passt: Drop <linux/ipv6.h> include, carry own ipv6hdr and opt_hdr definitions

This is the only remaining Linux-specific include -- drop it to avoid
clang-tidy warnings and to make code more portable.

Signed-off-by: Stefano Brivio <sbrivio@redhat.com>

1 files changed, 0 insertions, 1 deletions

diff --git a/icmp.c b/icmp.c
index cc76da7..67859e0 100644
--- a/icmp.c
+++ b/icmp.c
@@ -30,7 +30,6 @@
 #include <time.h>
 
 #include <linux/icmpv6.h>
-#include <linux/ipv6.h>
 
 #include "util.h"
 #include "passt.h"