qcacmn: Handle nawds case of intra-bss forwarding
Handle nawds case of intra-bss forwarding of multicast packets on Beryllium. Change-Id: I05ec4d937b4b97aa2c9fb325fb2b6a197968ea2a CRs-Fixed: 3103402
This commit is contained in:
Pavankumar Nandeshwar
committed by
Madan Koyyalamudi
Madan Koyyalamudi
父節點
8aa367acfa
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223693e614
@@ -2737,6 +2737,9 @@ static bool dp_check_exc_metadata(struct cdp_tx_exception_metadata *tx_exc)
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bool invalid_cookie = (tx_exc->is_tx_sniffer == 1 &&
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tx_exc->ppdu_cookie == 0);
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if (tx_exc->is_intrabss_fwd)
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return true;
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if (invalid_tid || invalid_encap_type || invalid_sec_type ||
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invalid_cookie) {
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return false;
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@@ -2828,6 +2831,77 @@ dp_tx_per_pkt_vdev_id_check(qdf_nbuf_t nbuf, struct dp_vdev *vdev)
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return QDF_STATUS_SUCCESS;
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}
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/**
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* dp_tx_nawds_handler() - NAWDS handler
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*
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* @soc: DP soc handle
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* @vdev_id: id of DP vdev handle
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* @msdu_info: msdu_info required to create HTT metadata
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* @nbuf: skb
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*
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* This API transfers the multicast frames with the peer id
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* on NAWDS enabled peer.
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* Return: none
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*/
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static inline
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void dp_tx_nawds_handler(struct dp_soc *soc, struct dp_vdev *vdev,
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struct dp_tx_msdu_info_s *msdu_info,
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qdf_nbuf_t nbuf, uint16_t sa_peer_id)
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{
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struct dp_peer *peer = NULL;
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qdf_nbuf_t nbuf_clone = NULL;
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uint16_t peer_id = DP_INVALID_PEER;
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struct dp_txrx_peer *txrx_peer;
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qdf_spin_lock_bh(&vdev->peer_list_lock);
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TAILQ_FOREACH(peer, &vdev->peer_list, peer_list_elem) {
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txrx_peer = dp_get_txrx_peer(peer);
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if (!txrx_peer)
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continue;
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if (!txrx_peer->bss_peer && txrx_peer->nawds_enabled) {
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peer_id = peer->peer_id;
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/* Multicast packets needs to be
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* dropped in case of intra bss forwarding
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*/
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if (sa_peer_id == peer->peer_id) {
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dp_tx_debug("multicast packet");
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DP_PEER_PER_PKT_STATS_INC(txrx_peer,
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tx.nawds_mcast_drop,
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1);
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continue;
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}
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nbuf_clone = qdf_nbuf_clone(nbuf);
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if (!nbuf_clone) {
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QDF_TRACE(QDF_MODULE_ID_DP,
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QDF_TRACE_LEVEL_ERROR,
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FL("nbuf clone failed"));
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break;
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}
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nbuf_clone = dp_tx_send_msdu_single(vdev, nbuf_clone,
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msdu_info, peer_id,
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NULL);
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if (nbuf_clone) {
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dp_tx_debug("pkt send failed");
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qdf_nbuf_free(nbuf_clone);
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} else {
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if (peer_id != DP_INVALID_PEER)
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DP_PEER_PER_PKT_STATS_INC_PKT(txrx_peer,
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tx.nawds_mcast,
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1, qdf_nbuf_len(nbuf));
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}
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}
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}
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qdf_spin_unlock_bh(&vdev->peer_list_lock);
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}
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/**
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* dp_tx_send_exception() - Transmit a frame on a given VAP in exception path
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* @soc: DP soc handle
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@@ -2935,20 +3009,36 @@ dp_tx_send_exception(struct cdp_soc_t *soc_hdl, uint8_t vdev_id,
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*/
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dp_tx_get_queue(vdev, nbuf, &msdu_info.tx_queue);
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/*
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* Check exception descriptors
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*/
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if (dp_tx_exception_limit_check(vdev))
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goto fail;
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if (qdf_likely(tx_exc_metadata->is_intrabss_fwd)) {
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if (qdf_unlikely(vdev->nawds_enabled)) {
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/*
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* This is a multicast packet
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*/
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dp_tx_nawds_handler(soc, vdev, &msdu_info, nbuf,
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tx_exc_metadata->peer_id);
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DP_STATS_INC_PKT(vdev, tx_i.nawds_mcast,
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1, qdf_nbuf_len(nbuf));
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}
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/* Single linear frame */
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/*
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* If nbuf is a simple linear frame, use send_single function to
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* prepare direct-buffer type TCL descriptor and enqueue to TCL
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* SRNG. There is no need to setup a MSDU extension descriptor.
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*/
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nbuf = dp_tx_send_msdu_single(vdev, nbuf, &msdu_info,
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tx_exc_metadata->peer_id, tx_exc_metadata);
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nbuf = dp_tx_send_msdu_single(vdev, nbuf, &msdu_info,
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DP_INVALID_PEER, NULL);
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} else {
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/*
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* Check exception descriptors
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*/
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if (dp_tx_exception_limit_check(vdev))
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goto fail;
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/* Single linear frame */
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/*
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* If nbuf is a simple linear frame, use send_single function to
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* prepare direct-buffer type TCL descriptor and enqueue to TCL
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* SRNG. There is no need to setup a MSDU extension descriptor.
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*/
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nbuf = dp_tx_send_msdu_single(vdev, nbuf, &msdu_info,
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tx_exc_metadata->peer_id,
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tx_exc_metadata);
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}
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dp_vdev_unref_delete(soc, vdev, DP_MOD_ID_TX_EXCEPTION);
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return nbuf;
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@@ -3099,97 +3189,6 @@ qdf_nbuf_t dp_tx_send_mesh(struct cdp_soc_t *soc, uint8_t vdev_id,
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#endif
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/**
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* dp_tx_nawds_handler() - NAWDS handler
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*
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* @soc: DP soc handle
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* @vdev_id: id of DP vdev handle
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* @msdu_info: msdu_info required to create HTT metadata
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* @nbuf: skb
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*
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* This API transfers the multicast frames with the peer id
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* on NAWDS enabled peer.
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* Return: none
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*/
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static inline
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void dp_tx_nawds_handler(struct dp_soc *soc, struct dp_vdev *vdev,
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struct dp_tx_msdu_info_s *msdu_info, qdf_nbuf_t nbuf)
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{
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struct dp_peer *peer = NULL;
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qdf_nbuf_t nbuf_clone = NULL;
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uint16_t peer_id = DP_INVALID_PEER;
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uint16_t sa_peer_id = DP_INVALID_PEER;
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struct dp_ast_entry *ast_entry = NULL;
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qdf_ether_header_t *eh = (qdf_ether_header_t *)qdf_nbuf_data(nbuf);
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struct dp_txrx_peer *txrx_peer;
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if (!soc->ast_offload_support) {
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if (qdf_nbuf_get_tx_ftype(nbuf) == CB_FTYPE_INTRABSS_FWD) {
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qdf_spin_lock_bh(&soc->ast_lock);
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ast_entry = dp_peer_ast_hash_find_by_pdevid
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(soc,
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(uint8_t *)(eh->ether_shost),
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vdev->pdev->pdev_id);
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if (ast_entry)
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sa_peer_id = ast_entry->peer_id;
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qdf_spin_unlock_bh(&soc->ast_lock);
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}
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} else {
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if ((qdf_nbuf_get_tx_ftype(nbuf) == CB_FTYPE_INTRABSS_FWD) &&
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qdf_nbuf_get_tx_fctx(nbuf))
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sa_peer_id = *(uint32_t *)qdf_nbuf_get_tx_fctx(nbuf);
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}
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qdf_spin_lock_bh(&vdev->peer_list_lock);
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TAILQ_FOREACH(peer, &vdev->peer_list, peer_list_elem) {
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txrx_peer = dp_get_txrx_peer(peer);
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if (!txrx_peer)
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continue;
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if (!txrx_peer->bss_peer && txrx_peer->nawds_enabled) {
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peer_id = peer->peer_id;
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/* Multicast packets needs to be
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* dropped in case of intra bss forwarding
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*/
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if (sa_peer_id == peer->peer_id) {
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dp_tx_debug("multicast packet");
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DP_PEER_PER_PKT_STATS_INC(txrx_peer,
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tx.nawds_mcast_drop,
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1);
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continue;
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}
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nbuf_clone = qdf_nbuf_clone(nbuf);
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if (!nbuf_clone) {
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QDF_TRACE(QDF_MODULE_ID_DP,
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QDF_TRACE_LEVEL_ERROR,
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FL("nbuf clone failed"));
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break;
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}
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nbuf_clone = dp_tx_send_msdu_single(vdev, nbuf_clone,
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msdu_info, peer_id,
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NULL);
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if (nbuf_clone) {
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dp_tx_debug("pkt send failed");
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qdf_nbuf_free(nbuf_clone);
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} else {
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if (peer_id != DP_INVALID_PEER) {
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DP_PEER_PER_PKT_STATS_INC_PKT(txrx_peer,
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tx.nawds_mcast,
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1, qdf_nbuf_len(nbuf));
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}
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}
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}
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}
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qdf_spin_unlock_bh(&vdev->peer_list_lock);
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}
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#ifdef QCA_DP_TX_NBUF_AND_NBUF_DATA_PREFETCH
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static inline
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void dp_tx_prefetch_nbuf_data(qdf_nbuf_t nbuf)
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@@ -3350,8 +3349,27 @@ qdf_nbuf_t dp_tx_send(struct cdp_soc_t *soc_hdl, uint8_t vdev_id,
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if (qdf_unlikely(vdev->nawds_enabled)) {
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qdf_ether_header_t *eh = (qdf_ether_header_t *)
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qdf_nbuf_data(nbuf);
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if (DP_FRAME_IS_MULTICAST((eh)->ether_dhost))
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dp_tx_nawds_handler(soc, vdev, &msdu_info, nbuf);
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if (DP_FRAME_IS_MULTICAST((eh)->ether_dhost)) {
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uint16_t sa_peer_id = DP_INVALID_PEER;
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if (!soc->ast_offload_support &&
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qdf_nbuf_get_tx_ftype(nbuf) ==
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CB_FTYPE_INTRABSS_FWD) {
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struct dp_ast_entry *ast_entry = NULL;
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qdf_spin_lock_bh(&soc->ast_lock);
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ast_entry = dp_peer_ast_hash_find_by_pdevid
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(soc,
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(uint8_t *)(eh->ether_shost),
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vdev->pdev->pdev_id);
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if (ast_entry)
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sa_peer_id = ast_entry->peer_id;
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qdf_spin_unlock_bh(&soc->ast_lock);
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}
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dp_tx_nawds_handler(soc, vdev, &msdu_info, nbuf,
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sa_peer_id);
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}
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peer_id = DP_INVALID_PEER;
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DP_STATS_INC_PKT(vdev, tx_i.nawds_mcast,
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