From c71e9167081a6a0d2a076cda674b696b89bb31c2 Mon Sep 17 00:00:00 2001 From: Patrick McHardy Date: Mon, 14 Jan 2008 23:49:37 -0800 Subject: [PATCH] [NETFILTER]: nf_conntrack: make print_conntrack function optional for l4protos Allows to remove five empty implementations. Signed-off-by: Patrick McHardy Signed-off-by: David S. Miller --- net/ipv4/netfilter/nf_conntrack_l3proto_ipv4_compat.c | 2 +- net/ipv4/netfilter/nf_conntrack_proto_icmp.c | 8 -------- net/ipv6/netfilter/nf_conntrack_proto_icmpv6.c | 8 -------- net/netfilter/nf_conntrack_proto_generic.c | 8 -------- net/netfilter/nf_conntrack_proto_udp.c | 9 --------- net/netfilter/nf_conntrack_proto_udplite.c | 9 --------- net/netfilter/nf_conntrack_standalone.c | 2 +- 7 files changed, 2 insertions(+), 44 deletions(-) diff --git a/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4_compat.c b/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4_compat.c index acde9952cad..543c02b74c9 100644 --- a/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4_compat.c +++ b/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4_compat.c @@ -121,7 +121,7 @@ static int ct_seq_show(struct seq_file *s, void *v) ? (long)(ct->timeout.expires - jiffies)/HZ : 0) != 0) return -ENOSPC; - if (l4proto->print_conntrack(s, ct)) + if (l4proto->print_conntrack && l4proto->print_conntrack(s, ct)) return -ENOSPC; if (print_tuple(s, &ct->tuplehash[IP_CT_DIR_ORIGINAL].tuple, diff --git a/net/ipv4/netfilter/nf_conntrack_proto_icmp.c b/net/ipv4/netfilter/nf_conntrack_proto_icmp.c index cd0d6690627..4004a04c551 100644 --- a/net/ipv4/netfilter/nf_conntrack_proto_icmp.c +++ b/net/ipv4/netfilter/nf_conntrack_proto_icmp.c @@ -74,13 +74,6 @@ static int icmp_print_tuple(struct seq_file *s, ntohs(tuple->src.u.icmp.id)); } -/* Print out the private part of the conntrack. */ -static int icmp_print_conntrack(struct seq_file *s, - const struct nf_conn *conntrack) -{ - return 0; -} - /* Returns verdict for packet, or -1 for invalid. */ static int icmp_packet(struct nf_conn *ct, const struct sk_buff *skb, @@ -309,7 +302,6 @@ struct nf_conntrack_l4proto nf_conntrack_l4proto_icmp __read_mostly = .pkt_to_tuple = icmp_pkt_to_tuple, .invert_tuple = icmp_invert_tuple, .print_tuple = icmp_print_tuple, - .print_conntrack = icmp_print_conntrack, .packet = icmp_packet, .new = icmp_new, .error = icmp_error, diff --git a/net/ipv6/netfilter/nf_conntrack_proto_icmpv6.c b/net/ipv6/netfilter/nf_conntrack_proto_icmpv6.c index 02d60dfbab8..da924c6b5f0 100644 --- a/net/ipv6/netfilter/nf_conntrack_proto_icmpv6.c +++ b/net/ipv6/netfilter/nf_conntrack_proto_icmpv6.c @@ -75,13 +75,6 @@ static int icmpv6_print_tuple(struct seq_file *s, ntohs(tuple->src.u.icmp.id)); } -/* Print out the private part of the conntrack. */ -static int icmpv6_print_conntrack(struct seq_file *s, - const struct nf_conn *conntrack) -{ - return 0; -} - /* Returns verdict for packet, or -1 for invalid. */ static int icmpv6_packet(struct nf_conn *ct, const struct sk_buff *skb, @@ -275,7 +268,6 @@ struct nf_conntrack_l4proto nf_conntrack_l4proto_icmpv6 __read_mostly = .pkt_to_tuple = icmpv6_pkt_to_tuple, .invert_tuple = icmpv6_invert_tuple, .print_tuple = icmpv6_print_tuple, - .print_conntrack = icmpv6_print_conntrack, .packet = icmpv6_packet, .new = icmpv6_new, .error = icmpv6_error, diff --git a/net/netfilter/nf_conntrack_proto_generic.c b/net/netfilter/nf_conntrack_proto_generic.c index 13f81917964..22c5dcb6306 100644 --- a/net/netfilter/nf_conntrack_proto_generic.c +++ b/net/netfilter/nf_conntrack_proto_generic.c @@ -40,13 +40,6 @@ static int generic_print_tuple(struct seq_file *s, return 0; } -/* Print out the private part of the conntrack. */ -static int generic_print_conntrack(struct seq_file *s, - const struct nf_conn *state) -{ - return 0; -} - /* Returns verdict for packet, or -1 for invalid. */ static int packet(struct nf_conn *conntrack, const struct sk_buff *skb, @@ -104,7 +97,6 @@ struct nf_conntrack_l4proto nf_conntrack_l4proto_generic __read_mostly = .pkt_to_tuple = generic_pkt_to_tuple, .invert_tuple = generic_invert_tuple, .print_tuple = generic_print_tuple, - .print_conntrack = generic_print_conntrack, .packet = packet, .new = new, #ifdef CONFIG_SYSCTL diff --git a/net/netfilter/nf_conntrack_proto_udp.c b/net/netfilter/nf_conntrack_proto_udp.c index 7ac60731956..38487541108 100644 --- a/net/netfilter/nf_conntrack_proto_udp.c +++ b/net/netfilter/nf_conntrack_proto_udp.c @@ -60,13 +60,6 @@ static int udp_print_tuple(struct seq_file *s, ntohs(tuple->dst.u.udp.port)); } -/* Print out the private part of the conntrack. */ -static int udp_print_conntrack(struct seq_file *s, - const struct nf_conn *conntrack) -{ - return 0; -} - /* Returns verdict for packet, and may modify conntracktype */ static int udp_packet(struct nf_conn *conntrack, const struct sk_buff *skb, @@ -193,7 +186,6 @@ struct nf_conntrack_l4proto nf_conntrack_l4proto_udp4 __read_mostly = .pkt_to_tuple = udp_pkt_to_tuple, .invert_tuple = udp_invert_tuple, .print_tuple = udp_print_tuple, - .print_conntrack = udp_print_conntrack, .packet = udp_packet, .new = udp_new, .error = udp_error, @@ -221,7 +213,6 @@ struct nf_conntrack_l4proto nf_conntrack_l4proto_udp6 __read_mostly = .pkt_to_tuple = udp_pkt_to_tuple, .invert_tuple = udp_invert_tuple, .print_tuple = udp_print_tuple, - .print_conntrack = udp_print_conntrack, .packet = udp_packet, .new = udp_new, .error = udp_error, diff --git a/net/netfilter/nf_conntrack_proto_udplite.c b/net/netfilter/nf_conntrack_proto_udplite.c index 6518bcd17d6..070056d9bcd 100644 --- a/net/netfilter/nf_conntrack_proto_udplite.c +++ b/net/netfilter/nf_conntrack_proto_udplite.c @@ -59,13 +59,6 @@ static int udplite_print_tuple(struct seq_file *s, ntohs(tuple->dst.u.udp.port)); } -/* Print out the private part of the conntrack. */ -static int udplite_print_conntrack(struct seq_file *s, - const struct nf_conn *conntrack) -{ - return 0; -} - /* Returns verdict for packet, and may modify conntracktype */ static int udplite_packet(struct nf_conn *conntrack, const struct sk_buff *skb, @@ -198,7 +191,6 @@ static struct nf_conntrack_l4proto nf_conntrack_l4proto_udplite4 __read_mostly = .pkt_to_tuple = udplite_pkt_to_tuple, .invert_tuple = udplite_invert_tuple, .print_tuple = udplite_print_tuple, - .print_conntrack = udplite_print_conntrack, .packet = udplite_packet, .new = udplite_new, .error = udplite_error, @@ -222,7 +214,6 @@ static struct nf_conntrack_l4proto nf_conntrack_l4proto_udplite6 __read_mostly = .pkt_to_tuple = udplite_pkt_to_tuple, .invert_tuple = udplite_invert_tuple, .print_tuple = udplite_print_tuple, - .print_conntrack = udplite_print_conntrack, .packet = udplite_packet, .new = udplite_new, .error = udplite_error, diff --git a/net/netfilter/nf_conntrack_standalone.c b/net/netfilter/nf_conntrack_standalone.c index d54ca78502c..696074a037c 100644 --- a/net/netfilter/nf_conntrack_standalone.c +++ b/net/netfilter/nf_conntrack_standalone.c @@ -142,7 +142,7 @@ static int ct_seq_show(struct seq_file *s, void *v) ? (long)(conntrack->timeout.expires - jiffies)/HZ : 0) != 0) return -ENOSPC; - if (l4proto->print_conntrack(s, conntrack)) + if (l4proto->print_conntrack && l4proto->print_conntrack(s, conntrack)) return -ENOSPC; if (print_tuple(s, &conntrack->tuplehash[IP_CT_DIR_ORIGINAL].tuple, -- 2.46.0