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qcacld-3.0: Add check for mgmt/ctrl rx packets in pkt capture

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Deliver management and control rx packets to monitor interface
only if corresponding filter is set by vendor command.

Change-Id: I9aeb8071cfc6207359f8d7ec74af2a21e2742d1e
CRs-Fixed: 3044857
This commit is contained in:
Surabhi Vishnoi
2021-09-03 11:19:20 +05:30
committed by Madan Koyyalamudi
parent eca8d632a1
commit aa11b6825c
1 changed files with 38 additions and 2 deletions
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40
components/pkt_capture/core/src/wlan_pkt_capture_mgmt_txrx.c
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@@ -426,6 +426,7 @@ pkt_capture_mgmt_rx_data_cb(struct wlan_objmgr_psoc *psoc,
enum mgmt_frame_type frm_type)
{
struct mon_rx_status txrx_status = {0};
struct pkt_capture_vdev_priv *vdev_priv;
struct ieee80211_frame *wh;
tpSirMacFrameCtl pfc;
qdf_nbuf_t nbuf;
@@ -433,11 +434,44 @@ pkt_capture_mgmt_rx_data_cb(struct wlan_objmgr_psoc *psoc,
struct wlan_objmgr_vdev *vdev;
struct wlan_objmgr_pdev *pdev;
if (!(pkt_capture_get_pktcap_mode(psoc) & PKT_CAPTURE_MODE_MGMT_ONLY)) {
vdev = pkt_capture_get_vdev();
if (!vdev) {
pkt_capture_err("vdev is NULL");
qdf_nbuf_free(wbuf);
return QDF_STATUS_E_FAILURE;
}
vdev_priv = pkt_capture_vdev_get_priv(vdev);
if (!vdev_priv) {
pkt_capture_err("packet capture vdev priv is NULL");
qdf_nbuf_free(wbuf);
return QDF_STATUS_E_FAILURE;
}
pfc = (tpSirMacFrameCtl)(qdf_nbuf_data(wbuf));
if (pfc->type == SIR_MAC_CTRL_FRAME &&
!vdev_priv->frame_filter.ctrl_rx_frame_filter)
goto exit;
if (pfc->type == SIR_MAC_MGMT_FRAME &&
!vdev_priv->frame_filter.mgmt_rx_frame_filter)
goto exit;
if (pfc->type == SIR_MAC_MGMT_FRAME) {
if (pfc->subType == SIR_MAC_MGMT_BEACON) {
if (vdev_priv->frame_filter.mgmt_rx_frame_filter &
PKT_CAPTURE_MGMT_CONNECT_NO_BEACON)
goto exit;
} else {
if (!((vdev_priv->frame_filter.mgmt_rx_frame_filter &
PKT_CAPTURE_MGMT_FRAME_TYPE_ALL) ||
(vdev_priv->frame_filter.mgmt_rx_frame_filter &
PKT_CAPTURE_MGMT_CONNECT_NO_BEACON)))
goto exit;
}
}
buf_len = qdf_nbuf_len(wbuf);
nbuf = qdf_nbuf_alloc(NULL, roundup(
buf_len + RESERVE_BYTES, 4),
@@ -455,7 +489,6 @@ pkt_capture_mgmt_rx_data_cb(struct wlan_objmgr_psoc *psoc,
pfc = (tpSirMacFrameCtl)(qdf_nbuf_data(nbuf));
wh = (struct ieee80211_frame *)qdf_nbuf_data(nbuf);
vdev = pkt_capture_get_vdev();
pdev = wlan_vdev_get_pdev(vdev);
if ((pfc->type == IEEE80211_FC0_TYPE_MGT) &&
@@ -501,6 +534,9 @@ pkt_capture_mgmt_rx_data_cb(struct wlan_objmgr_psoc *psoc,
qdf_nbuf_free(nbuf);
return QDF_STATUS_SUCCESS;
exit:
qdf_nbuf_free(wbuf);
return QDF_STATUS_SUCCESS;
}
QDF_STATUS pkt_capture_mgmt_rx_ops(struct wlan_objmgr_psoc *psoc,