diff options
Diffstat (limited to 'net/wireless/util.c')
| -rw-r--r-- | net/wireless/util.c | 190 |
1 files changed, 185 insertions, 5 deletions
diff --git a/net/wireless/util.c b/net/wireless/util.c index 2555069..3fc2df8 100644 --- a/net/wireless/util.c +++ b/net/wireless/util.c @@ -141,9 +141,12 @@ void ieee80211_set_bitrate_flags(struct wiphy *wiphy) set_mandatory_flags_band(wiphy->bands[band], band); } -int cfg80211_validate_key_settings(struct key_params *params, int key_idx, +int cfg80211_validate_key_settings(struct cfg80211_registered_device *rdev, + struct key_params *params, int key_idx, const u8 *mac_addr) { + int i; + if (key_idx > 5) return -EINVAL; @@ -197,6 +200,12 @@ int cfg80211_validate_key_settings(struct key_params *params, int key_idx, } } + for (i = 0; i < rdev->wiphy.n_cipher_suites; i++) + if (params->cipher == rdev->wiphy.cipher_suites[i]) + break; + if (i == rdev->wiphy.n_cipher_suites) + return -EINVAL; + return 0; } @@ -265,11 +274,11 @@ static int ieee80211_get_mesh_hdrlen(struct ieee80211s_hdr *meshhdr) switch (ae) { case 0: return 6; - case 1: + case MESH_FLAGS_AE_A4: return 12; - case 2: + case MESH_FLAGS_AE_A5_A6: return 18; - case 3: + case (MESH_FLAGS_AE_A4 | MESH_FLAGS_AE_A5_A6): return 24; default: return 6; @@ -324,10 +333,18 @@ int ieee80211_data_to_8023(struct sk_buff *skb, u8 *addr, } break; case cpu_to_le16(IEEE80211_FCTL_FROMDS): - if (iftype != NL80211_IFTYPE_STATION || + if ((iftype != NL80211_IFTYPE_STATION && + iftype != NL80211_IFTYPE_MESH_POINT) || (is_multicast_ether_addr(dst) && !compare_ether_addr(src, addr))) return -1; + if (iftype == NL80211_IFTYPE_MESH_POINT) { + struct ieee80211s_hdr *meshdr = + (struct ieee80211s_hdr *) (skb->data + hdrlen); + hdrlen += ieee80211_get_mesh_hdrlen(meshdr); + if (meshdr->flags & MESH_FLAGS_AE_A4) + memcpy(src, meshdr->eaddr1, ETH_ALEN); + } break; case cpu_to_le16(0): if (iftype != NL80211_IFTYPE_ADHOC) @@ -502,3 +519,166 @@ unsigned int cfg80211_classify8021d(struct sk_buff *skb) return dscp >> 5; } EXPORT_SYMBOL(cfg80211_classify8021d); + +const u8 *ieee80211_bss_get_ie(struct cfg80211_bss *bss, u8 ie) +{ + u8 *end, *pos; + + pos = bss->information_elements; + if (pos == NULL) + return NULL; + end = pos + bss->len_information_elements; + + while (pos + 1 < end) { + if (pos + 2 + pos[1] > end) + break; + if (pos[0] == ie) + return pos; + pos += 2 + pos[1]; + } + + return NULL; +} +EXPORT_SYMBOL(ieee80211_bss_get_ie); + +void cfg80211_upload_connect_keys(struct wireless_dev *wdev) +{ + struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); + struct net_device *dev = wdev->netdev; + int i; + + if (!wdev->connect_keys) + return; + + for (i = 0; i < 6; i++) { + if (!wdev->connect_keys->params[i].cipher) + continue; + if (rdev->ops->add_key(wdev->wiphy, dev, i, NULL, + &wdev->connect_keys->params[i])) { + printk(KERN_ERR "%s: failed to set key %d\n", + dev->name, i); + continue; + } + if (wdev->connect_keys->def == i) + if (rdev->ops->set_default_key(wdev->wiphy, dev, i)) { + printk(KERN_ERR "%s: failed to set defkey %d\n", + dev->name, i); + continue; + } + if (wdev->connect_keys->defmgmt == i) + if (rdev->ops->set_default_mgmt_key(wdev->wiphy, dev, i)) + printk(KERN_ERR "%s: failed to set mgtdef %d\n", + dev->name, i); + } + + kfree(wdev->connect_keys); + wdev->connect_keys = NULL; +} + +static void cfg80211_process_wdev_events(struct wireless_dev *wdev) +{ + struct cfg80211_event *ev; + unsigned long flags; + const u8 *bssid = NULL; + + spin_lock_irqsave(&wdev->event_lock, flags); + while (!list_empty(&wdev->event_list)) { + ev = list_first_entry(&wdev->event_list, + struct cfg80211_event, list); + list_del(&ev->list); + spin_unlock_irqrestore(&wdev->event_lock, flags); + + wdev_lock(wdev); + switch (ev->type) { + case EVENT_CONNECT_RESULT: + if (!is_zero_ether_addr(ev->cr.bssid)) + bssid = ev->cr.bssid; + __cfg80211_connect_result( + wdev->netdev, bssid, + ev->cr.req_ie, ev->cr.req_ie_len, + ev->cr.resp_ie, ev->cr.resp_ie_len, + ev->cr.status, + ev->cr.status == WLAN_STATUS_SUCCESS, + NULL); + break; + case EVENT_ROAMED: + __cfg80211_roamed(wdev, ev->rm.bssid, + ev->rm.req_ie, ev->rm.req_ie_len, + ev->rm.resp_ie, ev->rm.resp_ie_len); + break; + case EVENT_DISCONNECTED: + __cfg80211_disconnected(wdev->netdev, + ev->dc.ie, ev->dc.ie_len, + ev->dc.reason, true); + break; + case EVENT_IBSS_JOINED: + __cfg80211_ibss_joined(wdev->netdev, ev->ij.bssid); + break; + } + wdev_unlock(wdev); + + kfree(ev); + + spin_lock_irqsave(&wdev->event_lock, flags); + } + spin_unlock_irqrestore(&wdev->event_lock, flags); +} + +void cfg80211_process_rdev_events(struct cfg80211_registered_device *rdev) +{ + struct wireless_dev *wdev; + + ASSERT_RTNL(); + ASSERT_RDEV_LOCK(rdev); + + mutex_lock(&rdev->devlist_mtx); + + list_for_each_entry(wdev, &rdev->netdev_list, list) + cfg80211_process_wdev_events(wdev); + + mutex_unlock(&rdev->devlist_mtx); +} + +int cfg80211_change_iface(struct cfg80211_registered_device *rdev, + struct net_device *dev, enum nl80211_iftype ntype, + u32 *flags, struct vif_params *params) +{ + int err; + enum nl80211_iftype otype = dev->ieee80211_ptr->iftype; + + ASSERT_RDEV_LOCK(rdev); + + /* don't support changing VLANs, you just re-create them */ + if (otype == NL80211_IFTYPE_AP_VLAN) + return -EOPNOTSUPP; + + if (!rdev->ops->change_virtual_intf || + !(rdev->wiphy.interface_modes & (1 << ntype))) + return -EOPNOTSUPP; + + if (ntype != otype) { + switch (otype) { + case NL80211_IFTYPE_ADHOC: + cfg80211_leave_ibss(rdev, dev, false); + break; + case NL80211_IFTYPE_STATION: + cfg80211_disconnect(rdev, dev, + WLAN_REASON_DEAUTH_LEAVING, true); + break; + case NL80211_IFTYPE_MESH_POINT: + /* mesh should be handled? */ + break; + default: + break; + } + + cfg80211_process_rdev_events(rdev); + } + + err = rdev->ops->change_virtual_intf(&rdev->wiphy, dev, + ntype, flags, params); + + WARN_ON(!err && dev->ieee80211_ptr->iftype != ntype); + + return err; +} |
