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/*
* drivers/net/ethernet/rocker/rocker_hw.h - Rocker switch device driver
* Copyright (c) 2014-2016 Jiri Pirko <jiri@mellanox.com>
* Copyright (c) 2014 Scott Feldman <sfeldma@gmail.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*/
#ifndef _ROCKER_HW_H
#define _ROCKER_HW_H
#include <linux/types.h>
/* Return codes */
enum {
ROCKER_OK = 0,
ROCKER_ENOENT = 2,
ROCKER_ENXIO = 6,
ROCKER_ENOMEM = 12,
ROCKER_EEXIST = 17,
ROCKER_EINVAL = 22,
ROCKER_EMSGSIZE = 90,
ROCKER_ENOTSUP = 95,
ROCKER_ENOBUFS = 105,
};
#define ROCKER_FP_PORTS_MAX 62
#define PCI_VENDOR_ID_REDHAT 0x1b36
#define PCI_DEVICE_ID_REDHAT_ROCKER 0x0006
#define ROCKER_PCI_BAR0_SIZE 0x2000
/* MSI-X vectors */
enum {
ROCKER_MSIX_VEC_CMD,
ROCKER_MSIX_VEC_EVENT,
ROCKER_MSIX_VEC_TEST,
ROCKER_MSIX_VEC_RESERVED0,
__ROCKER_MSIX_VEC_TX,
__ROCKER_MSIX_VEC_RX,
#define ROCKER_MSIX_VEC_TX(port) \
(__ROCKER_MSIX_VEC_TX + ((port) * 2))
#define ROCKER_MSIX_VEC_RX(port) \
(__ROCKER_MSIX_VEC_RX + ((port) * 2))
#define ROCKER_MSIX_VEC_COUNT(portcnt) \
(ROCKER_MSIX_VEC_RX((portcnt - 1)) + 1)
};
/* Rocker bogus registers */
#define ROCKER_BOGUS_REG0 0x0000
#define ROCKER_BOGUS_REG1 0x0004
#define ROCKER_BOGUS_REG2 0x0008
#define ROCKER_BOGUS_REG3 0x000c
/* Rocker test registers */
#define ROCKER_TEST_REG 0x0010
#define ROCKER_TEST_REG64 0x0018 /* 8-byte */
#define ROCKER_TEST_IRQ 0x0020
#define ROCKER_TEST_DMA_ADDR 0x0028 /* 8-byte */
#define ROCKER_TEST_DMA_SIZE 0x0030
#define ROCKER_TEST_DMA_CTRL 0x0034
/* Rocker test register ctrl */
#define ROCKER_TEST_DMA_CTRL_CLEAR BIT(0)
#define ROCKER_TEST_DMA_CTRL_FILL BIT(1)
#define ROCKER_TEST_DMA_CTRL_INVERT BIT(2)
/* Rocker DMA ring register offsets */
#define ROCKER_DMA_DESC_ADDR(x) (0x1000 + (x) * 32) /* 8-byte */
#define ROCKER_DMA_DESC_SIZE(x) (0x1008 + (x) * 32)
#define ROCKER_DMA_DESC_HEAD(x) (0x100c + (x) * 32)
#define ROCKER_DMA_DESC_TAIL(x) (0x1010 + (x) * 32)
#define ROCKER_DMA_DESC_CTRL(x) (0x1014 + (x) * 32)
#define ROCKER_DMA_DESC_CREDITS(x) (0x1018 + (x) * 32)
#define ROCKER_DMA_DESC_RES1(x) (0x101c + (x) * 32)
/* Rocker dma ctrl register bits */
#define ROCKER_DMA_DESC_CTRL_RESET BIT(0)
/* Rocker DMA ring types */
enum rocker_dma_type {
ROCKER_DMA_CMD,
ROCKER_DMA_EVENT,
__ROCKER_DMA_TX,
__ROCKER_DMA_RX,
#define ROCKER_DMA_TX(port) (__ROCKER_DMA_TX + (port) * 2)
#define ROCKER_DMA_RX(port) (__ROCKER_DMA_RX + (port) * 2)
};
/* Rocker DMA ring size limits and default sizes */
#define ROCKER_DMA_SIZE_MIN 2ul
#define ROCKER_DMA_SIZE_MAX 65536ul
#define ROCKER_DMA_CMD_DEFAULT_SIZE 32ul
#define ROCKER_DMA_EVENT_DEFAULT_SIZE 32ul
#define ROCKER_DMA_TX_DEFAULT_SIZE 64ul
#define ROCKER_DMA_TX_DESC_SIZE 256
#define ROCKER_DMA_RX_DEFAULT_SIZE 64ul
#define ROCKER_DMA_RX_DESC_SIZE 256
/* Rocker DMA descriptor struct */
struct rocker_desc {
u64 buf_addr;
u64 cookie;
u16 buf_size;
u16 tlv_size;
u16 resv[5];
u16 comp_err;
};
#define ROCKER_DMA_DESC_COMP_ERR_GEN BIT(15)
/* Rocker DMA TLV struct */
struct rocker_tlv {
u32 type;
u16 len;
};
/* TLVs */
enum {
ROCKER_TLV_CMD_UNSPEC,
ROCKER_TLV_CMD_TYPE, /* u16 */
ROCKER_TLV_CMD_INFO, /* nest */
__ROCKER_TLV_CMD_MAX,
ROCKER_TLV_CMD_MAX = __ROCKER_TLV_CMD_MAX - 1,
};
enum {
ROCKER_TLV_CMD_TYPE_UNSPEC,
ROCKER_TLV_CMD_TYPE_GET_PORT_SETTINGS,
ROCKER_TLV_CMD_TYPE_SET_PORT_SETTINGS,
ROCKER_TLV_CMD_TYPE_OF_DPA_FLOW_ADD,
ROCKER_TLV_CMD_TYPE_OF_DPA_FLOW_MOD,
ROCKER_TLV_CMD_TYPE_OF_DPA_FLOW_DEL,
ROCKER_TLV_CMD_TYPE_OF_DPA_FLOW_GET_STATS,
ROCKER_TLV_CMD_TYPE_OF_DPA_GROUP_ADD,
ROCKER_TLV_CMD_TYPE_OF_DPA_GROUP_MOD,
ROCKER_TLV_CMD_TYPE_OF_DPA_GROUP_DEL,
ROCKER_TLV_CMD_TYPE_OF_DPA_GROUP_GET_STATS,
ROCKER_TLV_CMD_TYPE_CLEAR_PORT_STATS,
ROCKER_TLV_CMD_TYPE_GET_PORT_STATS,
__ROCKER_TLV_CMD_TYPE_MAX,
ROCKER_TLV_CMD_TYPE_MAX = __ROCKER_TLV_CMD_TYPE_MAX - 1,
};
enum {
ROCKER_TLV_CMD_PORT_SETTINGS_UNSPEC,
ROCKER_TLV_CMD_PORT_SETTINGS_PPORT, /* u32 */
ROCKER_TLV_CMD_PORT_SETTINGS_SPEED, /* u32 */
ROCKER_TLV_CMD_PORT_SETTINGS_DUPLEX, /* u8 */
ROCKER_TLV_CMD_PORT_SETTINGS_AUTONEG, /* u8 */
ROCKER_TLV_CMD_PORT_SETTINGS_MACADDR, /* binary */
ROCKER_TLV_CMD_PORT_SETTINGS_MODE, /* u8 */
ROCKER_TLV_CMD_PORT_SETTINGS_LEARNING, /* u8 */
ROCKER_TLV_CMD_PORT_SETTINGS_PHYS_NAME, /* binary */
ROCKER_TLV_CMD_PORT_SETTINGS_MTU, /* u16 */
__ROCKER_TLV_CMD_PORT_SETTINGS_MAX,
ROCKER_TLV_CMD_PORT_SETTINGS_MAX =
__ROCKER_TLV_CMD_PORT_SETTINGS_MAX - 1,
};
enum {
ROCKER_TLV_CMD_PORT_STATS_UNSPEC,
ROCKER_TLV_CMD_PORT_STATS_PPORT, /* u32 */
ROCKER_TLV_CMD_PORT_STATS_RX_PKTS, /* u64 */
ROCKER_TLV_CMD_PORT_STATS_RX_BYTES, /* u64 */
ROCKER_TLV_CMD_PORT_STATS_RX_DROPPED, /* u64 */
ROCKER_TLV_CMD_PORT_STATS_RX_ERRORS, /* u64 */
ROCKER_TLV_CMD_PORT_STATS_TX_PKTS, /* u64 */
ROCKER_TLV_CMD_PORT_STATS_TX_BYTES, /* u64 */
ROCKER_TLV_CMD_PORT_STATS_TX_DROPPED, /* u64 */
ROCKER_TLV_CMD_PORT_STATS_TX_ERRORS, /* u64 */
__ROCKER_TLV_CMD_PORT_STATS_MAX,
ROCKER_TLV_CMD_PORT_STATS_MAX = __ROCKER_TLV_CMD_PORT_STATS_MAX - 1,
};
enum rocker_port_mode {
ROCKER_PORT_MODE_OF_DPA,
};
enum {
ROCKER_TLV_EVENT_UNSPEC,
ROCKER_TLV_EVENT_TYPE, /* u16 */
ROCKER_TLV_EVENT_INFO, /* nest */
__ROCKER_TLV_EVENT_MAX,
ROCKER_TLV_EVENT_MAX = __ROCKER_TLV_EVENT_MAX - 1,
};
enum {
ROCKER_TLV_EVENT_TYPE_UNSPEC,
ROCKER_TLV_EVENT_TYPE_LINK_CHANGED,
ROCKER_TLV_EVENT_TYPE_MAC_VLAN_SEEN,
__ROCKER_TLV_EVENT_TYPE_MAX,
ROCKER_TLV_EVENT_TYPE_MAX = __ROCKER_TLV_EVENT_TYPE_MAX - 1,
};
enum {
ROCKER_TLV_EVENT_LINK_CHANGED_UNSPEC,
ROCKER_TLV_EVENT_LINK_CHANGED_PPORT, /* u32 */
ROCKER_TLV_EVENT_LINK_CHANGED_LINKUP, /* u8 */
__ROCKER_TLV_EVENT_LINK_CHANGED_MAX,
ROCKER_TLV_EVENT_LINK_CHANGED_MAX =
__ROCKER_TLV_EVENT_LINK_CHANGED_MAX - 1,
};
enum {
ROCKER_TLV_EVENT_MAC_VLAN_UNSPEC,
ROCKER_TLV_EVENT_MAC_VLAN_PPORT, /* u32 */
ROCKER_TLV_EVENT_MAC_VLAN_MAC, /* binary */
ROCKER_TLV_EVENT_MAC_VLAN_VLAN_ID, /* __be16 */
__ROCKER_TLV_EVENT_MAC_VLAN_MAX,
ROCKER_TLV_EVENT_MAC_VLAN_MAX = __ROCKER_TLV_EVENT_MAC_VLAN_MAX - 1,
};
enum {
ROCKER_TLV_RX_UNSPEC,
ROCKER_TLV_RX_FLAGS, /* u16, see ROCKER_RX_FLAGS_ */
ROCKER_TLV_RX_CSUM, /* u16 */
ROCKER_TLV_RX_FRAG_ADDR, /* u64 */
ROCKER_TLV_RX_FRAG_MAX_LEN, /* u16 */
ROCKER_TLV_RX_FRAG_LEN, /* u16 */
__ROCKER_TLV_RX_MAX,
ROCKER_TLV_RX_MAX = __ROCKER_TLV_RX_MAX - 1,
};
#define ROCKER_RX_FLAGS_IPV4 BIT(0)
#define ROCKER_RX_FLAGS_IPV6 BIT(1)
#define ROCKER_RX_FLAGS_CSUM_CALC BIT(2)
#define ROCKER_RX_FLAGS_IPV4_CSUM_GOOD BIT(3)
#define ROCKER_RX_FLAGS_IP_FRAG BIT(4)
#define ROCKER_RX_FLAGS_TCP BIT(5)
#define ROCKER_RX_FLAGS_UDP BIT(6)
#define ROCKER_RX_FLAGS_TCP_UDP_CSUM_GOOD BIT(7)
#define ROCKER_RX_FLAGS_FWD_OFFLOAD BIT(8)
enum {
ROCKER_TLV_TX_UNSPEC,
ROCKER_TLV_TX_OFFLOAD, /* u8, see ROCKER_TX_OFFLOAD_ */
ROCKER_TLV_TX_L3_CSUM_OFF, /* u16 */
ROCKER_TLV_TX_TSO_MSS, /* u16 */
ROCKER_TLV_TX_TSO_HDR_LEN, /* u16 */
ROCKER_TLV_TX_FRAGS, /* array */
__ROCKER_TLV_TX_MAX,
ROCKER_TLV_TX_MAX = __ROCKER_TLV_TX_MAX - 1,
};
#define ROCKER_TX_OFFLOAD_NONE 0
#define ROCKER_TX_OFFLOAD_IP_CSUM 1
#define ROCKER_TX_OFFLOAD_TCP_UDP_CSUM 2
#define ROCKER_TX_OFFLOAD_L3_CSUM 3
#define ROCKER_TX_OFFLOAD_TSO 4
#define ROCKER_TX_FRAGS_MAX 16
enum {
ROCKER_TLV_TX_FRAG_UNSPEC,
ROCKER_TLV_TX_FRAG, /* nest */
__ROCKER_TLV_TX_FRAG_MAX,
ROCKER_TLV_TX_FRAG_MAX = __ROCKER_TLV_TX_FRAG_MAX - 1,
};
enum {
ROCKER_TLV_TX_FRAG_ATTR_UNSPEC,
ROCKER_TLV_TX_FRAG_ATTR_ADDR, /* u64 */
ROCKER_TLV_TX_FRAG_ATTR_LEN, /* u16 */
__ROCKER_TLV_TX_FRAG_ATTR_MAX,
ROCKER_TLV_TX_FRAG_ATTR_MAX = __ROCKER_TLV_TX_FRAG_ATTR_MAX - 1,
};
/* cmd info nested for OF-DPA msgs */
enum {
ROCKER_TLV_OF_DPA_UNSPEC,
ROCKER_TLV_OF_DPA_TABLE_ID, /* u16 */
ROCKER_TLV_OF_DPA_PRIORITY, /* u32 */
ROCKER_TLV_OF_DPA_HARDTIME, /* u32 */
ROCKER_TLV_OF_DPA_IDLETIME, /* u32 */
ROCKER_TLV_OF_DPA_COOKIE, /* u64 */
ROCKER_TLV_OF_DPA_IN_PPORT, /* u32 */
ROCKER_TLV_OF_DPA_IN_PPORT_MASK, /* u32 */
ROCKER_TLV_OF_DPA_OUT_PPORT, /* u32 */
ROCKER_TLV_OF_DPA_GOTO_TABLE_ID, /* u16 */
ROCKER_TLV_OF_DPA_GROUP_ID, /* u32 */
ROCKER_TLV_OF_DPA_GROUP_ID_LOWER, /* u32 */
ROCKER_TLV_OF_DPA_GROUP_COUNT, /* u16 */
ROCKER_TLV_OF_DPA_GROUP_IDS, /* u32 array */
ROCKER_TLV_OF_DPA_VLAN_ID, /* __be16 */
ROCKER_TLV_OF_DPA_VLAN_ID_MASK, /* __be16 */
ROCKER_TLV_OF_DPA_VLAN_PCP, /* __be16 */
ROCKER_TLV_OF_DPA_VLAN_PCP_MASK, /* __be16 */
ROCKER_TLV_OF_DPA_VLAN_PCP_ACTION, /* u8 */
ROCKER_TLV_OF_DPA_NEW_VLAN_ID, /* __be16 */
ROCKER_TLV_OF_DPA_NEW_VLAN_PCP, /* u8 */
ROCKER_TLV_OF_DPA_TUNNEL_ID, /* u32 */
ROCKER_TLV_OF_DPA_TUNNEL_LPORT, /* u32 */
ROCKER_TLV_OF_DPA_ETHERTYPE, /* __be16 */
ROCKER_TLV_OF_DPA_DST_MAC, /* binary */
ROCKER_TLV_OF_DPA_DST_MAC_MASK, /* binary */
ROCKER_TLV_OF_DPA_SRC_MAC, /* binary */
ROCKER_TLV_OF_DPA_SRC_MAC_MASK, /* binary */
ROCKER_TLV_OF_DPA_IP_PROTO, /* u8 */
ROCKER_TLV_OF_DPA_IP_PROTO_MASK, /* u8 */
ROCKER_TLV_OF_DPA_IP_DSCP, /* u8 */
ROCKER_TLV_OF_DPA_IP_DSCP_MASK, /* u8 */
ROCKER_TLV_OF_DPA_IP_DSCP_ACTION, /* u8 */
ROCKER_TLV_OF_DPA_NEW_IP_DSCP, /* u8 */
ROCKER_TLV_OF_DPA_IP_ECN, /* u8 */
ROCKER_TLV_OF_DPA_IP_ECN_MASK, /* u8 */
ROCKER_TLV_OF_DPA_DST_IP, /* __be32 */
ROCKER_TLV_OF_DPA_DST_IP_MASK, /* __be32 */
ROCKER_TLV_OF_DPA_SRC_IP, /* __be32 */
ROCKER_TLV_OF_DPA_SRC_IP_MASK, /* __be32 */
ROCKER_TLV_OF_DPA_DST_IPV6, /* binary */
ROCKER_TLV_OF_DPA_DST_IPV6_MASK, /* binary */
ROCKER_TLV_OF_DPA_SRC_IPV6, /* binary */
ROCKER_TLV_OF_DPA_SRC_IPV6_MASK, /* binary */
ROCKER_TLV_OF_DPA_SRC_ARP_IP, /* __be32 */
ROCKER_TLV_OF_DPA_SRC_ARP_IP_MASK, /* __be32 */
ROCKER_TLV_OF_DPA_L4_DST_PORT, /* __be16 */
ROCKER_TLV_OF_DPA_L4_DST_PORT_MASK, /* __be16 */
ROCKER_TLV_OF_DPA_L4_SRC_PORT, /* __be16 */
ROCKER_TLV_OF_DPA_L4_SRC_PORT_MASK, /* __be16 */
ROCKER_TLV_OF_DPA_ICMP_TYPE, /* u8 */
ROCKER_TLV_OF_DPA_ICMP_TYPE_MASK, /* u8 */
ROCKER_TLV_OF_DPA_ICMP_CODE, /* u8 */
ROCKER_TLV_OF_DPA_ICMP_CODE_MASK, /* u8 */
ROCKER_TLV_OF_DPA_IPV6_LABEL, /* __be32 */
ROCKER_TLV_OF_DPA_IPV6_LABEL_MASK, /* __be32 */
ROCKER_TLV_OF_DPA_QUEUE_ID_ACTION, /* u8 */
ROCKER_TLV_OF_DPA_NEW_QUEUE_ID, /* u8 */
ROCKER_TLV_OF_DPA_CLEAR_ACTIONS, /* u32 */
ROCKER_TLV_OF_DPA_POP_VLAN, /* u8 */
ROCKER_TLV_OF_DPA_TTL_CHECK, /* u8 */
ROCKER_TLV_OF_DPA_COPY_CPU_ACTION, /* u8 */
__ROCKER_TLV_OF_DPA_MAX,
ROCKER_TLV_OF_DPA_MAX = __ROCKER_TLV_OF_DPA_MAX - 1,
};
/* OF-DPA table IDs */
enum rocker_of_dpa_table_id {
ROCKER_OF_DPA_TABLE_ID_INGRESS_PORT = 0,
ROCKER_OF_DPA_TABLE_ID_VLAN = 10,
ROCKER_OF_DPA_TABLE_ID_TERMINATION_MAC = 20,
ROCKER_OF_DPA_TABLE_ID_UNICAST_ROUTING = 30,
ROCKER_OF_DPA_TABLE_ID_MULTICAST_ROUTING = 40,
ROCKER_OF_DPA_TABLE_ID_BRIDGING = 50,
ROCKER_OF_DPA_TABLE_ID_ACL_POLICY = 60,
};
/* OF-DPA flow stats */
enum {
ROCKER_TLV_OF_DPA_FLOW_STAT_UNSPEC,
ROCKER_TLV_OF_DPA_FLOW_STAT_DURATION, /* u32 */
ROCKER_TLV_OF_DPA_FLOW_STAT_RX_PKTS, /* u64 */
ROCKER_TLV_OF_DPA_FLOW_STAT_TX_PKTS, /* u64 */
__ROCKER_TLV_OF_DPA_FLOW_STAT_MAX,
ROCKER_TLV_OF_DPA_FLOW_STAT_MAX = __ROCKER_TLV_OF_DPA_FLOW_STAT_MAX - 1,
};
/* OF-DPA group types */
enum rocker_of_dpa_group_type {
ROCKER_OF_DPA_GROUP_TYPE_L2_INTERFACE = 0,
ROCKER_OF_DPA_GROUP_TYPE_L2_REWRITE,
ROCKER_OF_DPA_GROUP_TYPE_L3_UCAST,
ROCKER_OF_DPA_GROUP_TYPE_L2_MCAST,
ROCKER_OF_DPA_GROUP_TYPE_L2_FLOOD,
ROCKER_OF_DPA_GROUP_TYPE_L3_INTERFACE,
ROCKER_OF_DPA_GROUP_TYPE_L3_MCAST,
ROCKER_OF_DPA_GROUP_TYPE_L3_ECMP,
ROCKER_OF_DPA_GROUP_TYPE_L2_OVERLAY,
};
/* OF-DPA group L2 overlay types */
enum rocker_of_dpa_overlay_type {
ROCKER_OF_DPA_OVERLAY_TYPE_FLOOD_UCAST = 0,
ROCKER_OF_DPA_OVERLAY_TYPE_FLOOD_MCAST,
ROCKER_OF_DPA_OVERLAY_TYPE_MCAST_UCAST,
ROCKER_OF_DPA_OVERLAY_TYPE_MCAST_MCAST,
};
/* OF-DPA group ID encoding */
#define ROCKER_GROUP_TYPE_SHIFT 28
#define ROCKER_GROUP_TYPE_MASK 0xf0000000
#define ROCK
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