diff options
| author | Eliad Peller <eliad@wizery.com> | 2011-09-15 13:07:04 +0400 |
|---|---|---|
| committer | Luciano Coelho <coelho@ti.com> | 2011-09-23 15:38:47 +0400 |
| commit | d48055d9fc730a7389bac782f98a96de763129e3 (patch) | |
| tree | da5cc08a534992f807a36d572789c2b381927ea5 /drivers | |
| parent | 06b660e1a31cf1c7bdcfb87ebf7785dd715b7d17 (diff) | |
| download | linux-d48055d9fc730a7389bac782f98a96de763129e3.tar.xz | |
wl12xx: remove TIM ie from probe response
wl12xx uses the beacon as the probe response template.
However, the beacon includes a TIM ie, which shouldn't
exist in the probe response.
Delete it from the skb before configuring the probe
response template.
Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/wireless/wl12xx/main.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/drivers/net/wireless/wl12xx/main.c b/drivers/net/wireless/wl12xx/main.c index 7218944f4700..a6c22ad0f575 100644 --- a/drivers/net/wireless/wl12xx/main.c +++ b/drivers/net/wireless/wl12xx/main.c @@ -3069,6 +3069,20 @@ static int wl1271_ssid_set(struct wl1271 *wl, struct sk_buff *skb, return 0; } +static void wl12xx_remove_ie(struct sk_buff *skb, u8 eid, int ieoffset) +{ + int len; + const u8 *next, *end = skb->data + skb->len; + u8 *ie = (u8 *)cfg80211_find_ie(eid, skb->data + ieoffset, + skb->len - ieoffset); + if (!ie) + return; + len = ie[1] + 2; + next = ie + len; + memmove(ie, next, end - next); + skb_trim(skb, skb->len - len); +} + static int wl1271_bss_erp_info_changed(struct wl1271 *wl, struct ieee80211_bss_conf *bss_conf, u32 changed) @@ -3151,6 +3165,9 @@ static int wl1271_bss_beacon_info_changed(struct wl1271 *wl, goto out; } + /* remove TIM ie from probe response */ + wl12xx_remove_ie(beacon, WLAN_EID_TIM, ieoffset); + hdr = (struct ieee80211_hdr *) beacon->data; hdr->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_RESP); |