]>
Commit | Line | Data |
---|---|---|
d7699f87 GFT |
1 | /* |
2 | * JMicron JMC2x0 series PCIe Ethernet Linux Device Driver | |
3 | * | |
4 | * Copyright 2008 JMicron Technology Corporation | |
5 | * http://www.jmicron.com/ | |
d3d584f5 | 6 | * Copyright (c) 2009 - 2010 Guo-Fu Tseng <cooldavid@cooldavid.org> |
d7699f87 | 7 | * |
3bf61c55 GFT |
8 | * Author: Guo-Fu Tseng <cooldavid@cooldavid.org> |
9 | * | |
d7699f87 GFT |
10 | * This program is free software; you can redistribute it and/or modify |
11 | * it under the terms of the GNU General Public License as published by | |
12 | * the Free Software Foundation; either version 2 of the License. | |
13 | * | |
14 | * This program is distributed in the hope that it will be useful, | |
15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
17 | * GNU General Public License for more details. | |
18 | * | |
19 | * You should have received a copy of the GNU General Public License | |
20 | * along with this program; if not, write to the Free Software | |
21 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | |
22 | * | |
23 | */ | |
24 | ||
2e582300 | 25 | #include <linux/version.h> |
937ef75a JP |
26 | #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,28) |
27 | #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt | |
28 | #endif | |
29 | ||
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> |
38d1bc09 | 46 | #include <linux/slab.h> |
3b70a6fa | 47 | #include <net/ip6_checksum.h> |
d7699f87 GFT |
48 | #include "jme.h" |
49 | ||
cd0ff491 GFT |
50 | static int force_pseudohp = -1; |
51 | static int no_pseudohp = -1; | |
52 | static int no_extplug = -1; | |
53 | module_param(force_pseudohp, int, 0); | |
54 | MODULE_PARM_DESC(force_pseudohp, | |
55 | "Enable pseudo hot-plug feature manually by driver instead of BIOS."); | |
56 | module_param(no_pseudohp, int, 0); | |
57 | MODULE_PARM_DESC(no_pseudohp, "Disable pseudo hot-plug feature."); | |
58 | module_param(no_extplug, int, 0); | |
59 | MODULE_PARM_DESC(no_extplug, | |
60 | "Do not use external plug signal for pseudo hot-plug."); | |
4330c2f2 | 61 | |
3bf61c55 GFT |
62 | static int |
63 | jme_mdio_read(struct net_device *netdev, int phy, int reg) | |
d7699f87 GFT |
64 | { |
65 | struct jme_adapter *jme = netdev_priv(netdev); | |
cd0ff491 | 66 | int i, val, again = (reg == MII_BMSR) ? 1 : 0; |
d7699f87 | 67 | |
186fc259 | 68 | read_again: |
cd0ff491 | 69 | jwrite32(jme, JME_SMI, SMI_OP_REQ | |
3bf61c55 GFT |
70 | smi_phy_addr(phy) | |
71 | smi_reg_addr(reg)); | |
d7699f87 GFT |
72 | |
73 | wmb(); | |
cd0ff491 | 74 | for (i = JME_PHY_TIMEOUT * 50 ; i > 0 ; --i) { |
cdcdc9eb | 75 | udelay(20); |
b3821cc5 GFT |
76 | val = jread32(jme, JME_SMI); |
77 | if ((val & SMI_OP_REQ) == 0) | |
3bf61c55 | 78 | break; |
cd0ff491 | 79 | } |
d7699f87 | 80 | |
cd0ff491 | 81 | if (i == 0) { |
937ef75a | 82 | pr_err("phy(%d) read timeout : %d\n", phy, reg); |
3bf61c55 | 83 | return 0; |
cd0ff491 | 84 | } |
d7699f87 | 85 | |
cd0ff491 | 86 | if (again--) |
186fc259 GFT |
87 | goto read_again; |
88 | ||
cd0ff491 | 89 | return (val & SMI_DATA_MASK) >> SMI_DATA_SHIFT; |
d7699f87 GFT |
90 | } |
91 | ||
3bf61c55 GFT |
92 | static void |
93 | jme_mdio_write(struct net_device *netdev, | |
94 | int phy, int reg, int val) | |
d7699f87 GFT |
95 | { |
96 | struct jme_adapter *jme = netdev_priv(netdev); | |
97 | int i; | |
98 | ||
3bf61c55 GFT |
99 | jwrite32(jme, JME_SMI, SMI_OP_WRITE | SMI_OP_REQ | |
100 | ((val << SMI_DATA_SHIFT) & SMI_DATA_MASK) | | |
101 | smi_phy_addr(phy) | smi_reg_addr(reg)); | |
d7699f87 GFT |
102 | |
103 | wmb(); | |
cdcdc9eb GFT |
104 | for (i = JME_PHY_TIMEOUT * 50 ; i > 0 ; --i) { |
105 | udelay(20); | |
8d27293f | 106 | if ((jread32(jme, JME_SMI) & SMI_OP_REQ) == 0) |
3bf61c55 GFT |
107 | break; |
108 | } | |
d7699f87 | 109 | |
3bf61c55 | 110 | if (i == 0) |
937ef75a | 111 | pr_err("phy(%d) write timeout : %d\n", phy, reg); |
d7699f87 GFT |
112 | } |
113 | ||
cd0ff491 | 114 | static inline void |
3bf61c55 | 115 | jme_reset_phy_processor(struct jme_adapter *jme) |
d7699f87 | 116 | { |
cd0ff491 | 117 | u32 val; |
3bf61c55 GFT |
118 | |
119 | jme_mdio_write(jme->dev, | |
120 | jme->mii_if.phy_id, | |
8c198884 GFT |
121 | MII_ADVERTISE, ADVERTISE_ALL | |
122 | ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM); | |
3bf61c55 | 123 | |
cd0ff491 | 124 | if (jme->pdev->device == PCI_DEVICE_ID_JMICRON_JMC250) |
8d27293f GFT |
125 | jme_mdio_write(jme->dev, |
126 | jme->mii_if.phy_id, | |
127 | MII_CTRL1000, | |
128 | ADVERTISE_1000FULL | ADVERTISE_1000HALF); | |
3bf61c55 | 129 | |
fcf45b4c GFT |
130 | val = jme_mdio_read(jme->dev, |
131 | jme->mii_if.phy_id, | |
132 | MII_BMCR); | |
133 | ||
134 | jme_mdio_write(jme->dev, | |
135 | jme->mii_if.phy_id, | |
136 | MII_BMCR, val | BMCR_RESET); | |
3bf61c55 GFT |
137 | } |
138 | ||
b3821cc5 GFT |
139 | static void |
140 | jme_setup_wakeup_frame(struct jme_adapter *jme, | |
cd0ff491 | 141 | u32 *mask, u32 crc, int fnr) |
b3821cc5 GFT |
142 | { |
143 | int i; | |
144 | ||
145 | /* | |
146 | * Setup CRC pattern | |
147 | */ | |
148 | jwrite32(jme, JME_WFOI, WFOI_CRC_SEL | (fnr & WFOI_FRAME_SEL)); | |
149 | wmb(); | |
150 | jwrite32(jme, JME_WFODP, crc); | |
151 | wmb(); | |
152 | ||
153 | /* | |
154 | * Setup Mask | |
155 | */ | |
cd0ff491 | 156 | for (i = 0 ; i < WAKEUP_FRAME_MASK_DWNR ; ++i) { |
b3821cc5 GFT |
157 | jwrite32(jme, JME_WFOI, |
158 | ((i << WFOI_MASK_SHIFT) & WFOI_MASK_SEL) | | |
159 | (fnr & WFOI_FRAME_SEL)); | |
160 | wmb(); | |
161 | jwrite32(jme, JME_WFODP, mask[i]); | |
162 | wmb(); | |
163 | } | |
164 | } | |
3bf61c55 | 165 | |
cd0ff491 | 166 | static inline void |
3bf61c55 GFT |
167 | jme_reset_mac_processor(struct jme_adapter *jme) |
168 | { | |
cd0ff491 GFT |
169 | u32 mask[WAKEUP_FRAME_MASK_DWNR] = {0, 0, 0, 0}; |
170 | u32 crc = 0xCDCDCDCD; | |
171 | u32 gpreg0; | |
b3821cc5 GFT |
172 | int i; |
173 | ||
3bf61c55 | 174 | jwrite32(jme, JME_GHC, jme->reg_ghc | GHC_SWRST); |
d7699f87 | 175 | udelay(2); |
3bf61c55 | 176 | jwrite32(jme, JME_GHC, jme->reg_ghc); |
cd0ff491 GFT |
177 | |
178 | jwrite32(jme, JME_RXDBA_LO, 0x00000000); | |
179 | jwrite32(jme, JME_RXDBA_HI, 0x00000000); | |
180 | jwrite32(jme, JME_RXQDC, 0x00000000); | |
181 | jwrite32(jme, JME_RXNDA, 0x00000000); | |
182 | jwrite32(jme, JME_TXDBA_LO, 0x00000000); | |
183 | jwrite32(jme, JME_TXDBA_HI, 0x00000000); | |
184 | jwrite32(jme, JME_TXQDC, 0x00000000); | |
185 | jwrite32(jme, JME_TXNDA, 0x00000000); | |
186 | ||
4330c2f2 GFT |
187 | jwrite32(jme, JME_RXMCHT_LO, 0x00000000); |
188 | jwrite32(jme, JME_RXMCHT_HI, 0x00000000); | |
cd0ff491 | 189 | for (i = 0 ; i < WAKEUP_FRAME_NR ; ++i) |
b3821cc5 | 190 | jme_setup_wakeup_frame(jme, mask, crc, i); |
cd0ff491 | 191 | if (jme->fpgaver) |
cdcdc9eb GFT |
192 | gpreg0 = GPREG0_DEFAULT | GPREG0_LNKINTPOLL; |
193 | else | |
194 | gpreg0 = GPREG0_DEFAULT; | |
195 | jwrite32(jme, JME_GPREG0, gpreg0); | |
7ee473a3 | 196 | jwrite32(jme, JME_GPREG1, GPREG1_DEFAULT); |
d7699f87 GFT |
197 | } |
198 | ||
cd0ff491 GFT |
199 | static inline void |
200 | jme_reset_ghc_speed(struct jme_adapter *jme) | |
201 | { | |
202 | jme->reg_ghc &= ~(GHC_SPEED_1000M | GHC_DPX); | |
203 | jwrite32(jme, JME_GHC, jme->reg_ghc); | |
204 | } | |
205 | ||
206 | static inline void | |
3bf61c55 | 207 | jme_clear_pm(struct jme_adapter *jme) |
d7699f87 | 208 | { |
29bdd921 | 209 | jwrite32(jme, JME_PMCS, 0xFFFF0000 | jme->reg_pmcs); |
4330c2f2 | 210 | pci_set_power_state(jme->pdev, PCI_D0); |
42b1055e | 211 | pci_enable_wake(jme->pdev, PCI_D0, false); |
d7699f87 GFT |
212 | } |
213 | ||
3bf61c55 GFT |
214 | static int |
215 | jme_reload_eeprom(struct jme_adapter *jme) | |
d7699f87 | 216 | { |
cd0ff491 | 217 | u32 val; |
d7699f87 GFT |
218 | int i; |
219 | ||
220 | val = jread32(jme, JME_SMBCSR); | |
221 | ||
cd0ff491 | 222 | if (val & SMBCSR_EEPROMD) { |
d7699f87 GFT |
223 | val |= SMBCSR_CNACK; |
224 | jwrite32(jme, JME_SMBCSR, val); | |
225 | val |= SMBCSR_RELOAD; | |
226 | jwrite32(jme, JME_SMBCSR, val); | |
227 | mdelay(12); | |
228 | ||
cd0ff491 | 229 | for (i = JME_EEPROM_RELOAD_TIMEOUT; i > 0; --i) { |
d7699f87 GFT |
230 | mdelay(1); |
231 | if ((jread32(jme, JME_SMBCSR) & SMBCSR_RELOAD) == 0) | |
232 | break; | |
233 | } | |
234 | ||
cd0ff491 | 235 | if (i == 0) { |
937ef75a | 236 | pr_err("eeprom reload timeout\n"); |
d7699f87 GFT |
237 | return -EIO; |
238 | } | |
239 | } | |
3bf61c55 | 240 | |
d7699f87 GFT |
241 | return 0; |
242 | } | |
243 | ||
3bf61c55 GFT |
244 | static void |
245 | jme_load_macaddr(struct net_device *netdev) | |
d7699f87 GFT |
246 | { |
247 | struct jme_adapter *jme = netdev_priv(netdev); | |
248 | unsigned char macaddr[6]; | |
cd0ff491 | 249 | u32 val; |
d7699f87 | 250 | |
cd0ff491 | 251 | spin_lock_bh(&jme->macaddr_lock); |
4330c2f2 | 252 | val = jread32(jme, JME_RXUMA_LO); |
d7699f87 GFT |
253 | macaddr[0] = (val >> 0) & 0xFF; |
254 | macaddr[1] = (val >> 8) & 0xFF; | |
255 | macaddr[2] = (val >> 16) & 0xFF; | |
256 | macaddr[3] = (val >> 24) & 0xFF; | |
4330c2f2 | 257 | val = jread32(jme, JME_RXUMA_HI); |
d7699f87 GFT |
258 | macaddr[4] = (val >> 0) & 0xFF; |
259 | macaddr[5] = (val >> 8) & 0xFF; | |
cd0ff491 GFT |
260 | memcpy(netdev->dev_addr, macaddr, 6); |
261 | spin_unlock_bh(&jme->macaddr_lock); | |
3bf61c55 GFT |
262 | } |
263 | ||
cd0ff491 | 264 | static inline void |
3bf61c55 GFT |
265 | jme_set_rx_pcc(struct jme_adapter *jme, int p) |
266 | { | |
cd0ff491 | 267 | switch (p) { |
192570e0 GFT |
268 | case PCC_OFF: |
269 | jwrite32(jme, JME_PCCRX0, | |
270 | ((PCC_OFF_TO << PCCRXTO_SHIFT) & PCCRXTO_MASK) | | |
271 | ((PCC_OFF_CNT << PCCRX_SHIFT) & PCCRX_MASK)); | |
272 | break; | |
3bf61c55 GFT |
273 | case PCC_P1: |
274 | jwrite32(jme, JME_PCCRX0, | |
275 | ((PCC_P1_TO << PCCRXTO_SHIFT) & PCCRXTO_MASK) | | |
276 | ((PCC_P1_CNT << PCCRX_SHIFT) & PCCRX_MASK)); | |
277 | break; | |
278 | case PCC_P2: | |
279 | jwrite32(jme, JME_PCCRX0, | |
280 | ((PCC_P2_TO << PCCRXTO_SHIFT) & PCCRXTO_MASK) | | |
281 | ((PCC_P2_CNT << PCCRX_SHIFT) & PCCRX_MASK)); | |
282 | break; | |
283 | case PCC_P3: | |
284 | jwrite32(jme, JME_PCCRX0, | |
285 | ((PCC_P3_TO << PCCRXTO_SHIFT) & PCCRXTO_MASK) | | |
286 | ((PCC_P3_CNT << PCCRX_SHIFT) & PCCRX_MASK)); | |
287 | break; | |
288 | default: | |
289 | break; | |
290 | } | |
192570e0 | 291 | wmb(); |
3bf61c55 | 292 | |
cd0ff491 | 293 | if (!(test_bit(JME_FLAG_POLL, &jme->flags))) |
7ca9ebee | 294 | netif_info(jme, rx_status, jme->dev, "Switched to PCC_P%d\n", p); |
d7699f87 GFT |
295 | } |
296 | ||
fcf45b4c | 297 | static void |
3bf61c55 | 298 | jme_start_irq(struct jme_adapter *jme) |
d7699f87 | 299 | { |
3bf61c55 GFT |
300 | register struct dynpcc_info *dpi = &(jme->dpi); |
301 | ||
302 | jme_set_rx_pcc(jme, PCC_P1); | |
3bf61c55 GFT |
303 | dpi->cur = PCC_P1; |
304 | dpi->attempt = PCC_P1; | |
305 | dpi->cnt = 0; | |
306 | ||
307 | jwrite32(jme, JME_PCCTX, | |
8c198884 GFT |
308 | ((PCC_TX_TO << PCCTXTO_SHIFT) & PCCTXTO_MASK) | |
309 | ((PCC_TX_CNT << PCCTX_SHIFT) & PCCTX_MASK) | | |
3bf61c55 GFT |
310 | PCCTXQ0_EN |
311 | ); | |
312 | ||
d7699f87 GFT |
313 | /* |
314 | * Enable Interrupts | |
315 | */ | |
316 | jwrite32(jme, JME_IENS, INTR_ENABLE); | |
317 | } | |
318 | ||
cd0ff491 | 319 | static inline void |
3bf61c55 | 320 | jme_stop_irq(struct jme_adapter *jme) |
d7699f87 GFT |
321 | { |
322 | /* | |
323 | * Disable Interrupts | |
324 | */ | |
cd0ff491 | 325 | jwrite32f(jme, JME_IENC, INTR_ENABLE); |
d7699f87 GFT |
326 | } |
327 | ||
cd0ff491 | 328 | static u32 |
cdcdc9eb GFT |
329 | jme_linkstat_from_phy(struct jme_adapter *jme) |
330 | { | |
cd0ff491 | 331 | u32 phylink, bmsr; |
cdcdc9eb GFT |
332 | |
333 | phylink = jme_mdio_read(jme->dev, jme->mii_if.phy_id, 17); | |
334 | bmsr = jme_mdio_read(jme->dev, jme->mii_if.phy_id, MII_BMSR); | |
cd0ff491 | 335 | if (bmsr & BMSR_ANCOMP) |
cdcdc9eb GFT |
336 | phylink |= PHY_LINK_AUTONEG_COMPLETE; |
337 | ||
338 | return phylink; | |
339 | } | |
340 | ||
cd0ff491 | 341 | static inline void |
58c92f28 | 342 | jme_set_phyfifoa(struct jme_adapter *jme) |
cd0ff491 GFT |
343 | { |
344 | jme_mdio_write(jme->dev, jme->mii_if.phy_id, 27, 0x0004); | |
345 | } | |
346 | ||
347 | static inline void | |
58c92f28 | 348 | jme_set_phyfifob(struct jme_adapter *jme) |
cd0ff491 GFT |
349 | { |
350 | jme_mdio_write(jme->dev, jme->mii_if.phy_id, 27, 0x0000); | |
351 | } | |
352 | ||
fcf45b4c GFT |
353 | static int |
354 | jme_check_link(struct net_device *netdev, int testonly) | |
d7699f87 GFT |
355 | { |
356 | struct jme_adapter *jme = netdev_priv(netdev); | |
7ee473a3 | 357 | u32 phylink, ghc, cnt = JME_SPDRSV_TIMEOUT, bmcr, gpreg1; |
79ce639c | 358 | char linkmsg[64]; |
fcf45b4c | 359 | int rc = 0; |
d7699f87 | 360 | |
b3821cc5 | 361 | linkmsg[0] = '\0'; |
cdcdc9eb | 362 | |
cd0ff491 | 363 | if (jme->fpgaver) |
cdcdc9eb GFT |
364 | phylink = jme_linkstat_from_phy(jme); |
365 | else | |
366 | phylink = jread32(jme, JME_PHY_LINK); | |
d7699f87 | 367 | |
cd0ff491 GFT |
368 | if (phylink & PHY_LINK_UP) { |
369 | if (!(phylink & PHY_LINK_AUTONEG_COMPLETE)) { | |
8c198884 GFT |
370 | /* |
371 | * If we did not enable AN | |
372 | * Speed/Duplex Info should be obtained from SMI | |
373 | */ | |
374 | phylink = PHY_LINK_UP; | |
375 | ||
376 | bmcr = jme_mdio_read(jme->dev, | |
377 | jme->mii_if.phy_id, | |
378 | MII_BMCR); | |
379 | ||
380 | phylink |= ((bmcr & BMCR_SPEED1000) && | |
381 | (bmcr & BMCR_SPEED100) == 0) ? | |
382 | PHY_LINK_SPEED_1000M : | |
383 | (bmcr & BMCR_SPEED100) ? | |
384 | PHY_LINK_SPEED_100M : | |
385 | PHY_LINK_SPEED_10M; | |
386 | ||
387 | phylink |= (bmcr & BMCR_FULLDPLX) ? | |
388 | PHY_LINK_DUPLEX : 0; | |
79ce639c | 389 | |
b3821cc5 | 390 | strcat(linkmsg, "Forced: "); |
cd0ff491 | 391 | } else { |
8c198884 GFT |
392 | /* |
393 | * Keep polling for speed/duplex resolve complete | |
394 | */ | |
cd0ff491 | 395 | while (!(phylink & PHY_LINK_SPEEDDPU_RESOLVED) && |
8c198884 GFT |
396 | --cnt) { |
397 | ||
398 | udelay(1); | |
8c198884 | 399 | |
cd0ff491 | 400 | if (jme->fpgaver) |
cdcdc9eb GFT |
401 | phylink = jme_linkstat_from_phy(jme); |
402 | else | |
403 | phylink = jread32(jme, JME_PHY_LINK); | |
8c198884 | 404 | } |
cd0ff491 | 405 | if (!cnt) |
937ef75a | 406 | pr_err("Waiting speed resolve timeout\n"); |
79ce639c | 407 | |
b3821cc5 | 408 | strcat(linkmsg, "ANed: "); |
d7699f87 GFT |
409 | } |
410 | ||
cd0ff491 | 411 | if (jme->phylink == phylink) { |
fcf45b4c GFT |
412 | rc = 1; |
413 | goto out; | |
414 | } | |
cd0ff491 | 415 | if (testonly) |
fcf45b4c GFT |
416 | goto out; |
417 | ||
418 | jme->phylink = phylink; | |
419 | ||
3b70a6fa GFT |
420 | ghc = jme->reg_ghc & ~(GHC_SPEED | GHC_DPX | |
421 | GHC_TO_CLK_PCIE | GHC_TXMAC_CLK_PCIE | | |
422 | GHC_TO_CLK_GPHY | GHC_TXMAC_CLK_GPHY); | |
cd0ff491 GFT |
423 | switch (phylink & PHY_LINK_SPEED_MASK) { |
424 | case PHY_LINK_SPEED_10M: | |
3b70a6fa GFT |
425 | ghc |= GHC_SPEED_10M | |
426 | GHC_TO_CLK_PCIE | GHC_TXMAC_CLK_PCIE; | |
cd0ff491 | 427 | strcat(linkmsg, "10 Mbps, "); |
cd0ff491 GFT |
428 | break; |
429 | case PHY_LINK_SPEED_100M: | |
3b70a6fa GFT |
430 | ghc |= GHC_SPEED_100M | |
431 | GHC_TO_CLK_PCIE | GHC_TXMAC_CLK_PCIE; | |
cd0ff491 | 432 | strcat(linkmsg, "100 Mbps, "); |
cd0ff491 GFT |
433 | break; |
434 | case PHY_LINK_SPEED_1000M: | |
3b70a6fa GFT |
435 | ghc |= GHC_SPEED_1000M | |
436 | GHC_TO_CLK_GPHY | GHC_TXMAC_CLK_GPHY; | |
cd0ff491 | 437 | strcat(linkmsg, "1000 Mbps, "); |
cd0ff491 GFT |
438 | break; |
439 | default: | |
440 | break; | |
d7699f87 | 441 | } |
d7699f87 | 442 | |
cd0ff491 | 443 | if (phylink & PHY_LINK_DUPLEX) { |
d7699f87 | 444 | jwrite32(jme, JME_TXMCS, TXMCS_DEFAULT); |
7ee473a3 | 445 | ghc |= GHC_DPX; |
cd0ff491 | 446 | } else { |
d7699f87 | 447 | jwrite32(jme, JME_TXMCS, TXMCS_DEFAULT | |
3bf61c55 GFT |
448 | TXMCS_BACKOFF | |
449 | TXMCS_CARRIERSENSE | | |
450 | TXMCS_COLLISION); | |
8c198884 GFT |
451 | jwrite32(jme, JME_TXTRHD, TXTRHD_TXPEN | |
452 | ((0x2000 << TXTRHD_TXP_SHIFT) & TXTRHD_TXP) | | |
453 | TXTRHD_TXREN | | |
454 | ((8 << TXTRHD_TXRL_SHIFT) & TXTRHD_TXRL)); | |
455 | } | |
7ee473a3 GFT |
456 | |
457 | gpreg1 = GPREG1_DEFAULT; | |
458 | if (is_buggy250(jme->pdev->device, jme->chiprev)) { | |
459 | if (!(phylink & PHY_LINK_DUPLEX)) | |
460 | gpreg1 |= GPREG1_HALFMODEPATCH; | |
461 | switch (phylink & PHY_LINK_SPEED_MASK) { | |
462 | case PHY_LINK_SPEED_10M: | |
463 | jme_set_phyfifoa(jme); | |
464 | gpreg1 |= GPREG1_RSSPATCH; | |
465 | break; | |
466 | case PHY_LINK_SPEED_100M: | |
467 | jme_set_phyfifob(jme); | |
468 | gpreg1 |= GPREG1_RSSPATCH; | |
469 | break; | |
470 | case PHY_LINK_SPEED_1000M: | |
471 | jme_set_phyfifoa(jme); | |
472 | break; | |
473 | default: | |
474 | break; | |
475 | } | |
476 | } | |
d7699f87 | 477 | |
3b70a6fa | 478 | jwrite32(jme, JME_GPREG1, gpreg1); |
fcf45b4c | 479 | jwrite32(jme, JME_GHC, ghc); |
3b70a6fa | 480 | jme->reg_ghc = ghc; |
fcf45b4c | 481 | |
3b70a6fa GFT |
482 | strcat(linkmsg, (phylink & PHY_LINK_DUPLEX) ? |
483 | "Full-Duplex, " : | |
484 | "Half-Duplex, "); | |
485 | strcat(linkmsg, (phylink & PHY_LINK_MDI_STAT) ? | |
486 | "MDI-X" : | |
487 | "MDI"); | |
937ef75a | 488 | netif_info(jme, link, jme->dev, "Link is up at %s\n", linkmsg); |
cd0ff491 GFT |
489 | netif_carrier_on(netdev); |
490 | } else { | |
491 | if (testonly) | |
fcf45b4c GFT |
492 | goto out; |
493 | ||
937ef75a | 494 | netif_info(jme, link, jme->dev, "Link is down\n"); |
fcf45b4c | 495 | jme->phylink = 0; |
cd0ff491 | 496 | netif_carrier_off(netdev); |
d7699f87 | 497 | } |
fcf45b4c GFT |
498 | |
499 | out: | |
500 | return rc; | |
d7699f87 GFT |
501 | } |
502 | ||
3bf61c55 GFT |
503 | static int |
504 | jme_setup_tx_resources(struct jme_adapter *jme) | |
d7699f87 | 505 | { |
d7699f87 GFT |
506 | struct jme_ring *txring = &(jme->txring[0]); |
507 | ||
508 | txring->alloc = dma_alloc_coherent(&(jme->pdev->dev), | |
b3821cc5 GFT |
509 | TX_RING_ALLOC_SIZE(jme->tx_ring_size), |
510 | &(txring->dmaalloc), | |
511 | GFP_ATOMIC); | |
fcf45b4c | 512 | |
0ede469c GFT |
513 | if (!txring->alloc) |
514 | goto err_set_null; | |
d7699f87 GFT |
515 | |
516 | /* | |
517 | * 16 Bytes align | |
518 | */ | |
cd0ff491 | 519 | txring->desc = (void *)ALIGN((unsigned long)(txring->alloc), |
3bf61c55 | 520 | RING_DESC_ALIGN); |
4330c2f2 | 521 | txring->dma = ALIGN(txring->dmaalloc, RING_DESC_ALIGN); |
d7699f87 | 522 | txring->next_to_use = 0; |
cdcdc9eb | 523 | atomic_set(&txring->next_to_clean, 0); |
b3821cc5 | 524 | atomic_set(&txring->nr_free, jme->tx_ring_size); |
d7699f87 | 525 | |
0ede469c GFT |
526 | txring->bufinf = kmalloc(sizeof(struct jme_buffer_info) * |
527 | jme->tx_ring_size, GFP_ATOMIC); | |
528 | if (unlikely(!(txring->bufinf))) | |
529 | goto err_free_txring; | |
530 | ||
d7699f87 | 531 | /* |
b3821cc5 | 532 | * Initialize Transmit Descriptors |
d7699f87 | 533 | */ |
b3821cc5 | 534 | memset(txring->alloc, 0, TX_RING_ALLOC_SIZE(jme->tx_ring_size)); |
3bf61c55 | 535 | memset(txring->bufinf, 0, |
b3821cc5 | 536 | sizeof(struct jme_buffer_info) * jme->tx_ring_size); |
d7699f87 GFT |
537 | |
538 | return 0; | |
0ede469c GFT |
539 | |
540 | err_free_txring: | |
541 | dma_free_coherent(&(jme->pdev->dev), | |
542 | TX_RING_ALLOC_SIZE(jme->tx_ring_size), | |
543 | txring->alloc, | |
544 | txring->dmaalloc); | |
545 | ||
546 | err_set_null: | |
547 | txring->desc = NULL; | |
548 | txring->dmaalloc = 0; | |
549 | txring->dma = 0; | |
550 | txring->bufinf = NULL; | |
551 | ||
552 | return -ENOMEM; | |
d7699f87 GFT |
553 | } |
554 | ||
3bf61c55 GFT |
555 | static void |
556 | jme_free_tx_resources(struct jme_adapter *jme) | |
d7699f87 GFT |
557 | { |
558 | int i; | |
559 | struct jme_ring *txring = &(jme->txring[0]); | |
0ede469c | 560 | struct jme_buffer_info *txbi; |
d7699f87 | 561 | |
cd0ff491 | 562 | if (txring->alloc) { |
0ede469c GFT |
563 | if (txring->bufinf) { |
564 | for (i = 0 ; i < jme->tx_ring_size ; ++i) { | |
565 | txbi = txring->bufinf + i; | |
566 | if (txbi->skb) { | |
567 | dev_kfree_skb(txbi->skb); | |
568 | txbi->skb = NULL; | |
569 | } | |
570 | txbi->mapping = 0; | |
571 | txbi->len = 0; | |
572 | txbi->nr_desc = 0; | |
573 | txbi->start_xmit = 0; | |
d7699f87 | 574 | } |
0ede469c | 575 | kfree(txring->bufinf); |
d7699f87 GFT |
576 | } |
577 | ||
578 | dma_free_coherent(&(jme->pdev->dev), | |
b3821cc5 | 579 | TX_RING_ALLOC_SIZE(jme->tx_ring_size), |
d7699f87 GFT |
580 | txring->alloc, |
581 | txring->dmaalloc); | |
3bf61c55 GFT |
582 | |
583 | txring->alloc = NULL; | |
584 | txring->desc = NULL; | |
585 | txring->dmaalloc = 0; | |
586 | txring->dma = 0; | |
0ede469c | 587 | txring->bufinf = NULL; |
d7699f87 | 588 | } |
3bf61c55 | 589 | txring->next_to_use = 0; |
cdcdc9eb | 590 | atomic_set(&txring->next_to_clean, 0); |
79ce639c | 591 | atomic_set(&txring->nr_free, 0); |
d7699f87 GFT |
592 | } |
593 | ||
cd0ff491 | 594 | static inline void |
3bf61c55 | 595 | jme_enable_tx_engine(struct jme_adapter *jme) |
d7699f87 GFT |
596 | { |
597 | /* | |
598 | * Select Queue 0 | |
599 | */ | |
600 | jwrite32(jme, JME_TXCS, TXCS_DEFAULT | TXCS_SELECT_QUEUE0); | |
cd0ff491 | 601 | wmb(); |
d7699f87 GFT |
602 | |
603 | /* | |
604 | * Setup TX Queue 0 DMA Bass Address | |
605 | */ | |
fcf45b4c | 606 | jwrite32(jme, JME_TXDBA_LO, (__u64)jme->txring[0].dma & 0xFFFFFFFFUL); |
3bf61c55 | 607 | jwrite32(jme, JME_TXDBA_HI, (__u64)(jme->txring[0].dma) >> 32); |
fcf45b4c | 608 | jwrite32(jme, JME_TXNDA, (__u64)jme->txring[0].dma & 0xFFFFFFFFUL); |
d7699f87 GFT |
609 | |
610 | /* | |
611 | * Setup TX Descptor Count | |
612 | */ | |
b3821cc5 | 613 | jwrite32(jme, JME_TXQDC, jme->tx_ring_size); |
d7699f87 GFT |
614 | |
615 | /* | |
616 | * Enable TX Engine | |
617 | */ | |
618 | wmb(); | |
4330c2f2 GFT |
619 | jwrite32(jme, JME_TXCS, jme->reg_txcs | |
620 | TXCS_SELECT_QUEUE0 | | |
621 | TXCS_ENABLE); | |
d7699f87 GFT |
622 | |
623 | } | |
624 | ||
cd0ff491 | 625 | static inline void |
29bdd921 GFT |
626 | jme_restart_tx_engine(struct jme_adapter *jme) |
627 | { | |
628 | /* | |
629 | * Restart TX Engine | |
630 | */ | |
631 | jwrite32(jme, JME_TXCS, jme->reg_txcs | | |
632 | TXCS_SELECT_QUEUE0 | | |
633 | TXCS_ENABLE); | |
634 | } | |
635 | ||
cd0ff491 | 636 | static inline void |
3bf61c55 | 637 | jme_disable_tx_engine(struct jme_adapter *jme) |
d7699f87 GFT |
638 | { |
639 | int i; | |
cd0ff491 | 640 | u32 val; |
d7699f87 GFT |
641 | |
642 | /* | |
643 | * Disable TX Engine | |
644 | */ | |
fcf45b4c | 645 | jwrite32(jme, JME_TXCS, jme->reg_txcs | TXCS_SELECT_QUEUE0); |
cd0ff491 | 646 | wmb(); |
d7699f87 GFT |
647 | |
648 | val = jread32(jme, JME_TXCS); | |
cd0ff491 | 649 | for (i = JME_TX_DISABLE_TIMEOUT ; (val & TXCS_ENABLE) && i > 0 ; --i) { |
fcf45b4c | 650 | mdelay(1); |
d7699f87 | 651 | val = jread32(jme, JME_TXCS); |
cd0ff491 | 652 | rmb(); |
d7699f87 GFT |
653 | } |
654 | ||
cd0ff491 | 655 | if (!i) |
937ef75a | 656 | pr_err("Disable TX engine timeout\n"); |
d7699f87 GFT |
657 | } |
658 | ||
3bf61c55 GFT |
659 | static void |
660 | jme_set_clean_rxdesc(struct jme_adapter *jme, int i) | |
d7699f87 | 661 | { |
0ede469c | 662 | struct jme_ring *rxring = &(jme->rxring[0]); |
cd0ff491 | 663 | register struct rxdesc *rxdesc = rxring->desc; |
4330c2f2 GFT |
664 | struct jme_buffer_info *rxbi = rxring->bufinf; |
665 | rxdesc += i; | |
666 | rxbi += i; | |
667 | ||
668 | rxdesc->dw[0] = 0; | |
669 | rxdesc->dw[1] = 0; | |
3bf61c55 | 670 | rxdesc->desc1.bufaddrh = cpu_to_le32((__u64)rxbi->mapping >> 32); |
fcf45b4c GFT |
671 | rxdesc->desc1.bufaddrl = cpu_to_le32( |
672 | (__u64)rxbi->mapping & 0xFFFFFFFFUL); | |
3bf61c55 | 673 | rxdesc->desc1.datalen = cpu_to_le16(rxbi->len); |
cd0ff491 | 674 | if (jme->dev->features & NETIF_F_HIGHDMA) |
3bf61c55 | 675 | rxdesc->desc1.flags = RXFLAG_64BIT; |
d7699f87 | 676 | wmb(); |
3bf61c55 | 677 | rxdesc->desc1.flags |= RXFLAG_OWN | RXFLAG_INT; |
d7699f87 GFT |
678 | } |
679 | ||
3bf61c55 GFT |
680 | static int |
681 | jme_make_new_rx_buf(struct jme_adapter *jme, int i) | |
4330c2f2 GFT |
682 | { |
683 | struct jme_ring *rxring = &(jme->rxring[0]); | |
b3821cc5 | 684 | struct jme_buffer_info *rxbi = rxring->bufinf + i; |
cd0ff491 | 685 | struct sk_buff *skb; |
4330c2f2 | 686 | |
79ce639c GFT |
687 | skb = netdev_alloc_skb(jme->dev, |
688 | jme->dev->mtu + RX_EXTRA_LEN); | |
cd0ff491 | 689 | if (unlikely(!skb)) |
4330c2f2 | 690 | return -ENOMEM; |
3b70a6fa GFT |
691 | #if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19) |
692 | skb->dev = jme->dev; | |
693 | #endif | |
3bf61c55 | 694 | |
4330c2f2 | 695 | rxbi->skb = skb; |
3bf61c55 | 696 | rxbi->len = skb_tailroom(skb); |
b3821cc5 GFT |
697 | rxbi->mapping = pci_map_page(jme->pdev, |
698 | virt_to_page(skb->data), | |
699 | offset_in_page(skb->data), | |
700 | rxbi->len, | |
701 | PCI_DMA_FROMDEVICE); | |
4330c2f2 GFT |
702 | |
703 | return 0; | |
704 | } | |
705 | ||
3bf61c55 GFT |
706 | static void |
707 | jme_free_rx_buf(struct jme_adapter *jme, int i) | |
4330c2f2 GFT |
708 | { |
709 | struct jme_ring *rxring = &(jme->rxring[0]); | |
710 | struct jme_buffer_info *rxbi = rxring->bufinf; | |
711 | rxbi += i; | |
712 | ||
cd0ff491 | 713 | if (rxbi->skb) { |
b3821cc5 | 714 | pci_unmap_page(jme->pdev, |
4330c2f2 | 715 | rxbi->mapping, |
3bf61c55 | 716 | rxbi->len, |
4330c2f2 GFT |
717 | PCI_DMA_FROMDEVICE); |
718 | dev_kfree_skb(rxbi->skb); | |
719 | rxbi->skb = NULL; | |
720 | rxbi->mapping = 0; | |
3bf61c55 | 721 | rxbi->len = 0; |
4330c2f2 GFT |
722 | } |
723 | } | |
724 | ||
3bf61c55 GFT |
725 | static void |
726 | jme_free_rx_resources(struct jme_adapter *jme) | |
727 | { | |
728 | int i; | |
729 | struct jme_ring *rxring = &(jme->rxring[0]); | |
730 | ||
cd0ff491 | 731 | if (rxring->alloc) { |
0ede469c GFT |
732 | if (rxring->bufinf) { |
733 | for (i = 0 ; i < jme->rx_ring_size ; ++i) | |
734 | jme_free_rx_buf(jme, i); | |
735 | kfree(rxring->bufinf); | |
736 | } | |
3bf61c55 GFT |
737 | |
738 | dma_free_coherent(&(jme->pdev->dev), | |
b3821cc5 | 739 | RX_RING_ALLOC_SIZE(jme->rx_ring_size), |
3bf61c55 GFT |
740 | rxring->alloc, |
741 | rxring->dmaalloc); | |
742 | rxring->alloc = NULL; | |
743 | rxring->desc = NULL; | |
744 | rxring->dmaalloc = 0; | |
745 | rxring->dma = 0; | |
0ede469c | 746 | rxring->bufinf = NULL; |
3bf61c55 GFT |
747 | } |
748 | rxring->next_to_use = 0; | |
cdcdc9eb | 749 | atomic_set(&rxring->next_to_clean, 0); |
3bf61c55 GFT |
750 | } |
751 | ||
752 | static int | |
753 | jme_setup_rx_resources(struct jme_adapter *jme) | |
d7699f87 GFT |
754 | { |
755 | int i; | |
756 | struct jme_ring *rxring = &(jme->rxring[0]); | |
757 | ||
758 | rxring->alloc = dma_alloc_coherent(&(jme->pdev->dev), | |
b3821cc5 GFT |
759 | RX_RING_ALLOC_SIZE(jme->rx_ring_size), |
760 | &(rxring->dmaalloc), | |
761 | GFP_ATOMIC); | |
0ede469c GFT |
762 | if (!rxring->alloc) |
763 | goto err_set_null; | |
d7699f87 GFT |
764 | |
765 | /* | |
766 | * 16 Bytes align | |
767 | */ | |
cd0ff491 | 768 | rxring->desc = (void *)ALIGN((unsigned long)(rxring->alloc), |
3bf61c55 | 769 | RING_DESC_ALIGN); |
4330c2f2 | 770 | rxring->dma = ALIGN(rxring->dmaalloc, RING_DESC_ALIGN); |
d7699f87 | 771 | rxring->next_to_use = 0; |
cdcdc9eb | 772 | atomic_set(&rxring->next_to_clean, 0); |
d7699f87 | 773 | |
0ede469c GFT |
774 | rxring->bufinf = kmalloc(sizeof(struct jme_buffer_info) * |
775 | jme->rx_ring_size, GFP_ATOMIC); | |
776 | if (unlikely(!(rxring->bufinf))) | |
777 | goto err_free_rxring; | |
778 | ||
d7699f87 GFT |
779 | /* |
780 | * Initiallize Receive Descriptors | |
781 | */ | |
0ede469c GFT |
782 | memset(rxring->bufinf, 0, |
783 | sizeof(struct jme_buffer_info) * jme->rx_ring_size); | |
cd0ff491 GFT |
784 | for (i = 0 ; i < jme->rx_ring_size ; ++i) { |
785 | if (unlikely(jme_make_new_rx_buf(jme, i))) { | |
3bf61c55 GFT |
786 | jme_free_rx_resources(jme); |
787 | return -ENOMEM; | |
788 | } | |
d7699f87 GFT |
789 | |
790 | jme_set_clean_rxdesc(jme, i); | |
791 | } | |
792 | ||
d7699f87 | 793 | return 0; |
0ede469c GFT |
794 | |
795 | err_free_rxring: | |
796 | dma_free_coherent(&(jme->pdev->dev), | |
797 | RX_RING_ALLOC_SIZE(jme->rx_ring_size), | |
798 | rxring->alloc, | |
799 | rxring->dmaalloc); | |
800 | err_set_null: | |
801 | rxring->desc = NULL; | |
802 | rxring->dmaalloc = 0; | |
803 | rxring->dma = 0; | |
804 | rxring->bufinf = NULL; | |
805 | ||
806 | return -ENOMEM; | |
d7699f87 GFT |
807 | } |
808 | ||
cd0ff491 | 809 | static inline void |
3bf61c55 | 810 | jme_enable_rx_engine(struct jme_adapter *jme) |
d7699f87 | 811 | { |
cd0ff491 GFT |
812 | /* |
813 | * Select Queue 0 | |
814 | */ | |
815 | jwrite32(jme, JME_RXCS, jme->reg_rxcs | | |
816 | RXCS_QUEUESEL_Q0); | |
817 | wmb(); | |
818 | ||
d7699f87 GFT |
819 | /* |
820 | * Setup RX DMA Bass Address | |
821 | */ | |
0ede469c | 822 | jwrite32(jme, JME_RXDBA_LO, (__u64)(jme->rxring[0].dma) & 0xFFFFFFFFUL); |
3bf61c55 | 823 | jwrite32(jme, JME_RXDBA_HI, (__u64)(jme->rxring[0].dma) >> 32); |
0ede469c | 824 | jwrite32(jme, JME_RXNDA, (__u64)(jme->rxring[0].dma) & 0xFFFFFFFFUL); |
d7699f87 GFT |
825 | |
826 | /* | |
b3821cc5 | 827 | * Setup RX Descriptor Count |
d7699f87 | 828 | */ |
b3821cc5 | 829 | jwrite32(jme, JME_RXQDC, jme->rx_ring_size); |
d7699f87 | 830 | |
3bf61c55 | 831 | /* |
d7699f87 GFT |
832 | * Setup Unicast Filter |
833 | */ | |
834 | jme_set_multi(jme->dev); | |
835 | ||
836 | /* | |
837 | * Enable RX Engine | |
838 | */ | |
839 | wmb(); | |
79ce639c | 840 | jwrite32(jme, JME_RXCS, jme->reg_rxcs | |
4330c2f2 GFT |
841 | RXCS_QUEUESEL_Q0 | |
842 | RXCS_ENABLE | | |
843 | RXCS_QST); | |
d7699f87 GFT |
844 | } |
845 | ||
cd0ff491 | 846 | static inline void |
3bf61c55 | 847 | jme_restart_rx_engine(struct jme_adapter *jme) |
4330c2f2 GFT |
848 | { |
849 | /* | |
3bf61c55 | 850 | * Start RX Engine |
4330c2f2 | 851 | */ |
79ce639c | 852 | jwrite32(jme, JME_RXCS, jme->reg_rxcs | |
4330c2f2 GFT |
853 | RXCS_QUEUESEL_Q0 | |
854 | RXCS_ENABLE | | |
855 | RXCS_QST); | |
856 | } | |
857 | ||
cd0ff491 | 858 | static inline void |
3bf61c55 | 859 | jme_disable_rx_engine(struct jme_adapter *jme) |
d7699f87 GFT |
860 | { |
861 | int i; | |
cd0ff491 | 862 | u32 val; |
d7699f87 GFT |
863 | |
864 | /* | |
865 | * Disable RX Engine | |
866 | */ | |
29bdd921 | 867 | jwrite32(jme, JME_RXCS, jme->reg_rxcs); |
cd0ff491 | 868 | wmb(); |
d7699f87 GFT |
869 | |
870 | val = jread32(jme, JME_RXCS); | |
cd0ff491 | 871 | for (i = JME_RX_DISABLE_TIMEOUT ; (val & RXCS_ENABLE) && i > 0 ; --i) { |
29bdd921 | 872 | mdelay(1); |
d7699f87 | 873 | val = jread32(jme, JME_RXCS); |
cd0ff491 | 874 | rmb(); |
d7699f87 GFT |
875 | } |
876 | ||
cd0ff491 | 877 | if (!i) |
937ef75a | 878 | pr_err("Disable RX engine timeout\n"); |
d7699f87 GFT |
879 | |
880 | } | |
881 | ||
192570e0 | 882 | static int |
cd0ff491 | 883 | jme_rxsum_ok(struct jme_adapter *jme, u16 flags) |
192570e0 | 884 | { |
cd0ff491 | 885 | if (!(flags & (RXWBFLAG_TCPON | RXWBFLAG_UDPON | RXWBFLAG_IPV4))) |
192570e0 GFT |
886 | return false; |
887 | ||
0ede469c GFT |
888 | if (unlikely((flags & (RXWBFLAG_MF | RXWBFLAG_TCPON | RXWBFLAG_TCPCS)) |
889 | == RXWBFLAG_TCPON)) { | |
890 | if (flags & RXWBFLAG_IPV4) | |
7ca9ebee | 891 | netif_err(jme, rx_err, jme->dev, "TCP Checksum error\n"); |
0ede469c | 892 | return false; |
192570e0 GFT |
893 | } |
894 | ||
0ede469c GFT |
895 | if (unlikely((flags & (RXWBFLAG_MF | RXWBFLAG_UDPON | RXWBFLAG_UDPCS)) |
896 | == RXWBFLAG_UDPON)) { | |
897 | if (flags & RXWBFLAG_IPV4) | |
937ef75a | 898 | netif_err(jme, rx_err, jme->dev, "UDP Checksum error\n"); |
0ede469c | 899 | return false; |
192570e0 GFT |
900 | } |
901 | ||
0ede469c GFT |
902 | if (unlikely((flags & (RXWBFLAG_IPV4 | RXWBFLAG_IPCS)) |
903 | == RXWBFLAG_IPV4)) { | |
937ef75a | 904 | netif_err(jme, rx_err, jme->dev, "IPv4 Checksum error\n"); |
0ede469c | 905 | return false; |
192570e0 GFT |
906 | } |
907 | ||
908 | return true; | |
909 | } | |
910 | ||
3bf61c55 | 911 | static void |
42b1055e | 912 | jme_alloc_and_feed_skb(struct jme_adapter *jme, int idx) |
d7699f87 | 913 | { |
d7699f87 | 914 | struct jme_ring *rxring = &(jme->rxring[0]); |
cd0ff491 | 915 | struct rxdesc *rxdesc = rxring->desc; |
3bf61c55 | 916 | struct jme_buffer_info *rxbi = rxring->bufinf; |
d7699f87 | 917 | struct sk_buff *skb; |
3bf61c55 | 918 | int framesize; |
d7699f87 | 919 | |
3bf61c55 GFT |
920 | rxdesc += idx; |
921 | rxbi += idx; | |
d7699f87 | 922 | |
3bf61c55 GFT |
923 | skb = rxbi->skb; |
924 | pci_dma_sync_single_for_cpu(jme->pdev, | |
925 | rxbi->mapping, | |
926 | rxbi->len, | |
927 | PCI_DMA_FROMDEVICE); | |
928 | ||
cd0ff491 | 929 | if (unlikely(jme_make_new_rx_buf(jme, idx))) { |
3bf61c55 GFT |
930 | pci_dma_sync_single_for_device(jme->pdev, |
931 | rxbi->mapping, | |
932 | rxbi->len, | |
933 | PCI_DMA_FROMDEVICE); | |
934 | ||
935 | ++(NET_STAT(jme).rx_dropped); | |
cd0ff491 | 936 | } else { |
3bf61c55 GFT |
937 | framesize = le16_to_cpu(rxdesc->descwb.framesize) |
938 | - RX_PREPAD_SIZE; | |
939 | ||
940 | skb_reserve(skb, RX_PREPAD_SIZE); | |
941 | skb_put(skb, framesize); | |
942 | skb->protocol = eth_type_trans(skb, jme->dev); | |
943 | ||
3b70a6fa | 944 | if (jme_rxsum_ok(jme, le16_to_cpu(rxdesc->descwb.flags))) |
8c198884 | 945 | skb->ip_summed = CHECKSUM_UNNECESSARY; |
29bdd921 | 946 | else |
08f5fcfa | 947 | #if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,35) |
29bdd921 | 948 | skb->ip_summed = CHECKSUM_NONE; |
08f5fcfa ED |
949 | #else |
950 | skb_checksum_none_assert(skb); | |
951 | #endif | |
8c198884 | 952 | |
3b70a6fa | 953 | if (rxdesc->descwb.flags & cpu_to_le16(RXWBFLAG_TAGON)) { |
cd0ff491 | 954 | if (jme->vlgrp) { |
cdcdc9eb | 955 | jme->jme_vlan_rx(skb, jme->vlgrp, |
3b70a6fa | 956 | le16_to_cpu(rxdesc->descwb.vlan)); |
b3821cc5 | 957 | NET_STAT(jme).rx_bytes += 4; |
7ca9ebee | 958 | } else { |
7ca9ebee | 959 | dev_kfree_skb(skb); |
b3821cc5 | 960 | } |
cd0ff491 | 961 | } else { |
cdcdc9eb | 962 | jme->jme_rx(skb); |
b3821cc5 | 963 | } |
3bf61c55 | 964 | |
3b70a6fa GFT |
965 | if ((rxdesc->descwb.flags & cpu_to_le16(RXWBFLAG_DEST)) == |
966 | cpu_to_le16(RXWBFLAG_DEST_MUL)) | |
3bf61c55 GFT |
967 | ++(NET_STAT(jme).multicast); |
968 | ||
3bf61c55 GFT |
969 | NET_STAT(jme).rx_bytes += framesize; |
970 | ++(NET_STAT(jme).rx_packets); | |
971 | } | |
972 | ||
973 | jme_set_clean_rxdesc(jme, idx); | |
974 | ||
975 | } | |
976 | ||
977 | static int | |
978 | jme_process_receive(struct jme_adapter *jme, int limit) | |
979 | { | |
980 | struct jme_ring *rxring = &(jme->rxring[0]); | |
cd0ff491 | 981 | struct rxdesc *rxdesc = rxring->desc; |
b3821cc5 | 982 | int i, j, ccnt, desccnt, mask = jme->rx_ring_mask; |
3bf61c55 | 983 | |
cd0ff491 | 984 | if (unlikely(!atomic_dec_and_test(&jme->rx_cleaning))) |
192570e0 GFT |
985 | goto out_inc; |
986 | ||
cd0ff491 | 987 | if (unlikely(atomic_read(&jme->link_changing) != 1)) |
192570e0 GFT |
988 | goto out_inc; |
989 | ||
cd0ff491 | 990 | if (unlikely(!netif_carrier_ok(jme->dev))) |
192570e0 GFT |
991 | goto out_inc; |
992 | ||
cdcdc9eb | 993 | i = atomic_read(&rxring->next_to_clean); |
0ede469c | 994 | while (limit > 0) { |
3bf61c55 GFT |
995 | rxdesc = rxring->desc; |
996 | rxdesc += i; | |
997 | ||
3b70a6fa | 998 | if ((rxdesc->descwb.flags & cpu_to_le16(RXWBFLAG_OWN)) || |
3bf61c55 GFT |
999 | !(rxdesc->descwb.desccnt & RXWBDCNT_WBCPL)) |
1000 | goto out; | |
0ede469c | 1001 | --limit; |
d7699f87 | 1002 | |
9134abda | 1003 | rmb(); |
4330c2f2 GFT |
1004 | desccnt = rxdesc->descwb.desccnt & RXWBDCNT_DCNT; |
1005 | ||
cd0ff491 | 1006 | if (unlikely(desccnt > 1 || |
192570e0 | 1007 | rxdesc->descwb.errstat & RXWBERR_ALLERR)) { |
d7699f87 | 1008 | |
cd0ff491 | 1009 | if (rxdesc->descwb.errstat & RXWBERR_CRCERR) |
3bf61c55 | 1010 | ++(NET_STAT(jme).rx_crc_errors); |
cd0ff491 | 1011 | else if (rxdesc->descwb.errstat & RXWBERR_OVERUN) |
3bf61c55 GFT |
1012 | ++(NET_STAT(jme).rx_fifo_errors); |
1013 | else | |
1014 | ++(NET_STAT(jme).rx_errors); | |
4330c2f2 | 1015 | |
cd0ff491 | 1016 | if (desccnt > 1) |
3bf61c55 | 1017 | limit -= desccnt - 1; |
4330c2f2 | 1018 | |
cd0ff491 | 1019 | for (j = i, ccnt = desccnt ; ccnt-- ; ) { |
4330c2f2 | 1020 | jme_set_clean_rxdesc(jme, j); |
b3821cc5 | 1021 | j = (j + 1) & (mask); |
4330c2f2 | 1022 | } |
3bf61c55 | 1023 | |
cd0ff491 | 1024 | } else { |
42b1055e | 1025 | jme_alloc_and_feed_skb(jme, i); |
3bf61c55 | 1026 | } |
4330c2f2 | 1027 | |
b3821cc5 | 1028 | i = (i + desccnt) & (mask); |
3bf61c55 | 1029 | } |
4330c2f2 | 1030 | |
3bf61c55 | 1031 | out: |
cdcdc9eb | 1032 | atomic_set(&rxring->next_to_clean, i); |
4330c2f2 | 1033 | |
192570e0 GFT |
1034 | out_inc: |
1035 | atomic_inc(&jme->rx_cleaning); | |
1036 | ||
3bf61c55 | 1037 | return limit > 0 ? limit : 0; |
4330c2f2 | 1038 | |
3bf61c55 | 1039 | } |
d7699f87 | 1040 | |
79ce639c GFT |
1041 | static void |
1042 | jme_attempt_pcc(struct dynpcc_info *dpi, int atmp) | |
1043 | { | |
cd0ff491 | 1044 | if (likely(atmp == dpi->cur)) { |
192570e0 | 1045 | dpi->cnt = 0; |
79ce639c | 1046 | return; |
192570e0 | 1047 | } |
79ce639c | 1048 | |
cd0ff491 | 1049 | if (dpi->attempt == atmp) { |
79ce639c | 1050 | ++(dpi->cnt); |
cd0ff491 | 1051 | } else { |
79ce639c GFT |
1052 | dpi->attempt = atmp; |
1053 | dpi->cnt = 0; | |
1054 | } | |
1055 | ||
1056 | } | |
1057 | ||
1058 | static void | |
1059 | jme_dynamic_pcc(struct jme_adapter *jme) | |
1060 | { | |
1061 | register struct dynpcc_info *dpi = &(jme->dpi); | |
1062 | ||
cd0ff491 | 1063 | if ((NET_STAT(jme).rx_bytes - dpi->last_bytes) > PCC_P3_THRESHOLD) |
79ce639c | 1064 | jme_attempt_pcc(dpi, PCC_P3); |
7ca9ebee GFT |
1065 | else if ((NET_STAT(jme).rx_packets - dpi->last_pkts) > PCC_P2_THRESHOLD || |
1066 | dpi->intr_cnt > PCC_INTR_THRESHOLD) | |
79ce639c GFT |
1067 | jme_attempt_pcc(dpi, PCC_P2); |
1068 | else | |
1069 | jme_attempt_pcc(dpi, PCC_P1); | |
1070 | ||
cd0ff491 GFT |
1071 | if (unlikely(dpi->attempt != dpi->cur && dpi->cnt > 5)) { |
1072 | if (dpi->attempt < dpi->cur) | |
1073 | tasklet_schedule(&jme->rxclean_task); | |
79ce639c GFT |
1074 | jme_set_rx_pcc(jme, dpi->attempt); |
1075 | dpi->cur = dpi->attempt; | |
1076 | dpi->cnt = 0; | |
1077 | } | |
1078 | } | |
1079 | ||
1080 | static void | |
1081 | jme_start_pcc_timer(struct jme_adapter *jme) | |
1082 | { | |
1083 | struct dynpcc_info *dpi = &(jme->dpi); | |
1084 | dpi->last_bytes = NET_STAT(jme).rx_bytes; | |
1085 | dpi->last_pkts = NET_STAT(jme).rx_packets; | |
1086 | dpi->intr_cnt = 0; | |
1087 | jwrite32(jme, JME_TMCSR, | |
1088 | TMCSR_EN | ((0xFFFFFF - PCC_INTERVAL_US) & TMCSR_CNT)); | |
1089 | } | |
1090 | ||
cd0ff491 | 1091 | static inline void |
29bdd921 GFT |
1092 | jme_stop_pcc_timer(struct jme_adapter *jme) |
1093 | { | |
1094 | jwrite32(jme, JME_TMCSR, 0); | |
1095 | } | |
1096 | ||
cd0ff491 GFT |
1097 | static void |
1098 | jme_shutdown_nic(struct jme_adapter *jme) | |
1099 | { | |
1100 | u32 phylink; | |
1101 | ||
1102 | phylink = jme_linkstat_from_phy(jme); | |
1103 | ||
1104 | if (!(phylink & PHY_LINK_UP)) { | |
1105 | /* | |
1106 | * Disable all interrupt before issue timer | |
1107 | */ | |
1108 | jme_stop_irq(jme); | |
1109 | jwrite32(jme, JME_TIMER2, TMCSR_EN | 0xFFFFFE); | |
1110 | } | |
1111 | } | |
1112 | ||
79ce639c GFT |
1113 | static void |
1114 | jme_pcc_tasklet(unsigned long arg) | |
1115 | { | |
cd0ff491 | 1116 | struct jme_adapter *jme = (struct jme_adapter *)arg; |
79ce639c GFT |
1117 | struct net_device *netdev = jme->dev; |
1118 | ||
cd0ff491 GFT |
1119 | if (unlikely(test_bit(JME_FLAG_SHUTDOWN, &jme->flags))) { |
1120 | jme_shutdown_nic(jme); | |
1121 | return; | |
1122 | } | |
29bdd921 | 1123 | |
cd0ff491 | 1124 | if (unlikely(!netif_carrier_ok(netdev) || |
29bdd921 GFT |
1125 | (atomic_read(&jme->link_changing) != 1) |
1126 | )) { | |
1127 | jme_stop_pcc_timer(jme); | |
79ce639c GFT |
1128 | return; |
1129 | } | |
29bdd921 | 1130 | |
cd0ff491 | 1131 | if (!(test_bit(JME_FLAG_POLL, &jme->flags))) |
192570e0 GFT |
1132 | jme_dynamic_pcc(jme); |
1133 | ||
79ce639c GFT |
1134 | jme_start_pcc_timer(jme); |
1135 | } | |
1136 | ||
cd0ff491 | 1137 | static inline void |
192570e0 GFT |
1138 | jme_polling_mode(struct jme_adapter *jme) |
1139 | { | |
1140 | jme_set_rx_pcc(jme, PCC_OFF); | |
1141 | } | |
1142 | ||
cd0ff491 | 1143 | static inline void |
192570e0 GFT |
1144 | jme_interrupt_mode(struct jme_adapter *jme) |
1145 | { | |
1146 | jme_set_rx_pcc(jme, PCC_P1); | |
1147 | } | |
1148 | ||
cd0ff491 GFT |
1149 | static inline int |
1150 | jme_pseudo_hotplug_enabled(struct jme_adapter *jme) | |
1151 | { | |
1152 | u32 apmc; | |
1153 | apmc = jread32(jme, JME_APMC); | |
1154 | return apmc & JME_APMC_PSEUDO_HP_EN; | |
1155 | } | |
1156 | ||
1157 | static void | |
1158 | jme_start_shutdown_timer(struct jme_adapter *jme) | |
1159 | { | |
1160 | u32 apmc; | |
1161 | ||
1162 | apmc = jread32(jme, JME_APMC) | JME_APMC_PCIE_SD_EN; | |
1163 | apmc &= ~JME_APMC_EPIEN_CTRL; | |
1164 | if (!no_extplug) { | |
1165 | jwrite32f(jme, JME_APMC, apmc | JME_APMC_EPIEN_CTRL_EN); | |
1166 | wmb(); | |
1167 | } | |
1168 | jwrite32f(jme, JME_APMC, apmc); | |
1169 | ||
1170 | jwrite32f(jme, JME_TIMER2, 0); | |
1171 | set_bit(JME_FLAG_SHUTDOWN, &jme->flags); | |
1172 | jwrite32(jme, JME_TMCSR, | |
1173 | TMCSR_EN | ((0xFFFFFF - APMC_PHP_SHUTDOWN_DELAY) & TMCSR_CNT)); | |
1174 | } | |
1175 | ||
1176 | static void | |
1177 | jme_stop_shutdown_timer(struct jme_adapter *jme) | |
1178 | { | |
1179 | u32 apmc; | |
1180 | ||
1181 | jwrite32f(jme, JME_TMCSR, 0); | |
1182 | jwrite32f(jme, JME_TIMER2, 0); | |
1183 | clear_bit(JME_FLAG_SHUTDOWN, &jme->flags); | |
1184 | ||
1185 | apmc = jread32(jme, JME_APMC); | |
1186 | apmc &= ~(JME_APMC_PCIE_SD_EN | JME_APMC_EPIEN_CTRL); | |
1187 | jwrite32f(jme, JME_APMC, apmc | JME_APMC_EPIEN_CTRL_DIS); | |
1188 | wmb(); | |
1189 | jwrite32f(jme, JME_APMC, apmc); | |
1190 | } | |
1191 | ||
3bf61c55 GFT |
1192 | static void |
1193 | jme_link_change_tasklet(unsigned long arg) | |
1194 | { | |
cd0ff491 | 1195 | struct jme_adapter *jme = (struct jme_adapter *)arg; |
fcf45b4c | 1196 | struct net_device *netdev = jme->dev; |
fcf45b4c GFT |
1197 | int rc; |
1198 | ||
cd0ff491 GFT |
1199 | while (!atomic_dec_and_test(&jme->link_changing)) { |
1200 | atomic_inc(&jme->link_changing); | |
937ef75a | 1201 | netif_info(jme, intr, jme->dev, "Get link change lock failed\n"); |
58c92f28 | 1202 | while (atomic_read(&jme->link_changing) != 1) |
937ef75a | 1203 | netif_info(jme, intr, jme->dev, "Waiting link change lock\n"); |
cd0ff491 | 1204 | } |
fcf45b4c | 1205 | |
cd0ff491 | 1206 | if (jme_check_link(netdev, 1) && jme->old_mtu == netdev->mtu) |
fcf45b4c GFT |
1207 | goto out; |
1208 | ||
29bdd921 | 1209 | jme->old_mtu = netdev->mtu; |
fcf45b4c | 1210 | netif_stop_queue(netdev); |
cd0ff491 GFT |
1211 | if (jme_pseudo_hotplug_enabled(jme)) |
1212 | jme_stop_shutdown_timer(jme); | |
1213 | ||
1214 | jme_stop_pcc_timer(jme); | |
1215 | tasklet_disable(&jme->txclean_task); | |
1216 | tasklet_disable(&jme->rxclean_task); | |
1217 | tasklet_disable(&jme->rxempty_task); | |
1218 | ||
1219 | if (netif_carrier_ok(netdev)) { | |
1220 | jme_reset_ghc_speed(jme); | |
1221 | jme_disable_rx_engine(jme); | |
1222 | jme_disable_tx_engine(jme); | |
fcf45b4c GFT |
1223 | jme_reset_mac_processor(jme); |
1224 | jme_free_rx_resources(jme); | |
1225 | jme_free_tx_resources(jme); | |
192570e0 | 1226 | |
cd0ff491 | 1227 | if (test_bit(JME_FLAG_POLL, &jme->flags)) |
192570e0 | 1228 | jme_polling_mode(jme); |
cd0ff491 GFT |
1229 | |
1230 | netif_carrier_off(netdev); | |
fcf45b4c GFT |
1231 | } |
1232 | ||
1233 | jme_check_link(netdev, 0); | |
cd0ff491 | 1234 | if (netif_carrier_ok(netdev)) { |
fcf45b4c | 1235 | rc = jme_setup_rx_resources(jme); |
cd0ff491 | 1236 | if (rc) { |
937ef75a | 1237 | pr_err("Allocating resources for RX error, Device STOPPED!\n"); |
cd0ff491 | 1238 | goto out_enable_tasklet; |
fcf45b4c GFT |
1239 | } |
1240 | ||
fcf45b4c | 1241 | rc = jme_setup_tx_resources(jme); |
cd0ff491 | 1242 | if (rc) { |
937ef75a | 1243 | pr_err("Allocating resources for TX error, Device STOPPED!\n"); |
fcf45b4c GFT |
1244 | goto err_out_free_rx_resources; |
1245 | } | |
1246 | ||
1247 | jme_enable_rx_engine(jme); | |
1248 | jme_enable_tx_engine(jme); | |
1249 | ||
1250 | netif_start_queue(netdev); | |
192570e0 | 1251 | |
cd0ff491 | 1252 | if (test_bit(JME_FLAG_POLL, &jme->flags)) |
192570e0 | 1253 | jme_interrupt_mode(jme); |
192570e0 | 1254 | |
79ce639c | 1255 | jme_start_pcc_timer(jme); |
cd0ff491 GFT |
1256 | } else if (jme_pseudo_hotplug_enabled(jme)) { |
1257 | jme_start_shutdown_timer(jme); | |
fcf45b4c GFT |
1258 | } |
1259 | ||
cd0ff491 | 1260 | goto out_enable_tasklet; |
fcf45b4c GFT |
1261 | |
1262 | err_out_free_rx_resources: | |
1263 | jme_free_rx_resources(jme); | |
cd0ff491 GFT |
1264 | out_enable_tasklet: |
1265 | tasklet_enable(&jme->txclean_task); | |
1266 | tasklet_hi_enable(&jme->rxclean_task); | |
1267 | tasklet_hi_enable(&jme->rxempty_task); | |
fcf45b4c GFT |
1268 | out: |
1269 | atomic_inc(&jme->link_changing); | |
3bf61c55 | 1270 | } |
d7699f87 | 1271 | |
3bf61c55 GFT |
1272 | static void |
1273 | jme_rx_clean_tasklet(unsigned long arg) | |
1274 | { | |
cd0ff491 | 1275 | struct jme_adapter *jme = (struct jme_adapter *)arg; |
79ce639c | 1276 | struct dynpcc_info *dpi = &(jme->dpi); |
d7699f87 | 1277 | |
192570e0 GFT |
1278 | jme_process_receive(jme, jme->rx_ring_size); |
1279 | ++(dpi->intr_cnt); | |
42b1055e | 1280 | |
192570e0 | 1281 | } |
fcf45b4c | 1282 | |
192570e0 | 1283 | static int |
cdcdc9eb | 1284 | jme_poll(JME_NAPI_HOLDER(holder), JME_NAPI_WEIGHT(budget)) |
192570e0 | 1285 | { |
cdcdc9eb | 1286 | struct jme_adapter *jme = jme_napi_priv(holder); |
3b70a6fa | 1287 | DECLARE_NETDEV |
192570e0 | 1288 | int rest; |
fcf45b4c | 1289 | |
cdcdc9eb | 1290 | rest = jme_process_receive(jme, JME_NAPI_WEIGHT_VAL(budget)); |
fcf45b4c | 1291 | |
cd0ff491 | 1292 | while (atomic_read(&jme->rx_empty) > 0) { |
cdcdc9eb | 1293 | atomic_dec(&jme->rx_empty); |
192570e0 GFT |
1294 | ++(NET_STAT(jme).rx_dropped); |
1295 | jme_restart_rx_engine(jme); | |
1296 | } | |
1297 | atomic_inc(&jme->rx_empty); | |
1298 | ||
cd0ff491 | 1299 | if (rest) { |
cdcdc9eb | 1300 | JME_RX_COMPLETE(netdev, holder); |
192570e0 GFT |
1301 | jme_interrupt_mode(jme); |
1302 | } | |
1303 | ||
cdcdc9eb GFT |
1304 | JME_NAPI_WEIGHT_SET(budget, rest); |
1305 | return JME_NAPI_WEIGHT_VAL(budget) - rest; | |
fcf45b4c GFT |
1306 | } |
1307 | ||
1308 | static void | |
1309 | jme_rx_empty_tasklet(unsigned long arg) | |
1310 | { | |
cd0ff491 | 1311 | struct jme_adapter *jme = (struct jme_adapter *)arg; |
fcf45b4c | 1312 | |
cd0ff491 | 1313 | if (unlikely(atomic_read(&jme->link_changing) != 1)) |
fcf45b4c GFT |
1314 | return; |
1315 | ||
cd0ff491 | 1316 | if (unlikely(!netif_carrier_ok(jme->dev))) |
fcf45b4c GFT |
1317 | return; |
1318 | ||
7ca9ebee | 1319 | netif_info(jme, rx_status, jme->dev, "RX Queue Full!\n"); |
29bdd921 | 1320 | |
fcf45b4c | 1321 | jme_rx_clean_tasklet(arg); |
cdcdc9eb | 1322 | |
cd0ff491 | 1323 | while (atomic_read(&jme->rx_empty) > 0) { |
cdcdc9eb GFT |
1324 | atomic_dec(&jme->rx_empty); |
1325 | ++(NET_STAT(jme).rx_dropped); | |
1326 | jme_restart_rx_engine(jme); | |
1327 | } | |
1328 | atomic_inc(&jme->rx_empty); | |
4330c2f2 GFT |
1329 | } |
1330 | ||
b3821cc5 GFT |
1331 | static void |
1332 | jme_wake_queue_if_stopped(struct jme_adapter *jme) | |
1333 | { | |
0ede469c | 1334 | struct jme_ring *txring = &(jme->txring[0]); |
b3821cc5 GFT |
1335 | |
1336 | smp_wmb(); | |
cd0ff491 | 1337 | if (unlikely(netif_queue_stopped(jme->dev) && |
b3821cc5 | 1338 | atomic_read(&txring->nr_free) >= (jme->tx_wake_threshold))) { |
937ef75a | 1339 | netif_info(jme, tx_done, jme->dev, "TX Queue Waked\n"); |
b3821cc5 | 1340 | netif_wake_queue(jme->dev); |
b3821cc5 GFT |
1341 | } |
1342 | ||
1343 | } | |
1344 | ||
3bf61c55 GFT |
1345 | static void |
1346 | jme_tx_clean_tasklet(unsigned long arg) | |
4330c2f2 | 1347 | { |
cd0ff491 | 1348 | struct jme_adapter *jme = (struct jme_adapter *)arg; |
3bf61c55 | 1349 | struct jme_ring *txring = &(jme->txring[0]); |
cd0ff491 | 1350 | struct txdesc *txdesc = txring->desc; |
3bf61c55 | 1351 | struct jme_buffer_info *txbi = txring->bufinf, *ctxbi, *ttxbi; |
b3821cc5 | 1352 | int i, j, cnt = 0, max, err, mask; |
3bf61c55 | 1353 | |
937ef75a | 1354 | tx_dbg(jme, "Into txclean\n"); |
cd0ff491 GFT |
1355 | |
1356 | if (unlikely(!atomic_dec_and_test(&jme->tx_cleaning))) | |
fcf45b4c GFT |
1357 | goto out; |
1358 | ||
cd0ff491 | 1359 | if (unlikely(atomic_read(&jme->link_changing) != 1)) |
fcf45b4c GFT |
1360 | goto out; |
1361 | ||
cd0ff491 | 1362 | if (unlikely(!netif_carrier_ok(jme->dev))) |
fcf45b4c GFT |
1363 | goto out; |
1364 | ||
b3821cc5 GFT |
1365 | max = jme->tx_ring_size - atomic_read(&txring->nr_free); |
1366 | mask = jme->tx_ring_mask; | |
3bf61c55 | 1367 | |
cd0ff491 | 1368 | for (i = atomic_read(&txring->next_to_clean) ; cnt < max ; ) { |
3bf61c55 GFT |
1369 | |
1370 | ctxbi = txbi + i; | |
1371 | ||
cd0ff491 | 1372 | if (likely(ctxbi->skb && |
b3821cc5 | 1373 | !(txdesc[i].descwb.flags & TXWBFLAG_OWN))) { |
8c198884 | 1374 | |
cd0ff491 | 1375 | tx_dbg(jme, "txclean: %d+%d@%lu\n", |
937ef75a | 1376 | i, ctxbi->nr_desc, jiffies); |
3bf61c55 | 1377 | |
cd0ff491 | 1378 | err = txdesc[i].descwb.flags & TXWBFLAG_ALLERR; |
3bf61c55 | 1379 | |
cd0ff491 | 1380 | for (j = 1 ; j < ctxbi->nr_desc ; ++j) { |
b3821cc5 GFT |
1381 | ttxbi = txbi + ((i + j) & (mask)); |
1382 | txdesc[(i + j) & (mask)].dw[0] = 0; | |
3bf61c55 | 1383 | |
b3821cc5 | 1384 | pci_unmap_page(jme->pdev, |
3bf61c55 GFT |
1385 | ttxbi->mapping, |
1386 | ttxbi->len, | |
1387 | PCI_DMA_TODEVICE); | |
1388 | ||
3bf61c55 GFT |
1389 | ttxbi->mapping = 0; |
1390 | ttxbi->len = 0; | |
1391 | } | |
1392 | ||
1393 | dev_kfree_skb(ctxbi->skb); | |
3bf61c55 GFT |
1394 | |
1395 | cnt += ctxbi->nr_desc; | |
1396 | ||
cd0ff491 | 1397 | if (unlikely(err)) { |
8c198884 | 1398 | ++(NET_STAT(jme).tx_carrier_errors); |
cd0ff491 | 1399 | } else { |
8c198884 | 1400 | ++(NET_STAT(jme).tx_packets); |
b3821cc5 GFT |
1401 | NET_STAT(jme).tx_bytes += ctxbi->len; |
1402 | } | |
1403 | ||
1404 | ctxbi->skb = NULL; | |
1405 | ctxbi->len = 0; | |
cdcdc9eb | 1406 | ctxbi->start_xmit = 0; |
cd0ff491 GFT |
1407 | |
1408 | } else { | |
3bf61c55 GFT |
1409 | break; |
1410 | } | |
1411 | ||
b3821cc5 | 1412 | i = (i + ctxbi->nr_desc) & mask; |
3bf61c55 GFT |
1413 | |
1414 | ctxbi->nr_desc = 0; | |
d7699f87 GFT |
1415 | } |
1416 | ||
937ef75a | 1417 | tx_dbg(jme, "txclean: done %d@%lu\n", i, jiffies); |
cdcdc9eb | 1418 | atomic_set(&txring->next_to_clean, i); |
79ce639c | 1419 | atomic_add(cnt, &txring->nr_free); |
3bf61c55 | 1420 | |
b3821cc5 GFT |
1421 | jme_wake_queue_if_stopped(jme); |
1422 | ||
fcf45b4c GFT |
1423 | out: |
1424 | atomic_inc(&jme->tx_cleaning); | |
d7699f87 GFT |
1425 | } |
1426 | ||
79ce639c | 1427 | static void |
cd0ff491 | 1428 | jme_intr_msi(struct jme_adapter *jme, u32 intrstat) |
d7699f87 | 1429 | { |
3bf61c55 GFT |
1430 | /* |
1431 | * Disable interrupt | |
1432 | */ | |
1433 | jwrite32f(jme, JME_IENC, INTR_ENABLE); | |
d7699f87 | 1434 | |
cd0ff491 | 1435 | if (intrstat & (INTR_LINKCH | INTR_SWINTR)) { |
47220951 GFT |
1436 | /* |
1437 | * Link change event is critical | |
1438 | * all other events are ignored | |
1439 | */ | |
1440 | jwrite32(jme, JME_IEVE, intrstat); | |
3bf61c55 | 1441 | tasklet_schedule(&jme->linkch_task); |
29bdd921 | 1442 | goto out_reenable; |
fcf45b4c | 1443 | } |
d7699f87 | 1444 | |
cd0ff491 | 1445 | if (intrstat & INTR_TMINTR) { |
47220951 | 1446 | jwrite32(jme, JME_IEVE, INTR_TMINTR); |
79ce639c | 1447 | tasklet_schedule(&jme->pcc_task); |
47220951 | 1448 | } |
79ce639c | 1449 | |
cd0ff491 | 1450 | if (intrstat & (INTR_PCCTXTO | INTR_PCCTX)) { |
47220951 | 1451 | jwrite32(jme, JME_IEVE, INTR_PCCTXTO | INTR_PCCTX | INTR_TX0); |
4330c2f2 | 1452 | tasklet_schedule(&jme->txclean_task); |
47220951 GFT |
1453 | } |
1454 | ||
cd0ff491 | 1455 | if ((intrstat & (INTR_PCCRX0TO | INTR_PCCRX0 | INTR_RX0EMP))) { |
47220951 GFT |
1456 | jwrite32(jme, JME_IEVE, (intrstat & (INTR_PCCRX0TO | |
1457 | INTR_PCCRX0 | | |
1458 | INTR_RX0EMP)) | | |
1459 | INTR_RX0); | |
1460 | } | |
d7699f87 | 1461 | |
cd0ff491 GFT |
1462 | if (test_bit(JME_FLAG_POLL, &jme->flags)) { |
1463 | if (intrstat & INTR_RX0EMP) | |
192570e0 GFT |
1464 | atomic_inc(&jme->rx_empty); |
1465 | ||
cd0ff491 GFT |
1466 | if ((intrstat & (INTR_PCCRX0TO | INTR_PCCRX0 | INTR_RX0EMP))) { |
1467 | if (likely(JME_RX_SCHEDULE_PREP(jme))) { | |
192570e0 | 1468 | jme_polling_mode(jme); |
cdcdc9eb | 1469 | JME_RX_SCHEDULE(jme); |
192570e0 GFT |
1470 | } |
1471 | } | |
cd0ff491 GFT |
1472 | } else { |
1473 | if (intrstat & INTR_RX0EMP) { | |
cdcdc9eb | 1474 | atomic_inc(&jme->rx_empty); |
cd0ff491 GFT |
1475 | tasklet_hi_schedule(&jme->rxempty_task); |
1476 | } else if (intrstat & (INTR_PCCRX0TO | INTR_PCCRX0)) { | |
1477 | tasklet_hi_schedule(&jme->rxclean_task); | |
cdcdc9eb | 1478 | } |
4330c2f2 | 1479 | } |
d7699f87 | 1480 | |
29bdd921 | 1481 | out_reenable: |
3bf61c55 | 1482 | /* |
fcf45b4c | 1483 | * Re-enable interrupt |
3bf61c55 | 1484 | */ |
fcf45b4c | 1485 | jwrite32f(jme, JME_IENS, INTR_ENABLE); |
79ce639c GFT |
1486 | } |
1487 | ||
3b70a6fa GFT |
1488 | #if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,18) |
1489 | static irqreturn_t | |
1490 | jme_intr(int irq, void *dev_id, struct pt_regs *regs) | |
1491 | #else | |
79ce639c GFT |
1492 | static irqreturn_t |
1493 | jme_intr(int irq, void *dev_id) | |
3b70a6fa | 1494 | #endif |
79ce639c | 1495 | { |
cd0ff491 GFT |
1496 | struct net_device *netdev = dev_id; |
1497 | struct jme_adapter *jme = netdev_priv(netdev); | |
1498 | u32 intrstat; | |
79ce639c GFT |
1499 | |
1500 | intrstat = jread32(jme, JME_IEVE); | |
1501 | ||
1502 | /* | |
1503 | * Check if it's really an interrupt for us | |
1504 | */ | |
7ee473a3 | 1505 | if (unlikely((intrstat & INTR_ENABLE) == 0)) |
29bdd921 | 1506 | return IRQ_NONE; |
79ce639c GFT |
1507 | |
1508 | /* | |
1509 | * Check if the device still exist | |
1510 | */ | |
cd0ff491 GFT |
1511 | if (unlikely(intrstat == ~((typeof(intrstat))0))) |
1512 | return IRQ_NONE; | |
79ce639c GFT |
1513 | |
1514 | jme_intr_msi(jme, intrstat); | |
1515 | ||
cd0ff491 | 1516 | return IRQ_HANDLED; |
d7699f87 GFT |
1517 | } |
1518 | ||
3b70a6fa GFT |
1519 | #if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,18) |
1520 | static irqreturn_t | |
1521 | jme_msi(int irq, void *dev_id, struct pt_regs *regs) | |
1522 | #else | |
79ce639c GFT |
1523 | static irqreturn_t |
1524 | jme_msi(int irq, void *dev_id) | |
3b70a6fa | 1525 | #endif |
79ce639c | 1526 | { |
cd0ff491 GFT |
1527 | struct net_device *netdev = dev_id; |
1528 | struct jme_adapter *jme = netdev_priv(netdev); | |
1529 | u32 intrstat; | |
79ce639c | 1530 | |
0ede469c | 1531 | intrstat = jread32(jme, JME_IEVE); |
79ce639c GFT |
1532 | |
1533 | jme_intr_msi(jme, intrstat); | |
1534 | ||
cd0ff491 | 1535 | return IRQ_HANDLED; |
79ce639c GFT |
1536 | } |
1537 | ||
79ce639c GFT |
1538 | static void |
1539 | jme_reset_link(struct jme_adapter *jme) | |
1540 | { | |
1541 | jwrite32(jme, JME_TMCSR, TMCSR_SWIT); | |
1542 | } | |
1543 | ||
fcf45b4c GFT |
1544 | static void |
1545 | jme_restart_an(struct jme_adapter *jme) | |
1546 | { | |
cd0ff491 | 1547 | u32 bmcr; |
fcf45b4c | 1548 | |
cd0ff491 | 1549 | spin_lock_bh(&jme->phy_lock); |
fcf45b4c GFT |
1550 | bmcr = jme_mdio_read(jme->dev, jme->mii_if.phy_id, MII_BMCR); |
1551 | bmcr |= (BMCR_ANENABLE | BMCR_ANRESTART); | |
1552 | jme_mdio_write(jme->dev, jme->mii_if.phy_id, MII_BMCR, bmcr); | |
cd0ff491 | 1553 | spin_unlock_bh(&jme->phy_lock); |
79ce639c GFT |
1554 | } |
1555 | ||
1556 | static int | |
1557 | jme_request_irq(struct jme_adapter *jme) | |
1558 | { | |
1559 | int rc; | |
cd0ff491 | 1560 | struct net_device *netdev = jme->dev; |
3b70a6fa GFT |
1561 | #if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,18) |
1562 | irqreturn_t (*handler)(int, void *, struct pt_regs *) = jme_intr; | |
1563 | int irq_flags = SA_SHIRQ; | |
1564 | #else | |
cd0ff491 GFT |
1565 | irq_handler_t handler = jme_intr; |
1566 | int irq_flags = IRQF_SHARED; | |
3b70a6fa | 1567 | #endif |
cd0ff491 GFT |
1568 | |
1569 | if (!pci_enable_msi(jme->pdev)) { | |
1570 | set_bit(JME_FLAG_MSI, &jme->flags); | |
1571 | handler = jme_msi; | |
1572 | irq_flags = 0; | |
1573 | } | |
1574 | ||
1575 | rc = request_irq(jme->pdev->irq, handler, irq_flags, netdev->name, | |
1576 | netdev); | |
1577 | if (rc) { | |
937ef75a JP |
1578 | netdev_err(netdev, |
1579 | "Unable to request %s interrupt (return: %d)\n", | |
1580 | test_bit(JME_FLAG_MSI, &jme->flags) ? "MSI" : "INTx", | |
1581 | rc); | |
79ce639c | 1582 | |
cd0ff491 GFT |
1583 | if (test_bit(JME_FLAG_MSI, &jme->flags)) { |
1584 | pci_disable_msi(jme->pdev); | |
1585 | clear_bit(JME_FLAG_MSI, &jme->flags); | |
79ce639c | 1586 | } |
cd0ff491 | 1587 | } else { |
79ce639c GFT |
1588 | netdev->irq = jme->pdev->irq; |
1589 | } | |
1590 | ||
cd0ff491 | 1591 | return rc; |
79ce639c GFT |
1592 | } |
1593 | ||
1594 | static void | |
1595 | jme_free_irq(struct jme_adapter *jme) | |
1596 | { | |
cd0ff491 GFT |
1597 | free_irq(jme->pdev->irq, jme->dev); |
1598 | if (test_bit(JME_FLAG_MSI, &jme->flags)) { | |
1599 | pci_disable_msi(jme->pdev); | |
1600 | clear_bit(JME_FLAG_MSI, &jme->flags); | |
79ce639c | 1601 | jme->dev->irq = jme->pdev->irq; |
cd0ff491 | 1602 | } |
fcf45b4c GFT |
1603 | } |
1604 | ||
e58b908e GFT |
1605 | static inline void |
1606 | jme_phy_on(struct jme_adapter *jme) | |
1607 | { | |
1608 | u32 bmcr; | |
1609 | ||
1610 | bmcr = jme_mdio_read(jme->dev, jme->mii_if.phy_id, MII_BMCR); | |
1611 | bmcr &= ~BMCR_PDOWN; | |
1612 | jme_mdio_write(jme->dev, jme->mii_if.phy_id, MII_BMCR, bmcr); | |
1613 | } | |
1614 | ||
3bf61c55 GFT |
1615 | static int |
1616 | jme_open(struct net_device *netdev) | |
d7699f87 GFT |
1617 | { |
1618 | struct jme_adapter *jme = netdev_priv(netdev); | |
cd0ff491 | 1619 | int rc; |
79ce639c | 1620 | |
42b1055e | 1621 | jme_clear_pm(jme); |
cdcdc9eb | 1622 | JME_NAPI_ENABLE(jme); |
d7699f87 | 1623 | |
0ede469c | 1624 | tasklet_enable(&jme->linkch_task); |
cd0ff491 GFT |
1625 | tasklet_enable(&jme->txclean_task); |
1626 | tasklet_hi_enable(&jme->rxclean_task); | |
1627 | tasklet_hi_enable(&jme->rxempty_task); | |
1628 | ||
79ce639c | 1629 | rc = jme_request_irq(jme); |
cd0ff491 | 1630 | if (rc) |
4330c2f2 | 1631 | goto err_out; |
79ce639c | 1632 | |
d7699f87 | 1633 | jme_start_irq(jme); |
42b1055e | 1634 | |
e58b908e GFT |
1635 | if (test_bit(JME_FLAG_SSET, &jme->flags)) { |
1636 | jme_phy_on(jme); | |
42b1055e | 1637 | jme_set_settings(netdev, &jme->old_ecmd); |
e58b908e | 1638 | } else { |
42b1055e | 1639 | jme_reset_phy_processor(jme); |
e58b908e | 1640 | } |
42b1055e | 1641 | |
29bdd921 | 1642 | jme_reset_link(jme); |
d7699f87 GFT |
1643 | |
1644 | return 0; | |
1645 | ||
d7699f87 GFT |
1646 | err_out: |
1647 | netif_stop_queue(netdev); | |
1648 | netif_carrier_off(netdev); | |
4330c2f2 | 1649 | return rc; |
d7699f87 GFT |
1650 | } |
1651 | ||
7ee473a3 | 1652 | #ifdef CONFIG_PM |
42b1055e GFT |
1653 | static void |
1654 | jme_set_100m_half(struct jme_adapter *jme) | |
1655 | { | |
cd0ff491 | 1656 | u32 bmcr, tmp; |
42b1055e GFT |
1657 | |
1658 | bmcr = jme_mdio_read(jme->dev, jme->mii_if.phy_id, MII_BMCR); | |
1659 | tmp = bmcr & ~(BMCR_ANENABLE | BMCR_SPEED100 | | |
1660 | BMCR_SPEED1000 | BMCR_FULLDPLX); | |
1661 | tmp |= BMCR_SPEED100; | |
1662 | ||
1663 | if (bmcr != tmp) | |
1664 | jme_mdio_write(jme->dev, jme->mii_if.phy_id, MII_BMCR, tmp); | |
1665 | ||
cd0ff491 | 1666 | if (jme->fpgaver) |
cdcdc9eb GFT |
1667 | jwrite32(jme, JME_GHC, GHC_SPEED_100M | GHC_LINK_POLL); |
1668 | else | |
1669 | jwrite32(jme, JME_GHC, GHC_SPEED_100M); | |
42b1055e GFT |
1670 | } |
1671 | ||
47220951 GFT |
1672 | #define JME_WAIT_LINK_TIME 2000 /* 2000ms */ |
1673 | static void | |
1674 | jme_wait_link(struct jme_adapter *jme) | |
1675 | { | |
cd0ff491 | 1676 | u32 phylink, to = JME_WAIT_LINK_TIME; |
47220951 GFT |
1677 | |
1678 | mdelay(1000); | |
1679 | phylink = jme_linkstat_from_phy(jme); | |
cd0ff491 | 1680 | while (!(phylink & PHY_LINK_UP) && (to -= 10) > 0) { |
47220951 GFT |
1681 | mdelay(10); |
1682 | phylink = jme_linkstat_from_phy(jme); | |
1683 | } | |
1684 | } | |
7ee473a3 | 1685 | #endif |
47220951 | 1686 | |
cd0ff491 | 1687 | static inline void |
42b1055e GFT |
1688 | jme_phy_off(struct jme_adapter *jme) |
1689 | { | |
1690 | jme_mdio_write(jme->dev, jme->mii_if.phy_id, MII_BMCR, BMCR_PDOWN); | |
1691 | } | |
1692 | ||
3bf61c55 GFT |
1693 | static int |
1694 | jme_close(struct net_device *netdev) | |
d7699f87 GFT |
1695 | { |
1696 | struct jme_adapter *jme = netdev_priv(netdev); | |
1697 | ||
1698 | netif_stop_queue(netdev); | |
1699 | netif_carrier_off(netdev); | |
1700 | ||
1701 | jme_stop_irq(jme); | |
79ce639c | 1702 | jme_free_irq(jme); |
d7699f87 | 1703 | |
cdcdc9eb | 1704 | JME_NAPI_DISABLE(jme); |
192570e0 | 1705 | |
0ede469c GFT |
1706 | tasklet_disable(&jme->linkch_task); |
1707 | tasklet_disable(&jme->txclean_task); | |
1708 | tasklet_disable(&jme->rxclean_task); | |
1709 | tasklet_disable(&jme->rxempty_task); | |
8c198884 | 1710 | |
cd0ff491 GFT |
1711 | jme_reset_ghc_speed(jme); |
1712 | jme_disable_rx_engine(jme); | |
1713 | jme_disable_tx_engine(jme); | |
8c198884 | 1714 | jme_reset_mac_processor(jme); |
d7699f87 GFT |
1715 | jme_free_rx_resources(jme); |
1716 | jme_free_tx_resources(jme); | |
42b1055e | 1717 | jme->phylink = 0; |
b3821cc5 GFT |
1718 | jme_phy_off(jme); |
1719 | ||
1720 | return 0; | |
1721 | } | |
1722 | ||
1723 | static int | |
1724 | jme_alloc_txdesc(struct jme_adapter *jme, | |
1725 | struct sk_buff *skb) | |
1726 | { | |
0ede469c | 1727 | struct jme_ring *txring = &(jme->txring[0]); |
b3821cc5 GFT |
1728 | int idx, nr_alloc, mask = jme->tx_ring_mask; |
1729 | ||
1730 | idx = txring->next_to_use; | |
1731 | nr_alloc = skb_shinfo(skb)->nr_frags + 2; | |
1732 | ||
cd0ff491 | 1733 | if (unlikely(atomic_read(&txring->nr_free) < nr_alloc)) |
b3821cc5 GFT |
1734 | return -1; |
1735 | ||
1736 | atomic_sub(nr_alloc, &txring->nr_free); | |
42b1055e | 1737 | |
b3821cc5 GFT |
1738 | txring->next_to_use = (txring->next_to_use + nr_alloc) & mask; |
1739 | ||
1740 | return idx; | |
1741 | } | |
1742 | ||
1743 | static void | |
1744 | jme_fill_tx_map(struct pci_dev *pdev, | |
cd0ff491 | 1745 | struct txdesc *txdesc, |
b3821cc5 GFT |
1746 | struct jme_buffer_info *txbi, |
1747 | struct page *page, | |
cd0ff491 GFT |
1748 | u32 page_offset, |
1749 | u32 len, | |
1750 | u8 hidma) | |
b3821cc5 GFT |
1751 | { |
1752 | dma_addr_t dmaaddr; | |
1753 | ||
1754 | dmaaddr = pci_map_page(pdev, | |
1755 | page, | |
1756 | page_offset, | |
1757 | len, | |
1758 | PCI_DMA_TODEVICE); | |
1759 | ||
1760 | pci_dma_sync_single_for_device(pdev, | |
1761 | dmaaddr, | |
1762 | len, | |
1763 | PCI_DMA_TODEVICE); | |
1764 | ||
1765 | txdesc->dw[0] = 0; | |
1766 | txdesc->dw[1] = 0; | |
1767 | txdesc->desc2.flags = TXFLAG_OWN; | |
cd0ff491 | 1768 | txdesc->desc2.flags |= (hidma) ? TXFLAG_64BIT : 0; |
b3821cc5 GFT |
1769 | txdesc->desc2.datalen = cpu_to_le16(len); |
1770 | txdesc->desc2.bufaddrh = cpu_to_le32((__u64)dmaaddr >> 32); | |
1771 | txdesc->desc2.bufaddrl = cpu_to_le32( | |
1772 | (__u64)dmaaddr & 0xFFFFFFFFUL); | |
1773 | ||
1774 | txbi->mapping = dmaaddr; | |
1775 | txbi->len = len; | |
1776 | } | |
1777 | ||
1778 | static void | |
1779 | jme_map_tx_skb(struct jme_adapter *jme, struct sk_buff *skb, int idx) | |
1780 | { | |
0ede469c | 1781 | struct jme_ring *txring = &(jme->txring[0]); |
cd0ff491 | 1782 | struct txdesc *txdesc = txring->desc, *ctxdesc; |
b3821cc5 | 1783 | struct jme_buffer_info *txbi = txring->bufinf, *ctxbi; |
cd0ff491 | 1784 | u8 hidma = jme->dev->features & NETIF_F_HIGHDMA; |
b3821cc5 GFT |
1785 | int i, nr_frags = skb_shinfo(skb)->nr_frags; |
1786 | int mask = jme->tx_ring_mask; | |
1787 | struct skb_frag_struct *frag; | |
cd0ff491 | 1788 | u32 len; |
b3821cc5 | 1789 | |
cd0ff491 GFT |
1790 | for (i = 0 ; i < nr_frags ; ++i) { |
1791 | frag = &skb_shinfo(skb)->frags[i]; | |
b3821cc5 GFT |
1792 | ctxdesc = txdesc + ((idx + i + 2) & (mask)); |
1793 | ctxbi = txbi + ((idx + i + 2) & (mask)); | |
1794 | ||
1795 | jme_fill_tx_map(jme->pdev, ctxdesc, ctxbi, frag->page, | |
1796 | frag->page_offset, frag->size, hidma); | |
42b1055e | 1797 | } |
b3821cc5 | 1798 | |
cd0ff491 | 1799 | len = skb_is_nonlinear(skb) ? skb_headlen(skb) : skb->len; |
b3821cc5 GFT |
1800 | ctxdesc = txdesc + ((idx + 1) & (mask)); |
1801 | ctxbi = txbi + ((idx + 1) & (mask)); | |
1802 | jme_fill_tx_map(jme->pdev, ctxdesc, ctxbi, virt_to_page(skb->data), | |
1803 | offset_in_page(skb->data), len, hidma); | |
1804 | ||
1805 | } | |
1806 | ||
1807 | static int | |
1808 | jme_expand_header(struct jme_adapter *jme, struct sk_buff *skb) | |
1809 | { | |
3b70a6fa | 1810 | if (unlikely( |
0ede469c | 1811 | #if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,17) |
3b70a6fa GFT |
1812 | skb_shinfo(skb)->tso_size |
1813 | #else | |
1814 | skb_shinfo(skb)->gso_size | |
1815 | #endif | |
1816 | && skb_header_cloned(skb) && | |
b3821cc5 GFT |
1817 | pskb_expand_head(skb, 0, 0, GFP_ATOMIC))) { |
1818 | dev_kfree_skb(skb); | |
1819 | return -1; | |
1820 | } | |
1821 | ||
1822 | return 0; | |
1823 | } | |
1824 | ||
1825 | static int | |
3b70a6fa | 1826 | jme_tx_tso(struct sk_buff *skb, __le16 *mss, u8 *flags) |
b3821cc5 | 1827 | { |
0ede469c | 1828 | #if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,17) |
3b70a6fa GFT |
1829 | *mss = cpu_to_le16(skb_shinfo(skb)->tso_size << TXDESC_MSS_SHIFT); |
1830 | #else | |
1831 | *mss = cpu_to_le16(skb_shinfo(skb)->gso_size << TXDESC_MSS_SHIFT); | |
1832 | #endif | |
cd0ff491 | 1833 | if (*mss) { |
b3821cc5 GFT |
1834 | *flags |= TXFLAG_LSEN; |
1835 | ||
cd0ff491 | 1836 | if (skb->protocol == htons(ETH_P_IP)) { |
b3821cc5 GFT |
1837 | struct iphdr *iph = ip_hdr(skb); |
1838 | ||
1839 | iph->check = 0; | |
cd0ff491 | 1840 | tcp_hdr(skb)->check = ~csum_tcpudp_magic(iph->saddr, |
b3821cc5 GFT |
1841 | iph->daddr, 0, |
1842 | IPPROTO_TCP, | |
1843 | 0); | |
cd0ff491 | 1844 | } else { |
b3821cc5 GFT |
1845 | struct ipv6hdr *ip6h = ipv6_hdr(skb); |
1846 | ||
cd0ff491 | 1847 | tcp_hdr(skb)->check = ~csum_ipv6_magic(&ip6h->saddr, |
b3821cc5 GFT |
1848 | &ip6h->daddr, 0, |
1849 | IPPROTO_TCP, | |
1850 | 0); | |
1851 | } | |
1852 | ||
1853 | return 0; | |
1854 | } | |
1855 | ||
1856 | return 1; | |
1857 | } | |
1858 | ||
1859 | static void | |
cd0ff491 | 1860 | jme_tx_csum(struct jme_adapter *jme, struct sk_buff *skb, u8 *flags) |
b3821cc5 | 1861 | { |
3b70a6fa GFT |
1862 | #ifdef CHECKSUM_PARTIAL |
1863 | if (skb->ip_summed == CHECKSUM_PARTIAL) | |
1864 | #else | |
1865 | if (skb->ip_summed == CHECKSUM_HW) | |
1866 | #endif | |
1867 | { | |
cd0ff491 | 1868 | u8 ip_proto; |
b3821cc5 | 1869 | |
3b70a6fa GFT |
1870 | #if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,21) |
1871 | if (skb->protocol == htons(ETH_P_IP)) | |
1872 | ip_proto = ip_hdr(skb)->protocol; | |
1873 | else if (skb->protocol == htons(ETH_P_IPV6)) | |
1874 | ip_proto = ipv6_hdr(skb)->nexthdr; | |
1875 | else | |
1876 | ip_proto = 0; | |
1877 | #else | |
b3821cc5 | 1878 | switch (skb->protocol) { |
cd0ff491 | 1879 | case htons(ETH_P_IP): |
b3821cc5 GFT |
1880 | ip_proto = ip_hdr(skb)->protocol; |
1881 | break; | |
cd0ff491 | 1882 | case htons(ETH_P_IPV6): |
b3821cc5 GFT |
1883 | ip_proto = ipv6_hdr(skb)->nexthdr; |
1884 | break; | |
1885 | default: | |
1886 | ip_proto = 0; | |
1887 | break; | |
1888 | } | |
3b70a6fa | 1889 | #endif |
b3821cc5 | 1890 | |
cd0ff491 | 1891 | switch (ip_proto) { |
b3821cc5 GFT |
1892 | case IPPROTO_TCP: |
1893 | *flags |= TXFLAG_TCPCS; | |
1894 | break; | |
1895 | case IPPROTO_UDP: | |
1896 | *flags |= TXFLAG_UDPCS; | |
1897 | break; | |
1898 | default: | |
937ef75a | 1899 | netif_err(jme, tx_err, jme->dev, "Error upper layer protocol\n"); |
b3821cc5 GFT |
1900 | break; |
1901 | } | |
1902 | } | |
1903 | } | |
1904 | ||
cd0ff491 | 1905 | static inline void |
3b70a6fa | 1906 | jme_tx_vlan(struct sk_buff *skb, __le16 *vlan, u8 *flags) |
b3821cc5 | 1907 | { |
cd0ff491 | 1908 | if (vlan_tx_tag_present(skb)) { |
b3821cc5 | 1909 | *flags |= TXFLAG_TAGON; |
3b70a6fa | 1910 | *vlan = cpu_to_le16(vlan_tx_tag_get(skb)); |
42b1055e | 1911 | } |
b3821cc5 GFT |
1912 | } |
1913 | ||
1914 | static int | |
3b70a6fa | 1915 | jme_fill_tx_desc(struct jme_adapter *jme, struct sk_buff *skb, int idx) |
b3821cc5 | 1916 | { |
0ede469c | 1917 | struct jme_ring *txring = &(jme->txring[0]); |
cd0ff491 | 1918 | struct txdesc *txdesc; |
b3821cc5 | 1919 | struct jme_buffer_info *txbi; |
cd0ff491 | 1920 | u8 flags; |
b3821cc5 | 1921 | |
cd0ff491 | 1922 | txdesc = (struct txdesc *)txring->desc + idx; |
b3821cc5 GFT |
1923 | txbi = txring->bufinf + idx; |
1924 | ||
1925 | txdesc->dw[0] = 0; | |
1926 | txdesc->dw[1] = 0; | |
1927 | txdesc->dw[2] = 0; | |
1928 | txdesc->dw[3] = 0; | |
1929 | txdesc->desc1.pktsize = cpu_to_le16(skb->len); | |
1930 | /* | |
1931 | * Set OWN bit at final. | |
1932 | * When kernel transmit faster than NIC. | |
1933 | * And NIC trying to send this descriptor before we tell | |
1934 | * it to start sending this TX queue. | |
1935 | * Other fields are already filled correctly. | |
1936 | */ | |
1937 | wmb(); | |
1938 | flags = TXFLAG_OWN | TXFLAG_INT; | |
cd0ff491 GFT |
1939 | /* |
1940 | * Set checksum flags while not tso | |
1941 | */ | |
1942 | if (jme_tx_tso(skb, &txdesc->desc1.mss, &flags)) | |
1943 | jme_tx_csum(jme, skb, &flags); | |
b3821cc5 | 1944 | jme_tx_vlan(skb, &txdesc->desc1.vlan, &flags); |
3b70a6fa | 1945 | jme_map_tx_skb(jme, skb, idx); |
b3821cc5 GFT |
1946 | txdesc->desc1.flags = flags; |
1947 | /* | |
1948 | * Set tx buffer info after telling NIC to send | |
1949 | * For better tx_clean timing | |
1950 | */ | |
1951 | wmb(); | |
1952 | txbi->nr_desc = skb_shinfo(skb)->nr_frags + 2; | |
1953 | txbi->skb = skb; | |
1954 | txbi->len = skb->len; | |
cd0ff491 GFT |
1955 | txbi->start_xmit = jiffies; |
1956 | if (!txbi->start_xmit) | |
8d27293f | 1957 | txbi->start_xmit = (0UL-1); |
d7699f87 GFT |
1958 | |
1959 | return 0; | |
1960 | } | |
1961 | ||
b3821cc5 GFT |
1962 | static void |
1963 | jme_stop_queue_if_full(struct jme_adapter *jme) | |
1964 | { | |
0ede469c | 1965 | struct jme_ring *txring = &(jme->txring[0]); |
cd0ff491 GFT |
1966 | struct jme_buffer_info *txbi = txring->bufinf; |
1967 | int idx = atomic_read(&txring->next_to_clean); | |
cdcdc9eb | 1968 | |
cd0ff491 | 1969 | txbi += idx; |
b3821cc5 GFT |
1970 | |
1971 | smp_wmb(); | |
cd0ff491 | 1972 | if (unlikely(atomic_read(&txring->nr_free) < (MAX_SKB_FRAGS+2))) { |
b3821cc5 | 1973 | netif_stop_queue(jme->dev); |
937ef75a | 1974 | netif_info(jme, tx_queued, jme->dev, "TX Queue Paused\n"); |
b3821cc5 | 1975 | smp_wmb(); |
cd0ff491 GFT |
1976 | if (atomic_read(&txring->nr_free) |
1977 | >= (jme->tx_wake_threshold)) { | |
b3821cc5 | 1978 | netif_wake_queue(jme->dev); |
937ef75a | 1979 | netif_info(jme, tx_queued, jme->dev, "TX Queue Fast Waked\n"); |
b3821cc5 GFT |
1980 | } |
1981 | } | |
1982 | ||
cd0ff491 | 1983 | if (unlikely(txbi->start_xmit && |
cdcdc9eb GFT |
1984 | (jiffies - txbi->start_xmit) >= TX_TIMEOUT && |
1985 | txbi->skb)) { | |
1986 | netif_stop_queue(jme->dev); | |
937ef75a | 1987 | netif_info(jme, tx_queued, jme->dev, "TX Queue Stopped %d@%lu\n", idx, jiffies); |
cdcdc9eb | 1988 | } |
b3821cc5 GFT |
1989 | } |
1990 | ||
3bf61c55 GFT |
1991 | /* |
1992 | * This function is already protected by netif_tx_lock() | |
1993 | */ | |
cd0ff491 | 1994 | |
7ca9ebee | 1995 | #if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,31) |
3bf61c55 | 1996 | static int |
7ca9ebee GFT |
1997 | #else |
1998 | static netdev_tx_t | |
1999 | #endif | |
3bf61c55 | 2000 | jme_start_xmit(struct sk_buff *skb, struct net_device *netdev) |
d7699f87 | 2001 | { |
cd0ff491 | 2002 | struct jme_adapter *jme = netdev_priv(netdev); |
b3821cc5 | 2003 | int idx; |
d7699f87 | 2004 | |
cd0ff491 | 2005 | if (unlikely(jme_expand_header(jme, skb))) { |
b3821cc5 GFT |
2006 | ++(NET_STAT(jme).tx_dropped); |
2007 | return NETDEV_TX_OK; | |
2008 | } | |
2009 | ||
2010 | idx = jme_alloc_txdesc(jme, skb); | |
79ce639c | 2011 | |
cd0ff491 | 2012 | if (unlikely(idx < 0)) { |
b3821cc5 | 2013 | netif_stop_queue(netdev); |
937ef75a JP |
2014 | netif_err(jme, tx_err, jme->dev, |
2015 | "BUG! Tx ring full when queue awake!\n"); | |
d7699f87 | 2016 | |
cd0ff491 | 2017 | return NETDEV_TX_BUSY; |
b3821cc5 GFT |
2018 | } |
2019 | ||
3b70a6fa | 2020 | jme_fill_tx_desc(jme, skb, idx); |
b3821cc5 | 2021 | |
4330c2f2 GFT |
2022 | jwrite32(jme, JME_TXCS, jme->reg_txcs | |
2023 | TXCS_SELECT_QUEUE0 | | |
2024 | TXCS_QUEUE0S | | |
2025 | TXCS_ENABLE); | |
0ede469c | 2026 | #if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,29) |
d7699f87 | 2027 | netdev->trans_start = jiffies; |
0ede469c | 2028 | #endif |
d7699f87 | 2029 | |
937ef75a JP |
2030 | tx_dbg(jme, "xmit: %d+%d@%lu\n", |
2031 | idx, skb_shinfo(skb)->nr_frags + 2, jiffies); | |
b3821cc5 GFT |
2032 | jme_stop_queue_if_full(jme); |
2033 | ||
cd0ff491 | 2034 | return NETDEV_TX_OK; |
d7699f87 GFT |
2035 | } |
2036 | ||
3bf61c55 GFT |
2037 | static int |
2038 | jme_set_macaddr(struct net_device *netdev, void *p) | |
d7699f87 | 2039 | { |
cd0ff491 | 2040 | struct jme_adapter *jme = netdev_priv(netdev); |
d7699f87 | 2041 | struct sockaddr *addr = p; |
cd0ff491 | 2042 | u32 val; |
d7699f87 | 2043 | |
cd0ff491 | 2044 | if (netif_running(netdev)) |
d7699f87 GFT |
2045 | return -EBUSY; |
2046 | ||
cd0ff491 | 2047 | spin_lock_bh(&jme->macaddr_lock); |
d7699f87 GFT |
2048 | memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len); |
2049 | ||
186fc259 GFT |
2050 | val = (addr->sa_data[3] & 0xff) << 24 | |
2051 | (addr->sa_data[2] & 0xff) << 16 | | |
2052 | (addr->sa_data[1] & 0xff) << 8 | | |
2053 | (addr->sa_data[0] & 0xff); | |
4330c2f2 | 2054 | jwrite32(jme, JME_RXUMA_LO, val); |
186fc259 GFT |
2055 | val = (addr->sa_data[5] & 0xff) << 8 | |
2056 | (addr->sa_data[4] & 0xff); | |
4330c2f2 | 2057 | jwrite32(jme, JME_RXUMA_HI, val); |
cd0ff491 | 2058 | spin_unlock_bh(&jme->macaddr_lock); |
d7699f87 GFT |
2059 | |
2060 | return 0; | |
2061 | } | |
2062 | ||
3bf61c55 GFT |
2063 | static void |
2064 | jme_set_multi(struct net_device *netdev) | |
d7699f87 | 2065 | { |
3bf61c55 | 2066 | struct jme_adapter *jme = netdev_priv(netdev); |
d7699f87 | 2067 | u32 mc_hash[2] = {}; |
7ca9ebee | 2068 | #if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,33) |
d7699f87 | 2069 | int i; |
7ca9ebee | 2070 | #endif |
d7699f87 | 2071 | |
cd0ff491 | 2072 | spin_lock_bh(&jme->rxmcs_lock); |
8c198884 GFT |
2073 | |
2074 | jme->reg_rxmcs |= RXMCS_BRDFRAME | RXMCS_UNIFRAME; | |
d7699f87 | 2075 | |
cd0ff491 | 2076 | if (netdev->flags & IFF_PROMISC) { |
8c198884 | 2077 | jme->reg_rxmcs |= RXMCS_ALLFRAME; |
cd0ff491 | 2078 | } else if (netdev->flags & IFF_ALLMULTI) { |
8c198884 | 2079 | jme->reg_rxmcs |= RXMCS_ALLMULFRAME; |
cd0ff491 | 2080 | } else if (netdev->flags & IFF_MULTICAST) { |
8e14c278 | 2081 | #if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,34) |
3bf61c55 | 2082 | struct dev_mc_list *mclist; |
8e14c278 JP |
2083 | #else |
2084 | struct netdev_hw_addr *ha; | |
2085 | #endif | |
3bf61c55 | 2086 | int bit_nr; |
d7699f87 | 2087 | |
8c198884 | 2088 | jme->reg_rxmcs |= RXMCS_MULFRAME | RXMCS_MULFILTERED; |
7ca9ebee | 2089 | #if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,33) |
3bf61c55 GFT |
2090 | for (i = 0, mclist = netdev->mc_list; |
2091 | mclist && i < netdev->mc_count; | |
2092 | ++i, mclist = mclist->next) { | |
8e14c278 | 2093 | #elif LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,34) |
7ca9ebee | 2094 | netdev_for_each_mc_addr(mclist, netdev) { |
8e14c278 JP |
2095 | #else |
2096 | netdev_for_each_mc_addr(ha, netdev) { | |
7ca9ebee | 2097 | #endif |
8e14c278 | 2098 | #if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,34) |
cd0ff491 | 2099 | bit_nr = ether_crc(ETH_ALEN, mclist->dmi_addr) & 0x3F; |
8e14c278 JP |
2100 | #else |
2101 | bit_nr = ether_crc(ETH_ALEN, ha->addr) & 0x3F; | |
2102 | #endif | |
cd0ff491 GFT |
2103 | mc_hash[bit_nr >> 5] |= 1 << (bit_nr & 0x1F); |
2104 | } | |
d7699f87 | 2105 | |
4330c2f2 GFT |
2106 | jwrite32(jme, JME_RXMCHT_LO, mc_hash[0]); |
2107 | jwrite32(jme, JME_RXMCHT_HI, mc_hash[1]); | |
d7699f87 GFT |
2108 | } |
2109 | ||
d7699f87 | 2110 | wmb(); |
8c198884 GFT |
2111 | jwrite32(jme, JME_RXMCS, jme->reg_rxmcs); |
2112 | ||
cd0ff491 | 2113 | spin_unlock_bh(&jme->rxmcs_lock); |
d7699f87 GFT |
2114 | } |
2115 | ||
3bf61c55 | 2116 | static int |
8c198884 | 2117 | jme_change_mtu(struct net_device *netdev, int new_mtu) |
d7699f87 | 2118 | { |
cd0ff491 | 2119 | struct jme_adapter *jme = netdev_priv(netdev); |
79ce639c | 2120 | |
cd0ff491 | 2121 | if (new_mtu == jme->old_mtu) |
29bdd921 GFT |
2122 | return 0; |
2123 | ||
cd0ff491 GFT |
2124 | if (((new_mtu + ETH_HLEN) > MAX_ETHERNET_JUMBO_PACKET_SIZE) || |
2125 | ((new_mtu) < IPV6_MIN_MTU)) | |
2126 | return -EINVAL; | |
79ce639c | 2127 | |
cd0ff491 | 2128 | if (new_mtu > 4000) { |
79ce639c GFT |
2129 | jme->reg_rxcs &= ~RXCS_FIFOTHNP; |
2130 | jme->reg_rxcs |= RXCS_FIFOTHNP_64QW; | |
2131 | jme_restart_rx_engine(jme); | |
cd0ff491 | 2132 | } else { |
79ce639c GFT |
2133 | jme->reg_rxcs &= ~RXCS_FIFOTHNP; |
2134 | jme->reg_rxcs |= RXCS_FIFOTHNP_128QW; | |
2135 | jme_restart_rx_engine(jme); | |
2136 | } | |
2137 | ||
cd0ff491 | 2138 | if (new_mtu > 1900) { |
b3821cc5 | 2139 | netdev->features &= ~(NETIF_F_HW_CSUM | |
3b70a6fa GFT |
2140 | NETIF_F_TSO |
2141 | #ifdef NETIF_F_TSO6 | |
2142 | | NETIF_F_TSO6 | |
2143 | #endif | |
2144 | ); | |
cd0ff491 GFT |
2145 | } else { |
2146 | if (test_bit(JME_FLAG_TXCSUM, &jme->flags)) | |
b3821cc5 | 2147 | netdev->features |= NETIF_F_HW_CSUM; |
cd0ff491 | 2148 | if (test_bit(JME_FLAG_TSO, &jme->flags)) |
3b70a6fa GFT |
2149 | netdev->features |= NETIF_F_TSO |
2150 | #ifdef NETIF_F_TSO6 | |
2151 | | NETIF_F_TSO6 | |
2152 | #endif | |
2153 | ; | |
79ce639c GFT |
2154 | } |
2155 | ||
cd0ff491 GFT |
2156 | netdev->mtu = new_mtu; |
2157 | jme_reset_link(jme); | |
79ce639c GFT |
2158 | |
2159 | return 0; | |
d7699f87 GFT |
2160 | } |
2161 | ||
8c198884 GFT |
2162 | static void |
2163 | jme_tx_timeout(struct net_device *netdev) | |
2164 | { | |
cd0ff491 | 2165 | struct jme_adapter *jme = netdev_priv(netdev); |
8c198884 | 2166 | |
cdcdc9eb GFT |
2167 | jme->phylink = 0; |
2168 | jme_reset_phy_processor(jme); | |
cd0ff491 | 2169 | if (test_bit(JME_FLAG_SSET, &jme->flags)) |
cdcdc9eb GFT |
2170 | jme_set_settings(netdev, &jme->old_ecmd); |
2171 | ||
8c198884 | 2172 | /* |
cdcdc9eb | 2173 | * Force to Reset the link again |
8c198884 | 2174 | */ |
29bdd921 | 2175 | jme_reset_link(jme); |
8c198884 GFT |
2176 | } |
2177 | ||
1e5ebebc GFT |
2178 | static inline void jme_pause_rx(struct jme_adapter *jme) |
2179 | { | |
2180 | atomic_dec(&jme->link_changing); | |
2181 | ||
2182 | jme_set_rx_pcc(jme, PCC_OFF); | |
2183 | if (test_bit(JME_FLAG_POLL, &jme->flags)) { | |
2184 | JME_NAPI_DISABLE(jme); | |
2185 | } else { | |
2186 | tasklet_disable(&jme->rxclean_task); | |
2187 | tasklet_disable(&jme->rxempty_task); | |
2188 | } | |
2189 | } | |
2190 | ||
2191 | static inline void jme_resume_rx(struct jme_adapter *jme) | |
2192 | { | |
2193 | struct dynpcc_info *dpi = &(jme->dpi); | |
2194 | ||
2195 | if (test_bit(JME_FLAG_POLL, &jme->flags)) { | |
2196 | JME_NAPI_ENABLE(jme); | |
2197 | } else { | |
2198 | tasklet_hi_enable(&jme->rxclean_task); | |
2199 | tasklet_hi_enable(&jme->rxempty_task); | |
2200 | } | |
2201 | dpi->cur = PCC_P1; | |
2202 | dpi->attempt = PCC_P1; | |
2203 | dpi->cnt = 0; | |
2204 | jme_set_rx_pcc(jme, PCC_P1); | |
2205 | ||
2206 | atomic_inc(&jme->link_changing); | |
2207 | } | |
2208 | ||
42b1055e GFT |
2209 | static void |
2210 | jme_vlan_rx_register(struct net_device *netdev, struct vlan_group *grp) | |
2211 | { | |
2212 | struct jme_adapter *jme = netdev_priv(netdev); | |
2213 | ||
1e5ebebc | 2214 | jme_pause_rx(jme); |
42b1055e | 2215 | jme->vlgrp = grp; |
1e5ebebc | 2216 | jme_resume_rx(jme); |
42b1055e GFT |
2217 | } |
2218 | ||
7ca9ebee GFT |
2219 | #if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,21) |
2220 | static void | |
2221 | jme_vlan_rx_kill_vid(struct net_device *netdev, unsigned short vid) | |
2222 | { | |
2223 | struct jme_adapter *jme = netdev_priv(netdev); | |
2224 | ||
7ca9ebee | 2225 | if(jme->vlgrp) { |
1e5ebebc | 2226 | jme_pause_rx(jme); |
7ca9ebee GFT |
2227 | #if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,20) |
2228 | jme->vlgrp->vlan_devices[vid] = NULL; | |
2229 | #else | |
2230 | vlan_group_set_device(jme->vlgrp, vid, NULL); | |
2231 | #endif | |
1e5ebebc | 2232 | jme_resume_rx(jme); |
7ca9ebee | 2233 | } |
7ca9ebee GFT |
2234 | } |
2235 | #endif | |
2236 | ||
3bf61c55 GFT |
2237 | static void |
2238 | jme_get_drvinfo(struct net_device *netdev, | |
2239 | struct ethtool_drvinfo *info) | |
d7699f87 | 2240 | { |
cd0ff491 | 2241 | struct jme_adapter *jme = netdev_priv(netdev); |
d7699f87 | 2242 | |
cd0ff491 GFT |
2243 | strcpy(info->driver, DRV_NAME); |
2244 | strcpy(info->version, DRV_VERSION); | |
2245 | strcpy(info->bus_info, pci_name(jme->pdev)); | |
d7699f87 GFT |
2246 | } |
2247 | ||
8c198884 GFT |
2248 | static int |
2249 | jme_get_regs_len(struct net_device *netdev) | |
2250 | { | |
cd0ff491 | 2251 | return JME_REG_LEN; |
8c198884 GFT |
2252 | } |
2253 | ||
2254 | static void | |
cd0ff491 | 2255 | mmapio_memcpy(struct jme_adapter *jme, u32 *p, u32 reg, int len) |
8c198884 GFT |
2256 | { |
2257 | int i; | |
2258 | ||
cd0ff491 | 2259 | for (i = 0 ; i < len ; i += 4) |
79ce639c | 2260 | p[i >> 2] = jread32(jme, reg + i); |
186fc259 | 2261 | } |
8c198884 | 2262 | |
186fc259 | 2263 | static void |
cd0ff491 | 2264 | mdio_memcpy(struct jme_adapter *jme, u32 *p, int reg_nr) |
186fc259 GFT |
2265 | { |
2266 | int i; | |
cd0ff491 | 2267 | u16 *p16 = (u16 *)p; |
186fc259 | 2268 | |
cd0ff491 | 2269 | for (i = 0 ; i < reg_nr ; ++i) |
186fc259 | 2270 | p16[i] = jme_mdio_read(jme->dev, jme->mii_if.phy_id, i); |
8c198884 GFT |
2271 | } |
2272 | ||
2273 | static void | |
2274 | jme_get_regs(struct net_device *netdev, struct ethtool_regs *regs, void *p) | |
2275 | { | |
cd0ff491 GFT |
2276 | struct jme_adapter *jme = netdev_priv(netdev); |
2277 | u32 *p32 = (u32 *)p; | |
8c198884 | 2278 | |
186fc259 | 2279 | memset(p, 0xFF, JME_REG_LEN); |
8c198884 GFT |
2280 | |
2281 | regs->version = 1; | |
2282 | mmapio_memcpy(jme, p32, JME_MAC, JME_MAC_LEN); | |
2283 | ||
2284 | p32 += 0x100 >> 2; | |
2285 | mmapio_memcpy(jme, p32, JME_PHY, JME_PHY_LEN); | |
2286 | ||
2287 | p32 += 0x100 >> 2; | |
2288 | mmapio_memcpy(jme, p32, JME_MISC, JME_MISC_LEN); | |
2289 | ||
2290 | p32 += 0x100 >> 2; | |
2291 | mmapio_memcpy(jme, p32, JME_RSS, JME_RSS_LEN); | |
2292 | ||
186fc259 GFT |
2293 | p32 += 0x100 >> 2; |
2294 | mdio_memcpy(jme, p32, JME_PHY_REG_NR); | |
8c198884 GFT |
2295 | } |
2296 | ||
2297 | static int | |
2298 | jme_get_coalesce(struct net_device *netdev, struct ethtool_coalesce *ecmd) | |
2299 | { | |
2300 | struct jme_adapter *jme = netdev_priv(netdev); | |
2301 | ||
8c198884 GFT |
2302 | ecmd->tx_coalesce_usecs = PCC_TX_TO; |
2303 | ecmd->tx_max_coalesced_frames = PCC_TX_CNT; | |
2304 | ||
cd0ff491 | 2305 | if (test_bit(JME_FLAG_POLL, &jme->flags)) { |
cdcdc9eb GFT |
2306 | ecmd->use_adaptive_rx_coalesce = false; |
2307 | ecmd->rx_coalesce_usecs = 0; | |
2308 | ecmd->rx_max_coalesced_frames = 0; | |
2309 | return 0; | |
2310 | } | |
2311 | ||
2312 | ecmd->use_adaptive_rx_coalesce = true; | |
2313 | ||
cd0ff491 | 2314 | switch (jme->dpi.cur) { |
8c198884 GFT |
2315 | case PCC_P1: |
2316 | ecmd->rx_coalesce_usecs = PCC_P1_TO; | |
2317 | ecmd->rx_max_coalesced_frames = PCC_P1_CNT; | |
2318 | break; | |
2319 | case PCC_P2: | |
2320 | ecmd->rx_coalesce_usecs = PCC_P2_TO; | |
2321 | ecmd->rx_max_coalesced_frames = PCC_P2_CNT; | |
2322 | break; | |
2323 | case PCC_P3: | |
2324 | ecmd->rx_coalesce_usecs = PCC_P3_TO; | |
2325 | ecmd->rx_max_coalesced_frames = PCC_P3_CNT; | |
2326 | break; | |
2327 | default: | |
2328 | break; | |
2329 | } | |
2330 | ||
2331 | return 0; | |
2332 | } | |
2333 | ||
192570e0 GFT |
2334 | static int |
2335 | jme_set_coalesce(struct net_device *netdev, struct ethtool_coalesce *ecmd) | |
2336 | { | |
2337 | struct jme_adapter *jme = netdev_priv(netdev); | |
2338 | struct dynpcc_info *dpi = &(jme->dpi); | |
2339 | ||
cd0ff491 | 2340 | if (netif_running(netdev)) |
cdcdc9eb GFT |
2341 | return -EBUSY; |
2342 | ||
7ca9ebee GFT |
2343 | if (ecmd->use_adaptive_rx_coalesce && |
2344 | test_bit(JME_FLAG_POLL, &jme->flags)) { | |
cd0ff491 | 2345 | clear_bit(JME_FLAG_POLL, &jme->flags); |
cdcdc9eb GFT |
2346 | jme->jme_rx = netif_rx; |
2347 | jme->jme_vlan_rx = vlan_hwaccel_rx; | |
192570e0 GFT |
2348 | dpi->cur = PCC_P1; |
2349 | dpi->attempt = PCC_P1; | |
2350 | dpi->cnt = 0; | |
2351 | jme_set_rx_pcc(jme, PCC_P1); | |
2352 | jme_interrupt_mode(jme); | |
7ca9ebee GFT |
2353 | } else if (!(ecmd->use_adaptive_rx_coalesce) && |
2354 | !(test_bit(JME_FLAG_POLL, &jme->flags))) { | |
cd0ff491 | 2355 | set_bit(JME_FLAG_POLL, &jme->flags); |
cdcdc9eb GFT |
2356 | jme->jme_rx = netif_receive_skb; |
2357 | jme->jme_vlan_rx = vlan_hwaccel_receive_skb; | |
192570e0 GFT |
2358 | jme_interrupt_mode(jme); |
2359 | } | |
2360 | ||
2361 | return 0; | |
2362 | } | |
2363 | ||
8c198884 GFT |
2364 | static void |
2365 | jme_get_pauseparam(struct net_device *netdev, | |
2366 | struct ethtool_pauseparam *ecmd) | |
2367 | { | |
2368 | struct jme_adapter *jme = netdev_priv(netdev); | |
cd0ff491 | 2369 | u32 val; |
8c198884 GFT |
2370 | |
2371 | ecmd->tx_pause = (jme->reg_txpfc & TXPFC_PF_EN) != 0; | |
2372 | ecmd->rx_pause = (jme->reg_rxmcs & RXMCS_FLOWCTRL) != 0; | |
2373 | ||
cd0ff491 GFT |
2374 | spin_lock_bh(&jme->phy_lock); |
2375 | val = jme_mdio_read(jme->dev, jme->mii_if.phy_id, MII_ADVERTISE); | |
2376 | spin_unlock_bh(&jme->phy_lock); | |
b3821cc5 GFT |
2377 | |
2378 | ecmd->autoneg = | |
2379 | (val & (ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM)) != 0; | |
8c198884 GFT |
2380 | } |
2381 | ||
2382 | static int | |
2383 | jme_set_pauseparam(struct net_device *netdev, | |
2384 | struct ethtool_pauseparam *ecmd) | |
2385 | { | |
2386 | struct jme_adapter *jme = netdev_priv(netdev); | |
cd0ff491 | 2387 | u32 val; |
8c198884 | 2388 | |
cd0ff491 | 2389 | if (((jme->reg_txpfc & TXPFC_PF_EN) != 0) ^ |
8c198884 GFT |
2390 | (ecmd->tx_pause != 0)) { |
2391 | ||
cd0ff491 | 2392 | if (ecmd->tx_pause) |
8c198884 GFT |
2393 | jme->reg_txpfc |= TXPFC_PF_EN; |
2394 | else | |
2395 | jme->reg_txpfc &= ~TXPFC_PF_EN; | |
2396 | ||
2397 | jwrite32(jme, JME_TXPFC, jme->reg_txpfc); | |
2398 | } | |
2399 | ||
cd0ff491 GFT |
2400 | spin_lock_bh(&jme->rxmcs_lock); |
2401 | if (((jme->reg_rxmcs & RXMCS_FLOWCTRL) != 0) ^ | |
8c198884 GFT |
2402 | (ecmd->rx_pause != 0)) { |
2403 | ||
cd0ff491 | 2404 | if (ecmd->rx_pause) |
8c198884 GFT |
2405 | jme->reg_rxmcs |= RXMCS_FLOWCTRL; |
2406 | else | |
2407 | jme->reg_rxmcs &= ~RXMCS_FLOWCTRL; | |
2408 | ||
2409 | jwrite32(jme, JME_RXMCS, jme->reg_rxmcs); | |
2410 | } | |
cd0ff491 | 2411 | spin_unlock_bh(&jme->rxmcs_lock); |
8c198884 | 2412 | |
cd0ff491 GFT |
2413 | spin_lock_bh(&jme->phy_lock); |
2414 | val = jme_mdio_read(jme->dev, jme->mii_if.phy_id, MII_ADVERTISE); | |
2415 | if (((val & (ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM)) != 0) ^ | |
8c198884 GFT |
2416 | (ecmd->autoneg != 0)) { |
2417 | ||
cd0ff491 | 2418 | if (ecmd->autoneg) |
8c198884 GFT |
2419 | val |= (ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM); |
2420 | else | |
2421 | val &= ~(ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM); | |
2422 | ||
b3821cc5 GFT |
2423 | jme_mdio_write(jme->dev, jme->mii_if.phy_id, |
2424 | MII_ADVERTISE, val); | |
8c198884 | 2425 | } |
cd0ff491 | 2426 | spin_unlock_bh(&jme->phy_lock); |
8c198884 GFT |
2427 | |
2428 | return 0; | |
2429 | } | |
2430 | ||
29bdd921 GFT |
2431 | static void |
2432 | jme_get_wol(struct net_device *netdev, | |
2433 | struct ethtool_wolinfo *wol) | |
2434 | { | |
2435 | struct jme_adapter *jme = netdev_priv(netdev); | |
2436 | ||
2437 | wol->supported = WAKE_MAGIC | WAKE_PHY; | |
2438 | ||
2439 | wol->wolopts = 0; | |
2440 | ||
cd0ff491 | 2441 | if (jme->reg_pmcs & (PMCS_LFEN | PMCS_LREN)) |
29bdd921 GFT |
2442 | wol->wolopts |= WAKE_PHY; |
2443 | ||
cd0ff491 | 2444 | if (jme->reg_pmcs & PMCS_MFEN) |
29bdd921 GFT |
2445 | wol->wolopts |= WAKE_MAGIC; |
2446 | ||
2447 | } | |
2448 | ||
2449 | static int | |
2450 | jme_set_wol(struct net_device *netdev, | |
2451 | struct ethtool_wolinfo *wol) | |
2452 | { | |
2453 | struct jme_adapter *jme = netdev_priv(netdev); | |
2454 | ||
cd0ff491 | 2455 | if (wol->wolopts & (WAKE_MAGICSECURE | |
29bdd921 GFT |
2456 | WAKE_UCAST | |
2457 | WAKE_MCAST | | |
2458 | WAKE_BCAST | | |
2459 | WAKE_ARP)) | |
2460 | return -EOPNOTSUPP; | |
2461 | ||
2462 | jme->reg_pmcs = 0; | |
2463 | ||
cd0ff491 | 2464 | if (wol->wolopts & WAKE_PHY) |
29bdd921 GFT |
2465 | jme->reg_pmcs |= PMCS_LFEN | PMCS_LREN; |
2466 | ||
cd0ff491 | 2467 | if (wol->wolopts & WAKE_MAGIC) |
29bdd921 GFT |
2468 | jme->reg_pmcs |= PMCS_MFEN; |
2469 | ||
cd0ff491 | 2470 | jwrite32(jme, JME_PMCS, jme->reg_pmcs); |
42b1055e | 2471 | |
29bdd921 GFT |
2472 | return 0; |
2473 | } | |
b3821cc5 | 2474 | |
3bf61c55 GFT |
2475 | static int |
2476 | jme_get_settings(struct net_device *netdev, | |
2477 | struct ethtool_cmd *ecmd) | |
d7699f87 GFT |
2478 | { |
2479 | struct jme_adapter *jme = netdev_priv(netdev); | |
2480 | int rc; | |
8c198884 | 2481 | |
cd0ff491 | 2482 | spin_lock_bh(&jme->phy_lock); |
d7699f87 | 2483 | rc = mii_ethtool_gset(&(jme->mii_if), ecmd); |
cd0ff491 | 2484 | spin_unlock_bh(&jme->phy_lock); |
d7699f87 GFT |
2485 | return rc; |
2486 | } | |
2487 | ||
3bf61c55 GFT |
2488 | static int |
2489 | jme_set_settings(struct net_device *netdev, | |
2490 | struct ethtool_cmd *ecmd) | |
d7699f87 GFT |
2491 | { |
2492 | struct jme_adapter *jme = netdev_priv(netdev); | |
cd0ff491 | 2493 | int rc, fdc = 0; |
fcf45b4c | 2494 | |
cd0ff491 | 2495 | if (ecmd->speed == SPEED_1000 && ecmd->autoneg != AUTONEG_ENABLE) |
8c198884 GFT |
2496 | return -EINVAL; |
2497 | ||
e6b41b51 GFT |
2498 | /* |
2499 | * Check If user changed duplex only while force_media. | |
2500 | * Hardware would not generate link change interrupt. | |
2501 | */ | |
cd0ff491 | 2502 | if (jme->mii_if.force_media && |
79ce639c GFT |
2503 | ecmd->autoneg != AUTONEG_ENABLE && |
2504 | (jme->mii_if.full_duplex != ecmd->duplex)) | |
2505 | fdc = 1; | |
2506 | ||
cd0ff491 | 2507 | spin_lock_bh(&jme->phy_lock); |
d7699f87 | 2508 | rc = mii_ethtool_sset(&(jme->mii_if), ecmd); |
cd0ff491 | 2509 | spin_unlock_bh(&jme->phy_lock); |
fcf45b4c | 2510 | |
cd0ff491 | 2511 | if (!rc) { |
e6b41b51 GFT |
2512 | if (fdc) |
2513 | jme_reset_link(jme); | |
29bdd921 | 2514 | jme->old_ecmd = *ecmd; |
aa1e7189 GFT |
2515 | set_bit(JME_FLAG_SSET, &jme->flags); |
2516 | } | |
2517 | ||
2518 | return rc; | |
2519 | } | |
2520 | ||
2521 | static int | |
2522 | jme_ioctl(struct net_device *netdev, struct ifreq *rq, int cmd) | |
2523 | { | |
2524 | int rc; | |
2525 | struct jme_adapter *jme = netdev_priv(netdev); | |
2526 | struct mii_ioctl_data *mii_data = if_mii(rq); | |
2527 | unsigned int duplex_chg; | |
2528 | ||
2529 | if (cmd == SIOCSMIIREG) { | |
2530 | u16 val = mii_data->val_in; | |
2531 | if (!(val & (BMCR_RESET|BMCR_ANENABLE)) && | |
2532 | (val & BMCR_SPEED1000)) | |
2533 | return -EINVAL; | |
2534 | } | |
2535 | ||
2536 | spin_lock_bh(&jme->phy_lock); | |
2537 | rc = generic_mii_ioctl(&jme->mii_if, mii_data, cmd, &duplex_chg); | |
2538 | spin_unlock_bh(&jme->phy_lock); | |
2539 | ||
2540 | if (!rc && (cmd == SIOCSMIIREG)) { | |
2541 | if (duplex_chg) | |
2542 | jme_reset_link(jme); | |
2543 | jme_get_settings(netdev, &jme->old_ecmd); | |
2544 | set_bit(JME_FLAG_SSET, &jme->flags); | |
29bdd921 GFT |
2545 | } |
2546 | ||
d7699f87 GFT |
2547 | return rc; |
2548 | } | |
2549 | ||
cd0ff491 | 2550 | static u32 |
3bf61c55 GFT |
2551 | jme_get_link(struct net_device *netdev) |
2552 | { | |
d7699f87 GFT |
2553 | struct jme_adapter *jme = netdev_priv(netdev); |
2554 | return jread32(jme, JME_PHY_LINK) & PHY_LINK_UP; | |
2555 | } | |
2556 | ||
8c198884 | 2557 | static u32 |
cd0ff491 GFT |
2558 | jme_get_msglevel(struct net_device *netdev) |
2559 | { | |
2560 | struct jme_adapter *jme = netdev_priv(netdev); | |
2561 | return jme->msg_enable; | |
2562 | } | |
2563 | ||
2564 | static void | |
2565 | jme_set_msglevel(struct net_device *netdev, u32 value) | |
8c198884 | 2566 | { |
cd0ff491 GFT |
2567 | struct jme_adapter *jme = netdev_priv(netdev); |
2568 | jme->msg_enable = value; | |
2569 | } | |
8c198884 | 2570 | |
cd0ff491 GFT |
2571 | static u32 |
2572 | jme_get_rx_csum(struct net_device *netdev) | |
2573 | { | |
2574 | struct jme_adapter *jme = netdev_priv(netdev); | |
8c198884 GFT |
2575 | return jme->reg_rxmcs & RXMCS_CHECKSUM; |
2576 | } | |
2577 | ||
2578 | static int | |
2579 | jme_set_rx_csum(struct net_device *netdev, u32 on) | |
2580 | { | |
cd0ff491 | 2581 | struct jme_adapter *jme = netdev_priv(netdev); |
b3821cc5 | 2582 | |
cd0ff491 GFT |
2583 | spin_lock_bh(&jme->rxmcs_lock); |
2584 | if (on) | |
8c198884 GFT |
2585 | jme->reg_rxmcs |= RXMCS_CHECKSUM; |
2586 | else | |
2587 | jme->reg_rxmcs &= ~RXMCS_CHECKSUM; | |
2588 | jwrite32(jme, JME_RXMCS, jme->reg_rxmcs); | |
cd0ff491 | 2589 | spin_unlock_bh(&jme->rxmcs_lock); |
8c198884 GFT |
2590 | |
2591 | return 0; | |
2592 | } | |
2593 | ||
2594 | static int | |
2595 | jme_set_tx_csum(struct net_device *netdev, u32 on) | |
2596 | { | |
cd0ff491 | 2597 | struct jme_adapter *jme = netdev_priv(netdev); |
b3821cc5 | 2598 | |
cd0ff491 GFT |
2599 | if (on) { |
2600 | set_bit(JME_FLAG_TXCSUM, &jme->flags); | |
2601 | if (netdev->mtu <= 1900) | |
b3821cc5 | 2602 | netdev->features |= NETIF_F_HW_CSUM; |
cd0ff491 GFT |
2603 | } else { |
2604 | clear_bit(JME_FLAG_TXCSUM, &jme->flags); | |
8c198884 | 2605 | netdev->features &= ~NETIF_F_HW_CSUM; |
b3821cc5 | 2606 | } |
8c198884 GFT |
2607 | |
2608 | return 0; | |
2609 | } | |
2610 | ||
b3821cc5 GFT |
2611 | static int |
2612 | jme_set_tso(struct net_device *netdev, u32 on) | |
2613 | { | |
cd0ff491 | 2614 | struct jme_adapter *jme = netdev_priv(netdev); |
b3821cc5 | 2615 | |
cd0ff491 GFT |
2616 | if (on) { |
2617 | set_bit(JME_FLAG_TSO, &jme->flags); | |
2618 | if (netdev->mtu <= 1900) | |
3b70a6fa GFT |
2619 | netdev->features |= NETIF_F_TSO |
2620 | #ifdef NETIF_F_TSO6 | |
2621 | | NETIF_F_TSO6 | |
2622 | #endif | |
2623 | ; | |
cd0ff491 GFT |
2624 | } else { |
2625 | clear_bit(JME_FLAG_TSO, &jme->flags); | |
3b70a6fa GFT |
2626 | netdev->features &= ~(NETIF_F_TSO |
2627 | #ifdef NETIF_F_TSO6 | |
2628 | | NETIF_F_TSO6 | |
2629 | #endif | |
2630 | ); | |
b3821cc5 GFT |
2631 | } |
2632 | ||
cd0ff491 | 2633 | return 0; |
b3821cc5 GFT |
2634 | } |
2635 | ||
8c198884 GFT |
2636 | static int |
2637 | jme_nway_reset(struct net_device *netdev) | |
2638 | { | |
cd0ff491 | 2639 | struct jme_adapter *jme = netdev_priv(netdev); |
8c198884 GFT |
2640 | jme_restart_an(jme); |
2641 | return 0; | |
2642 | } | |
2643 | ||
cd0ff491 | 2644 | static u8 |
186fc259 GFT |
2645 | jme_smb_read(struct jme_adapter *jme, unsigned int addr) |
2646 | { | |
cd0ff491 | 2647 | u32 val; |
186fc259 GFT |
2648 | int to; |
2649 | ||
2650 | val = jread32(jme, JME_SMBCSR); | |
2651 | to = JME_SMB_BUSY_TIMEOUT; | |
cd0ff491 | 2652 | while ((val & SMBCSR_BUSY) && --to) { |
186fc259 GFT |
2653 | msleep(1); |
2654 | val = jread32(jme, JME_SMBCSR); | |
2655 | } | |
cd0ff491 | 2656 | if (!to) { |
937ef75a | 2657 | netif_err(jme, hw, jme->dev, "SMB Bus Busy\n"); |
186fc259 GFT |
2658 | return 0xFF; |
2659 | } | |
2660 | ||
2661 | jwrite32(jme, JME_SMBINTF, | |
2662 | ((addr << SMBINTF_HWADDR_SHIFT) & SMBINTF_HWADDR) | | |
2663 | SMBINTF_HWRWN_READ | | |
2664 | SMBINTF_HWCMD); | |
2665 | ||
2666 | val = jread32(jme, JME_SMBINTF); | |
2667 | to = JME_SMB_BUSY_TIMEOUT; | |
cd0ff491 | 2668 | while ((val & SMBINTF_HWCMD) && --to) { |
186fc259 GFT |
2669 | msleep(1); |
2670 | val = jread32(jme, JME_SMBINTF); | |
2671 | } | |
cd0ff491 | 2672 | if (!to) { |
937ef75a | 2673 | netif_err(jme, hw, jme->dev, "SMB Bus Busy\n"); |
186fc259 GFT |
2674 | return 0xFF; |
2675 | } | |
2676 | ||
2677 | return (val & SMBINTF_HWDATR) >> SMBINTF_HWDATR_SHIFT; | |
2678 | } | |
2679 | ||
2680 | static void | |
cd0ff491 | 2681 | jme_smb_write(struct jme_adapter *jme, unsigned int addr, u8 data) |
186fc259 | 2682 | { |
cd0ff491 | 2683 | u32 val; |
186fc259 GFT |
2684 | int to; |
2685 | ||
2686 | val = jread32(jme, JME_SMBCSR); | |
2687 | to = JME_SMB_BUSY_TIMEOUT; | |
cd0ff491 | 2688 | while ((val & SMBCSR_BUSY) && --to) { |
186fc259 GFT |
2689 | msleep(1); |
2690 | val = jread32(jme, JME_SMBCSR); | |
2691 | } | |
cd0ff491 | 2692 | if (!to) { |
937ef75a | 2693 | netif_err(jme, hw, jme->dev, "SMB Bus Busy\n"); |
186fc259 GFT |
2694 | return; |
2695 | } | |
2696 | ||
2697 | jwrite32(jme, JME_SMBINTF, | |
2698 | ((data << SMBINTF_HWDATW_SHIFT) & SMBINTF_HWDATW) | | |
2699 | ((addr << SMBINTF_HWADDR_SHIFT) & SMBINTF_HWADDR) | | |
2700 | SMBINTF_HWRWN_WRITE | | |
2701 | SMBINTF_HWCMD); | |
2702 | ||
2703 | val = jread32(jme, JME_SMBINTF); | |
2704 | to = JME_SMB_BUSY_TIMEOUT; | |
cd0ff491 | 2705 | while ((val & SMBINTF_HWCMD) && --to) { |
186fc259 GFT |
2706 | msleep(1); |
2707 | val = jread32(jme, JME_SMBINTF); | |
2708 | } | |
cd0ff491 | 2709 | if (!to) { |
937ef75a | 2710 | netif_err(jme, hw, jme->dev, "SMB Bus Busy\n"); |
186fc259 GFT |
2711 | return; |
2712 | } | |
2713 | ||
2714 | mdelay(2); | |
2715 | } | |
2716 | ||
2717 | static int | |
2718 | jme_get_eeprom_len(struct net_device *netdev) | |
2719 | { | |
cd0ff491 GFT |
2720 | struct jme_adapter *jme = netdev_priv(netdev); |
2721 | u32 val; | |
186fc259 | 2722 | val = jread32(jme, JME_SMBCSR); |
cd0ff491 | 2723 | return (val & SMBCSR_EEPROMD) ? JME_SMB_LEN : 0; |
186fc259 GFT |
2724 | } |
2725 | ||
2726 | static int | |
2727 | jme_get_eeprom(struct net_device *netdev, | |
2728 | struct ethtool_eeprom *eeprom, u8 *data) | |
2729 | { | |
cd0ff491 | 2730 | struct jme_adapter *jme = netdev_priv(netdev); |
186fc259 GFT |
2731 | int i, offset = eeprom->offset, len = eeprom->len; |
2732 | ||
2733 | /* | |
8d27293f | 2734 | * ethtool will check the boundary for us |
186fc259 GFT |
2735 | */ |
2736 | eeprom->magic = JME_EEPROM_MAGIC; | |
cd0ff491 | 2737 | for (i = 0 ; i < len ; ++i) |
186fc259 GFT |
2738 | data[i] = jme_smb_read(jme, i + offset); |
2739 | ||
2740 | return 0; | |
2741 | } | |
2742 | ||
2743 | static int | |
2744 | jme_set_eeprom(struct net_device *netdev, | |
2745 | struct ethtool_eeprom *eeprom, u8 *data) | |
2746 | { | |
cd0ff491 | 2747 | struct jme_adapter *jme = netdev_priv(netdev); |
186fc259 GFT |
2748 | int i, offset = eeprom->offset, len = eeprom->len; |
2749 | ||
2750 | if (eeprom->magic != JME_EEPROM_MAGIC) | |
2751 | return -EINVAL; | |
2752 | ||
2753 | /* | |
8d27293f | 2754 | * ethtool will check the boundary for us |
186fc259 | 2755 | */ |
cd0ff491 | 2756 | for (i = 0 ; i < len ; ++i) |
186fc259 GFT |
2757 | jme_smb_write(jme, i + offset, data[i]); |
2758 | ||
2759 | return 0; | |
2760 | } | |
2761 | ||
3b70a6fa GFT |
2762 | #if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,18) |
2763 | static struct ethtool_ops jme_ethtool_ops = { | |
2764 | #else | |
d7699f87 | 2765 | static const struct ethtool_ops jme_ethtool_ops = { |
3b70a6fa | 2766 | #endif |
cd0ff491 | 2767 | .get_drvinfo = jme_get_drvinfo, |
8c198884 GFT |
2768 | .get_regs_len = jme_get_regs_len, |
2769 | .get_regs = jme_get_regs, | |
2770 | .get_coalesce = jme_get_coalesce, | |
192570e0 | 2771 | .set_coalesce = jme_set_coalesce, |
cd0ff491 GFT |
2772 | .get_pauseparam = jme_get_pauseparam, |
2773 | .set_pauseparam = jme_set_pauseparam, | |
29bdd921 GFT |
2774 | .get_wol = jme_get_wol, |
2775 | .set_wol = jme_set_wol, | |
d7699f87 GFT |
2776 | .get_settings = jme_get_settings, |
2777 | .set_settings = jme_set_settings, | |
2778 | .get_link = jme_get_link, | |
cd0ff491 GFT |
2779 | .get_msglevel = jme_get_msglevel, |
2780 | .set_msglevel = jme_set_msglevel, | |
8c198884 GFT |
2781 | .get_rx_csum = jme_get_rx_csum, |
2782 | .set_rx_csum = jme_set_rx_csum, | |
2783 | .set_tx_csum = jme_set_tx_csum, | |
b3821cc5 GFT |
2784 | .set_tso = jme_set_tso, |
2785 | .set_sg = ethtool_op_set_sg, | |
8c198884 | 2786 | .nway_reset = jme_nway_reset, |
186fc259 GFT |
2787 | .get_eeprom_len = jme_get_eeprom_len, |
2788 | .get_eeprom = jme_get_eeprom, | |
2789 | .set_eeprom = jme_set_eeprom, | |
d7699f87 GFT |
2790 | }; |
2791 | ||
3bf61c55 GFT |
2792 | static int |
2793 | jme_pci_dma64(struct pci_dev *pdev) | |
d7699f87 | 2794 | { |
3b70a6fa | 2795 | if (pdev->device == PCI_DEVICE_ID_JMICRON_JMC250 && |
0ede469c GFT |
2796 | #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,29) |
2797 | !pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) | |
2798 | #else | |
2799 | !pci_set_dma_mask(pdev, DMA_64BIT_MASK) | |
2800 | #endif | |
2801 | ) | |
2802 | #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,29) | |
2803 | if (!pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64))) | |
2804 | #else | |
cd0ff491 | 2805 | if (!pci_set_consistent_dma_mask(pdev, DMA_64BIT_MASK)) |
0ede469c | 2806 | #endif |
3bf61c55 GFT |
2807 | return 1; |
2808 | ||
3b70a6fa | 2809 | if (pdev->device == PCI_DEVICE_ID_JMICRON_JMC250 && |
0ede469c GFT |
2810 | #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,29) |
2811 | !pci_set_dma_mask(pdev, DMA_BIT_MASK(40)) | |
2812 | #else | |
2813 | !pci_set_dma_mask(pdev, DMA_40BIT_MASK) | |
2814 | #endif | |
2815 | ) | |
2816 | #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,29) | |
2817 | if (!pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(40))) | |
2818 | #else | |
cd0ff491 | 2819 | if (!pci_set_consistent_dma_mask(pdev, DMA_40BIT_MASK)) |
0ede469c | 2820 | #endif |
8c198884 GFT |
2821 | return 1; |
2822 | ||
0ede469c GFT |
2823 | #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,29) |
2824 | if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32))) | |
2825 | if (!pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32))) | |
2826 | #else | |
cd0ff491 GFT |
2827 | if (!pci_set_dma_mask(pdev, DMA_32BIT_MASK)) |
2828 | if (!pci_set_consistent_dma_mask(pdev, DMA_32BIT_MASK)) | |
0ede469c | 2829 | #endif |
3bf61c55 GFT |
2830 | return 0; |
2831 | ||
2832 | return -1; | |
2833 | } | |
2834 | ||
cd0ff491 | 2835 | static inline void |
cdcdc9eb GFT |
2836 | jme_phy_init(struct jme_adapter *jme) |
2837 | { | |
cd0ff491 | 2838 | u16 reg26; |
cdcdc9eb GFT |
2839 | |
2840 | reg26 = jme_mdio_read(jme->dev, jme->mii_if.phy_id, 26); | |
2841 | jme_mdio_write(jme->dev, jme->mii_if.phy_id, 26, reg26 | 0x1000); | |
2842 | } | |
2843 | ||
cd0ff491 | 2844 | static inline void |
cdcdc9eb | 2845 | jme_check_hw_ver(struct jme_adapter *jme) |
42b1055e | 2846 | { |
cd0ff491 | 2847 | u32 chipmode; |
cdcdc9eb GFT |
2848 | |
2849 | chipmode = jread32(jme, JME_CHIPMODE); | |
2850 | ||
2851 | jme->fpgaver = (chipmode & CM_FPGAVER_MASK) >> CM_FPGAVER_SHIFT; | |
58c92f28 | 2852 | jme->chiprev = (chipmode & CM_CHIPREV_MASK) >> CM_CHIPREV_SHIFT; |
42b1055e GFT |
2853 | } |
2854 | ||
3b70a6fa GFT |
2855 | #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,29) |
2856 | static const struct net_device_ops jme_netdev_ops = { | |
2857 | .ndo_open = jme_open, | |
2858 | .ndo_stop = jme_close, | |
2859 | .ndo_validate_addr = eth_validate_addr, | |
aa1e7189 | 2860 | .ndo_do_ioctl = jme_ioctl, |
3b70a6fa GFT |
2861 | .ndo_start_xmit = jme_start_xmit, |
2862 | .ndo_set_mac_address = jme_set_macaddr, | |
2863 | .ndo_set_multicast_list = jme_set_multi, | |
2864 | .ndo_change_mtu = jme_change_mtu, | |
2865 | .ndo_tx_timeout = jme_tx_timeout, | |
2866 | .ndo_vlan_rx_register = jme_vlan_rx_register, | |
2867 | }; | |
2868 | #endif | |
2869 | ||
3bf61c55 GFT |
2870 | static int __devinit |
2871 | jme_init_one(struct pci_dev *pdev, | |
2872 | const struct pci_device_id *ent) | |
2873 | { | |
cdcdc9eb | 2874 | int rc = 0, using_dac, i; |
d7699f87 GFT |
2875 | struct net_device *netdev; |
2876 | struct jme_adapter *jme; | |
cd0ff491 GFT |
2877 | u16 bmcr, bmsr; |
2878 | u32 apmc; | |
d7699f87 GFT |
2879 | |
2880 | /* | |
2881 | * set up PCI device basics | |
2882 | */ | |
4330c2f2 | 2883 | rc = pci_enable_device(pdev); |
cd0ff491 | 2884 | if (rc) { |
937ef75a | 2885 | pr_err("Cannot enable PCI device\n"); |
4330c2f2 GFT |
2886 | goto err_out; |
2887 | } | |
d7699f87 | 2888 | |
3bf61c55 | 2889 | using_dac = jme_pci_dma64(pdev); |
cd0ff491 | 2890 | if (using_dac < 0) { |
937ef75a | 2891 | pr_err("Cannot set PCI DMA Mask\n"); |
3bf61c55 GFT |
2892 | rc = -EIO; |
2893 | goto err_out_disable_pdev; | |
2894 | } | |
2895 | ||
cd0ff491 | 2896 | if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) { |
937ef75a | 2897 | pr_err("No PCI resource region found\n"); |
4330c2f2 GFT |
2898 | rc = -ENOMEM; |
2899 | goto err_out_disable_pdev; | |
2900 | } | |
d7699f87 | 2901 | |
4330c2f2 | 2902 | rc = pci_request_regions(pdev, DRV_NAME); |
cd0ff491 | 2903 | if (rc) { |
937ef75a | 2904 | pr_err("Cannot obtain PCI resource region\n"); |
4330c2f2 GFT |
2905 | goto err_out_disable_pdev; |
2906 | } | |
d7699f87 GFT |
2907 | |
2908 | pci_set_master(pdev); | |
2909 | ||
2910 | /* | |
2911 | * alloc and init net device | |
2912 | */ | |
3bf61c55 | 2913 | netdev = alloc_etherdev(sizeof(*jme)); |
cd0ff491 | 2914 | if (!netdev) { |
937ef75a | 2915 | pr_err("Cannot allocate netdev structure\n"); |
4330c2f2 GFT |
2916 | rc = -ENOMEM; |
2917 | goto err_out_release_regions; | |
d7699f87 | 2918 | } |
3b70a6fa GFT |
2919 | #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,29) |
2920 | netdev->netdev_ops = &jme_netdev_ops; | |
2921 | #else | |
d7699f87 GFT |
2922 | netdev->open = jme_open; |
2923 | netdev->stop = jme_close; | |
aa1e7189 | 2924 | netdev->do_ioctl = jme_ioctl; |
d7699f87 | 2925 | netdev->hard_start_xmit = jme_start_xmit; |
d7699f87 GFT |
2926 | netdev->set_mac_address = jme_set_macaddr; |
2927 | netdev->set_multicast_list = jme_set_multi; | |
2928 | netdev->change_mtu = jme_change_mtu; | |
8c198884 | 2929 | netdev->tx_timeout = jme_tx_timeout; |
42b1055e | 2930 | netdev->vlan_rx_register = jme_vlan_rx_register; |
7ca9ebee GFT |
2931 | #if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,21) |
2932 | netdev->vlan_rx_kill_vid = jme_vlan_rx_kill_vid; | |
2933 | #endif | |
3bf61c55 | 2934 | NETDEV_GET_STATS(netdev, &jme_get_stats); |
3b70a6fa GFT |
2935 | #endif |
2936 | netdev->ethtool_ops = &jme_ethtool_ops; | |
2937 | netdev->watchdog_timeo = TX_TIMEOUT; | |
42b1055e | 2938 | netdev->features = NETIF_F_HW_CSUM | |
b3821cc5 GFT |
2939 | NETIF_F_SG | |
2940 | NETIF_F_TSO | | |
3b70a6fa | 2941 | #ifdef NETIF_F_TSO6 |
b3821cc5 | 2942 | NETIF_F_TSO6 | |
3b70a6fa | 2943 | #endif |
42b1055e GFT |
2944 | NETIF_F_HW_VLAN_TX | |
2945 | NETIF_F_HW_VLAN_RX; | |
cd0ff491 | 2946 | if (using_dac) |
8c198884 | 2947 | netdev->features |= NETIF_F_HIGHDMA; |
d7699f87 GFT |
2948 | |
2949 | SET_NETDEV_DEV(netdev, &pdev->dev); | |
2950 | pci_set_drvdata(pdev, netdev); | |
2951 | ||
2952 | /* | |
2953 | * init adapter info | |
2954 | */ | |
2955 | jme = netdev_priv(netdev); | |
2956 | jme->pdev = pdev; | |
2957 | jme->dev = netdev; | |
cdcdc9eb GFT |
2958 | jme->jme_rx = netif_rx; |
2959 | jme->jme_vlan_rx = vlan_hwaccel_rx; | |
29bdd921 | 2960 | jme->old_mtu = netdev->mtu = 1500; |
fcf45b4c | 2961 | jme->phylink = 0; |
b3821cc5 | 2962 | jme->tx_ring_size = 1 << 10; |
0ede469c | 2963 | jme->tx_ring_mask = jme->tx_ring_size - 1; |
b3821cc5 GFT |
2964 | jme->tx_wake_threshold = 1 << 9; |
2965 | jme->rx_ring_size = 1 << 9; | |
2966 | jme->rx_ring_mask = jme->rx_ring_size - 1; | |
cd0ff491 | 2967 | jme->msg_enable = JME_DEF_MSG_ENABLE; |
d7699f87 GFT |
2968 | jme->regs = ioremap(pci_resource_start(pdev, 0), |
2969 | pci_resource_len(pdev, 0)); | |
4330c2f2 | 2970 | if (!(jme->regs)) { |
937ef75a | 2971 | pr_err("Mapping PCI resource region error\n"); |
d7699f87 GFT |
2972 | rc = -ENOMEM; |
2973 | goto err_out_free_netdev; | |
2974 | } | |
4330c2f2 | 2975 | |
cd0ff491 GFT |
2976 | if (no_pseudohp) { |
2977 | apmc = jread32(jme, JME_APMC) & ~JME_APMC_PSEUDO_HP_EN; | |
2978 | jwrite32(jme, JME_APMC, apmc); | |
2979 | } else if (force_pseudohp) { | |
2980 | apmc = jread32(jme, JME_APMC) | JME_APMC_PSEUDO_HP_EN; | |
2981 | jwrite32(jme, JME_APMC, apmc); | |
2982 | } | |
2983 | ||
cdcdc9eb | 2984 | NETIF_NAPI_SET(netdev, &jme->napi, jme_poll, jme->rx_ring_size >> 2) |
192570e0 | 2985 | |
d7699f87 | 2986 | spin_lock_init(&jme->phy_lock); |
fcf45b4c | 2987 | spin_lock_init(&jme->macaddr_lock); |
8c198884 | 2988 | spin_lock_init(&jme->rxmcs_lock); |
fcf45b4c | 2989 | |
fcf45b4c GFT |
2990 | atomic_set(&jme->link_changing, 1); |
2991 | atomic_set(&jme->rx_cleaning, 1); | |
2992 | atomic_set(&jme->tx_cleaning, 1); | |
192570e0 | 2993 | atomic_set(&jme->rx_empty, 1); |
fcf45b4c | 2994 | |
79ce639c | 2995 | tasklet_init(&jme->pcc_task, |
7ca9ebee | 2996 | jme_pcc_tasklet, |
79ce639c | 2997 | (unsigned long) jme); |
4330c2f2 | 2998 | tasklet_init(&jme->linkch_task, |
7ca9ebee | 2999 | jme_link_change_tasklet, |
4330c2f2 GFT |
3000 | (unsigned long) jme); |
3001 | tasklet_init(&jme->txclean_task, | |
7ca9ebee | 3002 | jme_tx_clean_tasklet, |
4330c2f2 GFT |
3003 | (unsigned long) jme); |
3004 | tasklet_init(&jme->rxclean_task, | |
7ca9ebee | 3005 | jme_rx_clean_tasklet, |
4330c2f2 | 3006 | (unsigned long) jme); |
fcf45b4c | 3007 | tasklet_init(&jme->rxempty_task, |
7ca9ebee | 3008 | jme_rx_empty_tasklet, |
fcf45b4c | 3009 | (unsigned long) jme); |
0ede469c | 3010 | tasklet_disable_nosync(&jme->linkch_task); |
cd0ff491 GFT |
3011 | tasklet_disable_nosync(&jme->txclean_task); |
3012 | tasklet_disable_nosync(&jme->rxclean_task); | |
3013 | tasklet_disable_nosync(&jme->rxempty_task); | |
8c198884 GFT |
3014 | jme->dpi.cur = PCC_P1; |
3015 | ||
cd0ff491 | 3016 | jme->reg_ghc = 0; |
79ce639c | 3017 | jme->reg_rxcs = RXCS_DEFAULT; |
8c198884 GFT |
3018 | jme->reg_rxmcs = RXMCS_DEFAULT; |
3019 | jme->reg_txpfc = 0; | |
47220951 | 3020 | jme->reg_pmcs = PMCS_MFEN; |
cd0ff491 GFT |
3021 | set_bit(JME_FLAG_TXCSUM, &jme->flags); |
3022 | set_bit(JME_FLAG_TSO, &jme->flags); | |
192570e0 | 3023 | |
fcf45b4c GFT |
3024 | /* |
3025 | * Get Max Read Req Size from PCI Config Space | |
3026 | */ | |
cd0ff491 GFT |
3027 | pci_read_config_byte(pdev, PCI_DCSR_MRRS, &jme->mrrs); |
3028 | jme->mrrs &= PCI_DCSR_MRRS_MASK; | |
3029 | switch (jme->mrrs) { | |
3030 | case MRRS_128B: | |
3031 | jme->reg_txcs = TXCS_DEFAULT | TXCS_DMASIZE_128B; | |
3032 | break; | |
3033 | case MRRS_256B: | |
3034 | jme->reg_txcs = TXCS_DEFAULT | TXCS_DMASIZE_256B; | |
3035 | break; | |
3036 | default: | |
3037 | jme->reg_txcs = TXCS_DEFAULT | TXCS_DMASIZE_512B; | |
3038 | break; | |
cd54cf32 | 3039 | } |
fcf45b4c | 3040 | |
d7699f87 | 3041 | /* |
cdcdc9eb | 3042 | * Must check before reset_mac_processor |
d7699f87 | 3043 | */ |
cdcdc9eb GFT |
3044 | jme_check_hw_ver(jme); |
3045 | jme->mii_if.dev = netdev; | |
cd0ff491 | 3046 | if (jme->fpgaver) { |
cdcdc9eb | 3047 | jme->mii_if.phy_id = 0; |
cd0ff491 | 3048 | for (i = 1 ; i < 32 ; ++i) { |
cdcdc9eb GFT |
3049 | bmcr = jme_mdio_read(netdev, i, MII_BMCR); |
3050 | bmsr = jme_mdio_read(netdev, i, MII_BMSR); | |
cd0ff491 | 3051 | if (bmcr != 0xFFFFU && (bmcr != 0 || bmsr != 0)) { |
cdcdc9eb GFT |
3052 | jme->mii_if.phy_id = i; |
3053 | break; | |
3054 | } | |
3055 | } | |
3056 | ||
cd0ff491 | 3057 | if (!jme->mii_if.phy_id) { |
cdcdc9eb | 3058 | rc = -EIO; |
937ef75a JP |
3059 | pr_err("Can not find phy_id\n"); |
3060 | goto err_out_unmap; | |
cdcdc9eb GFT |
3061 | } |
3062 | ||
3063 | jme->reg_ghc |= GHC_LINK_POLL; | |
cd0ff491 | 3064 | } else { |
cdcdc9eb GFT |
3065 | jme->mii_if.phy_id = 1; |
3066 | } | |
cd0ff491 | 3067 | if (pdev->device == PCI_DEVICE_ID_JMICRON_JMC250) |
8d27293f GFT |
3068 | jme->mii_if.supports_gmii = true; |
3069 | else | |
3070 | jme->mii_if.supports_gmii = false; | |
aa1e7189 GFT |
3071 | jme->mii_if.phy_id_mask = 0x1F; |
3072 | jme->mii_if.reg_num_mask = 0x1F; | |
cdcdc9eb GFT |
3073 | jme->mii_if.mdio_read = jme_mdio_read; |
3074 | jme->mii_if.mdio_write = jme_mdio_write; | |
3075 | ||
d7699f87 | 3076 | jme_clear_pm(jme); |
58c92f28 | 3077 | jme_set_phyfifoa(jme); |
cd0ff491 GFT |
3078 | pci_read_config_byte(pdev, PCI_REVISION_ID, &jme->rev); |
3079 | if (!jme->fpgaver) | |
cdcdc9eb | 3080 | jme_phy_init(jme); |
42b1055e | 3081 | jme_phy_off(jme); |
cdcdc9eb GFT |
3082 | |
3083 | /* | |
3084 | * Reset MAC processor and reload EEPROM for MAC Address | |
3085 | */ | |
d7699f87 | 3086 | jme_reset_mac_processor(jme); |
4330c2f2 | 3087 | rc = jme_reload_eeprom(jme); |
cd0ff491 | 3088 | if (rc) { |
937ef75a | 3089 | pr_err("Reload eeprom for reading MAC Address error\n"); |
0ede469c | 3090 | goto err_out_unmap; |
4330c2f2 | 3091 | } |
d7699f87 GFT |
3092 | jme_load_macaddr(netdev); |
3093 | ||
d7699f87 GFT |
3094 | /* |
3095 | * Tell stack that we are not ready to work until open() | |
3096 | */ | |
3097 | netif_carrier_off(netdev); | |
3098 | netif_stop_queue(netdev); | |
3099 | ||
3100 | /* | |
3101 | * Register netdev | |
3102 | */ | |
4330c2f2 | 3103 | rc = register_netdev(netdev); |
cd0ff491 | 3104 | if (rc) { |
937ef75a | 3105 | pr_err("Cannot register net device\n"); |
0ede469c | 3106 | goto err_out_unmap; |
4330c2f2 | 3107 | } |
d7699f87 | 3108 | |
937ef75a JP |
3109 | netif_info(jme, probe, jme->dev, "%s%s ver:%x rev:%x " |
3110 | "macaddr: %02x:%02x:%02x:%02x:%02x:%02x\n", | |
7ca9ebee GFT |
3111 | (jme->pdev->device == PCI_DEVICE_ID_JMICRON_JMC250) ? |
3112 | "JMC250 Gigabit Ethernet" : | |
3113 | (jme->pdev->device == PCI_DEVICE_ID_JMICRON_JMC260) ? | |
3114 | "JMC260 Fast Ethernet" : "Unknown", | |
3115 | (jme->fpgaver != 0) ? " (FPGA)" : "", | |
3116 | (jme->fpgaver != 0) ? jme->fpgaver : jme->chiprev, | |
937ef75a JP |
3117 | jme->rev, |
3118 | netdev->dev_addr[0], | |
3119 | netdev->dev_addr[1], | |
3120 | netdev->dev_addr[2], | |
3121 | netdev->dev_addr[3], | |
3122 | netdev->dev_addr[4], | |
3123 | netdev->dev_addr[5]); | |
d7699f87 GFT |
3124 | |
3125 | return 0; | |
3126 | ||
3127 | err_out_unmap: | |
3128 | iounmap(jme->regs); | |
3129 | err_out_free_netdev: | |
3130 | pci_set_drvdata(pdev, NULL); | |
3131 | free_netdev(netdev); | |
4330c2f2 GFT |
3132 | err_out_release_regions: |
3133 | pci_release_regions(pdev); | |
d7699f87 | 3134 | err_out_disable_pdev: |
cd0ff491 | 3135 | pci_disable_device(pdev); |
d7699f87 | 3136 | err_out: |
4330c2f2 | 3137 | return rc; |
d7699f87 GFT |
3138 | } |
3139 | ||
3bf61c55 GFT |
3140 | static void __devexit |
3141 | jme_remove_one(struct pci_dev *pdev) | |
3142 | { | |
d7699f87 GFT |
3143 | struct net_device *netdev = pci_get_drvdata(pdev); |
3144 | struct jme_adapter *jme = netdev_priv(netdev); | |
3145 | ||
3146 | unregister_netdev(netdev); | |
3147 | iounmap(jme->regs); | |
3148 | pci_set_drvdata(pdev, NULL); | |
3149 | free_netdev(netdev); | |
3150 | pci_release_regions(pdev); | |
3151 | pci_disable_device(pdev); | |
3152 | ||
3153 | } | |
3154 | ||
7ee473a3 | 3155 | #ifdef CONFIG_PM |
29bdd921 GFT |
3156 | static int |
3157 | jme_suspend(struct pci_dev *pdev, pm_message_t state) | |
3158 | { | |
3159 | struct net_device *netdev = pci_get_drvdata(pdev); | |
3160 | struct jme_adapter *jme = netdev_priv(netdev); | |
29bdd921 GFT |
3161 | |
3162 | atomic_dec(&jme->link_changing); | |
3163 | ||
3164 | netif_device_detach(netdev); | |
3165 | netif_stop_queue(netdev); | |
3166 | jme_stop_irq(jme); | |
29bdd921 | 3167 | |
cd0ff491 GFT |
3168 | tasklet_disable(&jme->txclean_task); |
3169 | tasklet_disable(&jme->rxclean_task); | |
3170 | tasklet_disable(&jme->rxempty_task); | |
3171 | ||
cd0ff491 GFT |
3172 | if (netif_carrier_ok(netdev)) { |
3173 | if (test_bit(JME_FLAG_POLL, &jme->flags)) | |
47220951 GFT |
3174 | jme_polling_mode(jme); |
3175 | ||
29bdd921 | 3176 | jme_stop_pcc_timer(jme); |
cd0ff491 GFT |
3177 | jme_reset_ghc_speed(jme); |
3178 | jme_disable_rx_engine(jme); | |
3179 | jme_disable_tx_engine(jme); | |
29bdd921 GFT |
3180 | jme_reset_mac_processor(jme); |
3181 | jme_free_rx_resources(jme); | |
3182 | jme_free_tx_resources(jme); | |
3183 | netif_carrier_off(netdev); | |
3184 | jme->phylink = 0; | |
3185 | } | |
3186 | ||
cd0ff491 GFT |
3187 | tasklet_enable(&jme->txclean_task); |
3188 | tasklet_hi_enable(&jme->rxclean_task); | |
3189 | tasklet_hi_enable(&jme->rxempty_task); | |
29bdd921 GFT |
3190 | |
3191 | pci_save_state(pdev); | |
cd0ff491 | 3192 | if (jme->reg_pmcs) { |
42b1055e | 3193 | jme_set_100m_half(jme); |
47220951 | 3194 | |
cd0ff491 | 3195 | if (jme->reg_pmcs & (PMCS_LFEN | PMCS_LREN)) |
47220951 GFT |
3196 | jme_wait_link(jme); |
3197 | ||
29bdd921 | 3198 | jwrite32(jme, JME_PMCS, jme->reg_pmcs); |
cd0ff491 | 3199 | |
42b1055e | 3200 | pci_enable_wake(pdev, PCI_D3cold, true); |
cd0ff491 | 3201 | } else { |
42b1055e | 3202 | jme_phy_off(jme); |
29bdd921 | 3203 | } |
cd0ff491 | 3204 | pci_set_power_state(pdev, PCI_D3cold); |
29bdd921 GFT |
3205 | |
3206 | return 0; | |
3207 | } | |
3208 | ||
3209 | static int | |
3210 | jme_resume(struct pci_dev *pdev) | |
3211 | { | |
3212 | struct net_device *netdev = pci_get_drvdata(pdev); | |
3213 | struct jme_adapter *jme = netdev_priv(netdev); | |
3214 | ||
3215 | jme_clear_pm(jme); | |
3216 | pci_restore_state(pdev); | |
3217 | ||
e58b908e GFT |
3218 | if (test_bit(JME_FLAG_SSET, &jme->flags)) { |
3219 | jme_phy_on(jme); | |
29bdd921 | 3220 | jme_set_settings(netdev, &jme->old_ecmd); |
e58b908e | 3221 | } else { |
29bdd921 | 3222 | jme_reset_phy_processor(jme); |
e58b908e | 3223 | } |
29bdd921 | 3224 | |
29bdd921 GFT |
3225 | jme_start_irq(jme); |
3226 | netif_device_attach(netdev); | |
3227 | ||
3228 | atomic_inc(&jme->link_changing); | |
3229 | ||
3230 | jme_reset_link(jme); | |
3231 | ||
3232 | return 0; | |
3233 | } | |
7ee473a3 | 3234 | #endif |
29bdd921 | 3235 | |
7ca9ebee | 3236 | #if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,24) |
d7699f87 | 3237 | static struct pci_device_id jme_pci_tbl[] = { |
7ca9ebee GFT |
3238 | #else |
3239 | static DEFINE_PCI_DEVICE_TABLE(jme_pci_tbl) = { | |
3240 | #endif | |
cd0ff491 GFT |
3241 | { PCI_VDEVICE(JMICRON, PCI_DEVICE_ID_JMICRON_JMC250) }, |
3242 | { PCI_VDEVICE(JMICRON, PCI_DEVICE_ID_JMICRON_JMC260) }, | |
d7699f87 GFT |
3243 | { } |
3244 | }; | |
3245 | ||
3246 | static struct pci_driver jme_driver = { | |
cd0ff491 GFT |
3247 | .name = DRV_NAME, |
3248 | .id_table = jme_pci_tbl, | |
3249 | .probe = jme_init_one, | |
3250 | .remove = __devexit_p(jme_remove_one), | |
d7699f87 | 3251 | #ifdef CONFIG_PM |
cd0ff491 GFT |
3252 | .suspend = jme_suspend, |
3253 | .resume = jme_resume, | |
d7699f87 | 3254 | #endif /* CONFIG_PM */ |
d7699f87 GFT |
3255 | }; |
3256 | ||
3bf61c55 GFT |
3257 | static int __init |
3258 | jme_init_module(void) | |
d7699f87 | 3259 | { |
937ef75a | 3260 | pr_info("JMicron JMC2XX ethernet driver version %s\n", DRV_VERSION); |
d7699f87 GFT |
3261 | return pci_register_driver(&jme_driver); |
3262 | } | |
3263 | ||
3bf61c55 GFT |
3264 | static void __exit |
3265 | jme_cleanup_module(void) | |
d7699f87 GFT |
3266 | { |
3267 | pci_unregister_driver(&jme_driver); | |
3268 | } | |
3269 | ||
3270 | module_init(jme_init_module); | |
3271 | module_exit(jme_cleanup_module); | |
3272 | ||
3bf61c55 | 3273 | MODULE_AUTHOR("Guo-Fu Tseng <cooldavid@cooldavid.org>"); |
d7699f87 GFT |
3274 | MODULE_DESCRIPTION("JMicron JMC2x0 PCI Express Ethernet driver"); |
3275 | MODULE_LICENSE("GPL"); | |
3276 | MODULE_VERSION(DRV_VERSION); | |
3277 | MODULE_DEVICE_TABLE(pci, jme_pci_tbl); | |
3278 |