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qcacmn: adding peer_id check for MEC

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adding peer_id check to MEC detection.

Change-Id: I717d65c4ba33feac2ac488548efe3fdf95598ca8
This commit is contained in:
Nitin Shetty
2021-03-16 14:31:31 +05:30
committed by snandini
parent f4891e164c
commit 2c31ece247
1 changed files with 36 additions and 1 deletions
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37
dp/wifi3.0/dp_rx_err.c
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@@ -54,6 +54,8 @@ bool dp_rx_mcast_echo_check(struct dp_soc *soc,
struct dp_vdev *vdev = peer->vdev;
struct dp_pdev *pdev = vdev->pdev;
struct dp_mec_entry *mecentry = NULL;
struct dp_ast_entry *ase = NULL;
uint16_t sa_idx = 0;
uint8_t *data;
/*
* Multicast Echo Check is required only if vdev is STA and
@@ -66,6 +68,7 @@ bool dp_rx_mcast_echo_check(struct dp_soc *soc,
return false;
data = qdf_nbuf_data(nbuf);
/*
* if the received pkts src mac addr matches with vdev
* mac address then drop the pkt as it is looped back
@@ -84,11 +87,42 @@ bool dp_rx_mcast_echo_check(struct dp_soc *soc,
if (qdf_unlikely(vdev->isolation_vdev))
return false;
/* if the received pkts src mac addr matches with the
/*
* if the received pkts src mac addr matches with the
* wired PCs MAC addr which is behind the STA or with
* wireless STAs MAC addr which are behind the Repeater,
* then drop the pkt as it is looped back
*/
if (hal_rx_msdu_end_sa_is_valid_get(soc->hal_soc, rx_tlv_hdr)) {
sa_idx = hal_rx_msdu_end_sa_idx_get(soc->hal_soc, rx_tlv_hdr);
if ((sa_idx < 0) ||
(sa_idx >= wlan_cfg_get_max_ast_idx(soc->wlan_cfg_ctx))) {
QDF_TRACE(QDF_MODULE_ID_TXRX, QDF_TRACE_LEVEL_ERROR,
"invalid sa_idx: %d", sa_idx);
qdf_assert_always(0);
}
qdf_spin_lock_bh(&soc->ast_lock);
ase = soc->ast_table[sa_idx];
/*
* this check was not needed since MEC is not dependent on AST,
* but if we dont have this check SON has some issues in
* dual backhaul scenario. in APS SON mode, client connected
* to RE 2G and sends multicast packets. the RE sends it to CAP
* over 5G backhaul. the CAP loopback it on 2G to RE.
* On receiving in 2G STA vap, we assume that client has roamed
* and kickout the client.
*/
if (ase && (ase->peer_id != peer->peer_id)) {
qdf_spin_unlock_bh(&soc->ast_lock);
goto drop;
}
qdf_spin_unlock_bh(&soc->ast_lock);
}
qdf_spin_lock_bh(&soc->mec_lock);
mecentry = dp_peer_mec_hash_find_by_pdevid(soc, pdev->pdev_id,
@@ -100,6 +134,7 @@ bool dp_rx_mcast_echo_check(struct dp_soc *soc,
qdf_spin_unlock_bh(&soc->mec_lock);
drop:
dp_rx_err_info("%pK: received pkt with same src mac " QDF_MAC_ADDR_FMT,
soc, QDF_MAC_ADDR_REF(&data[QDF_MAC_ADDR_SIZE]));