uip_backlog.c

#include <app_util_platform.h>
#include <nrf_nvic.h>
#include "lib/dlist.h"
#include "net/uip.h"
#include "net/uip_backlog.h"

extern void arch_uip_backlog_cleanup(struct dlist_t *backlog);
extern void arch_uip_backlog_release(struct dlist_t *link);
extern void arch_uip_backlog_rexmit(struct dlist_t *link);
extern uint32_t arch_uip_backlog_seq(struct dlist_t *link);

void uip_backlog_cleanup(struct dlist_t *backlog)
{
  CRITICAL_REGION_ENTER();
  while (!dlist_is_empty(backlog)) {
    arch_uip_backlog_release(dlist_del(backlog->next));
  }
  arch_uip_backlog_cleanup(backlog);
  CRITICAL_REGION_EXIT();
}

void uip_backlog_release(struct dlist_t *backlog, uint32_t seq)
{
  CRITICAL_REGION_ENTER();
  while (!dlist_is_empty(backlog)) {
    int diff = arch_uip_backlog_seq(backlog->next) - seq;
    if (diff > 0)
      break;
    arch_uip_backlog_release(dlist_del(backlog->next));
  }
  CRITICAL_REGION_EXIT();
}

void uip_backlog_rexmit(struct dlist_t *backlog)
{
  CRITICAL_REGION_ENTER();
  while (!dlist_is_empty(backlog)) {
    arch_uip_backlog_rexmit(dlist_del(backlog->next));
  }
  CRITICAL_REGION_EXIT();
}