diff options
Diffstat (limited to 'net/batman-adv')
| -rw-r--r-- | net/batman-adv/bat_iv_ogm.c | 1 | ||||
| -rw-r--r-- | net/batman-adv/bat_v.c | 23 | ||||
| -rw-r--r-- | net/batman-adv/gateway_common.c | 162 | ||||
| -rw-r--r-- | net/batman-adv/gateway_common.h | 7 | ||||
| -rw-r--r-- | net/batman-adv/hard-interface.c | 20 | ||||
| -rw-r--r-- | net/batman-adv/main.h | 2 | ||||
| -rw-r--r-- | net/batman-adv/netlink.c | 15 | ||||
| -rw-r--r-- | net/batman-adv/netlink.h | 6 | ||||
| -rw-r--r-- | net/batman-adv/routing.h | 4 | ||||
| -rw-r--r-- | net/batman-adv/soft-interface.c | 2 | ||||
| -rw-r--r-- | net/batman-adv/types.h | 7 |
11 files changed, 28 insertions, 221 deletions
diff --git a/net/batman-adv/bat_iv_ogm.c b/net/batman-adv/bat_iv_ogm.c index 828fb393ee94..74b49c35ddc1 100644 --- a/net/batman-adv/bat_iv_ogm.c +++ b/net/batman-adv/bat_iv_ogm.c @@ -2516,6 +2516,7 @@ static struct batadv_algo_ops batadv_batman_iv __read_mostly = { }, .gw = { .init_sel_class = batadv_iv_init_sel_class, + .sel_class_max = BATADV_TQ_MAX_VALUE, .get_best_gw_node = batadv_iv_gw_get_best_gw_node, .is_eligible = batadv_iv_gw_is_eligible, .dump = batadv_iv_gw_dump, diff --git a/net/batman-adv/bat_v.c b/net/batman-adv/bat_v.c index 54e41fc709c3..ac11f1f08db0 100644 --- a/net/batman-adv/bat_v.c +++ b/net/batman-adv/bat_v.c @@ -14,6 +14,7 @@ #include <linux/init.h> #include <linux/jiffies.h> #include <linux/kref.h> +#include <linux/limits.h> #include <linux/list.h> #include <linux/minmax.h> #include <linux/netdevice.h> @@ -34,7 +35,6 @@ #include "bat_v_elp.h" #include "bat_v_ogm.h" #include "gateway_client.h" -#include "gateway_common.h" #include "hard-interface.h" #include "hash.h" #include "log.h" @@ -512,25 +512,6 @@ static void batadv_v_init_sel_class(struct batadv_priv *bat_priv) atomic_set(&bat_priv->gw.sel_class, 50); } -static ssize_t batadv_v_store_sel_class(struct batadv_priv *bat_priv, - char *buff, size_t count) -{ - u32 old_class, class; - - if (!batadv_parse_throughput(bat_priv->soft_iface, buff, - "B.A.T.M.A.N. V GW selection class", - &class)) - return -EINVAL; - - old_class = atomic_read(&bat_priv->gw.sel_class); - atomic_set(&bat_priv->gw.sel_class, class); - - if (old_class != class) - batadv_gw_reselect(bat_priv); - - return count; -} - /** * batadv_v_gw_throughput_get() - retrieve the GW-bandwidth for a given GW * @gw_node: the GW to retrieve the metric for @@ -818,7 +799,7 @@ static struct batadv_algo_ops batadv_batman_v __read_mostly = { }, .gw = { .init_sel_class = batadv_v_init_sel_class, - .store_sel_class = batadv_v_store_sel_class, + .sel_class_max = U32_MAX, .get_best_gw_node = batadv_v_gw_get_best_gw_node, .is_eligible = batadv_v_gw_is_eligible, .dump = batadv_v_gw_dump, diff --git a/net/batman-adv/gateway_common.c b/net/batman-adv/gateway_common.c index 6a964a773f57..2dd36ef03c84 100644 --- a/net/batman-adv/gateway_common.c +++ b/net/batman-adv/gateway_common.c @@ -9,124 +9,15 @@ #include <linux/atomic.h> #include <linux/byteorder/generic.h> -#include <linux/errno.h> -#include <linux/kstrtox.h> -#include <linux/limits.h> -#include <linux/math64.h> -#include <linux/netdevice.h> #include <linux/stddef.h> -#include <linux/string.h> +#include <linux/types.h> #include <uapi/linux/batadv_packet.h> #include <uapi/linux/batman_adv.h> #include "gateway_client.h" -#include "log.h" #include "tvlv.h" /** - * batadv_parse_throughput() - parse supplied string buffer to extract - * throughput information - * @net_dev: the soft interface net device - * @buff: string buffer to parse - * @description: text shown when throughput string cannot be parsed - * @throughput: pointer holding the returned throughput information - * - * Return: false on parse error and true otherwise. - */ -bool batadv_parse_throughput(struct net_device *net_dev, char *buff, - const char *description, u32 *throughput) -{ - enum batadv_bandwidth_units bw_unit_type = BATADV_BW_UNIT_KBIT; - u64 lthroughput; - char *tmp_ptr; - int ret; - - if (strlen(buff) > 4) { - tmp_ptr = buff + strlen(buff) - 4; - - if (strncasecmp(tmp_ptr, "mbit", 4) == 0) - bw_unit_type = BATADV_BW_UNIT_MBIT; - - if (strncasecmp(tmp_ptr, "kbit", 4) == 0 || - bw_unit_type == BATADV_BW_UNIT_MBIT) - *tmp_ptr = '\0'; - } - - ret = kstrtou64(buff, 10, <hroughput); - if (ret) { - batadv_err(net_dev, - "Invalid throughput speed for %s: %s\n", - description, buff); - return false; - } - - switch (bw_unit_type) { - case BATADV_BW_UNIT_MBIT: - /* prevent overflow */ - if (U64_MAX / 10 < lthroughput) { - batadv_err(net_dev, - "Throughput speed for %s too large: %s\n", - description, buff); - return false; - } - - lthroughput *= 10; - break; - case BATADV_BW_UNIT_KBIT: - default: - lthroughput = div_u64(lthroughput, 100); - break; - } - - if (lthroughput > U32_MAX) { - batadv_err(net_dev, - "Throughput speed for %s too large: %s\n", - description, buff); - return false; - } - - *throughput = lthroughput; - - return true; -} - -/** - * batadv_parse_gw_bandwidth() - parse supplied string buffer to extract - * download and upload bandwidth information - * @net_dev: the soft interface net device - * @buff: string buffer to parse - * @down: pointer holding the returned download bandwidth information - * @up: pointer holding the returned upload bandwidth information - * - * Return: false on parse error and true otherwise. - */ -static bool batadv_parse_gw_bandwidth(struct net_device *net_dev, char *buff, - u32 *down, u32 *up) -{ - char *slash_ptr; - bool ret; - - slash_ptr = strchr(buff, '/'); - if (slash_ptr) - *slash_ptr = 0; - - ret = batadv_parse_throughput(net_dev, buff, "download gateway speed", - down); - if (!ret) - return false; - - /* we also got some upload info */ - if (slash_ptr) { - ret = batadv_parse_throughput(net_dev, slash_ptr + 1, - "upload gateway speed", up); - if (!ret) - return false; - } - - return true; -} - -/** * batadv_gw_tvlv_container_update() - update the gw tvlv container after * gateway setting change * @bat_priv: the bat priv with all the soft interface information @@ -156,57 +47,6 @@ void batadv_gw_tvlv_container_update(struct batadv_priv *bat_priv) } /** - * batadv_gw_bandwidth_set() - Parse and set download/upload gateway bandwidth - * from supplied string buffer - * @net_dev: netdev struct of the soft interface - * @buff: the buffer containing the user data - * @count: number of bytes in the buffer - * - * Return: 'count' on success or a negative error code in case of failure - */ -ssize_t batadv_gw_bandwidth_set(struct net_device *net_dev, char *buff, - size_t count) -{ - struct batadv_priv *bat_priv = netdev_priv(net_dev); - u32 down_curr; - u32 up_curr; - u32 down_new = 0; - u32 up_new = 0; - bool ret; - - down_curr = (unsigned int)atomic_read(&bat_priv->gw.bandwidth_down); - up_curr = (unsigned int)atomic_read(&bat_priv->gw.bandwidth_up); - - ret = batadv_parse_gw_bandwidth(net_dev, buff, &down_new, &up_new); - if (!ret) - return -EINVAL; - - if (!down_new) - down_new = 1; - - if (!up_new) - up_new = down_new / 5; - - if (!up_new) - up_new = 1; - - if (down_curr == down_new && up_curr == up_new) - return count; - - batadv_gw_reselect(bat_priv); - batadv_info(net_dev, - "Changing gateway bandwidth from: '%u.%u/%u.%u MBit' to: '%u.%u/%u.%u MBit'\n", - down_curr / 10, down_curr % 10, up_curr / 10, up_curr % 10, - down_new / 10, down_new % 10, up_new / 10, up_new % 10); - - atomic_set(&bat_priv->gw.bandwidth_down, down_new); - atomic_set(&bat_priv->gw.bandwidth_up, up_new); - batadv_gw_tvlv_container_update(bat_priv); - - return count; -} - -/** * batadv_gw_tvlv_ogm_handler_v1() - process incoming gateway tvlv container * @bat_priv: the bat priv with all the soft interface information * @orig: the orig_node of the ogm diff --git a/net/batman-adv/gateway_common.h b/net/batman-adv/gateway_common.h index 87c37f907261..5d097d6a1dd9 100644 --- a/net/batman-adv/gateway_common.h +++ b/net/batman-adv/gateway_common.h @@ -9,9 +9,6 @@ #include "main.h" -#include <linux/netdevice.h> -#include <linux/types.h> - /** * enum batadv_bandwidth_units - bandwidth unit types */ @@ -27,12 +24,8 @@ enum batadv_bandwidth_units { #define BATADV_GW_MODE_CLIENT_NAME "client" #define BATADV_GW_MODE_SERVER_NAME "server" -ssize_t batadv_gw_bandwidth_set(struct net_device *net_dev, char *buff, - size_t count); void batadv_gw_tvlv_container_update(struct batadv_priv *bat_priv); void batadv_gw_init(struct batadv_priv *bat_priv); void batadv_gw_free(struct batadv_priv *bat_priv); -bool batadv_parse_throughput(struct net_device *net_dev, char *buff, - const char *description, u32 *throughput); #endif /* _NET_BATMAN_ADV_GATEWAY_COMMON_H_ */ diff --git a/net/batman-adv/hard-interface.c b/net/batman-adv/hard-interface.c index 24c9c0c3f316..96a412beab2d 100644 --- a/net/batman-adv/hard-interface.c +++ b/net/batman-adv/hard-interface.c @@ -9,6 +9,7 @@ #include <linux/atomic.h> #include <linux/byteorder/generic.h> +#include <linux/compiler.h> #include <linux/container_of.h> #include <linux/errno.h> #include <linux/gfp.h> @@ -711,9 +712,14 @@ int batadv_hardif_enable_interface(struct batadv_hard_iface *hard_iface, struct batadv_priv *bat_priv; __be16 ethertype = htons(ETH_P_BATMAN); int max_header_len = batadv_max_header_len(); + unsigned int required_mtu; + unsigned int hardif_mtu; int ret; - if (hard_iface->net_dev->mtu < ETH_MIN_MTU + max_header_len) + hardif_mtu = READ_ONCE(hard_iface->net_dev->mtu); + required_mtu = READ_ONCE(soft_iface->mtu) + max_header_len; + + if (hardif_mtu < ETH_MIN_MTU + max_header_len) return -EINVAL; if (hard_iface->if_status != BATADV_IF_NOT_IN_USE) @@ -746,18 +752,18 @@ int batadv_hardif_enable_interface(struct batadv_hard_iface *hard_iface, hard_iface->net_dev->name); if (atomic_read(&bat_priv->fragmentation) && - hard_iface->net_dev->mtu < ETH_DATA_LEN + max_header_len) + hardif_mtu < required_mtu) 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 %i would solve the problem.\n", - hard_iface->net_dev->name, hard_iface->net_dev->mtu, - ETH_DATA_LEN + max_header_len); + hard_iface->net_dev->name, hardif_mtu, + required_mtu); if (!atomic_read(&bat_priv->fragmentation) && - hard_iface->net_dev->mtu < ETH_DATA_LEN + max_header_len) + hardif_mtu < required_mtu) 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 %i.\n", - hard_iface->net_dev->name, hard_iface->net_dev->mtu, - ETH_DATA_LEN + max_header_len); + hard_iface->net_dev->name, hardif_mtu, + required_mtu); if (batadv_hardif_is_iface_up(hard_iface)) batadv_hardif_activate_interface(hard_iface); diff --git a/net/batman-adv/main.h b/net/batman-adv/main.h index 156ed39eded1..10007c5894a1 100644 --- a/net/batman-adv/main.h +++ b/net/batman-adv/main.h @@ -13,7 +13,7 @@ #define BATADV_DRIVER_DEVICE "batman-adv" #ifndef BATADV_SOURCE_VERSION -#define BATADV_SOURCE_VERSION "2023.1" +#define BATADV_SOURCE_VERSION "2023.3" #endif /* B.A.T.M.A.N. parameters */ diff --git a/net/batman-adv/netlink.c b/net/batman-adv/netlink.c index 6efbc9275aec..0c64d81a7761 100644 --- a/net/batman-adv/netlink.c +++ b/net/batman-adv/netlink.c @@ -377,7 +377,7 @@ nla_put_failure: * * Return: 0 on success, < 0 on error */ -int batadv_netlink_notify_mesh(struct batadv_priv *bat_priv) +static int batadv_netlink_notify_mesh(struct batadv_priv *bat_priv) { struct sk_buff *msg; int ret; @@ -551,15 +551,12 @@ static int batadv_netlink_set_mesh(struct sk_buff *skb, struct genl_info *info) * algorithm in use implements the GW API */ - u32 sel_class_max = 0xffffffffu; + u32 sel_class_max = bat_priv->algo_ops->gw.sel_class_max; u32 sel_class; attr = info->attrs[BATADV_ATTR_GW_SEL_CLASS]; sel_class = nla_get_u32(attr); - if (!bat_priv->algo_ops->gw.store_sel_class) - sel_class_max = BATADV_TQ_MAX_VALUE; - if (sel_class >= 1 && sel_class <= sel_class_max) { atomic_set(&bat_priv->gw.sel_class, sel_class); batadv_gw_reselect(bat_priv); @@ -861,8 +858,8 @@ nla_put_failure: * * Return: 0 on success, < 0 on error */ -int batadv_netlink_notify_hardif(struct batadv_priv *bat_priv, - struct batadv_hard_iface *hard_iface) +static int batadv_netlink_notify_hardif(struct batadv_priv *bat_priv, + struct batadv_hard_iface *hard_iface) { struct sk_buff *msg; int ret; @@ -1076,8 +1073,8 @@ nla_put_failure: * * Return: 0 on success, < 0 on error */ -int batadv_netlink_notify_vlan(struct batadv_priv *bat_priv, - struct batadv_softif_vlan *vlan) +static int batadv_netlink_notify_vlan(struct batadv_priv *bat_priv, + struct batadv_softif_vlan *vlan) { struct sk_buff *msg; int ret; diff --git a/net/batman-adv/netlink.h b/net/batman-adv/netlink.h index 48102cc7490c..876d2806a67d 100644 --- a/net/batman-adv/netlink.h +++ b/net/batman-adv/netlink.h @@ -21,12 +21,6 @@ int batadv_netlink_tpmeter_notify(struct batadv_priv *bat_priv, const u8 *dst, u8 result, u32 test_time, u64 total_bytes, u32 cookie); -int batadv_netlink_notify_mesh(struct batadv_priv *bat_priv); -int batadv_netlink_notify_hardif(struct batadv_priv *bat_priv, - struct batadv_hard_iface *hard_iface); -int batadv_netlink_notify_vlan(struct batadv_priv *bat_priv, - struct batadv_softif_vlan *vlan); - extern struct genl_family batadv_netlink_family; #endif /* _NET_BATMAN_ADV_NETLINK_H_ */ diff --git a/net/batman-adv/routing.h b/net/batman-adv/routing.h index 5f387786e9a7..afd15b3879f1 100644 --- a/net/batman-adv/routing.h +++ b/net/batman-adv/routing.h @@ -27,10 +27,6 @@ int batadv_recv_frag_packet(struct sk_buff *skb, struct batadv_hard_iface *iface); int batadv_recv_bcast_packet(struct sk_buff *skb, struct batadv_hard_iface *recv_if); -int batadv_recv_tt_query(struct sk_buff *skb, - struct batadv_hard_iface *recv_if); -int batadv_recv_roam_adv(struct sk_buff *skb, - struct batadv_hard_iface *recv_if); int batadv_recv_unicast_tvlv(struct sk_buff *skb, struct batadv_hard_iface *recv_if); int batadv_recv_unhandled_unicast_packet(struct sk_buff *skb, diff --git a/net/batman-adv/soft-interface.c b/net/batman-adv/soft-interface.c index 85d00dc9ce32..1bf1232a4f75 100644 --- a/net/batman-adv/soft-interface.c +++ b/net/batman-adv/soft-interface.c @@ -156,7 +156,7 @@ static int batadv_interface_change_mtu(struct net_device *dev, int new_mtu) struct batadv_priv *bat_priv = netdev_priv(dev); /* check ranges */ - if (new_mtu < 68 || new_mtu > batadv_hardif_min_mtu(dev)) + if (new_mtu < ETH_MIN_MTU || new_mtu > batadv_hardif_min_mtu(dev)) return -EINVAL; dev->mtu = new_mtu; diff --git a/net/batman-adv/types.h b/net/batman-adv/types.h index cf1a0eafe3ab..17d5ea1d8e84 100644 --- a/net/batman-adv/types.h +++ b/net/batman-adv/types.h @@ -2197,11 +2197,10 @@ struct batadv_algo_gw_ops { void (*init_sel_class)(struct batadv_priv *bat_priv); /** - * @store_sel_class: parse and stores a new GW selection class - * (optional) + * @sel_class_max: maximum allowed GW selection class */ - ssize_t (*store_sel_class)(struct batadv_priv *bat_priv, char *buff, - size_t count); + u32 sel_class_max; + /** * @get_best_gw_node: select the best GW from the list of available * nodes (optional) |