summaryrefslogtreecommitdiffstats
path: root/net/batman-adv
diff options
context:
space:
mode:
Diffstat (limited to 'net/batman-adv')
-rw-r--r--net/batman-adv/bat_iv_ogm.c32
-rw-r--r--net/batman-adv/gateway_client.c27
-rw-r--r--net/batman-adv/gateway_client.h1
-rw-r--r--net/batman-adv/icmp_socket.c1
-rw-r--r--net/batman-adv/main.c58
-rw-r--r--net/batman-adv/main.h5
-rw-r--r--net/batman-adv/routing.c20
-rw-r--r--net/batman-adv/send.c1
-rw-r--r--net/batman-adv/soft-interface.c2
-rw-r--r--net/batman-adv/sysfs.c4
-rw-r--r--net/batman-adv/translation-table.c5
-rw-r--r--net/batman-adv/unicast.c2
-rw-r--r--net/batman-adv/vis.c2
13 files changed, 141 insertions, 19 deletions
diff --git a/net/batman-adv/bat_iv_ogm.c b/net/batman-adv/bat_iv_ogm.c
index 62da5278014a..0a8a80cd4bf1 100644
--- a/net/batman-adv/bat_iv_ogm.c
+++ b/net/batman-adv/bat_iv_ogm.c
@@ -28,6 +28,22 @@
#include "bat_algo.h"
#include "network-coding.h"
+
+/**
+ * batadv_dup_status - duplicate status
+ * @BATADV_NO_DUP: the packet is a duplicate
+ * @BATADV_ORIG_DUP: OGM is a duplicate in the originator (but not for the
+ * neighbor)
+ * @BATADV_NEIGH_DUP: OGM is a duplicate for the neighbor
+ * @BATADV_PROTECTED: originator is currently protected (after reboot)
+ */
+enum batadv_dup_status {
+ BATADV_NO_DUP = 0,
+ BATADV_ORIG_DUP,
+ BATADV_NEIGH_DUP,
+ BATADV_PROTECTED,
+};
+
/**
* batadv_ring_buffer_set - update the ring buffer with the given value
* @lq_recv: pointer to the ring buffer
@@ -71,21 +87,6 @@ static uint8_t batadv_ring_buffer_avg(const uint8_t lq_recv[])
return (uint8_t)(sum / count);
}
-/*
- * batadv_dup_status - duplicate status
- * @BATADV_NO_DUP: the packet is a duplicate
- * @BATADV_ORIG_DUP: OGM is a duplicate in the originator (but not for the
- * neighbor)
- * @BATADV_NEIGH_DUP: OGM is a duplicate for the neighbor
- * @BATADV_PROTECTED: originator is currently protected (after reboot)
- */
-enum batadv_dup_status {
- BATADV_NO_DUP = 0,
- BATADV_ORIG_DUP,
- BATADV_NEIGH_DUP,
- BATADV_PROTECTED,
-};
-
static struct batadv_neigh_node *
batadv_iv_ogm_neigh_new(struct batadv_hard_iface *hard_iface,
const uint8_t *neigh_addr,
@@ -478,6 +479,7 @@ static void batadv_iv_ogm_aggregate_new(const unsigned char *packet_buff,
kfree(forw_packet_aggr);
goto out;
}
+ forw_packet_aggr->skb->priority = TC_PRIO_CONTROL;
skb_reserve(forw_packet_aggr->skb, ETH_HLEN);
skb_buff = skb_put(forw_packet_aggr->skb, packet_len);
diff --git a/net/batman-adv/gateway_client.c b/net/batman-adv/gateway_client.c
index 7614af31daff..1ce4b8763ef2 100644
--- a/net/batman-adv/gateway_client.c
+++ b/net/batman-adv/gateway_client.c
@@ -190,6 +190,33 @@ next:
return curr_gw;
}
+/**
+ * batadv_gw_check_client_stop - check if client mode has been switched off
+ * @bat_priv: the bat priv with all the soft interface information
+ *
+ * This function assumes the caller has checked that the gw state *is actually
+ * changing*. This function is not supposed to be called when there is no state
+ * change.
+ */
+void batadv_gw_check_client_stop(struct batadv_priv *bat_priv)
+{
+ struct batadv_gw_node *curr_gw;
+
+ if (atomic_read(&bat_priv->gw_mode) != BATADV_GW_MODE_CLIENT)
+ return;
+
+ curr_gw = batadv_gw_get_selected_gw_node(bat_priv);
+ if (!curr_gw)
+ return;
+
+ /* if batman-adv is switching the gw client mode off and a gateway was
+ * already selected, send a DEL uevent
+ */
+ batadv_throw_uevent(bat_priv, BATADV_UEV_GW, BATADV_UEV_DEL, NULL);
+
+ batadv_gw_node_free_ref(curr_gw);
+}
+
void batadv_gw_election(struct batadv_priv *bat_priv)
{
struct batadv_gw_node *curr_gw = NULL, *next_gw = NULL;
diff --git a/net/batman-adv/gateway_client.h b/net/batman-adv/gateway_client.h
index 1037d75da51f..ceef4ebe8bcd 100644
--- a/net/batman-adv/gateway_client.h
+++ b/net/batman-adv/gateway_client.h
@@ -20,6 +20,7 @@
#ifndef _NET_BATMAN_ADV_GATEWAY_CLIENT_H_
#define _NET_BATMAN_ADV_GATEWAY_CLIENT_H_
+void batadv_gw_check_client_stop(struct batadv_priv *bat_priv);
void batadv_gw_deselect(struct batadv_priv *bat_priv);
void batadv_gw_election(struct batadv_priv *bat_priv);
struct batadv_orig_node *
diff --git a/net/batman-adv/icmp_socket.c b/net/batman-adv/icmp_socket.c
index b27508b8085c..5a99bb4b6b82 100644
--- a/net/batman-adv/icmp_socket.c
+++ b/net/batman-adv/icmp_socket.c
@@ -183,6 +183,7 @@ static ssize_t batadv_socket_write(struct file *file, const char __user *buff,
goto out;
}
+ skb->priority = TC_PRIO_CONTROL;
skb_reserve(skb, ETH_HLEN);
icmp_packet = (struct batadv_icmp_packet_rr *)skb_put(skb, packet_len);
diff --git a/net/batman-adv/main.c b/net/batman-adv/main.c
index 08125f3f6064..c72d1bcdcf49 100644
--- a/net/batman-adv/main.c
+++ b/net/batman-adv/main.c
@@ -19,6 +19,10 @@
#include <linux/crc32c.h>
#include <linux/highmem.h>
+#include <linux/if_vlan.h>
+#include <net/ip.h>
+#include <net/ipv6.h>
+#include <net/dsfield.h>
#include "main.h"
#include "sysfs.h"
#include "debugfs.h"
@@ -249,6 +253,60 @@ out:
return primary_if;
}
+/**
+ * batadv_skb_set_priority - sets skb priority according to packet content
+ * @skb: the packet to be sent
+ * @offset: offset to the packet content
+ *
+ * This function sets a value between 256 and 263 (802.1d priority), which
+ * can be interpreted by the cfg80211 or other drivers.
+ */
+void batadv_skb_set_priority(struct sk_buff *skb, int offset)
+{
+ struct iphdr ip_hdr_tmp, *ip_hdr;
+ struct ipv6hdr ip6_hdr_tmp, *ip6_hdr;
+ struct ethhdr ethhdr_tmp, *ethhdr;
+ struct vlan_ethhdr *vhdr, vhdr_tmp;
+ u32 prio;
+
+ /* already set, do nothing */
+ if (skb->priority >= 256 && skb->priority <= 263)
+ return;
+
+ ethhdr = skb_header_pointer(skb, offset, sizeof(*ethhdr), &ethhdr_tmp);
+ if (!ethhdr)
+ return;
+
+ switch (ethhdr->h_proto) {
+ case htons(ETH_P_8021Q):
+ vhdr = skb_header_pointer(skb, offset + sizeof(*vhdr),
+ sizeof(*vhdr), &vhdr_tmp);
+ if (!vhdr)
+ return;
+ prio = ntohs(vhdr->h_vlan_TCI) & VLAN_PRIO_MASK;
+ prio = prio >> VLAN_PRIO_SHIFT;
+ break;
+ case htons(ETH_P_IP):
+ ip_hdr = skb_header_pointer(skb, offset + sizeof(*ethhdr),
+ sizeof(*ip_hdr), &ip_hdr_tmp);
+ if (!ip_hdr)
+ return;
+ prio = (ipv4_get_dsfield(ip_hdr) & 0xfc) >> 5;
+ break;
+ case htons(ETH_P_IPV6):
+ ip6_hdr = skb_header_pointer(skb, offset + sizeof(*ethhdr),
+ sizeof(*ip6_hdr), &ip6_hdr_tmp);
+ if (!ip6_hdr)
+ return;
+ prio = (ipv6_get_dsfield(ip6_hdr) & 0xfc) >> 5;
+ break;
+ default:
+ return;
+ }
+
+ skb->priority = prio + 256;
+}
+
static int batadv_recv_unhandled_packet(struct sk_buff *skb,
struct batadv_hard_iface *recv_if)
{
diff --git a/net/batman-adv/main.h b/net/batman-adv/main.h
index 5e9aebb7d56b..24675523930f 100644
--- a/net/batman-adv/main.h
+++ b/net/batman-adv/main.h
@@ -26,7 +26,7 @@
#define BATADV_DRIVER_DEVICE "batman-adv"
#ifndef BATADV_SOURCE_VERSION
-#define BATADV_SOURCE_VERSION "2013.3.0"
+#define BATADV_SOURCE_VERSION "2013.4.0"
#endif
/* B.A.T.M.A.N. parameters */
@@ -184,6 +184,7 @@ void batadv_mesh_free(struct net_device *soft_iface);
int batadv_is_my_mac(struct batadv_priv *bat_priv, const uint8_t *addr);
struct batadv_hard_iface *
batadv_seq_print_text_primary_if_get(struct seq_file *seq);
+void batadv_skb_set_priority(struct sk_buff *skb, int offset);
int batadv_batman_skb_recv(struct sk_buff *skb, struct net_device *dev,
struct packet_type *ptype,
struct net_device *orig_dev);
@@ -253,7 +254,7 @@ static inline void batadv_dbg(int type __always_unused,
/* returns 1 if they are the same ethernet addr
*
- * note: can't use compare_ether_addr() as it requires aligned memory
+ * note: can't use ether_addr_equal() as it requires aligned memory
*/
static inline int batadv_compare_eth(const void *data1, const void *data2)
{
diff --git a/net/batman-adv/routing.c b/net/batman-adv/routing.c
index 2f0bd3ffe6e8..0439395d7ba5 100644
--- a/net/batman-adv/routing.c
+++ b/net/batman-adv/routing.c
@@ -775,7 +775,7 @@ static int batadv_route_unicast_packet(struct sk_buff *skb,
struct batadv_neigh_node *neigh_node = NULL;
struct batadv_unicast_packet *unicast_packet;
struct ethhdr *ethhdr = eth_hdr(skb);
- int res, ret = NET_RX_DROP;
+ int res, hdr_len, ret = NET_RX_DROP;
struct sk_buff *new_skb;
unicast_packet = (struct batadv_unicast_packet *)skb->data;
@@ -835,6 +835,22 @@ static int batadv_route_unicast_packet(struct sk_buff *skb,
/* decrement ttl */
unicast_packet->header.ttl--;
+ switch (unicast_packet->header.packet_type) {
+ case BATADV_UNICAST_4ADDR:
+ hdr_len = sizeof(struct batadv_unicast_4addr_packet);
+ break;
+ case BATADV_UNICAST:
+ hdr_len = sizeof(struct batadv_unicast_packet);
+ break;
+ default:
+ /* other packet types not supported - yet */
+ hdr_len = -1;
+ break;
+ }
+
+ if (hdr_len > 0)
+ batadv_skb_set_priority(skb, hdr_len);
+
res = batadv_send_skb_to_orig(skb, orig_node, recv_if);
/* translate transmit result into receive result */
@@ -1193,6 +1209,8 @@ int batadv_recv_bcast_packet(struct sk_buff *skb,
if (batadv_bla_check_bcast_duplist(bat_priv, skb))
goto out;
+ batadv_skb_set_priority(skb, sizeof(struct batadv_bcast_packet));
+
/* rebroadcast packet */
batadv_add_bcast_packet_to_list(bat_priv, skb, 1);
diff --git a/net/batman-adv/send.c b/net/batman-adv/send.c
index e9ff8d801201..0266edd0fa7f 100644
--- a/net/batman-adv/send.c
+++ b/net/batman-adv/send.c
@@ -67,7 +67,6 @@ int batadv_send_skb_packet(struct sk_buff *skb,
ethhdr->h_proto = __constant_htons(ETH_P_BATMAN);
skb_set_network_header(skb, ETH_HLEN);
- skb->priority = TC_PRIO_CONTROL;
skb->protocol = __constant_htons(ETH_P_BATMAN);
skb->dev = hard_iface->net_dev;
diff --git a/net/batman-adv/soft-interface.c b/net/batman-adv/soft-interface.c
index 0f04e1c302b4..4493913f0d5c 100644
--- a/net/batman-adv/soft-interface.c
+++ b/net/batman-adv/soft-interface.c
@@ -229,6 +229,8 @@ static int batadv_interface_tx(struct sk_buff *skb,
*/
}
+ batadv_skb_set_priority(skb, 0);
+
/* ethernet packet should be broadcasted */
if (do_bcast) {
primary_if = batadv_primary_if_get_selected(bat_priv);
diff --git a/net/batman-adv/sysfs.c b/net/batman-adv/sysfs.c
index 929e304dacb2..4114b961bc2c 100644
--- a/net/batman-adv/sysfs.c
+++ b/net/batman-adv/sysfs.c
@@ -385,6 +385,10 @@ static ssize_t batadv_store_gw_mode(struct kobject *kobj,
curr_gw_mode_str, buff);
batadv_gw_deselect(bat_priv);
+ /* always call batadv_gw_check_client_stop() before changing the gateway
+ * state
+ */
+ batadv_gw_check_client_stop(bat_priv);
atomic_set(&bat_priv->gw_mode, (unsigned int)gw_mode_tmp);
return count;
}
diff --git a/net/batman-adv/translation-table.c b/net/batman-adv/translation-table.c
index 429aeef3d8b2..34510f38708f 100644
--- a/net/batman-adv/translation-table.c
+++ b/net/batman-adv/translation-table.c
@@ -1626,6 +1626,7 @@ batadv_tt_response_fill_table(uint16_t tt_len, uint8_t ttvn,
if (!skb)
goto out;
+ skb->priority = TC_PRIO_CONTROL;
skb_reserve(skb, ETH_HLEN);
tt_response = (struct batadv_tt_query_packet *)skb_put(skb, len);
tt_response->ttvn = ttvn;
@@ -1691,6 +1692,7 @@ static int batadv_send_tt_request(struct batadv_priv *bat_priv,
if (!skb)
goto out;
+ skb->priority = TC_PRIO_CONTROL;
skb_reserve(skb, ETH_HLEN);
tt_req_len = sizeof(*tt_request);
@@ -1788,6 +1790,7 @@ batadv_send_other_tt_response(struct batadv_priv *bat_priv,
if (!skb)
goto unlock;
+ skb->priority = TC_PRIO_CONTROL;
skb_reserve(skb, ETH_HLEN);
packet_pos = skb_put(skb, len);
tt_response = (struct batadv_tt_query_packet *)packet_pos;
@@ -1906,6 +1909,7 @@ batadv_send_my_tt_response(struct batadv_priv *bat_priv,
if (!skb)
goto unlock;
+ skb->priority = TC_PRIO_CONTROL;
skb_reserve(skb, ETH_HLEN);
packet_pos = skb_put(skb, len);
tt_response = (struct batadv_tt_query_packet *)packet_pos;
@@ -2240,6 +2244,7 @@ static void batadv_send_roam_adv(struct batadv_priv *bat_priv, uint8_t *client,
if (!skb)
goto out;
+ skb->priority = TC_PRIO_CONTROL;
skb_reserve(skb, ETH_HLEN);
roam_adv_packet = (struct batadv_roam_adv_packet *)skb_put(skb, len);
diff --git a/net/batman-adv/unicast.c b/net/batman-adv/unicast.c
index 857e1b8349ee..48b31d33ce6b 100644
--- a/net/batman-adv/unicast.c
+++ b/net/batman-adv/unicast.c
@@ -242,6 +242,8 @@ int batadv_frag_send_skb(struct sk_buff *skb, struct batadv_priv *bat_priv,
frag_skb = dev_alloc_skb(data_len - (data_len / 2) + ucf_hdr_len);
if (!frag_skb)
goto dropped;
+
+ skb->priority = TC_PRIO_CONTROL;
skb_reserve(frag_skb, ucf_hdr_len);
unicast_packet = (struct batadv_unicast_packet *)skb->data;
diff --git a/net/batman-adv/vis.c b/net/batman-adv/vis.c
index 4983340f1943..d8ea31a58457 100644
--- a/net/batman-adv/vis.c
+++ b/net/batman-adv/vis.c
@@ -397,6 +397,7 @@ batadv_add_packet(struct batadv_priv *bat_priv,
kfree(info);
return NULL;
}
+ info->skb_packet->priority = TC_PRIO_CONTROL;
skb_reserve(info->skb_packet, ETH_HLEN);
packet = (struct batadv_vis_packet *)skb_put(info->skb_packet, len);
@@ -861,6 +862,7 @@ int batadv_vis_init(struct batadv_priv *bat_priv)
if (!bat_priv->vis.my_info->skb_packet)
goto free_info;
+ bat_priv->vis.my_info->skb_packet->priority = TC_PRIO_CONTROL;
skb_reserve(bat_priv->vis.my_info->skb_packet, ETH_HLEN);
tmp_skb = bat_priv->vis.my_info->skb_packet;
packet = (struct batadv_vis_packet *)skb_put(tmp_skb, sizeof(*packet));
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-10 02:55:59 +0000