| .. | .. |
|---|
| 1 | +/* SPDX-License-Identifier: GPL-2.0-or-later */ |
|---|
| 1 | 2 | /* |
|---|
| 2 | 3 | * drivers/net/ethernet/freescale/gianfar.h |
|---|
| 3 | 4 | * |
|---|
| .. | .. |
|---|
| 10 | 11 | * Modifier: Sandeep Gopalpet <sandeep.kumar@freescale.com> |
|---|
| 11 | 12 | * |
|---|
| 12 | 13 | * Copyright 2002-2009, 2011-2013 Freescale Semiconductor, Inc. |
|---|
| 13 | | - * |
|---|
| 14 | | - * This program is free software; you can redistribute it and/or modify it |
|---|
| 15 | | - * under the terms of the GNU General Public License as published by the |
|---|
| 16 | | - * Free Software Foundation; either version 2 of the License, or (at your |
|---|
| 17 | | - * option) any later version. |
|---|
| 18 | 14 | * |
|---|
| 19 | 15 | * Still left to do: |
|---|
| 20 | 16 | * -Add support for module parameters |
|---|
| .. | .. |
|---|
| 71 | 67 | /* Number of bytes to align the rx bufs to */ |
|---|
| 72 | 68 | #define RXBUF_ALIGNMENT 64 |
|---|
| 73 | 69 | |
|---|
| 74 | | -#define PHY_INIT_TIMEOUT 100000 |
|---|
| 75 | | - |
|---|
| 76 | 70 | #define DRV_NAME "gfar-enet" |
|---|
| 77 | | -extern const char gfar_driver_version[]; |
|---|
| 78 | 71 | |
|---|
| 79 | 72 | /* MAXIMUM NUMBER OF QUEUES SUPPORTED */ |
|---|
| 80 | 73 | #define MAX_TX_QS 0x8 |
|---|
| .. | .. |
|---|
| 92 | 85 | #define GFAR_RX_MAX_RING_SIZE 256 |
|---|
| 93 | 86 | #define GFAR_TX_MAX_RING_SIZE 256 |
|---|
| 94 | 87 | |
|---|
| 95 | | -#define GFAR_MAX_FIFO_THRESHOLD 511 |
|---|
| 96 | | -#define GFAR_MAX_FIFO_STARVE 511 |
|---|
| 97 | | -#define GFAR_MAX_FIFO_STARVE_OFF 511 |
|---|
| 98 | | - |
|---|
| 99 | 88 | #define FBTHR_SHIFT 24 |
|---|
| 100 | 89 | #define DEFAULT_RX_LFC_THR 16 |
|---|
| 101 | 90 | #define DEFAULT_LFC_PTVVAL 4 |
|---|
| 102 | 91 | |
|---|
| 103 | | -/* prevent fragmenation by HW in DSA environments */ |
|---|
| 104 | | -#define GFAR_RXB_SIZE roundup(1536 + 8, 64) |
|---|
| 105 | | -#define GFAR_SKBFRAG_SIZE (RXBUF_ALIGNMENT + GFAR_RXB_SIZE \ |
|---|
| 106 | | - + SKB_DATA_ALIGN(sizeof(struct skb_shared_info))) |
|---|
| 107 | 92 | #define GFAR_RXB_TRUESIZE 2048 |
|---|
| 93 | +#define GFAR_SKBFRAG_OVR (RXBUF_ALIGNMENT \ |
|---|
| 94 | + + SKB_DATA_ALIGN(sizeof(struct skb_shared_info))) |
|---|
| 95 | +#define GFAR_RXB_SIZE rounddown(GFAR_RXB_TRUESIZE - GFAR_SKBFRAG_OVR, 64) |
|---|
| 96 | +#define GFAR_SKBFRAG_SIZE (GFAR_RXB_SIZE + GFAR_SKBFRAG_OVR) |
|---|
| 108 | 97 | |
|---|
| 109 | 98 | #define TX_RING_MOD_MASK(size) (size-1) |
|---|
| 110 | 99 | #define RX_RING_MOD_MASK(size) (size-1) |
|---|
| .. | .. |
|---|
| 113 | 102 | #define DEFAULT_FIFO_TX_THR 0x100 |
|---|
| 114 | 103 | #define DEFAULT_FIFO_TX_STARVE 0x40 |
|---|
| 115 | 104 | #define DEFAULT_FIFO_TX_STARVE_OFF 0x80 |
|---|
| 116 | | -#define DEFAULT_BD_STASH 1 |
|---|
| 117 | | -#define DEFAULT_STASH_LENGTH 96 |
|---|
| 118 | | -#define DEFAULT_STASH_INDEX 0 |
|---|
| 119 | 105 | |
|---|
| 120 | 106 | /* The number of Exact Match registers */ |
|---|
| 121 | 107 | #define GFAR_EM_NUM 15 |
|---|
| .. | .. |
|---|
| 142 | 128 | |
|---|
| 143 | 129 | #define DEFAULT_RX_COALESCE 0 |
|---|
| 144 | 130 | #define DEFAULT_RXCOUNT 0 |
|---|
| 145 | | - |
|---|
| 146 | | -#define GFAR_SUPPORTED (SUPPORTED_10baseT_Half \ |
|---|
| 147 | | - | SUPPORTED_10baseT_Full \ |
|---|
| 148 | | - | SUPPORTED_100baseT_Half \ |
|---|
| 149 | | - | SUPPORTED_100baseT_Full \ |
|---|
| 150 | | - | SUPPORTED_Autoneg \ |
|---|
| 151 | | - | SUPPORTED_MII) |
|---|
| 152 | | - |
|---|
| 153 | | -#define GFAR_SUPPORTED_GBIT SUPPORTED_1000baseT_Full |
|---|
| 154 | 131 | |
|---|
| 155 | 132 | /* TBI register addresses */ |
|---|
| 156 | 133 | #define MII_TBICON 0x11 |
|---|
| .. | .. |
|---|
| 188 | 165 | #define ECNTRL_R100 0x00000008 |
|---|
| 189 | 166 | #define ECNTRL_REDUCED_MII_MODE 0x00000004 |
|---|
| 190 | 167 | #define ECNTRL_SGMII_MODE 0x00000002 |
|---|
| 191 | | - |
|---|
| 192 | | -#define MRBLR_INIT_SETTINGS DEFAULT_RX_BUFFER_SIZE |
|---|
| 193 | 168 | |
|---|
| 194 | 169 | #define MINFLR_INIT_SETTINGS 0x00000040 |
|---|
| 195 | 170 | |
|---|
| .. | .. |
|---|
| 269 | 244 | |
|---|
| 270 | 245 | #define DEFAULT_TXIC mk_ic_value(DEFAULT_TXCOUNT, DEFAULT_TXTIME) |
|---|
| 271 | 246 | #define DEFAULT_RXIC mk_ic_value(DEFAULT_RXCOUNT, DEFAULT_RXTIME) |
|---|
| 272 | | - |
|---|
| 273 | | -#define skip_bd(bdp, stride, base, ring_size) ({ \ |
|---|
| 274 | | - typeof(bdp) new_bd = (bdp) + (stride); \ |
|---|
| 275 | | - (new_bd >= (base) + (ring_size)) ? (new_bd - (ring_size)) : new_bd; }) |
|---|
| 276 | | - |
|---|
| 277 | | -#define next_bd(bdp, base, ring_size) skip_bd(bdp, 1, base, ring_size) |
|---|
| 278 | 247 | |
|---|
| 279 | 248 | #define RCTRL_TS_ENABLE 0x01000000 |
|---|
| 280 | 249 | #define RCTRL_PAL_MASK 0x001f0000 |
|---|
| .. | .. |
|---|
| 388 | 357 | |
|---|
| 389 | 358 | #define IMASK_RX_DISABLED ((~(IMASK_RX_DEFAULT)) & IMASK_DEFAULT) |
|---|
| 390 | 359 | #define IMASK_TX_DISABLED ((~(IMASK_TX_DEFAULT)) & IMASK_DEFAULT) |
|---|
| 391 | | - |
|---|
| 392 | | -/* Fifo management */ |
|---|
| 393 | | -#define FIFO_TX_THR_MASK 0x01ff |
|---|
| 394 | | -#define FIFO_TX_STARVE_MASK 0x01ff |
|---|
| 395 | | -#define FIFO_TX_STARVE_OFF_MASK 0x01ff |
|---|
| 396 | 360 | |
|---|
| 397 | 361 | /* Attribute fields */ |
|---|
| 398 | 362 | |
|---|
| .. | .. |
|---|
| 1330 | 1294 | return bdp_dma; |
|---|
| 1331 | 1295 | } |
|---|
| 1332 | 1296 | |
|---|
| 1333 | | -irqreturn_t gfar_receive(int irq, void *dev_id); |
|---|
| 1334 | 1297 | int startup_gfar(struct net_device *dev); |
|---|
| 1335 | 1298 | void stop_gfar(struct net_device *dev); |
|---|
| 1336 | | -void reset_gfar(struct net_device *dev); |
|---|
| 1337 | 1299 | void gfar_mac_reset(struct gfar_private *priv); |
|---|
| 1338 | | -void gfar_halt(struct gfar_private *priv); |
|---|
| 1339 | | -void gfar_start(struct gfar_private *priv); |
|---|
| 1340 | | -void gfar_phy_test(struct mii_bus *bus, struct phy_device *phydev, int enable, |
|---|
| 1341 | | - u32 regnum, u32 read); |
|---|
| 1342 | | -void gfar_configure_coalescing_all(struct gfar_private *priv); |
|---|
| 1343 | 1300 | int gfar_set_features(struct net_device *dev, netdev_features_t features); |
|---|
| 1344 | 1301 | |
|---|
| 1345 | 1302 | extern const struct ethtool_ops gfar_ethtool_ops; |
|---|
| .. | .. |
|---|
| 1351 | 1308 | #define RQFCR_PID_VID_MASK 0xFFFFF000 |
|---|
| 1352 | 1309 | #define RQFCR_PID_PORT_MASK 0xFFFF0000 |
|---|
| 1353 | 1310 | #define RQFCR_PID_MAC_MASK 0xFF000000 |
|---|
| 1354 | | - |
|---|
| 1355 | | -struct gfar_mask_entry { |
|---|
| 1356 | | - unsigned int mask; /* The mask value which is valid form start to end */ |
|---|
| 1357 | | - unsigned int start; |
|---|
| 1358 | | - unsigned int end; |
|---|
| 1359 | | - unsigned int block; /* Same block values indicate depended entries */ |
|---|
| 1360 | | -}; |
|---|
| 1361 | 1311 | |
|---|
| 1362 | 1312 | /* Represents a receive filer table entry */ |
|---|
| 1363 | 1313 | struct gfar_filer_entry { |
|---|