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Diffstat (limited to 'net/ipv6/esp6.c')
-rw-r--r--net/ipv6/esp6.c17
1 files changed, 11 insertions, 6 deletions
diff --git a/net/ipv6/esp6.c b/net/ipv6/esp6.c
index db1521fcda5b..282f3723ee19 100644
--- a/net/ipv6/esp6.c
+++ b/net/ipv6/esp6.c
@@ -39,6 +39,7 @@
#include <linux/random.h>
#include <linux/slab.h>
#include <linux/spinlock.h>
+#include <net/ip6_route.h>
#include <net/icmp.h>
#include <net/ipv6.h>
#include <net/protocol.h>
@@ -166,8 +167,6 @@ static int esp6_output(struct xfrm_state *x, struct sk_buff *skb)
struct esp_data *esp = x->data;
/* skb is pure payload to encrypt */
- err = -ENOMEM;
-
aead = esp->aead;
alen = crypto_aead_authsize(aead);
@@ -202,8 +201,10 @@ static int esp6_output(struct xfrm_state *x, struct sk_buff *skb)
}
tmp = esp_alloc_tmp(aead, nfrags + sglists, seqhilen);
- if (!tmp)
+ if (!tmp) {
+ err = -ENOMEM;
goto error;
+ }
seqhi = esp_tmp_seqhi(tmp);
iv = esp_tmp_iv(aead, tmp, seqhilen);
@@ -433,15 +434,19 @@ static void esp6_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, (const xfrm_address_t *)&iph->daddr,
esph->spi, IPPROTO_ESP, AF_INET6);
if (!x)
return;
- pr_debug("pmtu discovery on SA ESP/%08x/%pI6\n",
- ntohl(esph->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);
}