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[src/trunk]: src/sys/dev/pci/ixgbe Add force_10_100_autonego sysctl. The defa...



details:   https://anonhg.NetBSD.org/src/rev/c15639689878
branches:  trunk
changeset: 323894:c15639689878
user:      msaitoh <msaitoh%NetBSD.org@localhost>
date:      Fri Jul 06 02:36:35 2018 +0000

description:
Add force_10_100_autonego sysctl. The default vaule is 0(false).
This sysctl is only for 550EM_a with PHY firmware for a while.

diffstat:

 sys/dev/pci/ixgbe/ixgbe.c      |  11 ++++++++++-
 sys/dev/pci/ixgbe/ixgbe_type.h |   3 ++-
 sys/dev/pci/ixgbe/ixgbe_x550.c |  10 +++++++---
 3 files changed, 19 insertions(+), 5 deletions(-)

diffs (69 lines):

diff -r a82586a0f648 -r c15639689878 sys/dev/pci/ixgbe/ixgbe.c
--- a/sys/dev/pci/ixgbe/ixgbe.c Fri Jul 06 01:58:12 2018 +0000
+++ b/sys/dev/pci/ixgbe/ixgbe.c Fri Jul 06 02:36:35 2018 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: ixgbe.c,v 1.162 2018/07/03 04:02:06 msaitoh Exp $ */
+/* $NetBSD: ixgbe.c,v 1.163 2018/07/06 02:36:35 msaitoh Exp $ */
 
 /******************************************************************************
 
@@ -3317,6 +3317,15 @@
                        aprint_error_dev(dev, "could not create sysctl\n");
        }
 
+       if ((hw->mac.type == ixgbe_mac_X550EM_a)
+           && (hw->phy.type == ixgbe_phy_fw))
+               if (sysctl_createv(log, 0, &rnode, &cnode, CTLFLAG_READWRITE,
+                   CTLTYPE_BOOL, "force_10_100_autonego",
+                   SYSCTL_DESCR("Force autonego on 10M and 100M"),
+                   NULL, 0, &hw->phy.force_10_100_autonego, 0,
+                   CTL_CREATE, CTL_EOL) != 0)
+                       aprint_error_dev(dev, "could not create sysctl\n");
+
        if (adapter->feat_cap & IXGBE_FEATURE_EEE) {
                if (sysctl_createv(log, 0, &rnode, &cnode, CTLFLAG_READWRITE,
                    CTLTYPE_INT, "eee_state",
diff -r a82586a0f648 -r c15639689878 sys/dev/pci/ixgbe/ixgbe_type.h
--- a/sys/dev/pci/ixgbe/ixgbe_type.h    Fri Jul 06 01:58:12 2018 +0000
+++ b/sys/dev/pci/ixgbe/ixgbe_type.h    Fri Jul 06 02:36:35 2018 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: ixgbe_type.h,v 1.35 2018/06/11 10:34:18 msaitoh Exp $ */
+/* $NetBSD: ixgbe_type.h,v 1.36 2018/07/06 02:36:35 msaitoh Exp $ */
 
 /******************************************************************************
   SPDX-License-Identifier: BSD-3-Clause
@@ -4166,6 +4166,7 @@
        enum ixgbe_media_type           media_type;
        u32 phy_semaphore_mask;
        bool                            reset_disable;
+       bool                            force_10_100_autonego;
        ixgbe_autoneg_advertised        autoneg_advertised;
        ixgbe_link_speed speeds_supported;
        ixgbe_link_speed eee_speeds_supported;
diff -r a82586a0f648 -r c15639689878 sys/dev/pci/ixgbe/ixgbe_x550.c
--- a/sys/dev/pci/ixgbe/ixgbe_x550.c    Fri Jul 06 01:58:12 2018 +0000
+++ b/sys/dev/pci/ixgbe/ixgbe_x550.c    Fri Jul 06 02:36:35 2018 +0000
@@ -847,9 +847,10 @@
                setup[0] |= FW_PHY_ACT_SETUP_LINK_EEE;
 
 #ifdef IXGBE_DENVERTON_WA
-       /* Don't use auto-nego for 10/100Mbps */
-       if ((hw->phy.autoneg_advertised == IXGBE_LINK_SPEED_100_FULL)
-           || (hw->phy.autoneg_advertised == IXGBE_LINK_SPEED_10_FULL)) {
+       if ((hw->phy.force_10_100_autonego == false)
+           && ((hw->phy.autoneg_advertised == IXGBE_LINK_SPEED_100_FULL)
+               || (hw->phy.autoneg_advertised == IXGBE_LINK_SPEED_10_FULL))) {
+               /* Don't use auto-nego for 10/100Mbps */
                setup[0] &= ~FW_PHY_ACT_SETUP_LINK_AN;
                setup[0] &= ~FW_PHY_ACT_SETUP_LINK_EEE;
                setup[0] &= ~(FW_PHY_ACT_SETUP_LINK_PAUSE_RXTX
@@ -862,6 +863,9 @@
                return rc;
 
 #ifdef IXGBE_DENVERTON_WA
+       if (hw->phy.force_10_100_autonego == true)
+               goto out;
+
        ret_val = ixgbe_read_phy_reg_x550a(hw, MII_BMCR, 0, &phydata);
        if (ret_val != 0)
                goto out;



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