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qcacmn: Handle tx_sniffer pakcets

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Send tx_sniffer to firmware and handle ppdu completions accordingly.

Change-Id: Id19a8cba4fdcad88bca6ade8c30a587c2da26d19
This commit is contained in:
Varsha Mishra
2019-05-28 11:54:46 +05:30
committed by nshrivas
parent 92e3f61248
commit 27c5bd3193
6 changed files with 107 additions and 15 deletions
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86
dp/wifi3.0/dp_tx.c
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@@ -74,12 +74,13 @@ static const uint8_t sec_type_map[MAX_CDP_SEC_TYPE] = {
* @queue: queue ids container for nbuf
*
* TX packet queue has 2 instances, software descriptors id and dma ring id
* Based on tx feature and hardware configuration queue id combination could be
* different.
* Based on tx feature and hardware configuration queue id combination
* could be different.
* For example -
* With XPS enabled,all TX descriptor pools and dma ring are assigned per cpu id
* With no XPS,lock based resource protection, Descriptor pool ids are different
* for each vdev, dma ring id will be same as single pdev id
* With XPS enabled,all TX descriptor pools and dma ring are assigned
* per cpu id
* With no XPS,lock based resource protection, Descriptor pool ids are
* different for each vdev, dma ring id will be same as single pdev id
*
* Return: None
*/
@@ -256,6 +257,7 @@ dp_tx_desc_release(struct dp_tx_desc_s *tx_desc, uint8_t desc_pool_id)
* dp_tx_htt_metadata_prepare() - Prepare HTT metadata for special frames
* @vdev: DP vdev Handle
* @nbuf: skb
* @msdu_info: msdu_info required to create HTT metadata
*
* Prepares and fills HTT metadata in the frame pre-header for special frames
* that should be transmitted using varying transmit parameters.
@@ -267,8 +269,9 @@ dp_tx_desc_release(struct dp_tx_desc_s *tx_desc, uint8_t desc_pool_id)
*
*/
static uint8_t dp_tx_prepare_htt_metadata(struct dp_vdev *vdev, qdf_nbuf_t nbuf,
uint32_t *meta_data)
struct dp_tx_msdu_info_s *msdu_info)
{
uint32_t *meta_data = msdu_info->meta_data;
struct htt_tx_msdu_desc_ext2_t *desc_ext =
(struct htt_tx_msdu_desc_ext2_t *) meta_data;
@@ -285,7 +288,7 @@ static uint8_t dp_tx_prepare_htt_metadata(struct dp_vdev *vdev, qdf_nbuf_t nbuf,
htt_desc_size = sizeof(struct htt_tx_msdu_desc_ext2_t);
htt_desc_size_aligned = (htt_desc_size + 7) & ~0x7;
if (vdev->mesh_vdev) {
if (vdev->mesh_vdev || msdu_info->is_tx_sniffer) {
if (qdf_unlikely(qdf_nbuf_headroom(nbuf) <
htt_desc_size_aligned)) {
DP_STATS_INC(vdev,
@@ -732,8 +735,9 @@ struct dp_tx_desc_s *dp_tx_prepare_desc_single(struct dp_vdev *vdev,
/* Initialize the SW tx descriptor */
tx_desc->nbuf = nbuf;
tx_desc->frm_type = dp_tx_frm_std;
tx_desc->tx_encap_type = (tx_exc_metadata ?
tx_exc_metadata->tx_encap_type : vdev->tx_encap_type);
tx_desc->tx_encap_type = ((tx_exc_metadata &&
(tx_exc_metadata->tx_encap_type != CDP_INVALID_TX_ENCAP_TYPE)) ?
tx_exc_metadata->tx_encap_type : vdev->tx_encap_type);
tx_desc->vdev = vdev;
tx_desc->pdev = pdev;
tx_desc->msdu_ext_desc = NULL;
@@ -773,7 +777,9 @@ struct dp_tx_desc_s *dp_tx_prepare_desc_single(struct dp_vdev *vdev,
* |-----------------------------|
*/
if (qdf_unlikely((msdu_info->exception_fw)) ||
(vdev->opmode == wlan_op_mode_ocb)) {
(vdev->opmode == wlan_op_mode_ocb) ||
(tx_exc_metadata &&
tx_exc_metadata->is_tx_sniffer)) {
align_pad = ((unsigned long) qdf_nbuf_data(nbuf)) & 0x7;
if (qdf_unlikely(qdf_nbuf_headroom(nbuf) < align_pad)) {
@@ -789,7 +795,7 @@ struct dp_tx_desc_s *dp_tx_prepare_desc_single(struct dp_vdev *vdev,
}
htt_hdr_size = dp_tx_prepare_htt_metadata(vdev, nbuf,
msdu_info->meta_data);
msdu_info);
if (htt_hdr_size == 0)
goto failure;
tx_desc->pkt_offset = align_pad + htt_hdr_size;
@@ -1009,7 +1015,8 @@ static QDF_STATUS dp_tx_hw_enqueue(struct dp_soc *soc, struct dp_vdev *vdev,
qdf_dma_addr_t dma_addr;
uint8_t cached_desc[HAL_TX_DESC_LEN_BYTES];
enum cdp_sec_type sec_type = (tx_exc_metadata ?
enum cdp_sec_type sec_type = ((tx_exc_metadata &&
tx_exc_metadata->sec_type != CDP_INVALID_SEC_TYPE) ?
tx_exc_metadata->sec_type : vdev->sec_type);
/* Return Buffer Manager ID */
@@ -1758,6 +1765,36 @@ static qdf_nbuf_t dp_tx_prepare_sg(struct dp_vdev *vdev, qdf_nbuf_t nbuf,
return nbuf;
}
/**
* dp_tx_add_tx_sniffer_meta_data()- Add tx_sniffer meta hdr info
* @vdev: DP vdev handle
* @msdu_info: MSDU info to be setup in MSDU descriptor and MSDU extension desc.
* @ppdu_cookie: PPDU cookie that should be replayed in the ppdu completions
*
* Return: NULL on failure,
* nbuf when extracted successfully
*/
static
void dp_tx_add_tx_sniffer_meta_data(struct dp_vdev *vdev,
struct dp_tx_msdu_info_s *msdu_info,
uint16_t ppdu_cookie)
{
struct htt_tx_msdu_desc_ext2_t *meta_data =
(struct htt_tx_msdu_desc_ext2_t *)&msdu_info->meta_data[0];
qdf_mem_zero(meta_data, sizeof(struct htt_tx_msdu_desc_ext2_t));
HTT_TX_MSDU_EXT2_DESC_FLAG_SEND_AS_STANDALONE_SET
(msdu_info->meta_data[5], 1);
HTT_TX_MSDU_EXT2_DESC_FLAG_HOST_OPAQUE_VALID_SET
(msdu_info->meta_data[5], 1);
HTT_TX_MSDU_EXT2_DESC_HOST_OPAQUE_COOKIE_SET
(msdu_info->meta_data[6], ppdu_cookie);
msdu_info->exception_fw = 1;
msdu_info->is_tx_sniffer = 1;
}
#ifdef MESH_MODE_SUPPORT
/**
@@ -1862,9 +1899,17 @@ qdf_nbuf_t dp_tx_extract_mesh_meta_data(struct dp_vdev *vdev, qdf_nbuf_t nbuf,
*/
static bool dp_check_exc_metadata(struct cdp_tx_exception_metadata *tx_exc)
{
if ((tx_exc->tid > DP_MAX_TIDS && tx_exc->tid != HTT_INVALID_TID) ||
tx_exc->tx_encap_type > htt_cmn_pkt_num_types ||
tx_exc->sec_type > cdp_num_sec_types) {
bool invalid_tid = (tx_exc->tid > DP_MAX_TIDS && tx_exc->tid !=
HTT_INVALID_TID);
bool invalid_encap_type = (tx_exc->tid > DP_MAX_TIDS && tx_exc->tid !=
HTT_INVALID_TID);
bool invalid_sec_type = (tx_exc->sec_type > cdp_num_sec_types &&
tx_exc->sec_type != CDP_INVALID_SEC_TYPE);
bool invalid_cookie = (tx_exc->is_tx_sniffer == 1 &&
tx_exc->ppdu_cookie == 0);
if (invalid_tid || invalid_encap_type || invalid_sec_type ||
invalid_cookie) {
return false;
}
@@ -1892,6 +1937,9 @@ qdf_nbuf_t dp_tx_send_exception(void *vap_dev, qdf_nbuf_t nbuf,
qdf_mem_zero(&msdu_info, sizeof(msdu_info));
if (!tx_exc_metadata)
goto fail;
msdu_info.tid = tx_exc_metadata->tid;
eh = (qdf_ether_header_t *)qdf_nbuf_data(nbuf);
@@ -1940,6 +1988,14 @@ qdf_nbuf_t dp_tx_send_exception(void *vap_dev, qdf_nbuf_t nbuf,
}
}
if (qdf_likely(tx_exc_metadata->is_tx_sniffer)) {
DP_STATS_INC_PKT(vdev, tx_i.sniffer_rcvd, 1,
qdf_nbuf_len(nbuf));
dp_tx_add_tx_sniffer_meta_data(vdev, &msdu_info,
tx_exc_metadata->ppdu_cookie);
}
/*
* Get HW Queue to use for this frame.
* TCL supports upto 4 DMA rings, out of which 3 rings are