diff options
| author | Khang Nguyen <khangng@os.amperecomputing.com> | 2024-11-05 14:19:15 +0700 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2024-11-09 09:04:54 -0800 |
| commit | 580db513b4a9d52f306580015a1872eea0a0894e (patch) | |
| tree | 2d3f737e30bc78418500e95da8bba0ca7204b780 /drivers/net/mctp/mctp-i3c.c | |
| parent | 4861333b42178fa3d8fd1bb4e2cfb2fedc968dba (diff) | |
net: mctp: Expose transport binding identifier via IFLA attribute
MCTP control protocol implementations are transport binding dependent.
Endpoint discovery is mandatory based on transport binding.
Message timing requirements are specified in each respective transport
binding specification.
However, we currently have no means to get this information from MCTP
links.
Add a IFLA_MCTP_PHYS_BINDING netlink link attribute, which represents
the transport type using the DMTF DSP0239-defined type numbers, returned
as part of RTM_GETLINK data.
We get an IFLA_MCTP_PHYS_BINDING attribute for each MCTP link, for
example:
- 0x00 (unspec) for loopback interface;
- 0x01 (SMBus/I2C) for mctpi2c%d interfaces; and
- 0x05 (serial) for mctpserial%d interfaces.
Signed-off-by: Khang Nguyen <khangng@os.amperecomputing.com>
Reviewed-by: Matt Johnston <matt@codeconstruct.com.au>
Link: https://patch.msgid.link/20241105071915.821871-1-khangng@os.amperecomputing.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'drivers/net/mctp/mctp-i3c.c')
| -rw-r--r-- | drivers/net/mctp/mctp-i3c.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/net/mctp/mctp-i3c.c b/drivers/net/mctp/mctp-i3c.c index 1bc87a062686..9adad59b8676 100644 --- a/drivers/net/mctp/mctp-i3c.c +++ b/drivers/net/mctp/mctp-i3c.c @@ -607,7 +607,7 @@ __must_hold(&busdevs_lock) goto err_free_uninit; } - rc = mctp_register_netdev(ndev, NULL); + rc = mctp_register_netdev(ndev, NULL, MCTP_PHYS_BINDING_I3C); if (rc < 0) { dev_warn(&ndev->dev, "netdev register failed: %d\n", rc); goto err_free_netdev; |