[PATCH v2 0/4] NC-SI PHY Support

[Cédric Le Goater]

On 18/06/2019 03:37, Samuel Mendoza-Jonas wrote:
> This series introduces support for the NC-SI protocol to u-boot,
> functionality which so far has only been available in vendor trees.

Would it be complex to add a romulus DT and config file ? 

Thanks,

C. 

> 
> 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).
> 
> Since the RFC[0] the changes have been split out into a few different
> patches to make the overall changes more obvious. Additionally a few
> small improvements have been added including adding a check to see if
> NC-SI is already configured, and marking the PHY bus "reset" as invalid
> since it does not define a bus.
> 
> An example of NC-SI setup before a normal network command:
> 
> => dhcp
> net_loop: configuring NCSI first
> ethernet at 1e660000: link up, 100 Mbps full-duplex mac:0c:c4:7a:d5:48:43
> NCSI: probing channels
> NCSI: configuring channel 0
> NCSI: configuration done!
> BOOTP broadcast 1
> BOOTP broadcast 2
> DHCP client bound to address 10.61.161.188 (255 ms)
> 
> [0]: https://patchwork.ozlabs.org/patch/1107087/
> 
> Changes in v2:
> - Fix endianess issue when setting MAC address
> - Make checksum offsets easier to read
> - Instantiate per-phy ncsi_priv structures
> - Update ncsi command help text
> - Used update ncsi-pkt.h version to include SPDX header
> 
> 
> Samuel Mendoza-Jonas (4):
>   phy: Add support for the NC-SI protocol
>   phy: Include NC-SI in phy setup
>   net/ftgmac100: Add NC-SI mode support
>   net: NC-SI setup and handling
> 
>  cmd/Kconfig              |   8 +
>  cmd/net.c                |  18 +
>  drivers/net/ftgmac100.c  |  39 +-
>  drivers/net/phy/Kconfig  |   4 +
>  drivers/net/phy/Makefile |   1 +
>  drivers/net/phy/ncsi.c   | 896 +++++++++++++++++++++++++++++++++++++++
>  drivers/net/phy/phy.c    |   7 +
>  include/net.h            |   3 +-
>  include/net/ncsi-pkt.h   | 442 +++++++++++++++++++
>  include/net/ncsi.h       |  14 +
>  include/phy.h            |  12 +
>  include/phy_interface.h  |   2 +
>  net/net.c                |  27 +-
>  13 files changed, 1461 insertions(+), 12 deletions(-)
>  create mode 100644 drivers/net/phy/ncsi.c
>  create mode 100644 include/net/ncsi-pkt.h
>  create mode 100644 include/net/ncsi.h
>