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mac80211: convert S1G beacon to scan results

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This commit finds the correct offset for Information
Elements in S1G beacon frames so they can be reported in
scan results.

Signed-off-by: Thomas Pedersen <thomas@adapt-ip.com>
Link: https://lore.kernel.org/r/20200922022818.15855-8-thomas@adapt-ip.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Thomas Pedersen
2020-09-21 19:28:08 -07:00
committed by Johannes Berg
parent 66b0564d7e
commit cd418ba63f
4 changed files with 40 additions and 5 deletions
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22
net/mac80211/util.c
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@@ -1003,6 +1003,10 @@ _ieee802_11_parse_elems_crc(const u8 *start, size_t len, bool action,
case WLAN_EID_LINK_ID:
case WLAN_EID_BSS_MAX_IDLE_PERIOD:
case WLAN_EID_RSNX:
case WLAN_EID_S1G_BCN_COMPAT:
case WLAN_EID_S1G_CAPABILITIES:
case WLAN_EID_S1G_OPERATION:
case WLAN_EID_S1G_SHORT_BCN_INTERVAL:
/*
* not listing WLAN_EID_CHANNEL_SWITCH_WRAPPER -- it seems possible
* that if the content gets bigger it might be needed more than once
@@ -1288,6 +1292,24 @@ _ieee802_11_parse_elems_crc(const u8 *start, size_t len, bool action,
&crc : NULL,
elem, elems);
break;
case WLAN_EID_S1G_CAPABILITIES:
if (elen == sizeof(*elems->s1g_capab))
elems->s1g_capab = (void *)pos;
else
elem_parse_failed = true;
break;
case WLAN_EID_S1G_OPERATION:
if (elen == sizeof(*elems->s1g_oper))
elems->s1g_oper = (void *)pos;
else
elem_parse_failed = true;
break;
case WLAN_EID_S1G_BCN_COMPAT:
if (elen == sizeof(*elems->s1g_bcn_compat))
elems->s1g_bcn_compat = (void *)pos;
else
elem_parse_failed = true;
break;
default:
break;
}