From 305e1e96911417d8cda2699f6a20a6f434616a8c Mon Sep 17 00:00:00 2001 From: Jean Delvare Date: Sun, 21 Oct 2007 16:44:04 -0700 Subject: [PATCH] [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 Signed-off-by: David S. Miller --- include/linux/net.h | 4 ++++ net/dccp/diag.c | 1 + net/ipv4/inet_diag.c | 7 +++++++ net/ipv4/tcp_diag.c | 1 + 4 files changed, 13 insertions(+) diff --git a/include/linux/net.h b/include/linux/net.h index c136abce7e..dd79cdb8c4 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 extern ctl_table net_table[]; diff --git a/net/dccp/diag.c b/net/dccp/diag.c index 0f3745585a..d8a3509b26 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 "); 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 7eb83ebed2..dc429b6b0b 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 3904d2158a..2fbcc7d1b1 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); -- 2.20.1