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| author | Jiri Pirko <jiri@nvidia.com> | 2022-11-02 17:02:11 +0100 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2022-11-03 20:48:37 -0700 |
| commit | dca56c3038c34a3e5acfe0aadb1f2bc9d724ae79 (patch) | |
| tree | 60c421dedd3719ff429d2eb16198db38babb96e1 /net/core/devlink.c | |
| parent | 77df1db80da384c565106321f5934967690da7dd (diff) | |
| download | linux-dca56c3038c34a3e5acfe0aadb1f2bc9d724ae79.tar.gz linux-dca56c3038c34a3e5acfe0aadb1f2bc9d724ae79.tar.bz2 linux-dca56c3038c34a3e5acfe0aadb1f2bc9d724ae79.zip | |
net: expose devlink port over rtnetlink
Expose devlink port handle related to netdev over rtnetlink. Introduce a
new nested IFLA attribute to carry the info. Call into devlink code to
fill-up the nest with existing devlink attributes that are used over
devlink netlink.
Signed-off-by: Jiri Pirko <jiri@nvidia.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'net/core/devlink.c')
| -rw-r--r-- | net/core/devlink.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/net/core/devlink.c b/net/core/devlink.c index 3a454d0045e5..2dcf2bcc3527 100644 --- a/net/core/devlink.c +++ b/net/core/devlink.c @@ -880,6 +880,24 @@ nla_put_failure: return -EMSGSIZE; } +int devlink_nl_port_handle_fill(struct sk_buff *msg, struct devlink_port *devlink_port) +{ + if (devlink_nl_put_handle(msg, devlink_port->devlink)) + return -EMSGSIZE; + if (nla_put_u32(msg, DEVLINK_ATTR_PORT_INDEX, devlink_port->index)) + return -EMSGSIZE; + return 0; +} + +size_t devlink_nl_port_handle_size(struct devlink_port *devlink_port) +{ + struct devlink *devlink = devlink_port->devlink; + + return nla_total_size(strlen(devlink->dev->bus->name) + 1) /* DEVLINK_ATTR_BUS_NAME */ + + nla_total_size(strlen(dev_name(devlink->dev)) + 1) /* DEVLINK_ATTR_DEV_NAME */ + + nla_total_size(4); /* DEVLINK_ATTR_PORT_INDEX */ +} + struct devlink_reload_combination { enum devlink_reload_action action; enum devlink_reload_limit limit; |