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>
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@ -3069,6 +3069,20 @@ static int wl1271_ssid_set(struct wl1271 *wl, struct sk_buff *skb,
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return 0;
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}
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static void wl12xx_remove_ie(struct sk_buff *skb, u8 eid, int ieoffset)
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{
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int len;
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const u8 *next, *end = skb->data + skb->len;
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u8 *ie = (u8 *)cfg80211_find_ie(eid, skb->data + ieoffset,
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skb->len - ieoffset);
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if (!ie)
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return;
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len = ie[1] + 2;
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next = ie + len;
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memmove(ie, next, end - next);
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skb_trim(skb, skb->len - len);
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}
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static int wl1271_bss_erp_info_changed(struct wl1271 *wl,
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struct ieee80211_bss_conf *bss_conf,
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u32 changed)
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@ -3151,6 +3165,9 @@ static int wl1271_bss_beacon_info_changed(struct wl1271 *wl,
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goto out;
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}
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/* remove TIM ie from probe response */
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wl12xx_remove_ie(beacon, WLAN_EID_TIM, ieoffset);
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hdr = (struct ieee80211_hdr *) beacon->data;
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hdr->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
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IEEE80211_STYPE_PROBE_RESP);
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