1 /*
2  * vxge-main.h: iPXE driver for Neterion Inc's X3100 Series 10GbE
3  *              PCIe I/O Virtualized Server Adapter.
4  *
5  * Copyright(c) 2002-2010 Neterion Inc.
6  *
7  * This software may be used and distributed according to the terms of
8  * the GNU General Public License (GPL), incorporated herein by
9  * reference.  Drivers based on or derived from this code fall under
10  * the GPL and must retain the authorship, copyright and license
11  * notice.
12  *
13  */
14 
15 FILE_LICENCE(GPL2_ONLY);
16 
17 #ifndef VXGE_MAIN_H
18 #define VXGE_MAIN_H
19 
20 #include <unistd.h>
21 #include "vxge_traffic.h"
22 #include "vxge_config.h"
23 
24 #define VXGE_DRIVER_NAME		"vxge"
25 #define VXGE_DRIVER_VENDOR		"Neterion, Inc"
26 
27 #ifndef PCI_VENDOR_ID_S2IO
28 #define PCI_VENDOR_ID_S2IO		0x17D5
29 #endif
30 
31 #ifndef PCI_DEVICE_ID_TITAN_WIN
32 #define PCI_DEVICE_ID_TITAN_WIN		0x5733
33 #endif
34 
35 #ifndef PCI_DEVICE_ID_TITAN_UNI
36 #define PCI_DEVICE_ID_TITAN_UNI		0x5833
37 #endif
38 
39 #define VXGE_HW_TITAN1_PCI_REVISION	1
40 #define	VXGE_HW_TITAN1A_PCI_REVISION	2
41 
42 #define	VXGE_HP_ISS_SUBSYS_VENDORID	0x103C
43 #define	VXGE_HP_ISS_SUBSYS_DEVICEID_1	0x323B
44 #define	VXGE_HP_ISS_SUBSYS_DEVICEID_2	0x323C
45 
46 #define	VXGE_USE_DEFAULT		0xffffffff
47 #define VXGE_HW_VPATH_MSIX_ACTIVE	4
48 #define VXGE_ALARM_MSIX_ID		2
49 #define VXGE_HW_RXSYNC_FREQ_CNT		4
50 #define VXGE_LL_RX_COPY_THRESHOLD	256
51 #define VXGE_DEF_FIFO_LENGTH		84
52 
53 #define NO_STEERING		0
54 #define PORT_STEERING		0x1
55 #define RTH_TCP_UDP_STEERING	0x2
56 #define RTH_IPV4_STEERING	0x3
57 #define RTH_IPV6_EX_STEERING	0x4
58 #define RTH_BUCKET_SIZE		8
59 
60 #define	TX_PRIORITY_STEERING		1
61 #define	TX_VLAN_STEERING		2
62 #define	TX_PORT_STEERING		3
63 #define	TX_MULTIQ_STEERING		4
64 
65 #define VXGE_HW_PROM_MODE_ENABLE	1
66 #define VXGE_HW_PROM_MODE_DISABLE	0
67 
68 #define VXGE_HW_FW_UPGRADE_DISABLE	0
69 #define VXGE_HW_FW_UPGRADE_ALL		1
70 #define VXGE_HW_FW_UPGRADE_FORCE	2
71 #define VXGE_HW_FUNC_MODE_DISABLE	0
72 
73 #define VXGE_TTI_BTIMER_VAL 250000
74 #define VXGE_T1A_TTI_LTIMER_VAL 80
75 #define VXGE_T1A_TTI_RTIMER_VAL 400
76 
77 #define VXGE_TTI_LTIMER_VAL 1000
78 #define VXGE_TTI_RTIMER_VAL 0
79 #define VXGE_RTI_BTIMER_VAL 250
80 #define VXGE_RTI_LTIMER_VAL 100
81 #define VXGE_RTI_RTIMER_VAL 0
82 #define VXGE_FIFO_INDICATE_MAX_PKTS VXGE_DEF_FIFO_LENGTH
83 #define VXGE_ISR_POLLING_CNT 	8
84 #define VXGE_MAX_CONFIG_DEV	0xFF
85 #define VXGE_EXEC_MODE_DISABLE	0
86 #define VXGE_EXEC_MODE_ENABLE	1
87 #define VXGE_MAX_CONFIG_PORT	1
88 #define VXGE_ALL_VID_DISABLE	0
89 #define VXGE_ALL_VID_ENABLE	1
90 #define VXGE_PAUSE_CTRL_DISABLE	0
91 #define VXGE_PAUSE_CTRL_ENABLE	1
92 
93 #define TTI_TX_URANGE_A	5
94 #define TTI_TX_URANGE_B	15
95 #define TTI_TX_URANGE_C	40
96 #define TTI_TX_UFC_A	5
97 #define TTI_TX_UFC_B	40
98 #define TTI_TX_UFC_C	60
99 #define TTI_TX_UFC_D	100
100 #define TTI_T1A_TX_UFC_A	30
101 #define TTI_T1A_TX_UFC_B	80
102 
103 /* Slope - (max_mtu - min_mtu)/(max_mtu_ufc - min_mtu_ufc) */
104 /* Slope - 93 */
105 /* 60 - 9k Mtu, 140 - 1.5k mtu */
106 #define TTI_T1A_TX_UFC_C(mtu)	(60 + ((VXGE_HW_MAX_MTU - mtu)/93))
107 
108 /* Slope - 37 */
109 /* 100 - 9k Mtu, 300 - 1.5k mtu */
110 #define TTI_T1A_TX_UFC_D(mtu)	(100 + ((VXGE_HW_MAX_MTU - mtu)/37))
111 
112 #define RTI_RX_URANGE_A		5
113 #define RTI_RX_URANGE_B		15
114 #define RTI_RX_URANGE_C		40
115 #define RTI_T1A_RX_URANGE_A	1
116 #define RTI_T1A_RX_URANGE_B	20
117 #define RTI_T1A_RX_URANGE_C	50
118 #define RTI_RX_UFC_A		1
119 #define RTI_RX_UFC_B		5
120 #define RTI_RX_UFC_C		10
121 #define RTI_RX_UFC_D		15
122 #define RTI_T1A_RX_UFC_B	20
123 #define RTI_T1A_RX_UFC_C	50
124 #define RTI_T1A_RX_UFC_D	60
125 
126 /*
127  * The interrupt rate is maintained at 3k per second with the moderation
128  * parameters for most traffics but not all. This is the maximum interrupt
129  * count per allowed per function with INTA or per vector in the case of in a
130  * MSI-X 10 millisecond time period. Enabled only for Titan 1A.
131  */
132 #define VXGE_T1A_MAX_INTERRUPT_COUNT 100
133 
134 #define VXGE_ENABLE_NAPI	1
135 #define VXGE_DISABLE_NAPI	0
136 #define VXGE_LRO_MAX_BYTES 0x4000
137 #define VXGE_T1A_LRO_MAX_BYTES 0xC000
138 
139 #define VXGE_HW_MIN_VPATH_TX_BW_SUPPORT 0
140 #define VXGE_HW_MAX_VPATH_TX_BW_SUPPORT 7
141 
142 /* Milli secs timer period */
143 #define VXGE_TIMER_DELAY		10000
144 
145 #define VXGE_TIMER_COUNT    	(2 * 60)
146 
147 #define VXGE_LL_MAX_FRAME_SIZE(dev) ((dev)->mtu + VXGE_HW_MAC_HEADER_MAX_SIZE)
148 
149 #define VXGE_REG_DUMP_BUFSIZE           65000
150 
151 #define is_mf(function_mode) \
152 	((function_mode == VXGE_HW_FUNCTION_MODE_MULTI_FUNCTION) ||   \
153 	(function_mode == VXGE_HW_FUNCTION_MODE_MULTI_FUNCTION_17) || \
154 	(function_mode == VXGE_HW_FUNCTION_MODE_MULTI_FUNCTION_2) ||  \
155 	(function_mode == VXGE_HW_FUNCTION_MODE_MULTI_FUNCTION_4))
156 
157 #define is_titan1(dev_id, rev) (((dev_id == PCI_DEVICE_ID_TITAN_UNI) || \
158 				(dev_id == PCI_DEVICE_ID_TITAN_WIN)) && \
159 				(rev == VXGE_HW_TITAN1_PCI_REVISION))
160 
161 /* These flags represent the devices temporary state */
162 #define __VXGE_STATE_RESET_CARD 	0x01
163 #define __VXGE_STATE_CARD_UP		0x02
164 
165 #define test_bit(bit, loc) 	((bit) & (loc))
166 #define set_bit(bit, loc) 	do { (loc) |= (bit); } while (0);
167 #define clear_bit(bit, loc) 	do { (loc) &= ~(bit); } while (0);
168 
169 #define msleep(n)       mdelay(n)
170 
171 struct vxge_fifo {
172 	struct net_device	*ndev;
173 	struct pci_device	*pdev;
174 	struct __vxge_hw_fifo   *fifoh;
175 };
176 
177 struct vxge_ring {
178 	struct net_device	*ndev;
179 	struct pci_device	*pdev;
180 	struct __vxge_hw_ring	*ringh;
181 };
182 
183 struct vxge_vpath {
184 
185 	struct vxge_fifo fifo;
186 	struct vxge_ring ring;
187 
188 	/* Actual vpath id for this vpath in the device - 0 to 16 */
189 	int device_id;
190 	int is_open;
191 	int vp_open;
192 	u8 (macaddr)[ETH_ALEN];
193 	u8 (macmask)[ETH_ALEN];
194 	struct vxgedev *vdev;
195 	struct __vxge_hw_virtualpath *vpathh;
196 };
197 
198 struct vxgedev {
199 	struct net_device	*ndev;
200 	struct pci_device	*pdev;
201 	struct __vxge_hw_device *devh;
202 	u8			titan1;
203 
204 	unsigned long		state;
205 
206 	struct vxge_vpath 	vpath;
207 
208 	void __iomem 		*bar0;
209 	int			mtu;
210 
211 	char			fw_version[VXGE_HW_FW_STRLEN];
212 };
213 
214 void vxge_vpath_intr_enable(struct vxgedev *vdev, int vp_id);
215 
216 void vxge_vpath_intr_disable(struct vxgedev *vdev, int vp_id);
217 
218 int vxge_reset(struct vxgedev *vdev);
219 
220 enum vxge_hw_status
221 vxge_xmit_compl(struct __vxge_hw_fifo *fifo_hw,
222 	struct vxge_hw_fifo_txd *txdp, enum vxge_hw_fifo_tcode tcode);
223 
224 void vxge_close_vpaths(struct vxgedev *vdev);
225 
226 int vxge_open_vpaths(struct vxgedev *vdev);
227 
228 enum vxge_hw_status vxge_reset_all_vpaths(struct vxgedev *vdev);
229 
230 #endif
231