samsung-sm8650/android_kernel_samsung_sm8650-modules
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

qcacld-3.0: Refactor lim_is_pkt_candidate_for_drop()

Browse Source 
refactor lim_is_pkt_candidate_for_drop function to
include logic IBSS mode.

Change-Id: I3446e8f4d373e8f88d56d010a48a70cecf4b3062
CRs-Fixed: 2232890
This commit is contained in:
Arif Hussain
2018-04-30 19:04:29 -07:00
committed by nshrivas
parent 6125c29a2d
commit fe3de0de42
1 changed files with 11 additions and 20 deletions
Download Patch File Download Diff File Expand all files Collapse all files

25
core/mac/src/pe/lim/lim_api.c
View File

@@ -2654,29 +2654,17 @@ tMgmtFrmDropReason lim_is_pkt_candidate_for_drop(tpAniSirGlobal pMac,
if ((subType == SIR_MAC_MGMT_BEACON) || if ((subType == SIR_MAC_MGMT_BEACON) ||
(subType == SIR_MAC_MGMT_PROBE_RSP)) { (subType == SIR_MAC_MGMT_PROBE_RSP)) {
if (lim_is_beacon_miss_scenario(pMac, pRxPacketInfo)) { if (lim_is_beacon_miss_scenario(pMac, pRxPacketInfo)) {
MTRACE(mac_trace MTRACE(mac_trace(pMac, TRACE_CODE_INFO_LOG, 0,
(pMac, TRACE_CODE_INFO_LOG, 0,
eLOG_NODROP_MISSED_BEACON_SCENARIO)); eLOG_NODROP_MISSED_BEACON_SCENARIO));
return eMGMT_DROP_NO_DROP; return eMGMT_DROP_NO_DROP;
} }
if (lim_is_system_in_scan_state(pMac)) { if (lim_is_system_in_scan_state(pMac))
return eMGMT_DROP_NO_DROP; return eMGMT_DROP_NO_DROP;
} else if (WMA_IS_RX_IN_SCAN(pRxPacketInfo)) { else if (WMA_IS_RX_IN_SCAN(pRxPacketInfo))
return eMGMT_DROP_SCAN_MODE_FRAME; return eMGMT_DROP_SCAN_MODE_FRAME;
} else {
/* Beacons and probe responses can come in any time
* because of parallel scans. Don't drop them.
*/
return eMGMT_DROP_NO_DROP;
}
}
framelen = WMA_GET_RX_PAYLOAD_LEN(pRxPacketInfo); framelen = WMA_GET_RX_PAYLOAD_LEN(pRxPacketInfo);
pBody = WMA_GET_RX_MPDU_DATA(pRxPacketInfo); pBody = WMA_GET_RX_MPDU_DATA(pRxPacketInfo);
/* Drop INFRA Beacons and Probe Responses in IBSS Mode */
if ((subType == SIR_MAC_MGMT_BEACON) ||
(subType == SIR_MAC_MGMT_PROBE_RSP)) {
/* drop the frame if length is less than 12 */ /* drop the frame if length is less than 12 */
if (framelen < LIM_MIN_BCN_PR_LENGTH) if (framelen < LIM_MIN_BCN_PR_LENGTH)
return eMGMT_DROP_INVALID_SIZE; return eMGMT_DROP_INVALID_SIZE;
@@ -2690,14 +2678,17 @@ tMgmtFrmDropReason lim_is_pkt_candidate_for_drop(tpAniSirGlobal pMac,
if (!capabilityInfo.ibss) if (!capabilityInfo.ibss)
return eMGMT_DROP_NO_DROP; return eMGMT_DROP_NO_DROP;
/* Drop INFRA Beacons and Probe Responses in IBSS Mode */
/* This can be enhanced to even check the SSID before deciding to enque the frame. */ /* This can be enhanced to even check the SSID before deciding to enque the frame. */
if (capabilityInfo.ess) if (capabilityInfo.ess)
return eMGMT_DROP_INFRA_BCN_IN_IBSS; return eMGMT_DROP_INFRA_BCN_IN_IBSS;
} else if ((subType == SIR_MAC_MGMT_PROBE_REQ) && } else if ((subType == SIR_MAC_MGMT_PROBE_REQ) &&
(!WMA_GET_RX_BEACON_SENT(pRxPacketInfo))) { (!WMA_GET_RX_BEACON_SENT(pRxPacketInfo))) {
pHdr = WMA_GET_RX_MAC_HEADER(pRxPacketInfo); pHdr = WMA_GET_RX_MAC_HEADER(pRxPacketInfo);
psessionEntry = psessionEntry = pe_find_session_by_bssid(pMac,
pe_find_session_by_bssid(pMac, pHdr->bssId, &sessionId); pHdr->bssId,
&sessionId);
if ((psessionEntry && !LIM_IS_IBSS_ROLE(psessionEntry)) || if ((psessionEntry && !LIM_IS_IBSS_ROLE(psessionEntry)) ||
(!psessionEntry)) (!psessionEntry))
return eMGMT_DROP_NO_DROP; return eMGMT_DROP_NO_DROP;