diff options
| author | Jiri Pirko <jiri@nvidia.com> | 2023-08-11 18:57:03 +0300 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2023-08-14 21:47:24 +0300 |
| commit | 41a1d4d1399af0f4ba9754086b23f7b9576eb25f (patch) | |
| tree | 7e9964de5075acff46d9f75fcba216664880b03c /net/devlink/leftover.c | |
| parent | 63618463cb94bda3ee68dc2ada998c0ef3c00e67 (diff) | |
| download | linux-41a1d4d1399af0f4ba9754086b23f7b9576eb25f.tar.xz | |
devlink: parse rate attrs in doit() callbacks
No need to give the rate any special treatment in netlink attributes
parsing, as unlike for ports, there is only a couple of commands
benefiting from that.
Remove DEVLINK_NL_FLAG_NEED_RATE*, make pre_doit() callback simpler
by moving the rate attributes parsing to rate_*_doit() ops.
Signed-off-by: Jiri Pirko <jiri@nvidia.com>
Acked-by: Jakub Kicinski <kuba@kernel.org>
Link: https://lore.kernel.org/r/20230811155714.1736405-3-jiri@resnulli.us
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'net/devlink/leftover.c')
| -rw-r--r-- | net/devlink/leftover.c | 37 |
1 files changed, 24 insertions, 13 deletions
diff --git a/net/devlink/leftover.c b/net/devlink/leftover.c index 46cdd5d88583..b7b6850e26d8 100644 --- a/net/devlink/leftover.c +++ b/net/devlink/leftover.c @@ -232,13 +232,13 @@ devlink_rate_node_get_from_attrs(struct devlink *devlink, struct nlattr **attrs) return devlink_rate_node_get_by_name(devlink, rate_node_name); } -struct devlink_rate * +static struct devlink_rate * devlink_rate_node_get_from_info(struct devlink *devlink, struct genl_info *info) { return devlink_rate_node_get_from_attrs(devlink, info->attrs); } -struct devlink_rate * +static struct devlink_rate * devlink_rate_get_from_info(struct devlink *devlink, struct genl_info *info) { struct nlattr **attrs = info->attrs; @@ -1041,10 +1041,15 @@ const struct devlink_cmd devl_cmd_rate_get = { static int devlink_nl_cmd_rate_get_doit(struct sk_buff *skb, struct genl_info *info) { - struct devlink_rate *devlink_rate = info->user_ptr[1]; + struct devlink *devlink = info->user_ptr[0]; + struct devlink_rate *devlink_rate; struct sk_buff *msg; int err; + devlink_rate = devlink_rate_get_from_info(devlink, info); + if (IS_ERR(devlink_rate)) + return PTR_ERR(devlink_rate); + msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); if (!msg) return -ENOMEM; @@ -1629,11 +1634,16 @@ static bool devlink_rate_set_ops_supported(const struct devlink_ops *ops, static int devlink_nl_cmd_rate_set_doit(struct sk_buff *skb, struct genl_info *info) { - struct devlink_rate *devlink_rate = info->user_ptr[1]; - struct devlink *devlink = devlink_rate->devlink; - const struct devlink_ops *ops = devlink->ops; + struct devlink *devlink = info->user_ptr[0]; + struct devlink_rate *devlink_rate; + const struct devlink_ops *ops; int err; + devlink_rate = devlink_rate_get_from_info(devlink, info); + if (IS_ERR(devlink_rate)) + return PTR_ERR(devlink_rate); + + ops = devlink->ops; if (!ops || !devlink_rate_set_ops_supported(ops, info, devlink_rate->type)) return -EOPNOTSUPP; @@ -1704,18 +1714,22 @@ err_strdup: static int devlink_nl_cmd_rate_del_doit(struct sk_buff *skb, struct genl_info *info) { - struct devlink_rate *rate_node = info->user_ptr[1]; - struct devlink *devlink = rate_node->devlink; - const struct devlink_ops *ops = devlink->ops; + struct devlink *devlink = info->user_ptr[0]; + struct devlink_rate *rate_node; int err; + rate_node = devlink_rate_node_get_from_info(devlink, info); + if (IS_ERR(rate_node)) + return PTR_ERR(rate_node); + if (refcount_read(&rate_node->refcnt) > 1) { NL_SET_ERR_MSG(info->extack, "Node has children. Cannot delete node."); return -EBUSY; } devlink_rate_notify(rate_node, DEVLINK_CMD_RATE_DEL); - err = ops->rate_node_del(rate_node, rate_node->priv, info->extack); + err = devlink->ops->rate_node_del(rate_node, rate_node->priv, + info->extack); if (rate_node->parent) refcount_dec(&rate_node->parent->refcnt); list_del(&rate_node->list); @@ -6307,14 +6321,12 @@ const struct genl_small_ops devlink_nl_small_ops[54] = { .cmd = DEVLINK_CMD_RATE_GET, .doit = devlink_nl_cmd_rate_get_doit, .dumpit = devlink_nl_instance_iter_dumpit, - .internal_flags = DEVLINK_NL_FLAG_NEED_RATE, /* can be retrieved by unprivileged users */ }, { .cmd = DEVLINK_CMD_RATE_SET, .doit = devlink_nl_cmd_rate_set_doit, .flags = GENL_ADMIN_PERM, - .internal_flags = DEVLINK_NL_FLAG_NEED_RATE, }, { .cmd = DEVLINK_CMD_RATE_NEW, @@ -6325,7 +6337,6 @@ const struct genl_small_ops devlink_nl_small_ops[54] = { .cmd = DEVLINK_CMD_RATE_DEL, .doit = devlink_nl_cmd_rate_del_doit, .flags = GENL_ADMIN_PERM, - .internal_flags = DEVLINK_NL_FLAG_NEED_RATE_NODE, }, { .cmd = DEVLINK_CMD_PORT_SPLIT, |