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d7699f87 GFT |
1 | /* |
2 | * JMicron JMC2x0 series PCIe Ethernet Linux Device Driver | |
3 | * | |
4 | * Copyright 2008 JMicron Technology Corporation | |
5 | * http://www.jmicron.com/ | |
6 | * | |
3bf61c55 GFT |
7 | * Author: Guo-Fu Tseng <cooldavid@cooldavid.org> |
8 | * | |
d7699f87 GFT |
9 | * This program is free software; you can redistribute it and/or modify |
10 | * it under the terms of the GNU General Public License as published by | |
11 | * the Free Software Foundation; either version 2 of the License. | |
12 | * | |
13 | * This program is distributed in the hope that it will be useful, | |
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | * GNU General Public License for more details. | |
17 | * | |
18 | * You should have received a copy of the GNU General Public License | |
19 | * along with this program; if not, write to the Free Software | |
20 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | |
21 | * | |
22 | */ | |
23 | ||
79ce639c | 24 | /* |
b3821cc5 | 25 | * TODO: |
b3821cc5 | 26 | * - Decode register dump for ethtool. |
d7699f87 GFT |
27 | */ |
28 | ||
4330c2f2 | 29 | #include <linux/version.h> |
d7699f87 GFT |
30 | #include <linux/module.h> |
31 | #include <linux/kernel.h> | |
32 | #include <linux/pci.h> | |
33 | #include <linux/netdevice.h> | |
34 | #include <linux/etherdevice.h> | |
35 | #include <linux/ethtool.h> | |
36 | #include <linux/mii.h> | |
37 | #include <linux/crc32.h> | |
4330c2f2 | 38 | #include <linux/delay.h> |
29bdd921 | 39 | #include <linux/spinlock.h> |
8c198884 GFT |
40 | #include <linux/in.h> |
41 | #include <linux/ip.h> | |
79ce639c GFT |
42 | #include <linux/ipv6.h> |
43 | #include <linux/tcp.h> | |
44 | #include <linux/udp.h> | |
42b1055e | 45 | #include <linux/if_vlan.h> |
d7699f87 GFT |
46 | #include "jme.h" |
47 | ||
4330c2f2 | 48 | #if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,21) |
3bf61c55 GFT |
49 | static struct net_device_stats * |
50 | jme_get_stats(struct net_device *netdev) | |
4330c2f2 GFT |
51 | { |
52 | struct jme_adapter *jme = netdev_priv(netdev); | |
53 | return &jme->stats; | |
54 | } | |
55 | #endif | |
56 | ||
3bf61c55 GFT |
57 | static int |
58 | jme_mdio_read(struct net_device *netdev, int phy, int reg) | |
d7699f87 GFT |
59 | { |
60 | struct jme_adapter *jme = netdev_priv(netdev); | |
186fc259 | 61 | int i, val, again = (reg == MII_BMSR)?1:0; |
d7699f87 | 62 | |
186fc259 | 63 | read_again: |
d7699f87 | 64 | jwrite32(jme, JME_SMI, SMI_OP_REQ | |
3bf61c55 GFT |
65 | smi_phy_addr(phy) | |
66 | smi_reg_addr(reg)); | |
d7699f87 GFT |
67 | |
68 | wmb(); | |
cdcdc9eb GFT |
69 | for (i = JME_PHY_TIMEOUT * 50 ; i > 0 ; --i) { |
70 | udelay(20); | |
b3821cc5 GFT |
71 | val = jread32(jme, JME_SMI); |
72 | if ((val & SMI_OP_REQ) == 0) | |
3bf61c55 | 73 | break; |
d7699f87 GFT |
74 | } |
75 | ||
76 | if (i == 0) { | |
cdcdc9eb | 77 | jeprintk("jme", "phy(%d) read timeout : %d\n", phy, reg); |
3bf61c55 | 78 | return 0; |
d7699f87 GFT |
79 | } |
80 | ||
186fc259 GFT |
81 | if(again--) |
82 | goto read_again; | |
83 | ||
3bf61c55 | 84 | return ((val & SMI_DATA_MASK) >> SMI_DATA_SHIFT); |
d7699f87 GFT |
85 | } |
86 | ||
3bf61c55 GFT |
87 | static void |
88 | jme_mdio_write(struct net_device *netdev, | |
89 | int phy, int reg, int val) | |
d7699f87 GFT |
90 | { |
91 | struct jme_adapter *jme = netdev_priv(netdev); | |
92 | int i; | |
93 | ||
3bf61c55 GFT |
94 | jwrite32(jme, JME_SMI, SMI_OP_WRITE | SMI_OP_REQ | |
95 | ((val << SMI_DATA_SHIFT) & SMI_DATA_MASK) | | |
96 | smi_phy_addr(phy) | smi_reg_addr(reg)); | |
d7699f87 GFT |
97 | |
98 | wmb(); | |
cdcdc9eb GFT |
99 | for (i = JME_PHY_TIMEOUT * 50 ; i > 0 ; --i) { |
100 | udelay(20); | |
8d27293f | 101 | if ((jread32(jme, JME_SMI) & SMI_OP_REQ) == 0) |
3bf61c55 GFT |
102 | break; |
103 | } | |
d7699f87 | 104 | |
3bf61c55 | 105 | if (i == 0) |
cdcdc9eb | 106 | jeprintk("jme", "phy(%d) write timeout : %d\n", phy, reg); |
d7699f87 | 107 | |
3bf61c55 | 108 | return; |
d7699f87 GFT |
109 | } |
110 | ||
3bf61c55 GFT |
111 | __always_inline static void |
112 | jme_reset_phy_processor(struct jme_adapter *jme) | |
d7699f87 | 113 | { |
fcf45b4c | 114 | __u32 val; |
3bf61c55 GFT |
115 | |
116 | jme_mdio_write(jme->dev, | |
117 | jme->mii_if.phy_id, | |
8c198884 GFT |
118 | MII_ADVERTISE, ADVERTISE_ALL | |
119 | ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM); | |
3bf61c55 | 120 | |
8d27293f GFT |
121 | if(jme->pdev->device == JME_GE_DEVICE) |
122 | jme_mdio_write(jme->dev, | |
123 | jme->mii_if.phy_id, | |
124 | MII_CTRL1000, | |
125 | ADVERTISE_1000FULL | ADVERTISE_1000HALF); | |
3bf61c55 | 126 | |
fcf45b4c GFT |
127 | val = jme_mdio_read(jme->dev, |
128 | jme->mii_if.phy_id, | |
129 | MII_BMCR); | |
130 | ||
131 | jme_mdio_write(jme->dev, | |
132 | jme->mii_if.phy_id, | |
133 | MII_BMCR, val | BMCR_RESET); | |
134 | ||
3bf61c55 GFT |
135 | return; |
136 | } | |
137 | ||
b3821cc5 GFT |
138 | static void |
139 | jme_setup_wakeup_frame(struct jme_adapter *jme, | |
140 | __u32 *mask, __u32 crc, int fnr) | |
141 | { | |
142 | int i; | |
143 | ||
144 | /* | |
145 | * Setup CRC pattern | |
146 | */ | |
147 | jwrite32(jme, JME_WFOI, WFOI_CRC_SEL | (fnr & WFOI_FRAME_SEL)); | |
148 | wmb(); | |
149 | jwrite32(jme, JME_WFODP, crc); | |
150 | wmb(); | |
151 | ||
152 | /* | |
153 | * Setup Mask | |
154 | */ | |
155 | for(i = 0 ; i < WAKEUP_FRAME_MASK_DWNR ; ++i) { | |
156 | jwrite32(jme, JME_WFOI, | |
157 | ((i << WFOI_MASK_SHIFT) & WFOI_MASK_SEL) | | |
158 | (fnr & WFOI_FRAME_SEL)); | |
159 | wmb(); | |
160 | jwrite32(jme, JME_WFODP, mask[i]); | |
161 | wmb(); | |
162 | } | |
163 | } | |
3bf61c55 GFT |
164 | |
165 | __always_inline static void | |
166 | jme_reset_mac_processor(struct jme_adapter *jme) | |
167 | { | |
b3821cc5 GFT |
168 | __u32 mask[WAKEUP_FRAME_MASK_DWNR] = {0,0,0,0}; |
169 | __u32 crc = 0xCDCDCDCD; | |
cdcdc9eb | 170 | __u32 gpreg0; |
b3821cc5 GFT |
171 | int i; |
172 | ||
3bf61c55 | 173 | jwrite32(jme, JME_GHC, jme->reg_ghc | GHC_SWRST); |
d7699f87 | 174 | udelay(2); |
3bf61c55 | 175 | jwrite32(jme, JME_GHC, jme->reg_ghc); |
4330c2f2 GFT |
176 | jwrite32(jme, JME_RXMCHT_LO, 0x00000000); |
177 | jwrite32(jme, JME_RXMCHT_HI, 0x00000000); | |
b3821cc5 GFT |
178 | for(i = 0 ; i < WAKEUP_FRAME_NR ; ++i) |
179 | jme_setup_wakeup_frame(jme, mask, crc, i); | |
cdcdc9eb GFT |
180 | if(jme->fpgaver) |
181 | gpreg0 = GPREG0_DEFAULT | GPREG0_LNKINTPOLL; | |
182 | else | |
183 | gpreg0 = GPREG0_DEFAULT; | |
184 | jwrite32(jme, JME_GPREG0, gpreg0); | |
4330c2f2 | 185 | jwrite32(jme, JME_GPREG1, 0); |
d7699f87 GFT |
186 | } |
187 | ||
3bf61c55 GFT |
188 | __always_inline static void |
189 | jme_clear_pm(struct jme_adapter *jme) | |
d7699f87 | 190 | { |
29bdd921 | 191 | jwrite32(jme, JME_PMCS, 0xFFFF0000 | jme->reg_pmcs); |
4330c2f2 | 192 | pci_set_power_state(jme->pdev, PCI_D0); |
42b1055e | 193 | pci_enable_wake(jme->pdev, PCI_D0, false); |
d7699f87 GFT |
194 | } |
195 | ||
3bf61c55 GFT |
196 | static int |
197 | jme_reload_eeprom(struct jme_adapter *jme) | |
d7699f87 GFT |
198 | { |
199 | __u32 val; | |
200 | int i; | |
201 | ||
202 | val = jread32(jme, JME_SMBCSR); | |
203 | ||
204 | if(val & SMBCSR_EEPROMD) | |
205 | { | |
206 | val |= SMBCSR_CNACK; | |
207 | jwrite32(jme, JME_SMBCSR, val); | |
208 | val |= SMBCSR_RELOAD; | |
209 | jwrite32(jme, JME_SMBCSR, val); | |
210 | mdelay(12); | |
211 | ||
186fc259 | 212 | for (i = JME_EEPROM_RELOAD_TIMEOUT; i > 0; --i) |
d7699f87 GFT |
213 | { |
214 | mdelay(1); | |
215 | if ((jread32(jme, JME_SMBCSR) & SMBCSR_RELOAD) == 0) | |
216 | break; | |
217 | } | |
218 | ||
219 | if(i == 0) { | |
186fc259 | 220 | jeprintk("jme", "eeprom reload timeout\n"); |
d7699f87 GFT |
221 | return -EIO; |
222 | } | |
223 | } | |
3bf61c55 | 224 | |
d7699f87 GFT |
225 | return 0; |
226 | } | |
227 | ||
3bf61c55 GFT |
228 | static void |
229 | jme_load_macaddr(struct net_device *netdev) | |
d7699f87 GFT |
230 | { |
231 | struct jme_adapter *jme = netdev_priv(netdev); | |
232 | unsigned char macaddr[6]; | |
233 | __u32 val; | |
234 | ||
fcf45b4c | 235 | spin_lock(&jme->macaddr_lock); |
4330c2f2 | 236 | val = jread32(jme, JME_RXUMA_LO); |
d7699f87 GFT |
237 | macaddr[0] = (val >> 0) & 0xFF; |
238 | macaddr[1] = (val >> 8) & 0xFF; | |
239 | macaddr[2] = (val >> 16) & 0xFF; | |
240 | macaddr[3] = (val >> 24) & 0xFF; | |
4330c2f2 | 241 | val = jread32(jme, JME_RXUMA_HI); |
d7699f87 GFT |
242 | macaddr[4] = (val >> 0) & 0xFF; |
243 | macaddr[5] = (val >> 8) & 0xFF; | |
244 | memcpy(netdev->dev_addr, macaddr, 6); | |
fcf45b4c | 245 | spin_unlock(&jme->macaddr_lock); |
3bf61c55 GFT |
246 | } |
247 | ||
fcf45b4c | 248 | __always_inline static void |
3bf61c55 GFT |
249 | jme_set_rx_pcc(struct jme_adapter *jme, int p) |
250 | { | |
251 | switch(p) { | |
192570e0 GFT |
252 | case PCC_OFF: |
253 | jwrite32(jme, JME_PCCRX0, | |
254 | ((PCC_OFF_TO << PCCRXTO_SHIFT) & PCCRXTO_MASK) | | |
255 | ((PCC_OFF_CNT << PCCRX_SHIFT) & PCCRX_MASK)); | |
256 | break; | |
3bf61c55 GFT |
257 | case PCC_P1: |
258 | jwrite32(jme, JME_PCCRX0, | |
259 | ((PCC_P1_TO << PCCRXTO_SHIFT) & PCCRXTO_MASK) | | |
260 | ((PCC_P1_CNT << PCCRX_SHIFT) & PCCRX_MASK)); | |
261 | break; | |
262 | case PCC_P2: | |
263 | jwrite32(jme, JME_PCCRX0, | |
264 | ((PCC_P2_TO << PCCRXTO_SHIFT) & PCCRXTO_MASK) | | |
265 | ((PCC_P2_CNT << PCCRX_SHIFT) & PCCRX_MASK)); | |
266 | break; | |
267 | case PCC_P3: | |
268 | jwrite32(jme, JME_PCCRX0, | |
269 | ((PCC_P3_TO << PCCRXTO_SHIFT) & PCCRXTO_MASK) | | |
270 | ((PCC_P3_CNT << PCCRX_SHIFT) & PCCRX_MASK)); | |
271 | break; | |
272 | default: | |
273 | break; | |
274 | } | |
192570e0 | 275 | wmb(); |
3bf61c55 | 276 | |
192570e0 GFT |
277 | if(!(jme->flags & JME_FLAG_POLL)) |
278 | dprintk(jme->dev->name, "Switched to PCC_P%d\n", p); | |
d7699f87 GFT |
279 | } |
280 | ||
fcf45b4c | 281 | static void |
3bf61c55 | 282 | jme_start_irq(struct jme_adapter *jme) |
d7699f87 | 283 | { |
3bf61c55 GFT |
284 | register struct dynpcc_info *dpi = &(jme->dpi); |
285 | ||
286 | jme_set_rx_pcc(jme, PCC_P1); | |
3bf61c55 GFT |
287 | dpi->cur = PCC_P1; |
288 | dpi->attempt = PCC_P1; | |
289 | dpi->cnt = 0; | |
290 | ||
291 | jwrite32(jme, JME_PCCTX, | |
8c198884 GFT |
292 | ((PCC_TX_TO << PCCTXTO_SHIFT) & PCCTXTO_MASK) | |
293 | ((PCC_TX_CNT << PCCTX_SHIFT) & PCCTX_MASK) | | |
3bf61c55 GFT |
294 | PCCTXQ0_EN |
295 | ); | |
296 | ||
d7699f87 GFT |
297 | /* |
298 | * Enable Interrupts | |
299 | */ | |
300 | jwrite32(jme, JME_IENS, INTR_ENABLE); | |
301 | } | |
302 | ||
3bf61c55 GFT |
303 | __always_inline static void |
304 | jme_stop_irq(struct jme_adapter *jme) | |
d7699f87 GFT |
305 | { |
306 | /* | |
307 | * Disable Interrupts | |
308 | */ | |
309 | jwrite32(jme, JME_IENC, INTR_ENABLE); | |
310 | } | |
311 | ||
4330c2f2 | 312 | |
3bf61c55 GFT |
313 | __always_inline static void |
314 | jme_enable_shadow(struct jme_adapter *jme) | |
4330c2f2 GFT |
315 | { |
316 | jwrite32(jme, | |
317 | JME_SHBA_LO, | |
318 | ((__u32)jme->shadow_dma & ~((__u32)0x1F)) | SHBA_POSTEN); | |
319 | } | |
320 | ||
3bf61c55 GFT |
321 | __always_inline static void |
322 | jme_disable_shadow(struct jme_adapter *jme) | |
4330c2f2 GFT |
323 | { |
324 | jwrite32(jme, JME_SHBA_LO, 0x0); | |
325 | } | |
326 | ||
cdcdc9eb GFT |
327 | static __u32 |
328 | jme_linkstat_from_phy(struct jme_adapter *jme) | |
329 | { | |
330 | __u32 phylink, bmsr; | |
331 | ||
332 | phylink = jme_mdio_read(jme->dev, jme->mii_if.phy_id, 17); | |
333 | bmsr = jme_mdio_read(jme->dev, jme->mii_if.phy_id, MII_BMSR); | |
8d27293f | 334 | if(bmsr & BMSR_ANCOMP) |
cdcdc9eb GFT |
335 | phylink |= PHY_LINK_AUTONEG_COMPLETE; |
336 | ||
337 | return phylink; | |
338 | } | |
339 | ||
fcf45b4c GFT |
340 | static int |
341 | jme_check_link(struct net_device *netdev, int testonly) | |
d7699f87 GFT |
342 | { |
343 | struct jme_adapter *jme = netdev_priv(netdev); | |
8c198884 | 344 | __u32 phylink, ghc, cnt = JME_SPDRSV_TIMEOUT, bmcr; |
79ce639c | 345 | char linkmsg[64]; |
fcf45b4c | 346 | int rc = 0; |
d7699f87 | 347 | |
b3821cc5 | 348 | linkmsg[0] = '\0'; |
cdcdc9eb GFT |
349 | |
350 | if(jme->fpgaver) | |
351 | phylink = jme_linkstat_from_phy(jme); | |
352 | else | |
353 | phylink = jread32(jme, JME_PHY_LINK); | |
d7699f87 GFT |
354 | |
355 | if (phylink & PHY_LINK_UP) { | |
8c198884 GFT |
356 | if(!(phylink & PHY_LINK_AUTONEG_COMPLETE)) { |
357 | /* | |
358 | * If we did not enable AN | |
359 | * Speed/Duplex Info should be obtained from SMI | |
360 | */ | |
361 | phylink = PHY_LINK_UP; | |
362 | ||
363 | bmcr = jme_mdio_read(jme->dev, | |
364 | jme->mii_if.phy_id, | |
365 | MII_BMCR); | |
366 | ||
79ce639c | 367 | |
8c198884 GFT |
368 | phylink |= ((bmcr & BMCR_SPEED1000) && |
369 | (bmcr & BMCR_SPEED100) == 0) ? | |
370 | PHY_LINK_SPEED_1000M : | |
371 | (bmcr & BMCR_SPEED100) ? | |
372 | PHY_LINK_SPEED_100M : | |
373 | PHY_LINK_SPEED_10M; | |
374 | ||
375 | phylink |= (bmcr & BMCR_FULLDPLX) ? | |
376 | PHY_LINK_DUPLEX : 0; | |
79ce639c | 377 | |
b3821cc5 | 378 | strcat(linkmsg, "Forced: "); |
8c198884 GFT |
379 | } |
380 | else { | |
381 | /* | |
382 | * Keep polling for speed/duplex resolve complete | |
383 | */ | |
384 | while(!(phylink & PHY_LINK_SPEEDDPU_RESOLVED) && | |
385 | --cnt) { | |
386 | ||
387 | udelay(1); | |
8c198884 | 388 | |
cdcdc9eb GFT |
389 | if(jme->fpgaver) |
390 | phylink = jme_linkstat_from_phy(jme); | |
391 | else | |
392 | phylink = jread32(jme, JME_PHY_LINK); | |
8c198884 GFT |
393 | } |
394 | ||
395 | if(!cnt) | |
396 | jeprintk(netdev->name, | |
397 | "Waiting speed resolve timeout.\n"); | |
79ce639c | 398 | |
b3821cc5 | 399 | strcat(linkmsg, "ANed: "); |
d7699f87 GFT |
400 | } |
401 | ||
fcf45b4c GFT |
402 | if(jme->phylink == phylink) { |
403 | rc = 1; | |
404 | goto out; | |
405 | } | |
406 | if(testonly) | |
407 | goto out; | |
408 | ||
409 | jme->phylink = phylink; | |
410 | ||
cdcdc9eb GFT |
411 | ghc = jme->reg_ghc & ~(GHC_SPEED_10M | |
412 | GHC_SPEED_100M | | |
413 | GHC_SPEED_1000M | | |
414 | GHC_DPX); | |
d7699f87 GFT |
415 | switch(phylink & PHY_LINK_SPEED_MASK) { |
416 | case PHY_LINK_SPEED_10M: | |
cdcdc9eb | 417 | ghc |= GHC_SPEED_10M; |
b3821cc5 | 418 | strcat(linkmsg, "10 Mbps, "); |
d7699f87 GFT |
419 | break; |
420 | case PHY_LINK_SPEED_100M: | |
cdcdc9eb | 421 | ghc |= GHC_SPEED_100M; |
b3821cc5 | 422 | strcat(linkmsg, "100 Mbps, "); |
d7699f87 GFT |
423 | break; |
424 | case PHY_LINK_SPEED_1000M: | |
cdcdc9eb | 425 | ghc |= GHC_SPEED_1000M; |
b3821cc5 | 426 | strcat(linkmsg, "1000 Mbps, "); |
d7699f87 GFT |
427 | break; |
428 | default: | |
d7699f87 GFT |
429 | break; |
430 | } | |
431 | ghc |= (phylink & PHY_LINK_DUPLEX) ? GHC_DPX : 0; | |
fcf45b4c | 432 | |
d7699f87 | 433 | strcat(linkmsg, (phylink &PHY_LINK_DUPLEX) ? |
fcf45b4c GFT |
434 | "Full-Duplex, " : |
435 | "Half-Duplex, "); | |
436 | ||
437 | if(phylink & PHY_LINK_MDI_STAT) | |
fcf45b4c | 438 | strcat(linkmsg, "MDI-X"); |
8c198884 GFT |
439 | else |
440 | strcat(linkmsg, "MDI"); | |
d7699f87 GFT |
441 | |
442 | if(phylink & PHY_LINK_DUPLEX) | |
443 | jwrite32(jme, JME_TXMCS, TXMCS_DEFAULT); | |
8c198884 | 444 | else { |
d7699f87 | 445 | jwrite32(jme, JME_TXMCS, TXMCS_DEFAULT | |
3bf61c55 GFT |
446 | TXMCS_BACKOFF | |
447 | TXMCS_CARRIERSENSE | | |
448 | TXMCS_COLLISION); | |
8c198884 GFT |
449 | jwrite32(jme, JME_TXTRHD, TXTRHD_TXPEN | |
450 | ((0x2000 << TXTRHD_TXP_SHIFT) & TXTRHD_TXP) | | |
451 | TXTRHD_TXREN | | |
452 | ((8 << TXTRHD_TXRL_SHIFT) & TXTRHD_TXRL)); | |
453 | } | |
d7699f87 | 454 | |
fcf45b4c GFT |
455 | jme->reg_ghc = ghc; |
456 | jwrite32(jme, JME_GHC, ghc); | |
457 | ||
4330c2f2 | 458 | jprintk(netdev->name, "Link is up at %s.\n", linkmsg); |
d7699f87 GFT |
459 | netif_carrier_on(netdev); |
460 | } | |
461 | else { | |
fcf45b4c GFT |
462 | if(testonly) |
463 | goto out; | |
464 | ||
4330c2f2 | 465 | jprintk(netdev->name, "Link is down.\n"); |
fcf45b4c | 466 | jme->phylink = 0; |
d7699f87 GFT |
467 | netif_carrier_off(netdev); |
468 | } | |
fcf45b4c GFT |
469 | |
470 | out: | |
471 | return rc; | |
d7699f87 GFT |
472 | } |
473 | ||
3bf61c55 GFT |
474 | static int |
475 | jme_setup_tx_resources(struct jme_adapter *jme) | |
d7699f87 | 476 | { |
d7699f87 GFT |
477 | struct jme_ring *txring = &(jme->txring[0]); |
478 | ||
479 | txring->alloc = dma_alloc_coherent(&(jme->pdev->dev), | |
b3821cc5 GFT |
480 | TX_RING_ALLOC_SIZE(jme->tx_ring_size), |
481 | &(txring->dmaalloc), | |
482 | GFP_ATOMIC); | |
fcf45b4c | 483 | |
4330c2f2 GFT |
484 | if(!txring->alloc) { |
485 | txring->desc = NULL; | |
486 | txring->dmaalloc = 0; | |
487 | txring->dma = 0; | |
d7699f87 | 488 | return -ENOMEM; |
4330c2f2 | 489 | } |
d7699f87 GFT |
490 | |
491 | /* | |
492 | * 16 Bytes align | |
493 | */ | |
3bf61c55 GFT |
494 | txring->desc = (void*)ALIGN((unsigned long)(txring->alloc), |
495 | RING_DESC_ALIGN); | |
4330c2f2 | 496 | txring->dma = ALIGN(txring->dmaalloc, RING_DESC_ALIGN); |
d7699f87 | 497 | txring->next_to_use = 0; |
cdcdc9eb | 498 | atomic_set(&txring->next_to_clean, 0); |
b3821cc5 | 499 | atomic_set(&txring->nr_free, jme->tx_ring_size); |
d7699f87 GFT |
500 | |
501 | /* | |
b3821cc5 | 502 | * Initialize Transmit Descriptors |
d7699f87 | 503 | */ |
b3821cc5 | 504 | memset(txring->alloc, 0, TX_RING_ALLOC_SIZE(jme->tx_ring_size)); |
3bf61c55 | 505 | memset(txring->bufinf, 0, |
b3821cc5 | 506 | sizeof(struct jme_buffer_info) * jme->tx_ring_size); |
d7699f87 GFT |
507 | |
508 | return 0; | |
509 | } | |
510 | ||
3bf61c55 GFT |
511 | static void |
512 | jme_free_tx_resources(struct jme_adapter *jme) | |
d7699f87 GFT |
513 | { |
514 | int i; | |
515 | struct jme_ring *txring = &(jme->txring[0]); | |
4330c2f2 | 516 | struct jme_buffer_info *txbi = txring->bufinf; |
d7699f87 GFT |
517 | |
518 | if(txring->alloc) { | |
b3821cc5 | 519 | for(i = 0 ; i < jme->tx_ring_size ; ++i) { |
4330c2f2 GFT |
520 | txbi = txring->bufinf + i; |
521 | if(txbi->skb) { | |
522 | dev_kfree_skb(txbi->skb); | |
523 | txbi->skb = NULL; | |
d7699f87 | 524 | } |
47220951 GFT |
525 | txbi->mapping = 0; |
526 | txbi->len = 0; | |
527 | txbi->nr_desc = 0; | |
528 | txbi->start_xmit = 0; | |
d7699f87 GFT |
529 | } |
530 | ||
531 | dma_free_coherent(&(jme->pdev->dev), | |
b3821cc5 | 532 | TX_RING_ALLOC_SIZE(jme->tx_ring_size), |
d7699f87 GFT |
533 | txring->alloc, |
534 | txring->dmaalloc); | |
3bf61c55 GFT |
535 | |
536 | txring->alloc = NULL; | |
537 | txring->desc = NULL; | |
538 | txring->dmaalloc = 0; | |
539 | txring->dma = 0; | |
d7699f87 | 540 | } |
3bf61c55 | 541 | txring->next_to_use = 0; |
cdcdc9eb | 542 | atomic_set(&txring->next_to_clean, 0); |
79ce639c | 543 | atomic_set(&txring->nr_free, 0); |
d7699f87 GFT |
544 | |
545 | } | |
546 | ||
3bf61c55 GFT |
547 | __always_inline static void |
548 | jme_enable_tx_engine(struct jme_adapter *jme) | |
d7699f87 GFT |
549 | { |
550 | /* | |
551 | * Select Queue 0 | |
552 | */ | |
553 | jwrite32(jme, JME_TXCS, TXCS_DEFAULT | TXCS_SELECT_QUEUE0); | |
554 | ||
555 | /* | |
556 | * Setup TX Queue 0 DMA Bass Address | |
557 | */ | |
fcf45b4c | 558 | jwrite32(jme, JME_TXDBA_LO, (__u64)jme->txring[0].dma & 0xFFFFFFFFUL); |
3bf61c55 | 559 | jwrite32(jme, JME_TXDBA_HI, (__u64)(jme->txring[0].dma) >> 32); |
fcf45b4c | 560 | jwrite32(jme, JME_TXNDA, (__u64)jme->txring[0].dma & 0xFFFFFFFFUL); |
d7699f87 GFT |
561 | |
562 | /* | |
563 | * Setup TX Descptor Count | |
564 | */ | |
b3821cc5 | 565 | jwrite32(jme, JME_TXQDC, jme->tx_ring_size); |
d7699f87 GFT |
566 | |
567 | /* | |
568 | * Enable TX Engine | |
569 | */ | |
570 | wmb(); | |
4330c2f2 GFT |
571 | jwrite32(jme, JME_TXCS, jme->reg_txcs | |
572 | TXCS_SELECT_QUEUE0 | | |
573 | TXCS_ENABLE); | |
d7699f87 GFT |
574 | |
575 | } | |
576 | ||
29bdd921 GFT |
577 | __always_inline static void |
578 | jme_restart_tx_engine(struct jme_adapter *jme) | |
579 | { | |
580 | /* | |
581 | * Restart TX Engine | |
582 | */ | |
583 | jwrite32(jme, JME_TXCS, jme->reg_txcs | | |
584 | TXCS_SELECT_QUEUE0 | | |
585 | TXCS_ENABLE); | |
586 | } | |
587 | ||
3bf61c55 GFT |
588 | __always_inline static void |
589 | jme_disable_tx_engine(struct jme_adapter *jme) | |
d7699f87 GFT |
590 | { |
591 | int i; | |
592 | __u32 val; | |
593 | ||
594 | /* | |
595 | * Disable TX Engine | |
596 | */ | |
fcf45b4c | 597 | jwrite32(jme, JME_TXCS, jme->reg_txcs | TXCS_SELECT_QUEUE0); |
d7699f87 GFT |
598 | |
599 | val = jread32(jme, JME_TXCS); | |
600 | for(i = JME_TX_DISABLE_TIMEOUT ; (val & TXCS_ENABLE) && i > 0 ; --i) | |
601 | { | |
fcf45b4c | 602 | mdelay(1); |
d7699f87 GFT |
603 | val = jread32(jme, JME_TXCS); |
604 | } | |
605 | ||
8c198884 | 606 | if(!i) { |
4330c2f2 | 607 | jeprintk(jme->dev->name, "Disable TX engine timeout.\n"); |
8c198884 GFT |
608 | jme_reset_mac_processor(jme); |
609 | } | |
d7699f87 GFT |
610 | |
611 | ||
612 | } | |
613 | ||
3bf61c55 GFT |
614 | static void |
615 | jme_set_clean_rxdesc(struct jme_adapter *jme, int i) | |
d7699f87 GFT |
616 | { |
617 | struct jme_ring *rxring = jme->rxring; | |
3bf61c55 | 618 | register volatile struct rxdesc* rxdesc = rxring->desc; |
4330c2f2 GFT |
619 | struct jme_buffer_info *rxbi = rxring->bufinf; |
620 | rxdesc += i; | |
621 | rxbi += i; | |
622 | ||
623 | rxdesc->dw[0] = 0; | |
624 | rxdesc->dw[1] = 0; | |
3bf61c55 | 625 | rxdesc->desc1.bufaddrh = cpu_to_le32((__u64)rxbi->mapping >> 32); |
fcf45b4c GFT |
626 | rxdesc->desc1.bufaddrl = cpu_to_le32( |
627 | (__u64)rxbi->mapping & 0xFFFFFFFFUL); | |
3bf61c55 GFT |
628 | rxdesc->desc1.datalen = cpu_to_le16(rxbi->len); |
629 | if(jme->dev->features & NETIF_F_HIGHDMA) | |
630 | rxdesc->desc1.flags = RXFLAG_64BIT; | |
d7699f87 | 631 | wmb(); |
3bf61c55 | 632 | rxdesc->desc1.flags |= RXFLAG_OWN | RXFLAG_INT; |
d7699f87 GFT |
633 | } |
634 | ||
3bf61c55 GFT |
635 | static int |
636 | jme_make_new_rx_buf(struct jme_adapter *jme, int i) | |
4330c2f2 GFT |
637 | { |
638 | struct jme_ring *rxring = &(jme->rxring[0]); | |
b3821cc5 | 639 | struct jme_buffer_info *rxbi = rxring->bufinf + i; |
4330c2f2 GFT |
640 | unsigned long offset; |
641 | struct sk_buff* skb; | |
642 | ||
79ce639c GFT |
643 | skb = netdev_alloc_skb(jme->dev, |
644 | jme->dev->mtu + RX_EXTRA_LEN); | |
4330c2f2 GFT |
645 | if(unlikely(!skb)) |
646 | return -ENOMEM; | |
3bf61c55 | 647 | |
3bf61c55 GFT |
648 | if(unlikely(offset = |
649 | (unsigned long)(skb->data) | |
79ce639c | 650 | & ((unsigned long)RX_BUF_DMA_ALIGN - 1))) |
4330c2f2 | 651 | skb_reserve(skb, RX_BUF_DMA_ALIGN - offset); |
4330c2f2 | 652 | |
4330c2f2 | 653 | rxbi->skb = skb; |
3bf61c55 | 654 | rxbi->len = skb_tailroom(skb); |
b3821cc5 GFT |
655 | rxbi->mapping = pci_map_page(jme->pdev, |
656 | virt_to_page(skb->data), | |
657 | offset_in_page(skb->data), | |
658 | rxbi->len, | |
659 | PCI_DMA_FROMDEVICE); | |
4330c2f2 GFT |
660 | |
661 | return 0; | |
662 | } | |
663 | ||
3bf61c55 GFT |
664 | static void |
665 | jme_free_rx_buf(struct jme_adapter *jme, int i) | |
4330c2f2 GFT |
666 | { |
667 | struct jme_ring *rxring = &(jme->rxring[0]); | |
668 | struct jme_buffer_info *rxbi = rxring->bufinf; | |
669 | rxbi += i; | |
670 | ||
671 | if(rxbi->skb) { | |
b3821cc5 | 672 | pci_unmap_page(jme->pdev, |
4330c2f2 | 673 | rxbi->mapping, |
3bf61c55 | 674 | rxbi->len, |
4330c2f2 GFT |
675 | PCI_DMA_FROMDEVICE); |
676 | dev_kfree_skb(rxbi->skb); | |
677 | rxbi->skb = NULL; | |
678 | rxbi->mapping = 0; | |
3bf61c55 | 679 | rxbi->len = 0; |
4330c2f2 GFT |
680 | } |
681 | } | |
682 | ||
3bf61c55 GFT |
683 | static void |
684 | jme_free_rx_resources(struct jme_adapter *jme) | |
685 | { | |
686 | int i; | |
687 | struct jme_ring *rxring = &(jme->rxring[0]); | |
688 | ||
689 | if(rxring->alloc) { | |
b3821cc5 | 690 | for(i = 0 ; i < jme->rx_ring_size ; ++i) |
3bf61c55 GFT |
691 | jme_free_rx_buf(jme, i); |
692 | ||
693 | dma_free_coherent(&(jme->pdev->dev), | |
b3821cc5 | 694 | RX_RING_ALLOC_SIZE(jme->rx_ring_size), |
3bf61c55 GFT |
695 | rxring->alloc, |
696 | rxring->dmaalloc); | |
697 | rxring->alloc = NULL; | |
698 | rxring->desc = NULL; | |
699 | rxring->dmaalloc = 0; | |
700 | rxring->dma = 0; | |
701 | } | |
702 | rxring->next_to_use = 0; | |
cdcdc9eb | 703 | atomic_set(&rxring->next_to_clean, 0); |
3bf61c55 GFT |
704 | } |
705 | ||
706 | static int | |
707 | jme_setup_rx_resources(struct jme_adapter *jme) | |
d7699f87 GFT |
708 | { |
709 | int i; | |
710 | struct jme_ring *rxring = &(jme->rxring[0]); | |
711 | ||
712 | rxring->alloc = dma_alloc_coherent(&(jme->pdev->dev), | |
b3821cc5 GFT |
713 | RX_RING_ALLOC_SIZE(jme->rx_ring_size), |
714 | &(rxring->dmaalloc), | |
715 | GFP_ATOMIC); | |
4330c2f2 GFT |
716 | if(!rxring->alloc) { |
717 | rxring->desc = NULL; | |
718 | rxring->dmaalloc = 0; | |
719 | rxring->dma = 0; | |
d7699f87 | 720 | return -ENOMEM; |
4330c2f2 | 721 | } |
d7699f87 GFT |
722 | |
723 | /* | |
724 | * 16 Bytes align | |
725 | */ | |
3bf61c55 GFT |
726 | rxring->desc = (void*)ALIGN((unsigned long)(rxring->alloc), |
727 | RING_DESC_ALIGN); | |
4330c2f2 | 728 | rxring->dma = ALIGN(rxring->dmaalloc, RING_DESC_ALIGN); |
d7699f87 | 729 | rxring->next_to_use = 0; |
cdcdc9eb | 730 | atomic_set(&rxring->next_to_clean, 0); |
d7699f87 | 731 | |
d7699f87 GFT |
732 | /* |
733 | * Initiallize Receive Descriptors | |
734 | */ | |
b3821cc5 | 735 | for(i = 0 ; i < jme->rx_ring_size ; ++i) { |
3bf61c55 GFT |
736 | if(unlikely(jme_make_new_rx_buf(jme, i))) { |
737 | jme_free_rx_resources(jme); | |
738 | return -ENOMEM; | |
739 | } | |
d7699f87 GFT |
740 | |
741 | jme_set_clean_rxdesc(jme, i); | |
742 | } | |
743 | ||
d7699f87 GFT |
744 | return 0; |
745 | } | |
746 | ||
3bf61c55 GFT |
747 | __always_inline static void |
748 | jme_enable_rx_engine(struct jme_adapter *jme) | |
d7699f87 | 749 | { |
d7699f87 GFT |
750 | /* |
751 | * Setup RX DMA Bass Address | |
752 | */ | |
fcf45b4c | 753 | jwrite32(jme, JME_RXDBA_LO, (__u64)jme->rxring[0].dma & 0xFFFFFFFFUL); |
3bf61c55 | 754 | jwrite32(jme, JME_RXDBA_HI, (__u64)(jme->rxring[0].dma) >> 32); |
fcf45b4c | 755 | jwrite32(jme, JME_RXNDA, (__u64)jme->rxring[0].dma & 0xFFFFFFFFUL); |
d7699f87 GFT |
756 | |
757 | /* | |
b3821cc5 | 758 | * Setup RX Descriptor Count |
d7699f87 | 759 | */ |
b3821cc5 | 760 | jwrite32(jme, JME_RXQDC, jme->rx_ring_size); |
d7699f87 | 761 | |
3bf61c55 | 762 | /* |
d7699f87 GFT |
763 | * Setup Unicast Filter |
764 | */ | |
765 | jme_set_multi(jme->dev); | |
766 | ||
767 | /* | |
768 | * Enable RX Engine | |
769 | */ | |
770 | wmb(); | |
79ce639c | 771 | jwrite32(jme, JME_RXCS, jme->reg_rxcs | |
4330c2f2 GFT |
772 | RXCS_QUEUESEL_Q0 | |
773 | RXCS_ENABLE | | |
774 | RXCS_QST); | |
d7699f87 GFT |
775 | } |
776 | ||
3bf61c55 GFT |
777 | __always_inline static void |
778 | jme_restart_rx_engine(struct jme_adapter *jme) | |
4330c2f2 GFT |
779 | { |
780 | /* | |
3bf61c55 | 781 | * Start RX Engine |
4330c2f2 | 782 | */ |
79ce639c | 783 | jwrite32(jme, JME_RXCS, jme->reg_rxcs | |
4330c2f2 GFT |
784 | RXCS_QUEUESEL_Q0 | |
785 | RXCS_ENABLE | | |
786 | RXCS_QST); | |
787 | } | |
788 | ||
789 | ||
3bf61c55 GFT |
790 | __always_inline static void |
791 | jme_disable_rx_engine(struct jme_adapter *jme) | |
d7699f87 GFT |
792 | { |
793 | int i; | |
794 | __u32 val; | |
795 | ||
796 | /* | |
797 | * Disable RX Engine | |
798 | */ | |
29bdd921 | 799 | jwrite32(jme, JME_RXCS, jme->reg_rxcs); |
d7699f87 GFT |
800 | |
801 | val = jread32(jme, JME_RXCS); | |
802 | for(i = JME_RX_DISABLE_TIMEOUT ; (val & RXCS_ENABLE) && i > 0 ; --i) | |
803 | { | |
29bdd921 | 804 | mdelay(1); |
d7699f87 GFT |
805 | val = jread32(jme, JME_RXCS); |
806 | } | |
807 | ||
808 | if(!i) | |
4330c2f2 | 809 | jeprintk(jme->dev->name, "Disable RX engine timeout.\n"); |
d7699f87 GFT |
810 | |
811 | } | |
812 | ||
192570e0 GFT |
813 | static int |
814 | jme_rxsum_ok(struct jme_adapter *jme, __u16 flags) | |
815 | { | |
816 | if(!(flags & (RXWBFLAG_TCPON | RXWBFLAG_UDPON | RXWBFLAG_IPV4))) | |
817 | return false; | |
818 | ||
819 | if(unlikely((flags & RXWBFLAG_TCPON) && | |
820 | !(flags & RXWBFLAG_TCPCS))) { | |
821 | csum_dbg(jme->dev->name, "TCP Checksum error.\n"); | |
cdcdc9eb | 822 | goto out_sumerr; |
192570e0 GFT |
823 | } |
824 | ||
825 | if(unlikely((flags & RXWBFLAG_UDPON) && | |
826 | !(flags & RXWBFLAG_UDPCS))) { | |
827 | csum_dbg(jme->dev->name, "UDP Checksum error.\n"); | |
cdcdc9eb | 828 | goto out_sumerr; |
192570e0 GFT |
829 | } |
830 | ||
831 | if(unlikely((flags & RXWBFLAG_IPV4) && | |
832 | !(flags & RXWBFLAG_IPCS))) { | |
833 | csum_dbg(jme->dev->name, "IPv4 Checksum error.\n"); | |
cdcdc9eb | 834 | goto out_sumerr; |
192570e0 GFT |
835 | } |
836 | ||
837 | return true; | |
cdcdc9eb GFT |
838 | |
839 | out_sumerr: | |
840 | csum_dbg(jme->dev->name, "%s%s%s%s\n", | |
841 | (flags & RXWBFLAG_IPV4)?"IPv4 ":"", | |
842 | (flags & RXWBFLAG_IPV6)?"IPv6 ":"", | |
843 | (flags & RXWBFLAG_UDPON)?"UDP ":"", | |
844 | (flags & RXWBFLAG_TCPON)?"TCP":""); | |
845 | return false; | |
192570e0 GFT |
846 | } |
847 | ||
3bf61c55 | 848 | static void |
42b1055e | 849 | jme_alloc_and_feed_skb(struct jme_adapter *jme, int idx) |
d7699f87 | 850 | { |
d7699f87 | 851 | struct jme_ring *rxring = &(jme->rxring[0]); |
3bf61c55 GFT |
852 | volatile struct rxdesc *rxdesc = rxring->desc; |
853 | struct jme_buffer_info *rxbi = rxring->bufinf; | |
d7699f87 | 854 | struct sk_buff *skb; |
3bf61c55 | 855 | int framesize; |
d7699f87 | 856 | |
3bf61c55 GFT |
857 | rxdesc += idx; |
858 | rxbi += idx; | |
d7699f87 | 859 | |
3bf61c55 GFT |
860 | skb = rxbi->skb; |
861 | pci_dma_sync_single_for_cpu(jme->pdev, | |
862 | rxbi->mapping, | |
863 | rxbi->len, | |
864 | PCI_DMA_FROMDEVICE); | |
865 | ||
866 | if(unlikely(jme_make_new_rx_buf(jme, idx))) { | |
867 | pci_dma_sync_single_for_device(jme->pdev, | |
868 | rxbi->mapping, | |
869 | rxbi->len, | |
870 | PCI_DMA_FROMDEVICE); | |
871 | ||
872 | ++(NET_STAT(jme).rx_dropped); | |
873 | } | |
874 | else { | |
875 | framesize = le16_to_cpu(rxdesc->descwb.framesize) | |
876 | - RX_PREPAD_SIZE; | |
877 | ||
878 | skb_reserve(skb, RX_PREPAD_SIZE); | |
879 | skb_put(skb, framesize); | |
880 | skb->protocol = eth_type_trans(skb, jme->dev); | |
881 | ||
192570e0 | 882 | if(jme_rxsum_ok(jme, rxdesc->descwb.flags)) |
8c198884 | 883 | skb->ip_summed = CHECKSUM_UNNECESSARY; |
29bdd921 GFT |
884 | else |
885 | skb->ip_summed = CHECKSUM_NONE; | |
8c198884 | 886 | |
b3821cc5 GFT |
887 | |
888 | if(rxdesc->descwb.flags & RXWBFLAG_TAGON) { | |
889 | vlan_dbg(jme->dev->name, "VLAN: %04x\n", | |
890 | rxdesc->descwb.vlan); | |
891 | if(jme->vlgrp) { | |
892 | vlan_dbg(jme->dev->name, | |
893 | "VLAN Passed to kernel.\n"); | |
cdcdc9eb | 894 | jme->jme_vlan_rx(skb, jme->vlgrp, |
42b1055e | 895 | le32_to_cpu(rxdesc->descwb.vlan)); |
b3821cc5 GFT |
896 | NET_STAT(jme).rx_bytes += 4; |
897 | } | |
898 | } | |
899 | else { | |
cdcdc9eb | 900 | jme->jme_rx(skb); |
b3821cc5 | 901 | } |
3bf61c55 | 902 | |
b3821cc5 GFT |
903 | if((le16_to_cpu(rxdesc->descwb.flags) & RXWBFLAG_DEST) == |
904 | RXWBFLAG_DEST_MUL) | |
3bf61c55 GFT |
905 | ++(NET_STAT(jme).multicast); |
906 | ||
907 | jme->dev->last_rx = jiffies; | |
908 | NET_STAT(jme).rx_bytes += framesize; | |
909 | ++(NET_STAT(jme).rx_packets); | |
910 | } | |
911 | ||
912 | jme_set_clean_rxdesc(jme, idx); | |
913 | ||
914 | } | |
915 | ||
192570e0 | 916 | |
8c198884 | 917 | |
3bf61c55 GFT |
918 | static int |
919 | jme_process_receive(struct jme_adapter *jme, int limit) | |
920 | { | |
921 | struct jme_ring *rxring = &(jme->rxring[0]); | |
922 | volatile struct rxdesc *rxdesc = rxring->desc; | |
b3821cc5 | 923 | int i, j, ccnt, desccnt, mask = jme->rx_ring_mask; |
3bf61c55 | 924 | |
192570e0 GFT |
925 | if(unlikely(!atomic_dec_and_test(&jme->rx_cleaning))) |
926 | goto out_inc; | |
927 | ||
928 | if(unlikely(atomic_read(&jme->link_changing) != 1)) | |
929 | goto out_inc; | |
930 | ||
931 | if(unlikely(!netif_carrier_ok(jme->dev))) | |
932 | goto out_inc; | |
933 | ||
cdcdc9eb | 934 | i = atomic_read(&rxring->next_to_clean); |
3bf61c55 | 935 | while( limit-- > 0 ) |
d7699f87 | 936 | { |
3bf61c55 GFT |
937 | rxdesc = rxring->desc; |
938 | rxdesc += i; | |
939 | ||
4330c2f2 | 940 | if((rxdesc->descwb.flags & RXWBFLAG_OWN) || |
3bf61c55 GFT |
941 | !(rxdesc->descwb.desccnt & RXWBDCNT_WBCPL)) |
942 | goto out; | |
d7699f87 | 943 | |
4330c2f2 GFT |
944 | desccnt = rxdesc->descwb.desccnt & RXWBDCNT_DCNT; |
945 | ||
3bf61c55 | 946 | rx_dbg(jme->dev->name, "RX: Cleaning %d\n", i); |
4330c2f2 | 947 | |
8c198884 | 948 | if(unlikely(desccnt > 1 || |
192570e0 | 949 | rxdesc->descwb.errstat & RXWBERR_ALLERR)) { |
d7699f87 | 950 | |
3bf61c55 GFT |
951 | if(rxdesc->descwb.errstat & RXWBERR_CRCERR) |
952 | ++(NET_STAT(jme).rx_crc_errors); | |
953 | else if(rxdesc->descwb.errstat & RXWBERR_OVERUN) | |
954 | ++(NET_STAT(jme).rx_fifo_errors); | |
955 | else | |
956 | ++(NET_STAT(jme).rx_errors); | |
4330c2f2 | 957 | |
79ce639c GFT |
958 | if(desccnt > 1) { |
959 | rx_dbg(jme->dev->name, | |
960 | "RX: More than one(%d) descriptor, " | |
961 | "framelen=%d\n", | |
962 | desccnt, le16_to_cpu(rxdesc->descwb.framesize)); | |
3bf61c55 | 963 | limit -= desccnt - 1; |
79ce639c | 964 | } |
4330c2f2 | 965 | |
3bf61c55 | 966 | for(j = i, ccnt = desccnt ; ccnt-- ; ) { |
4330c2f2 | 967 | jme_set_clean_rxdesc(jme, j); |
b3821cc5 | 968 | j = (j + 1) & (mask); |
4330c2f2 | 969 | } |
3bf61c55 | 970 | |
d7699f87 GFT |
971 | } |
972 | else { | |
42b1055e | 973 | jme_alloc_and_feed_skb(jme, i); |
3bf61c55 | 974 | } |
4330c2f2 | 975 | |
b3821cc5 | 976 | i = (i + desccnt) & (mask); |
3bf61c55 | 977 | } |
4330c2f2 | 978 | |
192570e0 | 979 | |
3bf61c55 GFT |
980 | out: |
981 | rx_dbg(jme->dev->name, "RX: Stop at %d\n", i); | |
982 | rx_dbg(jme->dev->name, "RX: RXNDA offset %d\n", | |
983 | (jread32(jme, JME_RXNDA) - jread32(jme, JME_RXDBA_LO)) | |
984 | >> 4); | |
4330c2f2 | 985 | |
cdcdc9eb | 986 | atomic_set(&rxring->next_to_clean, i); |
4330c2f2 | 987 | |
192570e0 GFT |
988 | out_inc: |
989 | atomic_inc(&jme->rx_cleaning); | |
990 | ||
3bf61c55 | 991 | return limit > 0 ? limit : 0; |
4330c2f2 | 992 | |
3bf61c55 | 993 | } |
d7699f87 | 994 | |
79ce639c GFT |
995 | static void |
996 | jme_attempt_pcc(struct dynpcc_info *dpi, int atmp) | |
997 | { | |
192570e0 GFT |
998 | if(likely(atmp == dpi->cur)) { |
999 | dpi->cnt = 0; | |
79ce639c | 1000 | return; |
192570e0 | 1001 | } |
79ce639c GFT |
1002 | |
1003 | if(dpi->attempt == atmp) { | |
1004 | ++(dpi->cnt); | |
1005 | } | |
1006 | else { | |
1007 | dpi->attempt = atmp; | |
1008 | dpi->cnt = 0; | |
1009 | } | |
1010 | ||
1011 | } | |
1012 | ||
1013 | static void | |
1014 | jme_dynamic_pcc(struct jme_adapter *jme) | |
1015 | { | |
1016 | register struct dynpcc_info *dpi = &(jme->dpi); | |
1017 | ||
1018 | if((NET_STAT(jme).rx_bytes - dpi->last_bytes) > PCC_P3_THRESHOLD) | |
1019 | jme_attempt_pcc(dpi, PCC_P3); | |
192570e0 | 1020 | else if((NET_STAT(jme).rx_packets - dpi->last_pkts) > PCC_P2_THRESHOLD |
79ce639c GFT |
1021 | || dpi->intr_cnt > PCC_INTR_THRESHOLD) |
1022 | jme_attempt_pcc(dpi, PCC_P2); | |
1023 | else | |
1024 | jme_attempt_pcc(dpi, PCC_P1); | |
1025 | ||
192570e0 | 1026 | if(unlikely(dpi->attempt != dpi->cur && dpi->cnt > 5)) { |
79ce639c GFT |
1027 | jme_set_rx_pcc(jme, dpi->attempt); |
1028 | dpi->cur = dpi->attempt; | |
1029 | dpi->cnt = 0; | |
1030 | } | |
1031 | } | |
1032 | ||
1033 | static void | |
1034 | jme_start_pcc_timer(struct jme_adapter *jme) | |
1035 | { | |
1036 | struct dynpcc_info *dpi = &(jme->dpi); | |
1037 | dpi->last_bytes = NET_STAT(jme).rx_bytes; | |
1038 | dpi->last_pkts = NET_STAT(jme).rx_packets; | |
1039 | dpi->intr_cnt = 0; | |
1040 | jwrite32(jme, JME_TMCSR, | |
1041 | TMCSR_EN | ((0xFFFFFF - PCC_INTERVAL_US) & TMCSR_CNT)); | |
1042 | } | |
1043 | ||
192570e0 | 1044 | __always_inline static void |
29bdd921 GFT |
1045 | jme_stop_pcc_timer(struct jme_adapter *jme) |
1046 | { | |
1047 | jwrite32(jme, JME_TMCSR, 0); | |
1048 | } | |
1049 | ||
79ce639c GFT |
1050 | static void |
1051 | jme_pcc_tasklet(unsigned long arg) | |
1052 | { | |
1053 | struct jme_adapter *jme = (struct jme_adapter*)arg; | |
1054 | struct net_device *netdev = jme->dev; | |
1055 | ||
29bdd921 | 1056 | |
b3821cc5 | 1057 | if(unlikely(!netif_carrier_ok(netdev) || |
29bdd921 GFT |
1058 | (atomic_read(&jme->link_changing) != 1) |
1059 | )) { | |
1060 | jme_stop_pcc_timer(jme); | |
79ce639c GFT |
1061 | return; |
1062 | } | |
29bdd921 | 1063 | |
192570e0 GFT |
1064 | if(!(jme->flags & JME_FLAG_POLL)) |
1065 | jme_dynamic_pcc(jme); | |
1066 | ||
79ce639c GFT |
1067 | jme_start_pcc_timer(jme); |
1068 | } | |
1069 | ||
192570e0 GFT |
1070 | __always_inline static void |
1071 | jme_polling_mode(struct jme_adapter *jme) | |
1072 | { | |
1073 | jme_set_rx_pcc(jme, PCC_OFF); | |
1074 | } | |
1075 | ||
1076 | __always_inline static void | |
1077 | jme_interrupt_mode(struct jme_adapter *jme) | |
1078 | { | |
1079 | jme_set_rx_pcc(jme, PCC_P1); | |
1080 | } | |
1081 | ||
3bf61c55 GFT |
1082 | static void |
1083 | jme_link_change_tasklet(unsigned long arg) | |
1084 | { | |
1085 | struct jme_adapter *jme = (struct jme_adapter*)arg; | |
fcf45b4c GFT |
1086 | struct net_device *netdev = jme->dev; |
1087 | int timeout = WAIT_TASKLET_TIMEOUT; | |
1088 | int rc; | |
1089 | ||
1090 | if(!atomic_dec_and_test(&jme->link_changing)) | |
1091 | goto out; | |
1092 | ||
29bdd921 | 1093 | if(jme_check_link(netdev, 1) && jme->old_mtu == netdev->mtu) |
fcf45b4c GFT |
1094 | goto out; |
1095 | ||
29bdd921 | 1096 | jme->old_mtu = netdev->mtu; |
fcf45b4c GFT |
1097 | netif_stop_queue(netdev); |
1098 | ||
1099 | while(--timeout > 0 && | |
1100 | ( | |
1101 | atomic_read(&jme->rx_cleaning) != 1 || | |
1102 | atomic_read(&jme->tx_cleaning) != 1 | |
1103 | )) { | |
1104 | ||
1105 | mdelay(1); | |
1106 | } | |
1107 | ||
1108 | if(netif_carrier_ok(netdev)) { | |
29bdd921 | 1109 | jme_stop_pcc_timer(jme); |
fcf45b4c GFT |
1110 | jme_reset_mac_processor(jme); |
1111 | jme_free_rx_resources(jme); | |
1112 | jme_free_tx_resources(jme); | |
192570e0 | 1113 | |
cdcdc9eb | 1114 | if(jme->flags & JME_FLAG_POLL) |
192570e0 | 1115 | jme_polling_mode(jme); |
fcf45b4c GFT |
1116 | } |
1117 | ||
1118 | jme_check_link(netdev, 0); | |
1119 | if(netif_carrier_ok(netdev)) { | |
1120 | rc = jme_setup_rx_resources(jme); | |
1121 | if(rc) { | |
1122 | jeprintk(netdev->name, | |
1123 | "Allocating resources for RX error" | |
1124 | ", Device STOPPED!\n"); | |
1125 | goto out; | |
1126 | } | |
1127 | ||
1128 | ||
1129 | rc = jme_setup_tx_resources(jme); | |
1130 | if(rc) { | |
1131 | jeprintk(netdev->name, | |
1132 | "Allocating resources for TX error" | |
1133 | ", Device STOPPED!\n"); | |
1134 | goto err_out_free_rx_resources; | |
1135 | } | |
1136 | ||
1137 | jme_enable_rx_engine(jme); | |
1138 | jme_enable_tx_engine(jme); | |
1139 | ||
1140 | netif_start_queue(netdev); | |
192570e0 | 1141 | |
cdcdc9eb | 1142 | if(jme->flags & JME_FLAG_POLL) |
192570e0 | 1143 | jme_interrupt_mode(jme); |
192570e0 | 1144 | |
79ce639c | 1145 | jme_start_pcc_timer(jme); |
fcf45b4c GFT |
1146 | } |
1147 | ||
1148 | goto out; | |
1149 | ||
1150 | err_out_free_rx_resources: | |
1151 | jme_free_rx_resources(jme); | |
1152 | out: | |
1153 | atomic_inc(&jme->link_changing); | |
3bf61c55 | 1154 | } |
d7699f87 | 1155 | |
3bf61c55 GFT |
1156 | static void |
1157 | jme_rx_clean_tasklet(unsigned long arg) | |
1158 | { | |
1159 | struct jme_adapter *jme = (struct jme_adapter*)arg; | |
79ce639c | 1160 | struct dynpcc_info *dpi = &(jme->dpi); |
d7699f87 | 1161 | |
192570e0 GFT |
1162 | jme_process_receive(jme, jme->rx_ring_size); |
1163 | ++(dpi->intr_cnt); | |
42b1055e | 1164 | |
192570e0 | 1165 | } |
fcf45b4c | 1166 | |
192570e0 | 1167 | static int |
cdcdc9eb | 1168 | jme_poll(JME_NAPI_HOLDER(holder), JME_NAPI_WEIGHT(budget)) |
192570e0 | 1169 | { |
cdcdc9eb | 1170 | struct jme_adapter *jme = jme_napi_priv(holder); |
192570e0 GFT |
1171 | struct net_device *netdev = jme->dev; |
1172 | int rest; | |
fcf45b4c | 1173 | |
cdcdc9eb | 1174 | rest = jme_process_receive(jme, JME_NAPI_WEIGHT_VAL(budget)); |
fcf45b4c | 1175 | |
cdcdc9eb GFT |
1176 | while(atomic_read(&jme->rx_empty) > 0) { |
1177 | atomic_dec(&jme->rx_empty); | |
192570e0 GFT |
1178 | ++(NET_STAT(jme).rx_dropped); |
1179 | jme_restart_rx_engine(jme); | |
1180 | } | |
1181 | atomic_inc(&jme->rx_empty); | |
1182 | ||
1183 | if(rest) { | |
cdcdc9eb | 1184 | JME_RX_COMPLETE(netdev, holder); |
192570e0 GFT |
1185 | jme_interrupt_mode(jme); |
1186 | } | |
1187 | ||
cdcdc9eb GFT |
1188 | JME_NAPI_WEIGHT_SET(budget, rest); |
1189 | return JME_NAPI_WEIGHT_VAL(budget) - rest; | |
fcf45b4c GFT |
1190 | } |
1191 | ||
1192 | static void | |
1193 | jme_rx_empty_tasklet(unsigned long arg) | |
1194 | { | |
1195 | struct jme_adapter *jme = (struct jme_adapter*)arg; | |
1196 | ||
79ce639c | 1197 | if(unlikely(atomic_read(&jme->link_changing) != 1)) |
fcf45b4c GFT |
1198 | return; |
1199 | ||
b3821cc5 | 1200 | if(unlikely(!netif_carrier_ok(jme->dev))) |
fcf45b4c GFT |
1201 | return; |
1202 | ||
b3821cc5 | 1203 | queue_dbg(jme->dev->name, "RX Queue Full!\n"); |
29bdd921 | 1204 | |
fcf45b4c | 1205 | jme_rx_clean_tasklet(arg); |
cdcdc9eb GFT |
1206 | |
1207 | while(atomic_read(&jme->rx_empty) > 0) { | |
1208 | atomic_dec(&jme->rx_empty); | |
1209 | ++(NET_STAT(jme).rx_dropped); | |
1210 | jme_restart_rx_engine(jme); | |
1211 | } | |
1212 | atomic_inc(&jme->rx_empty); | |
4330c2f2 GFT |
1213 | } |
1214 | ||
b3821cc5 GFT |
1215 | static void |
1216 | jme_wake_queue_if_stopped(struct jme_adapter *jme) | |
1217 | { | |
1218 | struct jme_ring *txring = jme->txring; | |
1219 | ||
1220 | smp_wmb(); | |
1221 | if(unlikely(netif_queue_stopped(jme->dev) && | |
1222 | atomic_read(&txring->nr_free) >= (jme->tx_wake_threshold))) { | |
1223 | ||
1224 | queue_dbg(jme->dev->name, "TX Queue Waked.\n"); | |
1225 | netif_wake_queue(jme->dev); | |
1226 | ||
1227 | } | |
1228 | ||
1229 | } | |
1230 | ||
3bf61c55 GFT |
1231 | static void |
1232 | jme_tx_clean_tasklet(unsigned long arg) | |
4330c2f2 GFT |
1233 | { |
1234 | struct jme_adapter *jme = (struct jme_adapter*)arg; | |
3bf61c55 GFT |
1235 | struct jme_ring *txring = &(jme->txring[0]); |
1236 | volatile struct txdesc *txdesc = txring->desc; | |
1237 | struct jme_buffer_info *txbi = txring->bufinf, *ctxbi, *ttxbi; | |
b3821cc5 | 1238 | int i, j, cnt = 0, max, err, mask; |
3bf61c55 | 1239 | |
79ce639c | 1240 | if(unlikely(!atomic_dec_and_test(&jme->tx_cleaning))) |
fcf45b4c GFT |
1241 | goto out; |
1242 | ||
79ce639c | 1243 | if(unlikely(atomic_read(&jme->link_changing) != 1)) |
fcf45b4c GFT |
1244 | goto out; |
1245 | ||
b3821cc5 | 1246 | if(unlikely(!netif_carrier_ok(jme->dev))) |
fcf45b4c GFT |
1247 | goto out; |
1248 | ||
b3821cc5 GFT |
1249 | max = jme->tx_ring_size - atomic_read(&txring->nr_free); |
1250 | mask = jme->tx_ring_mask; | |
3bf61c55 GFT |
1251 | |
1252 | tx_dbg(jme->dev->name, "Tx Tasklet: In\n"); | |
1253 | ||
cdcdc9eb | 1254 | for(i = atomic_read(&txring->next_to_clean) ; cnt < max ; ) { |
3bf61c55 GFT |
1255 | |
1256 | ctxbi = txbi + i; | |
1257 | ||
b3821cc5 GFT |
1258 | if(likely(ctxbi->skb && |
1259 | !(txdesc[i].descwb.flags & TXWBFLAG_OWN))) { | |
8c198884 GFT |
1260 | |
1261 | err = txdesc[i].descwb.flags & TXWBFLAG_ALLERR; | |
3bf61c55 GFT |
1262 | |
1263 | tx_dbg(jme->dev->name, | |
1264 | "Tx Tasklet: Clean %d+%d\n", | |
1265 | i, ctxbi->nr_desc); | |
1266 | ||
1267 | for(j = 1 ; j < ctxbi->nr_desc ; ++j) { | |
b3821cc5 GFT |
1268 | ttxbi = txbi + ((i + j) & (mask)); |
1269 | txdesc[(i + j) & (mask)].dw[0] = 0; | |
3bf61c55 | 1270 | |
b3821cc5 | 1271 | pci_unmap_page(jme->pdev, |
3bf61c55 GFT |
1272 | ttxbi->mapping, |
1273 | ttxbi->len, | |
1274 | PCI_DMA_TODEVICE); | |
1275 | ||
3bf61c55 GFT |
1276 | ttxbi->mapping = 0; |
1277 | ttxbi->len = 0; | |
1278 | } | |
1279 | ||
1280 | dev_kfree_skb(ctxbi->skb); | |
3bf61c55 GFT |
1281 | |
1282 | cnt += ctxbi->nr_desc; | |
1283 | ||
8c198884 GFT |
1284 | if(unlikely(err)) |
1285 | ++(NET_STAT(jme).tx_carrier_errors); | |
b3821cc5 | 1286 | else { |
8c198884 | 1287 | ++(NET_STAT(jme).tx_packets); |
b3821cc5 GFT |
1288 | NET_STAT(jme).tx_bytes += ctxbi->len; |
1289 | } | |
1290 | ||
1291 | ctxbi->skb = NULL; | |
1292 | ctxbi->len = 0; | |
cdcdc9eb | 1293 | ctxbi->start_xmit = 0; |
3bf61c55 GFT |
1294 | } |
1295 | else { | |
1296 | if(!ctxbi->skb) | |
1297 | tx_dbg(jme->dev->name, | |
1298 | "Tx Tasklet:" | |
b3821cc5 | 1299 | " Stopped due to no skb.\n"); |
3bf61c55 GFT |
1300 | else |
1301 | tx_dbg(jme->dev->name, | |
1302 | "Tx Tasklet:" | |
b3821cc5 | 1303 | "Stopped due to not done.\n"); |
3bf61c55 GFT |
1304 | break; |
1305 | } | |
1306 | ||
b3821cc5 | 1307 | i = (i + ctxbi->nr_desc) & mask; |
3bf61c55 GFT |
1308 | |
1309 | ctxbi->nr_desc = 0; | |
d7699f87 GFT |
1310 | } |
1311 | ||
3bf61c55 GFT |
1312 | tx_dbg(jme->dev->name, |
1313 | "Tx Tasklet: Stop %d Jiffies %lu\n", | |
1314 | i, jiffies); | |
3bf61c55 | 1315 | |
cdcdc9eb | 1316 | atomic_set(&txring->next_to_clean, i); |
79ce639c | 1317 | atomic_add(cnt, &txring->nr_free); |
3bf61c55 | 1318 | |
b3821cc5 GFT |
1319 | jme_wake_queue_if_stopped(jme); |
1320 | ||
fcf45b4c GFT |
1321 | out: |
1322 | atomic_inc(&jme->tx_cleaning); | |
d7699f87 GFT |
1323 | } |
1324 | ||
79ce639c GFT |
1325 | static void |
1326 | jme_intr_msi(struct jme_adapter *jme, __u32 intrstat) | |
d7699f87 | 1327 | { |
3bf61c55 GFT |
1328 | /* |
1329 | * Disable interrupt | |
1330 | */ | |
1331 | jwrite32f(jme, JME_IENC, INTR_ENABLE); | |
d7699f87 | 1332 | |
79ce639c | 1333 | if(intrstat & (INTR_LINKCH | INTR_SWINTR)) { |
47220951 GFT |
1334 | /* |
1335 | * Link change event is critical | |
1336 | * all other events are ignored | |
1337 | */ | |
1338 | jwrite32(jme, JME_IEVE, intrstat); | |
3bf61c55 | 1339 | tasklet_schedule(&jme->linkch_task); |
29bdd921 | 1340 | goto out_reenable; |
fcf45b4c | 1341 | } |
d7699f87 | 1342 | |
47220951 GFT |
1343 | if(intrstat & INTR_TMINTR) { |
1344 | jwrite32(jme, JME_IEVE, INTR_TMINTR); | |
79ce639c | 1345 | tasklet_schedule(&jme->pcc_task); |
47220951 | 1346 | } |
79ce639c | 1347 | |
47220951 GFT |
1348 | if(intrstat & (INTR_PCCTXTO | INTR_PCCTX)) { |
1349 | jwrite32(jme, JME_IEVE, INTR_PCCTXTO | INTR_PCCTX | INTR_TX0); | |
4330c2f2 | 1350 | tasklet_schedule(&jme->txclean_task); |
47220951 GFT |
1351 | } |
1352 | ||
1353 | if((intrstat & (INTR_PCCRX0TO | INTR_PCCRX0 | INTR_RX0EMP))) { | |
1354 | jwrite32(jme, JME_IEVE, (intrstat & (INTR_PCCRX0TO | | |
1355 | INTR_PCCRX0 | | |
1356 | INTR_RX0EMP)) | | |
1357 | INTR_RX0); | |
1358 | } | |
d7699f87 | 1359 | |
192570e0 GFT |
1360 | if(jme->flags & JME_FLAG_POLL) { |
1361 | if(intrstat & INTR_RX0EMP) | |
1362 | atomic_inc(&jme->rx_empty); | |
1363 | ||
1364 | if((intrstat & (INTR_PCCRX0TO | INTR_PCCRX0 | INTR_RX0EMP))) { | |
cdcdc9eb | 1365 | if(likely(JME_RX_SCHEDULE_PREP(jme))) { |
192570e0 | 1366 | jme_polling_mode(jme); |
cdcdc9eb | 1367 | JME_RX_SCHEDULE(jme); |
192570e0 GFT |
1368 | } |
1369 | } | |
1370 | } | |
1371 | else { | |
cdcdc9eb GFT |
1372 | if(intrstat & INTR_RX0EMP) { |
1373 | atomic_inc(&jme->rx_empty); | |
192570e0 | 1374 | tasklet_schedule(&jme->rxempty_task); |
cdcdc9eb | 1375 | } |
47220951 | 1376 | else if(intrstat & (INTR_PCCRX0TO | INTR_PCCRX0)) |
192570e0 | 1377 | tasklet_schedule(&jme->rxclean_task); |
4330c2f2 | 1378 | } |
d7699f87 | 1379 | |
29bdd921 | 1380 | out_reenable: |
3bf61c55 | 1381 | /* |
fcf45b4c | 1382 | * Re-enable interrupt |
3bf61c55 | 1383 | */ |
fcf45b4c | 1384 | jwrite32f(jme, JME_IENS, INTR_ENABLE); |
3bf61c55 | 1385 | |
79ce639c GFT |
1386 | |
1387 | } | |
1388 | ||
1389 | static irqreturn_t | |
1390 | jme_intr(int irq, void *dev_id) | |
1391 | { | |
1392 | struct net_device *netdev = dev_id; | |
1393 | struct jme_adapter *jme = netdev_priv(netdev); | |
79ce639c GFT |
1394 | __u32 intrstat; |
1395 | ||
1396 | intrstat = jread32(jme, JME_IEVE); | |
1397 | ||
1398 | /* | |
1399 | * Check if it's really an interrupt for us | |
1400 | */ | |
29bdd921 GFT |
1401 | if(unlikely(intrstat == 0)) |
1402 | return IRQ_NONE; | |
79ce639c GFT |
1403 | |
1404 | /* | |
1405 | * Check if the device still exist | |
1406 | */ | |
29bdd921 GFT |
1407 | if(unlikely(intrstat == ~((typeof(intrstat))0))) |
1408 | return IRQ_NONE; | |
79ce639c GFT |
1409 | |
1410 | jme_intr_msi(jme, intrstat); | |
1411 | ||
29bdd921 | 1412 | return IRQ_HANDLED; |
d7699f87 GFT |
1413 | } |
1414 | ||
79ce639c GFT |
1415 | static irqreturn_t |
1416 | jme_msi(int irq, void *dev_id) | |
1417 | { | |
1418 | struct net_device *netdev = dev_id; | |
1419 | struct jme_adapter *jme = netdev_priv(netdev); | |
1420 | __u32 intrstat; | |
1421 | ||
1422 | pci_dma_sync_single_for_cpu(jme->pdev, | |
1423 | jme->shadow_dma, | |
1424 | sizeof(__u32) * SHADOW_REG_NR, | |
1425 | PCI_DMA_FROMDEVICE); | |
1426 | intrstat = jme->shadow_regs[SHADOW_IEVE]; | |
1427 | jme->shadow_regs[SHADOW_IEVE] = 0; | |
1428 | ||
1429 | jme_intr_msi(jme, intrstat); | |
1430 | ||
1431 | return IRQ_HANDLED; | |
1432 | } | |
1433 | ||
1434 | ||
1435 | static void | |
1436 | jme_reset_link(struct jme_adapter *jme) | |
1437 | { | |
1438 | jwrite32(jme, JME_TMCSR, TMCSR_SWIT); | |
1439 | } | |
1440 | ||
fcf45b4c GFT |
1441 | static void |
1442 | jme_restart_an(struct jme_adapter *jme) | |
1443 | { | |
1444 | __u32 bmcr; | |
79ce639c | 1445 | unsigned long flags; |
fcf45b4c | 1446 | |
79ce639c | 1447 | spin_lock_irqsave(&jme->phy_lock, flags); |
fcf45b4c GFT |
1448 | bmcr = jme_mdio_read(jme->dev, jme->mii_if.phy_id, MII_BMCR); |
1449 | bmcr |= (BMCR_ANENABLE | BMCR_ANRESTART); | |
1450 | jme_mdio_write(jme->dev, jme->mii_if.phy_id, MII_BMCR, bmcr); | |
79ce639c GFT |
1451 | spin_unlock_irqrestore(&jme->phy_lock, flags); |
1452 | } | |
1453 | ||
1454 | static int | |
1455 | jme_request_irq(struct jme_adapter *jme) | |
1456 | { | |
1457 | int rc; | |
1458 | struct net_device *netdev = jme->dev; | |
1459 | irq_handler_t handler = jme_intr; | |
1460 | int irq_flags = IRQF_SHARED; | |
1461 | ||
1462 | if (!pci_enable_msi(jme->pdev)) { | |
1463 | jme->flags |= JME_FLAG_MSI; | |
1464 | handler = jme_msi; | |
1465 | irq_flags = 0; | |
1466 | } | |
1467 | ||
1468 | rc = request_irq(jme->pdev->irq, handler, irq_flags, netdev->name, | |
1469 | netdev); | |
1470 | if(rc) { | |
1471 | jeprintk(netdev->name, | |
b3821cc5 | 1472 | "Unable to request %s interrupt (return: %d)\n", |
29bdd921 | 1473 | jme->flags & JME_FLAG_MSI ? "MSI":"INTx", rc); |
79ce639c GFT |
1474 | |
1475 | if(jme->flags & JME_FLAG_MSI) { | |
1476 | pci_disable_msi(jme->pdev); | |
1477 | jme->flags &= ~JME_FLAG_MSI; | |
1478 | } | |
1479 | } | |
1480 | else { | |
1481 | netdev->irq = jme->pdev->irq; | |
1482 | } | |
1483 | ||
1484 | return rc; | |
1485 | } | |
1486 | ||
1487 | static void | |
1488 | jme_free_irq(struct jme_adapter *jme) | |
1489 | { | |
1490 | free_irq(jme->pdev->irq, jme->dev); | |
1491 | if (jme->flags & JME_FLAG_MSI) { | |
1492 | pci_disable_msi(jme->pdev); | |
1493 | jme->flags &= ~JME_FLAG_MSI; | |
1494 | jme->dev->irq = jme->pdev->irq; | |
1495 | } | |
fcf45b4c GFT |
1496 | } |
1497 | ||
3bf61c55 GFT |
1498 | static int |
1499 | jme_open(struct net_device *netdev) | |
d7699f87 GFT |
1500 | { |
1501 | struct jme_adapter *jme = netdev_priv(netdev); | |
cdcdc9eb | 1502 | int rc, timeout = 10; |
fcf45b4c GFT |
1503 | |
1504 | while( | |
1505 | --timeout > 0 && | |
1506 | ( | |
1507 | atomic_read(&jme->link_changing) != 1 || | |
1508 | atomic_read(&jme->rx_cleaning) != 1 || | |
1509 | atomic_read(&jme->tx_cleaning) != 1 | |
1510 | ) | |
1511 | ) | |
cdcdc9eb | 1512 | msleep(1); |
fcf45b4c | 1513 | |
79ce639c GFT |
1514 | if(!timeout) { |
1515 | rc = -EBUSY; | |
1516 | goto err_out; | |
1517 | } | |
1518 | ||
42b1055e | 1519 | jme_clear_pm(jme); |
fcf45b4c | 1520 | jme_reset_mac_processor(jme); |
cdcdc9eb | 1521 | JME_NAPI_ENABLE(jme); |
d7699f87 | 1522 | |
79ce639c GFT |
1523 | rc = jme_request_irq(jme); |
1524 | if(rc) | |
4330c2f2 | 1525 | goto err_out; |
79ce639c | 1526 | |
4330c2f2 | 1527 | jme_enable_shadow(jme); |
d7699f87 | 1528 | jme_start_irq(jme); |
42b1055e GFT |
1529 | |
1530 | if(jme->flags & JME_FLAG_SSET) | |
1531 | jme_set_settings(netdev, &jme->old_ecmd); | |
1532 | else | |
1533 | jme_reset_phy_processor(jme); | |
1534 | ||
29bdd921 | 1535 | jme_reset_link(jme); |
d7699f87 GFT |
1536 | |
1537 | return 0; | |
1538 | ||
d7699f87 GFT |
1539 | err_out: |
1540 | netif_stop_queue(netdev); | |
1541 | netif_carrier_off(netdev); | |
4330c2f2 | 1542 | return rc; |
d7699f87 GFT |
1543 | } |
1544 | ||
42b1055e GFT |
1545 | static void |
1546 | jme_set_100m_half(struct jme_adapter *jme) | |
1547 | { | |
1548 | __u32 bmcr, tmp; | |
1549 | ||
1550 | bmcr = jme_mdio_read(jme->dev, jme->mii_if.phy_id, MII_BMCR); | |
1551 | tmp = bmcr & ~(BMCR_ANENABLE | BMCR_SPEED100 | | |
1552 | BMCR_SPEED1000 | BMCR_FULLDPLX); | |
1553 | tmp |= BMCR_SPEED100; | |
1554 | ||
1555 | if (bmcr != tmp) | |
1556 | jme_mdio_write(jme->dev, jme->mii_if.phy_id, MII_BMCR, tmp); | |
1557 | ||
cdcdc9eb GFT |
1558 | if(jme->fpgaver) |
1559 | jwrite32(jme, JME_GHC, GHC_SPEED_100M | GHC_LINK_POLL); | |
1560 | else | |
1561 | jwrite32(jme, JME_GHC, GHC_SPEED_100M); | |
42b1055e GFT |
1562 | } |
1563 | ||
47220951 GFT |
1564 | #define JME_WAIT_LINK_TIME 2000 /* 2000ms */ |
1565 | static void | |
1566 | jme_wait_link(struct jme_adapter *jme) | |
1567 | { | |
1568 | __u32 phylink, to = JME_WAIT_LINK_TIME; | |
1569 | ||
1570 | mdelay(1000); | |
1571 | phylink = jme_linkstat_from_phy(jme); | |
1572 | while(!(phylink & PHY_LINK_UP) && (to -= 10) > 0) { | |
1573 | mdelay(10); | |
1574 | phylink = jme_linkstat_from_phy(jme); | |
1575 | } | |
1576 | } | |
1577 | ||
42b1055e GFT |
1578 | static void |
1579 | jme_phy_off(struct jme_adapter *jme) | |
1580 | { | |
1581 | jme_mdio_write(jme->dev, jme->mii_if.phy_id, MII_BMCR, BMCR_PDOWN); | |
1582 | } | |
1583 | ||
1584 | ||
3bf61c55 GFT |
1585 | static int |
1586 | jme_close(struct net_device *netdev) | |
d7699f87 GFT |
1587 | { |
1588 | struct jme_adapter *jme = netdev_priv(netdev); | |
1589 | ||
1590 | netif_stop_queue(netdev); | |
1591 | netif_carrier_off(netdev); | |
1592 | ||
1593 | jme_stop_irq(jme); | |
4330c2f2 | 1594 | jme_disable_shadow(jme); |
79ce639c | 1595 | jme_free_irq(jme); |
d7699f87 | 1596 | |
cdcdc9eb | 1597 | JME_NAPI_DISABLE(jme); |
192570e0 | 1598 | |
4330c2f2 GFT |
1599 | tasklet_kill(&jme->linkch_task); |
1600 | tasklet_kill(&jme->txclean_task); | |
1601 | tasklet_kill(&jme->rxclean_task); | |
fcf45b4c | 1602 | tasklet_kill(&jme->rxempty_task); |
8c198884 GFT |
1603 | |
1604 | jme_reset_mac_processor(jme); | |
d7699f87 GFT |
1605 | jme_free_rx_resources(jme); |
1606 | jme_free_tx_resources(jme); | |
42b1055e | 1607 | jme->phylink = 0; |
b3821cc5 GFT |
1608 | jme_phy_off(jme); |
1609 | ||
1610 | return 0; | |
1611 | } | |
1612 | ||
1613 | static int | |
1614 | jme_alloc_txdesc(struct jme_adapter *jme, | |
1615 | struct sk_buff *skb) | |
1616 | { | |
1617 | struct jme_ring *txring = jme->txring; | |
1618 | int idx, nr_alloc, mask = jme->tx_ring_mask; | |
1619 | ||
1620 | idx = txring->next_to_use; | |
1621 | nr_alloc = skb_shinfo(skb)->nr_frags + 2; | |
1622 | ||
1623 | if(unlikely(atomic_read(&txring->nr_free) < nr_alloc)) | |
1624 | return -1; | |
1625 | ||
1626 | atomic_sub(nr_alloc, &txring->nr_free); | |
42b1055e | 1627 | |
b3821cc5 GFT |
1628 | txring->next_to_use = (txring->next_to_use + nr_alloc) & mask; |
1629 | ||
1630 | return idx; | |
1631 | } | |
1632 | ||
1633 | static void | |
1634 | jme_fill_tx_map(struct pci_dev *pdev, | |
1635 | volatile struct txdesc *txdesc, | |
1636 | struct jme_buffer_info *txbi, | |
1637 | struct page *page, | |
1638 | __u32 page_offset, | |
1639 | __u32 len, | |
1640 | __u8 hidma) | |
1641 | { | |
1642 | dma_addr_t dmaaddr; | |
1643 | ||
1644 | dmaaddr = pci_map_page(pdev, | |
1645 | page, | |
1646 | page_offset, | |
1647 | len, | |
1648 | PCI_DMA_TODEVICE); | |
1649 | ||
1650 | pci_dma_sync_single_for_device(pdev, | |
1651 | dmaaddr, | |
1652 | len, | |
1653 | PCI_DMA_TODEVICE); | |
1654 | ||
1655 | txdesc->dw[0] = 0; | |
1656 | txdesc->dw[1] = 0; | |
1657 | txdesc->desc2.flags = TXFLAG_OWN; | |
1658 | txdesc->desc2.flags |= (hidma)?TXFLAG_64BIT:0; | |
1659 | txdesc->desc2.datalen = cpu_to_le16(len); | |
1660 | txdesc->desc2.bufaddrh = cpu_to_le32((__u64)dmaaddr >> 32); | |
1661 | txdesc->desc2.bufaddrl = cpu_to_le32( | |
1662 | (__u64)dmaaddr & 0xFFFFFFFFUL); | |
1663 | ||
1664 | txbi->mapping = dmaaddr; | |
1665 | txbi->len = len; | |
1666 | } | |
1667 | ||
1668 | static void | |
1669 | jme_map_tx_skb(struct jme_adapter *jme, struct sk_buff *skb, int idx) | |
1670 | { | |
1671 | struct jme_ring *txring = jme->txring; | |
1672 | volatile struct txdesc *txdesc = txring->desc, *ctxdesc; | |
1673 | struct jme_buffer_info *txbi = txring->bufinf, *ctxbi; | |
1674 | __u8 hidma = jme->dev->features & NETIF_F_HIGHDMA; | |
1675 | int i, nr_frags = skb_shinfo(skb)->nr_frags; | |
1676 | int mask = jme->tx_ring_mask; | |
1677 | struct skb_frag_struct *frag; | |
1678 | __u32 len; | |
1679 | ||
1680 | for(i = 0 ; i < nr_frags ; ++i) { | |
1681 | frag = &skb_shinfo(skb)->frags[i]; | |
1682 | ctxdesc = txdesc + ((idx + i + 2) & (mask)); | |
1683 | ctxbi = txbi + ((idx + i + 2) & (mask)); | |
1684 | ||
1685 | jme_fill_tx_map(jme->pdev, ctxdesc, ctxbi, frag->page, | |
1686 | frag->page_offset, frag->size, hidma); | |
42b1055e | 1687 | } |
b3821cc5 GFT |
1688 | |
1689 | len = skb_is_nonlinear(skb)?skb_headlen(skb):skb->len; | |
1690 | ctxdesc = txdesc + ((idx + 1) & (mask)); | |
1691 | ctxbi = txbi + ((idx + 1) & (mask)); | |
1692 | jme_fill_tx_map(jme->pdev, ctxdesc, ctxbi, virt_to_page(skb->data), | |
1693 | offset_in_page(skb->data), len, hidma); | |
1694 | ||
1695 | } | |
1696 | ||
1697 | static int | |
1698 | jme_expand_header(struct jme_adapter *jme, struct sk_buff *skb) | |
1699 | { | |
1700 | if(unlikely(skb_shinfo(skb)->gso_size && | |
1701 | skb_header_cloned(skb) && | |
1702 | pskb_expand_head(skb, 0, 0, GFP_ATOMIC))) { | |
1703 | dev_kfree_skb(skb); | |
1704 | return -1; | |
1705 | } | |
1706 | ||
1707 | return 0; | |
1708 | } | |
1709 | ||
1710 | static int | |
1711 | jme_tx_tso(struct sk_buff *skb, | |
1712 | volatile __u16 *mss, __u8 *flags) | |
1713 | { | |
1714 | if((*mss = (skb_shinfo(skb)->gso_size << TXDESC_MSS_SHIFT))) { | |
1715 | *flags |= TXFLAG_LSEN; | |
1716 | ||
1717 | if(skb->protocol == __constant_htons(ETH_P_IP)) { | |
1718 | struct iphdr *iph = ip_hdr(skb); | |
1719 | ||
1720 | iph->check = 0; | |
1721 | tcp_hdr(skb)->check = ~csum_tcpudp_magic(iph->saddr, | |
1722 | iph->daddr, 0, | |
1723 | IPPROTO_TCP, | |
1724 | 0); | |
1725 | } | |
1726 | else { | |
1727 | struct ipv6hdr *ip6h = ipv6_hdr(skb); | |
1728 | ||
1729 | tcp_hdr(skb)->check = ~csum_ipv6_magic(&ip6h->saddr, | |
1730 | &ip6h->daddr, 0, | |
1731 | IPPROTO_TCP, | |
1732 | 0); | |
1733 | } | |
1734 | ||
1735 | return 0; | |
1736 | } | |
1737 | ||
1738 | return 1; | |
1739 | } | |
1740 | ||
1741 | static void | |
1742 | jme_tx_csum(struct sk_buff *skb, __u8 *flags) | |
1743 | { | |
1744 | if(skb->ip_summed == CHECKSUM_PARTIAL) { | |
1745 | __u8 ip_proto; | |
1746 | ||
1747 | switch (skb->protocol) { | |
1748 | case __constant_htons(ETH_P_IP): | |
1749 | ip_proto = ip_hdr(skb)->protocol; | |
1750 | break; | |
1751 | case __constant_htons(ETH_P_IPV6): | |
1752 | ip_proto = ipv6_hdr(skb)->nexthdr; | |
1753 | break; | |
1754 | default: | |
1755 | ip_proto = 0; | |
1756 | break; | |
1757 | } | |
1758 | ||
1759 | switch(ip_proto) { | |
1760 | case IPPROTO_TCP: | |
1761 | *flags |= TXFLAG_TCPCS; | |
1762 | break; | |
1763 | case IPPROTO_UDP: | |
1764 | *flags |= TXFLAG_UDPCS; | |
1765 | break; | |
1766 | default: | |
1767 | jeprintk("jme", "Error upper layer protocol.\n"); | |
1768 | break; | |
1769 | } | |
1770 | } | |
1771 | } | |
1772 | ||
1773 | __always_inline static void | |
1774 | jme_tx_vlan(struct sk_buff *skb, volatile __u16 *vlan, __u8 *flags) | |
1775 | { | |
1776 | if(vlan_tx_tag_present(skb)) { | |
1777 | vlan_dbg("jme", "Tag found!(%04x)\n", vlan_tx_tag_get(skb)); | |
1778 | *flags |= TXFLAG_TAGON; | |
1779 | *vlan = vlan_tx_tag_get(skb); | |
42b1055e | 1780 | } |
b3821cc5 GFT |
1781 | } |
1782 | ||
1783 | static int | |
1784 | jme_fill_first_tx_desc(struct jme_adapter *jme, struct sk_buff *skb, int idx) | |
1785 | { | |
1786 | struct jme_ring *txring = jme->txring; | |
1787 | volatile struct txdesc *txdesc; | |
1788 | struct jme_buffer_info *txbi; | |
1789 | __u8 flags; | |
1790 | ||
1791 | txdesc = (volatile struct txdesc*)txring->desc + idx; | |
1792 | txbi = txring->bufinf + idx; | |
1793 | ||
1794 | txdesc->dw[0] = 0; | |
1795 | txdesc->dw[1] = 0; | |
1796 | txdesc->dw[2] = 0; | |
1797 | txdesc->dw[3] = 0; | |
1798 | txdesc->desc1.pktsize = cpu_to_le16(skb->len); | |
1799 | /* | |
1800 | * Set OWN bit at final. | |
1801 | * When kernel transmit faster than NIC. | |
1802 | * And NIC trying to send this descriptor before we tell | |
1803 | * it to start sending this TX queue. | |
1804 | * Other fields are already filled correctly. | |
1805 | */ | |
1806 | wmb(); | |
1807 | flags = TXFLAG_OWN | TXFLAG_INT; | |
1808 | //Set checksum flags while not tso | |
1809 | if(jme_tx_tso(skb, &txdesc->desc1.mss, &flags)) | |
1810 | jme_tx_csum(skb, &flags); | |
1811 | jme_tx_vlan(skb, &txdesc->desc1.vlan, &flags); | |
1812 | txdesc->desc1.flags = flags; | |
1813 | /* | |
1814 | * Set tx buffer info after telling NIC to send | |
1815 | * For better tx_clean timing | |
1816 | */ | |
1817 | wmb(); | |
1818 | txbi->nr_desc = skb_shinfo(skb)->nr_frags + 2; | |
1819 | txbi->skb = skb; | |
1820 | txbi->len = skb->len; | |
cdcdc9eb | 1821 | if(!(txbi->start_xmit = jiffies)) |
8d27293f | 1822 | txbi->start_xmit = (0UL-1); |
d7699f87 GFT |
1823 | |
1824 | return 0; | |
1825 | } | |
1826 | ||
b3821cc5 GFT |
1827 | static void |
1828 | jme_stop_queue_if_full(struct jme_adapter *jme) | |
1829 | { | |
1830 | struct jme_ring *txring = jme->txring; | |
cdcdc9eb GFT |
1831 | struct jme_buffer_info *txbi = txring->bufinf; |
1832 | ||
1833 | txbi += atomic_read(&txring->next_to_clean); | |
b3821cc5 GFT |
1834 | |
1835 | smp_wmb(); | |
1836 | if(unlikely(atomic_read(&txring->nr_free) < (MAX_SKB_FRAGS+2))) { | |
1837 | netif_stop_queue(jme->dev); | |
1838 | queue_dbg(jme->dev->name, "TX Queue Paused.\n"); | |
1839 | smp_wmb(); | |
1840 | if (atomic_read(&txring->nr_free) >= (jme->tx_wake_threshold)) { | |
1841 | netif_wake_queue(jme->dev); | |
1842 | queue_dbg(jme->dev->name, "TX Queue Fast Waked.\n"); | |
1843 | } | |
1844 | } | |
1845 | ||
cdcdc9eb GFT |
1846 | if(unlikely( txbi->start_xmit && |
1847 | (jiffies - txbi->start_xmit) >= TX_TIMEOUT && | |
1848 | txbi->skb)) { | |
1849 | netif_stop_queue(jme->dev); | |
47220951 | 1850 | queue_dbg(jme->dev->name, "TX Queue Stopped @(%lu).\n", jiffies); |
cdcdc9eb | 1851 | } |
b3821cc5 GFT |
1852 | } |
1853 | ||
3bf61c55 GFT |
1854 | /* |
1855 | * This function is already protected by netif_tx_lock() | |
1856 | */ | |
1857 | static int | |
1858 | jme_start_xmit(struct sk_buff *skb, struct net_device *netdev) | |
d7699f87 GFT |
1859 | { |
1860 | struct jme_adapter *jme = netdev_priv(netdev); | |
b3821cc5 | 1861 | int idx; |
d7699f87 | 1862 | |
b3821cc5 GFT |
1863 | if(skb_shinfo(skb)->nr_frags) { |
1864 | tx_dbg(netdev->name, "Frags: %d Headlen: %d Len: %d MSS: %d Sum:%d\n", | |
1865 | skb_shinfo(skb)->nr_frags, | |
1866 | skb_headlen(skb), | |
1867 | skb->len, | |
1868 | skb_shinfo(skb)->gso_size, | |
1869 | skb->ip_summed); | |
1870 | } | |
1871 | ||
1872 | if(unlikely(jme_expand_header(jme, skb))) { | |
1873 | ++(NET_STAT(jme).tx_dropped); | |
1874 | return NETDEV_TX_OK; | |
1875 | } | |
1876 | ||
1877 | idx = jme_alloc_txdesc(jme, skb); | |
79ce639c | 1878 | |
b3821cc5 GFT |
1879 | if(unlikely(idx<0)) { |
1880 | netif_stop_queue(netdev); | |
1881 | jeprintk(netdev->name, | |
1882 | "BUG! Tx ring full when queue awake!\n"); | |
d7699f87 | 1883 | |
b3821cc5 GFT |
1884 | return NETDEV_TX_BUSY; |
1885 | } | |
1886 | ||
1887 | jme_map_tx_skb(jme, skb, idx); | |
1888 | jme_fill_first_tx_desc(jme, skb, idx); | |
1889 | ||
47220951 GFT |
1890 | tx_dbg(jme->dev->name, "Xmit: %d+%d @(%lu)\n", |
1891 | idx, skb_shinfo(skb)->nr_frags + 2, jiffies); | |
d7699f87 | 1892 | |
4330c2f2 GFT |
1893 | jwrite32(jme, JME_TXCS, jme->reg_txcs | |
1894 | TXCS_SELECT_QUEUE0 | | |
1895 | TXCS_QUEUE0S | | |
1896 | TXCS_ENABLE); | |
d7699f87 GFT |
1897 | netdev->trans_start = jiffies; |
1898 | ||
b3821cc5 GFT |
1899 | jme_stop_queue_if_full(jme); |
1900 | ||
4330c2f2 | 1901 | return NETDEV_TX_OK; |
d7699f87 GFT |
1902 | } |
1903 | ||
3bf61c55 GFT |
1904 | static int |
1905 | jme_set_macaddr(struct net_device *netdev, void *p) | |
d7699f87 GFT |
1906 | { |
1907 | struct jme_adapter *jme = netdev_priv(netdev); | |
1908 | struct sockaddr *addr = p; | |
1909 | __u32 val; | |
1910 | ||
1911 | if(netif_running(netdev)) | |
1912 | return -EBUSY; | |
1913 | ||
fcf45b4c | 1914 | spin_lock(&jme->macaddr_lock); |
d7699f87 GFT |
1915 | memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len); |
1916 | ||
186fc259 GFT |
1917 | val = (addr->sa_data[3] & 0xff) << 24 | |
1918 | (addr->sa_data[2] & 0xff) << 16 | | |
1919 | (addr->sa_data[1] & 0xff) << 8 | | |
1920 | (addr->sa_data[0] & 0xff); | |
4330c2f2 | 1921 | jwrite32(jme, JME_RXUMA_LO, val); |
186fc259 GFT |
1922 | val = (addr->sa_data[5] & 0xff) << 8 | |
1923 | (addr->sa_data[4] & 0xff); | |
4330c2f2 | 1924 | jwrite32(jme, JME_RXUMA_HI, val); |
fcf45b4c | 1925 | spin_unlock(&jme->macaddr_lock); |
d7699f87 GFT |
1926 | |
1927 | return 0; | |
1928 | } | |
1929 | ||
3bf61c55 GFT |
1930 | static void |
1931 | jme_set_multi(struct net_device *netdev) | |
d7699f87 | 1932 | { |
3bf61c55 | 1933 | struct jme_adapter *jme = netdev_priv(netdev); |
d7699f87 | 1934 | u32 mc_hash[2] = {}; |
d7699f87 | 1935 | int i; |
8c198884 | 1936 | unsigned long flags; |
d7699f87 | 1937 | |
8c198884 GFT |
1938 | spin_lock_irqsave(&jme->rxmcs_lock, flags); |
1939 | ||
1940 | jme->reg_rxmcs |= RXMCS_BRDFRAME | RXMCS_UNIFRAME; | |
d7699f87 | 1941 | |
3bf61c55 | 1942 | if (netdev->flags & IFF_PROMISC) { |
8c198884 | 1943 | jme->reg_rxmcs |= RXMCS_ALLFRAME; |
3bf61c55 GFT |
1944 | } |
1945 | else if (netdev->flags & IFF_ALLMULTI) { | |
8c198884 | 1946 | jme->reg_rxmcs |= RXMCS_ALLMULFRAME; |
3bf61c55 | 1947 | } |
d7699f87 | 1948 | else if(netdev->flags & IFF_MULTICAST) { |
3bf61c55 GFT |
1949 | struct dev_mc_list *mclist; |
1950 | int bit_nr; | |
d7699f87 | 1951 | |
8c198884 | 1952 | jme->reg_rxmcs |= RXMCS_MULFRAME | RXMCS_MULFILTERED; |
3bf61c55 GFT |
1953 | for (i = 0, mclist = netdev->mc_list; |
1954 | mclist && i < netdev->mc_count; | |
1955 | ++i, mclist = mclist->next) { | |
1956 | ||
d7699f87 GFT |
1957 | bit_nr = ether_crc(ETH_ALEN, mclist->dmi_addr) & 0x3F; |
1958 | mc_hash[bit_nr >> 5] |= 1 << (bit_nr & 0x1F); | |
d7699f87 GFT |
1959 | } |
1960 | ||
4330c2f2 GFT |
1961 | jwrite32(jme, JME_RXMCHT_LO, mc_hash[0]); |
1962 | jwrite32(jme, JME_RXMCHT_HI, mc_hash[1]); | |
d7699f87 GFT |
1963 | } |
1964 | ||
d7699f87 | 1965 | wmb(); |
8c198884 GFT |
1966 | jwrite32(jme, JME_RXMCS, jme->reg_rxmcs); |
1967 | ||
1968 | spin_unlock_irqrestore(&jme->rxmcs_lock, flags); | |
d7699f87 GFT |
1969 | } |
1970 | ||
3bf61c55 | 1971 | static int |
8c198884 | 1972 | jme_change_mtu(struct net_device *netdev, int new_mtu) |
d7699f87 | 1973 | { |
79ce639c GFT |
1974 | struct jme_adapter *jme = netdev_priv(netdev); |
1975 | ||
29bdd921 GFT |
1976 | if(new_mtu == jme->old_mtu) |
1977 | return 0; | |
1978 | ||
79ce639c | 1979 | if (((new_mtu + ETH_HLEN) > MAX_ETHERNET_JUMBO_PACKET_SIZE) || |
42b1055e | 1980 | ((new_mtu) < IPV6_MIN_MTU)) |
79ce639c GFT |
1981 | return -EINVAL; |
1982 | ||
1983 | if(new_mtu > 4000) { | |
1984 | jme->reg_rxcs &= ~RXCS_FIFOTHNP; | |
1985 | jme->reg_rxcs |= RXCS_FIFOTHNP_64QW; | |
1986 | jme_restart_rx_engine(jme); | |
1987 | } | |
1988 | else { | |
1989 | jme->reg_rxcs &= ~RXCS_FIFOTHNP; | |
1990 | jme->reg_rxcs |= RXCS_FIFOTHNP_128QW; | |
1991 | jme_restart_rx_engine(jme); | |
1992 | } | |
1993 | ||
1994 | if(new_mtu > 1900) { | |
b3821cc5 GFT |
1995 | netdev->features &= ~(NETIF_F_HW_CSUM | |
1996 | NETIF_F_TSO | | |
1997 | NETIF_F_TSO6); | |
79ce639c GFT |
1998 | } |
1999 | else { | |
b3821cc5 GFT |
2000 | if(jme->flags & JME_FLAG_TXCSUM) |
2001 | netdev->features |= NETIF_F_HW_CSUM; | |
2002 | if(jme->flags & JME_FLAG_TSO) | |
2003 | netdev->features |= NETIF_F_TSO | NETIF_F_TSO6; | |
79ce639c GFT |
2004 | } |
2005 | ||
2006 | netdev->mtu = new_mtu; | |
2007 | jme_reset_link(jme); | |
2008 | ||
2009 | return 0; | |
d7699f87 GFT |
2010 | } |
2011 | ||
8c198884 GFT |
2012 | static void |
2013 | jme_tx_timeout(struct net_device *netdev) | |
2014 | { | |
2015 | struct jme_adapter *jme = netdev_priv(netdev); | |
2016 | ||
cdcdc9eb GFT |
2017 | jme->phylink = 0; |
2018 | jme_reset_phy_processor(jme); | |
2019 | if(jme->flags & JME_FLAG_SSET) | |
2020 | jme_set_settings(netdev, &jme->old_ecmd); | |
2021 | ||
8c198884 | 2022 | /* |
cdcdc9eb | 2023 | * Force to Reset the link again |
8c198884 | 2024 | */ |
29bdd921 | 2025 | jme_reset_link(jme); |
8c198884 GFT |
2026 | } |
2027 | ||
42b1055e GFT |
2028 | static void |
2029 | jme_vlan_rx_register(struct net_device *netdev, struct vlan_group *grp) | |
2030 | { | |
2031 | struct jme_adapter *jme = netdev_priv(netdev); | |
2032 | ||
2033 | jme->vlgrp = grp; | |
2034 | } | |
2035 | ||
3bf61c55 GFT |
2036 | static void |
2037 | jme_get_drvinfo(struct net_device *netdev, | |
2038 | struct ethtool_drvinfo *info) | |
d7699f87 GFT |
2039 | { |
2040 | struct jme_adapter *jme = netdev_priv(netdev); | |
2041 | ||
2042 | strcpy(info->driver, DRV_NAME); | |
2043 | strcpy(info->version, DRV_VERSION); | |
2044 | strcpy(info->bus_info, pci_name(jme->pdev)); | |
2045 | } | |
2046 | ||
8c198884 GFT |
2047 | static int |
2048 | jme_get_regs_len(struct net_device *netdev) | |
2049 | { | |
186fc259 | 2050 | return JME_REG_LEN; |
8c198884 GFT |
2051 | } |
2052 | ||
2053 | static void | |
2054 | mmapio_memcpy(struct jme_adapter *jme, __u32 *p, __u32 reg, int len) | |
2055 | { | |
2056 | int i; | |
2057 | ||
2058 | for(i = 0 ; i < len ; i += 4) | |
79ce639c | 2059 | p[i >> 2] = jread32(jme, reg + i); |
186fc259 | 2060 | } |
8c198884 | 2061 | |
186fc259 GFT |
2062 | static void |
2063 | mdio_memcpy(struct jme_adapter *jme, __u32 *p, int reg_nr) | |
2064 | { | |
2065 | int i; | |
2066 | __u16 *p16 = (__u16*)p; | |
2067 | ||
2068 | for(i = 0 ; i < reg_nr ; ++i) | |
2069 | p16[i] = jme_mdio_read(jme->dev, jme->mii_if.phy_id, i); | |
8c198884 GFT |
2070 | } |
2071 | ||
2072 | static void | |
2073 | jme_get_regs(struct net_device *netdev, struct ethtool_regs *regs, void *p) | |
2074 | { | |
2075 | struct jme_adapter *jme = netdev_priv(netdev); | |
2076 | __u32 *p32 = (__u32*)p; | |
2077 | ||
186fc259 | 2078 | memset(p, 0xFF, JME_REG_LEN); |
8c198884 GFT |
2079 | |
2080 | regs->version = 1; | |
2081 | mmapio_memcpy(jme, p32, JME_MAC, JME_MAC_LEN); | |
2082 | ||
2083 | p32 += 0x100 >> 2; | |
2084 | mmapio_memcpy(jme, p32, JME_PHY, JME_PHY_LEN); | |
2085 | ||
2086 | p32 += 0x100 >> 2; | |
2087 | mmapio_memcpy(jme, p32, JME_MISC, JME_MISC_LEN); | |
2088 | ||
2089 | p32 += 0x100 >> 2; | |
2090 | mmapio_memcpy(jme, p32, JME_RSS, JME_RSS_LEN); | |
2091 | ||
186fc259 GFT |
2092 | p32 += 0x100 >> 2; |
2093 | mdio_memcpy(jme, p32, JME_PHY_REG_NR); | |
8c198884 GFT |
2094 | } |
2095 | ||
2096 | static int | |
2097 | jme_get_coalesce(struct net_device *netdev, struct ethtool_coalesce *ecmd) | |
2098 | { | |
2099 | struct jme_adapter *jme = netdev_priv(netdev); | |
2100 | ||
8c198884 GFT |
2101 | ecmd->tx_coalesce_usecs = PCC_TX_TO; |
2102 | ecmd->tx_max_coalesced_frames = PCC_TX_CNT; | |
2103 | ||
cdcdc9eb GFT |
2104 | if(jme->flags & JME_FLAG_POLL) { |
2105 | ecmd->use_adaptive_rx_coalesce = false; | |
2106 | ecmd->rx_coalesce_usecs = 0; | |
2107 | ecmd->rx_max_coalesced_frames = 0; | |
2108 | return 0; | |
2109 | } | |
2110 | ||
2111 | ecmd->use_adaptive_rx_coalesce = true; | |
2112 | ||
8c198884 GFT |
2113 | switch(jme->dpi.cur) { |
2114 | case PCC_P1: | |
2115 | ecmd->rx_coalesce_usecs = PCC_P1_TO; | |
2116 | ecmd->rx_max_coalesced_frames = PCC_P1_CNT; | |
2117 | break; | |
2118 | case PCC_P2: | |
2119 | ecmd->rx_coalesce_usecs = PCC_P2_TO; | |
2120 | ecmd->rx_max_coalesced_frames = PCC_P2_CNT; | |
2121 | break; | |
2122 | case PCC_P3: | |
2123 | ecmd->rx_coalesce_usecs = PCC_P3_TO; | |
2124 | ecmd->rx_max_coalesced_frames = PCC_P3_CNT; | |
2125 | break; | |
2126 | default: | |
2127 | break; | |
2128 | } | |
2129 | ||
2130 | return 0; | |
2131 | } | |
2132 | ||
192570e0 GFT |
2133 | static int |
2134 | jme_set_coalesce(struct net_device *netdev, struct ethtool_coalesce *ecmd) | |
2135 | { | |
2136 | struct jme_adapter *jme = netdev_priv(netdev); | |
2137 | struct dynpcc_info *dpi = &(jme->dpi); | |
2138 | ||
cdcdc9eb GFT |
2139 | if(netif_running(netdev)) |
2140 | return -EBUSY; | |
2141 | ||
192570e0 GFT |
2142 | if(ecmd->use_adaptive_rx_coalesce |
2143 | && (jme->flags & JME_FLAG_POLL)) { | |
2144 | jme->flags &= ~JME_FLAG_POLL; | |
cdcdc9eb GFT |
2145 | jme->jme_rx = netif_rx; |
2146 | jme->jme_vlan_rx = vlan_hwaccel_rx; | |
192570e0 GFT |
2147 | dpi->cur = PCC_P1; |
2148 | dpi->attempt = PCC_P1; | |
2149 | dpi->cnt = 0; | |
2150 | jme_set_rx_pcc(jme, PCC_P1); | |
2151 | jme_interrupt_mode(jme); | |
2152 | } | |
2153 | else if(!(ecmd->use_adaptive_rx_coalesce) | |
2154 | && !(jme->flags & JME_FLAG_POLL)) { | |
2155 | jme->flags |= JME_FLAG_POLL; | |
cdcdc9eb GFT |
2156 | jme->jme_rx = netif_receive_skb; |
2157 | jme->jme_vlan_rx = vlan_hwaccel_receive_skb; | |
192570e0 GFT |
2158 | jme_interrupt_mode(jme); |
2159 | } | |
2160 | ||
2161 | return 0; | |
2162 | } | |
2163 | ||
8c198884 GFT |
2164 | static void |
2165 | jme_get_pauseparam(struct net_device *netdev, | |
2166 | struct ethtool_pauseparam *ecmd) | |
2167 | { | |
2168 | struct jme_adapter *jme = netdev_priv(netdev); | |
2169 | unsigned long flags; | |
2170 | __u32 val; | |
2171 | ||
2172 | ecmd->tx_pause = (jme->reg_txpfc & TXPFC_PF_EN) != 0; | |
2173 | ecmd->rx_pause = (jme->reg_rxmcs & RXMCS_FLOWCTRL) != 0; | |
2174 | ||
2175 | spin_lock_irqsave(&jme->phy_lock, flags); | |
2176 | val = jme_mdio_read(jme->dev, jme->mii_if.phy_id, MII_ADVERTISE); | |
2177 | spin_unlock_irqrestore(&jme->phy_lock, flags); | |
b3821cc5 GFT |
2178 | |
2179 | ecmd->autoneg = | |
2180 | (val & (ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM)) != 0; | |
8c198884 GFT |
2181 | } |
2182 | ||
2183 | static int | |
2184 | jme_set_pauseparam(struct net_device *netdev, | |
2185 | struct ethtool_pauseparam *ecmd) | |
2186 | { | |
2187 | struct jme_adapter *jme = netdev_priv(netdev); | |
2188 | unsigned long flags; | |
2189 | __u32 val; | |
2190 | ||
2191 | if( ((jme->reg_txpfc & TXPFC_PF_EN) != 0) != | |
2192 | (ecmd->tx_pause != 0)) { | |
2193 | ||
2194 | if(ecmd->tx_pause) | |
2195 | jme->reg_txpfc |= TXPFC_PF_EN; | |
2196 | else | |
2197 | jme->reg_txpfc &= ~TXPFC_PF_EN; | |
2198 | ||
2199 | jwrite32(jme, JME_TXPFC, jme->reg_txpfc); | |
2200 | } | |
2201 | ||
2202 | spin_lock_irqsave(&jme->rxmcs_lock, flags); | |
2203 | if( ((jme->reg_rxmcs & RXMCS_FLOWCTRL) != 0) != | |
2204 | (ecmd->rx_pause != 0)) { | |
2205 | ||
2206 | if(ecmd->rx_pause) | |
2207 | jme->reg_rxmcs |= RXMCS_FLOWCTRL; | |
2208 | else | |
2209 | jme->reg_rxmcs &= ~RXMCS_FLOWCTRL; | |
2210 | ||
2211 | jwrite32(jme, JME_RXMCS, jme->reg_rxmcs); | |
2212 | } | |
2213 | spin_unlock_irqrestore(&jme->rxmcs_lock, flags); | |
2214 | ||
2215 | spin_lock_irqsave(&jme->phy_lock, flags); | |
2216 | val = jme_mdio_read(jme->dev, jme->mii_if.phy_id, MII_ADVERTISE); | |
b3821cc5 | 2217 | if( ((val & (ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM)) != 0) != |
8c198884 GFT |
2218 | (ecmd->autoneg != 0)) { |
2219 | ||
2220 | if(ecmd->autoneg) | |
2221 | val |= (ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM); | |
2222 | else | |
2223 | val &= ~(ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM); | |
2224 | ||
b3821cc5 GFT |
2225 | jme_mdio_write(jme->dev, jme->mii_if.phy_id, |
2226 | MII_ADVERTISE, val); | |
8c198884 GFT |
2227 | } |
2228 | spin_unlock_irqrestore(&jme->phy_lock, flags); | |
2229 | ||
2230 | return 0; | |
2231 | } | |
2232 | ||
29bdd921 GFT |
2233 | static void |
2234 | jme_get_wol(struct net_device *netdev, | |
2235 | struct ethtool_wolinfo *wol) | |
2236 | { | |
2237 | struct jme_adapter *jme = netdev_priv(netdev); | |
2238 | ||
2239 | wol->supported = WAKE_MAGIC | WAKE_PHY; | |
2240 | ||
2241 | wol->wolopts = 0; | |
2242 | ||
2243 | if(jme->reg_pmcs & (PMCS_LFEN | PMCS_LREN)) | |
2244 | wol->wolopts |= WAKE_PHY; | |
2245 | ||
2246 | if(jme->reg_pmcs & PMCS_MFEN) | |
2247 | wol->wolopts |= WAKE_MAGIC; | |
2248 | ||
2249 | } | |
2250 | ||
2251 | static int | |
2252 | jme_set_wol(struct net_device *netdev, | |
2253 | struct ethtool_wolinfo *wol) | |
2254 | { | |
2255 | struct jme_adapter *jme = netdev_priv(netdev); | |
2256 | ||
2257 | if(wol->wolopts & (WAKE_MAGICSECURE | | |
2258 | WAKE_UCAST | | |
2259 | WAKE_MCAST | | |
2260 | WAKE_BCAST | | |
2261 | WAKE_ARP)) | |
2262 | return -EOPNOTSUPP; | |
2263 | ||
2264 | jme->reg_pmcs = 0; | |
2265 | ||
2266 | if(wol->wolopts & WAKE_PHY) | |
2267 | jme->reg_pmcs |= PMCS_LFEN | PMCS_LREN; | |
2268 | ||
2269 | if(wol->wolopts & WAKE_MAGIC) | |
2270 | jme->reg_pmcs |= PMCS_MFEN; | |
2271 | ||
42b1055e | 2272 | |
29bdd921 GFT |
2273 | return 0; |
2274 | } | |
b3821cc5 | 2275 | |
3bf61c55 GFT |
2276 | static int |
2277 | jme_get_settings(struct net_device *netdev, | |
2278 | struct ethtool_cmd *ecmd) | |
d7699f87 GFT |
2279 | { |
2280 | struct jme_adapter *jme = netdev_priv(netdev); | |
2281 | int rc; | |
79ce639c | 2282 | unsigned long flags; |
8c198884 | 2283 | |
79ce639c | 2284 | spin_lock_irqsave(&jme->phy_lock, flags); |
d7699f87 | 2285 | rc = mii_ethtool_gset(&(jme->mii_if), ecmd); |
79ce639c | 2286 | spin_unlock_irqrestore(&jme->phy_lock, flags); |
d7699f87 GFT |
2287 | return rc; |
2288 | } | |
2289 | ||
3bf61c55 GFT |
2290 | static int |
2291 | jme_set_settings(struct net_device *netdev, | |
2292 | struct ethtool_cmd *ecmd) | |
d7699f87 GFT |
2293 | { |
2294 | struct jme_adapter *jme = netdev_priv(netdev); | |
79ce639c | 2295 | int rc, fdc=0; |
fcf45b4c GFT |
2296 | unsigned long flags; |
2297 | ||
8c198884 GFT |
2298 | if(ecmd->speed == SPEED_1000 && ecmd->autoneg != AUTONEG_ENABLE) |
2299 | return -EINVAL; | |
2300 | ||
79ce639c GFT |
2301 | if(jme->mii_if.force_media && |
2302 | ecmd->autoneg != AUTONEG_ENABLE && | |
2303 | (jme->mii_if.full_duplex != ecmd->duplex)) | |
2304 | fdc = 1; | |
2305 | ||
fcf45b4c | 2306 | spin_lock_irqsave(&jme->phy_lock, flags); |
d7699f87 | 2307 | rc = mii_ethtool_sset(&(jme->mii_if), ecmd); |
fcf45b4c GFT |
2308 | spin_unlock_irqrestore(&jme->phy_lock, flags); |
2309 | ||
79ce639c GFT |
2310 | if(!rc && fdc) |
2311 | jme_reset_link(jme); | |
2312 | ||
29bdd921 GFT |
2313 | if(!rc) { |
2314 | jme->flags |= JME_FLAG_SSET; | |
2315 | jme->old_ecmd = *ecmd; | |
2316 | } | |
2317 | ||
d7699f87 GFT |
2318 | return rc; |
2319 | } | |
2320 | ||
3bf61c55 GFT |
2321 | static __u32 |
2322 | jme_get_link(struct net_device *netdev) | |
2323 | { | |
d7699f87 GFT |
2324 | struct jme_adapter *jme = netdev_priv(netdev); |
2325 | return jread32(jme, JME_PHY_LINK) & PHY_LINK_UP; | |
2326 | } | |
2327 | ||
8c198884 GFT |
2328 | static u32 |
2329 | jme_get_rx_csum(struct net_device *netdev) | |
2330 | { | |
2331 | struct jme_adapter *jme = netdev_priv(netdev); | |
2332 | ||
2333 | return jme->reg_rxmcs & RXMCS_CHECKSUM; | |
2334 | } | |
2335 | ||
2336 | static int | |
2337 | jme_set_rx_csum(struct net_device *netdev, u32 on) | |
2338 | { | |
2339 | struct jme_adapter *jme = netdev_priv(netdev); | |
2340 | unsigned long flags; | |
b3821cc5 | 2341 | |
8c198884 GFT |
2342 | spin_lock_irqsave(&jme->rxmcs_lock, flags); |
2343 | if(on) | |
2344 | jme->reg_rxmcs |= RXMCS_CHECKSUM; | |
2345 | else | |
2346 | jme->reg_rxmcs &= ~RXMCS_CHECKSUM; | |
2347 | jwrite32(jme, JME_RXMCS, jme->reg_rxmcs); | |
2348 | spin_unlock_irqrestore(&jme->rxmcs_lock, flags); | |
2349 | ||
2350 | return 0; | |
2351 | } | |
2352 | ||
2353 | static int | |
2354 | jme_set_tx_csum(struct net_device *netdev, u32 on) | |
2355 | { | |
b3821cc5 GFT |
2356 | struct jme_adapter *jme = netdev_priv(netdev); |
2357 | ||
2358 | if(on) { | |
2359 | jme->flags |= JME_FLAG_TXCSUM; | |
2360 | if(netdev->mtu <= 1900) | |
2361 | netdev->features |= NETIF_F_HW_CSUM; | |
2362 | } | |
2363 | else { | |
2364 | jme->flags &= ~JME_FLAG_TXCSUM; | |
8c198884 | 2365 | netdev->features &= ~NETIF_F_HW_CSUM; |
b3821cc5 | 2366 | } |
8c198884 GFT |
2367 | |
2368 | return 0; | |
2369 | } | |
2370 | ||
b3821cc5 GFT |
2371 | static int |
2372 | jme_set_tso(struct net_device *netdev, u32 on) | |
2373 | { | |
2374 | struct jme_adapter *jme = netdev_priv(netdev); | |
2375 | ||
2376 | if (on) { | |
2377 | jme->flags |= JME_FLAG_TSO; | |
2378 | if(netdev->mtu <= 1900) | |
2379 | netdev->features |= NETIF_F_TSO | NETIF_F_TSO6; | |
2380 | } | |
2381 | else { | |
2382 | jme->flags &= ~JME_FLAG_TSO; | |
2383 | netdev->features &= ~(NETIF_F_TSO | NETIF_F_TSO6); | |
2384 | } | |
2385 | ||
2386 | return 0; | |
2387 | } | |
2388 | ||
8c198884 GFT |
2389 | static int |
2390 | jme_nway_reset(struct net_device *netdev) | |
2391 | { | |
2392 | struct jme_adapter *jme = netdev_priv(netdev); | |
2393 | jme_restart_an(jme); | |
2394 | return 0; | |
2395 | } | |
2396 | ||
186fc259 GFT |
2397 | static __u8 |
2398 | jme_smb_read(struct jme_adapter *jme, unsigned int addr) | |
2399 | { | |
2400 | __u32 val; | |
2401 | int to; | |
2402 | ||
2403 | val = jread32(jme, JME_SMBCSR); | |
2404 | to = JME_SMB_BUSY_TIMEOUT; | |
2405 | while((val & SMBCSR_BUSY) && --to) { | |
2406 | msleep(1); | |
2407 | val = jread32(jme, JME_SMBCSR); | |
2408 | } | |
2409 | if(!to) { | |
2410 | jeprintk(jme->dev->name, "SMB Bus Busy.\n"); | |
2411 | return 0xFF; | |
2412 | } | |
2413 | ||
2414 | jwrite32(jme, JME_SMBINTF, | |
2415 | ((addr << SMBINTF_HWADDR_SHIFT) & SMBINTF_HWADDR) | | |
2416 | SMBINTF_HWRWN_READ | | |
2417 | SMBINTF_HWCMD); | |
2418 | ||
2419 | val = jread32(jme, JME_SMBINTF); | |
2420 | to = JME_SMB_BUSY_TIMEOUT; | |
2421 | while((val & SMBINTF_HWCMD) && --to) { | |
2422 | msleep(1); | |
2423 | val = jread32(jme, JME_SMBINTF); | |
2424 | } | |
2425 | if(!to) { | |
2426 | jeprintk(jme->dev->name, "SMB Bus Busy.\n"); | |
2427 | return 0xFF; | |
2428 | } | |
2429 | ||
2430 | return (val & SMBINTF_HWDATR) >> SMBINTF_HWDATR_SHIFT; | |
2431 | } | |
2432 | ||
2433 | static void | |
2434 | jme_smb_write(struct jme_adapter *jme, unsigned int addr, __u8 data) | |
2435 | { | |
2436 | __u32 val; | |
2437 | int to; | |
2438 | ||
2439 | val = jread32(jme, JME_SMBCSR); | |
2440 | to = JME_SMB_BUSY_TIMEOUT; | |
2441 | while((val & SMBCSR_BUSY) && --to) { | |
2442 | msleep(1); | |
2443 | val = jread32(jme, JME_SMBCSR); | |
2444 | } | |
2445 | if(!to) { | |
2446 | jeprintk(jme->dev->name, "SMB Bus Busy.\n"); | |
2447 | return; | |
2448 | } | |
2449 | ||
2450 | jwrite32(jme, JME_SMBINTF, | |
2451 | ((data << SMBINTF_HWDATW_SHIFT) & SMBINTF_HWDATW) | | |
2452 | ((addr << SMBINTF_HWADDR_SHIFT) & SMBINTF_HWADDR) | | |
2453 | SMBINTF_HWRWN_WRITE | | |
2454 | SMBINTF_HWCMD); | |
2455 | ||
2456 | val = jread32(jme, JME_SMBINTF); | |
2457 | to = JME_SMB_BUSY_TIMEOUT; | |
2458 | while((val & SMBINTF_HWCMD) && --to) { | |
2459 | msleep(1); | |
2460 | val = jread32(jme, JME_SMBINTF); | |
2461 | } | |
2462 | if(!to) { | |
2463 | jeprintk(jme->dev->name, "SMB Bus Busy.\n"); | |
2464 | return; | |
2465 | } | |
2466 | ||
2467 | mdelay(2); | |
2468 | } | |
2469 | ||
2470 | static int | |
2471 | jme_get_eeprom_len(struct net_device *netdev) | |
2472 | { | |
2473 | struct jme_adapter *jme = netdev_priv(netdev); | |
2474 | __u32 val; | |
2475 | val = jread32(jme, JME_SMBCSR); | |
2476 | return (val & SMBCSR_EEPROMD)?JME_SMB_LEN:0; | |
2477 | } | |
2478 | ||
2479 | static int | |
2480 | jme_get_eeprom(struct net_device *netdev, | |
2481 | struct ethtool_eeprom *eeprom, u8 *data) | |
2482 | { | |
2483 | struct jme_adapter *jme = netdev_priv(netdev); | |
2484 | int i, offset = eeprom->offset, len = eeprom->len; | |
2485 | ||
2486 | /* | |
8d27293f | 2487 | * ethtool will check the boundary for us |
186fc259 GFT |
2488 | */ |
2489 | eeprom->magic = JME_EEPROM_MAGIC; | |
2490 | for(i = 0 ; i < len ; ++i) | |
2491 | data[i] = jme_smb_read(jme, i + offset); | |
2492 | ||
2493 | return 0; | |
2494 | } | |
2495 | ||
2496 | static int | |
2497 | jme_set_eeprom(struct net_device *netdev, | |
2498 | struct ethtool_eeprom *eeprom, u8 *data) | |
2499 | { | |
2500 | struct jme_adapter *jme = netdev_priv(netdev); | |
2501 | int i, offset = eeprom->offset, len = eeprom->len; | |
2502 | ||
2503 | if (eeprom->magic != JME_EEPROM_MAGIC) | |
2504 | return -EINVAL; | |
2505 | ||
2506 | /* | |
8d27293f | 2507 | * ethtool will check the boundary for us |
186fc259 GFT |
2508 | */ |
2509 | for(i = 0 ; i < len ; ++i) | |
2510 | jme_smb_write(jme, i + offset, data[i]); | |
2511 | ||
2512 | return 0; | |
2513 | } | |
2514 | ||
d7699f87 GFT |
2515 | static const struct ethtool_ops jme_ethtool_ops = { |
2516 | .get_drvinfo = jme_get_drvinfo, | |
8c198884 GFT |
2517 | .get_regs_len = jme_get_regs_len, |
2518 | .get_regs = jme_get_regs, | |
2519 | .get_coalesce = jme_get_coalesce, | |
192570e0 | 2520 | .set_coalesce = jme_set_coalesce, |
8c198884 GFT |
2521 | .get_pauseparam = jme_get_pauseparam, |
2522 | .set_pauseparam = jme_set_pauseparam, | |
29bdd921 GFT |
2523 | .get_wol = jme_get_wol, |
2524 | .set_wol = jme_set_wol, | |
d7699f87 GFT |
2525 | .get_settings = jme_get_settings, |
2526 | .set_settings = jme_set_settings, | |
2527 | .get_link = jme_get_link, | |
8c198884 GFT |
2528 | .get_rx_csum = jme_get_rx_csum, |
2529 | .set_rx_csum = jme_set_rx_csum, | |
2530 | .set_tx_csum = jme_set_tx_csum, | |
b3821cc5 GFT |
2531 | .set_tso = jme_set_tso, |
2532 | .set_sg = ethtool_op_set_sg, | |
8c198884 | 2533 | .nway_reset = jme_nway_reset, |
186fc259 GFT |
2534 | .get_eeprom_len = jme_get_eeprom_len, |
2535 | .get_eeprom = jme_get_eeprom, | |
2536 | .set_eeprom = jme_set_eeprom, | |
d7699f87 GFT |
2537 | }; |
2538 | ||
3bf61c55 GFT |
2539 | static int |
2540 | jme_pci_dma64(struct pci_dev *pdev) | |
d7699f87 | 2541 | { |
3bf61c55 | 2542 | if (!pci_set_dma_mask(pdev, DMA_64BIT_MASK)) |
42b1055e GFT |
2543 | if(!pci_set_consistent_dma_mask(pdev, DMA_64BIT_MASK)) { |
2544 | dprintk("jme", "64Bit DMA Selected.\n"); | |
3bf61c55 | 2545 | return 1; |
42b1055e | 2546 | } |
3bf61c55 | 2547 | |
8c198884 | 2548 | if (!pci_set_dma_mask(pdev, DMA_40BIT_MASK)) |
42b1055e GFT |
2549 | if(!pci_set_consistent_dma_mask(pdev, DMA_40BIT_MASK)) { |
2550 | dprintk("jme", "40Bit DMA Selected.\n"); | |
8c198884 | 2551 | return 1; |
42b1055e | 2552 | } |
8c198884 | 2553 | |
3bf61c55 | 2554 | if (!pci_set_dma_mask(pdev, DMA_32BIT_MASK)) |
42b1055e GFT |
2555 | if(!pci_set_consistent_dma_mask(pdev, DMA_32BIT_MASK)) { |
2556 | dprintk("jme", "32Bit DMA Selected.\n"); | |
3bf61c55 | 2557 | return 0; |
42b1055e | 2558 | } |
3bf61c55 GFT |
2559 | |
2560 | return -1; | |
2561 | } | |
2562 | ||
42b1055e | 2563 | __always_inline static void |
cdcdc9eb GFT |
2564 | jme_phy_init(struct jme_adapter *jme) |
2565 | { | |
2566 | __u16 reg26; | |
2567 | ||
2568 | reg26 = jme_mdio_read(jme->dev, jme->mii_if.phy_id, 26); | |
2569 | jme_mdio_write(jme->dev, jme->mii_if.phy_id, 26, reg26 | 0x1000); | |
2570 | } | |
2571 | ||
2572 | __always_inline static void | |
2573 | jme_set_gmii(struct jme_adapter *jme) | |
2574 | { | |
2575 | jme_mdio_write(jme->dev, jme->mii_if.phy_id, 27, 0x0004); | |
2576 | } | |
2577 | ||
2578 | static void | |
2579 | jme_check_hw_ver(struct jme_adapter *jme) | |
42b1055e | 2580 | { |
cdcdc9eb GFT |
2581 | __u32 chipmode; |
2582 | ||
2583 | chipmode = jread32(jme, JME_CHIPMODE); | |
2584 | ||
2585 | jme->fpgaver = (chipmode & CM_FPGAVER_MASK) >> CM_FPGAVER_SHIFT; | |
2586 | jme->chipver = (chipmode & CM_CHIPVER_MASK) >> CM_CHIPVER_SHIFT; | |
42b1055e GFT |
2587 | } |
2588 | ||
3bf61c55 GFT |
2589 | static int __devinit |
2590 | jme_init_one(struct pci_dev *pdev, | |
2591 | const struct pci_device_id *ent) | |
2592 | { | |
cdcdc9eb | 2593 | int rc = 0, using_dac, i; |
d7699f87 GFT |
2594 | struct net_device *netdev; |
2595 | struct jme_adapter *jme; | |
cdcdc9eb | 2596 | __u16 bmcr, bmsr; |
d7699f87 GFT |
2597 | |
2598 | /* | |
2599 | * set up PCI device basics | |
2600 | */ | |
4330c2f2 GFT |
2601 | rc = pci_enable_device(pdev); |
2602 | if(rc) { | |
2603 | printk(KERN_ERR PFX "Cannot enable PCI device.\n"); | |
2604 | goto err_out; | |
2605 | } | |
d7699f87 | 2606 | |
3bf61c55 GFT |
2607 | using_dac = jme_pci_dma64(pdev); |
2608 | if(using_dac < 0) { | |
2609 | printk(KERN_ERR PFX "Cannot set PCI DMA Mask.\n"); | |
2610 | rc = -EIO; | |
2611 | goto err_out_disable_pdev; | |
2612 | } | |
2613 | ||
4330c2f2 GFT |
2614 | if(!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) { |
2615 | printk(KERN_ERR PFX "No PCI resource region found.\n"); | |
2616 | rc = -ENOMEM; | |
2617 | goto err_out_disable_pdev; | |
2618 | } | |
d7699f87 | 2619 | |
4330c2f2 GFT |
2620 | rc = pci_request_regions(pdev, DRV_NAME); |
2621 | if(rc) { | |
2622 | printk(KERN_ERR PFX "Cannot obtain PCI resource region.\n"); | |
2623 | goto err_out_disable_pdev; | |
2624 | } | |
d7699f87 GFT |
2625 | |
2626 | pci_set_master(pdev); | |
2627 | ||
2628 | /* | |
2629 | * alloc and init net device | |
2630 | */ | |
3bf61c55 | 2631 | netdev = alloc_etherdev(sizeof(*jme)); |
d7699f87 | 2632 | if(!netdev) { |
42b1055e | 2633 | printk(KERN_ERR PFX "Cannot allocate netdev structure.\n"); |
4330c2f2 GFT |
2634 | rc = -ENOMEM; |
2635 | goto err_out_release_regions; | |
d7699f87 GFT |
2636 | } |
2637 | netdev->open = jme_open; | |
2638 | netdev->stop = jme_close; | |
2639 | netdev->hard_start_xmit = jme_start_xmit; | |
d7699f87 GFT |
2640 | netdev->set_mac_address = jme_set_macaddr; |
2641 | netdev->set_multicast_list = jme_set_multi; | |
2642 | netdev->change_mtu = jme_change_mtu; | |
2643 | netdev->ethtool_ops = &jme_ethtool_ops; | |
8c198884 GFT |
2644 | netdev->tx_timeout = jme_tx_timeout; |
2645 | netdev->watchdog_timeo = TX_TIMEOUT; | |
42b1055e | 2646 | netdev->vlan_rx_register = jme_vlan_rx_register; |
3bf61c55 | 2647 | NETDEV_GET_STATS(netdev, &jme_get_stats); |
42b1055e | 2648 | netdev->features = NETIF_F_HW_CSUM | |
b3821cc5 GFT |
2649 | NETIF_F_SG | |
2650 | NETIF_F_TSO | | |
2651 | NETIF_F_TSO6 | | |
42b1055e GFT |
2652 | NETIF_F_HW_VLAN_TX | |
2653 | NETIF_F_HW_VLAN_RX; | |
3bf61c55 | 2654 | if(using_dac) |
8c198884 | 2655 | netdev->features |= NETIF_F_HIGHDMA; |
d7699f87 GFT |
2656 | |
2657 | SET_NETDEV_DEV(netdev, &pdev->dev); | |
2658 | pci_set_drvdata(pdev, netdev); | |
2659 | ||
2660 | /* | |
2661 | * init adapter info | |
2662 | */ | |
2663 | jme = netdev_priv(netdev); | |
2664 | jme->pdev = pdev; | |
2665 | jme->dev = netdev; | |
cdcdc9eb GFT |
2666 | jme->jme_rx = netif_rx; |
2667 | jme->jme_vlan_rx = vlan_hwaccel_rx; | |
29bdd921 | 2668 | jme->old_mtu = netdev->mtu = 1500; |
fcf45b4c | 2669 | jme->phylink = 0; |
b3821cc5 GFT |
2670 | jme->tx_ring_size = 1 << 10; |
2671 | jme->tx_ring_mask = jme->tx_ring_size - 1; | |
2672 | jme->tx_wake_threshold = 1 << 9; | |
2673 | jme->rx_ring_size = 1 << 9; | |
2674 | jme->rx_ring_mask = jme->rx_ring_size - 1; | |
d7699f87 GFT |
2675 | jme->regs = ioremap(pci_resource_start(pdev, 0), |
2676 | pci_resource_len(pdev, 0)); | |
4330c2f2 | 2677 | if (!(jme->regs)) { |
42b1055e | 2678 | printk(KERN_ERR PFX "Mapping PCI resource region error.\n"); |
d7699f87 GFT |
2679 | rc = -ENOMEM; |
2680 | goto err_out_free_netdev; | |
2681 | } | |
4330c2f2 GFT |
2682 | jme->shadow_regs = pci_alloc_consistent(pdev, |
2683 | sizeof(__u32) * SHADOW_REG_NR, | |
2684 | &(jme->shadow_dma)); | |
2685 | if (!(jme->shadow_regs)) { | |
42b1055e | 2686 | printk(KERN_ERR PFX "Allocating shadow register mapping error.\n"); |
4330c2f2 GFT |
2687 | rc = -ENOMEM; |
2688 | goto err_out_unmap; | |
2689 | } | |
2690 | ||
cdcdc9eb | 2691 | NETIF_NAPI_SET(netdev, &jme->napi, jme_poll, jme->rx_ring_size >> 2) |
192570e0 | 2692 | |
d7699f87 | 2693 | spin_lock_init(&jme->phy_lock); |
fcf45b4c | 2694 | spin_lock_init(&jme->macaddr_lock); |
8c198884 | 2695 | spin_lock_init(&jme->rxmcs_lock); |
fcf45b4c | 2696 | |
fcf45b4c GFT |
2697 | atomic_set(&jme->link_changing, 1); |
2698 | atomic_set(&jme->rx_cleaning, 1); | |
2699 | atomic_set(&jme->tx_cleaning, 1); | |
192570e0 | 2700 | atomic_set(&jme->rx_empty, 1); |
fcf45b4c | 2701 | |
79ce639c GFT |
2702 | tasklet_init(&jme->pcc_task, |
2703 | &jme_pcc_tasklet, | |
2704 | (unsigned long) jme); | |
4330c2f2 GFT |
2705 | tasklet_init(&jme->linkch_task, |
2706 | &jme_link_change_tasklet, | |
2707 | (unsigned long) jme); | |
2708 | tasklet_init(&jme->txclean_task, | |
2709 | &jme_tx_clean_tasklet, | |
2710 | (unsigned long) jme); | |
2711 | tasklet_init(&jme->rxclean_task, | |
2712 | &jme_rx_clean_tasklet, | |
2713 | (unsigned long) jme); | |
fcf45b4c GFT |
2714 | tasklet_init(&jme->rxempty_task, |
2715 | &jme_rx_empty_tasklet, | |
2716 | (unsigned long) jme); | |
8c198884 GFT |
2717 | jme->dpi.cur = PCC_P1; |
2718 | ||
8d27293f GFT |
2719 | if(pdev->device == JME_GE_DEVICE) |
2720 | jme->reg_ghc = GHC_DPX | GHC_SPEED_1000M; | |
2721 | else | |
2722 | jme->reg_ghc = GHC_DPX | GHC_SPEED_100M; | |
79ce639c | 2723 | jme->reg_rxcs = RXCS_DEFAULT; |
8c198884 GFT |
2724 | jme->reg_rxmcs = RXMCS_DEFAULT; |
2725 | jme->reg_txpfc = 0; | |
47220951 | 2726 | jme->reg_pmcs = PMCS_MFEN; |
cdcdc9eb | 2727 | jme->flags = JME_FLAG_TXCSUM | JME_FLAG_TSO; |
192570e0 | 2728 | |
fcf45b4c GFT |
2729 | /* |
2730 | * Get Max Read Req Size from PCI Config Space | |
2731 | */ | |
2732 | pci_read_config_byte(pdev, PCI_CONF_DCSR_MRRS, &jme->mrrs); | |
2733 | switch(jme->mrrs) { | |
2734 | case MRRS_128B: | |
2735 | jme->reg_txcs = TXCS_DEFAULT | TXCS_DMASIZE_128B; | |
2736 | break; | |
2737 | case MRRS_256B: | |
2738 | jme->reg_txcs = TXCS_DEFAULT | TXCS_DMASIZE_256B; | |
2739 | break; | |
2740 | default: | |
2741 | jme->reg_txcs = TXCS_DEFAULT | TXCS_DMASIZE_512B; | |
2742 | break; | |
2743 | }; | |
2744 | ||
2745 | ||
d7699f87 | 2746 | /* |
cdcdc9eb | 2747 | * Must check before reset_mac_processor |
d7699f87 | 2748 | */ |
cdcdc9eb GFT |
2749 | jme_check_hw_ver(jme); |
2750 | jme->mii_if.dev = netdev; | |
2751 | if(jme->fpgaver) { | |
2752 | jme->mii_if.phy_id = 0; | |
2753 | for(i = 1 ; i < 32 ; ++i) { | |
2754 | bmcr = jme_mdio_read(netdev, i, MII_BMCR); | |
2755 | bmsr = jme_mdio_read(netdev, i, MII_BMSR); | |
2756 | if(bmcr != 0xFFFFU && (bmcr != 0 || bmsr != 0)) { | |
2757 | jme->mii_if.phy_id = i; | |
2758 | break; | |
2759 | } | |
2760 | } | |
2761 | ||
2762 | if(!jme->mii_if.phy_id) { | |
2763 | rc = -EIO; | |
2764 | printk(KERN_ERR PFX "Can not find phy_id.\n"); | |
2765 | goto err_out_free_shadow; | |
2766 | } | |
2767 | ||
2768 | jme->reg_ghc |= GHC_LINK_POLL; | |
2769 | } | |
2770 | else { | |
2771 | jme->mii_if.phy_id = 1; | |
2772 | } | |
8d27293f GFT |
2773 | if(pdev->device == JME_GE_DEVICE) |
2774 | jme->mii_if.supports_gmii = true; | |
2775 | else | |
2776 | jme->mii_if.supports_gmii = false; | |
cdcdc9eb GFT |
2777 | jme->mii_if.mdio_read = jme_mdio_read; |
2778 | jme->mii_if.mdio_write = jme_mdio_write; | |
2779 | ||
d7699f87 | 2780 | jme_clear_pm(jme); |
cdcdc9eb GFT |
2781 | if(jme->fpgaver) |
2782 | jme_set_gmii(jme); | |
2783 | else | |
2784 | jme_phy_init(jme); | |
42b1055e | 2785 | jme_phy_off(jme); |
cdcdc9eb GFT |
2786 | |
2787 | /* | |
2788 | * Reset MAC processor and reload EEPROM for MAC Address | |
2789 | */ | |
d7699f87 | 2790 | jme_reset_mac_processor(jme); |
4330c2f2 GFT |
2791 | rc = jme_reload_eeprom(jme); |
2792 | if(rc) { | |
3bf61c55 | 2793 | printk(KERN_ERR PFX |
b3821cc5 | 2794 | "Reload eeprom for reading MAC Address error.\n"); |
4330c2f2 GFT |
2795 | goto err_out_free_shadow; |
2796 | } | |
d7699f87 GFT |
2797 | jme_load_macaddr(netdev); |
2798 | ||
2799 | ||
2800 | /* | |
2801 | * Tell stack that we are not ready to work until open() | |
2802 | */ | |
2803 | netif_carrier_off(netdev); | |
2804 | netif_stop_queue(netdev); | |
2805 | ||
2806 | /* | |
2807 | * Register netdev | |
2808 | */ | |
4330c2f2 GFT |
2809 | rc = register_netdev(netdev); |
2810 | if(rc) { | |
2811 | printk(KERN_ERR PFX "Cannot register net device.\n"); | |
2812 | goto err_out_free_shadow; | |
2813 | } | |
d7699f87 | 2814 | |
4330c2f2 | 2815 | jprintk(netdev->name, |
cdcdc9eb GFT |
2816 | "JMC250 gigabit%s ver:%u eth %02x:%02x:%02x:%02x:%02x:%02x\n", |
2817 | (jme->fpgaver != 0)?" (FPGA)":"", | |
2818 | (jme->fpgaver != 0)?jme->fpgaver:jme->chipver, | |
4330c2f2 GFT |
2819 | netdev->dev_addr[0], |
2820 | netdev->dev_addr[1], | |
2821 | netdev->dev_addr[2], | |
2822 | netdev->dev_addr[3], | |
2823 | netdev->dev_addr[4], | |
8c198884 | 2824 | netdev->dev_addr[5]); |
d7699f87 GFT |
2825 | |
2826 | return 0; | |
2827 | ||
4330c2f2 GFT |
2828 | err_out_free_shadow: |
2829 | pci_free_consistent(pdev, | |
2830 | sizeof(__u32) * SHADOW_REG_NR, | |
2831 | jme->shadow_regs, | |
2832 | jme->shadow_dma); | |
d7699f87 GFT |
2833 | err_out_unmap: |
2834 | iounmap(jme->regs); | |
2835 | err_out_free_netdev: | |
2836 | pci_set_drvdata(pdev, NULL); | |
2837 | free_netdev(netdev); | |
4330c2f2 GFT |
2838 | err_out_release_regions: |
2839 | pci_release_regions(pdev); | |
d7699f87 GFT |
2840 | err_out_disable_pdev: |
2841 | pci_disable_device(pdev); | |
d7699f87 | 2842 | err_out: |
4330c2f2 | 2843 | return rc; |
d7699f87 GFT |
2844 | } |
2845 | ||
3bf61c55 GFT |
2846 | static void __devexit |
2847 | jme_remove_one(struct pci_dev *pdev) | |
2848 | { | |
d7699f87 GFT |
2849 | struct net_device *netdev = pci_get_drvdata(pdev); |
2850 | struct jme_adapter *jme = netdev_priv(netdev); | |
2851 | ||
2852 | unregister_netdev(netdev); | |
4330c2f2 GFT |
2853 | pci_free_consistent(pdev, |
2854 | sizeof(__u32) * SHADOW_REG_NR, | |
2855 | jme->shadow_regs, | |
2856 | jme->shadow_dma); | |
d7699f87 GFT |
2857 | iounmap(jme->regs); |
2858 | pci_set_drvdata(pdev, NULL); | |
2859 | free_netdev(netdev); | |
2860 | pci_release_regions(pdev); | |
2861 | pci_disable_device(pdev); | |
2862 | ||
2863 | } | |
2864 | ||
29bdd921 GFT |
2865 | static int |
2866 | jme_suspend(struct pci_dev *pdev, pm_message_t state) | |
2867 | { | |
2868 | struct net_device *netdev = pci_get_drvdata(pdev); | |
2869 | struct jme_adapter *jme = netdev_priv(netdev); | |
2870 | int timeout = 100; | |
2871 | ||
2872 | atomic_dec(&jme->link_changing); | |
2873 | ||
2874 | netif_device_detach(netdev); | |
2875 | netif_stop_queue(netdev); | |
2876 | jme_stop_irq(jme); | |
47220951 | 2877 | //jme_free_irq(jme); |
29bdd921 GFT |
2878 | |
2879 | while(--timeout > 0 && | |
2880 | ( | |
2881 | atomic_read(&jme->rx_cleaning) != 1 || | |
2882 | atomic_read(&jme->tx_cleaning) != 1 | |
2883 | )) { | |
2884 | mdelay(1); | |
2885 | } | |
2886 | if(!timeout) { | |
2887 | jeprintk(netdev->name, "Waiting tasklets timeout.\n"); | |
2888 | return -EBUSY; | |
2889 | } | |
2890 | jme_disable_shadow(jme); | |
2891 | ||
2892 | if(netif_carrier_ok(netdev)) { | |
47220951 GFT |
2893 | if(jme->flags & JME_FLAG_POLL) |
2894 | jme_polling_mode(jme); | |
2895 | ||
29bdd921 GFT |
2896 | jme_stop_pcc_timer(jme); |
2897 | jme_reset_mac_processor(jme); | |
2898 | jme_free_rx_resources(jme); | |
2899 | jme_free_tx_resources(jme); | |
2900 | netif_carrier_off(netdev); | |
2901 | jme->phylink = 0; | |
2902 | } | |
2903 | ||
29bdd921 GFT |
2904 | |
2905 | pci_save_state(pdev); | |
2906 | if(jme->reg_pmcs) { | |
42b1055e | 2907 | jme_set_100m_half(jme); |
47220951 GFT |
2908 | |
2909 | if(jme->reg_pmcs & (PMCS_LFEN | PMCS_LREN)) | |
2910 | jme_wait_link(jme); | |
2911 | ||
29bdd921 | 2912 | jwrite32(jme, JME_PMCS, jme->reg_pmcs); |
47220951 | 2913 | pci_enable_wake(pdev, PCI_D1, true); |
42b1055e GFT |
2914 | pci_enable_wake(pdev, PCI_D3hot, true); |
2915 | pci_enable_wake(pdev, PCI_D3cold, true); | |
29bdd921 GFT |
2916 | } |
2917 | else { | |
42b1055e | 2918 | jme_phy_off(jme); |
47220951 | 2919 | pci_enable_wake(pdev, PCI_D1, false); |
42b1055e GFT |
2920 | pci_enable_wake(pdev, PCI_D3hot, false); |
2921 | pci_enable_wake(pdev, PCI_D3cold, false); | |
29bdd921 GFT |
2922 | } |
2923 | pci_set_power_state(pdev, pci_choose_state(pdev, state)); | |
2924 | ||
2925 | return 0; | |
2926 | } | |
2927 | ||
2928 | static int | |
2929 | jme_resume(struct pci_dev *pdev) | |
2930 | { | |
2931 | struct net_device *netdev = pci_get_drvdata(pdev); | |
2932 | struct jme_adapter *jme = netdev_priv(netdev); | |
2933 | ||
2934 | jme_clear_pm(jme); | |
2935 | pci_restore_state(pdev); | |
2936 | ||
2937 | if(jme->flags & JME_FLAG_SSET) | |
2938 | jme_set_settings(netdev, &jme->old_ecmd); | |
2939 | else | |
2940 | jme_reset_phy_processor(jme); | |
2941 | ||
2942 | jme_reset_mac_processor(jme); | |
2943 | jme_enable_shadow(jme); | |
47220951 | 2944 | //jme_request_irq(jme); |
29bdd921 GFT |
2945 | jme_start_irq(jme); |
2946 | netif_device_attach(netdev); | |
2947 | ||
2948 | atomic_inc(&jme->link_changing); | |
2949 | ||
2950 | jme_reset_link(jme); | |
2951 | ||
2952 | return 0; | |
2953 | } | |
2954 | ||
d7699f87 | 2955 | static struct pci_device_id jme_pci_tbl[] = { |
8d27293f GFT |
2956 | { PCI_VDEVICE(JMICRON, JME_GE_DEVICE) }, |
2957 | { PCI_VDEVICE(JMICRON, JME_FE_DEVICE) }, | |
d7699f87 GFT |
2958 | { } |
2959 | }; | |
2960 | ||
2961 | static struct pci_driver jme_driver = { | |
2962 | .name = DRV_NAME, | |
2963 | .id_table = jme_pci_tbl, | |
2964 | .probe = jme_init_one, | |
2965 | .remove = __devexit_p(jme_remove_one), | |
d7699f87 GFT |
2966 | #ifdef CONFIG_PM |
2967 | .suspend = jme_suspend, | |
2968 | .resume = jme_resume, | |
2969 | #endif /* CONFIG_PM */ | |
d7699f87 GFT |
2970 | }; |
2971 | ||
3bf61c55 GFT |
2972 | static int __init |
2973 | jme_init_module(void) | |
d7699f87 | 2974 | { |
4330c2f2 GFT |
2975 | printk(KERN_INFO PFX "JMicron JMC250 gigabit ethernet " |
2976 | "driver version %s\n", DRV_VERSION); | |
d7699f87 GFT |
2977 | return pci_register_driver(&jme_driver); |
2978 | } | |
2979 | ||
3bf61c55 GFT |
2980 | static void __exit |
2981 | jme_cleanup_module(void) | |
d7699f87 GFT |
2982 | { |
2983 | pci_unregister_driver(&jme_driver); | |
2984 | } | |
2985 | ||
2986 | module_init(jme_init_module); | |
2987 | module_exit(jme_cleanup_module); | |
2988 | ||
3bf61c55 | 2989 | MODULE_AUTHOR("Guo-Fu Tseng <cooldavid@cooldavid.org>"); |
d7699f87 GFT |
2990 | MODULE_DESCRIPTION("JMicron JMC2x0 PCI Express Ethernet driver"); |
2991 | MODULE_LICENSE("GPL"); | |
2992 | MODULE_VERSION(DRV_VERSION); | |
2993 | MODULE_DEVICE_TABLE(pci, jme_pci_tbl); | |
2994 |