From: Damjan Marion <damarion@cisco.com>
Date: Wed, 21 Mar 2018 21:27:46 +0000 (+0100)
Subject: udp: make udp encap pool cacheline aligned
X-Git-Tag: v18.04-rc1~87
X-Git-Url: https://gerrit.fd.io/r/gitweb?a=commitdiff_plain;h=7b0b9612eebd0cd5c25f1c4e032638b16f1ee39b;p=vpp.git

udp: make udp encap pool cacheline aligned

This fixes issue with unaligned vector access on gcc-7.
As udp_encap_t is declared as cacheline aligned, alloc also need to be.

Change-Id: Ic30876911baf2c22c135097490075fa7bcf0ca18
Signed-off-by: Damjan Marion <damarion@cisco.com>
---

diff --git a/src/vnet/udp/udp_encap.c b/src/vnet/udp/udp_encap.c
index 8005fa57e70..4b4d5412ca7 100644
--- a/src/vnet/udp/udp_encap.c
+++ b/src/vnet/udp/udp_encap.c
@@ -81,7 +81,7 @@ udp_encap_add_and_lock (u32 id,
     {
       u8 pfx_len = 0;
 
-      pool_get (udp_encap_pool, ue);
+      pool_get_aligned (udp_encap_pool, ue, CLIB_CACHE_LINE_BYTES);
       uei = ue - udp_encap_pool;
 
       vlib_validate_combined_counter (&(udp_encap_counters), uei);