diff options
author | Paul Moore <paul.moore@hp.com> | 2006-09-25 15:56:09 -0700 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2006-09-25 15:56:09 -0700 |
commit | fcd48280643e92ec6cb29a04e9079dd7b6b5bfef (patch) | |
tree | c594e16a021262e97f8b41493529c95bd616529e /include/net/netlabel.h | |
parent | 4fe5d5c07ab615a52fd1b0ceba5aeed7c612821a (diff) | |
download | kernel_samsung_espresso10-fcd48280643e92ec6cb29a04e9079dd7b6b5bfef.zip kernel_samsung_espresso10-fcd48280643e92ec6cb29a04e9079dd7b6b5bfef.tar.gz kernel_samsung_espresso10-fcd48280643e92ec6cb29a04e9079dd7b6b5bfef.tar.bz2 |
[NetLabel]: rework the Netlink attribute handling (part 1)
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>
Diffstat (limited to 'include/net/netlabel.h')
-rw-r--r-- | include/net/netlabel.h | 49 |
1 files changed, 2 insertions, 47 deletions
diff --git a/include/net/netlabel.h b/include/net/netlabel.h index bf7b564..6692430 100644 --- a/include/net/netlabel.h +++ b/include/net/netlabel.h @@ -57,9 +57,8 @@ * The payload is dependent on the subsystem specified in the * 'nlmsghdr->nlmsg_type' and should be defined below, supporting functions * should be defined in the corresponding net/netlabel/netlabel_<subsys>.h|c - * file. All of the fields in the NetLabel payload are NETLINK attributes, the - * length of each field is the length of the NETLINK attribute payload, see - * include/net/netlink.h for more information on NETLINK attributes. + * file. All of the fields in the NetLabel payload are NETLINK attributes, see + * the include/net/netlink.h file for more information on NETLINK attributes. * */ @@ -82,50 +81,6 @@ #define NETLBL_NLTYPE_UNLABELED 5 #define NETLBL_NLTYPE_UNLABELED_NAME "NLBL_UNLBL" -/* NetLabel return codes */ -#define NETLBL_E_OK 0 - -/* - * Helper functions - */ - -#define NETLBL_LEN_U8 nla_total_size(sizeof(u8)) -#define NETLBL_LEN_U16 nla_total_size(sizeof(u16)) -#define NETLBL_LEN_U32 nla_total_size(sizeof(u32)) - -/** - * netlbl_netlink_alloc_skb - Allocate a NETLINK message buffer - * @head: the amount of headroom in bytes - * @body: the desired size (minus headroom) in bytes - * @gfp_flags: the alloc flags to pass to alloc_skb() - * - * Description: - * Allocate a NETLINK message buffer based on the sizes given in @head and - * @body. If @head is greater than zero skb_reserve() is called to reserve - * @head bytes at the start of the buffer. Returns a valid sk_buff pointer on - * success, NULL on failure. - * - */ -static inline struct sk_buff *netlbl_netlink_alloc_skb(size_t head, - size_t body, - gfp_t gfp_flags) -{ - struct sk_buff *skb; - - skb = alloc_skb(NLMSG_ALIGN(head + body), gfp_flags); - if (skb == NULL) - return NULL; - if (head > 0) { - skb_reserve(skb, head); - if (skb_tailroom(skb) < body) { - kfree_skb(skb); - return NULL; - } - } - - return skb; -} - /* * NetLabel - Kernel API for accessing the network packet label mappings. * |