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qcacmn: Handle decrypt error packets for invalid peers

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Packets from STAs that are not associated are sometimes indicated
as Decrypt error.
Process these packets by sending a unicast Deauth packet to them.
This is also required to trigger unicast Deauth, if the STA
ignores broadcast Deauth and later send packets to AP in Deauthed
state

Change-Id: I6ebf848d4b9409931ae1750b5ff0617839b04105
This commit is contained in:
Vinay Adella 2019-06-13 18:19:29 +05:30 • committed by nshrivas
commit 5c1b7881a1
1 changed files with 20 additions and 3 deletions
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23
dp/wifi3.0/dp_rx_err.c
View file

@ -1405,7 +1405,8 @@ done:
while (nbuf) {
struct dp_peer *peer;
uint16_t peer_id;
uint8_t e_code;
uint8_t *tlv_hdr;
rx_tlv_hdr = qdf_nbuf_data(nbuf);
peer_id = hal_rx_mpdu_start_sw_peer_id_get(rx_tlv_hdr);
@ -1506,8 +1507,24 @@ done:
continue;
case HAL_RXDMA_ERR_DECRYPT:
if (peer)
DP_STATS_INC(peer, rx.err.decrypt_err, 1);
pool_id = wbm_err_info.pool_id;
e_code = wbm_err_info.rxdma_err_code;
tlv_hdr = rx_tlv_hdr;
if (peer) {
DP_STATS_INC(peer, rx.err.
decrypt_err, 1);
} else {
dp_rx_process_rxdma_err(soc,
nbuf,
tlv_hdr,
NULL,
e_code,
pool_id
);
nbuf = next;
continue;
}
QDF_TRACE(QDF_MODULE_ID_DP,
QDF_TRACE_LEVEL_DEBUG,
"Packet received with Decrypt error");