-/*
- * Copyright (C) 2007-2012 B.A.T.M.A.N. contributors:
+/* Copyright (C) 2007-2012 B.A.T.M.A.N. contributors:
*
* Marek Lindner, Simon Wunderlich
*
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301, USA
- *
*/
#include "main.h"
#include "bridge_loop_avoidance.h"
-static int bat_get_settings(struct net_device *dev, struct ethtool_cmd *cmd);
-static void bat_get_drvinfo(struct net_device *dev,
- struct ethtool_drvinfo *info);
-static u32 bat_get_msglevel(struct net_device *dev);
-static void bat_set_msglevel(struct net_device *dev, u32 value);
-static u32 bat_get_link(struct net_device *dev);
-
-static const struct ethtool_ops bat_ethtool_ops = {
- .get_settings = bat_get_settings,
- .get_drvinfo = bat_get_drvinfo,
- .get_msglevel = bat_get_msglevel,
- .set_msglevel = bat_set_msglevel,
- .get_link = bat_get_link,
+static int batadv_get_settings(struct net_device *dev, struct ethtool_cmd *cmd);
+static void batadv_get_drvinfo(struct net_device *dev,
+ struct ethtool_drvinfo *info);
+static u32 batadv_get_msglevel(struct net_device *dev);
+static void batadv_set_msglevel(struct net_device *dev, u32 value);
+static u32 batadv_get_link(struct net_device *dev);
+static void batadv_get_strings(struct net_device *dev, u32 stringset, u8 *data);
+static void batadv_get_ethtool_stats(struct net_device *dev,
+ struct ethtool_stats *stats, u64 *data);
+static int batadv_get_sset_count(struct net_device *dev, int stringset);
+
+static const struct ethtool_ops batadv_ethtool_ops = {
+ .get_settings = batadv_get_settings,
+ .get_drvinfo = batadv_get_drvinfo,
+ .get_msglevel = batadv_get_msglevel,
+ .set_msglevel = batadv_set_msglevel,
+ .get_link = batadv_get_link,
+ .get_strings = batadv_get_strings,
+ .get_ethtool_stats = batadv_get_ethtool_stats,
+ .get_sset_count = batadv_get_sset_count,
};
-int my_skb_head_push(struct sk_buff *skb, unsigned int len)
+int batadv_skb_head_push(struct sk_buff *skb, unsigned int len)
{
int result;
- /**
- * TODO: We must check if we can release all references to non-payload
+ /* TODO: We must check if we can release all references to non-payload
* data using skb_header_release in our skbs to allow skb_cow_header to
* work optimally. This means that those skbs are not allowed to read
* or write any data which is before the current position of skb->data
return 0;
}
-static int interface_open(struct net_device *dev)
+static int batadv_interface_open(struct net_device *dev)
{
netif_start_queue(dev);
return 0;
}
-static int interface_release(struct net_device *dev)
+static int batadv_interface_release(struct net_device *dev)
{
netif_stop_queue(dev);
return 0;
}
-static struct net_device_stats *interface_stats(struct net_device *dev)
+static struct net_device_stats *batadv_interface_stats(struct net_device *dev)
{
struct bat_priv *bat_priv = netdev_priv(dev);
return &bat_priv->stats;
}
-static int interface_set_mac_addr(struct net_device *dev, void *p)
+static int batadv_interface_set_mac_addr(struct net_device *dev, void *p)
{
struct bat_priv *bat_priv = netdev_priv(dev);
struct sockaddr *addr = p;
/* only modify transtable if it has been initialized before */
if (atomic_read(&bat_priv->mesh_state) == MESH_ACTIVE) {
- tt_local_remove(bat_priv, dev->dev_addr,
- "mac address changed", false);
- tt_local_add(dev, addr->sa_data, NULL_IFINDEX);
+ batadv_tt_local_remove(bat_priv, dev->dev_addr,
+ "mac address changed", false);
+ batadv_tt_local_add(dev, addr->sa_data, BATADV_NULL_IFINDEX);
}
memcpy(dev->dev_addr, addr->sa_data, ETH_ALEN);
return 0;
}
-static int interface_change_mtu(struct net_device *dev, int new_mtu)
+static int batadv_interface_change_mtu(struct net_device *dev, int new_mtu)
{
/* check ranges */
- if ((new_mtu < 68) || (new_mtu > hardif_min_mtu(dev)))
+ if ((new_mtu < 68) || (new_mtu > batadv_hardif_min_mtu(dev)))
return -EINVAL;
dev->mtu = new_mtu;
return 0;
}
-static int interface_tx(struct sk_buff *skb, struct net_device *soft_iface)
+static int batadv_interface_tx(struct sk_buff *skb,
+ struct net_device *soft_iface)
{
struct ethhdr *ethhdr = (struct ethhdr *)skb->data;
struct bat_priv *bat_priv = netdev_priv(soft_iface);
struct hard_iface *primary_if = NULL;
struct bcast_packet *bcast_packet;
struct vlan_ethhdr *vhdr;
+ __be16 ethertype = __constant_htons(BATADV_ETH_P_BATMAN);
static const uint8_t stp_addr[ETH_ALEN] = {0x01, 0x80, 0xC2, 0x00, 0x00,
0x00};
unsigned int header_len = 0;
vhdr = (struct vlan_ethhdr *)skb->data;
vid = ntohs(vhdr->h_vlan_TCI) & VLAN_VID_MASK;
- if (ntohs(vhdr->h_vlan_encapsulated_proto) != ETH_P_BATMAN)
+ if (vhdr->h_vlan_encapsulated_proto != ethertype)
break;
/* fall through */
- case ETH_P_BATMAN:
+ case BATADV_ETH_P_BATMAN:
goto dropped;
}
- if (bla_tx(bat_priv, skb, vid))
+ if (batadv_bla_tx(bat_priv, skb, vid))
goto dropped;
/* Register the client MAC in the transtable */
- tt_local_add(soft_iface, ethhdr->h_source, skb->skb_iif);
+ batadv_tt_local_add(soft_iface, ethhdr->h_source, skb->skb_iif);
/* don't accept stp packets. STP does not help in meshes.
* better use the bridge loop avoidance ...
*/
- if (compare_eth(ethhdr->h_dest, stp_addr))
+ if (batadv_compare_eth(ethhdr->h_dest, stp_addr))
goto dropped;
if (is_multicast_ether_addr(ethhdr->h_dest)) {
do_bcast = true;
switch (atomic_read(&bat_priv->gw_mode)) {
- case GW_MODE_SERVER:
+ case BATADV_GW_MODE_SERVER:
/* gateway servers should not send dhcp
- * requests into the mesh */
- ret = gw_is_dhcp_target(skb, &header_len);
+ * requests into the mesh
+ */
+ ret = batadv_gw_is_dhcp_target(skb, &header_len);
if (ret)
goto dropped;
break;
- case GW_MODE_CLIENT:
+ case BATADV_GW_MODE_CLIENT:
/* gateway clients should send dhcp requests
- * via unicast to their gateway */
- ret = gw_is_dhcp_target(skb, &header_len);
+ * via unicast to their gateway
+ */
+ ret = batadv_gw_is_dhcp_target(skb, &header_len);
if (ret)
do_bcast = false;
break;
- case GW_MODE_OFF:
+ case BATADV_GW_MODE_OFF:
default:
break;
}
/* ethernet packet should be broadcasted */
if (do_bcast) {
- primary_if = primary_if_get_selected(bat_priv);
+ primary_if = batadv_primary_if_get_selected(bat_priv);
if (!primary_if)
goto dropped;
- if (my_skb_head_push(skb, sizeof(*bcast_packet)) < 0)
+ if (batadv_skb_head_push(skb, sizeof(*bcast_packet)) < 0)
goto dropped;
bcast_packet = (struct bcast_packet *)skb->data;
- bcast_packet->header.version = COMPAT_VERSION;
- bcast_packet->header.ttl = TTL;
+ bcast_packet->header.version = BATADV_COMPAT_VERSION;
+ bcast_packet->header.ttl = BATADV_TTL;
/* batman packet type: broadcast */
bcast_packet->header.packet_type = BAT_BCAST;
/* hw address of first interface is the orig mac because only
- * this mac is known throughout the mesh */
+ * this mac is known throughout the mesh
+ */
memcpy(bcast_packet->orig,
primary_if->net_dev->dev_addr, ETH_ALEN);
bcast_packet->seqno =
htonl(atomic_inc_return(&bat_priv->bcast_seqno));
- add_bcast_packet_to_list(bat_priv, skb, 1);
+ batadv_add_bcast_packet_to_list(bat_priv, skb, 1);
/* a copy is stored in the bcast list, therefore removing
- * the original skb. */
+ * the original skb.
+ */
kfree_skb(skb);
/* unicast packet */
} else {
- if (atomic_read(&bat_priv->gw_mode) != GW_MODE_OFF) {
- ret = gw_out_of_range(bat_priv, skb, ethhdr);
+ if (atomic_read(&bat_priv->gw_mode) != BATADV_GW_MODE_OFF) {
+ ret = batadv_gw_out_of_range(bat_priv, skb, ethhdr);
if (ret)
goto dropped;
}
- ret = unicast_send_skb(skb, bat_priv);
+ ret = batadv_unicast_send_skb(skb, bat_priv);
if (ret != 0)
goto dropped_freed;
}
bat_priv->stats.tx_dropped++;
end:
if (primary_if)
- hardif_free_ref(primary_if);
+ batadv_hardif_free_ref(primary_if);
return NETDEV_TX_OK;
}
-void interface_rx(struct net_device *soft_iface,
- struct sk_buff *skb, struct hard_iface *recv_if,
- int hdr_size)
+void batadv_interface_rx(struct net_device *soft_iface,
+ struct sk_buff *skb, struct hard_iface *recv_if,
+ int hdr_size)
{
struct bat_priv *bat_priv = netdev_priv(soft_iface);
struct ethhdr *ethhdr;
struct vlan_ethhdr *vhdr;
short vid __maybe_unused = -1;
+ __be16 ethertype = __constant_htons(BATADV_ETH_P_BATMAN);
/* check if enough space is available for pulling, and pull */
if (!pskb_may_pull(skb, hdr_size))
vhdr = (struct vlan_ethhdr *)skb->data;
vid = ntohs(vhdr->h_vlan_TCI) & VLAN_VID_MASK;
- if (ntohs(vhdr->h_vlan_encapsulated_proto) != ETH_P_BATMAN)
+ if (vhdr->h_vlan_encapsulated_proto != ethertype)
break;
/* fall through */
- case ETH_P_BATMAN:
+ case BATADV_ETH_P_BATMAN:
goto dropped;
}
/* should not be necessary anymore as we use skb_pull_rcsum()
* TODO: please verify this and remove this TODO
- * -- Dec 21st 2009, Simon Wunderlich */
+ * -- Dec 21st 2009, Simon Wunderlich
+ */
-/* skb->ip_summed = CHECKSUM_UNNECESSARY;*/
+ /* skb->ip_summed = CHECKSUM_UNNECESSARY; */
bat_priv->stats.rx_packets++;
bat_priv->stats.rx_bytes += skb->len + ETH_HLEN;
soft_iface->last_rx = jiffies;
- if (is_ap_isolated(bat_priv, ethhdr->h_source, ethhdr->h_dest))
+ if (batadv_is_ap_isolated(bat_priv, ethhdr->h_source, ethhdr->h_dest))
goto dropped;
/* Let the bridge loop avoidance check the packet. If will
* not handle it, we can safely push it up.
*/
- if (bla_rx(bat_priv, skb, vid))
+ if (batadv_bla_rx(bat_priv, skb, vid))
goto out;
netif_rx(skb);
return;
}
-static const struct net_device_ops bat_netdev_ops = {
- .ndo_open = interface_open,
- .ndo_stop = interface_release,
- .ndo_get_stats = interface_stats,
- .ndo_set_mac_address = interface_set_mac_addr,
- .ndo_change_mtu = interface_change_mtu,
- .ndo_start_xmit = interface_tx,
+static const struct net_device_ops batadv_netdev_ops = {
+ .ndo_open = batadv_interface_open,
+ .ndo_stop = batadv_interface_release,
+ .ndo_get_stats = batadv_interface_stats,
+ .ndo_set_mac_address = batadv_interface_set_mac_addr,
+ .ndo_change_mtu = batadv_interface_change_mtu,
+ .ndo_start_xmit = batadv_interface_tx,
.ndo_validate_addr = eth_validate_addr
};
-static void interface_setup(struct net_device *dev)
+static void batadv_interface_setup(struct net_device *dev)
{
struct bat_priv *priv = netdev_priv(dev);
ether_setup(dev);
- dev->netdev_ops = &bat_netdev_ops;
+ dev->netdev_ops = &batadv_netdev_ops;
dev->destructor = free_netdev;
dev->tx_queue_len = 0;
- /**
- * can't call min_mtu, because the needed variables
+ /* can't call min_mtu, because the needed variables
* have not been initialized yet
*/
dev->mtu = ETH_DATA_LEN;
/* reserve more space in the skbuff for our header */
- dev->hard_header_len = BAT_HEADER_LEN;
+ dev->hard_header_len = BATADV_HEADER_LEN;
/* generate random address */
eth_hw_addr_random(dev);
- SET_ETHTOOL_OPS(dev, &bat_ethtool_ops);
+ SET_ETHTOOL_OPS(dev, &batadv_ethtool_ops);
memset(priv, 0, sizeof(*priv));
}
-struct net_device *softif_create(const char *name)
+struct net_device *batadv_softif_create(const char *name)
{
struct net_device *soft_iface;
struct bat_priv *bat_priv;
int ret;
- soft_iface = alloc_netdev(sizeof(*bat_priv), name, interface_setup);
+ soft_iface = alloc_netdev(sizeof(*bat_priv), name,
+ batadv_interface_setup);
if (!soft_iface)
goto out;
atomic_set(&bat_priv->bridge_loop_avoidance, 0);
atomic_set(&bat_priv->ap_isolation, 0);
atomic_set(&bat_priv->vis_mode, VIS_TYPE_CLIENT_UPDATE);
- atomic_set(&bat_priv->gw_mode, GW_MODE_OFF);
+ atomic_set(&bat_priv->gw_mode, BATADV_GW_MODE_OFF);
atomic_set(&bat_priv->gw_sel_class, 20);
atomic_set(&bat_priv->gw_bandwidth, 41);
atomic_set(&bat_priv->orig_interval, 1000);
atomic_set(&bat_priv->hop_penalty, 30);
atomic_set(&bat_priv->log_level, 0);
atomic_set(&bat_priv->fragmentation, 1);
- atomic_set(&bat_priv->bcast_queue_left, BCAST_QUEUE_LEN);
- atomic_set(&bat_priv->batman_queue_left, BATMAN_QUEUE_LEN);
+ atomic_set(&bat_priv->bcast_queue_left, BATADV_BCAST_QUEUE_LEN);
+ atomic_set(&bat_priv->batman_queue_left, BATADV_BATMAN_QUEUE_LEN);
atomic_set(&bat_priv->mesh_state, MESH_INACTIVE);
atomic_set(&bat_priv->bcast_seqno, 1);
bat_priv->primary_if = NULL;
bat_priv->num_ifaces = 0;
- ret = bat_algo_select(bat_priv, bat_routing_algo);
- if (ret < 0)
+ bat_priv->bat_counters = __alloc_percpu(sizeof(uint64_t) * BAT_CNT_NUM,
+ __alignof__(uint64_t));
+ if (!bat_priv->bat_counters)
goto unreg_soft_iface;
- ret = sysfs_add_meshif(soft_iface);
+ ret = batadv_algo_select(bat_priv, batadv_routing_algo);
if (ret < 0)
- goto unreg_soft_iface;
+ goto free_bat_counters;
+
+ ret = batadv_sysfs_add_meshif(soft_iface);
+ if (ret < 0)
+ goto free_bat_counters;
- ret = debugfs_add_meshif(soft_iface);
+ ret = batadv_debugfs_add_meshif(soft_iface);
if (ret < 0)
goto unreg_sysfs;
- ret = mesh_init(soft_iface);
+ ret = batadv_mesh_init(soft_iface);
if (ret < 0)
goto unreg_debugfs;
return soft_iface;
unreg_debugfs:
- debugfs_del_meshif(soft_iface);
+ batadv_debugfs_del_meshif(soft_iface);
unreg_sysfs:
- sysfs_del_meshif(soft_iface);
+ batadv_sysfs_del_meshif(soft_iface);
+free_bat_counters:
+ free_percpu(bat_priv->bat_counters);
unreg_soft_iface:
unregister_netdevice(soft_iface);
return NULL;
return NULL;
}
-void softif_destroy(struct net_device *soft_iface)
+void batadv_softif_destroy(struct net_device *soft_iface)
{
- debugfs_del_meshif(soft_iface);
- sysfs_del_meshif(soft_iface);
- mesh_free(soft_iface);
+ batadv_debugfs_del_meshif(soft_iface);
+ batadv_sysfs_del_meshif(soft_iface);
+ batadv_mesh_free(soft_iface);
unregister_netdevice(soft_iface);
}
-int softif_is_valid(const struct net_device *net_dev)
+int batadv_softif_is_valid(const struct net_device *net_dev)
{
- if (net_dev->netdev_ops->ndo_start_xmit == interface_tx)
+ if (net_dev->netdev_ops->ndo_start_xmit == batadv_interface_tx)
return 1;
return 0;
}
/* ethtool */
-static int bat_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
+static int batadv_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
{
cmd->supported = 0;
cmd->advertising = 0;
return 0;
}
-static void bat_get_drvinfo(struct net_device *dev,
- struct ethtool_drvinfo *info)
+static void batadv_get_drvinfo(struct net_device *dev,
+ struct ethtool_drvinfo *info)
{
strcpy(info->driver, "B.A.T.M.A.N. advanced");
- strcpy(info->version, SOURCE_VERSION);
+ strcpy(info->version, BATADV_SOURCE_VERSION);
strcpy(info->fw_version, "N/A");
strcpy(info->bus_info, "batman");
}
-static u32 bat_get_msglevel(struct net_device *dev)
+static u32 batadv_get_msglevel(struct net_device *dev)
{
return -EOPNOTSUPP;
}
-static void bat_set_msglevel(struct net_device *dev, u32 value)
+static void batadv_set_msglevel(struct net_device *dev, u32 value)
{
}
-static u32 bat_get_link(struct net_device *dev)
+static u32 batadv_get_link(struct net_device *dev)
{
return 1;
}
+
+/* Inspired by drivers/net/ethernet/dlink/sundance.c:1702
+ * Declare each description string in struct.name[] to get fixed sized buffer
+ * and compile time checking for strings longer than ETH_GSTRING_LEN.
+ */
+static const struct {
+ const char name[ETH_GSTRING_LEN];
+} batadv_counters_strings[] = {
+ { "forward" },
+ { "forward_bytes" },
+ { "mgmt_tx" },
+ { "mgmt_tx_bytes" },
+ { "mgmt_rx" },
+ { "mgmt_rx_bytes" },
+ { "tt_request_tx" },
+ { "tt_request_rx" },
+ { "tt_response_tx" },
+ { "tt_response_rx" },
+ { "tt_roam_adv_tx" },
+ { "tt_roam_adv_rx" },
+};
+
+static void batadv_get_strings(struct net_device *dev, uint32_t stringset,
+ uint8_t *data)
+{
+ if (stringset == ETH_SS_STATS)
+ memcpy(data, batadv_counters_strings,
+ sizeof(batadv_counters_strings));
+}
+
+static void batadv_get_ethtool_stats(struct net_device *dev,
+ struct ethtool_stats *stats,
+ uint64_t *data)
+{
+ struct bat_priv *bat_priv = netdev_priv(dev);
+ int i;
+
+ for (i = 0; i < BAT_CNT_NUM; i++)
+ data[i] = batadv_sum_counter(bat_priv, i);
+}
+
+static int batadv_get_sset_count(struct net_device *dev, int stringset)
+{
+ if (stringset == ETH_SS_STATS)
+ return BAT_CNT_NUM;
+
+ return -EOPNOTSUPP;
+}
projects / cascardo / linux.git / blobdiff