static int efab_file_move_supported_tcp(ci_netif *ni, ci_tcp_state *ts)
{
#if CI_CFG_FD_CACHING
/* Don't support moving cached sockets for now */
if( ci_tcp_is_cached(ts) ||
!ci_ni_dllist_is_self_linked(ni, &ts->epcache_link) )
return false;
#endif
/* TCP closed: supported */
if( ts->s.b.state == CI_TCP_CLOSED )
return true;
/* everything except TCP connected is not supported */
if( !(ts->s.b.state & CI_TCP_STATE_TCP_CONN) )
return false;
if( ts->local_peer != OO_SP_NULL )
return false;
if( !(ts->tcpflags & CI_TCPT_FLAG_PASSIVE_OPENED) )
return false;
/* send queue is not supported
* NB: retrans_ptr is uninitialised when retrans was not used yet,
* so do not check for !OO_PP_IS_NULL(ts->retrans_ptr) */
if( !ci_ip_queue_is_empty(&ts->send) ||
ts->send_prequeue != OO_PP_ID_NULL ||
oo_atomic_read(&ts->send_prequeue_in) != 0 ||
!ci_ip_queue_is_empty(&ts->retrans) ||
ci_ip_timer_pending(ni, &ts->rto_tid) ||
ci_ip_timer_pending(ni, &ts->zwin_tid) ||
#if CI_CFG_TAIL_DROP_PROBE
ci_ip_timer_pending(ni, &ts->taildrop_tid) ||
#endif
ci_ip_timer_pending(ni, &ts->cork_tid) )
return false;
/* Sockets with allocated templates are not supported */
if( OO_PP_NOT_NULL(ts->tmpl_head) )
return false;
return true;
}
/*! Manage the statistics timer.
* If the time is 0 the timer will be killed.
* If the value is other than 0 then:
* If the timer is pending it will be modified
* else it will be set
*/
ci_inline void
ci_tcp_stats_handle_timer(ci_netif* ni, ci_tcp_state* ts,
ci_iptime_t timeout)
{
ci_ip_timer* it;
ci_assert( ni && ts );
it = &ts->stats_tid;
LOG_STATS( ci_log( "%s( %p, %p, %d)", __FUNCTION__, ni, ts, (int)timeout));
if( ci_ip_timer_pending(ni, it ) ) {
if( timeout == 0 )
ci_ip_timer_clear(ni, it );
else
ci_ip_timer_modify(ni, it, ci_tcp_time_now(ni)+timeout);
} else {
if( timeout != 0 )
ci_ip_timer_set(ni, it, ci_tcp_time_now(ni)+timeout);
}
}
static void
ci_tcp_listen_timer_set(ci_netif* ni, ci_tcp_socket_listen* tls,
ci_iptime_t timeout)
{
int i;
if( ! ci_ip_timer_pending(ni, &tls->listenq_tid) ) {
ci_ip_timer_set(ni, &tls->listenq_tid, timeout);
return;
}
for( i = 0; i <= CI_CFG_TCP_SYNACK_RETRANS_MAX; i++ ) {
ci_tcp_state_synrecv* tsr =
ci_tcp_link2synrecv(ci_ni_dllist_start(ni, &tls->listenq[i]));
if( TIME_LT(tsr->timeout, timeout) )
return;
}
ci_ip_timer_modify(ni, &tls->listenq_tid, timeout);
}