On Mon, Oct 30, 2017 at 1:20 PM, Jiri Pirko <[email protected]> wrote:
> Mon, Oct 30, 2017 at 03:46:08PM CET, [email protected] wrote:
>>Adding DEVLINK_PERM_CONFIG_SRIOV_ENABLED permanent config
>>parameter; this parameter controls whether the device
>>advertises the SR-IOV PCI capability. Value is permanent, so
>>becomes the new default value for this device.
>>
>> DEVLINK_PERM_CONFIG_DISABLE = Disable SR-IOV
>> DEVLINK_PERM_CONFIG_ENABLE = Enable SR-IOV
>>
>>Signed-off-by: Steve Lin <[email protected]>
>>Acked-by: Andy Gospodarek <[email protected]>
>>---
>> include/uapi/linux/devlink.h | 18 +++++++++++++++++-
>> net/core/devlink.c | 1 +
>> 2 files changed, 18 insertions(+), 1 deletion(-)
>>
>>diff --git a/include/uapi/linux/devlink.h b/include/uapi/linux/devlink.h
>>index 55e35f2..1c5d4ae 100644
>>--- a/include/uapi/linux/devlink.h
>>+++ b/include/uapi/linux/devlink.h
>>@@ -256,8 +256,24 @@ enum devlink_dpipe_header_id {
>> DEVLINK_DPIPE_HEADER_IPV6,
>> };
>>
>>-/* Permanent config parameters */
>>+/* Permanent config parameter enable/disable
>>+ * DEVLINK_PERM_CONFIG_DISABLE = disable a permanent config parameter
>>+ * DEVLINK_PERM_CONFIG_ENBALE = enable a permanent config parameter
>>+ */
>>+enum devlink_perm_config_enabled {
>>+ DEVLINK_PERM_CONFIG_DISABLE,
>>+ DEVLINK_PERM_CONFIG_ENABLE,
>>+};
>
>
> Basically, this is "bool"
>
> Why don't you use some own enum instead of NLA_U*. Like team does for
> example:
>
> enum team_option_type {
> TEAM_OPTION_TYPE_U32,
> TEAM_OPTION_TYPE_STRING,
> TEAM_OPTION_TYPE_BINARY,
> TEAM_OPTION_TYPE_BOOL,
> TEAM_OPTION_TYPE_S32,
> };
>
>
I had added enum devlink_perm_config_type in v5 based on your comments
in v4 - I will add BOOL if it helps clarity.
>
>>+
>>+/* Permanent config parameters:
>>+ * DEVLINK_PERM_CONFIG_SRIOV_ENABLED: Configures whether SR-IOV PCI
>>capability
>>+ * is advertised by the device.
>>+ * DEVLINK_PERM_CONFIG_DISABLE = disable SR-IOV
>>+ * DEVLINK_PERM_CONFIG_ENABLE = enable SR-IOV
>>+ */
>> enum devlink_perm_config_param {
>>+ DEVLINK_PERM_CONFIG_SRIOV_ENABLED,
>
>
> Please align "ENABLED" vs "ENABLE".
> The rest of devlink code uses "ENABLED"
>
Ok.
>
>>+
>> __DEVLINK_PERM_CONFIG_MAX,
>> DEVLINK_PERM_CONFIG_MAX = __DEVLINK_PERM_CONFIG_MAX - 1
>> };
>>diff --git a/net/core/devlink.c b/net/core/devlink.c
>>index 5e77408..b4d43c29 100644
>>--- a/net/core/devlink.c
>>+++ b/net/core/devlink.c
>>@@ -1569,6 +1569,7 @@ static int devlink_nl_cmd_eswitch_set_doit(struct
>>sk_buff *skb,
>> static const struct nla_policy devlink_nl_policy[DEVLINK_ATTR_MAX + 1];
>>
>> static const u8 devlink_perm_cfg_param_types[DEVLINK_PERM_CONFIG_MAX + 1] = {
>>+ [DEVLINK_PERM_CONFIG_SRIOV_ENABLED] = NLA_U8,
>> };
>>
>> static int devlink_nl_single_param_get(struct sk_buff *msg,
>>--
>>2.7.4
>>
