diff options
Diffstat (limited to 'sys/dev/et')
| -rw-r--r-- | sys/dev/et/if_et.c | 40 |
1 files changed, 22 insertions, 18 deletions
diff --git a/sys/dev/et/if_et.c b/sys/dev/et/if_et.c index 565eee3..8138d90 100644 --- a/sys/dev/et/if_et.c +++ b/sys/dev/et/if_et.c @@ -338,7 +338,8 @@ et_attach(device_t dev) ifp->if_mtu = ETHERMTU; ifp->if_capabilities = IFCAP_TXCSUM | IFCAP_VLAN_MTU; ifp->if_capenable = ifp->if_capabilities; - IFQ_SET_MAXLEN(&ifp->if_snd, ET_TX_NDESC); + ifp->if_snd.ifq_drv_maxlen = ET_TX_NDESC - 1; + IFQ_SET_MAXLEN(&ifp->if_snd, ET_TX_NDESC - 1); IFQ_SET_READY(&ifp->if_snd); et_chip_attach(sc); @@ -1257,12 +1258,13 @@ et_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data) static void et_start_locked(struct ifnet *ifp) { - struct et_softc *sc = ifp->if_softc; + struct et_softc *sc; + struct mbuf *m_head = NULL; struct et_txbuf_data *tbd; - int trans; + int enq; + sc = ifp->if_softc; ET_LOCK_ASSERT(sc); - tbd = &sc->sc_tx_data; if ((sc->sc_flags & ET_FLAG_TXRX_ENABLED) == 0) return; @@ -1270,30 +1272,32 @@ et_start_locked(struct ifnet *ifp) if ((ifp->if_drv_flags & (IFF_DRV_RUNNING | IFF_DRV_OACTIVE)) != IFF_DRV_RUNNING) return; - trans = 0; - for (;;) { - struct mbuf *m; - - if ((tbd->tbd_used + ET_NSEG_SPARE) > ET_TX_NDESC) { + tbd = &sc->sc_tx_data; + for (enq = 0; !IFQ_DRV_IS_EMPTY(&ifp->if_snd); ) { + if (tbd->tbd_used + ET_NSEG_SPARE >= ET_TX_NDESC) { ifp->if_drv_flags |= IFF_DRV_OACTIVE; break; } - IFQ_DEQUEUE(&ifp->if_snd, m); - if (m == NULL) + IFQ_DRV_DEQUEUE(&ifp->if_snd, m_head); + if (m_head == NULL) break; - if (et_encap(sc, &m)) { - ifp->if_oerrors++; - ifp->if_drv_flags |= IFF_DRV_OACTIVE; + if (et_encap(sc, &m_head)) { + if (m_head == NULL) { + ifp->if_oerrors++; + break; + } + IFQ_DRV_PREPEND(&ifp->if_snd, m_head); + if (tbd->tbd_used > 0) + ifp->if_drv_flags |= IFF_DRV_OACTIVE; break; } - trans = 1; - - BPF_MTAP(ifp, m); + enq++; + ETHER_BPF_MTAP(ifp, m_head); } - if (trans) + if (enq > 0) sc->watchdog_timer = 5; } |
