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[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>
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@ -121,7 +121,7 @@ static int ct_seq_show(struct seq_file *s, void *v)
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? (long)(ct->timeout.expires - jiffies)/HZ : 0) != 0)
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return -ENOSPC;
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if (l4proto->print_conntrack(s, ct))
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if (l4proto->print_conntrack && l4proto->print_conntrack(s, ct))
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return -ENOSPC;
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if (print_tuple(s, &ct->tuplehash[IP_CT_DIR_ORIGINAL].tuple,
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@ -74,13 +74,6 @@ static int icmp_print_tuple(struct seq_file *s,
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ntohs(tuple->src.u.icmp.id));
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}
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/* Print out the private part of the conntrack. */
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static int icmp_print_conntrack(struct seq_file *s,
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const struct nf_conn *conntrack)
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{
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return 0;
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}
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/* Returns verdict for packet, or -1 for invalid. */
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static int icmp_packet(struct nf_conn *ct,
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const struct sk_buff *skb,
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@ -309,7 +302,6 @@ struct nf_conntrack_l4proto nf_conntrack_l4proto_icmp __read_mostly =
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.pkt_to_tuple = icmp_pkt_to_tuple,
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.invert_tuple = icmp_invert_tuple,
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.print_tuple = icmp_print_tuple,
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.print_conntrack = icmp_print_conntrack,
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.packet = icmp_packet,
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.new = icmp_new,
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.error = icmp_error,
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@ -75,13 +75,6 @@ static int icmpv6_print_tuple(struct seq_file *s,
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ntohs(tuple->src.u.icmp.id));
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}
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/* Print out the private part of the conntrack. */
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static int icmpv6_print_conntrack(struct seq_file *s,
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const struct nf_conn *conntrack)
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{
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return 0;
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}
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/* Returns verdict for packet, or -1 for invalid. */
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static int icmpv6_packet(struct nf_conn *ct,
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const struct sk_buff *skb,
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@ -275,7 +268,6 @@ struct nf_conntrack_l4proto nf_conntrack_l4proto_icmpv6 __read_mostly =
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.pkt_to_tuple = icmpv6_pkt_to_tuple,
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.invert_tuple = icmpv6_invert_tuple,
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.print_tuple = icmpv6_print_tuple,
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.print_conntrack = icmpv6_print_conntrack,
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.packet = icmpv6_packet,
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.new = icmpv6_new,
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.error = icmpv6_error,
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@ -40,13 +40,6 @@ static int generic_print_tuple(struct seq_file *s,
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return 0;
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}
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/* Print out the private part of the conntrack. */
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static int generic_print_conntrack(struct seq_file *s,
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const struct nf_conn *state)
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{
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return 0;
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}
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/* Returns verdict for packet, or -1 for invalid. */
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static int packet(struct nf_conn *conntrack,
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const struct sk_buff *skb,
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@ -104,7 +97,6 @@ struct nf_conntrack_l4proto nf_conntrack_l4proto_generic __read_mostly =
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.pkt_to_tuple = generic_pkt_to_tuple,
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.invert_tuple = generic_invert_tuple,
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.print_tuple = generic_print_tuple,
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.print_conntrack = generic_print_conntrack,
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.packet = packet,
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.new = new,
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#ifdef CONFIG_SYSCTL
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@ -60,13 +60,6 @@ static int udp_print_tuple(struct seq_file *s,
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ntohs(tuple->dst.u.udp.port));
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}
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/* Print out the private part of the conntrack. */
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static int udp_print_conntrack(struct seq_file *s,
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const struct nf_conn *conntrack)
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{
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return 0;
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}
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/* Returns verdict for packet, and may modify conntracktype */
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static int udp_packet(struct nf_conn *conntrack,
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const struct sk_buff *skb,
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@ -193,7 +186,6 @@ struct nf_conntrack_l4proto nf_conntrack_l4proto_udp4 __read_mostly =
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.pkt_to_tuple = udp_pkt_to_tuple,
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.invert_tuple = udp_invert_tuple,
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.print_tuple = udp_print_tuple,
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.print_conntrack = udp_print_conntrack,
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.packet = udp_packet,
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.new = udp_new,
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.error = udp_error,
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@ -221,7 +213,6 @@ struct nf_conntrack_l4proto nf_conntrack_l4proto_udp6 __read_mostly =
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.pkt_to_tuple = udp_pkt_to_tuple,
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.invert_tuple = udp_invert_tuple,
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.print_tuple = udp_print_tuple,
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.print_conntrack = udp_print_conntrack,
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.packet = udp_packet,
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.new = udp_new,
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.error = udp_error,
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@ -59,13 +59,6 @@ static int udplite_print_tuple(struct seq_file *s,
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ntohs(tuple->dst.u.udp.port));
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}
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/* Print out the private part of the conntrack. */
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static int udplite_print_conntrack(struct seq_file *s,
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const struct nf_conn *conntrack)
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{
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return 0;
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}
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/* Returns verdict for packet, and may modify conntracktype */
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static int udplite_packet(struct nf_conn *conntrack,
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const struct sk_buff *skb,
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@ -198,7 +191,6 @@ static struct nf_conntrack_l4proto nf_conntrack_l4proto_udplite4 __read_mostly =
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.pkt_to_tuple = udplite_pkt_to_tuple,
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.invert_tuple = udplite_invert_tuple,
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.print_tuple = udplite_print_tuple,
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.print_conntrack = udplite_print_conntrack,
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.packet = udplite_packet,
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.new = udplite_new,
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.error = udplite_error,
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@ -222,7 +214,6 @@ static struct nf_conntrack_l4proto nf_conntrack_l4proto_udplite6 __read_mostly =
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.pkt_to_tuple = udplite_pkt_to_tuple,
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.invert_tuple = udplite_invert_tuple,
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.print_tuple = udplite_print_tuple,
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.print_conntrack = udplite_print_conntrack,
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.packet = udplite_packet,
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.new = udplite_new,
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.error = udplite_error,
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@ -142,7 +142,7 @@ static int ct_seq_show(struct seq_file *s, void *v)
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? (long)(conntrack->timeout.expires - jiffies)/HZ : 0) != 0)
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return -ENOSPC;
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if (l4proto->print_conntrack(s, conntrack))
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if (l4proto->print_conntrack && l4proto->print_conntrack(s, conntrack))
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return -ENOSPC;
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if (print_tuple(s, &conntrack->tuplehash[IP_CT_DIR_ORIGINAL].tuple,
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