ffmuc-ebpf-clat: make icmp offset parameters u32 (possible error cause)

DasSkelett · DasSkelett · commit ef1a7b7e19f4 · 2026-01-31T00:09:00.000+01:00
diff --git a/ffmuc-ebpf-clat/src/clat.bpf.c b/ffmuc-ebpf-clat/src/clat.bpf.c
@@ -95,7 +95,7 @@ static int update_udp_4to6(struct __sk_buff *skb, __u32 offset) {
 	return TC_ACT_OK;
 }
 
-static int update_icmp_4to6(struct __sk_buff *skb, __u16 offset, struct ipv6hdr *ip6) {
+static int update_icmp_4to6(struct __sk_buff *skb, __u32 offset, struct ipv6hdr *ip6) {
 	if (!ip6) {
 		return TC_ACT_SHOT;
 	}
@@ -351,7 +351,7 @@ static int update_udp_6to4(struct __sk_buff *skb, __u32 offset) {
 	return TC_ACT_OK;
 }
 
-static int update_icmp_6to4(struct __sk_buff *skb, __u16 offset, struct iphdr *ip, struct ipv6hdr *ip6) {
+static int update_icmp_6to4(struct __sk_buff *skb, __u32 offset, struct iphdr *ip, struct ipv6hdr *ip6) {
 	if (!ip || !ip6) {
 		return TC_ACT_SHOT;
 	}

Original file line number	Diff line number	Diff line change
`@@ -95,7 +95,7 @@ static int update_udp_4to6(struct __sk_buff *skb, __u32 offset) {`
`95`	`95`	`return TC_ACT_OK;`
`96`	`96`	`}`
`97`	`97`
`98`		`-static int update_icmp_4to6(struct __sk_buff skb, __u16 offset, struct ipv6hdr ip6) {`
	`98`	`+static int update_icmp_4to6(struct __sk_buff skb, __u32 offset, struct ipv6hdr ip6) {`
`99`	`99`	`if (!ip6) {`
`100`	`100`	`return TC_ACT_SHOT;`
`101`	`101`	`}`
`@@ -351,7 +351,7 @@ static int update_udp_6to4(struct __sk_buff *skb, __u32 offset) {`
`351`	`351`	`return TC_ACT_OK;`
`352`	`352`	`}`
`353`	`353`
`354`		`-static int update_icmp_6to4(struct __sk_buff skb, __u16 offset, struct iphdr ip, struct ipv6hdr *ip6) {`
	`354`	`+static int update_icmp_6to4(struct __sk_buff skb, __u32 offset, struct iphdr ip, struct ipv6hdr *ip6) {`
`355`	`355`	`if (!ip \|\| !ip6) {`
`356`	`356`	`return TC_ACT_SHOT;`
`357`	`357`	`}`