diff options
Diffstat (limited to 'net/ipv6')
| -rw-r--r-- | net/ipv6/mip6.c | 49 |
1 files changed, 0 insertions, 49 deletions
diff --git a/net/ipv6/mip6.c b/net/ipv6/mip6.c index bc560e1664aa..fba3b56a7dd2 100644 --- a/net/ipv6/mip6.c +++ b/net/ipv6/mip6.c @@ -247,54 +247,6 @@ static int mip6_destopt_reject(struct xfrm_state *x, struct sk_buff *skb, return err; } -static int mip6_destopt_offset(struct xfrm_state *x, struct sk_buff *skb, - u8 **nexthdr) -{ - u16 offset = sizeof(struct ipv6hdr); - struct ipv6_opt_hdr *exthdr = - (struct ipv6_opt_hdr *)(ipv6_hdr(skb) + 1); - const unsigned char *nh = skb_network_header(skb); - unsigned int packet_len = skb_tail_pointer(skb) - - skb_network_header(skb); - int found_rhdr = 0; - - *nexthdr = &ipv6_hdr(skb)->nexthdr; - - while (offset + 1 <= packet_len) { - - switch (**nexthdr) { - case NEXTHDR_HOP: - break; - case NEXTHDR_ROUTING: - found_rhdr = 1; - break; - case NEXTHDR_DEST: - /* - * HAO MUST NOT appear more than once. - * XXX: It is better to try to find by the end of - * XXX: packet if HAO exists. - */ - if (ipv6_find_tlv(skb, offset, IPV6_TLV_HAO) >= 0) { - net_dbg_ratelimited("mip6: hao exists already, override\n"); - return offset; - } - - if (found_rhdr) - return offset; - - break; - default: - return offset; - } - - offset += ipv6_optlen(exthdr); - *nexthdr = &exthdr->nexthdr; - exthdr = (struct ipv6_opt_hdr *)(nh + offset); - } - - return offset; -} - static int mip6_destopt_init_state(struct xfrm_state *x) { if (x->id.spi) { @@ -332,7 +284,6 @@ static const struct xfrm_type mip6_destopt_type = { .input = mip6_destopt_input, .output = mip6_destopt_output, .reject = mip6_destopt_reject, - .hdr_offset = mip6_destopt_offset, }; static int mip6_rthdr_input(struct xfrm_state *x, struct sk_buff *skb) |