Updateed NCM configfs parameters by adding max_segment_size property and describing its effect on MTU configuration of NCM interface. Signed-off-by: Krishna Kurapati <quic_kriskura@xxxxxxxxxxx> --- Documentation/usb/gadget-testing.rst | 20 +++++++++++--------- 1 file changed, 11 insertions(+), 9 deletions(-) diff --git a/Documentation/usb/gadget-testing.rst b/Documentation/usb/gadget-testing.rst index 29072c166d23..6e5d96668e8e 100644 --- a/Documentation/usb/gadget-testing.rst +++ b/Documentation/usb/gadget-testing.rst @@ -448,15 +448,17 @@ Function-specific configfs interface The function name to use when creating the function directory is "ncm". The NCM function provides these attributes in its function directory: - =============== ================================================== - ifname network device interface name associated with this - function instance - qmult queue length multiplier for high and super speed - host_addr MAC address of host's end of this - Ethernet over USB link - dev_addr MAC address of device's end of this - Ethernet over USB link - =============== ================================================== + ================= ==================================================== + ifname network device interface name associated with this + function instance + qmult queue length multiplier for high and super speed + host_addr MAC address of host's end of this + Ethernet over USB link + dev_addr MAC address of device's end of this + Ethernet over USB link + max_segment_size Segment size required for P2P connections. This + will inturn set MTU to (max_segment_size - 14 bytes) + ================= ==================================================== and after creating the functions/ncm.<instance name> they contain default values: qmult is 5, dev_addr and host_addr are randomly selected. -- 2.42.0
