linux: Backport Hyper-V network driver

[ipfire-2.x.git] / src / patches / linux-3.14.x-hyperv-2008-fix.patch

diff --git a/src/patches/linux-3.14.x-hyperv-2008-fix.patch b/src/patches/linux-3.14.x-hyperv-2008-fix.patch
deleted file mode 100644 (file)
index e538e08..0000000
--- a/src/patches/linux-3.14.x-hyperv-2008-fix.patch
+++ /dev/null
@@ -1,50 +0,0 @@
-From 99d3016de4f2a29635f5382b0e9bd0e5f2151487 Mon Sep 17 00:00:00 2001
-From: Haiyang Zhang <haiyangz@microsoft.com>
-Date: Sun, 9 Mar 2014 16:10:59 -0700
-Subject: hyperv: Change the receive buffer size for legacy hosts
-
-Due to a bug in the Hyper-V host verion 2008R2, we need to use a slightly smaller
-receive buffer size, otherwise the buffer will not be accepted by the legacy hosts.
-
-Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com>
-Signed-off-by: David S. Miller <davem@davemloft.net>
-
-diff --git a/drivers/net/hyperv/hyperv_net.h b/drivers/net/hyperv/hyperv_net.h
-index 7d06b49..13010b4 100644
---- a/drivers/net/hyperv/hyperv_net.h
-+++ b/drivers/net/hyperv/hyperv_net.h
-@@ -513,6 +513,7 @@ struct nvsp_message {
- #define NETVSC_MTU 65536
- 
- #define NETVSC_RECEIVE_BUFFER_SIZE            (1024*1024*16)  /* 16MB */
-+#define NETVSC_RECEIVE_BUFFER_SIZE_LEGACY     (1024*1024*15)  /* 15MB */
- 
- #define NETVSC_RECEIVE_BUFFER_ID              0xcafe
- 
-diff --git a/drivers/net/hyperv/netvsc.c b/drivers/net/hyperv/netvsc.c
-index 1a0280d..daddea2 100644
---- a/drivers/net/hyperv/netvsc.c
-+++ b/drivers/net/hyperv/netvsc.c
-@@ -365,6 +365,11 @@ static int netvsc_connect_vsp(struct hv_device *device)
-               goto cleanup;
- 
-       /* Post the big receive buffer to NetVSP */
-+      if (net_device->nvsp_version <= NVSP_PROTOCOL_VERSION_2)
-+              net_device->recv_buf_size = NETVSC_RECEIVE_BUFFER_SIZE_LEGACY;
-+      else
-+              net_device->recv_buf_size = NETVSC_RECEIVE_BUFFER_SIZE;
-+
-       ret = netvsc_init_recv_buf(device);
- 
- cleanup:
-@@ -898,7 +903,6 @@ int netvsc_device_add(struct hv_device *device, void *additional_info)
-       ndev = net_device->ndev;
- 
-       /* Initialize the NetVSC channel extension */
--      net_device->recv_buf_size = NETVSC_RECEIVE_BUFFER_SIZE;
-       spin_lock_init(&net_device->recv_pkt_list_lock);
- 
-       INIT_LIST_HEAD(&net_device->recv_pkt_list);
--- 
-cgit v0.10.2
-