From: Mohammad Heib <[email protected]>
Add a new device generic parameter to controls the maximum
number of MAC filters allowed per VF.
For example, to limit a VF to 3 MAC addresses:
$ devlink dev param set pci/0000:3b:00.0 name max_mac_per_vf \
value 3 \
cmode runtime
Signed-off-by: Mohammad Heib <[email protected]>
Reviewed-by: Simon Horman <[email protected]>
---
Documentation/networking/devlink/devlink-params.rst | 4 ++++
include/net/devlink.h | 4 ++++
net/devlink/param.c | 5 +++++
3 files changed, 13 insertions(+)
diff --git a/Documentation/networking/devlink/devlink-params.rst
b/Documentation/networking/devlink/devlink-params.rst
index 211b58177e12..74a35f3b7c9a 100644
--- a/Documentation/networking/devlink/devlink-params.rst
+++ b/Documentation/networking/devlink/devlink-params.rst
@@ -143,3 +143,7 @@ own name.
* - ``clock_id``
- u64
- Clock ID used by the device for registering DPLL devices and pins.
+ * - ``max_mac_per_vf``
+ - u32
+ - Controls the maximum number of MAC address filters that can be assigned
+ to a Virtual Function (VF).
diff --git a/include/net/devlink.h b/include/net/devlink.h
index b32c9ceeb81d..dde5dcbca625 100644
--- a/include/net/devlink.h
+++ b/include/net/devlink.h
@@ -530,6 +530,7 @@ enum devlink_param_generic_id {
DEVLINK_PARAM_GENERIC_ID_EVENT_EQ_SIZE,
DEVLINK_PARAM_GENERIC_ID_ENABLE_PHC,
DEVLINK_PARAM_GENERIC_ID_CLOCK_ID,
+ DEVLINK_PARAM_GENERIC_ID_MAX_MAC_PER_VF,
/* add new param generic ids above here*/
__DEVLINK_PARAM_GENERIC_ID_MAX,
@@ -594,6 +595,9 @@ enum devlink_param_generic_id {
#define DEVLINK_PARAM_GENERIC_CLOCK_ID_NAME "clock_id"
#define DEVLINK_PARAM_GENERIC_CLOCK_ID_TYPE DEVLINK_PARAM_TYPE_U64
+#define DEVLINK_PARAM_GENERIC_MAX_MAC_PER_VF_NAME "max_mac_per_vf"
+#define DEVLINK_PARAM_GENERIC_MAX_MAC_PER_VF_TYPE DEVLINK_PARAM_TYPE_U32
+
#define DEVLINK_PARAM_GENERIC(_id, _cmodes, _get, _set, _validate) \
{ \
.id = DEVLINK_PARAM_GENERIC_ID_##_id, \
diff --git a/net/devlink/param.c b/net/devlink/param.c
index 41dcc86cfd94..62fd789ae01c 100644
--- a/net/devlink/param.c
+++ b/net/devlink/param.c
@@ -102,6 +102,11 @@ static const struct devlink_param devlink_param_generic[]
= {
.name = DEVLINK_PARAM_GENERIC_CLOCK_ID_NAME,
.type = DEVLINK_PARAM_GENERIC_CLOCK_ID_TYPE,
},
+ {
+ .id = DEVLINK_PARAM_GENERIC_ID_MAX_MAC_PER_VF,
+ .name = DEVLINK_PARAM_GENERIC_MAX_MAC_PER_VF_NAME,
+ .type = DEVLINK_PARAM_GENERIC_MAX_MAC_PER_VF_TYPE,
+ },
};
static int devlink_param_generic_verify(const struct devlink_param *param)
--
2.50.1
