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Diff for /src/sys/netinet/ip_input.c between version 1.266.2.1 and 1.267

version 1.266.2.1, 2008/05/18 12:35:29 version 1.267, 2008/04/23 06:09:04
Line 45 
Line 45 
  * 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
Line 420  ip_init(void)
Line 427  ip_init(void)
         ip_nmbclusters_changed();          ip_nmbclusters_changed();
   
         TAILQ_INIT(&in_ifaddrhead);          TAILQ_INIT(&in_ifaddrhead);
         in_ifaddrhashtbl = hashinit(IN_IFADDR_HASH_SIZE, HASH_LIST, true,          in_ifaddrhashtbl = hashinit(IN_IFADDR_HASH_SIZE, HASH_LIST, M_IFADDR,
             &in_ifaddrhash);              M_WAITOK, &in_ifaddrhash);
         in_multihashtbl = hashinit(IN_IFADDR_HASH_SIZE, HASH_LIST, true,          in_multihashtbl = hashinit(IN_IFADDR_HASH_SIZE, HASH_LIST, M_IPMADDR,
             &in_multihash);              M_WAITOK, &in_multihash);
         ip_mtudisc_timeout_q = rt_timer_queue_create(ip_mtudisc_timeout);          ip_mtudisc_timeout_q = rt_timer_queue_create(ip_mtudisc_timeout);
 #ifdef GATEWAY  #ifdef GATEWAY
         ipflow_init(ip_hashsize);          ipflow_init(ip_hashsize);
Line 462  ipintr(void)
Line 469  ipintr(void)
         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 == NULL)                  if (m == 0)
                         break;                          return;
                 ip_input(m);                  ip_input(m);
         }          }
         KERNEL_UNLOCK_ONE(NULL);  
         mutex_exit(softnet_lock);  
 }  }
   
 /*  /*
Line 1386  ip_slowtimo(void)
Line 1389  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 1430  ip_slowtimo(void)
Line 1431  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.  Don't acquire softnet_lock as   * Drain off all datagram fragments.
  * 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.  
                  */  
                 ip_reass_drophalf();  
                 IPQ_UNLOCK();  
         }  
   
         KERNEL_UNLOCK_ONE(NULL);          /*
            * Drop half the total fragments now. If more mbufs are needed,
            *  we will be called again soon.
            */
           ip_reass_drophalf();
   
           IPQ_UNLOCK();
 }  }
   
 /*  /*
Line 2202  sysctl_net_inet_ip_hashsize(SYSCTLFN_ARG
Line 2198  sysctl_net_inet_ip_hashsize(SYSCTLFN_ARG
 static int  static int
 sysctl_net_inet_ip_stats(SYSCTLFN_ARGS)  sysctl_net_inet_ip_stats(SYSCTLFN_ARGS)
 {  {
           netstat_sysctl_context ctx;
           uint64_t ips[IP_NSTATS];
   
         return (NETSTAT_SYSCTL(ipstat_percpu, IP_NSTATS));          ctx.ctx_stat = ipstat_percpu;
           ctx.ctx_counters = ips;
           ctx.ctx_ncounters = IP_NSTATS;
           return (NETSTAT_SYSCTL(&ctx));
 }  }
   
 SYSCTL_SETUP(sysctl_net_inet_ip_setup, "sysctl net.inet.ip subtree setup")  SYSCTL_SETUP(sysctl_net_inet_ip_setup, "sysctl net.inet.ip subtree setup")
Legend:
Removed from v.1.266.2.1  
changed lines
  Added in v.1.267
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