X-Git-Url: http://git.joshuawise.com/netwatch.git/blobdiff_plain/d401e73e740bcf5e7d1b66aeae9839493a8c1686..057f0bb976a93bfa290b20a2192837e324573d9b:/net/3c90x.c?ds=inline diff --git a/net/3c90x.c b/net/3c90x.c index ea7914c..a1b319c 100644 --- a/net/3c90x.c +++ b/net/3c90x.c @@ -478,8 +478,23 @@ static void a3c90x_transmit(struct pbuf *p) { unsigned char status; - static unsigned int stillwaiting = 0; + static struct pbuf *oldpbuf = NULL; unsigned int n, len; + + if (oldpbuf) + { + while (!(inw(INF_3C90X.IOAddr + regCommandIntStatus_w) & INT_TXCOMPLETE) && oneshot_running()) + ; + if (!(inw(INF_3C90X.IOAddr + regCommandIntStatus_w) & INT_TXCOMPLETE)) + { + outputf("3c90x: tx timeout? txstat %02x", inb(INF_3C90X.IOAddr + regTxStatus_b)); + outputf("3c90x: Gen sts %04x", inw(INF_3C90X.IOAddr + regCommandIntStatus_w)); + } + status = inb(INF_3C90X.IOAddr + regTxStatus_b); + outb(INF_3C90X.IOAddr + regTxStatus_b, 0x00); + pbuf_free(oldpbuf); + oldpbuf = NULL; + } _issue_command(INF_3C90X.IOAddr, cmdStallCtl, 2 /* Stall download */); @@ -487,11 +502,13 @@ a3c90x_transmit(struct pbuf *p) INF_3C90X.TransmitDPD.DnNextPtr = 0; len = 0; n = 0; + oldpbuf = p; for (; p; p = p->next) { INF_3C90X.TransmitDPD.segments[n].addr = v2p(p->payload); INF_3C90X.TransmitDPD.segments[n].len = p->len | (p->next ? 0 : (1 << 31)); len += p->len; + pbuf_ref(p); n++; } /** set notification for transmission completion (bit 15) **/ @@ -512,22 +529,6 @@ a3c90x_transmit(struct pbuf *p) return; } - oneshot_start_ms(10); - stillwaiting = 1; - if (stillwaiting) - { - while (!(inw(INF_3C90X.IOAddr + regCommandIntStatus_w) & INT_TXCOMPLETE) && oneshot_running()) - ; - if (!(inw(INF_3C90X.IOAddr + regCommandIntStatus_w) & INT_TXCOMPLETE)) - { - outputf("3c90x: tx timeout? txstat %02x", inb(INF_3C90X.IOAddr + regTxStatus_b)); - outputf("3c90x: Gen sts %04x", inw(INF_3C90X.IOAddr + regCommandIntStatus_w)); - } - status = inb(INF_3C90X.IOAddr + regTxStatus_b); - outb(INF_3C90X.IOAddr + regTxStatus_b, 0x00); - stillwaiting = 0; - } - #if 0 /** successful completion (sans "interrupt Requested" bit) **/ if ((status & 0xbf) == 0x80)