diff options
Diffstat (limited to 'sys/dev/dc/if_dc.c')
| -rw-r--r-- | sys/dev/dc/if_dc.c | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/sys/dev/dc/if_dc.c b/sys/dev/dc/if_dc.c index 29125bf..c65eba0 100644 --- a/sys/dev/dc/if_dc.c +++ b/sys/dev/dc/if_dc.c @@ -2473,6 +2473,7 @@ dc_list_tx_init(struct dc_softc *sc) } cd->dc_tx_prod = cd->dc_tx_cons = cd->dc_tx_cnt = 0; + cd->dc_tx_pkts = 0; bus_dmamap_sync(sc->dc_ltag, sc->dc_lmap, BUS_DMASYNC_PREWRITE | BUS_DMASYNC_PREREAD); return (0); @@ -2841,6 +2842,9 @@ dc_txeof(struct dc_softc *sc) int idx; u_int32_t ctl, txstat; + if (sc->dc_cdata.dc_tx_cnt == 0) + return; + ifp = sc->dc_ifp; /* @@ -2952,6 +2956,13 @@ dc_tick(void *xsc) ifp = sc->dc_ifp; mii = device_get_softc(sc->dc_miibus); + /* + * Reclaim transmitted frames for controllers that do + * not generate TX completion interrupt for every frame. + */ + if (sc->dc_flags & DC_TX_USE_TX_INTR) + dc_txeof(sc); + if (sc->dc_flags & DC_REDUCED_MII_POLL) { if (sc->dc_flags & DC_21143_NWAY) { r = CSR_READ_4(sc, DC_10BTSTAT); @@ -3322,8 +3333,11 @@ dc_encap(struct dc_softc *sc, struct mbuf **m_head) htole32(DC_TXCTL_FINT); if (sc->dc_flags & DC_TX_INTR_ALWAYS) sc->dc_ldata->dc_tx_list[cur].dc_ctl |= htole32(DC_TXCTL_FINT); - if (sc->dc_flags & DC_TX_USE_TX_INTR && sc->dc_cdata.dc_tx_cnt > 64) + if (sc->dc_flags & DC_TX_USE_TX_INTR && + ++sc->dc_cdata.dc_tx_pkts >= 8) { + sc->dc_cdata.dc_tx_pkts = 0; sc->dc_ldata->dc_tx_list[cur].dc_ctl |= htole32(DC_TXCTL_FINT); + } sc->dc_ldata->dc_tx_list[first].dc_status = htole32(DC_TXSTAT_OWN); bus_dmamap_sync(sc->dc_mtag, sc->dc_cdata.dc_tx_map[idx], |
