diff options
| -rw-r--r-- | sys/dev/ic/an.c | 32 |
1 files changed, 14 insertions, 18 deletions
diff --git a/sys/dev/ic/an.c b/sys/dev/ic/an.c index 7f5f47b3963..eb62f21554f 100644 --- a/sys/dev/ic/an.c +++ b/sys/dev/ic/an.c @@ -1,4 +1,4 @@ -/* $OpenBSD: an.c,v 1.51 2006/05/22 20:35:12 krw Exp $ */ +/* $OpenBSD: an.c,v 1.52 2006/06/25 18:50:51 mickey Exp $ */ /* $NetBSD: an.c,v 1.34 2005/06/20 02:49:18 atatat Exp $ */ /* * Copyright (c) 1997, 1998, 1999 @@ -146,7 +146,7 @@ void an_linkstat_intr(struct an_softc *); int an_cmd(struct an_softc *, int, int); int an_seek_bap(struct an_softc *, int, int); -int an_read_bap(struct an_softc *, int, int, void *, int); +int an_read_bap(struct an_softc *, int, int, void *, int, int); int an_write_bap(struct an_softc *, int, int, void *, int); int an_mwrite_bap(struct an_softc *, int, int, struct mbuf *, int); int an_read_rid(struct an_softc *, int, void *, int *); @@ -367,7 +367,7 @@ an_rxeof(struct an_softc *sc) fid = CSR_READ_2(sc, AN_RX_FID); /* First read in the frame header */ - if (an_read_bap(sc, fid, 0, &frmhdr, sizeof(frmhdr)) != 0) { + if (an_read_bap(sc, fid, 0, &frmhdr, sizeof(frmhdr), sizeof(frmhdr)) != 0) { CSR_WRITE_2(sc, AN_EVENT_ACK, AN_EV_RX); ifp->if_ierrors++; DPRINTF(("an_rxeof: read fid %x failed\n", fid)); @@ -437,12 +437,13 @@ an_rxeof(struct an_softc *sc) */ gap = m->m_data + sizeof(struct ieee80211_frame) - sizeof(uint16_t); - an_read_bap(sc, fid, -1, gap, gaplen + sizeof(u_int16_t)); + an_read_bap(sc, fid, -1, gap, gaplen + sizeof(u_int16_t), + gaplen + sizeof(u_int16_t)); } else gaplen = 0; an_read_bap(sc, fid, -1, - m->m_data + sizeof(struct ieee80211_frame) + gaplen, len); + m->m_data + sizeof(struct ieee80211_frame) + gaplen, len, len); an_swap16((u_int16_t *)(m->m_data + sizeof(struct ieee80211_frame) + gaplen), (len+1)/2); m->m_pkthdr.len = m->m_len = sizeof(struct ieee80211_frame) + gaplen + len; @@ -695,11 +696,11 @@ an_wait(struct an_softc *sc) } int -an_read_bap(struct an_softc *sc, int id, int off, void *buf, int buflen) +an_read_bap(struct an_softc *sc, int id, int off, void *buf, int len, int blen) { - int error, cnt; + int error, cnt, cnt2; - if (buflen == 0) + if (len == 0 || blen == 0) return 0; if (off == -1) off = sc->sc_bap_off; @@ -708,8 +709,10 @@ an_read_bap(struct an_softc *sc, int id, int off, void *buf, int buflen) return EIO; } - cnt = (buflen + 1) / 2; + cnt = (blen + 1) / 2; CSR_READ_MULTI_STREAM_2(sc, AN_DATA0, (u_int16_t *)buf, cnt); + for (cnt2 = (len + 1) / 2; cnt < cnt2; cnt++) + (void) CSR_READ_2(sc, AN_DATA0); sc->sc_bap_off += cnt * 2; return 0; @@ -841,19 +844,12 @@ an_read_rid(struct an_softc *sc, int rid, void *buf, int *buflenp) return error; /* length in byte, including length itself */ - error = an_read_bap(sc, rid, 0, &len, sizeof(len)); + error = an_read_bap(sc, rid, 0, &len, sizeof(len), sizeof(len)); if (error) return error; len -= 2; - if (*buflenp < len) { - printf("%s: record buffer is too small, " - "rid=%x, size=%d, len=%d\n", - sc->sc_dev.dv_xname, rid, *buflenp, len); - return ENOSPC; - } - *buflenp = len; - return an_read_bap(sc, rid, sizeof(len), buf, len); + return an_read_bap(sc, rid, sizeof(len), buf, len, *buflenp); } int |