summaryrefslogtreecommitdiffstats
path: root/net/batman-adv
diff options
context:
space:
mode:
Diffstat (limited to 'net/batman-adv')
-rw-r--r--net/batman-adv/bat_debugfs.c4
-rw-r--r--net/batman-adv/bat_iv_ogm.c2
-rw-r--r--net/batman-adv/bat_sysfs.c81
-rw-r--r--net/batman-adv/gateway_client.c2
-rw-r--r--net/batman-adv/gateway_common.c26
-rw-r--r--net/batman-adv/hard-interface.c38
-rw-r--r--net/batman-adv/main.h20
-rw-r--r--net/batman-adv/routing.c4
-rw-r--r--net/batman-adv/send.c2
-rw-r--r--net/batman-adv/translation-table.c4
-rw-r--r--net/batman-adv/vis.c4
11 files changed, 98 insertions, 89 deletions
diff --git a/net/batman-adv/bat_debugfs.c b/net/batman-adv/bat_debugfs.c
index 03f09f0f6d98..ca6aee4bf941 100644
--- a/net/batman-adv/bat_debugfs.c
+++ b/net/batman-adv/bat_debugfs.c
@@ -360,8 +360,8 @@ int batadv_debugfs_add_meshif(struct net_device *dev)
bat_priv->debug_dir,
dev, &(*bat_debug)->fops);
if (!file) {
- bat_err(dev, "Can't add debugfs file: %s/%s\n",
- dev->name, ((*bat_debug)->attr).name);
+ batadv_err(dev, "Can't add debugfs file: %s/%s\n",
+ dev->name, ((*bat_debug)->attr).name);
goto rem_attr;
}
}
diff --git a/net/batman-adv/bat_iv_ogm.c b/net/batman-adv/bat_iv_ogm.c
index ca6466574c46..ffe9d1d057c1 100644
--- a/net/batman-adv/bat_iv_ogm.c
+++ b/net/batman-adv/bat_iv_ogm.c
@@ -373,7 +373,7 @@ static void batadv_iv_ogm_aggregate_new(const unsigned char *packet_buff,
/* own packet should always be scheduled */
if (!own_packet) {
- if (!atomic_dec_not_zero(&bat_priv->batman_queue_left)) {
+ if (!batadv_atomic_dec_not_zero(&bat_priv->batman_queue_left)) {
batadv_dbg(DBG_BATMAN, bat_priv,
"batman packet queue full\n");
goto out;
diff --git a/net/batman-adv/bat_sysfs.c b/net/batman-adv/bat_sysfs.c
index 03b76a41ac4e..54429a222bd6 100644
--- a/net/batman-adv/bat_sysfs.c
+++ b/net/batman-adv/bat_sysfs.c
@@ -191,18 +191,17 @@ static int batadv_store_bool_attr(char *buff, size_t count,
enabled = 0;
if (enabled < 0) {
- bat_info(net_dev,
- "%s: Invalid parameter received: %s\n",
- attr_name, buff);
+ batadv_info(net_dev, "%s: Invalid parameter received: %s\n",
+ attr_name, buff);
return -EINVAL;
}
if (atomic_read(attr) == enabled)
return count;
- bat_info(net_dev, "%s: Changing from: %s to: %s\n", attr_name,
- atomic_read(attr) == 1 ? "enabled" : "disabled",
- enabled == 1 ? "enabled" : "disabled");
+ batadv_info(net_dev, "%s: Changing from: %s to: %s\n", attr_name,
+ atomic_read(attr) == 1 ? "enabled" : "disabled",
+ enabled == 1 ? "enabled" : "disabled");
atomic_set(attr, (unsigned int)enabled);
return count;
@@ -235,29 +234,28 @@ static int batadv_store_uint_attr(const char *buff, size_t count,
ret = kstrtoul(buff, 10, &uint_val);
if (ret) {
- bat_info(net_dev,
- "%s: Invalid parameter received: %s\n",
- attr_name, buff);
+ batadv_info(net_dev, "%s: Invalid parameter received: %s\n",
+ attr_name, buff);
return -EINVAL;
}
if (uint_val < min) {
- bat_info(net_dev, "%s: Value is too small: %lu min: %u\n",
- attr_name, uint_val, min);
+ batadv_info(net_dev, "%s: Value is too small: %lu min: %u\n",
+ attr_name, uint_val, min);
return -EINVAL;
}
if (uint_val > max) {
- bat_info(net_dev, "%s: Value is too big: %lu max: %u\n",
- attr_name, uint_val, max);
+ batadv_info(net_dev, "%s: Value is too big: %lu max: %u\n",
+ attr_name, uint_val, max);
return -EINVAL;
}
if (atomic_read(attr) == uint_val)
return count;
- bat_info(net_dev, "%s: Changing from: %i to: %lu\n",
- attr_name, atomic_read(attr), uint_val);
+ batadv_info(net_dev, "%s: Changing from: %i to: %lu\n",
+ attr_name, atomic_read(attr), uint_val);
atomic_set(attr, uint_val);
return count;
@@ -299,6 +297,7 @@ static ssize_t batadv_store_vis_mode(struct kobject *kobj,
struct bat_priv *bat_priv = netdev_priv(net_dev);
unsigned long val;
int ret, vis_mode_tmp = -1;
+ const char *old_mode, *new_mode;
ret = kstrtoul(buff, 10, &val);
@@ -315,19 +314,27 @@ static ssize_t batadv_store_vis_mode(struct kobject *kobj,
if (buff[count - 1] == '\n')
buff[count - 1] = '\0';
- bat_info(net_dev,
- "Invalid parameter for 'vis mode' setting received: %s\n",
- buff);
+ batadv_info(net_dev,
+ "Invalid parameter for 'vis mode' setting received: %s\n",
+ buff);
return -EINVAL;
}
if (atomic_read(&bat_priv->vis_mode) == vis_mode_tmp)
return count;
- bat_info(net_dev, "Changing vis mode from: %s to: %s\n",
- atomic_read(&bat_priv->vis_mode) == VIS_TYPE_CLIENT_UPDATE ?
- "client" : "server", vis_mode_tmp == VIS_TYPE_CLIENT_UPDATE ?
- "client" : "server");
+ if (atomic_read(&bat_priv->vis_mode) == VIS_TYPE_CLIENT_UPDATE)
+ old_mode = "client";
+ else
+ old_mode = "server";
+
+ if (vis_mode_tmp == VIS_TYPE_CLIENT_UPDATE)
+ new_mode = "client";
+ else
+ new_mode = "server";
+
+ batadv_info(net_dev, "Changing vis mode from: %s to: %s\n", old_mode,
+ new_mode);
atomic_set(&bat_priv->vis_mode, (unsigned int)vis_mode_tmp);
return count;
@@ -391,9 +398,9 @@ static ssize_t batadv_store_gw_mode(struct kobject *kobj,
gw_mode_tmp = GW_MODE_SERVER;
if (gw_mode_tmp < 0) {
- bat_info(net_dev,
- "Invalid parameter for 'gw mode' setting received: %s\n",
- buff);
+ batadv_info(net_dev,
+ "Invalid parameter for 'gw mode' setting received: %s\n",
+ buff);
return -EINVAL;
}
@@ -412,8 +419,8 @@ static ssize_t batadv_store_gw_mode(struct kobject *kobj,
break;
}
- bat_info(net_dev, "Changing gw mode from: %s to: %s\n",
- curr_gw_mode_str, buff);
+ batadv_info(net_dev, "Changing gw mode from: %s to: %s\n",
+ curr_gw_mode_str, buff);
batadv_gw_deselect(bat_priv);
atomic_set(&bat_priv->gw_mode, (unsigned int)gw_mode_tmp);
@@ -500,8 +507,8 @@ int batadv_sysfs_add_meshif(struct net_device *dev)
bat_priv->mesh_obj = kobject_create_and_add(SYSFS_IF_MESH_SUBDIR,
batif_kobject);
if (!bat_priv->mesh_obj) {
- bat_err(dev, "Can't add sysfs directory: %s/%s\n", dev->name,
- SYSFS_IF_MESH_SUBDIR);
+ batadv_err(dev, "Can't add sysfs directory: %s/%s\n", dev->name,
+ SYSFS_IF_MESH_SUBDIR);
goto out;
}
@@ -509,9 +516,9 @@ int batadv_sysfs_add_meshif(struct net_device *dev)
err = sysfs_create_file(bat_priv->mesh_obj,
&((*bat_attr)->attr));
if (err) {
- bat_err(dev, "Can't add sysfs file: %s/%s/%s\n",
- dev->name, SYSFS_IF_MESH_SUBDIR,
- ((*bat_attr)->attr).name);
+ batadv_err(dev, "Can't add sysfs file: %s/%s/%s\n",
+ dev->name, SYSFS_IF_MESH_SUBDIR,
+ ((*bat_attr)->attr).name);
goto rem_attr;
}
}
@@ -669,17 +676,17 @@ int batadv_sysfs_add_hardif(struct kobject **hardif_obj, struct net_device *dev)
hardif_kobject);
if (!*hardif_obj) {
- bat_err(dev, "Can't add sysfs directory: %s/%s\n", dev->name,
- SYSFS_IF_BAT_SUBDIR);
+ batadv_err(dev, "Can't add sysfs directory: %s/%s\n", dev->name,
+ SYSFS_IF_BAT_SUBDIR);
goto out;
}
for (bat_attr = batadv_batman_attrs; *bat_attr; ++bat_attr) {
err = sysfs_create_file(*hardif_obj, &((*bat_attr)->attr));
if (err) {
- bat_err(dev, "Can't add sysfs file: %s/%s/%s\n",
- dev->name, SYSFS_IF_BAT_SUBDIR,
- ((*bat_attr)->attr).name);
+ batadv_err(dev, "Can't add sysfs file: %s/%s/%s\n",
+ dev->name, SYSFS_IF_BAT_SUBDIR,
+ ((*bat_attr)->attr).name);
goto rem_attr;
}
}
diff --git a/net/batman-adv/gateway_client.c b/net/batman-adv/gateway_client.c
index efe7519f1491..f43eb57b8a69 100644
--- a/net/batman-adv/gateway_client.c
+++ b/net/batman-adv/gateway_client.c
@@ -197,7 +197,7 @@ void batadv_gw_election(struct bat_priv *bat_priv)
if (atomic_read(&bat_priv->gw_mode) != GW_MODE_CLIENT)
goto out;
- if (!atomic_dec_not_zero(&bat_priv->gw_reselect))
+ if (!batadv_atomic_dec_not_zero(&bat_priv->gw_reselect))
goto out;
curr_gw = batadv_gw_get_selected_gw_node(bat_priv);
diff --git a/net/batman-adv/gateway_common.c b/net/batman-adv/gateway_common.c
index 6edf37f9a15c..f5c3980aaea6 100644
--- a/net/batman-adv/gateway_common.c
+++ b/net/batman-adv/gateway_common.c
@@ -97,9 +97,9 @@ static bool batadv_parse_gw_bandwidth(struct net_device *net_dev, char *buff,
ret = kstrtol(buff, 10, &ldown);
if (ret) {
- bat_err(net_dev,
- "Download speed of gateway mode invalid: %s\n",
- buff);
+ batadv_err(net_dev,
+ "Download speed of gateway mode invalid: %s\n",
+ buff);
return false;
}
@@ -122,9 +122,9 @@ static bool batadv_parse_gw_bandwidth(struct net_device *net_dev, char *buff,
ret = kstrtol(slash_ptr + 1, 10, &lup);
if (ret) {
- bat_err(net_dev,
- "Upload speed of gateway mode invalid: %s\n",
- slash_ptr + 1);
+ batadv_err(net_dev,
+ "Upload speed of gateway mode invalid: %s\n",
+ slash_ptr + 1);
return false;
}
@@ -164,13 +164,13 @@ ssize_t batadv_gw_bandwidth_set(struct net_device *net_dev, char *buff,
return count;
batadv_gw_deselect(bat_priv);
- bat_info(net_dev,
- "Changing gateway bandwidth from: '%i' to: '%ld' (propagating: %d%s/%d%s)\n",
- atomic_read(&bat_priv->gw_bandwidth), gw_bandwidth_tmp,
- (down > 2048 ? down / 1024 : down),
- (down > 2048 ? "MBit" : "KBit"),
- (up > 2048 ? up / 1024 : up),
- (up > 2048 ? "MBit" : "KBit"));
+ batadv_info(net_dev,
+ "Changing gateway bandwidth from: '%i' to: '%ld' (propagating: %d%s/%d%s)\n",
+ atomic_read(&bat_priv->gw_bandwidth), gw_bandwidth_tmp,
+ (down > 2048 ? down / 1024 : down),
+ (down > 2048 ? "MBit" : "KBit"),
+ (up > 2048 ? up / 1024 : up),
+ (up > 2048 ? "MBit" : "KBit"));
atomic_set(&bat_priv->gw_bandwidth, gw_bandwidth_tmp);
diff --git a/net/batman-adv/hard-interface.c b/net/batman-adv/hard-interface.c
index c22c145d8224..c1ba6e28a96c 100644
--- a/net/batman-adv/hard-interface.c
+++ b/net/batman-adv/hard-interface.c
@@ -234,8 +234,8 @@ static void batadv_hardif_activate_interface(struct hard_iface *hard_iface)
if (!primary_if)
batadv_primary_if_select(bat_priv, hard_iface);
- bat_info(hard_iface->soft_iface, "Interface activated: %s\n",
- hard_iface->net_dev->name);
+ batadv_info(hard_iface->soft_iface, "Interface activated: %s\n",
+ hard_iface->net_dev->name);
batadv_update_min_mtu(hard_iface->soft_iface);
@@ -252,8 +252,8 @@ static void batadv_hardif_deactivate_interface(struct hard_iface *hard_iface)
hard_iface->if_status = IF_INACTIVE;
- bat_info(hard_iface->soft_iface, "Interface deactivated: %s\n",
- hard_iface->net_dev->name);
+ batadv_info(hard_iface->soft_iface, "Interface deactivated: %s\n",
+ hard_iface->net_dev->name);
batadv_update_min_mtu(hard_iface->soft_iface);
}
@@ -315,29 +315,29 @@ int batadv_hardif_enable_interface(struct hard_iface *hard_iface,
dev_add_pack(&hard_iface->batman_adv_ptype);
atomic_set(&hard_iface->frag_seqno, 1);
- bat_info(hard_iface->soft_iface, "Adding interface: %s\n",
- hard_iface->net_dev->name);
+ batadv_info(hard_iface->soft_iface, "Adding interface: %s\n",
+ hard_iface->net_dev->name);
if (atomic_read(&bat_priv->fragmentation) && hard_iface->net_dev->mtu <
ETH_DATA_LEN + BAT_HEADER_LEN)
- bat_info(hard_iface->soft_iface,
- "The MTU of interface %s is too small (%i) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to %zi would solve the problem.\n",
- hard_iface->net_dev->name, hard_iface->net_dev->mtu,
- ETH_DATA_LEN + BAT_HEADER_LEN);
+ batadv_info(hard_iface->soft_iface,
+ "The MTU of interface %s is too small (%i) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to %zi would solve the problem.\n",
+ hard_iface->net_dev->name, hard_iface->net_dev->mtu,
+ ETH_DATA_LEN + BAT_HEADER_LEN);
if (!atomic_read(&bat_priv->fragmentation) && hard_iface->net_dev->mtu <
ETH_DATA_LEN + BAT_HEADER_LEN)
- bat_info(hard_iface->soft_iface,
- "The MTU of interface %s is too small (%i) to handle the transport of batman-adv packets. If you experience problems getting traffic through try increasing the MTU to %zi.\n",
- hard_iface->net_dev->name, hard_iface->net_dev->mtu,
- ETH_DATA_LEN + BAT_HEADER_LEN);
+ batadv_info(hard_iface->soft_iface,
+ "The MTU of interface %s is too small (%i) to handle the transport of batman-adv packets. If you experience problems getting traffic through try increasing the MTU to %zi.\n",
+ hard_iface->net_dev->name, hard_iface->net_dev->mtu,
+ ETH_DATA_LEN + BAT_HEADER_LEN);
if (batadv_hardif_is_iface_up(hard_iface))
batadv_hardif_activate_interface(hard_iface);
else
- bat_err(hard_iface->soft_iface,
- "Not using interface %s (retrying later): interface not active\n",
- hard_iface->net_dev->name);
+ batadv_err(hard_iface->soft_iface,
+ "Not using interface %s (retrying later): interface not active\n",
+ hard_iface->net_dev->name);
/* begin scheduling originator messages on that interface */
batadv_schedule_bat_ogm(hard_iface);
@@ -363,8 +363,8 @@ void batadv_hardif_disable_interface(struct hard_iface *hard_iface)
if (hard_iface->if_status != IF_INACTIVE)
goto out;
- bat_info(hard_iface->soft_iface, "Removing interface: %s\n",
- hard_iface->net_dev->name);
+ batadv_info(hard_iface->soft_iface, "Removing interface: %s\n",
+ hard_iface->net_dev->name);
dev_remove_pack(&hard_iface->batman_adv_ptype);
bat_priv->num_ifaces--;
diff --git a/net/batman-adv/main.h b/net/batman-adv/main.h
index 28242642c3f1..b7b98177dadc 100644
--- a/net/batman-adv/main.h
+++ b/net/batman-adv/main.h
@@ -190,14 +190,14 @@ static inline void batadv_dbg(int type __always_unused,
}
#endif
-#define bat_info(net_dev, fmt, arg...) \
+#define batadv_info(net_dev, fmt, arg...) \
do { \
struct net_device *_netdev = (net_dev); \
struct bat_priv *_batpriv = netdev_priv(_netdev); \
batadv_dbg(DBG_ALL, _batpriv, fmt, ## arg); \
pr_info("%s: " fmt, _netdev->name, ## arg); \
} while (0)
-#define bat_err(net_dev, fmt, arg...) \
+#define batadv_err(net_dev, fmt, arg...) \
do { \
struct net_device *_netdev = (net_dev); \
struct bat_priv *_batpriv = netdev_priv(_netdev); \
@@ -226,10 +226,10 @@ static inline bool batadv_has_timed_out(unsigned long timestamp,
return time_is_before_jiffies(timestamp + msecs_to_jiffies(timeout));
}
-#define atomic_dec_not_zero(v) atomic_add_unless((v), -1, 0)
+#define batadv_atomic_dec_not_zero(v) atomic_add_unless((v), -1, 0)
/* Returns the smallest signed integer in two's complement with the sizeof x */
-#define smallest_signed_int(x) (1u << (7u + 8u * (sizeof(x) - 1u)))
+#define batadv_smallest_signed_int(x) (1u << (7u + 8u * (sizeof(x) - 1u)))
/* Checks if a sequence number x is a predecessor/successor of y.
* they handle overflows/underflows and can correctly check for a
@@ -241,12 +241,12 @@ static inline bool batadv_has_timed_out(unsigned long timestamp,
* - when adding 128 - it is neither a predecessor nor a successor,
* - after adding more than 127 to the starting value - it is a successor
*/
-#define seq_before(x, y) ({typeof(x) _d1 = (x); \
- typeof(y) _d2 = (y); \
- typeof(x) _dummy = (_d1 - _d2); \
- (void) (&_d1 == &_d2); \
- _dummy > smallest_signed_int(_dummy); })
-#define seq_after(x, y) seq_before(y, x)
+#define batadv_seq_before(x, y) ({typeof(x) _d1 = (x); \
+ typeof(y) _d2 = (y); \
+ typeof(x) _dummy = (_d1 - _d2); \
+ (void) (&_d1 == &_d2); \
+ _dummy > batadv_smallest_signed_int(_dummy); })
+#define batadv_seq_after(x, y) batadv_seq_before(y, x)
/* Stop preemption on local cpu while incrementing the counter */
static inline void batadv_add_counter(struct bat_priv *bat_priv, size_t idx,
diff --git a/net/batman-adv/routing.c b/net/batman-adv/routing.c
index e7ee40d6d609..1b8f67744e23 100644
--- a/net/batman-adv/routing.c
+++ b/net/batman-adv/routing.c
@@ -922,6 +922,7 @@ static int batadv_check_unicast_ttvn(struct bat_priv *bat_priv,
struct hard_iface *primary_if;
struct unicast_packet *unicast_packet;
bool tt_poss_change;
+ int is_old_ttvn;
/* I could need to modify it */
if (skb_cow(skb, sizeof(struct unicast_packet)) < 0)
@@ -945,7 +946,8 @@ static int batadv_check_unicast_ttvn(struct bat_priv *bat_priv,
}
/* Check whether I have to reroute the packet */
- if (seq_before(unicast_packet->ttvn, curr_ttvn) || tt_poss_change) {
+ is_old_ttvn = batadv_seq_before(unicast_packet->ttvn, curr_ttvn);
+ if (is_old_ttvn || tt_poss_change) {
/* check if there is enough data before accessing it */
if (pskb_may_pull(skb, sizeof(struct unicast_packet) +
ETH_HLEN) < 0)
diff --git a/net/batman-adv/send.c b/net/batman-adv/send.c
index 1842cbc280c7..3d725e0b1d90 100644
--- a/net/batman-adv/send.c
+++ b/net/batman-adv/send.c
@@ -141,7 +141,7 @@ int batadv_add_bcast_packet_to_list(struct bat_priv *bat_priv,
struct bcast_packet *bcast_packet;
struct sk_buff *newskb;
- if (!atomic_dec_not_zero(&bat_priv->bcast_queue_left)) {
+ if (!batadv_atomic_dec_not_zero(&bat_priv->bcast_queue_left)) {
batadv_dbg(DBG_BATMAN, bat_priv, "bcast packet queue full\n");
goto out;
}
diff --git a/net/batman-adv/translation-table.c b/net/batman-adv/translation-table.c
index c673b58f3ee1..074936f2d30a 100644
--- a/net/batman-adv/translation-table.c
+++ b/net/batman-adv/translation-table.c
@@ -1930,7 +1930,7 @@ static bool batadv_tt_check_roam_count(struct bat_priv *bat_priv,
ROAMING_MAX_TIME))
continue;
- if (!atomic_dec_not_zero(&tt_roam_node->counter))
+ if (!batadv_atomic_dec_not_zero(&tt_roam_node->counter))
/* Sorry, you roamed too many times! */
goto unlock;
ret = true;
@@ -2162,7 +2162,7 @@ int batadv_tt_append_diff(struct bat_priv *bat_priv,
/* if the changes have been sent often enough */
if ((tt_num_changes < 0) &&
- (!atomic_dec_not_zero(&bat_priv->tt_ogm_append_cnt))) {
+ (!batadv_atomic_dec_not_zero(&bat_priv->tt_ogm_append_cnt))) {
batadv_tt_realloc_packet_buff(packet_buff, packet_buff_len,
packet_min_len, packet_min_len);
tt_num_changes = 0;
diff --git a/net/batman-adv/vis.c b/net/batman-adv/vis.c
index 607b1015a761..6b7a1c05e45e 100644
--- a/net/batman-adv/vis.c
+++ b/net/batman-adv/vis.c
@@ -424,8 +424,8 @@ static struct vis_info *batadv_add_packet(struct bat_priv *bat_priv,
if (old_info) {
old_packet = (struct vis_packet *)old_info->skb_packet->data;
- if (!seq_after(ntohl(vis_packet->seqno),
- ntohl(old_packet->seqno))) {
+ if (!batadv_seq_after(ntohl(vis_packet->seqno),
+ ntohl(old_packet->seqno))) {
if (old_packet->seqno == vis_packet->seqno) {
batadv_recv_list_add(bat_priv,
&old_info->recv_list,
OpenPOWER on IntegriCloud