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qcacmn: Drop non-eapol packets for unauthorized peer

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Until peer is authorized, drop non-eapol frames in
rx error path.

Change-Id: I339b9248b8ae63e4b6ab0268c4ed28130404ba33
This commit is contained in:
Varsha Mishra
2021-06-10 14:36:58 +05:30
committed by Madan Koyyalamudi
parent bac1da61a7
commit b0d37772c7
1 changed files with 18 additions and 3 deletions
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21
dp/wifi3.0/dp_rx_err.c
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@@ -1139,6 +1139,7 @@ dp_rx_null_q_desc_handle(struct dp_soc *soc, qdf_nbuf_t nbuf,
qdf_ether_header_t *eh;
struct hal_rx_msdu_metadata msdu_metadata;
uint16_t sa_idx = 0;
bool is_eapol;
qdf_nbuf_set_rx_chfrag_start(nbuf,
hal_rx_msdu_end_first_msdu_get(soc->hal_soc,
@@ -1293,6 +1294,22 @@ dp_rx_null_q_desc_handle(struct dp_soc *soc, qdf_nbuf_t nbuf,
/* IEEE80211_SEQ_MAX indicates invalid start_seq */
}
eh = (qdf_ether_header_t *)qdf_nbuf_data(nbuf);
if (!peer->authorize) {
is_eapol = qdf_nbuf_is_ipv4_eapol_pkt(nbuf) ||
qdf_nbuf_is_ipv4_wapi_pkt(nbuf);
if (is_eapol) {
if (qdf_mem_cmp(eh->ether_dhost,
&vdev->mac_addr.raw[0],
QDF_MAC_ADDR_SIZE))
goto drop_nbuf;
} else {
goto drop_nbuf;
}
}
/*
* Drop packets in this path if cce_match is found. Packets will come
* in following path depending on whether tidQ is setup.
@@ -1306,8 +1323,7 @@ dp_rx_null_q_desc_handle(struct dp_soc *soc, qdf_nbuf_t nbuf,
* to stack.
*/
if (qdf_unlikely(dp_rx_err_cce_drop(soc, vdev, nbuf, rx_tlv_hdr))) {
qdf_nbuf_free(nbuf);
return QDF_STATUS_E_FAILURE;
goto drop_nbuf;
}
if (qdf_unlikely(vdev->rx_decap_type == htt_cmn_pkt_type_raw)) {
@@ -1334,7 +1350,6 @@ dp_rx_null_q_desc_handle(struct dp_soc *soc, qdf_nbuf_t nbuf,
soc->hal_soc, rx_tlv_hdr) &&
(vdev->rx_decap_type ==
htt_cmn_pkt_type_ethernet))) {
eh = (qdf_ether_header_t *)qdf_nbuf_data(nbuf);
DP_STATS_INC_PKT(peer, rx.multicast, 1,
qdf_nbuf_len(nbuf));