Differential D7553 Diff 19477 head/sys/dev/hyperv/netvsc/hv_net_vsc.c

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

Show First 20 Lines • Show All 587 Lines • ▼ Show 20 Lines	hv_nv_connect_to_vsp(struct hn_softc *sc)
net_dev = hv_nv_get_outbound_net_device(sc);		net_dev = hv_nv_get_outbound_net_device(sc);

/*		/*
* Negotiate the NVSP version. Try the latest NVSP first.		* Negotiate the NVSP version. Try the latest NVSP first.
*/		*/
for (i = protocol_number - 1; i >= 0; i--) {		for (i = protocol_number - 1; i >= 0; i--) {
if (hv_nv_negotiate_nvsp_protocol(sc, net_dev,		if (hv_nv_negotiate_nvsp_protocol(sc, net_dev,
protocol_list[i]) == 0) {		protocol_list[i]) == 0) {
net_dev->nvsp_version = protocol_list[i];		sc->hn_nvs_ver = protocol_list[i];
if (bootverbose)		if (bootverbose) {
device_printf(dev, "Netvsc: got version 0x%x\n",		device_printf(dev, "NVS version 0x%x\n",
net_dev->nvsp_version);		sc->hn_nvs_ver);
		}
break;		break;
}		}
}		}

if (i < 0) {		if (i < 0) {
if (bootverbose)		if (bootverbose)
device_printf(dev, "failed to negotiate a valid "		device_printf(dev, "failed to negotiate a valid "
"protocol.\n");		"protocol.\n");
return (EPROTO);		return (EPROTO);
}		}

/*		/*
* Set the MTU if supported by this NVSP protocol version		* Set the MTU if supported by this NVSP protocol version
* This needs to be right after the NVSP init message per Haiyang		* This needs to be right after the NVSP init message per Haiyang
*/		*/
if (net_dev->nvsp_version >= NVSP_PROTOCOL_VERSION_2)		if (sc->hn_nvs_ver >= NVSP_PROTOCOL_VERSION_2)
ret = hv_nv_send_ndis_config(sc, ifp->if_mtu);		ret = hv_nv_send_ndis_config(sc, ifp->if_mtu);

/*		/*
* Initialize NDIS.		* Initialize NDIS.
*/		*/

memset(&ndis, 0, sizeof(ndis));		memset(&ndis, 0, sizeof(ndis));
ndis.nvs_type = HN_NVS_TYPE_NDIS_INIT;		ndis.nvs_type = HN_NVS_TYPE_NDIS_INIT;
ndis.nvs_ndis_major = NDIS_VERSION_MAJOR_6;		ndis.nvs_ndis_major = NDIS_VERSION_MAJOR_6;
if (net_dev->nvsp_version <= NVSP_PROTOCOL_VERSION_4)		if (sc->hn_nvs_ver <= NVSP_PROTOCOL_VERSION_4)
ndis.nvs_ndis_minor = NDIS_VERSION_MINOR_1;		ndis.nvs_ndis_minor = NDIS_VERSION_MINOR_1;
else		else
ndis.nvs_ndis_minor = NDIS_VERSION_MINOR_30;		ndis.nvs_ndis_minor = NDIS_VERSION_MINOR_30;

/* NOTE: No response. */		/* NOTE: No response. */
ret = hn_nvs_send(sc->hn_prichan, VMBUS_CHANPKT_FLAG_NONE,		ret = hn_nvs_send(sc->hn_prichan, VMBUS_CHANPKT_FLAG_NONE,
&ndis, sizeof(ndis), &hn_send_ctx_none);		&ndis, sizeof(ndis), &hn_send_ctx_none);
if (ret != 0) {		if (ret != 0) {
if_printf(sc->hn_ifp, "send nvs ndis init failed: %d\n", ret);		if_printf(sc->hn_ifp, "send nvs ndis init failed: %d\n", ret);
goto cleanup;		goto cleanup;
}		}

/* Post the big receive buffer to NetVSP */		/* Post the big receive buffer to NetVSP */
if (net_dev->nvsp_version <= NVSP_PROTOCOL_VERSION_2)		if (sc->hn_nvs_ver <= NVSP_PROTOCOL_VERSION_2)
net_dev->rx_buf_size = NETVSC_RECEIVE_BUFFER_SIZE_LEGACY;		net_dev->rx_buf_size = NETVSC_RECEIVE_BUFFER_SIZE_LEGACY;
else		else
net_dev->rx_buf_size = NETVSC_RECEIVE_BUFFER_SIZE;		net_dev->rx_buf_size = NETVSC_RECEIVE_BUFFER_SIZE;
net_dev->send_buf_size = NETVSC_SEND_BUFFER_SIZE;		net_dev->send_buf_size = NETVSC_SEND_BUFFER_SIZE;

ret = hv_nv_init_rx_buffer_with_net_vsp(sc);		ret = hv_nv_init_rx_buffer_with_net_vsp(sc);
if (ret == 0)		if (ret == 0)
ret = hv_nv_init_send_buffer_with_net_vsp(sc);		ret = hv_nv_init_send_buffer_with_net_vsp(sc);
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