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authorJohn Hurley <john.hurley@netronome.com>2017-09-25 12:23:35 +0200
committerDavid S. Miller <davem@davemloft.net>2017-09-26 21:27:35 -0700
commit79ede4ae2d01b0282bfaaf761308a5ac485c8144 (patch)
treefd2a157e0391cb0e258c9bfa549fad08ce0ff5aa /drivers/net/ethernet/netronome/nfp/flower/cmsg.h
parent14a0d032f4ecd9a82294665bd65b4a0480496198 (diff)
nfp: add helper to get flower cmsg length
Add a helper function that returns the length of the cmsg data when given the cmsg skb Signed-off-by: John Hurley <john.hurley@netronome.com> Signed-off-by: Simon Horman <simon.horman@netronome.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/netronome/nfp/flower/cmsg.h')
-rw-r--r--drivers/net/ethernet/netronome/nfp/flower/cmsg.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/net/ethernet/netronome/nfp/flower/cmsg.h b/drivers/net/ethernet/netronome/nfp/flower/cmsg.h
index a2ec60344236..7a5ccf0cc7c2 100644
--- a/drivers/net/ethernet/netronome/nfp/flower/cmsg.h
+++ b/drivers/net/ethernet/netronome/nfp/flower/cmsg.h
@@ -323,6 +323,11 @@ static inline void *nfp_flower_cmsg_get_data(struct sk_buff *skb)
return (unsigned char *)skb->data + NFP_FLOWER_CMSG_HLEN;
}
+static inline int nfp_flower_cmsg_get_data_len(struct sk_buff *skb)
+{
+ return skb->len - NFP_FLOWER_CMSG_HLEN;
+}
+
struct sk_buff *
nfp_flower_cmsg_mac_repr_start(struct nfp_app *app, unsigned int num_ports);
void