hololink::emulation::send_coe_packet

int16_t hololink::emulation::send_coe_packet(
    COECtxt *coe_ctxt,
    ETH_BufferTypeDef *tx_buffers
)

Wire-emit hook for COE packets, called by common/coe_transmitter.cpp’s send_packet after it has built the scatter/gather list.

Return bytes sent or < 0 on failure.