#include <asm/byteorder.h>
-static inline __u8 ipv4_get_dsfield(struct iphdr *iph)
+static inline __u8 ipv4_get_dsfield(const struct iphdr *iph)
{
return iph->tos;
}
-static inline __u8 ipv6_get_dsfield(struct ipv6hdr *ipv6h)
+static inline __u8 ipv6_get_dsfield(const struct ipv6hdr *ipv6h)
{
- return ntohs(*(__be16 *) ipv6h) >> 4;
+ return ntohs(*(const __be16 *)ipv6h) >> 4;
}