#include "ieee80211_i.h"
#include "mesh.h"
-#define IEEE80211_MESH_PEER_INACTIVITY_LIMIT (1800 * HZ)
-#define IEEE80211_MESH_HOUSEKEEPING_INTERVAL (60 * HZ)
-#define IEEE80211_MESH_RANN_INTERVAL (1 * HZ)
-
#define MESHCONF_CAPAB_ACCEPT_PLINKS 0x01
#define MESHCONF_CAPAB_FORWARDING 0x08
int mesh_allocated;
static struct kmem_cache *rm_cache;
+#ifdef CONFIG_MAC80211_MESH
+bool mesh_action_is_path_sel(struct ieee80211_mgmt *mgmt)
+{
+ return (mgmt->u.action.u.mesh_action.action_code ==
+ WLAN_MESH_ACTION_HWMP_PATH_SELECTION);
+}
+#else
+bool mesh_action_is_path_sel(struct ieee80211_mgmt *mgmt)
+{ return false; }
+#endif
+
void ieee80211s_init(void)
{
mesh_pathtbl_init();
}
p = kmem_cache_alloc(rm_cache, GFP_ATOMIC);
- if (!p) {
- printk(KERN_DEBUG "o11s: could not allocate RMC entry\n");
+ if (!p)
return 0;
- }
+
p->seqnum = seqnum;
p->exp_time = jiffies + RMC_TIMEOUT;
memcpy(p->sa, sa, ETH_ALEN);
return 0;
}
-void mesh_mgmt_ies_add(struct sk_buff *skb, struct ieee80211_sub_if_data *sdata)
+int
+mesh_add_meshconf_ie(struct sk_buff *skb, struct ieee80211_sub_if_data *sdata)
{
- struct ieee80211_local *local = sdata->local;
- struct ieee80211_supported_band *sband;
- u8 *pos;
- int len, i, rate;
- u8 neighbors;
-
- sband = local->hw.wiphy->bands[local->hw.conf.channel->band];
- len = sband->n_bitrates;
- if (len > 8)
- len = 8;
- pos = skb_put(skb, len + 2);
- *pos++ = WLAN_EID_SUPP_RATES;
- *pos++ = len;
- for (i = 0; i < len; i++) {
- rate = sband->bitrates[i].bitrate;
- *pos++ = (u8) (rate / 5);
- }
-
- if (sband->n_bitrates > len) {
- pos = skb_put(skb, sband->n_bitrates - len + 2);
- *pos++ = WLAN_EID_EXT_SUPP_RATES;
- *pos++ = sband->n_bitrates - len;
- for (i = len; i < sband->n_bitrates; i++) {
- rate = sband->bitrates[i].bitrate;
- *pos++ = (u8) (rate / 5);
- }
- }
-
- if (sband->band == IEEE80211_BAND_2GHZ) {
- pos = skb_put(skb, 2 + 1);
- *pos++ = WLAN_EID_DS_PARAMS;
- *pos++ = 1;
- *pos++ = ieee80211_frequency_to_channel(local->hw.conf.channel->center_freq);
- }
+ struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
+ u8 *pos, neighbors;
+ u8 meshconf_len = sizeof(struct ieee80211_meshconf_ie);
- pos = skb_put(skb, 2 + sdata->u.mesh.mesh_id_len);
- *pos++ = WLAN_EID_MESH_ID;
- *pos++ = sdata->u.mesh.mesh_id_len;
- if (sdata->u.mesh.mesh_id_len)
- memcpy(pos, sdata->u.mesh.mesh_id, sdata->u.mesh.mesh_id_len);
+ if (skb_tailroom(skb) < 2 + meshconf_len)
+ return -ENOMEM;
- pos = skb_put(skb, 2 + sizeof(struct ieee80211_meshconf_ie));
+ pos = skb_put(skb, 2 + meshconf_len);
*pos++ = WLAN_EID_MESH_CONFIG;
- *pos++ = sizeof(struct ieee80211_meshconf_ie);
+ *pos++ = meshconf_len;
/* Active path selection protocol ID */
- *pos++ = sdata->u.mesh.mesh_pp_id;
-
+ *pos++ = ifmsh->mesh_pp_id;
/* Active path selection metric ID */
- *pos++ = sdata->u.mesh.mesh_pm_id;
-
+ *pos++ = ifmsh->mesh_pm_id;
/* Congestion control mode identifier */
- *pos++ = sdata->u.mesh.mesh_cc_id;
-
+ *pos++ = ifmsh->mesh_cc_id;
/* Synchronization protocol identifier */
- *pos++ = sdata->u.mesh.mesh_sp_id;
-
+ *pos++ = ifmsh->mesh_sp_id;
/* Authentication Protocol identifier */
- *pos++ = sdata->u.mesh.mesh_auth_id;
-
+ *pos++ = ifmsh->mesh_auth_id;
/* Mesh Formation Info - number of neighbors */
- neighbors = atomic_read(&sdata->u.mesh.mshstats.estab_plinks);
+ neighbors = atomic_read(&ifmsh->mshstats.estab_plinks);
/* Number of neighbor mesh STAs or 15 whichever is smaller */
neighbors = (neighbors > 15) ? 15 : neighbors;
*pos++ = neighbors << 1;
-
/* Mesh capability */
- sdata->u.mesh.accepting_plinks = mesh_plink_availables(sdata);
+ ifmsh->accepting_plinks = mesh_plink_availables(sdata);
*pos = MESHCONF_CAPAB_FORWARDING;
- *pos++ |= sdata->u.mesh.accepting_plinks ?
+ *pos++ |= ifmsh->accepting_plinks ?
MESHCONF_CAPAB_ACCEPT_PLINKS : 0x00;
*pos++ = 0x00;
- if (sdata->u.mesh.ie) {
- int len = sdata->u.mesh.ie_len;
- const u8 *data = sdata->u.mesh.ie;
- if (skb_tailroom(skb) > len)
- memcpy(skb_put(skb, len), data, len);
+ return 0;
+}
+
+int
+mesh_add_meshid_ie(struct sk_buff *skb, struct ieee80211_sub_if_data *sdata)
+{
+ struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
+ u8 *pos;
+
+ if (skb_tailroom(skb) < 2 + ifmsh->mesh_id_len)
+ return -ENOMEM;
+
+ pos = skb_put(skb, 2 + ifmsh->mesh_id_len);
+ *pos++ = WLAN_EID_MESH_ID;
+ *pos++ = ifmsh->mesh_id_len;
+ if (ifmsh->mesh_id_len)
+ memcpy(pos, ifmsh->mesh_id, ifmsh->mesh_id_len);
+
+ return 0;
+}
+
+int
+mesh_add_vendor_ies(struct sk_buff *skb, struct ieee80211_sub_if_data *sdata)
+{
+ struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
+ u8 offset, len;
+ const u8 *data;
+
+ if (!ifmsh->ie || !ifmsh->ie_len)
+ return 0;
+
+ /* fast-forward to vendor IEs */
+ offset = ieee80211_ie_split_vendor(ifmsh->ie, ifmsh->ie_len, 0);
+
+ if (offset) {
+ len = ifmsh->ie_len - offset;
+ data = ifmsh->ie + offset;
+ if (skb_tailroom(skb) < len)
+ return -ENOMEM;
+ memcpy(skb_put(skb, len), data, len);
}
+
+ return 0;
}
+int
+mesh_add_rsn_ie(struct sk_buff *skb, struct ieee80211_sub_if_data *sdata)
+{
+ struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
+ u8 len = 0;
+ const u8 *data;
+
+ if (!ifmsh->ie || !ifmsh->ie_len)
+ return 0;
+
+ /* find RSN IE */
+ data = ifmsh->ie;
+ while (data < ifmsh->ie + ifmsh->ie_len) {
+ if (*data == WLAN_EID_RSN) {
+ len = data[1] + 2;
+ break;
+ }
+ data++;
+ }
+
+ if (len) {
+ if (skb_tailroom(skb) < len)
+ return -ENOMEM;
+ memcpy(skb_put(skb, len), data, len);
+ }
+
+ return 0;
+}
+
+int mesh_add_ds_params_ie(struct sk_buff *skb,
+ struct ieee80211_sub_if_data *sdata)
+{
+ struct ieee80211_local *local = sdata->local;
+ struct ieee80211_supported_band *sband;
+ u8 *pos;
+
+ if (skb_tailroom(skb) < 3)
+ return -ENOMEM;
+
+ sband = local->hw.wiphy->bands[local->hw.conf.channel->band];
+ if (sband->band == IEEE80211_BAND_2GHZ) {
+ pos = skb_put(skb, 2 + 1);
+ *pos++ = WLAN_EID_DS_PARAMS;
+ *pos++ = 1;
+ *pos++ = ieee80211_frequency_to_channel(local->hw.conf.channel->center_freq);
+ }
+
+ return 0;
+}
static void ieee80211_mesh_path_timer(unsigned long data)
{
memcpy(hdr->addr3, meshsa, ETH_ALEN);
return 24;
} else {
- *fc |= cpu_to_le16(IEEE80211_FCTL_FROMDS |
- IEEE80211_FCTL_TODS);
+ *fc |= cpu_to_le16(IEEE80211_FCTL_FROMDS | IEEE80211_FCTL_TODS);
/* RA TA DA SA */
memset(hdr->addr1, 0, ETH_ALEN); /* RA is resolved later */
memcpy(hdr->addr2, meshsa, ETH_ALEN);
mesh_path_tx_root_frame(sdata);
mod_timer(&ifmsh->mesh_path_root_timer,
- round_jiffies(jiffies + IEEE80211_MESH_RANN_INTERVAL));
+ round_jiffies(TU_TO_EXP_TIME(
+ ifmsh->mshcfg.dot11MeshHWMPRannInterval)));
}
#ifdef CONFIG_PM
{
struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
- /* use atomic bitops in case both timers fire at the same time */
+ /* use atomic bitops in case all timers fire at the same time */
if (del_timer_sync(&ifmsh->housekeeping_timer))
set_bit(TMR_RUNNING_HK, &ifmsh->timers_running);
struct ieee80211_rx_status *rx_status)
{
switch (mgmt->u.action.category) {
- case WLAN_CATEGORY_MESH_ACTION:
- mesh_rx_plink_frame(sdata, mgmt, len, rx_status);
+ case WLAN_CATEGORY_SELF_PROTECTED:
+ switch (mgmt->u.action.u.self_prot.action_code) {
+ case WLAN_SP_MESH_PEERING_OPEN:
+ case WLAN_SP_MESH_PEERING_CLOSE:
+ case WLAN_SP_MESH_PEERING_CONFIRM:
+ mesh_rx_plink_frame(sdata, mgmt, len, rx_status);
+ break;
+ }
break;
- case WLAN_CATEGORY_MESH_PATH_SEL:
- mesh_rx_path_sel_frame(sdata, mgmt, len);
+ case WLAN_CATEGORY_MESH_ACTION:
+ if (mesh_action_is_path_sel(mgmt))
+ mesh_rx_path_sel_frame(sdata, mgmt, len);
break;
}
}
ifmsh->accepting_plinks = true;
ifmsh->preq_id = 0;
ifmsh->sn = 0;
+ ifmsh->num_gates = 0;
atomic_set(&ifmsh->mpaths, 0);
mesh_rmc_init(sdata);
ifmsh->last_preq = jiffies;
git.openpandora.org / pandora-kernel.git / blobdiff