Attachment 610677 Details for Bug 852965 – Patch to add link status for rtl8139

[patch] Patch to add link status for rtl8139

0001-rtl8139-implement-8139cp-link-status.patch (text/plain), 1.55 KB, created by jason wang on 2012-09-07 10:03:07 UTC

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Creator: jason wang

Created: 2012-09-07 10:03:07 UTC

Size: 1.55 KB

patch

obsolete

>From 0f3b8fc9fc3690270bc0caf1ce09ec10916d1e0e Mon Sep 17 00:00:00 2001
>From: Jason Wang <jasowang@redhat.com>
>Date: Fri, 7 Sep 2012 14:10:00 +0800
>Subject: [PATCH] rtl8139: implement 8139cp link status
>
>Add a link status chang callback and change the link status bit in BMSR
>accordingly. Tested in linux guest.
>
>Signed-off-by: Jason Wang <jasowang@redhat.com>
>---
> hw/rtl8139.c |   17 ++++++++++++++++-
> 1 files changed, 16 insertions(+), 1 deletions(-)
>
>diff --git a/hw/rtl8139.c b/hw/rtl8139.c
>index 844f1b8..9d696e0 100644
>--- a/hw/rtl8139.c
>+++ b/hw/rtl8139.c
>@@ -167,7 +167,7 @@ enum IntrStatusBits {
>     PCIErr = 0x8000,
>     PCSTimeout = 0x4000,
>     RxFIFOOver = 0x40,
>-    RxUnderrun = 0x20,
>+    RxUnderrun = 0x20, /* or link status is changed */
>     RxOverflow = 0x10,
>     TxErr = 0x08,
>     TxOK = 0x04,
>@@ -3453,12 +3453,27 @@ static void pci_rtl8139_uninit(PCIDevice *dev)
>     qemu_del_net_client(&s->nic->nc);
> }
> 
>+static void rtl8139_set_link_status(NetClientState *nc)
>+{
>+    RTL8139State *s = DO_UPCAST(NICState, nc, nc)->opaque;
>+
>+    if (nc->link_down) {
>+        s->BasicModeStatus &= ~0x0004;
>+    } else {
>+        s->BasicModeStatus |= 0x0004;
>+    }
>+
>+    s->IntrStatus |= RxUnderrun;
>+    rtl8139_update_irq(s);
>+}
>+
> static NetClientInfo net_rtl8139_info = {
>     .type = NET_CLIENT_OPTIONS_KIND_NIC,
>     .size = sizeof(NICState),
>     .can_receive = rtl8139_can_receive,
>     .receive = rtl8139_receive,
>     .cleanup = rtl8139_cleanup,
>+    .link_status_changed = rtl8139_set_link_status,
> };
> 
> static int pci_rtl8139_init(PCIDevice *dev)
>-- 
>1.7.1
>

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