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hyperv/hn: Pass channel as the channel callback argument

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This is the preamble to pass channel back to hn(4) upon TX/RX done.

Reviewed by:	Hongjiang Zhang <honzhan microsoft com>
MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D5452
This commit is contained in:
Sepherosa Ziehau 2016-02-26 09:29:50 +00:00
parent b96a7ad189
commit 654bf1ec96
1 changed files with 5 additions and 4 deletions
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9
sys/dev/hyperv/netvsc/hv_net_vsc.c
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@ -679,7 +679,7 @@ hv_nv_on_device_add(struct hv_device *device, void *additional_info)
*/
ret = hv_vmbus_channel_open(device->channel,
NETVSC_DEVICE_RING_BUFFER_SIZE, NETVSC_DEVICE_RING_BUFFER_SIZE,
NULL, 0, hv_nv_on_channel_callback, device);
NULL, 0, hv_nv_on_channel_callback, device->channel);
if (ret != 0)
goto cleanup;
@ -972,9 +972,10 @@ retry_send_cmplt:
* Net VSC on channel callback
*/
static void
hv_nv_on_channel_callback(void *context)
hv_nv_on_channel_callback(void *xchan)
{
struct hv_device *device = (struct hv_device *)context;
struct hv_vmbus_channel *chan = xchan;
struct hv_device *device = chan->device;
netvsc_dev *net_dev;
device_t dev = device->device;
uint32_t bytes_rxed;
@ -991,7 +992,7 @@ hv_nv_on_channel_callback(void *context)
buffer = net_dev->callback_buf;
do {
ret = hv_vmbus_channel_recv_packet_raw(device->channel,
ret = hv_vmbus_channel_recv_packet_raw(chan,
buffer, bufferlen, &bytes_rxed, &request_id);
if (ret == 0) {
if (bytes_rxed > 0) {