diff options
Diffstat (limited to 'usbredirhost/usbredirhost.c')
| -rw-r--r-- | usbredirhost/usbredirhost.c | 18 |
1 files changed, 16 insertions, 2 deletions
diff --git a/usbredirhost/usbredirhost.c b/usbredirhost/usbredirhost.c index 8330df5..76554e3 100644 --- a/usbredirhost/usbredirhost.c +++ b/usbredirhost/usbredirhost.c @@ -83,6 +83,7 @@ struct usbredirhost_ep { uint8_t type; uint8_t interval; uint8_t interface; + uint8_t warn_on_drop; uint8_t iso_started; uint8_t iso_pkts_per_transfer; uint8_t iso_transfer_count; @@ -403,6 +404,7 @@ static void usbredirhost_parse_interface(struct usbredirhost *host, int i) intf_desc->endpoint[j].bInterval; host->endpoint[EP2I(ep_address)].interface = intf_desc->bInterfaceNumber; + host->endpoint[EP2I(ep_address)].warn_on_drop = 1; } } @@ -1098,11 +1100,23 @@ static void usbredirhost_iso_packet_complete( .status = status, .length = len }; - DEBUG("iso-out ep %02X status %d len %d", ep, status, len); - usbredirparser_send_iso_packet(host->parser, transfer->id, + /* USB-2 is max 8000 packets / sec, if we've queued up more + then 0.1 sec, assume our connection is not keeping up and + start dropping packets. */ + if (usbredirparser_has_data_to_write(host->parser) < 800) { + DEBUG("iso-out ep %02X status %d len %d", ep, status, len); + usbredirparser_send_iso_packet(host->parser, transfer->id, &iso_packet, libusb_get_iso_packet_buffer(libusb_transfer, i), len); + } else { + if (host->endpoint[EP2I(ep)].warn_on_drop) { + WARNING("iso stream on endpoint %02X, connection too slow, dropping packets", ep); + host->endpoint[EP2I(ep)].warn_on_drop = 0; + } + DEBUG("iso-out ep %02X dropping packet status %d len %d", + ep, status, len); + } transfer->id++; } else { DEBUG("iso-in complete ep %02X pkt %d len %d id %d", |