Auke Kok | 9d5c824 | 2008-01-24 02:22:38 -0800 | [diff] [blame] | 1 | /******************************************************************************* |
| 2 | |
| 3 | Intel(R) Gigabit Ethernet Linux driver |
Alexander Duyck | 86d5d38 | 2009-02-06 23:23:12 +0000 | [diff] [blame] | 4 | Copyright(c) 2007-2009 Intel Corporation. |
Auke Kok | 9d5c824 | 2008-01-24 02:22:38 -0800 | [diff] [blame] | 5 | |
| 6 | This program is free software; you can redistribute it and/or modify it |
| 7 | under the terms and conditions of the GNU General Public License, |
| 8 | version 2, as published by the Free Software Foundation. |
| 9 | |
| 10 | This program is distributed in the hope it will be useful, but WITHOUT |
| 11 | ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| 12 | FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for |
| 13 | more details. |
| 14 | |
| 15 | You should have received a copy of the GNU General Public License along with |
| 16 | this program; if not, write to the Free Software Foundation, Inc., |
| 17 | 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. |
| 18 | |
| 19 | The full GNU General Public License is included in this distribution in |
| 20 | the file called "COPYING". |
| 21 | |
| 22 | Contact Information: |
| 23 | e1000-devel Mailing List <e1000-devel@lists.sourceforge.net> |
| 24 | Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 |
| 25 | |
| 26 | *******************************************************************************/ |
| 27 | |
| 28 | |
| 29 | /* Linux PRO/1000 Ethernet Driver main header file */ |
| 30 | |
| 31 | #ifndef _IGB_H_ |
| 32 | #define _IGB_H_ |
| 33 | |
| 34 | #include "e1000_mac.h" |
| 35 | #include "e1000_82575.h" |
| 36 | |
Patrick Ohly | 38c845c | 2009-02-12 05:03:41 +0000 | [diff] [blame] | 37 | #include <linux/clocksource.h> |
Patrick Ohly | 33af6bc | 2009-02-12 05:03:43 +0000 | [diff] [blame] | 38 | #include <linux/timecompare.h> |
| 39 | #include <linux/net_tstamp.h> |
Patrick Ohly | 38c845c | 2009-02-12 05:03:41 +0000 | [diff] [blame] | 40 | |
Auke Kok | 9d5c824 | 2008-01-24 02:22:38 -0800 | [diff] [blame] | 41 | struct igb_adapter; |
| 42 | |
Alexander Duyck | 6eb5a7f | 2008-07-08 15:14:44 -0700 | [diff] [blame] | 43 | /* ((1000000000ns / (6000ints/s * 1024ns)) << 2 = 648 */ |
| 44 | #define IGB_START_ITR 648 |
Auke Kok | 9d5c824 | 2008-01-24 02:22:38 -0800 | [diff] [blame] | 45 | |
Auke Kok | 9d5c824 | 2008-01-24 02:22:38 -0800 | [diff] [blame] | 46 | /* TX/RX descriptor defines */ |
| 47 | #define IGB_DEFAULT_TXD 256 |
| 48 | #define IGB_MIN_TXD 80 |
| 49 | #define IGB_MAX_TXD 4096 |
| 50 | |
| 51 | #define IGB_DEFAULT_RXD 256 |
| 52 | #define IGB_MIN_RXD 80 |
| 53 | #define IGB_MAX_RXD 4096 |
| 54 | |
| 55 | #define IGB_DEFAULT_ITR 3 /* dynamic */ |
| 56 | #define IGB_MAX_ITR_USECS 10000 |
| 57 | #define IGB_MIN_ITR_USECS 10 |
Alexander Duyck | 047e003 | 2009-10-27 15:49:27 +0000 | [diff] [blame] | 58 | #define NON_Q_VECTORS 1 |
| 59 | #define MAX_Q_VECTORS 8 |
Auke Kok | 9d5c824 | 2008-01-24 02:22:38 -0800 | [diff] [blame] | 60 | |
| 61 | /* Transmit and receive queues */ |
Alexander Duyck | a99955f | 2009-11-12 18:37:19 +0000 | [diff] [blame] | 62 | #define IGB_MAX_RX_QUEUES (adapter->vfs_allocated_count ? 2 : \ |
| 63 | (hw->mac.type > e1000_82575 ? 8 : 4)) |
| 64 | #define IGB_ABS_MAX_TX_QUEUES 8 |
| 65 | #define IGB_MAX_TX_QUEUES IGB_MAX_RX_QUEUES |
Auke Kok | 9d5c824 | 2008-01-24 02:22:38 -0800 | [diff] [blame] | 66 | |
Alexander Duyck | 4ae196d | 2009-02-19 20:40:07 -0800 | [diff] [blame] | 67 | #define IGB_MAX_VF_MC_ENTRIES 30 |
| 68 | #define IGB_MAX_VF_FUNCTIONS 8 |
| 69 | #define IGB_MAX_VFTA_ENTRIES 128 |
| 70 | |
| 71 | struct vf_data_storage { |
| 72 | unsigned char vf_mac_addresses[ETH_ALEN]; |
| 73 | u16 vf_mc_hashes[IGB_MAX_VF_MC_ENTRIES]; |
| 74 | u16 num_vf_mc_hashes; |
Alexander Duyck | ae641bd | 2009-09-03 14:49:33 +0000 | [diff] [blame] | 75 | u16 vlans_enabled; |
Alexander Duyck | f2ca0db | 2009-10-27 23:46:57 +0000 | [diff] [blame] | 76 | u32 flags; |
| 77 | unsigned long last_nack; |
Williams, Mitch A | 8151d29 | 2010-02-10 01:44:24 +0000 | [diff] [blame] | 78 | u16 pf_vlan; /* When set, guest VLAN config not allowed. */ |
| 79 | u16 pf_qos; |
Lior Levy | 17dc566 | 2011-02-08 02:28:46 +0000 | [diff] [blame] | 80 | u16 tx_rate; |
Alexander Duyck | 4ae196d | 2009-02-19 20:40:07 -0800 | [diff] [blame] | 81 | }; |
| 82 | |
Alexander Duyck | f2ca0db | 2009-10-27 23:46:57 +0000 | [diff] [blame] | 83 | #define IGB_VF_FLAG_CTS 0x00000001 /* VF is clear to send data */ |
Alexander Duyck | 7d5753f | 2009-10-27 23:47:16 +0000 | [diff] [blame] | 84 | #define IGB_VF_FLAG_UNI_PROMISC 0x00000002 /* VF has unicast promisc */ |
| 85 | #define IGB_VF_FLAG_MULTI_PROMISC 0x00000004 /* VF has multicast promisc */ |
Williams, Mitch A | 8151d29 | 2010-02-10 01:44:24 +0000 | [diff] [blame] | 86 | #define IGB_VF_FLAG_PF_SET_MAC 0x00000008 /* PF has set MAC address */ |
Alexander Duyck | f2ca0db | 2009-10-27 23:46:57 +0000 | [diff] [blame] | 87 | |
Auke Kok | 9d5c824 | 2008-01-24 02:22:38 -0800 | [diff] [blame] | 88 | /* RX descriptor control thresholds. |
| 89 | * PTHRESH - MAC will consider prefetch if it has fewer than this number of |
| 90 | * descriptors available in its onboard memory. |
| 91 | * Setting this to 0 disables RX descriptor prefetch. |
| 92 | * HTHRESH - MAC will only prefetch if there are at least this many descriptors |
| 93 | * available in host memory. |
| 94 | * If PTHRESH is 0, this should also be 0. |
| 95 | * WTHRESH - RX descriptor writeback threshold - MAC will delay writing back |
| 96 | * descriptors until either it has this many to write back, or the |
| 97 | * ITR timer expires. |
| 98 | */ |
Nick Nunley | 58fd62f | 2010-02-17 01:05:56 +0000 | [diff] [blame] | 99 | #define IGB_RX_PTHRESH 8 |
Auke Kok | 9d5c824 | 2008-01-24 02:22:38 -0800 | [diff] [blame] | 100 | #define IGB_RX_HTHRESH 8 |
| 101 | #define IGB_RX_WTHRESH 1 |
Alexander Duyck | 85b430b | 2009-10-27 15:50:29 +0000 | [diff] [blame] | 102 | #define IGB_TX_PTHRESH 8 |
| 103 | #define IGB_TX_HTHRESH 1 |
| 104 | #define IGB_TX_WTHRESH ((hw->mac.type == e1000_82576 && \ |
Nick Nunley | 58fd62f | 2010-02-17 01:05:56 +0000 | [diff] [blame] | 105 | adapter->msix_entries) ? 1 : 16) |
Auke Kok | 9d5c824 | 2008-01-24 02:22:38 -0800 | [diff] [blame] | 106 | |
| 107 | /* this is the size past which hardware will drop packets when setting LPE=0 */ |
| 108 | #define MAXIMUM_ETHERNET_VLAN_SIZE 1522 |
| 109 | |
| 110 | /* Supported Rx Buffer Sizes */ |
Nick Nunley | 757b77e | 2010-03-26 11:36:47 +0000 | [diff] [blame] | 111 | #define IGB_RXBUFFER_64 64 /* Used for packet split */ |
Auke Kok | 9d5c824 | 2008-01-24 02:22:38 -0800 | [diff] [blame] | 112 | #define IGB_RXBUFFER_128 128 /* Used for packet split */ |
Auke Kok | 9d5c824 | 2008-01-24 02:22:38 -0800 | [diff] [blame] | 113 | #define IGB_RXBUFFER_1024 1024 |
| 114 | #define IGB_RXBUFFER_2048 2048 |
Auke Kok | 9d5c824 | 2008-01-24 02:22:38 -0800 | [diff] [blame] | 115 | #define IGB_RXBUFFER_16384 16384 |
| 116 | |
Alexander Duyck | e173952 | 2009-02-19 20:39:44 -0800 | [diff] [blame] | 117 | #define MAX_STD_JUMBO_FRAME_SIZE 9234 |
Auke Kok | 9d5c824 | 2008-01-24 02:22:38 -0800 | [diff] [blame] | 118 | |
| 119 | /* How many Tx Descriptors do we need to call netif_wake_queue ? */ |
| 120 | #define IGB_TX_QUEUE_WAKE 16 |
| 121 | /* How many Rx Buffers do we bundle into one write to the hardware ? */ |
| 122 | #define IGB_RX_BUFFER_WRITE 16 /* Must be power of 2 */ |
| 123 | |
| 124 | #define AUTO_ALL_MODES 0 |
| 125 | #define IGB_EEPROM_APME 0x0400 |
| 126 | |
| 127 | #ifndef IGB_MASTER_SLAVE |
| 128 | /* Switch to override PHY master/slave setting */ |
| 129 | #define IGB_MASTER_SLAVE e1000_ms_hw_default |
| 130 | #endif |
| 131 | |
| 132 | #define IGB_MNG_VLAN_NONE -1 |
| 133 | |
| 134 | /* wrapper around a pointer to a socket buffer, |
| 135 | * so a DMA handle can be stored along with the buffer */ |
| 136 | struct igb_buffer { |
| 137 | struct sk_buff *skb; |
| 138 | dma_addr_t dma; |
| 139 | union { |
| 140 | /* TX */ |
| 141 | struct { |
| 142 | unsigned long time_stamp; |
Alexander Duyck | 0e014cb | 2008-12-26 01:33:18 -0800 | [diff] [blame] | 143 | u16 length; |
| 144 | u16 next_to_watch; |
Nick Nunley | 2873957 | 2010-05-04 21:58:07 +0000 | [diff] [blame] | 145 | unsigned int bytecount; |
Nick Nunley | 40e90c2 | 2010-02-17 01:04:37 +0000 | [diff] [blame] | 146 | u16 gso_segs; |
Oliver Hartkopp | 2244d07 | 2010-08-17 08:59:14 +0000 | [diff] [blame] | 147 | u8 tx_flags; |
Nick Nunley | 2873957 | 2010-05-04 21:58:07 +0000 | [diff] [blame] | 148 | u8 mapped_as_page; |
Auke Kok | 9d5c824 | 2008-01-24 02:22:38 -0800 | [diff] [blame] | 149 | }; |
| 150 | /* RX */ |
| 151 | struct { |
| 152 | struct page *page; |
Alexander Duyck | 6366ad3 | 2009-12-02 16:47:18 +0000 | [diff] [blame] | 153 | dma_addr_t page_dma; |
| 154 | u16 page_offset; |
Auke Kok | 9d5c824 | 2008-01-24 02:22:38 -0800 | [diff] [blame] | 155 | }; |
| 156 | }; |
| 157 | }; |
| 158 | |
Jesper Dangaard Brouer | 8c0ab70 | 2009-05-26 13:50:31 +0000 | [diff] [blame] | 159 | struct igb_tx_queue_stats { |
Auke Kok | 9d5c824 | 2008-01-24 02:22:38 -0800 | [diff] [blame] | 160 | u64 packets; |
| 161 | u64 bytes; |
Alexander Duyck | 04a5fcaa | 2009-10-27 15:52:27 +0000 | [diff] [blame] | 162 | u64 restart_queue; |
Eric Dumazet | 12dcd86 | 2010-10-15 17:27:10 +0000 | [diff] [blame] | 163 | u64 restart_queue2; |
Auke Kok | 9d5c824 | 2008-01-24 02:22:38 -0800 | [diff] [blame] | 164 | }; |
| 165 | |
Jesper Dangaard Brouer | 8c0ab70 | 2009-05-26 13:50:31 +0000 | [diff] [blame] | 166 | struct igb_rx_queue_stats { |
| 167 | u64 packets; |
| 168 | u64 bytes; |
| 169 | u64 drops; |
Alexander Duyck | 04a5fcaa | 2009-10-27 15:52:27 +0000 | [diff] [blame] | 170 | u64 csum_err; |
| 171 | u64 alloc_failed; |
Jesper Dangaard Brouer | 8c0ab70 | 2009-05-26 13:50:31 +0000 | [diff] [blame] | 172 | }; |
| 173 | |
Alexander Duyck | 047e003 | 2009-10-27 15:49:27 +0000 | [diff] [blame] | 174 | struct igb_q_vector { |
Auke Kok | 9d5c824 | 2008-01-24 02:22:38 -0800 | [diff] [blame] | 175 | struct igb_adapter *adapter; /* backlink */ |
Alexander Duyck | 047e003 | 2009-10-27 15:49:27 +0000 | [diff] [blame] | 176 | struct igb_ring *rx_ring; |
| 177 | struct igb_ring *tx_ring; |
| 178 | struct napi_struct napi; |
| 179 | |
| 180 | u32 eims_value; |
| 181 | u16 cpu; |
| 182 | |
| 183 | u16 itr_val; |
| 184 | u8 set_itr; |
Alexander Duyck | 047e003 | 2009-10-27 15:49:27 +0000 | [diff] [blame] | 185 | void __iomem *itr_register; |
| 186 | |
| 187 | char name[IFNAMSIZ + 9]; |
| 188 | }; |
| 189 | |
| 190 | struct igb_ring { |
| 191 | struct igb_q_vector *q_vector; /* backlink to q_vector */ |
Alexander Duyck | e694e96 | 2009-10-27 15:53:06 +0000 | [diff] [blame] | 192 | struct net_device *netdev; /* back pointer to net_device */ |
Alexander Duyck | 59d7198 | 2010-04-27 13:09:25 +0000 | [diff] [blame] | 193 | struct device *dev; /* device pointer for dma mapping */ |
Alexander Duyck | 047e003 | 2009-10-27 15:49:27 +0000 | [diff] [blame] | 194 | dma_addr_t dma; /* phys address of the ring */ |
Alexander Duyck | e694e96 | 2009-10-27 15:53:06 +0000 | [diff] [blame] | 195 | void *desc; /* descriptor ring memory */ |
Alexander Duyck | 047e003 | 2009-10-27 15:49:27 +0000 | [diff] [blame] | 196 | unsigned int size; /* length of desc. ring in bytes */ |
Alexander Duyck | 2e5655e | 2009-10-27 23:50:38 +0000 | [diff] [blame] | 197 | u16 count; /* number of desc. in the ring */ |
Auke Kok | 9d5c824 | 2008-01-24 02:22:38 -0800 | [diff] [blame] | 198 | u16 next_to_use; |
| 199 | u16 next_to_clean; |
Alexander Duyck | 2e5655e | 2009-10-27 23:50:38 +0000 | [diff] [blame] | 200 | u8 queue_index; |
| 201 | u8 reg_idx; |
Alexander Duyck | fce99e3 | 2009-10-27 15:51:27 +0000 | [diff] [blame] | 202 | void __iomem *head; |
| 203 | void __iomem *tail; |
Auke Kok | 9d5c824 | 2008-01-24 02:22:38 -0800 | [diff] [blame] | 204 | struct igb_buffer *buffer_info; /* array of buffer info structs */ |
| 205 | |
Auke Kok | 9d5c824 | 2008-01-24 02:22:38 -0800 | [diff] [blame] | 206 | unsigned int total_bytes; |
| 207 | unsigned int total_packets; |
| 208 | |
Alexander Duyck | 85ad76b | 2009-10-27 15:52:46 +0000 | [diff] [blame] | 209 | u32 flags; |
| 210 | |
Auke Kok | 9d5c824 | 2008-01-24 02:22:38 -0800 | [diff] [blame] | 211 | union { |
| 212 | /* TX */ |
| 213 | struct { |
Jesper Dangaard Brouer | 8c0ab70 | 2009-05-26 13:50:31 +0000 | [diff] [blame] | 214 | struct igb_tx_queue_stats tx_stats; |
Eric Dumazet | 12dcd86 | 2010-10-15 17:27:10 +0000 | [diff] [blame] | 215 | struct u64_stats_sync tx_syncp; |
| 216 | struct u64_stats_sync tx_syncp2; |
Auke Kok | 9d5c824 | 2008-01-24 02:22:38 -0800 | [diff] [blame] | 217 | bool detect_tx_hung; |
| 218 | }; |
| 219 | /* RX */ |
| 220 | struct { |
Jesper Dangaard Brouer | 8c0ab70 | 2009-05-26 13:50:31 +0000 | [diff] [blame] | 221 | struct igb_rx_queue_stats rx_stats; |
Eric Dumazet | 12dcd86 | 2010-10-15 17:27:10 +0000 | [diff] [blame] | 222 | struct u64_stats_sync rx_syncp; |
Alexander Duyck | 4c84485 | 2009-10-27 15:52:07 +0000 | [diff] [blame] | 223 | u32 rx_buffer_len; |
Auke Kok | 9d5c824 | 2008-01-24 02:22:38 -0800 | [diff] [blame] | 224 | }; |
| 225 | }; |
Auke Kok | 9d5c824 | 2008-01-24 02:22:38 -0800 | [diff] [blame] | 226 | }; |
| 227 | |
Alexander Duyck | 85ad76b | 2009-10-27 15:52:46 +0000 | [diff] [blame] | 228 | #define IGB_RING_FLAG_RX_CSUM 0x00000001 /* RX CSUM enabled */ |
| 229 | #define IGB_RING_FLAG_RX_SCTP_CSUM 0x00000002 /* SCTP CSUM offload enabled */ |
| 230 | |
| 231 | #define IGB_RING_FLAG_TX_CTX_IDX 0x00000001 /* HW requires context index */ |
| 232 | |
| 233 | #define IGB_ADVTXD_DCMD (E1000_TXD_CMD_EOP | E1000_TXD_CMD_RS) |
| 234 | |
Auke Kok | 9d5c824 | 2008-01-24 02:22:38 -0800 | [diff] [blame] | 235 | #define E1000_RX_DESC_ADV(R, i) \ |
| 236 | (&(((union e1000_adv_rx_desc *)((R).desc))[i])) |
| 237 | #define E1000_TX_DESC_ADV(R, i) \ |
| 238 | (&(((union e1000_adv_tx_desc *)((R).desc))[i])) |
| 239 | #define E1000_TX_CTXTDESC_ADV(R, i) \ |
| 240 | (&(((struct e1000_adv_tx_context_desc *)((R).desc))[i])) |
Auke Kok | 9d5c824 | 2008-01-24 02:22:38 -0800 | [diff] [blame] | 241 | |
Alexander Duyck | d7ee5b3 | 2009-10-27 15:54:23 +0000 | [diff] [blame] | 242 | /* igb_desc_unused - calculate if we have unused descriptors */ |
| 243 | static inline int igb_desc_unused(struct igb_ring *ring) |
| 244 | { |
| 245 | if (ring->next_to_clean > ring->next_to_use) |
| 246 | return ring->next_to_clean - ring->next_to_use - 1; |
| 247 | |
| 248 | return ring->count + ring->next_to_clean - ring->next_to_use - 1; |
| 249 | } |
| 250 | |
Auke Kok | 9d5c824 | 2008-01-24 02:22:38 -0800 | [diff] [blame] | 251 | /* board specific private data structure */ |
Auke Kok | 9d5c824 | 2008-01-24 02:22:38 -0800 | [diff] [blame] | 252 | struct igb_adapter { |
| 253 | struct timer_list watchdog_timer; |
| 254 | struct timer_list phy_info_timer; |
| 255 | struct vlan_group *vlgrp; |
| 256 | u16 mng_vlan_id; |
| 257 | u32 bd_number; |
Auke Kok | 9d5c824 | 2008-01-24 02:22:38 -0800 | [diff] [blame] | 258 | u32 wol; |
| 259 | u32 en_mng_pt; |
| 260 | u16 link_speed; |
| 261 | u16 link_duplex; |
Alexander Duyck | 2e5655e | 2009-10-27 23:50:38 +0000 | [diff] [blame] | 262 | |
Auke Kok | 9d5c824 | 2008-01-24 02:22:38 -0800 | [diff] [blame] | 263 | /* Interrupt Throttle Rate */ |
Alexander Duyck | 4fc82ad | 2009-10-27 23:45:42 +0000 | [diff] [blame] | 264 | u32 rx_itr_setting; |
| 265 | u32 tx_itr_setting; |
Auke Kok | 9d5c824 | 2008-01-24 02:22:38 -0800 | [diff] [blame] | 266 | u16 tx_itr; |
| 267 | u16 rx_itr; |
Auke Kok | 9d5c824 | 2008-01-24 02:22:38 -0800 | [diff] [blame] | 268 | |
| 269 | struct work_struct reset_task; |
| 270 | struct work_struct watchdog_task; |
| 271 | bool fc_autoneg; |
| 272 | u8 tx_timeout_factor; |
| 273 | struct timer_list blink_timer; |
| 274 | unsigned long led_status; |
| 275 | |
| 276 | /* TX */ |
Alexander Duyck | 3025a44 | 2010-02-17 01:02:39 +0000 | [diff] [blame] | 277 | struct igb_ring *tx_ring[16]; |
Auke Kok | 9d5c824 | 2008-01-24 02:22:38 -0800 | [diff] [blame] | 278 | u32 tx_timeout_count; |
| 279 | |
| 280 | /* RX */ |
Alexander Duyck | 3025a44 | 2010-02-17 01:02:39 +0000 | [diff] [blame] | 281 | struct igb_ring *rx_ring[16]; |
Auke Kok | 9d5c824 | 2008-01-24 02:22:38 -0800 | [diff] [blame] | 282 | int num_tx_queues; |
| 283 | int num_rx_queues; |
| 284 | |
Auke Kok | 9d5c824 | 2008-01-24 02:22:38 -0800 | [diff] [blame] | 285 | u32 max_frame_size; |
| 286 | u32 min_frame_size; |
| 287 | |
| 288 | /* OS defined structs */ |
| 289 | struct net_device *netdev; |
Auke Kok | 9d5c824 | 2008-01-24 02:22:38 -0800 | [diff] [blame] | 290 | struct pci_dev *pdev; |
Patrick Ohly | 38c845c | 2009-02-12 05:03:41 +0000 | [diff] [blame] | 291 | struct cyclecounter cycles; |
| 292 | struct timecounter clock; |
Patrick Ohly | 33af6bc | 2009-02-12 05:03:43 +0000 | [diff] [blame] | 293 | struct timecompare compare; |
| 294 | struct hwtstamp_config hwtstamp_config; |
Auke Kok | 9d5c824 | 2008-01-24 02:22:38 -0800 | [diff] [blame] | 295 | |
Eric Dumazet | 12dcd86 | 2010-10-15 17:27:10 +0000 | [diff] [blame] | 296 | spinlock_t stats64_lock; |
| 297 | struct rtnl_link_stats64 stats64; |
| 298 | |
Auke Kok | 9d5c824 | 2008-01-24 02:22:38 -0800 | [diff] [blame] | 299 | /* structs defined in e1000_hw.h */ |
| 300 | struct e1000_hw hw; |
| 301 | struct e1000_hw_stats stats; |
| 302 | struct e1000_phy_info phy_info; |
| 303 | struct e1000_phy_stats phy_stats; |
| 304 | |
| 305 | u32 test_icr; |
| 306 | struct igb_ring test_tx_ring; |
| 307 | struct igb_ring test_rx_ring; |
| 308 | |
| 309 | int msg_enable; |
Alexander Duyck | 047e003 | 2009-10-27 15:49:27 +0000 | [diff] [blame] | 310 | |
| 311 | unsigned int num_q_vectors; |
| 312 | struct igb_q_vector *q_vector[MAX_Q_VECTORS]; |
Auke Kok | 9d5c824 | 2008-01-24 02:22:38 -0800 | [diff] [blame] | 313 | struct msix_entry *msix_entries; |
| 314 | u32 eims_enable_mask; |
PJ Waskiewicz | 844290e | 2008-06-27 11:00:39 -0700 | [diff] [blame] | 315 | u32 eims_other; |
Auke Kok | 9d5c824 | 2008-01-24 02:22:38 -0800 | [diff] [blame] | 316 | |
| 317 | /* to not mess up cache alignment, always add to the bottom */ |
| 318 | unsigned long state; |
Alexander Duyck | 7dfc16f | 2008-07-08 15:10:46 -0700 | [diff] [blame] | 319 | unsigned int flags; |
Auke Kok | 9d5c824 | 2008-01-24 02:22:38 -0800 | [diff] [blame] | 320 | u32 eeprom_wol; |
Taku Izumi | 42bfd33a | 2008-06-20 12:10:30 +0900 | [diff] [blame] | 321 | |
Alexander Duyck | 1bfaf07 | 2009-02-19 20:39:23 -0800 | [diff] [blame] | 322 | struct igb_ring *multi_tx_table[IGB_ABS_MAX_TX_QUEUES]; |
Alexander Duyck | 2e5655e | 2009-10-27 23:50:38 +0000 | [diff] [blame] | 323 | u16 tx_ring_count; |
| 324 | u16 rx_ring_count; |
Alexander Duyck | 1bfaf07 | 2009-02-19 20:39:23 -0800 | [diff] [blame] | 325 | unsigned int vfs_allocated_count; |
Alexander Duyck | 4ae196d | 2009-02-19 20:40:07 -0800 | [diff] [blame] | 326 | struct vf_data_storage *vf_data; |
Lior Levy | 17dc566 | 2011-02-08 02:28:46 +0000 | [diff] [blame] | 327 | int vf_rate_link_speed; |
Alexander Duyck | a99955f | 2009-11-12 18:37:19 +0000 | [diff] [blame] | 328 | u32 rss_queues; |
Greg Rose | 1380046 | 2010-11-06 02:08:26 +0000 | [diff] [blame] | 329 | u32 wvbr; |
Auke Kok | 9d5c824 | 2008-01-24 02:22:38 -0800 | [diff] [blame] | 330 | }; |
| 331 | |
Alexander Duyck | 7dfc16f | 2008-07-08 15:10:46 -0700 | [diff] [blame] | 332 | #define IGB_FLAG_HAS_MSI (1 << 0) |
Alexander Duyck | cbd347a | 2009-02-15 23:59:44 -0800 | [diff] [blame] | 333 | #define IGB_FLAG_DCA_ENABLED (1 << 1) |
| 334 | #define IGB_FLAG_QUAD_PORT_A (1 << 2) |
Alexander Duyck | 4fc82ad | 2009-10-27 23:45:42 +0000 | [diff] [blame] | 335 | #define IGB_FLAG_QUEUE_PAIRS (1 << 3) |
Carolyn Wyborny | 831ec0b | 2011-03-11 20:43:54 -0800 | [diff] [blame] | 336 | #define IGB_FLAG_DMAC (1 << 4) |
| 337 | |
| 338 | /* DMA Coalescing defines */ |
| 339 | #define IGB_MIN_TXPBSIZE 20408 |
| 340 | #define IGB_TX_BUF_4096 4096 |
| 341 | #define IGB_DMCTLX_DCFLUSH_DIS 0x80000000 /* Disable DMA Coal Flush */ |
Alexander Duyck | 7dfc16f | 2008-07-08 15:10:46 -0700 | [diff] [blame] | 342 | |
Alexander Duyck | c5b9bd5 | 2009-10-27 23:46:01 +0000 | [diff] [blame] | 343 | #define IGB_82576_TSYNC_SHIFT 19 |
Alexander Duyck | 55cac24 | 2009-11-19 12:42:21 +0000 | [diff] [blame] | 344 | #define IGB_82580_TSYNC_SHIFT 24 |
Nick Nunley | 757b77e | 2010-03-26 11:36:47 +0000 | [diff] [blame] | 345 | #define IGB_TS_HDR_LEN 16 |
Auke Kok | 9d5c824 | 2008-01-24 02:22:38 -0800 | [diff] [blame] | 346 | enum e1000_state_t { |
| 347 | __IGB_TESTING, |
| 348 | __IGB_RESETTING, |
| 349 | __IGB_DOWN |
| 350 | }; |
| 351 | |
| 352 | enum igb_boards { |
| 353 | board_82575, |
| 354 | }; |
| 355 | |
| 356 | extern char igb_driver_name[]; |
| 357 | extern char igb_driver_version[]; |
| 358 | |
Auke Kok | 9d5c824 | 2008-01-24 02:22:38 -0800 | [diff] [blame] | 359 | extern int igb_up(struct igb_adapter *); |
| 360 | extern void igb_down(struct igb_adapter *); |
| 361 | extern void igb_reinit_locked(struct igb_adapter *); |
| 362 | extern void igb_reset(struct igb_adapter *); |
David Decotigny | 14ad251 | 2011-04-27 18:32:43 +0000 | [diff] [blame] | 363 | extern int igb_set_spd_dplx(struct igb_adapter *, u32, u8); |
Alexander Duyck | 8078529 | 2009-10-27 15:51:47 +0000 | [diff] [blame] | 364 | extern int igb_setup_tx_resources(struct igb_ring *); |
| 365 | extern int igb_setup_rx_resources(struct igb_ring *); |
Alexander Duyck | 68fd991 | 2008-11-20 00:48:10 -0800 | [diff] [blame] | 366 | extern void igb_free_tx_resources(struct igb_ring *); |
| 367 | extern void igb_free_rx_resources(struct igb_ring *); |
Alexander Duyck | d7ee5b3 | 2009-10-27 15:54:23 +0000 | [diff] [blame] | 368 | extern void igb_configure_tx_ring(struct igb_adapter *, struct igb_ring *); |
| 369 | extern void igb_configure_rx_ring(struct igb_adapter *, struct igb_ring *); |
| 370 | extern void igb_setup_tctl(struct igb_adapter *); |
| 371 | extern void igb_setup_rctl(struct igb_adapter *); |
Alexander Duyck | b1a436c | 2009-10-27 15:54:43 +0000 | [diff] [blame] | 372 | extern netdev_tx_t igb_xmit_frame_ring_adv(struct sk_buff *, struct igb_ring *); |
| 373 | extern void igb_unmap_and_free_tx_resource(struct igb_ring *, |
| 374 | struct igb_buffer *); |
Alexander Duyck | d7ee5b3 | 2009-10-27 15:54:23 +0000 | [diff] [blame] | 375 | extern void igb_alloc_rx_buffers_adv(struct igb_ring *, int); |
Eric Dumazet | 12dcd86 | 2010-10-15 17:27:10 +0000 | [diff] [blame] | 376 | extern void igb_update_stats(struct igb_adapter *, struct rtnl_link_stats64 *); |
Nick Nunley | 3145535 | 2010-02-17 01:01:21 +0000 | [diff] [blame] | 377 | extern bool igb_has_link(struct igb_adapter *adapter); |
Auke Kok | 9d5c824 | 2008-01-24 02:22:38 -0800 | [diff] [blame] | 378 | extern void igb_set_ethtool_ops(struct net_device *); |
Nick Nunley | 88a268c | 2010-02-17 01:01:59 +0000 | [diff] [blame] | 379 | extern void igb_power_up_link(struct igb_adapter *); |
Auke Kok | 9d5c824 | 2008-01-24 02:22:38 -0800 | [diff] [blame] | 380 | |
Alexander Duyck | f5f4cf0 | 2008-11-21 21:30:24 -0800 | [diff] [blame] | 381 | static inline s32 igb_reset_phy(struct e1000_hw *hw) |
| 382 | { |
Alexander Duyck | a8d2a0c | 2009-02-06 23:17:26 +0000 | [diff] [blame] | 383 | if (hw->phy.ops.reset) |
| 384 | return hw->phy.ops.reset(hw); |
Alexander Duyck | f5f4cf0 | 2008-11-21 21:30:24 -0800 | [diff] [blame] | 385 | |
| 386 | return 0; |
| 387 | } |
| 388 | |
| 389 | static inline s32 igb_read_phy_reg(struct e1000_hw *hw, u32 offset, u16 *data) |
| 390 | { |
Alexander Duyck | a8d2a0c | 2009-02-06 23:17:26 +0000 | [diff] [blame] | 391 | if (hw->phy.ops.read_reg) |
| 392 | return hw->phy.ops.read_reg(hw, offset, data); |
Alexander Duyck | f5f4cf0 | 2008-11-21 21:30:24 -0800 | [diff] [blame] | 393 | |
| 394 | return 0; |
| 395 | } |
| 396 | |
| 397 | static inline s32 igb_write_phy_reg(struct e1000_hw *hw, u32 offset, u16 data) |
| 398 | { |
Alexander Duyck | a8d2a0c | 2009-02-06 23:17:26 +0000 | [diff] [blame] | 399 | if (hw->phy.ops.write_reg) |
| 400 | return hw->phy.ops.write_reg(hw, offset, data); |
Alexander Duyck | f5f4cf0 | 2008-11-21 21:30:24 -0800 | [diff] [blame] | 401 | |
| 402 | return 0; |
| 403 | } |
| 404 | |
| 405 | static inline s32 igb_get_phy_info(struct e1000_hw *hw) |
| 406 | { |
| 407 | if (hw->phy.ops.get_phy_info) |
| 408 | return hw->phy.ops.get_phy_info(hw); |
| 409 | |
| 410 | return 0; |
| 411 | } |
| 412 | |
Auke Kok | 9d5c824 | 2008-01-24 02:22:38 -0800 | [diff] [blame] | 413 | #endif /* _IGB_H_ */ |