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qcacmn: Loopback check for ucast frame after hmmc

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Add a check to drop unicast frame being sent to same originating
VAP after hmmc conversion of IGMP control packets

Change-Id: Ic25812a7848af793075a0cb483100ebcf59d85b2
This commit is contained in:
Mainak Sen
2019-10-29 13:29:58 +05:30
committad av nshrivas
förälder 4050a850ac
incheckning 8bc9b42eb3
3 ändrade filer med 36 tillägg och 0 borttagningar
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33
dp/wifi3.0/dp_tx.c
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@@ -1505,6 +1505,39 @@ static inline void dp_non_std_tx_comp_free_buff(struct dp_tx_desc_s *tx_desc,
}
#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