diff options
author | Eric W. Biederman <ebiederm@xmission.com> | 2012-05-25 15:42:45 -0400 |
---|---|---|
committer | Eric W. Biederman <ebiederm@xmission.com> | 2012-08-15 00:55:28 -0400 |
commit | af4c6641f5ad445fe6d0832da42406dbd9a37ce4 (patch) | |
tree | d1ef8c8fafb5cde0f55b7efd174c3d2032a58180 /net/sched/cls_tcindex.c | |
parent | 9eea9515cb5f3a4416511ef54b1cc98ca04869a1 (diff) |
net sched: Pass the skb into change so it can access NETLINK_CB
cls_flow.c plays with uids and gids. Unless I misread that
code it is possible for classifiers to depend on the specific uid and
gid values. Therefore I need to know the user namespace of the
netlink socket that is installing the packet classifiers. Pass
in the rtnetlink skb so I can access the NETLINK_CB of the passed
packet. In particular I want access to sk_user_ns(NETLINK_CB(in_skb).ssk).
Pass in not the user namespace but the incomming rtnetlink skb into
the the classifier change routines as that is generally the more useful
parameter.
Cc: Jamal Hadi Salim <jhs@mojatatu.com>
Acked-by: David S. Miller <davem@davemloft.net>
Acked-by: Serge Hallyn <serge.hallyn@canonical.com>
Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Diffstat (limited to 'net/sched/cls_tcindex.c')
-rw-r--r-- | net/sched/cls_tcindex.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/net/sched/cls_tcindex.c b/net/sched/cls_tcindex.c index fe29420d0b0e..a1293b4ab7a1 100644 --- a/net/sched/cls_tcindex.c +++ b/net/sched/cls_tcindex.c | |||
@@ -332,7 +332,8 @@ errout: | |||
332 | } | 332 | } |
333 | 333 | ||
334 | static int | 334 | static int |
335 | tcindex_change(struct tcf_proto *tp, unsigned long base, u32 handle, | 335 | tcindex_change(struct sk_buff *in_skb, |
336 | struct tcf_proto *tp, unsigned long base, u32 handle, | ||
336 | struct nlattr **tca, unsigned long *arg) | 337 | struct nlattr **tca, unsigned long *arg) |
337 | { | 338 | { |
338 | struct nlattr *opt = tca[TCA_OPTIONS]; | 339 | struct nlattr *opt = tca[TCA_OPTIONS]; |