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[NetLabel]: rework the Netlink attribute handling (part 1)

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At the suggestion of Thomas Graf, rewrite NetLabel's use of Netlink attributes
to better follow the common Netlink attribute usage.

Signed-off-by: Paul Moore <paul.moore@hp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Paul Moore 2006-09-25 15:56:09 -07:00 • committed by David S. Miller
parent 4fe5d5c07a
commit fcd4828064
7 changed files with 77 additions and 605 deletions
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82
net/netlabel/netlabel_user.c
View file

@ -74,85 +74,3 @@ int netlbl_netlink_init(void)
return 0;
}
/*
* NetLabel Common Protocol Functions
*/
/**
* netlbl_netlink_send_ack - Send an ACK message
* @info: the generic NETLINK information
* @genl_family: the generic NETLINK family ID value
* @ack_cmd: the generic NETLINK family ACK command value
* @ret_code: return code to use
*
* Description:
* This function sends an ACK message to the sender of the NETLINK message
* specified by @info.
*
*/
void netlbl_netlink_send_ack(const struct genl_info *info,
u32 genl_family,
u8 ack_cmd,
u32 ret_code)
{
size_t data_size;
struct sk_buff *skb;
data_size = GENL_HDRLEN + 2 * NETLBL_LEN_U32;
skb = netlbl_netlink_alloc_skb(0, data_size, GFP_KERNEL);
if (skb == NULL)
return;
if (netlbl_netlink_hdr_put(skb,
info->snd_pid,
0,
genl_family,
ack_cmd) == NULL)
goto send_ack_failure;
if (nla_put_u32(skb, NLA_U32, info->snd_seq) != 0)
goto send_ack_failure;
if (nla_put_u32(skb, NLA_U32, ret_code) != 0)
goto send_ack_failure;
netlbl_netlink_snd(skb, info->snd_pid);
return;
send_ack_failure:
kfree_skb(skb);
}
/*
* NETLINK I/O Functions
*/
/**
* netlbl_netlink_snd - Send a NetLabel message
* @skb: NetLabel message
* @pid: destination PID
*
* Description:
* Sends a unicast NetLabel message over the NETLINK socket.
*
*/
int netlbl_netlink_snd(struct sk_buff *skb, u32 pid)
{
return genlmsg_unicast(skb, pid);
}
/**
* netlbl_netlink_snd - Send a NetLabel message
* @skb: NetLabel message
* @pid: sending PID
* @group: multicast group id
*
* Description:
* Sends a multicast NetLabel message over the NETLINK socket to all members
* of @group except @pid.
*
*/
int netlbl_netlink_snd_multicast(struct sk_buff *skb, u32 pid, u32 group)
{
return genlmsg_multicast(skb, pid, group, GFP_KERNEL);
}