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author | Andrzej Pietrasiewicz <andrzej.p@samsung.com> | 2014-12-16 14:56:37 +0100 |
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committer | Felipe Balbi <balbi@ti.com> | 2015-01-12 12:13:25 -0600 |
commit | ddb722449cfcfe30d3c3ed2cd404551e1c3c3670 (patch) | |
tree | d366f090ca562cceb788ee7c0a1e3e822f92e6d4 /Documentation/usb | |
parent | da2907d2b08c2495c2e39f799b9ccbf76fd1aa58 (diff) |
Documentation: usb: RNDIS function testing
Summary of how to test RNDIS function of USB gadget.
Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Diffstat (limited to 'Documentation/usb')
-rw-r--r-- | Documentation/usb/gadget-testing.txt | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/Documentation/usb/gadget-testing.txt b/Documentation/usb/gadget-testing.txt index 02d4366a847d..61bc5f5934e1 100644 --- a/Documentation/usb/gadget-testing.txt +++ b/Documentation/usb/gadget-testing.txt @@ -13,6 +13,7 @@ provided by gadgets. 10. NCM function 11. OBEX function 12. PHONET function +13. RNDIS function 1. ACM function @@ -493,3 +494,38 @@ $ ./pnxmit -a 0x10 -r On the device: $ ./pnxmit -a 0x6c -s 0x10 + +13. RNDIS function +================== + +The function is provided by usb_f_rndis.ko module. + +Function-specific configfs interface +------------------------------------ + +The function name to use when creating the function directory is "rndis". +The RNDIS 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 + +and after creating the functions/rndis.<instance name> they contain default +values: qmult is 5, dev_addr and host_addr are randomly selected. +Except for ifname they can be written to until the function is linked to a +configuration. The ifname is read-only and contains the name of the interface +which was assigned by the net core, e. g. usb0. + +By default there can be only 1 RNDIS interface in the system. + +Testing the RNDIS function +-------------------------- + +Configure IP addresses of the device and the host. Then: + +On the device: ping <host's IP> +On the host: ping <device's IP> |