diff options
| author | Brian Haley <brian.haley@hp.com> | 2010-04-23 11:26:09 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2010-04-23 23:35:29 -0700 |
| commit | 4b340ae20d0e2366792abe70f46629e576adaf5e (patch) | |
| tree | b0c413a0348e722fbc23d45508224076b6e60f92 /include | |
| parent | 13b52cd44670e3359055e9918d0e766d89836425 (diff) | |
IPv6: Complete IPV6_DONTFRAG support
Finally add support to detect a local IPV6_DONTFRAG event
and return the relevant data to the user if they've enabled
IPV6_RECVPATHMTU on the socket. The next recvmsg() will
return no data, but have an IPV6_PATHMTU as ancillary data.
Signed-off-by: Brian Haley <brian.haley@hp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/ipv6.h | 2 | ||||
| -rw-r--r-- | include/net/ipv6.h | 2 |
2 files changed, 4 insertions, 0 deletions
diff --git a/include/linux/ipv6.h b/include/linux/ipv6.h index 1976942cf6f..2ab5509f6d4 100644 --- a/include/linux/ipv6.h +++ b/include/linux/ipv6.h @@ -257,6 +257,7 @@ struct inet6_skb_parm { }; #define IP6CB(skb) ((struct inet6_skb_parm*)((skb)->cb)) +#define IP6CBMTU(skb) ((struct ip6_mtuinfo *)((skb)->cb)) static inline int inet6_iif(const struct sk_buff *skb) { @@ -366,6 +367,7 @@ struct ipv6_pinfo { struct ipv6_txoptions *opt; struct sk_buff *pktoptions; + struct sk_buff *rxpmtu; struct { struct ipv6_txoptions *opt; u8 hop_limit; diff --git a/include/net/ipv6.h b/include/net/ipv6.h index 7ab6323e631..eba5cc00325 100644 --- a/include/net/ipv6.h +++ b/include/net/ipv6.h @@ -578,9 +578,11 @@ extern int ip6_datagram_connect(struct sock *sk, struct sockaddr *addr, int addr_len); extern int ipv6_recv_error(struct sock *sk, struct msghdr *msg, int len); +extern int ipv6_recv_rxpmtu(struct sock *sk, struct msghdr *msg, int len); extern void ipv6_icmp_error(struct sock *sk, struct sk_buff *skb, int err, __be16 port, u32 info, u8 *payload); extern void ipv6_local_error(struct sock *sk, int err, struct flowi *fl, u32 info); +extern void ipv6_local_rxpmtu(struct sock *sk, struct flowi *fl, u32 mtu); extern int inet6_release(struct socket *sock); extern int inet6_bind(struct socket *sock, struct sockaddr *uaddr, |