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mac80211: pass all probe request IEs to driver

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Instead of just passing the cfg80211-requested IEs, pass
the locally generated ones as well.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Johannes Berg
2009-04-01 11:58:36 +02:00
committed by John W. Linville
parent 18a8365992
commit de95a54b1a
7 changed files with 123 additions and 56 deletions
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79
net/mac80211/util.c
View File

@@ -831,16 +831,57 @@ void ieee80211_send_auth(struct ieee80211_sub_if_data *sdata,
ieee80211_tx_skb(sdata, skb, encrypt);
}
int ieee80211_build_preq_ies(struct ieee80211_local *local, u8 *buffer,
const u8 *ie, size_t ie_len)
{
struct ieee80211_supported_band *sband;
u8 *pos, *supp_rates_len, *esupp_rates_len = NULL;
int i;
sband = local->hw.wiphy->bands[local->hw.conf.channel->band];
pos = buffer;
*pos++ = WLAN_EID_SUPP_RATES;
supp_rates_len = pos;
*pos++ = 0;
for (i = 0; i < sband->n_bitrates; i++) {
struct ieee80211_rate *rate = &sband->bitrates[i];
if (esupp_rates_len) {
*esupp_rates_len += 1;
} else if (*supp_rates_len == 8) {
*pos++ = WLAN_EID_EXT_SUPP_RATES;
esupp_rates_len = pos;
*pos++ = 1;
} else
*supp_rates_len += 1;
*pos++ = rate->bitrate / 5;
}
/*
* If adding more here, adjust code in main.c
* that calculates local->scan_ies_len.
*/
if (ie) {
memcpy(pos, ie, ie_len);
pos += ie_len;
}
return pos - buffer;
}
void ieee80211_send_probe_req(struct ieee80211_sub_if_data *sdata, u8 *dst,
u8 *ssid, size_t ssid_len,
u8 *ie, size_t ie_len)
const u8 *ssid, size_t ssid_len,
const u8 *ie, size_t ie_len)
{
struct ieee80211_local *local = sdata->local;
struct ieee80211_supported_band *sband;
struct sk_buff *skb;
struct ieee80211_mgmt *mgmt;
u8 *pos, *supp_rates, *esupp_rates = NULL;
int i;
u8 *pos;
skb = dev_alloc_skb(local->hw.extra_tx_headroom + sizeof(*mgmt) + 200 +
ie_len);
@@ -867,33 +908,9 @@ void ieee80211_send_probe_req(struct ieee80211_sub_if_data *sdata, u8 *dst,
*pos++ = WLAN_EID_SSID;
*pos++ = ssid_len;
memcpy(pos, ssid, ssid_len);
pos += ssid_len;
supp_rates = skb_put(skb, 2);
supp_rates[0] = WLAN_EID_SUPP_RATES;
supp_rates[1] = 0;
sband = local->hw.wiphy->bands[local->hw.conf.channel->band];
for (i = 0; i < sband->n_bitrates; i++) {
struct ieee80211_rate *rate = &sband->bitrates[i];
if (esupp_rates) {
pos = skb_put(skb, 1);
esupp_rates[1]++;
} else if (supp_rates[1] == 8) {
esupp_rates = skb_put(skb, 3);
esupp_rates[0] = WLAN_EID_EXT_SUPP_RATES;
esupp_rates[1] = 1;
pos = &esupp_rates[2];
} else {
pos = skb_put(skb, 1);
supp_rates[1]++;
}
*pos = rate->bitrate / 5;
}
/* if adding more here, adjust max_scan_ie_len */
if (ie)
memcpy(skb_put(skb, ie_len), ie, ie_len);
skb_put(skb, ieee80211_build_preq_ies(local, pos, ie, ie_len));
ieee80211_tx_skb(sdata, skb, 0);
}