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qcacmn: Accept EAPOL packets in uncrypted error case

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rx unencrypted eapol frames are dropped with dynamic WEP on de-tunnel mode.
Accept EAPOL packets alone in uncrypted path.

Change-Id: Ie576211c3d408fd7e319fba05c9d1badaa4b4676
This commit is contained in:
Gurumoorthi Gnanasambandhan 2018-12-07 12:14:17 +05:30 • committed by nshrivas
commit e1334b3595
1 changed files with 18 additions and 14 deletions
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32
dp/wifi3.0/dp_rx_err.c
View file

@ -796,7 +796,7 @@ dp_rx_process_err_unencrypted(struct dp_soc *soc, qdf_nbuf_t nbuf,
uint16_t msdu_len;
struct dp_vdev *vdev;
struct ether_header *eh;
bool isBroadcast;
bool is_broadcast;
/*
* Check if DMA completed -- msdu_done is the last bit
@ -849,6 +849,9 @@ dp_rx_process_err_unencrypted(struct dp_soc *soc, qdf_nbuf_t nbuf,
*/
qdf_nbuf_pull_head(nbuf, l2_hdr_offset + RX_PKT_TLVS_LEN);
if (vdev->rx_decap_type == htt_cmn_pkt_type_raw)
goto process_mesh;
/*
* WAPI cert AP sends rekey frames as unencrypted.
* Thus RXDMA will report unencrypted frame error.
@ -857,17 +860,18 @@ dp_rx_process_err_unencrypted(struct dp_soc *soc, qdf_nbuf_t nbuf,
*/
if (qdf_nbuf_is_ipv4_wapi_pkt(nbuf)) {
qdf_nbuf_cb_update_peer_local_id(nbuf, peer->local_id);
if (qdf_likely(vdev->osif_rx)) {
DP_STATS_INC(peer, rx.to_stack.num, 1);
vdev->osif_rx(vdev->osif_vdev, nbuf);
} else {
qdf_nbuf_free(nbuf);
DP_STATS_INC(soc, rx.err.invalid_vdev, 1);
}
return;
goto process_rx;
}
/*
* In dynamic WEP case rekey frames are not encrypted
* similar to WAPI. Allow EAPOL when 8021+wep is enabled and
* key install is already done
*/
if ((vdev->sec_type == cdp_sec_type_wep104) &&
(qdf_nbuf_is_ipv4_eapol_pkt(nbuf)))
goto process_rx;
process_mesh:
/* Drop & free packet if mesh mode not enabled */
if (!vdev->mesh_vdev) {
@ -884,18 +888,18 @@ dp_rx_process_err_unencrypted(struct dp_soc *soc, qdf_nbuf_t nbuf,
qdf_nbuf_free(nbuf);
return;
}
dp_rx_fill_mesh_stats(vdev, nbuf, rx_tlv_hdr, peer);
process_rx:
if (qdf_unlikely(hal_rx_msdu_end_da_is_mcbc_get(rx_tlv_hdr) &&
(vdev->rx_decap_type ==
htt_cmn_pkt_type_ethernet))) {
eh = (struct ether_header *)qdf_nbuf_data(nbuf);
isBroadcast = (IEEE80211_IS_BROADCAST
is_broadcast = (IEEE80211_IS_BROADCAST
(eh->ether_dhost)) ? 1 : 0 ;
DP_STATS_INC_PKT(peer, rx.multicast, 1, qdf_nbuf_len(nbuf));
if (isBroadcast) {
if (is_broadcast) {
DP_STATS_INC_PKT(peer, rx.bcast, 1,
qdf_nbuf_len(nbuf));
}