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hyperv/hn: Reorganize RNDIS attach

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MFC after:	1 week
Sponsored by:	Microsoft
Differential Revision:	https://reviews.freebsd.org/D7830
This commit is contained in:
Sepherosa Ziehau 2016-09-12 05:59:39 +00:00
parent 2cd02514a1
commit 2a3a8a823c
1 changed files with 24 additions and 24 deletions
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44
sys/dev/hyperv/netvsc/hv_rndis_filter.c
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@ -78,7 +78,6 @@ static void hv_rf_receive_data(struct hn_rx_ring *rxr,
static int hv_rf_query_device_mac(struct hn_softc *sc, uint8_t *eaddr);
static int hv_rf_query_device_link_status(struct hn_softc *sc,
uint32_t *link_status);
static int hv_rf_init_device(struct hn_softc *sc);
static int hn_rndis_query(struct hn_softc *sc, uint32_t oid,
const void *idata, size_t idlen, void *odata, size_t *odlen0);
@ -922,11 +921,8 @@ hn_rndis_set_rxfilter(struct hn_softc *sc, uint32_t filter)
return (error);
}
/*
* RNDIS filter init device
*/
static int
hv_rf_init_device(struct hn_softc *sc)
hn_rndis_init(struct hn_softc *sc)
{
struct rndis_init_req *req;
const struct rndis_init_comp *comp;
@ -1007,9 +1003,26 @@ hv_rf_halt_device(struct hn_softc *sc)
return (0);
}
static int
hn_rndis_attach(struct hn_softc *sc)
{
int error;
/*
* RNDIS filter on device add
* Initialize RNDIS.
*/
error = hn_rndis_init(sc);
if (error)
return (error);
/*
* Configure NDIS offload settings.
* XXX no offloading, if error happened?
*/
hn_rndis_conf_offload(sc);
return (0);
}
int
hv_rf_on_device_add(struct hn_softc *sc, void *additl_info,
int *nchan0, int mtu)
@ -1023,28 +1036,15 @@ hv_rf_on_device_add(struct hn_softc *sc, void *additl_info,
if (ret != 0)
return (ret);
/*
* Initialize the rndis device
*/
/* Send the rndis initialization message */
ret = hv_rf_init_device(sc);
if (ret != 0) {
/*
* TODO: If rndis init failed, we will need to shut down
* the channel
*/
}
ret = hn_rndis_attach(sc);
if (ret != 0)
return (ret);
/* Get the mac address */
ret = hv_rf_query_device_mac(sc, dev_info->mac_addr);
if (ret != 0) {
/* TODO: shut down rndis device and the channel */
}
/* Configure NDIS offload settings */
hn_rndis_conf_offload(sc);
hv_rf_query_device_link_status(sc, &dev_info->link_state);
if (sc->hn_ndis_ver < HN_NDIS_VERSION_6_30 || nchan == 1) {