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Send FIN packet to vxlan tunnel, make sure conntrack not established on host #2

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Send FIN packet to vxlan tunnel, make sure conntrack not established on host #2

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6 changes: 6 additions & 0 deletions tc_prog/common_kern.h
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Original file line number Diff line number Diff line change
Expand Up @@ -26,6 +26,9 @@ int parse_5tuple_in(struct iphdr * iph, void *data_end, struct fivetuple* tuple)
tuple->protocol = iph->protocol;
if (proto == IPPROTO_TCP) {
struct tcphdr *tcphdr = (struct tcphdr *)(iph + 1);
if (tcphdr->fin) {
return 1;
}
tuple->rport = tcphdr->source;
tuple->lport = tcphdr->dest;
} else if (proto == IPPROTO_UDP) {
Expand All @@ -50,6 +53,9 @@ int parse_5tuple_e(struct iphdr * iph, void *data_end, struct fivetuple* tuple)
tuple->protocol = iph->protocol;
if (proto == IPPROTO_TCP) {
struct tcphdr *tcphdr = (struct tcphdr *)(iph + 1);
if (tcphdr->fin) {
return 1;
}
tuple->lport = tcphdr->source;
tuple->rport = tcphdr->dest;
} else if (proto == IPPROTO_UDP) {
Expand Down