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This introduces support for the NC-SI protocol, modelled as a phy driver for other ethernet drivers to consume. NC-SI (Network Controller Sideband Interface) is a protocol to manage a sideband connection to a proper network interface, for example a BMC (Baseboard Management Controller) sharing the NIC of the host system. Probing and configuration occurs by communicating with the "remote" NIC via NC-SI control frames (Ethernet header 0x88f8). This implementation is roughly based on the upstream Linux implementation[0], with a reduced feature set and an emphasis on getting a link up as fast as possible rather than probing the full possible topology of the bus. The current phy model relies on the network being "up", sending NC-SI command frames via net_send_packet() and receiving them from the net_loop() loop (added in a following patch). The ncsi-pkt.h header[1] is copied from the Linux kernel for consistent field definitions. [0]: https://github.com/torvalds/linux/tree/master/net/ncsi [1]: https://github.com/torvalds/linux/blob/master/net/ncsi/ncsi-pkt.h Signed-off-by: Samuel Mendoza-Jonas <sam@mendozajonas.com> Reviewed-by: Joel Stanley <joel@jms.id.au> Acked-by: Joe Hershberger <joe.hershberger@ni.com> |
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| .. | ||
| pfe_eth | ||
| fastboot.h | ||
| ncsi-pkt.h | ||
| ncsi.h | ||
| pcap.h | ||
| tftp.h | ||