commits July 2016

commits@lists.open-mesh.org

1 participants
109 discussions

[batman-adv] master: batman-adv: Indicate netlink socket can be used with netns. (5f4c6eb)
by postmaster＠open-mesh.org 19 Jul '16

19 Jul '16

Repository : ssh://git@open-mesh.org/batman-adv On branch : master >--------------------------------------------------------------- commit 5f4c6eb1bfe04b84084e4d7befc13e50ea2374c0 Author: Andrew Lunn <andrew(a)lunn.ch> Date: Sun Jul 3 13:31:48 2016 +0200 batman-adv: Indicate netlink socket can be used with netns. Set the netnsof flag on the family structure, indicating it can be used with different network name spaces. Signed-off-by: Andrew Lunn <andrew(a)lunn.ch> Signed-off-by: Simon Wunderlich <sw(a)simonwunderlich.de> Signed-off-by: Sven Eckelmann <sven(a)narfation.org> Signed-off-by: Marek Lindner <mareklindner(a)neomailbox.ch> >--------------------------------------------------------------- 5f4c6eb1bfe04b84084e4d7befc13e50ea2374c0 net/batman-adv/netlink.c | 1 + 1 file changed, 1 insertion(+) diff --git a/net/batman-adv/netlink.c b/net/batman-adv/netlink.c index c3f6816..18831e7 100644 --- a/net/batman-adv/netlink.c +++ b/net/batman-adv/netlink.c @@ -54,6 +54,7 @@ struct genl_family batadv_netlink_family = { .name = BATADV_NL_NAME, .version = 1, .maxattr = BATADV_ATTR_MAX, + .netnsok = true, }; /* multicast groups */

1 0

[batctl] master: batctl: add backbone table netlink support (b2234ee)
by postmaster＠open-mesh.org 19 Jul '16

19 Jul '16

Repository : ssh://git@open-mesh.org/batctl On branch : master >--------------------------------------------------------------- commit b2234ee676f5f6056c25806f550e7dcf9cb001b5 Author: Simon Wunderlich <sw(a)simonwunderlich.de> Date: Sun Jul 3 13:31:47 2016 +0200 batctl: add backbone table netlink support Dump the list of bridge loop avoidance backbones via the netlink socket. Signed-off-by: Simon Wunderlich <sw(a)simonwunderlich.de> Signed-off-by: Sven Eckelmann <sven(a)narfation.org> Signed-off-by: Marek Lindner <mareklindner(a)neomailbox.ch> >--------------------------------------------------------------- b2234ee676f5f6056c25806f550e7dcf9cb001b5 batman_adv.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/batman_adv.h b/batman_adv.h index 96b37ab..734fe83 100644 --- a/batman_adv.h +++ b/batman_adv.h @@ -157,6 +157,7 @@ enum batadv_nl_attrs { * @BATADV_CMD_GET_NEIGHBORS: Query list of neighbours * @BATADV_CMD_GET_GATEWAYS: Query list of gateways * @BATADV_CMD_GET_BLA_CLAIM: Query list of bridge loop avoidance claims + * @BATADV_CMD_GET_BLA_BACKBONE: Query list of bridge loop avoidance backbones * @__BATADV_CMD_AFTER_LAST: internal use * @BATADV_CMD_MAX: highest used command number */ @@ -173,6 +174,7 @@ enum batadv_nl_commands { BATADV_CMD_GET_NEIGHBORS, BATADV_CMD_GET_GATEWAYS, BATADV_CMD_GET_BLA_CLAIM, + BATADV_CMD_GET_BLA_BACKBONE, /* add new commands above here */ __BATADV_CMD_AFTER_LAST, BATADV_CMD_MAX = __BATADV_CMD_AFTER_LAST - 1

1 0

[batman-adv] master: batman-adv: add backbone table netlink support (7f609ca)
by postmaster＠open-mesh.org 19 Jul '16

19 Jul '16

Repository : ssh://git@open-mesh.org/batman-adv On branch : master >--------------------------------------------------------------- commit 7f609cab5123c1ed342f11735df20bcc2aeb24d4 Author: Simon Wunderlich <sw(a)simonwunderlich.de> Date: Sun Jul 3 13:31:47 2016 +0200 batman-adv: add backbone table netlink support Dump the list of bridge loop avoidance backbones via the netlink socket. Signed-off-by: Simon Wunderlich <sw(a)simonwunderlich.de> Signed-off-by: Sven Eckelmann <sven(a)narfation.org> Signed-off-by: Marek Lindner <mareklindner(a)neomailbox.ch> >--------------------------------------------------------------- 7f609cab5123c1ed342f11735df20bcc2aeb24d4 include/uapi/linux/batman_adv.h | 2 + net/batman-adv/bridge_loop_avoidance.c | 164 +++++++++++++++++++++++++++++++++ net/batman-adv/bridge_loop_avoidance.h | 7 ++ net/batman-adv/netlink.c | 7 ++ 4 files changed, 180 insertions(+) diff --git a/include/uapi/linux/batman_adv.h b/include/uapi/linux/batman_adv.h index 96b37ab..734fe83 100644 --- a/include/uapi/linux/batman_adv.h +++ b/include/uapi/linux/batman_adv.h @@ -157,6 +157,7 @@ enum batadv_nl_attrs { * @BATADV_CMD_GET_NEIGHBORS: Query list of neighbours * @BATADV_CMD_GET_GATEWAYS: Query list of gateways * @BATADV_CMD_GET_BLA_CLAIM: Query list of bridge loop avoidance claims + * @BATADV_CMD_GET_BLA_BACKBONE: Query list of bridge loop avoidance backbones * @__BATADV_CMD_AFTER_LAST: internal use * @BATADV_CMD_MAX: highest used command number */ @@ -173,6 +174,7 @@ enum batadv_nl_commands { BATADV_CMD_GET_NEIGHBORS, BATADV_CMD_GET_GATEWAYS, BATADV_CMD_GET_BLA_CLAIM, + BATADV_CMD_GET_BLA_BACKBONE, /* add new commands above here */ __BATADV_CMD_AFTER_LAST, BATADV_CMD_MAX = __BATADV_CMD_AFTER_LAST - 1 diff --git a/net/batman-adv/bridge_loop_avoidance.c b/net/batman-adv/bridge_loop_avoidance.c index aafa88f..35ed1d3 100644 --- a/net/batman-adv/bridge_loop_avoidance.c +++ b/net/batman-adv/bridge_loop_avoidance.c @@ -2283,3 +2283,167 @@ out: batadv_hardif_put(primary_if); return 0; } + +/** + * batadv_bla_backbone_dump_entry - dump one entry of the backbone table + * to a netlink socket + * @msg: buffer for the message + * @portid: netlink port + * @seq: Sequence number of netlink message + * @primary_if: primary interface + * @backbone_gw: entry to dump + * + * Return: 0 or error code. + */ +static int +batadv_bla_backbone_dump_entry(struct sk_buff *msg, u32 portid, u32 seq, + struct batadv_hard_iface *primary_if, + struct batadv_bla_backbone_gw *backbone_gw) +{ + u8 *primary_addr = primary_if->net_dev->dev_addr; + u16 backbone_crc; + bool is_own; + int msecs; + void *hdr; + int ret = -EINVAL; + + hdr = genlmsg_put(msg, portid, seq, &batadv_netlink_family, + NLM_F_MULTI, BATADV_CMD_GET_BLA_BACKBONE); + if (!hdr) { + ret = -ENOBUFS; + goto out; + } + + is_own = batadv_compare_eth(backbone_gw->orig, primary_addr); + + spin_lock_bh(&backbone_gw->crc_lock); + backbone_crc = backbone_gw->crc; + spin_unlock_bh(&backbone_gw->crc_lock); + + msecs = jiffies_to_msecs(jiffies - backbone_gw->lasttime); + + if (is_own) + if (nla_put_flag(msg, BATADV_ATTR_BLA_OWN)) { + genlmsg_cancel(msg, hdr); + goto out; + } + + if (nla_put(msg, BATADV_ATTR_BLA_BACKBONE, ETH_ALEN, + backbone_gw->orig) || + nla_put_u16(msg, BATADV_ATTR_BLA_VID, backbone_gw->vid) || + nla_put_u16(msg, BATADV_ATTR_BLA_CRC, + backbone_crc) || + nla_put_u32(msg, BATADV_ATTR_LAST_SEEN_MSECS, msecs)) { + genlmsg_cancel(msg, hdr); + goto out; + } + + genlmsg_end(msg, hdr); + ret = 0; + +out: + return ret; +} + +/** + * batadv_bla_backbone_dump_bucket - dump one bucket of the backbone table + * to a netlink socket + * @msg: buffer for the message + * @portid: netlink port + * @seq: Sequence number of netlink message + * @primary_if: primary interface + * @head: bucket to dump + * @idx_skip: How many entries to skip + * + * Return: always 0. + */ +static int +batadv_bla_backbone_dump_bucket(struct sk_buff *msg, u32 portid, u32 seq, + struct batadv_hard_iface *primary_if, + struct hlist_head *head, int *idx_skip) +{ + struct batadv_bla_backbone_gw *backbone_gw; + int idx = 0; + + rcu_read_lock(); + hlist_for_each_entry_rcu(backbone_gw, head, hash_entry) { + if (idx++ < *idx_skip) + continue; + if (batadv_bla_backbone_dump_entry(msg, portid, seq, + primary_if, backbone_gw)) { + *idx_skip = idx - 1; + goto unlock; + } + } + + *idx_skip = idx; +unlock: + rcu_read_unlock(); + return 0; +} + +/** + * batadv_bla_backbone_dump - dump backbone table to a netlink socket + * @msg: buffer for the message + * @cb: callback structure containing arguments + * + * Return: message length. + */ +int batadv_bla_backbone_dump(struct sk_buff *msg, struct netlink_callback *cb) +{ + struct batadv_hard_iface *primary_if = NULL; + int portid = NETLINK_CB(cb->skb).portid; + struct net *net = sock_net(cb->skb->sk); + struct net_device *soft_iface; + struct batadv_hashtable *hash; + struct batadv_priv *bat_priv; + int bucket = cb->args[0]; + struct hlist_head *head; + int idx = cb->args[1]; + int ifindex; + int ret = 0; + + ifindex = batadv_netlink_get_ifindex(cb->nlh, + BATADV_ATTR_MESH_IFINDEX); + if (!ifindex) + return -EINVAL; + + soft_iface = dev_get_by_index(net, ifindex); + if (!soft_iface || !batadv_softif_is_valid(soft_iface)) { + ret = -ENODEV; + goto out; + } + + bat_priv = netdev_priv(soft_iface); + hash = bat_priv->bla.backbone_hash; + + primary_if = batadv_primary_if_get_selected(bat_priv); + if (!primary_if || primary_if->if_status != BATADV_IF_ACTIVE) { + ret = -ENOENT; + goto out; + } + + while (bucket < hash->size) { + head = &hash->table[bucket]; + + if (batadv_bla_backbone_dump_bucket(msg, portid, + cb->nlh->nlmsg_seq, + primary_if, head, &idx)) + break; + bucket++; + } + + cb->args[0] = bucket; + cb->args[1] = idx; + + ret = msg->len; + +out: + if (primary_if) + batadv_hardif_put(primary_if); + + if (soft_iface) + dev_put(soft_iface); + + return ret; +} diff --git a/net/batman-adv/bridge_loop_avoidance.h b/net/batman-adv/bridge_loop_avoidance.h index a80b9e9..1ae93e4 100644 --- a/net/batman-adv/bridge_loop_avoidance.h +++ b/net/batman-adv/bridge_loop_avoidance.h @@ -39,6 +39,7 @@ int batadv_bla_claim_table_seq_print_text(struct seq_file *seq, void *offset); int batadv_bla_claim_dump(struct sk_buff *msg, struct netlink_callback *cb); int batadv_bla_backbone_table_seq_print_text(struct seq_file *seq, void *offset); +int batadv_bla_backbone_dump(struct sk_buff *msg, struct netlink_callback *cb); bool batadv_bla_is_backbone_gw_orig(struct batadv_priv *bat_priv, u8 *orig, unsigned short vid); bool batadv_bla_check_bcast_duplist(struct batadv_priv *bat_priv, @@ -120,6 +121,12 @@ static inline int batadv_bla_claim_dump(struct sk_buff *msg, return -EOPNOTSUPP; } +static inline int batadv_bla_backbone_dump(struct sk_buff *msg, + struct netlink_callback *cb) +{ + return -EOPNOTSUPP; +} + #endif /* ifdef CONFIG_BATMAN_ADV_BLA */ #endif /* ifndef _NET_BATMAN_ADV_BLA_H_ */ diff --git a/net/batman-adv/netlink.c b/net/batman-adv/netlink.c index 464de9d..c3f6816 100644 --- a/net/batman-adv/netlink.c +++ b/net/batman-adv/netlink.c @@ -600,6 +600,13 @@ static struct genl_ops batadv_netlink_ops[] = { .policy = batadv_netlink_policy, .dumpit = batadv_bla_claim_dump, }, + { + .cmd = BATADV_CMD_GET_BLA_BACKBONE, + .flags = GENL_ADMIN_PERM, + .policy = batadv_netlink_policy, + .dumpit = batadv_bla_backbone_dump, + }, + }; /**

1 0

[batman-adv] master: batman-adv: Provide bla group in the mesh_info netlink msg (28489de)
by postmaster＠open-mesh.org 19 Jul '16

19 Jul '16

Repository : ssh://git@open-mesh.org/batman-adv On branch : master >--------------------------------------------------------------- commit 28489dedd7edfe47d689f75d4e3f4d35d79b5b1a Author: Sven Eckelmann <sven(a)narfation.org> Date: Sun Jul 3 13:31:46 2016 +0200 batman-adv: Provide bla group in the mesh_info netlink msg The bridge loop avoidange is the main information for the debugging of of bridge loop detection problems. It is therefore necessary when comparing the bla claim tables. Signed-off-by: Sven Eckelmann <sven(a)narfation.org> Signed-off-by: Simon Wunderlich <sw(a)simonwunderlich.de> Signed-off-by: Marek Lindner <mareklindner(a)neomailbox.ch> >--------------------------------------------------------------- 28489dedd7edfe47d689f75d4e3f4d35d79b5b1a net/batman-adv/netlink.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/net/batman-adv/netlink.c b/net/batman-adv/netlink.c index b33675c..464de9d 100644 --- a/net/batman-adv/netlink.c +++ b/net/batman-adv/netlink.c @@ -19,6 +19,7 @@ #include "main.h" #include <linux/atomic.h> +#include <linux/byteorder/generic.h> #include <linux/errno.h> #include <linux/fs.h> #include <linux/genetlink.h> @@ -42,6 +43,7 @@ #include "gateway_client.h" #include "hard-interface.h" #include "originator.h" +#include "packet.h" #include "soft-interface.h" #include "tp_meter.h" #include "translation-table.h" @@ -141,6 +143,12 @@ batadv_netlink_mesh_info_put(struct sk_buff *msg, struct net_device *soft_iface) (u8)atomic_read(&bat_priv->tt.vn))) goto out; +#ifdef CONFIG_BATMAN_ADV_BLA + if (nla_put_u16(msg, BATADV_ATTR_BLA_CRC, + ntohs(bat_priv->bla.claim_dest.group))) + goto out; +#endif + primary_if = batadv_primary_if_get_selected(bat_priv); if (primary_if && primary_if->if_status == BATADV_IF_ACTIVE) { hard_iface = primary_if->net_dev;

1 0

[batctl] master: batctl: add B.A.T.M.A.N. Dump BLA claims via netlink (b8c4da0)
by postmaster＠open-mesh.org 19 Jul '16

19 Jul '16

Repository : ssh://git@open-mesh.org/batctl On branch : master >--------------------------------------------------------------- commit b8c4da036c59c4af5a5bb9da6b272df7d332c709 Author: Andrew Lunn <andrew(a)lunn.ch> Date: Sun Jul 3 13:31:45 2016 +0200 batctl: add B.A.T.M.A.N. Dump BLA claims via netlink Dump the list of bridge loop avoidance claims via the netlink socket. Signed-off-by: Andrew Lunn <andrew(a)lunn.ch> [sven.eckelmann(a)open-mesh.com: add policy for attributes, fix includes, fix soft_iface reference leak] Signed-off-by: Sven Eckelmann <sven.eckelmann(a)open-mesh.com> [sw(a)simonwunderlich.de: fix kerneldoc, fix error reporting] Signed-off-by: Simon Wunderlich <sw(a)simonwunderlich.de> Signed-off-by: Marek Lindner <mareklindner(a)neomailbox.ch> >--------------------------------------------------------------- b8c4da036c59c4af5a5bb9da6b272df7d332c709 batman_adv.h | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/batman_adv.h b/batman_adv.h index a13fc09..96b37ab 100644 --- a/batman_adv.h +++ b/batman_adv.h @@ -91,6 +91,11 @@ enum batadv_tt_client_flags { * @BATADV_ATTR_BANDWIDTH_UP: Reported uplink bandwidth * @BATADV_ATTR_BANDWIDTH_DOWN: Reported downlink bandwidth * @BATADV_ATTR_ROUTER: Gateway router MAC address + * @BATADV_ATTR_BLA_OWN: Flag indicating own originator + * @BATADV_ATTR_BLA_ADDRESS: Bridge loop avoidance claim MAC address + * @BATADV_ATTR_BLA_VID: BLA VLAN ID + * @BATADV_ATTR_BLA_BACKBONE: BLA gateway originator MAC address + * @BATADV_ATTR_BLA_CRC: BLA CRC * @__BATADV_ATTR_AFTER_LAST: internal use * @NUM_BATADV_ATTR: total number of batadv_nl_attrs available * @BATADV_ATTR_MAX: highest attribute number currently defined @@ -126,6 +131,11 @@ enum batadv_nl_attrs { BATADV_ATTR_BANDWIDTH_UP, BATADV_ATTR_BANDWIDTH_DOWN, BATADV_ATTR_ROUTER, + BATADV_ATTR_BLA_OWN, + BATADV_ATTR_BLA_ADDRESS, + BATADV_ATTR_BLA_VID, + BATADV_ATTR_BLA_BACKBONE, + BATADV_ATTR_BLA_CRC, /* add attributes above here, update the policy in netlink.c */ __BATADV_ATTR_AFTER_LAST, NUM_BATADV_ATTR = __BATADV_ATTR_AFTER_LAST, @@ -146,6 +156,7 @@ enum batadv_nl_attrs { * @BATADV_CMD_GET_ORIGINATORS: Query list of originators * @BATADV_CMD_GET_NEIGHBORS: Query list of neighbours * @BATADV_CMD_GET_GATEWAYS: Query list of gateways + * @BATADV_CMD_GET_BLA_CLAIM: Query list of bridge loop avoidance claims * @__BATADV_CMD_AFTER_LAST: internal use * @BATADV_CMD_MAX: highest used command number */ @@ -161,6 +172,7 @@ enum batadv_nl_commands { BATADV_CMD_GET_ORIGINATORS, BATADV_CMD_GET_NEIGHBORS, BATADV_CMD_GET_GATEWAYS, + BATADV_CMD_GET_BLA_CLAIM, /* add new commands above here */ __BATADV_CMD_AFTER_LAST, BATADV_CMD_MAX = __BATADV_CMD_AFTER_LAST - 1

1 0

[batman-adv] master: batman-adv: add B.A.T.M.A.N. Dump BLA claims via netlink (3b7a636)
by postmaster＠open-mesh.org 19 Jul '16

19 Jul '16

Repository : ssh://git@open-mesh.org/batman-adv On branch : master >--------------------------------------------------------------- commit 3b7a636060205a97fac5469ab6ab701ee30eb52b Author: Andrew Lunn <andrew(a)lunn.ch> Date: Sun Jul 3 13:31:45 2016 +0200 batman-adv: add B.A.T.M.A.N. Dump BLA claims via netlink Dump the list of bridge loop avoidance claims via the netlink socket. Signed-off-by: Andrew Lunn <andrew(a)lunn.ch> [sven.eckelmann(a)open-mesh.com: add policy for attributes, fix includes, fix soft_iface reference leak] Signed-off-by: Sven Eckelmann <sven.eckelmann(a)open-mesh.com> [sw(a)simonwunderlich.de: fix kerneldoc, fix error reporting] Signed-off-by: Simon Wunderlich <sw(a)simonwunderlich.de> Signed-off-by: Marek Lindner <mareklindner(a)neomailbox.ch> >--------------------------------------------------------------- 3b7a636060205a97fac5469ab6ab701ee30eb52b include/uapi/linux/batman_adv.h | 12 +++ net/batman-adv/bridge_loop_avoidance.c | 169 +++++++++++++++++++++++++++++++++ net/batman-adv/bridge_loop_avoidance.h | 10 +- net/batman-adv/netlink.c | 12 +++ 4 files changed, 202 insertions(+), 1 deletion(-) diff --git a/include/uapi/linux/batman_adv.h b/include/uapi/linux/batman_adv.h index a13fc09..96b37ab 100644 --- a/include/uapi/linux/batman_adv.h +++ b/include/uapi/linux/batman_adv.h @@ -91,6 +91,11 @@ enum batadv_tt_client_flags { * @BATADV_ATTR_BANDWIDTH_UP: Reported uplink bandwidth * @BATADV_ATTR_BANDWIDTH_DOWN: Reported downlink bandwidth * @BATADV_ATTR_ROUTER: Gateway router MAC address + * @BATADV_ATTR_BLA_OWN: Flag indicating own originator + * @BATADV_ATTR_BLA_ADDRESS: Bridge loop avoidance claim MAC address + * @BATADV_ATTR_BLA_VID: BLA VLAN ID + * @BATADV_ATTR_BLA_BACKBONE: BLA gateway originator MAC address + * @BATADV_ATTR_BLA_CRC: BLA CRC * @__BATADV_ATTR_AFTER_LAST: internal use * @NUM_BATADV_ATTR: total number of batadv_nl_attrs available * @BATADV_ATTR_MAX: highest attribute number currently defined @@ -126,6 +131,11 @@ enum batadv_nl_attrs { BATADV_ATTR_BANDWIDTH_UP, BATADV_ATTR_BANDWIDTH_DOWN, BATADV_ATTR_ROUTER, + BATADV_ATTR_BLA_OWN, + BATADV_ATTR_BLA_ADDRESS, + BATADV_ATTR_BLA_VID, + BATADV_ATTR_BLA_BACKBONE, + BATADV_ATTR_BLA_CRC, /* add attributes above here, update the policy in netlink.c */ __BATADV_ATTR_AFTER_LAST, NUM_BATADV_ATTR = __BATADV_ATTR_AFTER_LAST, @@ -146,6 +156,7 @@ enum batadv_nl_attrs { * @BATADV_CMD_GET_ORIGINATORS: Query list of originators * @BATADV_CMD_GET_NEIGHBORS: Query list of neighbours * @BATADV_CMD_GET_GATEWAYS: Query list of gateways + * @BATADV_CMD_GET_BLA_CLAIM: Query list of bridge loop avoidance claims * @__BATADV_CMD_AFTER_LAST: internal use * @BATADV_CMD_MAX: highest used command number */ @@ -161,6 +172,7 @@ enum batadv_nl_commands { BATADV_CMD_GET_ORIGINATORS, BATADV_CMD_GET_NEIGHBORS, BATADV_CMD_GET_GATEWAYS, + BATADV_CMD_GET_BLA_CLAIM, /* add new commands above here */ __BATADV_CMD_AFTER_LAST, BATADV_CMD_MAX = __BATADV_CMD_AFTER_LAST - 1 diff --git a/net/batman-adv/bridge_loop_avoidance.c b/net/batman-adv/bridge_loop_avoidance.c index c75ef64..aafa88f 100644 --- a/net/batman-adv/bridge_loop_avoidance.c +++ b/net/batman-adv/bridge_loop_avoidance.c @@ -35,6 +35,7 @@ #include <linux/list.h> #include <linux/lockdep.h> #include <linux/netdevice.h> +#include <linux/netlink.h> #include <linux/rculist.h> #include <linux/rcupdate.h> #include <linux/seq_file.h> @@ -45,12 +46,18 @@ #include <linux/string.h> #include <linux/workqueue.h> #include <net/arp.h> +#include <net/genetlink.h> +#include <net/netlink.h> +#include <net/sock.h> +#include <uapi/linux/batman_adv.h> #include "hard-interface.h" #include "hash.h" #include "log.h" +#include "netlink.h" #include "originator.h" #include "packet.h" +#include "soft-interface.h" #include "sysfs.h" #include "translation-table.h" @@ -2052,6 +2059,168 @@ out: } /** + * batadv_bla_claim_dump_entry - dump one entry of the claim table + * to a netlink socket + * @msg: buffer for the message + * @portid: netlink port + * @seq: Sequence number of netlink message + * @primary_if: primary interface + * @claim: entry to dump + * + * Return: 0 or error code. + */ +static int +batadv_bla_claim_dump_entry(struct sk_buff *msg, u32 portid, u32 seq, + struct batadv_hard_iface *primary_if, + struct batadv_bla_claim *claim) +{ + u8 *primary_addr = primary_if->net_dev->dev_addr; + u16 backbone_crc; + bool is_own; + void *hdr; + int ret = -EINVAL; + + hdr = genlmsg_put(msg, portid, seq, &batadv_netlink_family, + NLM_F_MULTI, BATADV_CMD_GET_BLA_CLAIM); + if (!hdr) { + ret = -ENOBUFS; + goto out; + } + + is_own = batadv_compare_eth(claim->backbone_gw->orig, + primary_addr); + + spin_lock_bh(&claim->backbone_gw->crc_lock); + backbone_crc = claim->backbone_gw->crc; + spin_unlock_bh(&claim->backbone_gw->crc_lock); + + if (is_own) + if (nla_put_flag(msg, BATADV_ATTR_BLA_OWN)) { + genlmsg_cancel(msg, hdr); + goto out; + } + + if (nla_put(msg, BATADV_ATTR_BLA_ADDRESS, ETH_ALEN, claim->addr) || + nla_put_u16(msg, BATADV_ATTR_BLA_VID, claim->vid) || + nla_put(msg, BATADV_ATTR_BLA_BACKBONE, ETH_ALEN, + claim->backbone_gw->orig) || + nla_put_u16(msg, BATADV_ATTR_BLA_CRC, + backbone_crc)) { + genlmsg_cancel(msg, hdr); + goto out; + } + + genlmsg_end(msg, hdr); + ret = 0; + +out: + return ret; +} + +/** + * batadv_bla_claim_dump_bucket - dump one bucket of the claim table + * to a netlink socket + * @msg: buffer for the message + * @portid: netlink port + * @seq: Sequence number of netlink message + * @primary_if: primary interface + * @head: bucket to dump + * @idx_skip: How many entries to skip + * + * Return: always 0. + */ +static int +batadv_bla_claim_dump_bucket(struct sk_buff *msg, u32 portid, u32 seq, + struct batadv_hard_iface *primary_if, + struct hlist_head *head, int *idx_skip) +{ + struct batadv_bla_claim *claim; + int idx = 0; + + rcu_read_lock(); + hlist_for_each_entry_rcu(claim, head, hash_entry) { + if (idx++ < *idx_skip) + continue; + if (batadv_bla_claim_dump_entry(msg, portid, seq, + primary_if, claim)) { + *idx_skip = idx - 1; + goto unlock; + } + } + + *idx_skip = idx; +unlock: + rcu_read_unlock(); + return 0; +} + +/** + * batadv_bla_claim_dump - dump claim table to a netlink socket + * @msg: buffer for the message + * @cb: callback structure containing arguments + * + * Return: message length. + */ +int batadv_bla_claim_dump(struct sk_buff *msg, struct netlink_callback *cb) +{ + struct batadv_hard_iface *primary_if = NULL; + int portid = NETLINK_CB(cb->skb).portid; + struct net *net = sock_net(cb->skb->sk); + struct net_device *soft_iface; + struct batadv_hashtable *hash; + struct batadv_priv *bat_priv; + int bucket = cb->args[0]; + struct hlist_head *head; + int idx = cb->args[1]; + int ifindex; + int ret = 0; + + ifindex = batadv_netlink_get_ifindex(cb->nlh, + BATADV_ATTR_MESH_IFINDEX); + if (!ifindex) + return -EINVAL; + + soft_iface = dev_get_by_index(net, ifindex); + if (!soft_iface || !batadv_softif_is_valid(soft_iface)) { + ret = -ENODEV; + goto out; + } + + bat_priv = netdev_priv(soft_iface); + hash = bat_priv->bla.claim_hash; + + primary_if = batadv_primary_if_get_selected(bat_priv); + if (!primary_if || primary_if->if_status != BATADV_IF_ACTIVE) { + ret = -ENOENT; + goto out; + } + + while (bucket < hash->size) { + head = &hash->table[bucket]; + + if (batadv_bla_claim_dump_bucket(msg, portid, + cb->nlh->nlmsg_seq, + primary_if, head, &idx)) + break; + bucket++; + } + + cb->args[0] = bucket; + cb->args[1] = idx; + + ret = msg->len; + +out: + if (primary_if) + batadv_hardif_put(primary_if); + + if (soft_iface) + dev_put(soft_iface); + + return ret; +} + +/** * batadv_bla_backbone_table_seq_print_text - print the backbone table in a seq * file * @seq: seq file to print on diff --git a/net/batman-adv/bridge_loop_avoidance.h b/net/batman-adv/bridge_loop_avoidance.h index 0f01dae..a80b9e9 100644 --- a/net/batman-adv/bridge_loop_avoidance.h +++ b/net/batman-adv/bridge_loop_avoidance.h @@ -23,6 +23,7 @@ #include <linux/types.h> struct net_device; +struct netlink_callback; struct seq_file; struct sk_buff; @@ -35,6 +36,7 @@ bool batadv_bla_is_backbone_gw(struct sk_buff *skb, struct batadv_orig_node *orig_node, int hdr_size); int batadv_bla_claim_table_seq_print_text(struct seq_file *seq, void *offset); +int batadv_bla_claim_dump(struct sk_buff *msg, struct netlink_callback *cb); int batadv_bla_backbone_table_seq_print_text(struct seq_file *seq, void *offset); bool batadv_bla_is_backbone_gw_orig(struct batadv_priv *bat_priv, u8 *orig, @@ -47,7 +49,7 @@ void batadv_bla_update_orig_address(struct batadv_priv *bat_priv, void batadv_bla_status_update(struct net_device *net_dev); int batadv_bla_init(struct batadv_priv *bat_priv); void batadv_bla_free(struct batadv_priv *bat_priv); - +int batadv_bla_claim_dump(struct sk_buff *msg, struct netlink_callback *cb); #define BATADV_BLA_CRC_INIT 0 #else /* ifdef CONFIG_BATMAN_ADV_BLA */ @@ -112,6 +114,12 @@ static inline void batadv_bla_free(struct batadv_priv *bat_priv) { } +static inline int batadv_bla_claim_dump(struct sk_buff *msg, + struct netlink_callback *cb) +{ + return -EOPNOTSUPP; +} + #endif /* ifdef CONFIG_BATMAN_ADV_BLA */ #endif /* ifndef _NET_BATMAN_ADV_BLA_H_ */ diff --git a/net/batman-adv/netlink.c b/net/batman-adv/netlink.c index c68ccb0..b33675c 100644 --- a/net/batman-adv/netlink.c +++ b/net/batman-adv/netlink.c @@ -38,6 +38,7 @@ #include <uapi/linux/batman_adv.h> #include "bat_algo.h" +#include "bridge_loop_avoidance.h" #include "gateway_client.h" #include "hard-interface.h" #include "originator.h" @@ -91,6 +92,11 @@ static struct nla_policy batadv_netlink_policy[NUM_BATADV_ATTR] = { [BATADV_ATTR_BANDWIDTH_UP] = { .type = NLA_U32 }, [BATADV_ATTR_BANDWIDTH_DOWN] = { .type = NLA_U32 }, [BATADV_ATTR_ROUTER] = { .len = ETH_ALEN }, + [BATADV_ATTR_BLA_OWN] = { .type = NLA_FLAG }, + [BATADV_ATTR_BLA_ADDRESS] = { .len = ETH_ALEN }, + [BATADV_ATTR_BLA_VID] = { .type = NLA_U16 }, + [BATADV_ATTR_BLA_BACKBONE] = { .len = ETH_ALEN }, + [BATADV_ATTR_BLA_CRC] = { .type = NLA_U16 }, }; /** @@ -580,6 +586,12 @@ static struct genl_ops batadv_netlink_ops[] = { .policy = batadv_netlink_policy, .dumpit = batadv_gw_dump, }, + { + .cmd = BATADV_CMD_GET_BLA_CLAIM, + .flags = GENL_ADMIN_PERM, + .policy = batadv_netlink_policy, + .dumpit = batadv_bla_claim_dump, + }, }; /**

1 0

[batman-adv] master: batman-adv: add B.A.T.M.A.N. V bat_gw_dump implementations (15315a9)
by postmaster＠open-mesh.org 19 Jul '16

19 Jul '16

Repository : ssh://git@open-mesh.org/batman-adv On branch : master >--------------------------------------------------------------- commit 15315a94ad98af583d207daaaf3f0bcda6c4573d Author: Sven Eckelmann <sven(a)narfation.org> Date: Sun Jul 3 13:31:44 2016 +0200 batman-adv: add B.A.T.M.A.N. V bat_gw_dump implementations Signed-off-by: Sven Eckelmann <sven(a)narfation.org> Signed-off-by: Marek Lindner <mareklindner(a)neomailbox.ch> >--------------------------------------------------------------- 15315a94ad98af583d207daaaf3f0bcda6c4573d net/batman-adv/bat_v.c | 125 +++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 125 insertions(+) diff --git a/net/batman-adv/bat_v.c b/net/batman-adv/bat_v.c index 9dccfaf..9e872dc 100644 --- a/net/batman-adv/bat_v.c +++ b/net/batman-adv/bat_v.c @@ -897,6 +897,130 @@ static void batadv_v_gw_print(struct batadv_priv *bat_priv, seq_puts(seq, "No gateways in range ...\n"); } +/** + * batadv_v_gw_dump_entry - Dump a gateway into a message + * @msg: Netlink message to dump into + * @portid: Port making netlink request + * @seq: Sequence number of netlink message + * @bat_priv: The bat priv with all the soft interface information + * @gw_node: Gateway to be dumped + * + * Return: Error code, or 0 on success + */ +static int batadv_v_gw_dump_entry(struct sk_buff *msg, u32 portid, u32 seq, + struct batadv_priv *bat_priv, + struct batadv_gw_node *gw_node) +{ + struct batadv_neigh_ifinfo *router_ifinfo = NULL; + struct batadv_neigh_node *router; + struct batadv_gw_node *curr_gw; + int ret = -EINVAL; + void *hdr; + + router = batadv_orig_router_get(gw_node->orig_node, BATADV_IF_DEFAULT); + if (!router) + goto out; + + router_ifinfo = batadv_neigh_ifinfo_get(router, BATADV_IF_DEFAULT); + if (!router_ifinfo) + goto out; + + curr_gw = batadv_gw_get_selected_gw_node(bat_priv); + + hdr = genlmsg_put(msg, portid, seq, &batadv_netlink_family, + NLM_F_MULTI, BATADV_CMD_GET_GATEWAYS); + if (!hdr) { + ret = -ENOBUFS; + goto out; + } + + ret = -EMSGSIZE; + + if (curr_gw == gw_node) { + if (nla_put_flag(msg, BATADV_ATTR_FLAG_BEST)) { + genlmsg_cancel(msg, hdr); + goto out; + } + } + + if (nla_put(msg, BATADV_ATTR_ORIG_ADDRESS, ETH_ALEN, + gw_node->orig_node->orig)) { + genlmsg_cancel(msg, hdr); + goto out; + } + + if (nla_put_u32(msg, BATADV_ATTR_THROUGHPUT, + router_ifinfo->bat_v.throughput)) { + genlmsg_cancel(msg, hdr); + goto out; + } + + if (nla_put(msg, BATADV_ATTR_ROUTER, ETH_ALEN, router->addr)) { + genlmsg_cancel(msg, hdr); + goto out; + } + + if (nla_put_string(msg, BATADV_ATTR_HARD_IFNAME, + router->if_incoming->net_dev->name)) { + genlmsg_cancel(msg, hdr); + goto out; + } + + if (nla_put_u32(msg, BATADV_ATTR_BANDWIDTH_DOWN, + gw_node->bandwidth_down)) { + genlmsg_cancel(msg, hdr); + goto out; + } + + if (nla_put_u32(msg, BATADV_ATTR_BANDWIDTH_UP, gw_node->bandwidth_up)) { + genlmsg_cancel(msg, hdr); + goto out; + } + + genlmsg_end(msg, hdr); + ret = 0; + +out: + if (router_ifinfo) + batadv_neigh_ifinfo_put(router_ifinfo); + if (router) + batadv_neigh_node_put(router); + return ret; +} + +/** + * batadv_v_gw_dump - Dump gateways into a message + * @msg: Netlink message to dump into + * @cb: Control block containing additional options + * @bat_priv: The bat priv with all the soft interface information + */ +static void batadv_v_gw_dump(struct sk_buff *msg, struct netlink_callback *cb, + struct batadv_priv *bat_priv) +{ + int portid = NETLINK_CB(cb->skb).portid; + struct batadv_gw_node *gw_node; + int idx_skip = cb->args[0]; + int idx = 0; + + rcu_read_lock(); + hlist_for_each_entry_rcu(gw_node, &bat_priv->gw.list, list) { + if (idx++ < idx_skip) + continue; + + if (batadv_v_gw_dump_entry(msg, portid, cb->nlh->nlmsg_seq, + bat_priv, gw_node)) { + idx_skip = idx - 1; + goto unlock; + } + } + + idx_skip = idx; +unlock: + rcu_read_unlock(); + + cb->args[0] = idx_skip; +} + static struct batadv_algo_ops batadv_batman_v __read_mostly = { .name = "BATMAN_V", .iface = { @@ -923,6 +1047,7 @@ static struct batadv_algo_ops batadv_batman_v __read_mostly = { .get_best_gw_node = batadv_v_gw_get_best_gw_node, .is_eligible = batadv_v_gw_is_eligible, .print = batadv_v_gw_print, + .dump = batadv_v_gw_dump, }, };

1 0

[batman-adv] master: batman-adv: add B.A.T.M.A.N. IV bat_gw_dump implementations (fa32289)
by postmaster＠open-mesh.org 19 Jul '16

19 Jul '16

Repository : ssh://git@open-mesh.org/batman-adv On branch : master >--------------------------------------------------------------- commit fa322892415253a4b425e08e69606649303c2d2b Author: Andrew Lunn <andrew(a)lunn.ch> Date: Sun Jul 3 13:31:43 2016 +0200 batman-adv: add B.A.T.M.A.N. IV bat_gw_dump implementations Dump the list of gateways via the netlink socket. Signed-off-by: Andrew Lunn <andrew(a)lunn.ch> [sven.eckelmann(a)open-mesh.com: integrate in batadv_algo_ops] Signed-off-by: Sven Eckelmann <sven.eckelmann(a)open-mesh.com> Signed-off-by: Simon Wunderlich <sw(a)simonwunderlich.de> Signed-off-by: Marek Lindner <mareklindner(a)neomailbox.ch> >--------------------------------------------------------------- fa322892415253a4b425e08e69606649303c2d2b net/batman-adv/bat_iv_ogm.c | 105 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 105 insertions(+) diff --git a/net/batman-adv/bat_iv_ogm.c b/net/batman-adv/bat_iv_ogm.c index 7a8c0f6..9ed4f1f 100644 --- a/net/batman-adv/bat_iv_ogm.c +++ b/net/batman-adv/bat_iv_ogm.c @@ -2681,6 +2681,110 @@ static void batadv_iv_gw_print(struct batadv_priv *bat_priv, seq_puts(seq, "No gateways in range ...\n"); } +/** + * batadv_iv_gw_dump_entry - Dump a gateway into a message + * @msg: Netlink message to dump into + * @portid: Port making netlink request + * @seq: Sequence number of netlink message + * @bat_priv: The bat priv with all the soft interface information + * @gw_node: Gateway to be dumped + * + * Return: Error code, or 0 on success + */ +static int batadv_iv_gw_dump_entry(struct sk_buff *msg, u32 portid, u32 seq, + struct batadv_priv *bat_priv, + struct batadv_gw_node *gw_node) +{ + struct batadv_neigh_ifinfo *router_ifinfo = NULL; + struct batadv_neigh_node *router; + struct batadv_gw_node *curr_gw; + int ret = -EINVAL; + void *hdr; + + router = batadv_orig_router_get(gw_node->orig_node, BATADV_IF_DEFAULT); + if (!router) + goto out; + + router_ifinfo = batadv_neigh_ifinfo_get(router, BATADV_IF_DEFAULT); + if (!router_ifinfo) + goto out; + + curr_gw = batadv_gw_get_selected_gw_node(bat_priv); + + hdr = genlmsg_put(msg, portid, seq, &batadv_netlink_family, + NLM_F_MULTI, BATADV_CMD_GET_GATEWAYS); + if (!hdr) { + ret = -ENOBUFS; + goto out; + } + + ret = -EMSGSIZE; + + if (curr_gw == gw_node) + if (nla_put_flag(msg, BATADV_ATTR_FLAG_BEST)) { + genlmsg_cancel(msg, hdr); + goto out; + } + + if (nla_put(msg, BATADV_ATTR_ORIG_ADDRESS, ETH_ALEN, + gw_node->orig_node->orig) || + nla_put_u8(msg, BATADV_ATTR_TQ, router_ifinfo->bat_iv.tq_avg) || + nla_put(msg, BATADV_ATTR_ROUTER, ETH_ALEN, + router->addr) || + nla_put_string(msg, BATADV_ATTR_HARD_IFNAME, + router->if_incoming->net_dev->name) || + nla_put_u32(msg, BATADV_ATTR_BANDWIDTH_DOWN, + gw_node->bandwidth_down) || + nla_put_u32(msg, BATADV_ATTR_BANDWIDTH_UP, + gw_node->bandwidth_up)) { + genlmsg_cancel(msg, hdr); + goto out; + } + + genlmsg_end(msg, hdr); + ret = 0; + +out: + if (router_ifinfo) + batadv_neigh_ifinfo_put(router_ifinfo); + if (router) + batadv_neigh_node_put(router); + return ret; +} + +/** + * batadv_iv_gw_dump - Dump gateways into a message + * @msg: Netlink message to dump into + * @cb: Control block containing additional options + * @bat_priv: The bat priv with all the soft interface information + */ +static void batadv_iv_gw_dump(struct sk_buff *msg, struct netlink_callback *cb, + struct batadv_priv *bat_priv) +{ + int portid = NETLINK_CB(cb->skb).portid; + struct batadv_gw_node *gw_node; + int idx_skip = cb->args[0]; + int idx = 0; + + rcu_read_lock(); + hlist_for_each_entry_rcu(gw_node, &bat_priv->gw.list, list) { + if (idx++ < idx_skip) + continue; + + if (batadv_iv_gw_dump_entry(msg, portid, cb->nlh->nlmsg_seq, + bat_priv, gw_node)) { + idx_skip = idx - 1; + goto unlock; + } + } + + idx_skip = idx; +unlock: + rcu_read_unlock(); + + cb->args[0] = idx_skip; +} + static struct batadv_algo_ops batadv_batman_iv __read_mostly = { .name = "BATMAN_IV", .iface = { @@ -2707,6 +2811,7 @@ static struct batadv_algo_ops batadv_batman_iv __read_mostly = { .get_best_gw_node = batadv_iv_gw_get_best_gw_node, .is_eligible = batadv_iv_gw_is_eligible, .print = batadv_iv_gw_print, + .dump = batadv_iv_gw_dump, }, };

1 0

[batctl] master: batctl: netlink: add gateway table queries (939b61f)
by postmaster＠open-mesh.org 19 Jul '16

19 Jul '16

Repository : ssh://git@open-mesh.org/batctl On branch : master >--------------------------------------------------------------- commit 939b61f2bf7e6a342b2faebff9110f4f8ead94db Author: Sven Eckelmann <sven(a)narfation.org> Date: Sun Jul 3 13:31:42 2016 +0200 batctl: netlink: add gateway table queries Add BATADV_CMD_GET_GATEWAYS commands, using handlers bat_gw_dump in batadv_algo_ops. Will always return -EOPNOTSUPP for now, as no implementations exist yet. Signed-off-by: Sven Eckelmann <sven(a)narfation.org> Signed-off-by: Marek Lindner <mareklindner(a)neomailbox.ch> >--------------------------------------------------------------- 939b61f2bf7e6a342b2faebff9110f4f8ead94db batman_adv.h | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/batman_adv.h b/batman_adv.h index 2e2747f..a13fc09 100644 --- a/batman_adv.h +++ b/batman_adv.h @@ -88,6 +88,9 @@ enum batadv_tt_client_flags { * @BATADV_ATTR_NEIGH_ADDRESS: Neighbour MAC address * @BATADV_ATTR_TQ: TQ to neighbour * @BATADV_ATTR_THROUGHPUT: Estimated throughput to Neighbour + * @BATADV_ATTR_BANDWIDTH_UP: Reported uplink bandwidth + * @BATADV_ATTR_BANDWIDTH_DOWN: Reported downlink bandwidth + * @BATADV_ATTR_ROUTER: Gateway router MAC address * @__BATADV_ATTR_AFTER_LAST: internal use * @NUM_BATADV_ATTR: total number of batadv_nl_attrs available * @BATADV_ATTR_MAX: highest attribute number currently defined @@ -120,6 +123,9 @@ enum batadv_nl_attrs { BATADV_ATTR_NEIGH_ADDRESS, BATADV_ATTR_TQ, BATADV_ATTR_THROUGHPUT, + BATADV_ATTR_BANDWIDTH_UP, + BATADV_ATTR_BANDWIDTH_DOWN, + BATADV_ATTR_ROUTER, /* add attributes above here, update the policy in netlink.c */ __BATADV_ATTR_AFTER_LAST, NUM_BATADV_ATTR = __BATADV_ATTR_AFTER_LAST, @@ -139,6 +145,7 @@ enum batadv_nl_attrs { * @BATADV_CMD_GET_TRANSTABLE_GLOBAL Query list of global translations * @BATADV_CMD_GET_ORIGINATORS: Query list of originators * @BATADV_CMD_GET_NEIGHBORS: Query list of neighbours + * @BATADV_CMD_GET_GATEWAYS: Query list of gateways * @__BATADV_CMD_AFTER_LAST: internal use * @BATADV_CMD_MAX: highest used command number */ @@ -153,6 +160,7 @@ enum batadv_nl_commands { BATADV_CMD_GET_TRANSTABLE_GLOBAL, BATADV_CMD_GET_ORIGINATORS, BATADV_CMD_GET_NEIGHBORS, + BATADV_CMD_GET_GATEWAYS, /* add new commands above here */ __BATADV_CMD_AFTER_LAST, BATADV_CMD_MAX = __BATADV_CMD_AFTER_LAST - 1

1 0

[batman-adv] master: batman-adv: netlink: add gateway table queries (117a3bf)
by postmaster＠open-mesh.org 19 Jul '16

19 Jul '16

Repository : ssh://git@open-mesh.org/batman-adv On branch : master >--------------------------------------------------------------- commit 117a3bf8234a115b5b564dff1a67dda41242de5f Author: Sven Eckelmann <sven(a)narfation.org> Date: Sun Jul 3 13:31:42 2016 +0200 batman-adv: netlink: add gateway table queries Add BATADV_CMD_GET_GATEWAYS commands, using handlers bat_gw_dump in batadv_algo_ops. Will always return -EOPNOTSUPP for now, as no implementations exist yet. Signed-off-by: Sven Eckelmann <sven(a)narfation.org> Signed-off-by: Marek Lindner <mareklindner(a)neomailbox.ch> >--------------------------------------------------------------- 117a3bf8234a115b5b564dff1a67dda41242de5f include/uapi/linux/batman_adv.h | 8 ++++++ net/batman-adv/gateway_client.c | 59 +++++++++++++++++++++++++++++++++++++++++ net/batman-adv/gateway_client.h | 2 ++ net/batman-adv/netlink.c | 10 +++++++ net/batman-adv/types.h | 3 +++ 5 files changed, 82 insertions(+) diff --git a/include/uapi/linux/batman_adv.h b/include/uapi/linux/batman_adv.h index 2e2747f..a13fc09 100644 --- a/include/uapi/linux/batman_adv.h +++ b/include/uapi/linux/batman_adv.h @@ -88,6 +88,9 @@ enum batadv_tt_client_flags { * @BATADV_ATTR_NEIGH_ADDRESS: Neighbour MAC address * @BATADV_ATTR_TQ: TQ to neighbour * @BATADV_ATTR_THROUGHPUT: Estimated throughput to Neighbour + * @BATADV_ATTR_BANDWIDTH_UP: Reported uplink bandwidth + * @BATADV_ATTR_BANDWIDTH_DOWN: Reported downlink bandwidth + * @BATADV_ATTR_ROUTER: Gateway router MAC address * @__BATADV_ATTR_AFTER_LAST: internal use * @NUM_BATADV_ATTR: total number of batadv_nl_attrs available * @BATADV_ATTR_MAX: highest attribute number currently defined @@ -120,6 +123,9 @@ enum batadv_nl_attrs { BATADV_ATTR_NEIGH_ADDRESS, BATADV_ATTR_TQ, BATADV_ATTR_THROUGHPUT, + BATADV_ATTR_BANDWIDTH_UP, + BATADV_ATTR_BANDWIDTH_DOWN, + BATADV_ATTR_ROUTER, /* add attributes above here, update the policy in netlink.c */ __BATADV_ATTR_AFTER_LAST, NUM_BATADV_ATTR = __BATADV_ATTR_AFTER_LAST, @@ -139,6 +145,7 @@ enum batadv_nl_attrs { * @BATADV_CMD_GET_TRANSTABLE_GLOBAL Query list of global translations * @BATADV_CMD_GET_ORIGINATORS: Query list of originators * @BATADV_CMD_GET_NEIGHBORS: Query list of neighbours + * @BATADV_CMD_GET_GATEWAYS: Query list of gateways * @__BATADV_CMD_AFTER_LAST: internal use * @BATADV_CMD_MAX: highest used command number */ @@ -153,6 +160,7 @@ enum batadv_nl_commands { BATADV_CMD_GET_TRANSTABLE_GLOBAL, BATADV_CMD_GET_ORIGINATORS, BATADV_CMD_GET_NEIGHBORS, + BATADV_CMD_GET_GATEWAYS, /* add new commands above here */ __BATADV_CMD_AFTER_LAST, BATADV_CMD_MAX = __BATADV_CMD_AFTER_LAST - 1 diff --git a/net/batman-adv/gateway_client.c b/net/batman-adv/gateway_client.c index a77a179..c2928c2 100644 --- a/net/batman-adv/gateway_client.c +++ b/net/batman-adv/gateway_client.c @@ -20,6 +20,7 @@ #include <linux/atomic.h> #include <linux/byteorder/generic.h> +#include <linux/errno.h> #include <linux/etherdevice.h> #include <linux/fs.h> #include <linux/if_ether.h> @@ -31,6 +32,7 @@ #include <linux/kref.h> #include <linux/list.h> #include <linux/netdevice.h> +#include <linux/netlink.h> #include <linux/rculist.h> #include <linux/rcupdate.h> #include <linux/seq_file.h> @@ -39,13 +41,17 @@ #include <linux/spinlock.h> #include <linux/stddef.h> #include <linux/udp.h> +#include <net/sock.h> +#include <uapi/linux/batman_adv.h> #include "gateway_common.h" #include "hard-interface.h" #include "log.h" +#include "netlink.h" #include "originator.h" #include "packet.h" #include "routing.h" +#include "soft-interface.h" #include "sysfs.h" #include "translation-table.h" @@ -501,6 +507,59 @@ int batadv_gw_client_seq_print_text(struct seq_file *seq, void *offset) } /** + * batadv_gw_dump - Dump gateways into a message + * @msg: Netlink message to dump into + * @cb: Control block containing additional options + * + * Return: Error code, or length of message + */ +int batadv_gw_dump(struct sk_buff *msg, struct netlink_callback *cb) +{ + struct batadv_hard_iface *primary_if = NULL; + struct net *net = sock_net(cb->skb->sk); + struct net_device *soft_iface; + struct batadv_priv *bat_priv; + int ifindex; + int ret; + + ifindex = batadv_netlink_get_ifindex(cb->nlh, + BATADV_ATTR_MESH_IFINDEX); + if (!ifindex) + return -EINVAL; + + soft_iface = dev_get_by_index(net, ifindex); + if (!soft_iface || !batadv_softif_is_valid(soft_iface)) { + ret = -ENODEV; + goto out; + } + + bat_priv = netdev_priv(soft_iface); + + primary_if = batadv_primary_if_get_selected(bat_priv); + if (!primary_if || primary_if->if_status != BATADV_IF_ACTIVE) { + ret = -ENOENT; + goto out; + } + + if (!bat_priv->algo_ops->gw.dump) { + ret = -EOPNOTSUPP; + goto out; + } + + bat_priv->algo_ops->gw.dump(msg, cb, bat_priv); + + ret = msg->len; + +out: + if (primary_if) + batadv_hardif_put(primary_if); + if (soft_iface) + dev_put(soft_iface); + + return ret; +} + +/** * batadv_gw_dhcp_recipient_get - check if a packet is a DHCP message * @skb: the packet to check * @header_len: a pointer to the batman-adv header size diff --git a/net/batman-adv/gateway_client.h b/net/batman-adv/gateway_client.h index 6b40432..859166d 100644 --- a/net/batman-adv/gateway_client.h +++ b/net/batman-adv/gateway_client.h @@ -23,6 +23,7 @@ #include <linux/types.h> struct batadv_tvlv_gateway_data; +struct netlink_callback; struct seq_file; struct sk_buff; @@ -43,6 +44,7 @@ void batadv_gw_node_put(struct batadv_gw_node *gw_node); struct batadv_gw_node * batadv_gw_get_selected_gw_node(struct batadv_priv *bat_priv); int batadv_gw_client_seq_print_text(struct seq_file *seq, void *offset); +int batadv_gw_dump(struct sk_buff *msg, struct netlink_callback *cb); bool batadv_gw_out_of_range(struct batadv_priv *bat_priv, struct sk_buff *skb); enum batadv_dhcp_recipient batadv_gw_dhcp_recipient_get(struct sk_buff *skb, unsigned int *header_len, diff --git a/net/batman-adv/netlink.c b/net/batman-adv/netlink.c index 025f2ec..c68ccb0 100644 --- a/net/batman-adv/netlink.c +++ b/net/batman-adv/netlink.c @@ -38,6 +38,7 @@ #include <uapi/linux/batman_adv.h> #include "bat_algo.h" +#include "gateway_client.h" #include "hard-interface.h" #include "originator.h" #include "soft-interface.h" @@ -87,6 +88,9 @@ static struct nla_policy batadv_netlink_policy[NUM_BATADV_ATTR] = { [BATADV_ATTR_NEIGH_ADDRESS] = { .len = ETH_ALEN }, [BATADV_ATTR_TQ] = { .type = NLA_U8 }, [BATADV_ATTR_THROUGHPUT] = { .type = NLA_U32 }, + [BATADV_ATTR_BANDWIDTH_UP] = { .type = NLA_U32 }, + [BATADV_ATTR_BANDWIDTH_DOWN] = { .type = NLA_U32 }, + [BATADV_ATTR_ROUTER] = { .len = ETH_ALEN }, }; /** @@ -570,6 +574,12 @@ static struct genl_ops batadv_netlink_ops[] = { .policy = batadv_netlink_policy, .dumpit = batadv_hardif_neigh_dump, }, + { + .cmd = BATADV_CMD_GET_GATEWAYS, + .flags = GENL_ADMIN_PERM, + .policy = batadv_netlink_policy, + .dumpit = batadv_gw_dump, + }, }; /** diff --git a/net/batman-adv/types.h b/net/batman-adv/types.h index 968023a..b5f01a3 100644 --- a/net/batman-adv/types.h +++ b/net/batman-adv/types.h @@ -1469,6 +1469,7 @@ struct batadv_algo_orig_ops { * @is_eligible: check if a newly discovered GW is a potential candidate for * the election as best GW (optional) * @print: print the gateway table (optional) + * @dump: dump gateways to a netlink socket (optional) */ struct batadv_algo_gw_ops { ssize_t (*store_sel_class)(struct batadv_priv *bat_priv, char *buff, @@ -1480,6 +1481,8 @@ struct batadv_algo_gw_ops { struct batadv_orig_node *curr_gw_orig, struct batadv_orig_node *orig_node); void (*print)(struct batadv_priv *bat_priv, struct seq_file *seq); + void (*dump)(struct sk_buff *msg, struct netlink_callback *cb, + struct batadv_priv *priv); }; /**

1 0

← Newer
1
2
3
4
5
6
7
8
...
11
Older →

2024

2023

2022

2021

2020

2019

2018

2017

2016

2015

2014

2013

2012

2011

2010

2009

commits July 2016