}
/* frame sending functions */
-void ieee80211_sta_tx(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb,
- int encrypt)
-{
- skb->dev = sdata->local->mdev;
- skb_set_mac_header(skb, 0);
- skb_set_network_header(skb, 0);
- skb_set_transport_header(skb, 0);
-
- skb->iif = sdata->dev->ifindex;
- skb->do_not_encrypt = !encrypt;
-
- dev_queue_xmit(skb);
-}
-
static void ieee80211_send_auth(struct ieee80211_sub_if_data *sdata,
struct ieee80211_if_sta *ifsta,
int transaction, u8 *extra, size_t extra_len,
if (extra)
memcpy(skb_put(skb, extra_len), extra, extra_len);
- ieee80211_sta_tx(sdata, skb, encrypt);
+ ieee80211_tx_skb(sdata, skb, encrypt);
}
void ieee80211_send_probe_req(struct ieee80211_sub_if_data *sdata, u8 *dst,
*pos = rate->bitrate / 5;
}
- ieee80211_sta_tx(sdata, skb, 0);
+ ieee80211_tx_skb(sdata, skb, 0);
}
static void ieee80211_send_assoc(struct ieee80211_sub_if_data *sdata,
if (ifsta->assocreq_ies)
memcpy(ifsta->assocreq_ies, ies, ifsta->assocreq_ies_len);
- ieee80211_sta_tx(sdata, skb, 0);
+ ieee80211_tx_skb(sdata, skb, 0);
}
/* u.deauth.reason_code == u.disassoc.reason_code */
mgmt->u.deauth.reason_code = cpu_to_le16(reason);
- ieee80211_sta_tx(sdata, skb, 0);
-}
-
-static void ieee80211_send_refuse_measurement_request(struct ieee80211_sub_if_data *sdata,
- struct ieee80211_msrment_ie *request_ie,
- const u8 *da, const u8 *bssid,
- u8 dialog_token)
-{
- struct ieee80211_local *local = sdata->local;
- struct sk_buff *skb;
- struct ieee80211_mgmt *msr_report;
-
- skb = dev_alloc_skb(sizeof(*msr_report) + local->hw.extra_tx_headroom +
- sizeof(struct ieee80211_msrment_ie));
-
- if (!skb) {
- printk(KERN_ERR "%s: failed to allocate buffer for "
- "measurement report frame\n", sdata->dev->name);
- return;
- }
-
- skb_reserve(skb, local->hw.extra_tx_headroom);
- msr_report = (struct ieee80211_mgmt *)skb_put(skb, 24);
- memset(msr_report, 0, 24);
- memcpy(msr_report->da, da, ETH_ALEN);
- memcpy(msr_report->sa, sdata->dev->dev_addr, ETH_ALEN);
- memcpy(msr_report->bssid, bssid, ETH_ALEN);
- msr_report->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
- IEEE80211_STYPE_ACTION);
-
- skb_put(skb, 1 + sizeof(msr_report->u.action.u.measurement));
- msr_report->u.action.category = WLAN_CATEGORY_SPECTRUM_MGMT;
- msr_report->u.action.u.measurement.action_code =
- WLAN_ACTION_SPCT_MSR_RPRT;
- msr_report->u.action.u.measurement.dialog_token = dialog_token;
-
- msr_report->u.action.u.measurement.element_id = WLAN_EID_MEASURE_REPORT;
- msr_report->u.action.u.measurement.length =
- sizeof(struct ieee80211_msrment_ie);
-
- memset(&msr_report->u.action.u.measurement.msr_elem, 0,
- sizeof(struct ieee80211_msrment_ie));
- msr_report->u.action.u.measurement.msr_elem.token = request_ie->token;
- msr_report->u.action.u.measurement.msr_elem.mode |=
- IEEE80211_SPCT_MSR_RPRT_MODE_REFUSED;
- msr_report->u.action.u.measurement.msr_elem.type = request_ie->type;
-
- ieee80211_sta_tx(sdata, skb, 0);
+ ieee80211_tx_skb(sdata, skb, 0);
}
/* MLME */
elems.challenge_len + 2, 1);
}
-static void ieee80211_sta_process_measurement_req(struct ieee80211_sub_if_data *sdata,
- struct ieee80211_mgmt *mgmt,
- size_t len)
-{
- /*
- * Ignoring measurement request is spec violation.
- * Mandatory measurements must be reported optional
- * measurements might be refused or reported incapable
- * For now just refuse
- * TODO: Answer basic measurement as unmeasured
- */
- ieee80211_send_refuse_measurement_request(sdata,
- &mgmt->u.action.u.measurement.msr_elem,
- mgmt->sa, mgmt->bssid,
- mgmt->u.action.u.measurement.dialog_token);
-}
-
-
static void ieee80211_rx_mgmt_auth(struct ieee80211_sub_if_data *sdata,
struct ieee80211_if_sta *ifsta,
struct ieee80211_mgmt *mgmt,
printk(KERN_DEBUG "%s: Sending ProbeResp to %s\n",
sdata->dev->name, print_mac(mac, resp->da));
#endif /* CONFIG_MAC80211_IBSS_DEBUG */
- ieee80211_sta_tx(sdata, skb, 0);
+ ieee80211_tx_skb(sdata, skb, 0);
}
static void ieee80211_rx_mgmt_action(struct ieee80211_sub_if_data *sdata,
size_t len,
struct ieee80211_rx_status *rx_status)
{
- struct ieee80211_local *local = sdata->local;
-
- /* all categories we currently handle have action_code */
- if (len < IEEE80211_MIN_ACTION_SIZE + 1)
+ /* currently we only handle mesh interface action frames here */
+ if (!ieee80211_vif_is_mesh(&sdata->vif))
return;
switch (mgmt->u.action.category) {
- case WLAN_CATEGORY_SPECTRUM_MGMT:
- if (local->hw.conf.channel->band != IEEE80211_BAND_5GHZ)
- break;
- switch (mgmt->u.action.u.measurement.action_code) {
- case WLAN_ACTION_SPCT_MSR_REQ:
- if (len < (IEEE80211_MIN_ACTION_SIZE +
- sizeof(mgmt->u.action.u.measurement)))
- break;
- ieee80211_sta_process_measurement_req(sdata, mgmt, len);
- break;
- }
- break;
case PLINK_CATEGORY:
- if (ieee80211_vif_is_mesh(&sdata->vif))
- mesh_rx_plink_frame(sdata, mgmt, len, rx_status);
+ mesh_rx_plink_frame(sdata, mgmt, len, rx_status);
break;
case MESH_PATH_SEL_CATEGORY:
- if (ieee80211_vif_is_mesh(&sdata->vif))
- mesh_rx_path_sel_frame(sdata, mgmt, len);
+ mesh_rx_path_sel_frame(sdata, mgmt, len);
break;
}
}
}
-static void ieee80211_sta_expire(struct ieee80211_sub_if_data *sdata, unsigned long exp_time)
-{
- struct ieee80211_local *local = sdata->local;
- struct sta_info *sta, *tmp;
- LIST_HEAD(tmp_list);
- DECLARE_MAC_BUF(mac);
- unsigned long flags;
-
- spin_lock_irqsave(&local->sta_lock, flags);
- list_for_each_entry_safe(sta, tmp, &local->sta_list, list)
- if (time_after(jiffies, sta->last_rx + exp_time)) {
-#ifdef CONFIG_MAC80211_IBSS_DEBUG
- printk(KERN_DEBUG "%s: expiring inactive STA %s\n",
- sdata->dev->name, print_mac(mac, sta->addr));
-#endif
- __sta_info_unlink(&sta);
- if (sta)
- list_add(&sta->list, &tmp_list);
- }
- spin_unlock_irqrestore(&local->sta_lock, flags);
-
- list_for_each_entry_safe(sta, tmp, &tmp_list, list)
- sta_info_destroy(sta);
-}
-
-
static void ieee80211_sta_merge_ibss(struct ieee80211_sub_if_data *sdata,
struct ieee80211_if_sta *ifsta)
{
}
}
+static void ieee80211_restart_sta_timer(struct ieee80211_sub_if_data *sdata)
+{
+ if (sdata->vif.type == IEEE80211_IF_TYPE_STA ||
+ ieee80211_vif_is_mesh(&sdata->vif))
+ ieee80211_sta_timer((unsigned long)sdata);
+}
+
void ieee80211_mlme_notify_scan_completed(struct ieee80211_local *local)
{
struct ieee80211_sub_if_data *sdata = local->scan_sdata;
!ieee80211_sta_active_ibss(sdata)))
ieee80211_sta_find_ibss(sdata, ifsta);
}
+
+ /* Restart STA timers */
+ rcu_read_lock();
+ list_for_each_entry_rcu(sdata, &local->interfaces, list)
+ ieee80211_restart_sta_timer(sdata);
+ rcu_read_unlock();
}
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff