diff options
| author | Jiri Pirko <jiri@nvidia.com> | 2023-09-13 09:12:36 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2023-09-17 14:01:46 +0100 |
| commit | af1f1400af02e5a069d86ae7001b563c99395ea2 (patch) | |
| tree | 67a2ce36ffd2171608fe86e81b00b2df131ebc2a /net/devlink/netlink.c | |
| parent | ad99637ac92dc18b979e6fa26eb440f38c0c6b55 (diff) | |
devlink: move devlink_nl_put_nested_handle() into netlink.c
As the next patch is going to call this helper out of the linecard.c,
move to netlink.c.
Signed-off-by: Jiri Pirko <jiri@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/devlink/netlink.c')
| -rw-r--r-- | net/devlink/netlink.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/net/devlink/netlink.c b/net/devlink/netlink.c index fc3e7c029a3b..48b5cfc2842f 100644 --- a/net/devlink/netlink.c +++ b/net/devlink/netlink.c @@ -82,6 +82,32 @@ static const struct nla_policy devlink_nl_policy[DEVLINK_ATTR_MAX + 1] = { [DEVLINK_ATTR_REGION_DIRECT] = { .type = NLA_FLAG }, }; +int devlink_nl_put_nested_handle(struct sk_buff *msg, struct net *net, + struct devlink *devlink) +{ + struct nlattr *nested_attr; + + nested_attr = nla_nest_start(msg, DEVLINK_ATTR_NESTED_DEVLINK); + if (!nested_attr) + return -EMSGSIZE; + if (devlink_nl_put_handle(msg, devlink)) + goto nla_put_failure; + if (!net_eq(net, devlink_net(devlink))) { + int id = peernet2id_alloc(net, devlink_net(devlink), + GFP_KERNEL); + + if (nla_put_s32(msg, DEVLINK_ATTR_NETNS_ID, id)) + return -EMSGSIZE; + } + + nla_nest_end(msg, nested_attr); + return 0; + +nla_put_failure: + nla_nest_cancel(msg, nested_attr); + return -EMSGSIZE; +} + int devlink_nl_msg_reply_and_new(struct sk_buff **msg, struct genl_info *info) { int err; |