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

*** 1234,1244 ****
           * Here we should add dl_cnt before post recv, because
           * we would have to make sure dl_cnt is updated before
           * the corresponding ibd_rc_process_rx() is called.
           */
          ASSERT(state->rc_srq_rwqe_list.dl_cnt < state->rc_srq_size);
!         atomic_add_32(&state->rc_srq_rwqe_list.dl_cnt, 1);
          if (ibt_post_srq(state->rc_srq_hdl, &rwqe->w_rwr, 1, NULL) !=
              IBT_SUCCESS) {
                  atomic_dec_32(&state->rc_srq_rwqe_list.dl_cnt);
                  DPRINT(40, "ibd_rc_post_srq : ibt_post_srq() failed");
                  return (DDI_FAILURE);
--- 1234,1244 ----
           * Here we should add dl_cnt before post recv, because
           * we would have to make sure dl_cnt is updated before
           * the corresponding ibd_rc_process_rx() is called.
           */
          ASSERT(state->rc_srq_rwqe_list.dl_cnt < state->rc_srq_size);
!         atomic_inc_32(&state->rc_srq_rwqe_list.dl_cnt);
          if (ibt_post_srq(state->rc_srq_hdl, &rwqe->w_rwr, 1, NULL) !=
              IBT_SUCCESS) {
                  atomic_dec_32(&state->rc_srq_rwqe_list.dl_cnt);
                  DPRINT(40, "ibd_rc_post_srq : ibt_post_srq() failed");
                  return (DDI_FAILURE);
*** 1256,1266 ****
          /*
           * Here we should add dl_cnt before post recv, because we would
           * have to make sure dl_cnt has already updated before
           * corresponding ibd_rc_process_rx() is called.
           */
!         atomic_add_32(&chan->rx_wqe_list.dl_cnt, 1);
          if (ibt_post_recv(chan->chan_hdl, &rwqe->w_rwr, 1, NULL) !=
              IBT_SUCCESS) {
                  atomic_dec_32(&chan->rx_wqe_list.dl_cnt);
                  DPRINT(40, "ibd_rc_post_rwqe : failed in ibt_post_recv()");
                  return (DDI_FAILURE);
--- 1256,1266 ----
          /*
           * Here we should add dl_cnt before post recv, because we would
           * have to make sure dl_cnt has already updated before
           * corresponding ibd_rc_process_rx() is called.
           */
!         atomic_inc_32(&chan->rx_wqe_list.dl_cnt);
          if (ibt_post_recv(chan->chan_hdl, &rwqe->w_rwr, 1, NULL) !=
              IBT_SUCCESS) {
                  atomic_dec_32(&chan->rx_wqe_list.dl_cnt);
                  DPRINT(40, "ibd_rc_post_rwqe : failed in ibt_post_recv()");
                  return (DDI_FAILURE);
*** 1497,1511 ****
                  /*
                   * Record how many rwqe has been occupied by upper
                   * network layer
                   */
                  if (state->rc_enable_srq) {
!                         atomic_add_32(&state->rc_srq_rwqe_list.
!                             dl_bufs_outstanding, 1);
                  } else {
!                         atomic_add_32(&chan->rx_wqe_list.
!                             dl_bufs_outstanding, 1);
                  }
                  mp = rwqe->rwqe_im_mblk;
          } else {
                  atomic_add_64(&state->rc_rcv_copy_byte, wc->wc_bytes_xfer);
                  atomic_inc_64(&state->rc_rcv_copy_pkt);
--- 1497,1510 ----
                  /*
                   * Record how many rwqe has been occupied by upper
                   * network layer
                   */
                  if (state->rc_enable_srq) {
!                         atomic_inc_32(
!                             &state->rc_srq_rwqe_list.dl_bufs_outstanding);
                  } else {
!                         atomic_inc_32(&chan->rx_wqe_list.dl_bufs_outstanding);
                  }
                  mp = rwqe->rwqe_im_mblk;
          } else {
                  atomic_add_64(&state->rc_rcv_copy_byte, wc->wc_bytes_xfer);
                  atomic_inc_64(&state->rc_rcv_copy_pkt);
*** 1667,1677 ****
           */
          if (ibd_rc_post_rwqe(chan, rwqe) == DDI_FAILURE) {
                  ibd_rc_free_rwqe(chan, rwqe);
                  return;
          }
!         atomic_add_32(&chan->rx_wqe_list.dl_bufs_outstanding, -1);
  }
  
  /*
   * Common code for interrupt handling as well as for polling
   * for all completed wqe's while detaching.
--- 1666,1676 ----
           */
          if (ibd_rc_post_rwqe(chan, rwqe) == DDI_FAILURE) {
                  ibd_rc_free_rwqe(chan, rwqe);
                  return;
          }
!         atomic_dec_32(&chan->rx_wqe_list.dl_bufs_outstanding);
  }
  
  /*
   * Common code for interrupt handling as well as for polling
   * for all completed wqe's while detaching.