Signed-off-by: Luis Carlos Cobo <luisca@xxxxxxxxxxx>
---
include/linux/ieee80211.h | 35 +++++++++++++++++++++++++++++++++++
include/linux/wireless.h | 1 +
include/net/mac80211.h | 3 +++
net/mac80211/Kconfig | 15 +++++++++++++++
net/mac80211/Makefile | 6 ++++++
net/mac80211/ieee80211.c | 31 +++++++++++++++++++++++++++++--
6 files changed, 89 insertions(+), 2 deletions(-)
diff --git a/include/linux/ieee80211.h b/include/linux/ieee80211.h
index f577c8f..f27d11a 100644
--- a/include/linux/ieee80211.h
+++ b/include/linux/ieee80211.h
@@ -97,6 +97,7 @@
#define IEEE80211_MAX_FRAME_LEN 2352
#define IEEE80211_MAX_SSID_LEN 32
+#define IEEE80211_MAX_MESH_ID_LEN 32
struct ieee80211_hdr {
__le16 frame_control;
@@ -109,6 +110,16 @@ struct ieee80211_hdr {
} __attribute__ ((packed));
+struct ieee80211s_hdr {
+ u8 flags;
+ u8 ttl;
+ u8 seqnum[3];
+ u8 eaddr1[6];
+ u8 eaddr2[6];
+ u8 eaddr3[6];
+} __attribute__ ((packed));
+
+
struct ieee80211_mgmt {
__le16 frame_control;
__le16 duration;
@@ -206,6 +217,23 @@ struct ieee80211_mgmt {
__le16 params;
__le16 reason_code;
} __attribute__((packed)) delba;
+ struct{
+ u8 action_code;
+ /* capab_info for open and confirm,
+ * reason for close
+ */
+ __le16 aux;
+ /* Followed in plink_confirm by status
+ * code, AID and supported rates,
+ * and directly by supported rates in
+ * plink_open and plink_close
+ */
+ u8 variable[0];
+ } __attribute__((packed)) plink_action;
+ struct{
+ u8 action_code;
+ u8 variable[0];
+ } __attribute__((packed)) mesh_action;
} u;
} __attribute__ ((packed)) action;
} u;
@@ -437,6 +465,13 @@ enum ieee80211_eid {
WLAN_EID_TS_DELAY = 43,
WLAN_EID_TCLAS_PROCESSING = 44,
WLAN_EID_QOS_CAPA = 46,
+ /* 802.11s */
+ WLAN_EID_MESH_CONFIG = 36, /* Pending IEEE 802.11 ANA approval */
+ WLAN_EID_MESH_ID = 37, /* Pending IEEE 802.11 ANA approval */
+ WLAN_EID_PEER_LINK = 40, /* Pending IEEE 802.11 ANA approval */
+ WLAN_EID_PREQ = 53, /* Pending IEEE 802.11 ANA approval */
+ WLAN_EID_PREP = 54, /* Pending IEEE 802.11 ANA approval */
+ WLAN_EID_PERR = 55, /* Pending IEEE 802.11 ANA approval */
/* 802.11h */
WLAN_EID_PWR_CONSTRAINT = 32,
WLAN_EID_PWR_CAPABILITY = 33,
diff --git a/include/linux/wireless.h b/include/linux/wireless.h
index 74e84ca..151f48f 100644
--- a/include/linux/wireless.h
+++ b/include/linux/wireless.h
@@ -455,6 +455,7 @@
#define IW_MODE_REPEAT 4 /* Wireless Repeater (forwarder) */
#define IW_MODE_SECOND 5 /* Secondary master/repeater (backup) */
#define IW_MODE_MONITOR 6 /* Passive monitor (listen only) */
+#define IW_MODE_MESH 7 /* Mesh (IEEE 802.11s) network */
/* Statistics flags (bitmask in updated) */
#define IW_QUAL_QUAL_UPDATED 0x01 /* Value was updated since last read */
diff --git a/include/net/mac80211.h b/include/net/mac80211.h
index 460da54..d762c26 100644
--- a/include/net/mac80211.h
+++ b/include/net/mac80211.h
@@ -436,6 +436,7 @@ enum ieee80211_if_types {
IEEE80211_IF_TYPE_AP,
IEEE80211_IF_TYPE_STA,
IEEE80211_IF_TYPE_IBSS,
+ IEEE80211_IF_TYPE_MESH_POINT,
IEEE80211_IF_TYPE_MNTR,
IEEE80211_IF_TYPE_WDS,
IEEE80211_IF_TYPE_VLAN,
@@ -497,6 +498,8 @@ struct ieee80211_if_init_conf {
* config_interface() call, so copy the value somewhere if you need
* it.
* @ssid_len: length of the @ssid field.
+ * @mesh_id: mesh ID of the mesh network we will be part of.
+ * @mesh_id_len: length of the @mesh_id field.
* @beacon: beacon template. Valid only if @host_gen_beacon_template in
* &struct ieee80211_hw is set. The driver is responsible of freeing
* the sk_buff.
diff --git a/net/mac80211/Kconfig b/net/mac80211/Kconfig
index 45c7c0c..e91fd85 100644
--- a/net/mac80211/Kconfig
+++ b/net/mac80211/Kconfig
@@ -81,6 +81,14 @@ config MAC80211_RC_SIMPLE
Say N unless you know what you are doing.
endmenu
+config MAC80211_MESH
+ bool "Enable mac80211 mesh networking (pre-802.11s) support"
+ depends on MAC80211 && EXPERIMENTAL
+ ---help---
+ This options enables support of pre-802.11s mesh interfaces.
+ For more information visit http://o11s.org
+
+
config MAC80211_LEDS
bool "Enable LED triggers"
depends on MAC80211 && LEDS_TRIGGERS
@@ -166,3 +174,10 @@ config MAC80211_VERBOSE_PS_DEBUG
---help---
Say Y here to print out verbose powersave
mode debug messages.
+
+config MAC80211_VERBOSE_MPL_DEBUG
+ bool "Verbose mesh peer link debugging"
+ depends on MAC80211_DEBUG && MAC80211_MESH
+ ---help---
+ Say Y here to print out verbose mesh peer link
+ debug messages.
diff --git a/net/mac80211/Makefile b/net/mac80211/Makefile
index 9d7a195..829ce42 100644
--- a/net/mac80211/Makefile
+++ b/net/mac80211/Makefile
@@ -36,6 +36,12 @@ mac80211-$(CONFIG_MAC80211_DEBUGFS) += \
debugfs_netdev.o \
debugfs_key.o
+mac80211-$(CONFIG_MAC80211_MESH) += \
+ mesh.o \
+ mesh_pathtbl.o \
+ mesh_plink.o \
+ mesh_hwmp.o
+
# Build rate control algorithm(s)
CFLAGS_rc80211_simple.o += -DRC80211_SIMPLE_COMPILE
diff --git a/net/mac80211/ieee80211.c b/net/mac80211/ieee80211.c
index 1a0171d..6b5a1f4 100644
--- a/net/mac80211/ieee80211.c
+++ b/net/mac80211/ieee80211.c
@@ -26,6 +26,9 @@
#include "ieee80211_i.h"
#include "ieee80211_rate.h"
+#ifdef CONFIG_MAC80211_MESH
+#include "mesh.h"
+#endif
#include "wep.h"
#include "wme.h"
#include "aes_ccm.h"
@@ -138,9 +141,15 @@ static void ieee80211_master_set_multicast_list(struct net_device *dev)
static int ieee80211_change_mtu(struct net_device *dev, int new_mtu)
{
+ int meshhdrlen;
+ struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+
+ meshhdrlen = (sdata->vif.type == IEEE80211_IF_TYPE_MESH_POINT) ? 5 : 0;
+
/* FIX: what would be proper limits for MTU?
* This interface uses 802.3 frames. */
- if (new_mtu < 256 || new_mtu > IEEE80211_MAX_DATA_LEN - 24 - 6) {
+ if (new_mtu < 256 ||
+ new_mtu > IEEE80211_MAX_DATA_LEN - 24 - 6 - meshhdrlen) {
printk(KERN_WARNING "%s: invalid MTU %d\n",
dev->name, new_mtu);
return -EINVAL;
@@ -214,6 +223,7 @@ static int ieee80211_open(struct net_device *dev)
case IEEE80211_IF_TYPE_STA:
case IEEE80211_IF_TYPE_MNTR:
case IEEE80211_IF_TYPE_IBSS:
+ case IEEE80211_IF_TYPE_MESH_POINT:
/* no special treatment */
break;
case IEEE80211_IF_TYPE_INVALID:
@@ -394,6 +404,9 @@ static int ieee80211_stop(struct net_device *dev)
ieee80211_configure_filter(local);
netif_tx_unlock_bh(local->mdev);
break;
+ case IEEE80211_IF_TYPE_MESH_POINT:
+ sta_info_flush(local, dev);
+ /* fall through */
case IEEE80211_IF_TYPE_STA:
case IEEE80211_IF_TYPE_IBSS:
sdata->u.sta.state = IEEE80211_DISABLED;
@@ -879,6 +892,11 @@ static int __ieee80211_if_config(struct net_device *dev,
conf.bssid = sdata->u.sta.bssid;
conf.ssid = sdata->u.sta.ssid;
conf.ssid_len = sdata->u.sta.ssid_len;
+#ifdef CONFIG_MAC80211_MESH
+ } else if (sdata->vif.type == IEEE80211_IF_TYPE_MESH_POINT) {
+ conf.beacon = beacon;
+ ieee80211_start_mesh(dev);
+#endif
} else if (sdata->vif.type == IEEE80211_IF_TYPE_AP) {
conf.ssid = sdata->u.ap.ssid;
conf.ssid_len = sdata->u.ap.ssid_len;
@@ -891,6 +909,11 @@ static int __ieee80211_if_config(struct net_device *dev,
int ieee80211_if_config(struct net_device *dev)
{
+ struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+ struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
+ if (sdata->vif.type == IEEE80211_IF_TYPE_MESH_POINT &&
+ (local->hw.flags & IEEE80211_HW_HOST_GEN_BEACON_TEMPLATE))
+ return ieee80211_if_config_beacon(dev);
return __ieee80211_if_config(dev, NULL, NULL);
}
@@ -1579,7 +1602,7 @@ int ieee80211_register_hw(struct ieee80211_hw *hw)
/* add one default STA interface */
result = ieee80211_if_add(local->mdev, "wlan%d", NULL,
- IEEE80211_IF_TYPE_STA);
+ IEEE80211_IF_TYPE_STA, NULL);
if (result)
printk(KERN_WARNING "%s: Failed to add default virtual iface\n",
wiphy_name(local->hw.wiphy));
@@ -1714,6 +1737,10 @@ static void __exit ieee80211_exit(void)
rc80211_simple_exit();
rc80211_pid_exit();
+#ifdef CONFIG_MAC80211_MESH
+ if (mesh_allocated)
+ ieee80211s_stop();
+#endif
ieee80211_wme_unregister();
ieee80211_debugfs_netdev_exit();
}
--
1.5.2.5
-
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