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qcacld-3.0: Fix the IOT issue with TxBF CSN value

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Advertise the min of self TxBF CSN and APs TxBF CSN value to
fix the IOT issue with the AP.

Change-Id: Ifa2872ef62925f99bf49ef504ade4a4bb431672b
CRs-Fixed: 2158667
This commit is contained in:
Kiran Kumar Lokere
2017-12-13 14:42:59 -08:00
committed by snandini
parent d523f0dcab
commit 9493c72d73
1 changed files with 10 additions and 12 deletions
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22
core/sme/src/csr/csr_api_roam.c
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@@ -14810,6 +14810,7 @@ QDF_STATUS csr_send_join_req_msg(tpAniSirGlobal pMac, uint32_t sessionId,
tpCsrNeighborRoamControlInfo neigh_roam_info; tpCsrNeighborRoamControlInfo neigh_roam_info;
uint32_t value = 0, value1 = 0; uint32_t value = 0, value1 = 0;
QDF_STATUS packetdump_timer_status; QDF_STATUS packetdump_timer_status;
tDot11fIEVHTCaps *vht_caps = NULL;
if (!pSession) { if (!pSession) {
sme_err("session %d not found", sessionId); sme_err("session %d not found", sessionId);
@@ -15313,8 +15314,12 @@ QDF_STATUS csr_send_join_req_msg(tpAniSirGlobal pMac, uint32_t sessionId,
csr_join_req->vht_config.su_beam_formee = value; csr_join_req->vht_config.su_beam_formee = value;
if (pIes->VHTCaps.present)
vht_caps = &pIes->VHTCaps;
else if (pIes->vendor_vht_ie.VHTCaps.present)
vht_caps = &pIes->vendor_vht_ie.VHTCaps;
/* Set BF CSN value only if SU Bformee is enabled */ /* Set BF CSN value only if SU Bformee is enabled */
if (csr_join_req->vht_config.su_beam_formee) { if (vht_caps && csr_join_req->vht_config.su_beam_formee) {
txBFCsnValue = (uint8_t)value1; txBFCsnValue = (uint8_t)value1;
/* /*
* Certain commercial AP display a bad behavior when * Certain commercial AP display a bad behavior when
@@ -15324,18 +15329,11 @@ QDF_STATUS csr_send_join_req_msg(tpAniSirGlobal pMac, uint32_t sessionId,
* CSN cap of less than 4. To avoid such issues, take a * CSN cap of less than 4. To avoid such issues, take a
* min of self and peer CSN while sending ASSOC request. * min of self and peer CSN while sending ASSOC request.
*/ */
if (txBFCsnValue < 4) { if (pIes->Vendor1IE.present &&
if (IS_BSS_VHT_CAPABLE(pIes->VHTCaps) && vht_caps->csnofBeamformerAntSup < 4) {
pIes->VHTCaps.csnofBeamformerAntSup) if (vht_caps->csnofBeamformerAntSup)
txBFCsnValue = QDF_MIN(txBFCsnValue, txBFCsnValue = QDF_MIN(txBFCsnValue,
pIes->VHTCaps.csnofBeamformerAntSup); vht_caps->csnofBeamformerAntSup);
else if (IS_BSS_VHT_CAPABLE(
pIes->vendor_vht_ie.VHTCaps)
&& pIes->vendor_vht_ie.VHTCaps.
csnofBeamformerAntSup)
txBFCsnValue = QDF_MIN(txBFCsnValue,
pIes->vendor_vht_ie.
VHTCaps.csnofBeamformerAntSup);
} }
} }
csr_join_req->vht_config.csnof_beamformer_antSup = txBFCsnValue; csr_join_req->vht_config.csnof_beamformer_antSup = txBFCsnValue;