xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

genetlink: bring back per op policy

Browse Source 
Add policy to the struct genl_ops structure, this time
with maxattr, so it can be used properly.

Propagate .policy and .maxattr from the family
in genl_get_cmd() if needed, this way the rest of the
code does not have to worry if the policy is per op
or global.

Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Reviewed-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jakub Kicinski
2020-10-02 14:49:57 -07:00
committed by David S. Miller
parent 78ade619c1
commit 48526a0f4c
2 changed files with 17 additions and 5 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
include/net/genetlink.h
View File

@@ -137,6 +137,8 @@ struct genl_small_ops {
* @cmd: command identifier
* @internal_flags: flags used by the family
* @flags: flags
* @maxattr: maximum number of attributes supported
* @policy: netlink policy (takes precedence over family policy)
* @doit: standard command callback
* @start: start callback for dumps
* @dumpit: callback for dumpers
@@ -149,6 +151,8 @@ struct genl_ops {
int (*dumpit)(struct sk_buff *skb,
struct netlink_callback *cb);
int (*done)(struct netlink_callback *cb);
const struct nla_policy *policy;
unsigned int maxattr;
u8 cmd;
u8 internal_flags;
u8 flags;