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mac80211: In IBSS the DA field of auth frames is different from BSSID 

In case of authentication frame exchange between two IBSS STAs, the
DA field must contain the destinatioin address (instead of the BSSID).

Signed-off-by: Antonio Quartulli <ordex@autistici.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Antonio Quartulli 2012-01-09 19:43:06 +01:00 committed by John W. Linville
parent e9980e6d20
commit efa6a09db6
4 changed files with 8 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
net/mac80211/ibss.c
View File

@ -57,7 +57,7 @@ static void ieee80211_rx_mgmt_auth_ibss(struct ieee80211_sub_if_data *sdata,
* has actually implemented this.
*/
if (auth_alg == WLAN_AUTH_OPEN && auth_transaction == 1)
ieee80211_send_auth(sdata, 2, WLAN_AUTH_OPEN, NULL, 0,
ieee80211_send_auth(sdata, 2, WLAN_AUTH_OPEN, NULL, 0, mgmt->sa,
sdata->u.ibss.bssid, NULL, 0, 0);
}

2
net/mac80211/ieee80211_i.h
View File

@ -1396,7 +1396,7 @@ void ieee80211_add_pending_skbs_fn(struct ieee80211_local *local,
void ieee80211_send_auth(struct ieee80211_sub_if_data *sdata,
u16 transaction, u16 auth_alg,
u8 *extra, size_t extra_len, const u8 *bssid,
const u8 *key, u8 key_len, u8 key_idx);
const u8 *da, const u8 *key, u8 key_len, u8 key_idx);
int ieee80211_build_preq_ies(struct ieee80211_local *local, u8 *buffer,
const u8 *ie, size_t ie_len,
enum ieee80211_band band, u32 rate_mask,

6
net/mac80211/util.c
View File

@ -862,8 +862,8 @@ u32 ieee80211_mandatory_rates(struct ieee80211_local *local,
void ieee80211_send_auth(struct ieee80211_sub_if_data *sdata,
u16 transaction, u16 auth_alg,
u8 *extra, size_t extra_len, const u8 *bssid,
const u8 *key, u8 key_len, u8 key_idx)
u8 *extra, size_t extra_len, const u8 *da,
const u8 *bssid, const u8 *key, u8 key_len, u8 key_idx)
{
struct ieee80211_local *local = sdata->local;
struct sk_buff *skb;
@ -881,7 +881,7 @@ void ieee80211_send_auth(struct ieee80211_sub_if_data *sdata,
memset(mgmt, 0, 24 + 6);
mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
IEEE80211_STYPE_AUTH);
memcpy(mgmt->da, bssid, ETH_ALEN);
memcpy(mgmt->da, da, ETH_ALEN);
memcpy(mgmt->sa, sdata->vif.addr, ETH_ALEN);
memcpy(mgmt->bssid, bssid, ETH_ALEN);
mgmt->u.auth.auth_alg = cpu_to_le16(auth_alg);

5
net/mac80211/work.c
View File

@ -480,7 +480,8 @@ ieee80211_authenticate(struct ieee80211_work *wk)
sdata->name, wk->filter_ta, wk->probe_auth.tries);
ieee80211_send_auth(sdata, 1, wk->probe_auth.algorithm, wk->ie,
wk->ie_len, wk->filter_ta, NULL, 0, 0);
wk->ie_len, wk->filter_ta, wk->filter_ta, NULL, 0,
0);
wk->probe_auth.transaction = 2;
wk->timeout = jiffies + IEEE80211_AUTH_TIMEOUT;
@ -598,7 +599,7 @@ static void ieee80211_auth_challenge(struct ieee80211_work *wk,
return;
ieee80211_send_auth(sdata, 3, wk->probe_auth.algorithm,
elems.challenge - 2, elems.challenge_len + 2,
wk->filter_ta, wk->probe_auth.key,
wk->filter_ta, wk->filter_ta, wk->probe_auth.key,
wk->probe_auth.key_len, wk->probe_auth.key_idx);
wk->probe_auth.transaction = 4;
}