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| author | John Hurley <john.hurley@netronome.com> | 2017-09-25 12:23:35 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-09-26 21:27:35 -0700 |
| commit | 79ede4ae2d01b0282bfaaf761308a5ac485c8144 (patch) | |
| tree | fd2a157e0391cb0e258c9bfa549fad08ce0ff5aa | |
| parent | 14a0d032f4ecd9a82294665bd65b4a0480496198 (diff) | |
| download | op-kernel-dev-79ede4ae2d01b0282bfaaf761308a5ac485c8144.zip op-kernel-dev-79ede4ae2d01b0282bfaaf761308a5ac485c8144.tar.gz | |
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>
| -rw-r--r-- | drivers/net/ethernet/netronome/nfp/flower/cmsg.h | 5 | ||||
| -rw-r--r-- | drivers/net/ethernet/netronome/nfp/flower/metadata.c | 2 |
2 files changed, 6 insertions, 1 deletions
diff --git a/drivers/net/ethernet/netronome/nfp/flower/cmsg.h b/drivers/net/ethernet/netronome/nfp/flower/cmsg.h index a2ec603..7a5ccf0 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 diff --git a/drivers/net/ethernet/netronome/nfp/flower/metadata.c b/drivers/net/ethernet/netronome/nfp/flower/metadata.c index 3226ddc..193520e 100644 --- a/drivers/net/ethernet/netronome/nfp/flower/metadata.c +++ b/drivers/net/ethernet/netronome/nfp/flower/metadata.c @@ -140,7 +140,7 @@ exit_rcu_unlock: void nfp_flower_rx_flow_stats(struct nfp_app *app, struct sk_buff *skb) { - unsigned int msg_len = skb->len - NFP_FLOWER_CMSG_HLEN; + unsigned int msg_len = nfp_flower_cmsg_get_data_len(skb); struct nfp_fl_stats_frame *stats_frame; unsigned char *msg; int i; |
