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bpf: clat: remove commented code

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The rewrite of IPv6 header inside a ICMP error needs to be
implemented. Remove the unused comments for now.
This commit is contained in:
Beniamino Galvani 2025-10-03 17:05:12 +02:00
parent 1aa9bc1f5e
commit 930b035118
1 changed files with 0 additions and 28 deletions
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28
src/core/bpf/clat.bpf.c
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@ -591,34 +591,6 @@ clat_translate_v6(struct __sk_buff *skb,
if ((void *) (new_icmp + 1) > data_end)
goto icmp_out;
/* int type = (*new_icmp).type; */
/* switch (type) { */
/* case ICMP_TIME_EXCEEDED: */
/* case ICMP_DEST_UNREACH: */
/* nh->pos = new_icmp + 1; */
/* if (clat_translate_v6(skb, nh, data_end, &dst_hdr_icmp, 1)) { */
/* DBG("Bad embedded v6?"); */
/* goto out; */
/* } */
/* if (((__u8 *)(new_icmp + 1)) + sizeof(dst_hdr_icmp) >= data_end) { */
/* DBG("ICMP header is out of bounds"); */
/* goto out; */
/* } */
/* memcpy(new_icmp + 1, &dst_hdr_icmp, sizeof(dst_hdr_icmp)); // dst_hdr.ihl * 4 */
/* /\* Scoot the payload up against the v4 header *\/ */
/* /\* (Note: We can't use a normal memmove here because clang only supports */
/* constexpr lengths!) *\/ */
/* clat_memmove(((__u8 *)(new_icmp + 1)) + sizeof(dst_hdr), */
/* ((__u8 *)(new_icmp + 1)) + sizeof(struct ipv6hdr), */
/* skb, */
/* dst_hdr.tot_len - (dst_hdr.ihl * 4)); */
/* /\* TODO: Translate ICMP Extension length *\/ */
/* break; */
/* } */
update_icmp_checksum(skb, ip6h, &old_icmp6, new_icmp, false);
icmp_out: