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5255 uts shouldn't open-code ISP2


   7  *
   8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
   9  * or http://www.opensolaris.org/os/licensing.
  10  * See the License for the specific language governing permissions
  11  * and limitations under the License.
  12  *
  13  * When distributing Covered Code, include this CDDL HEADER in each
  14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  15  * If applicable, add the following below this CDDL HEADER, with the
  16  * fields enclosed by brackets "[]" replaced with your own identifying
  17  * information: Portions Copyright [yyyy] [name of copyright owner]
  18  *
  19  * CDDL HEADER END
  20  */
  21 
  22 /*
  23  * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
  24  * Use is subject to license terms.
  25  */
  26 

  27 #include <sys/kmem.h>
  28 #include <sys/ksynch.h>
  29 #include <sys/systm.h>
  30 #include <sys/socket.h>
  31 #include <sys/disp.h>
  32 #include <sys/taskq.h>
  33 #include <sys/cmn_err.h>
  34 #include <sys/strsun.h>
  35 #include <sys/sdt.h>
  36 #include <sys/atomic.h>
  37 #include <netinet/in.h>
  38 #include <inet/ip.h>
  39 #include <inet/ip6.h>
  40 #include <inet/tcp.h>
  41 #include <inet/udp_impl.h>
  42 #include <inet/kstatcom.h>
  43 
  44 #include <inet/ilb_ip.h>
  45 #include "ilb_alg.h"
  46 #include "ilb_nat.h"


 267 
 268         kstat_named_setstr(&server->iser_kstat.ip_address,
 269             server->iser_ip_addr);
 270         /* We never change the IP address */
 271         ksp->ks_data_size += strlen(server->iser_ip_addr) + 1;
 272 
 273         kstat_install(ksp);
 274         return (ksp);
 275 }
 276 
 277 /* Initialize the rule hash table. */
 278 static void
 279 ilb_rule_hash_init(ilb_stack_t *ilbs)
 280 {
 281         int i;
 282 
 283         /*
 284          * If ilbs->ilbs_rule_hash_size is not a power of 2, bump it up to
 285          * the next power of 2.
 286          */
 287         if (ilbs->ilbs_rule_hash_size & (ilbs->ilbs_rule_hash_size - 1)) {
 288                 for (i = 0; i < 31; i++) {
 289                         if (ilbs->ilbs_rule_hash_size < (1 << i))
 290                                 break;
 291                 }
 292                 ilbs->ilbs_rule_hash_size = 1 << i;
 293         }
 294         ilbs->ilbs_g_hash = kmem_zalloc(sizeof (ilb_hash_t) *
 295             ilbs->ilbs_rule_hash_size, KM_SLEEP);
 296         for (i = 0; i < ilbs->ilbs_rule_hash_size; i++) {
 297                 mutex_init(&ilbs->ilbs_g_hash[i].ilb_hash_lock, NULL,
 298                     MUTEX_DEFAULT, NULL);
 299         }
 300 }
 301 
 302 /* Clean up the rule hash table. */
 303 static void
 304 ilb_rule_hash_fini(ilb_stack_t *ilbs)
 305 {
 306         if (ilbs->ilbs_g_hash == NULL)
 307                 return;




   7  *
   8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
   9  * or http://www.opensolaris.org/os/licensing.
  10  * See the License for the specific language governing permissions
  11  * and limitations under the License.
  12  *
  13  * When distributing Covered Code, include this CDDL HEADER in each
  14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  15  * If applicable, add the following below this CDDL HEADER, with the
  16  * fields enclosed by brackets "[]" replaced with your own identifying
  17  * information: Portions Copyright [yyyy] [name of copyright owner]
  18  *
  19  * CDDL HEADER END
  20  */
  21 
  22 /*
  23  * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
  24  * Use is subject to license terms.
  25  */
  26 
  27 #include <sys/sysmacros.h>
  28 #include <sys/kmem.h>
  29 #include <sys/ksynch.h>
  30 #include <sys/systm.h>
  31 #include <sys/socket.h>
  32 #include <sys/disp.h>
  33 #include <sys/taskq.h>
  34 #include <sys/cmn_err.h>
  35 #include <sys/strsun.h>
  36 #include <sys/sdt.h>
  37 #include <sys/atomic.h>
  38 #include <netinet/in.h>
  39 #include <inet/ip.h>
  40 #include <inet/ip6.h>
  41 #include <inet/tcp.h>
  42 #include <inet/udp_impl.h>
  43 #include <inet/kstatcom.h>
  44 
  45 #include <inet/ilb_ip.h>
  46 #include "ilb_alg.h"
  47 #include "ilb_nat.h"


 268 
 269         kstat_named_setstr(&server->iser_kstat.ip_address,
 270             server->iser_ip_addr);
 271         /* We never change the IP address */
 272         ksp->ks_data_size += strlen(server->iser_ip_addr) + 1;
 273 
 274         kstat_install(ksp);
 275         return (ksp);
 276 }
 277 
 278 /* Initialize the rule hash table. */
 279 static void
 280 ilb_rule_hash_init(ilb_stack_t *ilbs)
 281 {
 282         int i;
 283 
 284         /*
 285          * If ilbs->ilbs_rule_hash_size is not a power of 2, bump it up to
 286          * the next power of 2.
 287          */
 288         if (!ISP2(ilbs->ilbs_rule_hash_size)) {
 289                 for (i = 0; i < 31; i++) {
 290                         if (ilbs->ilbs_rule_hash_size < (1 << i))
 291                                 break;
 292                 }
 293                 ilbs->ilbs_rule_hash_size = 1 << i;
 294         }
 295         ilbs->ilbs_g_hash = kmem_zalloc(sizeof (ilb_hash_t) *
 296             ilbs->ilbs_rule_hash_size, KM_SLEEP);
 297         for (i = 0; i < ilbs->ilbs_rule_hash_size; i++) {
 298                 mutex_init(&ilbs->ilbs_g_hash[i].ilb_hash_lock, NULL,
 299                     MUTEX_DEFAULT, NULL);
 300         }
 301 }
 302 
 303 /* Clean up the rule hash table. */
 304 static void
 305 ilb_rule_hash_fini(ilb_stack_t *ilbs)
 306 {
 307         if (ilbs->ilbs_g_hash == NULL)
 308                 return;