1 /* 2 * include/uapi/linux/devlink.h - Network physical device Netlink interface 3 * Copyright (c) 2016 Mellanox Technologies. All rights reserved. 4 * Copyright (c) 2016 Jiri Pirko <[email protected]> 5 * 6 * This program is free software; you can redistribute it and/or modify 7 * it under the terms of the GNU General Public License as published by 8 * the Free Software Foundation; either version 2 of the License, or 9 * (at your option) any later version. 10 */ 11 12 #ifndef _UAPI_LINUX_DEVLINK_H_ 13 #define _UAPI_LINUX_DEVLINK_H_ 14 15 #define DEVLINK_GENL_NAME "devlink" 16 #define DEVLINK_GENL_VERSION 0x1 17 #define DEVLINK_GENL_MCGRP_CONFIG_NAME "config" 18 19 enum devlink_command { 20 /* don't change the order or add anything between, this is ABI! */ 21 DEVLINK_CMD_UNSPEC, 22 23 DEVLINK_CMD_GET, /* can dump */ 24 DEVLINK_CMD_SET, 25 DEVLINK_CMD_NEW, 26 DEVLINK_CMD_DEL, 27 28 DEVLINK_CMD_PORT_GET, /* can dump */ 29 DEVLINK_CMD_PORT_SET, 30 DEVLINK_CMD_PORT_NEW, 31 DEVLINK_CMD_PORT_DEL, 32 33 DEVLINK_CMD_PORT_SPLIT, 34 DEVLINK_CMD_PORT_UNSPLIT, 35 36 DEVLINK_CMD_SB_GET, /* can dump */ 37 DEVLINK_CMD_SB_SET, 38 DEVLINK_CMD_SB_NEW, 39 DEVLINK_CMD_SB_DEL, 40 41 DEVLINK_CMD_SB_POOL_GET, /* can dump */ 42 DEVLINK_CMD_SB_POOL_SET, 43 DEVLINK_CMD_SB_POOL_NEW, 44 DEVLINK_CMD_SB_POOL_DEL, 45 46 DEVLINK_CMD_SB_PORT_POOL_GET, /* can dump */ 47 DEVLINK_CMD_SB_PORT_POOL_SET, 48 DEVLINK_CMD_SB_PORT_POOL_NEW, 49 DEVLINK_CMD_SB_PORT_POOL_DEL, 50 51 DEVLINK_CMD_SB_TC_POOL_BIND_GET, /* can dump */ 52 DEVLINK_CMD_SB_TC_POOL_BIND_SET, 53 DEVLINK_CMD_SB_TC_POOL_BIND_NEW, 54 DEVLINK_CMD_SB_TC_POOL_BIND_DEL, 55 56 /* Shared buffer occupancy monitoring commands */ 57 DEVLINK_CMD_SB_OCC_SNAPSHOT, 58 DEVLINK_CMD_SB_OCC_MAX_CLEAR, 59 60 DEVLINK_CMD_ESWITCH_GET, 61 #define DEVLINK_CMD_ESWITCH_MODE_GET /* obsolete, never use this! */ \ 62 DEVLINK_CMD_ESWITCH_GET 63 64 DEVLINK_CMD_ESWITCH_SET, 65 #define DEVLINK_CMD_ESWITCH_MODE_SET /* obsolete, never use this! */ \ 66 DEVLINK_CMD_ESWITCH_SET 67 68 /* add new commands above here */ 69 70 __DEVLINK_CMD_MAX, 71 DEVLINK_CMD_MAX = __DEVLINK_CMD_MAX - 1 72 }; 73 74 enum devlink_port_type { 75 DEVLINK_PORT_TYPE_NOTSET, 76 DEVLINK_PORT_TYPE_AUTO, 77 DEVLINK_PORT_TYPE_ETH, 78 DEVLINK_PORT_TYPE_IB, 79 }; 80 81 enum devlink_sb_pool_type { 82 DEVLINK_SB_POOL_TYPE_INGRESS, 83 DEVLINK_SB_POOL_TYPE_EGRESS, 84 }; 85 86 /* static threshold - limiting the maximum number of bytes. 87 * dynamic threshold - limiting the maximum number of bytes 88 * based on the currently available free space in the shared buffer pool. 89 * In this mode, the maximum quota is calculated based 90 * on the following formula: 91 * max_quota = alpha / (1 + alpha) * Free_Buffer 92 * While Free_Buffer is the amount of none-occupied buffer associated to 93 * the relevant pool. 94 * The value range which can be passed is 0-20 and serves 95 * for computation of alpha by following formula: 96 * alpha = 2 ^ (passed_value - 10) 97 */ 98 99 enum devlink_sb_threshold_type { 100 DEVLINK_SB_THRESHOLD_TYPE_STATIC, 101 DEVLINK_SB_THRESHOLD_TYPE_DYNAMIC, 102 }; 103 104 #define DEVLINK_SB_THRESHOLD_TO_ALPHA_MAX 20 105 106 enum devlink_eswitch_mode { 107 DEVLINK_ESWITCH_MODE_LEGACY, 108 DEVLINK_ESWITCH_MODE_SWITCHDEV, 109 }; 110 111 enum devlink_eswitch_inline_mode { 112 DEVLINK_ESWITCH_INLINE_MODE_NONE, 113 DEVLINK_ESWITCH_INLINE_MODE_LINK, 114 DEVLINK_ESWITCH_INLINE_MODE_NETWORK, 115 DEVLINK_ESWITCH_INLINE_MODE_TRANSPORT, 116 }; 117 118 enum devlink_attr { 119 /* don't change the order or add anything between, this is ABI! */ 120 DEVLINK_ATTR_UNSPEC, 121 122 /* bus name + dev name together are a handle for devlink entity */ 123 DEVLINK_ATTR_BUS_NAME, /* string */ 124 DEVLINK_ATTR_DEV_NAME, /* string */ 125 126 DEVLINK_ATTR_PORT_INDEX, /* u32 */ 127 DEVLINK_ATTR_PORT_TYPE, /* u16 */ 128 DEVLINK_ATTR_PORT_DESIRED_TYPE, /* u16 */ 129 DEVLINK_ATTR_PORT_NETDEV_IFINDEX, /* u32 */ 130 DEVLINK_ATTR_PORT_NETDEV_NAME, /* string */ 131 DEVLINK_ATTR_PORT_IBDEV_NAME, /* string */ 132 DEVLINK_ATTR_PORT_SPLIT_COUNT, /* u32 */ 133 DEVLINK_ATTR_PORT_SPLIT_GROUP, /* u32 */ 134 DEVLINK_ATTR_SB_INDEX, /* u32 */ 135 DEVLINK_ATTR_SB_SIZE, /* u32 */ 136 DEVLINK_ATTR_SB_INGRESS_POOL_COUNT, /* u16 */ 137 DEVLINK_ATTR_SB_EGRESS_POOL_COUNT, /* u16 */ 138 DEVLINK_ATTR_SB_INGRESS_TC_COUNT, /* u16 */ 139 DEVLINK_ATTR_SB_EGRESS_TC_COUNT, /* u16 */ 140 DEVLINK_ATTR_SB_POOL_INDEX, /* u16 */ 141 DEVLINK_ATTR_SB_POOL_TYPE, /* u8 */ 142 DEVLINK_ATTR_SB_POOL_SIZE, /* u32 */ 143 DEVLINK_ATTR_SB_POOL_THRESHOLD_TYPE, /* u8 */ 144 DEVLINK_ATTR_SB_THRESHOLD, /* u32 */ 145 DEVLINK_ATTR_SB_TC_INDEX, /* u16 */ 146 DEVLINK_ATTR_SB_OCC_CUR, /* u32 */ 147 DEVLINK_ATTR_SB_OCC_MAX, /* u32 */ 148 DEVLINK_ATTR_ESWITCH_MODE, /* u16 */ 149 DEVLINK_ATTR_ESWITCH_INLINE_MODE, /* u8 */ 150 151 /* add new attributes above here, update the policy in devlink.c */ 152 153 __DEVLINK_ATTR_MAX, 154 DEVLINK_ATTR_MAX = __DEVLINK_ATTR_MAX - 1 155 }; 156 157 #endif /* _UAPI_LINUX_DEVLINK_H_ */ 158