diff options
| author |   Vratko Polak <vrpolak@cisco.com> | 2019-04-23 15:52:28 +0200 |
|---|---|---|
| committer |   Damjan Marion <dmarion@me.com> | 2019-04-24 11:29:56 +0000 |
| commit | ea6a34c70fb7dd0da040b6be724d1ed38437eae4 (patch) | |
| tree | b46325f1a1c9f4e3a80c9ee6a6bee3f0aa2a17f1 /src | |
| parent | 52ef4c584e68c9fd31269b0eb47c778fd4762e57 (diff) | |
Rearrange prefetching in ipsec_output_inline
Change-Id: I6151e57643ebed42f51b795980db2c52084295ab
Signed-off-by: Vratko Polak <vrpolak@cisco.com>
Diffstat (limited to 'src')
| -rw-r--r-- | src/vnet/ipsec/ipsec_output.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/src/vnet/ipsec/ipsec_output.c b/src/vnet/ipsec/ipsec_output.c index 47eeb46d659..a37e8c2d777 100644 --- a/src/vnet/ipsec/ipsec_output.c +++ b/src/vnet/ipsec/ipsec_output.c @@ -205,18 +205,18 @@ ipsec_output_inline (vlib_main_t * vm, vlib_node_runtime_t * node, u64 bytes0; bi0 = from[0]; - bi1 = from[1]; b0 = vlib_get_buffer (vm, bi0); - b1 = vlib_get_buffer (vm, bi1); - sw_if_index0 = vnet_buffer (b0)->sw_if_index[VLIB_TX]; - iph_offset = vnet_buffer (b0)->ip.save_rewrite_length; - ip0 = (ip4_header_t *) ((u8 *) vlib_buffer_get_current (b0) - + iph_offset); if (n_left_from > 1) { + bi1 = from[1]; + b1 = vlib_get_buffer (vm, bi1); CLIB_PREFETCH (b1, CLIB_CACHE_LINE_BYTES * 2, STORE); vlib_prefetch_buffer_data (b1, LOAD); } + sw_if_index0 = vnet_buffer (b0)->sw_if_index[VLIB_TX]; + iph_offset = vnet_buffer (b0)->ip.save_rewrite_length; + ip0 = (ip4_header_t *) ((u8 *) vlib_buffer_get_current (b0) + + iph_offset); /* lookup for SPD only if sw_if_index is changed */ if (PREDICT_FALSE (last_sw_if_index != sw_if_index0)) |