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/*
* Linux network driver for QLogic BR-series Converged Network Adapter.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License (GPL) Version 2 as
* published by the Free Software Foundation
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*/
/*
* Copyright (c) 2005-2014 Brocade Communications Systems, Inc.
* Copyright (c) 2014-2015 QLogic Corporation
* All rights reserved
* www.qlogic.com
*/
/* BNA Hardware and Firmware Interface */
/* Skipping statistics collection to avoid clutter.
* Command is no longer needed:
* MTU
* TxQ Stop
* RxQ Stop
* RxF Enable/Disable
*
* HDS-off request is dynamic
* keep structures as multiple of 32-bit fields for alignment.
* All values must be written in big-endian.
*/
#ifndef __BFI_ENET_H__
#define __BFI_ENET_H__
#include "bfa_defs.h"
#include "bfi.h"
#pragma pack(1)
#define BFI_ENET_CFG_MAX 32 /* Max resources per PF */
#define BFI_ENET_TXQ_PRIO_MAX 8
#define BFI_ENET_RX_QSET_MAX 16
#define BFI_ENET_TXQ_WI_VECT_MAX 4
#define BFI_ENET_VLAN_ID_MAX 4096
#define BFI_ENET_VLAN_BLOCK_SIZE 512 /* in bits */
#define BFI_ENET_VLAN_BLOCKS_MAX \
(BFI_ENET_VLAN_ID_MAX / BFI_ENET_VLAN_BLOCK_SIZE)
#define BFI_ENET_VLAN_WORD_SIZE 32 /* in bits */
#define BFI_ENET_VLAN_WORDS_MAX \
(BFI_ENET_VLAN_BLOCK_SIZE / BFI_ENET_VLAN_WORD_SIZE)
#define BFI_ENET_RSS_RIT_MAX 64 /* entries */
#define BFI_ENET_RSS_KEY_LEN 10 /* 32-bit words */
union bfi_addr_be_u {
struct {
u32 addr_hi; /* Most Significant 32-bits */
u32 addr_lo; /* Least Significant 32-Bits */
} a32;
};
/* T X Q U E U E D E F I N E S */
/* TxQ Vector (a.k.a. Tx-Buffer Descriptor) */
/* TxQ Entry Opcodes */
#define BFI_ENET_TXQ_WI_SEND (0x402) /* Single Frame Transmission */
#define BFI_ENET_TXQ_WI_SEND_LSO (0x403) /* Multi-Frame Transmission */
#define BFI_ENET_TXQ_WI_EXTENSION (0x104) /* Extension WI */
/* TxQ Entry Control Flags */
#define BFI_ENET_TXQ_WI_CF_FCOE_CRC (1 << 8)
#define BFI_ENET_TXQ_WI_CF_IPID_MODE (1 << 5)
#define BFI_ENET_TXQ_WI_CF_INS_PRIO (1 << 4)
#define BFI_ENET_TXQ_WI_CF_INS_VLAN (1 << 3)
#define BFI_ENET_TXQ_WI_CF_UDP_CKSUM (1 << 2)
#define BFI_ENET_TXQ_WI_CF_TCP_CKSUM (1 << 1)
#define BFI_ENET_TXQ_WI_CF_IP_CKSUM (1 << 0)
struct bfi_enet_txq_wi_base {
u8 reserved;
u8 num_vectors; /* number of vectors present */
u16 opcode;
/* BFI_ENET_TXQ_WI_SEND or BFI_ENET_TXQ_WI_SEND_LSO */
u16 flags; /* OR of all the flags */
u16 l4_hdr_size_n_offset;
u16 vlan_tag;
u16 lso_mss; /* Only 14 LSB are valid */
u32 frame_length; /* Only 24 LSB are valid */
};
struct bfi_enet_txq_wi_ext {
u16 reserved;
u16 opcode; /* BFI_ENET_TXQ_WI_EXTENSION */
u32 reserved2[3];
};
struct bfi_enet_txq_wi_vector { /* Tx Buffer Descriptor */
u16 reserved;
u16 length; /* Only 14 LSB are valid */
union bfi_addr_be_u addr;
};
/* TxQ Entry Structure */
struct bfi_enet_txq_entry {
union {
struct bfi_enet_txq_wi_base base;
struct bfi_enet_txq_wi_ext ext;
} wi;
struct bfi_enet_txq_wi_vector vector[BFI_ENET_TXQ_WI_VECT_MAX];
};
#define wi_hdr wi.base
#define wi_ext_hdr wi.ext
#define BFI_ENET_TXQ_WI_L4_HDR_N_OFFSET(_hdr_size, _offset) \
(((_hdr_size) << 10) | ((_offset) & 0x3FF))
/* R X Q U E U E D E F I N E S */
struct bfi_enet_rxq_entry {
union bfi_addr_be_u rx_buffer;
};
/* R X C O M P L E T I O N Q U E U E D E F I N E S */
/* CQ Entry Flags */
#define BFI_ENET_CQ_EF_MAC_ERROR (1 << 0)
#define BFI_ENET_CQ_EF_FCS_ERROR (1 << 1)
#define BFI_ENET_CQ_EF_TOO_LONG (1 << 2)
#define BFI_ENET_CQ_EF_FC_CRC_OK (1 << 3)
#define BFI_ENET_CQ_EF_RSVD1 (1 << 4)
#define BFI_ENET_CQ_EF_L4_CKSUM_OK (1 << 5)
#define BFI_ENET_CQ_EF_L3_CKSUM_OK (1 << 6)
#define BFI_ENET_CQ_EF_HDS_HEADER (1 << 7)
#define BFI_ENET_CQ_EF_UDP (1 << 8)
#define BFI_ENET_CQ_EF_TCP (1 << 9)
#define BFI_ENET_CQ_EF_IP_OPTIONS (1 << 10)
#define BFI_ENET_CQ_EF_IPV6 (1 << 11)
#define BFI_ENET_CQ_EF_IPV4 (1 << 12)
#define BFI_ENET_CQ_EF_VLAN (1 << 13)
#define BFI_ENET_CQ_EF_RSS (1 << 14)
#define BFI_ENET_CQ_EF_RSVD2 (1 << 15)
#define BFI_ENET_CQ_EF_MCAST_MATCH (1 << 16)
#define BFI_ENET_CQ_EF_MCAST (1 << 17)
#define BFI_ENET_CQ_EF_BCAST (1 << 18)
#define BFI_ENET_CQ_EF_REMOTE (1 << 19)
#define BFI_ENET_CQ_EF_LOCAL (1 << 20)
/* CQ Entry Structure */
struct bfi_enet_cq_entry {
u32 flags;
u16 vlan_tag;
u16 length;
u32 rss_hash;
u8 valid;
u8 reserved1;
u8 reserved2;
u8 rxq_id;
};
/* E N E T C O N T R O L P A T H C O M M A N D S */
struct bfi_enet_q {
union bfi_addr_u pg_tbl;
union bfi_addr_u first_entry;
u16 pages; /* # of pages */
u16 page_sz;
};
struct bfi_enet_txq {
struct bfi_enet_q q;
u8 priority;
u8 rsvd[3];
};
struct bfi_enet_rxq {
struct bfi_enet_q q;
u16 rx_buffer_size;
u16 rsvd;
};
struct bfi_enet_cq {
struct bfi_enet_q q;
};
struct bfi_enet_ib_cfg {
u8 int_pkt_dma;
u8 int_enabled;
u8 int_pkt_enabled;
u8 continuous_coalescing;
u8 msix;
u8 rsvd[3];
u32 coalescing_timeout;
u32 inter_pkt_timeout;
u8 inter_pkt_count;
u8 rsvd1[3];
};
struct bfi_enet_ib {
union bfi_addr_u index_addr;
union {
u16 msix_index;
u16 intx_bitmask;
} intr;
u16 rsvd;
};
/* ENET command messages */
enum bfi_enet_h2i_msgs {
/* Rx Commands */
BFI_ENET_H2I_RX_CFG_SET_REQ = 1,
BFI_ENET_H2I_RX_CFG_CLR_REQ = 2,
BFI_ENET_H2I_RIT_CFG_REQ = 3,
BFI_ENET_H2I_RSS_CFG_REQ = 4,
BFI_ENET_H2I_RSS_ENABLE_REQ = 5,
BFI_ENET_H2I_RX_PROMISCUOUS_REQ = 6,
BFI_ENET_H2I_RX_DEFAULT_REQ = 7,
BFI_ENET_H2I_MAC_UCAST_SET_REQ = 8,
BFI_ENET_H2I_MAC_UCAST_CLR_REQ = 9,
BFI_ENET_H2I_MAC_UCAST_ADD_REQ = 10,
BFI_ENET_H2I_MAC_UCAST_DEL_REQ = 11,
BFI_ENET_H2I_MAC_MCAST_ADD_REQ = 12,
BFI_ENET_H2I_MAC_MCAST_DEL_REQ = 13,
BFI_ENET_H2I_MAC_MCAST_FILTER_REQ = 14,
BFI_ENET_H2I_RX_VLAN_SET_REQ = 15,
BFI_ENET_H2I_RX_VLAN_STRIP_ENABLE_REQ = 16,
/* Tx Commands */
BFI_ENET_H2I_TX_CFG_SET_REQ = 17,
BFI_ENET_H2I_TX_CFG_CLR_REQ = 18,
/* Port Commands */
BFI_ENET_H2I_PORT_ADMIN_UP_REQ = 19,
BFI_ENET_H2I_SET_PAUSE_REQ = 20,
BFI_ENET_H2I_DIAG_LOOPBACK_REQ = 21,
/* Get Attributes Command */
BFI_ENET_H2I_GET_ATTR_REQ = 22,
/* Statistics Commands */
BFI_ENET_H2I_STATS_GET_REQ = 23,
BFI_ENET_H2I_STATS_CLR_REQ = 24,
BFI_ENET_H2I_WOL_MAGIC_REQ = 25,
BFI_ENET_H2I_WOL_FRAME_REQ = 26,
BFI_ENET_H2I_MAX = 27,
};
enum bfi_enet_i2h_msgs {
/* Rx Responses */
BFI_ENET_I2H_RX_CFG_SET_RSP =
BFA_I2HM(BFI_ENET_H2I_RX_CFG_SET_REQ),
BFI_ENET_I2H_RX_CFG_CLR_RSP =
BFA_I2HM(BFI_ENET_H2I_RX_CFG_CLR_REQ),
BFI_ENET_I2H_RIT_CFG_RSP =
BFA_I2HM(BFI_ENET_H2I_RIT_CFG_REQ),
BFI_ENET_I2H_RSS_CFG_RSP =
BFA_I2HM(BFI_ENET_H2I_RSS_CFG_REQ),
BFI_ENET_I2H_RSS_ENABLE_RSP =
BFA_I2HM(BFI_ENET_H2I_RSS_ENABLE_REQ),
BFI_ENET_I2H_RX_PROMISCUOUS_RSP =
BFA_I2HM(BFI_ENET_H2I_RX_PROMISCUOUS_REQ),
BFI_ENET_I2H_RX_DEFAULT_RSP =
BFA_I2HM(BFI_ENET_H2I_RX_DEFAULT_REQ),
BFI_ENET_I2H_MAC_UCAST_SET_RSP =
BFA_I2HM(BFI_ENET_H2I_MAC_UCAST_SET_REQ),
BFI_ENET_I2H_MAC_UCAST_CLR_RSP =
BFA_I2HM(BFI_ENET_H2I_MAC_UCAST_CLR_REQ),
BFI_ENET_I2H_MAC_UCAST_ADD_RSP =
BFA_I2HM(BFI_ENET_H2I_MAC_UCAST_ADD_REQ),
BFI_ENET_I2H_MAC_UCAST_DEL_RSP =
BFA_I2HM(BFI_ENET_H2I_MAC_UCAST_DEL_REQ),
BFI_ENET_I2H_MAC_MCAST_ADD_RSP =
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