reaped[chip_id][mac_id];
}
}
return nbuf_head;
}
#ifdef WLAN_FEATURE_11BE_MLO
/**
* check_extap_multicast_loopback() - Check if rx packet is a loopback packet.
*
* @vdev: vdev on which rx packet is received
* @addr: src address of the received packet
*
*/
static bool check_extap_multicast_loopback(struct dp_vdev *vdev, uint8_t *addr)
{
/* if src mac addr matches with vdev mac address then drop the pkt */
if (!(qdf_mem_cmp(addr, vdev->mac_addr.raw, QDF_MAC_ADDR_SIZE)))
return true;
/* if src mac addr matches with mld mac address then drop the pkt */
if (!(qdf_mem_cmp(addr, vdev->mld_mac_addr.raw, QDF_MAC_ADDR_SIZE)))
return true;
return false;
}
#else
static bool check_extap_multicast_loopback(struct dp_vdev *vdev, uint8_t *addr)
{
return false;
}
#endif
QDF_STATUS
dp_rx_null_q_desc_handle_be(struct dp_soc *soc, qdf_nbuf_t nbuf,
uint8_t *rx_tlv_hdr, uint8_t pool_id,
struct dp_txrx_peer *txrx_peer,
bool is_reo_exception,
uint8_t link_id)
{
uint32_t pkt_len;
uint16_t msdu_len;
struct dp_vdev *vdev;
uint8_t tid;
qdf_ether_header_t *eh;
struct hal_rx_msdu_metadata msdu_metadata;
uint16_t sa_idx = 0;
bool is_eapol = 0;
bool enh_flag;
qdf_nbuf_set_rx_chfrag_start(
nbuf,
hal_rx_msdu_end_first_msdu_get(soc->hal_soc,
rx_tlv_hdr));
qdf_nbuf_set_rx_chfrag_end(nbuf,
hal_rx_msdu_end_last_msdu_get(soc->hal_soc,
rx_tlv_hdr));
qdf_nbuf_set_da_mcbc(nbuf, hal_rx_msdu_end_da_is_mcbc_get(soc->hal_soc,
rx_tlv_hdr));
qdf_nbuf_set_da_valid(nbuf,
hal_rx_msdu_end_da_is_valid_get(soc->hal_soc,
rx_tlv_hdr));
qdf_nbuf_set_sa_valid(nbuf,
hal_rx_msdu_end_sa_is_valid_get(soc->hal_soc,
rx_tlv_hdr));
tid = hal_rx_tid_get(soc->hal_soc, rx_tlv_hdr);
hal_rx_msdu_metadata_get(soc->hal_soc, rx_tlv_hdr, &msdu_metadata);
msdu_len = hal_rx_msdu_start_msdu_len_get(soc->hal_soc, rx_tlv_hdr);
pkt_len = msdu_len + msdu_metadata.l3_hdr_pad + soc->rx_pkt_tlv_size;
if (qdf_likely(!qdf_nbuf_is_frag(nbuf))) {
if (dp_rx_check_pkt_len(soc, pkt_len))
goto drop_nbuf;
/* Set length in nbuf */
qdf_nbuf_set_pktlen(
nbuf, qdf_min(pkt_len, (uint32_t)RX_DATA_BUFFER_SIZE));
qdf_assert_always(nbuf->data == rx_tlv_hdr);
}
/*
* Check if DMA completed -- msdu_done is the last bit
* to be written
*/
if (!hal_rx_attn_msdu_done_get(soc->hal_soc, rx_tlv_hdr)) {
dp_err_rl("MSDU DONE failure");
hal_rx_dump_pkt_tlvs(soc->hal_soc, rx_tlv_hdr,
QDF_TRACE_LEVEL_INFO);
qdf_assert(0);
}
if (!txrx_peer &&
dp_rx_null_q_handle_invalid_peer_id_exception(soc, pool_id,
rx_tlv_hdr, nbuf))
return QDF_STATUS_E_FAILURE;
if (!txrx_peer) {
bool mpdu_done = false;
struct dp_pdev *pdev = dp_get_pdev_for_lmac_id(soc, pool_id);
if (!pdev) {
dp_err_rl("pdev is null for pool_id = %d", pool_id);
return QDF_STATUS_E_FAILURE;
}
dp_err_rl("txrx_peer is NULL");
DP_STATS_INC_PKT(soc, rx.err.rx_invalid_peer, 1,
qdf_nbuf_len(nbuf));
/* QCN9000 has the support enabled */
if (qdf_unlikely(soc->wbm_release_desc_rx_sg_support)) {
mpdu_done = true;
nbuf->next = NULL;
/* Trigger invalid peer handler wrapper */
dp_rx_process_invalid_peer_wrapper(soc,
nbuf,
mpdu_done,
pool_id);
} else {
mpdu_done = soc->arch_ops.dp_rx_chain_msdus(soc, nbuf,
rx_tlv_hdr,
pool_id);
/* Trigger invalid peer handler wrapper */
dp_rx_process_invalid_peer_wrapper(
soc,
pdev->invalid_peer_head_msdu,
mpdu_done, pool_id);
}
if (mpdu_done) {
pdev->invalid_peer_head_msdu = NULL;
pdev->invalid_peer_tail_msdu = NULL;
}
return QDF_STATUS_E_FAILURE;
}
vdev = txrx_peer->vdev;
if (!vdev) {
dp_err_rl("Null vdev!");
DP_STATS_INC(soc, rx.err.invalid_vdev, 1);
goto drop_nbuf;
}
/*
* Advance the packet start pointer by total size of
* pre-header TLV's
*/
if (qdf_nbuf_is_frag(nbuf))
qdf_nbuf_pull_head(nbuf, soc->rx_pkt_tlv_size);
else
qdf_nbuf_pull_head(nbuf, (msdu_metadata.l3_hdr_pad +
soc->rx_pkt_tlv_size));
DP_STATS_INC_PKT(vdev, rx_i.null_q_desc_pkt, 1, qdf_nbuf_len(nbuf));
dp_vdev_peer_stats_update_protocol_cnt(vdev, nbuf, NULL, 0, 1);
if (dp_rx_err_drop_3addr_mcast(vdev, rx_tlv_hdr)) {
DP_PEER_PER_PKT_STATS_INC(txrx_peer, rx.mcast_3addr_drop, 1,
link_id);
goto drop_nbuf;
}
if (hal_rx_msdu_end_sa_is_valid_get(soc->hal_soc, rx_tlv_hdr)) {
sa_idx = hal_rx_msdu_end_sa_idx_get(soc->hal_soc, rx_tlv_hdr);
if ((sa_idx < 0) ||
(sa_idx >= wlan_cfg_get_max_ast_idx(soc->wlan_cfg_ctx))) {
DP_STATS_INC(soc, rx.err.invalid_sa_da_idx, 1);
goto drop_nbuf;
}
}
if ((!soc->mec_fw_offload) &&
dp_rx_mcast_echo_check(soc, txrx_peer, rx_tlv_hdr, nbuf)) {
/* this is a looped back MCBC pkt, drop it */
DP_PEER_PER_PKT_STATS_INC_PKT(txrx_peer, rx.mec_drop, 1,
qdf_nbuf_len(nbuf), link_id);
goto drop_nbuf;
}
/*
* In qwrap mode if the received packet matches with any of the vdev
* mac addresses, drop it. Donot receive multicast packets originated
* from any proxysta.
*/
if (check_qwrap_multicast_loopback(vdev, nbuf)) {
DP_PEER_PER_PKT_STATS_INC_PKT(txrx_peer, rx.mec_drop, 1,
qdf_nbuf_len(nbuf), link_id);
goto drop_nbuf;
}
if (qdf_unlikely(txrx_peer->nawds_enabled &&
hal_rx_msdu_end_da_is_mcbc_get(soc->hal_soc,
rx_tlv_hdr))) {
dp_err_rl("free buffer for multicast packet");
DP_PEER_PER_PKT_STATS_INC(txrx_peer, rx.nawds_mcast_drop, 1,
link_id);
goto drop_nbuf;
}
if (!dp_wds_rx_policy_check(rx_tlv_hdr, vdev, txrx_peer)) {
dp_err_rl("mcast Policy Check Drop pkt");
DP_PEER_PER_PKT_STATS_INC(txrx_peer, rx.policy_check_drop, 1,
link_id);
goto drop_nbuf;
}
/* WDS Source Port Learning */
if (!soc->ast_offload_support &&
qdf_likely(vdev->rx_decap_type == htt_cmn_pkt_type_ethernet &&
vdev->wds_enabled))
dp_rx_wds_srcport_learn(soc, rx_tlv_hdr, txrx_peer, nbuf,
msdu_metadata);
if (hal_rx_is_unicast(soc->hal_soc, rx_tlv_hdr)) {
struct dp_peer *peer;
struct dp_rx_tid *rx_tid;
peer = dp_peer_get_ref_by_id(soc, txrx_peer->peer_id,
DP_MOD_ID_RX_ERR);
if (peer) {
rx_tid = &peer->rx_tid[tid];
qdf_spin_lock_bh(&rx_tid->tid_lock);
if (!peer->rx_tid[tid].hw_qdesc_vaddr_unaligned)
dp_rx_tid_setup_wifi3(peer, tid, 1,
IEEE80211_SEQ_MAX);
qdf_spin_unlock_bh(&rx_tid->tid_lock);
/* IEEE80211_SEQ_MAX indicates invalid start_seq */
dp_peer_unref_delete(peer, DP_MOD_ID_RX_ERR);
}
}
eh = (qdf_ether_header_t *)qdf_nbuf_data(nbuf);
if (!txrx_peer->authorize) {
is_eapol = qdf_nbuf_is_ipv4_eapol_pkt(nbuf);
if (is_eapol || qdf_nbuf_is_ipv4_wapi_pkt(nbuf)) {
if (!dp_rx_err_match_dhost(eh, vdev))
goto drop_nbuf;
} else {
goto drop_nbuf;
}
}
/*
* Drop packets in this path if cce_match is found. Packets will come
* in following path depending on whether tidQ is setup.
* 1. If tidQ is setup: WIFILI_HAL_RX_WBM_REO_PSH_RSN_ROUTE and
* cce_match = 1
* Packets with WIFILI_HAL_RX_WBM_REO_PSH_RSN_ROUTE are already
* dropped.
* 2. If tidQ is not setup: WIFILI_HAL_RX_WBM_REO_PSH_RSN_ERROR and
* cce_match = 1
* These packets need to be dropped and should not get delivered
* to stack.
*/
if (qdf_unlikely(dp_rx_err_cce_drop(soc, vdev, nbuf, rx_tlv_hdr)))
goto drop_nbuf;
/*
* In extap mode if the received packet matches with mld mac address
* drop it. For non IP packets conversion might not be possible
* due to that MEC entry will not be updated, resulting loopback.
*/
if (qdf_unlikely(check_extap_multicast_loopback(vdev,
eh->ether_shost))) {
DP_PEER_PER_PKT_STATS_INC_PKT(txrx_peer, rx.mec_drop, 1,
qdf_nbuf_len(nbuf), link_id);
goto drop_nbuf;
}
if (qdf_unlikely(vdev->rx_decap_type == htt_cmn_pkt_type_raw)) {
qdf_nbuf_set_next(nbuf, NULL);
dp_rx_deliver_raw(vdev, nbuf, txrx_peer, link_id);
} else {
enh_flag = vdev->pdev->enhanced_stats_en;
qdf_nbuf_set_next(nbuf, NULL);
DP_PEER_TO_STACK_INCC_PKT(txrx_peer, 1, qdf_nbuf_len(nbuf),
enh_flag);
/*
* Update the protocol tag in SKB based on
* CCE metadata
*/
dp_rx_update_protocol_tag(soc, vdev, nbuf, rx_tlv_hdr,
EXCEPTION_DEST_RING_ID,
true, true);
/* Update the flow tag in SKB based on FSE metadata */
dp_rx_update_flow_tag(soc, vdev, nbuf,
rx_tlv_hdr, true);
if (qdf_unlikely(hal_rx_msdu_end_da_is_mcbc_get(
soc->hal_soc, rx_tlv_hdr) &&
(vdev->rx_decap_type ==
htt_cmn_pkt_type_ethernet))) {
DP_PEER_MC_INCC_PKT(txrx_peer, 1, qdf_nbuf_len(nbuf),
enh_flag, link_id);
if (QDF_IS_ADDR_BROADCAST(eh->ether_dhost))
DP_PEER_BC_INCC_PKT(txrx_peer, 1,
qdf_nbuf_len(nbuf),
enh_flag,
link_id);
} else {
DP_PEER_UC_INCC_PKT(txrx_peer, 1,
qdf_nbuf_len(nbuf),
enh_flag,
link_id);
}
qdf_nbuf_set_exc_frame(nbuf, 1);
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, link_id);
goto drop_nbuf;
}
}
dp_rx_deliver_to_osif_stack(soc, vdev, txrx_peer, nbuf, NULL,
is_eapol);
}
return QDF_STATUS_SUCCESS;
drop_nbuf:
dp_rx_nbuf_free(nbuf);
return QDF_STATUS_E_FAILURE;
}
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