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| author | Alexey Dobriyan <adobriyan@gmail.com> | 2008-11-25 17:15:16 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2008-11-25 17:15:16 -0800 |
| commit | 673c09be457bb23aa0eaaa79804cbb342210d195 (patch) | |
| tree | 9948d1859bbcd07316f5cea239b86845d6061570 /net | |
| parent | d62ddc21b674b5ac1466091ff3fbf7baa53bc92c (diff) | |
| download | linux-stable-673c09be457bb23aa0eaaa79804cbb342210d195.tar.gz linux-stable-673c09be457bb23aa0eaaa79804cbb342210d195.tar.bz2 linux-stable-673c09be457bb23aa0eaaa79804cbb342210d195.zip | |
netns xfrm: add struct xfrm_state::xs_net
To avoid unnecessary complications with passing netns around.
* set once, very early after allocating
* once set, never changes
For a while create every xfrm_state in init_net.
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net')
| -rw-r--r-- | net/ipv4/ipcomp.c | 2 | ||||
| -rw-r--r-- | net/ipv6/ipcomp6.c | 2 | ||||
| -rw-r--r-- | net/key/af_key.c | 2 | ||||
| -rw-r--r-- | net/xfrm/xfrm_state.c | 9 | ||||
| -rw-r--r-- | net/xfrm/xfrm_user.c | 4 |
5 files changed, 10 insertions, 9 deletions
diff --git a/net/ipv4/ipcomp.c b/net/ipv4/ipcomp.c index ec8264ae45c2..0a35f1b6f22c 100644 --- a/net/ipv4/ipcomp.c +++ b/net/ipv4/ipcomp.c @@ -49,7 +49,7 @@ static struct xfrm_state *ipcomp_tunnel_create(struct xfrm_state *x) { struct xfrm_state *t; - t = xfrm_state_alloc(); + t = xfrm_state_alloc(&init_net); if (t == NULL) goto out; diff --git a/net/ipv6/ipcomp6.c b/net/ipv6/ipcomp6.c index d4576a9c154f..c369638e208a 100644 --- a/net/ipv6/ipcomp6.c +++ b/net/ipv6/ipcomp6.c @@ -76,7 +76,7 @@ static struct xfrm_state *ipcomp6_tunnel_create(struct xfrm_state *x) { struct xfrm_state *t = NULL; - t = xfrm_state_alloc(); + t = xfrm_state_alloc(&init_net); if (!t) goto out; diff --git a/net/key/af_key.c b/net/key/af_key.c index 5b22e011653b..bde8aad4cc93 100644 --- a/net/key/af_key.c +++ b/net/key/af_key.c @@ -1122,7 +1122,7 @@ static struct xfrm_state * pfkey_msg2xfrm_state(struct sadb_msg *hdr, (key->sadb_key_bits+7) / 8 > key->sadb_key_len * sizeof(uint64_t))) return ERR_PTR(-EINVAL); - x = xfrm_state_alloc(); + x = xfrm_state_alloc(&init_net); if (x == NULL) return ERR_PTR(-ENOBUFS); diff --git a/net/xfrm/xfrm_state.c b/net/xfrm/xfrm_state.c index 268fe3f9e498..81bde76d049c 100644 --- a/net/xfrm/xfrm_state.c +++ b/net/xfrm/xfrm_state.c @@ -504,13 +504,14 @@ out: static void xfrm_replay_timer_handler(unsigned long data); -struct xfrm_state *xfrm_state_alloc(void) +struct xfrm_state *xfrm_state_alloc(struct net *net) { struct xfrm_state *x; x = kzalloc(sizeof(struct xfrm_state), GFP_ATOMIC); if (x) { + write_pnet(&x->xs_net, net); atomic_set(&x->refcnt, 1); atomic_set(&x->tunnel_users, 0); INIT_LIST_HEAD(&x->km.all); @@ -835,7 +836,7 @@ xfrm_state_find(xfrm_address_t *daddr, xfrm_address_t *saddr, error = -EEXIST; goto out; } - x = xfrm_state_alloc(); + x = xfrm_state_alloc(&init_net); if (x == NULL) { error = -ENOMEM; goto out; @@ -1017,7 +1018,7 @@ static struct xfrm_state *__find_acq_core(unsigned short family, u8 mode, u32 re if (!create) return NULL; - x = xfrm_state_alloc(); + x = xfrm_state_alloc(&init_net); if (likely(x)) { switch (family) { case AF_INET: @@ -1125,7 +1126,7 @@ EXPORT_SYMBOL(xfrm_state_add); static struct xfrm_state *xfrm_state_clone(struct xfrm_state *orig, int *errp) { int err = -ENOMEM; - struct xfrm_state *x = xfrm_state_alloc(); + struct xfrm_state *x = xfrm_state_alloc(&init_net); if (!x) goto error; diff --git a/net/xfrm/xfrm_user.c b/net/xfrm/xfrm_user.c index ee15d5dd6544..65cdaa5c2280 100644 --- a/net/xfrm/xfrm_user.c +++ b/net/xfrm/xfrm_user.c @@ -320,7 +320,7 @@ static struct xfrm_state *xfrm_state_construct(struct xfrm_usersa_info *p, struct nlattr **attrs, int *errp) { - struct xfrm_state *x = xfrm_state_alloc(); + struct xfrm_state *x = xfrm_state_alloc(&init_net); int err = -ENOMEM; if (!x) @@ -1663,7 +1663,7 @@ static int xfrm_add_acquire(struct sk_buff *skb, struct nlmsghdr *nlh, struct nlattr *rt = attrs[XFRMA_TMPL]; struct xfrm_user_acquire *ua = nlmsg_data(nlh); - struct xfrm_state *x = xfrm_state_alloc(); + struct xfrm_state *x = xfrm_state_alloc(&init_net); int err = -ENOMEM; if (!x) |