1 #include <linux/ieee80211.h>
2 #include <net/cfg80211.h>
6 /* Default values, timeouts in ms */
8 #define MESH_DEFAULT_ELEMENT_TTL 31
9 #define MESH_MAX_RETR 3
10 #define MESH_RET_T 100
11 #define MESH_CONF_T 100
12 #define MESH_HOLD_T 100
14 #define MESH_PATH_TIMEOUT 5000
15 #define MESH_RANN_INTERVAL 5000
18 * Minimum interval between two consecutive PREQs originated by the same
21 #define MESH_PREQ_MIN_INT 10
22 #define MESH_DIAM_TRAVERSAL_TIME 50
25 * A path will be refreshed if it is used PATH_REFRESH_TIME milliseconds
26 * before timing out. This way it will remain ACTIVE and no data frames
27 * will be unnecessarily held in the pending queue.
29 #define MESH_PATH_REFRESH_TIME 1000
30 #define MESH_MIN_DISCOVERY_TIMEOUT (2 * MESH_DIAM_TRAVERSAL_TIME)
32 /* Default maximum number of established plinks per interface */
33 #define MESH_MAX_ESTAB_PLINKS 32
35 #define MESH_MAX_PREQ_RETRIES 4
38 const struct mesh_config default_mesh_config = {
39 .dot11MeshRetryTimeout = MESH_RET_T,
40 .dot11MeshConfirmTimeout = MESH_CONF_T,
41 .dot11MeshHoldingTimeout = MESH_HOLD_T,
42 .dot11MeshMaxRetries = MESH_MAX_RETR,
43 .dot11MeshTTL = MESH_TTL,
44 .element_ttl = MESH_DEFAULT_ELEMENT_TTL,
45 .auto_open_plinks = true,
46 .dot11MeshMaxPeerLinks = MESH_MAX_ESTAB_PLINKS,
47 .dot11MeshHWMPactivePathTimeout = MESH_PATH_TIMEOUT,
48 .dot11MeshHWMPpreqMinInterval = MESH_PREQ_MIN_INT,
49 .dot11MeshHWMPnetDiameterTraversalTime = MESH_DIAM_TRAVERSAL_TIME,
50 .dot11MeshHWMPmaxPREQretries = MESH_MAX_PREQ_RETRIES,
51 .path_refresh_time = MESH_PATH_REFRESH_TIME,
52 .min_discovery_timeout = MESH_MIN_DISCOVERY_TIMEOUT,
53 .dot11MeshHWMPRannInterval = MESH_RANN_INTERVAL,
54 .dot11MeshGateAnnouncementProtocol = false,
57 const struct mesh_setup default_mesh_setup = {
58 .path_sel_proto = IEEE80211_PATH_PROTOCOL_HWMP,
59 .path_metric = IEEE80211_PATH_METRIC_AIRTIME,
65 int __cfg80211_join_mesh(struct cfg80211_registered_device *rdev,
66 struct net_device *dev,
67 const struct mesh_setup *setup,
68 const struct mesh_config *conf)
70 struct wireless_dev *wdev = dev->ieee80211_ptr;
73 BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN != IEEE80211_MAX_MESH_ID_LEN);
75 ASSERT_WDEV_LOCK(wdev);
77 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
80 if (!(rdev->wiphy.flags & WIPHY_FLAG_MESH_AUTH) &&
84 if (wdev->mesh_id_len)
87 if (!setup->mesh_id_len)
90 if (!rdev->ops->join_mesh)
93 err = rdev->ops->join_mesh(&rdev->wiphy, dev, conf, setup);
95 memcpy(wdev->ssid, setup->mesh_id, setup->mesh_id_len);
96 wdev->mesh_id_len = setup->mesh_id_len;
102 int cfg80211_join_mesh(struct cfg80211_registered_device *rdev,
103 struct net_device *dev,
104 const struct mesh_setup *setup,
105 const struct mesh_config *conf)
107 struct wireless_dev *wdev = dev->ieee80211_ptr;
111 err = __cfg80211_join_mesh(rdev, dev, setup, conf);
117 void cfg80211_notify_new_peer_candidate(struct net_device *dev,
118 const u8 *macaddr, const u8* ie, u8 ie_len, gfp_t gfp)
120 struct wireless_dev *wdev = dev->ieee80211_ptr;
122 if (WARN_ON(wdev->iftype != NL80211_IFTYPE_MESH_POINT))
125 nl80211_send_new_peer_candidate(wiphy_to_dev(wdev->wiphy), dev,
126 macaddr, ie, ie_len, gfp);
128 EXPORT_SYMBOL(cfg80211_notify_new_peer_candidate);
130 static int __cfg80211_leave_mesh(struct cfg80211_registered_device *rdev,
131 struct net_device *dev)
133 struct wireless_dev *wdev = dev->ieee80211_ptr;
136 ASSERT_WDEV_LOCK(wdev);
138 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
141 if (!rdev->ops->leave_mesh)
144 if (!wdev->mesh_id_len)
147 err = rdev->ops->leave_mesh(&rdev->wiphy, dev);
149 wdev->mesh_id_len = 0;
153 int cfg80211_leave_mesh(struct cfg80211_registered_device *rdev,
154 struct net_device *dev)
156 struct wireless_dev *wdev = dev->ieee80211_ptr;
160 err = __cfg80211_leave_mesh(rdev, dev);