Replace rss_m2cpuid with rss_soft_m2cpuid_v4 for ip_direct_nh.nh_m2cpuid,

because the RSS hash may need to be recalculated.

Submitted by:	Tiwei Bie <btw@mail.ustc.edu.cn>
Differential Revision:	https://reviews.freebsd.org/D3564

sys/netinet/ip_input.c

@@ -160,7 +160,7 @@ static struct netisr_handler ip_direct_nh = {
 	.nh_name = "ip_direct",
 	.nh_handler = ip_direct_input,
 	.nh_proto = NETISR_IP_DIRECT,
-	.nh_m2cpuid = rss_m2cpuid,
+	.nh_m2cpuid = rss_soft_m2cpuid_v4,
 	.nh_policy = NETISR_POLICY_CPU,
 	.nh_dispatch = NETISR_DISPATCH_HYBRID,
 };