static int
vr_do_flow_action(struct vrouter *router, struct vr_flow_entry *fe,
unsigned int index, struct vr_packet *pkt,
unsigned short proto, struct vr_forwarding_md *fmd)
{
uint32_t new_stats;
new_stats = __sync_add_and_fetch(&fe->fe_stats.flow_bytes, pkt_len(pkt));
if (new_stats < pkt_len(pkt))
fe->fe_stats.flow_bytes_oflow++;
new_stats = __sync_add_and_fetch(&fe->fe_stats.flow_packets, 1);
if (!new_stats)
fe->fe_stats.flow_packets_oflow++;
if (fe->fe_action == VR_FLOW_ACTION_HOLD) {
if (vr_flow_queue_is_empty(router, fe)) {
vr_trap_flow(router, fe, pkt, index);
return vr_enqueue_flow(fe, pkt, proto, fmd);
} else {
vr_pfree(pkt, VP_DROP_FLOW_UNUSABLE);
return 0;
}
}
return vr_flow_action(router, fe, index, pkt, proto, fmd);
}
static flow_result_t
vr_do_flow_action(struct vrouter *router, struct vr_flow_entry *fe,
unsigned int index, struct vr_packet *pkt,
struct vr_forwarding_md *fmd)
{
uint32_t new_stats;
new_stats = __sync_add_and_fetch(&fe->fe_stats.flow_bytes, pkt_len(pkt));
if (new_stats < pkt_len(pkt))
fe->fe_stats.flow_bytes_oflow++;
new_stats = __sync_add_and_fetch(&fe->fe_stats.flow_packets, 1);
if (!new_stats)
fe->fe_stats.flow_packets_oflow++;
if (fe->fe_action == VR_FLOW_ACTION_HOLD) {
vr_enqueue_flow(router, fe, pkt, index, fmd);
return FLOW_HELD;
}
return vr_flow_action(router, fe, index, pkt, fmd);
}
