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qcacld-3.0: Add debugs to dump Vendor IEs in the AP's beacon/probe response

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Add debugs to dump all the Vendor IEs of tag type 221 to identify
the IEs sent in the AP's beacons/probe response without need to sniffer.

Change-Id: I1896adc12b49a54e4cf39794e802c04f7ad22080
CRs-Fixed: 2156913
This commit is contained in:
Vignesh Viswanathan
2017-12-11 20:35:34 +05:30
committed by snandini
parent e3a0acd156
commit 8d2d6e0e26
1 changed files with 38 additions and 0 deletions
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38
core/mac/src/pe/lim/lim_prop_exts_utils.c
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@@ -143,6 +143,43 @@ static uint8_t lim_get_nss_supported_by_beacon(tpSchBeaconStruct bcn,
return 1; return 1;
} }
/**
* lim_dump_vendor_ies() - Dumps all the vendor IEs
* @ie: ie buffer
* @ie_len: length of ie buffer
*
* This function dumps the vendor IEs present in the AP's IE buffer
*
* Return: none
*/
static
void lim_dump_vendor_ies(uint8_t *ie, uint16_t ie_len)
{
int32_t left = ie_len;
uint8_t *ptr = ie;
uint8_t elem_id, elem_len;
while (left >= 2) {
elem_id = ptr[0];
elem_len = ptr[1];
left -= 2;
if (elem_len > left) {
pe_err("Invalid IEs eid: %d elem_len: %d left: %d",
elem_id, elem_len, left);
return;
}
if (SIR_MAC_EID_VENDOR == elem_id) {
pe_debug("Dumping Vendor IE of len %d", elem_len);
QDF_TRACE_HEX_DUMP(QDF_MODULE_ID_PE,
QDF_TRACE_LEVEL_DEBUG,
&ptr[2], elem_len);
}
left -= elem_len;
ptr += (elem_len + 2);
}
}
/** /**
* lim_check_vendor_ap_present() - checks if the Vendor OUIs are present * lim_check_vendor_ap_present() - checks if the Vendor OUIs are present
* in the IE buffer * in the IE buffer
@@ -168,6 +205,7 @@ lim_check_vendor_ap_present(uint8_t *ie, uint16_t ie_len,
uint8_t elem_data[SIR_MAC_VENDOR_AP_2_DATA_LEN]; uint8_t elem_data[SIR_MAC_VENDOR_AP_2_DATA_LEN];
nss = lim_get_nss_supported_by_beacon(beacon_struct, session); nss = lim_get_nss_supported_by_beacon(beacon_struct, session);
lim_dump_vendor_ies(ie, ie_len);
/* /*
* for SIR_MAC_VENDOR_AP_1_OUI, check for Vendor OUI and if it is 2x2 * for SIR_MAC_VENDOR_AP_1_OUI, check for Vendor OUI and if it is 2x2
*/ */