Signed-off-by: Luis Carlos Cobo <[email protected]>
---
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
> +#ifdef CONFIG_MAC80211_MESH
> +#include "mesh.h"
> +#endif
No need to protect includes, please don't.
> + case IEEE80211_IF_TYPE_MESH_POINT:
> + sta_info_flush(local, dev);
> + /* fall through */
This is actually necessary generally, not just for mesh. If my recent
sta info stuff goes in first then that will already be there, otherwise
I'll rebase and remove this again.
Rest looks fine.
johannes