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mac80211: fix supported rates IE if AP doesn't give us it's rates

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commit 76f2736401 upstream.

If AP do not provide us supported rates before assiociation, send
all rates we are supporting instead of empty information element.

v1 -> v2: Add comment.

Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Stanislaw Gruszka 2010-04-28 17:03:15 +02:00 committed by Greg Kroah-Hartman
parent 4abe1cbd9c
commit fe2dba54e0
1 changed files with 11 additions and 6 deletions
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17
net/mac80211/mlme.c
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@ -269,12 +269,6 @@ static void ieee80211_send_assoc(struct ieee80211_sub_if_data *sdata,
if (wk->bss->wmm_used)
wmm = 1;
/* get all rates supported by the device and the AP as
* some APs don't like getting a superset of their rates
* in the association request (e.g. D-Link DAP 1353 in
* b-only mode) */
rates_len = ieee80211_compatible_rates(wk->bss, sband, &rates);
if ((wk->bss->cbss.capability & WLAN_CAPABILITY_SPECTRUM_MGMT) &&
(local->hw.flags & IEEE80211_HW_SPECTRUM_MGMT))
capab |= WLAN_CAPABILITY_SPECTRUM_MGMT;
@ -309,6 +303,17 @@ static void ieee80211_send_assoc(struct ieee80211_sub_if_data *sdata,
*pos++ = wk->ssid_len;
memcpy(pos, wk->ssid, wk->ssid_len);
if (wk->bss->supp_rates_len) {
/* get all rates supported by the device and the AP as
* some APs don't like getting a superset of their rates
* in the association request (e.g. D-Link DAP 1353 in
* b-only mode) */
rates_len = ieee80211_compatible_rates(wk->bss, sband, &rates);
} else {
rates = ~0;
rates_len = sband->n_bitrates;
}
/* add all rates which were marked to be used above */
supp_rates_len = rates_len;
if (supp_rates_len > 8)