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Differential D27908 Diff 82535 sys/dev/virtio/network/if_vtnet.c

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sys/dev/virtio/network/if_vtnet.c

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static void vtnet_rx_filter(struct vtnet_softc *); static void vtnet_rx_filter(struct vtnet_softc *);
static void vtnet_rx_filter_mac(struct vtnet_softc *); static void vtnet_rx_filter_mac(struct vtnet_softc *);
static int vtnet_exec_vlan_filter(struct vtnet_softc *, int, uint16_t); static int vtnet_exec_vlan_filter(struct vtnet_softc *, int, uint16_t);
static void vtnet_rx_filter_vlan(struct vtnet_softc *); static void vtnet_rx_filter_vlan(struct vtnet_softc *);
static void vtnet_update_vlan_filter(struct vtnet_softc *, int, uint16_t); static void vtnet_update_vlan_filter(struct vtnet_softc *, int, uint16_t);
static void vtnet_register_vlan(void *, struct ifnet *, uint16_t); static void vtnet_register_vlan(void *, struct ifnet *, uint16_t);
static void vtnet_unregister_vlan(void *, struct ifnet *, uint16_t); static void vtnet_unregister_vlan(void *, struct ifnet *, uint16_t);
static void vtnet_update_speed_duplex(struct vtnet_softc *);
static int vtnet_is_link_up(struct vtnet_softc *); static int vtnet_is_link_up(struct vtnet_softc *);
static void vtnet_update_link_status(struct vtnet_softc *); static void vtnet_update_link_status(struct vtnet_softc *);
static int vtnet_ifmedia_upd(struct ifnet *); static int vtnet_ifmedia_upd(struct ifnet *);
static void vtnet_ifmedia_sts(struct ifnet *, struct ifmediareq *); static void vtnet_ifmedia_sts(struct ifnet *, struct ifmediareq *);
static void vtnet_get_hwaddr(struct vtnet_softc *); static void vtnet_get_hwaddr(struct vtnet_softc *);
static void vtnet_set_hwaddr(struct vtnet_softc *); static void vtnet_set_hwaddr(struct vtnet_softc *);
static void vtnet_vlan_tag_remove(struct mbuf *); static void vtnet_vlan_tag_remove(struct mbuf *);
static void vtnet_set_rx_process_limit(struct vtnet_softc *); static void vtnet_set_rx_process_limit(struct vtnet_softc *);
▲ Show 20 Lines • Show All 761 Lines • ▼ Show 20 Linesvtnet_setup_interface(struct vtnet_softc *sc)
ifp = sc->vtnet_ifp = if_alloc(IFT_ETHER); ifp = sc->vtnet_ifp = if_alloc(IFT_ETHER);
if (ifp == NULL) { if (ifp == NULL) {
device_printf(dev, "cannot allocate ifnet structure\n"); device_printf(dev, "cannot allocate ifnet structure\n");
return (ENOSPC); return (ENOSPC);
} }
if_initname(ifp, device_get_name(dev), device_get_unit(dev)); if_initname(ifp, device_get_name(dev), device_get_unit(dev));
ifp->if_baudrate = IF_Gbps(10); /* Approx. */
ifp->if_softc = sc; ifp->if_softc = sc;
ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST | ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST |
IFF_KNOWSEPOCH; IFF_KNOWSEPOCH;
ifp->if_init = vtnet_init; ifp->if_init = vtnet_init;
ifp->if_ioctl = vtnet_ioctl; ifp->if_ioctl = vtnet_ioctl;
ifp->if_get_counter = vtnet_get_counter; ifp->if_get_counter = vtnet_get_counter;
#ifndef VTNET_LEGACY_TX #ifndef VTNET_LEGACY_TX
ifp->if_transmit = vtnet_txq_mq_start; ifp->if_transmit = vtnet_txq_mq_start;
ifp->if_qflush = vtnet_qflush; ifp->if_qflush = vtnet_qflush;
#else #else
struct virtqueue *vq = sc->vtnet_txqs[0].vtntx_vq; struct virtqueue *vq = sc->vtnet_txqs[0].vtntx_vq;
ifp->if_start = vtnet_start; ifp->if_start = vtnet_start;
IFQ_SET_MAXLEN(&ifp->if_snd, virtqueue_size(vq) - 1); IFQ_SET_MAXLEN(&ifp->if_snd, virtqueue_size(vq) - 1);
ifp->if_snd.ifq_drv_maxlen = virtqueue_size(vq) - 1; ifp->if_snd.ifq_drv_maxlen = virtqueue_size(vq) - 1;
IFQ_SET_READY(&ifp->if_snd); IFQ_SET_READY(&ifp->if_snd);
#endif #endif
ifmedia_init(&sc->vtnet_media, IFM_IMASK, vtnet_ifmedia_upd, if (virtio_with_feature(dev, VIRTIO_NET_F_SPEED_DUPLEX)) {
vtnet_ifmedia_sts); uint32_t speed = virtio_read_dev_config_4(dev,
ifmedia_add(&sc->vtnet_media, VTNET_MEDIATYPE, 0, NULL); offsetof(struct virtio_net_config, speed));
ifmedia_set(&sc->vtnet_media, VTNET_MEDIATYPE); if (speed != -1)
ifp->if_baudrate = IF_Mbps(speed);
else
ifp->if_baudrate = IF_Gbps(10); /* Approx. */
} else
ifp->if_baudrate = IF_Gbps(10); /* Approx. */
ifmedia_init(&sc->vtnet_media, 0, vtnet_ifmedia_upd, vtnet_ifmedia_sts);
ifmedia_add(&sc->vtnet_media, IFM_ETHER | IFM_AUTO, 0, NULL);
ifmedia_set(&sc->vtnet_media, IFM_ETHER | IFM_AUTO);
vtnet_get_hwaddr(sc); vtnet_get_hwaddr(sc);
ether_ifattach(ifp, sc->vtnet_hwaddr); ether_ifattach(ifp, sc->vtnet_hwaddr);
if (virtio_with_feature(dev, VIRTIO_NET_F_STATUS)) if (virtio_with_feature(dev, VIRTIO_NET_F_STATUS))
ifp->if_capabilities |= IFCAP_LINKSTATE; ifp->if_capabilities |= IFCAP_LINKSTATE;
/* Tell the upper layer(s) we support long frames. */ /* Tell the upper layer(s) we support long frames. */
ifp->if_hdrlen = sizeof(struct ether_vlan_header); ifp->if_hdrlen = sizeof(struct ether_vlan_header);
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{ {
if (ifp->if_softc != arg) if (ifp->if_softc != arg)
return; return;
vtnet_update_vlan_filter(arg, 0, tag); vtnet_update_vlan_filter(arg, 0, tag);
} }
static void
vtnet_update_speed_duplex(struct vtnet_softc *sc)
{
device_t dev;
struct ifnet *ifp;
uint32_t speed;
dev = sc->vtnet_dev;
ifp = sc->vtnet_ifp;
/* BMV: Ignore duplex. */
if ((sc->vtnet_features & VIRTIO_NET_F_SPEED_DUPLEX) == 0)
speed = -1;
else
speed = virtio_read_dev_config_4(dev,
offsetof(struct virtio_net_config, speed));
if (speed != -1)
ifp->if_baudrate = IF_Mbps(speed);
}
static int static int
vtnet_is_link_up(struct vtnet_softc *sc) vtnet_is_link_up(struct vtnet_softc *sc)
{ {
device_t dev; device_t dev;
struct ifnet *ifp; struct ifnet *ifp;
uint16_t status; uint16_t status;
dev = sc->vtnet_dev; dev = sc->vtnet_dev;
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static void static void
vtnet_update_link_status(struct vtnet_softc *sc) vtnet_update_link_status(struct vtnet_softc *sc)
{ {
struct ifnet *ifp; struct ifnet *ifp;
int link; int link;
ifp = sc->vtnet_ifp; ifp = sc->vtnet_ifp;
VTNET_CORE_LOCK_ASSERT(sc); VTNET_CORE_LOCK_ASSERT(sc);
link = vtnet_is_link_up(sc); link = vtnet_is_link_up(sc);
/* Notify if the link status has changed. */ /* Notify if the link status has changed. */
if (link != 0 && sc->vtnet_link_active == 0) { if (link != 0 && sc->vtnet_link_active == 0) {
vtnet_update_speed_duplex(sc);
sc->vtnet_link_active = 1; sc->vtnet_link_active = 1;
if_link_state_change(ifp, LINK_STATE_UP); if_link_state_change(ifp, LINK_STATE_UP);
} else if (link == 0 && sc->vtnet_link_active != 0) { } else if (link == 0 && sc->vtnet_link_active != 0) {
sc->vtnet_link_active = 0; sc->vtnet_link_active = 0;
if_link_state_change(ifp, LINK_STATE_DOWN); if_link_state_change(ifp, LINK_STATE_DOWN);
} }
} }
static int static int
vtnet_ifmedia_upd(struct ifnet *ifp) vtnet_ifmedia_upd(struct ifnet *ifp)
{ {
struct vtnet_softc *sc; return (EOPNOTSUPP);
struct ifmedia *ifm;
sc = ifp->if_softc;
ifm = &sc->vtnet_media;
if (IFM_TYPE(ifm->ifm_media) != IFM_ETHER)
return (EINVAL);
return (0);
} }
static void static void
vtnet_ifmedia_sts(struct ifnet *ifp, struct ifmediareq *ifmr) vtnet_ifmedia_sts(struct ifnet *ifp, struct ifmediareq *ifmr)
{ {
struct vtnet_softc *sc; struct vtnet_softc *sc;
sc = ifp->if_softc; sc = ifp->if_softc;
ifmr->ifm_status = IFM_AVALID; ifmr->ifm_status = IFM_AVALID;
ifmr->ifm_active = IFM_ETHER; ifmr->ifm_active = IFM_ETHER;
VTNET_CORE_LOCK(sc); VTNET_CORE_LOCK(sc);
if (vtnet_is_link_up(sc) != 0) { if (vtnet_is_link_up(sc) != 0) {
ifmr->ifm_status |= IFM_ACTIVE; ifmr->ifm_status |= IFM_ACTIVE;
ifmr->ifm_active |= VTNET_MEDIATYPE; ifmr->ifm_active |= IFM_10G_T | IFM_FDX;
} else } else
ifmr->ifm_active |= IFM_NONE; ifmr->ifm_active |= IFM_NONE;
VTNET_CORE_UNLOCK(sc); VTNET_CORE_UNLOCK(sc);
} }
static void static void
vtnet_set_hwaddr(struct vtnet_softc *sc) vtnet_set_hwaddr(struct vtnet_softc *sc)
{ {
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