Differential D7501 Diff 19323 head/sys/dev/hyperv/netvsc/hv_rndis_filter.c

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head/sys/dev/hyperv/netvsc/hv_rndis_filter.c

Show First 20 Lines • Show All 271 Lines • ▼ Show 20 Lines	hv_rf_send_request(rndis_device device, rndis_request request,

if (message_type != REMOTE_NDIS_HALT_MSG)		if (message_type != REMOTE_NDIS_HALT_MSG)
cb = hn_rndis_sent_cb;		cb = hn_rndis_sent_cb;
else		else
cb = hn_rndis_sent_halt;		cb = hn_rndis_sent_halt;

if (tot_data_buf_len < net_dev->send_section_size) {		if (tot_data_buf_len < net_dev->send_section_size) {
send_buf_section_idx = hv_nv_get_next_send_section(net_dev);		send_buf_section_idx = hv_nv_get_next_send_section(net_dev);
if (send_buf_section_idx !=		if (send_buf_section_idx != HN_NVS_CHIM_IDX_INVALID) {
NVSP_1_CHIMNEY_SEND_INVALID_SECTION_INDEX) {
char dest = ((char )net_dev->send_buf +		char dest = ((char )net_dev->send_buf +
send_buf_section_idx * net_dev->send_section_size);		send_buf_section_idx * net_dev->send_section_size);

memcpy(dest, &request->request_msg, request->request_msg.msg_len);		memcpy(dest, &request->request_msg, request->request_msg.msg_len);
send_buf_section_size = tot_data_buf_len;		send_buf_section_size = tot_data_buf_len;
gpa_cnt = 0;		gpa_cnt = 0;
goto sendit;		goto sendit;
}		}
/* Failed to allocate chimney send buffer; move on */		/* Failed to allocate chimney send buffer; move on */
}		}
send_buf_section_idx = NVSP_1_CHIMNEY_SEND_INVALID_SECTION_INDEX;		send_buf_section_idx = HN_NVS_CHIM_IDX_INVALID;
send_buf_section_size = 0;		send_buf_section_size = 0;

sendit:		sendit:
hn_send_ctx_init(&request->send_ctx, cb, request,		hn_send_ctx_init(&request->send_ctx, cb, request,
send_buf_section_idx, send_buf_section_size);		send_buf_section_idx, send_buf_section_size);
return hv_nv_on_send(device->net_dev->sc->hn_prichan, false,		return hv_nv_on_send(device->net_dev->sc->hn_prichan,
&request->send_ctx, gpa, gpa_cnt);		HN_NVS_RNDIS_MTYPE_CTRL, &request->send_ctx, gpa, gpa_cnt);
}		}

/*		/*
* RNDIS filter receive response		* RNDIS filter receive response
*/		*/
static void		static void
hv_rf_receive_response(rndis_device device, rndis_msg response)		hv_rf_receive_response(rndis_device device, rndis_msg response)
{		{
▲ Show 20 Lines • Show All 963 Lines • ▼ Show 20 Lines	hv_rf_on_close(struct hn_softc *sc)
return (hv_rf_close_device((rndis_device *)net_dev->extension));		return (hv_rf_close_device((rndis_device *)net_dev->extension));
}		}

static void		static void
hn_rndis_sent_cb(struct hn_send_ctx sndc, struct netvsc_dev_ net_dev,		hn_rndis_sent_cb(struct hn_send_ctx sndc, struct netvsc_dev_ net_dev,
struct vmbus_channel chan __unused, const struct nvsp_msg_ msg __unused,		struct vmbus_channel chan __unused, const struct nvsp_msg_ msg __unused,
int dlen __unused)		int dlen __unused)
{		{
if (sndc->hn_chim_idx != NVSP_1_CHIMNEY_SEND_INVALID_SECTION_INDEX)		if (sndc->hn_chim_idx != HN_NVS_CHIM_IDX_INVALID)
hn_chim_free(net_dev, sndc->hn_chim_idx);		hn_chim_free(net_dev, sndc->hn_chim_idx);
}		}

static void		static void
hn_rndis_sent_halt(struct hn_send_ctx sndc, struct netvsc_dev_ net_dev,		hn_rndis_sent_halt(struct hn_send_ctx sndc, struct netvsc_dev_ net_dev,
struct vmbus_channel chan __unused, const struct nvsp_msg_ msg __unused,		struct vmbus_channel chan __unused, const struct nvsp_msg_ msg __unused,
int dlen __unused)		int dlen __unused)
{		{
rndis_request *request = sndc->hn_cbarg;		rndis_request *request = sndc->hn_cbarg;

if (sndc->hn_chim_idx != NVSP_1_CHIMNEY_SEND_INVALID_SECTION_INDEX)		if (sndc->hn_chim_idx != HN_NVS_CHIM_IDX_INVALID)
hn_chim_free(net_dev, sndc->hn_chim_idx);		hn_chim_free(net_dev, sndc->hn_chim_idx);

/*		/*
* Notify hv_rf_halt_device() about halt completion.		* Notify hv_rf_halt_device() about halt completion.
* The halt code must wait for completion before freeing		* The halt code must wait for completion before freeing
* the transaction resources.		* the transaction resources.
*/		*/
request->halt_complete_flag = 1;		request->halt_complete_flag = 1;
}		}

void		void
hv_rf_channel_rollup(struct hn_rx_ring rxr, struct hn_tx_ring txr)		hv_rf_channel_rollup(struct hn_rx_ring rxr, struct hn_tx_ring txr)
{		{

netvsc_channel_rollup(rxr, txr);		netvsc_channel_rollup(rxr, txr);
}		}