On 4/13/22 10:34, Veerasenareddy Burru wrote: > @@ -0,0 +1,35 @@ > +.. SPDX-License-Identifier: GPL-2.0+ > + > +==================================================================== > +Linux kernel networking driver for Marvell's Octeon PCI Endpoint NIC > +==================================================================== > + > +Network driver for Marvell's Octeon PCI EndPoint NIC. > +Copyright (c) 2020 Marvell International Ltd. > + > +Contents > +======== > + > +- `Overview`_ > +- `Supported Devices`_ > +- `Interface Control`_ > + Why did you manually add table of contents? > +Interface Control > +================= > +Network Interface control like changing mtu, link speed, link down/up are > +done by writing command to mailbox command queue, a mailbox interface > +implemented through a reserved region in BAR4. > +This driver writes the commands into the mailbox and the firmware on the > +Octeon device processes them. The firmware also sends unsolicited notifications > +to driver for events suchs as link change, through notification queue > +implemented as part of mailbox interface. How does one write to mailbox command queue? -- An old man doll... just what I always wanted! - Clara
