__be16 oldport, __be16 newport)
{
tcph->check =
- ip_vs_check_diff(~oldip, newip,
- ip_vs_check_diff(oldport ^ htons(0xFFFF),
- newport, tcph->check));
+ csum_fold(ip_vs_check_diff4(oldip, newip,
+ ip_vs_check_diff2(oldport, newport,
+ ~csum_unfold(tcph->check))));
}
static struct list_head tcp_apps[TCP_APP_TAB_SIZE];
static DEFINE_SPINLOCK(tcp_app_lock);
-static inline __u16 tcp_app_hashkey(__u16 port)
+static inline __u16 tcp_app_hashkey(__be16 port)
{
- return ((port >> TCP_APP_TAB_BITS) ^ port) & TCP_APP_TAB_MASK;
+ return (((__force u16)port >> TCP_APP_TAB_BITS) ^ (__force u16)port)
+ & TCP_APP_TAB_MASK;
}
static int tcp_register_app(struct ip_vs_app *inc)
{
struct ip_vs_app *i;
- __u16 hash, port = inc->port;
+ __u16 hash;
+ __be16 port = inc->port;
int ret = 0;
hash = tcp_app_hashkey(port);