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| author | Julian Anastasov | 2017-02-06 22:14:12 +0100 |
|---|---|---|
| committer | David S. Miller | 2017-02-07 19:07:46 +0100 |
| commit | 4ff0620354f2b39b9fe2a91c22c4de9d1fba0c8e (patch) | |
| tree | 1d29569c1059553f11c2da53df68f3698df92906 /include/linux/skbuff.h | |
| parent | sock: add sk_dst_pending_confirm flag (diff) | |
| download | kernel-qcow2-linux-4ff0620354f2b39b9fe2a91c22c4de9d1fba0c8e.tar.gz kernel-qcow2-linux-4ff0620354f2b39b9fe2a91c22c4de9d1fba0c8e.tar.xz kernel-qcow2-linux-4ff0620354f2b39b9fe2a91c22c4de9d1fba0c8e.zip | |
net: add dst_pending_confirm flag to skbuff
Add new skbuff flag to allow protocols to confirm neighbour.
When same struct dst_entry can be used for many different
neighbours we can not use it for pending confirmations.
Add sock_confirm_neigh() helper to confirm the neighbour and
use it for IPv4, IPv6 and VRF before dst_neigh_output.
Signed-off-by: Julian Anastasov <ja@ssi.bg>
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/linux/skbuff.h')
| -rw-r--r-- | include/linux/skbuff.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h index c6a78e1892b6..f1adddc1c5ac 100644 --- a/include/linux/skbuff.h +++ b/include/linux/skbuff.h @@ -612,6 +612,7 @@ static inline bool skb_mstamp_after(const struct skb_mstamp *t1, * @wifi_acked_valid: wifi_acked was set * @wifi_acked: whether frame was acked on wifi or not * @no_fcs: Request NIC to treat last 4 bytes as Ethernet FCS + * @dst_pending_confirm: need to confirm neighbour * @napi_id: id of the NAPI struct this skb came from * @secmark: security marking * @mark: Generic packet mark @@ -741,6 +742,7 @@ struct sk_buff { __u8 csum_level:2; __u8 csum_bad:1; + __u8 dst_pending_confirm:1; #ifdef CONFIG_IPV6_NDISC_NODETYPE __u8 ndisc_nodetype:2; #endif @@ -3698,6 +3700,16 @@ static inline bool skb_rx_queue_recorded(const struct sk_buff *skb) return skb->queue_mapping != 0; } +static inline void skb_set_dst_pending_confirm(struct sk_buff *skb, u32 val) +{ + skb->dst_pending_confirm = val; +} + +static inline bool skb_get_dst_pending_confirm(const struct sk_buff *skb) +{ + return skb->dst_pending_confirm != 0; +} + static inline struct sec_path *skb_sec_path(struct sk_buff *skb) { #ifdef CONFIG_XFRM |