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authorJakub Kicinski <kuba@kernel.org>2022-03-15 09:00:09 +0300
committerJakub Kicinski <kuba@kernel.org>2022-03-16 22:56:45 +0300
commit706217c1ceb516c96283a1557a31fe003d0c8052 (patch)
tree765804a5cfb6868ff577cd56e44b1a6c823f3d72 /net/core/devlink.c
parent49e83bbe8cc32e197fccf4f617b3fa2fedc27a23 (diff)
downloadlinux-706217c1ceb516c96283a1557a31fe003d0c8052.tar.xz
devlink: pass devlink_port to port_split / port_unsplit callbacks
Now that devlink ports are protected by the instance lock it seems natural to pass devlink_port as an argument to the port_split / port_unsplit callbacks. This should save the drivers from doing a lookup. In theory drivers may have supported unsplitting ports which were not registered prior to this change. Reviewed-by: Ido Schimmel <idosch@nvidia.com> Tested-by: Ido Schimmel <idosch@nvidia.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'net/core/devlink.c')
-rw-r--r--net/core/devlink.c47
1 files changed, 12 insertions, 35 deletions
diff --git a/net/core/devlink.c b/net/core/devlink.c
index 545ae784e9d2..f2a277053ec6 100644
--- a/net/core/devlink.c
+++ b/net/core/devlink.c
@@ -1568,35 +1568,20 @@ static int devlink_nl_cmd_port_set_doit(struct sk_buff *skb,
return 0;
}
-static int devlink_port_split(struct devlink *devlink, u32 port_index,
- u32 count, struct netlink_ext_ack *extack)
-
-{
- if (devlink->ops->port_split)
- return devlink->ops->port_split(devlink, port_index, count,
- extack);
- return -EOPNOTSUPP;
-}
-
static int devlink_nl_cmd_port_split_doit(struct sk_buff *skb,
struct genl_info *info)
{
+ struct devlink_port *devlink_port = info->user_ptr[1];
struct devlink *devlink = info->user_ptr[0];
- struct devlink_port *devlink_port;
- u32 port_index;
u32 count;
- if (!info->attrs[DEVLINK_ATTR_PORT_INDEX] ||
- !info->attrs[DEVLINK_ATTR_PORT_SPLIT_COUNT])
+ if (!info->attrs[DEVLINK_ATTR_PORT_SPLIT_COUNT])
return -EINVAL;
+ if (!devlink->ops->port_split)
+ return -EOPNOTSUPP;
- devlink_port = devlink_port_get_from_info(devlink, info);
- port_index = nla_get_u32(info->attrs[DEVLINK_ATTR_PORT_INDEX]);
count = nla_get_u32(info->attrs[DEVLINK_ATTR_PORT_SPLIT_COUNT]);
- if (IS_ERR(devlink_port))
- return -EINVAL;
-
if (!devlink_port->attrs.splittable) {
/* Split ports cannot be split. */
if (devlink_port->attrs.split)
@@ -1611,29 +1596,19 @@ static int devlink_nl_cmd_port_split_doit(struct sk_buff *skb,
return -EINVAL;
}
- return devlink_port_split(devlink, port_index, count, info->extack);
-}
-
-static int devlink_port_unsplit(struct devlink *devlink, u32 port_index,
- struct netlink_ext_ack *extack)
-
-{
- if (devlink->ops->port_unsplit)
- return devlink->ops->port_unsplit(devlink, port_index, extack);
- return -EOPNOTSUPP;
+ return devlink->ops->port_split(devlink, devlink_port, count,
+ info->extack);
}
static int devlink_nl_cmd_port_unsplit_doit(struct sk_buff *skb,
struct genl_info *info)
{
+ struct devlink_port *devlink_port = info->user_ptr[1];
struct devlink *devlink = info->user_ptr[0];
- u32 port_index;
- if (!info->attrs[DEVLINK_ATTR_PORT_INDEX])
- return -EINVAL;
-
- port_index = nla_get_u32(info->attrs[DEVLINK_ATTR_PORT_INDEX]);
- return devlink_port_unsplit(devlink, port_index, info->extack);
+ if (!devlink->ops->port_unsplit)
+ return -EOPNOTSUPP;
+ return devlink->ops->port_unsplit(devlink, devlink_port, info->extack);
}
static int devlink_port_new_notifiy(struct devlink *devlink,
@@ -8672,12 +8647,14 @@ static const struct genl_small_ops devlink_nl_ops[] = {
.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
.doit = devlink_nl_cmd_port_split_doit,
.flags = GENL_ADMIN_PERM,
+ .internal_flags = DEVLINK_NL_FLAG_NEED_PORT,
},
{
.cmd = DEVLINK_CMD_PORT_UNSPLIT,
.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
.doit = devlink_nl_cmd_port_unsplit_doit,
.flags = GENL_ADMIN_PERM,
+ .internal_flags = DEVLINK_NL_FLAG_NEED_PORT,
},
{
.cmd = DEVLINK_CMD_PORT_NEW,