For forwarding scenarios, it will be useful to allocate larger
sendbuf. Make the necessary adjustments to permit this.

Signed-off-by: K. Y. Srinivasan <k...@microsoft.com>
---
 drivers/net/hyperv/hyperv_net.h |    2 +-
 drivers/net/hyperv/netvsc.c     |    7 ++-----
 2 files changed, 3 insertions(+), 6 deletions(-)

diff --git a/drivers/net/hyperv/hyperv_net.h b/drivers/net/hyperv/hyperv_net.h
index 6cc37c1..40ba1ef 100644
--- a/drivers/net/hyperv/hyperv_net.h
+++ b/drivers/net/hyperv/hyperv_net.h
@@ -584,7 +584,7 @@ struct nvsp_message {
 
 #define NETVSC_RECEIVE_BUFFER_SIZE             (1024*1024*16)  /* 16MB */
 #define NETVSC_RECEIVE_BUFFER_SIZE_LEGACY      (1024*1024*15)  /* 15MB */
-#define NETVSC_SEND_BUFFER_SIZE                        (1024 * 1024)   /* 1MB 
*/
+#define NETVSC_SEND_BUFFER_SIZE                        (1024 * 1024 * 16)   /* 
16MB */
 #define NETVSC_INVALID_INDEX                   -1
 
 
diff --git a/drivers/net/hyperv/netvsc.c b/drivers/net/hyperv/netvsc.c
index c041f63..c76178e 100644
--- a/drivers/net/hyperv/netvsc.c
+++ b/drivers/net/hyperv/netvsc.c
@@ -193,8 +193,7 @@ static int netvsc_destroy_buf(struct netvsc_device 
*net_device)
        }
        if (net_device->send_buf) {
                /* Free up the receive buffer */
-               free_pages((unsigned long)net_device->send_buf,
-                          get_order(net_device->send_buf_size));
+               vfree(net_device->send_buf);
                net_device->send_buf = NULL;
        }
        kfree(net_device->send_section_map);
@@ -303,9 +302,7 @@ static int netvsc_init_buf(struct hv_device *device)
 
        /* Now setup the send buffer.
         */
-       net_device->send_buf =
-               (void *)__get_free_pages(GFP_KERNEL|__GFP_ZERO,
-                                        get_order(net_device->send_buf_size));
+       net_device->send_buf = vzalloc(net_device->send_buf_size);
        if (!net_device->send_buf) {
                netdev_err(ndev, "unable to allocate send "
                           "buffer of size %d\n", net_device->send_buf_size);
-- 
1.7.4.1

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