summaryrefslogtreecommitdiffstats
path: root/include/libnetfilter_queue/libnetfilter_queue_tcp.h
diff options
context:
space:
mode:
authorPablo Neira Ayuso <pablo@netfilter.org>2012-05-14 13:14:14 +0200
committerPablo Neira Ayuso <pablo@netfilter.org>2012-08-06 14:49:55 +0200
commitf40eabb01163f383e2471942da45f32361031e39 (patch)
tree1a27a16cac2e83bb6fada0db0a8e0deb1b68f5ac /include/libnetfilter_queue/libnetfilter_queue_tcp.h
parenta0c885ae5a79457aa592cb70c27a7dee619762a4 (diff)
add pkt_buff and protocol helper functions
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Diffstat (limited to 'include/libnetfilter_queue/libnetfilter_queue_tcp.h')
-rw-r--r--include/libnetfilter_queue/libnetfilter_queue_tcp.h18
1 files changed, 18 insertions, 0 deletions
diff --git a/include/libnetfilter_queue/libnetfilter_queue_tcp.h b/include/libnetfilter_queue/libnetfilter_queue_tcp.h
new file mode 100644
index 0000000..cc965f5
--- /dev/null
+++ b/include/libnetfilter_queue/libnetfilter_queue_tcp.h
@@ -0,0 +1,18 @@
+#ifndef _LIBNFQUEUE_TCP_H_
+#define _LIBNFQUEUE_TCP_H_
+
+struct pkt_buff;
+
+struct tcphdr *nfq_tcp_get_hdr(struct pkt_buff *pktb);
+void *nfq_tcp_get_payload(struct tcphdr *tcph, struct pkt_buff *pktb);
+unsigned int nfq_tcp_get_payload_len(struct tcphdr *tcph, struct pkt_buff *pktb);
+
+struct iphdr;
+struct ip6_hdr;
+
+void nfq_tcp_compute_checksum_ipv4(struct tcphdr *tcph, struct iphdr *iph);
+void nfq_tcp_compute_checksum_ipv6(struct tcphdr *tcph, struct ip6_hdr *ip6h);
+
+int nfq_tcp_snprintf(char *buf, size_t size, const struct tcphdr *tcp);
+
+#endif