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nl80211: Fix sending proper VLAN ID attr value when using VLAN offload

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The NL80211_ATTR_VLAN_ID attribute expects non-zero values, but vlan_id
with value 0 has been set in VLAN offload case. Due to this, station
connection failure is observed if the driver advertises VLAN_OFFLOAD
support:

nl80211: NL80211_ATTR_STA_VLAN (addr=8c:fd:f0:22:19:15 ifname=wlan0
         vlan_id=0) failed: -34 (Result not representable)
wlan0: STA 8c:fd:f0:22:19:15 IEEE 802.11: could not bind the STA
         entry to vlan_id=0

Fix this by setting only non-zero values.

Fixes: 0f903f37dc ("nl80211: VLAN offload support")
Signed-off-by: Seevalamuthu Mariappan <seevalam@codeaurora.org>
This commit is contained in:
Seevalamuthu Mariappan 2020-06-11 17:07:35 +05:30 committed by Jouni Malinen
parent a57f98754e
commit cc6153a8a4
1 changed files with 1 additions and 1 deletions
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2
src/drivers/driver_nl80211.c
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@ -6975,7 +6975,7 @@ static int i802_set_sta_vlan(struct i802_bss *bss, const u8 *addr,
MAC2STR(addr), ifname, if_nametoindex(ifname), vlan_id);
if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_STATION)) ||
nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
((drv->capa.flags & WPA_DRIVER_FLAGS_VLAN_OFFLOAD) &&
(vlan_id && (drv->capa.flags & WPA_DRIVER_FLAGS_VLAN_OFFLOAD) &&
nla_put_u16(msg, NL80211_ATTR_VLAN_ID, vlan_id)) ||
nla_put_u32(msg, NL80211_ATTR_STA_VLAN, if_nametoindex(ifname))) {
nlmsg_free(msg);