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d7699f87 GFT |
1 | /* |
2 | * JMicron JMC2x0 series PCIe Ethernet Linux Device Driver | |
3 | * | |
4 | * Copyright 2008 JMicron Technology Corporation | |
5 | * http://www.jmicron.com/ | |
6 | * | |
3bf61c55 GFT |
7 | * Author: Guo-Fu Tseng <cooldavid@cooldavid.org> |
8 | * | |
d7699f87 GFT |
9 | * This program is free software; you can redistribute it and/or modify |
10 | * it under the terms of the GNU General Public License as published by | |
11 | * the Free Software Foundation; either version 2 of the License. | |
12 | * | |
13 | * This program is distributed in the hope that it will be useful, | |
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | * GNU General Public License for more details. | |
17 | * | |
18 | * You should have received a copy of the GNU General Public License | |
19 | * along with this program; if not, write to the Free Software | |
20 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | |
21 | * | |
22 | */ | |
23 | ||
d7699f87 GFT |
24 | #include <linux/module.h> |
25 | #include <linux/kernel.h> | |
26 | #include <linux/pci.h> | |
27 | #include <linux/netdevice.h> | |
28 | #include <linux/etherdevice.h> | |
29 | #include <linux/ethtool.h> | |
30 | #include <linux/mii.h> | |
31 | #include <linux/crc32.h> | |
4330c2f2 | 32 | #include <linux/delay.h> |
29bdd921 | 33 | #include <linux/spinlock.h> |
8c198884 GFT |
34 | #include <linux/in.h> |
35 | #include <linux/ip.h> | |
79ce639c GFT |
36 | #include <linux/ipv6.h> |
37 | #include <linux/tcp.h> | |
38 | #include <linux/udp.h> | |
42b1055e | 39 | #include <linux/if_vlan.h> |
3b70a6fa | 40 | #include <net/ip6_checksum.h> |
d7699f87 GFT |
41 | #include "jme.h" |
42 | ||
cd0ff491 GFT |
43 | static int force_pseudohp = -1; |
44 | static int no_pseudohp = -1; | |
45 | static int no_extplug = -1; | |
46 | module_param(force_pseudohp, int, 0); | |
47 | MODULE_PARM_DESC(force_pseudohp, | |
48 | "Enable pseudo hot-plug feature manually by driver instead of BIOS."); | |
49 | module_param(no_pseudohp, int, 0); | |
50 | MODULE_PARM_DESC(no_pseudohp, "Disable pseudo hot-plug feature."); | |
51 | module_param(no_extplug, int, 0); | |
52 | MODULE_PARM_DESC(no_extplug, | |
53 | "Do not use external plug signal for pseudo hot-plug."); | |
4330c2f2 | 54 | |
3bf61c55 GFT |
55 | static int |
56 | jme_mdio_read(struct net_device *netdev, int phy, int reg) | |
d7699f87 GFT |
57 | { |
58 | struct jme_adapter *jme = netdev_priv(netdev); | |
cd0ff491 | 59 | int i, val, again = (reg == MII_BMSR) ? 1 : 0; |
d7699f87 | 60 | |
186fc259 | 61 | read_again: |
cd0ff491 | 62 | jwrite32(jme, JME_SMI, SMI_OP_REQ | |
3bf61c55 GFT |
63 | smi_phy_addr(phy) | |
64 | smi_reg_addr(reg)); | |
d7699f87 GFT |
65 | |
66 | wmb(); | |
cd0ff491 | 67 | for (i = JME_PHY_TIMEOUT * 50 ; i > 0 ; --i) { |
cdcdc9eb | 68 | udelay(20); |
b3821cc5 GFT |
69 | val = jread32(jme, JME_SMI); |
70 | if ((val & SMI_OP_REQ) == 0) | |
3bf61c55 | 71 | break; |
cd0ff491 | 72 | } |
d7699f87 | 73 | |
cd0ff491 GFT |
74 | if (i == 0) { |
75 | jeprintk(jme->pdev, "phy(%d) read timeout : %d\n", phy, reg); | |
3bf61c55 | 76 | return 0; |
cd0ff491 | 77 | } |
d7699f87 | 78 | |
cd0ff491 | 79 | if (again--) |
186fc259 GFT |
80 | goto read_again; |
81 | ||
cd0ff491 | 82 | return (val & SMI_DATA_MASK) >> SMI_DATA_SHIFT; |
d7699f87 GFT |
83 | } |
84 | ||
3bf61c55 GFT |
85 | static void |
86 | jme_mdio_write(struct net_device *netdev, | |
87 | int phy, int reg, int val) | |
d7699f87 GFT |
88 | { |
89 | struct jme_adapter *jme = netdev_priv(netdev); | |
90 | int i; | |
91 | ||
3bf61c55 GFT |
92 | jwrite32(jme, JME_SMI, SMI_OP_WRITE | SMI_OP_REQ | |
93 | ((val << SMI_DATA_SHIFT) & SMI_DATA_MASK) | | |
94 | smi_phy_addr(phy) | smi_reg_addr(reg)); | |
d7699f87 GFT |
95 | |
96 | wmb(); | |
cdcdc9eb GFT |
97 | for (i = JME_PHY_TIMEOUT * 50 ; i > 0 ; --i) { |
98 | udelay(20); | |
8d27293f | 99 | if ((jread32(jme, JME_SMI) & SMI_OP_REQ) == 0) |
3bf61c55 GFT |
100 | break; |
101 | } | |
d7699f87 | 102 | |
3bf61c55 | 103 | if (i == 0) |
cd0ff491 | 104 | jeprintk(jme->pdev, "phy(%d) write timeout : %d\n", phy, reg); |
d7699f87 | 105 | |
3bf61c55 | 106 | return; |
d7699f87 GFT |
107 | } |
108 | ||
cd0ff491 | 109 | static inline void |
3bf61c55 | 110 | jme_reset_phy_processor(struct jme_adapter *jme) |
d7699f87 | 111 | { |
cd0ff491 | 112 | u32 val; |
3bf61c55 GFT |
113 | |
114 | jme_mdio_write(jme->dev, | |
115 | jme->mii_if.phy_id, | |
8c198884 GFT |
116 | MII_ADVERTISE, ADVERTISE_ALL | |
117 | ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM); | |
3bf61c55 | 118 | |
cd0ff491 | 119 | if (jme->pdev->device == PCI_DEVICE_ID_JMICRON_JMC250) |
8d27293f GFT |
120 | jme_mdio_write(jme->dev, |
121 | jme->mii_if.phy_id, | |
122 | MII_CTRL1000, | |
123 | ADVERTISE_1000FULL | ADVERTISE_1000HALF); | |
3bf61c55 | 124 | |
fcf45b4c GFT |
125 | val = jme_mdio_read(jme->dev, |
126 | jme->mii_if.phy_id, | |
127 | MII_BMCR); | |
128 | ||
129 | jme_mdio_write(jme->dev, | |
130 | jme->mii_if.phy_id, | |
131 | MII_BMCR, val | BMCR_RESET); | |
132 | ||
3bf61c55 GFT |
133 | return; |
134 | } | |
135 | ||
b3821cc5 GFT |
136 | static void |
137 | jme_setup_wakeup_frame(struct jme_adapter *jme, | |
cd0ff491 | 138 | u32 *mask, u32 crc, int fnr) |
b3821cc5 GFT |
139 | { |
140 | int i; | |
141 | ||
142 | /* | |
143 | * Setup CRC pattern | |
144 | */ | |
145 | jwrite32(jme, JME_WFOI, WFOI_CRC_SEL | (fnr & WFOI_FRAME_SEL)); | |
146 | wmb(); | |
147 | jwrite32(jme, JME_WFODP, crc); | |
148 | wmb(); | |
149 | ||
150 | /* | |
151 | * Setup Mask | |
152 | */ | |
cd0ff491 | 153 | for (i = 0 ; i < WAKEUP_FRAME_MASK_DWNR ; ++i) { |
b3821cc5 GFT |
154 | jwrite32(jme, JME_WFOI, |
155 | ((i << WFOI_MASK_SHIFT) & WFOI_MASK_SEL) | | |
156 | (fnr & WFOI_FRAME_SEL)); | |
157 | wmb(); | |
158 | jwrite32(jme, JME_WFODP, mask[i]); | |
159 | wmb(); | |
160 | } | |
161 | } | |
3bf61c55 | 162 | |
cd0ff491 | 163 | static inline void |
3bf61c55 GFT |
164 | jme_reset_mac_processor(struct jme_adapter *jme) |
165 | { | |
cd0ff491 GFT |
166 | u32 mask[WAKEUP_FRAME_MASK_DWNR] = {0, 0, 0, 0}; |
167 | u32 crc = 0xCDCDCDCD; | |
168 | u32 gpreg0; | |
b3821cc5 GFT |
169 | int i; |
170 | ||
3bf61c55 | 171 | jwrite32(jme, JME_GHC, jme->reg_ghc | GHC_SWRST); |
d7699f87 | 172 | udelay(2); |
3bf61c55 | 173 | jwrite32(jme, JME_GHC, jme->reg_ghc); |
cd0ff491 GFT |
174 | |
175 | jwrite32(jme, JME_RXDBA_LO, 0x00000000); | |
176 | jwrite32(jme, JME_RXDBA_HI, 0x00000000); | |
177 | jwrite32(jme, JME_RXQDC, 0x00000000); | |
178 | jwrite32(jme, JME_RXNDA, 0x00000000); | |
179 | jwrite32(jme, JME_TXDBA_LO, 0x00000000); | |
180 | jwrite32(jme, JME_TXDBA_HI, 0x00000000); | |
181 | jwrite32(jme, JME_TXQDC, 0x00000000); | |
182 | jwrite32(jme, JME_TXNDA, 0x00000000); | |
183 | ||
4330c2f2 GFT |
184 | jwrite32(jme, JME_RXMCHT_LO, 0x00000000); |
185 | jwrite32(jme, JME_RXMCHT_HI, 0x00000000); | |
cd0ff491 | 186 | for (i = 0 ; i < WAKEUP_FRAME_NR ; ++i) |
b3821cc5 | 187 | jme_setup_wakeup_frame(jme, mask, crc, i); |
cd0ff491 | 188 | if (jme->fpgaver) |
cdcdc9eb GFT |
189 | gpreg0 = GPREG0_DEFAULT | GPREG0_LNKINTPOLL; |
190 | else | |
191 | gpreg0 = GPREG0_DEFAULT; | |
192 | jwrite32(jme, JME_GPREG0, gpreg0); | |
7ee473a3 | 193 | jwrite32(jme, JME_GPREG1, GPREG1_DEFAULT); |
d7699f87 GFT |
194 | } |
195 | ||
cd0ff491 GFT |
196 | static inline void |
197 | jme_reset_ghc_speed(struct jme_adapter *jme) | |
198 | { | |
199 | jme->reg_ghc &= ~(GHC_SPEED_1000M | GHC_DPX); | |
200 | jwrite32(jme, JME_GHC, jme->reg_ghc); | |
201 | } | |
202 | ||
203 | static inline void | |
3bf61c55 | 204 | jme_clear_pm(struct jme_adapter *jme) |
d7699f87 | 205 | { |
29bdd921 | 206 | jwrite32(jme, JME_PMCS, 0xFFFF0000 | jme->reg_pmcs); |
4330c2f2 | 207 | pci_set_power_state(jme->pdev, PCI_D0); |
42b1055e | 208 | pci_enable_wake(jme->pdev, PCI_D0, false); |
d7699f87 GFT |
209 | } |
210 | ||
3bf61c55 GFT |
211 | static int |
212 | jme_reload_eeprom(struct jme_adapter *jme) | |
d7699f87 | 213 | { |
cd0ff491 | 214 | u32 val; |
d7699f87 GFT |
215 | int i; |
216 | ||
217 | val = jread32(jme, JME_SMBCSR); | |
218 | ||
cd0ff491 | 219 | if (val & SMBCSR_EEPROMD) { |
d7699f87 GFT |
220 | val |= SMBCSR_CNACK; |
221 | jwrite32(jme, JME_SMBCSR, val); | |
222 | val |= SMBCSR_RELOAD; | |
223 | jwrite32(jme, JME_SMBCSR, val); | |
224 | mdelay(12); | |
225 | ||
cd0ff491 | 226 | for (i = JME_EEPROM_RELOAD_TIMEOUT; i > 0; --i) { |
d7699f87 GFT |
227 | mdelay(1); |
228 | if ((jread32(jme, JME_SMBCSR) & SMBCSR_RELOAD) == 0) | |
229 | break; | |
230 | } | |
231 | ||
cd0ff491 GFT |
232 | if (i == 0) { |
233 | jeprintk(jme->pdev, "eeprom reload timeout\n"); | |
d7699f87 GFT |
234 | return -EIO; |
235 | } | |
236 | } | |
3bf61c55 | 237 | |
d7699f87 GFT |
238 | return 0; |
239 | } | |
240 | ||
3bf61c55 GFT |
241 | static void |
242 | jme_load_macaddr(struct net_device *netdev) | |
d7699f87 GFT |
243 | { |
244 | struct jme_adapter *jme = netdev_priv(netdev); | |
245 | unsigned char macaddr[6]; | |
cd0ff491 | 246 | u32 val; |
d7699f87 | 247 | |
cd0ff491 | 248 | spin_lock_bh(&jme->macaddr_lock); |
4330c2f2 | 249 | val = jread32(jme, JME_RXUMA_LO); |
d7699f87 GFT |
250 | macaddr[0] = (val >> 0) & 0xFF; |
251 | macaddr[1] = (val >> 8) & 0xFF; | |
252 | macaddr[2] = (val >> 16) & 0xFF; | |
253 | macaddr[3] = (val >> 24) & 0xFF; | |
4330c2f2 | 254 | val = jread32(jme, JME_RXUMA_HI); |
d7699f87 GFT |
255 | macaddr[4] = (val >> 0) & 0xFF; |
256 | macaddr[5] = (val >> 8) & 0xFF; | |
cd0ff491 GFT |
257 | memcpy(netdev->dev_addr, macaddr, 6); |
258 | spin_unlock_bh(&jme->macaddr_lock); | |
3bf61c55 GFT |
259 | } |
260 | ||
cd0ff491 | 261 | static inline void |
3bf61c55 GFT |
262 | jme_set_rx_pcc(struct jme_adapter *jme, int p) |
263 | { | |
cd0ff491 | 264 | switch (p) { |
192570e0 GFT |
265 | case PCC_OFF: |
266 | jwrite32(jme, JME_PCCRX0, | |
267 | ((PCC_OFF_TO << PCCRXTO_SHIFT) & PCCRXTO_MASK) | | |
268 | ((PCC_OFF_CNT << PCCRX_SHIFT) & PCCRX_MASK)); | |
269 | break; | |
3bf61c55 GFT |
270 | case PCC_P1: |
271 | jwrite32(jme, JME_PCCRX0, | |
272 | ((PCC_P1_TO << PCCRXTO_SHIFT) & PCCRXTO_MASK) | | |
273 | ((PCC_P1_CNT << PCCRX_SHIFT) & PCCRX_MASK)); | |
274 | break; | |
275 | case PCC_P2: | |
276 | jwrite32(jme, JME_PCCRX0, | |
277 | ((PCC_P2_TO << PCCRXTO_SHIFT) & PCCRXTO_MASK) | | |
278 | ((PCC_P2_CNT << PCCRX_SHIFT) & PCCRX_MASK)); | |
279 | break; | |
280 | case PCC_P3: | |
281 | jwrite32(jme, JME_PCCRX0, | |
282 | ((PCC_P3_TO << PCCRXTO_SHIFT) & PCCRXTO_MASK) | | |
283 | ((PCC_P3_CNT << PCCRX_SHIFT) & PCCRX_MASK)); | |
284 | break; | |
285 | default: | |
286 | break; | |
287 | } | |
192570e0 | 288 | wmb(); |
3bf61c55 | 289 | |
cd0ff491 | 290 | if (!(test_bit(JME_FLAG_POLL, &jme->flags))) |
7ca9ebee | 291 | #if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,33) |
cd0ff491 | 292 | msg_rx_status(jme, "Switched to PCC_P%d\n", p); |
7ca9ebee GFT |
293 | #else |
294 | netif_info(jme, rx_status, jme->dev, "Switched to PCC_P%d\n", p); | |
295 | #endif | |
d7699f87 GFT |
296 | } |
297 | ||
fcf45b4c | 298 | static void |
3bf61c55 | 299 | jme_start_irq(struct jme_adapter *jme) |
d7699f87 | 300 | { |
3bf61c55 GFT |
301 | register struct dynpcc_info *dpi = &(jme->dpi); |
302 | ||
303 | jme_set_rx_pcc(jme, PCC_P1); | |
3bf61c55 GFT |
304 | dpi->cur = PCC_P1; |
305 | dpi->attempt = PCC_P1; | |
306 | dpi->cnt = 0; | |
307 | ||
308 | jwrite32(jme, JME_PCCTX, | |
8c198884 GFT |
309 | ((PCC_TX_TO << PCCTXTO_SHIFT) & PCCTXTO_MASK) | |
310 | ((PCC_TX_CNT << PCCTX_SHIFT) & PCCTX_MASK) | | |
3bf61c55 GFT |
311 | PCCTXQ0_EN |
312 | ); | |
313 | ||
d7699f87 GFT |
314 | /* |
315 | * Enable Interrupts | |
316 | */ | |
317 | jwrite32(jme, JME_IENS, INTR_ENABLE); | |
318 | } | |
319 | ||
cd0ff491 | 320 | static inline void |
3bf61c55 | 321 | jme_stop_irq(struct jme_adapter *jme) |
d7699f87 GFT |
322 | { |
323 | /* | |
324 | * Disable Interrupts | |
325 | */ | |
cd0ff491 | 326 | jwrite32f(jme, JME_IENC, INTR_ENABLE); |
d7699f87 GFT |
327 | } |
328 | ||
cd0ff491 | 329 | static u32 |
cdcdc9eb GFT |
330 | jme_linkstat_from_phy(struct jme_adapter *jme) |
331 | { | |
cd0ff491 | 332 | u32 phylink, bmsr; |
cdcdc9eb GFT |
333 | |
334 | phylink = jme_mdio_read(jme->dev, jme->mii_if.phy_id, 17); | |
335 | bmsr = jme_mdio_read(jme->dev, jme->mii_if.phy_id, MII_BMSR); | |
cd0ff491 | 336 | if (bmsr & BMSR_ANCOMP) |
cdcdc9eb GFT |
337 | phylink |= PHY_LINK_AUTONEG_COMPLETE; |
338 | ||
339 | return phylink; | |
340 | } | |
341 | ||
cd0ff491 | 342 | static inline void |
58c92f28 | 343 | jme_set_phyfifoa(struct jme_adapter *jme) |
cd0ff491 GFT |
344 | { |
345 | jme_mdio_write(jme->dev, jme->mii_if.phy_id, 27, 0x0004); | |
346 | } | |
347 | ||
348 | static inline void | |
58c92f28 | 349 | jme_set_phyfifob(struct jme_adapter *jme) |
cd0ff491 GFT |
350 | { |
351 | jme_mdio_write(jme->dev, jme->mii_if.phy_id, 27, 0x0000); | |
352 | } | |
353 | ||
fcf45b4c GFT |
354 | static int |
355 | jme_check_link(struct net_device *netdev, int testonly) | |
d7699f87 GFT |
356 | { |
357 | struct jme_adapter *jme = netdev_priv(netdev); | |
7ee473a3 | 358 | u32 phylink, ghc, cnt = JME_SPDRSV_TIMEOUT, bmcr, gpreg1; |
79ce639c | 359 | char linkmsg[64]; |
fcf45b4c | 360 | int rc = 0; |
d7699f87 | 361 | |
b3821cc5 | 362 | linkmsg[0] = '\0'; |
cdcdc9eb | 363 | |
cd0ff491 | 364 | if (jme->fpgaver) |
cdcdc9eb GFT |
365 | phylink = jme_linkstat_from_phy(jme); |
366 | else | |
367 | phylink = jread32(jme, JME_PHY_LINK); | |
d7699f87 | 368 | |
cd0ff491 GFT |
369 | if (phylink & PHY_LINK_UP) { |
370 | if (!(phylink & PHY_LINK_AUTONEG_COMPLETE)) { | |
8c198884 GFT |
371 | /* |
372 | * If we did not enable AN | |
373 | * Speed/Duplex Info should be obtained from SMI | |
374 | */ | |
375 | phylink = PHY_LINK_UP; | |
376 | ||
377 | bmcr = jme_mdio_read(jme->dev, | |
378 | jme->mii_if.phy_id, | |
379 | MII_BMCR); | |
380 | ||
381 | phylink |= ((bmcr & BMCR_SPEED1000) && | |
382 | (bmcr & BMCR_SPEED100) == 0) ? | |
383 | PHY_LINK_SPEED_1000M : | |
384 | (bmcr & BMCR_SPEED100) ? | |
385 | PHY_LINK_SPEED_100M : | |
386 | PHY_LINK_SPEED_10M; | |
387 | ||
388 | phylink |= (bmcr & BMCR_FULLDPLX) ? | |
389 | PHY_LINK_DUPLEX : 0; | |
79ce639c | 390 | |
b3821cc5 | 391 | strcat(linkmsg, "Forced: "); |
cd0ff491 | 392 | } else { |
8c198884 GFT |
393 | /* |
394 | * Keep polling for speed/duplex resolve complete | |
395 | */ | |
cd0ff491 | 396 | while (!(phylink & PHY_LINK_SPEEDDPU_RESOLVED) && |
8c198884 GFT |
397 | --cnt) { |
398 | ||
399 | udelay(1); | |
8c198884 | 400 | |
cd0ff491 | 401 | if (jme->fpgaver) |
cdcdc9eb GFT |
402 | phylink = jme_linkstat_from_phy(jme); |
403 | else | |
404 | phylink = jread32(jme, JME_PHY_LINK); | |
8c198884 | 405 | } |
cd0ff491 GFT |
406 | if (!cnt) |
407 | jeprintk(jme->pdev, | |
8c198884 | 408 | "Waiting speed resolve timeout.\n"); |
79ce639c | 409 | |
b3821cc5 | 410 | strcat(linkmsg, "ANed: "); |
d7699f87 GFT |
411 | } |
412 | ||
cd0ff491 | 413 | if (jme->phylink == phylink) { |
fcf45b4c GFT |
414 | rc = 1; |
415 | goto out; | |
416 | } | |
cd0ff491 | 417 | if (testonly) |
fcf45b4c GFT |
418 | goto out; |
419 | ||
420 | jme->phylink = phylink; | |
421 | ||
3b70a6fa GFT |
422 | ghc = jme->reg_ghc & ~(GHC_SPEED | GHC_DPX | |
423 | GHC_TO_CLK_PCIE | GHC_TXMAC_CLK_PCIE | | |
424 | GHC_TO_CLK_GPHY | GHC_TXMAC_CLK_GPHY); | |
cd0ff491 GFT |
425 | switch (phylink & PHY_LINK_SPEED_MASK) { |
426 | case PHY_LINK_SPEED_10M: | |
3b70a6fa GFT |
427 | ghc |= GHC_SPEED_10M | |
428 | GHC_TO_CLK_PCIE | GHC_TXMAC_CLK_PCIE; | |
cd0ff491 | 429 | strcat(linkmsg, "10 Mbps, "); |
cd0ff491 GFT |
430 | break; |
431 | case PHY_LINK_SPEED_100M: | |
3b70a6fa GFT |
432 | ghc |= GHC_SPEED_100M | |
433 | GHC_TO_CLK_PCIE | GHC_TXMAC_CLK_PCIE; | |
cd0ff491 | 434 | strcat(linkmsg, "100 Mbps, "); |
cd0ff491 GFT |
435 | break; |
436 | case PHY_LINK_SPEED_1000M: | |
3b70a6fa GFT |
437 | ghc |= GHC_SPEED_1000M | |
438 | GHC_TO_CLK_GPHY | GHC_TXMAC_CLK_GPHY; | |
cd0ff491 | 439 | strcat(linkmsg, "1000 Mbps, "); |
cd0ff491 GFT |
440 | break; |
441 | default: | |
442 | break; | |
d7699f87 | 443 | } |
d7699f87 | 444 | |
cd0ff491 | 445 | if (phylink & PHY_LINK_DUPLEX) { |
d7699f87 | 446 | jwrite32(jme, JME_TXMCS, TXMCS_DEFAULT); |
7ee473a3 | 447 | ghc |= GHC_DPX; |
cd0ff491 | 448 | } else { |
d7699f87 | 449 | jwrite32(jme, JME_TXMCS, TXMCS_DEFAULT | |
3bf61c55 GFT |
450 | TXMCS_BACKOFF | |
451 | TXMCS_CARRIERSENSE | | |
452 | TXMCS_COLLISION); | |
8c198884 GFT |
453 | jwrite32(jme, JME_TXTRHD, TXTRHD_TXPEN | |
454 | ((0x2000 << TXTRHD_TXP_SHIFT) & TXTRHD_TXP) | | |
455 | TXTRHD_TXREN | | |
456 | ((8 << TXTRHD_TXRL_SHIFT) & TXTRHD_TXRL)); | |
457 | } | |
7ee473a3 GFT |
458 | |
459 | gpreg1 = GPREG1_DEFAULT; | |
460 | if (is_buggy250(jme->pdev->device, jme->chiprev)) { | |
461 | if (!(phylink & PHY_LINK_DUPLEX)) | |
462 | gpreg1 |= GPREG1_HALFMODEPATCH; | |
463 | switch (phylink & PHY_LINK_SPEED_MASK) { | |
464 | case PHY_LINK_SPEED_10M: | |
465 | jme_set_phyfifoa(jme); | |
466 | gpreg1 |= GPREG1_RSSPATCH; | |
467 | break; | |
468 | case PHY_LINK_SPEED_100M: | |
469 | jme_set_phyfifob(jme); | |
470 | gpreg1 |= GPREG1_RSSPATCH; | |
471 | break; | |
472 | case PHY_LINK_SPEED_1000M: | |
473 | jme_set_phyfifoa(jme); | |
474 | break; | |
475 | default: | |
476 | break; | |
477 | } | |
478 | } | |
d7699f87 | 479 | |
3b70a6fa | 480 | jwrite32(jme, JME_GPREG1, gpreg1); |
fcf45b4c | 481 | jwrite32(jme, JME_GHC, ghc); |
3b70a6fa | 482 | jme->reg_ghc = ghc; |
fcf45b4c | 483 | |
3b70a6fa GFT |
484 | strcat(linkmsg, (phylink & PHY_LINK_DUPLEX) ? |
485 | "Full-Duplex, " : | |
486 | "Half-Duplex, "); | |
487 | strcat(linkmsg, (phylink & PHY_LINK_MDI_STAT) ? | |
488 | "MDI-X" : | |
489 | "MDI"); | |
7ca9ebee | 490 | #if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,33) |
cd0ff491 | 491 | msg_link(jme, "Link is up at %s.\n", linkmsg); |
7ca9ebee GFT |
492 | #else |
493 | netif_info(jme, link, jme->dev, "Link is up at %s.\n", linkmsg); | |
494 | #endif | |
cd0ff491 GFT |
495 | netif_carrier_on(netdev); |
496 | } else { | |
497 | if (testonly) | |
fcf45b4c GFT |
498 | goto out; |
499 | ||
7ca9ebee | 500 | #if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,33) |
cd0ff491 | 501 | msg_link(jme, "Link is down.\n"); |
7ca9ebee GFT |
502 | #else |
503 | netif_info(jme, link, jme->dev, "Link is down.\n"); | |
504 | #endif | |
fcf45b4c | 505 | jme->phylink = 0; |
cd0ff491 | 506 | netif_carrier_off(netdev); |
d7699f87 | 507 | } |
fcf45b4c GFT |
508 | |
509 | out: | |
510 | return rc; | |
d7699f87 GFT |
511 | } |
512 | ||
3bf61c55 GFT |
513 | static int |
514 | jme_setup_tx_resources(struct jme_adapter *jme) | |
d7699f87 | 515 | { |
d7699f87 GFT |
516 | struct jme_ring *txring = &(jme->txring[0]); |
517 | ||
518 | txring->alloc = dma_alloc_coherent(&(jme->pdev->dev), | |
b3821cc5 GFT |
519 | TX_RING_ALLOC_SIZE(jme->tx_ring_size), |
520 | &(txring->dmaalloc), | |
521 | GFP_ATOMIC); | |
fcf45b4c | 522 | |
0ede469c GFT |
523 | if (!txring->alloc) |
524 | goto err_set_null; | |
d7699f87 GFT |
525 | |
526 | /* | |
527 | * 16 Bytes align | |
528 | */ | |
cd0ff491 | 529 | txring->desc = (void *)ALIGN((unsigned long)(txring->alloc), |
3bf61c55 | 530 | RING_DESC_ALIGN); |
4330c2f2 | 531 | txring->dma = ALIGN(txring->dmaalloc, RING_DESC_ALIGN); |
d7699f87 | 532 | txring->next_to_use = 0; |
cdcdc9eb | 533 | atomic_set(&txring->next_to_clean, 0); |
b3821cc5 | 534 | atomic_set(&txring->nr_free, jme->tx_ring_size); |
d7699f87 | 535 | |
0ede469c GFT |
536 | txring->bufinf = kmalloc(sizeof(struct jme_buffer_info) * |
537 | jme->tx_ring_size, GFP_ATOMIC); | |
538 | if (unlikely(!(txring->bufinf))) | |
539 | goto err_free_txring; | |
540 | ||
d7699f87 | 541 | /* |
b3821cc5 | 542 | * Initialize Transmit Descriptors |
d7699f87 | 543 | */ |
b3821cc5 | 544 | memset(txring->alloc, 0, TX_RING_ALLOC_SIZE(jme->tx_ring_size)); |
3bf61c55 | 545 | memset(txring->bufinf, 0, |
b3821cc5 | 546 | sizeof(struct jme_buffer_info) * jme->tx_ring_size); |
d7699f87 GFT |
547 | |
548 | return 0; | |
0ede469c GFT |
549 | |
550 | err_free_txring: | |
551 | dma_free_coherent(&(jme->pdev->dev), | |
552 | TX_RING_ALLOC_SIZE(jme->tx_ring_size), | |
553 | txring->alloc, | |
554 | txring->dmaalloc); | |
555 | ||
556 | err_set_null: | |
557 | txring->desc = NULL; | |
558 | txring->dmaalloc = 0; | |
559 | txring->dma = 0; | |
560 | txring->bufinf = NULL; | |
561 | ||
562 | return -ENOMEM; | |
d7699f87 GFT |
563 | } |
564 | ||
3bf61c55 GFT |
565 | static void |
566 | jme_free_tx_resources(struct jme_adapter *jme) | |
d7699f87 GFT |
567 | { |
568 | int i; | |
569 | struct jme_ring *txring = &(jme->txring[0]); | |
0ede469c | 570 | struct jme_buffer_info *txbi; |
d7699f87 | 571 | |
cd0ff491 | 572 | if (txring->alloc) { |
0ede469c GFT |
573 | if (txring->bufinf) { |
574 | for (i = 0 ; i < jme->tx_ring_size ; ++i) { | |
575 | txbi = txring->bufinf + i; | |
576 | if (txbi->skb) { | |
577 | dev_kfree_skb(txbi->skb); | |
578 | txbi->skb = NULL; | |
579 | } | |
580 | txbi->mapping = 0; | |
581 | txbi->len = 0; | |
582 | txbi->nr_desc = 0; | |
583 | txbi->start_xmit = 0; | |
d7699f87 | 584 | } |
0ede469c | 585 | kfree(txring->bufinf); |
d7699f87 GFT |
586 | } |
587 | ||
588 | dma_free_coherent(&(jme->pdev->dev), | |
b3821cc5 | 589 | TX_RING_ALLOC_SIZE(jme->tx_ring_size), |
d7699f87 GFT |
590 | txring->alloc, |
591 | txring->dmaalloc); | |
3bf61c55 GFT |
592 | |
593 | txring->alloc = NULL; | |
594 | txring->desc = NULL; | |
595 | txring->dmaalloc = 0; | |
596 | txring->dma = 0; | |
0ede469c | 597 | txring->bufinf = NULL; |
d7699f87 | 598 | } |
3bf61c55 | 599 | txring->next_to_use = 0; |
cdcdc9eb | 600 | atomic_set(&txring->next_to_clean, 0); |
79ce639c | 601 | atomic_set(&txring->nr_free, 0); |
d7699f87 GFT |
602 | } |
603 | ||
cd0ff491 | 604 | static inline void |
3bf61c55 | 605 | jme_enable_tx_engine(struct jme_adapter *jme) |
d7699f87 GFT |
606 | { |
607 | /* | |
608 | * Select Queue 0 | |
609 | */ | |
610 | jwrite32(jme, JME_TXCS, TXCS_DEFAULT | TXCS_SELECT_QUEUE0); | |
cd0ff491 | 611 | wmb(); |
d7699f87 GFT |
612 | |
613 | /* | |
614 | * Setup TX Queue 0 DMA Bass Address | |
615 | */ | |
fcf45b4c | 616 | jwrite32(jme, JME_TXDBA_LO, (__u64)jme->txring[0].dma & 0xFFFFFFFFUL); |
3bf61c55 | 617 | jwrite32(jme, JME_TXDBA_HI, (__u64)(jme->txring[0].dma) >> 32); |
fcf45b4c | 618 | jwrite32(jme, JME_TXNDA, (__u64)jme->txring[0].dma & 0xFFFFFFFFUL); |
d7699f87 GFT |
619 | |
620 | /* | |
621 | * Setup TX Descptor Count | |
622 | */ | |
b3821cc5 | 623 | jwrite32(jme, JME_TXQDC, jme->tx_ring_size); |
d7699f87 GFT |
624 | |
625 | /* | |
626 | * Enable TX Engine | |
627 | */ | |
628 | wmb(); | |
4330c2f2 GFT |
629 | jwrite32(jme, JME_TXCS, jme->reg_txcs | |
630 | TXCS_SELECT_QUEUE0 | | |
631 | TXCS_ENABLE); | |
d7699f87 GFT |
632 | |
633 | } | |
634 | ||
cd0ff491 | 635 | static inline void |
29bdd921 GFT |
636 | jme_restart_tx_engine(struct jme_adapter *jme) |
637 | { | |
638 | /* | |
639 | * Restart TX Engine | |
640 | */ | |
641 | jwrite32(jme, JME_TXCS, jme->reg_txcs | | |
642 | TXCS_SELECT_QUEUE0 | | |
643 | TXCS_ENABLE); | |
644 | } | |
645 | ||
cd0ff491 | 646 | static inline void |
3bf61c55 | 647 | jme_disable_tx_engine(struct jme_adapter *jme) |
d7699f87 GFT |
648 | { |
649 | int i; | |
cd0ff491 | 650 | u32 val; |
d7699f87 GFT |
651 | |
652 | /* | |
653 | * Disable TX Engine | |
654 | */ | |
fcf45b4c | 655 | jwrite32(jme, JME_TXCS, jme->reg_txcs | TXCS_SELECT_QUEUE0); |
cd0ff491 | 656 | wmb(); |
d7699f87 GFT |
657 | |
658 | val = jread32(jme, JME_TXCS); | |
cd0ff491 | 659 | for (i = JME_TX_DISABLE_TIMEOUT ; (val & TXCS_ENABLE) && i > 0 ; --i) { |
fcf45b4c | 660 | mdelay(1); |
d7699f87 | 661 | val = jread32(jme, JME_TXCS); |
cd0ff491 | 662 | rmb(); |
d7699f87 GFT |
663 | } |
664 | ||
cd0ff491 GFT |
665 | if (!i) |
666 | jeprintk(jme->pdev, "Disable TX engine timeout.\n"); | |
d7699f87 GFT |
667 | } |
668 | ||
3bf61c55 GFT |
669 | static void |
670 | jme_set_clean_rxdesc(struct jme_adapter *jme, int i) | |
d7699f87 | 671 | { |
0ede469c | 672 | struct jme_ring *rxring = &(jme->rxring[0]); |
cd0ff491 | 673 | register struct rxdesc *rxdesc = rxring->desc; |
4330c2f2 GFT |
674 | struct jme_buffer_info *rxbi = rxring->bufinf; |
675 | rxdesc += i; | |
676 | rxbi += i; | |
677 | ||
678 | rxdesc->dw[0] = 0; | |
679 | rxdesc->dw[1] = 0; | |
3bf61c55 | 680 | rxdesc->desc1.bufaddrh = cpu_to_le32((__u64)rxbi->mapping >> 32); |
fcf45b4c GFT |
681 | rxdesc->desc1.bufaddrl = cpu_to_le32( |
682 | (__u64)rxbi->mapping & 0xFFFFFFFFUL); | |
3bf61c55 | 683 | rxdesc->desc1.datalen = cpu_to_le16(rxbi->len); |
cd0ff491 | 684 | if (jme->dev->features & NETIF_F_HIGHDMA) |
3bf61c55 | 685 | rxdesc->desc1.flags = RXFLAG_64BIT; |
d7699f87 | 686 | wmb(); |
3bf61c55 | 687 | rxdesc->desc1.flags |= RXFLAG_OWN | RXFLAG_INT; |
d7699f87 GFT |
688 | } |
689 | ||
3bf61c55 GFT |
690 | static int |
691 | jme_make_new_rx_buf(struct jme_adapter *jme, int i) | |
4330c2f2 GFT |
692 | { |
693 | struct jme_ring *rxring = &(jme->rxring[0]); | |
b3821cc5 | 694 | struct jme_buffer_info *rxbi = rxring->bufinf + i; |
cd0ff491 | 695 | struct sk_buff *skb; |
4330c2f2 | 696 | |
79ce639c GFT |
697 | skb = netdev_alloc_skb(jme->dev, |
698 | jme->dev->mtu + RX_EXTRA_LEN); | |
cd0ff491 | 699 | if (unlikely(!skb)) |
4330c2f2 | 700 | return -ENOMEM; |
3b70a6fa GFT |
701 | #if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19) |
702 | skb->dev = jme->dev; | |
703 | #endif | |
3bf61c55 | 704 | |
4330c2f2 | 705 | rxbi->skb = skb; |
3bf61c55 | 706 | rxbi->len = skb_tailroom(skb); |
b3821cc5 GFT |
707 | rxbi->mapping = pci_map_page(jme->pdev, |
708 | virt_to_page(skb->data), | |
709 | offset_in_page(skb->data), | |
710 | rxbi->len, | |
711 | PCI_DMA_FROMDEVICE); | |
4330c2f2 GFT |
712 | |
713 | return 0; | |
714 | } | |
715 | ||
3bf61c55 GFT |
716 | static void |
717 | jme_free_rx_buf(struct jme_adapter *jme, int i) | |
4330c2f2 GFT |
718 | { |
719 | struct jme_ring *rxring = &(jme->rxring[0]); | |
720 | struct jme_buffer_info *rxbi = rxring->bufinf; | |
721 | rxbi += i; | |
722 | ||
cd0ff491 | 723 | if (rxbi->skb) { |
b3821cc5 | 724 | pci_unmap_page(jme->pdev, |
4330c2f2 | 725 | rxbi->mapping, |
3bf61c55 | 726 | rxbi->len, |
4330c2f2 GFT |
727 | PCI_DMA_FROMDEVICE); |
728 | dev_kfree_skb(rxbi->skb); | |
729 | rxbi->skb = NULL; | |
730 | rxbi->mapping = 0; | |
3bf61c55 | 731 | rxbi->len = 0; |
4330c2f2 GFT |
732 | } |
733 | } | |
734 | ||
3bf61c55 GFT |
735 | static void |
736 | jme_free_rx_resources(struct jme_adapter *jme) | |
737 | { | |
738 | int i; | |
739 | struct jme_ring *rxring = &(jme->rxring[0]); | |
740 | ||
cd0ff491 | 741 | if (rxring->alloc) { |
0ede469c GFT |
742 | if (rxring->bufinf) { |
743 | for (i = 0 ; i < jme->rx_ring_size ; ++i) | |
744 | jme_free_rx_buf(jme, i); | |
745 | kfree(rxring->bufinf); | |
746 | } | |
3bf61c55 GFT |
747 | |
748 | dma_free_coherent(&(jme->pdev->dev), | |
b3821cc5 | 749 | RX_RING_ALLOC_SIZE(jme->rx_ring_size), |
3bf61c55 GFT |
750 | rxring->alloc, |
751 | rxring->dmaalloc); | |
752 | rxring->alloc = NULL; | |
753 | rxring->desc = NULL; | |
754 | rxring->dmaalloc = 0; | |
755 | rxring->dma = 0; | |
0ede469c | 756 | rxring->bufinf = NULL; |
3bf61c55 GFT |
757 | } |
758 | rxring->next_to_use = 0; | |
cdcdc9eb | 759 | atomic_set(&rxring->next_to_clean, 0); |
3bf61c55 GFT |
760 | } |
761 | ||
762 | static int | |
763 | jme_setup_rx_resources(struct jme_adapter *jme) | |
d7699f87 GFT |
764 | { |
765 | int i; | |
766 | struct jme_ring *rxring = &(jme->rxring[0]); | |
767 | ||
768 | rxring->alloc = dma_alloc_coherent(&(jme->pdev->dev), | |
b3821cc5 GFT |
769 | RX_RING_ALLOC_SIZE(jme->rx_ring_size), |
770 | &(rxring->dmaalloc), | |
771 | GFP_ATOMIC); | |
0ede469c GFT |
772 | if (!rxring->alloc) |
773 | goto err_set_null; | |
d7699f87 GFT |
774 | |
775 | /* | |
776 | * 16 Bytes align | |
777 | */ | |
cd0ff491 | 778 | rxring->desc = (void *)ALIGN((unsigned long)(rxring->alloc), |
3bf61c55 | 779 | RING_DESC_ALIGN); |
4330c2f2 | 780 | rxring->dma = ALIGN(rxring->dmaalloc, RING_DESC_ALIGN); |
d7699f87 | 781 | rxring->next_to_use = 0; |
cdcdc9eb | 782 | atomic_set(&rxring->next_to_clean, 0); |
d7699f87 | 783 | |
0ede469c GFT |
784 | rxring->bufinf = kmalloc(sizeof(struct jme_buffer_info) * |
785 | jme->rx_ring_size, GFP_ATOMIC); | |
786 | if (unlikely(!(rxring->bufinf))) | |
787 | goto err_free_rxring; | |
788 | ||
d7699f87 GFT |
789 | /* |
790 | * Initiallize Receive Descriptors | |
791 | */ | |
0ede469c GFT |
792 | memset(rxring->bufinf, 0, |
793 | sizeof(struct jme_buffer_info) * jme->rx_ring_size); | |
cd0ff491 GFT |
794 | for (i = 0 ; i < jme->rx_ring_size ; ++i) { |
795 | if (unlikely(jme_make_new_rx_buf(jme, i))) { | |
3bf61c55 GFT |
796 | jme_free_rx_resources(jme); |
797 | return -ENOMEM; | |
798 | } | |
d7699f87 GFT |
799 | |
800 | jme_set_clean_rxdesc(jme, i); | |
801 | } | |
802 | ||
d7699f87 | 803 | return 0; |
0ede469c GFT |
804 | |
805 | err_free_rxring: | |
806 | dma_free_coherent(&(jme->pdev->dev), | |
807 | RX_RING_ALLOC_SIZE(jme->rx_ring_size), | |
808 | rxring->alloc, | |
809 | rxring->dmaalloc); | |
810 | err_set_null: | |
811 | rxring->desc = NULL; | |
812 | rxring->dmaalloc = 0; | |
813 | rxring->dma = 0; | |
814 | rxring->bufinf = NULL; | |
815 | ||
816 | return -ENOMEM; | |
d7699f87 GFT |
817 | } |
818 | ||
cd0ff491 | 819 | static inline void |
3bf61c55 | 820 | jme_enable_rx_engine(struct jme_adapter *jme) |
d7699f87 | 821 | { |
cd0ff491 GFT |
822 | /* |
823 | * Select Queue 0 | |
824 | */ | |
825 | jwrite32(jme, JME_RXCS, jme->reg_rxcs | | |
826 | RXCS_QUEUESEL_Q0); | |
827 | wmb(); | |
828 | ||
d7699f87 GFT |
829 | /* |
830 | * Setup RX DMA Bass Address | |
831 | */ | |
0ede469c | 832 | jwrite32(jme, JME_RXDBA_LO, (__u64)(jme->rxring[0].dma) & 0xFFFFFFFFUL); |
3bf61c55 | 833 | jwrite32(jme, JME_RXDBA_HI, (__u64)(jme->rxring[0].dma) >> 32); |
0ede469c | 834 | jwrite32(jme, JME_RXNDA, (__u64)(jme->rxring[0].dma) & 0xFFFFFFFFUL); |
d7699f87 GFT |
835 | |
836 | /* | |
b3821cc5 | 837 | * Setup RX Descriptor Count |
d7699f87 | 838 | */ |
b3821cc5 | 839 | jwrite32(jme, JME_RXQDC, jme->rx_ring_size); |
d7699f87 | 840 | |
3bf61c55 | 841 | /* |
d7699f87 GFT |
842 | * Setup Unicast Filter |
843 | */ | |
844 | jme_set_multi(jme->dev); | |
845 | ||
846 | /* | |
847 | * Enable RX Engine | |
848 | */ | |
849 | wmb(); | |
79ce639c | 850 | jwrite32(jme, JME_RXCS, jme->reg_rxcs | |
4330c2f2 GFT |
851 | RXCS_QUEUESEL_Q0 | |
852 | RXCS_ENABLE | | |
853 | RXCS_QST); | |
d7699f87 GFT |
854 | } |
855 | ||
cd0ff491 | 856 | static inline void |
3bf61c55 | 857 | jme_restart_rx_engine(struct jme_adapter *jme) |
4330c2f2 GFT |
858 | { |
859 | /* | |
3bf61c55 | 860 | * Start RX Engine |
4330c2f2 | 861 | */ |
79ce639c | 862 | jwrite32(jme, JME_RXCS, jme->reg_rxcs | |
4330c2f2 GFT |
863 | RXCS_QUEUESEL_Q0 | |
864 | RXCS_ENABLE | | |
865 | RXCS_QST); | |
866 | } | |
867 | ||
cd0ff491 | 868 | static inline void |
3bf61c55 | 869 | jme_disable_rx_engine(struct jme_adapter *jme) |
d7699f87 GFT |
870 | { |
871 | int i; | |
cd0ff491 | 872 | u32 val; |
d7699f87 GFT |
873 | |
874 | /* | |
875 | * Disable RX Engine | |
876 | */ | |
29bdd921 | 877 | jwrite32(jme, JME_RXCS, jme->reg_rxcs); |
cd0ff491 | 878 | wmb(); |
d7699f87 GFT |
879 | |
880 | val = jread32(jme, JME_RXCS); | |
cd0ff491 | 881 | for (i = JME_RX_DISABLE_TIMEOUT ; (val & RXCS_ENABLE) && i > 0 ; --i) { |
29bdd921 | 882 | mdelay(1); |
d7699f87 | 883 | val = jread32(jme, JME_RXCS); |
cd0ff491 | 884 | rmb(); |
d7699f87 GFT |
885 | } |
886 | ||
cd0ff491 GFT |
887 | if (!i) |
888 | jeprintk(jme->pdev, "Disable RX engine timeout.\n"); | |
d7699f87 GFT |
889 | |
890 | } | |
891 | ||
192570e0 | 892 | static int |
cd0ff491 | 893 | jme_rxsum_ok(struct jme_adapter *jme, u16 flags) |
192570e0 | 894 | { |
cd0ff491 | 895 | if (!(flags & (RXWBFLAG_TCPON | RXWBFLAG_UDPON | RXWBFLAG_IPV4))) |
192570e0 GFT |
896 | return false; |
897 | ||
0ede469c GFT |
898 | if (unlikely((flags & (RXWBFLAG_MF | RXWBFLAG_TCPON | RXWBFLAG_TCPCS)) |
899 | == RXWBFLAG_TCPON)) { | |
900 | if (flags & RXWBFLAG_IPV4) | |
7ca9ebee | 901 | #if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,33) |
0ede469c | 902 | msg_rx_err(jme, "TCP Checksum error\n"); |
7ca9ebee GFT |
903 | #else |
904 | netif_err(jme, rx_err, jme->dev, "TCP Checksum error\n"); | |
905 | #endif | |
0ede469c | 906 | return false; |
192570e0 GFT |
907 | } |
908 | ||
0ede469c GFT |
909 | if (unlikely((flags & (RXWBFLAG_MF | RXWBFLAG_UDPON | RXWBFLAG_UDPCS)) |
910 | == RXWBFLAG_UDPON)) { | |
911 | if (flags & RXWBFLAG_IPV4) | |
7ca9ebee | 912 | #if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,33) |
0ede469c | 913 | msg_rx_err(jme, "UDP Checksum error.\n"); |
7ca9ebee GFT |
914 | #else |
915 | netif_err(jme, rx_err, jme->dev, "UDP Checksum error.\n"); | |
916 | #endif | |
0ede469c | 917 | return false; |
192570e0 GFT |
918 | } |
919 | ||
0ede469c GFT |
920 | if (unlikely((flags & (RXWBFLAG_IPV4 | RXWBFLAG_IPCS)) |
921 | == RXWBFLAG_IPV4)) { | |
7ca9ebee | 922 | #if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,33) |
cd0ff491 | 923 | msg_rx_err(jme, "IPv4 Checksum error.\n"); |
7ca9ebee GFT |
924 | #else |
925 | netif_err(jme, rx_err, jme->dev, "IPv4 Checksum error.\n"); | |
926 | #endif | |
0ede469c | 927 | return false; |
192570e0 GFT |
928 | } |
929 | ||
930 | return true; | |
931 | } | |
932 | ||
3bf61c55 | 933 | static void |
42b1055e | 934 | jme_alloc_and_feed_skb(struct jme_adapter *jme, int idx) |
d7699f87 | 935 | { |
d7699f87 | 936 | struct jme_ring *rxring = &(jme->rxring[0]); |
cd0ff491 | 937 | struct rxdesc *rxdesc = rxring->desc; |
3bf61c55 | 938 | struct jme_buffer_info *rxbi = rxring->bufinf; |
d7699f87 | 939 | struct sk_buff *skb; |
3bf61c55 | 940 | int framesize; |
d7699f87 | 941 | |
3bf61c55 GFT |
942 | rxdesc += idx; |
943 | rxbi += idx; | |
d7699f87 | 944 | |
3bf61c55 GFT |
945 | skb = rxbi->skb; |
946 | pci_dma_sync_single_for_cpu(jme->pdev, | |
947 | rxbi->mapping, | |
948 | rxbi->len, | |
949 | PCI_DMA_FROMDEVICE); | |
950 | ||
cd0ff491 | 951 | if (unlikely(jme_make_new_rx_buf(jme, idx))) { |
3bf61c55 GFT |
952 | pci_dma_sync_single_for_device(jme->pdev, |
953 | rxbi->mapping, | |
954 | rxbi->len, | |
955 | PCI_DMA_FROMDEVICE); | |
956 | ||
957 | ++(NET_STAT(jme).rx_dropped); | |
cd0ff491 | 958 | } else { |
3bf61c55 GFT |
959 | framesize = le16_to_cpu(rxdesc->descwb.framesize) |
960 | - RX_PREPAD_SIZE; | |
961 | ||
962 | skb_reserve(skb, RX_PREPAD_SIZE); | |
963 | skb_put(skb, framesize); | |
964 | skb->protocol = eth_type_trans(skb, jme->dev); | |
965 | ||
3b70a6fa | 966 | if (jme_rxsum_ok(jme, le16_to_cpu(rxdesc->descwb.flags))) |
8c198884 | 967 | skb->ip_summed = CHECKSUM_UNNECESSARY; |
29bdd921 GFT |
968 | else |
969 | skb->ip_summed = CHECKSUM_NONE; | |
8c198884 | 970 | |
3b70a6fa | 971 | if (rxdesc->descwb.flags & cpu_to_le16(RXWBFLAG_TAGON)) { |
cd0ff491 | 972 | if (jme->vlgrp) { |
cdcdc9eb | 973 | jme->jme_vlan_rx(skb, jme->vlgrp, |
3b70a6fa | 974 | le16_to_cpu(rxdesc->descwb.vlan)); |
b3821cc5 | 975 | NET_STAT(jme).rx_bytes += 4; |
7ca9ebee | 976 | } else { |
7ca9ebee | 977 | dev_kfree_skb(skb); |
b3821cc5 | 978 | } |
cd0ff491 | 979 | } else { |
cdcdc9eb | 980 | jme->jme_rx(skb); |
b3821cc5 | 981 | } |
3bf61c55 | 982 | |
3b70a6fa GFT |
983 | if ((rxdesc->descwb.flags & cpu_to_le16(RXWBFLAG_DEST)) == |
984 | cpu_to_le16(RXWBFLAG_DEST_MUL)) | |
3bf61c55 GFT |
985 | ++(NET_STAT(jme).multicast); |
986 | ||
3bf61c55 GFT |
987 | NET_STAT(jme).rx_bytes += framesize; |
988 | ++(NET_STAT(jme).rx_packets); | |
989 | } | |
990 | ||
991 | jme_set_clean_rxdesc(jme, idx); | |
992 | ||
993 | } | |
994 | ||
995 | static int | |
996 | jme_process_receive(struct jme_adapter *jme, int limit) | |
997 | { | |
998 | struct jme_ring *rxring = &(jme->rxring[0]); | |
cd0ff491 | 999 | struct rxdesc *rxdesc = rxring->desc; |
b3821cc5 | 1000 | int i, j, ccnt, desccnt, mask = jme->rx_ring_mask; |
3bf61c55 | 1001 | |
cd0ff491 | 1002 | if (unlikely(!atomic_dec_and_test(&jme->rx_cleaning))) |
192570e0 GFT |
1003 | goto out_inc; |
1004 | ||
cd0ff491 | 1005 | if (unlikely(atomic_read(&jme->link_changing) != 1)) |
192570e0 GFT |
1006 | goto out_inc; |
1007 | ||
cd0ff491 | 1008 | if (unlikely(!netif_carrier_ok(jme->dev))) |
192570e0 GFT |
1009 | goto out_inc; |
1010 | ||
cdcdc9eb | 1011 | i = atomic_read(&rxring->next_to_clean); |
0ede469c | 1012 | while (limit > 0) { |
3bf61c55 GFT |
1013 | rxdesc = rxring->desc; |
1014 | rxdesc += i; | |
1015 | ||
3b70a6fa | 1016 | if ((rxdesc->descwb.flags & cpu_to_le16(RXWBFLAG_OWN)) || |
3bf61c55 GFT |
1017 | !(rxdesc->descwb.desccnt & RXWBDCNT_WBCPL)) |
1018 | goto out; | |
0ede469c | 1019 | --limit; |
d7699f87 | 1020 | |
4330c2f2 GFT |
1021 | desccnt = rxdesc->descwb.desccnt & RXWBDCNT_DCNT; |
1022 | ||
cd0ff491 | 1023 | if (unlikely(desccnt > 1 || |
192570e0 | 1024 | rxdesc->descwb.errstat & RXWBERR_ALLERR)) { |
d7699f87 | 1025 | |
cd0ff491 | 1026 | if (rxdesc->descwb.errstat & RXWBERR_CRCERR) |
3bf61c55 | 1027 | ++(NET_STAT(jme).rx_crc_errors); |
cd0ff491 | 1028 | else if (rxdesc->descwb.errstat & RXWBERR_OVERUN) |
3bf61c55 GFT |
1029 | ++(NET_STAT(jme).rx_fifo_errors); |
1030 | else | |
1031 | ++(NET_STAT(jme).rx_errors); | |
4330c2f2 | 1032 | |
cd0ff491 | 1033 | if (desccnt > 1) |
3bf61c55 | 1034 | limit -= desccnt - 1; |
4330c2f2 | 1035 | |
cd0ff491 | 1036 | for (j = i, ccnt = desccnt ; ccnt-- ; ) { |
4330c2f2 | 1037 | jme_set_clean_rxdesc(jme, j); |
b3821cc5 | 1038 | j = (j + 1) & (mask); |
4330c2f2 | 1039 | } |
3bf61c55 | 1040 | |
cd0ff491 | 1041 | } else { |
42b1055e | 1042 | jme_alloc_and_feed_skb(jme, i); |
3bf61c55 | 1043 | } |
4330c2f2 | 1044 | |
b3821cc5 | 1045 | i = (i + desccnt) & (mask); |
3bf61c55 | 1046 | } |
4330c2f2 | 1047 | |
3bf61c55 | 1048 | out: |
cdcdc9eb | 1049 | atomic_set(&rxring->next_to_clean, i); |
4330c2f2 | 1050 | |
192570e0 GFT |
1051 | out_inc: |
1052 | atomic_inc(&jme->rx_cleaning); | |
1053 | ||
3bf61c55 | 1054 | return limit > 0 ? limit : 0; |
4330c2f2 | 1055 | |
3bf61c55 | 1056 | } |
d7699f87 | 1057 | |
79ce639c GFT |
1058 | static void |
1059 | jme_attempt_pcc(struct dynpcc_info *dpi, int atmp) | |
1060 | { | |
cd0ff491 | 1061 | if (likely(atmp == dpi->cur)) { |
192570e0 | 1062 | dpi->cnt = 0; |
79ce639c | 1063 | return; |
192570e0 | 1064 | } |
79ce639c | 1065 | |
cd0ff491 | 1066 | if (dpi->attempt == atmp) { |
79ce639c | 1067 | ++(dpi->cnt); |
cd0ff491 | 1068 | } else { |
79ce639c GFT |
1069 | dpi->attempt = atmp; |
1070 | dpi->cnt = 0; | |
1071 | } | |
1072 | ||
1073 | } | |
1074 | ||
1075 | static void | |
1076 | jme_dynamic_pcc(struct jme_adapter *jme) | |
1077 | { | |
1078 | register struct dynpcc_info *dpi = &(jme->dpi); | |
1079 | ||
cd0ff491 | 1080 | if ((NET_STAT(jme).rx_bytes - dpi->last_bytes) > PCC_P3_THRESHOLD) |
79ce639c | 1081 | jme_attempt_pcc(dpi, PCC_P3); |
7ca9ebee GFT |
1082 | else if ((NET_STAT(jme).rx_packets - dpi->last_pkts) > PCC_P2_THRESHOLD || |
1083 | dpi->intr_cnt > PCC_INTR_THRESHOLD) | |
79ce639c GFT |
1084 | jme_attempt_pcc(dpi, PCC_P2); |
1085 | else | |
1086 | jme_attempt_pcc(dpi, PCC_P1); | |
1087 | ||
cd0ff491 GFT |
1088 | if (unlikely(dpi->attempt != dpi->cur && dpi->cnt > 5)) { |
1089 | if (dpi->attempt < dpi->cur) | |
1090 | tasklet_schedule(&jme->rxclean_task); | |
79ce639c GFT |
1091 | jme_set_rx_pcc(jme, dpi->attempt); |
1092 | dpi->cur = dpi->attempt; | |
1093 | dpi->cnt = 0; | |
1094 | } | |
1095 | } | |
1096 | ||
1097 | static void | |
1098 | jme_start_pcc_timer(struct jme_adapter *jme) | |
1099 | { | |
1100 | struct dynpcc_info *dpi = &(jme->dpi); | |
1101 | dpi->last_bytes = NET_STAT(jme).rx_bytes; | |
1102 | dpi->last_pkts = NET_STAT(jme).rx_packets; | |
1103 | dpi->intr_cnt = 0; | |
1104 | jwrite32(jme, JME_TMCSR, | |
1105 | TMCSR_EN | ((0xFFFFFF - PCC_INTERVAL_US) & TMCSR_CNT)); | |
1106 | } | |
1107 | ||
cd0ff491 | 1108 | static inline void |
29bdd921 GFT |
1109 | jme_stop_pcc_timer(struct jme_adapter *jme) |
1110 | { | |
1111 | jwrite32(jme, JME_TMCSR, 0); | |
1112 | } | |
1113 | ||
cd0ff491 GFT |
1114 | static void |
1115 | jme_shutdown_nic(struct jme_adapter *jme) | |
1116 | { | |
1117 | u32 phylink; | |
1118 | ||
1119 | phylink = jme_linkstat_from_phy(jme); | |
1120 | ||
1121 | if (!(phylink & PHY_LINK_UP)) { | |
1122 | /* | |
1123 | * Disable all interrupt before issue timer | |
1124 | */ | |
1125 | jme_stop_irq(jme); | |
1126 | jwrite32(jme, JME_TIMER2, TMCSR_EN | 0xFFFFFE); | |
1127 | } | |
1128 | } | |
1129 | ||
79ce639c GFT |
1130 | static void |
1131 | jme_pcc_tasklet(unsigned long arg) | |
1132 | { | |
cd0ff491 | 1133 | struct jme_adapter *jme = (struct jme_adapter *)arg; |
79ce639c GFT |
1134 | struct net_device *netdev = jme->dev; |
1135 | ||
cd0ff491 GFT |
1136 | if (unlikely(test_bit(JME_FLAG_SHUTDOWN, &jme->flags))) { |
1137 | jme_shutdown_nic(jme); | |
1138 | return; | |
1139 | } | |
29bdd921 | 1140 | |
cd0ff491 | 1141 | if (unlikely(!netif_carrier_ok(netdev) || |
29bdd921 GFT |
1142 | (atomic_read(&jme->link_changing) != 1) |
1143 | )) { | |
1144 | jme_stop_pcc_timer(jme); | |
79ce639c GFT |
1145 | return; |
1146 | } | |
29bdd921 | 1147 | |
cd0ff491 | 1148 | if (!(test_bit(JME_FLAG_POLL, &jme->flags))) |
192570e0 GFT |
1149 | jme_dynamic_pcc(jme); |
1150 | ||
79ce639c GFT |
1151 | jme_start_pcc_timer(jme); |
1152 | } | |
1153 | ||
cd0ff491 | 1154 | static inline void |
192570e0 GFT |
1155 | jme_polling_mode(struct jme_adapter *jme) |
1156 | { | |
1157 | jme_set_rx_pcc(jme, PCC_OFF); | |
1158 | } | |
1159 | ||
cd0ff491 | 1160 | static inline void |
192570e0 GFT |
1161 | jme_interrupt_mode(struct jme_adapter *jme) |
1162 | { | |
1163 | jme_set_rx_pcc(jme, PCC_P1); | |
1164 | } | |
1165 | ||
cd0ff491 GFT |
1166 | static inline int |
1167 | jme_pseudo_hotplug_enabled(struct jme_adapter *jme) | |
1168 | { | |
1169 | u32 apmc; | |
1170 | apmc = jread32(jme, JME_APMC); | |
1171 | return apmc & JME_APMC_PSEUDO_HP_EN; | |
1172 | } | |
1173 | ||
1174 | static void | |
1175 | jme_start_shutdown_timer(struct jme_adapter *jme) | |
1176 | { | |
1177 | u32 apmc; | |
1178 | ||
1179 | apmc = jread32(jme, JME_APMC) | JME_APMC_PCIE_SD_EN; | |
1180 | apmc &= ~JME_APMC_EPIEN_CTRL; | |
1181 | if (!no_extplug) { | |
1182 | jwrite32f(jme, JME_APMC, apmc | JME_APMC_EPIEN_CTRL_EN); | |
1183 | wmb(); | |
1184 | } | |
1185 | jwrite32f(jme, JME_APMC, apmc); | |
1186 | ||
1187 | jwrite32f(jme, JME_TIMER2, 0); | |
1188 | set_bit(JME_FLAG_SHUTDOWN, &jme->flags); | |
1189 | jwrite32(jme, JME_TMCSR, | |
1190 | TMCSR_EN | ((0xFFFFFF - APMC_PHP_SHUTDOWN_DELAY) & TMCSR_CNT)); | |
1191 | } | |
1192 | ||
1193 | static void | |
1194 | jme_stop_shutdown_timer(struct jme_adapter *jme) | |
1195 | { | |
1196 | u32 apmc; | |
1197 | ||
1198 | jwrite32f(jme, JME_TMCSR, 0); | |
1199 | jwrite32f(jme, JME_TIMER2, 0); | |
1200 | clear_bit(JME_FLAG_SHUTDOWN, &jme->flags); | |
1201 | ||
1202 | apmc = jread32(jme, JME_APMC); | |
1203 | apmc &= ~(JME_APMC_PCIE_SD_EN | JME_APMC_EPIEN_CTRL); | |
1204 | jwrite32f(jme, JME_APMC, apmc | JME_APMC_EPIEN_CTRL_DIS); | |
1205 | wmb(); | |
1206 | jwrite32f(jme, JME_APMC, apmc); | |
1207 | } | |
1208 | ||
3bf61c55 GFT |
1209 | static void |
1210 | jme_link_change_tasklet(unsigned long arg) | |
1211 | { | |
cd0ff491 | 1212 | struct jme_adapter *jme = (struct jme_adapter *)arg; |
fcf45b4c | 1213 | struct net_device *netdev = jme->dev; |
fcf45b4c GFT |
1214 | int rc; |
1215 | ||
cd0ff491 GFT |
1216 | while (!atomic_dec_and_test(&jme->link_changing)) { |
1217 | atomic_inc(&jme->link_changing); | |
7ca9ebee | 1218 | #if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,33) |
cd0ff491 | 1219 | msg_intr(jme, "Get link change lock failed.\n"); |
7ca9ebee GFT |
1220 | #else |
1221 | netif_info(jme, intr, jme->dev, "Get link change lock failed.\n"); | |
1222 | #endif | |
58c92f28 | 1223 | while (atomic_read(&jme->link_changing) != 1) |
7ca9ebee | 1224 | #if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,33) |
cd0ff491 | 1225 | msg_intr(jme, "Waiting link change lock.\n"); |
7ca9ebee GFT |
1226 | #else |
1227 | netif_info(jme, intr, jme->dev, "Waiting link change lock.\n"); | |
1228 | #endif | |
cd0ff491 | 1229 | } |
fcf45b4c | 1230 | |
cd0ff491 | 1231 | if (jme_check_link(netdev, 1) && jme->old_mtu == netdev->mtu) |
fcf45b4c GFT |
1232 | goto out; |
1233 | ||
29bdd921 | 1234 | jme->old_mtu = netdev->mtu; |
fcf45b4c | 1235 | netif_stop_queue(netdev); |
cd0ff491 GFT |
1236 | if (jme_pseudo_hotplug_enabled(jme)) |
1237 | jme_stop_shutdown_timer(jme); | |
1238 | ||
1239 | jme_stop_pcc_timer(jme); | |
1240 | tasklet_disable(&jme->txclean_task); | |
1241 | tasklet_disable(&jme->rxclean_task); | |
1242 | tasklet_disable(&jme->rxempty_task); | |
1243 | ||
1244 | if (netif_carrier_ok(netdev)) { | |
1245 | jme_reset_ghc_speed(jme); | |
1246 | jme_disable_rx_engine(jme); | |
1247 | jme_disable_tx_engine(jme); | |
fcf45b4c GFT |
1248 | jme_reset_mac_processor(jme); |
1249 | jme_free_rx_resources(jme); | |
1250 | jme_free_tx_resources(jme); | |
192570e0 | 1251 | |
cd0ff491 | 1252 | if (test_bit(JME_FLAG_POLL, &jme->flags)) |
192570e0 | 1253 | jme_polling_mode(jme); |
cd0ff491 GFT |
1254 | |
1255 | netif_carrier_off(netdev); | |
fcf45b4c GFT |
1256 | } |
1257 | ||
1258 | jme_check_link(netdev, 0); | |
cd0ff491 | 1259 | if (netif_carrier_ok(netdev)) { |
fcf45b4c | 1260 | rc = jme_setup_rx_resources(jme); |
cd0ff491 GFT |
1261 | if (rc) { |
1262 | jeprintk(jme->pdev, "Allocating resources for RX error" | |
fcf45b4c | 1263 | ", Device STOPPED!\n"); |
cd0ff491 | 1264 | goto out_enable_tasklet; |
fcf45b4c GFT |
1265 | } |
1266 | ||
fcf45b4c | 1267 | rc = jme_setup_tx_resources(jme); |
cd0ff491 GFT |
1268 | if (rc) { |
1269 | jeprintk(jme->pdev, "Allocating resources for TX error" | |
fcf45b4c GFT |
1270 | ", Device STOPPED!\n"); |
1271 | goto err_out_free_rx_resources; | |
1272 | } | |
1273 | ||
1274 | jme_enable_rx_engine(jme); | |
1275 | jme_enable_tx_engine(jme); | |
1276 | ||
1277 | netif_start_queue(netdev); | |
192570e0 | 1278 | |
cd0ff491 | 1279 | if (test_bit(JME_FLAG_POLL, &jme->flags)) |
192570e0 | 1280 | jme_interrupt_mode(jme); |
192570e0 | 1281 | |
79ce639c | 1282 | jme_start_pcc_timer(jme); |
cd0ff491 GFT |
1283 | } else if (jme_pseudo_hotplug_enabled(jme)) { |
1284 | jme_start_shutdown_timer(jme); | |
fcf45b4c GFT |
1285 | } |
1286 | ||
cd0ff491 | 1287 | goto out_enable_tasklet; |
fcf45b4c GFT |
1288 | |
1289 | err_out_free_rx_resources: | |
1290 | jme_free_rx_resources(jme); | |
cd0ff491 GFT |
1291 | out_enable_tasklet: |
1292 | tasklet_enable(&jme->txclean_task); | |
1293 | tasklet_hi_enable(&jme->rxclean_task); | |
1294 | tasklet_hi_enable(&jme->rxempty_task); | |
fcf45b4c GFT |
1295 | out: |
1296 | atomic_inc(&jme->link_changing); | |
3bf61c55 | 1297 | } |
d7699f87 | 1298 | |
3bf61c55 GFT |
1299 | static void |
1300 | jme_rx_clean_tasklet(unsigned long arg) | |
1301 | { | |
cd0ff491 | 1302 | struct jme_adapter *jme = (struct jme_adapter *)arg; |
79ce639c | 1303 | struct dynpcc_info *dpi = &(jme->dpi); |
d7699f87 | 1304 | |
192570e0 GFT |
1305 | jme_process_receive(jme, jme->rx_ring_size); |
1306 | ++(dpi->intr_cnt); | |
42b1055e | 1307 | |
192570e0 | 1308 | } |
fcf45b4c | 1309 | |
192570e0 | 1310 | static int |
cdcdc9eb | 1311 | jme_poll(JME_NAPI_HOLDER(holder), JME_NAPI_WEIGHT(budget)) |
192570e0 | 1312 | { |
cdcdc9eb | 1313 | struct jme_adapter *jme = jme_napi_priv(holder); |
3b70a6fa | 1314 | DECLARE_NETDEV |
192570e0 | 1315 | int rest; |
fcf45b4c | 1316 | |
cdcdc9eb | 1317 | rest = jme_process_receive(jme, JME_NAPI_WEIGHT_VAL(budget)); |
fcf45b4c | 1318 | |
cd0ff491 | 1319 | while (atomic_read(&jme->rx_empty) > 0) { |
cdcdc9eb | 1320 | atomic_dec(&jme->rx_empty); |
192570e0 GFT |
1321 | ++(NET_STAT(jme).rx_dropped); |
1322 | jme_restart_rx_engine(jme); | |
1323 | } | |
1324 | atomic_inc(&jme->rx_empty); | |
1325 | ||
cd0ff491 | 1326 | if (rest) { |
cdcdc9eb | 1327 | JME_RX_COMPLETE(netdev, holder); |
192570e0 GFT |
1328 | jme_interrupt_mode(jme); |
1329 | } | |
1330 | ||
cdcdc9eb GFT |
1331 | JME_NAPI_WEIGHT_SET(budget, rest); |
1332 | return JME_NAPI_WEIGHT_VAL(budget) - rest; | |
fcf45b4c GFT |
1333 | } |
1334 | ||
1335 | static void | |
1336 | jme_rx_empty_tasklet(unsigned long arg) | |
1337 | { | |
cd0ff491 | 1338 | struct jme_adapter *jme = (struct jme_adapter *)arg; |
fcf45b4c | 1339 | |
cd0ff491 | 1340 | if (unlikely(atomic_read(&jme->link_changing) != 1)) |
fcf45b4c GFT |
1341 | return; |
1342 | ||
cd0ff491 | 1343 | if (unlikely(!netif_carrier_ok(jme->dev))) |
fcf45b4c GFT |
1344 | return; |
1345 | ||
7ca9ebee | 1346 | #if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,33) |
cd0ff491 | 1347 | msg_rx_status(jme, "RX Queue Full!\n"); |
7ca9ebee GFT |
1348 | #else |
1349 | netif_info(jme, rx_status, jme->dev, "RX Queue Full!\n"); | |
1350 | #endif | |
29bdd921 | 1351 | |
fcf45b4c | 1352 | jme_rx_clean_tasklet(arg); |
cdcdc9eb | 1353 | |
cd0ff491 | 1354 | while (atomic_read(&jme->rx_empty) > 0) { |
cdcdc9eb GFT |
1355 | atomic_dec(&jme->rx_empty); |
1356 | ++(NET_STAT(jme).rx_dropped); | |
1357 | jme_restart_rx_engine(jme); | |
1358 | } | |
1359 | atomic_inc(&jme->rx_empty); | |
4330c2f2 GFT |
1360 | } |
1361 | ||
b3821cc5 GFT |
1362 | static void |
1363 | jme_wake_queue_if_stopped(struct jme_adapter *jme) | |
1364 | { | |
0ede469c | 1365 | struct jme_ring *txring = &(jme->txring[0]); |
b3821cc5 GFT |
1366 | |
1367 | smp_wmb(); | |
cd0ff491 | 1368 | if (unlikely(netif_queue_stopped(jme->dev) && |
b3821cc5 | 1369 | atomic_read(&txring->nr_free) >= (jme->tx_wake_threshold))) { |
7ca9ebee | 1370 | #if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,33) |
cd0ff491 | 1371 | msg_tx_done(jme, "TX Queue Waked.\n"); |
7ca9ebee GFT |
1372 | #else |
1373 | netif_info(jme, tx_done, jme->dev, "TX Queue Waked.\n"); | |
1374 | #endif | |
b3821cc5 | 1375 | netif_wake_queue(jme->dev); |
b3821cc5 GFT |
1376 | } |
1377 | ||
1378 | } | |
1379 | ||
3bf61c55 GFT |
1380 | static void |
1381 | jme_tx_clean_tasklet(unsigned long arg) | |
4330c2f2 | 1382 | { |
cd0ff491 | 1383 | struct jme_adapter *jme = (struct jme_adapter *)arg; |
3bf61c55 | 1384 | struct jme_ring *txring = &(jme->txring[0]); |
cd0ff491 | 1385 | struct txdesc *txdesc = txring->desc; |
3bf61c55 | 1386 | struct jme_buffer_info *txbi = txring->bufinf, *ctxbi, *ttxbi; |
b3821cc5 | 1387 | int i, j, cnt = 0, max, err, mask; |
3bf61c55 | 1388 | |
cd0ff491 GFT |
1389 | tx_dbg(jme, "Into txclean.\n"); |
1390 | ||
1391 | if (unlikely(!atomic_dec_and_test(&jme->tx_cleaning))) | |
fcf45b4c GFT |
1392 | goto out; |
1393 | ||
cd0ff491 | 1394 | if (unlikely(atomic_read(&jme->link_changing) != 1)) |
fcf45b4c GFT |
1395 | goto out; |
1396 | ||
cd0ff491 | 1397 | if (unlikely(!netif_carrier_ok(jme->dev))) |
fcf45b4c GFT |
1398 | goto out; |
1399 | ||
b3821cc5 GFT |
1400 | max = jme->tx_ring_size - atomic_read(&txring->nr_free); |
1401 | mask = jme->tx_ring_mask; | |
3bf61c55 | 1402 | |
cd0ff491 | 1403 | for (i = atomic_read(&txring->next_to_clean) ; cnt < max ; ) { |
3bf61c55 GFT |
1404 | |
1405 | ctxbi = txbi + i; | |
1406 | ||
cd0ff491 | 1407 | if (likely(ctxbi->skb && |
b3821cc5 | 1408 | !(txdesc[i].descwb.flags & TXWBFLAG_OWN))) { |
8c198884 | 1409 | |
cd0ff491 GFT |
1410 | tx_dbg(jme, "txclean: %d+%d@%lu\n", |
1411 | i, ctxbi->nr_desc, jiffies); | |
3bf61c55 | 1412 | |
cd0ff491 | 1413 | err = txdesc[i].descwb.flags & TXWBFLAG_ALLERR; |
3bf61c55 | 1414 | |
cd0ff491 | 1415 | for (j = 1 ; j < ctxbi->nr_desc ; ++j) { |
b3821cc5 GFT |
1416 | ttxbi = txbi + ((i + j) & (mask)); |
1417 | txdesc[(i + j) & (mask)].dw[0] = 0; | |
3bf61c55 | 1418 | |
b3821cc5 | 1419 | pci_unmap_page(jme->pdev, |
3bf61c55 GFT |
1420 | ttxbi->mapping, |
1421 | ttxbi->len, | |
1422 | PCI_DMA_TODEVICE); | |
1423 | ||
3bf61c55 GFT |
1424 | ttxbi->mapping = 0; |
1425 | ttxbi->len = 0; | |
1426 | } | |
1427 | ||
1428 | dev_kfree_skb(ctxbi->skb); | |
3bf61c55 GFT |
1429 | |
1430 | cnt += ctxbi->nr_desc; | |
1431 | ||
cd0ff491 | 1432 | if (unlikely(err)) { |
8c198884 | 1433 | ++(NET_STAT(jme).tx_carrier_errors); |
cd0ff491 | 1434 | } else { |
8c198884 | 1435 | ++(NET_STAT(jme).tx_packets); |
b3821cc5 GFT |
1436 | NET_STAT(jme).tx_bytes += ctxbi->len; |
1437 | } | |
1438 | ||
1439 | ctxbi->skb = NULL; | |
1440 | ctxbi->len = 0; | |
cdcdc9eb | 1441 | ctxbi->start_xmit = 0; |
cd0ff491 GFT |
1442 | |
1443 | } else { | |
3bf61c55 GFT |
1444 | break; |
1445 | } | |
1446 | ||
b3821cc5 | 1447 | i = (i + ctxbi->nr_desc) & mask; |
3bf61c55 GFT |
1448 | |
1449 | ctxbi->nr_desc = 0; | |
d7699f87 GFT |
1450 | } |
1451 | ||
cd0ff491 | 1452 | tx_dbg(jme, "txclean: done %d@%lu.\n", i, jiffies); |
cdcdc9eb | 1453 | atomic_set(&txring->next_to_clean, i); |
79ce639c | 1454 | atomic_add(cnt, &txring->nr_free); |
3bf61c55 | 1455 | |
b3821cc5 GFT |
1456 | jme_wake_queue_if_stopped(jme); |
1457 | ||
fcf45b4c GFT |
1458 | out: |
1459 | atomic_inc(&jme->tx_cleaning); | |
d7699f87 GFT |
1460 | } |
1461 | ||
79ce639c | 1462 | static void |
cd0ff491 | 1463 | jme_intr_msi(struct jme_adapter *jme, u32 intrstat) |
d7699f87 | 1464 | { |
3bf61c55 GFT |
1465 | /* |
1466 | * Disable interrupt | |
1467 | */ | |
1468 | jwrite32f(jme, JME_IENC, INTR_ENABLE); | |
d7699f87 | 1469 | |
cd0ff491 | 1470 | if (intrstat & (INTR_LINKCH | INTR_SWINTR)) { |
47220951 GFT |
1471 | /* |
1472 | * Link change event is critical | |
1473 | * all other events are ignored | |
1474 | */ | |
1475 | jwrite32(jme, JME_IEVE, intrstat); | |
3bf61c55 | 1476 | tasklet_schedule(&jme->linkch_task); |
29bdd921 | 1477 | goto out_reenable; |
fcf45b4c | 1478 | } |
d7699f87 | 1479 | |
cd0ff491 | 1480 | if (intrstat & INTR_TMINTR) { |
47220951 | 1481 | jwrite32(jme, JME_IEVE, INTR_TMINTR); |
79ce639c | 1482 | tasklet_schedule(&jme->pcc_task); |
47220951 | 1483 | } |
79ce639c | 1484 | |
cd0ff491 | 1485 | if (intrstat & (INTR_PCCTXTO | INTR_PCCTX)) { |
47220951 | 1486 | jwrite32(jme, JME_IEVE, INTR_PCCTXTO | INTR_PCCTX | INTR_TX0); |
4330c2f2 | 1487 | tasklet_schedule(&jme->txclean_task); |
47220951 GFT |
1488 | } |
1489 | ||
cd0ff491 | 1490 | if ((intrstat & (INTR_PCCRX0TO | INTR_PCCRX0 | INTR_RX0EMP))) { |
47220951 GFT |
1491 | jwrite32(jme, JME_IEVE, (intrstat & (INTR_PCCRX0TO | |
1492 | INTR_PCCRX0 | | |
1493 | INTR_RX0EMP)) | | |
1494 | INTR_RX0); | |
1495 | } | |
d7699f87 | 1496 | |
cd0ff491 GFT |
1497 | if (test_bit(JME_FLAG_POLL, &jme->flags)) { |
1498 | if (intrstat & INTR_RX0EMP) | |
192570e0 GFT |
1499 | atomic_inc(&jme->rx_empty); |
1500 | ||
cd0ff491 GFT |
1501 | if ((intrstat & (INTR_PCCRX0TO | INTR_PCCRX0 | INTR_RX0EMP))) { |
1502 | if (likely(JME_RX_SCHEDULE_PREP(jme))) { | |
192570e0 | 1503 | jme_polling_mode(jme); |
cdcdc9eb | 1504 | JME_RX_SCHEDULE(jme); |
192570e0 GFT |
1505 | } |
1506 | } | |
cd0ff491 GFT |
1507 | } else { |
1508 | if (intrstat & INTR_RX0EMP) { | |
cdcdc9eb | 1509 | atomic_inc(&jme->rx_empty); |
cd0ff491 GFT |
1510 | tasklet_hi_schedule(&jme->rxempty_task); |
1511 | } else if (intrstat & (INTR_PCCRX0TO | INTR_PCCRX0)) { | |
1512 | tasklet_hi_schedule(&jme->rxclean_task); | |
cdcdc9eb | 1513 | } |
4330c2f2 | 1514 | } |
d7699f87 | 1515 | |
29bdd921 | 1516 | out_reenable: |
3bf61c55 | 1517 | /* |
fcf45b4c | 1518 | * Re-enable interrupt |
3bf61c55 | 1519 | */ |
fcf45b4c | 1520 | jwrite32f(jme, JME_IENS, INTR_ENABLE); |
79ce639c GFT |
1521 | } |
1522 | ||
3b70a6fa GFT |
1523 | #if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,18) |
1524 | static irqreturn_t | |
1525 | jme_intr(int irq, void *dev_id, struct pt_regs *regs) | |
1526 | #else | |
79ce639c GFT |
1527 | static irqreturn_t |
1528 | jme_intr(int irq, void *dev_id) | |
3b70a6fa | 1529 | #endif |
79ce639c | 1530 | { |
cd0ff491 GFT |
1531 | struct net_device *netdev = dev_id; |
1532 | struct jme_adapter *jme = netdev_priv(netdev); | |
1533 | u32 intrstat; | |
79ce639c GFT |
1534 | |
1535 | intrstat = jread32(jme, JME_IEVE); | |
1536 | ||
1537 | /* | |
1538 | * Check if it's really an interrupt for us | |
1539 | */ | |
7ee473a3 | 1540 | if (unlikely((intrstat & INTR_ENABLE) == 0)) |
29bdd921 | 1541 | return IRQ_NONE; |
79ce639c GFT |
1542 | |
1543 | /* | |
1544 | * Check if the device still exist | |
1545 | */ | |
cd0ff491 GFT |
1546 | if (unlikely(intrstat == ~((typeof(intrstat))0))) |
1547 | return IRQ_NONE; | |
79ce639c GFT |
1548 | |
1549 | jme_intr_msi(jme, intrstat); | |
1550 | ||
cd0ff491 | 1551 | return IRQ_HANDLED; |
d7699f87 GFT |
1552 | } |
1553 | ||
3b70a6fa GFT |
1554 | #if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,18) |
1555 | static irqreturn_t | |
1556 | jme_msi(int irq, void *dev_id, struct pt_regs *regs) | |
1557 | #else | |
79ce639c GFT |
1558 | static irqreturn_t |
1559 | jme_msi(int irq, void *dev_id) | |
3b70a6fa | 1560 | #endif |
79ce639c | 1561 | { |
cd0ff491 GFT |
1562 | struct net_device *netdev = dev_id; |
1563 | struct jme_adapter *jme = netdev_priv(netdev); | |
1564 | u32 intrstat; | |
79ce639c | 1565 | |
0ede469c | 1566 | intrstat = jread32(jme, JME_IEVE); |
79ce639c GFT |
1567 | |
1568 | jme_intr_msi(jme, intrstat); | |
1569 | ||
cd0ff491 | 1570 | return IRQ_HANDLED; |
79ce639c GFT |
1571 | } |
1572 | ||
79ce639c GFT |
1573 | static void |
1574 | jme_reset_link(struct jme_adapter *jme) | |
1575 | { | |
1576 | jwrite32(jme, JME_TMCSR, TMCSR_SWIT); | |
1577 | } | |
1578 | ||
fcf45b4c GFT |
1579 | static void |
1580 | jme_restart_an(struct jme_adapter *jme) | |
1581 | { | |
cd0ff491 | 1582 | u32 bmcr; |
fcf45b4c | 1583 | |
cd0ff491 | 1584 | spin_lock_bh(&jme->phy_lock); |
fcf45b4c GFT |
1585 | bmcr = jme_mdio_read(jme->dev, jme->mii_if.phy_id, MII_BMCR); |
1586 | bmcr |= (BMCR_ANENABLE | BMCR_ANRESTART); | |
1587 | jme_mdio_write(jme->dev, jme->mii_if.phy_id, MII_BMCR, bmcr); | |
cd0ff491 | 1588 | spin_unlock_bh(&jme->phy_lock); |
79ce639c GFT |
1589 | } |
1590 | ||
1591 | static int | |
1592 | jme_request_irq(struct jme_adapter *jme) | |
1593 | { | |
1594 | int rc; | |
cd0ff491 | 1595 | struct net_device *netdev = jme->dev; |
3b70a6fa GFT |
1596 | #if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,18) |
1597 | irqreturn_t (*handler)(int, void *, struct pt_regs *) = jme_intr; | |
1598 | int irq_flags = SA_SHIRQ; | |
1599 | #else | |
cd0ff491 GFT |
1600 | irq_handler_t handler = jme_intr; |
1601 | int irq_flags = IRQF_SHARED; | |
3b70a6fa | 1602 | #endif |
cd0ff491 GFT |
1603 | |
1604 | if (!pci_enable_msi(jme->pdev)) { | |
1605 | set_bit(JME_FLAG_MSI, &jme->flags); | |
1606 | handler = jme_msi; | |
1607 | irq_flags = 0; | |
1608 | } | |
1609 | ||
1610 | rc = request_irq(jme->pdev->irq, handler, irq_flags, netdev->name, | |
1611 | netdev); | |
1612 | if (rc) { | |
1613 | jeprintk(jme->pdev, | |
b3821cc5 | 1614 | "Unable to request %s interrupt (return: %d)\n", |
cd0ff491 GFT |
1615 | test_bit(JME_FLAG_MSI, &jme->flags) ? "MSI" : "INTx", |
1616 | rc); | |
79ce639c | 1617 | |
cd0ff491 GFT |
1618 | if (test_bit(JME_FLAG_MSI, &jme->flags)) { |
1619 | pci_disable_msi(jme->pdev); | |
1620 | clear_bit(JME_FLAG_MSI, &jme->flags); | |
79ce639c | 1621 | } |
cd0ff491 | 1622 | } else { |
79ce639c GFT |
1623 | netdev->irq = jme->pdev->irq; |
1624 | } | |
1625 | ||
cd0ff491 | 1626 | return rc; |
79ce639c GFT |
1627 | } |
1628 | ||
1629 | static void | |
1630 | jme_free_irq(struct jme_adapter *jme) | |
1631 | { | |
cd0ff491 GFT |
1632 | free_irq(jme->pdev->irq, jme->dev); |
1633 | if (test_bit(JME_FLAG_MSI, &jme->flags)) { | |
1634 | pci_disable_msi(jme->pdev); | |
1635 | clear_bit(JME_FLAG_MSI, &jme->flags); | |
79ce639c | 1636 | jme->dev->irq = jme->pdev->irq; |
cd0ff491 | 1637 | } |
fcf45b4c GFT |
1638 | } |
1639 | ||
3bf61c55 GFT |
1640 | static int |
1641 | jme_open(struct net_device *netdev) | |
d7699f87 GFT |
1642 | { |
1643 | struct jme_adapter *jme = netdev_priv(netdev); | |
cd0ff491 | 1644 | int rc; |
79ce639c | 1645 | |
42b1055e | 1646 | jme_clear_pm(jme); |
cdcdc9eb | 1647 | JME_NAPI_ENABLE(jme); |
d7699f87 | 1648 | |
0ede469c | 1649 | tasklet_enable(&jme->linkch_task); |
cd0ff491 GFT |
1650 | tasklet_enable(&jme->txclean_task); |
1651 | tasklet_hi_enable(&jme->rxclean_task); | |
1652 | tasklet_hi_enable(&jme->rxempty_task); | |
1653 | ||
79ce639c | 1654 | rc = jme_request_irq(jme); |
cd0ff491 | 1655 | if (rc) |
4330c2f2 | 1656 | goto err_out; |
79ce639c | 1657 | |
d7699f87 | 1658 | jme_start_irq(jme); |
42b1055e | 1659 | |
cd0ff491 | 1660 | if (test_bit(JME_FLAG_SSET, &jme->flags)) |
42b1055e GFT |
1661 | jme_set_settings(netdev, &jme->old_ecmd); |
1662 | else | |
1663 | jme_reset_phy_processor(jme); | |
1664 | ||
29bdd921 | 1665 | jme_reset_link(jme); |
d7699f87 GFT |
1666 | |
1667 | return 0; | |
1668 | ||
d7699f87 GFT |
1669 | err_out: |
1670 | netif_stop_queue(netdev); | |
1671 | netif_carrier_off(netdev); | |
4330c2f2 | 1672 | return rc; |
d7699f87 GFT |
1673 | } |
1674 | ||
7ee473a3 | 1675 | #ifdef CONFIG_PM |
42b1055e GFT |
1676 | static void |
1677 | jme_set_100m_half(struct jme_adapter *jme) | |
1678 | { | |
cd0ff491 | 1679 | u32 bmcr, tmp; |
42b1055e GFT |
1680 | |
1681 | bmcr = jme_mdio_read(jme->dev, jme->mii_if.phy_id, MII_BMCR); | |
1682 | tmp = bmcr & ~(BMCR_ANENABLE | BMCR_SPEED100 | | |
1683 | BMCR_SPEED1000 | BMCR_FULLDPLX); | |
1684 | tmp |= BMCR_SPEED100; | |
1685 | ||
1686 | if (bmcr != tmp) | |
1687 | jme_mdio_write(jme->dev, jme->mii_if.phy_id, MII_BMCR, tmp); | |
1688 | ||
cd0ff491 | 1689 | if (jme->fpgaver) |
cdcdc9eb GFT |
1690 | jwrite32(jme, JME_GHC, GHC_SPEED_100M | GHC_LINK_POLL); |
1691 | else | |
1692 | jwrite32(jme, JME_GHC, GHC_SPEED_100M); | |
42b1055e GFT |
1693 | } |
1694 | ||
47220951 GFT |
1695 | #define JME_WAIT_LINK_TIME 2000 /* 2000ms */ |
1696 | static void | |
1697 | jme_wait_link(struct jme_adapter *jme) | |
1698 | { | |
cd0ff491 | 1699 | u32 phylink, to = JME_WAIT_LINK_TIME; |
47220951 GFT |
1700 | |
1701 | mdelay(1000); | |
1702 | phylink = jme_linkstat_from_phy(jme); | |
cd0ff491 | 1703 | while (!(phylink & PHY_LINK_UP) && (to -= 10) > 0) { |
47220951 GFT |
1704 | mdelay(10); |
1705 | phylink = jme_linkstat_from_phy(jme); | |
1706 | } | |
1707 | } | |
7ee473a3 | 1708 | #endif |
47220951 | 1709 | |
cd0ff491 | 1710 | static inline void |
42b1055e GFT |
1711 | jme_phy_off(struct jme_adapter *jme) |
1712 | { | |
1713 | jme_mdio_write(jme->dev, jme->mii_if.phy_id, MII_BMCR, BMCR_PDOWN); | |
1714 | } | |
1715 | ||
3bf61c55 GFT |
1716 | static int |
1717 | jme_close(struct net_device *netdev) | |
d7699f87 GFT |
1718 | { |
1719 | struct jme_adapter *jme = netdev_priv(netdev); | |
1720 | ||
1721 | netif_stop_queue(netdev); | |
1722 | netif_carrier_off(netdev); | |
1723 | ||
1724 | jme_stop_irq(jme); | |
79ce639c | 1725 | jme_free_irq(jme); |
d7699f87 | 1726 | |
cdcdc9eb | 1727 | JME_NAPI_DISABLE(jme); |
192570e0 | 1728 | |
0ede469c GFT |
1729 | tasklet_disable(&jme->linkch_task); |
1730 | tasklet_disable(&jme->txclean_task); | |
1731 | tasklet_disable(&jme->rxclean_task); | |
1732 | tasklet_disable(&jme->rxempty_task); | |
8c198884 | 1733 | |
cd0ff491 GFT |
1734 | jme_reset_ghc_speed(jme); |
1735 | jme_disable_rx_engine(jme); | |
1736 | jme_disable_tx_engine(jme); | |
8c198884 | 1737 | jme_reset_mac_processor(jme); |
d7699f87 GFT |
1738 | jme_free_rx_resources(jme); |
1739 | jme_free_tx_resources(jme); | |
42b1055e | 1740 | jme->phylink = 0; |
b3821cc5 GFT |
1741 | jme_phy_off(jme); |
1742 | ||
1743 | return 0; | |
1744 | } | |
1745 | ||
1746 | static int | |
1747 | jme_alloc_txdesc(struct jme_adapter *jme, | |
1748 | struct sk_buff *skb) | |
1749 | { | |
0ede469c | 1750 | struct jme_ring *txring = &(jme->txring[0]); |
b3821cc5 GFT |
1751 | int idx, nr_alloc, mask = jme->tx_ring_mask; |
1752 | ||
1753 | idx = txring->next_to_use; | |
1754 | nr_alloc = skb_shinfo(skb)->nr_frags + 2; | |
1755 | ||
cd0ff491 | 1756 | if (unlikely(atomic_read(&txring->nr_free) < nr_alloc)) |
b3821cc5 GFT |
1757 | return -1; |
1758 | ||
1759 | atomic_sub(nr_alloc, &txring->nr_free); | |
42b1055e | 1760 | |
b3821cc5 GFT |
1761 | txring->next_to_use = (txring->next_to_use + nr_alloc) & mask; |
1762 | ||
1763 | return idx; | |
1764 | } | |
1765 | ||
1766 | static void | |
1767 | jme_fill_tx_map(struct pci_dev *pdev, | |
cd0ff491 | 1768 | struct txdesc *txdesc, |
b3821cc5 GFT |
1769 | struct jme_buffer_info *txbi, |
1770 | struct page *page, | |
cd0ff491 GFT |
1771 | u32 page_offset, |
1772 | u32 len, | |
1773 | u8 hidma) | |
b3821cc5 GFT |
1774 | { |
1775 | dma_addr_t dmaaddr; | |
1776 | ||
1777 | dmaaddr = pci_map_page(pdev, | |
1778 | page, | |
1779 | page_offset, | |
1780 | len, | |
1781 | PCI_DMA_TODEVICE); | |
1782 | ||
1783 | pci_dma_sync_single_for_device(pdev, | |
1784 | dmaaddr, | |
1785 | len, | |
1786 | PCI_DMA_TODEVICE); | |
1787 | ||
1788 | txdesc->dw[0] = 0; | |
1789 | txdesc->dw[1] = 0; | |
1790 | txdesc->desc2.flags = TXFLAG_OWN; | |
cd0ff491 | 1791 | txdesc->desc2.flags |= (hidma) ? TXFLAG_64BIT : 0; |
b3821cc5 GFT |
1792 | txdesc->desc2.datalen = cpu_to_le16(len); |
1793 | txdesc->desc2.bufaddrh = cpu_to_le32((__u64)dmaaddr >> 32); | |
1794 | txdesc->desc2.bufaddrl = cpu_to_le32( | |
1795 | (__u64)dmaaddr & 0xFFFFFFFFUL); | |
1796 | ||
1797 | txbi->mapping = dmaaddr; | |
1798 | txbi->len = len; | |
1799 | } | |
1800 | ||
1801 | static void | |
1802 | jme_map_tx_skb(struct jme_adapter *jme, struct sk_buff *skb, int idx) | |
1803 | { | |
0ede469c | 1804 | struct jme_ring *txring = &(jme->txring[0]); |
cd0ff491 | 1805 | struct txdesc *txdesc = txring->desc, *ctxdesc; |
b3821cc5 | 1806 | struct jme_buffer_info *txbi = txring->bufinf, *ctxbi; |
cd0ff491 | 1807 | u8 hidma = jme->dev->features & NETIF_F_HIGHDMA; |
b3821cc5 GFT |
1808 | int i, nr_frags = skb_shinfo(skb)->nr_frags; |
1809 | int mask = jme->tx_ring_mask; | |
1810 | struct skb_frag_struct *frag; | |
cd0ff491 | 1811 | u32 len; |
b3821cc5 | 1812 | |
cd0ff491 GFT |
1813 | for (i = 0 ; i < nr_frags ; ++i) { |
1814 | frag = &skb_shinfo(skb)->frags[i]; | |
b3821cc5 GFT |
1815 | ctxdesc = txdesc + ((idx + i + 2) & (mask)); |
1816 | ctxbi = txbi + ((idx + i + 2) & (mask)); | |
1817 | ||
1818 | jme_fill_tx_map(jme->pdev, ctxdesc, ctxbi, frag->page, | |
1819 | frag->page_offset, frag->size, hidma); | |
42b1055e | 1820 | } |
b3821cc5 | 1821 | |
cd0ff491 | 1822 | len = skb_is_nonlinear(skb) ? skb_headlen(skb) : skb->len; |
b3821cc5 GFT |
1823 | ctxdesc = txdesc + ((idx + 1) & (mask)); |
1824 | ctxbi = txbi + ((idx + 1) & (mask)); | |
1825 | jme_fill_tx_map(jme->pdev, ctxdesc, ctxbi, virt_to_page(skb->data), | |
1826 | offset_in_page(skb->data), len, hidma); | |
1827 | ||
1828 | } | |
1829 | ||
1830 | static int | |
1831 | jme_expand_header(struct jme_adapter *jme, struct sk_buff *skb) | |
1832 | { | |
3b70a6fa | 1833 | if (unlikely( |
0ede469c | 1834 | #if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,17) |
3b70a6fa GFT |
1835 | skb_shinfo(skb)->tso_size |
1836 | #else | |
1837 | skb_shinfo(skb)->gso_size | |
1838 | #endif | |
1839 | && skb_header_cloned(skb) && | |
b3821cc5 GFT |
1840 | pskb_expand_head(skb, 0, 0, GFP_ATOMIC))) { |
1841 | dev_kfree_skb(skb); | |
1842 | return -1; | |
1843 | } | |
1844 | ||
1845 | return 0; | |
1846 | } | |
1847 | ||
1848 | static int | |
3b70a6fa | 1849 | jme_tx_tso(struct sk_buff *skb, __le16 *mss, u8 *flags) |
b3821cc5 | 1850 | { |
0ede469c | 1851 | #if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,17) |
3b70a6fa GFT |
1852 | *mss = cpu_to_le16(skb_shinfo(skb)->tso_size << TXDESC_MSS_SHIFT); |
1853 | #else | |
1854 | *mss = cpu_to_le16(skb_shinfo(skb)->gso_size << TXDESC_MSS_SHIFT); | |
1855 | #endif | |
cd0ff491 | 1856 | if (*mss) { |
b3821cc5 GFT |
1857 | *flags |= TXFLAG_LSEN; |
1858 | ||
cd0ff491 | 1859 | if (skb->protocol == htons(ETH_P_IP)) { |
b3821cc5 GFT |
1860 | struct iphdr *iph = ip_hdr(skb); |
1861 | ||
1862 | iph->check = 0; | |
cd0ff491 | 1863 | tcp_hdr(skb)->check = ~csum_tcpudp_magic(iph->saddr, |
b3821cc5 GFT |
1864 | iph->daddr, 0, |
1865 | IPPROTO_TCP, | |
1866 | 0); | |
cd0ff491 | 1867 | } else { |
b3821cc5 GFT |
1868 | struct ipv6hdr *ip6h = ipv6_hdr(skb); |
1869 | ||
cd0ff491 | 1870 | tcp_hdr(skb)->check = ~csum_ipv6_magic(&ip6h->saddr, |
b3821cc5 GFT |
1871 | &ip6h->daddr, 0, |
1872 | IPPROTO_TCP, | |
1873 | 0); | |
1874 | } | |
1875 | ||
1876 | return 0; | |
1877 | } | |
1878 | ||
1879 | return 1; | |
1880 | } | |
1881 | ||
1882 | static void | |
cd0ff491 | 1883 | jme_tx_csum(struct jme_adapter *jme, struct sk_buff *skb, u8 *flags) |
b3821cc5 | 1884 | { |
3b70a6fa GFT |
1885 | #ifdef CHECKSUM_PARTIAL |
1886 | if (skb->ip_summed == CHECKSUM_PARTIAL) | |
1887 | #else | |
1888 | if (skb->ip_summed == CHECKSUM_HW) | |
1889 | #endif | |
1890 | { | |
cd0ff491 | 1891 | u8 ip_proto; |
b3821cc5 | 1892 | |
3b70a6fa GFT |
1893 | #if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,21) |
1894 | if (skb->protocol == htons(ETH_P_IP)) | |
1895 | ip_proto = ip_hdr(skb)->protocol; | |
1896 | else if (skb->protocol == htons(ETH_P_IPV6)) | |
1897 | ip_proto = ipv6_hdr(skb)->nexthdr; | |
1898 | else | |
1899 | ip_proto = 0; | |
1900 | #else | |
b3821cc5 | 1901 | switch (skb->protocol) { |
cd0ff491 | 1902 | case htons(ETH_P_IP): |
b3821cc5 GFT |
1903 | ip_proto = ip_hdr(skb)->protocol; |
1904 | break; | |
cd0ff491 | 1905 | case htons(ETH_P_IPV6): |
b3821cc5 GFT |
1906 | ip_proto = ipv6_hdr(skb)->nexthdr; |
1907 | break; | |
1908 | default: | |
1909 | ip_proto = 0; | |
1910 | break; | |
1911 | } | |
3b70a6fa | 1912 | #endif |
b3821cc5 | 1913 | |
cd0ff491 | 1914 | switch (ip_proto) { |
b3821cc5 GFT |
1915 | case IPPROTO_TCP: |
1916 | *flags |= TXFLAG_TCPCS; | |
1917 | break; | |
1918 | case IPPROTO_UDP: | |
1919 | *flags |= TXFLAG_UDPCS; | |
1920 | break; | |
1921 | default: | |
7ca9ebee | 1922 | #if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,33) |
cd0ff491 | 1923 | msg_tx_err(jme, "Error upper layer protocol.\n"); |
7ca9ebee GFT |
1924 | #else |
1925 | netif_err(jme, tx_err, jme->dev, "Error upper layer protocol.\n"); | |
1926 | #endif | |
b3821cc5 GFT |
1927 | break; |
1928 | } | |
1929 | } | |
1930 | } | |
1931 | ||
cd0ff491 | 1932 | static inline void |
3b70a6fa | 1933 | jme_tx_vlan(struct sk_buff *skb, __le16 *vlan, u8 *flags) |
b3821cc5 | 1934 | { |
cd0ff491 | 1935 | if (vlan_tx_tag_present(skb)) { |
b3821cc5 | 1936 | *flags |= TXFLAG_TAGON; |
3b70a6fa | 1937 | *vlan = cpu_to_le16(vlan_tx_tag_get(skb)); |
42b1055e | 1938 | } |
b3821cc5 GFT |
1939 | } |
1940 | ||
1941 | static int | |
3b70a6fa | 1942 | jme_fill_tx_desc(struct jme_adapter *jme, struct sk_buff *skb, int idx) |
b3821cc5 | 1943 | { |
0ede469c | 1944 | struct jme_ring *txring = &(jme->txring[0]); |
cd0ff491 | 1945 | struct txdesc *txdesc; |
b3821cc5 | 1946 | struct jme_buffer_info *txbi; |
cd0ff491 | 1947 | u8 flags; |
b3821cc5 | 1948 | |
cd0ff491 | 1949 | txdesc = (struct txdesc *)txring->desc + idx; |
b3821cc5 GFT |
1950 | txbi = txring->bufinf + idx; |
1951 | ||
1952 | txdesc->dw[0] = 0; | |
1953 | txdesc->dw[1] = 0; | |
1954 | txdesc->dw[2] = 0; | |
1955 | txdesc->dw[3] = 0; | |
1956 | txdesc->desc1.pktsize = cpu_to_le16(skb->len); | |
1957 | /* | |
1958 | * Set OWN bit at final. | |
1959 | * When kernel transmit faster than NIC. | |
1960 | * And NIC trying to send this descriptor before we tell | |
1961 | * it to start sending this TX queue. | |
1962 | * Other fields are already filled correctly. | |
1963 | */ | |
1964 | wmb(); | |
1965 | flags = TXFLAG_OWN | TXFLAG_INT; | |
cd0ff491 GFT |
1966 | /* |
1967 | * Set checksum flags while not tso | |
1968 | */ | |
1969 | if (jme_tx_tso(skb, &txdesc->desc1.mss, &flags)) | |
1970 | jme_tx_csum(jme, skb, &flags); | |
b3821cc5 | 1971 | jme_tx_vlan(skb, &txdesc->desc1.vlan, &flags); |
3b70a6fa | 1972 | jme_map_tx_skb(jme, skb, idx); |
b3821cc5 GFT |
1973 | txdesc->desc1.flags = flags; |
1974 | /* | |
1975 | * Set tx buffer info after telling NIC to send | |
1976 | * For better tx_clean timing | |
1977 | */ | |
1978 | wmb(); | |
1979 | txbi->nr_desc = skb_shinfo(skb)->nr_frags + 2; | |
1980 | txbi->skb = skb; | |
1981 | txbi->len = skb->len; | |
cd0ff491 GFT |
1982 | txbi->start_xmit = jiffies; |
1983 | if (!txbi->start_xmit) | |
8d27293f | 1984 | txbi->start_xmit = (0UL-1); |
d7699f87 GFT |
1985 | |
1986 | return 0; | |
1987 | } | |
1988 | ||
b3821cc5 GFT |
1989 | static void |
1990 | jme_stop_queue_if_full(struct jme_adapter *jme) | |
1991 | { | |
0ede469c | 1992 | struct jme_ring *txring = &(jme->txring[0]); |
cd0ff491 GFT |
1993 | struct jme_buffer_info *txbi = txring->bufinf; |
1994 | int idx = atomic_read(&txring->next_to_clean); | |
cdcdc9eb | 1995 | |
cd0ff491 | 1996 | txbi += idx; |
b3821cc5 GFT |
1997 | |
1998 | smp_wmb(); | |
cd0ff491 | 1999 | if (unlikely(atomic_read(&txring->nr_free) < (MAX_SKB_FRAGS+2))) { |
b3821cc5 | 2000 | netif_stop_queue(jme->dev); |
7ca9ebee | 2001 | #if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,33) |
cd0ff491 | 2002 | msg_tx_queued(jme, "TX Queue Paused.\n"); |
7ca9ebee GFT |
2003 | #else |
2004 | netif_info(jme, tx_queued, jme->dev, "TX Queue Paused.\n"); | |
2005 | #endif | |
b3821cc5 | 2006 | smp_wmb(); |
cd0ff491 GFT |
2007 | if (atomic_read(&txring->nr_free) |
2008 | >= (jme->tx_wake_threshold)) { | |
b3821cc5 | 2009 | netif_wake_queue(jme->dev); |
7ca9ebee | 2010 | #if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,33) |
cd0ff491 | 2011 | msg_tx_queued(jme, "TX Queue Fast Waked.\n"); |
7ca9ebee GFT |
2012 | #else |
2013 | netif_info(jme, tx_queued, jme->dev, "TX Queue Fast Waked.\n"); | |
2014 | #endif | |
b3821cc5 GFT |
2015 | } |
2016 | } | |
2017 | ||
cd0ff491 | 2018 | if (unlikely(txbi->start_xmit && |
cdcdc9eb GFT |
2019 | (jiffies - txbi->start_xmit) >= TX_TIMEOUT && |
2020 | txbi->skb)) { | |
2021 | netif_stop_queue(jme->dev); | |
7ca9ebee | 2022 | #if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,33) |
cd0ff491 | 2023 | msg_tx_queued(jme, "TX Queue Stopped %d@%lu.\n", idx, jiffies); |
7ca9ebee GFT |
2024 | #else |
2025 | netif_info(jme, tx_queued, jme->dev, "TX Queue Stopped %d@%lu.\n", idx, jiffies); | |
2026 | #endif | |
cdcdc9eb | 2027 | } |
b3821cc5 GFT |
2028 | } |
2029 | ||
3bf61c55 GFT |
2030 | /* |
2031 | * This function is already protected by netif_tx_lock() | |
2032 | */ | |
cd0ff491 | 2033 | |
7ca9ebee | 2034 | #if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,31) |
3bf61c55 | 2035 | static int |
7ca9ebee GFT |
2036 | #else |
2037 | static netdev_tx_t | |
2038 | #endif | |
3bf61c55 | 2039 | jme_start_xmit(struct sk_buff *skb, struct net_device *netdev) |
d7699f87 | 2040 | { |
cd0ff491 | 2041 | struct jme_adapter *jme = netdev_priv(netdev); |
b3821cc5 | 2042 | int idx; |
d7699f87 | 2043 | |
cd0ff491 | 2044 | if (unlikely(jme_expand_header(jme, skb))) { |
b3821cc5 GFT |
2045 | ++(NET_STAT(jme).tx_dropped); |
2046 | return NETDEV_TX_OK; | |
2047 | } | |
2048 | ||
2049 | idx = jme_alloc_txdesc(jme, skb); | |
79ce639c | 2050 | |
cd0ff491 | 2051 | if (unlikely(idx < 0)) { |
b3821cc5 | 2052 | netif_stop_queue(netdev); |
7ca9ebee | 2053 | #if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,33) |
cd0ff491 | 2054 | msg_tx_err(jme, "BUG! Tx ring full when queue awake!\n"); |
7ca9ebee GFT |
2055 | #else |
2056 | netif_err(jme, tx_err, jme->dev, "BUG! Tx ring full when queue awake!\n"); | |
2057 | #endif | |
d7699f87 | 2058 | |
cd0ff491 | 2059 | return NETDEV_TX_BUSY; |
b3821cc5 GFT |
2060 | } |
2061 | ||
3b70a6fa | 2062 | jme_fill_tx_desc(jme, skb, idx); |
b3821cc5 | 2063 | |
4330c2f2 GFT |
2064 | jwrite32(jme, JME_TXCS, jme->reg_txcs | |
2065 | TXCS_SELECT_QUEUE0 | | |
2066 | TXCS_QUEUE0S | | |
2067 | TXCS_ENABLE); | |
0ede469c | 2068 | #if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,29) |
d7699f87 | 2069 | netdev->trans_start = jiffies; |
0ede469c | 2070 | #endif |
d7699f87 | 2071 | |
cd0ff491 GFT |
2072 | tx_dbg(jme, "xmit: %d+%d@%lu\n", idx, |
2073 | skb_shinfo(skb)->nr_frags + 2, | |
2074 | jiffies); | |
b3821cc5 GFT |
2075 | jme_stop_queue_if_full(jme); |
2076 | ||
cd0ff491 | 2077 | return NETDEV_TX_OK; |
d7699f87 GFT |
2078 | } |
2079 | ||
3bf61c55 GFT |
2080 | static int |
2081 | jme_set_macaddr(struct net_device *netdev, void *p) | |
d7699f87 | 2082 | { |
cd0ff491 | 2083 | struct jme_adapter *jme = netdev_priv(netdev); |
d7699f87 | 2084 | struct sockaddr *addr = p; |
cd0ff491 | 2085 | u32 val; |
d7699f87 | 2086 | |
cd0ff491 | 2087 | if (netif_running(netdev)) |
d7699f87 GFT |
2088 | return -EBUSY; |
2089 | ||
cd0ff491 | 2090 | spin_lock_bh(&jme->macaddr_lock); |
d7699f87 GFT |
2091 | memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len); |
2092 | ||
186fc259 GFT |
2093 | val = (addr->sa_data[3] & 0xff) << 24 | |
2094 | (addr->sa_data[2] & 0xff) << 16 | | |
2095 | (addr->sa_data[1] & 0xff) << 8 | | |
2096 | (addr->sa_data[0] & 0xff); | |
4330c2f2 | 2097 | jwrite32(jme, JME_RXUMA_LO, val); |
186fc259 GFT |
2098 | val = (addr->sa_data[5] & 0xff) << 8 | |
2099 | (addr->sa_data[4] & 0xff); | |
4330c2f2 | 2100 | jwrite32(jme, JME_RXUMA_HI, val); |
cd0ff491 | 2101 | spin_unlock_bh(&jme->macaddr_lock); |
d7699f87 GFT |
2102 | |
2103 | return 0; | |
2104 | } | |
2105 | ||
3bf61c55 GFT |
2106 | static void |
2107 | jme_set_multi(struct net_device *netdev) | |
d7699f87 | 2108 | { |
3bf61c55 | 2109 | struct jme_adapter *jme = netdev_priv(netdev); |
d7699f87 | 2110 | u32 mc_hash[2] = {}; |
7ca9ebee | 2111 | #if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,33) |
d7699f87 | 2112 | int i; |
7ca9ebee | 2113 | #endif |
d7699f87 | 2114 | |
cd0ff491 | 2115 | spin_lock_bh(&jme->rxmcs_lock); |
8c198884 GFT |
2116 | |
2117 | jme->reg_rxmcs |= RXMCS_BRDFRAME | RXMCS_UNIFRAME; | |
d7699f87 | 2118 | |
cd0ff491 | 2119 | if (netdev->flags & IFF_PROMISC) { |
8c198884 | 2120 | jme->reg_rxmcs |= RXMCS_ALLFRAME; |
cd0ff491 | 2121 | } else if (netdev->flags & IFF_ALLMULTI) { |
8c198884 | 2122 | jme->reg_rxmcs |= RXMCS_ALLMULFRAME; |
cd0ff491 | 2123 | } else if (netdev->flags & IFF_MULTICAST) { |
3bf61c55 GFT |
2124 | struct dev_mc_list *mclist; |
2125 | int bit_nr; | |
d7699f87 | 2126 | |
8c198884 | 2127 | jme->reg_rxmcs |= RXMCS_MULFRAME | RXMCS_MULFILTERED; |
7ca9ebee | 2128 | #if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,33) |
3bf61c55 GFT |
2129 | for (i = 0, mclist = netdev->mc_list; |
2130 | mclist && i < netdev->mc_count; | |
2131 | ++i, mclist = mclist->next) { | |
7ca9ebee GFT |
2132 | #else |
2133 | netdev_for_each_mc_addr(mclist, netdev) { | |
2134 | #endif | |
cd0ff491 GFT |
2135 | bit_nr = ether_crc(ETH_ALEN, mclist->dmi_addr) & 0x3F; |
2136 | mc_hash[bit_nr >> 5] |= 1 << (bit_nr & 0x1F); | |
2137 | } | |
d7699f87 | 2138 | |
4330c2f2 GFT |
2139 | jwrite32(jme, JME_RXMCHT_LO, mc_hash[0]); |
2140 | jwrite32(jme, JME_RXMCHT_HI, mc_hash[1]); | |
d7699f87 GFT |
2141 | } |
2142 | ||
d7699f87 | 2143 | wmb(); |
8c198884 GFT |
2144 | jwrite32(jme, JME_RXMCS, jme->reg_rxmcs); |
2145 | ||
cd0ff491 | 2146 | spin_unlock_bh(&jme->rxmcs_lock); |
d7699f87 GFT |
2147 | } |
2148 | ||
3bf61c55 | 2149 | static int |
8c198884 | 2150 | jme_change_mtu(struct net_device *netdev, int new_mtu) |
d7699f87 | 2151 | { |
cd0ff491 | 2152 | struct jme_adapter *jme = netdev_priv(netdev); |
79ce639c | 2153 | |
cd0ff491 | 2154 | if (new_mtu == jme->old_mtu) |
29bdd921 GFT |
2155 | return 0; |
2156 | ||
cd0ff491 GFT |
2157 | if (((new_mtu + ETH_HLEN) > MAX_ETHERNET_JUMBO_PACKET_SIZE) || |
2158 | ((new_mtu) < IPV6_MIN_MTU)) | |
2159 | return -EINVAL; | |
79ce639c | 2160 | |
cd0ff491 | 2161 | if (new_mtu > 4000) { |
79ce639c GFT |
2162 | jme->reg_rxcs &= ~RXCS_FIFOTHNP; |
2163 | jme->reg_rxcs |= RXCS_FIFOTHNP_64QW; | |
2164 | jme_restart_rx_engine(jme); | |
cd0ff491 | 2165 | } else { |
79ce639c GFT |
2166 | jme->reg_rxcs &= ~RXCS_FIFOTHNP; |
2167 | jme->reg_rxcs |= RXCS_FIFOTHNP_128QW; | |
2168 | jme_restart_rx_engine(jme); | |
2169 | } | |
2170 | ||
cd0ff491 | 2171 | if (new_mtu > 1900) { |
b3821cc5 | 2172 | netdev->features &= ~(NETIF_F_HW_CSUM | |
3b70a6fa GFT |
2173 | NETIF_F_TSO |
2174 | #ifdef NETIF_F_TSO6 | |
2175 | | NETIF_F_TSO6 | |
2176 | #endif | |
2177 | ); | |
cd0ff491 GFT |
2178 | } else { |
2179 | if (test_bit(JME_FLAG_TXCSUM, &jme->flags)) | |
b3821cc5 | 2180 | netdev->features |= NETIF_F_HW_CSUM; |
cd0ff491 | 2181 | if (test_bit(JME_FLAG_TSO, &jme->flags)) |
3b70a6fa GFT |
2182 | netdev->features |= NETIF_F_TSO |
2183 | #ifdef NETIF_F_TSO6 | |
2184 | | NETIF_F_TSO6 | |
2185 | #endif | |
2186 | ; | |
79ce639c GFT |
2187 | } |
2188 | ||
cd0ff491 GFT |
2189 | netdev->mtu = new_mtu; |
2190 | jme_reset_link(jme); | |
79ce639c GFT |
2191 | |
2192 | return 0; | |
d7699f87 GFT |
2193 | } |
2194 | ||
8c198884 GFT |
2195 | static void |
2196 | jme_tx_timeout(struct net_device *netdev) | |
2197 | { | |
cd0ff491 | 2198 | struct jme_adapter *jme = netdev_priv(netdev); |
8c198884 | 2199 | |
cdcdc9eb GFT |
2200 | jme->phylink = 0; |
2201 | jme_reset_phy_processor(jme); | |
cd0ff491 | 2202 | if (test_bit(JME_FLAG_SSET, &jme->flags)) |
cdcdc9eb GFT |
2203 | jme_set_settings(netdev, &jme->old_ecmd); |
2204 | ||
8c198884 | 2205 | /* |
cdcdc9eb | 2206 | * Force to Reset the link again |
8c198884 | 2207 | */ |
29bdd921 | 2208 | jme_reset_link(jme); |
8c198884 GFT |
2209 | } |
2210 | ||
1e5ebebc GFT |
2211 | static inline void jme_pause_rx(struct jme_adapter *jme) |
2212 | { | |
2213 | atomic_dec(&jme->link_changing); | |
2214 | ||
2215 | jme_set_rx_pcc(jme, PCC_OFF); | |
2216 | if (test_bit(JME_FLAG_POLL, &jme->flags)) { | |
2217 | JME_NAPI_DISABLE(jme); | |
2218 | } else { | |
2219 | tasklet_disable(&jme->rxclean_task); | |
2220 | tasklet_disable(&jme->rxempty_task); | |
2221 | } | |
2222 | } | |
2223 | ||
2224 | static inline void jme_resume_rx(struct jme_adapter *jme) | |
2225 | { | |
2226 | struct dynpcc_info *dpi = &(jme->dpi); | |
2227 | ||
2228 | if (test_bit(JME_FLAG_POLL, &jme->flags)) { | |
2229 | JME_NAPI_ENABLE(jme); | |
2230 | } else { | |
2231 | tasklet_hi_enable(&jme->rxclean_task); | |
2232 | tasklet_hi_enable(&jme->rxempty_task); | |
2233 | } | |
2234 | dpi->cur = PCC_P1; | |
2235 | dpi->attempt = PCC_P1; | |
2236 | dpi->cnt = 0; | |
2237 | jme_set_rx_pcc(jme, PCC_P1); | |
2238 | ||
2239 | atomic_inc(&jme->link_changing); | |
2240 | } | |
2241 | ||
42b1055e GFT |
2242 | static void |
2243 | jme_vlan_rx_register(struct net_device *netdev, struct vlan_group *grp) | |
2244 | { | |
2245 | struct jme_adapter *jme = netdev_priv(netdev); | |
2246 | ||
1e5ebebc | 2247 | jme_pause_rx(jme); |
42b1055e | 2248 | jme->vlgrp = grp; |
1e5ebebc | 2249 | jme_resume_rx(jme); |
42b1055e GFT |
2250 | } |
2251 | ||
7ca9ebee GFT |
2252 | #if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,21) |
2253 | static void | |
2254 | jme_vlan_rx_kill_vid(struct net_device *netdev, unsigned short vid) | |
2255 | { | |
2256 | struct jme_adapter *jme = netdev_priv(netdev); | |
2257 | ||
7ca9ebee | 2258 | if(jme->vlgrp) { |
1e5ebebc | 2259 | jme_pause_rx(jme); |
7ca9ebee GFT |
2260 | #if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,20) |
2261 | jme->vlgrp->vlan_devices[vid] = NULL; | |
2262 | #else | |
2263 | vlan_group_set_device(jme->vlgrp, vid, NULL); | |
2264 | #endif | |
1e5ebebc | 2265 | jme_resume_rx(jme); |
7ca9ebee | 2266 | } |
7ca9ebee GFT |
2267 | } |
2268 | #endif | |
2269 | ||
3bf61c55 GFT |
2270 | static void |
2271 | jme_get_drvinfo(struct net_device *netdev, | |
2272 | struct ethtool_drvinfo *info) | |
d7699f87 | 2273 | { |
cd0ff491 | 2274 | struct jme_adapter *jme = netdev_priv(netdev); |
d7699f87 | 2275 | |
cd0ff491 GFT |
2276 | strcpy(info->driver, DRV_NAME); |
2277 | strcpy(info->version, DRV_VERSION); | |
2278 | strcpy(info->bus_info, pci_name(jme->pdev)); | |
d7699f87 GFT |
2279 | } |
2280 | ||
8c198884 GFT |
2281 | static int |
2282 | jme_get_regs_len(struct net_device *netdev) | |
2283 | { | |
cd0ff491 | 2284 | return JME_REG_LEN; |
8c198884 GFT |
2285 | } |
2286 | ||
2287 | static void | |
cd0ff491 | 2288 | mmapio_memcpy(struct jme_adapter *jme, u32 *p, u32 reg, int len) |
8c198884 GFT |
2289 | { |
2290 | int i; | |
2291 | ||
cd0ff491 | 2292 | for (i = 0 ; i < len ; i += 4) |
79ce639c | 2293 | p[i >> 2] = jread32(jme, reg + i); |
186fc259 | 2294 | } |
8c198884 | 2295 | |
186fc259 | 2296 | static void |
cd0ff491 | 2297 | mdio_memcpy(struct jme_adapter *jme, u32 *p, int reg_nr) |
186fc259 GFT |
2298 | { |
2299 | int i; | |
cd0ff491 | 2300 | u16 *p16 = (u16 *)p; |
186fc259 | 2301 | |
cd0ff491 | 2302 | for (i = 0 ; i < reg_nr ; ++i) |
186fc259 | 2303 | p16[i] = jme_mdio_read(jme->dev, jme->mii_if.phy_id, i); |
8c198884 GFT |
2304 | } |
2305 | ||
2306 | static void | |
2307 | jme_get_regs(struct net_device *netdev, struct ethtool_regs *regs, void *p) | |
2308 | { | |
cd0ff491 GFT |
2309 | struct jme_adapter *jme = netdev_priv(netdev); |
2310 | u32 *p32 = (u32 *)p; | |
8c198884 | 2311 | |
186fc259 | 2312 | memset(p, 0xFF, JME_REG_LEN); |
8c198884 GFT |
2313 | |
2314 | regs->version = 1; | |
2315 | mmapio_memcpy(jme, p32, JME_MAC, JME_MAC_LEN); | |
2316 | ||
2317 | p32 += 0x100 >> 2; | |
2318 | mmapio_memcpy(jme, p32, JME_PHY, JME_PHY_LEN); | |
2319 | ||
2320 | p32 += 0x100 >> 2; | |
2321 | mmapio_memcpy(jme, p32, JME_MISC, JME_MISC_LEN); | |
2322 | ||
2323 | p32 += 0x100 >> 2; | |
2324 | mmapio_memcpy(jme, p32, JME_RSS, JME_RSS_LEN); | |
2325 | ||
186fc259 GFT |
2326 | p32 += 0x100 >> 2; |
2327 | mdio_memcpy(jme, p32, JME_PHY_REG_NR); | |
8c198884 GFT |
2328 | } |
2329 | ||
2330 | static int | |
2331 | jme_get_coalesce(struct net_device *netdev, struct ethtool_coalesce *ecmd) | |
2332 | { | |
2333 | struct jme_adapter *jme = netdev_priv(netdev); | |
2334 | ||
8c198884 GFT |
2335 | ecmd->tx_coalesce_usecs = PCC_TX_TO; |
2336 | ecmd->tx_max_coalesced_frames = PCC_TX_CNT; | |
2337 | ||
cd0ff491 | 2338 | if (test_bit(JME_FLAG_POLL, &jme->flags)) { |
cdcdc9eb GFT |
2339 | ecmd->use_adaptive_rx_coalesce = false; |
2340 | ecmd->rx_coalesce_usecs = 0; | |
2341 | ecmd->rx_max_coalesced_frames = 0; | |
2342 | return 0; | |
2343 | } | |
2344 | ||
2345 | ecmd->use_adaptive_rx_coalesce = true; | |
2346 | ||
cd0ff491 | 2347 | switch (jme->dpi.cur) { |
8c198884 GFT |
2348 | case PCC_P1: |
2349 | ecmd->rx_coalesce_usecs = PCC_P1_TO; | |
2350 | ecmd->rx_max_coalesced_frames = PCC_P1_CNT; | |
2351 | break; | |
2352 | case PCC_P2: | |
2353 | ecmd->rx_coalesce_usecs = PCC_P2_TO; | |
2354 | ecmd->rx_max_coalesced_frames = PCC_P2_CNT; | |
2355 | break; | |
2356 | case PCC_P3: | |
2357 | ecmd->rx_coalesce_usecs = PCC_P3_TO; | |
2358 | ecmd->rx_max_coalesced_frames = PCC_P3_CNT; | |
2359 | break; | |
2360 | default: | |
2361 | break; | |
2362 | } | |
2363 | ||
2364 | return 0; | |
2365 | } | |
2366 | ||
192570e0 GFT |
2367 | static int |
2368 | jme_set_coalesce(struct net_device *netdev, struct ethtool_coalesce *ecmd) | |
2369 | { | |
2370 | struct jme_adapter *jme = netdev_priv(netdev); | |
2371 | struct dynpcc_info *dpi = &(jme->dpi); | |
2372 | ||
cd0ff491 | 2373 | if (netif_running(netdev)) |
cdcdc9eb GFT |
2374 | return -EBUSY; |
2375 | ||
7ca9ebee GFT |
2376 | if (ecmd->use_adaptive_rx_coalesce && |
2377 | test_bit(JME_FLAG_POLL, &jme->flags)) { | |
cd0ff491 | 2378 | clear_bit(JME_FLAG_POLL, &jme->flags); |
cdcdc9eb GFT |
2379 | jme->jme_rx = netif_rx; |
2380 | jme->jme_vlan_rx = vlan_hwaccel_rx; | |
192570e0 GFT |
2381 | dpi->cur = PCC_P1; |
2382 | dpi->attempt = PCC_P1; | |
2383 | dpi->cnt = 0; | |
2384 | jme_set_rx_pcc(jme, PCC_P1); | |
2385 | jme_interrupt_mode(jme); | |
7ca9ebee GFT |
2386 | } else if (!(ecmd->use_adaptive_rx_coalesce) && |
2387 | !(test_bit(JME_FLAG_POLL, &jme->flags))) { | |
cd0ff491 | 2388 | set_bit(JME_FLAG_POLL, &jme->flags); |
cdcdc9eb GFT |
2389 | jme->jme_rx = netif_receive_skb; |
2390 | jme->jme_vlan_rx = vlan_hwaccel_receive_skb; | |
192570e0 GFT |
2391 | jme_interrupt_mode(jme); |
2392 | } | |
2393 | ||
2394 | return 0; | |
2395 | } | |
2396 | ||
8c198884 GFT |
2397 | static void |
2398 | jme_get_pauseparam(struct net_device *netdev, | |
2399 | struct ethtool_pauseparam *ecmd) | |
2400 | { | |
2401 | struct jme_adapter *jme = netdev_priv(netdev); | |
cd0ff491 | 2402 | u32 val; |
8c198884 GFT |
2403 | |
2404 | ecmd->tx_pause = (jme->reg_txpfc & TXPFC_PF_EN) != 0; | |
2405 | ecmd->rx_pause = (jme->reg_rxmcs & RXMCS_FLOWCTRL) != 0; | |
2406 | ||
cd0ff491 GFT |
2407 | spin_lock_bh(&jme->phy_lock); |
2408 | val = jme_mdio_read(jme->dev, jme->mii_if.phy_id, MII_ADVERTISE); | |
2409 | spin_unlock_bh(&jme->phy_lock); | |
b3821cc5 GFT |
2410 | |
2411 | ecmd->autoneg = | |
2412 | (val & (ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM)) != 0; | |
8c198884 GFT |
2413 | } |
2414 | ||
2415 | static int | |
2416 | jme_set_pauseparam(struct net_device *netdev, | |
2417 | struct ethtool_pauseparam *ecmd) | |
2418 | { | |
2419 | struct jme_adapter *jme = netdev_priv(netdev); | |
cd0ff491 | 2420 | u32 val; |
8c198884 | 2421 | |
cd0ff491 | 2422 | if (((jme->reg_txpfc & TXPFC_PF_EN) != 0) ^ |
8c198884 GFT |
2423 | (ecmd->tx_pause != 0)) { |
2424 | ||
cd0ff491 | 2425 | if (ecmd->tx_pause) |
8c198884 GFT |
2426 | jme->reg_txpfc |= TXPFC_PF_EN; |
2427 | else | |
2428 | jme->reg_txpfc &= ~TXPFC_PF_EN; | |
2429 | ||
2430 | jwrite32(jme, JME_TXPFC, jme->reg_txpfc); | |
2431 | } | |
2432 | ||
cd0ff491 GFT |
2433 | spin_lock_bh(&jme->rxmcs_lock); |
2434 | if (((jme->reg_rxmcs & RXMCS_FLOWCTRL) != 0) ^ | |
8c198884 GFT |
2435 | (ecmd->rx_pause != 0)) { |
2436 | ||
cd0ff491 | 2437 | if (ecmd->rx_pause) |
8c198884 GFT |
2438 | jme->reg_rxmcs |= RXMCS_FLOWCTRL; |
2439 | else | |
2440 | jme->reg_rxmcs &= ~RXMCS_FLOWCTRL; | |
2441 | ||
2442 | jwrite32(jme, JME_RXMCS, jme->reg_rxmcs); | |
2443 | } | |
cd0ff491 | 2444 | spin_unlock_bh(&jme->rxmcs_lock); |
8c198884 | 2445 | |
cd0ff491 GFT |
2446 | spin_lock_bh(&jme->phy_lock); |
2447 | val = jme_mdio_read(jme->dev, jme->mii_if.phy_id, MII_ADVERTISE); | |
2448 | if (((val & (ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM)) != 0) ^ | |
8c198884 GFT |
2449 | (ecmd->autoneg != 0)) { |
2450 | ||
cd0ff491 | 2451 | if (ecmd->autoneg) |
8c198884 GFT |
2452 | val |= (ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM); |
2453 | else | |
2454 | val &= ~(ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM); | |
2455 | ||
b3821cc5 GFT |
2456 | jme_mdio_write(jme->dev, jme->mii_if.phy_id, |
2457 | MII_ADVERTISE, val); | |
8c198884 | 2458 | } |
cd0ff491 | 2459 | spin_unlock_bh(&jme->phy_lock); |
8c198884 GFT |
2460 | |
2461 | return 0; | |
2462 | } | |
2463 | ||
29bdd921 GFT |
2464 | static void |
2465 | jme_get_wol(struct net_device *netdev, | |
2466 | struct ethtool_wolinfo *wol) | |
2467 | { | |
2468 | struct jme_adapter *jme = netdev_priv(netdev); | |
2469 | ||
2470 | wol->supported = WAKE_MAGIC | WAKE_PHY; | |
2471 | ||
2472 | wol->wolopts = 0; | |
2473 | ||
cd0ff491 | 2474 | if (jme->reg_pmcs & (PMCS_LFEN | PMCS_LREN)) |
29bdd921 GFT |
2475 | wol->wolopts |= WAKE_PHY; |
2476 | ||
cd0ff491 | 2477 | if (jme->reg_pmcs & PMCS_MFEN) |
29bdd921 GFT |
2478 | wol->wolopts |= WAKE_MAGIC; |
2479 | ||
2480 | } | |
2481 | ||
2482 | static int | |
2483 | jme_set_wol(struct net_device *netdev, | |
2484 | struct ethtool_wolinfo *wol) | |
2485 | { | |
2486 | struct jme_adapter *jme = netdev_priv(netdev); | |
2487 | ||
cd0ff491 | 2488 | if (wol->wolopts & (WAKE_MAGICSECURE | |
29bdd921 GFT |
2489 | WAKE_UCAST | |
2490 | WAKE_MCAST | | |
2491 | WAKE_BCAST | | |
2492 | WAKE_ARP)) | |
2493 | return -EOPNOTSUPP; | |
2494 | ||
2495 | jme->reg_pmcs = 0; | |
2496 | ||
cd0ff491 | 2497 | if (wol->wolopts & WAKE_PHY) |
29bdd921 GFT |
2498 | jme->reg_pmcs |= PMCS_LFEN | PMCS_LREN; |
2499 | ||
cd0ff491 | 2500 | if (wol->wolopts & WAKE_MAGIC) |
29bdd921 GFT |
2501 | jme->reg_pmcs |= PMCS_MFEN; |
2502 | ||
cd0ff491 | 2503 | jwrite32(jme, JME_PMCS, jme->reg_pmcs); |
42b1055e | 2504 | |
29bdd921 GFT |
2505 | return 0; |
2506 | } | |
b3821cc5 | 2507 | |
3bf61c55 GFT |
2508 | static int |
2509 | jme_get_settings(struct net_device *netdev, | |
2510 | struct ethtool_cmd *ecmd) | |
d7699f87 GFT |
2511 | { |
2512 | struct jme_adapter *jme = netdev_priv(netdev); | |
2513 | int rc; | |
8c198884 | 2514 | |
cd0ff491 | 2515 | spin_lock_bh(&jme->phy_lock); |
d7699f87 | 2516 | rc = mii_ethtool_gset(&(jme->mii_if), ecmd); |
cd0ff491 | 2517 | spin_unlock_bh(&jme->phy_lock); |
d7699f87 GFT |
2518 | return rc; |
2519 | } | |
2520 | ||
3bf61c55 GFT |
2521 | static int |
2522 | jme_set_settings(struct net_device *netdev, | |
2523 | struct ethtool_cmd *ecmd) | |
d7699f87 GFT |
2524 | { |
2525 | struct jme_adapter *jme = netdev_priv(netdev); | |
cd0ff491 | 2526 | int rc, fdc = 0; |
fcf45b4c | 2527 | |
cd0ff491 | 2528 | if (ecmd->speed == SPEED_1000 && ecmd->autoneg != AUTONEG_ENABLE) |
8c198884 GFT |
2529 | return -EINVAL; |
2530 | ||
cd0ff491 | 2531 | if (jme->mii_if.force_media && |
79ce639c GFT |
2532 | ecmd->autoneg != AUTONEG_ENABLE && |
2533 | (jme->mii_if.full_duplex != ecmd->duplex)) | |
2534 | fdc = 1; | |
2535 | ||
cd0ff491 | 2536 | spin_lock_bh(&jme->phy_lock); |
d7699f87 | 2537 | rc = mii_ethtool_sset(&(jme->mii_if), ecmd); |
cd0ff491 | 2538 | spin_unlock_bh(&jme->phy_lock); |
fcf45b4c | 2539 | |
cd0ff491 | 2540 | if (!rc && fdc) |
79ce639c GFT |
2541 | jme_reset_link(jme); |
2542 | ||
cd0ff491 GFT |
2543 | if (!rc) { |
2544 | set_bit(JME_FLAG_SSET, &jme->flags); | |
29bdd921 GFT |
2545 | jme->old_ecmd = *ecmd; |
2546 | } | |
2547 | ||
d7699f87 GFT |
2548 | return rc; |
2549 | } | |
2550 | ||
cd0ff491 | 2551 | static u32 |
3bf61c55 GFT |
2552 | jme_get_link(struct net_device *netdev) |
2553 | { | |
d7699f87 GFT |
2554 | struct jme_adapter *jme = netdev_priv(netdev); |
2555 | return jread32(jme, JME_PHY_LINK) & PHY_LINK_UP; | |
2556 | } | |
2557 | ||
8c198884 | 2558 | static u32 |
cd0ff491 GFT |
2559 | jme_get_msglevel(struct net_device *netdev) |
2560 | { | |
2561 | struct jme_adapter *jme = netdev_priv(netdev); | |
2562 | return jme->msg_enable; | |
2563 | } | |
2564 | ||
2565 | static void | |
2566 | jme_set_msglevel(struct net_device *netdev, u32 value) | |
8c198884 | 2567 | { |
cd0ff491 GFT |
2568 | struct jme_adapter *jme = netdev_priv(netdev); |
2569 | jme->msg_enable = value; | |
2570 | } | |
8c198884 | 2571 | |
cd0ff491 GFT |
2572 | static u32 |
2573 | jme_get_rx_csum(struct net_device *netdev) | |
2574 | { | |
2575 | struct jme_adapter *jme = netdev_priv(netdev); | |
8c198884 GFT |
2576 | return jme->reg_rxmcs & RXMCS_CHECKSUM; |
2577 | } | |
2578 | ||
2579 | static int | |
2580 | jme_set_rx_csum(struct net_device *netdev, u32 on) | |
2581 | { | |
cd0ff491 | 2582 | struct jme_adapter *jme = netdev_priv(netdev); |
b3821cc5 | 2583 | |
cd0ff491 GFT |
2584 | spin_lock_bh(&jme->rxmcs_lock); |
2585 | if (on) | |
8c198884 GFT |
2586 | jme->reg_rxmcs |= RXMCS_CHECKSUM; |
2587 | else | |
2588 | jme->reg_rxmcs &= ~RXMCS_CHECKSUM; | |
2589 | jwrite32(jme, JME_RXMCS, jme->reg_rxmcs); | |
cd0ff491 | 2590 | spin_unlock_bh(&jme->rxmcs_lock); |
8c198884 GFT |
2591 | |
2592 | return 0; | |
2593 | } | |
2594 | ||
2595 | static int | |
2596 | jme_set_tx_csum(struct net_device *netdev, u32 on) | |
2597 | { | |
cd0ff491 | 2598 | struct jme_adapter *jme = netdev_priv(netdev); |
b3821cc5 | 2599 | |
cd0ff491 GFT |
2600 | if (on) { |
2601 | set_bit(JME_FLAG_TXCSUM, &jme->flags); | |
2602 | if (netdev->mtu <= 1900) | |
b3821cc5 | 2603 | netdev->features |= NETIF_F_HW_CSUM; |
cd0ff491 GFT |
2604 | } else { |
2605 | clear_bit(JME_FLAG_TXCSUM, &jme->flags); | |
8c198884 | 2606 | netdev->features &= ~NETIF_F_HW_CSUM; |
b3821cc5 | 2607 | } |
8c198884 GFT |
2608 | |
2609 | return 0; | |
2610 | } | |
2611 | ||
b3821cc5 GFT |
2612 | static int |
2613 | jme_set_tso(struct net_device *netdev, u32 on) | |
2614 | { | |
cd0ff491 | 2615 | struct jme_adapter *jme = netdev_priv(netdev); |
b3821cc5 | 2616 | |
cd0ff491 GFT |
2617 | if (on) { |
2618 | set_bit(JME_FLAG_TSO, &jme->flags); | |
2619 | if (netdev->mtu <= 1900) | |
3b70a6fa GFT |
2620 | netdev->features |= NETIF_F_TSO |
2621 | #ifdef NETIF_F_TSO6 | |
2622 | | NETIF_F_TSO6 | |
2623 | #endif | |
2624 | ; | |
cd0ff491 GFT |
2625 | } else { |
2626 | clear_bit(JME_FLAG_TSO, &jme->flags); | |
3b70a6fa GFT |
2627 | netdev->features &= ~(NETIF_F_TSO |
2628 | #ifdef NETIF_F_TSO6 | |
2629 | | NETIF_F_TSO6 | |
2630 | #endif | |
2631 | ); | |
b3821cc5 GFT |
2632 | } |
2633 | ||
cd0ff491 | 2634 | return 0; |
b3821cc5 GFT |
2635 | } |
2636 | ||
8c198884 GFT |
2637 | static int |
2638 | jme_nway_reset(struct net_device *netdev) | |
2639 | { | |
cd0ff491 | 2640 | struct jme_adapter *jme = netdev_priv(netdev); |
8c198884 GFT |
2641 | jme_restart_an(jme); |
2642 | return 0; | |
2643 | } | |
2644 | ||
cd0ff491 | 2645 | static u8 |
186fc259 GFT |
2646 | jme_smb_read(struct jme_adapter *jme, unsigned int addr) |
2647 | { | |
cd0ff491 | 2648 | u32 val; |
186fc259 GFT |
2649 | int to; |
2650 | ||
2651 | val = jread32(jme, JME_SMBCSR); | |
2652 | to = JME_SMB_BUSY_TIMEOUT; | |
cd0ff491 | 2653 | while ((val & SMBCSR_BUSY) && --to) { |
186fc259 GFT |
2654 | msleep(1); |
2655 | val = jread32(jme, JME_SMBCSR); | |
2656 | } | |
cd0ff491 | 2657 | if (!to) { |
7ca9ebee | 2658 | #if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,33) |
cd0ff491 | 2659 | msg_hw(jme, "SMB Bus Busy.\n"); |
7ca9ebee GFT |
2660 | #else |
2661 | netif_err(jme, hw, jme->dev, "SMB Bus Busy.\n"); | |
2662 | #endif | |
186fc259 GFT |
2663 | return 0xFF; |
2664 | } | |
2665 | ||
2666 | jwrite32(jme, JME_SMBINTF, | |
2667 | ((addr << SMBINTF_HWADDR_SHIFT) & SMBINTF_HWADDR) | | |
2668 | SMBINTF_HWRWN_READ | | |
2669 | SMBINTF_HWCMD); | |
2670 | ||
2671 | val = jread32(jme, JME_SMBINTF); | |
2672 | to = JME_SMB_BUSY_TIMEOUT; | |
cd0ff491 | 2673 | while ((val & SMBINTF_HWCMD) && --to) { |
186fc259 GFT |
2674 | msleep(1); |
2675 | val = jread32(jme, JME_SMBINTF); | |
2676 | } | |
cd0ff491 | 2677 | if (!to) { |
7ca9ebee | 2678 | #if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,33) |
cd0ff491 | 2679 | msg_hw(jme, "SMB Bus Busy.\n"); |
7ca9ebee GFT |
2680 | #else |
2681 | netif_err(jme, hw, jme->dev, "SMB Bus Busy.\n"); | |
2682 | #endif | |
186fc259 GFT |
2683 | return 0xFF; |
2684 | } | |
2685 | ||
2686 | return (val & SMBINTF_HWDATR) >> SMBINTF_HWDATR_SHIFT; | |
2687 | } | |
2688 | ||
2689 | static void | |
cd0ff491 | 2690 | jme_smb_write(struct jme_adapter *jme, unsigned int addr, u8 data) |
186fc259 | 2691 | { |
cd0ff491 | 2692 | u32 val; |
186fc259 GFT |
2693 | int to; |
2694 | ||
2695 | val = jread32(jme, JME_SMBCSR); | |
2696 | to = JME_SMB_BUSY_TIMEOUT; | |
cd0ff491 | 2697 | while ((val & SMBCSR_BUSY) && --to) { |
186fc259 GFT |
2698 | msleep(1); |
2699 | val = jread32(jme, JME_SMBCSR); | |
2700 | } | |
cd0ff491 | 2701 | if (!to) { |
7ca9ebee | 2702 | #if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,33) |
cd0ff491 | 2703 | msg_hw(jme, "SMB Bus Busy.\n"); |
7ca9ebee GFT |
2704 | #else |
2705 | netif_err(jme, hw, jme->dev, "SMB Bus Busy.\n"); | |
2706 | #endif | |
186fc259 GFT |
2707 | return; |
2708 | } | |
2709 | ||
2710 | jwrite32(jme, JME_SMBINTF, | |
2711 | ((data << SMBINTF_HWDATW_SHIFT) & SMBINTF_HWDATW) | | |
2712 | ((addr << SMBINTF_HWADDR_SHIFT) & SMBINTF_HWADDR) | | |
2713 | SMBINTF_HWRWN_WRITE | | |
2714 | SMBINTF_HWCMD); | |
2715 | ||
2716 | val = jread32(jme, JME_SMBINTF); | |
2717 | to = JME_SMB_BUSY_TIMEOUT; | |
cd0ff491 | 2718 | while ((val & SMBINTF_HWCMD) && --to) { |
186fc259 GFT |
2719 | msleep(1); |
2720 | val = jread32(jme, JME_SMBINTF); | |
2721 | } | |
cd0ff491 | 2722 | if (!to) { |
7ca9ebee | 2723 | #if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,33) |
cd0ff491 | 2724 | msg_hw(jme, "SMB Bus Busy.\n"); |
7ca9ebee GFT |
2725 | #else |
2726 | netif_err(jme, hw, jme->dev, "SMB Bus Busy.\n"); | |
2727 | #endif | |
186fc259 GFT |
2728 | return; |
2729 | } | |
2730 | ||
2731 | mdelay(2); | |
2732 | } | |
2733 | ||
2734 | static int | |
2735 | jme_get_eeprom_len(struct net_device *netdev) | |
2736 | { | |
cd0ff491 GFT |
2737 | struct jme_adapter *jme = netdev_priv(netdev); |
2738 | u32 val; | |
186fc259 | 2739 | val = jread32(jme, JME_SMBCSR); |
cd0ff491 | 2740 | return (val & SMBCSR_EEPROMD) ? JME_SMB_LEN : 0; |
186fc259 GFT |
2741 | } |
2742 | ||
2743 | static int | |
2744 | jme_get_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 | /* | |
8d27293f | 2751 | * ethtool will check the boundary for us |
186fc259 GFT |
2752 | */ |
2753 | eeprom->magic = JME_EEPROM_MAGIC; | |
cd0ff491 | 2754 | for (i = 0 ; i < len ; ++i) |
186fc259 GFT |
2755 | data[i] = jme_smb_read(jme, i + offset); |
2756 | ||
2757 | return 0; | |
2758 | } | |
2759 | ||
2760 | static int | |
2761 | jme_set_eeprom(struct net_device *netdev, | |
2762 | struct ethtool_eeprom *eeprom, u8 *data) | |
2763 | { | |
cd0ff491 | 2764 | struct jme_adapter *jme = netdev_priv(netdev); |
186fc259 GFT |
2765 | int i, offset = eeprom->offset, len = eeprom->len; |
2766 | ||
2767 | if (eeprom->magic != JME_EEPROM_MAGIC) | |
2768 | return -EINVAL; | |
2769 | ||
2770 | /* | |
8d27293f | 2771 | * ethtool will check the boundary for us |
186fc259 | 2772 | */ |
cd0ff491 | 2773 | for (i = 0 ; i < len ; ++i) |
186fc259 GFT |
2774 | jme_smb_write(jme, i + offset, data[i]); |
2775 | ||
2776 | return 0; | |
2777 | } | |
2778 | ||
3b70a6fa GFT |
2779 | #if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,18) |
2780 | static struct ethtool_ops jme_ethtool_ops = { | |
2781 | #else | |
d7699f87 | 2782 | static const struct ethtool_ops jme_ethtool_ops = { |
3b70a6fa | 2783 | #endif |
cd0ff491 | 2784 | .get_drvinfo = jme_get_drvinfo, |
8c198884 GFT |
2785 | .get_regs_len = jme_get_regs_len, |
2786 | .get_regs = jme_get_regs, | |
2787 | .get_coalesce = jme_get_coalesce, | |
192570e0 | 2788 | .set_coalesce = jme_set_coalesce, |
cd0ff491 GFT |
2789 | .get_pauseparam = jme_get_pauseparam, |
2790 | .set_pauseparam = jme_set_pauseparam, | |
29bdd921 GFT |
2791 | .get_wol = jme_get_wol, |
2792 | .set_wol = jme_set_wol, | |
d7699f87 GFT |
2793 | .get_settings = jme_get_settings, |
2794 | .set_settings = jme_set_settings, | |
2795 | .get_link = jme_get_link, | |
cd0ff491 GFT |
2796 | .get_msglevel = jme_get_msglevel, |
2797 | .set_msglevel = jme_set_msglevel, | |
8c198884 GFT |
2798 | .get_rx_csum = jme_get_rx_csum, |
2799 | .set_rx_csum = jme_set_rx_csum, | |
2800 | .set_tx_csum = jme_set_tx_csum, | |
b3821cc5 GFT |
2801 | .set_tso = jme_set_tso, |
2802 | .set_sg = ethtool_op_set_sg, | |
8c198884 | 2803 | .nway_reset = jme_nway_reset, |
186fc259 GFT |
2804 | .get_eeprom_len = jme_get_eeprom_len, |
2805 | .get_eeprom = jme_get_eeprom, | |
2806 | .set_eeprom = jme_set_eeprom, | |
d7699f87 GFT |
2807 | }; |
2808 | ||
3bf61c55 GFT |
2809 | static int |
2810 | jme_pci_dma64(struct pci_dev *pdev) | |
d7699f87 | 2811 | { |
3b70a6fa | 2812 | if (pdev->device == PCI_DEVICE_ID_JMICRON_JMC250 && |
0ede469c GFT |
2813 | #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,29) |
2814 | !pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) | |
2815 | #else | |
2816 | !pci_set_dma_mask(pdev, DMA_64BIT_MASK) | |
2817 | #endif | |
2818 | ) | |
2819 | #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,29) | |
2820 | if (!pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64))) | |
2821 | #else | |
cd0ff491 | 2822 | if (!pci_set_consistent_dma_mask(pdev, DMA_64BIT_MASK)) |
0ede469c | 2823 | #endif |
3bf61c55 GFT |
2824 | return 1; |
2825 | ||
3b70a6fa | 2826 | if (pdev->device == PCI_DEVICE_ID_JMICRON_JMC250 && |
0ede469c GFT |
2827 | #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,29) |
2828 | !pci_set_dma_mask(pdev, DMA_BIT_MASK(40)) | |
2829 | #else | |
2830 | !pci_set_dma_mask(pdev, DMA_40BIT_MASK) | |
2831 | #endif | |
2832 | ) | |
2833 | #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,29) | |
2834 | if (!pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(40))) | |
2835 | #else | |
cd0ff491 | 2836 | if (!pci_set_consistent_dma_mask(pdev, DMA_40BIT_MASK)) |
0ede469c | 2837 | #endif |
8c198884 GFT |
2838 | return 1; |
2839 | ||
0ede469c GFT |
2840 | #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,29) |
2841 | if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32))) | |
2842 | if (!pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32))) | |
2843 | #else | |
cd0ff491 GFT |
2844 | if (!pci_set_dma_mask(pdev, DMA_32BIT_MASK)) |
2845 | if (!pci_set_consistent_dma_mask(pdev, DMA_32BIT_MASK)) | |
0ede469c | 2846 | #endif |
3bf61c55 GFT |
2847 | return 0; |
2848 | ||
2849 | return -1; | |
2850 | } | |
2851 | ||
cd0ff491 | 2852 | static inline void |
cdcdc9eb GFT |
2853 | jme_phy_init(struct jme_adapter *jme) |
2854 | { | |
cd0ff491 | 2855 | u16 reg26; |
cdcdc9eb GFT |
2856 | |
2857 | reg26 = jme_mdio_read(jme->dev, jme->mii_if.phy_id, 26); | |
2858 | jme_mdio_write(jme->dev, jme->mii_if.phy_id, 26, reg26 | 0x1000); | |
2859 | } | |
2860 | ||
cd0ff491 | 2861 | static inline void |
cdcdc9eb | 2862 | jme_check_hw_ver(struct jme_adapter *jme) |
42b1055e | 2863 | { |
cd0ff491 | 2864 | u32 chipmode; |
cdcdc9eb GFT |
2865 | |
2866 | chipmode = jread32(jme, JME_CHIPMODE); | |
2867 | ||
2868 | jme->fpgaver = (chipmode & CM_FPGAVER_MASK) >> CM_FPGAVER_SHIFT; | |
58c92f28 | 2869 | jme->chiprev = (chipmode & CM_CHIPREV_MASK) >> CM_CHIPREV_SHIFT; |
42b1055e GFT |
2870 | } |
2871 | ||
3b70a6fa GFT |
2872 | #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,29) |
2873 | static const struct net_device_ops jme_netdev_ops = { | |
2874 | .ndo_open = jme_open, | |
2875 | .ndo_stop = jme_close, | |
2876 | .ndo_validate_addr = eth_validate_addr, | |
2877 | .ndo_start_xmit = jme_start_xmit, | |
2878 | .ndo_set_mac_address = jme_set_macaddr, | |
2879 | .ndo_set_multicast_list = jme_set_multi, | |
2880 | .ndo_change_mtu = jme_change_mtu, | |
2881 | .ndo_tx_timeout = jme_tx_timeout, | |
2882 | .ndo_vlan_rx_register = jme_vlan_rx_register, | |
2883 | }; | |
2884 | #endif | |
2885 | ||
3bf61c55 GFT |
2886 | static int __devinit |
2887 | jme_init_one(struct pci_dev *pdev, | |
2888 | const struct pci_device_id *ent) | |
2889 | { | |
cdcdc9eb | 2890 | int rc = 0, using_dac, i; |
d7699f87 GFT |
2891 | struct net_device *netdev; |
2892 | struct jme_adapter *jme; | |
cd0ff491 GFT |
2893 | u16 bmcr, bmsr; |
2894 | u32 apmc; | |
d7699f87 GFT |
2895 | |
2896 | /* | |
2897 | * set up PCI device basics | |
2898 | */ | |
4330c2f2 | 2899 | rc = pci_enable_device(pdev); |
cd0ff491 GFT |
2900 | if (rc) { |
2901 | jeprintk(pdev, "Cannot enable PCI device.\n"); | |
4330c2f2 GFT |
2902 | goto err_out; |
2903 | } | |
d7699f87 | 2904 | |
3bf61c55 | 2905 | using_dac = jme_pci_dma64(pdev); |
cd0ff491 GFT |
2906 | if (using_dac < 0) { |
2907 | jeprintk(pdev, "Cannot set PCI DMA Mask.\n"); | |
3bf61c55 GFT |
2908 | rc = -EIO; |
2909 | goto err_out_disable_pdev; | |
2910 | } | |
2911 | ||
cd0ff491 GFT |
2912 | if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) { |
2913 | jeprintk(pdev, "No PCI resource region found.\n"); | |
4330c2f2 GFT |
2914 | rc = -ENOMEM; |
2915 | goto err_out_disable_pdev; | |
2916 | } | |
d7699f87 | 2917 | |
4330c2f2 | 2918 | rc = pci_request_regions(pdev, DRV_NAME); |
cd0ff491 GFT |
2919 | if (rc) { |
2920 | jeprintk(pdev, "Cannot obtain PCI resource region.\n"); | |
4330c2f2 GFT |
2921 | goto err_out_disable_pdev; |
2922 | } | |
d7699f87 GFT |
2923 | |
2924 | pci_set_master(pdev); | |
2925 | ||
2926 | /* | |
2927 | * alloc and init net device | |
2928 | */ | |
3bf61c55 | 2929 | netdev = alloc_etherdev(sizeof(*jme)); |
cd0ff491 GFT |
2930 | if (!netdev) { |
2931 | jeprintk(pdev, "Cannot allocate netdev structure.\n"); | |
4330c2f2 GFT |
2932 | rc = -ENOMEM; |
2933 | goto err_out_release_regions; | |
d7699f87 | 2934 | } |
3b70a6fa GFT |
2935 | #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,29) |
2936 | netdev->netdev_ops = &jme_netdev_ops; | |
2937 | #else | |
d7699f87 GFT |
2938 | netdev->open = jme_open; |
2939 | netdev->stop = jme_close; | |
2940 | netdev->hard_start_xmit = jme_start_xmit; | |
d7699f87 GFT |
2941 | netdev->set_mac_address = jme_set_macaddr; |
2942 | netdev->set_multicast_list = jme_set_multi; | |
2943 | netdev->change_mtu = jme_change_mtu; | |
8c198884 | 2944 | netdev->tx_timeout = jme_tx_timeout; |
42b1055e | 2945 | netdev->vlan_rx_register = jme_vlan_rx_register; |
7ca9ebee GFT |
2946 | #if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,21) |
2947 | netdev->vlan_rx_kill_vid = jme_vlan_rx_kill_vid; | |
2948 | #endif | |
3bf61c55 | 2949 | NETDEV_GET_STATS(netdev, &jme_get_stats); |
3b70a6fa GFT |
2950 | #endif |
2951 | netdev->ethtool_ops = &jme_ethtool_ops; | |
2952 | netdev->watchdog_timeo = TX_TIMEOUT; | |
42b1055e | 2953 | netdev->features = NETIF_F_HW_CSUM | |
b3821cc5 GFT |
2954 | NETIF_F_SG | |
2955 | NETIF_F_TSO | | |
3b70a6fa | 2956 | #ifdef NETIF_F_TSO6 |
b3821cc5 | 2957 | NETIF_F_TSO6 | |
3b70a6fa | 2958 | #endif |
42b1055e GFT |
2959 | NETIF_F_HW_VLAN_TX | |
2960 | NETIF_F_HW_VLAN_RX; | |
cd0ff491 | 2961 | if (using_dac) |
8c198884 | 2962 | netdev->features |= NETIF_F_HIGHDMA; |
d7699f87 GFT |
2963 | |
2964 | SET_NETDEV_DEV(netdev, &pdev->dev); | |
2965 | pci_set_drvdata(pdev, netdev); | |
2966 | ||
2967 | /* | |
2968 | * init adapter info | |
2969 | */ | |
2970 | jme = netdev_priv(netdev); | |
2971 | jme->pdev = pdev; | |
2972 | jme->dev = netdev; | |
cdcdc9eb GFT |
2973 | jme->jme_rx = netif_rx; |
2974 | jme->jme_vlan_rx = vlan_hwaccel_rx; | |
29bdd921 | 2975 | jme->old_mtu = netdev->mtu = 1500; |
fcf45b4c | 2976 | jme->phylink = 0; |
b3821cc5 | 2977 | jme->tx_ring_size = 1 << 10; |
0ede469c | 2978 | jme->tx_ring_mask = jme->tx_ring_size - 1; |
b3821cc5 GFT |
2979 | jme->tx_wake_threshold = 1 << 9; |
2980 | jme->rx_ring_size = 1 << 9; | |
2981 | jme->rx_ring_mask = jme->rx_ring_size - 1; | |
cd0ff491 | 2982 | jme->msg_enable = JME_DEF_MSG_ENABLE; |
d7699f87 GFT |
2983 | jme->regs = ioremap(pci_resource_start(pdev, 0), |
2984 | pci_resource_len(pdev, 0)); | |
4330c2f2 | 2985 | if (!(jme->regs)) { |
cd0ff491 | 2986 | jeprintk(pdev, "Mapping PCI resource region error.\n"); |
d7699f87 GFT |
2987 | rc = -ENOMEM; |
2988 | goto err_out_free_netdev; | |
2989 | } | |
4330c2f2 | 2990 | |
cd0ff491 GFT |
2991 | if (no_pseudohp) { |
2992 | apmc = jread32(jme, JME_APMC) & ~JME_APMC_PSEUDO_HP_EN; | |
2993 | jwrite32(jme, JME_APMC, apmc); | |
2994 | } else if (force_pseudohp) { | |
2995 | apmc = jread32(jme, JME_APMC) | JME_APMC_PSEUDO_HP_EN; | |
2996 | jwrite32(jme, JME_APMC, apmc); | |
2997 | } | |
2998 | ||
cdcdc9eb | 2999 | NETIF_NAPI_SET(netdev, &jme->napi, jme_poll, jme->rx_ring_size >> 2) |
192570e0 | 3000 | |
d7699f87 | 3001 | spin_lock_init(&jme->phy_lock); |
fcf45b4c | 3002 | spin_lock_init(&jme->macaddr_lock); |
8c198884 | 3003 | spin_lock_init(&jme->rxmcs_lock); |
fcf45b4c | 3004 | |
fcf45b4c GFT |
3005 | atomic_set(&jme->link_changing, 1); |
3006 | atomic_set(&jme->rx_cleaning, 1); | |
3007 | atomic_set(&jme->tx_cleaning, 1); | |
192570e0 | 3008 | atomic_set(&jme->rx_empty, 1); |
fcf45b4c | 3009 | |
79ce639c | 3010 | tasklet_init(&jme->pcc_task, |
7ca9ebee | 3011 | jme_pcc_tasklet, |
79ce639c | 3012 | (unsigned long) jme); |
4330c2f2 | 3013 | tasklet_init(&jme->linkch_task, |
7ca9ebee | 3014 | jme_link_change_tasklet, |
4330c2f2 GFT |
3015 | (unsigned long) jme); |
3016 | tasklet_init(&jme->txclean_task, | |
7ca9ebee | 3017 | jme_tx_clean_tasklet, |
4330c2f2 GFT |
3018 | (unsigned long) jme); |
3019 | tasklet_init(&jme->rxclean_task, | |
7ca9ebee | 3020 | jme_rx_clean_tasklet, |
4330c2f2 | 3021 | (unsigned long) jme); |
fcf45b4c | 3022 | tasklet_init(&jme->rxempty_task, |
7ca9ebee | 3023 | jme_rx_empty_tasklet, |
fcf45b4c | 3024 | (unsigned long) jme); |
0ede469c | 3025 | tasklet_disable_nosync(&jme->linkch_task); |
cd0ff491 GFT |
3026 | tasklet_disable_nosync(&jme->txclean_task); |
3027 | tasklet_disable_nosync(&jme->rxclean_task); | |
3028 | tasklet_disable_nosync(&jme->rxempty_task); | |
8c198884 GFT |
3029 | jme->dpi.cur = PCC_P1; |
3030 | ||
cd0ff491 | 3031 | jme->reg_ghc = 0; |
79ce639c | 3032 | jme->reg_rxcs = RXCS_DEFAULT; |
8c198884 GFT |
3033 | jme->reg_rxmcs = RXMCS_DEFAULT; |
3034 | jme->reg_txpfc = 0; | |
47220951 | 3035 | jme->reg_pmcs = PMCS_MFEN; |
cd0ff491 GFT |
3036 | set_bit(JME_FLAG_TXCSUM, &jme->flags); |
3037 | set_bit(JME_FLAG_TSO, &jme->flags); | |
192570e0 | 3038 | |
fcf45b4c GFT |
3039 | /* |
3040 | * Get Max Read Req Size from PCI Config Space | |
3041 | */ | |
cd0ff491 GFT |
3042 | pci_read_config_byte(pdev, PCI_DCSR_MRRS, &jme->mrrs); |
3043 | jme->mrrs &= PCI_DCSR_MRRS_MASK; | |
3044 | switch (jme->mrrs) { | |
3045 | case MRRS_128B: | |
3046 | jme->reg_txcs = TXCS_DEFAULT | TXCS_DMASIZE_128B; | |
3047 | break; | |
3048 | case MRRS_256B: | |
3049 | jme->reg_txcs = TXCS_DEFAULT | TXCS_DMASIZE_256B; | |
3050 | break; | |
3051 | default: | |
3052 | jme->reg_txcs = TXCS_DEFAULT | TXCS_DMASIZE_512B; | |
3053 | break; | |
fcf45b4c GFT |
3054 | }; |
3055 | ||
d7699f87 | 3056 | /* |
cdcdc9eb | 3057 | * Must check before reset_mac_processor |
d7699f87 | 3058 | */ |
cdcdc9eb GFT |
3059 | jme_check_hw_ver(jme); |
3060 | jme->mii_if.dev = netdev; | |
cd0ff491 | 3061 | if (jme->fpgaver) { |
cdcdc9eb | 3062 | jme->mii_if.phy_id = 0; |
cd0ff491 | 3063 | for (i = 1 ; i < 32 ; ++i) { |
cdcdc9eb GFT |
3064 | bmcr = jme_mdio_read(netdev, i, MII_BMCR); |
3065 | bmsr = jme_mdio_read(netdev, i, MII_BMSR); | |
cd0ff491 | 3066 | if (bmcr != 0xFFFFU && (bmcr != 0 || bmsr != 0)) { |
cdcdc9eb GFT |
3067 | jme->mii_if.phy_id = i; |
3068 | break; | |
3069 | } | |
3070 | } | |
3071 | ||
cd0ff491 | 3072 | if (!jme->mii_if.phy_id) { |
cdcdc9eb | 3073 | rc = -EIO; |
cd0ff491 | 3074 | jeprintk(pdev, "Can not find phy_id.\n"); |
0ede469c | 3075 | goto err_out_unmap; |
cdcdc9eb GFT |
3076 | } |
3077 | ||
3078 | jme->reg_ghc |= GHC_LINK_POLL; | |
cd0ff491 | 3079 | } else { |
cdcdc9eb GFT |
3080 | jme->mii_if.phy_id = 1; |
3081 | } | |
cd0ff491 | 3082 | if (pdev->device == PCI_DEVICE_ID_JMICRON_JMC250) |
8d27293f GFT |
3083 | jme->mii_if.supports_gmii = true; |
3084 | else | |
3085 | jme->mii_if.supports_gmii = false; | |
cdcdc9eb GFT |
3086 | jme->mii_if.mdio_read = jme_mdio_read; |
3087 | jme->mii_if.mdio_write = jme_mdio_write; | |
3088 | ||
d7699f87 | 3089 | jme_clear_pm(jme); |
58c92f28 | 3090 | jme_set_phyfifoa(jme); |
cd0ff491 GFT |
3091 | pci_read_config_byte(pdev, PCI_REVISION_ID, &jme->rev); |
3092 | if (!jme->fpgaver) | |
cdcdc9eb | 3093 | jme_phy_init(jme); |
42b1055e | 3094 | jme_phy_off(jme); |
cdcdc9eb GFT |
3095 | |
3096 | /* | |
3097 | * Reset MAC processor and reload EEPROM for MAC Address | |
3098 | */ | |
d7699f87 | 3099 | jme_reset_mac_processor(jme); |
4330c2f2 | 3100 | rc = jme_reload_eeprom(jme); |
cd0ff491 GFT |
3101 | if (rc) { |
3102 | jeprintk(pdev, | |
b3821cc5 | 3103 | "Reload eeprom for reading MAC Address error.\n"); |
0ede469c | 3104 | goto err_out_unmap; |
4330c2f2 | 3105 | } |
d7699f87 GFT |
3106 | jme_load_macaddr(netdev); |
3107 | ||
d7699f87 GFT |
3108 | /* |
3109 | * Tell stack that we are not ready to work until open() | |
3110 | */ | |
3111 | netif_carrier_off(netdev); | |
3112 | netif_stop_queue(netdev); | |
3113 | ||
3114 | /* | |
3115 | * Register netdev | |
3116 | */ | |
4330c2f2 | 3117 | rc = register_netdev(netdev); |
cd0ff491 GFT |
3118 | if (rc) { |
3119 | jeprintk(pdev, "Cannot register net device.\n"); | |
0ede469c | 3120 | goto err_out_unmap; |
4330c2f2 | 3121 | } |
d7699f87 | 3122 | |
7ca9ebee | 3123 | #if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,33) |
0ede469c GFT |
3124 | msg_probe(jme, "%s%s ver:%x rev:%x " |
3125 | "macaddr: %02x:%02x:%02x:%02x:%02x:%02x\n", | |
3b70a6fa GFT |
3126 | (jme->pdev->device == PCI_DEVICE_ID_JMICRON_JMC250) ? |
3127 | "JMC250 Gigabit Ethernet" : | |
3128 | (jme->pdev->device == PCI_DEVICE_ID_JMICRON_JMC260) ? | |
3129 | "JMC260 Fast Ethernet" : "Unknown", | |
cd0ff491 | 3130 | (jme->fpgaver != 0) ? " (FPGA)" : "", |
58c92f28 | 3131 | (jme->fpgaver != 0) ? jme->fpgaver : jme->chiprev, |
0ede469c GFT |
3132 | jme->rev, |
3133 | netdev->dev_addr[0], | |
3134 | netdev->dev_addr[1], | |
3135 | netdev->dev_addr[2], | |
3136 | netdev->dev_addr[3], | |
3137 | netdev->dev_addr[4], | |
3138 | netdev->dev_addr[5]); | |
7ca9ebee GFT |
3139 | #else |
3140 | netif_info(jme, probe, jme->dev, "%s%s ver:%x rev:%x macaddr:%pM\n", | |
3141 | (jme->pdev->device == PCI_DEVICE_ID_JMICRON_JMC250) ? | |
3142 | "JMC250 Gigabit Ethernet" : | |
3143 | (jme->pdev->device == PCI_DEVICE_ID_JMICRON_JMC260) ? | |
3144 | "JMC260 Fast Ethernet" : "Unknown", | |
3145 | (jme->fpgaver != 0) ? " (FPGA)" : "", | |
3146 | (jme->fpgaver != 0) ? jme->fpgaver : jme->chiprev, | |
3147 | jme->rev, netdev->dev_addr); | |
3148 | #endif | |
d7699f87 GFT |
3149 | |
3150 | return 0; | |
3151 | ||
3152 | err_out_unmap: | |
3153 | iounmap(jme->regs); | |
3154 | err_out_free_netdev: | |
3155 | pci_set_drvdata(pdev, NULL); | |
3156 | free_netdev(netdev); | |
4330c2f2 GFT |
3157 | err_out_release_regions: |
3158 | pci_release_regions(pdev); | |
d7699f87 | 3159 | err_out_disable_pdev: |
cd0ff491 | 3160 | pci_disable_device(pdev); |
d7699f87 | 3161 | err_out: |
4330c2f2 | 3162 | return rc; |
d7699f87 GFT |
3163 | } |
3164 | ||
3bf61c55 GFT |
3165 | static void __devexit |
3166 | jme_remove_one(struct pci_dev *pdev) | |
3167 | { | |
d7699f87 GFT |
3168 | struct net_device *netdev = pci_get_drvdata(pdev); |
3169 | struct jme_adapter *jme = netdev_priv(netdev); | |
3170 | ||
3171 | unregister_netdev(netdev); | |
3172 | iounmap(jme->regs); | |
3173 | pci_set_drvdata(pdev, NULL); | |
3174 | free_netdev(netdev); | |
3175 | pci_release_regions(pdev); | |
3176 | pci_disable_device(pdev); | |
3177 | ||
3178 | } | |
3179 | ||
7ee473a3 | 3180 | #ifdef CONFIG_PM |
29bdd921 GFT |
3181 | static int |
3182 | jme_suspend(struct pci_dev *pdev, pm_message_t state) | |
3183 | { | |
3184 | struct net_device *netdev = pci_get_drvdata(pdev); | |
3185 | struct jme_adapter *jme = netdev_priv(netdev); | |
29bdd921 GFT |
3186 | |
3187 | atomic_dec(&jme->link_changing); | |
3188 | ||
3189 | netif_device_detach(netdev); | |
3190 | netif_stop_queue(netdev); | |
3191 | jme_stop_irq(jme); | |
29bdd921 | 3192 | |
cd0ff491 GFT |
3193 | tasklet_disable(&jme->txclean_task); |
3194 | tasklet_disable(&jme->rxclean_task); | |
3195 | tasklet_disable(&jme->rxempty_task); | |
3196 | ||
cd0ff491 GFT |
3197 | if (netif_carrier_ok(netdev)) { |
3198 | if (test_bit(JME_FLAG_POLL, &jme->flags)) | |
47220951 GFT |
3199 | jme_polling_mode(jme); |
3200 | ||
29bdd921 | 3201 | jme_stop_pcc_timer(jme); |
cd0ff491 GFT |
3202 | jme_reset_ghc_speed(jme); |
3203 | jme_disable_rx_engine(jme); | |
3204 | jme_disable_tx_engine(jme); | |
29bdd921 GFT |
3205 | jme_reset_mac_processor(jme); |
3206 | jme_free_rx_resources(jme); | |
3207 | jme_free_tx_resources(jme); | |
3208 | netif_carrier_off(netdev); | |
3209 | jme->phylink = 0; | |
3210 | } | |
3211 | ||
cd0ff491 GFT |
3212 | tasklet_enable(&jme->txclean_task); |
3213 | tasklet_hi_enable(&jme->rxclean_task); | |
3214 | tasklet_hi_enable(&jme->rxempty_task); | |
29bdd921 GFT |
3215 | |
3216 | pci_save_state(pdev); | |
cd0ff491 | 3217 | if (jme->reg_pmcs) { |
42b1055e | 3218 | jme_set_100m_half(jme); |
47220951 | 3219 | |
cd0ff491 | 3220 | if (jme->reg_pmcs & (PMCS_LFEN | PMCS_LREN)) |
47220951 GFT |
3221 | jme_wait_link(jme); |
3222 | ||
29bdd921 | 3223 | jwrite32(jme, JME_PMCS, jme->reg_pmcs); |
cd0ff491 | 3224 | |
42b1055e | 3225 | pci_enable_wake(pdev, PCI_D3cold, true); |
cd0ff491 | 3226 | } else { |
42b1055e | 3227 | jme_phy_off(jme); |
29bdd921 | 3228 | } |
cd0ff491 | 3229 | pci_set_power_state(pdev, PCI_D3cold); |
29bdd921 GFT |
3230 | |
3231 | return 0; | |
3232 | } | |
3233 | ||
3234 | static int | |
3235 | jme_resume(struct pci_dev *pdev) | |
3236 | { | |
3237 | struct net_device *netdev = pci_get_drvdata(pdev); | |
3238 | struct jme_adapter *jme = netdev_priv(netdev); | |
3239 | ||
3240 | jme_clear_pm(jme); | |
3241 | pci_restore_state(pdev); | |
3242 | ||
cd0ff491 | 3243 | if (test_bit(JME_FLAG_SSET, &jme->flags)) |
29bdd921 GFT |
3244 | jme_set_settings(netdev, &jme->old_ecmd); |
3245 | else | |
3246 | jme_reset_phy_processor(jme); | |
3247 | ||
29bdd921 GFT |
3248 | jme_start_irq(jme); |
3249 | netif_device_attach(netdev); | |
3250 | ||
3251 | atomic_inc(&jme->link_changing); | |
3252 | ||
3253 | jme_reset_link(jme); | |
3254 | ||
3255 | return 0; | |
3256 | } | |
7ee473a3 | 3257 | #endif |
29bdd921 | 3258 | |
7ca9ebee | 3259 | #if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,24) |
d7699f87 | 3260 | static struct pci_device_id jme_pci_tbl[] = { |
7ca9ebee GFT |
3261 | #else |
3262 | static DEFINE_PCI_DEVICE_TABLE(jme_pci_tbl) = { | |
3263 | #endif | |
cd0ff491 GFT |
3264 | { PCI_VDEVICE(JMICRON, PCI_DEVICE_ID_JMICRON_JMC250) }, |
3265 | { PCI_VDEVICE(JMICRON, PCI_DEVICE_ID_JMICRON_JMC260) }, | |
d7699f87 GFT |
3266 | { } |
3267 | }; | |
3268 | ||
3269 | static struct pci_driver jme_driver = { | |
cd0ff491 GFT |
3270 | .name = DRV_NAME, |
3271 | .id_table = jme_pci_tbl, | |
3272 | .probe = jme_init_one, | |
3273 | .remove = __devexit_p(jme_remove_one), | |
d7699f87 | 3274 | #ifdef CONFIG_PM |
cd0ff491 GFT |
3275 | .suspend = jme_suspend, |
3276 | .resume = jme_resume, | |
d7699f87 | 3277 | #endif /* CONFIG_PM */ |
d7699f87 GFT |
3278 | }; |
3279 | ||
3bf61c55 GFT |
3280 | static int __init |
3281 | jme_init_module(void) | |
d7699f87 | 3282 | { |
3b70a6fa | 3283 | printk(KERN_INFO PFX "JMicron JMC2XX ethernet " |
4330c2f2 | 3284 | "driver version %s\n", DRV_VERSION); |
d7699f87 GFT |
3285 | return pci_register_driver(&jme_driver); |
3286 | } | |
3287 | ||
3bf61c55 GFT |
3288 | static void __exit |
3289 | jme_cleanup_module(void) | |
d7699f87 GFT |
3290 | { |
3291 | pci_unregister_driver(&jme_driver); | |
3292 | } | |
3293 | ||
3294 | module_init(jme_init_module); | |
3295 | module_exit(jme_cleanup_module); | |
3296 | ||
3bf61c55 | 3297 | MODULE_AUTHOR("Guo-Fu Tseng <cooldavid@cooldavid.org>"); |
d7699f87 GFT |
3298 | MODULE_DESCRIPTION("JMicron JMC2x0 PCI Express Ethernet driver"); |
3299 | MODULE_LICENSE("GPL"); | |
3300 | MODULE_VERSION(DRV_VERSION); | |
3301 | MODULE_DEVICE_TABLE(pci, jme_pci_tbl); | |
3302 |