qcacmn: Loopback check for ucast frame after hmmc
Add a check to drop unicast frame being sent to same originating
VAP after hmmc conversion of IGMP control packets
Change-Id: Ic25812a7848af793075a0cb483100ebcf59d85b2
diff --git a/dp/wifi3.0/dp_rx.c b/dp/wifi3.0/dp_rx.c
index 4c9dd0f..54d401d 100644
--- a/dp/wifi3.0/dp_rx.c
+++ b/dp/wifi3.0/dp_rx.c
@@ -499,6 +499,8 @@
len = QDF_NBUF_CB_RX_PKT_LEN(nbuf);
memset(nbuf_copy->cb, 0x0, sizeof(nbuf_copy->cb));
+ /* Set cb->ftype to intrabss FWD */
+ qdf_nbuf_set_tx_ftype(nbuf_copy, CB_FTYPE_INTRABSS_FWD);
if (dp_tx_send(dp_vdev_to_cdp_vdev(ta_peer->vdev), nbuf_copy)) {
DP_STATS_INC_PKT(ta_peer, rx.intra_bss.fail, 1, len);
tid_stats->fail_cnt[INTRABSS_DROP]++;
diff --git a/dp/wifi3.0/dp_tx.c b/dp/wifi3.0/dp_tx.c
index 921c757..799d4e8 100644
--- a/dp/wifi3.0/dp_tx.c
+++ b/dp/wifi3.0/dp_tx.c
@@ -1506,6 +1506,39 @@
#endif
/**
+ * dp_tx_frame_is_drop() - checks if the packet is loopback
+ * @vdev: DP vdev handle
+ * @nbuf: skb
+ *
+ * Return: 1 if frame needs to be dropped else 0
+ */
+int dp_tx_frame_is_drop(struct dp_vdev *vdev, uint8_t *srcmac, uint8_t *dstmac)
+{
+ struct dp_pdev *pdev = NULL;
+ struct dp_ast_entry *src_ast_entry = NULL;
+ struct dp_ast_entry *dst_ast_entry = NULL;
+ struct dp_soc *soc = NULL;
+
+ qdf_assert(vdev);
+ pdev = vdev->pdev;
+ qdf_assert(pdev);
+ soc = pdev->soc;
+
+ dst_ast_entry = dp_peer_ast_hash_find_by_pdevid
+ (soc, dstmac, vdev->pdev->pdev_id);
+
+ src_ast_entry = dp_peer_ast_hash_find_by_pdevid
+ (soc, srcmac, vdev->pdev->pdev_id);
+ if (dst_ast_entry && src_ast_entry) {
+ if (dst_ast_entry->peer->peer_ids[0] ==
+ src_ast_entry->peer->peer_ids[0])
+ return 1;
+ }
+
+ return 0;
+}
+
+/**
* dp_tx_send_msdu_single() - Setup descriptor and enqueue single MSDU to TCL
* @vdev: DP vdev handle
* @nbuf: skb
diff --git a/dp/wifi3.0/dp_tx.h b/dp/wifi3.0/dp_tx.h
index 1c436e5..b58ac82 100644
--- a/dp/wifi3.0/dp_tx.h
+++ b/dp/wifi3.0/dp_tx.h
@@ -216,6 +216,7 @@
qdf_nbuf_t dp_tx_non_std(struct cdp_soc_t *soc_hdl, uint8_t vdev_id,
enum ol_tx_spec tx_spec, qdf_nbuf_t msdu_list);
#endif
+int dp_tx_frame_is_drop(struct dp_vdev *vdev, uint8_t *srcmac, uint8_t *dstmac);
/**
* dp_tx_comp_handler() - Tx completion handler