diff options
Diffstat (limited to 'sys/dev/usb/net/if_axe.c')
| -rw-r--r-- | sys/dev/usb/net/if_axe.c | 73 |
1 files changed, 31 insertions, 42 deletions
diff --git a/sys/dev/usb/net/if_axe.c b/sys/dev/usb/net/if_axe.c index 98dac91..8be6fc8 100644 --- a/sys/dev/usb/net/if_axe.c +++ b/sys/dev/usb/net/if_axe.c @@ -200,7 +200,8 @@ static const struct usb_config axe_config[AXE_N_TRANSFER] = { .type = UE_BULK, .endpoint = UE_ADDR_ANY, .direction = UE_DIR_OUT, - .bufsize = AXE_BULK_BUF_SIZE, + .frames = 16, + .bufsize = 16 * MCLBYTES, .flags = {.pipe_bof = 1,.force_short_xfer = 1,}, .callback = axe_bulk_write_callback, .timeout = 10000, /* 10 seconds */ @@ -939,7 +940,7 @@ axe_bulk_write_callback(struct usb_xfer *xfer, usb_error_t error) struct ifnet *ifp = uether_getifp(&sc->sc_ue); struct usb_page_cache *pc; struct mbuf *m; - int pos; + int nframes, pos; switch (USB_GET_STATE(xfer)) { case USB_ST_TRANSFERRED: @@ -956,40 +957,34 @@ tr_setup: */ return; } - pos = 0; - pc = usbd_xfer_get_frame(xfer, 0); - - while (1) { + for (nframes = 0; nframes < 16 && + !IFQ_DRV_IS_EMPTY(&ifp->if_snd); nframes++) { IFQ_DRV_DEQUEUE(&ifp->if_snd, m); - - if (m == NULL) { - if (pos > 0) - break; /* send out data */ - return; - } - if (m->m_pkthdr.len > MCLBYTES) { - m->m_pkthdr.len = MCLBYTES; - } + if (m == NULL) + break; + usbd_xfer_set_frame_offset(xfer, nframes * MCLBYTES, + nframes); + pos = 0; + pc = usbd_xfer_get_frame(xfer, nframes); if (AXE_IS_178_FAMILY(sc)) { - hdr.len = htole16(m->m_pkthdr.len); hdr.ilen = ~hdr.len; - usbd_copy_in(pc, pos, &hdr, sizeof(hdr)); - pos += sizeof(hdr); - - /* - * NOTE: Some drivers force a short packet - * by appending a dummy header with zero - * length at then end of the USB transfer. - * This driver uses the - * USB_FORCE_SHORT_XFER flag instead. - */ + usbd_m_copy_in(pc, pos, m, 0, m->m_pkthdr.len); + pos += m->m_pkthdr.len; + if ((pos % 512) == 0) { + hdr.len = 0; + hdr.ilen = 0xffff; + usbd_copy_in(pc, pos, &hdr, + sizeof(hdr)); + pos += sizeof(hdr); + } + } else { + usbd_m_copy_in(pc, pos, m, 0, m->m_pkthdr.len); + pos += m->m_pkthdr.len; } - usbd_m_copy_in(pc, pos, m, 0, m->m_pkthdr.len); - pos += m->m_pkthdr.len; /* * XXX @@ -1010,22 +1005,16 @@ tr_setup: m_freem(m); - if (AXE_IS_178_FAMILY(sc)) { - if (pos > (AXE_BULK_BUF_SIZE - MCLBYTES - sizeof(hdr))) { - /* send out frame(s) */ - break; - } - } else { - /* send out frame */ - break; - } + /* Set frame length. */ + usbd_xfer_set_frame_len(xfer, nframes, pos); + } + if (nframes != 0) { + usbd_xfer_set_frames(xfer, nframes); + usbd_transfer_submit(xfer); + ifp->if_drv_flags |= IFF_DRV_OACTIVE; } - - usbd_xfer_set_frame_len(xfer, 0, pos); - usbd_transfer_submit(xfer); - ifp->if_drv_flags |= IFF_DRV_OACTIVE; return; - + /* NOTREACHED */ default: /* Error */ DPRINTFN(11, "transfer error, %s\n", usbd_errstr(error)); |
