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hv_netvsc: introduce {net, hv}_device_to_netvsc_device() helpers

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Make it easier to get 'struct netvsc_device' from 'struct net_device' and
'struct hv_device' by introducing inline helpers.

Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Vitaly Kuznetsov 2016-06-03 17:50:59 +02:00 committed by David S. Miller
parent 4baa994dc9
commit 2625466d6d
3 changed files with 22 additions and 25 deletions
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12
drivers/net/hyperv/hyperv_net.h
View File

@ -743,6 +743,18 @@ struct netvsc_device {
atomic_t vf_use_cnt;
};
static inline struct netvsc_device *
net_device_to_netvsc_device(struct net_device *ndev)
{
return ((struct net_device_context *)netdev_priv(ndev))->nvdev;
}
static inline struct netvsc_device *
hv_device_to_netvsc_device(struct hv_device *device)
{
return net_device_to_netvsc_device(hv_get_drvdata(device));
}
/* NdisInitialize message */
struct rndis_initialize_request {
u32 req_id;

11
drivers/net/hyperv/netvsc.c
View File

@ -95,9 +95,7 @@ static void free_netvsc_device(struct netvsc_device *nvdev)
static struct netvsc_device *get_outbound_net_device(struct hv_device *device)
{
struct net_device *ndev = hv_get_drvdata(device);
struct net_device_context *net_device_ctx = netdev_priv(ndev);
struct netvsc_device *net_device = net_device_ctx->nvdev;
struct netvsc_device *net_device = hv_device_to_netvsc_device(device);
if (net_device && net_device->destroy)
net_device = NULL;
@ -107,9 +105,7 @@ static struct netvsc_device *get_outbound_net_device(struct hv_device *device)
static struct netvsc_device *get_inbound_net_device(struct hv_device *device)
{
struct net_device *ndev = hv_get_drvdata(device);
struct net_device_context *net_device_ctx = netdev_priv(ndev);
struct netvsc_device *net_device = net_device_ctx->nvdev;
struct netvsc_device *net_device = hv_device_to_netvsc_device(device);
if (!net_device)
goto get_in_err;
@ -128,8 +124,7 @@ static int netvsc_destroy_buf(struct hv_device *device)
struct nvsp_message *revoke_packet;
int ret = 0;
struct net_device *ndev = hv_get_drvdata(device);
struct net_device_context *net_device_ctx = netdev_priv(ndev);
struct netvsc_device *net_device = net_device_ctx->nvdev;
struct netvsc_device *net_device = net_device_to_netvsc_device(ndev);
/*
* If we got a section count, it means we received a

24
drivers/net/hyperv/rndis_filter.c
View File

@ -546,8 +546,7 @@ static int rndis_filter_query_device_mac(struct rndis_device *dev)
int rndis_filter_set_device_mac(struct hv_device *hdev, char *mac)
{
struct net_device *ndev = hv_get_drvdata(hdev);
struct net_device_context *net_device_ctx = netdev_priv(ndev);
struct netvsc_device *nvdev = net_device_ctx->nvdev;
struct netvsc_device *nvdev = net_device_to_netvsc_device(ndev);
struct rndis_device *rdev = nvdev->extension;
struct rndis_request *request;
struct rndis_set_request *set;
@ -626,8 +625,7 @@ rndis_filter_set_offload_params(struct hv_device *hdev,
struct ndis_offload_params *req_offloads)
{
struct net_device *ndev = hv_get_drvdata(hdev);
struct net_device_context *net_device_ctx = netdev_priv(ndev);
struct netvsc_device *nvdev = net_device_ctx->nvdev;
struct netvsc_device *nvdev = net_device_to_netvsc_device(ndev);
struct rndis_device *rdev = nvdev->extension;
struct rndis_request *request;
struct rndis_set_request *set;
@ -851,8 +849,7 @@ static int rndis_filter_init_device(struct rndis_device *dev)
u32 status;
int ret;
unsigned long t;
struct net_device_context *net_device_ctx = netdev_priv(dev->ndev);
struct netvsc_device *nvdev = net_device_ctx->nvdev;
struct netvsc_device *nvdev = net_device_to_netvsc_device(dev->ndev);
request = get_rndis_request(dev, RNDIS_MSG_INIT,
RNDIS_MESSAGE_SIZE(struct rndis_initialize_request));
@ -977,8 +974,7 @@ static void netvsc_sc_open(struct vmbus_channel *new_sc)
{
struct net_device *ndev =
hv_get_drvdata(new_sc->primary_channel->device_obj);
struct net_device_context *net_device_ctx = netdev_priv(ndev);
struct netvsc_device *nvscdev = net_device_ctx->nvdev;
struct netvsc_device *nvscdev = net_device_to_netvsc_device(ndev);
u16 chn_index = new_sc->offermsg.offer.sub_channel_index;
int ret;
unsigned long flags;
@ -1196,9 +1192,7 @@ int rndis_filter_device_add(struct hv_device *dev,
void rndis_filter_device_remove(struct hv_device *dev)
{
struct net_device *ndev = hv_get_drvdata(dev);
struct net_device_context *net_device_ctx = netdev_priv(ndev);
struct netvsc_device *net_dev = net_device_ctx->nvdev;
struct netvsc_device *net_dev = hv_device_to_netvsc_device(dev);
struct rndis_device *rndis_dev = net_dev->extension;
unsigned long t;
@ -1224,9 +1218,7 @@ void rndis_filter_device_remove(struct hv_device *dev)
int rndis_filter_open(struct hv_device *dev)
{
struct net_device *ndev = hv_get_drvdata(dev);
struct net_device_context *net_device_ctx = netdev_priv(ndev);
struct netvsc_device *net_device = net_device_ctx->nvdev;
struct netvsc_device *net_device = hv_device_to_netvsc_device(dev);
if (!net_device)
return -EINVAL;
@ -1239,9 +1231,7 @@ int rndis_filter_open(struct hv_device *dev)
int rndis_filter_close(struct hv_device *dev)
{
struct net_device *ndev = hv_get_drvdata(dev);
struct net_device_context *net_device_ctx = netdev_priv(ndev);
struct netvsc_device *nvdev = net_device_ctx->nvdev;
struct netvsc_device *nvdev = hv_device_to_netvsc_device(dev);
if (!nvdev)
return -EINVAL;