version 1.267, 2008/04/23 06:09:04 |
version 1.270, 2008/05/02 13:40:32 |
|
|
* 2. Redistributions in binary form must reproduce the above copyright |
* 2. Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* documentation and/or other materials provided with the distribution. |
* 3. All advertising materials mentioning features or use of this software |
|
* must display the following acknowledgement: |
|
* This product includes software developed by the NetBSD |
|
* Foundation, Inc. and its contributors. |
|
* 4. Neither the name of The NetBSD Foundation nor the names of its |
|
* contributors may be used to endorse or promote products derived |
|
* from this software without specific prior written permission. |
|
* |
* |
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS |
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS |
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED |
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED |
|
|
int s; |
int s; |
struct mbuf *m; |
struct mbuf *m; |
|
|
|
mutex_enter(softnet_lock); |
|
KERNEL_LOCK(1, NULL); |
while (!IF_IS_EMPTY(&ipintrq)) { |
while (!IF_IS_EMPTY(&ipintrq)) { |
s = splnet(); |
s = splnet(); |
IF_DEQUEUE(&ipintrq, m); |
IF_DEQUEUE(&ipintrq, m); |
splx(s); |
splx(s); |
if (m == 0) |
if (m == NULL) |
return; |
break; |
ip_input(m); |
ip_input(m); |
} |
} |
|
KERNEL_UNLOCK_ONE(NULL); |
|
mutex_exit(softnet_lock); |
} |
} |
|
|
/* |
/* |
Line 1389 ip_slowtimo(void) |
|
Line 1386 ip_slowtimo(void) |
|
static u_int dropscanidx = 0; |
static u_int dropscanidx = 0; |
u_int i; |
u_int i; |
u_int median_ttl; |
u_int median_ttl; |
int s = splsoftnet(); |
|
|
mutex_enter(softnet_lock); |
|
KERNEL_LOCK(1, NULL); |
|
|
IPQ_LOCK(); |
IPQ_LOCK(); |
|
|
Line 1431 ip_slowtimo(void) |
|
Line 1430 ip_slowtimo(void) |
|
dropscanidx = i; |
dropscanidx = i; |
} |
} |
IPQ_UNLOCK(); |
IPQ_UNLOCK(); |
splx(s); |
|
|
KERNEL_UNLOCK_ONE(NULL); |
|
mutex_exit(softnet_lock); |
} |
} |
|
|
/* |
/* |
* Drain off all datagram fragments. |
* Drain off all datagram fragments. Don't acquire softnet_lock as |
|
* can be called from hardware interrupt context. |
*/ |
*/ |
void |
void |
ip_drain(void) |
ip_drain(void) |
{ |
{ |
|
|
|
KERNEL_LOCK(1, NULL); |
|
|
/* |
/* |
* We may be called from a device's interrupt context. If |
* We may be called from a device's interrupt context. If |
* the ipq is already busy, just bail out now. |
* the ipq is already busy, just bail out now. |
*/ |
*/ |
if (ipq_lock_try() == 0) |
if (ipq_lock_try() != 0) { |
return; |
/* |
|
* Drop half the total fragments now. If more mbufs are |
/* |
* needed, we will be called again soon. |
* Drop half the total fragments now. If more mbufs are needed, |
*/ |
* we will be called again soon. |
ip_reass_drophalf(); |
*/ |
IPQ_UNLOCK(); |
ip_reass_drophalf(); |
} |
|
|
IPQ_UNLOCK(); |
KERNEL_UNLOCK_ONE(NULL); |
} |
} |
|
|
/* |
/* |