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af19b491 AKS |
1 | /* |
2 | * Copyright (C) 2009 - QLogic Corporation. | |
3 | * All rights reserved. | |
4 | * | |
5 | * This program is free software; you can redistribute it and/or | |
6 | * modify it under the terms of the GNU General Public License | |
7 | * as published by the Free Software Foundation; either version 2 | |
8 | * of the License, or (at your option) any later version. | |
9 | * | |
10 | * This program is distributed in the hope that it will be useful, but | |
11 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
13 | * GNU General Public License for more details. | |
14 | * | |
15 | * You should have received a copy of the GNU General Public License | |
16 | * along with this program; if not, write to the Free Software | |
17 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, | |
18 | * MA 02111-1307, USA. | |
19 | * | |
20 | * The full GNU General Public License is included in this distribution | |
21 | * in the file called "COPYING". | |
22 | * | |
23 | */ | |
24 | ||
25 | #include "qlcnic.h" | |
26 | ||
5a0e3ad6 | 27 | #include <linux/slab.h> |
af19b491 AKS |
28 | #include <net/ip.h> |
29 | ||
30 | #define MASK(n) ((1ULL<<(n))-1) | |
31 | #define OCM_WIN_P3P(addr) (addr & 0xffc0000) | |
32 | ||
33 | #define GET_MEM_OFFS_2M(addr) (addr & MASK(18)) | |
34 | ||
35 | #define CRB_BLK(off) ((off >> 20) & 0x3f) | |
36 | #define CRB_SUBBLK(off) ((off >> 16) & 0xf) | |
37 | #define CRB_WINDOW_2M (0x130060) | |
38 | #define CRB_HI(off) ((crb_hub_agt[CRB_BLK(off)] << 20) | ((off) & 0xf0000)) | |
39 | #define CRB_INDIRECT_2M (0x1e0000UL) | |
40 | ||
41 | ||
42 | #ifndef readq | |
43 | static inline u64 readq(void __iomem *addr) | |
44 | { | |
45 | return readl(addr) | (((u64) readl(addr + 4)) << 32LL); | |
46 | } | |
47 | #endif | |
48 | ||
49 | #ifndef writeq | |
50 | static inline void writeq(u64 val, void __iomem *addr) | |
51 | { | |
52 | writel(((u32) (val)), (addr)); | |
53 | writel(((u32) (val >> 32)), (addr + 4)); | |
54 | } | |
55 | #endif | |
56 | ||
af19b491 AKS |
57 | static const struct crb_128M_2M_block_map |
58 | crb_128M_2M_map[64] __cacheline_aligned_in_smp = { | |
59 | {{{0, 0, 0, 0} } }, /* 0: PCI */ | |
60 | {{{1, 0x0100000, 0x0102000, 0x120000}, /* 1: PCIE */ | |
61 | {1, 0x0110000, 0x0120000, 0x130000}, | |
62 | {1, 0x0120000, 0x0122000, 0x124000}, | |
63 | {1, 0x0130000, 0x0132000, 0x126000}, | |
64 | {1, 0x0140000, 0x0142000, 0x128000}, | |
65 | {1, 0x0150000, 0x0152000, 0x12a000}, | |
66 | {1, 0x0160000, 0x0170000, 0x110000}, | |
67 | {1, 0x0170000, 0x0172000, 0x12e000}, | |
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 | {1, 0x01e0000, 0x01e0800, 0x122000}, | |
75 | {0, 0x0000000, 0x0000000, 0x000000} } }, | |
76 | {{{1, 0x0200000, 0x0210000, 0x180000} } },/* 2: MN */ | |
77 | {{{0, 0, 0, 0} } }, /* 3: */ | |
78 | {{{1, 0x0400000, 0x0401000, 0x169000} } },/* 4: P2NR1 */ | |
79 | {{{1, 0x0500000, 0x0510000, 0x140000} } },/* 5: SRE */ | |
80 | {{{1, 0x0600000, 0x0610000, 0x1c0000} } },/* 6: NIU */ | |
81 | {{{1, 0x0700000, 0x0704000, 0x1b8000} } },/* 7: QM */ | |
82 | {{{1, 0x0800000, 0x0802000, 0x170000}, /* 8: SQM0 */ | |
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 | {0, 0x0000000, 0x0000000, 0x000000}, | |
97 | {1, 0x08f0000, 0x08f2000, 0x172000} } }, | |
98 | {{{1, 0x0900000, 0x0902000, 0x174000}, /* 9: SQM1*/ | |
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 | {0, 0x0000000, 0x0000000, 0x000000}, | |
113 | {1, 0x09f0000, 0x09f2000, 0x176000} } }, | |
114 | {{{0, 0x0a00000, 0x0a02000, 0x178000}, /* 10: SQM2*/ | |
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 | {0, 0x0000000, 0x0000000, 0x000000}, | |
129 | {1, 0x0af0000, 0x0af2000, 0x17a000} } }, | |
130 | {{{0, 0x0b00000, 0x0b02000, 0x17c000}, /* 11: SQM3*/ | |
131 | {0, 0x0000000, 0x0000000, 0x000000}, | |
132 | {0, 0x0000000, 0x0000000, 0x000000}, | |
133 | {0, 0x0000000, 0x0000000, 0x000000}, | |
134 | {0, 0x0000000, 0x0000000, 0x000000}, | |
135 | {0, 0x0000000, 0x0000000, 0x000000}, | |
136 | {0, 0x0000000, 0x0000000, 0x000000}, | |
137 | {0, 0x0000000, 0x0000000, 0x000000}, | |
138 | {0, 0x0000000, 0x0000000, 0x000000}, | |
139 | {0, 0x0000000, 0x0000000, 0x000000}, | |
140 | {0, 0x0000000, 0x0000000, 0x000000}, | |
141 | {0, 0x0000000, 0x0000000, 0x000000}, | |
142 | {0, 0x0000000, 0x0000000, 0x000000}, | |
143 | {0, 0x0000000, 0x0000000, 0x000000}, | |
144 | {0, 0x0000000, 0x0000000, 0x000000}, | |
145 | {1, 0x0bf0000, 0x0bf2000, 0x17e000} } }, | |
146 | {{{1, 0x0c00000, 0x0c04000, 0x1d4000} } },/* 12: I2Q */ | |
147 | {{{1, 0x0d00000, 0x0d04000, 0x1a4000} } },/* 13: TMR */ | |
148 | {{{1, 0x0e00000, 0x0e04000, 0x1a0000} } },/* 14: ROMUSB */ | |
149 | {{{1, 0x0f00000, 0x0f01000, 0x164000} } },/* 15: PEG4 */ | |
150 | {{{0, 0x1000000, 0x1004000, 0x1a8000} } },/* 16: XDMA */ | |
151 | {{{1, 0x1100000, 0x1101000, 0x160000} } },/* 17: PEG0 */ | |
152 | {{{1, 0x1200000, 0x1201000, 0x161000} } },/* 18: PEG1 */ | |
153 | {{{1, 0x1300000, 0x1301000, 0x162000} } },/* 19: PEG2 */ | |
154 | {{{1, 0x1400000, 0x1401000, 0x163000} } },/* 20: PEG3 */ | |
155 | {{{1, 0x1500000, 0x1501000, 0x165000} } },/* 21: P2ND */ | |
156 | {{{1, 0x1600000, 0x1601000, 0x166000} } },/* 22: P2NI */ | |
157 | {{{0, 0, 0, 0} } }, /* 23: */ | |
158 | {{{0, 0, 0, 0} } }, /* 24: */ | |
159 | {{{0, 0, 0, 0} } }, /* 25: */ | |
160 | {{{0, 0, 0, 0} } }, /* 26: */ | |
161 | {{{0, 0, 0, 0} } }, /* 27: */ | |
162 | {{{0, 0, 0, 0} } }, /* 28: */ | |
163 | {{{1, 0x1d00000, 0x1d10000, 0x190000} } },/* 29: MS */ | |
164 | {{{1, 0x1e00000, 0x1e01000, 0x16a000} } },/* 30: P2NR2 */ | |
165 | {{{1, 0x1f00000, 0x1f10000, 0x150000} } },/* 31: EPG */ | |
166 | {{{0} } }, /* 32: PCI */ | |
167 | {{{1, 0x2100000, 0x2102000, 0x120000}, /* 33: PCIE */ | |
168 | {1, 0x2110000, 0x2120000, 0x130000}, | |
169 | {1, 0x2120000, 0x2122000, 0x124000}, | |
170 | {1, 0x2130000, 0x2132000, 0x126000}, | |
171 | {1, 0x2140000, 0x2142000, 0x128000}, | |
172 | {1, 0x2150000, 0x2152000, 0x12a000}, | |
173 | {1, 0x2160000, 0x2170000, 0x110000}, | |
174 | {1, 0x2170000, 0x2172000, 0x12e000}, | |
175 | {0, 0x0000000, 0x0000000, 0x000000}, | |
176 | {0, 0x0000000, 0x0000000, 0x000000}, | |
177 | {0, 0x0000000, 0x0000000, 0x000000}, | |
178 | {0, 0x0000000, 0x0000000, 0x000000}, | |
179 | {0, 0x0000000, 0x0000000, 0x000000}, | |
180 | {0, 0x0000000, 0x0000000, 0x000000}, | |
181 | {0, 0x0000000, 0x0000000, 0x000000}, | |
182 | {0, 0x0000000, 0x0000000, 0x000000} } }, | |
183 | {{{1, 0x2200000, 0x2204000, 0x1b0000} } },/* 34: CAM */ | |
184 | {{{0} } }, /* 35: */ | |
185 | {{{0} } }, /* 36: */ | |
186 | {{{0} } }, /* 37: */ | |
187 | {{{0} } }, /* 38: */ | |
188 | {{{0} } }, /* 39: */ | |
189 | {{{1, 0x2800000, 0x2804000, 0x1a4000} } },/* 40: TMR */ | |
190 | {{{1, 0x2900000, 0x2901000, 0x16b000} } },/* 41: P2NR3 */ | |
191 | {{{1, 0x2a00000, 0x2a00400, 0x1ac400} } },/* 42: RPMX1 */ | |
192 | {{{1, 0x2b00000, 0x2b00400, 0x1ac800} } },/* 43: RPMX2 */ | |
193 | {{{1, 0x2c00000, 0x2c00400, 0x1acc00} } },/* 44: RPMX3 */ | |
194 | {{{1, 0x2d00000, 0x2d00400, 0x1ad000} } },/* 45: RPMX4 */ | |
195 | {{{1, 0x2e00000, 0x2e00400, 0x1ad400} } },/* 46: RPMX5 */ | |
196 | {{{1, 0x2f00000, 0x2f00400, 0x1ad800} } },/* 47: RPMX6 */ | |
197 | {{{1, 0x3000000, 0x3000400, 0x1adc00} } },/* 48: RPMX7 */ | |
198 | {{{0, 0x3100000, 0x3104000, 0x1a8000} } },/* 49: XDMA */ | |
199 | {{{1, 0x3200000, 0x3204000, 0x1d4000} } },/* 50: I2Q */ | |
200 | {{{1, 0x3300000, 0x3304000, 0x1a0000} } },/* 51: ROMUSB */ | |
201 | {{{0} } }, /* 52: */ | |
202 | {{{1, 0x3500000, 0x3500400, 0x1ac000} } },/* 53: RPMX0 */ | |
203 | {{{1, 0x3600000, 0x3600400, 0x1ae000} } },/* 54: RPMX8 */ | |
204 | {{{1, 0x3700000, 0x3700400, 0x1ae400} } },/* 55: RPMX9 */ | |
205 | {{{1, 0x3800000, 0x3804000, 0x1d0000} } },/* 56: OCM0 */ | |
206 | {{{1, 0x3900000, 0x3904000, 0x1b4000} } },/* 57: CRYPTO */ | |
207 | {{{1, 0x3a00000, 0x3a04000, 0x1d8000} } },/* 58: SMB */ | |
208 | {{{0} } }, /* 59: I2C0 */ | |
209 | {{{0} } }, /* 60: I2C1 */ | |
210 | {{{1, 0x3d00000, 0x3d04000, 0x1d8000} } },/* 61: LPC */ | |
211 | {{{1, 0x3e00000, 0x3e01000, 0x167000} } },/* 62: P2NC */ | |
212 | {{{1, 0x3f00000, 0x3f01000, 0x168000} } } /* 63: P2NR0 */ | |
213 | }; | |
214 | ||
215 | /* | |
216 | * top 12 bits of crb internal address (hub, agent) | |
217 | */ | |
218 | static const unsigned crb_hub_agt[64] = { | |
219 | 0, | |
220 | QLCNIC_HW_CRB_HUB_AGT_ADR_PS, | |
221 | QLCNIC_HW_CRB_HUB_AGT_ADR_MN, | |
222 | QLCNIC_HW_CRB_HUB_AGT_ADR_MS, | |
223 | 0, | |
224 | QLCNIC_HW_CRB_HUB_AGT_ADR_SRE, | |
225 | QLCNIC_HW_CRB_HUB_AGT_ADR_NIU, | |
226 | QLCNIC_HW_CRB_HUB_AGT_ADR_QMN, | |
227 | QLCNIC_HW_CRB_HUB_AGT_ADR_SQN0, | |
228 | QLCNIC_HW_CRB_HUB_AGT_ADR_SQN1, | |
229 | QLCNIC_HW_CRB_HUB_AGT_ADR_SQN2, | |
230 | QLCNIC_HW_CRB_HUB_AGT_ADR_SQN3, | |
231 | QLCNIC_HW_CRB_HUB_AGT_ADR_I2Q, | |
232 | QLCNIC_HW_CRB_HUB_AGT_ADR_TIMR, | |
233 | QLCNIC_HW_CRB_HUB_AGT_ADR_ROMUSB, | |
234 | QLCNIC_HW_CRB_HUB_AGT_ADR_PGN4, | |
235 | QLCNIC_HW_CRB_HUB_AGT_ADR_XDMA, | |
236 | QLCNIC_HW_CRB_HUB_AGT_ADR_PGN0, | |
237 | QLCNIC_HW_CRB_HUB_AGT_ADR_PGN1, | |
238 | QLCNIC_HW_CRB_HUB_AGT_ADR_PGN2, | |
239 | QLCNIC_HW_CRB_HUB_AGT_ADR_PGN3, | |
240 | QLCNIC_HW_CRB_HUB_AGT_ADR_PGND, | |
241 | QLCNIC_HW_CRB_HUB_AGT_ADR_PGNI, | |
242 | QLCNIC_HW_CRB_HUB_AGT_ADR_PGS0, | |
243 | QLCNIC_HW_CRB_HUB_AGT_ADR_PGS1, | |
244 | QLCNIC_HW_CRB_HUB_AGT_ADR_PGS2, | |
245 | QLCNIC_HW_CRB_HUB_AGT_ADR_PGS3, | |
246 | 0, | |
247 | QLCNIC_HW_CRB_HUB_AGT_ADR_PGSI, | |
248 | QLCNIC_HW_CRB_HUB_AGT_ADR_SN, | |
249 | 0, | |
250 | QLCNIC_HW_CRB_HUB_AGT_ADR_EG, | |
251 | 0, | |
252 | QLCNIC_HW_CRB_HUB_AGT_ADR_PS, | |
253 | QLCNIC_HW_CRB_HUB_AGT_ADR_CAM, | |
254 | 0, | |
255 | 0, | |
256 | 0, | |
257 | 0, | |
258 | 0, | |
259 | QLCNIC_HW_CRB_HUB_AGT_ADR_TIMR, | |
260 | 0, | |
261 | QLCNIC_HW_CRB_HUB_AGT_ADR_RPMX1, | |
262 | QLCNIC_HW_CRB_HUB_AGT_ADR_RPMX2, | |
263 | QLCNIC_HW_CRB_HUB_AGT_ADR_RPMX3, | |
264 | QLCNIC_HW_CRB_HUB_AGT_ADR_RPMX4, | |
265 | QLCNIC_HW_CRB_HUB_AGT_ADR_RPMX5, | |
266 | QLCNIC_HW_CRB_HUB_AGT_ADR_RPMX6, | |
267 | QLCNIC_HW_CRB_HUB_AGT_ADR_RPMX7, | |
268 | QLCNIC_HW_CRB_HUB_AGT_ADR_XDMA, | |
269 | QLCNIC_HW_CRB_HUB_AGT_ADR_I2Q, | |
270 | QLCNIC_HW_CRB_HUB_AGT_ADR_ROMUSB, | |
271 | 0, | |
272 | QLCNIC_HW_CRB_HUB_AGT_ADR_RPMX0, | |
273 | QLCNIC_HW_CRB_HUB_AGT_ADR_RPMX8, | |
274 | QLCNIC_HW_CRB_HUB_AGT_ADR_RPMX9, | |
275 | QLCNIC_HW_CRB_HUB_AGT_ADR_OCM0, | |
276 | 0, | |
277 | QLCNIC_HW_CRB_HUB_AGT_ADR_SMB, | |
278 | QLCNIC_HW_CRB_HUB_AGT_ADR_I2C0, | |
279 | QLCNIC_HW_CRB_HUB_AGT_ADR_I2C1, | |
280 | 0, | |
281 | QLCNIC_HW_CRB_HUB_AGT_ADR_PGNC, | |
282 | 0, | |
283 | }; | |
284 | ||
285 | /* PCI Windowing for DDR regions. */ | |
286 | ||
287 | #define QLCNIC_PCIE_SEM_TIMEOUT 10000 | |
288 | ||
289 | int | |
290 | qlcnic_pcie_sem_lock(struct qlcnic_adapter *adapter, int sem, u32 id_reg) | |
291 | { | |
292 | int done = 0, timeout = 0; | |
293 | ||
294 | while (!done) { | |
295 | done = QLCRD32(adapter, QLCNIC_PCIE_REG(PCIE_SEM_LOCK(sem))); | |
296 | if (done == 1) | |
297 | break; | |
65b5b420 AKS |
298 | if (++timeout >= QLCNIC_PCIE_SEM_TIMEOUT) { |
299 | dev_err(&adapter->pdev->dev, | |
091754a1 SC |
300 | "Failed to acquire sem=%d lock; holdby=%d\n", |
301 | sem, id_reg ? QLCRD32(adapter, id_reg) : -1); | |
af19b491 | 302 | return -EIO; |
65b5b420 | 303 | } |
af19b491 AKS |
304 | msleep(1); |
305 | } | |
306 | ||
307 | if (id_reg) | |
308 | QLCWR32(adapter, id_reg, adapter->portnum); | |
309 | ||
310 | return 0; | |
311 | } | |
312 | ||
313 | void | |
314 | qlcnic_pcie_sem_unlock(struct qlcnic_adapter *adapter, int sem) | |
315 | { | |
316 | QLCRD32(adapter, QLCNIC_PCIE_REG(PCIE_SEM_UNLOCK(sem))); | |
317 | } | |
318 | ||
319 | static int | |
320 | qlcnic_send_cmd_descs(struct qlcnic_adapter *adapter, | |
321 | struct cmd_desc_type0 *cmd_desc_arr, int nr_desc) | |
322 | { | |
323 | u32 i, producer, consumer; | |
324 | struct qlcnic_cmd_buffer *pbuf; | |
325 | struct cmd_desc_type0 *cmd_desc; | |
326 | struct qlcnic_host_tx_ring *tx_ring; | |
327 | ||
328 | i = 0; | |
329 | ||
8a15ad1f | 330 | if (!test_bit(__QLCNIC_FW_ATTACHED, &adapter->state)) |
af19b491 AKS |
331 | return -EIO; |
332 | ||
333 | tx_ring = adapter->tx_ring; | |
334 | __netif_tx_lock_bh(tx_ring->txq); | |
335 | ||
336 | producer = tx_ring->producer; | |
337 | consumer = tx_ring->sw_consumer; | |
338 | ||
339 | if (nr_desc >= qlcnic_tx_avail(tx_ring)) { | |
340 | netif_tx_stop_queue(tx_ring->txq); | |
ef71ff83 RB |
341 | smp_mb(); |
342 | if (qlcnic_tx_avail(tx_ring) > nr_desc) { | |
343 | if (qlcnic_tx_avail(tx_ring) > TX_STOP_THRESH) | |
344 | netif_tx_wake_queue(tx_ring->txq); | |
345 | } else { | |
346 | adapter->stats.xmit_off++; | |
347 | __netif_tx_unlock_bh(tx_ring->txq); | |
348 | return -EBUSY; | |
349 | } | |
af19b491 AKS |
350 | } |
351 | ||
352 | do { | |
353 | cmd_desc = &cmd_desc_arr[i]; | |
354 | ||
355 | pbuf = &tx_ring->cmd_buf_arr[producer]; | |
356 | pbuf->skb = NULL; | |
357 | pbuf->frag_count = 0; | |
358 | ||
359 | memcpy(&tx_ring->desc_head[producer], | |
360 | &cmd_desc_arr[i], sizeof(struct cmd_desc_type0)); | |
361 | ||
362 | producer = get_next_index(producer, tx_ring->num_desc); | |
363 | i++; | |
364 | ||
365 | } while (i != nr_desc); | |
366 | ||
367 | tx_ring->producer = producer; | |
368 | ||
369 | qlcnic_update_cmd_producer(adapter, tx_ring); | |
370 | ||
371 | __netif_tx_unlock_bh(tx_ring->txq); | |
372 | ||
373 | return 0; | |
374 | } | |
375 | ||
376 | static int | |
377 | qlcnic_sre_macaddr_change(struct qlcnic_adapter *adapter, u8 *addr, | |
7e56cac4 | 378 | __le16 vlan_id, unsigned op) |
af19b491 AKS |
379 | { |
380 | struct qlcnic_nic_req req; | |
381 | struct qlcnic_mac_req *mac_req; | |
7e56cac4 | 382 | struct qlcnic_vlan_req *vlan_req; |
af19b491 AKS |
383 | u64 word; |
384 | ||
385 | memset(&req, 0, sizeof(struct qlcnic_nic_req)); | |
386 | req.qhdr = cpu_to_le64(QLCNIC_REQUEST << 23); | |
387 | ||
388 | word = QLCNIC_MAC_EVENT | ((u64)adapter->portnum << 16); | |
389 | req.req_hdr = cpu_to_le64(word); | |
390 | ||
391 | mac_req = (struct qlcnic_mac_req *)&req.words[0]; | |
392 | mac_req->op = op; | |
393 | memcpy(mac_req->mac_addr, addr, 6); | |
394 | ||
7e56cac4 SC |
395 | vlan_req = (struct qlcnic_vlan_req *)&req.words[1]; |
396 | vlan_req->vlan_id = vlan_id; | |
03c5d770 | 397 | |
af19b491 AKS |
398 | return qlcnic_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1); |
399 | } | |
400 | ||
9ab17b39 | 401 | static int qlcnic_nic_add_mac(struct qlcnic_adapter *adapter, u8 *addr) |
af19b491 AKS |
402 | { |
403 | struct list_head *head; | |
404 | struct qlcnic_mac_list_s *cur; | |
405 | ||
406 | /* look up if already exists */ | |
9ab17b39 | 407 | list_for_each(head, &adapter->mac_list) { |
af19b491 | 408 | cur = list_entry(head, struct qlcnic_mac_list_s, list); |
9ab17b39 | 409 | if (memcmp(addr, cur->mac_addr, ETH_ALEN) == 0) |
af19b491 | 410 | return 0; |
af19b491 AKS |
411 | } |
412 | ||
413 | cur = kzalloc(sizeof(struct qlcnic_mac_list_s), GFP_ATOMIC); | |
414 | if (cur == NULL) { | |
415 | dev_err(&adapter->netdev->dev, | |
416 | "failed to add mac address filter\n"); | |
417 | return -ENOMEM; | |
418 | } | |
419 | memcpy(cur->mac_addr, addr, ETH_ALEN); | |
af19b491 | 420 | |
42f65cba | 421 | if (qlcnic_sre_macaddr_change(adapter, |
03c5d770 | 422 | cur->mac_addr, 0, QLCNIC_MAC_ADD)) { |
42f65cba AKS |
423 | kfree(cur); |
424 | return -EIO; | |
425 | } | |
426 | ||
427 | list_add_tail(&cur->list, &adapter->mac_list); | |
428 | return 0; | |
af19b491 AKS |
429 | } |
430 | ||
431 | void qlcnic_set_multi(struct net_device *netdev) | |
432 | { | |
433 | struct qlcnic_adapter *adapter = netdev_priv(netdev); | |
22bedad3 | 434 | struct netdev_hw_addr *ha; |
af19b491 AKS |
435 | u8 bcast_addr[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }; |
436 | u32 mode = VPORT_MISS_MODE_DROP; | |
af19b491 | 437 | |
8a15ad1f | 438 | if (!test_bit(__QLCNIC_FW_ATTACHED, &adapter->state)) |
a55cb185 AKS |
439 | return; |
440 | ||
9ab17b39 SC |
441 | qlcnic_nic_add_mac(adapter, adapter->mac_addr); |
442 | qlcnic_nic_add_mac(adapter, bcast_addr); | |
af19b491 AKS |
443 | |
444 | if (netdev->flags & IFF_PROMISC) { | |
ee07c1a7 RB |
445 | if (!(adapter->flags & QLCNIC_PROMISC_DISABLED)) |
446 | mode = VPORT_MISS_MODE_ACCEPT_ALL; | |
af19b491 AKS |
447 | goto send_fw_cmd; |
448 | } | |
449 | ||
450 | if ((netdev->flags & IFF_ALLMULTI) || | |
4cd24eaf | 451 | (netdev_mc_count(netdev) > adapter->max_mc_count)) { |
af19b491 AKS |
452 | mode = VPORT_MISS_MODE_ACCEPT_MULTI; |
453 | goto send_fw_cmd; | |
454 | } | |
455 | ||
4cd24eaf | 456 | if (!netdev_mc_empty(netdev)) { |
22bedad3 JP |
457 | netdev_for_each_mc_addr(ha, netdev) { |
458 | qlcnic_nic_add_mac(adapter, ha->addr); | |
af19b491 AKS |
459 | } |
460 | } | |
461 | ||
462 | send_fw_cmd: | |
463 | qlcnic_nic_set_promisc(adapter, mode); | |
af19b491 AKS |
464 | } |
465 | ||
466 | int qlcnic_nic_set_promisc(struct qlcnic_adapter *adapter, u32 mode) | |
467 | { | |
468 | struct qlcnic_nic_req req; | |
469 | u64 word; | |
470 | ||
471 | memset(&req, 0, sizeof(struct qlcnic_nic_req)); | |
472 | ||
473 | req.qhdr = cpu_to_le64(QLCNIC_HOST_REQUEST << 23); | |
474 | ||
475 | word = QLCNIC_H2C_OPCODE_PROXY_SET_VPORT_MISS_MODE | | |
476 | ((u64)adapter->portnum << 16); | |
477 | req.req_hdr = cpu_to_le64(word); | |
478 | ||
479 | req.words[0] = cpu_to_le64(mode); | |
480 | ||
481 | return qlcnic_send_cmd_descs(adapter, | |
482 | (struct cmd_desc_type0 *)&req, 1); | |
483 | } | |
484 | ||
485 | void qlcnic_free_mac_list(struct qlcnic_adapter *adapter) | |
486 | { | |
487 | struct qlcnic_mac_list_s *cur; | |
488 | struct list_head *head = &adapter->mac_list; | |
489 | ||
490 | while (!list_empty(head)) { | |
491 | cur = list_entry(head->next, struct qlcnic_mac_list_s, list); | |
492 | qlcnic_sre_macaddr_change(adapter, | |
03c5d770 | 493 | cur->mac_addr, 0, QLCNIC_MAC_DEL); |
af19b491 AKS |
494 | list_del(&cur->list); |
495 | kfree(cur); | |
496 | } | |
497 | } | |
498 | ||
b5e5492c AKS |
499 | void qlcnic_prune_lb_filters(struct qlcnic_adapter *adapter) |
500 | { | |
501 | struct qlcnic_filter *tmp_fil; | |
502 | struct hlist_node *tmp_hnode, *n; | |
503 | struct hlist_head *head; | |
504 | int i; | |
505 | ||
506 | for (i = 0; i < adapter->fhash.fmax; i++) { | |
507 | head = &(adapter->fhash.fhead[i]); | |
508 | ||
509 | hlist_for_each_entry_safe(tmp_fil, tmp_hnode, n, head, fnode) | |
510 | { | |
511 | if (jiffies > | |
512 | (QLCNIC_FILTER_AGE * HZ + tmp_fil->ftime)) { | |
513 | qlcnic_sre_macaddr_change(adapter, | |
03c5d770 AKS |
514 | tmp_fil->faddr, tmp_fil->vlan_id, |
515 | tmp_fil->vlan_id ? QLCNIC_MAC_VLAN_DEL : | |
516 | QLCNIC_MAC_DEL); | |
b5e5492c AKS |
517 | spin_lock_bh(&adapter->mac_learn_lock); |
518 | adapter->fhash.fnum--; | |
519 | hlist_del(&tmp_fil->fnode); | |
520 | spin_unlock_bh(&adapter->mac_learn_lock); | |
521 | kfree(tmp_fil); | |
522 | } | |
523 | } | |
524 | } | |
525 | } | |
526 | ||
527 | void qlcnic_delete_lb_filters(struct qlcnic_adapter *adapter) | |
528 | { | |
529 | struct qlcnic_filter *tmp_fil; | |
530 | struct hlist_node *tmp_hnode, *n; | |
531 | struct hlist_head *head; | |
532 | int i; | |
533 | ||
534 | for (i = 0; i < adapter->fhash.fmax; i++) { | |
535 | head = &(adapter->fhash.fhead[i]); | |
536 | ||
537 | hlist_for_each_entry_safe(tmp_fil, tmp_hnode, n, head, fnode) { | |
03c5d770 AKS |
538 | qlcnic_sre_macaddr_change(adapter, tmp_fil->faddr, |
539 | tmp_fil->vlan_id, tmp_fil->vlan_id ? | |
540 | QLCNIC_MAC_VLAN_DEL : QLCNIC_MAC_DEL); | |
b5e5492c AKS |
541 | spin_lock_bh(&adapter->mac_learn_lock); |
542 | adapter->fhash.fnum--; | |
543 | hlist_del(&tmp_fil->fnode); | |
544 | spin_unlock_bh(&adapter->mac_learn_lock); | |
545 | kfree(tmp_fil); | |
546 | } | |
547 | } | |
548 | } | |
549 | ||
af19b491 AKS |
550 | #define QLCNIC_CONFIG_INTR_COALESCE 3 |
551 | ||
552 | /* | |
553 | * Send the interrupt coalescing parameter set by ethtool to the card. | |
554 | */ | |
555 | int qlcnic_config_intr_coalesce(struct qlcnic_adapter *adapter) | |
556 | { | |
557 | struct qlcnic_nic_req req; | |
558 | u64 word[6]; | |
559 | int rv, i; | |
560 | ||
561 | memset(&req, 0, sizeof(struct qlcnic_nic_req)); | |
562 | ||
563 | req.qhdr = cpu_to_le64(QLCNIC_HOST_REQUEST << 23); | |
564 | ||
565 | word[0] = QLCNIC_CONFIG_INTR_COALESCE | ((u64)adapter->portnum << 16); | |
566 | req.req_hdr = cpu_to_le64(word[0]); | |
567 | ||
568 | memcpy(&word[0], &adapter->coal, sizeof(adapter->coal)); | |
569 | for (i = 0; i < 6; i++) | |
570 | req.words[i] = cpu_to_le64(word[i]); | |
571 | ||
572 | rv = qlcnic_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1); | |
573 | if (rv != 0) | |
574 | dev_err(&adapter->netdev->dev, | |
575 | "Could not send interrupt coalescing parameters\n"); | |
576 | ||
577 | return rv; | |
578 | } | |
579 | ||
580 | int qlcnic_config_hw_lro(struct qlcnic_adapter *adapter, int enable) | |
581 | { | |
582 | struct qlcnic_nic_req req; | |
583 | u64 word; | |
584 | int rv; | |
585 | ||
af19b491 AKS |
586 | memset(&req, 0, sizeof(struct qlcnic_nic_req)); |
587 | ||
588 | req.qhdr = cpu_to_le64(QLCNIC_HOST_REQUEST << 23); | |
589 | ||
590 | word = QLCNIC_H2C_OPCODE_CONFIG_HW_LRO | ((u64)adapter->portnum << 16); | |
591 | req.req_hdr = cpu_to_le64(word); | |
592 | ||
593 | req.words[0] = cpu_to_le64(enable); | |
594 | ||
595 | rv = qlcnic_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1); | |
596 | if (rv != 0) | |
597 | dev_err(&adapter->netdev->dev, | |
598 | "Could not send configure hw lro request\n"); | |
599 | ||
af19b491 AKS |
600 | return rv; |
601 | } | |
602 | ||
2e9d722d | 603 | int qlcnic_config_bridged_mode(struct qlcnic_adapter *adapter, u32 enable) |
af19b491 AKS |
604 | { |
605 | struct qlcnic_nic_req req; | |
606 | u64 word; | |
607 | int rv; | |
608 | ||
609 | if (!!(adapter->flags & QLCNIC_BRIDGE_ENABLED) == enable) | |
610 | return 0; | |
611 | ||
612 | memset(&req, 0, sizeof(struct qlcnic_nic_req)); | |
613 | ||
614 | req.qhdr = cpu_to_le64(QLCNIC_HOST_REQUEST << 23); | |
615 | ||
616 | word = QLCNIC_H2C_OPCODE_CONFIG_BRIDGING | | |
617 | ((u64)adapter->portnum << 16); | |
618 | req.req_hdr = cpu_to_le64(word); | |
619 | ||
620 | req.words[0] = cpu_to_le64(enable); | |
621 | ||
622 | rv = qlcnic_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1); | |
623 | if (rv != 0) | |
624 | dev_err(&adapter->netdev->dev, | |
625 | "Could not send configure bridge mode request\n"); | |
626 | ||
627 | adapter->flags ^= QLCNIC_BRIDGE_ENABLED; | |
628 | ||
629 | return rv; | |
630 | } | |
631 | ||
632 | ||
633 | #define RSS_HASHTYPE_IP_TCP 0x3 | |
634 | ||
635 | int qlcnic_config_rss(struct qlcnic_adapter *adapter, int enable) | |
636 | { | |
637 | struct qlcnic_nic_req req; | |
638 | u64 word; | |
639 | int i, rv; | |
640 | ||
641 | const u64 key[] = { 0xbeac01fa6a42b73bULL, 0x8030f20c77cb2da3ULL, | |
642 | 0xae7b30b4d0ca2bcbULL, 0x43a38fb04167253dULL, | |
643 | 0x255b0ec26d5a56daULL }; | |
644 | ||
645 | ||
646 | memset(&req, 0, sizeof(struct qlcnic_nic_req)); | |
647 | req.qhdr = cpu_to_le64(QLCNIC_HOST_REQUEST << 23); | |
648 | ||
649 | word = QLCNIC_H2C_OPCODE_CONFIG_RSS | ((u64)adapter->portnum << 16); | |
650 | req.req_hdr = cpu_to_le64(word); | |
651 | ||
652 | /* | |
653 | * RSS request: | |
654 | * bits 3-0: hash_method | |
655 | * 5-4: hash_type_ipv4 | |
656 | * 7-6: hash_type_ipv6 | |
657 | * 8: enable | |
658 | * 9: use indirection table | |
659 | * 47-10: reserved | |
660 | * 63-48: indirection table mask | |
661 | */ | |
662 | word = ((u64)(RSS_HASHTYPE_IP_TCP & 0x3) << 4) | | |
663 | ((u64)(RSS_HASHTYPE_IP_TCP & 0x3) << 6) | | |
664 | ((u64)(enable & 0x1) << 8) | | |
665 | ((0x7ULL) << 48); | |
666 | req.words[0] = cpu_to_le64(word); | |
667 | for (i = 0; i < 5; i++) | |
668 | req.words[i+1] = cpu_to_le64(key[i]); | |
669 | ||
670 | rv = qlcnic_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1); | |
671 | if (rv != 0) | |
672 | dev_err(&adapter->netdev->dev, "could not configure RSS\n"); | |
673 | ||
674 | return rv; | |
675 | } | |
676 | ||
b501595c | 677 | int qlcnic_config_ipaddr(struct qlcnic_adapter *adapter, __be32 ip, int cmd) |
af19b491 AKS |
678 | { |
679 | struct qlcnic_nic_req req; | |
b501595c | 680 | struct qlcnic_ipaddr *ipa; |
af19b491 AKS |
681 | u64 word; |
682 | int rv; | |
683 | ||
684 | memset(&req, 0, sizeof(struct qlcnic_nic_req)); | |
685 | req.qhdr = cpu_to_le64(QLCNIC_HOST_REQUEST << 23); | |
686 | ||
687 | word = QLCNIC_H2C_OPCODE_CONFIG_IPADDR | ((u64)adapter->portnum << 16); | |
688 | req.req_hdr = cpu_to_le64(word); | |
689 | ||
690 | req.words[0] = cpu_to_le64(cmd); | |
b501595c SC |
691 | ipa = (struct qlcnic_ipaddr *)&req.words[1]; |
692 | ipa->ipv4 = ip; | |
af19b491 AKS |
693 | |
694 | rv = qlcnic_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1); | |
695 | if (rv != 0) | |
696 | dev_err(&adapter->netdev->dev, | |
697 | "could not notify %s IP 0x%x reuqest\n", | |
698 | (cmd == QLCNIC_IP_UP) ? "Add" : "Remove", ip); | |
699 | ||
700 | return rv; | |
701 | } | |
702 | ||
703 | int qlcnic_linkevent_request(struct qlcnic_adapter *adapter, int enable) | |
704 | { | |
705 | struct qlcnic_nic_req req; | |
706 | u64 word; | |
707 | int rv; | |
708 | ||
709 | memset(&req, 0, sizeof(struct qlcnic_nic_req)); | |
710 | req.qhdr = cpu_to_le64(QLCNIC_HOST_REQUEST << 23); | |
711 | ||
712 | word = QLCNIC_H2C_OPCODE_GET_LINKEVENT | ((u64)adapter->portnum << 16); | |
713 | req.req_hdr = cpu_to_le64(word); | |
714 | req.words[0] = cpu_to_le64(enable | (enable << 8)); | |
715 | ||
716 | rv = qlcnic_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1); | |
717 | if (rv != 0) | |
718 | dev_err(&adapter->netdev->dev, | |
719 | "could not configure link notification\n"); | |
720 | ||
721 | return rv; | |
722 | } | |
723 | ||
724 | int qlcnic_send_lro_cleanup(struct qlcnic_adapter *adapter) | |
725 | { | |
726 | struct qlcnic_nic_req req; | |
727 | u64 word; | |
728 | int rv; | |
729 | ||
730 | memset(&req, 0, sizeof(struct qlcnic_nic_req)); | |
731 | req.qhdr = cpu_to_le64(QLCNIC_HOST_REQUEST << 23); | |
732 | ||
733 | word = QLCNIC_H2C_OPCODE_LRO_REQUEST | | |
734 | ((u64)adapter->portnum << 16) | | |
735 | ((u64)QLCNIC_LRO_REQUEST_CLEANUP << 56) ; | |
736 | ||
737 | req.req_hdr = cpu_to_le64(word); | |
738 | ||
739 | rv = qlcnic_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1); | |
740 | if (rv != 0) | |
741 | dev_err(&adapter->netdev->dev, | |
742 | "could not cleanup lro flows\n"); | |
743 | ||
744 | return rv; | |
745 | } | |
746 | ||
747 | /* | |
748 | * qlcnic_change_mtu - Change the Maximum Transfer Unit | |
749 | * @returns 0 on success, negative on failure | |
750 | */ | |
751 | ||
752 | int qlcnic_change_mtu(struct net_device *netdev, int mtu) | |
753 | { | |
754 | struct qlcnic_adapter *adapter = netdev_priv(netdev); | |
755 | int rc = 0; | |
756 | ||
0bd9e6a9 SV |
757 | if (mtu < P3_MIN_MTU || mtu > P3_MAX_MTU) { |
758 | dev_err(&adapter->netdev->dev, "%d bytes < mtu < %d bytes" | |
759 | " not supported\n", P3_MAX_MTU, P3_MIN_MTU); | |
af19b491 AKS |
760 | return -EINVAL; |
761 | } | |
762 | ||
763 | rc = qlcnic_fw_cmd_set_mtu(adapter, mtu); | |
764 | ||
765 | if (!rc) | |
766 | netdev->mtu = mtu; | |
767 | ||
768 | return rc; | |
769 | } | |
770 | ||
af19b491 AKS |
771 | /* |
772 | * Changes the CRB window to the specified window. | |
773 | */ | |
774 | /* Returns < 0 if off is not valid, | |
775 | * 1 if window access is needed. 'off' is set to offset from | |
776 | * CRB space in 128M pci map | |
777 | * 0 if no window access is needed. 'off' is set to 2M addr | |
778 | * In: 'off' is offset from base in 128M pci map | |
779 | */ | |
780 | static int | |
781 | qlcnic_pci_get_crb_addr_2M(struct qlcnic_adapter *adapter, | |
782 | ulong off, void __iomem **addr) | |
783 | { | |
784 | const struct crb_128M_2M_sub_block_map *m; | |
785 | ||
786 | if ((off >= QLCNIC_CRB_MAX) || (off < QLCNIC_PCI_CRBSPACE)) | |
787 | return -EINVAL; | |
788 | ||
789 | off -= QLCNIC_PCI_CRBSPACE; | |
790 | ||
791 | /* | |
792 | * Try direct map | |
793 | */ | |
794 | m = &crb_128M_2M_map[CRB_BLK(off)].sub_block[CRB_SUBBLK(off)]; | |
795 | ||
796 | if (m->valid && (m->start_128M <= off) && (m->end_128M > off)) { | |
797 | *addr = adapter->ahw.pci_base0 + m->start_2M + | |
798 | (off - m->start_128M); | |
799 | return 0; | |
800 | } | |
801 | ||
802 | /* | |
803 | * Not in direct map, use crb window | |
804 | */ | |
805 | *addr = adapter->ahw.pci_base0 + CRB_INDIRECT_2M + (off & MASK(16)); | |
806 | return 1; | |
807 | } | |
808 | ||
809 | /* | |
810 | * In: 'off' is offset from CRB space in 128M pci map | |
811 | * Out: 'off' is 2M pci map addr | |
812 | * side effect: lock crb window | |
813 | */ | |
4de57826 | 814 | static int |
af19b491 AKS |
815 | qlcnic_pci_set_crbwindow_2M(struct qlcnic_adapter *adapter, ulong off) |
816 | { | |
817 | u32 window; | |
818 | void __iomem *addr = adapter->ahw.pci_base0 + CRB_WINDOW_2M; | |
819 | ||
820 | off -= QLCNIC_PCI_CRBSPACE; | |
821 | ||
822 | window = CRB_HI(off); | |
4de57826 AKS |
823 | if (window == 0) { |
824 | dev_err(&adapter->pdev->dev, "Invalid offset 0x%lx\n", off); | |
825 | return -EIO; | |
826 | } | |
af19b491 | 827 | |
af19b491 AKS |
828 | writel(window, addr); |
829 | if (readl(addr) != window) { | |
830 | if (printk_ratelimit()) | |
831 | dev_warn(&adapter->pdev->dev, | |
832 | "failed to set CRB window to %d off 0x%lx\n", | |
833 | window, off); | |
4de57826 | 834 | return -EIO; |
af19b491 | 835 | } |
4de57826 | 836 | return 0; |
af19b491 AKS |
837 | } |
838 | ||
839 | int | |
840 | qlcnic_hw_write_wx_2M(struct qlcnic_adapter *adapter, ulong off, u32 data) | |
841 | { | |
842 | unsigned long flags; | |
843 | int rv; | |
844 | void __iomem *addr = NULL; | |
845 | ||
846 | rv = qlcnic_pci_get_crb_addr_2M(adapter, off, &addr); | |
847 | ||
848 | if (rv == 0) { | |
849 | writel(data, addr); | |
850 | return 0; | |
851 | } | |
852 | ||
853 | if (rv > 0) { | |
854 | /* indirect access */ | |
855 | write_lock_irqsave(&adapter->ahw.crb_lock, flags); | |
856 | crb_win_lock(adapter); | |
4de57826 AKS |
857 | rv = qlcnic_pci_set_crbwindow_2M(adapter, off); |
858 | if (!rv) | |
859 | writel(data, addr); | |
af19b491 AKS |
860 | crb_win_unlock(adapter); |
861 | write_unlock_irqrestore(&adapter->ahw.crb_lock, flags); | |
4de57826 | 862 | return rv; |
af19b491 AKS |
863 | } |
864 | ||
865 | dev_err(&adapter->pdev->dev, | |
866 | "%s: invalid offset: 0x%016lx\n", __func__, off); | |
867 | dump_stack(); | |
868 | return -EIO; | |
869 | } | |
870 | ||
871 | u32 | |
872 | qlcnic_hw_read_wx_2M(struct qlcnic_adapter *adapter, ulong off) | |
873 | { | |
874 | unsigned long flags; | |
875 | int rv; | |
4de57826 | 876 | u32 data = -1; |
af19b491 AKS |
877 | void __iomem *addr = NULL; |
878 | ||
879 | rv = qlcnic_pci_get_crb_addr_2M(adapter, off, &addr); | |
880 | ||
881 | if (rv == 0) | |
882 | return readl(addr); | |
883 | ||
884 | if (rv > 0) { | |
885 | /* indirect access */ | |
886 | write_lock_irqsave(&adapter->ahw.crb_lock, flags); | |
887 | crb_win_lock(adapter); | |
4de57826 AKS |
888 | if (!qlcnic_pci_set_crbwindow_2M(adapter, off)) |
889 | data = readl(addr); | |
af19b491 AKS |
890 | crb_win_unlock(adapter); |
891 | write_unlock_irqrestore(&adapter->ahw.crb_lock, flags); | |
892 | return data; | |
893 | } | |
894 | ||
895 | dev_err(&adapter->pdev->dev, | |
896 | "%s: invalid offset: 0x%016lx\n", __func__, off); | |
897 | dump_stack(); | |
898 | return -1; | |
899 | } | |
900 | ||
901 | ||
902 | void __iomem * | |
903 | qlcnic_get_ioaddr(struct qlcnic_adapter *adapter, u32 offset) | |
904 | { | |
905 | void __iomem *addr = NULL; | |
906 | ||
907 | WARN_ON(qlcnic_pci_get_crb_addr_2M(adapter, offset, &addr)); | |
908 | ||
909 | return addr; | |
910 | } | |
911 | ||
912 | ||
913 | static int | |
914 | qlcnic_pci_set_window_2M(struct qlcnic_adapter *adapter, | |
915 | u64 addr, u32 *start) | |
916 | { | |
917 | u32 window; | |
af19b491 AKS |
918 | |
919 | window = OCM_WIN_P3P(addr); | |
920 | ||
921 | writel(window, adapter->ahw.ocm_win_crb); | |
922 | /* read back to flush */ | |
923 | readl(adapter->ahw.ocm_win_crb); | |
924 | ||
af19b491 AKS |
925 | *start = QLCNIC_PCI_OCM0_2M + GET_MEM_OFFS_2M(addr); |
926 | return 0; | |
927 | } | |
928 | ||
929 | static int | |
930 | qlcnic_pci_mem_access_direct(struct qlcnic_adapter *adapter, u64 off, | |
931 | u64 *data, int op) | |
932 | { | |
0c39aa48 | 933 | void __iomem *addr; |
af19b491 AKS |
934 | int ret; |
935 | u32 start; | |
936 | ||
937 | mutex_lock(&adapter->ahw.mem_lock); | |
938 | ||
939 | ret = qlcnic_pci_set_window_2M(adapter, off, &start); | |
940 | if (ret != 0) | |
941 | goto unlock; | |
942 | ||
0c39aa48 | 943 | addr = adapter->ahw.pci_base0 + start; |
af19b491 | 944 | |
af19b491 AKS |
945 | if (op == 0) /* read */ |
946 | *data = readq(addr); | |
947 | else /* write */ | |
948 | writeq(*data, addr); | |
949 | ||
950 | unlock: | |
951 | mutex_unlock(&adapter->ahw.mem_lock); | |
952 | ||
af19b491 AKS |
953 | return ret; |
954 | } | |
955 | ||
897e8c7c DP |
956 | void |
957 | qlcnic_pci_camqm_read_2M(struct qlcnic_adapter *adapter, u64 off, u64 *data) | |
958 | { | |
959 | void __iomem *addr = adapter->ahw.pci_base0 + | |
960 | QLCNIC_PCI_CAMQM_2M_BASE + (off - QLCNIC_PCI_CAMQM); | |
961 | ||
962 | mutex_lock(&adapter->ahw.mem_lock); | |
963 | *data = readq(addr); | |
964 | mutex_unlock(&adapter->ahw.mem_lock); | |
965 | } | |
966 | ||
967 | void | |
968 | qlcnic_pci_camqm_write_2M(struct qlcnic_adapter *adapter, u64 off, u64 data) | |
969 | { | |
970 | void __iomem *addr = adapter->ahw.pci_base0 + | |
971 | QLCNIC_PCI_CAMQM_2M_BASE + (off - QLCNIC_PCI_CAMQM); | |
972 | ||
973 | mutex_lock(&adapter->ahw.mem_lock); | |
974 | writeq(data, addr); | |
975 | mutex_unlock(&adapter->ahw.mem_lock); | |
976 | } | |
977 | ||
af19b491 AKS |
978 | #define MAX_CTL_CHECK 1000 |
979 | ||
980 | int | |
981 | qlcnic_pci_mem_write_2M(struct qlcnic_adapter *adapter, | |
982 | u64 off, u64 data) | |
983 | { | |
984 | int i, j, ret; | |
985 | u32 temp, off8; | |
af19b491 AKS |
986 | void __iomem *mem_crb; |
987 | ||
988 | /* Only 64-bit aligned access */ | |
989 | if (off & 7) | |
990 | return -EIO; | |
991 | ||
992 | /* P3 onward, test agent base for MIU and SIU is same */ | |
993 | if (ADDR_IN_RANGE(off, QLCNIC_ADDR_QDR_NET, | |
b47acacd | 994 | QLCNIC_ADDR_QDR_NET_MAX)) { |
af19b491 AKS |
995 | mem_crb = qlcnic_get_ioaddr(adapter, |
996 | QLCNIC_CRB_QDR_NET+MIU_TEST_AGT_BASE); | |
997 | goto correct; | |
998 | } | |
999 | ||
1000 | if (ADDR_IN_RANGE(off, QLCNIC_ADDR_DDR_NET, QLCNIC_ADDR_DDR_NET_MAX)) { | |
1001 | mem_crb = qlcnic_get_ioaddr(adapter, | |
1002 | QLCNIC_CRB_DDR_NET+MIU_TEST_AGT_BASE); | |
1003 | goto correct; | |
1004 | } | |
1005 | ||
1006 | if (ADDR_IN_RANGE(off, QLCNIC_ADDR_OCM0, QLCNIC_ADDR_OCM0_MAX)) | |
1007 | return qlcnic_pci_mem_access_direct(adapter, off, &data, 1); | |
1008 | ||
1009 | return -EIO; | |
1010 | ||
1011 | correct: | |
b47acacd | 1012 | off8 = off & ~0xf; |
af19b491 AKS |
1013 | |
1014 | mutex_lock(&adapter->ahw.mem_lock); | |
1015 | ||
1016 | writel(off8, (mem_crb + MIU_TEST_AGT_ADDR_LO)); | |
1017 | writel(0, (mem_crb + MIU_TEST_AGT_ADDR_HI)); | |
1018 | ||
1019 | i = 0; | |
b47acacd DP |
1020 | writel(TA_CTL_ENABLE, (mem_crb + TEST_AGT_CTRL)); |
1021 | writel((TA_CTL_START | TA_CTL_ENABLE), | |
1022 | (mem_crb + TEST_AGT_CTRL)); | |
af19b491 | 1023 | |
b47acacd DP |
1024 | for (j = 0; j < MAX_CTL_CHECK; j++) { |
1025 | temp = readl(mem_crb + TEST_AGT_CTRL); | |
1026 | if ((temp & TA_CTL_BUSY) == 0) | |
1027 | break; | |
1028 | } | |
af19b491 | 1029 | |
b47acacd DP |
1030 | if (j >= MAX_CTL_CHECK) { |
1031 | ret = -EIO; | |
1032 | goto done; | |
af19b491 AKS |
1033 | } |
1034 | ||
b47acacd DP |
1035 | i = (off & 0xf) ? 0 : 2; |
1036 | writel(readl(mem_crb + MIU_TEST_AGT_RDDATA(i)), | |
1037 | mem_crb + MIU_TEST_AGT_WRDATA(i)); | |
1038 | writel(readl(mem_crb + MIU_TEST_AGT_RDDATA(i+1)), | |
1039 | mem_crb + MIU_TEST_AGT_WRDATA(i+1)); | |
1040 | i = (off & 0xf) ? 2 : 0; | |
1041 | ||
af19b491 AKS |
1042 | writel(data & 0xffffffff, |
1043 | mem_crb + MIU_TEST_AGT_WRDATA(i)); | |
1044 | writel((data >> 32) & 0xffffffff, | |
1045 | mem_crb + MIU_TEST_AGT_WRDATA(i+1)); | |
1046 | ||
1047 | writel((TA_CTL_ENABLE | TA_CTL_WRITE), (mem_crb + TEST_AGT_CTRL)); | |
1048 | writel((TA_CTL_START | TA_CTL_ENABLE | TA_CTL_WRITE), | |
1049 | (mem_crb + TEST_AGT_CTRL)); | |
1050 | ||
1051 | 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; | |
1055 | } | |
1056 | ||
1057 | if (j >= MAX_CTL_CHECK) { | |
1058 | if (printk_ratelimit()) | |
1059 | dev_err(&adapter->pdev->dev, | |
1060 | "failed to write through agent\n"); | |
1061 | ret = -EIO; | |
1062 | } else | |
1063 | ret = 0; | |
1064 | ||
1065 | done: | |
1066 | mutex_unlock(&adapter->ahw.mem_lock); | |
1067 | ||
1068 | return ret; | |
1069 | } | |
1070 | ||
1071 | int | |
1072 | qlcnic_pci_mem_read_2M(struct qlcnic_adapter *adapter, | |
1073 | u64 off, u64 *data) | |
1074 | { | |
1075 | int j, ret; | |
1076 | u32 temp, off8; | |
b47acacd | 1077 | u64 val; |
af19b491 AKS |
1078 | void __iomem *mem_crb; |
1079 | ||
1080 | /* Only 64-bit aligned access */ | |
1081 | if (off & 7) | |
1082 | return -EIO; | |
1083 | ||
1084 | /* P3 onward, test agent base for MIU and SIU is same */ | |
1085 | if (ADDR_IN_RANGE(off, QLCNIC_ADDR_QDR_NET, | |
b47acacd | 1086 | QLCNIC_ADDR_QDR_NET_MAX)) { |
af19b491 AKS |
1087 | mem_crb = qlcnic_get_ioaddr(adapter, |
1088 | QLCNIC_CRB_QDR_NET+MIU_TEST_AGT_BASE); | |
1089 | goto correct; | |
1090 | } | |
1091 | ||
1092 | if (ADDR_IN_RANGE(off, QLCNIC_ADDR_DDR_NET, QLCNIC_ADDR_DDR_NET_MAX)) { | |
1093 | mem_crb = qlcnic_get_ioaddr(adapter, | |
1094 | QLCNIC_CRB_DDR_NET+MIU_TEST_AGT_BASE); | |
1095 | goto correct; | |
1096 | } | |
1097 | ||
1098 | if (ADDR_IN_RANGE(off, QLCNIC_ADDR_OCM0, QLCNIC_ADDR_OCM0_MAX)) { | |
1099 | return qlcnic_pci_mem_access_direct(adapter, | |
1100 | off, data, 0); | |
1101 | } | |
1102 | ||
1103 | return -EIO; | |
1104 | ||
1105 | correct: | |
b47acacd | 1106 | off8 = off & ~0xf; |
af19b491 AKS |
1107 | |
1108 | mutex_lock(&adapter->ahw.mem_lock); | |
1109 | ||
1110 | writel(off8, (mem_crb + MIU_TEST_AGT_ADDR_LO)); | |
1111 | writel(0, (mem_crb + MIU_TEST_AGT_ADDR_HI)); | |
1112 | writel(TA_CTL_ENABLE, (mem_crb + TEST_AGT_CTRL)); | |
1113 | writel((TA_CTL_START | TA_CTL_ENABLE), (mem_crb + TEST_AGT_CTRL)); | |
1114 | ||
1115 | for (j = 0; j < MAX_CTL_CHECK; j++) { | |
1116 | temp = readl(mem_crb + TEST_AGT_CTRL); | |
1117 | if ((temp & TA_CTL_BUSY) == 0) | |
1118 | break; | |
1119 | } | |
1120 | ||
1121 | if (j >= MAX_CTL_CHECK) { | |
1122 | if (printk_ratelimit()) | |
1123 | dev_err(&adapter->pdev->dev, | |
1124 | "failed to read through agent\n"); | |
1125 | ret = -EIO; | |
1126 | } else { | |
1127 | off8 = MIU_TEST_AGT_RDDATA_LO; | |
b47acacd | 1128 | if (off & 0xf) |
af19b491 AKS |
1129 | off8 = MIU_TEST_AGT_RDDATA_UPPER_LO; |
1130 | ||
1131 | temp = readl(mem_crb + off8 + 4); | |
1132 | val = (u64)temp << 32; | |
1133 | val |= readl(mem_crb + off8); | |
1134 | *data = val; | |
1135 | ret = 0; | |
1136 | } | |
1137 | ||
1138 | mutex_unlock(&adapter->ahw.mem_lock); | |
1139 | ||
1140 | return ret; | |
1141 | } | |
1142 | ||
1143 | int qlcnic_get_board_info(struct qlcnic_adapter *adapter) | |
1144 | { | |
1145 | int offset, board_type, magic; | |
1146 | struct pci_dev *pdev = adapter->pdev; | |
1147 | ||
1148 | offset = QLCNIC_FW_MAGIC_OFFSET; | |
1149 | if (qlcnic_rom_fast_read(adapter, offset, &magic)) | |
1150 | return -EIO; | |
1151 | ||
1152 | if (magic != QLCNIC_BDINFO_MAGIC) { | |
1153 | dev_err(&pdev->dev, "invalid board config, magic=%08x\n", | |
1154 | magic); | |
1155 | return -EIO; | |
1156 | } | |
1157 | ||
1158 | offset = QLCNIC_BRDTYPE_OFFSET; | |
1159 | if (qlcnic_rom_fast_read(adapter, offset, &board_type)) | |
1160 | return -EIO; | |
1161 | ||
1162 | adapter->ahw.board_type = board_type; | |
1163 | ||
1164 | if (board_type == QLCNIC_BRDTYPE_P3_4_GB_MM) { | |
1165 | u32 gpio = QLCRD32(adapter, QLCNIC_ROMUSB_GLB_PAD_GPIO_I); | |
1166 | if ((gpio & 0x8000) == 0) | |
1167 | board_type = QLCNIC_BRDTYPE_P3_10G_TP; | |
1168 | } | |
1169 | ||
1170 | switch (board_type) { | |
1171 | case QLCNIC_BRDTYPE_P3_HMEZ: | |
1172 | case QLCNIC_BRDTYPE_P3_XG_LOM: | |
1173 | case QLCNIC_BRDTYPE_P3_10G_CX4: | |
1174 | case QLCNIC_BRDTYPE_P3_10G_CX4_LP: | |
1175 | case QLCNIC_BRDTYPE_P3_IMEZ: | |
1176 | case QLCNIC_BRDTYPE_P3_10G_SFP_PLUS: | |
1177 | case QLCNIC_BRDTYPE_P3_10G_SFP_CT: | |
1178 | case QLCNIC_BRDTYPE_P3_10G_SFP_QT: | |
1179 | case QLCNIC_BRDTYPE_P3_10G_XFP: | |
1180 | case QLCNIC_BRDTYPE_P3_10000_BASE_T: | |
1181 | adapter->ahw.port_type = QLCNIC_XGBE; | |
1182 | break; | |
1183 | case QLCNIC_BRDTYPE_P3_REF_QG: | |
1184 | case QLCNIC_BRDTYPE_P3_4_GB: | |
1185 | case QLCNIC_BRDTYPE_P3_4_GB_MM: | |
1186 | adapter->ahw.port_type = QLCNIC_GBE; | |
1187 | break; | |
1188 | case QLCNIC_BRDTYPE_P3_10G_TP: | |
1189 | adapter->ahw.port_type = (adapter->portnum < 2) ? | |
1190 | QLCNIC_XGBE : QLCNIC_GBE; | |
1191 | break; | |
1192 | default: | |
1193 | dev_err(&pdev->dev, "unknown board type %x\n", board_type); | |
1194 | adapter->ahw.port_type = QLCNIC_XGBE; | |
1195 | break; | |
1196 | } | |
1197 | ||
1198 | return 0; | |
1199 | } | |
1200 | ||
1201 | int | |
1202 | qlcnic_wol_supported(struct qlcnic_adapter *adapter) | |
1203 | { | |
1204 | u32 wol_cfg; | |
1205 | ||
1206 | wol_cfg = QLCRD32(adapter, QLCNIC_WOL_CONFIG_NV); | |
1207 | if (wol_cfg & (1UL << adapter->portnum)) { | |
1208 | wol_cfg = QLCRD32(adapter, QLCNIC_WOL_CONFIG); | |
1209 | if (wol_cfg & (1 << adapter->portnum)) | |
1210 | return 1; | |
1211 | } | |
1212 | ||
1213 | return 0; | |
1214 | } | |
897d3596 SC |
1215 | |
1216 | int qlcnic_config_led(struct qlcnic_adapter *adapter, u32 state, u32 rate) | |
1217 | { | |
1218 | struct qlcnic_nic_req req; | |
1219 | int rv; | |
1220 | u64 word; | |
1221 | ||
1222 | memset(&req, 0, sizeof(struct qlcnic_nic_req)); | |
1223 | req.qhdr = cpu_to_le64(QLCNIC_HOST_REQUEST << 23); | |
1224 | ||
1225 | word = QLCNIC_H2C_OPCODE_CONFIG_LED | ((u64)adapter->portnum << 16); | |
1226 | req.req_hdr = cpu_to_le64(word); | |
1227 | ||
1228 | req.words[0] = cpu_to_le64((u64)rate << 32); | |
1229 | req.words[1] = cpu_to_le64(state); | |
1230 | ||
1231 | rv = qlcnic_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1); | |
1232 | if (rv) | |
1233 | dev_err(&adapter->pdev->dev, "LED configuration failed.\n"); | |
1234 | ||
1235 | return rv; | |
1236 | } | |
cdaff185 AKS |
1237 | |
1238 | static int qlcnic_set_fw_loopback(struct qlcnic_adapter *adapter, u32 flag) | |
1239 | { | |
1240 | struct qlcnic_nic_req req; | |
1241 | int rv; | |
1242 | u64 word; | |
1243 | ||
1244 | memset(&req, 0, sizeof(struct qlcnic_nic_req)); | |
1245 | req.qhdr = cpu_to_le64(QLCNIC_HOST_REQUEST << 23); | |
1246 | ||
1247 | word = QLCNIC_H2C_OPCODE_CONFIG_LOOPBACK | | |
1248 | ((u64)adapter->portnum << 16); | |
1249 | req.req_hdr = cpu_to_le64(word); | |
1250 | req.words[0] = cpu_to_le64(flag); | |
1251 | ||
1252 | rv = qlcnic_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1); | |
1253 | if (rv) | |
1254 | dev_err(&adapter->pdev->dev, | |
1255 | "%sting loopback mode failed.\n", | |
1256 | flag ? "Set" : "Reset"); | |
1257 | return rv; | |
1258 | } | |
1259 | ||
1260 | int qlcnic_set_ilb_mode(struct qlcnic_adapter *adapter) | |
1261 | { | |
1262 | if (qlcnic_set_fw_loopback(adapter, 1)) | |
1263 | return -EIO; | |
1264 | ||
1265 | if (qlcnic_nic_set_promisc(adapter, | |
1266 | VPORT_MISS_MODE_ACCEPT_ALL)) { | |
1267 | qlcnic_set_fw_loopback(adapter, 0); | |
1268 | return -EIO; | |
1269 | } | |
1270 | ||
1271 | msleep(1000); | |
1272 | return 0; | |
1273 | } | |
1274 | ||
1275 | void qlcnic_clear_ilb_mode(struct qlcnic_adapter *adapter) | |
1276 | { | |
1277 | int mode = VPORT_MISS_MODE_DROP; | |
1278 | struct net_device *netdev = adapter->netdev; | |
1279 | ||
1280 | qlcnic_set_fw_loopback(adapter, 0); | |
1281 | ||
1282 | if (netdev->flags & IFF_PROMISC) | |
1283 | mode = VPORT_MISS_MODE_ACCEPT_ALL; | |
1284 | else if (netdev->flags & IFF_ALLMULTI) | |
1285 | mode = VPORT_MISS_MODE_ACCEPT_MULTI; | |
1286 | ||
1287 | qlcnic_nic_set_promisc(adapter, mode); | |
8dec32cc | 1288 | msleep(1000); |
cdaff185 | 1289 | } |