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path: root/drivers/net/hyperv/rndis_filter.c
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Diffstat (limited to 'drivers/net/hyperv/rndis_filter.c')
-rw-r--r--drivers/net/hyperv/rndis_filter.c159
1 files changed, 41 insertions, 118 deletions
diff --git a/drivers/net/hyperv/rndis_filter.c b/drivers/net/hyperv/rndis_filter.c
index 97c292b7dbea..8e830f741d47 100644
--- a/drivers/net/hyperv/rndis_filter.c
+++ b/drivers/net/hyperv/rndis_filter.c
@@ -466,7 +466,6 @@ static int rndis_filter_query_device(struct rndis_device *dev, u32 oid,
struct rndis_query_request *query;
struct rndis_query_complete *query_complete;
int ret = 0;
- unsigned long t;
if (!result)
return -EINVAL;
@@ -503,11 +502,7 @@ static int rndis_filter_query_device(struct rndis_device *dev, u32 oid,
if (ret != 0)
goto cleanup;
- t = wait_for_completion_timeout(&request->wait_event, 5*HZ);
- if (t == 0) {
- ret = -ETIMEDOUT;
- goto cleanup;
- }
+ wait_for_completion(&request->wait_event);
/* Copy the response back */
query_complete = &request->response_msg.msg.query_complete;
@@ -543,11 +538,9 @@ 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 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;
@@ -558,7 +551,6 @@ int rndis_filter_set_device_mac(struct hv_device *hdev, char *mac)
u32 extlen = sizeof(struct rndis_config_parameter_info) +
2*NWADR_STRLEN + 4*ETH_ALEN;
int ret;
- unsigned long t;
request = get_rndis_request(rdev, RNDIS_MSG_SET,
RNDIS_MESSAGE_SIZE(struct rndis_set_request) + extlen);
@@ -599,21 +591,13 @@ int rndis_filter_set_device_mac(struct hv_device *hdev, char *mac)
if (ret != 0)
goto cleanup;
- t = wait_for_completion_timeout(&request->wait_event, 5*HZ);
- if (t == 0) {
- netdev_err(ndev, "timeout before we got a set response...\n");
- /*
- * can't put_rndis_request, since we may still receive a
- * send-completion.
- */
- return -EBUSY;
- } else {
- set_complete = &request->response_msg.msg.set_complete;
- if (set_complete->status != RNDIS_STATUS_SUCCESS) {
- netdev_err(ndev, "Fail to set MAC on host side:0x%x\n",
- set_complete->status);
- ret = -EINVAL;
- }
+ wait_for_completion(&request->wait_event);
+
+ set_complete = &request->response_msg.msg.set_complete;
+ if (set_complete->status != RNDIS_STATUS_SUCCESS) {
+ netdev_err(ndev, "Fail to set MAC on host side:0x%x\n",
+ set_complete->status);
+ ret = -EINVAL;
}
cleanup:
@@ -622,12 +606,10 @@ cleanup:
}
static int
-rndis_filter_set_offload_params(struct hv_device *hdev,
+rndis_filter_set_offload_params(struct net_device *ndev,
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;
@@ -635,7 +617,6 @@ rndis_filter_set_offload_params(struct hv_device *hdev,
struct rndis_set_complete *set_complete;
u32 extlen = sizeof(struct ndis_offload_params);
int ret;
- unsigned long t;
u32 vsp_version = nvdev->nvsp_version;
if (vsp_version <= NVSP_PROTOCOL_VERSION_4) {
@@ -669,20 +650,12 @@ rndis_filter_set_offload_params(struct hv_device *hdev,
if (ret != 0)
goto cleanup;
- t = wait_for_completion_timeout(&request->wait_event, 5*HZ);
- if (t == 0) {
- netdev_err(ndev, "timeout before we got aOFFLOAD set response...\n");
- /* can't put_rndis_request, since we may still receive a
- * send-completion.
- */
- return -EBUSY;
- } else {
- set_complete = &request->response_msg.msg.set_complete;
- if (set_complete->status != RNDIS_STATUS_SUCCESS) {
- netdev_err(ndev, "Fail to set offload on host side:0x%x\n",
- set_complete->status);
- ret = -EINVAL;
- }
+ wait_for_completion(&request->wait_event);
+ set_complete = &request->response_msg.msg.set_complete;
+ if (set_complete->status != RNDIS_STATUS_SUCCESS) {
+ netdev_err(ndev, "Fail to set offload on host side:0x%x\n",
+ set_complete->status);
+ ret = -EINVAL;
}
cleanup:
@@ -710,7 +683,6 @@ static int rndis_filter_set_rss_param(struct rndis_device *rdev, int num_queue)
u32 *itab;
u8 *keyp;
int i, ret;
- unsigned long t;
request = get_rndis_request(
rdev, RNDIS_MSG_SET,
@@ -753,20 +725,12 @@ static int rndis_filter_set_rss_param(struct rndis_device *rdev, int num_queue)
if (ret != 0)
goto cleanup;
- t = wait_for_completion_timeout(&request->wait_event, 5*HZ);
- if (t == 0) {
- netdev_err(ndev, "timeout before we got a set response...\n");
- /* can't put_rndis_request, since we may still receive a
- * send-completion.
- */
- return -ETIMEDOUT;
- } else {
- set_complete = &request->response_msg.msg.set_complete;
- if (set_complete->status != RNDIS_STATUS_SUCCESS) {
- netdev_err(ndev, "Fail to set RSS parameters:0x%x\n",
- set_complete->status);
- ret = -EINVAL;
- }
+ wait_for_completion(&request->wait_event);
+ set_complete = &request->response_msg.msg.set_complete;
+ if (set_complete->status != RNDIS_STATUS_SUCCESS) {
+ netdev_err(ndev, "Fail to set RSS parameters:0x%x\n",
+ set_complete->status);
+ ret = -EINVAL;
}
cleanup:
@@ -795,8 +759,6 @@ int rndis_filter_set_packet_filter(struct rndis_device *dev, u32 new_filter)
struct rndis_set_complete *set_complete;
u32 status;
int ret;
- unsigned long t;
- struct net_device *ndev = dev->ndev;
request = get_rndis_request(dev, RNDIS_MSG_SET,
RNDIS_MESSAGE_SIZE(struct rndis_set_request) +
@@ -819,26 +781,14 @@ int rndis_filter_set_packet_filter(struct rndis_device *dev, u32 new_filter)
if (ret != 0)
goto cleanup;
- t = wait_for_completion_timeout(&request->wait_event, 5*HZ);
+ wait_for_completion(&request->wait_event);
- if (t == 0) {
- netdev_err(ndev,
- "timeout before we got a set response...\n");
- ret = -ETIMEDOUT;
- /*
- * We can't deallocate the request since we may still receive a
- * send completion for it.
- */
- goto exit;
- } else {
- set_complete = &request->response_msg.msg.set_complete;
- status = set_complete->status;
- }
+ set_complete = &request->response_msg.msg.set_complete;
+ status = set_complete->status;
cleanup:
if (request)
put_rndis_request(dev, request);
-exit:
return ret;
}
@@ -850,9 +800,7 @@ static int rndis_filter_init_device(struct rndis_device *dev)
struct rndis_initialize_complete *init_complete;
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));
@@ -875,12 +823,7 @@ static int rndis_filter_init_device(struct rndis_device *dev)
goto cleanup;
}
- t = wait_for_completion_timeout(&request->wait_event, 5*HZ);
-
- if (t == 0) {
- ret = -ETIMEDOUT;
- goto cleanup;
- }
+ wait_for_completion(&request->wait_event);
init_complete = &request->response_msg.msg.init_complete;
status = init_complete->status;
@@ -977,8 +920,7 @@ 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;
@@ -1014,7 +956,6 @@ int rndis_filter_device_add(struct hv_device *dev,
struct netvsc_device_info *device_info = additional_info;
struct ndis_offload_params offloads;
struct nvsp_message *init_packet;
- unsigned long t;
struct ndis_recv_scale_cap rsscap;
u32 rsscap_size = sizeof(struct ndis_recv_scale_cap);
u32 mtu, size;
@@ -1088,7 +1029,7 @@ int rndis_filter_device_add(struct hv_device *dev,
offloads.lso_v2_ipv4 = NDIS_OFFLOAD_PARAMETERS_LSOV2_ENABLED;
- ret = rndis_filter_set_offload_params(dev, &offloads);
+ ret = rndis_filter_set_offload_params(net, &offloads);
if (ret)
goto err_dev_remv;
@@ -1157,11 +1098,8 @@ int rndis_filter_device_add(struct hv_device *dev,
VMBUS_DATA_PACKET_FLAG_COMPLETION_REQUESTED);
if (ret)
goto out;
- t = wait_for_completion_timeout(&net_device->channel_init_wait, 5*HZ);
- if (t == 0) {
- ret = -ETIMEDOUT;
- goto out;
- }
+ wait_for_completion(&net_device->channel_init_wait);
+
if (init_packet->msg.v5_msg.subchn_comp.status !=
NVSP_STAT_SUCCESS) {
ret = -ENODEV;
@@ -1196,21 +1134,14 @@ err_dev_remv:
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;
/* If not all subchannel offers are complete, wait for them until
* completion to avoid race.
*/
- while (net_dev->num_sc_offered > 0) {
- t = wait_for_completion_timeout(&net_dev->channel_init_wait,
- 10 * HZ);
- if (t == 0)
- WARN(1, "Netvsc: Waiting for sub-channel processing");
- }
+ if (net_dev->num_sc_offered > 0)
+ wait_for_completion(&net_dev->channel_init_wait);
/* Halt and release the rndis device */
rndis_filter_halt_device(rndis_dev);
@@ -1222,27 +1153,19 @@ void rndis_filter_device_remove(struct hv_device *dev)
}
-int rndis_filter_open(struct hv_device *dev)
+int rndis_filter_open(struct netvsc_device *nvdev)
{
- 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;
-
- if (!net_device)
+ if (!nvdev)
return -EINVAL;
- if (atomic_inc_return(&net_device->open_cnt) != 1)
+ if (atomic_inc_return(&nvdev->open_cnt) != 1)
return 0;
- return rndis_filter_open_device(net_device->extension);
+ return rndis_filter_open_device(nvdev->extension);
}
-int rndis_filter_close(struct hv_device *dev)
+int rndis_filter_close(struct netvsc_device *nvdev)
{
- 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;
-
if (!nvdev)
return -EINVAL;
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.