1 /******************************************************************************
2 * This software may be used and distributed according to the terms of
3 * the GNU General Public License (GPL), incorporated herein by reference.
4 * Drivers based on or derived from this code fall under the GPL and must
5 * retain the authorship, copyright and license notice. This file is not
6 * a complete program and may only be used when the entire operating
7 * system is licensed under the GPL.
8 * See the file COPYING in this distribution for more information.
10 * vxge-main.h: Driver for Neterion Inc's X3100 Series 10GbE PCIe I/O
11 * Virtualized Server Adapter.
12 * Copyright(c) 2002-2009 Neterion Inc.
13 ******************************************************************************/
17 #include "vxge-traffic.h"
18 #include "vxge-config.h"
19 #include "vxge-version.h"
20 #include <linux/list.h>
22 #define VXGE_DRIVER_NAME "vxge"
23 #define VXGE_DRIVER_VENDOR "Neterion, Inc"
24 #define VXGE_DRIVER_VERSION_MAJOR 0
26 #define DRV_VERSION VXGE_VERSION_MAJOR"."VXGE_VERSION_MINOR"."\
27 VXGE_VERSION_FIX"."VXGE_VERSION_BUILD"-"\
30 #define PCI_DEVICE_ID_TITAN_WIN 0x5733
31 #define PCI_DEVICE_ID_TITAN_UNI 0x5833
32 #define VXGE_USE_DEFAULT 0xffffffff
33 #define VXGE_HW_VPATH_MSIX_ACTIVE 4
34 #define VXGE_HW_RXSYNC_FREQ_CNT 4
35 #define VXGE_LL_WATCH_DOG_TIMEOUT (15 * HZ)
36 #define VXGE_LL_RX_COPY_THRESHOLD 256
37 #define VXGE_DEF_FIFO_LENGTH 84
40 #define PORT_STEERING 0x1
41 #define RTH_STEERING 0x2
42 #define RX_TOS_STEERING 0x3
43 #define RX_VLAN_STEERING 0x4
44 #define RTH_BUCKET_SIZE 4
46 #define TX_PRIORITY_STEERING 1
47 #define TX_VLAN_STEERING 2
48 #define TX_PORT_STEERING 3
49 #define TX_MULTIQ_STEERING 4
51 #define VXGE_HW_MAC_ADDR_LEARN_DEFAULT VXGE_HW_RTS_MAC_DISABLE
53 #define VXGE_TTI_BTIMER_VAL 250000
55 #define VXGE_TTI_LTIMER_VAL 1000
56 #define VXGE_TTI_RTIMER_VAL 0
57 #define VXGE_RTI_BTIMER_VAL 250
58 #define VXGE_RTI_LTIMER_VAL 100
59 #define VXGE_RTI_RTIMER_VAL 0
60 #define VXGE_FIFO_INDICATE_MAX_PKTS VXGE_DEF_FIFO_LENGTH
61 #define VXGE_ISR_POLLING_CNT 8
62 #define VXGE_MAX_CONFIG_DEV 0xFF
63 #define VXGE_EXEC_MODE_DISABLE 0
64 #define VXGE_EXEC_MODE_ENABLE 1
65 #define VXGE_MAX_CONFIG_PORT 1
66 #define VXGE_ALL_VID_DISABLE 0
67 #define VXGE_ALL_VID_ENABLE 1
68 #define VXGE_PAUSE_CTRL_DISABLE 0
69 #define VXGE_PAUSE_CTRL_ENABLE 1
71 #define TTI_TX_URANGE_A 5
72 #define TTI_TX_URANGE_B 15
73 #define TTI_TX_URANGE_C 40
74 #define TTI_TX_UFC_A 5
75 #define TTI_TX_UFC_B 40
76 #define TTI_TX_UFC_C 60
77 #define TTI_TX_UFC_D 100
79 #define RTI_RX_URANGE_A 5
80 #define RTI_RX_URANGE_B 15
81 #define RTI_RX_URANGE_C 40
82 #define RTI_RX_UFC_A 1
83 #define RTI_RX_UFC_B 5
84 #define RTI_RX_UFC_C 10
85 #define RTI_RX_UFC_D 15
87 /* Milli secs timer period */
88 #define VXGE_TIMER_DELAY 10000
90 #define VXGE_LL_MAX_FRAME_SIZE(dev) ((dev)->mtu + VXGE_HW_MAC_HEADER_MAX_SIZE)
92 enum vxge_reset_event
{
94 VXGE_LL_VPATH_RESET
= 0,
95 VXGE_LL_DEVICE_RESET
= 1,
96 VXGE_LL_FULL_RESET
= 2,
97 VXGE_LL_START_RESET
= 3,
98 VXGE_LL_COMPL_RESET
= 4
100 /* These flags represent the devices temporary state */
101 enum vxge_device_state_t
{
102 __VXGE_STATE_RESET_CARD
= 0,
106 enum vxge_mac_addr_state
{
107 /* mac address states */
108 VXGE_LL_MAC_ADDR_IN_LIST
= 0,
109 VXGE_LL_MAC_ADDR_IN_DA_TABLE
= 1
112 struct vxge_drv_config
{
115 unsigned long inta_dev_open
;
117 unsigned int vpath_per_dev
;
121 unsigned char macaddr
[ETH_ALEN
];
122 unsigned char macmask
[ETH_ALEN
];
123 unsigned int vpath_no
;
124 enum vxge_mac_addr_state state
;
131 #define NEW_NAPI_WEIGHT 64
133 #define VXGE_GRO_DONOT_AGGREGATE 0
134 #define VXGE_GRO_ALWAYS_AGGREGATE 1
145 int rth_hash_type_tcpipv4
;
146 int rth_hash_type_ipv4
;
147 int rth_hash_type_tcpipv6
;
148 int rth_hash_type_ipv6
;
149 int rth_hash_type_tcpipv6ex
;
150 int rth_hash_type_ipv6ex
;
152 int rth_jhash_golden_ratio
;
153 int tx_steering_type
;
154 int fifo_indicate_max_pkts
;
155 struct vxge_hw_device_hw_info device_hw_info
;
158 struct vxge_msix_entry
{
159 /* Mimicing the msix_entry struct of Kernel. */
166 /* Software Statistics */
168 struct vxge_sw_stats
{
169 /* Network Stats (interface stats) */
170 struct net_device_stats net_stats
;
196 struct vxge_mac_addrs
{
197 struct list_head item
;
200 enum vxge_mac_addr_state state
;
205 struct vxge_fifo_stats
{
215 struct net_device
*ndev
;
216 struct pci_dev
*pdev
;
217 struct __vxge_hw_fifo
*handle
;
219 /* The vpath id maintained in the driver -
220 * 0 to 'maximum_vpaths_in_function - 1'
223 int tx_steering_type
;
224 int indicate_max_pkts
;
226 /* flag used to maintain queue state when MULTIQ is not enabled */
227 #define VPATH_QUEUE_START 0
228 #define VPATH_QUEUE_STOP 1
232 struct vxge_fifo_stats stats
;
233 } ____cacheline_aligned
;
235 struct vxge_ring_stats
{
247 struct net_device
*ndev
;
248 struct pci_dev
*pdev
;
249 struct __vxge_hw_ring
*handle
;
250 /* The vpath id maintained in the driver -
251 * 0 to 'maximum_vpaths_in_function - 1'
255 /* copy of the flag indicating whether rx_csum is to be used */
262 struct napi_struct napi
;
264 #define VXGE_MAX_MAC_ADDR_COUNT 30
267 struct vlan_group
*vlgrp
;
269 enum vxge_hw_status last_status
;
272 struct vxge_ring_stats stats
;
273 } ____cacheline_aligned
;
277 struct vxge_fifo fifo
;
278 struct vxge_ring ring
;
280 struct __vxge_hw_vpath_handle
*handle
;
282 /* Actual vpath id for this vpath in the device - 0 to 16 */
284 int max_mac_addr_cnt
;
287 struct vxgedev
*vdev
;
288 u8 (macaddr
)[ETH_ALEN
];
289 u8 (macmask
)[ETH_ALEN
];
291 #define VXGE_MAX_LEARN_MAC_ADDR_CNT 2048
292 /* mac addresses currently programmed into NIC */
295 struct list_head mac_addr_list
;
300 #define VXGE_COPY_DEBUG_INFO_TO_LL(vdev, err, trace) { \
301 for (i = 0; i < vdev->no_of_vpath; i++) { \
302 vdev->vpaths[i].level_err = err; \
303 vdev->vpaths[i].level_trace = trace; \
305 vdev->level_err = err; \
306 vdev->level_trace = trace; \
310 struct net_device
*ndev
;
311 struct pci_dev
*pdev
;
312 struct __vxge_hw_device
*devh
;
313 struct vlan_group
*vlgrp
;
315 struct vxge_config config
;
318 /* Indicates which vpath to reset */
319 unsigned long vp_reset
;
321 /* Timer used for polling vpath resets */
322 struct timer_list vp_reset_timer
;
324 /* Timer used for polling vpath lockup */
325 struct timer_list vp_lockup_timer
;
328 * Flags to track whether device is in All Multicast
329 * or in promiscuous mode.
333 /* A flag indicating whether rx_csum is to be used or not. */
336 struct vxge_msix_entry
*vxge_entries
;
337 struct msix_entry
*entries
;
339 * 4 for each vpath * 17;
342 #define VXGE_MAX_REQUESTED_MSIX 68
343 #define VXGE_INTR_STRLEN 80
344 char desc
[VXGE_MAX_REQUESTED_MSIX
][VXGE_INTR_STRLEN
];
346 enum vxge_hw_event cric_err_event
;
348 int max_vpath_supported
;
351 struct napi_struct napi
;
352 /* A debug option, when enabled and if error condition occurs,
353 * the driver will do following steps:
354 * - mask all interrupts
355 * - Not clear the source of the alarm
356 * - gracefully stop all I/O
357 * A diagnostic dump of register and stats at this point
358 * reveals very useful information.
362 struct vxge_vpath
*vpaths
;
364 struct __vxge_hw_vpath_handle
*vp_handles
[VXGE_HW_MAX_VIRTUAL_PATHS
];
367 struct vxge_sw_stats stats
;
369 /* Below variables are used for vpath selection to transmit a packet */
370 u8 vpath_selector
[VXGE_HW_MAX_VIRTUAL_PATHS
];
376 char fw_version
[VXGE_HW_FW_STRLEN
];
379 struct vxge_rx_priv
{
382 dma_addr_t data_size
;
385 struct vxge_tx_priv
{
387 dma_addr_t dma_buffers
[MAX_SKB_FRAGS
+1];
390 #define VXGE_MODULE_PARAM_INT(p, val) \
391 static int p = val; \
392 module_param(p, int, 0)
394 #define vxge_os_bug(fmt...) { printk(fmt); BUG(); }
396 #define vxge_os_timer(timer, handle, arg, exp) do { \
397 init_timer(&timer); \
398 timer.function = handle; \
399 timer.data = (unsigned long) arg; \
400 mod_timer(&timer, (jiffies + exp)); \
403 int __devinit
vxge_device_register(struct __vxge_hw_device
*devh
,
404 struct vxge_config
*config
,
405 int high_dma
, int no_of_vpath
,
406 struct vxgedev
**vdev
);
408 void vxge_device_unregister(struct __vxge_hw_device
*devh
);
410 void vxge_vpath_intr_enable(struct vxgedev
*vdev
, int vp_id
);
412 void vxge_vpath_intr_disable(struct vxgedev
*vdev
, int vp_id
);
414 void vxge_callback_link_up(struct __vxge_hw_device
*devh
);
416 void vxge_callback_link_down(struct __vxge_hw_device
*devh
);
418 enum vxge_hw_status
vxge_add_mac_addr(struct vxgedev
*vdev
,
419 struct macInfo
*mac
);
421 int vxge_mac_list_del(struct vxge_vpath
*vpath
, struct macInfo
*mac
);
423 int vxge_reset(struct vxgedev
*vdev
);
426 vxge_rx_1b_compl(struct __vxge_hw_ring
*ringh
, void *dtr
,
427 u8 t_code
, void *userdata
);
430 vxge_xmit_compl(struct __vxge_hw_fifo
*fifo_hw
, void *dtr
,
431 enum vxge_hw_fifo_tcode t_code
, void *userdata
, void **skb_ptr
);
433 int vxge_close(struct net_device
*dev
);
435 int vxge_open(struct net_device
*dev
);
437 void vxge_close_vpaths(struct vxgedev
*vdev
, int index
);
439 int vxge_open_vpaths(struct vxgedev
*vdev
);
441 enum vxge_hw_status
vxge_reset_all_vpaths(struct vxgedev
*vdev
);
443 void vxge_stop_all_tx_queue(struct vxgedev
*vdev
);
445 void vxge_stop_tx_queue(struct vxge_fifo
*fifo
);
447 void vxge_start_all_tx_queue(struct vxgedev
*vdev
);
449 void vxge_wake_tx_queue(struct vxge_fifo
*fifo
, struct sk_buff
*skb
);
451 enum vxge_hw_status
vxge_add_mac_addr(struct vxgedev
*vdev
,
452 struct macInfo
*mac
);
454 enum vxge_hw_status
vxge_del_mac_addr(struct vxgedev
*vdev
,
455 struct macInfo
*mac
);
457 int vxge_mac_list_add(struct vxge_vpath
*vpath
,
458 struct macInfo
*mac
);
460 void vxge_free_mac_add_list(struct vxge_vpath
*vpath
);
462 enum vxge_hw_status
vxge_restore_vpath_mac_addr(struct vxge_vpath
*vpath
);
464 enum vxge_hw_status
vxge_restore_vpath_vid_table(struct vxge_vpath
*vpath
);
466 int do_vxge_close(struct net_device
*dev
, int do_io
);
467 extern void initialize_ethtool_ops(struct net_device
*ndev
);
469 * #define VXGE_DEBUG_INIT: debug for initialization functions
470 * #define VXGE_DEBUG_TX : debug transmit related functions
471 * #define VXGE_DEBUG_RX : debug recevice related functions
472 * #define VXGE_DEBUG_MEM : debug memory module
473 * #define VXGE_DEBUG_LOCK: debug locks
474 * #define VXGE_DEBUG_SEM : debug semaphore
475 * #define VXGE_DEBUG_ENTRYEXIT: debug functions by adding entry exit statements
477 #define VXGE_DEBUG_INIT 0x00000001
478 #define VXGE_DEBUG_TX 0x00000002
479 #define VXGE_DEBUG_RX 0x00000004
480 #define VXGE_DEBUG_MEM 0x00000008
481 #define VXGE_DEBUG_LOCK 0x00000010
482 #define VXGE_DEBUG_SEM 0x00000020
483 #define VXGE_DEBUG_ENTRYEXIT 0x00000040
484 #define VXGE_DEBUG_INTR 0x00000080
485 #define VXGE_DEBUG_LL_CONFIG 0x00000100
487 /* Debug tracing for VXGE driver */
488 #ifndef VXGE_DEBUG_MASK
489 #define VXGE_DEBUG_MASK 0x0
492 #if (VXGE_DEBUG_LL_CONFIG & VXGE_DEBUG_MASK)
493 #define vxge_debug_ll_config(level, fmt, ...) \
494 vxge_debug_ll(level, VXGE_DEBUG_LL_CONFIG, fmt, __VA_ARGS__)
496 #define vxge_debug_ll_config(level, fmt, ...)
499 #if (VXGE_DEBUG_INIT & VXGE_DEBUG_MASK)
500 #define vxge_debug_init(level, fmt, ...) \
501 vxge_debug_ll(level, VXGE_DEBUG_INIT, fmt, __VA_ARGS__)
503 #define vxge_debug_init(level, fmt, ...)
506 #if (VXGE_DEBUG_TX & VXGE_DEBUG_MASK)
507 #define vxge_debug_tx(level, fmt, ...) \
508 vxge_debug_ll(level, VXGE_DEBUG_TX, fmt, __VA_ARGS__)
510 #define vxge_debug_tx(level, fmt, ...)
513 #if (VXGE_DEBUG_RX & VXGE_DEBUG_MASK)
514 #define vxge_debug_rx(level, fmt, ...) \
515 vxge_debug_ll(level, VXGE_DEBUG_RX, fmt, __VA_ARGS__)
517 #define vxge_debug_rx(level, fmt, ...)
520 #if (VXGE_DEBUG_MEM & VXGE_DEBUG_MASK)
521 #define vxge_debug_mem(level, fmt, ...) \
522 vxge_debug_ll(level, VXGE_DEBUG_MEM, fmt, __VA_ARGS__)
524 #define vxge_debug_mem(level, fmt, ...)
527 #if (VXGE_DEBUG_ENTRYEXIT & VXGE_DEBUG_MASK)
528 #define vxge_debug_entryexit(level, fmt, ...) \
529 vxge_debug_ll(level, VXGE_DEBUG_ENTRYEXIT, fmt, __VA_ARGS__)
531 #define vxge_debug_entryexit(level, fmt, ...)
534 #if (VXGE_DEBUG_INTR & VXGE_DEBUG_MASK)
535 #define vxge_debug_intr(level, fmt, ...) \
536 vxge_debug_ll(level, VXGE_DEBUG_INTR, fmt, __VA_ARGS__)
538 #define vxge_debug_intr(level, fmt, ...)
541 #define VXGE_DEVICE_DEBUG_LEVEL_SET(level, mask, vdev) {\
542 vxge_hw_device_debug_set((struct __vxge_hw_device *)vdev->devh, \
544 VXGE_COPY_DEBUG_INFO_TO_LL(vdev, \
545 vxge_hw_device_error_level_get((struct __vxge_hw_device *) \
547 vxge_hw_device_trace_level_get((struct __vxge_hw_device *) \
552 #define vxge_tcp_mss(skb) (skb_shinfo(skb)->gso_size)
553 #define vxge_udp_mss(skb) (skb_shinfo(skb)->gso_size)
554 #define vxge_offload_type(skb) (skb_shinfo(skb)->gso_type)