diff options
Diffstat (limited to 'sys/pci/if_xl.c')
| -rw-r--r-- | sys/pci/if_xl.c | 33 |
1 files changed, 32 insertions, 1 deletions
diff --git a/sys/pci/if_xl.c b/sys/pci/if_xl.c index 4730185..a48823c 100644 --- a/sys/pci/if_xl.c +++ b/sys/pci/if_xl.c @@ -205,6 +205,7 @@ static int xl_encap_90xB __P((struct xl_softc *, struct xl_chain *, struct mbuf * )); static void xl_rxeof __P((struct xl_softc *)); +static int xl_rx_resync __P((struct xl_softc *)); static void xl_txeof __P((struct xl_softc *)); static void xl_txeof_90xB __P((struct xl_softc *)); static void xl_txeoc __P((struct xl_softc *)); @@ -1676,6 +1677,28 @@ static int xl_newbuf(sc, c) return(0); } +static int xl_rx_resync(sc) + struct xl_softc *sc; +{ + struct xl_chain_onefrag *pos; + int i; + + pos = sc->xl_cdata.xl_rx_head; + + for (i = 0; i < XL_RX_LIST_CNT; i++) { + if (pos->xl_ptr->xl_status) + break; + pos = pos->xl_next; + } + + if (i == XL_RX_LIST_CNT) + return(0); + + sc->xl_cdata.xl_rx_head = pos; + + return(EAGAIN); +} + /* * A frame has been uploaded: pass the resulting mbuf chain up to * the higher level protocols. @@ -1981,8 +2004,16 @@ static void xl_intr(arg) CSR_WRITE_2(sc, XL_COMMAND, XL_CMD_INTR_ACK|(status & XL_INTRS)); - if (status & XL_STAT_UP_COMPLETE) + if (status & XL_STAT_UP_COMPLETE) { + int curpkts; + + curpkts = ifp->if_ipackets; xl_rxeof(sc); + if (curpkts == ifp->if_ipackets) { + while (xl_rx_resync(sc)) + xl_rxeof(sc); + } + } if (status & XL_STAT_DOWN_COMPLETE) { if (sc->xl_type == XL_TYPE_905B) |
