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qcacmn: Add Non Association WDS(NAWDS) Support for Lithium

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Add API to handle NAWDS packets on tx side.
Add API to handle invalid peers and pass them to umac.

Change-Id: Ie8c2508e4f51c7d6969c9eb6439919c57dd427d4
CRs-Fixed: 2008205
This commit is contained in:
Ishank Jain
2017-03-30 18:37:42 +05:30
committed by Sandeep Puligilla
parent e0a0247ead
commit 9f174c6e2f
9 changed files with 231 additions and 6 deletions
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73
dp/wifi3.0/dp_tx.c
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@@ -830,20 +830,23 @@ static void dp_tx_classify_tid(struct dp_vdev *vdev, qdf_nbuf_t nbuf,
* @nbuf: skb
* @tid: TID from HLOS for overriding default DSCP-TID mapping
* @tx_q: Tx queue to be used for this Tx frame
* @peer_id: peer_id of the peer in case of NAWDS frames
*
* Return: NULL on success,
* nbuf when it fails to send
*/
static qdf_nbuf_t dp_tx_send_msdu_single(struct dp_vdev *vdev, qdf_nbuf_t nbuf,
uint8_t tid, struct dp_tx_queue *tx_q,
uint32_t *meta_data)
uint32_t *meta_data, uint16_t peer_id)
{
struct dp_pdev *pdev = vdev->pdev;
struct dp_soc *soc = pdev->soc;
struct dp_tx_desc_s *tx_desc;
QDF_STATUS status;
void *hal_srng = soc->tcl_data_ring[tx_q->ring_id].hal_srng;
uint16_t htt_tcl_metadata = 0;
HTT_TX_TCL_METADATA_VALID_HTT_SET(htt_tcl_metadata, 0);
/* Setup Tx descriptor for an MSDU, and MSDU extension descriptor */
tx_desc = dp_tx_prepare_desc_single(vdev, nbuf, tx_q->desc_pool_id, meta_data);
if (!tx_desc) {
@@ -862,9 +865,17 @@ static qdf_nbuf_t dp_tx_send_msdu_single(struct dp_vdev *vdev, qdf_nbuf_t nbuf,
goto fail_return;
}
if (qdf_unlikely(peer_id != HTT_INVALID_PEER)) {
HTT_TX_TCL_METADATA_TYPE_SET(htt_tcl_metadata,
HTT_TCL_METADATA_TYPE_PEER_BASED);
HTT_TX_TCL_METADATA_PEER_ID_SET(htt_tcl_metadata,
peer_id);
} else
htt_tcl_metadata = vdev->htt_tcl_metadata;
/* Enqueue the Tx MSDU descriptor to HW for transmit */
status = dp_tx_hw_enqueue(soc, vdev, tx_desc, tid,
vdev->htt_tcl_metadata, tx_q->ring_id);
htt_tcl_metadata, tx_q->ring_id);
if (status != QDF_STATUS_SUCCESS) {
QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_ERROR,
@@ -1160,6 +1171,49 @@ void dp_tx_extract_mesh_meta_data(struct dp_vdev *vdev, qdf_nbuf_t nbuf,
#endif
/**
* dp_tx_prepare_nawds(): Tramit NAWDS frames
* @vdev: dp_vdev handle
* @nbuf: skb
* @tid: TID from HLOS for overriding default DSCP-TID mapping
* @tx_q: Tx queue to be used for this Tx frame
* @meta_data: Meta date for mesh
* @peer_id: peer_id of the peer in case of NAWDS frames
*
* return: NULL on success nbuf on failure
*/
static qdf_nbuf_t dp_tx_prepare_nawds(struct dp_vdev *vdev, qdf_nbuf_t nbuf,
uint8_t tid, struct dp_tx_queue *tx_q, uint32_t *meta_data,
uint32_t peer_id)
{
struct dp_peer *peer = NULL;
qdf_nbuf_t nbuf_copy;
TAILQ_FOREACH(peer, &vdev->peer_list, peer_list_elem) {
if ((peer->peer_ids[0] != HTT_INVALID_PEER) &&
(peer->nawds_enabled || peer->bss_peer)) {
nbuf_copy = qdf_nbuf_copy(nbuf);
if (!nbuf_copy) {
QDF_TRACE(QDF_MODULE_ID_DP,
QDF_TRACE_LEVEL_ERROR,
"nbuf copy failed");
}
peer_id = peer->peer_ids[0];
nbuf_copy = dp_tx_send_msdu_single(vdev, nbuf_copy, tid,
tx_q, meta_data, peer_id);
if (nbuf_copy != NULL) {
qdf_nbuf_free(nbuf);
return nbuf_copy;
}
}
}
if (peer_id == HTT_INVALID_PEER)
return nbuf;
qdf_nbuf_free(nbuf);
return NULL;
}
/**
* dp_tx_send() - Transmit a frame on a given VAP
* @vap_dev: DP vdev handle
@@ -1174,10 +1228,11 @@ void dp_tx_extract_mesh_meta_data(struct dp_vdev *vdev, qdf_nbuf_t nbuf,
*/
qdf_nbuf_t dp_tx_send(void *vap_dev, qdf_nbuf_t nbuf)
{
struct ether_header *eh;
struct ether_header *eh = NULL;
struct dp_tx_msdu_info_s msdu_info;
struct dp_tx_seg_info_s seg_info;
struct dp_vdev *vdev = (struct dp_vdev *) vap_dev;
uint16_t peer_id = HTT_INVALID_PEER;
qdf_mem_set(&msdu_info, sizeof(msdu_info), 0x0);
qdf_mem_set(&seg_info, sizeof(seg_info), 0x0);
@@ -1294,6 +1349,16 @@ qdf_nbuf_t dp_tx_send(void *vap_dev, qdf_nbuf_t nbuf)
}
if (vdev->nawds_enabled) {
eh = (struct ether_header *)qdf_nbuf_data(nbuf);
if (DP_FRAME_IS_MULTICAST((eh)->ether_dhost)) {
nbuf = dp_tx_prepare_nawds(vdev, nbuf, msdu_info.tid,
&msdu_info.tx_queue,
msdu_info.meta_data, peer_id);
return nbuf;
}
}
/* Single linear frame */
/*
* If nbuf is a simple linear frame, use send_single function to
@@ -1301,7 +1366,7 @@ qdf_nbuf_t dp_tx_send(void *vap_dev, qdf_nbuf_t nbuf)
* SRNG. There is no need to setup a MSDU extension descriptor.
*/
nbuf = dp_tx_send_msdu_single(vdev, nbuf, msdu_info.tid,
&msdu_info.tx_queue, msdu_info.meta_data);
&msdu_info.tx_queue, msdu_info.meta_data, peer_id);
return nbuf;