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yaml
---
r: 249103
b: refs/heads/master
c: 0021e71
h: refs/heads/master
i:
  249101: d36f55f
  249099: e3d9541
  249095: a23543d
  249087: c9f126e
v: v3
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Haiyang Zhang authored and Greg Kroah-Hartman committed Apr 25, 2011
1 parent ef5ccc1 commit f3abc6e
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Showing 2 changed files with 65 additions and 67 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: ec91cd09b153d896d14bb2882d6128a97f00ff41
refs/heads/master: 0021e71e9fde72a65a5f4bedd51964af9ab4fb4a
130 changes: 64 additions & 66 deletions trunk/drivers/staging/hv/netvsc.c
Original file line number Diff line number Diff line change
Expand Up @@ -51,8 +51,6 @@ static int netvsc_init_send_buf(struct hv_device *device);

static int netvsc_init_recv_buf(struct hv_device *device);

static int netvsc_destroy_send_buf(struct netvsc_device *net_device);

static int netvsc_connect_vsp(struct hv_device *device);

static void netvsc_send_completion(struct hv_device *device,
Expand Down Expand Up @@ -343,6 +341,70 @@ static int netvsc_init_recv_buf(struct hv_device *device)
return ret;
}

static int netvsc_destroy_send_buf(struct netvsc_device *net_device)
{
struct nvsp_message *revoke_packet;
int ret = 0;

/*
* If we got a section count, it means we received a
* SendReceiveBufferComplete msg (ie sent
* NvspMessage1TypeSendReceiveBuffer msg) therefore, we need
* to send a revoke msg here
*/
if (net_device->send_section_size) {
/* Send the revoke send buffer */
revoke_packet = &net_device->revoke_packet;
memset(revoke_packet, 0, sizeof(struct nvsp_message));

revoke_packet->hdr.msg_type =
NVSP_MSG1_TYPE_REVOKE_SEND_BUF;
revoke_packet->msg.v1_msg.
revoke_send_buf.id = NETVSC_SEND_BUFFER_ID;

ret = vmbus_sendpacket(net_device->dev->channel,
revoke_packet,
sizeof(struct nvsp_message),
(unsigned long)revoke_packet,
VM_PKT_DATA_INBAND, 0);
/*
* If we failed here, we might as well return and have a leak
* rather than continue and a bugchk
*/
if (ret != 0) {
dev_err(&net_device->dev->device, "unable to send "
"revoke send buffer to netvsp");
return -1;
}
}

/* Teardown the gpadl on the vsp end */
if (net_device->send_buf_gpadl_handle) {
ret = vmbus_teardown_gpadl(net_device->dev->channel,
net_device->send_buf_gpadl_handle);

/*
* If we failed here, we might as well return and have a leak
* rather than continue and a bugchk
*/
if (ret != 0) {
dev_err(&net_device->dev->device,
"unable to teardown send buffer's gpadl");
return -1;
}
net_device->send_buf_gpadl_handle = 0;
}

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));
net_device->send_buf = NULL;
}

return ret;
}

static int netvsc_init_send_buf(struct hv_device *device)
{
int ret = 0;
Expand Down Expand Up @@ -436,70 +498,6 @@ static int netvsc_init_send_buf(struct hv_device *device)
return ret;
}

static int netvsc_destroy_send_buf(struct netvsc_device *net_device)
{
struct nvsp_message *revoke_packet;
int ret = 0;

/*
* If we got a section count, it means we received a
* SendReceiveBufferComplete msg (ie sent
* NvspMessage1TypeSendReceiveBuffer msg) therefore, we need
* to send a revoke msg here
*/
if (net_device->send_section_size) {
/* Send the revoke send buffer */
revoke_packet = &net_device->revoke_packet;
memset(revoke_packet, 0, sizeof(struct nvsp_message));

revoke_packet->hdr.msg_type =
NVSP_MSG1_TYPE_REVOKE_SEND_BUF;
revoke_packet->msg.v1_msg.
revoke_send_buf.id = NETVSC_SEND_BUFFER_ID;

ret = vmbus_sendpacket(net_device->dev->channel,
revoke_packet,
sizeof(struct nvsp_message),
(unsigned long)revoke_packet,
VM_PKT_DATA_INBAND, 0);
/*
* If we failed here, we might as well return and have a leak
* rather than continue and a bugchk
*/
if (ret != 0) {
dev_err(&net_device->dev->device, "unable to send "
"revoke send buffer to netvsp");
return -1;
}
}

/* Teardown the gpadl on the vsp end */
if (net_device->send_buf_gpadl_handle) {
ret = vmbus_teardown_gpadl(net_device->dev->channel,
net_device->send_buf_gpadl_handle);

/*
* If we failed here, we might as well return and have a leak
* rather than continue and a bugchk
*/
if (ret != 0) {
dev_err(&net_device->dev->device,
"unable to teardown send buffer's gpadl");
return -1;
}
net_device->send_buf_gpadl_handle = 0;
}

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));
net_device->send_buf = NULL;
}

return ret;
}


static int netvsc_connect_vsp(struct hv_device *device)
{
Expand Down

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