[src/trunk]: src/sys/dev/pci 82574 should follow MSI-X mode IMS manner.

[knakahara <knakahara%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/a421e0f38d9c
branches:  trunk
changeset: 821989:a421e0f38d9c
user:      knakahara <knakahara%NetBSD.org@localhost>
date:      Fri Feb 24 10:07:33 2017 +0000

description:
82574 should follow MSI-X mode IMS manner.

Howerver some legacy interrupts occur as MSI-X other interrupt yet...

diffstat:

 sys/dev/pci/if_wm.c |  17 +++++++++++------
 1 files changed, 11 insertions(+), 6 deletions(-)

diffs (38 lines):

diff -r bd117d69dde8 -r a421e0f38d9c sys/dev/pci/if_wm.c
--- a/sys/dev/pci/if_wm.c       Fri Feb 24 09:49:49 2017 +0000
+++ b/sys/dev/pci/if_wm.c       Fri Feb 24 10:07:33 2017 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: if_wm.c,v 1.485 2017/02/18 14:48:43 christos Exp $     */
+/*     $NetBSD: if_wm.c,v 1.486 2017/02/24 10:07:33 knakahara Exp $    */
 
 /*
  * Copyright (c) 2001, 2002, 2003, 2004 Wasabi Systems, Inc.
@@ -84,7 +84,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: if_wm.c,v 1.485 2017/02/18 14:48:43 christos Exp $");
+__KERNEL_RCSID(0, "$NetBSD: if_wm.c,v 1.486 2017/02/24 10:07:33 knakahara Exp $");
 
 #ifdef _KERNEL_OPT
 #include "opt_net_mpsafe.h"
@@ -5133,10 +5133,15 @@
 
                switch (sc->sc_type) {
                case WM_T_82574:
-                       CSR_WRITE(sc, WMREG_EIAC_82574,
-                           WMREG_EIAC_82574_MSIX_MASK);
-                       sc->sc_icr |= WMREG_EIAC_82574_MSIX_MASK;
-                       CSR_WRITE(sc, WMREG_IMS, sc->sc_icr);
+                       mask = 0;
+                       for (i = 0; i < sc->sc_nqueues; i++) {
+                               wmq = &sc->sc_queue[i];
+                               mask |= ICR_TXQ(wmq->wmq_id);
+                               mask |= ICR_RXQ(wmq->wmq_id);
+                       }
+                       mask |= ICR_OTHER;
+                       CSR_WRITE(sc, WMREG_EIAC_82574, mask);
+                       CSR_WRITE(sc, WMREG_IMS, mask | ICR_LSC);
                        break;
                default:
                        if (sc->sc_type == WM_T_82575) {