Author: arybchik
Date: Tue Jan 12 13:27:46 2016
New Revision: 293749
URL: https://svnweb.freebsd.org/changeset/base/293749

Log:
  sfxge: use NIC config in place of some Huntington specific PIO constants
  
  This should allow these functions to work for Medford as well.
  
  Submitted by:   Mark Spender <mspender at solarflare.com>
  Reviewed by:    gnn
  Sponsored by:   Solarflare Communications, Inc.
  MFC after:      2 days
  Differential Revision: https://reviews.freebsd.org/D4866

Modified:
  head/sys/dev/sfxge/common/efx.h
  head/sys/dev/sfxge/common/hunt_nic.c

Modified: head/sys/dev/sfxge/common/efx.h
==============================================================================
--- head/sys/dev/sfxge/common/efx.h     Tue Jan 12 13:26:04 2016        
(r293748)
+++ head/sys/dev/sfxge/common/efx.h     Tue Jan 12 13:27:46 2016        
(r293749)
@@ -1128,6 +1128,7 @@ typedef struct efx_nic_cfg_s {
        uint32_t                enc_buftbl_limit;
        uint32_t                enc_piobuf_limit;
        uint32_t                enc_piobuf_size;
+       uint32_t                enc_piobuf_min_alloc_size;
        uint32_t                enc_evq_timer_quantum_ns;
        uint32_t                enc_evq_timer_max_us;
        uint32_t                enc_clk_mult;

Modified: head/sys/dev/sfxge/common/hunt_nic.c
==============================================================================
--- head/sys/dev/sfxge/common/hunt_nic.c        Tue Jan 12 13:26:04 2016        
(r293748)
+++ head/sys/dev/sfxge/common/hunt_nic.c        Tue Jan 12 13:27:46 2016        
(r293749)
@@ -768,6 +768,7 @@ hunt_nic_pio_alloc(
        __out           uint32_t *offsetp,
        __out           size_t *sizep)
 {
+       efx_nic_cfg_t *encp = &enp->en_nic_cfg;
        efx_drv_cfg_t *edcp = &enp->en_drv_cfg;
        uint32_t blk_per_buf;
        uint32_t buf, blk;
@@ -785,7 +786,7 @@ hunt_nic_pio_alloc(
                rc = ENOMEM;
                goto fail1;
        }
-       blk_per_buf = HUNT_PIOBUF_SIZE / edcp->edc_pio_alloc_size;
+       blk_per_buf = encp->enc_piobuf_size / edcp->edc_pio_alloc_size;
 
        for (buf = 0; buf < enp->en_arch.ef10.ena_piobuf_count; buf++) {
                uint32_t *map = &enp->en_arch.ef10.ena_pio_alloc_map[buf];
@@ -1260,6 +1261,7 @@ hunt_board_cfg(
 
        encp->enc_piobuf_limit = HUNT_PIOBUF_NBUFS;
        encp->enc_piobuf_size = HUNT_PIOBUF_SIZE;
+       encp->enc_piobuf_min_alloc_size = HUNT_MIN_PIO_ALLOC_SIZE;
 
        /*
         * Get the current privilege mask. Note that this may be modified
@@ -1470,7 +1472,8 @@ hunt_nic_set_drv_limits(
                uint32_t blk_size, blk_count, blks_per_piobuf;
 
                blk_size =
-                   MAX(edlp->edl_min_pio_alloc_size, HUNT_MIN_PIO_ALLOC_SIZE);
+                   MAX(edlp->edl_min_pio_alloc_size,
+                           encp->enc_piobuf_min_alloc_size);
 
                blks_per_piobuf = encp->enc_piobuf_size / blk_size;
                EFSYS_ASSERT3U(blks_per_piobuf, <=, 32);
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