Date: Thu, 21 Mar 2013 10:27:32 GMT From: Hielke Christian Braun <hcb@unco.de> To: freebsd-gnats-submit@FreeBSD.org Subject: kern/177184: patch for bge network driver to enable wake on lan Message-ID: <201303211027.r2LARWel087918@red.freebsd.org> Resent-Message-ID: <201303211030.r2LAU1ch046924@freefall.freebsd.org>
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>Number: 177184
>Category: kern
>Synopsis: patch for bge network driver to enable wake on lan
>Confidential: no
>Severity: non-critical
>Priority: low
>Responsible: freebsd-bugs
>State: open
>Quarter:
>Keywords:
>Date-Required:
>Class: change-request
>Submitter-Id: current-users
>Arrival-Date: Thu Mar 21 10:30:00 UTC 2013
>Closed-Date:
>Last-Modified:
>Originator: Hielke Christian Braun
>Release: 9.1-RELEASE-p1
>Organization:
>Environment:
FreeBSD xxx 9.1-RELEASE-p1 FreeBSD 9.1-RELEASE-p1 #48: Fri Mar 15 01:09:33 CET 2013 root@freebsd:/usr/obj/nas4free/usr/src/sys/NAS4FREE-amd64 amd64
>Description:
Hello,
a patch to enable wake-on-lan (with magic packet) in the bge network driver. Maybe you can add it. Developed this for a HP ProLiant MicroServer N40L machine with a
bge0: <HP NC107i PCIe Gigabit Server Adapter, ASIC rev. 0x5784100> mem 0xfe9f0000-0xfe9fffff irq 18 at device 0.0 on pci2
Kind regards,
Christian.
>How-To-Repeat:
>Fix:
Patch attached with submission follows:
--- if_bge.c.orig 2013-03-13 23:42:26.000000000 +0100
+++ if_bge.c 2013-03-14 13:30:08.000000000 +0100
@@ -469,6 +469,7 @@
static void bge_stop_fw(struct bge_softc *);
static int bge_reset(struct bge_softc *);
static void bge_link_upd(struct bge_softc *);
+static void bge_setwol(struct bge_softc *);
/*
* The BGE_REGISTER_DEBUG option is only for low-level debugging. It may
@@ -3335,7 +3336,7 @@
IFQ_SET_READY(&ifp->if_snd);
ifp->if_hwassist = sc->bge_csum_features;
ifp->if_capabilities = IFCAP_HWCSUM | IFCAP_VLAN_HWTAGGING |
- IFCAP_VLAN_MTU;
+ IFCAP_VLAN_MTU | IFCAP_WOL_MAGIC;
if ((sc->bge_flags & (BGE_FLAG_TSO | BGE_FLAG_TSO3)) != 0) {
ifp->if_hwassist |= CSUM_TSO;
ifp->if_capabilities |= IFCAP_TSO4 | IFCAP_VLAN_HWTSO;
@@ -5537,6 +5538,7 @@
BGE_LOCK(sc);
bge_stop(sc);
bge_reset(sc);
+ bge_setwol(sc);
BGE_UNLOCK(sc);
return (0);
@@ -6206,3 +6208,34 @@
}
return (*func == NULL ? ENXIO : 0);
}
+
+static void
+bge_setwol(struct bge_softc *sc)
+{
+ struct ifnet *ifp;
+ uint16_t pmstat;
+ int pmc;
+
+ ifp = sc->bge_ifp;
+
+ if ((ifp->if_capenable & IFCAP_WOL_MAGIC) == 0)
+ return;
+
+ if (pci_find_cap(sc->bge_dev, PCIY_PMG, &pmc) != 0)
+ return;
+
+ BGE_SETBIT(sc, BGE_MAC_MODE, BGE_MACMODE_MAGIC_PKT_ENB);
+
+ BGE_CLRBIT(sc, BGE_MAC_MODE, BGE_MACMODE_PORTMODE);
+ BGE_SETBIT(sc, BGE_MAC_MODE, BGE_PORTMODE_GMII);
+
+ BGE_SETBIT(sc, BGE_RX_MODE, BGE_RXMODE_ENABLE);
+
+ /* Request PME. */
+ pmstat = pci_read_config(sc->bge_dev,
+ pmc + PCIR_POWER_STATUS, 2);
+ pmstat |= PCIM_PSTAT_PME | PCIM_PSTAT_PMEENABLE;
+ pci_write_config(sc->bge_dev,
+ pmc + PCIR_POWER_STATUS, pmstat, 2);
+}
+
>Release-Note:
>Audit-Trail:
>Unformatted:
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