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qcacld-3.0: Move the code related to sending roam frames to a separate file

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Move the routines which help in building and sending the roaming
related management frames into a separate file for easy
maintenance across different projects

CRs-Fixed: 978905
Change-Id: If8e5cbdabef7747e58359961c3b13c577eb3b777
This commit is contained in:
Varun Reddy Yeturu
2016-02-11 10:09:20 -08:00
committed by Gerrit - the friendly Code Review server
parent 99ff7f0b1a
commit b6ef113b4b
3 changed files with 802 additions and 741 deletions
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@@ -427,6 +427,7 @@ MAC_LIM_OBJS := $(MAC_SRC_DIR)/pe/lim/lim_aid_mgmt.o \
$(MAC_SRC_DIR)/pe/lim/lim_scan_result_utils.o \ $(MAC_SRC_DIR)/pe/lim/lim_scan_result_utils.o \
$(MAC_SRC_DIR)/pe/lim/lim_security_utils.o \ $(MAC_SRC_DIR)/pe/lim/lim_security_utils.o \
$(MAC_SRC_DIR)/pe/lim/lim_send_management_frames.o \ $(MAC_SRC_DIR)/pe/lim/lim_send_management_frames.o \
$(MAC_SRC_DIR)/pe/lim/lim_send_frames_host_roam.o \
$(MAC_SRC_DIR)/pe/lim/lim_send_messages.o \ $(MAC_SRC_DIR)/pe/lim/lim_send_messages.o \
$(MAC_SRC_DIR)/pe/lim/lim_send_sme_rsp_messages.o \ $(MAC_SRC_DIR)/pe/lim/lim_send_sme_rsp_messages.o \
$(MAC_SRC_DIR)/pe/lim/lim_ser_des_utils.o \ $(MAC_SRC_DIR)/pe/lim/lim_ser_des_utils.o \

801
core/mac/src/pe/lim/lim_send_frames_host_roam.c Normal file
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@@ -0,0 +1,801 @@
/*
* Copyright (c) 2016 The Linux Foundation. All rights reserved.
*
* Previously licensed under the ISC license by Qualcomm Atheros, Inc.
*
* Permission to use, copy, modify, and/or distribute this software for
* any purpose with or without fee is hereby granted, provided that the
* above copyright notice and this permission notice appear in all
* copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
* WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
* AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
* DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
* PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
* PERFORMANCE OF THIS SOFTWARE.
*/
/**
* DOC: lim_send_frames_host_roam.c
*
* Send management frames for host based roaming
*/
#include "sir_api.h"
#include "ani_global.h"
#include "sir_mac_prot_def.h"
#include "cfg_api.h"
#include "utils_api.h"
#include "lim_types.h"
#include "lim_utils.h"
#include "lim_security_utils.h"
#include "lim_prop_exts_utils.h"
#include "dot11f.h"
#include "lim_sta_hash_api.h"
#include "sch_api.h"
#include "lim_send_messages.h"
#include "lim_assoc_utils.h"
#include "lim_ft.h"
#ifdef WLAN_FEATURE_11W
#include "wni_cfg.h"
#endif
#include "lim_ft_defs.h"
#include "lim_session.h"
#include "qdf_types.h"
#include "qdf_trace.h"
#include "cds_utils.h"
#include "sme_trace.h"
#include "rrm_api.h"
#include "wma_types.h"
/**
* lim_send_reassoc_req_with_ft_ies_mgmt_frame() - Send Reassoc Req with FTIEs.
*
* @mac_ctx: Handle to mac context
* @mlm_reassoc_req: Original reassoc request
* @pe_session: PE session information
*
* It builds a reassoc request with FT IEs and sends it to AP through WMA.
* Then it creates assoc request and stores it for sending after join
* confirmation.
*
* Return: None
*/
void lim_send_reassoc_req_with_ft_ies_mgmt_frame(tpAniSirGlobal mac_ctx,
tLimMlmReassocReq *mlm_reassoc_req,
tpPESession pe_session)
{
static tDot11fReAssocRequest frm;
uint16_t caps;
uint8_t *frame;
uint32_t bytes, payload, status;
uint8_t qos_enabled, wme_enabled, wsm_enabled;
void *packet;
QDF_STATUS qdf_status;
uint8_t power_caps_populated = false;
uint16_t ft_ies_length = 0;
uint8_t *body;
uint16_t add_ie_len;
uint8_t *add_ie;
uint8_t *wps_ie = NULL;
uint8_t tx_flag = 0;
uint8_t sme_sessionid = 0;
bool vht_enabled = false;
tpSirMacMgmtHdr mac_hdr;
tftSMEContext *ft_sme_context;
if (NULL == pe_session)
return;
sme_sessionid = pe_session->smeSessionId;
/* check this early to avoid unncessary operation */
if (NULL == pe_session->pLimReAssocReq)
return;
add_ie_len = pe_session->pLimReAssocReq->addIEAssoc.length;
add_ie = pe_session->pLimReAssocReq->addIEAssoc.addIEdata;
lim_log(mac_ctx, LOG1,
FL("called in state (%d)."), pe_session->limMlmState);
qdf_mem_set((uint8_t *) &frm, sizeof(frm), 0);
caps = mlm_reassoc_req->capabilityInfo;
#if defined(FEATURE_WLAN_WAPI)
/*
* According to WAPI standard:
* 7.3.1.4 Capability Information field
* In WAPI, non-AP STAs within an ESS set the Privacy subfield
* to 0 in transmitted Association or Reassociation management
* frames. APs ignore the Privacy subfield within received
* Association and Reassociation management frames.
*/
if (pe_session->encryptType == eSIR_ED_WPI)
((tSirMacCapabilityInfo *) &caps)->privacy = 0;
#endif
swap_bit_field16(caps, (uint16_t *) &frm.Capabilities);
frm.ListenInterval.interval = mlm_reassoc_req->listenInterval;
/*
* Get the old bssid of the older AP.
* The previous ap bssid is stored in the FT Session
* while creating the PE FT Session for reassociation.
*/
qdf_mem_copy((uint8_t *)frm.CurrentAPAddress.mac,
pe_session->prev_ap_bssid, sizeof(tSirMacAddr));
populate_dot11f_ssid2(mac_ctx, &frm.SSID);
populate_dot11f_supp_rates(mac_ctx, POPULATE_DOT11F_RATES_OPERATIONAL,
&frm.SuppRates, pe_session);
qos_enabled = (pe_session->limQosEnabled) &&
SIR_MAC_GET_QOS(pe_session->limReassocBssCaps);
wme_enabled = (pe_session->limWmeEnabled) &&
LIM_BSS_CAPS_GET(WME, pe_session->limReassocBssQosCaps);
wsm_enabled = (pe_session->limWsmEnabled) && wme_enabled &&
LIM_BSS_CAPS_GET(WSM, pe_session->limReassocBssQosCaps);
if (pe_session->lim11hEnable &&
pe_session->pLimReAssocReq->spectrumMgtIndicator == eSIR_TRUE) {
power_caps_populated = true;
populate_dot11f_power_caps(mac_ctx, &frm.PowerCaps,
LIM_REASSOC, pe_session);
populate_dot11f_supp_channels(mac_ctx, &frm.SuppChannels,
LIM_REASSOC, pe_session);
}
if (mac_ctx->rrm.rrmPEContext.rrmEnable &&
SIR_MAC_GET_RRM(pe_session->limCurrentBssCaps)) {
if (power_caps_populated == false) {
power_caps_populated = true;
populate_dot11f_power_caps(mac_ctx, &frm.PowerCaps,
LIM_REASSOC, pe_session);
}
}
if (qos_enabled)
populate_dot11f_qos_caps_station(mac_ctx, &frm.QOSCapsStation);
populate_dot11f_ext_supp_rates(mac_ctx,
POPULATE_DOT11F_RATES_OPERATIONAL, &frm.ExtSuppRates,
pe_session);
if (mac_ctx->rrm.rrmPEContext.rrmEnable &&
SIR_MAC_GET_RRM(pe_session->limCurrentBssCaps))
populate_dot11f_rrm_ie(mac_ctx, &frm.RRMEnabledCap, pe_session);
/*
* Ideally this should be enabled for 11r also. But 11r does
* not follow the usual norm of using the Opaque object
* for rsnie and fties. Instead we just add the rsnie and fties
* at the end of the pack routine for 11r.
* This should ideally! be fixed.
*/
/*
* The join request *should* contain zero or one of the WPA and RSN
* IEs. The payload send along with the request is a
* 'tSirSmeJoinReq'; the IE portion is held inside a 'tSirRSNie':
*
* typedef struct sSirRSNie
* {
* uint16_t length;
* uint8_t rsnIEdata[SIR_MAC_MAX_IE_LENGTH+2];
* } tSirRSNie, *tpSirRSNie;
*
* So, we should be able to make the following two calls harmlessly,
* since they do nothing if they don't find the given IE in the
* bytestream with which they're provided.
*
* The net effect of this will be to faithfully transmit whatever
* security IE is in the join request.
* However, if we're associating for the purpose of WPS
* enrollment, and we've been configured to indicate that by
* eliding the WPA or RSN IE, we just skip this:
*/
if (!pe_session->is11Rconnection) {
if (add_ie_len && add_ie)
wps_ie = limGetWscIEPtr(mac_ctx, add_ie, add_ie_len);
if (NULL == wps_ie) {
populate_dot11f_rsn_opaque(mac_ctx,
&(pe_session->pLimReAssocReq->rsnIE),
&frm.RSNOpaque);
populate_dot11f_wpa_opaque(mac_ctx,
&(pe_session->pLimReAssocReq->rsnIE),
&frm.WPAOpaque);
}
#ifdef FEATURE_WLAN_ESE
if (pe_session->pLimReAssocReq->cckmIE.length) {
populate_dot11f_ese_cckm_opaque(mac_ctx,
&(pe_session->pLimReAssocReq->cckmIE),
&frm.ESECckmOpaque);
}
#endif
}
#ifdef FEATURE_WLAN_ESE
/*
* ESE Version IE will be included in re-association request
* when ESE is enabled on DUT through ini and it is also
* advertised by the peer AP to which we are trying to
* associate to.
*/
if (pe_session->is_ese_version_ie_present &&
mac_ctx->roam.configParam.isEseIniFeatureEnabled)
populate_dot11f_ese_version(&frm.ESEVersion);
/* For ESE Associations fill the ESE IEs */
if (pe_session->isESEconnection &&
pe_session->pLimReAssocReq->isESEFeatureIniEnabled) {
#ifndef FEATURE_DISABLE_RM
populate_dot11f_ese_rad_mgmt_cap(&frm.ESERadMgmtCap);
#endif
}
#endif /* FEATURE_WLAN_ESE */
/* include WME EDCA IE as well */
if (wme_enabled) {
populate_dot11f_wmm_info_station_per_session(mac_ctx,
pe_session, &frm.WMMInfoStation);
if (wsm_enabled)
populate_dot11f_wmm_caps(&frm.WMMCaps);
#ifdef FEATURE_WLAN_ESE
if (pe_session->isESEconnection) {
uint32_t phymode;
uint8_t rate;
populate_dot11f_re_assoc_tspec(mac_ctx, &frm,
pe_session);
/*
* Populate the TSRS IE if TSPEC is included in
* the reassoc request
*/
lim_get_phy_mode(mac_ctx, &phymode, pe_session);
if (phymode == WNI_CFG_PHY_MODE_11G ||
phymode == WNI_CFG_PHY_MODE_11A)
rate = TSRS_11AG_RATE_6MBPS;
else
rate = TSRS_11B_RATE_5_5MBPS;
if (pe_session->pLimReAssocReq->eseTspecInfo.
numTspecs) {
tSirMacESETSRSIE tsrs_ie;
tsrs_ie.tsid = 0;
tsrs_ie.rates[0] = rate;
populate_dot11_tsrsie(mac_ctx, &tsrs_ie,
&frm.ESETrafStrmRateSet,
sizeof(uint8_t));
}
}
#endif
}
ft_sme_context = &mac_ctx->roam.roamSession[sme_sessionid].ftSmeContext;
if (pe_session->htCapability &&
mac_ctx->lim.htCapabilityPresentInBeacon) {
populate_dot11f_ht_caps(mac_ctx, pe_session, &frm.HTCaps);
}
if (pe_session->pLimReAssocReq->bssDescription.mdiePresent &&
(ft_sme_context->addMDIE == true)
#if defined FEATURE_WLAN_ESE
&& !pe_session->isESEconnection
#endif
) {
populate_mdie(mac_ctx, &frm.MobilityDomain,
pe_session->pLimReAssocReq->bssDescription.mdie);
}
if (pe_session->vhtCapability &&
pe_session->vhtCapabilityPresentInBeacon) {
lim_log(mac_ctx, LOG1,
FL("Populate VHT IEs in Re-Assoc Request"));
populate_dot11f_vht_caps(mac_ctx, pe_session, &frm.VHTCaps);
vht_enabled = true;
populate_dot11f_ext_cap(mac_ctx, vht_enabled, &frm.ExtCap,
pe_session);
}
if (!vht_enabled &&
pe_session->is_vendor_specific_vhtcaps) {
lim_log(mac_ctx, LOG1,
FL("Populate Vendor VHT IEs in Re-Assoc Request"));
frm.vendor2_ie.present = 1;
frm.vendor2_ie.type =
pe_session->vendor_specific_vht_ie_type;
frm.vendor2_ie.sub_type =
pe_session->vendor_specific_vht_ie_sub_type;
frm.vendor2_ie.VHTCaps.present = 1;
populate_dot11f_vht_caps(mac_ctx, pe_session,
&frm.vendor2_ie.VHTCaps);
vht_enabled = true;
}
status = dot11f_get_packed_re_assoc_request_size(mac_ctx, &frm,
&payload);
if (DOT11F_FAILED(status)) {
lim_log(mac_ctx, LOGP,
FL("Failure in size calculation (0x%08x)."), status);
/* We'll fall back on the worst case scenario: */
payload = sizeof(tDot11fReAssocRequest);
} else if (DOT11F_WARNED(status)) {
lim_log(mac_ctx, LOGW,
FL("Warnings in size calculation(0x%08x)."), status);
}
bytes = payload + sizeof(tSirMacMgmtHdr) + add_ie_len;
lim_log(mac_ctx, LOG1, FL("FT IE Reassoc Req (%d)."),
ft_sme_context->reassoc_ft_ies_length);
if (pe_session->is11Rconnection)
ft_ies_length = ft_sme_context->reassoc_ft_ies_length;
qdf_status = cds_packet_alloc((uint16_t) bytes + ft_ies_length,
(void **)&frame, (void **)&packet);
if (!QDF_IS_STATUS_SUCCESS(qdf_status)) {
pe_session->limMlmState = pe_session->limPrevMlmState;
MTRACE(qdf_trace(QDF_MODULE_ID_PE, TRACE_CODE_MLM_STATE,
pe_session->peSessionId,
pe_session->limMlmState));
lim_log(mac_ctx, LOGP, FL("Failed to alloc memory %d"), bytes);
goto end;
}
/* Paranoia: */
qdf_mem_set(frame, bytes + ft_ies_length, 0);
lim_print_mac_addr(mac_ctx, pe_session->limReAssocbssId, LOG1);
/* Next, we fill out the buffer descriptor: */
lim_populate_mac_header(mac_ctx, frame, SIR_MAC_MGMT_FRAME,
SIR_MAC_MGMT_REASSOC_REQ, pe_session->limReAssocbssId,
pe_session->selfMacAddr);
mac_hdr = (tpSirMacMgmtHdr) frame;
/* That done, pack the ReAssoc Request: */
status = dot11f_pack_re_assoc_request(mac_ctx, &frm, frame +
sizeof(tSirMacMgmtHdr),
payload, &payload);
if (DOT11F_FAILED(status)) {
lim_log(mac_ctx, LOGE, FL("Failure in pack (0x%08x)."), status);
cds_packet_free((void *)packet);
goto end;
} else if (DOT11F_WARNED(status)) {
lim_log(mac_ctx, LOGW, FL("Warnings in pack (0x%08x)."),
status);
}
lim_log(mac_ctx, LOG3,
FL("*** Sending Re-Assoc Request length %d %d to "),
bytes, payload);
if (pe_session->assocReq != NULL) {
qdf_mem_free(pe_session->assocReq);
pe_session->assocReq = NULL;
pe_session->assocReqLen = 0;
}
if (add_ie_len) {
qdf_mem_copy(frame + sizeof(tSirMacMgmtHdr) + payload,
add_ie, add_ie_len);
payload += add_ie_len;
}
pe_session->assocReq = qdf_mem_malloc(payload);
if (NULL == pe_session->assocReq) {
lim_log(mac_ctx, LOGE, FL("Failed to alloc memory"));
} else {
/*
* Store the Assoc request. This is sent to csr/hdd in
* join cnf response.
*/
qdf_mem_copy(pe_session->assocReq,
frame + sizeof(tSirMacMgmtHdr), payload);
pe_session->assocReqLen = payload;
}
if (pe_session->is11Rconnection && ft_sme_context->reassoc_ft_ies) {
int i = 0;
body = frame + bytes;
for (i = 0; i < ft_ies_length; i++) {
*body = ft_sme_context->reassoc_ft_ies[i];
body++;
}
}
lim_log(mac_ctx, LOG1, FL("Re-assoc Req Frame is: "));
sir_dump_buf(mac_ctx, SIR_LIM_MODULE_ID, LOG1,
(uint8_t *) frame, (bytes + ft_ies_length));
if ((SIR_BAND_5_GHZ ==
lim_get_rf_band(pe_session->currentOperChannel)) ||
(pe_session->pePersona == QDF_P2P_CLIENT_MODE) ||
(pe_session->pePersona == QDF_P2P_GO_MODE)) {
tx_flag |= HAL_USE_BD_RATE2_FOR_MANAGEMENT_FRAME;
}
if (NULL != pe_session->assocReq) {
qdf_mem_free(pe_session->assocReq);
pe_session->assocReq = NULL;
pe_session->assocReqLen = 0;
}
if (ft_ies_length) {
pe_session->assocReq = qdf_mem_malloc(ft_ies_length);
if (NULL == pe_session->assocReq) {
lim_log(mac_ctx,
LOGE, FL("Failed to alloc memory for FT IEs"));
pe_session->assocReqLen = 0;
} else {
/*
* Store the FT IEs. This is sent to csr/hdd in
* join cnf response.
*/
qdf_mem_copy(pe_session->assocReq,
ft_sme_context->reassoc_ft_ies, ft_ies_length);
pe_session->assocReqLen = ft_ies_length;
}
} else {
lim_log(mac_ctx, LOG1, FL("FT IEs not present"));
pe_session->assocReqLen = 0;
}
#ifdef FEATURE_WLAN_DIAG_SUPPORT
lim_diag_event_report(mac_ctx, WLAN_PE_DIAG_REASSOC_START_EVENT,
pe_session, eSIR_SUCCESS, eSIR_SUCCESS);
#endif
MTRACE(qdf_trace(QDF_MODULE_ID_PE, TRACE_CODE_TX_MGMT,
pe_session->peSessionId, mac_hdr->fc.subType));
qdf_status = wma_tx_frame(mac_ctx, packet,
(uint16_t) (bytes + ft_ies_length),
TXRX_FRM_802_11_MGMT, ANI_TXDIR_TODS, 7,
lim_tx_complete, frame, tx_flag, sme_sessionid,
0);
MTRACE(qdf_trace(QDF_MODULE_ID_PE, TRACE_CODE_TX_COMPLETE,
pe_session->peSessionId, qdf_status));
if (!QDF_IS_STATUS_SUCCESS(qdf_status)) {
lim_log(mac_ctx, LOGE,
FL("Failed to send Re-Assoc Request (%X)!"),
qdf_status);
}
end:
/* Free up buffer allocated for mlmAssocReq */
qdf_mem_free(mlm_reassoc_req);
pe_session->pLimMlmReassocReq = NULL;
}
/**
* lim_send_retry_reassoc_req_frame() - Retry for reassociation
* @pMac: Global MAC Context
* @pMlmReassocReq: Request buffer to be sent
* @psessionEntry: PE Session
*
* Return: None
*/
void lim_send_retry_reassoc_req_frame(tpAniSirGlobal pMac,
tLimMlmReassocReq *pMlmReassocReq,
tpPESession psessionEntry)
{
tLimMlmReassocCnf mlmReassocCnf; /* keep sme */
tLimMlmReassocReq *pTmpMlmReassocReq = NULL;
if (NULL == pTmpMlmReassocReq) {
pTmpMlmReassocReq = qdf_mem_malloc(sizeof(tLimMlmReassocReq));
if (NULL == pTmpMlmReassocReq)
goto end;
qdf_mem_set(pTmpMlmReassocReq, sizeof(tLimMlmReassocReq), 0);
qdf_mem_copy(pTmpMlmReassocReq, pMlmReassocReq,
sizeof(tLimMlmReassocReq));
}
/* Prepare and send Reassociation request frame */
/* start reassoc timer. */
pMac->lim.limTimers.gLimReassocFailureTimer.sessionId =
psessionEntry->peSessionId;
/* Start reassociation failure timer */
MTRACE(qdf_trace(QDF_MODULE_ID_PE, TRACE_CODE_TIMER_ACTIVATE,
psessionEntry->peSessionId, eLIM_REASSOC_FAIL_TIMER));
if (tx_timer_activate(&pMac->lim.limTimers.gLimReassocFailureTimer)
!= TX_SUCCESS) {
/* Could not start reassoc failure timer. */
/* Log error */
lim_log(pMac, LOGP,
FL("could not start Reassociation failure timer"));
/* Return Reassoc confirm with */
/* Resources Unavailable */
mlmReassocCnf.resultCode = eSIR_SME_RESOURCES_UNAVAILABLE;
mlmReassocCnf.protStatusCode = eSIR_MAC_UNSPEC_FAILURE_STATUS;
goto end;
}
lim_send_reassoc_req_with_ft_ies_mgmt_frame(pMac, pTmpMlmReassocReq,
psessionEntry);
return;
end:
/* Free up buffer allocated for reassocReq */
if (pMlmReassocReq != NULL) {
qdf_mem_free(pMlmReassocReq);
pMlmReassocReq = NULL;
}
if (pTmpMlmReassocReq != NULL) {
qdf_mem_free(pTmpMlmReassocReq);
pTmpMlmReassocReq = NULL;
}
mlmReassocCnf.resultCode = eSIR_SME_FT_REASSOC_FAILURE;
mlmReassocCnf.protStatusCode = eSIR_MAC_UNSPEC_FAILURE_STATUS;
/* Update PE sessio Id */
mlmReassocCnf.sessionId = psessionEntry->peSessionId;
lim_post_sme_message(pMac, LIM_MLM_REASSOC_CNF,
(uint32_t *) &mlmReassocCnf);
}
/**
* lim_send_reassoc_req_mgmt_frame() - Send the reassociation frame
* @pMac: Global MAC Context
* @pMlmReassocReq: Reassociation request buffer to be sent
* @psessionEntry: PE Session
*
* Return: None
*/
void lim_send_reassoc_req_mgmt_frame(tpAniSirGlobal pMac,
tLimMlmReassocReq *pMlmReassocReq,
tpPESession psessionEntry)
{
static tDot11fReAssocRequest frm;
uint16_t caps;
uint8_t *pFrame;
uint32_t nBytes, nPayload, nStatus;
uint8_t fQosEnabled, fWmeEnabled, fWsmEnabled;
void *pPacket;
QDF_STATUS qdf_status;
uint16_t nAddIELen;
uint8_t *pAddIE;
uint8_t *wpsIe = NULL;
uint8_t txFlag = 0;
uint8_t PowerCapsPopulated = false;
uint8_t smeSessionId = 0;
bool isVHTEnabled = false;
tpSirMacMgmtHdr pMacHdr;
if (NULL == psessionEntry)
return;
smeSessionId = psessionEntry->smeSessionId;
if (NULL == psessionEntry->pLimReAssocReq)
return;
nAddIELen = psessionEntry->pLimReAssocReq->addIEAssoc.length;
pAddIE = psessionEntry->pLimReAssocReq->addIEAssoc.addIEdata;
qdf_mem_set((uint8_t *) &frm, sizeof(frm), 0);
caps = pMlmReassocReq->capabilityInfo;
#if defined(FEATURE_WLAN_WAPI)
/*
* CR: 262463 :
* According to WAPI standard:
* 7.3.1.4 Capability Information field
* In WAPI, non-AP STAs within an ESS set the Privacy subfield to 0 in
* transmitted. Association or Reassociation management frames. APs
* ignore the Privacy subfield within received Association and
* Reassociation management frames.
*/
if (psessionEntry->encryptType == eSIR_ED_WPI)
((tSirMacCapabilityInfo *) &caps)->privacy = 0;
#endif
swap_bit_field16(caps, (uint16_t *) &frm.Capabilities);
frm.ListenInterval.interval = pMlmReassocReq->listenInterval;
qdf_mem_copy((uint8_t *) frm.CurrentAPAddress.mac,
(uint8_t *) psessionEntry->bssId, 6);
populate_dot11f_ssid2(pMac, &frm.SSID);
populate_dot11f_supp_rates(pMac, POPULATE_DOT11F_RATES_OPERATIONAL,
&frm.SuppRates, psessionEntry);
fQosEnabled = (psessionEntry->limQosEnabled) &&
SIR_MAC_GET_QOS(psessionEntry->limReassocBssCaps);
fWmeEnabled = (psessionEntry->limWmeEnabled) &&
LIM_BSS_CAPS_GET(WME, psessionEntry->limReassocBssQosCaps);
fWsmEnabled = (psessionEntry->limWsmEnabled) && fWmeEnabled &&
LIM_BSS_CAPS_GET(WSM, psessionEntry->limReassocBssQosCaps);
if (psessionEntry->lim11hEnable &&
psessionEntry->pLimReAssocReq->spectrumMgtIndicator == eSIR_TRUE) {
PowerCapsPopulated = true;
populate_dot11f_power_caps(pMac, &frm.PowerCaps, LIM_REASSOC,
psessionEntry);
populate_dot11f_supp_channels(pMac, &frm.SuppChannels,
LIM_REASSOC, psessionEntry);
}
if (pMac->rrm.rrmPEContext.rrmEnable &&
SIR_MAC_GET_RRM(psessionEntry->limCurrentBssCaps)) {
if (PowerCapsPopulated == false) {
PowerCapsPopulated = true;
populate_dot11f_power_caps(pMac, &frm.PowerCaps,
LIM_REASSOC, psessionEntry);
}
}
if (fQosEnabled)
populate_dot11f_qos_caps_station(pMac, &frm.QOSCapsStation);
populate_dot11f_ext_supp_rates(pMac, POPULATE_DOT11F_RATES_OPERATIONAL,
&frm.ExtSuppRates, psessionEntry);
if (pMac->rrm.rrmPEContext.rrmEnable &&
SIR_MAC_GET_RRM(psessionEntry->limCurrentBssCaps))
populate_dot11f_rrm_ie(pMac, &frm.RRMEnabledCap, psessionEntry);
/* The join request *should* contain zero or one of the WPA and RSN */
/* IEs. The payload send along with the request is a */
/* 'tSirSmeJoinReq'; the IE portion is held inside a 'tSirRSNie': */
/* typedef struct sSirRSNie */
/* { */
/* uint16_t length; */
/* uint8_t rsnIEdata[SIR_MAC_MAX_IE_LENGTH+2]; */
/* } tSirRSNie, *tpSirRSNie; */
/* So, we should be able to make the following two calls harmlessly, */
/* since they do nothing if they don't find the given IE in the */
/* bytestream with which they're provided. */
/* The net effect of this will be to faithfully transmit whatever */
/* security IE is in the join request. */
/**However*, if we're associating for the purpose of WPS */
/* enrollment, and we've been configured to indicate that by */
/* eliding the WPA or RSN IE, we just skip this: */
if (nAddIELen && pAddIE)
wpsIe = limGetWscIEPtr(pMac, pAddIE, nAddIELen);
if (NULL == wpsIe) {
populate_dot11f_rsn_opaque(pMac,
&(psessionEntry->pLimReAssocReq->rsnIE),
&frm.RSNOpaque);
populate_dot11f_wpa_opaque(pMac,
&(psessionEntry->pLimReAssocReq->rsnIE),
&frm.WPAOpaque);
#if defined(FEATURE_WLAN_WAPI)
populate_dot11f_wapi_opaque(pMac,
&(psessionEntry->pLimReAssocReq->
rsnIE), &frm.WAPIOpaque);
#endif /* defined(FEATURE_WLAN_WAPI) */
}
/* include WME EDCA IE as well */
if (fWmeEnabled) {
populate_dot11f_wmm_info_station_per_session(pMac,
psessionEntry, &frm.WMMInfoStation);
if (fWsmEnabled)
populate_dot11f_wmm_caps(&frm.WMMCaps);
}
if (psessionEntry->htCapability &&
pMac->lim.htCapabilityPresentInBeacon) {
populate_dot11f_ht_caps(pMac, psessionEntry, &frm.HTCaps);
}
if (psessionEntry->vhtCapability &&
psessionEntry->vhtCapabilityPresentInBeacon) {
lim_log(pMac, LOGW, FL("Populate VHT IEs in Re-Assoc Request"));
populate_dot11f_vht_caps(pMac, psessionEntry, &frm.VHTCaps);
isVHTEnabled = true;
}
populate_dot11f_ext_cap(pMac, isVHTEnabled, &frm.ExtCap, psessionEntry);
nStatus =
dot11f_get_packed_re_assoc_request_size(pMac, &frm, &nPayload);
if (DOT11F_FAILED(nStatus)) {
lim_log(pMac, LOGP, FL("Fail to get size:ReassocReq(0x%08x)"),
nStatus);
/* We'll fall back on the worst case scenario: */
nPayload = sizeof(tDot11fReAssocRequest);
} else if (DOT11F_WARNED(nStatus)) {
lim_log(pMac, LOGW, FL("warning for size:ReAssoc Req(0x%08x)."),
nStatus);
}
nBytes = nPayload + sizeof(tSirMacMgmtHdr) + nAddIELen;
qdf_status = cds_packet_alloc((uint16_t) nBytes, (void **)&pFrame,
(void **)&pPacket);
if (!QDF_IS_STATUS_SUCCESS(qdf_status)) {
psessionEntry->limMlmState = psessionEntry->limPrevMlmState;
MTRACE(qdf_trace(QDF_MODULE_ID_PE, TRACE_CODE_MLM_STATE,
psessionEntry->peSessionId,
psessionEntry->limMlmState));
lim_log(pMac, LOGP,
FL("Failed to alloc %d bytes for a ReAssociation Req."),
nBytes);
goto end;
}
/* Paranoia: */
qdf_mem_set(pFrame, nBytes, 0);
/* Next, we fill out the buffer descriptor: */
lim_populate_mac_header(pMac, pFrame, SIR_MAC_MGMT_FRAME,
SIR_MAC_MGMT_REASSOC_REQ, psessionEntry->limReAssocbssId,
psessionEntry->selfMacAddr);
pMacHdr = (tpSirMacMgmtHdr) pFrame;
/* That done, pack the Probe Request: */
nStatus = dot11f_pack_re_assoc_request(pMac, &frm, pFrame +
sizeof(tSirMacMgmtHdr),
nPayload, &nPayload);
if (DOT11F_FAILED(nStatus)) {
lim_log(pMac, LOGE, FL("Fail to pack a Re-Assoc Req(0x%08x)."),
nStatus);
cds_packet_free((void *)pPacket);
goto end;
} else if (DOT11F_WARNED(nStatus)) {
lim_log(pMac, LOGW, FL("warning packing a Re-AssocReq(0x%08x)"),
nStatus);
}
PELOG1(lim_log
(pMac, LOG1,
FL("*** Sending Re-Association Request length %d" "to "),
nBytes);
)
if (psessionEntry->assocReq != NULL) {
qdf_mem_free(psessionEntry->assocReq);
psessionEntry->assocReq = NULL;
psessionEntry->assocReqLen = 0;
}
if (nAddIELen) {
qdf_mem_copy(pFrame + sizeof(tSirMacMgmtHdr) + nPayload,
pAddIE, nAddIELen);
nPayload += nAddIELen;
}
psessionEntry->assocReq = qdf_mem_malloc(nPayload);
if (NULL == psessionEntry->assocReq) {
lim_log(pMac, LOGE, FL("Unable to allocate mem for assoc req"));
} else {
/* Store the Assocrequest. It is sent to csr in joincnfrsp */
qdf_mem_copy(psessionEntry->assocReq,
pFrame + sizeof(tSirMacMgmtHdr), nPayload);
psessionEntry->assocReqLen = nPayload;
}
if ((SIR_BAND_5_GHZ ==
lim_get_rf_band(psessionEntry->currentOperChannel))
|| (psessionEntry->pePersona == QDF_P2P_CLIENT_MODE) ||
(psessionEntry->pePersona == QDF_P2P_GO_MODE))
txFlag |= HAL_USE_BD_RATE2_FOR_MANAGEMENT_FRAME;
if (psessionEntry->pePersona == QDF_P2P_CLIENT_MODE ||
psessionEntry->pePersona == QDF_STA_MODE)
txFlag |= HAL_USE_PEER_STA_REQUESTED_MASK;
#ifdef FEATURE_WLAN_DIAG_SUPPORT
lim_diag_event_report(pMac, WLAN_PE_DIAG_REASSOC_START_EVENT,
psessionEntry, eSIR_SUCCESS, eSIR_SUCCESS);
#endif
MTRACE(qdf_trace(QDF_MODULE_ID_PE, TRACE_CODE_TX_MGMT,
psessionEntry->peSessionId, pMacHdr->fc.subType));
qdf_status =
wma_tx_frame(pMac, pPacket,
(uint16_t) (sizeof(tSirMacMgmtHdr) + nPayload),
TXRX_FRM_802_11_MGMT, ANI_TXDIR_TODS, 7,
lim_tx_complete, pFrame, txFlag, smeSessionId, 0);
MTRACE(qdf_trace
(QDF_MODULE_ID_PE, TRACE_CODE_TX_COMPLETE,
psessionEntry->peSessionId, qdf_status));
if (!QDF_IS_STATUS_SUCCESS(qdf_status)) {
lim_log(pMac, LOGE,
FL("Failed to send Re-Association Request (%X)!"),
qdf_status);
/* Pkt will be freed up by the callback */
}
end:
/* Free up buffer allocated for mlmAssocReq */
qdf_mem_free(pMlmReassocReq);
psessionEntry->pLimMlmReassocReq = NULL;
}

741
core/mac/src/pe/lim/lim_send_management_frames.c
View File

@@ -1948,747 +1948,6 @@ lim_send_assoc_req_mgmt_frame(tpAniSirGlobal mac_ctx,
return; return;
} }
/**
* lim_send_reassoc_req_with_ft_ies_mgmt_frame() - Send Reassoc Req with FTIEs.
*
* @mac_ctx: Handle to mac context
* @mlm_reassoc_req: Original reassoc request
* @pe_session: PE session information
*
* It builds a reassoc request with FT IEs and sends it to AP through WMA.
* Then it creates assoc request and stores it for sending after join
* confirmation.
*
* Return: void
*/
void
lim_send_reassoc_req_with_ft_ies_mgmt_frame(tpAniSirGlobal mac_ctx,
tLimMlmReassocReq *mlm_reassoc_req,
tpPESession pe_session)
{
static tDot11fReAssocRequest frm;
uint16_t caps;
uint8_t *frame;
uint32_t bytes, payload, status;
uint8_t qos_enabled, wme_enabled, wsm_enabled;
void *packet;
QDF_STATUS qdf_status;
uint8_t power_caps_populated = false;
uint16_t ft_ies_length = 0;
uint8_t *body;
uint16_t add_ie_len;
uint8_t *add_ie;
uint8_t *wps_ie = NULL;
uint8_t tx_flag = 0;
uint8_t sme_sessionid = 0;
bool vht_enabled = false;
tpSirMacMgmtHdr mac_hdr;
tftSMEContext *ft_sme_context;
if (NULL == pe_session)
return;
sme_sessionid = pe_session->smeSessionId;
/* check this early to avoid unncessary operation */
if (NULL == pe_session->pLimReAssocReq)
return;
add_ie_len = pe_session->pLimReAssocReq->addIEAssoc.length;
add_ie = pe_session->pLimReAssocReq->addIEAssoc.addIEdata;
lim_log(mac_ctx, LOG1,
FL("called in state (%d)."), pe_session->limMlmState);
qdf_mem_set((uint8_t *) &frm, sizeof(frm), 0);
caps = mlm_reassoc_req->capabilityInfo;
#if defined(FEATURE_WLAN_WAPI)
/*
* According to WAPI standard:
* 7.3.1.4 Capability Information field
* In WAPI, non-AP STAs within an ESS set the Privacy subfield
* to 0 in transmitted Association or Reassociation management
* frames. APs ignore the Privacy subfield within received
* Association and Reassociation management frames.
*/
if (pe_session->encryptType == eSIR_ED_WPI)
((tSirMacCapabilityInfo *) &caps)->privacy = 0;
#endif
swap_bit_field16(caps, (uint16_t *) &frm.Capabilities);
frm.ListenInterval.interval = mlm_reassoc_req->listenInterval;
/*
* Get the old bssid of the older AP.
* The previous ap bssid is stored in the FT Session
* while creating the PE FT Session for reassociation.
*/
qdf_mem_copy((uint8_t *)frm.CurrentAPAddress.mac,
pe_session->prev_ap_bssid, sizeof(tSirMacAddr));
populate_dot11f_ssid2(mac_ctx, &frm.SSID);
populate_dot11f_supp_rates(mac_ctx, POPULATE_DOT11F_RATES_OPERATIONAL,
&frm.SuppRates, pe_session);
qos_enabled = (pe_session->limQosEnabled) &&
SIR_MAC_GET_QOS(pe_session->limReassocBssCaps);
wme_enabled = (pe_session->limWmeEnabled) &&
LIM_BSS_CAPS_GET(WME, pe_session->limReassocBssQosCaps);
wsm_enabled = (pe_session->limWsmEnabled) && wme_enabled &&
LIM_BSS_CAPS_GET(WSM, pe_session->limReassocBssQosCaps);
if (pe_session->lim11hEnable &&
pe_session->pLimReAssocReq->spectrumMgtIndicator == eSIR_TRUE) {
power_caps_populated = true;
populate_dot11f_power_caps(mac_ctx, &frm.PowerCaps,
LIM_REASSOC, pe_session);
populate_dot11f_supp_channels(mac_ctx, &frm.SuppChannels,
LIM_REASSOC, pe_session);
}
if (mac_ctx->rrm.rrmPEContext.rrmEnable &&
SIR_MAC_GET_RRM(pe_session->limCurrentBssCaps)) {
if (power_caps_populated == false) {
power_caps_populated = true;
populate_dot11f_power_caps(mac_ctx, &frm.PowerCaps,
LIM_REASSOC, pe_session);
}
}
if (qos_enabled)
populate_dot11f_qos_caps_station(mac_ctx, &frm.QOSCapsStation);
populate_dot11f_ext_supp_rates(mac_ctx,
POPULATE_DOT11F_RATES_OPERATIONAL, &frm.ExtSuppRates,
pe_session);
if (mac_ctx->rrm.rrmPEContext.rrmEnable &&
SIR_MAC_GET_RRM(pe_session->limCurrentBssCaps))
populate_dot11f_rrm_ie(mac_ctx, &frm.RRMEnabledCap, pe_session);
/*
* Ideally this should be enabled for 11r also. But 11r does
* not follow the usual norm of using the Opaque object
* for rsnie and fties. Instead we just add the rsnie and fties
* at the end of the pack routine for 11r.
* This should ideally! be fixed.
*/
/*
* The join request *should* contain zero or one of the WPA and RSN
* IEs. The payload send along with the request is a
* 'tSirSmeJoinReq'; the IE portion is held inside a 'tSirRSNie':
*
* typedef struct sSirRSNie
* {
* uint16_t length;
* uint8_t rsnIEdata[SIR_MAC_MAX_IE_LENGTH+2];
* } tSirRSNie, *tpSirRSNie;
*
* So, we should be able to make the following two calls harmlessly,
* since they do nothing if they don't find the given IE in the
* bytestream with which they're provided.
*
* The net effect of this will be to faithfully transmit whatever
* security IE is in the join request.
* However, if we're associating for the purpose of WPS
* enrollment, and we've been configured to indicate that by
* eliding the WPA or RSN IE, we just skip this:
*/
if (!pe_session->is11Rconnection) {
if (add_ie_len && add_ie)
wps_ie = limGetWscIEPtr(mac_ctx, add_ie, add_ie_len);
if (NULL == wps_ie) {
populate_dot11f_rsn_opaque(mac_ctx,
&(pe_session->pLimReAssocReq->rsnIE),
&frm.RSNOpaque);
populate_dot11f_wpa_opaque(mac_ctx,
&(pe_session->pLimReAssocReq->rsnIE),
&frm.WPAOpaque);
}
#ifdef FEATURE_WLAN_ESE
if (pe_session->pLimReAssocReq->cckmIE.length) {
populate_dot11f_ese_cckm_opaque(mac_ctx,
&(pe_session->pLimReAssocReq->cckmIE),
&frm.ESECckmOpaque);
}
#endif
}
#ifdef FEATURE_WLAN_ESE
/*
* ESE Version IE will be included in re-association request
* when ESE is enabled on DUT through ini and it is also
* advertised by the peer AP to which we are trying to
* associate to.
*/
if (pe_session->is_ese_version_ie_present &&
mac_ctx->roam.configParam.isEseIniFeatureEnabled)
populate_dot11f_ese_version(&frm.ESEVersion);
/* For ESE Associations fill the ESE IEs */
if (pe_session->isESEconnection &&
pe_session->pLimReAssocReq->isESEFeatureIniEnabled) {
#ifndef FEATURE_DISABLE_RM
populate_dot11f_ese_rad_mgmt_cap(&frm.ESERadMgmtCap);
#endif
}
#endif /* FEATURE_WLAN_ESE */
/* include WME EDCA IE as well */
if (wme_enabled) {
populate_dot11f_wmm_info_station_per_session(mac_ctx,
pe_session, &frm.WMMInfoStation);
if (wsm_enabled)
populate_dot11f_wmm_caps(&frm.WMMCaps);
#ifdef FEATURE_WLAN_ESE
if (pe_session->isESEconnection) {
uint32_t phymode;
uint8_t rate;
populate_dot11f_re_assoc_tspec(mac_ctx, &frm,
pe_session);
/*
* Populate the TSRS IE if TSPEC is included in
* the reassoc request
*/
lim_get_phy_mode(mac_ctx, &phymode, pe_session);
if (phymode == WNI_CFG_PHY_MODE_11G ||
phymode == WNI_CFG_PHY_MODE_11A)
rate = TSRS_11AG_RATE_6MBPS;
else
rate = TSRS_11B_RATE_5_5MBPS;
if (pe_session->pLimReAssocReq->eseTspecInfo.
numTspecs) {
tSirMacESETSRSIE tsrs_ie;
tsrs_ie.tsid = 0;
tsrs_ie.rates[0] = rate;
populate_dot11_tsrsie(mac_ctx, &tsrs_ie,
&frm.ESETrafStrmRateSet,
sizeof(uint8_t));
}
}
#endif
}
ft_sme_context = &mac_ctx->roam.roamSession[sme_sessionid].ftSmeContext;
if (pe_session->htCapability &&
mac_ctx->lim.htCapabilityPresentInBeacon) {
populate_dot11f_ht_caps(mac_ctx, pe_session, &frm.HTCaps);
}
if (pe_session->pLimReAssocReq->bssDescription.mdiePresent &&
(ft_sme_context->addMDIE == true)
#if defined FEATURE_WLAN_ESE
&& !pe_session->isESEconnection
#endif
) {
populate_mdie(mac_ctx, &frm.MobilityDomain,
pe_session->pLimReAssocReq->bssDescription.mdie);
}
if (pe_session->vhtCapability &&
pe_session->vhtCapabilityPresentInBeacon) {
lim_log(mac_ctx, LOG1,
FL("Populate VHT IEs in Re-Assoc Request"));
populate_dot11f_vht_caps(mac_ctx, pe_session, &frm.VHTCaps);
vht_enabled = true;
populate_dot11f_ext_cap(mac_ctx, vht_enabled, &frm.ExtCap,
pe_session);
}
if (!vht_enabled &&
pe_session->is_vendor_specific_vhtcaps) {
lim_log(mac_ctx, LOG1,
FL("Populate Vendor VHT IEs in Re-Assoc Request"));
frm.vendor2_ie.present = 1;
frm.vendor2_ie.type =
pe_session->vendor_specific_vht_ie_type;
frm.vendor2_ie.sub_type =
pe_session->vendor_specific_vht_ie_sub_type;
frm.vendor2_ie.VHTCaps.present = 1;
populate_dot11f_vht_caps(mac_ctx, pe_session,
&frm.vendor2_ie.VHTCaps);
vht_enabled = true;
}
status = dot11f_get_packed_re_assoc_request_size(mac_ctx, &frm,
&payload);
if (DOT11F_FAILED(status)) {
lim_log(mac_ctx, LOGP,
FL("Failure in size calculation (0x%08x)."), status);
/* We'll fall back on the worst case scenario: */
payload = sizeof(tDot11fReAssocRequest);
} else if (DOT11F_WARNED(status)) {
lim_log(mac_ctx, LOGW,
FL("Warnings in size calculation(0x%08x)."), status);
}
bytes = payload + sizeof(tSirMacMgmtHdr) + add_ie_len;
lim_log(mac_ctx, LOG1, FL("FT IE Reassoc Req (%d)."),
ft_sme_context->reassoc_ft_ies_length);
if (pe_session->is11Rconnection)
ft_ies_length = ft_sme_context->reassoc_ft_ies_length;
qdf_status = cds_packet_alloc((uint16_t) bytes + ft_ies_length,
(void **)&frame, (void **)&packet);
if (!QDF_IS_STATUS_SUCCESS(qdf_status)) {
pe_session->limMlmState = pe_session->limPrevMlmState;
MTRACE(qdf_trace(QDF_MODULE_ID_PE, TRACE_CODE_MLM_STATE,
pe_session->peSessionId,
pe_session->limMlmState));
lim_log(mac_ctx, LOGP, FL("Failed to alloc memory %d"), bytes);
goto end;
}
/* Paranoia: */
qdf_mem_set(frame, bytes + ft_ies_length, 0);
lim_print_mac_addr(mac_ctx, pe_session->limReAssocbssId, LOG1);
/* Next, we fill out the buffer descriptor: */
lim_populate_mac_header(mac_ctx, frame, SIR_MAC_MGMT_FRAME,
SIR_MAC_MGMT_REASSOC_REQ, pe_session->limReAssocbssId,
pe_session->selfMacAddr);
mac_hdr = (tpSirMacMgmtHdr) frame;
/* That done, pack the ReAssoc Request: */
status = dot11f_pack_re_assoc_request(mac_ctx, &frm, frame +
sizeof(tSirMacMgmtHdr),
payload, &payload);
if (DOT11F_FAILED(status)) {
lim_log(mac_ctx, LOGE, FL("Failure in pack (0x%08x)."), status);
cds_packet_free((void *)packet);
goto end;
} else if (DOT11F_WARNED(status)) {
lim_log(mac_ctx, LOGW, FL("Warnings in pack (0x%08x)."),
status);
}
lim_log(mac_ctx, LOG3,
FL("*** Sending Re-Assoc Request length %d %d to "),
bytes, payload);
if (pe_session->assocReq != NULL) {
qdf_mem_free(pe_session->assocReq);
pe_session->assocReq = NULL;
pe_session->assocReqLen = 0;
}
if (add_ie_len) {
qdf_mem_copy(frame + sizeof(tSirMacMgmtHdr) + payload,
add_ie, add_ie_len);
payload += add_ie_len;
}
pe_session->assocReq = qdf_mem_malloc(payload);
if (NULL == pe_session->assocReq) {
lim_log(mac_ctx, LOGE, FL("Failed to alloc memory"));
} else {
/*
* Store the Assoc request. This is sent to csr/hdd in
* join cnf response.
*/
qdf_mem_copy(pe_session->assocReq,
frame + sizeof(tSirMacMgmtHdr), payload);
pe_session->assocReqLen = payload;
}
if (pe_session->is11Rconnection && ft_sme_context->reassoc_ft_ies) {
int i = 0;
body = frame + bytes;
for (i = 0; i < ft_ies_length; i++) {
*body = ft_sme_context->reassoc_ft_ies[i];
body++;
}
}
lim_log(mac_ctx, LOG1, FL("Re-assoc Req Frame is: "));
sir_dump_buf(mac_ctx, SIR_LIM_MODULE_ID, LOG1,
(uint8_t *) frame, (bytes + ft_ies_length));
if ((SIR_BAND_5_GHZ ==
lim_get_rf_band(pe_session->currentOperChannel)) ||
(pe_session->pePersona == QDF_P2P_CLIENT_MODE) ||
(pe_session->pePersona == QDF_P2P_GO_MODE)) {
tx_flag |= HAL_USE_BD_RATE2_FOR_MANAGEMENT_FRAME;
}
if (NULL != pe_session->assocReq) {
qdf_mem_free(pe_session->assocReq);
pe_session->assocReq = NULL;
pe_session->assocReqLen = 0;
}
if (ft_ies_length) {
pe_session->assocReq = qdf_mem_malloc(ft_ies_length);
if (NULL == pe_session->assocReq) {
lim_log(mac_ctx,
LOGE, FL("Failed to alloc memory for FT IEs"));
pe_session->assocReqLen = 0;
} else {
/*
* Store the FT IEs. This is sent to csr/hdd in
* join cnf response.
*/
qdf_mem_copy(pe_session->assocReq,
ft_sme_context->reassoc_ft_ies, ft_ies_length);
pe_session->assocReqLen = ft_ies_length;
}
} else {
lim_log(mac_ctx, LOG1, FL("FT IEs not present"));
pe_session->assocReqLen = 0;
}
#ifdef FEATURE_WLAN_DIAG_SUPPORT
lim_diag_event_report(mac_ctx, WLAN_PE_DIAG_REASSOC_START_EVENT,
pe_session, eSIR_SUCCESS, eSIR_SUCCESS);
#endif
MTRACE(qdf_trace(QDF_MODULE_ID_PE, TRACE_CODE_TX_MGMT,
pe_session->peSessionId, mac_hdr->fc.subType));
qdf_status = wma_tx_frame(mac_ctx, packet,
(uint16_t) (bytes + ft_ies_length),
TXRX_FRM_802_11_MGMT, ANI_TXDIR_TODS, 7,
lim_tx_complete, frame, tx_flag, sme_sessionid,
0);
MTRACE(qdf_trace(QDF_MODULE_ID_PE, TRACE_CODE_TX_COMPLETE,
pe_session->peSessionId, qdf_status));
if (!QDF_IS_STATUS_SUCCESS(qdf_status)) {
lim_log(mac_ctx, LOGE,
FL("Failed to send Re-Assoc Request (%X)!"),
qdf_status);
}
end:
/* Free up buffer allocated for mlmAssocReq */
qdf_mem_free(mlm_reassoc_req);
pe_session->pLimMlmReassocReq = NULL;
}
void lim_send_retry_reassoc_req_frame(tpAniSirGlobal pMac,
tLimMlmReassocReq *pMlmReassocReq,
tpPESession psessionEntry)
{
tLimMlmReassocCnf mlmReassocCnf; /* keep sme */
tLimMlmReassocReq *pTmpMlmReassocReq = NULL;
if (NULL == pTmpMlmReassocReq) {
pTmpMlmReassocReq = qdf_mem_malloc(sizeof(tLimMlmReassocReq));
if (NULL == pTmpMlmReassocReq)
goto end;
qdf_mem_set(pTmpMlmReassocReq, sizeof(tLimMlmReassocReq), 0);
qdf_mem_copy(pTmpMlmReassocReq, pMlmReassocReq,
sizeof(tLimMlmReassocReq));
}
/* Prepare and send Reassociation request frame */
/* start reassoc timer. */
pMac->lim.limTimers.gLimReassocFailureTimer.sessionId =
psessionEntry->peSessionId;
/* Start reassociation failure timer */
MTRACE(qdf_trace(QDF_MODULE_ID_PE, TRACE_CODE_TIMER_ACTIVATE,
psessionEntry->peSessionId, eLIM_REASSOC_FAIL_TIMER));
if (tx_timer_activate(&pMac->lim.limTimers.gLimReassocFailureTimer)
!= TX_SUCCESS) {
/* Could not start reassoc failure timer. */
/* Log error */
lim_log(pMac, LOGP,
FL("could not start Reassociation failure timer"));
/* Return Reassoc confirm with */
/* Resources Unavailable */
mlmReassocCnf.resultCode = eSIR_SME_RESOURCES_UNAVAILABLE;
mlmReassocCnf.protStatusCode = eSIR_MAC_UNSPEC_FAILURE_STATUS;
goto end;
}
lim_send_reassoc_req_with_ft_ies_mgmt_frame(pMac, pTmpMlmReassocReq,
psessionEntry);
return;
end:
/* Free up buffer allocated for reassocReq */
if (pMlmReassocReq != NULL) {
qdf_mem_free(pMlmReassocReq);
pMlmReassocReq = NULL;
}
if (pTmpMlmReassocReq != NULL) {
qdf_mem_free(pTmpMlmReassocReq);
pTmpMlmReassocReq = NULL;
}
mlmReassocCnf.resultCode = eSIR_SME_FT_REASSOC_FAILURE;
mlmReassocCnf.protStatusCode = eSIR_MAC_UNSPEC_FAILURE_STATUS;
/* Update PE sessio Id */
mlmReassocCnf.sessionId = psessionEntry->peSessionId;
lim_post_sme_message(pMac, LIM_MLM_REASSOC_CNF,
(uint32_t *) &mlmReassocCnf);
}
void
lim_send_reassoc_req_mgmt_frame(tpAniSirGlobal pMac,
tLimMlmReassocReq *pMlmReassocReq,
tpPESession psessionEntry)
{
static tDot11fReAssocRequest frm;
uint16_t caps;
uint8_t *pFrame;
uint32_t nBytes, nPayload, nStatus;
uint8_t fQosEnabled, fWmeEnabled, fWsmEnabled;
void *pPacket;
QDF_STATUS qdf_status;
uint16_t nAddIELen;
uint8_t *pAddIE;
uint8_t *wpsIe = NULL;
uint8_t txFlag = 0;
uint8_t PowerCapsPopulated = false;
uint8_t smeSessionId = 0;
bool isVHTEnabled = false;
tpSirMacMgmtHdr pMacHdr;
if (NULL == psessionEntry) {
return;
}
smeSessionId = psessionEntry->smeSessionId;
/* check this early to avoid unncessary operation */
if (NULL == psessionEntry->pLimReAssocReq) {
return;
}
nAddIELen = psessionEntry->pLimReAssocReq->addIEAssoc.length;
pAddIE = psessionEntry->pLimReAssocReq->addIEAssoc.addIEdata;
qdf_mem_set((uint8_t *) &frm, sizeof(frm), 0);
caps = pMlmReassocReq->capabilityInfo;
#if defined(FEATURE_WLAN_WAPI)
/* CR: 262463 :
According to WAPI standard:
7.3.1.4 Capability Information field
In WAPI, non-AP STAs within an ESS set the Privacy subfield to 0 in transmitted
Association or Reassociation management frames. APs ignore the Privacy subfield within received Association and
Reassociation management frames. */
if (psessionEntry->encryptType == eSIR_ED_WPI)
((tSirMacCapabilityInfo *) &caps)->privacy = 0;
#endif
swap_bit_field16(caps, (uint16_t *) &frm.Capabilities);
frm.ListenInterval.interval = pMlmReassocReq->listenInterval;
qdf_mem_copy((uint8_t *) frm.CurrentAPAddress.mac,
(uint8_t *) psessionEntry->bssId, 6);
populate_dot11f_ssid2(pMac, &frm.SSID);
populate_dot11f_supp_rates(pMac, POPULATE_DOT11F_RATES_OPERATIONAL,
&frm.SuppRates, psessionEntry);
fQosEnabled = (psessionEntry->limQosEnabled) &&
SIR_MAC_GET_QOS(psessionEntry->limReassocBssCaps);
fWmeEnabled = (psessionEntry->limWmeEnabled) &&
LIM_BSS_CAPS_GET(WME, psessionEntry->limReassocBssQosCaps);
fWsmEnabled = (psessionEntry->limWsmEnabled) && fWmeEnabled &&
LIM_BSS_CAPS_GET(WSM, psessionEntry->limReassocBssQosCaps);
if (psessionEntry->lim11hEnable &&
psessionEntry->pLimReAssocReq->spectrumMgtIndicator == eSIR_TRUE) {
PowerCapsPopulated = true;
populate_dot11f_power_caps(pMac, &frm.PowerCaps, LIM_REASSOC,
psessionEntry);
populate_dot11f_supp_channels(pMac, &frm.SuppChannels, LIM_REASSOC,
psessionEntry);
}
if (pMac->rrm.rrmPEContext.rrmEnable &&
SIR_MAC_GET_RRM(psessionEntry->limCurrentBssCaps)) {
if (PowerCapsPopulated == false) {
PowerCapsPopulated = true;
populate_dot11f_power_caps(pMac, &frm.PowerCaps,
LIM_REASSOC, psessionEntry);
}
}
if (fQosEnabled)
populate_dot11f_qos_caps_station(pMac, &frm.QOSCapsStation);
populate_dot11f_ext_supp_rates(pMac, POPULATE_DOT11F_RATES_OPERATIONAL,
&frm.ExtSuppRates, psessionEntry);
if (pMac->rrm.rrmPEContext.rrmEnable &&
SIR_MAC_GET_RRM(psessionEntry->limCurrentBssCaps))
populate_dot11f_rrm_ie(pMac, &frm.RRMEnabledCap, psessionEntry);
/* The join request *should* contain zero or one of the WPA and RSN */
/* IEs. The payload send along with the request is a */
/* 'tSirSmeJoinReq'; the IE portion is held inside a 'tSirRSNie': */
/* typedef struct sSirRSNie */
/* { */
/* uint16_t length; */
/* uint8_t rsnIEdata[SIR_MAC_MAX_IE_LENGTH+2]; */
/* } tSirRSNie, *tpSirRSNie; */
/* So, we should be able to make the following two calls harmlessly, */
/* since they do nothing if they don't find the given IE in the */
/* bytestream with which they're provided. */
/* The net effect of this will be to faithfully transmit whatever */
/* security IE is in the join request. */
/**However*, if we're associating for the purpose of WPS */
/* enrollment, and we've been configured to indicate that by */
/* eliding the WPA or RSN IE, we just skip this: */
if (nAddIELen && pAddIE) {
wpsIe = limGetWscIEPtr(pMac, pAddIE, nAddIELen);
}
if (NULL == wpsIe) {
populate_dot11f_rsn_opaque(pMac,
&(psessionEntry->pLimReAssocReq->rsnIE),
&frm.RSNOpaque);
populate_dot11f_wpa_opaque(pMac,
&(psessionEntry->pLimReAssocReq->rsnIE),
&frm.WPAOpaque);
#if defined(FEATURE_WLAN_WAPI)
populate_dot11f_wapi_opaque(pMac,
&(psessionEntry->pLimReAssocReq->
rsnIE), &frm.WAPIOpaque);
#endif /* defined(FEATURE_WLAN_WAPI) */
}
/* include WME EDCA IE as well */
if (fWmeEnabled) {
populate_dot11f_wmm_info_station_per_session(pMac,
psessionEntry,
&frm.WMMInfoStation);
if (fWsmEnabled)
populate_dot11f_wmm_caps(&frm.WMMCaps);
}
if (psessionEntry->htCapability &&
pMac->lim.htCapabilityPresentInBeacon) {
populate_dot11f_ht_caps(pMac, psessionEntry, &frm.HTCaps);
}
if (psessionEntry->vhtCapability &&
psessionEntry->vhtCapabilityPresentInBeacon) {
lim_log(pMac, LOGW, FL("Populate VHT IEs in Re-Assoc Request"));
populate_dot11f_vht_caps(pMac, psessionEntry, &frm.VHTCaps);
isVHTEnabled = true;
}
populate_dot11f_ext_cap(pMac, isVHTEnabled, &frm.ExtCap, psessionEntry);
nStatus = dot11f_get_packed_re_assoc_request_size(pMac, &frm, &nPayload);
if (DOT11F_FAILED(nStatus)) {
lim_log(pMac, LOGP, FL("Failed to calculate the packed size f"
"or a Re-Association Request (0x%08x)."),
nStatus);
/* We'll fall back on the worst case scenario: */
nPayload = sizeof(tDot11fReAssocRequest);
} else if (DOT11F_WARNED(nStatus)) {
lim_log(pMac, LOGW, FL("There were warnings while calculating "
"the packed size for a Re-Association Re "
"quest(0x%08x)."), nStatus);
}
nBytes = nPayload + sizeof(tSirMacMgmtHdr) + nAddIELen;
qdf_status = cds_packet_alloc((uint16_t) nBytes, (void **)&pFrame,
(void **)&pPacket);
if (!QDF_IS_STATUS_SUCCESS(qdf_status)) {
psessionEntry->limMlmState = psessionEntry->limPrevMlmState;
MTRACE(qdf_trace(QDF_MODULE_ID_PE, TRACE_CODE_MLM_STATE,
psessionEntry->peSessionId,
psessionEntry->limMlmState));
lim_log(pMac, LOGP,
FL("Failed to allocate %d bytes for a Re-As"
"sociation Request."), nBytes);
goto end;
}
/* Paranoia: */
qdf_mem_set(pFrame, nBytes, 0);
/* Next, we fill out the buffer descriptor: */
lim_populate_mac_header(pMac, pFrame, SIR_MAC_MGMT_FRAME,
SIR_MAC_MGMT_REASSOC_REQ, psessionEntry->limReAssocbssId,
psessionEntry->selfMacAddr);
pMacHdr = (tpSirMacMgmtHdr) pFrame;
/* That done, pack the Probe Request: */
nStatus = dot11f_pack_re_assoc_request(pMac, &frm, pFrame +
sizeof(tSirMacMgmtHdr),
nPayload, &nPayload);
if (DOT11F_FAILED(nStatus)) {
lim_log(pMac, LOGE, FL("Failed to pack a Re-Association Reque"
"st (0x%08x)."), nStatus);
cds_packet_free((void *)pPacket);
goto end;
} else if (DOT11F_WARNED(nStatus)) {
lim_log(pMac, LOGW, FL("There were warnings while packing a R"
"e-Association Request (0x%08x)."),
nStatus);
}
PELOG1(lim_log
(pMac, LOG1,
FL("*** Sending Re-Association Request length %d" "to "),
nBytes);
)
if (psessionEntry->assocReq != NULL) {
qdf_mem_free(psessionEntry->assocReq);
psessionEntry->assocReq = NULL;
psessionEntry->assocReqLen = 0;
}
if (nAddIELen) {
qdf_mem_copy(pFrame + sizeof(tSirMacMgmtHdr) + nPayload,
pAddIE, nAddIELen);
nPayload += nAddIELen;
}
psessionEntry->assocReq = qdf_mem_malloc(nPayload);
if (NULL == psessionEntry->assocReq) {
lim_log(pMac, LOGE, FL("Unable to allocate mem for assoc req"));
} else {
/* Store the Assoc request. This is sent to csr/hdd in join cnf response. */
qdf_mem_copy(psessionEntry->assocReq,
pFrame + sizeof(tSirMacMgmtHdr), nPayload);
psessionEntry->assocReqLen = nPayload;
}
if ((SIR_BAND_5_GHZ == lim_get_rf_band(psessionEntry->currentOperChannel))
|| (psessionEntry->pePersona == QDF_P2P_CLIENT_MODE) ||
(psessionEntry->pePersona == QDF_P2P_GO_MODE)
) {
txFlag |= HAL_USE_BD_RATE2_FOR_MANAGEMENT_FRAME;
}
if (psessionEntry->pePersona == QDF_P2P_CLIENT_MODE ||
psessionEntry->pePersona == QDF_STA_MODE)
txFlag |= HAL_USE_PEER_STA_REQUESTED_MASK;
#ifdef FEATURE_WLAN_DIAG_SUPPORT
lim_diag_event_report(pMac, WLAN_PE_DIAG_REASSOC_START_EVENT,
psessionEntry, eSIR_SUCCESS, eSIR_SUCCESS);
#endif
MTRACE(qdf_trace(QDF_MODULE_ID_PE, TRACE_CODE_TX_MGMT,
psessionEntry->peSessionId, pMacHdr->fc.subType));
qdf_status =
wma_tx_frame(pMac, pPacket,
(uint16_t) (sizeof(tSirMacMgmtHdr) + nPayload),
TXRX_FRM_802_11_MGMT, ANI_TXDIR_TODS, 7,
lim_tx_complete, pFrame, txFlag, smeSessionId, 0);
MTRACE(qdf_trace
(QDF_MODULE_ID_PE, TRACE_CODE_TX_COMPLETE,
psessionEntry->peSessionId, qdf_status));
if (!QDF_IS_STATUS_SUCCESS(qdf_status)) {
lim_log(pMac, LOGE,
FL("Failed to send Re-Association Request (%X)!"),
qdf_status);
/* Pkt will be freed up by the callback */
}
end:
/* Free up buffer allocated for mlmAssocReq */
qdf_mem_free(pMlmReassocReq);
psessionEntry->pLimMlmReassocReq = NULL;
} /* lim_send_reassoc_req_mgmt_frame */
/** /**
* lim_auth_tx_complete_cnf()- Confirmation for auth sent over the air * lim_auth_tx_complete_cnf()- Confirmation for auth sent over the air
* *