diff options
| author | Patrick McHardy | 2013-04-17 06:47:02 +0000 |
|---|---|---|
| committer | David S. Miller | 2013-04-19 14:57:57 -0400 |
| commit | 9652e931e73be7e54a9c40e9bcd4bbdafe92a406 (patch) | |
| tree | b943a75e53e22e9dcdb26558d971ac25af566a02 /include | |
| parent | ccdfcc398594ddf3f77348c5a10938dbe9efefbe (diff) | |
netlink: add mmap'ed netlink helper functions
Add helper functions for looking up mmap'ed frame headers, reading and
writing their status, allocating skbs with mmap'ed data areas and a poll
function.
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/netlink.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/include/linux/netlink.h b/include/linux/netlink.h index d8e9264ae04a..07c473848dbd 100644 --- a/include/linux/netlink.h +++ b/include/linux/netlink.h @@ -15,10 +15,17 @@ static inline struct nlmsghdr *nlmsg_hdr(const struct sk_buff *skb) return (struct nlmsghdr *)skb->data; } +enum netlink_skb_flags { + NETLINK_SKB_MMAPED = 0x1, /* Packet data is mmaped */ + NETLINK_SKB_TX = 0x2, /* Packet was sent by userspace */ + NETLINK_SKB_DELIVERED = 0x4, /* Packet was delivered */ +}; + struct netlink_skb_parms { struct scm_creds creds; /* Skb credentials */ __u32 portid; __u32 dst_group; + __u32 flags; struct sock *sk; }; |