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WNM: Move disassociation imminent sending to wnm_ap.c 

This gets all WNM BSS Transition Management frame building and sending
within hostapd into the same location.

Signed-hostap: Jouni Malinen <j@w1.fi>
This commit is contained in:
Jouni Malinen 2013-12-27 19:40:04 +02:00
parent b76f4c2763
commit 8d321a7d4c
3 changed files with 45 additions and 24 deletions
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31
hostapd/ctrl_iface.c
View File

@ -666,9 +666,8 @@ static int hostapd_ctrl_iface_disassoc_imminent(struct hostapd_data *hapd,
const char *cmd)
{
u8 addr[ETH_ALEN];
u8 buf[1000], *pos;
struct ieee80211_mgmt *mgmt;
int disassoc_timer;
struct sta_info *sta;
if (hwaddr_aton(cmd, addr))
return -1;
@ -676,31 +675,15 @@ static int hostapd_ctrl_iface_disassoc_imminent(struct hostapd_data *hapd,
return -1;
disassoc_timer = atoi(cmd + 17);
os_memset(buf, 0, sizeof(buf));
mgmt = (struct ieee80211_mgmt *) buf;
mgmt->frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT,
WLAN_FC_STYPE_ACTION);
os_memcpy(mgmt->da, addr, ETH_ALEN);
os_memcpy(mgmt->sa, hapd->own_addr, ETH_ALEN);
os_memcpy(mgmt->bssid, hapd->own_addr, ETH_ALEN);
mgmt->u.action.category = WLAN_ACTION_WNM;
mgmt->u.action.u.bss_tm_req.action = WNM_BSS_TRANS_MGMT_REQ;
mgmt->u.action.u.bss_tm_req.dialog_token = 1;
mgmt->u.action.u.bss_tm_req.req_mode =
WNM_BSS_TM_REQ_DISASSOC_IMMINENT;
mgmt->u.action.u.bss_tm_req.disassoc_timer =
host_to_le16(disassoc_timer);
mgmt->u.action.u.bss_tm_req.validity_interval = 0;
pos = mgmt->u.action.u.bss_tm_req.variable;
if (hostapd_drv_send_mlme(hapd, buf, pos - buf, 0) < 0) {
wpa_printf(MSG_DEBUG, "Failed to send BSS Transition "
"Management Request frame");
sta = ap_get_sta(hapd, addr);
if (sta == NULL) {
wpa_printf(MSG_DEBUG, "Station " MACSTR
" not found for disassociation imminent message",
MAC2STR(addr));
return -1;
}
return 0;
return wnm_send_disassoc_imminent(hapd, sta, disassoc_timer);
}

36
src/ap/wnm_ap.c
View File

@ -395,6 +395,42 @@ int ieee802_11_rx_wnm_action_ap(struct hostapd_data *hapd,
}
int wnm_send_disassoc_imminent(struct hostapd_data *hapd,
struct sta_info *sta, int disassoc_timer)
{
u8 buf[1000], *pos;
struct ieee80211_mgmt *mgmt;
os_memset(buf, 0, sizeof(buf));
mgmt = (struct ieee80211_mgmt *) buf;
mgmt->frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT,
WLAN_FC_STYPE_ACTION);
os_memcpy(mgmt->da, sta->addr, ETH_ALEN);
os_memcpy(mgmt->sa, hapd->own_addr, ETH_ALEN);
os_memcpy(mgmt->bssid, hapd->own_addr, ETH_ALEN);
mgmt->u.action.category = WLAN_ACTION_WNM;
mgmt->u.action.u.bss_tm_req.action = WNM_BSS_TRANS_MGMT_REQ;
mgmt->u.action.u.bss_tm_req.dialog_token = 1;
mgmt->u.action.u.bss_tm_req.req_mode =
WNM_BSS_TM_REQ_DISASSOC_IMMINENT;
mgmt->u.action.u.bss_tm_req.disassoc_timer =
host_to_le16(disassoc_timer);
mgmt->u.action.u.bss_tm_req.validity_interval = 0;
pos = mgmt->u.action.u.bss_tm_req.variable;
wpa_printf(MSG_DEBUG, "WNM: Send BSS Transition Management Request frame to indicate imminent disassociation (disassoc_timer=%d) to "
MACSTR, disassoc_timer, MAC2STR(sta->addr));
if (hostapd_drv_send_mlme(hapd, buf, pos - buf, 0) < 0) {
wpa_printf(MSG_DEBUG, "Failed to send BSS Transition "
"Management Request frame");
return -1;
}
return 0;
}
int wnm_send_ess_disassoc_imminent(struct hostapd_data *hapd,
struct sta_info *sta, const char *url,
int disassoc_timer)

2
src/ap/wnm_ap.h
View File

@ -14,6 +14,8 @@ struct sta_info;
int ieee802_11_rx_wnm_action_ap(struct hostapd_data *hapd,
struct rx_action *action);
int wnm_send_disassoc_imminent(struct hostapd_data *hapd,
struct sta_info *sta, int disassoc_timer);
int wnm_send_ess_disassoc_imminent(struct hostapd_data *hapd,
struct sta_info *sta, const char *url,
int disassoc_timer);