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| author | Jamal Hadi Salim <hadi@cyberus.ca> | 2006-12-04 19:31:51 -0800 |
|---|---|---|
| committer | David S. Miller <davem@sunset.davemloft.net> | 2006-12-06 18:38:41 -0800 |
| commit | 334c29a64507dda187565dd0db0403de3d70ec8b (patch) | |
| tree | a01eb4f714f598806e6362f6c291e5dc77e29463 | |
| parent | 620034c84d1d939717bdfbe02c51a3fee43541c3 (diff) | |
| download | linux-3.10-334c29a64507dda187565dd0db0403de3d70ec8b.tar.gz linux-3.10-334c29a64507dda187565dd0db0403de3d70ec8b.tar.bz2 linux-3.10-334c29a64507dda187565dd0db0403de3d70ec8b.zip | |
[GENETLINK]: Move command capabilities to flags.
This patch moves command capabilities to command flags. Other than
being cleaner, saves several bytes.
We increment the nlctrl version so as to signal to user space that
to not expect the attributes. We will try to be careful
not to do this too often ;->
Signed-off-by: Jamal Hadi Salim <hadi@cyberus.ca>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | include/linux/genetlink.h | 6 | ||||
| -rw-r--r-- | net/netlink/genetlink.c | 18 |
2 files changed, 11 insertions, 13 deletions
diff --git a/include/linux/genetlink.h b/include/linux/genetlink.h index 9049dc65ae5..f7a93770e1b 100644 --- a/include/linux/genetlink.h +++ b/include/linux/genetlink.h @@ -17,6 +17,9 @@ struct genlmsghdr { #define GENL_HDRLEN NLMSG_ALIGN(sizeof(struct genlmsghdr)) #define GENL_ADMIN_PERM 0x01 +#define GENL_CMD_CAP_DO 0x02 +#define GENL_CMD_CAP_DUMP 0x04 +#define GENL_CMD_CAP_HASPOL 0x08 /* * List of reserved static generic netlink identifiers: @@ -58,9 +61,6 @@ enum { CTRL_ATTR_OP_UNSPEC, CTRL_ATTR_OP_ID, CTRL_ATTR_OP_FLAGS, - CTRL_ATTR_OP_POLICY, - CTRL_ATTR_OP_DOIT, - CTRL_ATTR_OP_DUMPIT, __CTRL_ATTR_OP_MAX, }; diff --git a/net/netlink/genetlink.c b/net/netlink/genetlink.c index b9b03747c1f..b5df749cba8 100644 --- a/net/netlink/genetlink.c +++ b/net/netlink/genetlink.c @@ -143,6 +143,13 @@ int genl_register_ops(struct genl_family *family, struct genl_ops *ops) goto errout; } + if (ops->dumpit) + ops->flags |= GENL_CMD_CAP_DO; + if (ops->doit) + ops->flags |= GENL_CMD_CAP_DUMP; + if (ops->policy) + ops->flags |= GENL_CMD_CAP_HASPOL; + genl_lock(); list_add_tail(&ops->ops_list, &family->ops_list); genl_unlock(); @@ -387,7 +394,7 @@ static void genl_rcv(struct sock *sk, int len) static struct genl_family genl_ctrl = { .id = GENL_ID_CTRL, .name = "nlctrl", - .version = 0x1, + .version = 0x2, .maxattr = CTRL_ATTR_MAX, }; @@ -425,15 +432,6 @@ static int ctrl_fill_info(struct genl_family *family, u32 pid, u32 seq, NLA_PUT_U32(skb, CTRL_ATTR_OP_ID, ops->cmd); NLA_PUT_U32(skb, CTRL_ATTR_OP_FLAGS, ops->flags); - if (ops->policy) - NLA_PUT_FLAG(skb, CTRL_ATTR_OP_POLICY); - - if (ops->doit) - NLA_PUT_FLAG(skb, CTRL_ATTR_OP_DOIT); - - if (ops->dumpit) - NLA_PUT_FLAG(skb, CTRL_ATTR_OP_DUMPIT); - nla_nest_end(skb, nest); } |