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qcacmn: discard rx mgmt frame if decrypt error

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If RX mgmt frame is received with error decryption,
discard it in WMI layer earlier to prevent further
processing and introducing unexpected behavior, do this
for MCL only.

Change-Id: I3d0f0ca72ae497012f93f39739b727692098ba2d
CRs-Fixed: 2296371
This commit is contained in:
Jinwei Chen 2018-08-20 11:31:31 +08:00 • committed by nshrivas
commit 2e590ab62b
1 changed files with 13 additions and 0 deletions
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13
wmi/src/wmi_unified_tlv.c
View file

@ -17891,6 +17891,13 @@ static QDF_STATUS extract_ext_tbttoffset_update_params_tlv(void *wmi_hdl,
return QDF_STATUS_SUCCESS;
}
#ifdef CONFIG_MCL
#define IS_WMI_RX_MGMT_FRAME_STATUS_INVALID(_status) \
((_status) & WMI_RXERR_DECRYPT)
#else
#define IS_WMI_RX_MGMT_FRAME_STATUS_INVALID(_status) false
#endif
/**
* extract_mgmt_rx_params_tlv() - extract management rx params from event
* @wmi_handle: wmi handle
@ -17920,6 +17927,12 @@ static QDF_STATUS extract_mgmt_rx_params_tlv(wmi_unified_t wmi_handle,
return QDF_STATUS_E_INVAL;
}
if (IS_WMI_RX_MGMT_FRAME_STATUS_INVALID(ev_hdr->status)) {
WMI_LOGE("%s: RX mgmt frame decrypt error, discard it",
__func__);
return QDF_STATUS_E_INVAL;
}
hdr->pdev_id = wmi_handle->ops->convert_pdev_id_target_to_host(
ev_hdr->pdev_id);