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Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec-next

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Steffen Klassert says:

====================
1)  Allow to avoid copying DSCP during encapsulation
    by setting a SA flag. From Nicolas Dichtel.

2) Constify the netlink dispatch table, no need to modify it
   at runtime. From Mathias Krause.
====================

Signed-off-by: David S. Miller <[email protected]>
This commit is contained in:
David S. Miller 2013-04-11 16:14:37 -04:00
commit 16e3d9648a
7 changed files with 32 additions and 6 deletions
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1
net/xfrm/xfrm_state.c
View file

@ -1187,6 +1187,7 @@ static struct xfrm_state *xfrm_state_clone(struct xfrm_state *orig, int *errp)
goto error;
x->props.flags = orig->props.flags;
x->props.extra_flags = orig->props.extra_flags;
x->curlft.add_time = orig->curlft.add_time;
x->km.state = orig->km.state;

17
net/xfrm/xfrm_user.c
View file

@ -515,6 +515,9 @@ static struct xfrm_state *xfrm_state_construct(struct net *net,
copy_from_user_state(x, p);
if (attrs[XFRMA_SA_EXTRA_FLAGS])
x->props.extra_flags = nla_get_u32(attrs[XFRMA_SA_EXTRA_FLAGS]);
if ((err = attach_aead(&x->aead, &x->props.ealgo,
attrs[XFRMA_ALG_AEAD])))
goto error;
@ -779,6 +782,13 @@ static int copy_to_user_state_extra(struct xfrm_state *x,
copy_to_user_state(x, p);
if (x->props.extra_flags) {
ret = nla_put_u32(skb, XFRMA_SA_EXTRA_FLAGS,
x->props.extra_flags);
if (ret)
goto out;
}
if (x->coaddr) {
ret = nla_put(skb, XFRMA_COADDR, sizeof(*x->coaddr), x->coaddr);
if (ret)
@ -2302,9 +2312,10 @@ static const struct nla_policy xfrma_policy[XFRMA_MAX+1] = {
[XFRMA_MARK] = { .len = sizeof(struct xfrm_mark) },
[XFRMA_TFCPAD] = { .type = NLA_U32 },
[XFRMA_REPLAY_ESN_VAL] = { .len = sizeof(struct xfrm_replay_state_esn) },
[XFRMA_SA_EXTRA_FLAGS] = { .type = NLA_U32 },
};
static struct xfrm_link {
static const struct xfrm_link {
int (*doit)(struct sk_buff *, struct nlmsghdr *, struct nlattr **);
int (*dump)(struct sk_buff *, struct netlink_callback *);
int (*done)(struct netlink_callback *);
@ -2338,7 +2349,7 @@ static int xfrm_user_rcv_msg(struct sk_buff *skb, struct nlmsghdr *nlh)
{
struct net *net = sock_net(skb->sk);
struct nlattr *attrs[XFRMA_MAX+1];
struct xfrm_link *link;
const struct xfrm_link *link;
int type, err;
type = nlh->nlmsg_type;
@ -2495,6 +2506,8 @@ static inline size_t xfrm_sa_len(struct xfrm_state *x)
x->security->ctx_len);
if (x->coaddr)
l += nla_total_size(sizeof(*x->coaddr));
if (x->props.extra_flags)
l += nla_total_size(sizeof(x->props.extra_flags));
/* Must count x->lastused as it may become non-zero behind our back. */
l += nla_total_size(sizeof(u64));