diff options
Diffstat (limited to 'drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_a0_internal.h')
| -rw-r--r-- | drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_a0_internal.h | 155 |
1 files changed, 155 insertions, 0 deletions
diff --git a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_a0_internal.h b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_a0_internal.h new file mode 100644 index 000000000000..1093ea18823a --- /dev/null +++ b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_a0_internal.h @@ -0,0 +1,155 @@ +/* + * 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_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 */ |