/***
* rt_udp_close
*/
int rt_udp_close(struct rtdm_dev_context *context, int call_flags)
{
struct rtsocket *sock = (struct rtsocket *)&context->dev_private;
struct rtskb *del;
int port;
unsigned long flags;
rtos_spin_lock_irqsave(&udp_socket_base_lock, flags);
sock->prot.inet.state = TCP_CLOSE;
if (sock->prot.inet.reg_index >= 0) {
port = sock->prot.inet.reg_index;
clear_bit(port % 32, &port_bitmap[port / 32]);
sock->prot.inet.reg_index = -1;
}
rtos_spin_unlock_irqrestore(&udp_socket_base_lock, flags);
/* cleanup already collected fragments */
rt_ip_frag_invalidate_socket(sock);
/* free packets in incoming queue */
while ((del = rtskb_dequeue(&sock->incoming)) != NULL)
kfree_rtskb(del);
return rt_socket_cleanup(context);
}
/***
* rt_udp_close
*/
int rt_udp_close(struct rtdm_dev_context *sockctx,
rtdm_user_info_t *user_info)
{
struct rtsocket *sock = (struct rtsocket *)&sockctx->dev_private;
struct rtskb *del;
int port;
rtdm_lockctx_t context;
rtdm_lock_get_irqsave(&udp_socket_base_lock, context);
sock->prot.inet.state = TCP_CLOSE;
if (sock->prot.inet.reg_index >= 0) {
port = sock->prot.inet.reg_index;
clear_bit(port % 32, &port_bitmap[port / 32]);
free_ports++;
sock->prot.inet.reg_index = -1;
}
rtdm_lock_put_irqrestore(&udp_socket_base_lock, context);
/* cleanup already collected fragments */
rt_ip_frag_invalidate_socket(sock);
/* free packets in incoming queue */
while ((del = rtskb_dequeue(&sock->incoming)) != NULL)
kfree_rtskb(del);
return rt_socket_cleanup(sockctx);
}
void rt_icmp_cleanup_echo_requests(void)
{
unsigned long flags;
struct list_head *entry = &echo_calls;
struct list_head *next;
rtos_spin_lock_irqsave(&echo_calls_lock, flags);
entry = echo_calls.next;
INIT_LIST_HEAD(&echo_calls);
rtos_spin_unlock_irqrestore(&echo_calls_lock, flags);
while (entry != &echo_calls) {
next = entry->next;
rtpc_complete_call_nrt((struct rt_proc_call *)entry, -EINTR);
entry = next;
}
/* purge any pending ICMP fragments */
rt_ip_frag_invalidate_socket(&icmp_socket);
}
void rt_icmp_cleanup_echo_requests(void)
{
rtdm_lockctx_t context;
struct list_head *entry;
struct list_head *next;
rtdm_lock_get_irqsave(&echo_calls_lock, context);
entry = echo_calls.next;
INIT_LIST_HEAD(&echo_calls);
rtdm_lock_put_irqrestore(&echo_calls_lock, context);
while (entry != &echo_calls) {
next = entry->next;
rtpc_complete_call_nrt((struct rt_proc_call *)entry, -EINTR);
entry = next;
}
/* purge any pending ICMP fragments */
rt_ip_frag_invalidate_socket(icmp_socket);
}
/***
* rt_udp_close
*/
int rt_udp_close(struct rtsocket *s)
{
unsigned long flags;
struct rtsocket *prev=s->prev;
struct rtsocket *next=s->next;
struct rtskb *del;
s->state=TCP_CLOSE;
rtos_spin_lock_irqsave(&udp_socket_base_lock, flags);
prev=s->prev;
next=s->next;
if (prev != NULL)
prev->next = next;
if (next != NULL)
next->prev = prev;
if (s == udp_sockets)
udp_sockets = next;
rtos_spin_unlock_irqrestore(&udp_socket_base_lock, flags);
s->next = NULL;
s->prev = NULL;
/* cleanup already collected fragments */
rt_ip_frag_invalidate_socket(s);
/* free packets in incoming queue */
while ((del = rtskb_dequeue(&s->incoming)) != NULL)
kfree_rtskb(del);
return 0;
}