diff options
| author | Jakub Kicinski <kuba@kernel.org> | 2022-03-15 09:00:09 +0300 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2022-03-16 22:56:45 +0300 |
| commit | 706217c1ceb516c96283a1557a31fe003d0c8052 (patch) | |
| tree | 765804a5cfb6868ff577cd56e44b1a6c823f3d72 /net/core/devlink.c | |
| parent | 49e83bbe8cc32e197fccf4f617b3fa2fedc27a23 (diff) | |
| download | linux-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.c | 47 |
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, |