[U-Boot] [PATCH v2 0/4] NC-SI PHY Support
Cédric Le Goater
clg at kaod.org
Tue Jun 18 08:35:23 UTC 2019
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
>
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