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Subject: [Bug 213845] [PATCH] bxe(4) boots with no capabilities enabled
Date: Fri, 28 Oct 2016 08:13:58 +0000
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X-Bugzilla-Type: new
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X-Bugzilla-Product: Base System
X-Bugzilla-Component: kern
X-Bugzilla-Version: 11.0-STABLE
X-Bugzilla-Keywords: patch
X-Bugzilla-Severity: Affects Some People
X-Bugzilla-Who: pherman@frenchfries.net
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D213845

            Bug ID: 213845
           Summary: [PATCH] bxe(4) boots with no capabilities enabled
           Product: Base System
           Version: 11.0-STABLE
          Hardware: Any
                OS: Any
            Status: New
          Keywords: patch
          Severity: Affects Some People
          Priority: ---
         Component: kern
          Assignee: freebsd-bugs@FreeBSD.org
          Reporter: pherman@frenchfries.net
          Keywords: patch

bxe cards boot with no hardware capabilities (i.e.
RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,JUMBO_MTU,VLAN_HWCSUM,TSO4...) enable=
d.
"ifconfig -m bxe0" correctly displays what NIC is capable of, but no options
are enabled.

This is a problem because, for example, "ifconfig vlanmtu" is not allowed t=
o be
changed by the driver and consequently all cloned vlan devices end up with =
an
MTU of 1496 by default.  The bug was introduced when the driver was updated=
 to
use if_setcapabilities().

CURRENT is also affected. 10 isn't. Suggested patch against 11.0-STABLE bel=
ow.

bxe0: <QLogic NetXtreme II BCM57810 10GbE (B0) BXE v:1.78.89

FreeBSD rt2-gerdc1.cgn.cleverbridge.com 11.0-STABLE FreeBSD 11.0-STABLE #1
r308000M: Thu Oct 27 17:29:07 CEST 2016=20=20=20=20
root@rt2-gerdc1.cgn.cleverbridge.com:/usr/obj/usr/src/sys/rt2-gerdc1  amd64


Index: sys/dev/bxe/bxe.c
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
--- sys/dev/bxe/bxe.c   (revision 308000)
+++ sys/dev/bxe/bxe.c   (working copy)
@@ -12691,6 +12691,7 @@
          IFCAP_WOL_MAGIC);
 #endif
     if_setcapabilitiesbit(ifp, capabilities, 0); /* XXX */
+    if_setcapenable(ifp, if_getcapabilities(ifp));
     if_setbaudrate(ifp, IF_Gbps(10));
 /* XXX */
     if_setsendqlen(ifp, sc->tx_ring_size);

--=20
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