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Improve protocol check.

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This commit is contained in:
Christian Deacon
2025-03-25 11:47:41 -04:00
parent 60fcd6fc5a
commit 1a637cffab
1 changed files with 3 additions and 2 deletions
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5
src/xdp/prog.c
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@@ -90,8 +90,8 @@ int xdp_prog_main(struct xdp_md *ctx)
} }
#endif #endif
// We only want to process TCP, UDP, and ICMP packets. // We only want to process TCP, UDP, and ICMP protocols.
if ((iph6 && iph6->nexthdr != IPPROTO_UDP && iph6->nexthdr != IPPROTO_TCP && iph6->nexthdr != IPPROTO_ICMP) && (iph && iph->protocol != IPPROTO_UDP && iph->protocol != IPPROTO_TCP && iph->protocol != IPPROTO_ICMP)) if ((iph && iph->protocol != IPPROTO_UDP && iph->protocol != IPPROTO_TCP && iph->protocol != IPPROTO_ICMP) || (iph6 && iph6->nexthdr != IPPROTO_UDP && iph6->nexthdr != IPPROTO_TCP && iph6->nexthdr != IPPROTO_ICMP))
{ {
inc_pkt_stats(stats, STATS_TYPE_PASSED); inc_pkt_stats(stats, STATS_TYPE_PASSED);
@@ -162,6 +162,7 @@ int xdp_prog_main(struct xdp_md *ctx)
struct tcphdr *tcph = NULL; struct tcphdr *tcph = NULL;
struct udphdr *udph = NULL; struct udphdr *udph = NULL;
struct icmphdr *icmph = NULL; struct icmphdr *icmph = NULL;
struct icmp6hdr *icmp6h = NULL; struct icmp6hdr *icmp6h = NULL;
u16 src_port = 0; u16 src_port = 0;