diff options
| author |   Florin Coras <fcoras@cisco.com> | 2018-06-01 12:22:23 -0700 |
|---|---|---|
| committer |   Dave Barach <openvpp@barachs.net> | 2018-06-04 11:09:25 +0000 |
| commit | 3a0325f9cab7838c21b19698b89cfc65e3236085 (patch) | |
| tree | b5addaa466251d1cd771c9772b1810f69e048dd9 /src/vnet/ip/lookup.h | |
| parent | 61f7912466098773f789bd3ce57431e5dcff8978 (diff) | |
ip: save fib index for buffer in ip lookup
Avoids recomputing the fib index in ip local for locally delivered
packets and should incur no extra cost when forwarding packets.
Change-Id: Id826ffa8206392087327f154337eabc8a801b4d7
Signed-off-by: Florin Coras <fcoras@cisco.com>
Diffstat (limited to 'src/vnet/ip/lookup.h')
| -rw-r--r-- | src/vnet/ip/lookup.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/src/vnet/ip/lookup.h b/src/vnet/ip/lookup.h index a89546f5d92..ecabd817a00 100644 --- a/src/vnet/ip/lookup.h +++ b/src/vnet/ip/lookup.h @@ -211,6 +211,18 @@ do { \ } while (0) /* *INDENT-ON* */ +always_inline void +ip_lookup_set_buffer_fib_index (u32 * fib_index_by_sw_if_index, + vlib_buffer_t * b) +{ + vnet_buffer (b)->ip.fib_index = + vec_elt (fib_index_by_sw_if_index, vnet_buffer (b)->sw_if_index[VLIB_RX]); + vnet_buffer (b)->ip.fib_index = + (vnet_buffer (b)->sw_if_index[VLIB_TX] == + (u32) ~ 0) ? vnet_buffer (b)->ip. + fib_index : vnet_buffer (b)->sw_if_index[VLIB_TX]; +} + typedef struct _vnet_ip_container_proxy_args { fib_prefix_t prefix; |