diff options
Diffstat (limited to 'net/mac80211/mlme.c')
-rw-r--r-- | net/mac80211/mlme.c | 192 |
1 files changed, 122 insertions, 70 deletions
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c index c79e59f82fd..2f9ed8b9c3f 100644 --- a/net/mac80211/mlme.c +++ b/net/mac80211/mlme.c @@ -75,6 +75,9 @@ enum rx_mgmt_action { /* caller must call cfg80211_send_disassoc() */ RX_MGMT_CFG80211_DISASSOC, + /* caller must tell cfg80211 about internal error */ + RX_MGMT_CFG80211_ASSOC_ERROR, + /* caller must call cfg80211_auth_timeout() & free work */ RX_MGMT_CFG80211_AUTH_TO, @@ -202,7 +205,7 @@ static u32 ieee80211_enable_ht(struct ieee80211_sub_if_data *sdata, ieee80211_hw_config(local, 0); rcu_read_lock(); - sta = sta_info_get(local, bssid); + sta = sta_info_get(sdata, bssid); if (sta) rate_control_rate_update(local, sband, sta, IEEE80211_RC_HT_CHANGED); @@ -248,7 +251,7 @@ static void ieee80211_send_assoc(struct ieee80211_sub_if_data *sdata, wk->ssid_len); if (!skb) { printk(KERN_DEBUG "%s: failed to allocate buffer for assoc " - "frame\n", sdata->dev->name); + "frame\n", sdata->name); return; } skb_reserve(skb, local->hw.extra_tx_headroom); @@ -282,7 +285,7 @@ static void ieee80211_send_assoc(struct ieee80211_sub_if_data *sdata, mgmt = (struct ieee80211_mgmt *) skb_put(skb, 24); memset(mgmt, 0, 24); memcpy(mgmt->da, wk->bss->cbss.bssid, ETH_ALEN); - memcpy(mgmt->sa, sdata->dev->dev_addr, ETH_ALEN); + memcpy(mgmt->sa, sdata->vif.addr, ETH_ALEN); memcpy(mgmt->bssid, wk->bss->cbss.bssid, ETH_ALEN); if (!is_zero_ether_addr(wk->prev_bssid)) { @@ -398,6 +401,14 @@ static void ieee80211_send_assoc(struct ieee80211_sub_if_data *sdata, __le16 tmp; u32 flags = local->hw.conf.channel->flags; + /* determine capability flags */ + + if (ieee80211_disable_40mhz_24ghz && + sband->band == IEEE80211_BAND_2GHZ) { + cap &= ~IEEE80211_HT_CAP_SUP_WIDTH_20_40; + cap &= ~IEEE80211_HT_CAP_SGI_40; + } + switch (ht_info->ht_param & IEEE80211_HT_PARAM_CHA_SEC_OFFSET) { case IEEE80211_HT_PARAM_CHA_SEC_ABOVE: if (flags & IEEE80211_CHAN_NO_HT40PLUS) { @@ -413,17 +424,64 @@ static void ieee80211_send_assoc(struct ieee80211_sub_if_data *sdata, break; } - tmp = cpu_to_le16(cap); - pos = skb_put(skb, sizeof(struct ieee80211_ht_cap)+2); + /* set SM PS mode properly */ + cap &= ~IEEE80211_HT_CAP_SM_PS; + /* new association always uses requested smps mode */ + if (ifmgd->req_smps == IEEE80211_SMPS_AUTOMATIC) { + if (ifmgd->powersave) + ifmgd->ap_smps = IEEE80211_SMPS_DYNAMIC; + else + ifmgd->ap_smps = IEEE80211_SMPS_OFF; + } else + ifmgd->ap_smps = ifmgd->req_smps; + + switch (ifmgd->ap_smps) { + case IEEE80211_SMPS_AUTOMATIC: + case IEEE80211_SMPS_NUM_MODES: + WARN_ON(1); + case IEEE80211_SMPS_OFF: + cap |= WLAN_HT_CAP_SM_PS_DISABLED << + IEEE80211_HT_CAP_SM_PS_SHIFT; + break; + case IEEE80211_SMPS_STATIC: + cap |= WLAN_HT_CAP_SM_PS_STATIC << + IEEE80211_HT_CAP_SM_PS_SHIFT; + break; + case IEEE80211_SMPS_DYNAMIC: + cap |= WLAN_HT_CAP_SM_PS_DYNAMIC << + IEEE80211_HT_CAP_SM_PS_SHIFT; + break; + } + + /* reserve and fill IE */ + + pos = skb_put(skb, sizeof(struct ieee80211_ht_cap) + 2); *pos++ = WLAN_EID_HT_CAPABILITY; *pos++ = sizeof(struct ieee80211_ht_cap); memset(pos, 0, sizeof(struct ieee80211_ht_cap)); + + /* capability flags */ + tmp = cpu_to_le16(cap); memcpy(pos, &tmp, sizeof(u16)); pos += sizeof(u16); - /* TODO: needs a define here for << 2 */ + + /* AMPDU parameters */ *pos++ = sband->ht_cap.ampdu_factor | - (sband->ht_cap.ampdu_density << 2); + (sband->ht_cap.ampdu_density << + IEEE80211_HT_AMPDU_PARM_DENSITY_SHIFT); + + /* MCS set */ memcpy(pos, &sband->ht_cap.mcs, sizeof(sband->ht_cap.mcs)); + pos += sizeof(sband->ht_cap.mcs); + + /* extended capabilities */ + pos += sizeof(__le16); + + /* BF capabilities */ + pos += sizeof(__le32); + + /* antenna selection */ + pos += sizeof(u8); } IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_INTFL_DONT_ENCRYPT; @@ -443,7 +501,7 @@ static void ieee80211_send_deauth_disassoc(struct ieee80211_sub_if_data *sdata, skb = dev_alloc_skb(local->hw.extra_tx_headroom + sizeof(*mgmt)); if (!skb) { printk(KERN_DEBUG "%s: failed to allocate buffer for " - "deauth/disassoc frame\n", sdata->dev->name); + "deauth/disassoc frame\n", sdata->name); return; } skb_reserve(skb, local->hw.extra_tx_headroom); @@ -451,7 +509,7 @@ static void ieee80211_send_deauth_disassoc(struct ieee80211_sub_if_data *sdata, mgmt = (struct ieee80211_mgmt *) skb_put(skb, 24); memset(mgmt, 0, 24); memcpy(mgmt->da, bssid, ETH_ALEN); - memcpy(mgmt->sa, sdata->dev->dev_addr, ETH_ALEN); + memcpy(mgmt->sa, sdata->vif.addr, ETH_ALEN); memcpy(mgmt->bssid, bssid, ETH_ALEN); mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT | stype); skb_put(skb, 2); @@ -484,7 +542,7 @@ void ieee80211_send_pspoll(struct ieee80211_local *local, skb = dev_alloc_skb(local->hw.extra_tx_headroom + sizeof(*pspoll)); if (!skb) { printk(KERN_DEBUG "%s: failed to allocate buffer for " - "pspoll frame\n", sdata->dev->name); + "pspoll frame\n", sdata->name); return; } skb_reserve(skb, local->hw.extra_tx_headroom); @@ -499,7 +557,7 @@ void ieee80211_send_pspoll(struct ieee80211_local *local, pspoll->aid |= cpu_to_le16(1 << 15 | 1 << 14); memcpy(pspoll->bssid, ifmgd->bssid, ETH_ALEN); - memcpy(pspoll->ta, sdata->dev->dev_addr, ETH_ALEN); + memcpy(pspoll->ta, sdata->vif.addr, ETH_ALEN); IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_INTFL_DONT_ENCRYPT; ieee80211_tx_skb(sdata, skb); @@ -519,7 +577,7 @@ void ieee80211_send_nullfunc(struct ieee80211_local *local, skb = dev_alloc_skb(local->hw.extra_tx_headroom + 24); if (!skb) { printk(KERN_DEBUG "%s: failed to allocate buffer for nullfunc " - "frame\n", sdata->dev->name); + "frame\n", sdata->name); return; } skb_reserve(skb, local->hw.extra_tx_headroom); @@ -532,7 +590,7 @@ void ieee80211_send_nullfunc(struct ieee80211_local *local, fc |= cpu_to_le16(IEEE80211_FCTL_PM); nullfunc->frame_control = fc; memcpy(nullfunc->addr1, sdata->u.mgd.bssid, ETH_ALEN); - memcpy(nullfunc->addr2, sdata->dev->dev_addr, ETH_ALEN); + memcpy(nullfunc->addr2, sdata->vif.addr, ETH_ALEN); memcpy(nullfunc->addr3, sdata->u.mgd.bssid, ETH_ALEN); IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_INTFL_DONT_ENCRYPT; @@ -940,6 +998,7 @@ static void ieee80211_set_associated(struct ieee80211_sub_if_data *sdata, mutex_lock(&local->iflist_mtx); ieee80211_recalc_ps(local, -1); + ieee80211_recalc_smps(local, sdata); mutex_unlock(&local->iflist_mtx); netif_start_queue(sdata->dev); @@ -956,7 +1015,7 @@ ieee80211_direct_probe(struct ieee80211_sub_if_data *sdata, wk->tries++; if (wk->tries > IEEE80211_AUTH_MAX_TRIES) { printk(KERN_DEBUG "%s: direct probe to AP %pM timed out\n", - sdata->dev->name, wk->bss->cbss.bssid); + sdata->name, wk->bss->cbss.bssid); /* * Most likely AP is not in the range so remove the @@ -974,7 +1033,7 @@ ieee80211_direct_probe(struct ieee80211_sub_if_data *sdata, } printk(KERN_DEBUG "%s: direct probe to AP %pM (try %d)\n", - sdata->dev->name, wk->bss->cbss.bssid, + sdata->name, wk->bss->cbss.bssid, wk->tries); /* @@ -1001,7 +1060,7 @@ ieee80211_authenticate(struct ieee80211_sub_if_data *sdata, if (wk->tries > IEEE80211_AUTH_MAX_TRIES) { printk(KERN_DEBUG "%s: authentication with AP %pM" " timed out\n", - sdata->dev->name, wk->bss->cbss.bssid); + sdata->name, wk->bss->cbss.bssid); /* * Most likely AP is not in the range so remove the @@ -1019,7 +1078,7 @@ ieee80211_authenticate(struct ieee80211_sub_if_data *sdata, } printk(KERN_DEBUG "%s: authenticate with AP %pM (try %d)\n", - sdata->dev->name, wk->bss->cbss.bssid, wk->tries); + sdata->name, wk->bss->cbss.bssid, wk->tries); ieee80211_send_auth(sdata, 1, wk->auth_alg, wk->ie, wk->ie_len, wk->bss->cbss.bssid, NULL, 0, 0); @@ -1078,7 +1137,7 @@ static void ieee80211_set_disassoc(struct ieee80211_sub_if_data *sdata, netif_carrier_off(sdata->dev); rcu_read_lock(); - sta = sta_info_get(local, bssid); + sta = sta_info_get(sdata, bssid); if (sta) ieee80211_sta_tear_down_BA_sessions(sta); rcu_read_unlock(); @@ -1115,7 +1174,7 @@ static void ieee80211_set_disassoc(struct ieee80211_sub_if_data *sdata, rcu_read_lock(); - sta = sta_info_get(local, bssid); + sta = sta_info_get(sdata, bssid); if (!sta) { rcu_read_unlock(); return; @@ -1139,7 +1198,7 @@ ieee80211_associate(struct ieee80211_sub_if_data *sdata, if (wk->tries > IEEE80211_ASSOC_MAX_TRIES) { printk(KERN_DEBUG "%s: association with AP %pM" " timed out\n", - sdata->dev->name, wk->bss->cbss.bssid); + sdata->name, wk->bss->cbss.bssid); /* * Most likely AP is not in the range so remove the @@ -1157,7 +1216,7 @@ ieee80211_associate(struct ieee80211_sub_if_data *sdata, } printk(KERN_DEBUG "%s: associate with AP %pM (try %d)\n", - sdata->dev->name, wk->bss->cbss.bssid, wk->tries); + sdata->name, wk->bss->cbss.bssid, wk->tries); ieee80211_send_assoc(sdata, wk); wk->timeout = jiffies + IEEE80211_ASSOC_TIMEOUT; @@ -1218,7 +1277,7 @@ static void ieee80211_mgd_probe_ap(struct ieee80211_sub_if_data *sdata, #ifdef CONFIG_MAC80211_VERBOSE_DEBUG if (beacon && net_ratelimit()) printk(KERN_DEBUG "%s: detected beacon loss from AP " - "- sending probe request\n", sdata->dev->name); + "- sending probe request\n", sdata->name); #endif /* @@ -1275,7 +1334,7 @@ static void ieee80211_auth_completed(struct ieee80211_sub_if_data *sdata, struct ieee80211_mgd_work *wk) { wk->state = IEEE80211_MGD_STATE_IDLE; - printk(KERN_DEBUG "%s: authenticated\n", sdata->dev->name); + printk(KERN_DEBUG "%s: authenticated\n", sdata->name); } @@ -1372,7 +1431,7 @@ ieee80211_rx_mgmt_deauth(struct ieee80211_sub_if_data *sdata, reason_code = le16_to_cpu(mgmt->u.deauth.reason_code); printk(KERN_DEBUG "%s: deauthenticated from %pM (Reason: %u)\n", - sdata->dev->name, bssid, reason_code); + sdata->name, bssid, reason_code); if (!wk) { ieee80211_set_disassoc(sdata, true); @@ -1407,7 +1466,7 @@ ieee80211_rx_mgmt_disassoc(struct ieee80211_sub_if_data *sdata, reason_code = le16_to_cpu(mgmt->u.disassoc.reason_code); printk(KERN_DEBUG "%s: disassociated from %pM (Reason: %u)\n", - sdata->dev->name, mgmt->sa, reason_code); + sdata->name, mgmt->sa, reason_code); ieee80211_set_disassoc(sdata, false); ieee80211_recalc_idle(sdata->local); @@ -1431,8 +1490,8 @@ ieee80211_rx_mgmt_assoc_resp(struct ieee80211_sub_if_data *sdata, struct ieee80211_bss_conf *bss_conf = &sdata->vif.bss_conf; u8 *pos; u32 changed = 0; - int i, j; - bool have_higher_than_11mbit = false, newsta = false; + int i, j, err; + bool have_higher_than_11mbit = false; u16 ap_ht_cap_flags; /* @@ -1452,7 +1511,7 @@ ieee80211_rx_mgmt_assoc_resp(struct ieee80211_sub_if_data *sdata, printk(KERN_DEBUG "%s: RX %sssocResp from %pM (capab=0x%x " "status=%d aid=%d)\n", - sdata->dev->name, reassoc ? "Rea" : "A", mgmt->sa, + sdata->name, reassoc ? "Rea" : "A", mgmt->sa, capab_info, status_code, (u16)(aid & ~(BIT(15) | BIT(14)))); pos = mgmt->u.assoc_resp.variable; @@ -1466,7 +1525,7 @@ ieee80211_rx_mgmt_assoc_resp(struct ieee80211_sub_if_data *sdata, ms = tu * 1024 / 1000; printk(KERN_DEBUG "%s: AP rejected association temporarily; " "comeback duration %u TU (%u ms)\n", - sdata->dev->name, tu, ms); + sdata->name, tu, ms); wk->timeout = jiffies + msecs_to_jiffies(ms); if (ms > IEEE80211_ASSOC_TIMEOUT) run_again(ifmgd, jiffies + msecs_to_jiffies(ms)); @@ -1475,49 +1534,37 @@ ieee80211_rx_mgmt_assoc_resp(struct ieee80211_sub_if_data *sdata, if (status_code != WLAN_STATUS_SUCCESS) { printk(KERN_DEBUG "%s: AP denied association (code=%d)\n", - sdata->dev->name, status_code); + sdata->name, status_code); wk->state = IEEE80211_MGD_STATE_IDLE; return RX_MGMT_CFG80211_ASSOC; } if ((aid & (BIT(15) | BIT(14))) != (BIT(15) | BIT(14))) printk(KERN_DEBUG "%s: invalid aid value %d; bits 15:14 not " - "set\n", sdata->dev->name, aid); + "set\n", sdata->name, aid); aid &= ~(BIT(15) | BIT(14)); if (!elems.supp_rates) { printk(KERN_DEBUG "%s: no SuppRates element in AssocResp\n", - sdata->dev->name); + sdata->name); return RX_MGMT_NONE; } - printk(KERN_DEBUG "%s: associated\n", sdata->dev->name); + printk(KERN_DEBUG "%s: associated\n", sdata->name); ifmgd->aid = aid; - rcu_read_lock(); - - /* Add STA entry for the AP */ - sta = sta_info_get(local, wk->bss->cbss.bssid); + sta = sta_info_alloc(sdata, wk->bss->cbss.bssid, GFP_KERNEL); if (!sta) { - newsta = true; - - rcu_read_unlock(); - - sta = sta_info_alloc(sdata, wk->bss->cbss.bssid, GFP_KERNEL); - if (!sta) { - printk(KERN_DEBUG "%s: failed to alloc STA entry for" - " the AP\n", sdata->dev->name); - return RX_MGMT_NONE; - } - - set_sta_flags(sta, WLAN_STA_AUTH | WLAN_STA_ASSOC | - WLAN_STA_ASSOC_AP); - if (!(ifmgd->flags & IEEE80211_STA_CONTROL_PORT)) - set_sta_flags(sta, WLAN_STA_AUTHORIZED); - - rcu_read_lock(); + printk(KERN_DEBUG "%s: failed to alloc STA entry for" + " the AP\n", sdata->name); + return RX_MGMT_CFG80211_ASSOC_ERROR; } + set_sta_flags(sta, WLAN_STA_AUTH | WLAN_STA_ASSOC | + WLAN_STA_ASSOC_AP); + if (!(ifmgd->flags & IEEE80211_STA_CONTROL_PORT)) + set_sta_flags(sta, WLAN_STA_AUTHORIZED); + rates = 0; basic_rates = 0; sband = local->hw.wiphy->bands[local->hw.conf.channel->band]; @@ -1580,18 +1627,14 @@ ieee80211_rx_mgmt_assoc_resp(struct ieee80211_sub_if_data *sdata, if (elems.wmm_param) set_sta_flags(sta, WLAN_STA_WME); - if (newsta) { - int err = sta_info_insert(sta); - if (err) { - printk(KERN_DEBUG "%s: failed to insert STA entry for" - " the AP (error %d)\n", sdata->dev->name, err); - rcu_read_unlock(); - return RX_MGMT_NONE; - } + err = sta_info_insert(sta); + sta = NULL; + if (err) { + printk(KERN_DEBUG "%s: failed to insert STA entry for" + " the AP (error %d)\n", sdata->name, err); + return RX_MGMT_CFG80211_ASSOC_ERROR; } - rcu_read_unlock(); - if (elems.wmm_param) ieee80211_sta_wmm_params(local, ifmgd, elems.wmm_param, elems.wmm_param_len); @@ -1679,7 +1722,7 @@ static void ieee80211_rx_mgmt_probe_resp(struct ieee80211_sub_if_data *sdata, ASSERT_MGD_MTX(ifmgd); - if (memcmp(mgmt->da, sdata->dev->dev_addr, ETH_ALEN)) + if (memcmp(mgmt->da, sdata->vif.addr, ETH_ALEN)) return; /* ignore ProbeResp to foreign address */ baselen = (u8 *) mgmt->u.probe_resp.variable - (u8 *) mgmt; @@ -1694,7 +1737,7 @@ static void ieee80211_rx_mgmt_probe_resp(struct ieee80211_sub_if_data *sdata, /* direct probe may be part of the association flow */ if (wk && wk->state == IEEE80211_MGD_STATE_PROBE) { printk(KERN_DEBUG "%s: direct probe responded\n", - sdata->dev->name); + sdata->name); wk->tries = 0; wk->state = IEEE80211_MGD_STATE_AUTH; WARN_ON(ieee80211_authenticate(sdata, wk) != RX_MGMT_NONE); @@ -1787,7 +1830,7 @@ static void ieee80211_rx_mgmt_beacon(struct ieee80211_sub_if_data *sdata, #ifdef CONFIG_MAC80211_VERBOSE_DEBUG if (net_ratelimit()) { printk(KERN_DEBUG "%s: cancelling probereq poll due " - "to a received beacon\n", sdata->dev->name); + "to a received beacon\n", sdata->name); } #endif ifmgd->flags &= ~IEEE80211_STA_BEACON_POLL; @@ -1865,7 +1908,7 @@ static void ieee80211_rx_mgmt_beacon(struct ieee80211_sub_if_data *sdata, rcu_read_lock(); - sta = sta_info_get(local, bssid); + sta = sta_info_get(sdata, bssid); if (WARN_ON(!sta)) { rcu_read_unlock(); return; @@ -2036,6 +2079,10 @@ static void ieee80211_sta_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata, case RX_MGMT_CFG80211_DEAUTH: cfg80211_send_deauth(sdata->dev, (u8 *)mgmt, skb->len); break; + case RX_MGMT_CFG80211_ASSOC_ERROR: + /* an internal error -- pretend timeout for now */ + cfg80211_send_assoc_timeout(sdata->dev, mgmt->bssid); + break; default: WARN(1, "unexpected: %d", rma); } @@ -2336,6 +2383,11 @@ void ieee80211_sta_setup_sdata(struct ieee80211_sub_if_data *sdata) ifmgd->flags |= IEEE80211_STA_WMM_ENABLED; mutex_init(&ifmgd->mtx); + + if (sdata->local->hw.flags & IEEE80211_HW_SUPPORTS_DYNAMIC_SMPS) + ifmgd->req_smps = IEEE80211_SMPS_AUTOMATIC; + else + ifmgd->req_smps = IEEE80211_SMPS_OFF; } /* scan finished notification */ @@ -2563,7 +2615,7 @@ int ieee80211_mgd_deauth(struct ieee80211_sub_if_data *sdata, mutex_unlock(&ifmgd->mtx); printk(KERN_DEBUG "%s: deauthenticating from %pM by local choice (reason=%d)\n", - sdata->dev->name, bssid, req->reason_code); + sdata->name, bssid, req->reason_code); ieee80211_send_deauth_disassoc(sdata, bssid, IEEE80211_STYPE_DEAUTH, req->reason_code, @@ -2594,7 +2646,7 @@ int ieee80211_mgd_disassoc(struct ieee80211_sub_if_data *sdata, } printk(KERN_DEBUG "%s: disassociating from %pM by local choice (reason=%d)\n", - sdata->dev->name, req->bss->bssid, req->reason_code); + sdata->name, req->bss->bssid, req->reason_code); ieee80211_set_disassoc(sdata, false); |