This one will implement all the interface of inet_diag, inet_diag_handler.
which includes sctp_diag_dump, sctp_diag_dump_one and sctp_diag_get_info.
It will work as a modules, and register inet_diag_handler when loading.
Signed-off-by: Xin Long <lucien.xin@xxxxxxxxx>
---
include/uapi/linux/inet_diag.h | 2 +
net/sctp/Kconfig | 4 +
net/sctp/Makefile | 1 +
net/sctp/sctp_diag.c | 581 +++++++++++++++++++++++++++++++++++++++++
4 files changed, 588 insertions(+)
create mode 100644 net/sctp/sctp_diag.c
diff --git a/include/uapi/linux/inet_diag.h b/include/uapi/linux/inet_diag.h
index 68a1f71..f5f3629 100644
--- a/include/uapi/linux/inet_diag.h
+++ b/include/uapi/linux/inet_diag.h
@@ -113,6 +113,8 @@ enum {
INET_DIAG_DCTCPINFO,
INET_DIAG_PROTOCOL, /* response attribute only */
INET_DIAG_SKV6ONLY,
+ INET_DIAG_LOCALS,
+ INET_DIAG_PEERS,
};
#define INET_DIAG_MAX INET_DIAG_SKV6ONLY
diff --git a/net/sctp/Kconfig b/net/sctp/Kconfig
index 71c1a59..d9c04dc 100644
--- a/net/sctp/Kconfig
+++ b/net/sctp/Kconfig
@@ -99,5 +99,9 @@ config SCTP_COOKIE_HMAC_SHA1
select CRYPTO_HMAC if SCTP_COOKIE_HMAC_SHA1
select CRYPTO_SHA1 if SCTP_COOKIE_HMAC_SHA1
+config INET_SCTP_DIAG
+ depends on INET_DIAG
+ def_tristate INET_DIAG
+
endif # IP_SCTP
diff --git a/net/sctp/Makefile b/net/sctp/Makefile
index 3b4ffb0..0fca582 100644
--- a/net/sctp/Makefile
+++ b/net/sctp/Makefile
@@ -4,6 +4,7 @@
obj-$(CONFIG_IP_SCTP) += sctp.o
obj-$(CONFIG_NET_SCTPPROBE) += sctp_probe.o
+obj-$(CONFIG_INET_SCTP_DIAG) += sctp_diag.o
sctp-y := sm_statetable.o sm_statefuns.o sm_sideeffect.o \
protocol.o endpointola.o associola.o \
diff --git a/net/sctp/sctp_diag.c b/net/sctp/sctp_diag.c
new file mode 100644
index 0000000..86fccc2
--- /dev/null
+++ b/net/sctp/sctp_diag.c
@@ -0,0 +1,581 @@
+#include <linux/module.h>
+#include <linux/inet_diag.h>
+#include <linux/sock_diag.h>
+#include <net/sctp/sctp.h>
+
+extern const struct inet_diag_handler *inet_diag_get_handler(int proto);
+extern void inet_diag_msg_common_fill(struct inet_diag_msg *r,
+ struct sock *sk);
+
+static int inet_sctp_fill_laddrs(struct sk_buff *skb,
+ struct list_head *address_list)
+{
+ struct sctp_sockaddr_entry *laddr;
+ int addrlen = sizeof(struct sockaddr_storage);
+ int addrcnt = 0;
+ struct nlattr *attr;
+ void *info = NULL;
+
+ list_for_each_entry_rcu(laddr, address_list, list)
+ addrcnt++;
+
+ attr = nla_reserve(skb, INET_DIAG_LOCALS, addrlen * addrcnt);
+ if (!attr)
+ return -EMSGSIZE;
+
+ info = nla_data(attr);
+ list_for_each_entry_rcu(laddr, address_list, list) {
+ memcpy(info, &laddr->a, addrlen);
+ info += addrlen;
+ }
+
+ return 0;
+}
+
+static int inet_sctp_fill_paddrs(struct sk_buff *skb,
+ struct sctp_association *asoc)
+{
+ int addrlen = sizeof(struct sockaddr_storage);
+ struct sctp_transport *from;
+ struct nlattr *attr;
+ void *info = NULL;
+
+ attr = nla_reserve(skb, INET_DIAG_PEERS,
+ addrlen * asoc->peer.transport_count);
+ if (!attr)
+ return -EMSGSIZE;
+
+ info = nla_data(attr);
+ list_for_each_entry(from, &asoc->peer.transport_addr_list,
+ transports) {
+ memcpy(info, &from->ipaddr, addrlen);
+ info += addrlen;
+ }
+
+ return 0;
+}
+
+static int inet_assoc_diag_fill(struct sock *sk,
+ struct sctp_association *asoc,
+ struct sk_buff *skb,
+ const struct inet_diag_req_v2 *req,
+ struct user_namespace *user_ns,
+ int portid, u32 seq, u16 nlmsg_flags,
+ const struct nlmsghdr *unlh)
+{
+ const struct inet_sock *inet = inet_sk(sk);
+ const struct inet_diag_handler *handler;
+ int ext = req->idiag_ext;
+ struct inet_diag_msg *r;
+ struct nlmsghdr *nlh;
+ struct nlattr *attr;
+ void *info = NULL;
+ union sctp_addr laddr, paddr;
+ struct dst_entry *dst;
+ struct sctp_infox infox;
+
+ handler = inet_diag_get_handler(req->sdiag_protocol);
+ BUG_ON(!handler);
+
+ nlh = nlmsg_put(skb, portid, seq, unlh->nlmsg_type, sizeof(*r),
+ nlmsg_flags);
+ if (!nlh)
+ return -EMSGSIZE;
+
+ r = nlmsg_data(nlh);
+ BUG_ON(!sk_fullsock(sk));
+
+ laddr = list_entry(asoc->base.bind_addr.address_list.next,
+ struct sctp_sockaddr_entry, list)->a;
+ paddr = asoc->peer.primary_path->ipaddr;
+ dst = asoc->peer.primary_path->dst;
+
+ r->idiag_family = sk->sk_family;
+ r->id.idiag_sport = htons(asoc->base.bind_addr.port);
+ r->id.idiag_dport = htons(asoc->peer.port);
+ r->id.idiag_if = dst ? dst->dev->ifindex : 0;
+ sock_diag_save_cookie(sk, r->id.idiag_cookie);
+
+#if IS_ENABLED(CONFIG_IPV6)
+ if (sk->sk_family == AF_INET6) {
+ *(struct in6_addr *)r->id.idiag_src = laddr.v6.sin6_addr;
+ *(struct in6_addr *)r->id.idiag_dst = paddr.v6.sin6_addr;
+ } else
+#endif
+ {
+ memset(&r->id.idiag_src, 0, sizeof(r->id.idiag_src));
+ memset(&r->id.idiag_dst, 0, sizeof(r->id.idiag_dst));
+
+ r->id.idiag_src[0] = laddr.v4.sin_addr.s_addr;
+ r->id.idiag_dst[0] = paddr.v4.sin_addr.s_addr;
+ }
+
+ r->idiag_state = asoc->state;
+ r->idiag_timer = SCTP_EVENT_TIMEOUT_T3_RTX;
+ r->idiag_retrans = asoc->rtx_data_chunks;
+#define EXPIRES_IN_MS(tmo) DIV_ROUND_UP((tmo - jiffies) * 1000, HZ)
+ r->idiag_expires =
+ EXPIRES_IN_MS(asoc->timeouts[SCTP_EVENT_TIMEOUT_T3_RTX]);
+#undef EXPIRES_IN_MS
+
+ if (nla_put_u8(skb, INET_DIAG_SHUTDOWN, sk->sk_shutdown))
+ goto errout;
+
+ /* IPv6 dual-stack sockets use inet->tos for IPv4 connections,
+ * hence this needs to be included regardless of socket family.
+ */
+ if (ext & (1 << (INET_DIAG_TOS - 1)))
+ if (nla_put_u8(skb, INET_DIAG_TOS, inet->tos) < 0)
+ goto errout;
+
+#if IS_ENABLED(CONFIG_IPV6)
+ if (r->idiag_family == AF_INET6) {
+ if (ext & (1 << (INET_DIAG_TCLASS - 1)))
+ if (nla_put_u8(skb, INET_DIAG_TCLASS,
+ inet6_sk(sk)->tclass) < 0)
+ goto errout;
+
+ if (((1 << sk->sk_state) & (TCPF_LISTEN | TCPF_CLOSE)) &&
+ nla_put_u8(skb, INET_DIAG_SKV6ONLY, ipv6_only_sock(sk)))
+ goto errout;
+ }
+#endif
+
+ r->idiag_uid = from_kuid_munged(user_ns, sock_i_uid(sk));
+ r->idiag_inode = sock_i_ino(sk);
+
+ if (ext & (1 << (INET_DIAG_MEMINFO - 1))) {
+ struct inet_diag_meminfo minfo = {
+ .idiag_rmem = sk_rmem_alloc_get(sk),
+ .idiag_wmem = sk->sk_wmem_queued,
+ .idiag_fmem = sk->sk_forward_alloc,
+ .idiag_tmem = sk_wmem_alloc_get(sk),
+ };
+
+ if (nla_put(skb, INET_DIAG_MEMINFO, sizeof(minfo), &minfo) < 0)
+ goto errout;
+ }
+
+ if (ext & (1 << (INET_DIAG_SKMEMINFO - 1)))
+ if (sock_diag_put_meminfo(sk, skb, INET_DIAG_SKMEMINFO))
+ goto errout;
+
+ if ((ext & (1 << (INET_DIAG_INFO - 1))) && handler->idiag_info_size) {
+ attr = nla_reserve(skb, INET_DIAG_INFO,
+ handler->idiag_info_size);
+ if (!attr)
+ goto errout;
+
+ info = nla_data(attr);
+ }
+ infox.sctpinfo = (struct sctp_info *)info;
+ infox.asoc = asoc;
+ handler->idiag_get_info(sk, r, &infox);
+
+ if (ext & (1 << (INET_DIAG_CONG - 1)))
+ if (nla_put_string(skb, INET_DIAG_CONG, "reno") < 0)
+ goto errout;
+
+ if (inet_sctp_fill_laddrs(skb, &asoc->base.bind_addr.address_list))
+ goto errout;
+
+ if (inet_sctp_fill_paddrs(skb, asoc))
+ goto errout;
+
+ nlmsg_end(skb, nlh);
+ return 0;
+
+errout:
+ nlmsg_cancel(skb, nlh);
+ return -EMSGSIZE;
+}
+
+static int inet_ep_diag_fill(struct sock *sk, struct sctp_endpoint *ep,
+ struct sk_buff *skb,
+ const struct inet_diag_req_v2 *req,
+ struct user_namespace *user_ns,
+ u32 portid, u32 seq, u16 nlmsg_flags,
+ const struct nlmsghdr *unlh)
+{
+ const struct inet_sock *inet = inet_sk(sk);
+ const struct inet_diag_handler *handler;
+ int ext = req->idiag_ext;
+ struct inet_diag_msg *r;
+ struct nlmsghdr *nlh;
+ struct nlattr *attr;
+ void *info = NULL;
+ struct sctp_infox infox;
+
+ handler = inet_diag_get_handler(req->sdiag_protocol);
+ BUG_ON(!handler);
+
+ nlh = nlmsg_put(skb, portid, seq, unlh->nlmsg_type, sizeof(*r),
+ nlmsg_flags);
+ if (!nlh)
+ return -EMSGSIZE;
+
+ r = nlmsg_data(nlh);
+ BUG_ON(!sk_fullsock(sk));
+
+ inet_diag_msg_common_fill(r, sk);
+ r->idiag_state = sk->sk_state;
+ r->idiag_timer = 0;
+ r->idiag_retrans = 0;
+
+ if (nla_put_u8(skb, INET_DIAG_SHUTDOWN, sk->sk_shutdown))
+ goto errout;
+
+ /* IPv6 dual-stack sockets use inet->tos for IPv4 connections,
+ * hence this needs to be included regardless of socket family.
+ */
+ if (ext & (1 << (INET_DIAG_TOS - 1)))
+ if (nla_put_u8(skb, INET_DIAG_TOS, inet->tos) < 0)
+ goto errout;
+
+#if IS_ENABLED(CONFIG_IPV6)
+ if (r->idiag_family == AF_INET6) {
+ if (ext & (1 << (INET_DIAG_TCLASS - 1)))
+ if (nla_put_u8(skb, INET_DIAG_TCLASS,
+ inet6_sk(sk)->tclass) < 0)
+ goto errout;
+
+ if (((1 << sk->sk_state) & (TCPF_LISTEN | TCPF_CLOSE)) &&
+ nla_put_u8(skb, INET_DIAG_SKV6ONLY, ipv6_only_sock(sk)))
+ goto errout;
+ }
+#endif
+
+ r->idiag_uid = from_kuid_munged(user_ns, sock_i_uid(sk));
+ r->idiag_inode = sock_i_ino(sk);
+
+ if (ext & (1 << (INET_DIAG_MEMINFO - 1))) {
+ struct inet_diag_meminfo minfo = {
+ .idiag_rmem = sk_rmem_alloc_get(sk),
+ .idiag_wmem = sk->sk_wmem_queued,
+ .idiag_fmem = sk->sk_forward_alloc,
+ .idiag_tmem = sk_wmem_alloc_get(sk),
+ };
+
+ if (nla_put(skb, INET_DIAG_MEMINFO, sizeof(minfo), &minfo) < 0)
+ goto errout;
+ }
+
+ if (ext & (1 << (INET_DIAG_SKMEMINFO - 1)))
+ if (sock_diag_put_meminfo(sk, skb, INET_DIAG_SKMEMINFO))
+ goto errout;
+
+ if ((ext & (1 << (INET_DIAG_INFO - 1))) && handler->idiag_info_size) {
+ attr = nla_reserve(skb, INET_DIAG_INFO,
+ handler->idiag_info_size);
+ if (!attr)
+ goto errout;
+
+ info = nla_data(attr);
+ }
+ infox.sctpinfo = (struct sctp_info *)info;
+ infox.asoc = NULL;
+ handler->idiag_get_info(sk, r, &infox);
+
+ if (inet_sctp_fill_laddrs(skb, &ep->base.bind_addr.address_list))
+ goto errout;
+
+ nlmsg_end(skb, nlh);
+ return 0;
+
+errout:
+ nlmsg_cancel(skb, nlh);
+ return -EMSGSIZE;
+}
+
+static size_t inet_assoc_attr_size(struct sctp_association *asoc)
+{
+ int addrlen = sizeof(struct sockaddr_storage);
+ int addrcnt = 0;
+ struct sctp_sockaddr_entry *laddr;
+
+ list_for_each_entry_rcu(laddr, &asoc->base.bind_addr.address_list,
+ list)
+ addrcnt++;
+
+ return nla_total_size(sizeof(struct tcp_info))
+ + nla_total_size(1) /* INET_DIAG_SHUTDOWN */
+ + nla_total_size(1) /* INET_DIAG_TOS */
+ + nla_total_size(1) /* INET_DIAG_TCLASS */
+ + nla_total_size(addrlen * asoc->peer.transport_count)
+ + nla_total_size(addrlen * addrcnt)
+ + nla_total_size(sizeof(struct inet_diag_meminfo))
+ + nla_total_size(sizeof(struct inet_diag_msg))
+ + nla_total_size(sizeof(struct sctp_info))
+ + 64;
+}
+
+/* callback and param */
+struct sctp_comm_param {
+ struct sk_buff *skb;
+ struct netlink_callback *cb;
+ const struct inet_diag_req_v2 *r;
+ const struct nlmsghdr *nlh;
+};
+
+static int sctp_tsp_dump_one(struct sctp_transport *tsp, void *p)
+{
+ struct sctp_association *assoc = tsp->asoc;
+ struct sock *sk = tsp->asoc->base.sk;
+ struct sctp_comm_param *commp = p;
+ struct sk_buff *in_skb = commp->skb;
+ const struct inet_diag_req_v2 *req = commp->r;
+ const struct nlmsghdr *nlh = commp->nlh;
+ struct net *net = sock_net(in_skb->sk);
+ struct sk_buff *rep;
+ int err;
+
+ err = sock_diag_check_cookie(sk, req->id.idiag_cookie);
+ if (err)
+ goto out;
+
+ err = -ENOMEM;
+ rep = nlmsg_new(inet_assoc_attr_size(assoc), GFP_KERNEL);
+ if (!rep)
+ goto out;
+
+ err = inet_assoc_diag_fill(sk, assoc, rep, req,
+ sk_user_ns(NETLINK_CB(in_skb).sk),
+ NETLINK_CB(in_skb).portid,
+ nlh->nlmsg_seq, 0, nlh);
+ if (err < 0) {
+ WARN_ON(err == -EMSGSIZE);
+ kfree_skb(rep);
+ goto out;
+ }
+
+ err = netlink_unicast(net->diag_nlsk, rep, NETLINK_CB(in_skb).portid,
+ MSG_DONTWAIT);
+ if (err > 0)
+ err = 0;
+out:
+ return err;
+}
+
+static int sctp_tsp_dump(struct sctp_transport *tsp, void *p)
+{
+ struct sctp_endpoint *ep = tsp->asoc->ep;
+ struct sctp_comm_param *commp = p;
+ struct sock *sk = ep->base.sk;
+ struct sk_buff *skb = commp->skb;
+ struct netlink_callback *cb = commp->cb;
+ const struct inet_diag_req_v2 *r = commp->r;
+ struct sctp_association *assoc =
+ list_entry(ep->asocs.next, struct sctp_association, asocs);
+ int err = 0;
+
+ if (tsp->asoc != assoc)
+ goto out;
+
+ if (r->sdiag_family != AF_UNSPEC && sk->sk_family != r->sdiag_family)
+ goto out;
+
+ lock_sock(sk);
+ list_for_each_entry(assoc, &ep->asocs, asocs) {
+ if (cb->args[4] < cb->args[1])
+ goto next;
+
+ if (r->id.idiag_sport != htons(assoc->base.bind_addr.port) &&
+ r->id.idiag_sport)
+ goto next;
+ if (r->id.idiag_dport != htons(assoc->peer.port) &&
+ r->id.idiag_dport)
+ goto next;
+
+ if (!cb->args[3] &&
+ inet_ep_diag_fill(sk, ep, skb, r,
+ sk_user_ns(NETLINK_CB(cb->skb).sk),
+ NETLINK_CB(cb->skb).portid,
+ cb->nlh->nlmsg_seq,
+ NLM_F_MULTI, cb->nlh) < 0) {
+ cb->args[3] = 1;
+ err = 2;
+ goto release;
+ }
+ cb->args[3] = 1;
+
+ if (inet_assoc_diag_fill(sk, assoc, skb, r,
+ sk_user_ns(NETLINK_CB(cb->skb).sk),
+ NETLINK_CB(cb->skb).portid,
+ cb->nlh->nlmsg_seq, 0, cb->nlh) < 0) {
+ err = 2;
+ goto release;
+ }
+next:
+ cb->args[4]++;
+ }
+ cb->args[1] = 0;
+ cb->args[2]++;
+ cb->args[3] = 0;
+ cb->args[4] = 0;
+release:
+ release_sock(sk);
+ return err;
+out:
+ cb->args[2]++;
+ return err;
+}
+
+static int sctp_ep_dump(struct sctp_endpoint *ep, void *p)
+{
+ struct sctp_comm_param *commp = p;
+ struct sock *sk = ep->base.sk;
+ struct sk_buff *skb = commp->skb;
+ struct netlink_callback *cb = commp->cb;
+ const struct inet_diag_req_v2 *r = commp->r;
+ struct net *net = sock_net(skb->sk);
+ struct inet_sock *inet = inet_sk(sk);
+ int err = 0;
+
+ if (!net_eq(sock_net(sk), net))
+ goto out;
+
+ if (cb->args[4] < cb->args[1])
+ goto next;
+
+ if (r->sdiag_family != AF_UNSPEC &&
+ sk->sk_family != r->sdiag_family)
+ goto next;
+
+ if (r->id.idiag_sport != inet->inet_sport &&
+ r->id.idiag_sport)
+ goto next;
+
+ if (r->id.idiag_dport != inet->inet_dport &&
+ r->id.idiag_dport)
+ goto next;
+
+ if (inet_ep_diag_fill(sk, ep, skb, r,
+ sk_user_ns(NETLINK_CB(cb->skb).sk),
+ NETLINK_CB(cb->skb).portid,
+ cb->nlh->nlmsg_seq, NLM_F_MULTI,
+ cb->nlh) < 0) {
+ err = 2;
+ goto out;
+ }
+next:
+ cb->args[4]++;
+out:
+ return err;
+}
+
+/* define the functions for sctp_diag_handler*/
+static void sctp_diag_get_info(struct sock *sk, struct inet_diag_msg *r,
+ void *info)
+{
+ struct sctp_infox *infox = (struct sctp_infox *)info;
+
+ if (infox->asoc) {
+ r->idiag_rqueue = atomic_read(&infox->asoc->rmem_alloc);
+ r->idiag_wqueue = infox->asoc->sndbuf_used;
+ } else {
+ r->idiag_rqueue = sk->sk_ack_backlog;
+ r->idiag_wqueue = sk->sk_max_ack_backlog;
+ }
+ if (infox->sctpinfo)
+ sctp_get_sctp_info(sk, infox->asoc, infox->sctpinfo);
+}
+
+static int sctp_diag_dump_one(struct sk_buff *in_skb,
+ const struct nlmsghdr *nlh,
+ const struct inet_diag_req_v2 *req)
+{
+ struct net *net = sock_net(in_skb->sk);
+ union sctp_addr laddr, paddr;
+ struct sctp_comm_param commp = {
+ .skb = in_skb,
+ .r = req,
+ .nlh = nlh,
+ };
+
+ if (req->sdiag_family == AF_INET) {
+ laddr.v4.sin_port = req->id.idiag_sport;
+ laddr.v4.sin_addr.s_addr = req->id.idiag_src[0];
+ laddr.v4.sin_family = AF_INET;
+
+ paddr.v4.sin_port = req->id.idiag_dport;
+ paddr.v4.sin_addr.s_addr = req->id.idiag_dst[0];
+ paddr.v4.sin_family = AF_INET;
+ } else {
+ laddr.v6.sin6_port = req->id.idiag_sport;
+ memcpy(&laddr.v6.sin6_addr, req->id.idiag_src, 64);
+ laddr.v6.sin6_family = AF_INET6;
+
+ paddr.v6.sin6_port = req->id.idiag_dport;
+ memcpy(&paddr.v6.sin6_addr, req->id.idiag_dst, 64);
+ paddr.v6.sin6_family = AF_INET6;
+ }
+
+ return sctp_transport_lookup_process(sctp_tsp_dump_one,
+ net, &laddr, &paddr, &commp);
+}
+
+static void sctp_diag_dump(struct sk_buff *skb, struct netlink_callback *cb,
+ const struct inet_diag_req_v2 *r, struct nlattr *bc)
+{
+ u32 idiag_states = r->idiag_states;
+ struct net *net = sock_net(skb->sk);
+ struct sctp_comm_param commp = {
+ .skb = skb,
+ .cb = cb,
+ .r = r,
+ };
+
+ /* eps hashtable dumps
+ * args:
+ * 0 : if it will traversal listen sock
+ * 1 : to record the sock pos of this time's traversal
+ * 4 : to work as a temporary variable to traversal list
+ */
+ if (cb->args[0] == 0) {
+ if (!(idiag_states & TCPF_LISTEN))
+ goto skip;
+ if (sctp_for_each_endpoint(sctp_ep_dump, &commp))
+ goto done;
+skip:
+ cb->args[0] = 1;
+ cb->args[1] = 0;
+ cb->args[4] = 0;
+ }
+
+ /* asocs by transport hashtable dump
+ * args:
+ * 1 : to record the assoc pos of this time's traversal
+ * 2 : to record the transport pos of this time's traversal
+ * 3 : to mark if we have dumped the ep info of the current asoc
+ * 4 : to work as a temporary variable to traversal list
+ */
+ if (!(idiag_states & ~TCPF_LISTEN))
+ goto done;
+ sctp_for_each_transport(sctp_tsp_dump, net, cb->args[2], &commp);
+done:
+ cb->args[1] = cb->args[4];
+ cb->args[4] = 0;
+}
+
+static const struct inet_diag_handler sctp_diag_handler = {
+ .dump = sctp_diag_dump,
+ .dump_one = sctp_diag_dump_one,
+ .idiag_get_info = sctp_diag_get_info,
+ .idiag_type = IPPROTO_SCTP,
+ .idiag_info_size = sizeof(struct sctp_info),
+};
+
+static int __init sctp_diag_init(void)
+{
+ return inet_diag_register(&sctp_diag_handler);
+}
+
+static void __exit sctp_diag_exit(void)
+{
+ inet_diag_unregister(&sctp_diag_handler);
+}
+
+module_init(sctp_diag_init);
+module_exit(sctp_diag_exit);
+MODULE_LICENSE("GPL");
+MODULE_ALIAS_NET_PF_PROTO_TYPE(PF_NETLINK, NETLINK_SOCK_DIAG, 2-132);
--
2.1.0
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