e09562d587
- Drop 32bit support from spec file - Dropped 520d417d-xen-Add-stdbool.h-workaround-for-BSD.patch OBS-URL: https://build.opensuse.org/package/show/Virtualization/xen?expand=0&rev=282
48 lines
1.4 KiB
Diff
48 lines
1.4 KiB
Diff
From: Michal Kubecek <mkubecek@suse.cz>
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Date: Fri, 27 Sep 2013 19:05:45 +0200
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Subject: net: increase tap buffer size
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Patch-mainline: v0.12.0-rc0
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Git-commit: 8e0f8e5bf8fd483dd28329055336cf895b74c89f (partial)
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References: bnc#840196
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Increase size of buffere embedded in struct TAPState to allow
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jumbo frames longer then 4096 bytes.
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Part of upstream qemu commit
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8e0f8e5b net: enable IFF_VNET_HDR on tap fds if available
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Signed-off-by: Michal Kubecek <mkubecek@suse.cz>
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---
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tools/qemu-xen-traditional-dir-remote/net.c | 7 ++++++-
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1 file changed, 6 insertions(+), 1 deletion(-)
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diff --git a/tools/qemu-xen-traditional-dir-remote/net.c b/tools/qemu-xen-traditional-dir-remote/net.c
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index 2ca85a3..502a691 100644
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--- a/tools/qemu-xen-traditional-dir-remote/net.c
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+++ b/tools/qemu-xen-traditional-dir-remote/net.c
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@@ -693,6 +693,11 @@ static void vmchannel_read(void *opaque, const uint8_t *buf, int size)
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#if !defined(_WIN32)
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+/* Maximum GSO packet size (64k) plus plenty of room for
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+ * the ethernet and virtio_net headers
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+ */
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+#define TAP_BUFSIZE (4096 + 65536)
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+
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typedef struct TAPState {
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VLANClientState *vc;
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int fd;
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@@ -700,7 +705,7 @@ typedef struct TAPState {
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char down_script[1024];
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char down_script_arg[128];
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char script_arg[1024];
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- uint8_t buf[4096];
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+ uint8_t buf[TAP_BUFSIZE];
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} TAPState;
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#ifndef CONFIG_STUBDOM
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--
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1.8.1.4
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