diff options
| author |   Haiyang Zhang <haiyangz@microsoft.com> | 2014-01-27 15:03:42 -0800 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2014-01-27 16:40:45 -0800 |
| commit | b679ef73edc251f6d200a7dd2396e9fef9e36fc3 (patch) | |
| tree | b04daa074ce7083d763eea8daaf4e7d88a61c320 /drivers/net/hyperv | |
| parent | sky2: initialize napi before registering device (diff) | |
| download | linux-dev-b679ef73edc251f6d200a7dd2396e9fef9e36fc3.tar.xz linux-dev-b679ef73edc251f6d200a7dd2396e9fef9e36fc3.zip | |
hyperv: Add support for physically discontinuous receive buffer
This will allow us to use bigger receive buffer, and prevent allocation failure
due to fragmented memory.
Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com>
Reviewed-by: K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/hyperv')
| -rw-r--r-- | drivers/net/hyperv/hyperv_net.h | 2 | ||||
| -rw-r--r-- | 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 a26eecb1212c..7b594ce3f21d 100644 --- a/drivers/net/hyperv/hyperv_net.h +++ b/drivers/net/hyperv/hyperv_net.h @@ -462,7 +462,7 @@ struct nvsp_message { #define NETVSC_MTU 65536 -#define NETVSC_RECEIVE_BUFFER_SIZE (1024*1024*2) /* 2MB */ +#define NETVSC_RECEIVE_BUFFER_SIZE (1024*1024*16) /* 16MB */ #define NETVSC_RECEIVE_BUFFER_ID 0xcafe diff --git a/drivers/net/hyperv/netvsc.c b/drivers/net/hyperv/netvsc.c index 93b485b96249..03a2c6e17158 100644 --- a/drivers/net/hyperv/netvsc.c +++ b/drivers/net/hyperv/netvsc.c @@ -136,8 +136,7 @@ static int netvsc_destroy_recv_buf(struct netvsc_device *net_device) if (net_device->recv_buf) { /* Free up the receive buffer */ - free_pages((unsigned long)net_device->recv_buf, - get_order(net_device->recv_buf_size)); + vfree(net_device->recv_buf); net_device->recv_buf = NULL; } @@ -163,9 +162,7 @@ static int netvsc_init_recv_buf(struct hv_device *device) return -ENODEV; ndev = net_device->ndev; - net_device->recv_buf = - (void *)__get_free_pages(GFP_KERNEL|__GFP_ZERO, - get_order(net_device->recv_buf_size)); + net_device->recv_buf = vzalloc(net_device->recv_buf_size); if (!net_device->recv_buf) { netdev_err(ndev, "unable to allocate receive " "buffer of size %d\n", net_device->recv_buf_size); |