5045 use atomic_{inc,dec}_* instead of atomic_add_*

*** 22,33 ****
  /*
   * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
   * Use is subject to license terms.
   */
  
- #pragma ident   "%Z%%M% %I%     %E% SMI"
- 
  #include <sys/types.h>
  #include <sys/atomic.h>
  #include <sys/pattr.h>
  #include <netinet/in.h>
  #include <netinet/ip6.h>
--- 22,31 ----
*** 66,100 ****
                  if ((mp->b_cont != NULL) &&
                      (mp->b_cont->b_datap->db_type == M_DATA)) {
                          mp = mp->b_cont;
                  } else {
                          dscpmk0dbg(("dscpmk_process: no data\n"));
!                         atomic_add_64(&dscpmk_data->epackets, 1);
                          return (EINVAL);
                  }
          }
  
          /* Pull-up needed? */
          if ((mp->b_wptr - mp->b_rptr) < IP_SIMPLE_HDR_LENGTH) {
                  if (!pullupmsg(mp, IP_SIMPLE_HDR_LENGTH)) {
                          dscpmk0dbg(("dscpmk_process: pullup failed\n"));
!                         atomic_add_64(&dscpmk_data->epackets, 1);
                          return (EINVAL);
                  }
          }
          ipha = (ipha_t *)mp->b_rptr;
  
          /* Update global stats */
!         atomic_add_64(&dscpmk_data->npackets, 1);
  
          /*
           * This should only be called for outgoing packets. For inbound packets
           * proceed with the next action.
           */
          if ((proc == IPP_LOCAL_IN) || (proc == IPP_FWD_IN)) {
                  dscpmk2dbg(("dscpmk_process: cannot mark incoming packets\n"));
!                 atomic_add_64(&dscpmk_data->ipackets, 1);
                  return (0);
          }
  
          /* Figure out the ToS or the Traffic Class from the message */
          if (IPH_HDR_VERSION(ipha) == IPV4_VERSION) {
--- 64,98 ----
                  if ((mp->b_cont != NULL) &&
                      (mp->b_cont->b_datap->db_type == M_DATA)) {
                          mp = mp->b_cont;
                  } else {
                          dscpmk0dbg(("dscpmk_process: no data\n"));
!                         atomic_inc_64(&dscpmk_data->epackets);
                          return (EINVAL);
                  }
          }
  
          /* Pull-up needed? */
          if ((mp->b_wptr - mp->b_rptr) < IP_SIMPLE_HDR_LENGTH) {
                  if (!pullupmsg(mp, IP_SIMPLE_HDR_LENGTH)) {
                          dscpmk0dbg(("dscpmk_process: pullup failed\n"));
!                         atomic_inc_64(&dscpmk_data->epackets);
                          return (EINVAL);
                  }
          }
          ipha = (ipha_t *)mp->b_rptr;
  
          /* Update global stats */
!         atomic_inc_64(&dscpmk_data->npackets);
  
          /*
           * This should only be called for outgoing packets. For inbound packets
           * proceed with the next action.
           */
          if ((proc == IPP_LOCAL_IN) || (proc == IPP_FWD_IN)) {
                  dscpmk2dbg(("dscpmk_process: cannot mark incoming packets\n"));
!                 atomic_inc_64(&dscpmk_data->ipackets);
                  return (0);
          }
  
          /* Figure out the ToS or the Traffic Class from the message */
          if (IPH_HDR_VERSION(ipha) == IPV4_VERSION) {
*** 112,136 ****
           * 6-bit DSCP value.
           */
          new_dscp = dscpmk_data->dscp_map[dscp >> 2];
  
          /* Update stats for this new_dscp */
!         atomic_add_64(&dscpmk_data->dscp_stats[new_dscp].npackets, 1);
  
          /*
           * if new_dscp is same as the original, update stats and
           * return.
           */
          if (new_dscp == (dscp >> 2)) {
!                 atomic_add_64(&dscpmk_data->unchanged, 1);
                  return (0);
          }
  
          /* Get back the ECN/CU value from the original dscp */
          new_dscp = (new_dscp << 2) | (dscp & 0x3);
  
!         atomic_add_64(&dscpmk_data->changed, 1);
          /*
           * IPv4 : ToS structure -- RFC 791
           *
           *        0   1   2   3   4   5   6   7
           *      +---+---+---+---+---+---+---+---+
--- 110,134 ----
           * 6-bit DSCP value.
           */
          new_dscp = dscpmk_data->dscp_map[dscp >> 2];
  
          /* Update stats for this new_dscp */
!         atomic_inc_64(&dscpmk_data->dscp_stats[new_dscp].npackets);
  
          /*
           * if new_dscp is same as the original, update stats and
           * return.
           */
          if (new_dscp == (dscp >> 2)) {
!                 atomic_inc_64(&dscpmk_data->unchanged);
                  return (0);
          }
  
          /* Get back the ECN/CU value from the original dscp */
          new_dscp = (new_dscp << 2) | (dscp & 0x3);
  
!         atomic_inc_64(&dscpmk_data->changed);
          /*
           * IPv4 : ToS structure -- RFC 791
           *
           *        0   1   2   3   4   5   6   7
           *      +---+---+---+---+---+---+---+---+