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nl80211: Don't send BSSID with disconnect command

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NL80211_CMD_DISCONNECT doesn't need BSSID, because cfg80211
uses locally saved value.

Signed-hostap: Mykyta Iziumtsev <mykyta.iziumtsev@gmail.com>
This commit is contained in:
Mykyta Iziumtsev 2012-09-29 19:01:50 +03:00 committed by Jouni Malinen
parent 30b8038921
commit 817762d9c4
1 changed files with 10 additions and 57 deletions
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67
src/drivers/driver_nl80211.c
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@ -4446,7 +4446,8 @@ static int wpa_driver_nl80211_mlme(struct wpa_driver_nl80211_data *drv,
NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex); NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
NLA_PUT_U16(msg, NL80211_ATTR_REASON_CODE, reason_code); NLA_PUT_U16(msg, NL80211_ATTR_REASON_CODE, reason_code);
NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, addr); if (addr)
NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, addr);
if (local_state_change) if (local_state_change)
NLA_PUT_FLAG(msg, NL80211_ATTR_LOCAL_STATE_CHANGE); NLA_PUT_FLAG(msg, NL80211_ATTR_LOCAL_STATE_CHANGE);
@ -4467,12 +4468,12 @@ nla_put_failure:
static int wpa_driver_nl80211_disconnect(struct wpa_driver_nl80211_data *drv, static int wpa_driver_nl80211_disconnect(struct wpa_driver_nl80211_data *drv,
const u8 *addr, int reason_code) int reason_code)
{ {
wpa_printf(MSG_DEBUG, "%s(addr=" MACSTR " reason_code=%d)", wpa_printf(MSG_DEBUG, "%s(reason_code=%d)", __func__, reason_code);
__func__, MAC2STR(addr), reason_code);
drv->associated = 0; drv->associated = 0;
return wpa_driver_nl80211_mlme(drv, addr, NL80211_CMD_DISCONNECT, /* Disconnect command doesn't need BSSID - it uses cached value */
return wpa_driver_nl80211_mlme(drv, NULL, NL80211_CMD_DISCONNECT,
reason_code, 0); reason_code, 0);
} }
@ -4483,7 +4484,7 @@ static int wpa_driver_nl80211_deauthenticate(void *priv, const u8 *addr,
struct i802_bss *bss = priv; struct i802_bss *bss = priv;
struct wpa_driver_nl80211_data *drv = bss->drv; struct wpa_driver_nl80211_data *drv = bss->drv;
if (!(drv->capa.flags & WPA_DRIVER_FLAGS_SME)) if (!(drv->capa.flags & WPA_DRIVER_FLAGS_SME))
return wpa_driver_nl80211_disconnect(drv, addr, reason_code); return wpa_driver_nl80211_disconnect(drv, reason_code);
wpa_printf(MSG_DEBUG, "%s(addr=" MACSTR " reason_code=%d)", wpa_printf(MSG_DEBUG, "%s(addr=" MACSTR " reason_code=%d)",
__func__, MAC2STR(addr), reason_code); __func__, MAC2STR(addr), reason_code);
drv->associated = 0; drv->associated = 0;
@ -4500,7 +4501,7 @@ static int wpa_driver_nl80211_disassociate(void *priv, const u8 *addr,
struct i802_bss *bss = priv; struct i802_bss *bss = priv;
struct wpa_driver_nl80211_data *drv = bss->drv; struct wpa_driver_nl80211_data *drv = bss->drv;
if (!(drv->capa.flags & WPA_DRIVER_FLAGS_SME)) if (!(drv->capa.flags & WPA_DRIVER_FLAGS_SME))
return wpa_driver_nl80211_disconnect(drv, addr, reason_code); return wpa_driver_nl80211_disconnect(drv, reason_code);
wpa_printf(MSG_DEBUG, "%s", __func__); wpa_printf(MSG_DEBUG, "%s", __func__);
drv->associated = 0; drv->associated = 0;
return wpa_driver_nl80211_mlme(drv, addr, NL80211_CMD_DISASSOCIATE, return wpa_driver_nl80211_mlme(drv, addr, NL80211_CMD_DISASSOCIATE,
@ -6617,55 +6618,6 @@ nla_put_failure:
} }
static unsigned int nl80211_get_assoc_bssid(struct wpa_driver_nl80211_data *drv,
u8 *bssid)
{
struct nl_msg *msg;
int ret;
struct nl80211_bss_info_arg arg;
os_memset(&arg, 0, sizeof(arg));
msg = nlmsg_alloc();
if (!msg)
goto nla_put_failure;
nl80211_cmd(drv, msg, NLM_F_DUMP, NL80211_CMD_GET_SCAN);
NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
arg.drv = drv;
ret = send_and_recv_msgs(drv, msg, bss_info_handler, &arg);
msg = NULL;
if (ret == 0) {
if (is_zero_ether_addr(arg.assoc_bssid))
return -ENOTCONN;
os_memcpy(bssid, arg.assoc_bssid, ETH_ALEN);
return 0;
}
wpa_printf(MSG_DEBUG, "nl80211: Scan result fetch failed: ret=%d "
"(%s)", ret, strerror(-ret));
nla_put_failure:
nlmsg_free(msg);
return drv->assoc_freq;
}
static int nl80211_disconnect(struct wpa_driver_nl80211_data *drv,
const u8 *bssid)
{
u8 addr[ETH_ALEN];
if (bssid == NULL) {
int res = nl80211_get_assoc_bssid(drv, addr);
if (res)
return res;
bssid = addr;
}
return wpa_driver_nl80211_disconnect(drv, bssid,
WLAN_REASON_PREV_AUTH_NOT_VALID);
}
static int wpa_driver_nl80211_connect( static int wpa_driver_nl80211_connect(
struct wpa_driver_nl80211_data *drv, struct wpa_driver_nl80211_data *drv,
struct wpa_driver_associate_params *params) struct wpa_driver_associate_params *params)
@ -6843,7 +6795,8 @@ skip_auth_type:
* disconnection. * disconnection.
*/ */
if (ret == -EALREADY) if (ret == -EALREADY)
nl80211_disconnect(drv, params->bssid); wpa_driver_nl80211_disconnect(
drv, WLAN_REASON_PREV_AUTH_NOT_VALID);
goto nla_put_failure; goto nla_put_failure;
} }
ret = 0; ret = 0;