Loading...
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 | /* SPDX-License-Identifier: GPL-2.0 */ /* Copyright(c) 1999 - 2006 Intel Corporation. */ /* Linux PRO/1000 Ethernet Driver main header file */ #ifndef _E1000_H_ #define _E1000_H_ #include <linux/stddef.h> #include <linux/module.h> #include <linux/types.h> #include <asm/byteorder.h> #include <linux/mm.h> #include <linux/errno.h> #include <linux/ioport.h> #include <linux/pci.h> #include <linux/kernel.h> #include <linux/netdevice.h> #include <linux/etherdevice.h> #include <linux/skbuff.h> #include <linux/delay.h> #include <linux/timer.h> #include <linux/slab.h> #include <linux/vmalloc.h> #include <linux/interrupt.h> #include <linux/string.h> #include <linux/pagemap.h> #include <linux/dma-mapping.h> #include <linux/bitops.h> #include <asm/io.h> #include <asm/irq.h> #include <linux/capability.h> #include <linux/in.h> #include <linux/ip.h> #include <linux/ipv6.h> #include <linux/tcp.h> #include <linux/udp.h> #include <net/pkt_sched.h> #include <linux/list.h> #include <linux/reboot.h> #include <net/checksum.h> #include <linux/mii.h> #include <linux/ethtool.h> #include <linux/if_vlan.h> #define BAR_0 0 #define BAR_1 1 #define INTEL_E1000_ETHERNET_DEVICE(device_id) {\ PCI_DEVICE(PCI_VENDOR_ID_INTEL, device_id)} struct e1000_adapter; #include "e1000_hw.h" #define E1000_MAX_INTR 10 /* * Count for polling __E1000_RESET condition every 10-20msec. */ #define E1000_CHECK_RESET_COUNT 50 /* TX/RX descriptor defines */ #define E1000_DEFAULT_TXD 256 #define E1000_MAX_TXD 256 #define E1000_MIN_TXD 48 #define E1000_MAX_82544_TXD 4096 #define E1000_DEFAULT_RXD 256 #define E1000_MAX_RXD 256 #define E1000_MIN_RXD 48 #define E1000_MAX_82544_RXD 4096 #define E1000_MIN_ITR_USECS 10 /* 100000 irq/sec */ #define E1000_MAX_ITR_USECS 10000 /* 100 irq/sec */ /* this is the size past which hardware will drop packets when setting LPE=0 */ #define MAXIMUM_ETHERNET_VLAN_SIZE 1522 /* Supported Rx Buffer Sizes */ #define E1000_RXBUFFER_128 128 /* Used for packet split */ #define E1000_RXBUFFER_256 256 /* Used for packet split */ #define E1000_RXBUFFER_512 512 #define E1000_RXBUFFER_1024 1024 #define E1000_RXBUFFER_2048 2048 #define E1000_RXBUFFER_4096 4096 #define E1000_RXBUFFER_8192 8192 #define E1000_RXBUFFER_16384 16384 /* SmartSpeed delimiters */ #define E1000_SMARTSPEED_DOWNSHIFT 3 #define E1000_SMARTSPEED_MAX 15 /* Packet Buffer allocations */ #define E1000_PBA_BYTES_SHIFT 0xA #define E1000_TX_HEAD_ADDR_SHIFT 7 #define E1000_PBA_TX_MASK 0xFFFF0000 /* Flow Control Watermarks */ #define E1000_FC_HIGH_DIFF 0x1638 /* High: 5688 bytes below Rx FIFO size */ #define E1000_FC_LOW_DIFF 0x1640 /* Low: 5696 bytes below Rx FIFO size */ #define E1000_FC_PAUSE_TIME 0xFFFF /* pause for the max or until send xon */ /* How many Tx Descriptors do we need to call netif_wake_queue ? */ #define E1000_TX_QUEUE_WAKE 16 /* How many Rx Buffers do we bundle into one write to the hardware ? */ #define E1000_RX_BUFFER_WRITE 16 /* Must be power of 2 */ #define AUTO_ALL_MODES 0 #define E1000_EEPROM_82544_APM 0x0004 #define E1000_EEPROM_APME 0x0400 #ifndef E1000_MASTER_SLAVE /* Switch to override PHY master/slave setting */ #define E1000_MASTER_SLAVE e1000_ms_hw_default #endif #define E1000_MNG_VLAN_NONE (-1) /* wrapper around a pointer to a socket buffer, * so a DMA handle can be stored along with the buffer */ struct e1000_tx_buffer { struct sk_buff *skb; dma_addr_t dma; unsigned long time_stamp; u16 length; u16 next_to_watch; bool mapped_as_page; unsigned short segs; unsigned int bytecount; }; struct e1000_rx_buffer { union { struct page *page; /* jumbo: alloc_page */ u8 *data; /* else, netdev_alloc_frag */ } rxbuf; dma_addr_t dma; }; struct e1000_tx_ring { /* pointer to the descriptor ring memory */ void *desc; /* physical address of the descriptor ring */ dma_addr_t dma; /* length of descriptor ring in bytes */ unsigned int size; /* number of descriptors in the ring */ unsigned int count; /* next descriptor to associate a buffer with */ unsigned int next_to_use; /* next descriptor to check for DD status bit */ unsigned int next_to_clean; /* array of buffer information structs */ struct e1000_tx_buffer *buffer_info; u16 tdh; u16 tdt; bool last_tx_tso; }; struct e1000_rx_ring { /* pointer to the descriptor ring memory */ void *desc; /* physical address of the descriptor ring */ dma_addr_t dma; /* length of descriptor ring in bytes */ unsigned int size; /* number of descriptors in the ring */ unsigned int count; /* next descriptor to associate a buffer with */ unsigned int next_to_use; /* next descriptor to check for DD status bit */ unsigned int next_to_clean; /* array of buffer information structs */ struct e1000_rx_buffer *buffer_info; struct sk_buff *rx_skb_top; /* cpu for rx queue */ int cpu; u16 rdh; u16 rdt; }; #define E1000_DESC_UNUSED(R) \ ({ \ unsigned int clean = smp_load_acquire(&(R)->next_to_clean); \ unsigned int use = READ_ONCE((R)->next_to_use); \ (clean > use ? 0 : (R)->count) + clean - use - 1; \ }) #define E1000_RX_DESC_EXT(R, i) \ (&(((union e1000_rx_desc_extended *)((R).desc))[i])) #define E1000_GET_DESC(R, i, type) (&(((struct type *)((R).desc))[i])) #define E1000_RX_DESC(R, i) E1000_GET_DESC(R, i, e1000_rx_desc) #define E1000_TX_DESC(R, i) E1000_GET_DESC(R, i, e1000_tx_desc) #define E1000_CONTEXT_DESC(R, i) E1000_GET_DESC(R, i, e1000_context_desc) /* board specific private data structure */ struct e1000_adapter { unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)]; u16 mng_vlan_id; u32 bd_number; u32 rx_buffer_len; u32 wol; u32 smartspeed; u32 en_mng_pt; u16 link_speed; u16 link_duplex; spinlock_t stats_lock; unsigned int total_tx_bytes; unsigned int total_tx_packets; unsigned int total_rx_bytes; unsigned int total_rx_packets; /* Interrupt Throttle Rate */ u32 itr; u32 itr_setting; u16 tx_itr; u16 rx_itr; u8 fc_autoneg; /* TX */ struct e1000_tx_ring *tx_ring; /* One per active queue */ unsigned int restart_queue; u32 txd_cmd; u32 tx_int_delay; u32 tx_abs_int_delay; u32 gotcl; u64 gotcl_old; u64 tpt_old; u64 colc_old; u32 tx_timeout_count; u32 tx_fifo_head; u32 tx_head_addr; u32 tx_fifo_size; u8 tx_timeout_factor; atomic_t tx_fifo_stall; bool pcix_82544; bool detect_tx_hung; bool dump_buffers; /* RX */ bool (*clean_rx)(struct e1000_adapter *adapter, struct e1000_rx_ring *rx_ring, int *work_done, int work_to_do); void (*alloc_rx_buf)(struct e1000_adapter *adapter, struct e1000_rx_ring *rx_ring, int cleaned_count); struct e1000_rx_ring *rx_ring; /* One per active queue */ struct napi_struct napi; int num_tx_queues; int num_rx_queues; u64 hw_csum_err; u64 hw_csum_good; u32 alloc_rx_buff_failed; u32 rx_int_delay; u32 rx_abs_int_delay; bool rx_csum; u32 gorcl; u64 gorcl_old; /* OS defined structs */ struct net_device *netdev; struct pci_dev *pdev; /* structs defined in e1000_hw.h */ struct e1000_hw hw; struct e1000_hw_stats stats; struct e1000_phy_info phy_info; struct e1000_phy_stats phy_stats; u32 test_icr; struct e1000_tx_ring test_tx_ring; struct e1000_rx_ring test_rx_ring; int msg_enable; /* to not mess up cache alignment, always add to the bottom */ bool tso_force; bool smart_power_down; /* phy smart power down */ bool quad_port_a; unsigned long flags; u32 eeprom_wol; /* for ioport free */ int bars; int need_ioport; bool discarding; struct work_struct reset_task; struct delayed_work watchdog_task; struct delayed_work fifo_stall_task; struct delayed_work phy_info_task; }; enum e1000_state_t { __E1000_TESTING, __E1000_RESETTING, __E1000_DOWN, __E1000_DISABLED }; #undef pr_fmt #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt struct net_device *e1000_get_hw_dev(struct e1000_hw *hw); #define e_dbg(format, arg...) \ netdev_dbg(e1000_get_hw_dev(hw), format, ## arg) #define e_err(msglvl, format, arg...) \ netif_err(adapter, msglvl, adapter->netdev, format, ## arg) #define e_info(msglvl, format, arg...) \ netif_info(adapter, msglvl, adapter->netdev, format, ## arg) #define e_warn(msglvl, format, arg...) \ netif_warn(adapter, msglvl, adapter->netdev, format, ## arg) #define e_notice(msglvl, format, arg...) \ netif_notice(adapter, msglvl, adapter->netdev, format, ## arg) #define e_dev_info(format, arg...) \ dev_info(&adapter->pdev->dev, format, ## arg) #define e_dev_warn(format, arg...) \ dev_warn(&adapter->pdev->dev, format, ## arg) #define e_dev_err(format, arg...) \ dev_err(&adapter->pdev->dev, format, ## arg) extern char e1000_driver_name[]; int e1000_open(struct net_device *netdev); int e1000_close(struct net_device *netdev); int e1000_up(struct e1000_adapter *adapter); void e1000_down(struct e1000_adapter *adapter); void e1000_reinit_locked(struct e1000_adapter *adapter); void e1000_reset(struct e1000_adapter *adapter); int e1000_set_spd_dplx(struct e1000_adapter *adapter, u32 spd, u8 dplx); int e1000_setup_all_rx_resources(struct e1000_adapter *adapter); int e1000_setup_all_tx_resources(struct e1000_adapter *adapter); void e1000_free_all_rx_resources(struct e1000_adapter *adapter); void e1000_free_all_tx_resources(struct e1000_adapter *adapter); void e1000_update_stats(struct e1000_adapter *adapter); bool e1000_has_link(struct e1000_adapter *adapter); void e1000_power_up_phy(struct e1000_adapter *); void e1000_set_ethtool_ops(struct net_device *netdev); void e1000_check_options(struct e1000_adapter *adapter); char *e1000_get_hw_dev_name(struct e1000_hw *hw); #endif /* _E1000_H_ */ |