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Amit Kumar Salechaaf19b492010-01-13 00:37:25 +00001/*
Sritej Velaga40839129f2010-12-02 20:41:56 +00002 * QLogic qlcnic NIC Driver
3 * Copyright (c) 2009-2010 QLogic Corporation
Amit Kumar Salechaaf19b492010-01-13 00:37:25 +00004 *
Sritej Velaga40839129f2010-12-02 20:41:56 +00005 * See LICENSE.qlcnic for copyright and licensing details.
Amit Kumar Salechaaf19b492010-01-13 00:37:25 +00006 */
7
8#include "qlcnic.h"
9
Tejun Heo5a0e3ad2010-03-24 17:04:11 +090010#include <linux/slab.h>
Amit Kumar Salechaaf19b492010-01-13 00:37:25 +000011#include <net/ip.h>
12
13#define MASK(n) ((1ULL<<(n))-1)
14#define OCM_WIN_P3P(addr) (addr & 0xffc0000)
15
16#define GET_MEM_OFFS_2M(addr) (addr & MASK(18))
17
18#define CRB_BLK(off) ((off >> 20) & 0x3f)
19#define CRB_SUBBLK(off) ((off >> 16) & 0xf)
20#define CRB_WINDOW_2M (0x130060)
21#define CRB_HI(off) ((crb_hub_agt[CRB_BLK(off)] << 20) | ((off) & 0xf0000))
22#define CRB_INDIRECT_2M (0x1e0000UL)
23
24
25#ifndef readq
26static inline u64 readq(void __iomem *addr)
27{
28 return readl(addr) | (((u64) readl(addr + 4)) << 32LL);
29}
30#endif
31
32#ifndef writeq
33static inline void writeq(u64 val, void __iomem *addr)
34{
35 writel(((u32) (val)), (addr));
36 writel(((u32) (val >> 32)), (addr + 4));
37}
38#endif
39
Amit Kumar Salechaaf19b492010-01-13 00:37:25 +000040static const struct crb_128M_2M_block_map
41crb_128M_2M_map[64] __cacheline_aligned_in_smp = {
42 {{{0, 0, 0, 0} } }, /* 0: PCI */
43 {{{1, 0x0100000, 0x0102000, 0x120000}, /* 1: PCIE */
44 {1, 0x0110000, 0x0120000, 0x130000},
45 {1, 0x0120000, 0x0122000, 0x124000},
46 {1, 0x0130000, 0x0132000, 0x126000},
47 {1, 0x0140000, 0x0142000, 0x128000},
48 {1, 0x0150000, 0x0152000, 0x12a000},
49 {1, 0x0160000, 0x0170000, 0x110000},
50 {1, 0x0170000, 0x0172000, 0x12e000},
51 {0, 0x0000000, 0x0000000, 0x000000},
52 {0, 0x0000000, 0x0000000, 0x000000},
53 {0, 0x0000000, 0x0000000, 0x000000},
54 {0, 0x0000000, 0x0000000, 0x000000},
55 {0, 0x0000000, 0x0000000, 0x000000},
56 {0, 0x0000000, 0x0000000, 0x000000},
57 {1, 0x01e0000, 0x01e0800, 0x122000},
58 {0, 0x0000000, 0x0000000, 0x000000} } },
59 {{{1, 0x0200000, 0x0210000, 0x180000} } },/* 2: MN */
60 {{{0, 0, 0, 0} } }, /* 3: */
61 {{{1, 0x0400000, 0x0401000, 0x169000} } },/* 4: P2NR1 */
62 {{{1, 0x0500000, 0x0510000, 0x140000} } },/* 5: SRE */
63 {{{1, 0x0600000, 0x0610000, 0x1c0000} } },/* 6: NIU */
64 {{{1, 0x0700000, 0x0704000, 0x1b8000} } },/* 7: QM */
65 {{{1, 0x0800000, 0x0802000, 0x170000}, /* 8: SQM0 */
66 {0, 0x0000000, 0x0000000, 0x000000},
67 {0, 0x0000000, 0x0000000, 0x000000},
68 {0, 0x0000000, 0x0000000, 0x000000},
69 {0, 0x0000000, 0x0000000, 0x000000},
70 {0, 0x0000000, 0x0000000, 0x000000},
71 {0, 0x0000000, 0x0000000, 0x000000},
72 {0, 0x0000000, 0x0000000, 0x000000},
73 {0, 0x0000000, 0x0000000, 0x000000},
74 {0, 0x0000000, 0x0000000, 0x000000},
75 {0, 0x0000000, 0x0000000, 0x000000},
76 {0, 0x0000000, 0x0000000, 0x000000},
77 {0, 0x0000000, 0x0000000, 0x000000},
78 {0, 0x0000000, 0x0000000, 0x000000},
79 {0, 0x0000000, 0x0000000, 0x000000},
80 {1, 0x08f0000, 0x08f2000, 0x172000} } },
81 {{{1, 0x0900000, 0x0902000, 0x174000}, /* 9: SQM1*/
82 {0, 0x0000000, 0x0000000, 0x000000},
83 {0, 0x0000000, 0x0000000, 0x000000},
84 {0, 0x0000000, 0x0000000, 0x000000},
85 {0, 0x0000000, 0x0000000, 0x000000},
86 {0, 0x0000000, 0x0000000, 0x000000},
87 {0, 0x0000000, 0x0000000, 0x000000},
88 {0, 0x0000000, 0x0000000, 0x000000},
89 {0, 0x0000000, 0x0000000, 0x000000},
90 {0, 0x0000000, 0x0000000, 0x000000},
91 {0, 0x0000000, 0x0000000, 0x000000},
92 {0, 0x0000000, 0x0000000, 0x000000},
93 {0, 0x0000000, 0x0000000, 0x000000},
94 {0, 0x0000000, 0x0000000, 0x000000},
95 {0, 0x0000000, 0x0000000, 0x000000},
96 {1, 0x09f0000, 0x09f2000, 0x176000} } },
97 {{{0, 0x0a00000, 0x0a02000, 0x178000}, /* 10: SQM2*/
98 {0, 0x0000000, 0x0000000, 0x000000},
99 {0, 0x0000000, 0x0000000, 0x000000},
100 {0, 0x0000000, 0x0000000, 0x000000},
101 {0, 0x0000000, 0x0000000, 0x000000},
102 {0, 0x0000000, 0x0000000, 0x000000},
103 {0, 0x0000000, 0x0000000, 0x000000},
104 {0, 0x0000000, 0x0000000, 0x000000},
105 {0, 0x0000000, 0x0000000, 0x000000},
106 {0, 0x0000000, 0x0000000, 0x000000},
107 {0, 0x0000000, 0x0000000, 0x000000},
108 {0, 0x0000000, 0x0000000, 0x000000},
109 {0, 0x0000000, 0x0000000, 0x000000},
110 {0, 0x0000000, 0x0000000, 0x000000},
111 {0, 0x0000000, 0x0000000, 0x000000},
112 {1, 0x0af0000, 0x0af2000, 0x17a000} } },
113 {{{0, 0x0b00000, 0x0b02000, 0x17c000}, /* 11: SQM3*/
114 {0, 0x0000000, 0x0000000, 0x000000},
115 {0, 0x0000000, 0x0000000, 0x000000},
116 {0, 0x0000000, 0x0000000, 0x000000},
117 {0, 0x0000000, 0x0000000, 0x000000},
118 {0, 0x0000000, 0x0000000, 0x000000},
119 {0, 0x0000000, 0x0000000, 0x000000},
120 {0, 0x0000000, 0x0000000, 0x000000},
121 {0, 0x0000000, 0x0000000, 0x000000},
122 {0, 0x0000000, 0x0000000, 0x000000},
123 {0, 0x0000000, 0x0000000, 0x000000},
124 {0, 0x0000000, 0x0000000, 0x000000},
125 {0, 0x0000000, 0x0000000, 0x000000},
126 {0, 0x0000000, 0x0000000, 0x000000},
127 {0, 0x0000000, 0x0000000, 0x000000},
128 {1, 0x0bf0000, 0x0bf2000, 0x17e000} } },
129 {{{1, 0x0c00000, 0x0c04000, 0x1d4000} } },/* 12: I2Q */
130 {{{1, 0x0d00000, 0x0d04000, 0x1a4000} } },/* 13: TMR */
131 {{{1, 0x0e00000, 0x0e04000, 0x1a0000} } },/* 14: ROMUSB */
132 {{{1, 0x0f00000, 0x0f01000, 0x164000} } },/* 15: PEG4 */
133 {{{0, 0x1000000, 0x1004000, 0x1a8000} } },/* 16: XDMA */
134 {{{1, 0x1100000, 0x1101000, 0x160000} } },/* 17: PEG0 */
135 {{{1, 0x1200000, 0x1201000, 0x161000} } },/* 18: PEG1 */
136 {{{1, 0x1300000, 0x1301000, 0x162000} } },/* 19: PEG2 */
137 {{{1, 0x1400000, 0x1401000, 0x163000} } },/* 20: PEG3 */
138 {{{1, 0x1500000, 0x1501000, 0x165000} } },/* 21: P2ND */
139 {{{1, 0x1600000, 0x1601000, 0x166000} } },/* 22: P2NI */
140 {{{0, 0, 0, 0} } }, /* 23: */
141 {{{0, 0, 0, 0} } }, /* 24: */
142 {{{0, 0, 0, 0} } }, /* 25: */
143 {{{0, 0, 0, 0} } }, /* 26: */
144 {{{0, 0, 0, 0} } }, /* 27: */
145 {{{0, 0, 0, 0} } }, /* 28: */
146 {{{1, 0x1d00000, 0x1d10000, 0x190000} } },/* 29: MS */
147 {{{1, 0x1e00000, 0x1e01000, 0x16a000} } },/* 30: P2NR2 */
148 {{{1, 0x1f00000, 0x1f10000, 0x150000} } },/* 31: EPG */
149 {{{0} } }, /* 32: PCI */
150 {{{1, 0x2100000, 0x2102000, 0x120000}, /* 33: PCIE */
151 {1, 0x2110000, 0x2120000, 0x130000},
152 {1, 0x2120000, 0x2122000, 0x124000},
153 {1, 0x2130000, 0x2132000, 0x126000},
154 {1, 0x2140000, 0x2142000, 0x128000},
155 {1, 0x2150000, 0x2152000, 0x12a000},
156 {1, 0x2160000, 0x2170000, 0x110000},
157 {1, 0x2170000, 0x2172000, 0x12e000},
158 {0, 0x0000000, 0x0000000, 0x000000},
159 {0, 0x0000000, 0x0000000, 0x000000},
160 {0, 0x0000000, 0x0000000, 0x000000},
161 {0, 0x0000000, 0x0000000, 0x000000},
162 {0, 0x0000000, 0x0000000, 0x000000},
163 {0, 0x0000000, 0x0000000, 0x000000},
164 {0, 0x0000000, 0x0000000, 0x000000},
165 {0, 0x0000000, 0x0000000, 0x000000} } },
166 {{{1, 0x2200000, 0x2204000, 0x1b0000} } },/* 34: CAM */
167 {{{0} } }, /* 35: */
168 {{{0} } }, /* 36: */
169 {{{0} } }, /* 37: */
170 {{{0} } }, /* 38: */
171 {{{0} } }, /* 39: */
172 {{{1, 0x2800000, 0x2804000, 0x1a4000} } },/* 40: TMR */
173 {{{1, 0x2900000, 0x2901000, 0x16b000} } },/* 41: P2NR3 */
174 {{{1, 0x2a00000, 0x2a00400, 0x1ac400} } },/* 42: RPMX1 */
175 {{{1, 0x2b00000, 0x2b00400, 0x1ac800} } },/* 43: RPMX2 */
176 {{{1, 0x2c00000, 0x2c00400, 0x1acc00} } },/* 44: RPMX3 */
177 {{{1, 0x2d00000, 0x2d00400, 0x1ad000} } },/* 45: RPMX4 */
178 {{{1, 0x2e00000, 0x2e00400, 0x1ad400} } },/* 46: RPMX5 */
179 {{{1, 0x2f00000, 0x2f00400, 0x1ad800} } },/* 47: RPMX6 */
180 {{{1, 0x3000000, 0x3000400, 0x1adc00} } },/* 48: RPMX7 */
181 {{{0, 0x3100000, 0x3104000, 0x1a8000} } },/* 49: XDMA */
182 {{{1, 0x3200000, 0x3204000, 0x1d4000} } },/* 50: I2Q */
183 {{{1, 0x3300000, 0x3304000, 0x1a0000} } },/* 51: ROMUSB */
184 {{{0} } }, /* 52: */
185 {{{1, 0x3500000, 0x3500400, 0x1ac000} } },/* 53: RPMX0 */
186 {{{1, 0x3600000, 0x3600400, 0x1ae000} } },/* 54: RPMX8 */
187 {{{1, 0x3700000, 0x3700400, 0x1ae400} } },/* 55: RPMX9 */
188 {{{1, 0x3800000, 0x3804000, 0x1d0000} } },/* 56: OCM0 */
189 {{{1, 0x3900000, 0x3904000, 0x1b4000} } },/* 57: CRYPTO */
190 {{{1, 0x3a00000, 0x3a04000, 0x1d8000} } },/* 58: SMB */
191 {{{0} } }, /* 59: I2C0 */
192 {{{0} } }, /* 60: I2C1 */
193 {{{1, 0x3d00000, 0x3d04000, 0x1d8000} } },/* 61: LPC */
194 {{{1, 0x3e00000, 0x3e01000, 0x167000} } },/* 62: P2NC */
195 {{{1, 0x3f00000, 0x3f01000, 0x168000} } } /* 63: P2NR0 */
196};
197
198/*
199 * top 12 bits of crb internal address (hub, agent)
200 */
201static const unsigned crb_hub_agt[64] = {
202 0,
203 QLCNIC_HW_CRB_HUB_AGT_ADR_PS,
204 QLCNIC_HW_CRB_HUB_AGT_ADR_MN,
205 QLCNIC_HW_CRB_HUB_AGT_ADR_MS,
206 0,
207 QLCNIC_HW_CRB_HUB_AGT_ADR_SRE,
208 QLCNIC_HW_CRB_HUB_AGT_ADR_NIU,
209 QLCNIC_HW_CRB_HUB_AGT_ADR_QMN,
210 QLCNIC_HW_CRB_HUB_AGT_ADR_SQN0,
211 QLCNIC_HW_CRB_HUB_AGT_ADR_SQN1,
212 QLCNIC_HW_CRB_HUB_AGT_ADR_SQN2,
213 QLCNIC_HW_CRB_HUB_AGT_ADR_SQN3,
214 QLCNIC_HW_CRB_HUB_AGT_ADR_I2Q,
215 QLCNIC_HW_CRB_HUB_AGT_ADR_TIMR,
216 QLCNIC_HW_CRB_HUB_AGT_ADR_ROMUSB,
217 QLCNIC_HW_CRB_HUB_AGT_ADR_PGN4,
218 QLCNIC_HW_CRB_HUB_AGT_ADR_XDMA,
219 QLCNIC_HW_CRB_HUB_AGT_ADR_PGN0,
220 QLCNIC_HW_CRB_HUB_AGT_ADR_PGN1,
221 QLCNIC_HW_CRB_HUB_AGT_ADR_PGN2,
222 QLCNIC_HW_CRB_HUB_AGT_ADR_PGN3,
223 QLCNIC_HW_CRB_HUB_AGT_ADR_PGND,
224 QLCNIC_HW_CRB_HUB_AGT_ADR_PGNI,
225 QLCNIC_HW_CRB_HUB_AGT_ADR_PGS0,
226 QLCNIC_HW_CRB_HUB_AGT_ADR_PGS1,
227 QLCNIC_HW_CRB_HUB_AGT_ADR_PGS2,
228 QLCNIC_HW_CRB_HUB_AGT_ADR_PGS3,
229 0,
230 QLCNIC_HW_CRB_HUB_AGT_ADR_PGSI,
231 QLCNIC_HW_CRB_HUB_AGT_ADR_SN,
232 0,
233 QLCNIC_HW_CRB_HUB_AGT_ADR_EG,
234 0,
235 QLCNIC_HW_CRB_HUB_AGT_ADR_PS,
236 QLCNIC_HW_CRB_HUB_AGT_ADR_CAM,
237 0,
238 0,
239 0,
240 0,
241 0,
242 QLCNIC_HW_CRB_HUB_AGT_ADR_TIMR,
243 0,
244 QLCNIC_HW_CRB_HUB_AGT_ADR_RPMX1,
245 QLCNIC_HW_CRB_HUB_AGT_ADR_RPMX2,
246 QLCNIC_HW_CRB_HUB_AGT_ADR_RPMX3,
247 QLCNIC_HW_CRB_HUB_AGT_ADR_RPMX4,
248 QLCNIC_HW_CRB_HUB_AGT_ADR_RPMX5,
249 QLCNIC_HW_CRB_HUB_AGT_ADR_RPMX6,
250 QLCNIC_HW_CRB_HUB_AGT_ADR_RPMX7,
251 QLCNIC_HW_CRB_HUB_AGT_ADR_XDMA,
252 QLCNIC_HW_CRB_HUB_AGT_ADR_I2Q,
253 QLCNIC_HW_CRB_HUB_AGT_ADR_ROMUSB,
254 0,
255 QLCNIC_HW_CRB_HUB_AGT_ADR_RPMX0,
256 QLCNIC_HW_CRB_HUB_AGT_ADR_RPMX8,
257 QLCNIC_HW_CRB_HUB_AGT_ADR_RPMX9,
258 QLCNIC_HW_CRB_HUB_AGT_ADR_OCM0,
259 0,
260 QLCNIC_HW_CRB_HUB_AGT_ADR_SMB,
261 QLCNIC_HW_CRB_HUB_AGT_ADR_I2C0,
262 QLCNIC_HW_CRB_HUB_AGT_ADR_I2C1,
263 0,
264 QLCNIC_HW_CRB_HUB_AGT_ADR_PGNC,
265 0,
266};
267
268/* PCI Windowing for DDR regions. */
269
270#define QLCNIC_PCIE_SEM_TIMEOUT 10000
271
272int
273qlcnic_pcie_sem_lock(struct qlcnic_adapter *adapter, int sem, u32 id_reg)
274{
275 int done = 0, timeout = 0;
276
277 while (!done) {
278 done = QLCRD32(adapter, QLCNIC_PCIE_REG(PCIE_SEM_LOCK(sem)));
279 if (done == 1)
280 break;
Amit Kumar Salecha65b5b422010-04-01 19:01:33 +0000281 if (++timeout >= QLCNIC_PCIE_SEM_TIMEOUT) {
282 dev_err(&adapter->pdev->dev,
Sucheta Chakraborty091754a2010-08-19 05:08:32 +0000283 "Failed to acquire sem=%d lock; holdby=%d\n",
284 sem, id_reg ? QLCRD32(adapter, id_reg) : -1);
Amit Kumar Salechaaf19b492010-01-13 00:37:25 +0000285 return -EIO;
Amit Kumar Salecha65b5b422010-04-01 19:01:33 +0000286 }
Amit Kumar Salechaaf19b492010-01-13 00:37:25 +0000287 msleep(1);
288 }
289
290 if (id_reg)
291 QLCWR32(adapter, id_reg, adapter->portnum);
292
293 return 0;
294}
295
296void
297qlcnic_pcie_sem_unlock(struct qlcnic_adapter *adapter, int sem)
298{
299 QLCRD32(adapter, QLCNIC_PCIE_REG(PCIE_SEM_UNLOCK(sem)));
300}
301
302static int
303qlcnic_send_cmd_descs(struct qlcnic_adapter *adapter,
304 struct cmd_desc_type0 *cmd_desc_arr, int nr_desc)
305{
306 u32 i, producer, consumer;
307 struct qlcnic_cmd_buffer *pbuf;
308 struct cmd_desc_type0 *cmd_desc;
309 struct qlcnic_host_tx_ring *tx_ring;
310
311 i = 0;
312
Amit Kumar Salecha8a15ad12010-06-22 03:19:01 +0000313 if (!test_bit(__QLCNIC_FW_ATTACHED, &adapter->state))
Amit Kumar Salechaaf19b492010-01-13 00:37:25 +0000314 return -EIO;
315
316 tx_ring = adapter->tx_ring;
317 __netif_tx_lock_bh(tx_ring->txq);
318
319 producer = tx_ring->producer;
320 consumer = tx_ring->sw_consumer;
321
322 if (nr_desc >= qlcnic_tx_avail(tx_ring)) {
323 netif_tx_stop_queue(tx_ring->txq);
Rajesh K Borundiaef71ff82010-06-17 02:56:41 +0000324 smp_mb();
325 if (qlcnic_tx_avail(tx_ring) > nr_desc) {
326 if (qlcnic_tx_avail(tx_ring) > TX_STOP_THRESH)
327 netif_tx_wake_queue(tx_ring->txq);
328 } else {
329 adapter->stats.xmit_off++;
330 __netif_tx_unlock_bh(tx_ring->txq);
331 return -EBUSY;
332 }
Amit Kumar Salechaaf19b492010-01-13 00:37:25 +0000333 }
334
335 do {
336 cmd_desc = &cmd_desc_arr[i];
337
338 pbuf = &tx_ring->cmd_buf_arr[producer];
339 pbuf->skb = NULL;
340 pbuf->frag_count = 0;
341
342 memcpy(&tx_ring->desc_head[producer],
343 &cmd_desc_arr[i], sizeof(struct cmd_desc_type0));
344
345 producer = get_next_index(producer, tx_ring->num_desc);
346 i++;
347
348 } while (i != nr_desc);
349
350 tx_ring->producer = producer;
351
352 qlcnic_update_cmd_producer(adapter, tx_ring);
353
354 __netif_tx_unlock_bh(tx_ring->txq);
355
356 return 0;
357}
358
359static int
360qlcnic_sre_macaddr_change(struct qlcnic_adapter *adapter, u8 *addr,
Sucheta Chakraborty7e56cac2010-10-04 04:20:13 +0000361 __le16 vlan_id, unsigned op)
Amit Kumar Salechaaf19b492010-01-13 00:37:25 +0000362{
363 struct qlcnic_nic_req req;
364 struct qlcnic_mac_req *mac_req;
Sucheta Chakraborty7e56cac2010-10-04 04:20:13 +0000365 struct qlcnic_vlan_req *vlan_req;
Amit Kumar Salechaaf19b492010-01-13 00:37:25 +0000366 u64 word;
367
368 memset(&req, 0, sizeof(struct qlcnic_nic_req));
369 req.qhdr = cpu_to_le64(QLCNIC_REQUEST << 23);
370
371 word = QLCNIC_MAC_EVENT | ((u64)adapter->portnum << 16);
372 req.req_hdr = cpu_to_le64(word);
373
374 mac_req = (struct qlcnic_mac_req *)&req.words[0];
375 mac_req->op = op;
376 memcpy(mac_req->mac_addr, addr, 6);
377
Sucheta Chakraborty7e56cac2010-10-04 04:20:13 +0000378 vlan_req = (struct qlcnic_vlan_req *)&req.words[1];
379 vlan_req->vlan_id = vlan_id;
Amit Kumar Salecha03c5d772010-08-31 17:17:52 +0000380
Amit Kumar Salechaaf19b492010-01-13 00:37:25 +0000381 return qlcnic_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1);
382}
383
Joe Perches215faf92010-12-21 02:16:10 -0800384static int qlcnic_nic_add_mac(struct qlcnic_adapter *adapter, const u8 *addr)
Amit Kumar Salechaaf19b492010-01-13 00:37:25 +0000385{
386 struct list_head *head;
387 struct qlcnic_mac_list_s *cur;
388
389 /* look up if already exists */
Sucheta Chakraborty9ab17b32010-03-08 00:14:47 +0000390 list_for_each(head, &adapter->mac_list) {
Amit Kumar Salechaaf19b492010-01-13 00:37:25 +0000391 cur = list_entry(head, struct qlcnic_mac_list_s, list);
Sucheta Chakraborty9ab17b32010-03-08 00:14:47 +0000392 if (memcmp(addr, cur->mac_addr, ETH_ALEN) == 0)
Amit Kumar Salechaaf19b492010-01-13 00:37:25 +0000393 return 0;
Amit Kumar Salechaaf19b492010-01-13 00:37:25 +0000394 }
395
396 cur = kzalloc(sizeof(struct qlcnic_mac_list_s), GFP_ATOMIC);
397 if (cur == NULL) {
398 dev_err(&adapter->netdev->dev,
399 "failed to add mac address filter\n");
400 return -ENOMEM;
401 }
402 memcpy(cur->mac_addr, addr, ETH_ALEN);
Amit Kumar Salechaaf19b492010-01-13 00:37:25 +0000403
Amit Kumar Salecha42f65cb2010-06-22 03:19:00 +0000404 if (qlcnic_sre_macaddr_change(adapter,
Amit Kumar Salecha03c5d772010-08-31 17:17:52 +0000405 cur->mac_addr, 0, QLCNIC_MAC_ADD)) {
Amit Kumar Salecha42f65cb2010-06-22 03:19:00 +0000406 kfree(cur);
407 return -EIO;
408 }
409
410 list_add_tail(&cur->list, &adapter->mac_list);
411 return 0;
Amit Kumar Salechaaf19b492010-01-13 00:37:25 +0000412}
413
414void qlcnic_set_multi(struct net_device *netdev)
415{
416 struct qlcnic_adapter *adapter = netdev_priv(netdev);
Jiri Pirko22bedad32010-04-01 21:22:57 +0000417 struct netdev_hw_addr *ha;
Joe Perches215faf92010-12-21 02:16:10 -0800418 static const u8 bcast_addr[ETH_ALEN] = {
419 0xff, 0xff, 0xff, 0xff, 0xff, 0xff
420 };
Amit Kumar Salechaaf19b492010-01-13 00:37:25 +0000421 u32 mode = VPORT_MISS_MODE_DROP;
Amit Kumar Salechaaf19b492010-01-13 00:37:25 +0000422
Amit Kumar Salecha8a15ad12010-06-22 03:19:01 +0000423 if (!test_bit(__QLCNIC_FW_ATTACHED, &adapter->state))
Amit Kumar Salechaa55cb182010-04-07 16:51:49 -0700424 return;
425
Sucheta Chakraborty9ab17b32010-03-08 00:14:47 +0000426 qlcnic_nic_add_mac(adapter, adapter->mac_addr);
427 qlcnic_nic_add_mac(adapter, bcast_addr);
Amit Kumar Salechaaf19b492010-01-13 00:37:25 +0000428
429 if (netdev->flags & IFF_PROMISC) {
Rajesh Borundiaee07c1a2010-10-07 23:46:09 +0000430 if (!(adapter->flags & QLCNIC_PROMISC_DISABLED))
431 mode = VPORT_MISS_MODE_ACCEPT_ALL;
Amit Kumar Salechaaf19b492010-01-13 00:37:25 +0000432 goto send_fw_cmd;
433 }
434
435 if ((netdev->flags & IFF_ALLMULTI) ||
Jiri Pirko4cd24ea2010-02-08 04:30:35 +0000436 (netdev_mc_count(netdev) > adapter->max_mc_count)) {
Amit Kumar Salechaaf19b492010-01-13 00:37:25 +0000437 mode = VPORT_MISS_MODE_ACCEPT_MULTI;
438 goto send_fw_cmd;
439 }
440
Jiri Pirko4cd24ea2010-02-08 04:30:35 +0000441 if (!netdev_mc_empty(netdev)) {
Jiri Pirko22bedad32010-04-01 21:22:57 +0000442 netdev_for_each_mc_addr(ha, netdev) {
443 qlcnic_nic_add_mac(adapter, ha->addr);
Amit Kumar Salechaaf19b492010-01-13 00:37:25 +0000444 }
445 }
446
447send_fw_cmd:
448 qlcnic_nic_set_promisc(adapter, mode);
Amit Kumar Salechaaf19b492010-01-13 00:37:25 +0000449}
450
451int qlcnic_nic_set_promisc(struct qlcnic_adapter *adapter, u32 mode)
452{
453 struct qlcnic_nic_req req;
454 u64 word;
455
456 memset(&req, 0, sizeof(struct qlcnic_nic_req));
457
458 req.qhdr = cpu_to_le64(QLCNIC_HOST_REQUEST << 23);
459
Anirban Chakrabortyb1fc6d32011-04-01 14:28:05 +0000460 word = QLCNIC_H2C_OPCODE_SET_MAC_RECEIVE_MODE |
Amit Kumar Salechaaf19b492010-01-13 00:37:25 +0000461 ((u64)adapter->portnum << 16);
462 req.req_hdr = cpu_to_le64(word);
463
464 req.words[0] = cpu_to_le64(mode);
465
466 return qlcnic_send_cmd_descs(adapter,
467 (struct cmd_desc_type0 *)&req, 1);
468}
469
470void qlcnic_free_mac_list(struct qlcnic_adapter *adapter)
471{
472 struct qlcnic_mac_list_s *cur;
473 struct list_head *head = &adapter->mac_list;
474
475 while (!list_empty(head)) {
476 cur = list_entry(head->next, struct qlcnic_mac_list_s, list);
477 qlcnic_sre_macaddr_change(adapter,
Amit Kumar Salecha03c5d772010-08-31 17:17:52 +0000478 cur->mac_addr, 0, QLCNIC_MAC_DEL);
Amit Kumar Salechaaf19b492010-01-13 00:37:25 +0000479 list_del(&cur->list);
480 kfree(cur);
481 }
482}
483
Amit Kumar Salechab5e54922010-08-31 17:17:51 +0000484void qlcnic_prune_lb_filters(struct qlcnic_adapter *adapter)
485{
486 struct qlcnic_filter *tmp_fil;
487 struct hlist_node *tmp_hnode, *n;
488 struct hlist_head *head;
489 int i;
490
491 for (i = 0; i < adapter->fhash.fmax; i++) {
492 head = &(adapter->fhash.fhead[i]);
493
494 hlist_for_each_entry_safe(tmp_fil, tmp_hnode, n, head, fnode)
495 {
496 if (jiffies >
497 (QLCNIC_FILTER_AGE * HZ + tmp_fil->ftime)) {
498 qlcnic_sre_macaddr_change(adapter,
Amit Kumar Salecha03c5d772010-08-31 17:17:52 +0000499 tmp_fil->faddr, tmp_fil->vlan_id,
500 tmp_fil->vlan_id ? QLCNIC_MAC_VLAN_DEL :
501 QLCNIC_MAC_DEL);
Amit Kumar Salechab5e54922010-08-31 17:17:51 +0000502 spin_lock_bh(&adapter->mac_learn_lock);
503 adapter->fhash.fnum--;
504 hlist_del(&tmp_fil->fnode);
505 spin_unlock_bh(&adapter->mac_learn_lock);
506 kfree(tmp_fil);
507 }
508 }
509 }
510}
511
512void qlcnic_delete_lb_filters(struct qlcnic_adapter *adapter)
513{
514 struct qlcnic_filter *tmp_fil;
515 struct hlist_node *tmp_hnode, *n;
516 struct hlist_head *head;
517 int i;
518
519 for (i = 0; i < adapter->fhash.fmax; i++) {
520 head = &(adapter->fhash.fhead[i]);
521
522 hlist_for_each_entry_safe(tmp_fil, tmp_hnode, n, head, fnode) {
Amit Kumar Salecha03c5d772010-08-31 17:17:52 +0000523 qlcnic_sre_macaddr_change(adapter, tmp_fil->faddr,
524 tmp_fil->vlan_id, tmp_fil->vlan_id ?
525 QLCNIC_MAC_VLAN_DEL : QLCNIC_MAC_DEL);
Amit Kumar Salechab5e54922010-08-31 17:17:51 +0000526 spin_lock_bh(&adapter->mac_learn_lock);
527 adapter->fhash.fnum--;
528 hlist_del(&tmp_fil->fnode);
529 spin_unlock_bh(&adapter->mac_learn_lock);
530 kfree(tmp_fil);
531 }
532 }
533}
534
Amit Kumar Salechaaf19b492010-01-13 00:37:25 +0000535/*
536 * Send the interrupt coalescing parameter set by ethtool to the card.
537 */
538int qlcnic_config_intr_coalesce(struct qlcnic_adapter *adapter)
539{
540 struct qlcnic_nic_req req;
Anirban Chakraborty8816d002011-04-01 14:28:21 +0000541 int rv;
Amit Kumar Salechaaf19b492010-01-13 00:37:25 +0000542
543 memset(&req, 0, sizeof(struct qlcnic_nic_req));
544
545 req.qhdr = cpu_to_le64(QLCNIC_HOST_REQUEST << 23);
546
Anirban Chakraborty8816d002011-04-01 14:28:21 +0000547 req.req_hdr = cpu_to_le64(QLCNIC_CONFIG_INTR_COALESCE |
548 ((u64) adapter->portnum << 16));
Amit Kumar Salechaaf19b492010-01-13 00:37:25 +0000549
Anirban Chakraborty8816d002011-04-01 14:28:21 +0000550 req.words[0] = cpu_to_le64(((u64) adapter->ahw->coal.flag) << 32);
551 req.words[2] = cpu_to_le64(adapter->ahw->coal.rx_packets |
552 ((u64) adapter->ahw->coal.rx_time_us) << 16);
553 req.words[5] = cpu_to_le64(adapter->ahw->coal.timer_out |
554 ((u64) adapter->ahw->coal.type) << 32 |
555 ((u64) adapter->ahw->coal.sts_ring_mask) << 40);
Amit Kumar Salechaaf19b492010-01-13 00:37:25 +0000556 rv = qlcnic_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1);
557 if (rv != 0)
558 dev_err(&adapter->netdev->dev,
559 "Could not send interrupt coalescing parameters\n");
Amit Kumar Salechaaf19b492010-01-13 00:37:25 +0000560 return rv;
561}
562
563int qlcnic_config_hw_lro(struct qlcnic_adapter *adapter, int enable)
564{
565 struct qlcnic_nic_req req;
566 u64 word;
567 int rv;
568
Rajesh Borundiab56421d2011-04-01 14:28:31 +0000569 if (!test_bit(__QLCNIC_FW_ATTACHED, &adapter->state))
570 return 0;
571
Amit Kumar Salechaaf19b492010-01-13 00:37:25 +0000572 memset(&req, 0, sizeof(struct qlcnic_nic_req));
573
574 req.qhdr = cpu_to_le64(QLCNIC_HOST_REQUEST << 23);
575
576 word = QLCNIC_H2C_OPCODE_CONFIG_HW_LRO | ((u64)adapter->portnum << 16);
577 req.req_hdr = cpu_to_le64(word);
578
579 req.words[0] = cpu_to_le64(enable);
580
581 rv = qlcnic_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1);
582 if (rv != 0)
583 dev_err(&adapter->netdev->dev,
584 "Could not send configure hw lro request\n");
585
Amit Kumar Salechaaf19b492010-01-13 00:37:25 +0000586 return rv;
587}
588
Anirban Chakraborty2e9d7222010-06-01 11:28:51 +0000589int qlcnic_config_bridged_mode(struct qlcnic_adapter *adapter, u32 enable)
Amit Kumar Salechaaf19b492010-01-13 00:37:25 +0000590{
591 struct qlcnic_nic_req req;
592 u64 word;
593 int rv;
594
595 if (!!(adapter->flags & QLCNIC_BRIDGE_ENABLED) == enable)
596 return 0;
597
598 memset(&req, 0, sizeof(struct qlcnic_nic_req));
599
600 req.qhdr = cpu_to_le64(QLCNIC_HOST_REQUEST << 23);
601
602 word = QLCNIC_H2C_OPCODE_CONFIG_BRIDGING |
603 ((u64)adapter->portnum << 16);
604 req.req_hdr = cpu_to_le64(word);
605
606 req.words[0] = cpu_to_le64(enable);
607
608 rv = qlcnic_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1);
609 if (rv != 0)
610 dev_err(&adapter->netdev->dev,
611 "Could not send configure bridge mode request\n");
612
613 adapter->flags ^= QLCNIC_BRIDGE_ENABLED;
614
615 return rv;
616}
617
618
619#define RSS_HASHTYPE_IP_TCP 0x3
620
621int qlcnic_config_rss(struct qlcnic_adapter *adapter, int enable)
622{
623 struct qlcnic_nic_req req;
624 u64 word;
625 int i, rv;
626
Joe Perches215faf92010-12-21 02:16:10 -0800627 static const u64 key[] = {
628 0xbeac01fa6a42b73bULL, 0x8030f20c77cb2da3ULL,
629 0xae7b30b4d0ca2bcbULL, 0x43a38fb04167253dULL,
630 0x255b0ec26d5a56daULL
631 };
Amit Kumar Salechaaf19b492010-01-13 00:37:25 +0000632
633 memset(&req, 0, sizeof(struct qlcnic_nic_req));
634 req.qhdr = cpu_to_le64(QLCNIC_HOST_REQUEST << 23);
635
636 word = QLCNIC_H2C_OPCODE_CONFIG_RSS | ((u64)adapter->portnum << 16);
637 req.req_hdr = cpu_to_le64(word);
638
639 /*
640 * RSS request:
641 * bits 3-0: hash_method
642 * 5-4: hash_type_ipv4
643 * 7-6: hash_type_ipv6
644 * 8: enable
645 * 9: use indirection table
646 * 47-10: reserved
647 * 63-48: indirection table mask
648 */
649 word = ((u64)(RSS_HASHTYPE_IP_TCP & 0x3) << 4) |
650 ((u64)(RSS_HASHTYPE_IP_TCP & 0x3) << 6) |
651 ((u64)(enable & 0x1) << 8) |
652 ((0x7ULL) << 48);
653 req.words[0] = cpu_to_le64(word);
654 for (i = 0; i < 5; i++)
655 req.words[i+1] = cpu_to_le64(key[i]);
656
657 rv = qlcnic_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1);
658 if (rv != 0)
659 dev_err(&adapter->netdev->dev, "could not configure RSS\n");
660
661 return rv;
662}
663
Sucheta Chakrabortyb5015952010-10-04 04:20:12 +0000664int qlcnic_config_ipaddr(struct qlcnic_adapter *adapter, __be32 ip, int cmd)
Amit Kumar Salechaaf19b492010-01-13 00:37:25 +0000665{
666 struct qlcnic_nic_req req;
Sucheta Chakrabortyb5015952010-10-04 04:20:12 +0000667 struct qlcnic_ipaddr *ipa;
Amit Kumar Salechaaf19b492010-01-13 00:37:25 +0000668 u64 word;
669 int rv;
670
671 memset(&req, 0, sizeof(struct qlcnic_nic_req));
672 req.qhdr = cpu_to_le64(QLCNIC_HOST_REQUEST << 23);
673
674 word = QLCNIC_H2C_OPCODE_CONFIG_IPADDR | ((u64)adapter->portnum << 16);
675 req.req_hdr = cpu_to_le64(word);
676
677 req.words[0] = cpu_to_le64(cmd);
Sucheta Chakrabortyb5015952010-10-04 04:20:12 +0000678 ipa = (struct qlcnic_ipaddr *)&req.words[1];
679 ipa->ipv4 = ip;
Amit Kumar Salechaaf19b492010-01-13 00:37:25 +0000680
681 rv = qlcnic_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1);
682 if (rv != 0)
683 dev_err(&adapter->netdev->dev,
684 "could not notify %s IP 0x%x reuqest\n",
685 (cmd == QLCNIC_IP_UP) ? "Add" : "Remove", ip);
686
687 return rv;
688}
689
690int qlcnic_linkevent_request(struct qlcnic_adapter *adapter, int enable)
691{
692 struct qlcnic_nic_req req;
693 u64 word;
694 int rv;
695
696 memset(&req, 0, sizeof(struct qlcnic_nic_req));
697 req.qhdr = cpu_to_le64(QLCNIC_HOST_REQUEST << 23);
698
699 word = QLCNIC_H2C_OPCODE_GET_LINKEVENT | ((u64)adapter->portnum << 16);
700 req.req_hdr = cpu_to_le64(word);
701 req.words[0] = cpu_to_le64(enable | (enable << 8));
702
703 rv = qlcnic_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1);
704 if (rv != 0)
705 dev_err(&adapter->netdev->dev,
706 "could not configure link notification\n");
707
708 return rv;
709}
710
711int qlcnic_send_lro_cleanup(struct qlcnic_adapter *adapter)
712{
713 struct qlcnic_nic_req req;
714 u64 word;
715 int rv;
716
Rajesh Borundiab56421d2011-04-01 14:28:31 +0000717 if (!test_bit(__QLCNIC_FW_ATTACHED, &adapter->state))
718 return 0;
719
Amit Kumar Salechaaf19b492010-01-13 00:37:25 +0000720 memset(&req, 0, sizeof(struct qlcnic_nic_req));
721 req.qhdr = cpu_to_le64(QLCNIC_HOST_REQUEST << 23);
722
723 word = QLCNIC_H2C_OPCODE_LRO_REQUEST |
724 ((u64)adapter->portnum << 16) |
725 ((u64)QLCNIC_LRO_REQUEST_CLEANUP << 56) ;
726
727 req.req_hdr = cpu_to_le64(word);
728
729 rv = qlcnic_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1);
730 if (rv != 0)
731 dev_err(&adapter->netdev->dev,
732 "could not cleanup lro flows\n");
733
734 return rv;
735}
736
737/*
738 * qlcnic_change_mtu - Change the Maximum Transfer Unit
739 * @returns 0 on success, negative on failure
740 */
741
742int qlcnic_change_mtu(struct net_device *netdev, int mtu)
743{
744 struct qlcnic_adapter *adapter = netdev_priv(netdev);
745 int rc = 0;
746
Sritej Velagaff1b1bf82010-10-07 23:46:10 +0000747 if (mtu < P3P_MIN_MTU || mtu > P3P_MAX_MTU) {
Sritej Velaga0bd9e6a2010-10-04 04:20:16 +0000748 dev_err(&adapter->netdev->dev, "%d bytes < mtu < %d bytes"
Sritej Velagaff1b1bf82010-10-07 23:46:10 +0000749 " not supported\n", P3P_MAX_MTU, P3P_MIN_MTU);
Amit Kumar Salechaaf19b492010-01-13 00:37:25 +0000750 return -EINVAL;
751 }
752
753 rc = qlcnic_fw_cmd_set_mtu(adapter, mtu);
754
755 if (!rc)
756 netdev->mtu = mtu;
757
758 return rc;
759}
760
Michał Mirosław135d84a2011-04-19 03:03:57 +0000761
762u32 qlcnic_fix_features(struct net_device *netdev, u32 features)
763{
764 struct qlcnic_adapter *adapter = netdev_priv(netdev);
765
766 if ((adapter->flags & QLCNIC_ESWITCH_ENABLED)) {
767 u32 changed = features ^ netdev->features;
768 features ^= changed & (NETIF_F_ALL_CSUM | NETIF_F_RXCSUM);
769 }
770
771 if (!(features & NETIF_F_RXCSUM))
772 features &= ~NETIF_F_LRO;
773
774 return features;
775}
776
777
778int qlcnic_set_features(struct net_device *netdev, u32 features)
779{
780 struct qlcnic_adapter *adapter = netdev_priv(netdev);
781 u32 changed = netdev->features ^ features;
782 int hw_lro = (features & NETIF_F_LRO) ? QLCNIC_LRO_ENABLED : 0;
783
784 if (!(changed & NETIF_F_LRO))
785 return 0;
786
787 netdev->features = features ^ NETIF_F_LRO;
788
789 if (qlcnic_config_hw_lro(adapter, hw_lro))
790 return -EIO;
791
792 if ((hw_lro == 0) && qlcnic_send_lro_cleanup(adapter))
793 return -EIO;
794
795 return 0;
796}
797
Amit Kumar Salechaaf19b492010-01-13 00:37:25 +0000798/*
799 * Changes the CRB window to the specified window.
800 */
801 /* Returns < 0 if off is not valid,
802 * 1 if window access is needed. 'off' is set to offset from
803 * CRB space in 128M pci map
804 * 0 if no window access is needed. 'off' is set to 2M addr
805 * In: 'off' is offset from base in 128M pci map
806 */
807static int
808qlcnic_pci_get_crb_addr_2M(struct qlcnic_adapter *adapter,
809 ulong off, void __iomem **addr)
810{
811 const struct crb_128M_2M_sub_block_map *m;
812
813 if ((off >= QLCNIC_CRB_MAX) || (off < QLCNIC_PCI_CRBSPACE))
814 return -EINVAL;
815
816 off -= QLCNIC_PCI_CRBSPACE;
817
818 /*
819 * Try direct map
820 */
821 m = &crb_128M_2M_map[CRB_BLK(off)].sub_block[CRB_SUBBLK(off)];
822
823 if (m->valid && (m->start_128M <= off) && (m->end_128M > off)) {
Anirban Chakrabortyb1fc6d32011-04-01 14:28:05 +0000824 *addr = adapter->ahw->pci_base0 + m->start_2M +
Amit Kumar Salechaaf19b492010-01-13 00:37:25 +0000825 (off - m->start_128M);
826 return 0;
827 }
828
829 /*
830 * Not in direct map, use crb window
831 */
Anirban Chakrabortyb1fc6d32011-04-01 14:28:05 +0000832 *addr = adapter->ahw->pci_base0 + CRB_INDIRECT_2M + (off & MASK(16));
Amit Kumar Salechaaf19b492010-01-13 00:37:25 +0000833 return 1;
834}
835
836/*
837 * In: 'off' is offset from CRB space in 128M pci map
838 * Out: 'off' is 2M pci map addr
839 * side effect: lock crb window
840 */
Amit Kumar Salecha4de57822010-06-17 02:56:42 +0000841static int
Amit Kumar Salechaaf19b492010-01-13 00:37:25 +0000842qlcnic_pci_set_crbwindow_2M(struct qlcnic_adapter *adapter, ulong off)
843{
844 u32 window;
Anirban Chakrabortyb1fc6d32011-04-01 14:28:05 +0000845 void __iomem *addr = adapter->ahw->pci_base0 + CRB_WINDOW_2M;
Amit Kumar Salechaaf19b492010-01-13 00:37:25 +0000846
847 off -= QLCNIC_PCI_CRBSPACE;
848
849 window = CRB_HI(off);
Amit Kumar Salecha4de57822010-06-17 02:56:42 +0000850 if (window == 0) {
851 dev_err(&adapter->pdev->dev, "Invalid offset 0x%lx\n", off);
852 return -EIO;
853 }
Amit Kumar Salechaaf19b492010-01-13 00:37:25 +0000854
Amit Kumar Salechaaf19b492010-01-13 00:37:25 +0000855 writel(window, addr);
856 if (readl(addr) != window) {
857 if (printk_ratelimit())
858 dev_warn(&adapter->pdev->dev,
859 "failed to set CRB window to %d off 0x%lx\n",
860 window, off);
Amit Kumar Salecha4de57822010-06-17 02:56:42 +0000861 return -EIO;
Amit Kumar Salechaaf19b492010-01-13 00:37:25 +0000862 }
Amit Kumar Salecha4de57822010-06-17 02:56:42 +0000863 return 0;
Amit Kumar Salechaaf19b492010-01-13 00:37:25 +0000864}
865
866int
867qlcnic_hw_write_wx_2M(struct qlcnic_adapter *adapter, ulong off, u32 data)
868{
869 unsigned long flags;
870 int rv;
871 void __iomem *addr = NULL;
872
873 rv = qlcnic_pci_get_crb_addr_2M(adapter, off, &addr);
874
875 if (rv == 0) {
876 writel(data, addr);
877 return 0;
878 }
879
880 if (rv > 0) {
881 /* indirect access */
Anirban Chakrabortyb1fc6d32011-04-01 14:28:05 +0000882 write_lock_irqsave(&adapter->ahw->crb_lock, flags);
Amit Kumar Salechaaf19b492010-01-13 00:37:25 +0000883 crb_win_lock(adapter);
Amit Kumar Salecha4de57822010-06-17 02:56:42 +0000884 rv = qlcnic_pci_set_crbwindow_2M(adapter, off);
885 if (!rv)
886 writel(data, addr);
Amit Kumar Salechaaf19b492010-01-13 00:37:25 +0000887 crb_win_unlock(adapter);
Anirban Chakrabortyb1fc6d32011-04-01 14:28:05 +0000888 write_unlock_irqrestore(&adapter->ahw->crb_lock, flags);
Amit Kumar Salecha4de57822010-06-17 02:56:42 +0000889 return rv;
Amit Kumar Salechaaf19b492010-01-13 00:37:25 +0000890 }
891
892 dev_err(&adapter->pdev->dev,
893 "%s: invalid offset: 0x%016lx\n", __func__, off);
894 dump_stack();
895 return -EIO;
896}
897
898u32
899qlcnic_hw_read_wx_2M(struct qlcnic_adapter *adapter, ulong off)
900{
901 unsigned long flags;
902 int rv;
Amit Kumar Salecha4de57822010-06-17 02:56:42 +0000903 u32 data = -1;
Amit Kumar Salechaaf19b492010-01-13 00:37:25 +0000904 void __iomem *addr = NULL;
905
906 rv = qlcnic_pci_get_crb_addr_2M(adapter, off, &addr);
907
908 if (rv == 0)
909 return readl(addr);
910
911 if (rv > 0) {
912 /* indirect access */
Anirban Chakrabortyb1fc6d32011-04-01 14:28:05 +0000913 write_lock_irqsave(&adapter->ahw->crb_lock, flags);
Amit Kumar Salechaaf19b492010-01-13 00:37:25 +0000914 crb_win_lock(adapter);
Amit Kumar Salecha4de57822010-06-17 02:56:42 +0000915 if (!qlcnic_pci_set_crbwindow_2M(adapter, off))
916 data = readl(addr);
Amit Kumar Salechaaf19b492010-01-13 00:37:25 +0000917 crb_win_unlock(adapter);
Anirban Chakrabortyb1fc6d32011-04-01 14:28:05 +0000918 write_unlock_irqrestore(&adapter->ahw->crb_lock, flags);
Amit Kumar Salechaaf19b492010-01-13 00:37:25 +0000919 return data;
920 }
921
922 dev_err(&adapter->pdev->dev,
923 "%s: invalid offset: 0x%016lx\n", __func__, off);
924 dump_stack();
925 return -1;
926}
927
928
929void __iomem *
930qlcnic_get_ioaddr(struct qlcnic_adapter *adapter, u32 offset)
931{
932 void __iomem *addr = NULL;
933
934 WARN_ON(qlcnic_pci_get_crb_addr_2M(adapter, offset, &addr));
935
936 return addr;
937}
938
939
940static int
941qlcnic_pci_set_window_2M(struct qlcnic_adapter *adapter,
942 u64 addr, u32 *start)
943{
944 u32 window;
Amit Kumar Salechaaf19b492010-01-13 00:37:25 +0000945
946 window = OCM_WIN_P3P(addr);
947
Anirban Chakrabortyb1fc6d32011-04-01 14:28:05 +0000948 writel(window, adapter->ahw->ocm_win_crb);
Amit Kumar Salechaaf19b492010-01-13 00:37:25 +0000949 /* read back to flush */
Anirban Chakrabortyb1fc6d32011-04-01 14:28:05 +0000950 readl(adapter->ahw->ocm_win_crb);
Amit Kumar Salechaaf19b492010-01-13 00:37:25 +0000951
Amit Kumar Salechaaf19b492010-01-13 00:37:25 +0000952 *start = QLCNIC_PCI_OCM0_2M + GET_MEM_OFFS_2M(addr);
953 return 0;
954}
955
956static int
957qlcnic_pci_mem_access_direct(struct qlcnic_adapter *adapter, u64 off,
958 u64 *data, int op)
959{
Dhananjay Phadke0c39aa42010-04-01 19:01:31 +0000960 void __iomem *addr;
Amit Kumar Salechaaf19b492010-01-13 00:37:25 +0000961 int ret;
962 u32 start;
963
Anirban Chakrabortyb1fc6d32011-04-01 14:28:05 +0000964 mutex_lock(&adapter->ahw->mem_lock);
Amit Kumar Salechaaf19b492010-01-13 00:37:25 +0000965
966 ret = qlcnic_pci_set_window_2M(adapter, off, &start);
967 if (ret != 0)
968 goto unlock;
969
Anirban Chakrabortyb1fc6d32011-04-01 14:28:05 +0000970 addr = adapter->ahw->pci_base0 + start;
Amit Kumar Salechaaf19b492010-01-13 00:37:25 +0000971
Amit Kumar Salechaaf19b492010-01-13 00:37:25 +0000972 if (op == 0) /* read */
973 *data = readq(addr);
974 else /* write */
975 writeq(*data, addr);
976
977unlock:
Anirban Chakrabortyb1fc6d32011-04-01 14:28:05 +0000978 mutex_unlock(&adapter->ahw->mem_lock);
Amit Kumar Salechaaf19b492010-01-13 00:37:25 +0000979
Amit Kumar Salechaaf19b492010-01-13 00:37:25 +0000980 return ret;
981}
982
Dhananjay Phadke897e8c72010-04-01 19:01:29 +0000983void
984qlcnic_pci_camqm_read_2M(struct qlcnic_adapter *adapter, u64 off, u64 *data)
985{
Anirban Chakrabortyb1fc6d32011-04-01 14:28:05 +0000986 void __iomem *addr = adapter->ahw->pci_base0 +
Dhananjay Phadke897e8c72010-04-01 19:01:29 +0000987 QLCNIC_PCI_CAMQM_2M_BASE + (off - QLCNIC_PCI_CAMQM);
988
Anirban Chakrabortyb1fc6d32011-04-01 14:28:05 +0000989 mutex_lock(&adapter->ahw->mem_lock);
Dhananjay Phadke897e8c72010-04-01 19:01:29 +0000990 *data = readq(addr);
Anirban Chakrabortyb1fc6d32011-04-01 14:28:05 +0000991 mutex_unlock(&adapter->ahw->mem_lock);
Dhananjay Phadke897e8c72010-04-01 19:01:29 +0000992}
993
994void
995qlcnic_pci_camqm_write_2M(struct qlcnic_adapter *adapter, u64 off, u64 data)
996{
Anirban Chakrabortyb1fc6d32011-04-01 14:28:05 +0000997 void __iomem *addr = adapter->ahw->pci_base0 +
Dhananjay Phadke897e8c72010-04-01 19:01:29 +0000998 QLCNIC_PCI_CAMQM_2M_BASE + (off - QLCNIC_PCI_CAMQM);
999
Anirban Chakrabortyb1fc6d32011-04-01 14:28:05 +00001000 mutex_lock(&adapter->ahw->mem_lock);
Dhananjay Phadke897e8c72010-04-01 19:01:29 +00001001 writeq(data, addr);
Anirban Chakrabortyb1fc6d32011-04-01 14:28:05 +00001002 mutex_unlock(&adapter->ahw->mem_lock);
Dhananjay Phadke897e8c72010-04-01 19:01:29 +00001003}
1004
Amit Kumar Salechaaf19b492010-01-13 00:37:25 +00001005#define MAX_CTL_CHECK 1000
1006
1007int
1008qlcnic_pci_mem_write_2M(struct qlcnic_adapter *adapter,
1009 u64 off, u64 data)
1010{
1011 int i, j, ret;
1012 u32 temp, off8;
Amit Kumar Salechaaf19b492010-01-13 00:37:25 +00001013 void __iomem *mem_crb;
1014
1015 /* Only 64-bit aligned access */
1016 if (off & 7)
1017 return -EIO;
1018
1019 /* P3 onward, test agent base for MIU and SIU is same */
1020 if (ADDR_IN_RANGE(off, QLCNIC_ADDR_QDR_NET,
Dhananjay Phadkeb47acac2010-04-01 19:01:30 +00001021 QLCNIC_ADDR_QDR_NET_MAX)) {
Amit Kumar Salechaaf19b492010-01-13 00:37:25 +00001022 mem_crb = qlcnic_get_ioaddr(adapter,
1023 QLCNIC_CRB_QDR_NET+MIU_TEST_AGT_BASE);
1024 goto correct;
1025 }
1026
1027 if (ADDR_IN_RANGE(off, QLCNIC_ADDR_DDR_NET, QLCNIC_ADDR_DDR_NET_MAX)) {
1028 mem_crb = qlcnic_get_ioaddr(adapter,
1029 QLCNIC_CRB_DDR_NET+MIU_TEST_AGT_BASE);
1030 goto correct;
1031 }
1032
1033 if (ADDR_IN_RANGE(off, QLCNIC_ADDR_OCM0, QLCNIC_ADDR_OCM0_MAX))
1034 return qlcnic_pci_mem_access_direct(adapter, off, &data, 1);
1035
1036 return -EIO;
1037
1038correct:
Dhananjay Phadkeb47acac2010-04-01 19:01:30 +00001039 off8 = off & ~0xf;
Amit Kumar Salechaaf19b492010-01-13 00:37:25 +00001040
Anirban Chakrabortyb1fc6d32011-04-01 14:28:05 +00001041 mutex_lock(&adapter->ahw->mem_lock);
Amit Kumar Salechaaf19b492010-01-13 00:37:25 +00001042
1043 writel(off8, (mem_crb + MIU_TEST_AGT_ADDR_LO));
1044 writel(0, (mem_crb + MIU_TEST_AGT_ADDR_HI));
1045
1046 i = 0;
Dhananjay Phadkeb47acac2010-04-01 19:01:30 +00001047 writel(TA_CTL_ENABLE, (mem_crb + TEST_AGT_CTRL));
1048 writel((TA_CTL_START | TA_CTL_ENABLE),
1049 (mem_crb + TEST_AGT_CTRL));
Amit Kumar Salechaaf19b492010-01-13 00:37:25 +00001050
Dhananjay Phadkeb47acac2010-04-01 19:01:30 +00001051 for (j = 0; j < MAX_CTL_CHECK; j++) {
1052 temp = readl(mem_crb + TEST_AGT_CTRL);
1053 if ((temp & TA_CTL_BUSY) == 0)
1054 break;
Amit Kumar Salechaaf19b492010-01-13 00:37:25 +00001055 }
1056
Dhananjay Phadkeb47acac2010-04-01 19:01:30 +00001057 if (j >= MAX_CTL_CHECK) {
1058 ret = -EIO;
1059 goto done;
1060 }
1061
1062 i = (off & 0xf) ? 0 : 2;
1063 writel(readl(mem_crb + MIU_TEST_AGT_RDDATA(i)),
1064 mem_crb + MIU_TEST_AGT_WRDATA(i));
1065 writel(readl(mem_crb + MIU_TEST_AGT_RDDATA(i+1)),
1066 mem_crb + MIU_TEST_AGT_WRDATA(i+1));
1067 i = (off & 0xf) ? 2 : 0;
1068
Amit Kumar Salechaaf19b492010-01-13 00:37:25 +00001069 writel(data & 0xffffffff,
1070 mem_crb + MIU_TEST_AGT_WRDATA(i));
1071 writel((data >> 32) & 0xffffffff,
1072 mem_crb + MIU_TEST_AGT_WRDATA(i+1));
1073
1074 writel((TA_CTL_ENABLE | TA_CTL_WRITE), (mem_crb + TEST_AGT_CTRL));
1075 writel((TA_CTL_START | TA_CTL_ENABLE | TA_CTL_WRITE),
1076 (mem_crb + TEST_AGT_CTRL));
1077
1078 for (j = 0; j < MAX_CTL_CHECK; j++) {
1079 temp = readl(mem_crb + TEST_AGT_CTRL);
1080 if ((temp & TA_CTL_BUSY) == 0)
1081 break;
1082 }
1083
1084 if (j >= MAX_CTL_CHECK) {
1085 if (printk_ratelimit())
1086 dev_err(&adapter->pdev->dev,
1087 "failed to write through agent\n");
1088 ret = -EIO;
1089 } else
1090 ret = 0;
1091
1092done:
Anirban Chakrabortyb1fc6d32011-04-01 14:28:05 +00001093 mutex_unlock(&adapter->ahw->mem_lock);
Amit Kumar Salechaaf19b492010-01-13 00:37:25 +00001094
1095 return ret;
1096}
1097
1098int
1099qlcnic_pci_mem_read_2M(struct qlcnic_adapter *adapter,
1100 u64 off, u64 *data)
1101{
1102 int j, ret;
1103 u32 temp, off8;
Dhananjay Phadkeb47acac2010-04-01 19:01:30 +00001104 u64 val;
Amit Kumar Salechaaf19b492010-01-13 00:37:25 +00001105 void __iomem *mem_crb;
1106
1107 /* Only 64-bit aligned access */
1108 if (off & 7)
1109 return -EIO;
1110
1111 /* P3 onward, test agent base for MIU and SIU is same */
1112 if (ADDR_IN_RANGE(off, QLCNIC_ADDR_QDR_NET,
Dhananjay Phadkeb47acac2010-04-01 19:01:30 +00001113 QLCNIC_ADDR_QDR_NET_MAX)) {
Amit Kumar Salechaaf19b492010-01-13 00:37:25 +00001114 mem_crb = qlcnic_get_ioaddr(adapter,
1115 QLCNIC_CRB_QDR_NET+MIU_TEST_AGT_BASE);
1116 goto correct;
1117 }
1118
1119 if (ADDR_IN_RANGE(off, QLCNIC_ADDR_DDR_NET, QLCNIC_ADDR_DDR_NET_MAX)) {
1120 mem_crb = qlcnic_get_ioaddr(adapter,
1121 QLCNIC_CRB_DDR_NET+MIU_TEST_AGT_BASE);
1122 goto correct;
1123 }
1124
1125 if (ADDR_IN_RANGE(off, QLCNIC_ADDR_OCM0, QLCNIC_ADDR_OCM0_MAX)) {
1126 return qlcnic_pci_mem_access_direct(adapter,
1127 off, data, 0);
1128 }
1129
1130 return -EIO;
1131
1132correct:
Dhananjay Phadkeb47acac2010-04-01 19:01:30 +00001133 off8 = off & ~0xf;
Amit Kumar Salechaaf19b492010-01-13 00:37:25 +00001134
Anirban Chakrabortyb1fc6d32011-04-01 14:28:05 +00001135 mutex_lock(&adapter->ahw->mem_lock);
Amit Kumar Salechaaf19b492010-01-13 00:37:25 +00001136
1137 writel(off8, (mem_crb + MIU_TEST_AGT_ADDR_LO));
1138 writel(0, (mem_crb + MIU_TEST_AGT_ADDR_HI));
1139 writel(TA_CTL_ENABLE, (mem_crb + TEST_AGT_CTRL));
1140 writel((TA_CTL_START | TA_CTL_ENABLE), (mem_crb + TEST_AGT_CTRL));
1141
1142 for (j = 0; j < MAX_CTL_CHECK; j++) {
1143 temp = readl(mem_crb + TEST_AGT_CTRL);
1144 if ((temp & TA_CTL_BUSY) == 0)
1145 break;
1146 }
1147
1148 if (j >= MAX_CTL_CHECK) {
1149 if (printk_ratelimit())
1150 dev_err(&adapter->pdev->dev,
1151 "failed to read through agent\n");
1152 ret = -EIO;
1153 } else {
1154 off8 = MIU_TEST_AGT_RDDATA_LO;
Dhananjay Phadkeb47acac2010-04-01 19:01:30 +00001155 if (off & 0xf)
Amit Kumar Salechaaf19b492010-01-13 00:37:25 +00001156 off8 = MIU_TEST_AGT_RDDATA_UPPER_LO;
1157
1158 temp = readl(mem_crb + off8 + 4);
1159 val = (u64)temp << 32;
1160 val |= readl(mem_crb + off8);
1161 *data = val;
1162 ret = 0;
1163 }
1164
Anirban Chakrabortyb1fc6d32011-04-01 14:28:05 +00001165 mutex_unlock(&adapter->ahw->mem_lock);
Amit Kumar Salechaaf19b492010-01-13 00:37:25 +00001166
1167 return ret;
1168}
1169
1170int qlcnic_get_board_info(struct qlcnic_adapter *adapter)
1171{
1172 int offset, board_type, magic;
1173 struct pci_dev *pdev = adapter->pdev;
1174
1175 offset = QLCNIC_FW_MAGIC_OFFSET;
1176 if (qlcnic_rom_fast_read(adapter, offset, &magic))
1177 return -EIO;
1178
1179 if (magic != QLCNIC_BDINFO_MAGIC) {
1180 dev_err(&pdev->dev, "invalid board config, magic=%08x\n",
1181 magic);
1182 return -EIO;
1183 }
1184
1185 offset = QLCNIC_BRDTYPE_OFFSET;
1186 if (qlcnic_rom_fast_read(adapter, offset, &board_type))
1187 return -EIO;
1188
Anirban Chakrabortyb1fc6d32011-04-01 14:28:05 +00001189 adapter->ahw->board_type = board_type;
Amit Kumar Salechaaf19b492010-01-13 00:37:25 +00001190
Sritej Velagaff1b1bf82010-10-07 23:46:10 +00001191 if (board_type == QLCNIC_BRDTYPE_P3P_4_GB_MM) {
Amit Kumar Salechaaf19b492010-01-13 00:37:25 +00001192 u32 gpio = QLCRD32(adapter, QLCNIC_ROMUSB_GLB_PAD_GPIO_I);
1193 if ((gpio & 0x8000) == 0)
Sritej Velagaff1b1bf82010-10-07 23:46:10 +00001194 board_type = QLCNIC_BRDTYPE_P3P_10G_TP;
Amit Kumar Salechaaf19b492010-01-13 00:37:25 +00001195 }
1196
1197 switch (board_type) {
Sritej Velagaff1b1bf82010-10-07 23:46:10 +00001198 case QLCNIC_BRDTYPE_P3P_HMEZ:
1199 case QLCNIC_BRDTYPE_P3P_XG_LOM:
1200 case QLCNIC_BRDTYPE_P3P_10G_CX4:
1201 case QLCNIC_BRDTYPE_P3P_10G_CX4_LP:
1202 case QLCNIC_BRDTYPE_P3P_IMEZ:
1203 case QLCNIC_BRDTYPE_P3P_10G_SFP_PLUS:
1204 case QLCNIC_BRDTYPE_P3P_10G_SFP_CT:
1205 case QLCNIC_BRDTYPE_P3P_10G_SFP_QT:
1206 case QLCNIC_BRDTYPE_P3P_10G_XFP:
1207 case QLCNIC_BRDTYPE_P3P_10000_BASE_T:
Anirban Chakrabortyb1fc6d32011-04-01 14:28:05 +00001208 adapter->ahw->port_type = QLCNIC_XGBE;
Amit Kumar Salechaaf19b492010-01-13 00:37:25 +00001209 break;
Sritej Velagaff1b1bf82010-10-07 23:46:10 +00001210 case QLCNIC_BRDTYPE_P3P_REF_QG:
1211 case QLCNIC_BRDTYPE_P3P_4_GB:
1212 case QLCNIC_BRDTYPE_P3P_4_GB_MM:
Anirban Chakrabortyb1fc6d32011-04-01 14:28:05 +00001213 adapter->ahw->port_type = QLCNIC_GBE;
Amit Kumar Salechaaf19b492010-01-13 00:37:25 +00001214 break;
Sritej Velagaff1b1bf82010-10-07 23:46:10 +00001215 case QLCNIC_BRDTYPE_P3P_10G_TP:
Anirban Chakrabortyb1fc6d32011-04-01 14:28:05 +00001216 adapter->ahw->port_type = (adapter->portnum < 2) ?
Amit Kumar Salechaaf19b492010-01-13 00:37:25 +00001217 QLCNIC_XGBE : QLCNIC_GBE;
1218 break;
1219 default:
1220 dev_err(&pdev->dev, "unknown board type %x\n", board_type);
Anirban Chakrabortyb1fc6d32011-04-01 14:28:05 +00001221 adapter->ahw->port_type = QLCNIC_XGBE;
Amit Kumar Salechaaf19b492010-01-13 00:37:25 +00001222 break;
1223 }
1224
1225 return 0;
1226}
1227
1228int
1229qlcnic_wol_supported(struct qlcnic_adapter *adapter)
1230{
1231 u32 wol_cfg;
1232
1233 wol_cfg = QLCRD32(adapter, QLCNIC_WOL_CONFIG_NV);
1234 if (wol_cfg & (1UL << adapter->portnum)) {
1235 wol_cfg = QLCRD32(adapter, QLCNIC_WOL_CONFIG);
1236 if (wol_cfg & (1 << adapter->portnum))
1237 return 1;
1238 }
1239
1240 return 0;
1241}
Sucheta Chakraborty897d3592010-02-01 05:24:58 +00001242
1243int qlcnic_config_led(struct qlcnic_adapter *adapter, u32 state, u32 rate)
1244{
1245 struct qlcnic_nic_req req;
1246 int rv;
1247 u64 word;
1248
1249 memset(&req, 0, sizeof(struct qlcnic_nic_req));
1250 req.qhdr = cpu_to_le64(QLCNIC_HOST_REQUEST << 23);
1251
1252 word = QLCNIC_H2C_OPCODE_CONFIG_LED | ((u64)adapter->portnum << 16);
1253 req.req_hdr = cpu_to_le64(word);
1254
1255 req.words[0] = cpu_to_le64((u64)rate << 32);
1256 req.words[1] = cpu_to_le64(state);
1257
1258 rv = qlcnic_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1);
1259 if (rv)
1260 dev_err(&adapter->pdev->dev, "LED configuration failed.\n");
1261
1262 return rv;
1263}