1 /************************************************************************
2 * s2io.h: A Linux PCI-X Ethernet driver for S2IO 10GbE Server NIC
3 * Copyright(c) 2002-2005 Neterion Inc.
5 * This software may be used and distributed according to the terms of
6 * the GNU General Public License (GPL), incorporated herein by reference.
7 * Drivers based on or derived from this code fall under the GPL and must
8 * retain the authorship, copyright and license notice. This file is not
9 * a complete program and may only be used when the entire operating
10 * system is licensed under the GPL.
11 * See the file COPYING in this distribution for more information.
12 ************************************************************************/
16 /* Enable 2 buffer mode by default for SGI system */
17 #ifdef CONFIG_IA64_SGI_SN2
18 #define CONFIG_2BUFF_MODE
22 #define BIT(loc) (0x8000000000000000ULL >> (loc))
23 #define vBIT(val, loc, sz) (((u64)val) << (64-loc-sz))
24 #define INV(d) ((d&0xff)<<24) | (((d>>8)&0xff)<<16) | (((d>>16)&0xff)<<8)| ((d>>24)&0xff)
39 /* Maximum time to flicker LED when asked to identify NIC using ethtool */
40 #define MAX_FLICKER_TIME 60000 /* 60 Secs */
42 /* Maximum outstanding splits to be configured into xena. */
43 typedef enum xena_max_outstanding_splits {
44 XENA_ONE_SPLIT_TRANSACTION = 0,
45 XENA_TWO_SPLIT_TRANSACTION = 1,
46 XENA_THREE_SPLIT_TRANSACTION = 2,
47 XENA_FOUR_SPLIT_TRANSACTION = 3,
48 XENA_EIGHT_SPLIT_TRANSACTION = 4,
49 XENA_TWELVE_SPLIT_TRANSACTION = 5,
50 XENA_SIXTEEN_SPLIT_TRANSACTION = 6,
51 XENA_THIRTYTWO_SPLIT_TRANSACTION = 7
52 } xena_max_outstanding_splits;
53 #define XENA_MAX_OUTSTANDING_SPLITS(n) (n << 4)
55 /* OS concerned variables and constants */
56 #define WATCH_DOG_TIMEOUT 15*HZ
58 #define ALIGN_SIZE 127
59 #define PCIX_COMMAND_REGISTER 0x62
62 * Debug related variables.
64 /* different debug levels. */
71 /* Global variable that defines the present debug level of the driver. */
72 int debug_level = ERR_DBG; /* Default level. */
74 /* DEBUG message print. */
75 #define DBG_PRINT(dbg_level, args...) if(!(debug_level<dbg_level)) printk(args)
77 /* Protocol assist features of the NIC */
78 #define L3_CKSUM_OK 0xFFFF
79 #define L4_CKSUM_OK 0xFFFF
80 #define S2IO_JUMBO_SIZE 9600
82 /* Driver statistics maintained by driver */
84 unsigned long long single_ecc_errs;
85 unsigned long long double_ecc_errs;
88 /* The statistics block of Xena */
89 typedef struct stat_block {
90 /* Tx MAC statistics counters. */
96 u64 tmac_pause_ctrl_frms;
99 u32 tmac_any_err_frms;
101 u64 tmac_ttl_less_fb_octets;
102 u64 tmac_vld_ip_octets;
111 /* Rx MAC Statistics counters. */
112 u32 rmac_data_octets;
114 u64 rmac_fcs_err_frms;
116 u32 rmac_vld_bcst_frms;
117 u32 rmac_vld_mcst_frms;
118 u32 rmac_out_rng_len_err_frms;
119 u32 rmac_in_rng_len_err_frms;
121 u64 rmac_pause_ctrl_frms;
122 u64 rmac_unsup_ctrl_frms;
123 u32 rmac_accepted_ucst_frms;
125 u32 rmac_discarded_frms;
126 u32 rmac_accepted_nucst_frms;
128 u32 rmac_drop_events;
129 u64 rmac_ttl_less_fb_octets;
132 u32 rmac_usized_frms;
135 u32 rmac_osized_frms;
137 u32 rmac_jabber_frms;
138 u64 rmac_ttl_64_frms;
139 u64 rmac_ttl_65_127_frms;
141 u64 rmac_ttl_128_255_frms;
142 u64 rmac_ttl_256_511_frms;
144 u64 rmac_ttl_512_1023_frms;
145 u64 rmac_ttl_1024_1518_frms;
154 u32 rmac_err_drp_udp;
156 u64 rmac_xgmii_err_sym;
175 u64 rmac_xgmii_data_err_cnt;
176 u64 rmac_xgmii_ctrl_err_cnt;
178 u32 rmac_accepted_ip;
180 /* PCI/PCI-X Read transaction statistics. */
184 u32 new_rd_req_rtry_cnt;
186 /* PCI/PCI-X Write/Read transaction statistics. */
188 u32 wr_rtry_rd_ack_cnt;
189 u32 new_wr_req_rtry_cnt;
194 /* PCI/PCI-X Write / DMA Transaction statistics. */
196 u32 rd_rtry_wr_ack_cnt;
204 /* Tx MAC statistics overflow counters. */
205 u32 tmac_data_octets_oflow;
207 u32 tmac_bcst_frms_oflow;
208 u32 tmac_mcst_frms_oflow;
209 u32 tmac_ucst_frms_oflow;
210 u32 tmac_ttl_octets_oflow;
211 u32 tmac_any_err_frms_oflow;
212 u32 tmac_nucst_frms_oflow;
214 u32 tmac_drop_ip_oflow;
215 u32 tmac_vld_ip_oflow;
216 u32 tmac_rst_tcp_oflow;
218 u32 tpa_unknown_protocol;
221 u32 tpa_parse_failure;
223 /* Rx MAC Statistics overflow counters. */
224 u32 rmac_data_octets_oflow;
225 u32 rmac_vld_frms_oflow;
226 u32 rmac_vld_bcst_frms_oflow;
227 u32 rmac_vld_mcst_frms_oflow;
228 u32 rmac_accepted_ucst_frms_oflow;
229 u32 rmac_ttl_octets_oflow;
230 u32 rmac_discarded_frms_oflow;
231 u32 rmac_accepted_nucst_frms_oflow;
232 u32 rmac_usized_frms_oflow;
233 u32 rmac_drop_events_oflow;
234 u32 rmac_frag_frms_oflow;
235 u32 rmac_osized_frms_oflow;
237 u32 rmac_jabber_frms_oflow;
239 u32 rmac_drop_ip_oflow;
240 u32 rmac_err_drp_udp_oflow;
243 u32 rmac_pause_cnt_oflow;
244 u64 rmac_ttl_1519_4095_frms;
245 u64 rmac_ttl_4096_8191_frms;
246 u64 rmac_ttl_8192_max_frms;
247 u64 rmac_ttl_gt_max_frms;
248 u64 rmac_osized_alt_frms;
249 u64 rmac_jabber_alt_frms;
250 u64 rmac_gt_max_alt_frms;
252 u32 rmac_len_discard;
253 u32 rmac_fcs_discard;
256 u32 rmac_red_discard;
257 u32 rmac_rts_discard;
259 u32 rmac_ingm_full_discard;
261 u32 rmac_accepted_ip_oflow;
265 /* Software statistics maintained by driver */
270 * Structures representing different init time configuration
271 * parameters of the NIC.
274 #define MAX_TX_FIFOS 8
275 #define MAX_RX_RINGS 8
277 /* FIFO mappings for all possible number of fifos configured */
278 int fifo_map[][MAX_TX_FIFOS] = {
279 {0, 0, 0, 0, 0, 0, 0, 0},
280 {0, 0, 0, 0, 1, 1, 1, 1},
281 {0, 0, 0, 1, 1, 1, 2, 2},
282 {0, 0, 1, 1, 2, 2, 3, 3},
283 {0, 0, 1, 1, 2, 2, 3, 4},
284 {0, 0, 1, 1, 2, 3, 4, 5},
285 {0, 0, 1, 2, 3, 4, 5, 6},
286 {0, 1, 2, 3, 4, 5, 6, 7},
289 /* Maintains Per FIFO related information. */
290 typedef struct tx_fifo_config {
291 #define MAX_AVAILABLE_TXDS 8192
292 u32 fifo_len; /* specifies len of FIFO upto 8192, ie no of TxDLs */
293 /* Priority definition */
294 #define TX_FIFO_PRI_0 0 /*Highest */
295 #define TX_FIFO_PRI_1 1
296 #define TX_FIFO_PRI_2 2
297 #define TX_FIFO_PRI_3 3
298 #define TX_FIFO_PRI_4 4
299 #define TX_FIFO_PRI_5 5
300 #define TX_FIFO_PRI_6 6
301 #define TX_FIFO_PRI_7 7 /*lowest */
302 u8 fifo_priority; /* specifies pointer level for FIFO */
303 /* user should not set twos fifos with same pri */
305 #define NO_SNOOP_TXD 0x01
306 #define NO_SNOOP_TXD_BUFFER 0x02
310 /* Maintains per Ring related information */
311 typedef struct rx_ring_config {
312 u32 num_rxd; /*No of RxDs per Rx Ring */
313 #define RX_RING_PRI_0 0 /* highest */
314 #define RX_RING_PRI_1 1
315 #define RX_RING_PRI_2 2
316 #define RX_RING_PRI_3 3
317 #define RX_RING_PRI_4 4
318 #define RX_RING_PRI_5 5
319 #define RX_RING_PRI_6 6
320 #define RX_RING_PRI_7 7 /* lowest */
322 u8 ring_priority; /*Specifies service priority of ring */
323 /* OSM should not set any two rings with same priority */
324 u8 ring_org; /*Organization of ring */
325 #define RING_ORG_BUFF1 0x01
326 #define RX_RING_ORG_BUFF3 0x03
327 #define RX_RING_ORG_BUFF5 0x05
330 #define NO_SNOOP_RXD 0x01
331 #define NO_SNOOP_RXD_BUFFER 0x02
334 /* This structure provides contains values of the tunable parameters
337 struct config_param {
339 u32 tx_fifo_num; /*Number of Tx FIFOs */
341 u8 fifo_mapping[MAX_TX_FIFOS];
342 tx_fifo_config_t tx_cfg[MAX_TX_FIFOS]; /*Per-Tx FIFO config */
343 u32 max_txds; /*Max no. of Tx buffer descriptor per TxDL */
345 /* Specifies if Tx Intr is UTILZ or PER_LIST type. */
348 u32 rx_ring_num; /*Number of receive rings */
349 #define MAX_RX_BLOCKS_PER_RING 150
351 rx_ring_config_t rx_cfg[MAX_RX_RINGS]; /*Per-Rx Ring config */
353 #define HEADER_ETHERNET_II_802_3_SIZE 14
354 #define HEADER_802_2_SIZE 3
355 #define HEADER_SNAP_SIZE 5
356 #define HEADER_VLAN_SIZE 4
359 #define MAX_PYLD 1500
360 #define MAX_MTU (MAX_PYLD+18)
361 #define MAX_MTU_VLAN (MAX_PYLD+22)
362 #define MAX_PYLD_JUMBO 9600
363 #define MAX_MTU_JUMBO (MAX_PYLD_JUMBO+18)
364 #define MAX_MTU_JUMBO_VLAN (MAX_PYLD_JUMBO+22)
368 /* Structure representing MAC Addrs */
369 typedef struct mac_addr {
370 u8 mac_addr[ETH_ALEN];
373 /* Structure that represent every FIFO element in the BAR1
376 typedef struct _TxFIFO_element {
380 #define TX_FIFO_LAST_TXD_NUM( val) vBIT(val,0,8)
381 #define TX_FIFO_FIRST_LIST BIT(14)
382 #define TX_FIFO_LAST_LIST BIT(15)
383 #define TX_FIFO_FIRSTNLAST_LIST vBIT(3,14,2)
384 #define TX_FIFO_SPECIAL_FUNC BIT(23)
385 #define TX_FIFO_DS_NO_SNOOP BIT(31)
386 #define TX_FIFO_BUFF_NO_SNOOP BIT(30)
389 /* Tx descriptor structure */
390 typedef struct _TxD {
393 #define TXD_LIST_OWN_XENA BIT(7)
394 #define TXD_T_CODE (BIT(12)|BIT(13)|BIT(14)|BIT(15))
395 #define TXD_T_CODE_OK(val) (|(val & TXD_T_CODE))
396 #define GET_TXD_T_CODE(val) ((val & TXD_T_CODE)<<12)
397 #define TXD_GATHER_CODE (BIT(22) | BIT(23))
398 #define TXD_GATHER_CODE_FIRST BIT(22)
399 #define TXD_GATHER_CODE_LAST BIT(23)
400 #define TXD_TCP_LSO_EN BIT(30)
401 #define TXD_UDP_COF_EN BIT(31)
402 #define TXD_TCP_LSO_MSS(val) vBIT(val,34,14)
403 #define TXD_BUFFER0_SIZE(val) vBIT(val,48,16)
406 #define TXD_TX_CKO_CONTROL (BIT(5)|BIT(6)|BIT(7))
407 #define TXD_TX_CKO_IPV4_EN BIT(5)
408 #define TXD_TX_CKO_TCP_EN BIT(6)
409 #define TXD_TX_CKO_UDP_EN BIT(7)
410 #define TXD_VLAN_ENABLE BIT(15)
411 #define TXD_VLAN_TAG(val) vBIT(val,16,16)
412 #define TXD_INT_NUMBER(val) vBIT(val,34,6)
413 #define TXD_INT_TYPE_PER_LIST BIT(47)
414 #define TXD_INT_TYPE_UTILZ BIT(46)
415 #define TXD_SET_MARKER vBIT(0x6,0,4)
418 u64 Host_Control; /* reserved for host */
421 /* Structure to hold the phy and virt addr of every TxDL. */
422 typedef struct list_info_hold {
423 dma_addr_t list_phy_addr;
424 void *list_virt_addr;
427 /* Rx descriptor structure */
428 typedef struct _RxD_t {
429 u64 Host_Control; /* reserved for host */
431 #define RXD_OWN_XENA BIT(7)
432 #define RXD_T_CODE (BIT(12)|BIT(13)|BIT(14)|BIT(15))
433 #define RXD_FRAME_PROTO vBIT(0xFFFF,24,8)
434 #define RXD_FRAME_PROTO_IPV4 BIT(27)
435 #define RXD_FRAME_PROTO_IPV6 BIT(28)
436 #define RXD_FRAME_IP_FRAG BIT(29)
437 #define RXD_FRAME_PROTO_TCP BIT(30)
438 #define RXD_FRAME_PROTO_UDP BIT(31)
439 #define TCP_OR_UDP_FRAME (RXD_FRAME_PROTO_TCP | RXD_FRAME_PROTO_UDP)
440 #define RXD_GET_L3_CKSUM(val) ((u16)(val>> 16) & 0xFFFF)
441 #define RXD_GET_L4_CKSUM(val) ((u16)(val) & 0xFFFF)
444 #define THE_RXD_MARK 0x3
445 #define SET_RXD_MARKER vBIT(THE_RXD_MARK, 0, 2)
446 #define GET_RXD_MARKER(ctrl) ((ctrl & SET_RXD_MARKER) >> 62)
448 #ifndef CONFIG_2BUFF_MODE
449 #define MASK_BUFFER0_SIZE vBIT(0x3FFF,2,14)
450 #define SET_BUFFER0_SIZE(val) vBIT(val,2,14)
452 #define MASK_BUFFER0_SIZE vBIT(0xFF,2,14)
453 #define MASK_BUFFER1_SIZE vBIT(0xFFFF,16,16)
454 #define MASK_BUFFER2_SIZE vBIT(0xFFFF,32,16)
455 #define SET_BUFFER0_SIZE(val) vBIT(val,8,8)
456 #define SET_BUFFER1_SIZE(val) vBIT(val,16,16)
457 #define SET_BUFFER2_SIZE(val) vBIT(val,32,16)
460 #define MASK_VLAN_TAG vBIT(0xFFFF,48,16)
461 #define SET_VLAN_TAG(val) vBIT(val,48,16)
462 #define SET_NUM_TAG(val) vBIT(val,16,32)
464 #ifndef CONFIG_2BUFF_MODE
465 #define RXD_GET_BUFFER0_SIZE(Control_2) (u64)((Control_2 & vBIT(0x3FFF,2,14)))
467 #define RXD_GET_BUFFER0_SIZE(Control_2) (u8)((Control_2 & MASK_BUFFER0_SIZE) \
469 #define RXD_GET_BUFFER1_SIZE(Control_2) (u16)((Control_2 & MASK_BUFFER1_SIZE) \
471 #define RXD_GET_BUFFER2_SIZE(Control_2) (u16)((Control_2 & MASK_BUFFER2_SIZE) \
478 #ifdef CONFIG_2BUFF_MODE
484 /* Structure that represents the Rx descriptor block which contains
485 * 128 Rx descriptors.
487 #ifndef CONFIG_2BUFF_MODE
488 typedef struct _RxD_block {
489 #define MAX_RXDS_PER_BLOCK 127
490 RxD_t rxd[MAX_RXDS_PER_BLOCK];
493 #define END_OF_BLOCK 0xFEFFFFFFFFFFFFFFULL
494 u64 reserved_1; /* 0xFEFFFFFFFFFFFFFF to mark last
496 u64 reserved_2_pNext_RxD_block; /* Logical ptr to next */
497 u64 pNext_RxD_Blk_physical; /* Buff0_ptr.In a 32 bit arch
498 * the upper 32 bits should
502 typedef struct _RxD_block {
503 #define MAX_RXDS_PER_BLOCK 85
504 RxD_t rxd[MAX_RXDS_PER_BLOCK];
506 #define END_OF_BLOCK 0xFEFFFFFFFFFFFFFFULL
507 u64 reserved_1; /* 0xFEFFFFFFFFFFFFFF to mark last Rxd
509 u64 pNext_RxD_Blk_physical; /* Phy ponter to next blk. */
511 #define SIZE_OF_BLOCK 4096
513 /* Structure to hold virtual addresses of Buf0 and Buf1 in
515 typedef struct bufAdd {
523 /* Structure which stores all the MAC control parameters */
525 /* This structure stores the offset of the RxD in the ring
526 * from which the Rx Interrupt processor can start picking
527 * up the RxDs for processing.
529 typedef struct _rx_curr_get_info_t {
533 } rx_curr_get_info_t;
535 typedef rx_curr_get_info_t rx_curr_put_info_t;
537 /* This structure stores the offset of the TxDl in the FIFO
538 * from which the Tx Interrupt processor can start picking
539 * up the TxDLs for send complete interrupt processing.
544 } tx_curr_get_info_t;
546 typedef tx_curr_get_info_t tx_curr_put_info_t;
548 /* Structure that holds the Phy and virt addresses of the Blocks */
549 typedef struct rx_block_info {
550 RxD_t *block_virt_addr;
551 dma_addr_t block_dma_addr;
554 /* pre declaration of the nic structure */
555 typedef struct s2io_nic nic_t;
557 /* Ring specific structure */
558 typedef struct ring_info {
559 /* The ring number */
563 * Place holders for the virtual and physical addresses of
566 rx_block_info_t rx_blocks[MAX_RX_BLOCKS_PER_RING];
571 * Put pointer info which indictes which RxD has to be replenished
574 rx_curr_put_info_t rx_curr_put_info;
577 * Get pointer info which indictes which is the last RxD that was
578 * processed by the driver.
580 rx_curr_get_info_t rx_curr_get_info;
582 #ifndef CONFIG_S2IO_NAPI
583 /* Index to the absolute position of the put pointer of Rx ring */
587 #ifdef CONFIG_2BUFF_MODE
588 /* Buffer Address store. */
594 /* Fifo specific structure */
595 typedef struct fifo_info {
599 /* Maximum TxDs per TxDL */
602 /* Place holder of all the TX List's Phy and Virt addresses. */
603 list_info_hold_t *list_info;
606 * Current offset within the tx FIFO where driver would write
609 tx_curr_put_info_t tx_curr_put_info;
612 * Current offset within tx FIFO from where the driver would start freeing
615 tx_curr_get_info_t tx_curr_get_info;
620 /* Infomation related to the Tx and Rx FIFOs and Rings of Xena
621 * is maintained in this structure.
623 typedef struct mac_info {
625 /* logical pointer of start of each Tx FIFO */
626 TxFIFO_element_t __iomem *tx_FIFO_start[MAX_TX_FIFOS];
628 /* Fifo specific structure */
629 fifo_info_t fifos[MAX_TX_FIFOS];
632 /* Ring specific structure */
633 ring_info_t rings[MAX_RX_RINGS];
636 u16 mc_pause_threshold_q0q3;
637 u16 mc_pause_threshold_q4q7;
639 void *stats_mem; /* orignal pointer to allocated mem */
640 dma_addr_t stats_mem_phy; /* Physical address of the stat block */
642 StatInfo_t *stats_info; /* Logical address of the stat block */
645 /* structure representing the user defined MAC addresses */
651 /* Default Tunable parameters of the NIC. */
652 #define DEFAULT_FIFO_LEN 4096
653 #define SMALL_RXD_CNT 30 * (MAX_RXDS_PER_BLOCK+1)
654 #define LARGE_RXD_CNT 100 * (MAX_RXDS_PER_BLOCK+1)
655 #define SMALL_BLK_CNT 30
656 #define LARGE_BLK_CNT 100
658 /* Structure representing one instance of the NIC */
660 #ifdef CONFIG_S2IO_NAPI
662 * Count of packets to be processed in a given iteration, it will be indicated
663 * by the quota field of the device structure when NAPI is enabled.
667 struct net_device *dev;
668 mac_info_t mac_control;
669 struct config_param config;
670 struct pci_dev *pdev;
673 #define MAX_MAC_SUPPORTED 16
674 #define MAX_SUPPORTED_MULTICASTS MAX_MAC_SUPPORTED
676 macaddr_t def_mac_addr[MAX_MAC_SUPPORTED];
677 macaddr_t pre_mac_addr[MAX_MAC_SUPPORTED];
679 struct net_device_stats stats;
681 int device_close_flag;
682 int device_enabled_once;
685 struct tasklet_struct task;
686 volatile unsigned long tasklet_status;
688 /* Timer that handles I/O errors/exceptions */
689 struct timer_list alarm_timer;
691 /* Space to back up the PCI config space */
692 u32 config_space[256 / sizeof(u32)];
694 atomic_t rx_bufs_left[MAX_RX_RINGS];
697 #ifndef CONFIG_S2IO_NAPI
704 #define MAX_ADDRS_SUPPORTED 64
707 usr_addr_t usr_addrs[MAX_ADDRS_SUPPORTED];
718 /* Id timer, used to blink NIC to physically identify NIC. */
719 struct timer_list id_timer;
721 /* Restart timer, used to restart NIC if the device is stuck and
722 * a schedule task that will set the correct Link state once the
723 * NIC's PHY has stabilized after a state change.
726 struct tq_struct rst_timer_task;
727 struct tq_struct set_link_task;
729 struct work_struct rst_timer_task;
730 struct work_struct set_link_task;
733 /* Flag that can be used to turn on or turn off the Rx checksum
738 /* after blink, the adapter must be restored with original
743 /* Last known link state. */
752 volatile unsigned long link_state;
753 struct vlan_group *vlgrp;
754 #define XFRAME_I_DEVICE 1
755 #define XFRAME_II_DEVICE 2
762 #define RESET_ERROR 1;
765 /* OS related system calls */
767 static inline u64 readq(void __iomem *addr)
770 ret = readl(addr + 4);
772 (u64) ret |= readl(addr);
779 static inline void writeq(u64 val, void __iomem *addr)
781 writel((u32) (val), addr);
782 writel((u32) (val >> 32), (addr + 4));
785 /* In 32 bit modes, some registers have to be written in a
786 * particular order to expect correct hardware operation. The
787 * macro SPECIAL_REG_WRITE is used to perform such ordered
788 * writes. Defines UF (Upper First) and LF (Lower First) will
789 * be used to specify the required write order.
793 static inline void SPECIAL_REG_WRITE(u64 val, void __iomem *addr, int order)
796 writel((u32) (val), addr);
797 writel((u32) (val >> 32), (addr + 4));
799 writel((u32) (val >> 32), (addr + 4));
800 writel((u32) (val), addr);
804 #define SPECIAL_REG_WRITE(val, addr, dummy) writeq(val, addr)
807 /* Interrupt related values of Xena */
809 #define ENABLE_INTRS 1
810 #define DISABLE_INTRS 2
812 /* Highest level interrupt blocks */
813 #define TX_PIC_INTR (0x0001<<0)
814 #define TX_DMA_INTR (0x0001<<1)
815 #define TX_MAC_INTR (0x0001<<2)
816 #define TX_XGXS_INTR (0x0001<<3)
817 #define TX_TRAFFIC_INTR (0x0001<<4)
818 #define RX_PIC_INTR (0x0001<<5)
819 #define RX_DMA_INTR (0x0001<<6)
820 #define RX_MAC_INTR (0x0001<<7)
821 #define RX_XGXS_INTR (0x0001<<8)
822 #define RX_TRAFFIC_INTR (0x0001<<9)
823 #define MC_INTR (0x0001<<10)
824 #define ENA_ALL_INTRS ( TX_PIC_INTR | \
836 /* Interrupt masks for the general interrupt mask register */
837 #define DISABLE_ALL_INTRS 0xFFFFFFFFFFFFFFFFULL
839 #define TXPIC_INT_M BIT(0)
840 #define TXDMA_INT_M BIT(1)
841 #define TXMAC_INT_M BIT(2)
842 #define TXXGXS_INT_M BIT(3)
843 #define TXTRAFFIC_INT_M BIT(8)
844 #define PIC_RX_INT_M BIT(32)
845 #define RXDMA_INT_M BIT(33)
846 #define RXMAC_INT_M BIT(34)
847 #define MC_INT_M BIT(35)
848 #define RXXGXS_INT_M BIT(36)
849 #define RXTRAFFIC_INT_M BIT(40)
851 /* PIC level Interrupts TODO*/
853 /* DMA level Inressupts */
854 #define TXDMA_PFC_INT_M BIT(0)
855 #define TXDMA_PCC_INT_M BIT(2)
857 /* PFC block interrupts */
858 #define PFC_MISC_ERR_1 BIT(0) /* Interrupt to indicate FIFO full */
860 /* PCC block interrupts. */
861 #define PCC_FB_ECC_ERR vBIT(0xff, 16, 8) /* Interrupt to indicate
864 #define RXD_GET_VLAN_TAG(Control_2) (u16)(Control_2 & MASK_VLAN_TAG)
866 * Prototype declaration.
868 static int __devinit s2io_init_nic(struct pci_dev *pdev,
869 const struct pci_device_id *pre);
870 static void __devexit s2io_rem_nic(struct pci_dev *pdev);
871 static int init_shared_mem(struct s2io_nic *sp);
872 static void free_shared_mem(struct s2io_nic *sp);
873 static int init_nic(struct s2io_nic *nic);
874 static void rx_intr_handler(ring_info_t *ring_data);
875 static void tx_intr_handler(fifo_info_t *fifo_data);
876 static void alarm_intr_handler(struct s2io_nic *sp);
878 static int s2io_starter(void);
879 void s2io_closer(void);
880 static void s2io_tx_watchdog(struct net_device *dev);
881 static void s2io_tasklet(unsigned long dev_addr);
882 static void s2io_set_multicast(struct net_device *dev);
883 static int rx_osm_handler(ring_info_t *ring_data, RxD_t * rxdp);
884 void s2io_link(nic_t * sp, int link);
885 void s2io_reset(nic_t * sp);
886 #if defined(CONFIG_S2IO_NAPI)
887 static int s2io_poll(struct net_device *dev, int *budget);
889 static void s2io_init_pci(nic_t * sp);
890 int s2io_set_mac_addr(struct net_device *dev, u8 * addr);
891 static void s2io_alarm_handle(unsigned long data);
892 static irqreturn_t s2io_isr(int irq, void *dev_id, struct pt_regs *regs);
893 static int verify_xena_quiescence(nic_t *sp, u64 val64, int flag);
894 static struct ethtool_ops netdev_ethtool_ops;
895 static void s2io_set_link(unsigned long data);
896 int s2io_set_swapper(nic_t * sp);
897 static void s2io_card_down(nic_t *nic);
898 static int s2io_card_up(nic_t *nic);
899 int get_xena_rev_id(struct pci_dev *pdev);