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authorEric W. Biederman <ebiederm@xmission.com>2012-05-25 23:42:45 +0400
committerEric W. Biederman <ebiederm@xmission.com>2012-08-15 08:55:28 +0400
commitaf4c6641f5ad445fe6d0832da42406dbd9a37ce4 (patch)
treed1ef8c8fafb5cde0f55b7efd174c3d2032a58180 /include/net/sch_generic.h
parent9eea9515cb5f3a4416511ef54b1cc98ca04869a1 (diff)
downloadlinux-af4c6641f5ad445fe6d0832da42406dbd9a37ce4.tar.xz
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 'include/net/sch_generic.h')
-rw-r--r--include/net/sch_generic.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/include/net/sch_generic.h b/include/net/sch_generic.h
index d9611e032418..4616f468d599 100644
--- a/include/net/sch_generic.h
+++ b/include/net/sch_generic.h
@@ -188,7 +188,8 @@ struct tcf_proto_ops {
unsigned long (*get)(struct tcf_proto*, u32 handle);
void (*put)(struct tcf_proto*, unsigned long);
- int (*change)(struct tcf_proto*, unsigned long,
+ int (*change)(struct sk_buff *,
+ struct tcf_proto*, unsigned long,
u32 handle, struct nlattr **,
unsigned long *);
int (*delete)(struct tcf_proto*, unsigned long);