diff options
Diffstat (limited to 'net/ipv6/ah6.c')
| -rw-r--r-- | net/ipv6/ah6.c | 41 |
1 files changed, 23 insertions, 18 deletions
diff --git a/net/ipv6/ah6.c b/net/ipv6/ah6.c index 2ae79dbeec2f..7e6139508ee7 100644 --- a/net/ipv6/ah6.c +++ b/net/ipv6/ah6.c @@ -24,6 +24,8 @@ * This file is derived from net/ipv4/ah.c. */ +#define pr_fmt(fmt) "IPv6: " fmt + #include <crypto/hash.h> #include <linux/module.h> #include <linux/slab.h> @@ -33,6 +35,7 @@ #include <linux/pfkeyv2.h> #include <linux/string.h> #include <linux/scatterlist.h> +#include <net/ip6_route.h> #include <net/icmp.h> #include <net/ipv6.h> #include <net/protocol.h> @@ -111,7 +114,7 @@ static inline struct scatterlist *ah_req_sg(struct crypto_ahash *ahash, __alignof__(struct scatterlist)); } -static int zero_out_mutable_opts(struct ipv6_opt_hdr *opthdr) +static bool zero_out_mutable_opts(struct ipv6_opt_hdr *opthdr) { u8 *opt = (u8 *)opthdr; int len = ipv6_optlen(opthdr); @@ -125,7 +128,7 @@ static int zero_out_mutable_opts(struct ipv6_opt_hdr *opthdr) switch (opt[off]) { - case IPV6_TLV_PAD0: + case IPV6_TLV_PAD1: optlen = 1; break; default: @@ -143,10 +146,10 @@ static int zero_out_mutable_opts(struct ipv6_opt_hdr *opthdr) len -= optlen; } if (len == 0) - return 1; + return true; bad: - return 0; + return false; } #if defined(CONFIG_IPV6_MIP6) || defined(CONFIG_IPV6_MIP6_MODULE) @@ -169,7 +172,7 @@ static void ipv6_rearrange_destopt(struct ipv6hdr *iph, struct ipv6_opt_hdr *des switch (opt[off]) { - case IPV6_TLV_PAD0: + case IPV6_TLV_PAD1: optlen = 1; break; default: @@ -189,8 +192,8 @@ static void ipv6_rearrange_destopt(struct ipv6hdr *iph, struct ipv6_opt_hdr *des hao = (struct ipv6_destopt_hao *)&opt[off]; if (hao->length != sizeof(hao->addr)) { - if (net_ratelimit()) - printk(KERN_WARNING "destopt hao: invalid header length: %u\n", hao->length); + net_warn_ratelimited("destopt hao: invalid header length: %u\n", + hao->length); goto bad; } final_addr = hao->addr; @@ -610,16 +613,18 @@ static void ah6_err(struct sk_buff *skb, struct inet6_skb_parm *opt, struct xfrm_state *x; if (type != ICMPV6_DEST_UNREACH && - type != ICMPV6_PKT_TOOBIG) + type != ICMPV6_PKT_TOOBIG && + type != NDISC_REDIRECT) return; x = xfrm_state_lookup(net, skb->mark, (xfrm_address_t *)&iph->daddr, ah->spi, IPPROTO_AH, AF_INET6); if (!x) return; - NETDEBUG(KERN_DEBUG "pmtu discovery on SA AH/%08x/%pI6\n", - ntohl(ah->spi), &iph->daddr); - + if (type == NDISC_REDIRECT) + ip6_redirect(skb, net, 0, 0); + else + ip6_update_pmtu(skb, net, info, 0, 0); xfrm_state_put(x); } @@ -659,9 +664,9 @@ static int ah6_init_state(struct xfrm_state *x) if (aalg_desc->uinfo.auth.icv_fullbits/8 != crypto_ahash_digestsize(ahash)) { - printk(KERN_INFO "AH: %s digestsize %u != %hu\n", - x->aalg->alg_name, crypto_ahash_digestsize(ahash), - aalg_desc->uinfo.auth.icv_fullbits/8); + pr_info("AH: %s digestsize %u != %hu\n", + x->aalg->alg_name, crypto_ahash_digestsize(ahash), + aalg_desc->uinfo.auth.icv_fullbits/8); goto error; } @@ -727,12 +732,12 @@ static const struct inet6_protocol ah6_protocol = { static int __init ah6_init(void) { if (xfrm_register_type(&ah6_type, AF_INET6) < 0) { - printk(KERN_INFO "ipv6 ah init: can't add xfrm type\n"); + pr_info("%s: can't add xfrm type\n", __func__); return -EAGAIN; } if (inet6_add_protocol(&ah6_protocol, IPPROTO_AH) < 0) { - printk(KERN_INFO "ipv6 ah init: can't add protocol\n"); + pr_info("%s: can't add protocol\n", __func__); xfrm_unregister_type(&ah6_type, AF_INET6); return -EAGAIN; } @@ -743,10 +748,10 @@ static int __init ah6_init(void) static void __exit ah6_fini(void) { if (inet6_del_protocol(&ah6_protocol, IPPROTO_AH) < 0) - printk(KERN_INFO "ipv6 ah close: can't remove protocol\n"); + pr_info("%s: can't remove protocol\n", __func__); if (xfrm_unregister_type(&ah6_type, AF_INET6) < 0) - printk(KERN_INFO "ipv6 ah close: can't remove xfrm type\n"); + pr_info("%s: can't remove xfrm type\n", __func__); } |