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Made 802.11 management frame IE parser aware of vendor HT Capab IE

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This IE is not (at least yet) actually used for anything, but parsing it
cleans up verbose debug log a bit since thie previously unknown, but
commonly used, vendor IE was being reported as unknown.
This commit is contained in:
Jouni Malinen 2008-12-04 13:42:33 +02:00 committed by Jouni Malinen
parent 4a7b9f885f
commit 15828ba820
3 changed files with 22 additions and 0 deletions
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15
src/common/ieee802_11_common.c
View file

@ -89,6 +89,21 @@ static int ieee802_11_parse_vendor_specific(u8 *pos, size_t elen,
}
break;
case OUI_BROADCOM:
switch (pos[3]) {
case VENDOR_HT_CAPAB_OUI_TYPE:
elems->vendor_ht_cap = pos;
elems->vendor_ht_cap_len = elen;
break;
default:
wpa_printf(MSG_MSGDUMP, "Unknown Broadcom "
"information element ignored "
"(type=%d len=%lu)\n",
pos[3], (unsigned long) elen);
return -1;
}
break;
default:
wpa_printf(MSG_MSGDUMP, "unknown vendor specific information "
"element ignored (vendor OUI %02x:%02x:%02x "

2
src/common/ieee802_11_common.h
View file

@ -61,6 +61,8 @@ struct ieee802_11_elems {
u8 ht_operation_len;
u8 *assoc_comeback;
u8 assoc_comeback_len;
u8 *vendor_ht_cap;
u8 vendor_ht_cap_len;
};
typedef enum { ParseOK = 0, ParseUnknown = 1, ParseFailed = -1 } ParseRes;

5
src/common/ieee802_11_defs.h
View file

@ -578,4 +578,9 @@ struct mimo_pwr_save_action {
#define WME_TSPEC_DIRECTION_DOWNLINK 1
#define WME_TSPEC_DIRECTION_BI_DIRECTIONAL 3
#define OUI_BROADCOM 0x00904c /* Broadcom (Epigram) */
#define VENDOR_HT_CAPAB_OUI_TYPE 0x33 /* 00-90-4c:0x33 */
#endif /* IEEE802_11_DEFS_H */