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Commit 2b10eb61 authored by Yeshwanth Sriram Guntuka's avatar Yeshwanth Sriram Guntuka Committed by Madan Koyyalamudi
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qcacmn: Drop msdu with len err in rx attn tlvs 

Drop msdus received with len err set to 1 in
rx attention tlvs.

Change-Id: I8e754a6023874262406c050047ebf013e8b1d589
CRs-Fixed: 2941873
parent 56065de7

dp/wifi3.0/dp_rx.c

+7 −0
Original line number Diff line number Diff line
@@ -2710,6 +2710,13 @@ uint32_t dp_rx_process(struct dp_intr *int_ctx, hal_ring_handle_t hal_ring_hdl, 
		vdev_id = QDF_NBUF_CB_RX_VDEV_ID(nbuf);

		peer_id =  QDF_NBUF_CB_RX_PEER_ID(nbuf);



		if (qdf_unlikely(hal_rx_attn_msdu_len_err_get(rx_tlv_hdr))) {

			DP_STATS_INC(soc, rx.err.msdu_len_err, 1);

			qdf_nbuf_free(nbuf);

			nbuf = next;

			continue;

		}



		if (dp_rx_is_list_ready(deliver_list_head, vdev, peer,

					peer_id, vdev_id)) {

			dp_rx_deliver_to_stack(soc, vdev, peer,

dp/wifi3.0/dp_types.h

+2 −0
Original line number Diff line number Diff line
@@ -1036,6 +1036,8 @@ struct dp_soc_stats { 
			uint32_t intrabss_eapol_drop;

			/* Non Eapol pkt drop cnt due to peer not authorized */

			uint32_t peer_unauth_rx_pkt_drop;

			/* MSDU len err count */

			uint32_t msdu_len_err;

		} err;



		/* packet count per core - per ring */

hal/wifi3.0/hal_rx.h

+22 −0
Original line number Diff line number Diff line
@@ -4035,4 +4035,26 @@ uint32_t hal_rx_attn_offset_get(hal_soc_handle_t hal_soc_hdl) 


	return hal_soc->ops->hal_rx_attn_offset_get();

}



#define HAL_RX_ATTN_MSDU_LEN_ERR_GET(_rx_attn)		\

	(_HAL_MS((*_OFFSET_TO_WORD_PTR(_rx_attn,	\

		RX_ATTENTION_1_MSDU_LENGTH_ERR_OFFSET)),	\

		RX_ATTENTION_1_MSDU_LENGTH_ERR_MASK,		\

		RX_ATTENTION_1_MSDU_LENGTH_ERR_LSB))



/**

 * hal_rx_attn_msdu_len_err_get(): Get msdu_len_err value from

 *  rx attention tlvs

 * @buf: pointer to rx pkt tlvs hdr

 *

 * Return: msdu_len_err value

 */

static inline uint32_t

hal_rx_attn_msdu_len_err_get(uint8_t *buf)

{

	struct rx_pkt_tlvs *pkt_tlvs = (struct rx_pkt_tlvs *)buf;

	struct rx_attention *rx_attn = &pkt_tlvs->attn_tlv.rx_attn;



	return HAL_RX_ATTN_MSDU_LEN_ERR_GET(rx_attn);

}

#endif /* _HAL_RX_H */