[PATCH net-next v2 4/5] hv_netvsc: pass struct net_device to rndis_filter_set_device_mac()

From: Vitaly Kuznetsov
Date: Fri Jun 03 2016 - 11:51:43 EST


We unpack 'struct net_device' in netvsc_set_mac_addr() to get to
'struct hv_device' pointer which we use in rndis_filter_set_device_mac()
to get back to 'struct net_device'.

Signed-off-by: Vitaly Kuznetsov <vkuznets@xxxxxxxxxx>
---
drivers/net/hyperv/hyperv_net.h | 2 +-
drivers/net/hyperv/netvsc_drv.c | 4 +---
drivers/net/hyperv/rndis_filter.c | 3 +--
3 files changed, 3 insertions(+), 6 deletions(-)

diff --git a/drivers/net/hyperv/hyperv_net.h b/drivers/net/hyperv/hyperv_net.h
index f650ec1..467fb8b 100644
--- a/drivers/net/hyperv/hyperv_net.h
+++ b/drivers/net/hyperv/hyperv_net.h
@@ -201,7 +201,7 @@ int rndis_filter_receive(struct hv_device *dev,
struct vmbus_channel *channel);

int rndis_filter_set_packet_filter(struct rndis_device *dev, u32 new_filter);
-int rndis_filter_set_device_mac(struct hv_device *hdev, char *mac);
+int rndis_filter_set_device_mac(struct net_device *ndev, char *mac);

void netvsc_switch_datapath(struct net_device *nv_dev, bool vf);

diff --git a/drivers/net/hyperv/netvsc_drv.c b/drivers/net/hyperv/netvsc_drv.c
index 591ab58..733dea1 100644
--- a/drivers/net/hyperv/netvsc_drv.c
+++ b/drivers/net/hyperv/netvsc_drv.c
@@ -982,8 +982,6 @@ static struct rtnl_link_stats64 *netvsc_get_stats64(struct net_device *net,

static int netvsc_set_mac_addr(struct net_device *ndev, void *p)
{
- struct net_device_context *ndevctx = netdev_priv(ndev);
- struct hv_device *hdev = ndevctx->device_ctx;
struct sockaddr *addr = p;
char save_adr[ETH_ALEN];
unsigned char save_aatype;
@@ -996,7 +994,7 @@ static int netvsc_set_mac_addr(struct net_device *ndev, void *p)
if (err != 0)
return err;

- err = rndis_filter_set_device_mac(hdev, addr->sa_data);
+ err = rndis_filter_set_device_mac(ndev, addr->sa_data);
if (err != 0) {
/* roll back to saved MAC */
memcpy(ndev->dev_addr, save_adr, ETH_ALEN);
diff --git a/drivers/net/hyperv/rndis_filter.c b/drivers/net/hyperv/rndis_filter.c
index 2c2f3b9..f1692bc 100644
--- a/drivers/net/hyperv/rndis_filter.c
+++ b/drivers/net/hyperv/rndis_filter.c
@@ -543,9 +543,8 @@ static int rndis_filter_query_device_mac(struct rndis_device *dev)
#define NWADR_STR "NetworkAddress"
#define NWADR_STRLEN 14

-int rndis_filter_set_device_mac(struct hv_device *hdev, char *mac)
+int rndis_filter_set_device_mac(struct net_device *ndev, char *mac)
{
- struct net_device *ndev = hv_get_drvdata(hdev);
struct netvsc_device *nvdev = net_device_to_netvsc_device(ndev);
struct rndis_device *rdev = nvdev->extension;
struct rndis_request *request;
--
2.5.5