diff options
Diffstat (limited to 'src/class/net/ecm_rndis_device.c')
| -rw-r--r-- | src/class/net/ecm_rndis_device.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/src/class/net/ecm_rndis_device.c b/src/class/net/ecm_rndis_device.c index 9282e0605..b27cac3ea 100644 --- a/src/class/net/ecm_rndis_device.c +++ b/src/class/net/ecm_rndis_device.c @@ -48,9 +48,10 @@ typedef struct { uint8_t itf_num; // Index number of Management Interface, +1 for Data Interface uint8_t itf_data_alt; // Alternate setting of Data Interface. 0 : inactive, 1 : active - uint8_t ep_notif; uint8_t ep_in; uint8_t ep_out; + uint16_t ep_size; // bulk endpoint max packet size (IN and OUT assumed equal) + uint8_t ep_notif; bool ecm_mode; @@ -176,6 +177,9 @@ uint16_t netd_open(uint8_t rhport, tusb_desc_interface_t const * itf_desc, uint1 // Pair of endpoints TU_ASSERT(TUSB_DESC_ENDPOINT == tu_desc_type(p_desc), 0); + // Save the actual bulk endpoint size (IN and OUT assumed equal) + _netd_itf.ep_size = tu_edpt_packet_size((tusb_desc_endpoint_t const *) p_desc); + if (_netd_itf.ecm_mode) { // ECM by default is in-active, save the endpoint attribute // to open later when received setInterface @@ -357,8 +361,7 @@ bool netd_xfer_cb(uint8_t rhport, uint8_t ep_addr, xfer_result_t result, uint32_ /* data transmission finished */ if (ep_addr == _netd_itf.ep_in) { /* TinyUSB requires the class driver to implement ZLP (since ZLP usage is class-specific) */ - - if (xferred_bytes && (0 == (xferred_bytes % CFG_TUD_NET_ENDPOINT_SIZE))) { + if (xferred_bytes > 0 && 0 == (xferred_bytes & (_netd_itf.ep_size-1))) { do_in_xfer(NULL, 0); /* a ZLP is needed */ } else { /* we're finally finished */ |