/*
* aQuantia Corporation Network Driver
* Copyright (C) 2014-2017 aQuantia Corporation. All rights reserved
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*/
/* File hw_atl_a0_internal.h: Definition of Atlantic A0 chip specific
* constants.
*/
#ifndef HW_ATL_A0_INTERNAL_H
#define HW_ATL_A0_INTERNAL_H
#include "../aq_common.h"
#define HW_ATL_A0_MTU_JUMBO 9014U
#define HW_ATL_A0_TX_RINGS 4U
#define HW_ATL_A0_RX_RINGS 4U
#define HW_ATL_A0_RINGS_MAX 32U
#define HW_ATL_A0_TXD_SIZE 16U
#define HW_ATL_A0_RXD_SIZE 16U
#define HW_ATL_A0_MAC 0U
#define HW_ATL_A0_MAC_MIN 1U
#define HW_ATL_A0_MAC_MAX 33U
/* interrupts */
#define HW_ATL_A0_ERR_INT 8U
#define HW_ATL_A0_INT_MASK 0xFFFFFFFFU
#define HW_ATL_A0_TXD_CTL2_LEN 0xFFFFC000U
#define HW_ATL_A0_TXD_CTL2_CTX_EN 0x00002000U
#define HW_ATL_A0_TXD_CTL2_CTX_IDX 0x00001000U
#define HW_ATL_A0_TXD_CTL_DESC_TYPE_TXD 0x00000001U
#define HW_ATL_A0_TXD_CTL_DESC_TYPE_TXC 0x00000002U
#define HW_ATL_A0_TXD_CTL_BLEN 0x000FFFF0U
#define HW_ATL_A0_TXD_CTL_DD 0x00100000U
#define HW_ATL_A0_TXD_CTL_EOP 0x00200000U
#define HW_ATL_A0_TXD_CTL_CMD_X 0x3FC00000U
#define HW_ATL_A0_TXD_CTL_CMD_VLAN BIT(22)
#define HW_ATL_A0_TXD_CTL_CMD_FCS BIT(23)
#define HW_ATL_A0_TXD_CTL_CMD_IPCSO BIT(24)
#define HW_ATL_A0_TXD_CTL_CMD_TUCSO BIT(25)
#define HW_ATL_A0_TXD_CTL_CMD_LSO BIT(26)
#define HW_ATL_A0_TXD_CTL_CMD_WB BIT(27)
#define HW_ATL_A0_TXD_CTL_CMD_VXLAN BIT(28)
#define HW_ATL_A0_TXD_CTL_CMD_IPV6 BIT(21)
#define HW_ATL_A0_TXD_CTL_CMD_TCP BIT(22)
#define HW_ATL_A0_MPI_CONTROL_ADR 0x0368U
#define HW_ATL_A0_MPI_STATE_ADR 0x036CU
#define HW_ATL_A0_MPI_SPEED_MSK 0xFFFFU
#define HW_ATL_A0_MPI_SPEED_SHIFT 16U
#define HW_ATL_A0_RATE_10G BIT(0)
#define HW_ATL_A0_RATE_5G BIT(1)
#define HW_ATL_A0_RATE_2G5 BIT(3)
#define HW_ATL_A0_RATE_1G BIT(4)
#define HW_ATL_A0_RATE_100M BIT(5)
#define HW_ATL_A0_TXBUF_MAX 160U
#define HW_ATL_A0_RXBUF_MAX 320U
#define HW_ATL_A0_RSS_REDIRECTION_MAX 64U
#define HW_ATL_A0_RSS_REDIRECTION_BITS 3U
#define HW_ATL_A0_TC_MAX 1U
#define HW_ATL_A0_RSS_MAX 8U
#define HW_ATL_A0_FW_SEMA_RAM 0x2U
#define HW_ATL_A0_RXD_DD 0x1U
#define HW_ATL_A0_RXD_NCEA0 0x1U
#define HW_ATL_A0_RXD_WB_STAT2_EOP 0x0002U
#define HW_ATL_A0_UCP_0X370_REG 0x370U
#define HW_ATL_A0_FW_VER_EXPECTED 0x01050006U
/* Hardware tx descriptor */
struct __packed hw_atl_txd_s {
u64 buf_addr;
u32 ctl;
u32 ctl2; /* 63..46 - payload length, 45 - ctx enable, 44 - ctx index */
};
/* Hardware tx context descriptor */
struct __packed hw_atl_txc_s {
u32 rsvd;
u32 len;
u32 ctl;
u32 len2;
};
/* Hardware rx descriptor */
struct __packed hw_atl_rxd_s {
u64 buf_addr;
u64 hdr_addr;
};
/* Hardware rx descriptor writeback */
struct __packed hw_atl_rxd_wb_s {
u32 type;
u32 rss_hash;
u16 status;
u16 pkt_len;
u16 next_desc_ptr;
u16 vlan;
};
/* HW layer capabilities */
static struct aq_hw_caps_s hw_atl_a0_hw_caps_ = {
.ports = 1U,
.is_64_dma = true,
.msix_irqs = 4U,
.irq_mask = ~0U,
.vecs = HW_ATL_A0_RSS_MAX,
.tcs = HW_ATL_A0_TC_MAX,
.rxd_alignment = 1U,
.rxd_size = HW_ATL_A0_RXD_SIZE,
.rxds = 248U,
.txd_alignment = 1U,
.txd_size = HW_ATL_A0_TXD_SIZE,
.txds = 8U * 1024U,
.txhwb_alignment = 4096U,
.tx_rings = HW_ATL_A0_TX_RINGS,
.rx_rings = HW_ATL_A0_RX_RINGS,
.hw_features = NETIF_F_HW_CSUM |
NETIF_F_RXCSUM |
NETIF_F_RXHASH |
NETIF_F_SG |
NETIF_F_TSO,
.hw_priv_flags = IFF_UNICAST_FLT,
.link_speed_msk = (HW_ATL_A0_RATE_10G |
HW_ATL_A0_RATE_5G |
HW_ATL_A0_RATE_2G5 |
HW_ATL_A0_RATE_1G |
HW_ATL_A0_RATE_100M),
.flow_control = true,
.mtu = HW_ATL_A0_MTU_JUMBO,
.mac_regs_count = 88,
.fw_ver_expected = HW_ATL_A0_FW_VER_EXPECTED,
};
#endif /* HW_ATL_A0_INTERNAL_H */
