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qcacmn: flush the invalid peer nbuf list in case list length is > 10

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In invalid peer path if the ppdu nbuf has more than 10 nbufs
flush the list

Change-Id: I285cc9f78cafe669661860f7aa2f4542526bc412
CRs-fixed: 2453326
This commit is contained in:
Chaithanya Garrepalli 2019-05-24 19:41:05 +05:30 • committed by nshrivas
commit d3c58a3d99
1 changed files with 13 additions and 1 deletions
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14
dp/wifi3.0/dp_rx_err.c
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@ -31,6 +31,9 @@
#include <enet.h> /* LLC_SNAP_HDR_LEN */
#include "qdf_net_types.h"
/* Max buffer in invalid peer SG list*/
#define DP_MAX_INVALID_BUFFERS 10
/**
* dp_rx_mcast_echo_check() - check if the mcast pkt is a loop
* back on same vap or a different vap.
@ -436,7 +439,16 @@ dp_rx_chain_msdus(struct dp_soc *soc, qdf_nbuf_t nbuf, uint8_t *rx_tlv_hdr,
*/
struct dp_pdev *dp_pdev = soc->pdev_list[mac_id];
if (!dp_pdev->first_nbuf) {
/* 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 ||
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->ppdu_id = HAL_RX_HW_DESC_GET_PPDUID_GET(rx_tlv_hdr);
dp_pdev->first_nbuf = true;