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authorPatrick McHardy <kaber@trash.net>2008-01-14 23:49:37 -0800
committerDavid S. Miller <davem@davemloft.net>2008-01-28 15:02:42 -0800
commitc71e9167081a6a0d2a076cda674b696b89bb31c2 (patch)
treed10434bc658ba40a51a76ab6916154d2d8d73331
parentc56cc9c07b049acc9d2ca97be0b540978c0c80bf (diff)
[NETFILTER]: nf_conntrack: make print_conntrack function optional for l4protos
Allows to remove five empty implementations. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--net/ipv4/netfilter/nf_conntrack_l3proto_ipv4_compat.c2
-rw-r--r--net/ipv4/netfilter/nf_conntrack_proto_icmp.c8
-rw-r--r--net/ipv6/netfilter/nf_conntrack_proto_icmpv6.c8
-rw-r--r--net/netfilter/nf_conntrack_proto_generic.c8
-rw-r--r--net/netfilter/nf_conntrack_proto_udp.c9
-rw-r--r--net/netfilter/nf_conntrack_proto_udplite.c9
-rw-r--r--net/netfilter/nf_conntrack_standalone.c2
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,