diff options
author | David S. Miller <davem@davemloft.net> | 2009-02-10 07:30:44 (GMT) |
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committer | David S. Miller <davem@davemloft.net> | 2009-02-10 07:30:44 (GMT) |
commit | 4b53b361e0fbb2390f1d98ed9eede8e0c9a887b6 (patch) | |
tree | bf4b8635de66f50eb1d28f2d9e93a04adc4053f5 /net | |
parent | 4cdc44a231f906a6ec586637e6e4c4c216679da4 (diff) | |
parent | 99e0fca6740b98aed1f604fc2e0acbdbc9e7578a (diff) | |
download | linux-fsl-qoriq-4b53b361e0fbb2390f1d98ed9eede8e0c9a887b6.tar.xz |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next-2.6
Diffstat (limited to 'net')
-rw-r--r-- | net/mac80211/iface.c | 47 | ||||
-rw-r--r-- | net/mac80211/main.c | 29 | ||||
-rw-r--r-- | net/mac80211/mlme.c | 48 | ||||
-rw-r--r-- | net/mac80211/rx.c | 19 | ||||
-rw-r--r-- | net/mac80211/tx.c | 21 | ||||
-rw-r--r-- | net/mac80211/wext.c | 3 | ||||
-rw-r--r-- | net/wireless/nl80211.c | 81 | ||||
-rw-r--r-- | net/wireless/reg.c | 2 | ||||
-rw-r--r-- | net/wireless/reg.h | 2 |
9 files changed, 194 insertions, 58 deletions
diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c index 00562a8..915d043 100644 --- a/net/mac80211/iface.c +++ b/net/mac80211/iface.c @@ -591,19 +591,6 @@ static void ieee80211_set_multicast_list(struct net_device *dev) dev_mc_sync(local->mdev, dev); } -static void ieee80211_if_setup(struct net_device *dev) -{ - ether_setup(dev); - dev->hard_start_xmit = ieee80211_subif_start_xmit; - dev->wireless_handlers = &ieee80211_iw_handler_def; - dev->set_multicast_list = ieee80211_set_multicast_list; - dev->change_mtu = ieee80211_change_mtu; - dev->open = ieee80211_open; - dev->stop = ieee80211_stop; - dev->destructor = free_netdev; - /* we will validate the address ourselves in ->open */ - dev->validate_addr = NULL; -} /* * Called when the netdev is removed or, by the code below, before * the interface type changes. @@ -671,6 +658,34 @@ static void ieee80211_teardown_sdata(struct net_device *dev) WARN_ON(flushed); } +static const struct net_device_ops ieee80211_dataif_ops = { + .ndo_open = ieee80211_open, + .ndo_stop = ieee80211_stop, + .ndo_uninit = ieee80211_teardown_sdata, + .ndo_start_xmit = ieee80211_subif_start_xmit, + .ndo_set_multicast_list = ieee80211_set_multicast_list, + .ndo_change_mtu = ieee80211_change_mtu, + .ndo_set_mac_address = eth_mac_addr, +}; + +static const struct net_device_ops ieee80211_monitorif_ops = { + .ndo_open = ieee80211_open, + .ndo_stop = ieee80211_stop, + .ndo_uninit = ieee80211_teardown_sdata, + .ndo_start_xmit = ieee80211_monitor_start_xmit, + .ndo_set_multicast_list = ieee80211_set_multicast_list, + .ndo_change_mtu = ieee80211_change_mtu, + .ndo_set_mac_address = eth_mac_addr, +}; + +static void ieee80211_if_setup(struct net_device *dev) +{ + ether_setup(dev); + dev->netdev_ops = &ieee80211_dataif_ops; + dev->wireless_handlers = &ieee80211_iw_handler_def; + dev->destructor = free_netdev; +} + /* * Helper function to initialise an interface to a specific type. */ @@ -682,7 +697,7 @@ static void ieee80211_setup_sdata(struct ieee80211_sub_if_data *sdata, /* and set some type-dependent values */ sdata->vif.type = type; - sdata->dev->hard_start_xmit = ieee80211_subif_start_xmit; + sdata->dev->netdev_ops = &ieee80211_dataif_ops; sdata->wdev.iftype = type; /* only monitor differs */ @@ -703,7 +718,7 @@ static void ieee80211_setup_sdata(struct ieee80211_sub_if_data *sdata, break; case NL80211_IFTYPE_MONITOR: sdata->dev->type = ARPHRD_IEEE80211_RADIOTAP; - sdata->dev->hard_start_xmit = ieee80211_monitor_start_xmit; + sdata->dev->netdev_ops = &ieee80211_monitorif_ops; sdata->u.mntr_flags = MONITOR_FLAG_CONTROL | MONITOR_FLAG_OTHER_BSS; break; @@ -809,8 +824,6 @@ int ieee80211_if_add(struct ieee80211_local *local, const char *name, if (ret) goto fail; - ndev->uninit = ieee80211_teardown_sdata; - if (ieee80211_vif_is_mesh(&sdata->vif) && params && params->mesh_id_len) ieee80211_sdata_set_mesh_id(sdata, diff --git a/net/mac80211/main.c b/net/mac80211/main.c index a109c06..caf9242 100644 --- a/net/mac80211/main.c +++ b/net/mac80211/main.c @@ -791,6 +791,23 @@ struct ieee80211_hw *ieee80211_alloc_hw(size_t priv_data_len, } EXPORT_SYMBOL(ieee80211_alloc_hw); +static const struct net_device_ops ieee80211_master_ops = { + .ndo_start_xmit = ieee80211_master_start_xmit, + .ndo_open = ieee80211_master_open, + .ndo_stop = ieee80211_master_stop, + .ndo_set_multicast_list = ieee80211_master_set_multicast_list, + .ndo_select_queue = ieee80211_select_queue, +}; + +static void ieee80211_master_setup(struct net_device *mdev) +{ + mdev->type = ARPHRD_IEEE80211; + mdev->netdev_ops = &ieee80211_master_ops; + mdev->header_ops = &ieee80211_header_ops; + mdev->tx_queue_len = 1000; + mdev->addr_len = ETH_ALEN; +} + int ieee80211_register_hw(struct ieee80211_hw *hw) { struct ieee80211_local *local = hw_to_local(hw); @@ -840,7 +857,7 @@ int ieee80211_register_hw(struct ieee80211_hw *hw) hw->ampdu_queues = 0; mdev = alloc_netdev_mq(sizeof(struct ieee80211_master_priv), - "wmaster%d", ether_setup, + "wmaster%d", ieee80211_master_setup, ieee80211_num_queues(hw)); if (!mdev) goto fail_mdev_alloc; @@ -851,13 +868,6 @@ int ieee80211_register_hw(struct ieee80211_hw *hw) ieee80211_rx_bss_list_init(local); - mdev->hard_start_xmit = ieee80211_master_start_xmit; - mdev->open = ieee80211_master_open; - mdev->stop = ieee80211_master_stop; - mdev->type = ARPHRD_IEEE80211; - mdev->header_ops = &ieee80211_header_ops; - mdev->set_multicast_list = ieee80211_master_set_multicast_list; - local->hw.workqueue = create_singlethread_workqueue(wiphy_name(local->hw.wiphy)); if (!local->hw.workqueue) { @@ -884,7 +894,6 @@ int ieee80211_register_hw(struct ieee80211_hw *hw) local->hw.conf.listen_interval = local->hw.max_listen_interval; local->wstats_flags |= local->hw.flags & (IEEE80211_HW_SIGNAL_UNSPEC | - IEEE80211_HW_SIGNAL_DB | IEEE80211_HW_SIGNAL_DBM) ? IW_QUAL_QUAL_UPDATED : IW_QUAL_QUAL_INVALID; local->wstats_flags |= local->hw.flags & IEEE80211_HW_NOISE_DBM ? @@ -924,8 +933,6 @@ int ieee80211_register_hw(struct ieee80211_hw *hw) goto fail_wep; } - local->mdev->select_queue = ieee80211_select_queue; - /* add one default STA interface if supported */ if (local->hw.wiphy->interface_modes & BIT(NL80211_IFTYPE_STATION)) { result = ieee80211_if_add(local, "wlan%d", NULL, diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c index 9d51e27..57967d3 100644 --- a/net/mac80211/mlme.c +++ b/net/mac80211/mlme.c @@ -1042,6 +1042,7 @@ static void ieee80211_associated(struct ieee80211_sub_if_data *sdata, struct ieee80211_local *local = sdata->local; struct sta_info *sta; int disassoc; + bool remove_bss = false; /* TODO: start monitoring current AP signal quality and number of * missed beacons. Scan other channels every now and then and search @@ -1067,6 +1068,7 @@ static void ieee80211_associated(struct ieee80211_sub_if_data *sdata, "range\n", sdata->dev->name, ifsta->bssid); disassoc = 1; + remove_bss = true; } else ieee80211_send_probe_req(sdata, ifsta->bssid, ifsta->ssid, @@ -1086,12 +1088,24 @@ static void ieee80211_associated(struct ieee80211_sub_if_data *sdata, rcu_read_unlock(); - if (disassoc) + if (disassoc) { ieee80211_set_disassoc(sdata, ifsta, true, true, WLAN_REASON_PREV_AUTH_NOT_VALID); - else + if (remove_bss) { + struct ieee80211_bss *bss; + + bss = ieee80211_rx_bss_get(local, ifsta->bssid, + local->hw.conf.channel->center_freq, + ifsta->ssid, ifsta->ssid_len); + if (bss) { + atomic_dec(&bss->users); + ieee80211_rx_bss_put(local, bss); + } + } + } else { mod_timer(&ifsta->timer, jiffies + IEEE80211_MONITORING_INTERVAL); + } } @@ -1503,13 +1517,22 @@ static int ieee80211_sta_join_ibss(struct ieee80211_sub_if_data *sdata, struct ieee80211_bss *bss) { struct ieee80211_local *local = sdata->local; - int res, rates, i, j; + int res = 0, rates, i, j; struct sk_buff *skb; struct ieee80211_mgmt *mgmt; u8 *pos; struct ieee80211_supported_band *sband; union iwreq_data wrqu; + if (local->ops->reset_tsf) { + /* Reset own TSF to allow time synchronization work. */ + local->ops->reset_tsf(local_to_hw(local)); + } + + if ((ifsta->flags & IEEE80211_STA_PREV_BSSID_SET) && + memcmp(ifsta->bssid, bss->bssid, ETH_ALEN) == 0) + return res; + skb = dev_alloc_skb(local->hw.extra_tx_headroom + 400 + sdata->u.sta.ie_proberesp_len); if (!skb) { @@ -1520,13 +1543,11 @@ static int ieee80211_sta_join_ibss(struct ieee80211_sub_if_data *sdata, sband = local->hw.wiphy->bands[local->hw.conf.channel->band]; - /* Remove possible STA entries from other IBSS networks. */ - sta_info_flush_delayed(sdata); - - if (local->ops->reset_tsf) { - /* Reset own TSF to allow time synchronization work. */ - local->ops->reset_tsf(local_to_hw(local)); + if (!(ifsta->flags & IEEE80211_STA_PREV_BSSID_SET)) { + /* Remove possible STA entries from other IBSS networks. */ + sta_info_flush_delayed(sdata); } + memcpy(ifsta->bssid, bss->bssid, ETH_ALEN); res = ieee80211_if_config(sdata, IEEE80211_IFCC_BSSID); if (res) @@ -2415,8 +2436,10 @@ static int ieee80211_sta_config_auth(struct ieee80211_sub_if_data *sdata, ifsta->ssid_len); ifsta->state = IEEE80211_STA_MLME_AUTHENTICATE; set_bit(IEEE80211_STA_REQ_AUTH, &ifsta->request); - } else + } else { + ifsta->assoc_scan_tries = 0; ifsta->state = IEEE80211_STA_MLME_DISABLED; + } } return -1; } @@ -2720,9 +2743,8 @@ void ieee80211_mlme_notify_scan_completed(struct ieee80211_local *local) if (sdata && sdata->vif.type == NL80211_IFTYPE_ADHOC) { ifsta = &sdata->u.sta; - if (!(ifsta->flags & IEEE80211_STA_BSSID_SET) || - (!(ifsta->state == IEEE80211_STA_MLME_IBSS_JOINED) && - !ieee80211_sta_active_ibss(sdata))) + if ((!(ifsta->flags & IEEE80211_STA_PREV_BSSID_SET)) || + !ieee80211_sta_active_ibss(sdata)) ieee80211_sta_find_ibss(sdata, ifsta); } diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c index 19ffc8e..8e8ddbf 100644 --- a/net/mac80211/rx.c +++ b/net/mac80211/rx.c @@ -86,8 +86,7 @@ ieee80211_rx_radiotap_len(struct ieee80211_local *local, if (status->flag & RX_FLAG_TSFT) len += 8; - if (local->hw.flags & IEEE80211_HW_SIGNAL_DB || - local->hw.flags & IEEE80211_HW_SIGNAL_DBM) + if (local->hw.flags & IEEE80211_HW_SIGNAL_DBM) len += 1; if (local->hw.flags & IEEE80211_HW_NOISE_DBM) len += 1; @@ -199,14 +198,6 @@ ieee80211_add_rx_radiotap_header(struct ieee80211_local *local, *pos = status->antenna; pos++; - /* IEEE80211_RADIOTAP_DB_ANTSIGNAL */ - if (local->hw.flags & IEEE80211_HW_SIGNAL_DB) { - *pos = status->signal; - rthdr->it_present |= - cpu_to_le32(1 << IEEE80211_RADIOTAP_DB_ANTSIGNAL); - pos++; - } - /* IEEE80211_RADIOTAP_DB_ANTNOISE is not used */ /* IEEE80211_RADIOTAP_RX_FLAGS */ @@ -1225,12 +1216,12 @@ ieee80211_data_to_8023(struct ieee80211_rx_data *rx) switch (hdr->frame_control & cpu_to_le16(IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS)) { - case __constant_cpu_to_le16(IEEE80211_FCTL_TODS): + case cpu_to_le16(IEEE80211_FCTL_TODS): if (unlikely(sdata->vif.type != NL80211_IFTYPE_AP && sdata->vif.type != NL80211_IFTYPE_AP_VLAN)) return -1; break; - case __constant_cpu_to_le16(IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS): + case cpu_to_le16(IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS): if (unlikely(sdata->vif.type != NL80211_IFTYPE_WDS && sdata->vif.type != NL80211_IFTYPE_MESH_POINT)) return -1; @@ -1244,13 +1235,13 @@ ieee80211_data_to_8023(struct ieee80211_rx_data *rx) } } break; - case __constant_cpu_to_le16(IEEE80211_FCTL_FROMDS): + case cpu_to_le16(IEEE80211_FCTL_FROMDS): if (sdata->vif.type != NL80211_IFTYPE_STATION || (is_multicast_ether_addr(dst) && !compare_ether_addr(src, dev->dev_addr))) return -1; break; - case __constant_cpu_to_le16(0): + case cpu_to_le16(0): if (sdata->vif.type != NL80211_IFTYPE_ADHOC) return -1; break; diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c index 7b013fb..f1c726d 100644 --- a/net/mac80211/tx.c +++ b/net/mac80211/tx.c @@ -1433,10 +1433,31 @@ int ieee80211_monitor_start_xmit(struct sk_buff *skb, struct net_device *dev) { struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); + struct ieee80211_channel *chan = local->hw.conf.channel; struct ieee80211_radiotap_header *prthdr = (struct ieee80211_radiotap_header *)skb->data; u16 len_rthdr; + /* + * Frame injection is not allowed if beaconing is not allowed + * or if we need radar detection. Beaconing is usually not allowed when + * the mode or operation (Adhoc, AP, Mesh) does not support DFS. + * Passive scan is also used in world regulatory domains where + * your country is not known and as such it should be treated as + * NO TX unless the channel is explicitly allowed in which case + * your current regulatory domain would not have the passive scan + * flag. + * + * Since AP mode uses monitor interfaces to inject/TX management + * frames we can make AP mode the exception to this rule once it + * supports radar detection as its implementation can deal with + * radar detection by itself. We can do that later by adding a + * monitor flag interfaces used for AP support. + */ + if ((chan->flags & (IEEE80211_CHAN_NO_IBSS | IEEE80211_CHAN_RADAR | + IEEE80211_CHAN_PASSIVE_SCAN))) + goto fail; + /* check for not even having the fixed radiotap header part */ if (unlikely(skb->len < sizeof(struct ieee80211_radiotap_header))) goto fail; /* too short to be possibly valid */ diff --git a/net/mac80211/wext.c b/net/mac80211/wext.c index 5c88b82..bad1cfb 100644 --- a/net/mac80211/wext.c +++ b/net/mac80211/wext.c @@ -173,8 +173,7 @@ static int ieee80211_ioctl_giwrange(struct net_device *dev, range->num_encoding_sizes = 2; range->max_encoding_tokens = NUM_DEFAULT_KEYS; - if (local->hw.flags & IEEE80211_HW_SIGNAL_UNSPEC || - local->hw.flags & IEEE80211_HW_SIGNAL_DB) + if (local->hw.flags & IEEE80211_HW_SIGNAL_UNSPEC) range->max_qual.level = local->hw.max_signal; else if (local->hw.flags & IEEE80211_HW_SIGNAL_DBM) range->max_qual.level = -110; diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c index e69da8d..d452396 100644 --- a/net/wireless/nl80211.c +++ b/net/wireless/nl80211.c @@ -2093,6 +2093,81 @@ static int nl80211_set_mesh_params(struct sk_buff *skb, struct genl_info *info) #undef FILL_IN_MESH_PARAM_IF_SET +static int nl80211_get_reg(struct sk_buff *skb, struct genl_info *info) +{ + struct sk_buff *msg; + void *hdr = NULL; + struct nlattr *nl_reg_rules; + unsigned int i; + int err = -EINVAL; + + mutex_lock(&cfg80211_drv_mutex); + + if (!cfg80211_regdomain) + goto out; + + msg = nlmsg_new(NLMSG_GOODSIZE, GFP_KERNEL); + if (!msg) { + err = -ENOBUFS; + goto out; + } + + hdr = nl80211hdr_put(msg, info->snd_pid, info->snd_seq, 0, + NL80211_CMD_GET_REG); + if (!hdr) + goto nla_put_failure; + + NLA_PUT_STRING(msg, NL80211_ATTR_REG_ALPHA2, + cfg80211_regdomain->alpha2); + + nl_reg_rules = nla_nest_start(msg, NL80211_ATTR_REG_RULES); + if (!nl_reg_rules) + goto nla_put_failure; + + for (i = 0; i < cfg80211_regdomain->n_reg_rules; i++) { + struct nlattr *nl_reg_rule; + const struct ieee80211_reg_rule *reg_rule; + const struct ieee80211_freq_range *freq_range; + const struct ieee80211_power_rule *power_rule; + + reg_rule = &cfg80211_regdomain->reg_rules[i]; + freq_range = ®_rule->freq_range; + power_rule = ®_rule->power_rule; + + nl_reg_rule = nla_nest_start(msg, i); + if (!nl_reg_rule) + goto nla_put_failure; + + NLA_PUT_U32(msg, NL80211_ATTR_REG_RULE_FLAGS, + reg_rule->flags); + NLA_PUT_U32(msg, NL80211_ATTR_FREQ_RANGE_START, + freq_range->start_freq_khz); + NLA_PUT_U32(msg, NL80211_ATTR_FREQ_RANGE_END, + freq_range->end_freq_khz); + NLA_PUT_U32(msg, NL80211_ATTR_FREQ_RANGE_MAX_BW, + freq_range->max_bandwidth_khz); + NLA_PUT_U32(msg, NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN, + power_rule->max_antenna_gain); + NLA_PUT_U32(msg, NL80211_ATTR_POWER_RULE_MAX_EIRP, + power_rule->max_eirp); + + nla_nest_end(msg, nl_reg_rule); + } + + nla_nest_end(msg, nl_reg_rules); + + genlmsg_end(msg, hdr); + err = genlmsg_unicast(msg, info->snd_pid); + goto out; + +nla_put_failure: + genlmsg_cancel(msg, hdr); + err = -EMSGSIZE; +out: + mutex_unlock(&cfg80211_drv_mutex); + return err; +} + static int nl80211_set_reg(struct sk_buff *skb, struct genl_info *info) { struct nlattr *tb[NL80211_REG_RULE_ATTR_MAX + 1]; @@ -2333,6 +2408,12 @@ static struct genl_ops nl80211_ops[] = { .flags = GENL_ADMIN_PERM, }, { + .cmd = NL80211_CMD_GET_REG, + .doit = nl80211_get_reg, + .policy = nl80211_policy, + /* can be retrieved by unprivileged users */ + }, + { .cmd = NL80211_CMD_SET_REG, .doit = nl80211_set_reg, .policy = nl80211_policy, diff --git a/net/wireless/reg.c b/net/wireless/reg.c index f643d39..2323644 100644 --- a/net/wireless/reg.c +++ b/net/wireless/reg.c @@ -57,7 +57,7 @@ static u32 supported_bandwidths[] = { /* Central wireless core regulatory domains, we only need two, * the current one and a world regulatory domain in case we have no * information to give us an alpha2 */ -static const struct ieee80211_regdomain *cfg80211_regdomain; +const struct ieee80211_regdomain *cfg80211_regdomain; /* We use this as a place for the rd structure built from the * last parsed country IE to rest until CRDA gets back to us with diff --git a/net/wireless/reg.h b/net/wireless/reg.h index eb1dd5b..fe8c83f 100644 --- a/net/wireless/reg.h +++ b/net/wireless/reg.h @@ -1,6 +1,8 @@ #ifndef __NET_WIRELESS_REG_H #define __NET_WIRELESS_REG_H +extern const struct ieee80211_regdomain *cfg80211_regdomain; + bool is_world_regdom(const char *alpha2); bool reg_is_valid_request(const char *alpha2); |