extern void dccp_send_sync(struct sock *sk, const u64 seq,
const enum dccp_pkt_type pkt_type);
-extern int dccp_write_xmit(struct sock *sk, struct sk_buff *skb,
- const int len);
+extern int dccp_write_xmit(struct sock *sk, struct sk_buff *skb, long *timeo);
+extern void dccp_write_space(struct sock *sk);
extern void dccp_init_xmit_timers(struct sock *sk);
static inline void dccp_clear_xmit_timers(struct sock *sk)
extern void dccp_ackpkts_check_rcv_ackno(struct dccp_ackpkts *ap,
struct sock *sk, u64 ackno);
+static inline suseconds_t timeval_usecs(const struct timeval *tv)
+{
+ return tv->tv_sec * USEC_PER_SEC + tv->tv_usec;
+}
+
+static inline suseconds_t timeval_delta(const struct timeval *large,
+ const struct timeval *small)
+{
+ time_t secs = large->tv_sec - small->tv_sec;
+ suseconds_t usecs = large->tv_usec - small->tv_usec;
+
+ if (usecs < 0) {
+ secs--;
+ usecs += USEC_PER_SEC;
+ }
+ return secs * USEC_PER_SEC + usecs;
+}
+
+static inline void timeval_add_usecs(struct timeval *tv,
+ const suseconds_t usecs)
+{
+ tv->tv_usec += usecs;
+ while (tv->tv_usec >= USEC_PER_SEC) {
+ tv->tv_sec++;
+ tv->tv_usec -= USEC_PER_SEC;
+ }
+}
+
+static inline void timeval_sub_usecs(struct timeval *tv,
+ const suseconds_t usecs)
+{
+ tv->tv_usec -= usecs;
+ while (tv->tv_usec < 0) {
+ tv->tv_sec--;
+ tv->tv_usec += USEC_PER_SEC;
+ }
+}
+
/*
* Returns the difference in usecs between timeval
* passed in and current time
*/
-static inline u32 now_delta(struct timeval tv)
+static inline suseconds_t timeval_now_delta(const struct timeval *tv)
{
struct timeval now;
-
do_gettimeofday(&now);
- return (now.tv_sec - tv.tv_sec) * USEC_PER_SEC +
- (now.tv_usec - tv.tv_usec);
+ return timeval_delta(&now, tv);
}
#ifdef CONFIG_IP_DCCP_DEBUG