svn commit: r305581 - head/sys/dev/hyperv/netvsc
Sepherosa Ziehau
sephe at FreeBSD.org
Thu Sep 8 06:42:32 UTC 2016
Author: sephe
Date: Thu Sep 8 06:42:30 2016
New Revision: 305581
URL: https://svnweb.freebsd.org/changeset/base/305581
Log:
hyperv/hn: Pass MTU around.
MFC after: 1 week
Sponsored by: Microsoft
Differential Revision: https://reviews.freebsd.org/D7808
Modified:
head/sys/dev/hyperv/netvsc/hv_net_vsc.c
head/sys/dev/hyperv/netvsc/hv_net_vsc.h
head/sys/dev/hyperv/netvsc/hv_netvsc_drv_freebsd.c
head/sys/dev/hyperv/netvsc/hv_rndis_filter.c
head/sys/dev/hyperv/netvsc/hv_rndis_filter.h
Modified: head/sys/dev/hyperv/netvsc/hv_net_vsc.c
==============================================================================
--- head/sys/dev/hyperv/netvsc/hv_net_vsc.c Thu Sep 8 06:23:08 2016 (r305580)
+++ head/sys/dev/hyperv/netvsc/hv_net_vsc.c Thu Sep 8 06:42:30 2016 (r305581)
@@ -61,7 +61,7 @@ static int hv_nv_init_send_buffer_with_
static int hv_nv_init_rx_buffer_with_net_vsp(struct hn_softc *);
static int hv_nv_destroy_send_buffer(struct hn_softc *sc);
static int hv_nv_destroy_rx_buffer(struct hn_softc *sc);
-static int hv_nv_connect_to_vsp(struct hn_softc *sc);
+static int hv_nv_connect_to_vsp(struct hn_softc *sc, int mtu);
static void hn_nvs_sent_none(struct hn_send_ctx *sndc,
struct hn_softc *, struct vmbus_channel *chan,
const void *, int);
@@ -526,10 +526,9 @@ hn_nvs_init(struct hn_softc *sc)
* Net VSC connect to VSP
*/
static int
-hv_nv_connect_to_vsp(struct hn_softc *sc)
+hv_nv_connect_to_vsp(struct hn_softc *sc, int mtu)
{
int ret = 0;
- struct ifnet *ifp = sc->hn_ifp;
struct hn_nvs_ndis_init ndis;
ret = hn_nvs_init(sc);
@@ -541,7 +540,7 @@ hv_nv_connect_to_vsp(struct hn_softc *sc
* This needs to be right after the NVSP init message per Haiyang
*/
if (sc->hn_nvs_ver >= HN_NVS_VERSION_2)
- ret = hv_nv_send_ndis_config(sc, ifp->if_mtu);
+ ret = hv_nv_send_ndis_config(sc, mtu);
/*
* Initialize NDIS.
@@ -583,13 +582,13 @@ hv_nv_disconnect_from_vsp(struct hn_soft
* Callback when the device belonging to this driver is added
*/
int
-hv_nv_on_device_add(struct hn_softc *sc)
+hv_nv_on_device_add(struct hn_softc *sc, int mtu)
{
/*
* Connect with the NetVsp
*/
- return (hv_nv_connect_to_vsp(sc));
+ return (hv_nv_connect_to_vsp(sc, mtu));
}
/*
Modified: head/sys/dev/hyperv/netvsc/hv_net_vsc.h
==============================================================================
--- head/sys/dev/hyperv/netvsc/hv_net_vsc.h Thu Sep 8 06:23:08 2016 (r305580)
+++ head/sys/dev/hyperv/netvsc/hv_net_vsc.h Thu Sep 8 06:42:30 2016 (r305581)
@@ -261,7 +261,7 @@ extern int hv_promisc_mode;
struct hn_send_ctx;
void netvsc_linkstatus_callback(struct hn_softc *sc, uint32_t status);
-int hv_nv_on_device_add(struct hn_softc *sc);
+int hv_nv_on_device_add(struct hn_softc *sc, int mtu);
int hv_nv_on_device_remove(struct hn_softc *sc);
int hv_nv_on_send(struct vmbus_channel *chan, uint32_t rndis_mtype,
struct hn_send_ctx *sndc, struct vmbus_gpa *gpa, int gpa_cnt);
Modified: head/sys/dev/hyperv/netvsc/hv_netvsc_drv_freebsd.c
==============================================================================
--- head/sys/dev/hyperv/netvsc/hv_netvsc_drv_freebsd.c Thu Sep 8 06:23:08 2016 (r305580)
+++ head/sys/dev/hyperv/netvsc/hv_netvsc_drv_freebsd.c Thu Sep 8 06:42:30 2016 (r305581)
@@ -528,7 +528,6 @@ netvsc_attach(device_t dev)
ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST;
ifp->if_ioctl = hn_ioctl;
ifp->if_init = hn_ifinit;
- /* needed by hv_rf_on_device_add() code */
ifp->if_mtu = ETHERMTU;
if (hn_use_if_start) {
int qdepth = hn_get_txswq_depth(&sc->hn_tx_ring[0]);
@@ -565,7 +564,7 @@ netvsc_attach(device_t dev)
if (sc->hn_xact == NULL)
goto failed;
- error = hv_rf_on_device_add(sc, &device_info, &ring_cnt);
+ error = hv_rf_on_device_add(sc, &device_info, &ring_cnt, ETHERMTU);
if (error)
goto failed;
KASSERT(ring_cnt > 0 && ring_cnt <= sc->hn_rx_ring_inuse,
@@ -1584,7 +1583,8 @@ hn_ioctl(struct ifnet *ifp, u_long cmd,
hn_chan_attach(sc, sc->hn_prichan); /* XXX check error */
ring_cnt = sc->hn_rx_ring_inuse;
- error = hv_rf_on_device_add(sc, &device_info, &ring_cnt);
+ error = hv_rf_on_device_add(sc, &device_info, &ring_cnt,
+ ifr->ifr_mtu);
if (error) {
NV_LOCK(sc);
sc->temp_unusable = FALSE;
Modified: head/sys/dev/hyperv/netvsc/hv_rndis_filter.c
==============================================================================
--- head/sys/dev/hyperv/netvsc/hv_rndis_filter.c Thu Sep 8 06:23:08 2016 (r305580)
+++ head/sys/dev/hyperv/netvsc/hv_rndis_filter.c Thu Sep 8 06:42:30 2016 (r305581)
@@ -1012,7 +1012,7 @@ hv_rf_halt_device(struct hn_softc *sc)
*/
int
hv_rf_on_device_add(struct hn_softc *sc, void *additl_info,
- int *nchan0)
+ int *nchan0, int mtu)
{
int ret;
netvsc_device_info *dev_info = (netvsc_device_info *)additl_info;
@@ -1031,7 +1031,7 @@ hv_rf_on_device_add(struct hn_softc *sc,
* (hv_rf_on_receive()) before this call is completed.
* Note: Earlier code used a function pointer here.
*/
- ret = hv_nv_on_device_add(sc);
+ ret = hv_nv_on_device_add(sc, mtu);
if (ret != 0)
return (ret);
Modified: head/sys/dev/hyperv/netvsc/hv_rndis_filter.h
==============================================================================
--- head/sys/dev/hyperv/netvsc/hv_rndis_filter.h Thu Sep 8 06:23:08 2016 (r305580)
+++ head/sys/dev/hyperv/netvsc/hv_rndis_filter.h Thu Sep 8 06:42:30 2016 (r305581)
@@ -43,7 +43,8 @@ struct hn_rx_ring;
void hv_rf_on_receive(struct hn_softc *sc, struct hn_rx_ring *rxr,
const void *data, int dlen);
void hv_rf_channel_rollup(struct hn_rx_ring *rxr, struct hn_tx_ring *txr);
-int hv_rf_on_device_add(struct hn_softc *sc, void *additl_info, int *nchan);
+int hv_rf_on_device_add(struct hn_softc *sc, void *additl_info, int *nchan,
+ int mtu);
int hv_rf_on_device_remove(struct hn_softc *sc);
int hv_rf_on_open(struct hn_softc *sc);
int hv_rf_on_close(struct hn_softc *sc);
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