qcacmn: NAWDS multicast issue CR2130039
Multicast frames in NAWDS mode causing flood of packets between the nawds enabled AP's due to continuous sending of mutlicast frames received from another AP and vicevera.Resolved the issues by droppping the 3 address Multicast frames and 4 address multicast frames with sa_peer same as tx_peer. Change-Id: I5edbcb060720510eb6ea5f5ffd46402535ba6748 CRs-Fixed: 2130039
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@@ -475,6 +475,20 @@ dp_rx_null_q_desc_handle(struct dp_soc *soc, struct dp_rx_desc *rx_desc,
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qdf_spin_unlock_bh(&soc->ast_lock);
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skip_mec_check:
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if (qdf_unlikely((peer->nawds_enabled == true) &&
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hal_rx_msdu_end_da_is_mcbc_get(rx_desc->rx_buf_start)
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)) {
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QDF_TRACE(QDF_MODULE_ID_DP,
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QDF_TRACE_LEVEL_DEBUG,
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"%s free buffer for multicast packet",
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__func__);
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DP_STATS_INC_PKT(peer, rx.nawds_mcast_drop,
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1, qdf_nbuf_len(nbuf));
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qdf_nbuf_free(nbuf);
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goto fail;
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}
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/* WDS Source Port Learning */
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if (qdf_likely(vdev->rx_decap_type == htt_cmn_pkt_type_ethernet))
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dp_rx_wds_srcport_learn(soc, rx_desc->rx_buf_start, peer, nbuf);
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