batman-adv: add DAT cache netlink support
Dump the list of DAT cache entries via the netlink socket.
Signed-off-by: Linus Lüssing <linus.luessing@c0d3.blue>
Signed-off-by: Sven Eckelmann <sven@narfation.org>
Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
diff --git a/net/batman-adv/netlink.c b/net/batman-adv/netlink.c
index 129af56..2b3e7c3 100644
--- a/net/batman-adv/netlink.c
+++ b/net/batman-adv/netlink.c
@@ -45,6 +45,7 @@
#include "bat_algo.h"
#include "bridge_loop_avoidance.h"
+#include "distributed-arp-table.h"
#include "gateway_client.h"
#include "hard-interface.h"
#include "originator.h"
@@ -64,39 +65,42 @@ static const struct genl_multicast_group batadv_netlink_mcgrps[] = {
};
static const struct nla_policy batadv_netlink_policy[NUM_BATADV_ATTR] = {
- [BATADV_ATTR_VERSION] = { .type = NLA_STRING },
- [BATADV_ATTR_ALGO_NAME] = { .type = NLA_STRING },
- [BATADV_ATTR_MESH_IFINDEX] = { .type = NLA_U32 },
- [BATADV_ATTR_MESH_IFNAME] = { .type = NLA_STRING },
- [BATADV_ATTR_MESH_ADDRESS] = { .len = ETH_ALEN },
- [BATADV_ATTR_HARD_IFINDEX] = { .type = NLA_U32 },
- [BATADV_ATTR_HARD_IFNAME] = { .type = NLA_STRING },
- [BATADV_ATTR_HARD_ADDRESS] = { .len = ETH_ALEN },
- [BATADV_ATTR_ORIG_ADDRESS] = { .len = ETH_ALEN },
- [BATADV_ATTR_TPMETER_RESULT] = { .type = NLA_U8 },
- [BATADV_ATTR_TPMETER_TEST_TIME] = { .type = NLA_U32 },
- [BATADV_ATTR_TPMETER_BYTES] = { .type = NLA_U64 },
- [BATADV_ATTR_TPMETER_COOKIE] = { .type = NLA_U32 },
- [BATADV_ATTR_ACTIVE] = { .type = NLA_FLAG },
- [BATADV_ATTR_TT_ADDRESS] = { .len = ETH_ALEN },
- [BATADV_ATTR_TT_TTVN] = { .type = NLA_U8 },
- [BATADV_ATTR_TT_LAST_TTVN] = { .type = NLA_U8 },
- [BATADV_ATTR_TT_CRC32] = { .type = NLA_U32 },
- [BATADV_ATTR_TT_VID] = { .type = NLA_U16 },
- [BATADV_ATTR_TT_FLAGS] = { .type = NLA_U32 },
- [BATADV_ATTR_FLAG_BEST] = { .type = NLA_FLAG },
- [BATADV_ATTR_LAST_SEEN_MSECS] = { .type = NLA_U32 },
- [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 },
- [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 },
+ [BATADV_ATTR_VERSION] = { .type = NLA_STRING },
+ [BATADV_ATTR_ALGO_NAME] = { .type = NLA_STRING },
+ [BATADV_ATTR_MESH_IFINDEX] = { .type = NLA_U32 },
+ [BATADV_ATTR_MESH_IFNAME] = { .type = NLA_STRING },
+ [BATADV_ATTR_MESH_ADDRESS] = { .len = ETH_ALEN },
+ [BATADV_ATTR_HARD_IFINDEX] = { .type = NLA_U32 },
+ [BATADV_ATTR_HARD_IFNAME] = { .type = NLA_STRING },
+ [BATADV_ATTR_HARD_ADDRESS] = { .len = ETH_ALEN },
+ [BATADV_ATTR_ORIG_ADDRESS] = { .len = ETH_ALEN },
+ [BATADV_ATTR_TPMETER_RESULT] = { .type = NLA_U8 },
+ [BATADV_ATTR_TPMETER_TEST_TIME] = { .type = NLA_U32 },
+ [BATADV_ATTR_TPMETER_BYTES] = { .type = NLA_U64 },
+ [BATADV_ATTR_TPMETER_COOKIE] = { .type = NLA_U32 },
+ [BATADV_ATTR_ACTIVE] = { .type = NLA_FLAG },
+ [BATADV_ATTR_TT_ADDRESS] = { .len = ETH_ALEN },
+ [BATADV_ATTR_TT_TTVN] = { .type = NLA_U8 },
+ [BATADV_ATTR_TT_LAST_TTVN] = { .type = NLA_U8 },
+ [BATADV_ATTR_TT_CRC32] = { .type = NLA_U32 },
+ [BATADV_ATTR_TT_VID] = { .type = NLA_U16 },
+ [BATADV_ATTR_TT_FLAGS] = { .type = NLA_U32 },
+ [BATADV_ATTR_FLAG_BEST] = { .type = NLA_FLAG },
+ [BATADV_ATTR_LAST_SEEN_MSECS] = { .type = NLA_U32 },
+ [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 },
+ [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 },
+ [BATADV_ATTR_DAT_CACHE_IP4ADDRESS] = { .type = NLA_U32 },
+ [BATADV_ATTR_DAT_CACHE_HWADDRESS] = { .len = ETH_ALEN },
+ [BATADV_ATTR_DAT_CACHE_VID] = { .type = NLA_U16 },
};
/**
@@ -604,6 +608,12 @@ static const struct genl_ops batadv_netlink_ops[] = {
.policy = batadv_netlink_policy,
.dumpit = batadv_bla_backbone_dump,
},
+ {
+ .cmd = BATADV_CMD_GET_DAT_CACHE,
+ .flags = GENL_ADMIN_PERM,
+ .policy = batadv_netlink_policy,
+ .dumpit = batadv_dat_cache_dump,
+ },
};