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qcacmn: Enable TSO Stats for Lithium based products

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Add support to account for TSO jumbo packets on the
Tx path and print the statistics using dumpStats 3.

Change-Id: I6cc446df5c84e3ac436d922935fcd559e0704ec5
CRs-Fixed: 2356244
This commit is contained in:
Venkata Sharath Chandra Manchala
2018-10-05 13:04:18 -07:00
committed by nshrivas
parent 2b07141773
commit 8a4812f7fc
11 changed files with 544 additions and 38 deletions
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37
dp/wifi3.0/dp_tx.c
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@@ -215,6 +215,7 @@ static void dp_tx_tso_desc_release(struct dp_soc *soc,
dp_tso_num_seg_free(soc, tx_desc->pool_id,
tx_desc->tso_num_desc);
tx_desc->tso_num_desc = NULL;
DP_STATS_INC(tx_desc->pdev, tso_stats.tso_comp, 1);
}
/* Add the tso segment into the free list*/
@@ -497,6 +498,28 @@ static void dp_tx_unmap_tso_seg_list(
}
}
#ifdef FEATURE_TSO_STATS
/**
* dp_tso_get_stats_idx: Retrieve the tso packet id
* @pdev - pdev handle
*
* Return: id
*/
static uint32_t dp_tso_get_stats_idx(struct dp_pdev *pdev)
{
uint32_t stats_idx;
stats_idx = (((uint32_t)qdf_atomic_inc_return(&pdev->tso_idx))
% CDP_MAX_TSO_PACKETS);
return stats_idx;
}
#else
static int dp_tso_get_stats_idx(struct dp_pdev *pdev)
{
return 0;
}
#endif /* FEATURE_TSO_STATS */
/**
* dp_tx_free_remaining_tso_desc() - do dma unmap for tso segments if any,
* free the tso segments descriptor and
@@ -542,9 +565,9 @@ static QDF_STATUS dp_tx_prepare_tso(struct dp_vdev *vdev,
struct qdf_tso_seg_elem_t *tso_seg;
int num_seg = qdf_nbuf_get_tso_num_seg(msdu);
struct dp_soc *soc = vdev->pdev->soc;
struct dp_pdev *pdev = vdev->pdev;
struct qdf_tso_info_t *tso_info;
struct qdf_tso_num_seg_elem_t *tso_num_seg;
tso_info = &msdu_info->u.tso_info;
tso_info->curr_seg = NULL;
tso_info->tso_seg_list = NULL;
@@ -605,6 +628,12 @@ static QDF_STATUS dp_tx_prepare_tso(struct dp_vdev *vdev,
tso_info->curr_seg = tso_info->tso_seg_list;
tso_info->msdu_stats_idx = dp_tso_get_stats_idx(pdev);
dp_tso_packet_update(pdev, tso_info->msdu_stats_idx,
msdu, msdu_info->num_seg);
dp_tso_segment_stats_update(pdev, tso_info->tso_seg_list,
tso_info->msdu_stats_idx);
dp_stats_tso_segment_histogram_update(pdev, msdu_info->num_seg);
return QDF_STATUS_SUCCESS;
}
#else
@@ -2244,11 +2273,11 @@ qdf_nbuf_t dp_tx_send(struct cdp_vdev *vap_dev, qdf_nbuf_t nbuf)
*/
if (qdf_nbuf_is_tso(nbuf)) {
dp_verbose_debug("TSO frame %pK", vdev);
DP_STATS_INC_PKT(vdev, tx_i.tso.tso_pkt, 1,
qdf_nbuf_len(nbuf));
DP_STATS_INC_PKT(vdev->pdev, tso_stats.num_tso_pkts, 1,
qdf_nbuf_len(nbuf));
if (dp_tx_prepare_tso(vdev, nbuf, &msdu_info)) {
DP_STATS_INC_PKT(vdev, tx_i.tso.dropped_host, 1,
DP_STATS_INC_PKT(vdev->pdev, tso_stats.dropped_host, 1,
qdf_nbuf_len(nbuf));
return nbuf;
}