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qcacmn: Extended WDS solution RX

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1. Register peer->osif_peer for per-STA netdevice delivery.
2. Wi-Fi 3-address frame packets received would be processed
   through AP netdevice.
3. Wi-Fi 4-address frame packets received would be processed
   through per-STA netdevice.

Change-Id: I102874ea1de9fba40ab7f0e2c32c9de1c9b4d075
This commit is contained in:
Varsha Mishra
2020-09-18 10:57:29 +05:30
committed by snandini
parent aa434cb679
commit c7789836fd
6 changed files with 101 additions and 9 deletions
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93
dp/wifi3.0/dp_rx.c
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@@ -1340,6 +1340,89 @@ static inline int dp_rx_drop_nbuf_list(struct dp_pdev *pdev,
return num_dropped;
}
#ifdef QCA_SUPPORT_WDS_EXTENDED
/**
* dp_rx_wds_ext() - Make different lists for 4-address and 3-address frames
* @nbuf_head: skb list head
* @vdev: vdev
* @peer: peer
* @peer_id: peer id of new received frame
* @vdev_id: vdev_id of new received frame
*
* Return: true if peer_ids are different.
*/
static inline bool
dp_rx_is_list_ready(qdf_nbuf_t nbuf_head,
struct dp_vdev *vdev,
struct dp_peer *peer,
uint16_t peer_id,
uint8_t vdev_id)
{
if (nbuf_head && peer && (peer->peer_id != peer_id))
return true;
return false;
}
/**
* dp_rx_deliver_to_stack_ext() - Deliver to netdev per sta
* @soc: core txrx main context
* @vdev: vdev
* @peer: peer
* @nbuf_head: skb list head
*
* Return: true if packet is delivered to netdev per STA.
*/
static inline bool
dp_rx_deliver_to_stack_ext(struct dp_soc *soc, struct dp_vdev *vdev,
struct dp_peer *peer, qdf_nbuf_t nbuf_head)
{
/*
* When extended WDS is disabled, frames are sent to AP netdevice.
*/
if (qdf_likely(!vdev->wds_ext_enabled))
return false;
/*
* There can be 2 cases:
* 1. Send frame to parent netdev if its not for netdev per STA
* 2. If frame is meant for netdev per STA:
* a. Send frame to appropriate netdev using registered fp.
* b. If fp is NULL, drop the frames.
*/
if (!peer->wds_ext.init)
return false;
if (peer->osif_rx)
peer->osif_rx(peer->wds_ext.osif_peer, nbuf_head);
else
dp_rx_drop_nbuf_list(vdev->pdev, nbuf_head);
return true;
}
#else
static inline bool
dp_rx_is_list_ready(qdf_nbuf_t nbuf_head,
struct dp_vdev *vdev,
struct dp_peer *peer,
uint16_t peer_id,
uint8_t vdev_id)
{
if (nbuf_head && vdev && (vdev->vdev_id != vdev_id))
return true;
return false;
}
static inline bool
dp_rx_deliver_to_stack_ext(struct dp_soc *soc, struct dp_vdev *vdev,
struct dp_peer *peer, qdf_nbuf_t nbuf_head)
{
return false;
}
#endif
#ifdef PEER_CACHE_RX_PKTS
/**
* dp_rx_flush_rx_cached() - flush cached rx frames
@@ -1488,6 +1571,10 @@ static void dp_rx_check_delivery_to_stack(struct dp_soc *soc,
struct dp_peer *peer,
qdf_nbuf_t nbuf_head)
{
if (qdf_unlikely(dp_rx_deliver_to_stack_ext(soc, vdev,
peer, nbuf_head)))
return;
/* Function pointer initialized only when FISA is enabled */
if (vdev->osif_fisa_rx)
/* on failure send it via regular path */
@@ -2444,8 +2531,10 @@ done:
rx_tlv_hdr = qdf_nbuf_data(nbuf);
vdev_id = QDF_NBUF_CB_RX_VDEV_ID(nbuf);
peer_id = QDF_NBUF_CB_RX_PEER_ID(nbuf);
if (deliver_list_head && vdev && (vdev->vdev_id != vdev_id)) {
if (dp_rx_is_list_ready(deliver_list_head, vdev, peer,
peer_id, vdev_id)) {
dp_rx_deliver_to_stack(soc, vdev, peer,
deliver_list_head,
deliver_list_tail);
@@ -2457,8 +2546,6 @@ done:
if (qdf_nbuf_is_rx_chfrag_start(nbuf))
tid = qdf_nbuf_get_tid_val(nbuf);
peer_id = QDF_NBUF_CB_RX_PEER_ID(nbuf);
if (qdf_unlikely(!peer)) {
peer = dp_peer_get_ref_by_id(soc, peer_id,
DP_MOD_ID_RX);