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authorJean Delvare <jdelvare@suse.de>2007-10-22 03:44:04 +0400
committerDavid S. Miller <davem@sunset.davemloft.net>2007-10-22 13:59:54 +0400
commit305e1e96911417d8cda2699f6a20a6f434616a8c (patch)
tree02cc300a2a32478c470d93b7a79dfd7e3b71b560
parent81429973cfff7745792c877dd083eec29724ec97 (diff)
downloadlinux-305e1e96911417d8cda2699f6a20a6f434616a8c.tar.xz
[INET]: Let inet_diag and friends autoload
By adding module aliases to inet_diag, tcp_diag and dccp_diag, we let them load automatically as needed. This makes tools like "ss" run faster. Signed-off-by: Jean Delvare <jdelvare@suse.de> Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--include/linux/net.h4
-rw-r--r--net/dccp/diag.c1
-rw-r--r--net/ipv4/inet_diag.c7
-rw-r--r--net/ipv4/tcp_diag.c1
4 files changed, 13 insertions, 0 deletions
diff --git a/include/linux/net.h b/include/linux/net.h
index c136abce7ef6..dd79cdb8c4cf 100644
--- a/include/linux/net.h
+++ b/include/linux/net.h
@@ -313,6 +313,10 @@ static const struct proto_ops name##_ops = { \
#define MODULE_ALIAS_NET_PF_PROTO(pf, proto) \
MODULE_ALIAS("net-pf-" __stringify(pf) "-proto-" __stringify(proto))
+#define MODULE_ALIAS_NET_PF_PROTO_TYPE(pf, proto, type) \
+ MODULE_ALIAS("net-pf-" __stringify(pf) "-proto-" __stringify(proto) \
+ "-type-" __stringify(type))
+
#ifdef CONFIG_SYSCTL
#include <linux/sysctl.h>
extern ctl_table net_table[];
diff --git a/net/dccp/diag.c b/net/dccp/diag.c
index 0f3745585a94..d8a3509b26f6 100644
--- a/net/dccp/diag.c
+++ b/net/dccp/diag.c
@@ -68,3 +68,4 @@ module_exit(dccp_diag_fini);
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Arnaldo Carvalho de Melo <acme@mandriva.com>");
MODULE_DESCRIPTION("DCCP inet_diag handler");
+MODULE_ALIAS_NET_PF_PROTO_TYPE(PF_NETLINK, NETLINK_INET_DIAG, DCCPDIAG_GETSOCK);
diff --git a/net/ipv4/inet_diag.c b/net/ipv4/inet_diag.c
index 7eb83ebed2ec..dc429b6b0ba6 100644
--- a/net/ipv4/inet_diag.c
+++ b/net/ipv4/inet_diag.c
@@ -815,6 +815,12 @@ static int inet_diag_rcv_msg(struct sk_buff *skb, struct nlmsghdr *nlh)
nlmsg_len(nlh) < hdrlen)
return -EINVAL;
+#ifdef CONFIG_KMOD
+ if (inet_diag_table[nlh->nlmsg_type] == NULL)
+ request_module("net-pf-%d-proto-%d-type-%d", PF_NETLINK,
+ NETLINK_INET_DIAG, nlh->nlmsg_type);
+#endif
+
if (inet_diag_table[nlh->nlmsg_type] == NULL)
return -ENOENT;
@@ -914,3 +920,4 @@ static void __exit inet_diag_exit(void)
module_init(inet_diag_init);
module_exit(inet_diag_exit);
MODULE_LICENSE("GPL");
+MODULE_ALIAS_NET_PF_PROTO(PF_NETLINK, NETLINK_INET_DIAG);
diff --git a/net/ipv4/tcp_diag.c b/net/ipv4/tcp_diag.c
index 3904d2158a92..2fbcc7d1b1a0 100644
--- a/net/ipv4/tcp_diag.c
+++ b/net/ipv4/tcp_diag.c
@@ -56,3 +56,4 @@ static void __exit tcp_diag_exit(void)
module_init(tcp_diag_init);
module_exit(tcp_diag_exit);
MODULE_LICENSE("GPL");
+MODULE_ALIAS_NET_PF_PROTO_TYPE(PF_NETLINK, NETLINK_INET_DIAG, TCPDIAG_GETSOCK);