Revert "devlink: implement shared buffer support"

This reverts commit b56700bf.

include/linux/devlink.h

@@ -33,26 +33,6 @@ enum devlink_command {
 	DEVLINK_CMD_PORT_SPLIT,
 	DEVLINK_CMD_PORT_UNSPLIT,
 
-	DEVLINK_CMD_SB_GET,		/* can dump */
-	DEVLINK_CMD_SB_SET,
-	DEVLINK_CMD_SB_NEW,
-	DEVLINK_CMD_SB_DEL,
-
-	DEVLINK_CMD_SB_POOL_GET,	/* can dump */
-	DEVLINK_CMD_SB_POOL_SET,
-	DEVLINK_CMD_SB_POOL_NEW,
-	DEVLINK_CMD_SB_POOL_DEL,
-
-	DEVLINK_CMD_SB_PORT_POOL_GET,	/* can dump */
-	DEVLINK_CMD_SB_PORT_POOL_SET,
-	DEVLINK_CMD_SB_PORT_POOL_NEW,
-	DEVLINK_CMD_SB_PORT_POOL_DEL,
-
-	DEVLINK_CMD_SB_TC_POOL_BIND_GET,	/* can dump */
-	DEVLINK_CMD_SB_TC_POOL_BIND_SET,
-	DEVLINK_CMD_SB_TC_POOL_BIND_NEW,
-	DEVLINK_CMD_SB_TC_POOL_BIND_DEL,
-
 	/* add new commands above here */
 
 	__DEVLINK_CMD_MAX,
@@ -66,31 +46,6 @@ enum devlink_port_type {
 	DEVLINK_PORT_TYPE_IB,
 };
 
-enum devlink_sb_pool_type {
-	DEVLINK_SB_POOL_TYPE_INGRESS,
-	DEVLINK_SB_POOL_TYPE_EGRESS,
-};
-
-/* static threshold - limiting the maximum number of bytes.
- * dynamic threshold - limiting the maximum number of bytes
- *   based on the currently available free space in the shared buffer pool.
- *   In this mode, the maximum quota is calculated based
- *   on the following formula:
- *     max_quota = alpha / (1 + alpha) * Free_Buffer
- *   While Free_Buffer is the amount of none-occupied buffer associated to
- *   the relevant pool.
- *   The value range which can be passed is 0-20 and serves
- *   for computation of alpha by following formula:
- *     alpha = 2 ^ (passed_value - 10)
- */
-
-enum devlink_sb_threshold_type {
-	DEVLINK_SB_THRESHOLD_TYPE_STATIC,
-	DEVLINK_SB_THRESHOLD_TYPE_DYNAMIC,
-};
-
-#define DEVLINK_SB_THRESHOLD_TO_ALPHA_MAX 20
-
 enum devlink_attr {
 	/* don't change the order or add anything between, this is ABI! */
 	DEVLINK_ATTR_UNSPEC,
@@ -107,18 +62,6 @@ enum devlink_attr {
 	DEVLINK_ATTR_PORT_IBDEV_NAME,		/* string */
 	DEVLINK_ATTR_PORT_SPLIT_COUNT,		/* u32 */
 	DEVLINK_ATTR_PORT_SPLIT_GROUP,		/* u32 */
-	DEVLINK_ATTR_SB_INDEX,			/* u32 */
-	DEVLINK_ATTR_SB_SIZE,			/* u32 */
-	DEVLINK_ATTR_SB_INGRESS_POOL_COUNT,	/* u16 */
-	DEVLINK_ATTR_SB_EGRESS_POOL_COUNT,	/* u16 */
-	DEVLINK_ATTR_SB_INGRESS_TC_COUNT,	/* u16 */
-	DEVLINK_ATTR_SB_EGRESS_TC_COUNT,	/* u16 */
-	DEVLINK_ATTR_SB_POOL_INDEX,		/* u16 */
-	DEVLINK_ATTR_SB_POOL_TYPE,		/* u8 */
-	DEVLINK_ATTR_SB_POOL_SIZE,		/* u32 */
-	DEVLINK_ATTR_SB_POOL_THRESHOLD_TYPE,	/* u8 */
-	DEVLINK_ATTR_SB_THRESHOLD,		/* u32 */
-	DEVLINK_ATTR_SB_TC_INDEX,		/* u16 */
 
 	/* add new attributes above here, update the policy in devlink.c */