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Commit | Line | Data |
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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> |
38d1bc09 | 40 | #include <linux/slab.h> |
3b70a6fa | 41 | #include <net/ip6_checksum.h> |
d7699f87 GFT |
42 | #include "jme.h" |
43 | ||
cd0ff491 GFT |
44 | static int force_pseudohp = -1; |
45 | static int no_pseudohp = -1; | |
46 | static int no_extplug = -1; | |
47 | module_param(force_pseudohp, int, 0); | |
48 | MODULE_PARM_DESC(force_pseudohp, | |
49 | "Enable pseudo hot-plug feature manually by driver instead of BIOS."); | |
50 | module_param(no_pseudohp, int, 0); | |
51 | MODULE_PARM_DESC(no_pseudohp, "Disable pseudo hot-plug feature."); | |
52 | module_param(no_extplug, int, 0); | |
53 | MODULE_PARM_DESC(no_extplug, | |
54 | "Do not use external plug signal for pseudo hot-plug."); | |
4330c2f2 | 55 | |
3bf61c55 GFT |
56 | static int |
57 | jme_mdio_read(struct net_device *netdev, int phy, int reg) | |
d7699f87 GFT |
58 | { |
59 | struct jme_adapter *jme = netdev_priv(netdev); | |
cd0ff491 | 60 | int i, val, again = (reg == MII_BMSR) ? 1 : 0; |
d7699f87 | 61 | |
186fc259 | 62 | read_again: |
cd0ff491 | 63 | jwrite32(jme, JME_SMI, SMI_OP_REQ | |
3bf61c55 GFT |
64 | smi_phy_addr(phy) | |
65 | smi_reg_addr(reg)); | |
d7699f87 GFT |
66 | |
67 | wmb(); | |
cd0ff491 | 68 | for (i = JME_PHY_TIMEOUT * 50 ; i > 0 ; --i) { |
cdcdc9eb | 69 | udelay(20); |
b3821cc5 GFT |
70 | val = jread32(jme, JME_SMI); |
71 | if ((val & SMI_OP_REQ) == 0) | |
3bf61c55 | 72 | break; |
cd0ff491 | 73 | } |
d7699f87 | 74 | |
cd0ff491 GFT |
75 | if (i == 0) { |
76 | jeprintk(jme->pdev, "phy(%d) read timeout : %d\n", phy, reg); | |
3bf61c55 | 77 | return 0; |
cd0ff491 | 78 | } |
d7699f87 | 79 | |
cd0ff491 | 80 | if (again--) |
186fc259 GFT |
81 | goto read_again; |
82 | ||
cd0ff491 | 83 | return (val & SMI_DATA_MASK) >> SMI_DATA_SHIFT; |
d7699f87 GFT |
84 | } |
85 | ||
3bf61c55 GFT |
86 | static void |
87 | jme_mdio_write(struct net_device *netdev, | |
88 | int phy, int reg, int val) | |
d7699f87 GFT |
89 | { |
90 | struct jme_adapter *jme = netdev_priv(netdev); | |
91 | int i; | |
92 | ||
3bf61c55 GFT |
93 | jwrite32(jme, JME_SMI, SMI_OP_WRITE | SMI_OP_REQ | |
94 | ((val << SMI_DATA_SHIFT) & SMI_DATA_MASK) | | |
95 | smi_phy_addr(phy) | smi_reg_addr(reg)); | |
d7699f87 GFT |
96 | |
97 | wmb(); | |
cdcdc9eb GFT |
98 | for (i = JME_PHY_TIMEOUT * 50 ; i > 0 ; --i) { |
99 | udelay(20); | |
8d27293f | 100 | if ((jread32(jme, JME_SMI) & SMI_OP_REQ) == 0) |
3bf61c55 GFT |
101 | break; |
102 | } | |
d7699f87 | 103 | |
3bf61c55 | 104 | if (i == 0) |
cd0ff491 | 105 | jeprintk(jme->pdev, "phy(%d) write timeout : %d\n", phy, reg); |
d7699f87 GFT |
106 | } |
107 | ||
cd0ff491 | 108 | static inline void |
3bf61c55 | 109 | jme_reset_phy_processor(struct jme_adapter *jme) |
d7699f87 | 110 | { |
cd0ff491 | 111 | u32 val; |
3bf61c55 GFT |
112 | |
113 | jme_mdio_write(jme->dev, | |
114 | jme->mii_if.phy_id, | |
8c198884 GFT |
115 | MII_ADVERTISE, ADVERTISE_ALL | |
116 | ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM); | |
3bf61c55 | 117 | |
cd0ff491 | 118 | if (jme->pdev->device == PCI_DEVICE_ID_JMICRON_JMC250) |
8d27293f GFT |
119 | jme_mdio_write(jme->dev, |
120 | jme->mii_if.phy_id, | |
121 | MII_CTRL1000, | |
122 | ADVERTISE_1000FULL | ADVERTISE_1000HALF); | |
3bf61c55 | 123 | |
fcf45b4c GFT |
124 | val = jme_mdio_read(jme->dev, |
125 | jme->mii_if.phy_id, | |
126 | MII_BMCR); | |
127 | ||
128 | jme_mdio_write(jme->dev, | |
129 | jme->mii_if.phy_id, | |
130 | MII_BMCR, val | BMCR_RESET); | |
3bf61c55 GFT |
131 | } |
132 | ||
b3821cc5 GFT |
133 | static void |
134 | jme_setup_wakeup_frame(struct jme_adapter *jme, | |
cd0ff491 | 135 | u32 *mask, u32 crc, int fnr) |
b3821cc5 GFT |
136 | { |
137 | int i; | |
138 | ||
139 | /* | |
140 | * Setup CRC pattern | |
141 | */ | |
142 | jwrite32(jme, JME_WFOI, WFOI_CRC_SEL | (fnr & WFOI_FRAME_SEL)); | |
143 | wmb(); | |
144 | jwrite32(jme, JME_WFODP, crc); | |
145 | wmb(); | |
146 | ||
147 | /* | |
148 | * Setup Mask | |
149 | */ | |
cd0ff491 | 150 | for (i = 0 ; i < WAKEUP_FRAME_MASK_DWNR ; ++i) { |
b3821cc5 GFT |
151 | jwrite32(jme, JME_WFOI, |
152 | ((i << WFOI_MASK_SHIFT) & WFOI_MASK_SEL) | | |
153 | (fnr & WFOI_FRAME_SEL)); | |
154 | wmb(); | |
155 | jwrite32(jme, JME_WFODP, mask[i]); | |
156 | wmb(); | |
157 | } | |
158 | } | |
3bf61c55 | 159 | |
cd0ff491 | 160 | static inline void |
3bf61c55 GFT |
161 | jme_reset_mac_processor(struct jme_adapter *jme) |
162 | { | |
cd0ff491 GFT |
163 | u32 mask[WAKEUP_FRAME_MASK_DWNR] = {0, 0, 0, 0}; |
164 | u32 crc = 0xCDCDCDCD; | |
165 | u32 gpreg0; | |
b3821cc5 GFT |
166 | int i; |
167 | ||
3bf61c55 | 168 | jwrite32(jme, JME_GHC, jme->reg_ghc | GHC_SWRST); |
d7699f87 | 169 | udelay(2); |
3bf61c55 | 170 | jwrite32(jme, JME_GHC, jme->reg_ghc); |
cd0ff491 GFT |
171 | |
172 | jwrite32(jme, JME_RXDBA_LO, 0x00000000); | |
173 | jwrite32(jme, JME_RXDBA_HI, 0x00000000); | |
174 | jwrite32(jme, JME_RXQDC, 0x00000000); | |
175 | jwrite32(jme, JME_RXNDA, 0x00000000); | |
176 | jwrite32(jme, JME_TXDBA_LO, 0x00000000); | |
177 | jwrite32(jme, JME_TXDBA_HI, 0x00000000); | |
178 | jwrite32(jme, JME_TXQDC, 0x00000000); | |
179 | jwrite32(jme, JME_TXNDA, 0x00000000); | |
180 | ||
4330c2f2 GFT |
181 | jwrite32(jme, JME_RXMCHT_LO, 0x00000000); |
182 | jwrite32(jme, JME_RXMCHT_HI, 0x00000000); | |
cd0ff491 | 183 | for (i = 0 ; i < WAKEUP_FRAME_NR ; ++i) |
b3821cc5 | 184 | jme_setup_wakeup_frame(jme, mask, crc, i); |
cd0ff491 | 185 | if (jme->fpgaver) |
cdcdc9eb GFT |
186 | gpreg0 = GPREG0_DEFAULT | GPREG0_LNKINTPOLL; |
187 | else | |
188 | gpreg0 = GPREG0_DEFAULT; | |
189 | jwrite32(jme, JME_GPREG0, gpreg0); | |
7ee473a3 | 190 | jwrite32(jme, JME_GPREG1, GPREG1_DEFAULT); |
d7699f87 GFT |
191 | } |
192 | ||
cd0ff491 GFT |
193 | static inline void |
194 | jme_reset_ghc_speed(struct jme_adapter *jme) | |
195 | { | |
196 | jme->reg_ghc &= ~(GHC_SPEED_1000M | GHC_DPX); | |
197 | jwrite32(jme, JME_GHC, jme->reg_ghc); | |
198 | } | |
199 | ||
200 | static inline void | |
3bf61c55 | 201 | jme_clear_pm(struct jme_adapter *jme) |
d7699f87 | 202 | { |
29bdd921 | 203 | jwrite32(jme, JME_PMCS, 0xFFFF0000 | jme->reg_pmcs); |
4330c2f2 | 204 | pci_set_power_state(jme->pdev, PCI_D0); |
42b1055e | 205 | pci_enable_wake(jme->pdev, PCI_D0, false); |
d7699f87 GFT |
206 | } |
207 | ||
3bf61c55 GFT |
208 | static int |
209 | jme_reload_eeprom(struct jme_adapter *jme) | |
d7699f87 | 210 | { |
cd0ff491 | 211 | u32 val; |
d7699f87 GFT |
212 | int i; |
213 | ||
214 | val = jread32(jme, JME_SMBCSR); | |
215 | ||
cd0ff491 | 216 | if (val & SMBCSR_EEPROMD) { |
d7699f87 GFT |
217 | val |= SMBCSR_CNACK; |
218 | jwrite32(jme, JME_SMBCSR, val); | |
219 | val |= SMBCSR_RELOAD; | |
220 | jwrite32(jme, JME_SMBCSR, val); | |
221 | mdelay(12); | |
222 | ||
cd0ff491 | 223 | for (i = JME_EEPROM_RELOAD_TIMEOUT; i > 0; --i) { |
d7699f87 GFT |
224 | mdelay(1); |
225 | if ((jread32(jme, JME_SMBCSR) & SMBCSR_RELOAD) == 0) | |
226 | break; | |
227 | } | |
228 | ||
cd0ff491 GFT |
229 | if (i == 0) { |
230 | jeprintk(jme->pdev, "eeprom reload timeout\n"); | |
d7699f87 GFT |
231 | return -EIO; |
232 | } | |
233 | } | |
3bf61c55 | 234 | |
d7699f87 GFT |
235 | return 0; |
236 | } | |
237 | ||
3bf61c55 GFT |
238 | static void |
239 | jme_load_macaddr(struct net_device *netdev) | |
d7699f87 GFT |
240 | { |
241 | struct jme_adapter *jme = netdev_priv(netdev); | |
242 | unsigned char macaddr[6]; | |
cd0ff491 | 243 | u32 val; |
d7699f87 | 244 | |
cd0ff491 | 245 | spin_lock_bh(&jme->macaddr_lock); |
4330c2f2 | 246 | val = jread32(jme, JME_RXUMA_LO); |
d7699f87 GFT |
247 | macaddr[0] = (val >> 0) & 0xFF; |
248 | macaddr[1] = (val >> 8) & 0xFF; | |
249 | macaddr[2] = (val >> 16) & 0xFF; | |
250 | macaddr[3] = (val >> 24) & 0xFF; | |
4330c2f2 | 251 | val = jread32(jme, JME_RXUMA_HI); |
d7699f87 GFT |
252 | macaddr[4] = (val >> 0) & 0xFF; |
253 | macaddr[5] = (val >> 8) & 0xFF; | |
cd0ff491 GFT |
254 | memcpy(netdev->dev_addr, macaddr, 6); |
255 | spin_unlock_bh(&jme->macaddr_lock); | |
3bf61c55 GFT |
256 | } |
257 | ||
cd0ff491 | 258 | static inline void |
3bf61c55 GFT |
259 | jme_set_rx_pcc(struct jme_adapter *jme, int p) |
260 | { | |
cd0ff491 | 261 | switch (p) { |
192570e0 GFT |
262 | case PCC_OFF: |
263 | jwrite32(jme, JME_PCCRX0, | |
264 | ((PCC_OFF_TO << PCCRXTO_SHIFT) & PCCRXTO_MASK) | | |
265 | ((PCC_OFF_CNT << PCCRX_SHIFT) & PCCRX_MASK)); | |
266 | break; | |
3bf61c55 GFT |
267 | case PCC_P1: |
268 | jwrite32(jme, JME_PCCRX0, | |
269 | ((PCC_P1_TO << PCCRXTO_SHIFT) & PCCRXTO_MASK) | | |
270 | ((PCC_P1_CNT << PCCRX_SHIFT) & PCCRX_MASK)); | |
271 | break; | |
272 | case PCC_P2: | |
273 | jwrite32(jme, JME_PCCRX0, | |
274 | ((PCC_P2_TO << PCCRXTO_SHIFT) & PCCRXTO_MASK) | | |
275 | ((PCC_P2_CNT << PCCRX_SHIFT) & PCCRX_MASK)); | |
276 | break; | |
277 | case PCC_P3: | |
278 | jwrite32(jme, JME_PCCRX0, | |
279 | ((PCC_P3_TO << PCCRXTO_SHIFT) & PCCRXTO_MASK) | | |
280 | ((PCC_P3_CNT << PCCRX_SHIFT) & PCCRX_MASK)); | |
281 | break; | |
282 | default: | |
283 | break; | |
284 | } | |
192570e0 | 285 | wmb(); |
3bf61c55 | 286 | |
cd0ff491 | 287 | if (!(test_bit(JME_FLAG_POLL, &jme->flags))) |
7ca9ebee | 288 | #if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,33) |
cd0ff491 | 289 | msg_rx_status(jme, "Switched to PCC_P%d\n", p); |
7ca9ebee GFT |
290 | #else |
291 | netif_info(jme, rx_status, jme->dev, "Switched to PCC_P%d\n", p); | |
292 | #endif | |
d7699f87 GFT |
293 | } |
294 | ||
fcf45b4c | 295 | static void |
3bf61c55 | 296 | jme_start_irq(struct jme_adapter *jme) |
d7699f87 | 297 | { |
3bf61c55 GFT |
298 | register struct dynpcc_info *dpi = &(jme->dpi); |
299 | ||
300 | jme_set_rx_pcc(jme, PCC_P1); | |
3bf61c55 GFT |
301 | dpi->cur = PCC_P1; |
302 | dpi->attempt = PCC_P1; | |
303 | dpi->cnt = 0; | |
304 | ||
305 | jwrite32(jme, JME_PCCTX, | |
8c198884 GFT |
306 | ((PCC_TX_TO << PCCTXTO_SHIFT) & PCCTXTO_MASK) | |
307 | ((PCC_TX_CNT << PCCTX_SHIFT) & PCCTX_MASK) | | |
3bf61c55 GFT |
308 | PCCTXQ0_EN |
309 | ); | |
310 | ||
d7699f87 GFT |
311 | /* |
312 | * Enable Interrupts | |
313 | */ | |
314 | jwrite32(jme, JME_IENS, INTR_ENABLE); | |
315 | } | |
316 | ||
cd0ff491 | 317 | static inline void |
3bf61c55 | 318 | jme_stop_irq(struct jme_adapter *jme) |
d7699f87 GFT |
319 | { |
320 | /* | |
321 | * Disable Interrupts | |
322 | */ | |
cd0ff491 | 323 | jwrite32f(jme, JME_IENC, INTR_ENABLE); |
d7699f87 GFT |
324 | } |
325 | ||
cd0ff491 | 326 | static u32 |
cdcdc9eb GFT |
327 | jme_linkstat_from_phy(struct jme_adapter *jme) |
328 | { | |
cd0ff491 | 329 | u32 phylink, bmsr; |
cdcdc9eb GFT |
330 | |
331 | phylink = jme_mdio_read(jme->dev, jme->mii_if.phy_id, 17); | |
332 | bmsr = jme_mdio_read(jme->dev, jme->mii_if.phy_id, MII_BMSR); | |
cd0ff491 | 333 | if (bmsr & BMSR_ANCOMP) |
cdcdc9eb GFT |
334 | phylink |= PHY_LINK_AUTONEG_COMPLETE; |
335 | ||
336 | return phylink; | |
337 | } | |
338 | ||
cd0ff491 | 339 | static inline void |
58c92f28 | 340 | jme_set_phyfifoa(struct jme_adapter *jme) |
cd0ff491 GFT |
341 | { |
342 | jme_mdio_write(jme->dev, jme->mii_if.phy_id, 27, 0x0004); | |
343 | } | |
344 | ||
345 | static inline void | |
58c92f28 | 346 | jme_set_phyfifob(struct jme_adapter *jme) |
cd0ff491 GFT |
347 | { |
348 | jme_mdio_write(jme->dev, jme->mii_if.phy_id, 27, 0x0000); | |
349 | } | |
350 | ||
fcf45b4c GFT |
351 | static int |
352 | jme_check_link(struct net_device *netdev, int testonly) | |
d7699f87 GFT |
353 | { |
354 | struct jme_adapter *jme = netdev_priv(netdev); | |
7ee473a3 | 355 | u32 phylink, ghc, cnt = JME_SPDRSV_TIMEOUT, bmcr, gpreg1; |
79ce639c | 356 | char linkmsg[64]; |
fcf45b4c | 357 | int rc = 0; |
d7699f87 | 358 | |
b3821cc5 | 359 | linkmsg[0] = '\0'; |
cdcdc9eb | 360 | |
cd0ff491 | 361 | if (jme->fpgaver) |
cdcdc9eb GFT |
362 | phylink = jme_linkstat_from_phy(jme); |
363 | else | |
364 | phylink = jread32(jme, JME_PHY_LINK); | |
d7699f87 | 365 | |
cd0ff491 GFT |
366 | if (phylink & PHY_LINK_UP) { |
367 | if (!(phylink & PHY_LINK_AUTONEG_COMPLETE)) { | |
8c198884 GFT |
368 | /* |
369 | * If we did not enable AN | |
370 | * Speed/Duplex Info should be obtained from SMI | |
371 | */ | |
372 | phylink = PHY_LINK_UP; | |
373 | ||
374 | bmcr = jme_mdio_read(jme->dev, | |
375 | jme->mii_if.phy_id, | |
376 | MII_BMCR); | |
377 | ||
378 | phylink |= ((bmcr & BMCR_SPEED1000) && | |
379 | (bmcr & BMCR_SPEED100) == 0) ? | |
380 | PHY_LINK_SPEED_1000M : | |
381 | (bmcr & BMCR_SPEED100) ? | |
382 | PHY_LINK_SPEED_100M : | |
383 | PHY_LINK_SPEED_10M; | |
384 | ||
385 | phylink |= (bmcr & BMCR_FULLDPLX) ? | |
386 | PHY_LINK_DUPLEX : 0; | |
79ce639c | 387 | |
b3821cc5 | 388 | strcat(linkmsg, "Forced: "); |
cd0ff491 | 389 | } else { |
8c198884 GFT |
390 | /* |
391 | * Keep polling for speed/duplex resolve complete | |
392 | */ | |
cd0ff491 | 393 | while (!(phylink & PHY_LINK_SPEEDDPU_RESOLVED) && |
8c198884 GFT |
394 | --cnt) { |
395 | ||
396 | udelay(1); | |
8c198884 | 397 | |
cd0ff491 | 398 | if (jme->fpgaver) |
cdcdc9eb GFT |
399 | phylink = jme_linkstat_from_phy(jme); |
400 | else | |
401 | phylink = jread32(jme, JME_PHY_LINK); | |
8c198884 | 402 | } |
cd0ff491 GFT |
403 | if (!cnt) |
404 | jeprintk(jme->pdev, | |
8c198884 | 405 | "Waiting speed resolve timeout.\n"); |
79ce639c | 406 | |
b3821cc5 | 407 | strcat(linkmsg, "ANed: "); |
d7699f87 GFT |
408 | } |
409 | ||
cd0ff491 | 410 | if (jme->phylink == phylink) { |
fcf45b4c GFT |
411 | rc = 1; |
412 | goto out; | |
413 | } | |
cd0ff491 | 414 | if (testonly) |
fcf45b4c GFT |
415 | goto out; |
416 | ||
417 | jme->phylink = phylink; | |
418 | ||
3b70a6fa GFT |
419 | ghc = jme->reg_ghc & ~(GHC_SPEED | GHC_DPX | |
420 | GHC_TO_CLK_PCIE | GHC_TXMAC_CLK_PCIE | | |
421 | GHC_TO_CLK_GPHY | GHC_TXMAC_CLK_GPHY); | |
cd0ff491 GFT |
422 | switch (phylink & PHY_LINK_SPEED_MASK) { |
423 | case PHY_LINK_SPEED_10M: | |
3b70a6fa GFT |
424 | ghc |= GHC_SPEED_10M | |
425 | GHC_TO_CLK_PCIE | GHC_TXMAC_CLK_PCIE; | |
cd0ff491 | 426 | strcat(linkmsg, "10 Mbps, "); |
cd0ff491 GFT |
427 | break; |
428 | case PHY_LINK_SPEED_100M: | |
3b70a6fa GFT |
429 | ghc |= GHC_SPEED_100M | |
430 | GHC_TO_CLK_PCIE | GHC_TXMAC_CLK_PCIE; | |
cd0ff491 | 431 | strcat(linkmsg, "100 Mbps, "); |
cd0ff491 GFT |
432 | break; |
433 | case PHY_LINK_SPEED_1000M: | |
3b70a6fa GFT |
434 | ghc |= GHC_SPEED_1000M | |
435 | GHC_TO_CLK_GPHY | GHC_TXMAC_CLK_GPHY; | |
cd0ff491 | 436 | strcat(linkmsg, "1000 Mbps, "); |
cd0ff491 GFT |
437 | break; |
438 | default: | |
439 | break; | |
d7699f87 | 440 | } |
d7699f87 | 441 | |
cd0ff491 | 442 | if (phylink & PHY_LINK_DUPLEX) { |
d7699f87 | 443 | jwrite32(jme, JME_TXMCS, TXMCS_DEFAULT); |
7ee473a3 | 444 | ghc |= GHC_DPX; |
cd0ff491 | 445 | } else { |
d7699f87 | 446 | jwrite32(jme, JME_TXMCS, TXMCS_DEFAULT | |
3bf61c55 GFT |
447 | TXMCS_BACKOFF | |
448 | TXMCS_CARRIERSENSE | | |
449 | TXMCS_COLLISION); | |
8c198884 GFT |
450 | jwrite32(jme, JME_TXTRHD, TXTRHD_TXPEN | |
451 | ((0x2000 << TXTRHD_TXP_SHIFT) & TXTRHD_TXP) | | |
452 | TXTRHD_TXREN | | |
453 | ((8 << TXTRHD_TXRL_SHIFT) & TXTRHD_TXRL)); | |
454 | } | |
7ee473a3 GFT |
455 | |
456 | gpreg1 = GPREG1_DEFAULT; | |
457 | if (is_buggy250(jme->pdev->device, jme->chiprev)) { | |
458 | if (!(phylink & PHY_LINK_DUPLEX)) | |
459 | gpreg1 |= GPREG1_HALFMODEPATCH; | |
460 | switch (phylink & PHY_LINK_SPEED_MASK) { | |
461 | case PHY_LINK_SPEED_10M: | |
462 | jme_set_phyfifoa(jme); | |
463 | gpreg1 |= GPREG1_RSSPATCH; | |
464 | break; | |
465 | case PHY_LINK_SPEED_100M: | |
466 | jme_set_phyfifob(jme); | |
467 | gpreg1 |= GPREG1_RSSPATCH; | |
468 | break; | |
469 | case PHY_LINK_SPEED_1000M: | |
470 | jme_set_phyfifoa(jme); | |
471 | break; | |
472 | default: | |
473 | break; | |
474 | } | |
475 | } | |
d7699f87 | 476 | |
3b70a6fa | 477 | jwrite32(jme, JME_GPREG1, gpreg1); |
fcf45b4c | 478 | jwrite32(jme, JME_GHC, ghc); |
3b70a6fa | 479 | jme->reg_ghc = ghc; |
fcf45b4c | 480 | |
3b70a6fa GFT |
481 | strcat(linkmsg, (phylink & PHY_LINK_DUPLEX) ? |
482 | "Full-Duplex, " : | |
483 | "Half-Duplex, "); | |
484 | strcat(linkmsg, (phylink & PHY_LINK_MDI_STAT) ? | |
485 | "MDI-X" : | |
486 | "MDI"); | |
7ca9ebee | 487 | #if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,33) |
cd0ff491 | 488 | msg_link(jme, "Link is up at %s.\n", linkmsg); |
7ca9ebee GFT |
489 | #else |
490 | netif_info(jme, link, jme->dev, "Link is up at %s.\n", linkmsg); | |
491 | #endif | |
cd0ff491 GFT |
492 | netif_carrier_on(netdev); |
493 | } else { | |
494 | if (testonly) | |
fcf45b4c GFT |
495 | goto out; |
496 | ||
7ca9ebee | 497 | #if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,33) |
cd0ff491 | 498 | msg_link(jme, "Link is down.\n"); |
7ca9ebee GFT |
499 | #else |
500 | netif_info(jme, link, jme->dev, "Link is down.\n"); | |
501 | #endif | |
fcf45b4c | 502 | jme->phylink = 0; |
cd0ff491 | 503 | netif_carrier_off(netdev); |
d7699f87 | 504 | } |
fcf45b4c GFT |
505 | |
506 | out: | |
507 | return rc; | |
d7699f87 GFT |
508 | } |
509 | ||
3bf61c55 GFT |
510 | static int |
511 | jme_setup_tx_resources(struct jme_adapter *jme) | |
d7699f87 | 512 | { |
d7699f87 GFT |
513 | struct jme_ring *txring = &(jme->txring[0]); |
514 | ||
515 | txring->alloc = dma_alloc_coherent(&(jme->pdev->dev), | |
b3821cc5 GFT |
516 | TX_RING_ALLOC_SIZE(jme->tx_ring_size), |
517 | &(txring->dmaalloc), | |
518 | GFP_ATOMIC); | |
fcf45b4c | 519 | |
0ede469c GFT |
520 | if (!txring->alloc) |
521 | goto err_set_null; | |
d7699f87 GFT |
522 | |
523 | /* | |
524 | * 16 Bytes align | |
525 | */ | |
cd0ff491 | 526 | txring->desc = (void *)ALIGN((unsigned long)(txring->alloc), |
3bf61c55 | 527 | RING_DESC_ALIGN); |
4330c2f2 | 528 | txring->dma = ALIGN(txring->dmaalloc, RING_DESC_ALIGN); |
d7699f87 | 529 | txring->next_to_use = 0; |
cdcdc9eb | 530 | atomic_set(&txring->next_to_clean, 0); |
b3821cc5 | 531 | atomic_set(&txring->nr_free, jme->tx_ring_size); |
d7699f87 | 532 | |
0ede469c GFT |
533 | txring->bufinf = kmalloc(sizeof(struct jme_buffer_info) * |
534 | jme->tx_ring_size, GFP_ATOMIC); | |
535 | if (unlikely(!(txring->bufinf))) | |
536 | goto err_free_txring; | |
537 | ||
d7699f87 | 538 | /* |
b3821cc5 | 539 | * Initialize Transmit Descriptors |
d7699f87 | 540 | */ |
b3821cc5 | 541 | memset(txring->alloc, 0, TX_RING_ALLOC_SIZE(jme->tx_ring_size)); |
3bf61c55 | 542 | memset(txring->bufinf, 0, |
b3821cc5 | 543 | sizeof(struct jme_buffer_info) * jme->tx_ring_size); |
d7699f87 GFT |
544 | |
545 | return 0; | |
0ede469c GFT |
546 | |
547 | err_free_txring: | |
548 | dma_free_coherent(&(jme->pdev->dev), | |
549 | TX_RING_ALLOC_SIZE(jme->tx_ring_size), | |
550 | txring->alloc, | |
551 | txring->dmaalloc); | |
552 | ||
553 | err_set_null: | |
554 | txring->desc = NULL; | |
555 | txring->dmaalloc = 0; | |
556 | txring->dma = 0; | |
557 | txring->bufinf = NULL; | |
558 | ||
559 | return -ENOMEM; | |
d7699f87 GFT |
560 | } |
561 | ||
3bf61c55 GFT |
562 | static void |
563 | jme_free_tx_resources(struct jme_adapter *jme) | |
d7699f87 GFT |
564 | { |
565 | int i; | |
566 | struct jme_ring *txring = &(jme->txring[0]); | |
0ede469c | 567 | struct jme_buffer_info *txbi; |
d7699f87 | 568 | |
cd0ff491 | 569 | if (txring->alloc) { |
0ede469c GFT |
570 | if (txring->bufinf) { |
571 | for (i = 0 ; i < jme->tx_ring_size ; ++i) { | |
572 | txbi = txring->bufinf + i; | |
573 | if (txbi->skb) { | |
574 | dev_kfree_skb(txbi->skb); | |
575 | txbi->skb = NULL; | |
576 | } | |
577 | txbi->mapping = 0; | |
578 | txbi->len = 0; | |
579 | txbi->nr_desc = 0; | |
580 | txbi->start_xmit = 0; | |
d7699f87 | 581 | } |
0ede469c | 582 | kfree(txring->bufinf); |
d7699f87 GFT |
583 | } |
584 | ||
585 | dma_free_coherent(&(jme->pdev->dev), | |
b3821cc5 | 586 | TX_RING_ALLOC_SIZE(jme->tx_ring_size), |
d7699f87 GFT |
587 | txring->alloc, |
588 | txring->dmaalloc); | |
3bf61c55 GFT |
589 | |
590 | txring->alloc = NULL; | |
591 | txring->desc = NULL; | |
592 | txring->dmaalloc = 0; | |
593 | txring->dma = 0; | |
0ede469c | 594 | txring->bufinf = NULL; |
d7699f87 | 595 | } |
3bf61c55 | 596 | txring->next_to_use = 0; |
cdcdc9eb | 597 | atomic_set(&txring->next_to_clean, 0); |
79ce639c | 598 | atomic_set(&txring->nr_free, 0); |
d7699f87 GFT |
599 | } |
600 | ||
cd0ff491 | 601 | static inline void |
3bf61c55 | 602 | jme_enable_tx_engine(struct jme_adapter *jme) |
d7699f87 GFT |
603 | { |
604 | /* | |
605 | * Select Queue 0 | |
606 | */ | |
607 | jwrite32(jme, JME_TXCS, TXCS_DEFAULT | TXCS_SELECT_QUEUE0); | |
cd0ff491 | 608 | wmb(); |
d7699f87 GFT |
609 | |
610 | /* | |
611 | * Setup TX Queue 0 DMA Bass Address | |
612 | */ | |
fcf45b4c | 613 | jwrite32(jme, JME_TXDBA_LO, (__u64)jme->txring[0].dma & 0xFFFFFFFFUL); |
3bf61c55 | 614 | jwrite32(jme, JME_TXDBA_HI, (__u64)(jme->txring[0].dma) >> 32); |
fcf45b4c | 615 | jwrite32(jme, JME_TXNDA, (__u64)jme->txring[0].dma & 0xFFFFFFFFUL); |
d7699f87 GFT |
616 | |
617 | /* | |
618 | * Setup TX Descptor Count | |
619 | */ | |
b3821cc5 | 620 | jwrite32(jme, JME_TXQDC, jme->tx_ring_size); |
d7699f87 GFT |
621 | |
622 | /* | |
623 | * Enable TX Engine | |
624 | */ | |
625 | wmb(); | |
4330c2f2 GFT |
626 | jwrite32(jme, JME_TXCS, jme->reg_txcs | |
627 | TXCS_SELECT_QUEUE0 | | |
628 | TXCS_ENABLE); | |
d7699f87 GFT |
629 | |
630 | } | |
631 | ||
cd0ff491 | 632 | static inline void |
29bdd921 GFT |
633 | jme_restart_tx_engine(struct jme_adapter *jme) |
634 | { | |
635 | /* | |
636 | * Restart TX Engine | |
637 | */ | |
638 | jwrite32(jme, JME_TXCS, jme->reg_txcs | | |
639 | TXCS_SELECT_QUEUE0 | | |
640 | TXCS_ENABLE); | |
641 | } | |
642 | ||
cd0ff491 | 643 | static inline void |
3bf61c55 | 644 | jme_disable_tx_engine(struct jme_adapter *jme) |
d7699f87 GFT |
645 | { |
646 | int i; | |
cd0ff491 | 647 | u32 val; |
d7699f87 GFT |
648 | |
649 | /* | |
650 | * Disable TX Engine | |
651 | */ | |
fcf45b4c | 652 | jwrite32(jme, JME_TXCS, jme->reg_txcs | TXCS_SELECT_QUEUE0); |
cd0ff491 | 653 | wmb(); |
d7699f87 GFT |
654 | |
655 | val = jread32(jme, JME_TXCS); | |
cd0ff491 | 656 | for (i = JME_TX_DISABLE_TIMEOUT ; (val & TXCS_ENABLE) && i > 0 ; --i) { |
fcf45b4c | 657 | mdelay(1); |
d7699f87 | 658 | val = jread32(jme, JME_TXCS); |
cd0ff491 | 659 | rmb(); |
d7699f87 GFT |
660 | } |
661 | ||
cd0ff491 GFT |
662 | if (!i) |
663 | jeprintk(jme->pdev, "Disable TX engine timeout.\n"); | |
d7699f87 GFT |
664 | } |
665 | ||
3bf61c55 GFT |
666 | static void |
667 | jme_set_clean_rxdesc(struct jme_adapter *jme, int i) | |
d7699f87 | 668 | { |
0ede469c | 669 | struct jme_ring *rxring = &(jme->rxring[0]); |
cd0ff491 | 670 | register struct rxdesc *rxdesc = rxring->desc; |
4330c2f2 GFT |
671 | struct jme_buffer_info *rxbi = rxring->bufinf; |
672 | rxdesc += i; | |
673 | rxbi += i; | |
674 | ||
675 | rxdesc->dw[0] = 0; | |
676 | rxdesc->dw[1] = 0; | |
3bf61c55 | 677 | rxdesc->desc1.bufaddrh = cpu_to_le32((__u64)rxbi->mapping >> 32); |
fcf45b4c GFT |
678 | rxdesc->desc1.bufaddrl = cpu_to_le32( |
679 | (__u64)rxbi->mapping & 0xFFFFFFFFUL); | |
3bf61c55 | 680 | rxdesc->desc1.datalen = cpu_to_le16(rxbi->len); |
cd0ff491 | 681 | if (jme->dev->features & NETIF_F_HIGHDMA) |
3bf61c55 | 682 | rxdesc->desc1.flags = RXFLAG_64BIT; |
d7699f87 | 683 | wmb(); |
3bf61c55 | 684 | rxdesc->desc1.flags |= RXFLAG_OWN | RXFLAG_INT; |
d7699f87 GFT |
685 | } |
686 | ||
3bf61c55 GFT |
687 | static int |
688 | jme_make_new_rx_buf(struct jme_adapter *jme, int i) | |
4330c2f2 GFT |
689 | { |
690 | struct jme_ring *rxring = &(jme->rxring[0]); | |
b3821cc5 | 691 | struct jme_buffer_info *rxbi = rxring->bufinf + i; |
cd0ff491 | 692 | struct sk_buff *skb; |
4330c2f2 | 693 | |
79ce639c GFT |
694 | skb = netdev_alloc_skb(jme->dev, |
695 | jme->dev->mtu + RX_EXTRA_LEN); | |
cd0ff491 | 696 | if (unlikely(!skb)) |
4330c2f2 | 697 | return -ENOMEM; |
3b70a6fa GFT |
698 | #if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19) |
699 | skb->dev = jme->dev; | |
700 | #endif | |
3bf61c55 | 701 | |
4330c2f2 | 702 | rxbi->skb = skb; |
3bf61c55 | 703 | rxbi->len = skb_tailroom(skb); |
b3821cc5 GFT |
704 | rxbi->mapping = pci_map_page(jme->pdev, |
705 | virt_to_page(skb->data), | |
706 | offset_in_page(skb->data), | |
707 | rxbi->len, | |
708 | PCI_DMA_FROMDEVICE); | |
4330c2f2 GFT |
709 | |
710 | return 0; | |
711 | } | |
712 | ||
3bf61c55 GFT |
713 | static void |
714 | jme_free_rx_buf(struct jme_adapter *jme, int i) | |
4330c2f2 GFT |
715 | { |
716 | struct jme_ring *rxring = &(jme->rxring[0]); | |
717 | struct jme_buffer_info *rxbi = rxring->bufinf; | |
718 | rxbi += i; | |
719 | ||
cd0ff491 | 720 | if (rxbi->skb) { |
b3821cc5 | 721 | pci_unmap_page(jme->pdev, |
4330c2f2 | 722 | rxbi->mapping, |
3bf61c55 | 723 | rxbi->len, |
4330c2f2 GFT |
724 | PCI_DMA_FROMDEVICE); |
725 | dev_kfree_skb(rxbi->skb); | |
726 | rxbi->skb = NULL; | |
727 | rxbi->mapping = 0; | |
3bf61c55 | 728 | rxbi->len = 0; |
4330c2f2 GFT |
729 | } |
730 | } | |
731 | ||
3bf61c55 GFT |
732 | static void |
733 | jme_free_rx_resources(struct jme_adapter *jme) | |
734 | { | |
735 | int i; | |
736 | struct jme_ring *rxring = &(jme->rxring[0]); | |
737 | ||
cd0ff491 | 738 | if (rxring->alloc) { |
0ede469c GFT |
739 | if (rxring->bufinf) { |
740 | for (i = 0 ; i < jme->rx_ring_size ; ++i) | |
741 | jme_free_rx_buf(jme, i); | |
742 | kfree(rxring->bufinf); | |
743 | } | |
3bf61c55 GFT |
744 | |
745 | dma_free_coherent(&(jme->pdev->dev), | |
b3821cc5 | 746 | RX_RING_ALLOC_SIZE(jme->rx_ring_size), |
3bf61c55 GFT |
747 | rxring->alloc, |
748 | rxring->dmaalloc); | |
749 | rxring->alloc = NULL; | |
750 | rxring->desc = NULL; | |
751 | rxring->dmaalloc = 0; | |
752 | rxring->dma = 0; | |
0ede469c | 753 | rxring->bufinf = NULL; |
3bf61c55 GFT |
754 | } |
755 | rxring->next_to_use = 0; | |
cdcdc9eb | 756 | atomic_set(&rxring->next_to_clean, 0); |
3bf61c55 GFT |
757 | } |
758 | ||
759 | static int | |
760 | jme_setup_rx_resources(struct jme_adapter *jme) | |
d7699f87 GFT |
761 | { |
762 | int i; | |
763 | struct jme_ring *rxring = &(jme->rxring[0]); | |
764 | ||
765 | rxring->alloc = dma_alloc_coherent(&(jme->pdev->dev), | |
b3821cc5 GFT |
766 | RX_RING_ALLOC_SIZE(jme->rx_ring_size), |
767 | &(rxring->dmaalloc), | |
768 | GFP_ATOMIC); | |
0ede469c GFT |
769 | if (!rxring->alloc) |
770 | goto err_set_null; | |
d7699f87 GFT |
771 | |
772 | /* | |
773 | * 16 Bytes align | |
774 | */ | |
cd0ff491 | 775 | rxring->desc = (void *)ALIGN((unsigned long)(rxring->alloc), |
3bf61c55 | 776 | RING_DESC_ALIGN); |
4330c2f2 | 777 | rxring->dma = ALIGN(rxring->dmaalloc, RING_DESC_ALIGN); |
d7699f87 | 778 | rxring->next_to_use = 0; |
cdcdc9eb | 779 | atomic_set(&rxring->next_to_clean, 0); |
d7699f87 | 780 | |
0ede469c GFT |
781 | rxring->bufinf = kmalloc(sizeof(struct jme_buffer_info) * |
782 | jme->rx_ring_size, GFP_ATOMIC); | |
783 | if (unlikely(!(rxring->bufinf))) | |
784 | goto err_free_rxring; | |
785 | ||
d7699f87 GFT |
786 | /* |
787 | * Initiallize Receive Descriptors | |
788 | */ | |
0ede469c GFT |
789 | memset(rxring->bufinf, 0, |
790 | sizeof(struct jme_buffer_info) * jme->rx_ring_size); | |
cd0ff491 GFT |
791 | for (i = 0 ; i < jme->rx_ring_size ; ++i) { |
792 | if (unlikely(jme_make_new_rx_buf(jme, i))) { | |
3bf61c55 GFT |
793 | jme_free_rx_resources(jme); |
794 | return -ENOMEM; | |
795 | } | |
d7699f87 GFT |
796 | |
797 | jme_set_clean_rxdesc(jme, i); | |
798 | } | |
799 | ||
d7699f87 | 800 | return 0; |
0ede469c GFT |
801 | |
802 | err_free_rxring: | |
803 | dma_free_coherent(&(jme->pdev->dev), | |
804 | RX_RING_ALLOC_SIZE(jme->rx_ring_size), | |
805 | rxring->alloc, | |
806 | rxring->dmaalloc); | |
807 | err_set_null: | |
808 | rxring->desc = NULL; | |
809 | rxring->dmaalloc = 0; | |
810 | rxring->dma = 0; | |
811 | rxring->bufinf = NULL; | |
812 | ||
813 | return -ENOMEM; | |
d7699f87 GFT |
814 | } |
815 | ||
cd0ff491 | 816 | static inline void |
3bf61c55 | 817 | jme_enable_rx_engine(struct jme_adapter *jme) |
d7699f87 | 818 | { |
cd0ff491 GFT |
819 | /* |
820 | * Select Queue 0 | |
821 | */ | |
822 | jwrite32(jme, JME_RXCS, jme->reg_rxcs | | |
823 | RXCS_QUEUESEL_Q0); | |
824 | wmb(); | |
825 | ||
d7699f87 GFT |
826 | /* |
827 | * Setup RX DMA Bass Address | |
828 | */ | |
0ede469c | 829 | jwrite32(jme, JME_RXDBA_LO, (__u64)(jme->rxring[0].dma) & 0xFFFFFFFFUL); |
3bf61c55 | 830 | jwrite32(jme, JME_RXDBA_HI, (__u64)(jme->rxring[0].dma) >> 32); |
0ede469c | 831 | jwrite32(jme, JME_RXNDA, (__u64)(jme->rxring[0].dma) & 0xFFFFFFFFUL); |
d7699f87 GFT |
832 | |
833 | /* | |
b3821cc5 | 834 | * Setup RX Descriptor Count |
d7699f87 | 835 | */ |
b3821cc5 | 836 | jwrite32(jme, JME_RXQDC, jme->rx_ring_size); |
d7699f87 | 837 | |
3bf61c55 | 838 | /* |
d7699f87 GFT |
839 | * Setup Unicast Filter |
840 | */ | |
841 | jme_set_multi(jme->dev); | |
842 | ||
843 | /* | |
844 | * Enable RX Engine | |
845 | */ | |
846 | wmb(); | |
79ce639c | 847 | jwrite32(jme, JME_RXCS, jme->reg_rxcs | |
4330c2f2 GFT |
848 | RXCS_QUEUESEL_Q0 | |
849 | RXCS_ENABLE | | |
850 | RXCS_QST); | |
d7699f87 GFT |
851 | } |
852 | ||
cd0ff491 | 853 | static inline void |
3bf61c55 | 854 | jme_restart_rx_engine(struct jme_adapter *jme) |
4330c2f2 GFT |
855 | { |
856 | /* | |
3bf61c55 | 857 | * Start RX Engine |
4330c2f2 | 858 | */ |
79ce639c | 859 | jwrite32(jme, JME_RXCS, jme->reg_rxcs | |
4330c2f2 GFT |
860 | RXCS_QUEUESEL_Q0 | |
861 | RXCS_ENABLE | | |
862 | RXCS_QST); | |
863 | } | |
864 | ||
cd0ff491 | 865 | static inline void |
3bf61c55 | 866 | jme_disable_rx_engine(struct jme_adapter *jme) |
d7699f87 GFT |
867 | { |
868 | int i; | |
cd0ff491 | 869 | u32 val; |
d7699f87 GFT |
870 | |
871 | /* | |
872 | * Disable RX Engine | |
873 | */ | |
29bdd921 | 874 | jwrite32(jme, JME_RXCS, jme->reg_rxcs); |
cd0ff491 | 875 | wmb(); |
d7699f87 GFT |
876 | |
877 | val = jread32(jme, JME_RXCS); | |
cd0ff491 | 878 | for (i = JME_RX_DISABLE_TIMEOUT ; (val & RXCS_ENABLE) && i > 0 ; --i) { |
29bdd921 | 879 | mdelay(1); |
d7699f87 | 880 | val = jread32(jme, JME_RXCS); |
cd0ff491 | 881 | rmb(); |
d7699f87 GFT |
882 | } |
883 | ||
cd0ff491 GFT |
884 | if (!i) |
885 | jeprintk(jme->pdev, "Disable RX engine timeout.\n"); | |
d7699f87 GFT |
886 | |
887 | } | |
888 | ||
192570e0 | 889 | static int |
cd0ff491 | 890 | jme_rxsum_ok(struct jme_adapter *jme, u16 flags) |
192570e0 | 891 | { |
cd0ff491 | 892 | if (!(flags & (RXWBFLAG_TCPON | RXWBFLAG_UDPON | RXWBFLAG_IPV4))) |
192570e0 GFT |
893 | return false; |
894 | ||
0ede469c GFT |
895 | if (unlikely((flags & (RXWBFLAG_MF | RXWBFLAG_TCPON | RXWBFLAG_TCPCS)) |
896 | == RXWBFLAG_TCPON)) { | |
897 | if (flags & RXWBFLAG_IPV4) | |
7ca9ebee | 898 | #if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,33) |
0ede469c | 899 | msg_rx_err(jme, "TCP Checksum error\n"); |
7ca9ebee GFT |
900 | #else |
901 | netif_err(jme, rx_err, jme->dev, "TCP Checksum error\n"); | |
902 | #endif | |
0ede469c | 903 | return false; |
192570e0 GFT |
904 | } |
905 | ||
0ede469c GFT |
906 | if (unlikely((flags & (RXWBFLAG_MF | RXWBFLAG_UDPON | RXWBFLAG_UDPCS)) |
907 | == RXWBFLAG_UDPON)) { | |
908 | if (flags & RXWBFLAG_IPV4) | |
7ca9ebee | 909 | #if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,33) |
0ede469c | 910 | msg_rx_err(jme, "UDP Checksum error.\n"); |
7ca9ebee GFT |
911 | #else |
912 | netif_err(jme, rx_err, jme->dev, "UDP Checksum error.\n"); | |
913 | #endif | |
0ede469c | 914 | return false; |
192570e0 GFT |
915 | } |
916 | ||
0ede469c GFT |
917 | if (unlikely((flags & (RXWBFLAG_IPV4 | RXWBFLAG_IPCS)) |
918 | == RXWBFLAG_IPV4)) { | |
7ca9ebee | 919 | #if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,33) |
cd0ff491 | 920 | msg_rx_err(jme, "IPv4 Checksum error.\n"); |
7ca9ebee GFT |
921 | #else |
922 | netif_err(jme, rx_err, jme->dev, "IPv4 Checksum error.\n"); | |
923 | #endif | |
0ede469c | 924 | return false; |
192570e0 GFT |
925 | } |
926 | ||
927 | return true; | |
928 | } | |
929 | ||
3bf61c55 | 930 | static void |
42b1055e | 931 | jme_alloc_and_feed_skb(struct jme_adapter *jme, int idx) |
d7699f87 | 932 | { |
d7699f87 | 933 | struct jme_ring *rxring = &(jme->rxring[0]); |
cd0ff491 | 934 | struct rxdesc *rxdesc = rxring->desc; |
3bf61c55 | 935 | struct jme_buffer_info *rxbi = rxring->bufinf; |
d7699f87 | 936 | struct sk_buff *skb; |
3bf61c55 | 937 | int framesize; |
d7699f87 | 938 | |
3bf61c55 GFT |
939 | rxdesc += idx; |
940 | rxbi += idx; | |
d7699f87 | 941 | |
3bf61c55 GFT |
942 | skb = rxbi->skb; |
943 | pci_dma_sync_single_for_cpu(jme->pdev, | |
944 | rxbi->mapping, | |
945 | rxbi->len, | |
946 | PCI_DMA_FROMDEVICE); | |
947 | ||
cd0ff491 | 948 | if (unlikely(jme_make_new_rx_buf(jme, idx))) { |
3bf61c55 GFT |
949 | pci_dma_sync_single_for_device(jme->pdev, |
950 | rxbi->mapping, | |
951 | rxbi->len, | |
952 | PCI_DMA_FROMDEVICE); | |
953 | ||
954 | ++(NET_STAT(jme).rx_dropped); | |
cd0ff491 | 955 | } else { |
3bf61c55 GFT |
956 | framesize = le16_to_cpu(rxdesc->descwb.framesize) |
957 | - RX_PREPAD_SIZE; | |
958 | ||
959 | skb_reserve(skb, RX_PREPAD_SIZE); | |
960 | skb_put(skb, framesize); | |
961 | skb->protocol = eth_type_trans(skb, jme->dev); | |
962 | ||
3b70a6fa | 963 | if (jme_rxsum_ok(jme, le16_to_cpu(rxdesc->descwb.flags))) |
8c198884 | 964 | skb->ip_summed = CHECKSUM_UNNECESSARY; |
29bdd921 | 965 | else |
08f5fcfa | 966 | #if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,35) |
29bdd921 | 967 | skb->ip_summed = CHECKSUM_NONE; |
08f5fcfa ED |
968 | #else |
969 | skb_checksum_none_assert(skb); | |
970 | #endif | |
8c198884 | 971 | |
3b70a6fa | 972 | if (rxdesc->descwb.flags & cpu_to_le16(RXWBFLAG_TAGON)) { |
cd0ff491 | 973 | if (jme->vlgrp) { |
cdcdc9eb | 974 | jme->jme_vlan_rx(skb, jme->vlgrp, |
3b70a6fa | 975 | le16_to_cpu(rxdesc->descwb.vlan)); |
b3821cc5 | 976 | NET_STAT(jme).rx_bytes += 4; |
7ca9ebee | 977 | } else { |
7ca9ebee | 978 | dev_kfree_skb(skb); |
b3821cc5 | 979 | } |
cd0ff491 | 980 | } else { |
cdcdc9eb | 981 | jme->jme_rx(skb); |
b3821cc5 | 982 | } |
3bf61c55 | 983 | |
3b70a6fa GFT |
984 | if ((rxdesc->descwb.flags & cpu_to_le16(RXWBFLAG_DEST)) == |
985 | cpu_to_le16(RXWBFLAG_DEST_MUL)) | |
3bf61c55 GFT |
986 | ++(NET_STAT(jme).multicast); |
987 | ||
3bf61c55 GFT |
988 | NET_STAT(jme).rx_bytes += framesize; |
989 | ++(NET_STAT(jme).rx_packets); | |
990 | } | |
991 | ||
992 | jme_set_clean_rxdesc(jme, idx); | |
993 | ||
994 | } | |
995 | ||
996 | static int | |
997 | jme_process_receive(struct jme_adapter *jme, int limit) | |
998 | { | |
999 | struct jme_ring *rxring = &(jme->rxring[0]); | |
cd0ff491 | 1000 | struct rxdesc *rxdesc = rxring->desc; |
b3821cc5 | 1001 | int i, j, ccnt, desccnt, mask = jme->rx_ring_mask; |
3bf61c55 | 1002 | |
cd0ff491 | 1003 | if (unlikely(!atomic_dec_and_test(&jme->rx_cleaning))) |
192570e0 GFT |
1004 | goto out_inc; |
1005 | ||
cd0ff491 | 1006 | if (unlikely(atomic_read(&jme->link_changing) != 1)) |
192570e0 GFT |
1007 | goto out_inc; |
1008 | ||
cd0ff491 | 1009 | if (unlikely(!netif_carrier_ok(jme->dev))) |
192570e0 GFT |
1010 | goto out_inc; |
1011 | ||
cdcdc9eb | 1012 | i = atomic_read(&rxring->next_to_clean); |
0ede469c | 1013 | while (limit > 0) { |
3bf61c55 GFT |
1014 | rxdesc = rxring->desc; |
1015 | rxdesc += i; | |
1016 | ||
3b70a6fa | 1017 | if ((rxdesc->descwb.flags & cpu_to_le16(RXWBFLAG_OWN)) || |
3bf61c55 GFT |
1018 | !(rxdesc->descwb.desccnt & RXWBDCNT_WBCPL)) |
1019 | goto out; | |
0ede469c | 1020 | --limit; |
d7699f87 | 1021 | |
4330c2f2 GFT |
1022 | desccnt = rxdesc->descwb.desccnt & RXWBDCNT_DCNT; |
1023 | ||
cd0ff491 | 1024 | if (unlikely(desccnt > 1 || |
192570e0 | 1025 | rxdesc->descwb.errstat & RXWBERR_ALLERR)) { |
d7699f87 | 1026 | |
cd0ff491 | 1027 | if (rxdesc->descwb.errstat & RXWBERR_CRCERR) |
3bf61c55 | 1028 | ++(NET_STAT(jme).rx_crc_errors); |
cd0ff491 | 1029 | else if (rxdesc->descwb.errstat & RXWBERR_OVERUN) |
3bf61c55 GFT |
1030 | ++(NET_STAT(jme).rx_fifo_errors); |
1031 | else | |
1032 | ++(NET_STAT(jme).rx_errors); | |
4330c2f2 | 1033 | |
cd0ff491 | 1034 | if (desccnt > 1) |
3bf61c55 | 1035 | limit -= desccnt - 1; |
4330c2f2 | 1036 | |
cd0ff491 | 1037 | for (j = i, ccnt = desccnt ; ccnt-- ; ) { |
4330c2f2 | 1038 | jme_set_clean_rxdesc(jme, j); |
b3821cc5 | 1039 | j = (j + 1) & (mask); |
4330c2f2 | 1040 | } |
3bf61c55 | 1041 | |
cd0ff491 | 1042 | } else { |
42b1055e | 1043 | jme_alloc_and_feed_skb(jme, i); |
3bf61c55 | 1044 | } |
4330c2f2 | 1045 | |
b3821cc5 | 1046 | i = (i + desccnt) & (mask); |
3bf61c55 | 1047 | } |
4330c2f2 | 1048 | |
3bf61c55 | 1049 | out: |
cdcdc9eb | 1050 | atomic_set(&rxring->next_to_clean, i); |
4330c2f2 | 1051 | |
192570e0 GFT |
1052 | out_inc: |
1053 | atomic_inc(&jme->rx_cleaning); | |
1054 | ||
3bf61c55 | 1055 | return limit > 0 ? limit : 0; |
4330c2f2 | 1056 | |
3bf61c55 | 1057 | } |
d7699f87 | 1058 | |
79ce639c GFT |
1059 | static void |
1060 | jme_attempt_pcc(struct dynpcc_info *dpi, int atmp) | |
1061 | { | |
cd0ff491 | 1062 | if (likely(atmp == dpi->cur)) { |
192570e0 | 1063 | dpi->cnt = 0; |
79ce639c | 1064 | return; |
192570e0 | 1065 | } |
79ce639c | 1066 | |
cd0ff491 | 1067 | if (dpi->attempt == atmp) { |
79ce639c | 1068 | ++(dpi->cnt); |
cd0ff491 | 1069 | } else { |
79ce639c GFT |
1070 | dpi->attempt = atmp; |
1071 | dpi->cnt = 0; | |
1072 | } | |
1073 | ||
1074 | } | |
1075 | ||
1076 | static void | |
1077 | jme_dynamic_pcc(struct jme_adapter *jme) | |
1078 | { | |
1079 | register struct dynpcc_info *dpi = &(jme->dpi); | |
1080 | ||
cd0ff491 | 1081 | if ((NET_STAT(jme).rx_bytes - dpi->last_bytes) > PCC_P3_THRESHOLD) |
79ce639c | 1082 | jme_attempt_pcc(dpi, PCC_P3); |
7ca9ebee GFT |
1083 | else if ((NET_STAT(jme).rx_packets - dpi->last_pkts) > PCC_P2_THRESHOLD || |
1084 | dpi->intr_cnt > PCC_INTR_THRESHOLD) | |
79ce639c GFT |
1085 | jme_attempt_pcc(dpi, PCC_P2); |
1086 | else | |
1087 | jme_attempt_pcc(dpi, PCC_P1); | |
1088 | ||
cd0ff491 GFT |
1089 | if (unlikely(dpi->attempt != dpi->cur && dpi->cnt > 5)) { |
1090 | if (dpi->attempt < dpi->cur) | |
1091 | tasklet_schedule(&jme->rxclean_task); | |
79ce639c GFT |
1092 | jme_set_rx_pcc(jme, dpi->attempt); |
1093 | dpi->cur = dpi->attempt; | |
1094 | dpi->cnt = 0; | |
1095 | } | |
1096 | } | |
1097 | ||
1098 | static void | |
1099 | jme_start_pcc_timer(struct jme_adapter *jme) | |
1100 | { | |
1101 | struct dynpcc_info *dpi = &(jme->dpi); | |
1102 | dpi->last_bytes = NET_STAT(jme).rx_bytes; | |
1103 | dpi->last_pkts = NET_STAT(jme).rx_packets; | |
1104 | dpi->intr_cnt = 0; | |
1105 | jwrite32(jme, JME_TMCSR, | |
1106 | TMCSR_EN | ((0xFFFFFF - PCC_INTERVAL_US) & TMCSR_CNT)); | |
1107 | } | |
1108 | ||
cd0ff491 | 1109 | static inline void |
29bdd921 GFT |
1110 | jme_stop_pcc_timer(struct jme_adapter *jme) |
1111 | { | |
1112 | jwrite32(jme, JME_TMCSR, 0); | |
1113 | } | |
1114 | ||
cd0ff491 GFT |
1115 | static void |
1116 | jme_shutdown_nic(struct jme_adapter *jme) | |
1117 | { | |
1118 | u32 phylink; | |
1119 | ||
1120 | phylink = jme_linkstat_from_phy(jme); | |
1121 | ||
1122 | if (!(phylink & PHY_LINK_UP)) { | |
1123 | /* | |
1124 | * Disable all interrupt before issue timer | |
1125 | */ | |
1126 | jme_stop_irq(jme); | |
1127 | jwrite32(jme, JME_TIMER2, TMCSR_EN | 0xFFFFFE); | |
1128 | } | |
1129 | } | |
1130 | ||
79ce639c GFT |
1131 | static void |
1132 | jme_pcc_tasklet(unsigned long arg) | |
1133 | { | |
cd0ff491 | 1134 | struct jme_adapter *jme = (struct jme_adapter *)arg; |
79ce639c GFT |
1135 | struct net_device *netdev = jme->dev; |
1136 | ||
cd0ff491 GFT |
1137 | if (unlikely(test_bit(JME_FLAG_SHUTDOWN, &jme->flags))) { |
1138 | jme_shutdown_nic(jme); | |
1139 | return; | |
1140 | } | |
29bdd921 | 1141 | |
cd0ff491 | 1142 | if (unlikely(!netif_carrier_ok(netdev) || |
29bdd921 GFT |
1143 | (atomic_read(&jme->link_changing) != 1) |
1144 | )) { | |
1145 | jme_stop_pcc_timer(jme); | |
79ce639c GFT |
1146 | return; |
1147 | } | |
29bdd921 | 1148 | |
cd0ff491 | 1149 | if (!(test_bit(JME_FLAG_POLL, &jme->flags))) |
192570e0 GFT |
1150 | jme_dynamic_pcc(jme); |
1151 | ||
79ce639c GFT |
1152 | jme_start_pcc_timer(jme); |
1153 | } | |
1154 | ||
cd0ff491 | 1155 | static inline void |
192570e0 GFT |
1156 | jme_polling_mode(struct jme_adapter *jme) |
1157 | { | |
1158 | jme_set_rx_pcc(jme, PCC_OFF); | |
1159 | } | |
1160 | ||
cd0ff491 | 1161 | static inline void |
192570e0 GFT |
1162 | jme_interrupt_mode(struct jme_adapter *jme) |
1163 | { | |
1164 | jme_set_rx_pcc(jme, PCC_P1); | |
1165 | } | |
1166 | ||
cd0ff491 GFT |
1167 | static inline int |
1168 | jme_pseudo_hotplug_enabled(struct jme_adapter *jme) | |
1169 | { | |
1170 | u32 apmc; | |
1171 | apmc = jread32(jme, JME_APMC); | |
1172 | return apmc & JME_APMC_PSEUDO_HP_EN; | |
1173 | } | |
1174 | ||
1175 | static void | |
1176 | jme_start_shutdown_timer(struct jme_adapter *jme) | |
1177 | { | |
1178 | u32 apmc; | |
1179 | ||
1180 | apmc = jread32(jme, JME_APMC) | JME_APMC_PCIE_SD_EN; | |
1181 | apmc &= ~JME_APMC_EPIEN_CTRL; | |
1182 | if (!no_extplug) { | |
1183 | jwrite32f(jme, JME_APMC, apmc | JME_APMC_EPIEN_CTRL_EN); | |
1184 | wmb(); | |
1185 | } | |
1186 | jwrite32f(jme, JME_APMC, apmc); | |
1187 | ||
1188 | jwrite32f(jme, JME_TIMER2, 0); | |
1189 | set_bit(JME_FLAG_SHUTDOWN, &jme->flags); | |
1190 | jwrite32(jme, JME_TMCSR, | |
1191 | TMCSR_EN | ((0xFFFFFF - APMC_PHP_SHUTDOWN_DELAY) & TMCSR_CNT)); | |
1192 | } | |
1193 | ||
1194 | static void | |
1195 | jme_stop_shutdown_timer(struct jme_adapter *jme) | |
1196 | { | |
1197 | u32 apmc; | |
1198 | ||
1199 | jwrite32f(jme, JME_TMCSR, 0); | |
1200 | jwrite32f(jme, JME_TIMER2, 0); | |
1201 | clear_bit(JME_FLAG_SHUTDOWN, &jme->flags); | |
1202 | ||
1203 | apmc = jread32(jme, JME_APMC); | |
1204 | apmc &= ~(JME_APMC_PCIE_SD_EN | JME_APMC_EPIEN_CTRL); | |
1205 | jwrite32f(jme, JME_APMC, apmc | JME_APMC_EPIEN_CTRL_DIS); | |
1206 | wmb(); | |
1207 | jwrite32f(jme, JME_APMC, apmc); | |
1208 | } | |
1209 | ||
3bf61c55 GFT |
1210 | static void |
1211 | jme_link_change_tasklet(unsigned long arg) | |
1212 | { | |
cd0ff491 | 1213 | struct jme_adapter *jme = (struct jme_adapter *)arg; |
fcf45b4c | 1214 | struct net_device *netdev = jme->dev; |
fcf45b4c GFT |
1215 | int rc; |
1216 | ||
cd0ff491 GFT |
1217 | while (!atomic_dec_and_test(&jme->link_changing)) { |
1218 | atomic_inc(&jme->link_changing); | |
7ca9ebee | 1219 | #if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,33) |
cd0ff491 | 1220 | msg_intr(jme, "Get link change lock failed.\n"); |
7ca9ebee GFT |
1221 | #else |
1222 | netif_info(jme, intr, jme->dev, "Get link change lock failed.\n"); | |
1223 | #endif | |
58c92f28 | 1224 | while (atomic_read(&jme->link_changing) != 1) |
7ca9ebee | 1225 | #if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,33) |
cd0ff491 | 1226 | msg_intr(jme, "Waiting link change lock.\n"); |
7ca9ebee GFT |
1227 | #else |
1228 | netif_info(jme, intr, jme->dev, "Waiting link change lock.\n"); | |
1229 | #endif | |
cd0ff491 | 1230 | } |
fcf45b4c | 1231 | |
cd0ff491 | 1232 | if (jme_check_link(netdev, 1) && jme->old_mtu == netdev->mtu) |
fcf45b4c GFT |
1233 | goto out; |
1234 | ||
29bdd921 | 1235 | jme->old_mtu = netdev->mtu; |
fcf45b4c | 1236 | netif_stop_queue(netdev); |
cd0ff491 GFT |
1237 | if (jme_pseudo_hotplug_enabled(jme)) |
1238 | jme_stop_shutdown_timer(jme); | |
1239 | ||
1240 | jme_stop_pcc_timer(jme); | |
1241 | tasklet_disable(&jme->txclean_task); | |
1242 | tasklet_disable(&jme->rxclean_task); | |
1243 | tasklet_disable(&jme->rxempty_task); | |
1244 | ||
1245 | if (netif_carrier_ok(netdev)) { | |
1246 | jme_reset_ghc_speed(jme); | |
1247 | jme_disable_rx_engine(jme); | |
1248 | jme_disable_tx_engine(jme); | |
fcf45b4c GFT |
1249 | jme_reset_mac_processor(jme); |
1250 | jme_free_rx_resources(jme); | |
1251 | jme_free_tx_resources(jme); | |
192570e0 | 1252 | |
cd0ff491 | 1253 | if (test_bit(JME_FLAG_POLL, &jme->flags)) |
192570e0 | 1254 | jme_polling_mode(jme); |
cd0ff491 GFT |
1255 | |
1256 | netif_carrier_off(netdev); | |
fcf45b4c GFT |
1257 | } |
1258 | ||
1259 | jme_check_link(netdev, 0); | |
cd0ff491 | 1260 | if (netif_carrier_ok(netdev)) { |
fcf45b4c | 1261 | rc = jme_setup_rx_resources(jme); |
cd0ff491 GFT |
1262 | if (rc) { |
1263 | jeprintk(jme->pdev, "Allocating resources for RX error" | |
fcf45b4c | 1264 | ", Device STOPPED!\n"); |
cd0ff491 | 1265 | goto out_enable_tasklet; |
fcf45b4c GFT |
1266 | } |
1267 | ||
fcf45b4c | 1268 | rc = jme_setup_tx_resources(jme); |
cd0ff491 GFT |
1269 | if (rc) { |
1270 | jeprintk(jme->pdev, "Allocating resources for TX error" | |
fcf45b4c GFT |
1271 | ", Device STOPPED!\n"); |
1272 | goto err_out_free_rx_resources; | |
1273 | } | |
1274 | ||
1275 | jme_enable_rx_engine(jme); | |
1276 | jme_enable_tx_engine(jme); | |
1277 | ||
1278 | netif_start_queue(netdev); | |
192570e0 | 1279 | |
cd0ff491 | 1280 | if (test_bit(JME_FLAG_POLL, &jme->flags)) |
192570e0 | 1281 | jme_interrupt_mode(jme); |
192570e0 | 1282 | |
79ce639c | 1283 | jme_start_pcc_timer(jme); |
cd0ff491 GFT |
1284 | } else if (jme_pseudo_hotplug_enabled(jme)) { |
1285 | jme_start_shutdown_timer(jme); | |
fcf45b4c GFT |
1286 | } |
1287 | ||
cd0ff491 | 1288 | goto out_enable_tasklet; |
fcf45b4c GFT |
1289 | |
1290 | err_out_free_rx_resources: | |
1291 | jme_free_rx_resources(jme); | |
cd0ff491 GFT |
1292 | out_enable_tasklet: |
1293 | tasklet_enable(&jme->txclean_task); | |
1294 | tasklet_hi_enable(&jme->rxclean_task); | |
1295 | tasklet_hi_enable(&jme->rxempty_task); | |
fcf45b4c GFT |
1296 | out: |
1297 | atomic_inc(&jme->link_changing); | |
3bf61c55 | 1298 | } |
d7699f87 | 1299 | |
3bf61c55 GFT |
1300 | static void |
1301 | jme_rx_clean_tasklet(unsigned long arg) | |
1302 | { | |
cd0ff491 | 1303 | struct jme_adapter *jme = (struct jme_adapter *)arg; |
79ce639c | 1304 | struct dynpcc_info *dpi = &(jme->dpi); |
d7699f87 | 1305 | |
192570e0 GFT |
1306 | jme_process_receive(jme, jme->rx_ring_size); |
1307 | ++(dpi->intr_cnt); | |
42b1055e | 1308 | |
192570e0 | 1309 | } |
fcf45b4c | 1310 | |
192570e0 | 1311 | static int |
cdcdc9eb | 1312 | jme_poll(JME_NAPI_HOLDER(holder), JME_NAPI_WEIGHT(budget)) |
192570e0 | 1313 | { |
cdcdc9eb | 1314 | struct jme_adapter *jme = jme_napi_priv(holder); |
3b70a6fa | 1315 | DECLARE_NETDEV |
192570e0 | 1316 | int rest; |
fcf45b4c | 1317 | |
cdcdc9eb | 1318 | rest = jme_process_receive(jme, JME_NAPI_WEIGHT_VAL(budget)); |
fcf45b4c | 1319 | |
cd0ff491 | 1320 | while (atomic_read(&jme->rx_empty) > 0) { |
cdcdc9eb | 1321 | atomic_dec(&jme->rx_empty); |
192570e0 GFT |
1322 | ++(NET_STAT(jme).rx_dropped); |
1323 | jme_restart_rx_engine(jme); | |
1324 | } | |
1325 | atomic_inc(&jme->rx_empty); | |
1326 | ||
cd0ff491 | 1327 | if (rest) { |
cdcdc9eb | 1328 | JME_RX_COMPLETE(netdev, holder); |
192570e0 GFT |
1329 | jme_interrupt_mode(jme); |
1330 | } | |
1331 | ||
cdcdc9eb GFT |
1332 | JME_NAPI_WEIGHT_SET(budget, rest); |
1333 | return JME_NAPI_WEIGHT_VAL(budget) - rest; | |
fcf45b4c GFT |
1334 | } |
1335 | ||
1336 | static void | |
1337 | jme_rx_empty_tasklet(unsigned long arg) | |
1338 | { | |
cd0ff491 | 1339 | struct jme_adapter *jme = (struct jme_adapter *)arg; |
fcf45b4c | 1340 | |
cd0ff491 | 1341 | if (unlikely(atomic_read(&jme->link_changing) != 1)) |
fcf45b4c GFT |
1342 | return; |
1343 | ||
cd0ff491 | 1344 | if (unlikely(!netif_carrier_ok(jme->dev))) |
fcf45b4c GFT |
1345 | return; |
1346 | ||
7ca9ebee | 1347 | #if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,33) |
cd0ff491 | 1348 | msg_rx_status(jme, "RX Queue Full!\n"); |
7ca9ebee GFT |
1349 | #else |
1350 | netif_info(jme, rx_status, jme->dev, "RX Queue Full!\n"); | |
1351 | #endif | |
29bdd921 | 1352 | |
fcf45b4c | 1353 | jme_rx_clean_tasklet(arg); |
cdcdc9eb | 1354 | |
cd0ff491 | 1355 | while (atomic_read(&jme->rx_empty) > 0) { |
cdcdc9eb GFT |
1356 | atomic_dec(&jme->rx_empty); |
1357 | ++(NET_STAT(jme).rx_dropped); | |
1358 | jme_restart_rx_engine(jme); | |
1359 | } | |
1360 | atomic_inc(&jme->rx_empty); | |
4330c2f2 GFT |
1361 | } |
1362 | ||
b3821cc5 GFT |
1363 | static void |
1364 | jme_wake_queue_if_stopped(struct jme_adapter *jme) | |
1365 | { | |
0ede469c | 1366 | struct jme_ring *txring = &(jme->txring[0]); |
b3821cc5 GFT |
1367 | |
1368 | smp_wmb(); | |
cd0ff491 | 1369 | if (unlikely(netif_queue_stopped(jme->dev) && |
b3821cc5 | 1370 | atomic_read(&txring->nr_free) >= (jme->tx_wake_threshold))) { |
7ca9ebee | 1371 | #if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,33) |
cd0ff491 | 1372 | msg_tx_done(jme, "TX Queue Waked.\n"); |
7ca9ebee GFT |
1373 | #else |
1374 | netif_info(jme, tx_done, jme->dev, "TX Queue Waked.\n"); | |
1375 | #endif | |
b3821cc5 | 1376 | netif_wake_queue(jme->dev); |
b3821cc5 GFT |
1377 | } |
1378 | ||
1379 | } | |
1380 | ||
3bf61c55 GFT |
1381 | static void |
1382 | jme_tx_clean_tasklet(unsigned long arg) | |
4330c2f2 | 1383 | { |
cd0ff491 | 1384 | struct jme_adapter *jme = (struct jme_adapter *)arg; |
3bf61c55 | 1385 | struct jme_ring *txring = &(jme->txring[0]); |
cd0ff491 | 1386 | struct txdesc *txdesc = txring->desc; |
3bf61c55 | 1387 | struct jme_buffer_info *txbi = txring->bufinf, *ctxbi, *ttxbi; |
b3821cc5 | 1388 | int i, j, cnt = 0, max, err, mask; |
3bf61c55 | 1389 | |
cd0ff491 GFT |
1390 | tx_dbg(jme, "Into txclean.\n"); |
1391 | ||
1392 | if (unlikely(!atomic_dec_and_test(&jme->tx_cleaning))) | |
fcf45b4c GFT |
1393 | goto out; |
1394 | ||
cd0ff491 | 1395 | if (unlikely(atomic_read(&jme->link_changing) != 1)) |
fcf45b4c GFT |
1396 | goto out; |
1397 | ||
cd0ff491 | 1398 | if (unlikely(!netif_carrier_ok(jme->dev))) |
fcf45b4c GFT |
1399 | goto out; |
1400 | ||
b3821cc5 GFT |
1401 | max = jme->tx_ring_size - atomic_read(&txring->nr_free); |
1402 | mask = jme->tx_ring_mask; | |
3bf61c55 | 1403 | |
cd0ff491 | 1404 | for (i = atomic_read(&txring->next_to_clean) ; cnt < max ; ) { |
3bf61c55 GFT |
1405 | |
1406 | ctxbi = txbi + i; | |
1407 | ||
cd0ff491 | 1408 | if (likely(ctxbi->skb && |
b3821cc5 | 1409 | !(txdesc[i].descwb.flags & TXWBFLAG_OWN))) { |
8c198884 | 1410 | |
cd0ff491 GFT |
1411 | tx_dbg(jme, "txclean: %d+%d@%lu\n", |
1412 | i, ctxbi->nr_desc, jiffies); | |
3bf61c55 | 1413 | |
cd0ff491 | 1414 | err = txdesc[i].descwb.flags & TXWBFLAG_ALLERR; |
3bf61c55 | 1415 | |
cd0ff491 | 1416 | for (j = 1 ; j < ctxbi->nr_desc ; ++j) { |
b3821cc5 GFT |
1417 | ttxbi = txbi + ((i + j) & (mask)); |
1418 | txdesc[(i + j) & (mask)].dw[0] = 0; | |
3bf61c55 | 1419 | |
b3821cc5 | 1420 | pci_unmap_page(jme->pdev, |
3bf61c55 GFT |
1421 | ttxbi->mapping, |
1422 | ttxbi->len, | |
1423 | PCI_DMA_TODEVICE); | |
1424 | ||
3bf61c55 GFT |
1425 | ttxbi->mapping = 0; |
1426 | ttxbi->len = 0; | |
1427 | } | |
1428 | ||
1429 | dev_kfree_skb(ctxbi->skb); | |
3bf61c55 GFT |
1430 | |
1431 | cnt += ctxbi->nr_desc; | |
1432 | ||
cd0ff491 | 1433 | if (unlikely(err)) { |
8c198884 | 1434 | ++(NET_STAT(jme).tx_carrier_errors); |
cd0ff491 | 1435 | } else { |
8c198884 | 1436 | ++(NET_STAT(jme).tx_packets); |
b3821cc5 GFT |
1437 | NET_STAT(jme).tx_bytes += ctxbi->len; |
1438 | } | |
1439 | ||
1440 | ctxbi->skb = NULL; | |
1441 | ctxbi->len = 0; | |
cdcdc9eb | 1442 | ctxbi->start_xmit = 0; |
cd0ff491 GFT |
1443 | |
1444 | } else { | |
3bf61c55 GFT |
1445 | break; |
1446 | } | |
1447 | ||
b3821cc5 | 1448 | i = (i + ctxbi->nr_desc) & mask; |
3bf61c55 GFT |
1449 | |
1450 | ctxbi->nr_desc = 0; | |
d7699f87 GFT |
1451 | } |
1452 | ||
cd0ff491 | 1453 | tx_dbg(jme, "txclean: done %d@%lu.\n", i, jiffies); |
cdcdc9eb | 1454 | atomic_set(&txring->next_to_clean, i); |
79ce639c | 1455 | atomic_add(cnt, &txring->nr_free); |
3bf61c55 | 1456 | |
b3821cc5 GFT |
1457 | jme_wake_queue_if_stopped(jme); |
1458 | ||
fcf45b4c GFT |
1459 | out: |
1460 | atomic_inc(&jme->tx_cleaning); | |
d7699f87 GFT |
1461 | } |
1462 | ||
79ce639c | 1463 | static void |
cd0ff491 | 1464 | jme_intr_msi(struct jme_adapter *jme, u32 intrstat) |
d7699f87 | 1465 | { |
3bf61c55 GFT |
1466 | /* |
1467 | * Disable interrupt | |
1468 | */ | |
1469 | jwrite32f(jme, JME_IENC, INTR_ENABLE); | |
d7699f87 | 1470 | |
cd0ff491 | 1471 | if (intrstat & (INTR_LINKCH | INTR_SWINTR)) { |
47220951 GFT |
1472 | /* |
1473 | * Link change event is critical | |
1474 | * all other events are ignored | |
1475 | */ | |
1476 | jwrite32(jme, JME_IEVE, intrstat); | |
3bf61c55 | 1477 | tasklet_schedule(&jme->linkch_task); |
29bdd921 | 1478 | goto out_reenable; |
fcf45b4c | 1479 | } |
d7699f87 | 1480 | |
cd0ff491 | 1481 | if (intrstat & INTR_TMINTR) { |
47220951 | 1482 | jwrite32(jme, JME_IEVE, INTR_TMINTR); |
79ce639c | 1483 | tasklet_schedule(&jme->pcc_task); |
47220951 | 1484 | } |
79ce639c | 1485 | |
cd0ff491 | 1486 | if (intrstat & (INTR_PCCTXTO | INTR_PCCTX)) { |
47220951 | 1487 | jwrite32(jme, JME_IEVE, INTR_PCCTXTO | INTR_PCCTX | INTR_TX0); |
4330c2f2 | 1488 | tasklet_schedule(&jme->txclean_task); |
47220951 GFT |
1489 | } |
1490 | ||
cd0ff491 | 1491 | if ((intrstat & (INTR_PCCRX0TO | INTR_PCCRX0 | INTR_RX0EMP))) { |
47220951 GFT |
1492 | jwrite32(jme, JME_IEVE, (intrstat & (INTR_PCCRX0TO | |
1493 | INTR_PCCRX0 | | |
1494 | INTR_RX0EMP)) | | |
1495 | INTR_RX0); | |
1496 | } | |
d7699f87 | 1497 | |
cd0ff491 GFT |
1498 | if (test_bit(JME_FLAG_POLL, &jme->flags)) { |
1499 | if (intrstat & INTR_RX0EMP) | |
192570e0 GFT |
1500 | atomic_inc(&jme->rx_empty); |
1501 | ||
cd0ff491 GFT |
1502 | if ((intrstat & (INTR_PCCRX0TO | INTR_PCCRX0 | INTR_RX0EMP))) { |
1503 | if (likely(JME_RX_SCHEDULE_PREP(jme))) { | |
192570e0 | 1504 | jme_polling_mode(jme); |
cdcdc9eb | 1505 | JME_RX_SCHEDULE(jme); |
192570e0 GFT |
1506 | } |
1507 | } | |
cd0ff491 GFT |
1508 | } else { |
1509 | if (intrstat & INTR_RX0EMP) { | |
cdcdc9eb | 1510 | atomic_inc(&jme->rx_empty); |
cd0ff491 GFT |
1511 | tasklet_hi_schedule(&jme->rxempty_task); |
1512 | } else if (intrstat & (INTR_PCCRX0TO | INTR_PCCRX0)) { | |
1513 | tasklet_hi_schedule(&jme->rxclean_task); | |
cdcdc9eb | 1514 | } |
4330c2f2 | 1515 | } |
d7699f87 | 1516 | |
29bdd921 | 1517 | out_reenable: |
3bf61c55 | 1518 | /* |
fcf45b4c | 1519 | * Re-enable interrupt |
3bf61c55 | 1520 | */ |
fcf45b4c | 1521 | jwrite32f(jme, JME_IENS, INTR_ENABLE); |
79ce639c GFT |
1522 | } |
1523 | ||
3b70a6fa GFT |
1524 | #if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,18) |
1525 | static irqreturn_t | |
1526 | jme_intr(int irq, void *dev_id, struct pt_regs *regs) | |
1527 | #else | |
79ce639c GFT |
1528 | static irqreturn_t |
1529 | jme_intr(int irq, void *dev_id) | |
3b70a6fa | 1530 | #endif |
79ce639c | 1531 | { |
cd0ff491 GFT |
1532 | struct net_device *netdev = dev_id; |
1533 | struct jme_adapter *jme = netdev_priv(netdev); | |
1534 | u32 intrstat; | |
79ce639c GFT |
1535 | |
1536 | intrstat = jread32(jme, JME_IEVE); | |
1537 | ||
1538 | /* | |
1539 | * Check if it's really an interrupt for us | |
1540 | */ | |
7ee473a3 | 1541 | if (unlikely((intrstat & INTR_ENABLE) == 0)) |
29bdd921 | 1542 | return IRQ_NONE; |
79ce639c GFT |
1543 | |
1544 | /* | |
1545 | * Check if the device still exist | |
1546 | */ | |
cd0ff491 GFT |
1547 | if (unlikely(intrstat == ~((typeof(intrstat))0))) |
1548 | return IRQ_NONE; | |
79ce639c GFT |
1549 | |
1550 | jme_intr_msi(jme, intrstat); | |
1551 | ||
cd0ff491 | 1552 | return IRQ_HANDLED; |
d7699f87 GFT |
1553 | } |
1554 | ||
3b70a6fa GFT |
1555 | #if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,18) |
1556 | static irqreturn_t | |
1557 | jme_msi(int irq, void *dev_id, struct pt_regs *regs) | |
1558 | #else | |
79ce639c GFT |
1559 | static irqreturn_t |
1560 | jme_msi(int irq, void *dev_id) | |
3b70a6fa | 1561 | #endif |
79ce639c | 1562 | { |
cd0ff491 GFT |
1563 | struct net_device *netdev = dev_id; |
1564 | struct jme_adapter *jme = netdev_priv(netdev); | |
1565 | u32 intrstat; | |
79ce639c | 1566 | |
0ede469c | 1567 | intrstat = jread32(jme, JME_IEVE); |
79ce639c GFT |
1568 | |
1569 | jme_intr_msi(jme, intrstat); | |
1570 | ||
cd0ff491 | 1571 | return IRQ_HANDLED; |
79ce639c GFT |
1572 | } |
1573 | ||
79ce639c GFT |
1574 | static void |
1575 | jme_reset_link(struct jme_adapter *jme) | |
1576 | { | |
1577 | jwrite32(jme, JME_TMCSR, TMCSR_SWIT); | |
1578 | } | |
1579 | ||
fcf45b4c GFT |
1580 | static void |
1581 | jme_restart_an(struct jme_adapter *jme) | |
1582 | { | |
cd0ff491 | 1583 | u32 bmcr; |
fcf45b4c | 1584 | |
cd0ff491 | 1585 | spin_lock_bh(&jme->phy_lock); |
fcf45b4c GFT |
1586 | bmcr = jme_mdio_read(jme->dev, jme->mii_if.phy_id, MII_BMCR); |
1587 | bmcr |= (BMCR_ANENABLE | BMCR_ANRESTART); | |
1588 | jme_mdio_write(jme->dev, jme->mii_if.phy_id, MII_BMCR, bmcr); | |
cd0ff491 | 1589 | spin_unlock_bh(&jme->phy_lock); |
79ce639c GFT |
1590 | } |
1591 | ||
1592 | static int | |
1593 | jme_request_irq(struct jme_adapter *jme) | |
1594 | { | |
1595 | int rc; | |
cd0ff491 | 1596 | struct net_device *netdev = jme->dev; |
3b70a6fa GFT |
1597 | #if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,18) |
1598 | irqreturn_t (*handler)(int, void *, struct pt_regs *) = jme_intr; | |
1599 | int irq_flags = SA_SHIRQ; | |
1600 | #else | |
cd0ff491 GFT |
1601 | irq_handler_t handler = jme_intr; |
1602 | int irq_flags = IRQF_SHARED; | |
3b70a6fa | 1603 | #endif |
cd0ff491 GFT |
1604 | |
1605 | if (!pci_enable_msi(jme->pdev)) { | |
1606 | set_bit(JME_FLAG_MSI, &jme->flags); | |
1607 | handler = jme_msi; | |
1608 | irq_flags = 0; | |
1609 | } | |
1610 | ||
1611 | rc = request_irq(jme->pdev->irq, handler, irq_flags, netdev->name, | |
1612 | netdev); | |
1613 | if (rc) { | |
1614 | jeprintk(jme->pdev, | |
b3821cc5 | 1615 | "Unable to request %s interrupt (return: %d)\n", |
cd0ff491 GFT |
1616 | test_bit(JME_FLAG_MSI, &jme->flags) ? "MSI" : "INTx", |
1617 | rc); | |
79ce639c | 1618 | |
cd0ff491 GFT |
1619 | if (test_bit(JME_FLAG_MSI, &jme->flags)) { |
1620 | pci_disable_msi(jme->pdev); | |
1621 | clear_bit(JME_FLAG_MSI, &jme->flags); | |
79ce639c | 1622 | } |
cd0ff491 | 1623 | } else { |
79ce639c GFT |
1624 | netdev->irq = jme->pdev->irq; |
1625 | } | |
1626 | ||
cd0ff491 | 1627 | return rc; |
79ce639c GFT |
1628 | } |
1629 | ||
1630 | static void | |
1631 | jme_free_irq(struct jme_adapter *jme) | |
1632 | { | |
cd0ff491 GFT |
1633 | free_irq(jme->pdev->irq, jme->dev); |
1634 | if (test_bit(JME_FLAG_MSI, &jme->flags)) { | |
1635 | pci_disable_msi(jme->pdev); | |
1636 | clear_bit(JME_FLAG_MSI, &jme->flags); | |
79ce639c | 1637 | jme->dev->irq = jme->pdev->irq; |
cd0ff491 | 1638 | } |
fcf45b4c GFT |
1639 | } |
1640 | ||
3bf61c55 GFT |
1641 | static int |
1642 | jme_open(struct net_device *netdev) | |
d7699f87 GFT |
1643 | { |
1644 | struct jme_adapter *jme = netdev_priv(netdev); | |
cd0ff491 | 1645 | int rc; |
79ce639c | 1646 | |
42b1055e | 1647 | jme_clear_pm(jme); |
cdcdc9eb | 1648 | JME_NAPI_ENABLE(jme); |
d7699f87 | 1649 | |
0ede469c | 1650 | tasklet_enable(&jme->linkch_task); |
cd0ff491 GFT |
1651 | tasklet_enable(&jme->txclean_task); |
1652 | tasklet_hi_enable(&jme->rxclean_task); | |
1653 | tasklet_hi_enable(&jme->rxempty_task); | |
1654 | ||
79ce639c | 1655 | rc = jme_request_irq(jme); |
cd0ff491 | 1656 | if (rc) |
4330c2f2 | 1657 | goto err_out; |
79ce639c | 1658 | |
d7699f87 | 1659 | jme_start_irq(jme); |
42b1055e | 1660 | |
cd0ff491 | 1661 | if (test_bit(JME_FLAG_SSET, &jme->flags)) |
42b1055e GFT |
1662 | jme_set_settings(netdev, &jme->old_ecmd); |
1663 | else | |
1664 | jme_reset_phy_processor(jme); | |
1665 | ||
29bdd921 | 1666 | jme_reset_link(jme); |
d7699f87 GFT |
1667 | |
1668 | return 0; | |
1669 | ||
d7699f87 GFT |
1670 | err_out: |
1671 | netif_stop_queue(netdev); | |
1672 | netif_carrier_off(netdev); | |
4330c2f2 | 1673 | return rc; |
d7699f87 GFT |
1674 | } |
1675 | ||
7ee473a3 | 1676 | #ifdef CONFIG_PM |
42b1055e GFT |
1677 | static void |
1678 | jme_set_100m_half(struct jme_adapter *jme) | |
1679 | { | |
cd0ff491 | 1680 | u32 bmcr, tmp; |
42b1055e GFT |
1681 | |
1682 | bmcr = jme_mdio_read(jme->dev, jme->mii_if.phy_id, MII_BMCR); | |
1683 | tmp = bmcr & ~(BMCR_ANENABLE | BMCR_SPEED100 | | |
1684 | BMCR_SPEED1000 | BMCR_FULLDPLX); | |
1685 | tmp |= BMCR_SPEED100; | |
1686 | ||
1687 | if (bmcr != tmp) | |
1688 | jme_mdio_write(jme->dev, jme->mii_if.phy_id, MII_BMCR, tmp); | |
1689 | ||
cd0ff491 | 1690 | if (jme->fpgaver) |
cdcdc9eb GFT |
1691 | jwrite32(jme, JME_GHC, GHC_SPEED_100M | GHC_LINK_POLL); |
1692 | else | |
1693 | jwrite32(jme, JME_GHC, GHC_SPEED_100M); | |
42b1055e GFT |
1694 | } |
1695 | ||
47220951 GFT |
1696 | #define JME_WAIT_LINK_TIME 2000 /* 2000ms */ |
1697 | static void | |
1698 | jme_wait_link(struct jme_adapter *jme) | |
1699 | { | |
cd0ff491 | 1700 | u32 phylink, to = JME_WAIT_LINK_TIME; |
47220951 GFT |
1701 | |
1702 | mdelay(1000); | |
1703 | phylink = jme_linkstat_from_phy(jme); | |
cd0ff491 | 1704 | while (!(phylink & PHY_LINK_UP) && (to -= 10) > 0) { |
47220951 GFT |
1705 | mdelay(10); |
1706 | phylink = jme_linkstat_from_phy(jme); | |
1707 | } | |
1708 | } | |
7ee473a3 | 1709 | #endif |
47220951 | 1710 | |
cd0ff491 | 1711 | static inline void |
42b1055e GFT |
1712 | jme_phy_off(struct jme_adapter *jme) |
1713 | { | |
1714 | jme_mdio_write(jme->dev, jme->mii_if.phy_id, MII_BMCR, BMCR_PDOWN); | |
1715 | } | |
1716 | ||
3bf61c55 GFT |
1717 | static int |
1718 | jme_close(struct net_device *netdev) | |
d7699f87 GFT |
1719 | { |
1720 | struct jme_adapter *jme = netdev_priv(netdev); | |
1721 | ||
1722 | netif_stop_queue(netdev); | |
1723 | netif_carrier_off(netdev); | |
1724 | ||
1725 | jme_stop_irq(jme); | |
79ce639c | 1726 | jme_free_irq(jme); |
d7699f87 | 1727 | |
cdcdc9eb | 1728 | JME_NAPI_DISABLE(jme); |
192570e0 | 1729 | |
0ede469c GFT |
1730 | tasklet_disable(&jme->linkch_task); |
1731 | tasklet_disable(&jme->txclean_task); | |
1732 | tasklet_disable(&jme->rxclean_task); | |
1733 | tasklet_disable(&jme->rxempty_task); | |
8c198884 | 1734 | |
cd0ff491 GFT |
1735 | jme_reset_ghc_speed(jme); |
1736 | jme_disable_rx_engine(jme); | |
1737 | jme_disable_tx_engine(jme); | |
8c198884 | 1738 | jme_reset_mac_processor(jme); |
d7699f87 GFT |
1739 | jme_free_rx_resources(jme); |
1740 | jme_free_tx_resources(jme); | |
42b1055e | 1741 | jme->phylink = 0; |
b3821cc5 GFT |
1742 | jme_phy_off(jme); |
1743 | ||
1744 | return 0; | |
1745 | } | |
1746 | ||
1747 | static int | |
1748 | jme_alloc_txdesc(struct jme_adapter *jme, | |
1749 | struct sk_buff *skb) | |
1750 | { | |
0ede469c | 1751 | struct jme_ring *txring = &(jme->txring[0]); |
b3821cc5 GFT |
1752 | int idx, nr_alloc, mask = jme->tx_ring_mask; |
1753 | ||
1754 | idx = txring->next_to_use; | |
1755 | nr_alloc = skb_shinfo(skb)->nr_frags + 2; | |
1756 | ||
cd0ff491 | 1757 | if (unlikely(atomic_read(&txring->nr_free) < nr_alloc)) |
b3821cc5 GFT |
1758 | return -1; |
1759 | ||
1760 | atomic_sub(nr_alloc, &txring->nr_free); | |
42b1055e | 1761 | |
b3821cc5 GFT |
1762 | txring->next_to_use = (txring->next_to_use + nr_alloc) & mask; |
1763 | ||
1764 | return idx; | |
1765 | } | |
1766 | ||
1767 | static void | |
1768 | jme_fill_tx_map(struct pci_dev *pdev, | |
cd0ff491 | 1769 | struct txdesc *txdesc, |
b3821cc5 GFT |
1770 | struct jme_buffer_info *txbi, |
1771 | struct page *page, | |
cd0ff491 GFT |
1772 | u32 page_offset, |
1773 | u32 len, | |
1774 | u8 hidma) | |
b3821cc5 GFT |
1775 | { |
1776 | dma_addr_t dmaaddr; | |
1777 | ||
1778 | dmaaddr = pci_map_page(pdev, | |
1779 | page, | |
1780 | page_offset, | |
1781 | len, | |
1782 | PCI_DMA_TODEVICE); | |
1783 | ||
1784 | pci_dma_sync_single_for_device(pdev, | |
1785 | dmaaddr, | |
1786 | len, | |
1787 | PCI_DMA_TODEVICE); | |
1788 | ||
1789 | txdesc->dw[0] = 0; | |
1790 | txdesc->dw[1] = 0; | |
1791 | txdesc->desc2.flags = TXFLAG_OWN; | |
cd0ff491 | 1792 | txdesc->desc2.flags |= (hidma) ? TXFLAG_64BIT : 0; |
b3821cc5 GFT |
1793 | txdesc->desc2.datalen = cpu_to_le16(len); |
1794 | txdesc->desc2.bufaddrh = cpu_to_le32((__u64)dmaaddr >> 32); | |
1795 | txdesc->desc2.bufaddrl = cpu_to_le32( | |
1796 | (__u64)dmaaddr & 0xFFFFFFFFUL); | |
1797 | ||
1798 | txbi->mapping = dmaaddr; | |
1799 | txbi->len = len; | |
1800 | } | |
1801 | ||
1802 | static void | |
1803 | jme_map_tx_skb(struct jme_adapter *jme, struct sk_buff *skb, int idx) | |
1804 | { | |
0ede469c | 1805 | struct jme_ring *txring = &(jme->txring[0]); |
cd0ff491 | 1806 | struct txdesc *txdesc = txring->desc, *ctxdesc; |
b3821cc5 | 1807 | struct jme_buffer_info *txbi = txring->bufinf, *ctxbi; |
cd0ff491 | 1808 | u8 hidma = jme->dev->features & NETIF_F_HIGHDMA; |
b3821cc5 GFT |
1809 | int i, nr_frags = skb_shinfo(skb)->nr_frags; |
1810 | int mask = jme->tx_ring_mask; | |
1811 | struct skb_frag_struct *frag; | |
cd0ff491 | 1812 | u32 len; |
b3821cc5 | 1813 | |
cd0ff491 GFT |
1814 | for (i = 0 ; i < nr_frags ; ++i) { |
1815 | frag = &skb_shinfo(skb)->frags[i]; | |
b3821cc5 GFT |
1816 | ctxdesc = txdesc + ((idx + i + 2) & (mask)); |
1817 | ctxbi = txbi + ((idx + i + 2) & (mask)); | |
1818 | ||
1819 | jme_fill_tx_map(jme->pdev, ctxdesc, ctxbi, frag->page, | |
1820 | frag->page_offset, frag->size, hidma); | |
42b1055e | 1821 | } |
b3821cc5 | 1822 | |
cd0ff491 | 1823 | len = skb_is_nonlinear(skb) ? skb_headlen(skb) : skb->len; |
b3821cc5 GFT |
1824 | ctxdesc = txdesc + ((idx + 1) & (mask)); |
1825 | ctxbi = txbi + ((idx + 1) & (mask)); | |
1826 | jme_fill_tx_map(jme->pdev, ctxdesc, ctxbi, virt_to_page(skb->data), | |
1827 | offset_in_page(skb->data), len, hidma); | |
1828 | ||
1829 | } | |
1830 | ||
1831 | static int | |
1832 | jme_expand_header(struct jme_adapter *jme, struct sk_buff *skb) | |
1833 | { | |
3b70a6fa | 1834 | if (unlikely( |
0ede469c | 1835 | #if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,17) |
3b70a6fa GFT |
1836 | skb_shinfo(skb)->tso_size |
1837 | #else | |
1838 | skb_shinfo(skb)->gso_size | |
1839 | #endif | |
1840 | && skb_header_cloned(skb) && | |
b3821cc5 GFT |
1841 | pskb_expand_head(skb, 0, 0, GFP_ATOMIC))) { |
1842 | dev_kfree_skb(skb); | |
1843 | return -1; | |
1844 | } | |
1845 | ||
1846 | return 0; | |
1847 | } | |
1848 | ||
1849 | static int | |
3b70a6fa | 1850 | jme_tx_tso(struct sk_buff *skb, __le16 *mss, u8 *flags) |
b3821cc5 | 1851 | { |
0ede469c | 1852 | #if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,17) |
3b70a6fa GFT |
1853 | *mss = cpu_to_le16(skb_shinfo(skb)->tso_size << TXDESC_MSS_SHIFT); |
1854 | #else | |
1855 | *mss = cpu_to_le16(skb_shinfo(skb)->gso_size << TXDESC_MSS_SHIFT); | |
1856 | #endif | |
cd0ff491 | 1857 | if (*mss) { |
b3821cc5 GFT |
1858 | *flags |= TXFLAG_LSEN; |
1859 | ||
cd0ff491 | 1860 | if (skb->protocol == htons(ETH_P_IP)) { |
b3821cc5 GFT |
1861 | struct iphdr *iph = ip_hdr(skb); |
1862 | ||
1863 | iph->check = 0; | |
cd0ff491 | 1864 | tcp_hdr(skb)->check = ~csum_tcpudp_magic(iph->saddr, |
b3821cc5 GFT |
1865 | iph->daddr, 0, |
1866 | IPPROTO_TCP, | |
1867 | 0); | |
cd0ff491 | 1868 | } else { |
b3821cc5 GFT |
1869 | struct ipv6hdr *ip6h = ipv6_hdr(skb); |
1870 | ||
cd0ff491 | 1871 | tcp_hdr(skb)->check = ~csum_ipv6_magic(&ip6h->saddr, |
b3821cc5 GFT |
1872 | &ip6h->daddr, 0, |
1873 | IPPROTO_TCP, | |
1874 | 0); | |
1875 | } | |
1876 | ||
1877 | return 0; | |
1878 | } | |
1879 | ||
1880 | return 1; | |
1881 | } | |
1882 | ||
1883 | static void | |
cd0ff491 | 1884 | jme_tx_csum(struct jme_adapter *jme, struct sk_buff *skb, u8 *flags) |
b3821cc5 | 1885 | { |
3b70a6fa GFT |
1886 | #ifdef CHECKSUM_PARTIAL |
1887 | if (skb->ip_summed == CHECKSUM_PARTIAL) | |
1888 | #else | |
1889 | if (skb->ip_summed == CHECKSUM_HW) | |
1890 | #endif | |
1891 | { | |
cd0ff491 | 1892 | u8 ip_proto; |
b3821cc5 | 1893 | |
3b70a6fa GFT |
1894 | #if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,21) |
1895 | if (skb->protocol == htons(ETH_P_IP)) | |
1896 | ip_proto = ip_hdr(skb)->protocol; | |
1897 | else if (skb->protocol == htons(ETH_P_IPV6)) | |
1898 | ip_proto = ipv6_hdr(skb)->nexthdr; | |
1899 | else | |
1900 | ip_proto = 0; | |
1901 | #else | |
b3821cc5 | 1902 | switch (skb->protocol) { |
cd0ff491 | 1903 | case htons(ETH_P_IP): |
b3821cc5 GFT |
1904 | ip_proto = ip_hdr(skb)->protocol; |
1905 | break; | |
cd0ff491 | 1906 | case htons(ETH_P_IPV6): |
b3821cc5 GFT |
1907 | ip_proto = ipv6_hdr(skb)->nexthdr; |
1908 | break; | |
1909 | default: | |
1910 | ip_proto = 0; | |
1911 | break; | |
1912 | } | |
3b70a6fa | 1913 | #endif |
b3821cc5 | 1914 | |
cd0ff491 | 1915 | switch (ip_proto) { |
b3821cc5 GFT |
1916 | case IPPROTO_TCP: |
1917 | *flags |= TXFLAG_TCPCS; | |
1918 | break; | |
1919 | case IPPROTO_UDP: | |
1920 | *flags |= TXFLAG_UDPCS; | |
1921 | break; | |
1922 | default: | |
7ca9ebee | 1923 | #if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,33) |
cd0ff491 | 1924 | msg_tx_err(jme, "Error upper layer protocol.\n"); |
7ca9ebee GFT |
1925 | #else |
1926 | netif_err(jme, tx_err, jme->dev, "Error upper layer protocol.\n"); | |
1927 | #endif | |
b3821cc5 GFT |
1928 | break; |
1929 | } | |
1930 | } | |
1931 | } | |
1932 | ||
cd0ff491 | 1933 | static inline void |
3b70a6fa | 1934 | jme_tx_vlan(struct sk_buff *skb, __le16 *vlan, u8 *flags) |
b3821cc5 | 1935 | { |
cd0ff491 | 1936 | if (vlan_tx_tag_present(skb)) { |
b3821cc5 | 1937 | *flags |= TXFLAG_TAGON; |
3b70a6fa | 1938 | *vlan = cpu_to_le16(vlan_tx_tag_get(skb)); |
42b1055e | 1939 | } |
b3821cc5 GFT |
1940 | } |
1941 | ||
1942 | static int | |
3b70a6fa | 1943 | jme_fill_tx_desc(struct jme_adapter *jme, struct sk_buff *skb, int idx) |
b3821cc5 | 1944 | { |
0ede469c | 1945 | struct jme_ring *txring = &(jme->txring[0]); |
cd0ff491 | 1946 | struct txdesc *txdesc; |
b3821cc5 | 1947 | struct jme_buffer_info *txbi; |
cd0ff491 | 1948 | u8 flags; |
b3821cc5 | 1949 | |
cd0ff491 | 1950 | txdesc = (struct txdesc *)txring->desc + idx; |
b3821cc5 GFT |
1951 | txbi = txring->bufinf + idx; |
1952 | ||
1953 | txdesc->dw[0] = 0; | |
1954 | txdesc->dw[1] = 0; | |
1955 | txdesc->dw[2] = 0; | |
1956 | txdesc->dw[3] = 0; | |
1957 | txdesc->desc1.pktsize = cpu_to_le16(skb->len); | |
1958 | /* | |
1959 | * Set OWN bit at final. | |
1960 | * When kernel transmit faster than NIC. | |
1961 | * And NIC trying to send this descriptor before we tell | |
1962 | * it to start sending this TX queue. | |
1963 | * Other fields are already filled correctly. | |
1964 | */ | |
1965 | wmb(); | |
1966 | flags = TXFLAG_OWN | TXFLAG_INT; | |
cd0ff491 GFT |
1967 | /* |
1968 | * Set checksum flags while not tso | |
1969 | */ | |
1970 | if (jme_tx_tso(skb, &txdesc->desc1.mss, &flags)) | |
1971 | jme_tx_csum(jme, skb, &flags); | |
b3821cc5 | 1972 | jme_tx_vlan(skb, &txdesc->desc1.vlan, &flags); |
3b70a6fa | 1973 | jme_map_tx_skb(jme, skb, idx); |
b3821cc5 GFT |
1974 | txdesc->desc1.flags = flags; |
1975 | /* | |
1976 | * Set tx buffer info after telling NIC to send | |
1977 | * For better tx_clean timing | |
1978 | */ | |
1979 | wmb(); | |
1980 | txbi->nr_desc = skb_shinfo(skb)->nr_frags + 2; | |
1981 | txbi->skb = skb; | |
1982 | txbi->len = skb->len; | |
cd0ff491 GFT |
1983 | txbi->start_xmit = jiffies; |
1984 | if (!txbi->start_xmit) | |
8d27293f | 1985 | txbi->start_xmit = (0UL-1); |
d7699f87 GFT |
1986 | |
1987 | return 0; | |
1988 | } | |
1989 | ||
b3821cc5 GFT |
1990 | static void |
1991 | jme_stop_queue_if_full(struct jme_adapter *jme) | |
1992 | { | |
0ede469c | 1993 | struct jme_ring *txring = &(jme->txring[0]); |
cd0ff491 GFT |
1994 | struct jme_buffer_info *txbi = txring->bufinf; |
1995 | int idx = atomic_read(&txring->next_to_clean); | |
cdcdc9eb | 1996 | |
cd0ff491 | 1997 | txbi += idx; |
b3821cc5 GFT |
1998 | |
1999 | smp_wmb(); | |
cd0ff491 | 2000 | if (unlikely(atomic_read(&txring->nr_free) < (MAX_SKB_FRAGS+2))) { |
b3821cc5 | 2001 | netif_stop_queue(jme->dev); |
7ca9ebee | 2002 | #if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,33) |
cd0ff491 | 2003 | msg_tx_queued(jme, "TX Queue Paused.\n"); |
7ca9ebee GFT |
2004 | #else |
2005 | netif_info(jme, tx_queued, jme->dev, "TX Queue Paused.\n"); | |
2006 | #endif | |
b3821cc5 | 2007 | smp_wmb(); |
cd0ff491 GFT |
2008 | if (atomic_read(&txring->nr_free) |
2009 | >= (jme->tx_wake_threshold)) { | |
b3821cc5 | 2010 | netif_wake_queue(jme->dev); |
7ca9ebee | 2011 | #if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,33) |
cd0ff491 | 2012 | msg_tx_queued(jme, "TX Queue Fast Waked.\n"); |
7ca9ebee GFT |
2013 | #else |
2014 | netif_info(jme, tx_queued, jme->dev, "TX Queue Fast Waked.\n"); | |
2015 | #endif | |
b3821cc5 GFT |
2016 | } |
2017 | } | |
2018 | ||
cd0ff491 | 2019 | if (unlikely(txbi->start_xmit && |
cdcdc9eb GFT |
2020 | (jiffies - txbi->start_xmit) >= TX_TIMEOUT && |
2021 | txbi->skb)) { | |
2022 | netif_stop_queue(jme->dev); | |
7ca9ebee | 2023 | #if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,33) |
cd0ff491 | 2024 | msg_tx_queued(jme, "TX Queue Stopped %d@%lu.\n", idx, jiffies); |
7ca9ebee GFT |
2025 | #else |
2026 | netif_info(jme, tx_queued, jme->dev, "TX Queue Stopped %d@%lu.\n", idx, jiffies); | |
2027 | #endif | |
cdcdc9eb | 2028 | } |
b3821cc5 GFT |
2029 | } |
2030 | ||
3bf61c55 GFT |
2031 | /* |
2032 | * This function is already protected by netif_tx_lock() | |
2033 | */ | |
cd0ff491 | 2034 | |
7ca9ebee | 2035 | #if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,31) |
3bf61c55 | 2036 | static int |
7ca9ebee GFT |
2037 | #else |
2038 | static netdev_tx_t | |
2039 | #endif | |
3bf61c55 | 2040 | jme_start_xmit(struct sk_buff *skb, struct net_device *netdev) |
d7699f87 | 2041 | { |
cd0ff491 | 2042 | struct jme_adapter *jme = netdev_priv(netdev); |
b3821cc5 | 2043 | int idx; |
d7699f87 | 2044 | |
cd0ff491 | 2045 | if (unlikely(jme_expand_header(jme, skb))) { |
b3821cc5 GFT |
2046 | ++(NET_STAT(jme).tx_dropped); |
2047 | return NETDEV_TX_OK; | |
2048 | } | |
2049 | ||
2050 | idx = jme_alloc_txdesc(jme, skb); | |
79ce639c | 2051 | |
cd0ff491 | 2052 | if (unlikely(idx < 0)) { |
b3821cc5 | 2053 | netif_stop_queue(netdev); |
7ca9ebee | 2054 | #if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,33) |
cd0ff491 | 2055 | msg_tx_err(jme, "BUG! Tx ring full when queue awake!\n"); |
7ca9ebee GFT |
2056 | #else |
2057 | netif_err(jme, tx_err, jme->dev, "BUG! Tx ring full when queue awake!\n"); | |
2058 | #endif | |
d7699f87 | 2059 | |
cd0ff491 | 2060 | return NETDEV_TX_BUSY; |
b3821cc5 GFT |
2061 | } |
2062 | ||
3b70a6fa | 2063 | jme_fill_tx_desc(jme, skb, idx); |
b3821cc5 | 2064 | |
4330c2f2 GFT |
2065 | jwrite32(jme, JME_TXCS, jme->reg_txcs | |
2066 | TXCS_SELECT_QUEUE0 | | |
2067 | TXCS_QUEUE0S | | |
2068 | TXCS_ENABLE); | |
0ede469c | 2069 | #if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,29) |
d7699f87 | 2070 | netdev->trans_start = jiffies; |
0ede469c | 2071 | #endif |
d7699f87 | 2072 | |
cd0ff491 GFT |
2073 | tx_dbg(jme, "xmit: %d+%d@%lu\n", idx, |
2074 | skb_shinfo(skb)->nr_frags + 2, | |
2075 | jiffies); | |
b3821cc5 GFT |
2076 | jme_stop_queue_if_full(jme); |
2077 | ||
cd0ff491 | 2078 | return NETDEV_TX_OK; |
d7699f87 GFT |
2079 | } |
2080 | ||
3bf61c55 GFT |
2081 | static int |
2082 | jme_set_macaddr(struct net_device *netdev, void *p) | |
d7699f87 | 2083 | { |
cd0ff491 | 2084 | struct jme_adapter *jme = netdev_priv(netdev); |
d7699f87 | 2085 | struct sockaddr *addr = p; |
cd0ff491 | 2086 | u32 val; |
d7699f87 | 2087 | |
cd0ff491 | 2088 | if (netif_running(netdev)) |
d7699f87 GFT |
2089 | return -EBUSY; |
2090 | ||
cd0ff491 | 2091 | spin_lock_bh(&jme->macaddr_lock); |
d7699f87 GFT |
2092 | memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len); |
2093 | ||
186fc259 GFT |
2094 | val = (addr->sa_data[3] & 0xff) << 24 | |
2095 | (addr->sa_data[2] & 0xff) << 16 | | |
2096 | (addr->sa_data[1] & 0xff) << 8 | | |
2097 | (addr->sa_data[0] & 0xff); | |
4330c2f2 | 2098 | jwrite32(jme, JME_RXUMA_LO, val); |
186fc259 GFT |
2099 | val = (addr->sa_data[5] & 0xff) << 8 | |
2100 | (addr->sa_data[4] & 0xff); | |
4330c2f2 | 2101 | jwrite32(jme, JME_RXUMA_HI, val); |
cd0ff491 | 2102 | spin_unlock_bh(&jme->macaddr_lock); |
d7699f87 GFT |
2103 | |
2104 | return 0; | |
2105 | } | |
2106 | ||
3bf61c55 GFT |
2107 | static void |
2108 | jme_set_multi(struct net_device *netdev) | |
d7699f87 | 2109 | { |
3bf61c55 | 2110 | struct jme_adapter *jme = netdev_priv(netdev); |
d7699f87 | 2111 | u32 mc_hash[2] = {}; |
7ca9ebee | 2112 | #if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,33) |
d7699f87 | 2113 | int i; |
7ca9ebee | 2114 | #endif |
d7699f87 | 2115 | |
cd0ff491 | 2116 | spin_lock_bh(&jme->rxmcs_lock); |
8c198884 GFT |
2117 | |
2118 | jme->reg_rxmcs |= RXMCS_BRDFRAME | RXMCS_UNIFRAME; | |
d7699f87 | 2119 | |
cd0ff491 | 2120 | if (netdev->flags & IFF_PROMISC) { |
8c198884 | 2121 | jme->reg_rxmcs |= RXMCS_ALLFRAME; |
cd0ff491 | 2122 | } else if (netdev->flags & IFF_ALLMULTI) { |
8c198884 | 2123 | jme->reg_rxmcs |= RXMCS_ALLMULFRAME; |
cd0ff491 | 2124 | } else if (netdev->flags & IFF_MULTICAST) { |
8e14c278 | 2125 | #if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,34) |
3bf61c55 | 2126 | struct dev_mc_list *mclist; |
8e14c278 JP |
2127 | #else |
2128 | struct netdev_hw_addr *ha; | |
2129 | #endif | |
3bf61c55 | 2130 | int bit_nr; |
d7699f87 | 2131 | |
8c198884 | 2132 | jme->reg_rxmcs |= RXMCS_MULFRAME | RXMCS_MULFILTERED; |
7ca9ebee | 2133 | #if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,33) |
3bf61c55 GFT |
2134 | for (i = 0, mclist = netdev->mc_list; |
2135 | mclist && i < netdev->mc_count; | |
2136 | ++i, mclist = mclist->next) { | |
8e14c278 | 2137 | #elif LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,34) |
7ca9ebee | 2138 | netdev_for_each_mc_addr(mclist, netdev) { |
8e14c278 JP |
2139 | #else |
2140 | netdev_for_each_mc_addr(ha, netdev) { | |
7ca9ebee | 2141 | #endif |
8e14c278 | 2142 | #if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,34) |
cd0ff491 | 2143 | bit_nr = ether_crc(ETH_ALEN, mclist->dmi_addr) & 0x3F; |
8e14c278 JP |
2144 | #else |
2145 | bit_nr = ether_crc(ETH_ALEN, ha->addr) & 0x3F; | |
2146 | #endif | |
cd0ff491 GFT |
2147 | mc_hash[bit_nr >> 5] |= 1 << (bit_nr & 0x1F); |
2148 | } | |
d7699f87 | 2149 | |
4330c2f2 GFT |
2150 | jwrite32(jme, JME_RXMCHT_LO, mc_hash[0]); |
2151 | jwrite32(jme, JME_RXMCHT_HI, mc_hash[1]); | |
d7699f87 GFT |
2152 | } |
2153 | ||
d7699f87 | 2154 | wmb(); |
8c198884 GFT |
2155 | jwrite32(jme, JME_RXMCS, jme->reg_rxmcs); |
2156 | ||
cd0ff491 | 2157 | spin_unlock_bh(&jme->rxmcs_lock); |
d7699f87 GFT |
2158 | } |
2159 | ||
3bf61c55 | 2160 | static int |
8c198884 | 2161 | jme_change_mtu(struct net_device *netdev, int new_mtu) |
d7699f87 | 2162 | { |
cd0ff491 | 2163 | struct jme_adapter *jme = netdev_priv(netdev); |
79ce639c | 2164 | |
cd0ff491 | 2165 | if (new_mtu == jme->old_mtu) |
29bdd921 GFT |
2166 | return 0; |
2167 | ||
cd0ff491 GFT |
2168 | if (((new_mtu + ETH_HLEN) > MAX_ETHERNET_JUMBO_PACKET_SIZE) || |
2169 | ((new_mtu) < IPV6_MIN_MTU)) | |
2170 | return -EINVAL; | |
79ce639c | 2171 | |
cd0ff491 | 2172 | if (new_mtu > 4000) { |
79ce639c GFT |
2173 | jme->reg_rxcs &= ~RXCS_FIFOTHNP; |
2174 | jme->reg_rxcs |= RXCS_FIFOTHNP_64QW; | |
2175 | jme_restart_rx_engine(jme); | |
cd0ff491 | 2176 | } else { |
79ce639c GFT |
2177 | jme->reg_rxcs &= ~RXCS_FIFOTHNP; |
2178 | jme->reg_rxcs |= RXCS_FIFOTHNP_128QW; | |
2179 | jme_restart_rx_engine(jme); | |
2180 | } | |
2181 | ||
cd0ff491 | 2182 | if (new_mtu > 1900) { |
b3821cc5 | 2183 | netdev->features &= ~(NETIF_F_HW_CSUM | |
3b70a6fa GFT |
2184 | NETIF_F_TSO |
2185 | #ifdef NETIF_F_TSO6 | |
2186 | | NETIF_F_TSO6 | |
2187 | #endif | |
2188 | ); | |
cd0ff491 GFT |
2189 | } else { |
2190 | if (test_bit(JME_FLAG_TXCSUM, &jme->flags)) | |
b3821cc5 | 2191 | netdev->features |= NETIF_F_HW_CSUM; |
cd0ff491 | 2192 | if (test_bit(JME_FLAG_TSO, &jme->flags)) |
3b70a6fa GFT |
2193 | netdev->features |= NETIF_F_TSO |
2194 | #ifdef NETIF_F_TSO6 | |
2195 | | NETIF_F_TSO6 | |
2196 | #endif | |
2197 | ; | |
79ce639c GFT |
2198 | } |
2199 | ||
cd0ff491 GFT |
2200 | netdev->mtu = new_mtu; |
2201 | jme_reset_link(jme); | |
79ce639c GFT |
2202 | |
2203 | return 0; | |
d7699f87 GFT |
2204 | } |
2205 | ||
8c198884 GFT |
2206 | static void |
2207 | jme_tx_timeout(struct net_device *netdev) | |
2208 | { | |
cd0ff491 | 2209 | struct jme_adapter *jme = netdev_priv(netdev); |
8c198884 | 2210 | |
cdcdc9eb GFT |
2211 | jme->phylink = 0; |
2212 | jme_reset_phy_processor(jme); | |
cd0ff491 | 2213 | if (test_bit(JME_FLAG_SSET, &jme->flags)) |
cdcdc9eb GFT |
2214 | jme_set_settings(netdev, &jme->old_ecmd); |
2215 | ||
8c198884 | 2216 | /* |
cdcdc9eb | 2217 | * Force to Reset the link again |
8c198884 | 2218 | */ |
29bdd921 | 2219 | jme_reset_link(jme); |
8c198884 GFT |
2220 | } |
2221 | ||
1e5ebebc GFT |
2222 | static inline void jme_pause_rx(struct jme_adapter *jme) |
2223 | { | |
2224 | atomic_dec(&jme->link_changing); | |
2225 | ||
2226 | jme_set_rx_pcc(jme, PCC_OFF); | |
2227 | if (test_bit(JME_FLAG_POLL, &jme->flags)) { | |
2228 | JME_NAPI_DISABLE(jme); | |
2229 | } else { | |
2230 | tasklet_disable(&jme->rxclean_task); | |
2231 | tasklet_disable(&jme->rxempty_task); | |
2232 | } | |
2233 | } | |
2234 | ||
2235 | static inline void jme_resume_rx(struct jme_adapter *jme) | |
2236 | { | |
2237 | struct dynpcc_info *dpi = &(jme->dpi); | |
2238 | ||
2239 | if (test_bit(JME_FLAG_POLL, &jme->flags)) { | |
2240 | JME_NAPI_ENABLE(jme); | |
2241 | } else { | |
2242 | tasklet_hi_enable(&jme->rxclean_task); | |
2243 | tasklet_hi_enable(&jme->rxempty_task); | |
2244 | } | |
2245 | dpi->cur = PCC_P1; | |
2246 | dpi->attempt = PCC_P1; | |
2247 | dpi->cnt = 0; | |
2248 | jme_set_rx_pcc(jme, PCC_P1); | |
2249 | ||
2250 | atomic_inc(&jme->link_changing); | |
2251 | } | |
2252 | ||
42b1055e GFT |
2253 | static void |
2254 | jme_vlan_rx_register(struct net_device *netdev, struct vlan_group *grp) | |
2255 | { | |
2256 | struct jme_adapter *jme = netdev_priv(netdev); | |
2257 | ||
1e5ebebc | 2258 | jme_pause_rx(jme); |
42b1055e | 2259 | jme->vlgrp = grp; |
1e5ebebc | 2260 | jme_resume_rx(jme); |
42b1055e GFT |
2261 | } |
2262 | ||
7ca9ebee GFT |
2263 | #if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,21) |
2264 | static void | |
2265 | jme_vlan_rx_kill_vid(struct net_device *netdev, unsigned short vid) | |
2266 | { | |
2267 | struct jme_adapter *jme = netdev_priv(netdev); | |
2268 | ||
7ca9ebee | 2269 | if(jme->vlgrp) { |
1e5ebebc | 2270 | jme_pause_rx(jme); |
7ca9ebee GFT |
2271 | #if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,20) |
2272 | jme->vlgrp->vlan_devices[vid] = NULL; | |
2273 | #else | |
2274 | vlan_group_set_device(jme->vlgrp, vid, NULL); | |
2275 | #endif | |
1e5ebebc | 2276 | jme_resume_rx(jme); |
7ca9ebee | 2277 | } |
7ca9ebee GFT |
2278 | } |
2279 | #endif | |
2280 | ||
3bf61c55 GFT |
2281 | static void |
2282 | jme_get_drvinfo(struct net_device *netdev, | |
2283 | struct ethtool_drvinfo *info) | |
d7699f87 | 2284 | { |
cd0ff491 | 2285 | struct jme_adapter *jme = netdev_priv(netdev); |
d7699f87 | 2286 | |
cd0ff491 GFT |
2287 | strcpy(info->driver, DRV_NAME); |
2288 | strcpy(info->version, DRV_VERSION); | |
2289 | strcpy(info->bus_info, pci_name(jme->pdev)); | |
d7699f87 GFT |
2290 | } |
2291 | ||
8c198884 GFT |
2292 | static int |
2293 | jme_get_regs_len(struct net_device *netdev) | |
2294 | { | |
cd0ff491 | 2295 | return JME_REG_LEN; |
8c198884 GFT |
2296 | } |
2297 | ||
2298 | static void | |
cd0ff491 | 2299 | mmapio_memcpy(struct jme_adapter *jme, u32 *p, u32 reg, int len) |
8c198884 GFT |
2300 | { |
2301 | int i; | |
2302 | ||
cd0ff491 | 2303 | for (i = 0 ; i < len ; i += 4) |
79ce639c | 2304 | p[i >> 2] = jread32(jme, reg + i); |
186fc259 | 2305 | } |
8c198884 | 2306 | |
186fc259 | 2307 | static void |
cd0ff491 | 2308 | mdio_memcpy(struct jme_adapter *jme, u32 *p, int reg_nr) |
186fc259 GFT |
2309 | { |
2310 | int i; | |
cd0ff491 | 2311 | u16 *p16 = (u16 *)p; |
186fc259 | 2312 | |
cd0ff491 | 2313 | for (i = 0 ; i < reg_nr ; ++i) |
186fc259 | 2314 | p16[i] = jme_mdio_read(jme->dev, jme->mii_if.phy_id, i); |
8c198884 GFT |
2315 | } |
2316 | ||
2317 | static void | |
2318 | jme_get_regs(struct net_device *netdev, struct ethtool_regs *regs, void *p) | |
2319 | { | |
cd0ff491 GFT |
2320 | struct jme_adapter *jme = netdev_priv(netdev); |
2321 | u32 *p32 = (u32 *)p; | |
8c198884 | 2322 | |
186fc259 | 2323 | memset(p, 0xFF, JME_REG_LEN); |
8c198884 GFT |
2324 | |
2325 | regs->version = 1; | |
2326 | mmapio_memcpy(jme, p32, JME_MAC, JME_MAC_LEN); | |
2327 | ||
2328 | p32 += 0x100 >> 2; | |
2329 | mmapio_memcpy(jme, p32, JME_PHY, JME_PHY_LEN); | |
2330 | ||
2331 | p32 += 0x100 >> 2; | |
2332 | mmapio_memcpy(jme, p32, JME_MISC, JME_MISC_LEN); | |
2333 | ||
2334 | p32 += 0x100 >> 2; | |
2335 | mmapio_memcpy(jme, p32, JME_RSS, JME_RSS_LEN); | |
2336 | ||
186fc259 GFT |
2337 | p32 += 0x100 >> 2; |
2338 | mdio_memcpy(jme, p32, JME_PHY_REG_NR); | |
8c198884 GFT |
2339 | } |
2340 | ||
2341 | static int | |
2342 | jme_get_coalesce(struct net_device *netdev, struct ethtool_coalesce *ecmd) | |
2343 | { | |
2344 | struct jme_adapter *jme = netdev_priv(netdev); | |
2345 | ||
8c198884 GFT |
2346 | ecmd->tx_coalesce_usecs = PCC_TX_TO; |
2347 | ecmd->tx_max_coalesced_frames = PCC_TX_CNT; | |
2348 | ||
cd0ff491 | 2349 | if (test_bit(JME_FLAG_POLL, &jme->flags)) { |
cdcdc9eb GFT |
2350 | ecmd->use_adaptive_rx_coalesce = false; |
2351 | ecmd->rx_coalesce_usecs = 0; | |
2352 | ecmd->rx_max_coalesced_frames = 0; | |
2353 | return 0; | |
2354 | } | |
2355 | ||
2356 | ecmd->use_adaptive_rx_coalesce = true; | |
2357 | ||
cd0ff491 | 2358 | switch (jme->dpi.cur) { |
8c198884 GFT |
2359 | case PCC_P1: |
2360 | ecmd->rx_coalesce_usecs = PCC_P1_TO; | |
2361 | ecmd->rx_max_coalesced_frames = PCC_P1_CNT; | |
2362 | break; | |
2363 | case PCC_P2: | |
2364 | ecmd->rx_coalesce_usecs = PCC_P2_TO; | |
2365 | ecmd->rx_max_coalesced_frames = PCC_P2_CNT; | |
2366 | break; | |
2367 | case PCC_P3: | |
2368 | ecmd->rx_coalesce_usecs = PCC_P3_TO; | |
2369 | ecmd->rx_max_coalesced_frames = PCC_P3_CNT; | |
2370 | break; | |
2371 | default: | |
2372 | break; | |
2373 | } | |
2374 | ||
2375 | return 0; | |
2376 | } | |
2377 | ||
192570e0 GFT |
2378 | static int |
2379 | jme_set_coalesce(struct net_device *netdev, struct ethtool_coalesce *ecmd) | |
2380 | { | |
2381 | struct jme_adapter *jme = netdev_priv(netdev); | |
2382 | struct dynpcc_info *dpi = &(jme->dpi); | |
2383 | ||
cd0ff491 | 2384 | if (netif_running(netdev)) |
cdcdc9eb GFT |
2385 | return -EBUSY; |
2386 | ||
7ca9ebee GFT |
2387 | if (ecmd->use_adaptive_rx_coalesce && |
2388 | test_bit(JME_FLAG_POLL, &jme->flags)) { | |
cd0ff491 | 2389 | clear_bit(JME_FLAG_POLL, &jme->flags); |
cdcdc9eb GFT |
2390 | jme->jme_rx = netif_rx; |
2391 | jme->jme_vlan_rx = vlan_hwaccel_rx; | |
192570e0 GFT |
2392 | dpi->cur = PCC_P1; |
2393 | dpi->attempt = PCC_P1; | |
2394 | dpi->cnt = 0; | |
2395 | jme_set_rx_pcc(jme, PCC_P1); | |
2396 | jme_interrupt_mode(jme); | |
7ca9ebee GFT |
2397 | } else if (!(ecmd->use_adaptive_rx_coalesce) && |
2398 | !(test_bit(JME_FLAG_POLL, &jme->flags))) { | |
cd0ff491 | 2399 | set_bit(JME_FLAG_POLL, &jme->flags); |
cdcdc9eb GFT |
2400 | jme->jme_rx = netif_receive_skb; |
2401 | jme->jme_vlan_rx = vlan_hwaccel_receive_skb; | |
192570e0 GFT |
2402 | jme_interrupt_mode(jme); |
2403 | } | |
2404 | ||
2405 | return 0; | |
2406 | } | |
2407 | ||
8c198884 GFT |
2408 | static void |
2409 | jme_get_pauseparam(struct net_device *netdev, | |
2410 | struct ethtool_pauseparam *ecmd) | |
2411 | { | |
2412 | struct jme_adapter *jme = netdev_priv(netdev); | |
cd0ff491 | 2413 | u32 val; |
8c198884 GFT |
2414 | |
2415 | ecmd->tx_pause = (jme->reg_txpfc & TXPFC_PF_EN) != 0; | |
2416 | ecmd->rx_pause = (jme->reg_rxmcs & RXMCS_FLOWCTRL) != 0; | |
2417 | ||
cd0ff491 GFT |
2418 | spin_lock_bh(&jme->phy_lock); |
2419 | val = jme_mdio_read(jme->dev, jme->mii_if.phy_id, MII_ADVERTISE); | |
2420 | spin_unlock_bh(&jme->phy_lock); | |
b3821cc5 GFT |
2421 | |
2422 | ecmd->autoneg = | |
2423 | (val & (ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM)) != 0; | |
8c198884 GFT |
2424 | } |
2425 | ||
2426 | static int | |
2427 | jme_set_pauseparam(struct net_device *netdev, | |
2428 | struct ethtool_pauseparam *ecmd) | |
2429 | { | |
2430 | struct jme_adapter *jme = netdev_priv(netdev); | |
cd0ff491 | 2431 | u32 val; |
8c198884 | 2432 | |
cd0ff491 | 2433 | if (((jme->reg_txpfc & TXPFC_PF_EN) != 0) ^ |
8c198884 GFT |
2434 | (ecmd->tx_pause != 0)) { |
2435 | ||
cd0ff491 | 2436 | if (ecmd->tx_pause) |
8c198884 GFT |
2437 | jme->reg_txpfc |= TXPFC_PF_EN; |
2438 | else | |
2439 | jme->reg_txpfc &= ~TXPFC_PF_EN; | |
2440 | ||
2441 | jwrite32(jme, JME_TXPFC, jme->reg_txpfc); | |
2442 | } | |
2443 | ||
cd0ff491 GFT |
2444 | spin_lock_bh(&jme->rxmcs_lock); |
2445 | if (((jme->reg_rxmcs & RXMCS_FLOWCTRL) != 0) ^ | |
8c198884 GFT |
2446 | (ecmd->rx_pause != 0)) { |
2447 | ||
cd0ff491 | 2448 | if (ecmd->rx_pause) |
8c198884 GFT |
2449 | jme->reg_rxmcs |= RXMCS_FLOWCTRL; |
2450 | else | |
2451 | jme->reg_rxmcs &= ~RXMCS_FLOWCTRL; | |
2452 | ||
2453 | jwrite32(jme, JME_RXMCS, jme->reg_rxmcs); | |
2454 | } | |
cd0ff491 | 2455 | spin_unlock_bh(&jme->rxmcs_lock); |
8c198884 | 2456 | |
cd0ff491 GFT |
2457 | spin_lock_bh(&jme->phy_lock); |
2458 | val = jme_mdio_read(jme->dev, jme->mii_if.phy_id, MII_ADVERTISE); | |
2459 | if (((val & (ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM)) != 0) ^ | |
8c198884 GFT |
2460 | (ecmd->autoneg != 0)) { |
2461 | ||
cd0ff491 | 2462 | if (ecmd->autoneg) |
8c198884 GFT |
2463 | val |= (ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM); |
2464 | else | |
2465 | val &= ~(ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM); | |
2466 | ||
b3821cc5 GFT |
2467 | jme_mdio_write(jme->dev, jme->mii_if.phy_id, |
2468 | MII_ADVERTISE, val); | |
8c198884 | 2469 | } |
cd0ff491 | 2470 | spin_unlock_bh(&jme->phy_lock); |
8c198884 GFT |
2471 | |
2472 | return 0; | |
2473 | } | |
2474 | ||
29bdd921 GFT |
2475 | static void |
2476 | jme_get_wol(struct net_device *netdev, | |
2477 | struct ethtool_wolinfo *wol) | |
2478 | { | |
2479 | struct jme_adapter *jme = netdev_priv(netdev); | |
2480 | ||
2481 | wol->supported = WAKE_MAGIC | WAKE_PHY; | |
2482 | ||
2483 | wol->wolopts = 0; | |
2484 | ||
cd0ff491 | 2485 | if (jme->reg_pmcs & (PMCS_LFEN | PMCS_LREN)) |
29bdd921 GFT |
2486 | wol->wolopts |= WAKE_PHY; |
2487 | ||
cd0ff491 | 2488 | if (jme->reg_pmcs & PMCS_MFEN) |
29bdd921 GFT |
2489 | wol->wolopts |= WAKE_MAGIC; |
2490 | ||
2491 | } | |
2492 | ||
2493 | static int | |
2494 | jme_set_wol(struct net_device *netdev, | |
2495 | struct ethtool_wolinfo *wol) | |
2496 | { | |
2497 | struct jme_adapter *jme = netdev_priv(netdev); | |
2498 | ||
cd0ff491 | 2499 | if (wol->wolopts & (WAKE_MAGICSECURE | |
29bdd921 GFT |
2500 | WAKE_UCAST | |
2501 | WAKE_MCAST | | |
2502 | WAKE_BCAST | | |
2503 | WAKE_ARP)) | |
2504 | return -EOPNOTSUPP; | |
2505 | ||
2506 | jme->reg_pmcs = 0; | |
2507 | ||
cd0ff491 | 2508 | if (wol->wolopts & WAKE_PHY) |
29bdd921 GFT |
2509 | jme->reg_pmcs |= PMCS_LFEN | PMCS_LREN; |
2510 | ||
cd0ff491 | 2511 | if (wol->wolopts & WAKE_MAGIC) |
29bdd921 GFT |
2512 | jme->reg_pmcs |= PMCS_MFEN; |
2513 | ||
cd0ff491 | 2514 | jwrite32(jme, JME_PMCS, jme->reg_pmcs); |
42b1055e | 2515 | |
29bdd921 GFT |
2516 | return 0; |
2517 | } | |
b3821cc5 | 2518 | |
3bf61c55 GFT |
2519 | static int |
2520 | jme_get_settings(struct net_device *netdev, | |
2521 | struct ethtool_cmd *ecmd) | |
d7699f87 GFT |
2522 | { |
2523 | struct jme_adapter *jme = netdev_priv(netdev); | |
2524 | int rc; | |
8c198884 | 2525 | |
cd0ff491 | 2526 | spin_lock_bh(&jme->phy_lock); |
d7699f87 | 2527 | rc = mii_ethtool_gset(&(jme->mii_if), ecmd); |
cd0ff491 | 2528 | spin_unlock_bh(&jme->phy_lock); |
d7699f87 GFT |
2529 | return rc; |
2530 | } | |
2531 | ||
3bf61c55 GFT |
2532 | static int |
2533 | jme_set_settings(struct net_device *netdev, | |
2534 | struct ethtool_cmd *ecmd) | |
d7699f87 GFT |
2535 | { |
2536 | struct jme_adapter *jme = netdev_priv(netdev); | |
cd0ff491 | 2537 | int rc, fdc = 0; |
fcf45b4c | 2538 | |
cd0ff491 | 2539 | if (ecmd->speed == SPEED_1000 && ecmd->autoneg != AUTONEG_ENABLE) |
8c198884 GFT |
2540 | return -EINVAL; |
2541 | ||
cd0ff491 | 2542 | if (jme->mii_if.force_media && |
79ce639c GFT |
2543 | ecmd->autoneg != AUTONEG_ENABLE && |
2544 | (jme->mii_if.full_duplex != ecmd->duplex)) | |
2545 | fdc = 1; | |
2546 | ||
cd0ff491 | 2547 | spin_lock_bh(&jme->phy_lock); |
d7699f87 | 2548 | rc = mii_ethtool_sset(&(jme->mii_if), ecmd); |
cd0ff491 | 2549 | spin_unlock_bh(&jme->phy_lock); |
fcf45b4c | 2550 | |
cd0ff491 | 2551 | if (!rc && fdc) |
79ce639c GFT |
2552 | jme_reset_link(jme); |
2553 | ||
cd0ff491 GFT |
2554 | if (!rc) { |
2555 | set_bit(JME_FLAG_SSET, &jme->flags); | |
29bdd921 GFT |
2556 | jme->old_ecmd = *ecmd; |
2557 | } | |
2558 | ||
d7699f87 GFT |
2559 | return rc; |
2560 | } | |
2561 | ||
cd0ff491 | 2562 | static u32 |
3bf61c55 GFT |
2563 | jme_get_link(struct net_device *netdev) |
2564 | { | |
d7699f87 GFT |
2565 | struct jme_adapter *jme = netdev_priv(netdev); |
2566 | return jread32(jme, JME_PHY_LINK) & PHY_LINK_UP; | |
2567 | } | |
2568 | ||
8c198884 | 2569 | static u32 |
cd0ff491 GFT |
2570 | jme_get_msglevel(struct net_device *netdev) |
2571 | { | |
2572 | struct jme_adapter *jme = netdev_priv(netdev); | |
2573 | return jme->msg_enable; | |
2574 | } | |
2575 | ||
2576 | static void | |
2577 | jme_set_msglevel(struct net_device *netdev, u32 value) | |
8c198884 | 2578 | { |
cd0ff491 GFT |
2579 | struct jme_adapter *jme = netdev_priv(netdev); |
2580 | jme->msg_enable = value; | |
2581 | } | |
8c198884 | 2582 | |
cd0ff491 GFT |
2583 | static u32 |
2584 | jme_get_rx_csum(struct net_device *netdev) | |
2585 | { | |
2586 | struct jme_adapter *jme = netdev_priv(netdev); | |
8c198884 GFT |
2587 | return jme->reg_rxmcs & RXMCS_CHECKSUM; |
2588 | } | |
2589 | ||
2590 | static int | |
2591 | jme_set_rx_csum(struct net_device *netdev, u32 on) | |
2592 | { | |
cd0ff491 | 2593 | struct jme_adapter *jme = netdev_priv(netdev); |
b3821cc5 | 2594 | |
cd0ff491 GFT |
2595 | spin_lock_bh(&jme->rxmcs_lock); |
2596 | if (on) | |
8c198884 GFT |
2597 | jme->reg_rxmcs |= RXMCS_CHECKSUM; |
2598 | else | |
2599 | jme->reg_rxmcs &= ~RXMCS_CHECKSUM; | |
2600 | jwrite32(jme, JME_RXMCS, jme->reg_rxmcs); | |
cd0ff491 | 2601 | spin_unlock_bh(&jme->rxmcs_lock); |
8c198884 GFT |
2602 | |
2603 | return 0; | |
2604 | } | |
2605 | ||
2606 | static int | |
2607 | jme_set_tx_csum(struct net_device *netdev, u32 on) | |
2608 | { | |
cd0ff491 | 2609 | struct jme_adapter *jme = netdev_priv(netdev); |
b3821cc5 | 2610 | |
cd0ff491 GFT |
2611 | if (on) { |
2612 | set_bit(JME_FLAG_TXCSUM, &jme->flags); | |
2613 | if (netdev->mtu <= 1900) | |
b3821cc5 | 2614 | netdev->features |= NETIF_F_HW_CSUM; |
cd0ff491 GFT |
2615 | } else { |
2616 | clear_bit(JME_FLAG_TXCSUM, &jme->flags); | |
8c198884 | 2617 | netdev->features &= ~NETIF_F_HW_CSUM; |
b3821cc5 | 2618 | } |
8c198884 GFT |
2619 | |
2620 | return 0; | |
2621 | } | |
2622 | ||
b3821cc5 GFT |
2623 | static int |
2624 | jme_set_tso(struct net_device *netdev, u32 on) | |
2625 | { | |
cd0ff491 | 2626 | struct jme_adapter *jme = netdev_priv(netdev); |
b3821cc5 | 2627 | |
cd0ff491 GFT |
2628 | if (on) { |
2629 | set_bit(JME_FLAG_TSO, &jme->flags); | |
2630 | if (netdev->mtu <= 1900) | |
3b70a6fa GFT |
2631 | netdev->features |= NETIF_F_TSO |
2632 | #ifdef NETIF_F_TSO6 | |
2633 | | NETIF_F_TSO6 | |
2634 | #endif | |
2635 | ; | |
cd0ff491 GFT |
2636 | } else { |
2637 | clear_bit(JME_FLAG_TSO, &jme->flags); | |
3b70a6fa GFT |
2638 | netdev->features &= ~(NETIF_F_TSO |
2639 | #ifdef NETIF_F_TSO6 | |
2640 | | NETIF_F_TSO6 | |
2641 | #endif | |
2642 | ); | |
b3821cc5 GFT |
2643 | } |
2644 | ||
cd0ff491 | 2645 | return 0; |
b3821cc5 GFT |
2646 | } |
2647 | ||
8c198884 GFT |
2648 | static int |
2649 | jme_nway_reset(struct net_device *netdev) | |
2650 | { | |
cd0ff491 | 2651 | struct jme_adapter *jme = netdev_priv(netdev); |
8c198884 GFT |
2652 | jme_restart_an(jme); |
2653 | return 0; | |
2654 | } | |
2655 | ||
cd0ff491 | 2656 | static u8 |
186fc259 GFT |
2657 | jme_smb_read(struct jme_adapter *jme, unsigned int addr) |
2658 | { | |
cd0ff491 | 2659 | u32 val; |
186fc259 GFT |
2660 | int to; |
2661 | ||
2662 | val = jread32(jme, JME_SMBCSR); | |
2663 | to = JME_SMB_BUSY_TIMEOUT; | |
cd0ff491 | 2664 | while ((val & SMBCSR_BUSY) && --to) { |
186fc259 GFT |
2665 | msleep(1); |
2666 | val = jread32(jme, JME_SMBCSR); | |
2667 | } | |
cd0ff491 | 2668 | if (!to) { |
7ca9ebee | 2669 | #if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,33) |
cd0ff491 | 2670 | msg_hw(jme, "SMB Bus Busy.\n"); |
7ca9ebee GFT |
2671 | #else |
2672 | netif_err(jme, hw, jme->dev, "SMB Bus Busy.\n"); | |
2673 | #endif | |
186fc259 GFT |
2674 | return 0xFF; |
2675 | } | |
2676 | ||
2677 | jwrite32(jme, JME_SMBINTF, | |
2678 | ((addr << SMBINTF_HWADDR_SHIFT) & SMBINTF_HWADDR) | | |
2679 | SMBINTF_HWRWN_READ | | |
2680 | SMBINTF_HWCMD); | |
2681 | ||
2682 | val = jread32(jme, JME_SMBINTF); | |
2683 | to = JME_SMB_BUSY_TIMEOUT; | |
cd0ff491 | 2684 | while ((val & SMBINTF_HWCMD) && --to) { |
186fc259 GFT |
2685 | msleep(1); |
2686 | val = jread32(jme, JME_SMBINTF); | |
2687 | } | |
cd0ff491 | 2688 | if (!to) { |
7ca9ebee | 2689 | #if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,33) |
cd0ff491 | 2690 | msg_hw(jme, "SMB Bus Busy.\n"); |
7ca9ebee GFT |
2691 | #else |
2692 | netif_err(jme, hw, jme->dev, "SMB Bus Busy.\n"); | |
2693 | #endif | |
186fc259 GFT |
2694 | return 0xFF; |
2695 | } | |
2696 | ||
2697 | return (val & SMBINTF_HWDATR) >> SMBINTF_HWDATR_SHIFT; | |
2698 | } | |
2699 | ||
2700 | static void | |
cd0ff491 | 2701 | jme_smb_write(struct jme_adapter *jme, unsigned int addr, u8 data) |
186fc259 | 2702 | { |
cd0ff491 | 2703 | u32 val; |
186fc259 GFT |
2704 | int to; |
2705 | ||
2706 | val = jread32(jme, JME_SMBCSR); | |
2707 | to = JME_SMB_BUSY_TIMEOUT; | |
cd0ff491 | 2708 | while ((val & SMBCSR_BUSY) && --to) { |
186fc259 GFT |
2709 | msleep(1); |
2710 | val = jread32(jme, JME_SMBCSR); | |
2711 | } | |
cd0ff491 | 2712 | if (!to) { |
7ca9ebee | 2713 | #if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,33) |
cd0ff491 | 2714 | msg_hw(jme, "SMB Bus Busy.\n"); |
7ca9ebee GFT |
2715 | #else |
2716 | netif_err(jme, hw, jme->dev, "SMB Bus Busy.\n"); | |
2717 | #endif | |
186fc259 GFT |
2718 | return; |
2719 | } | |
2720 | ||
2721 | jwrite32(jme, JME_SMBINTF, | |
2722 | ((data << SMBINTF_HWDATW_SHIFT) & SMBINTF_HWDATW) | | |
2723 | ((addr << SMBINTF_HWADDR_SHIFT) & SMBINTF_HWADDR) | | |
2724 | SMBINTF_HWRWN_WRITE | | |
2725 | SMBINTF_HWCMD); | |
2726 | ||
2727 | val = jread32(jme, JME_SMBINTF); | |
2728 | to = JME_SMB_BUSY_TIMEOUT; | |
cd0ff491 | 2729 | while ((val & SMBINTF_HWCMD) && --to) { |
186fc259 GFT |
2730 | msleep(1); |
2731 | val = jread32(jme, JME_SMBINTF); | |
2732 | } | |
cd0ff491 | 2733 | if (!to) { |
7ca9ebee | 2734 | #if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,33) |
cd0ff491 | 2735 | msg_hw(jme, "SMB Bus Busy.\n"); |
7ca9ebee GFT |
2736 | #else |
2737 | netif_err(jme, hw, jme->dev, "SMB Bus Busy.\n"); | |
2738 | #endif | |
186fc259 GFT |
2739 | return; |
2740 | } | |
2741 | ||
2742 | mdelay(2); | |
2743 | } | |
2744 | ||
2745 | static int | |
2746 | jme_get_eeprom_len(struct net_device *netdev) | |
2747 | { | |
cd0ff491 GFT |
2748 | struct jme_adapter *jme = netdev_priv(netdev); |
2749 | u32 val; | |
186fc259 | 2750 | val = jread32(jme, JME_SMBCSR); |
cd0ff491 | 2751 | return (val & SMBCSR_EEPROMD) ? JME_SMB_LEN : 0; |
186fc259 GFT |
2752 | } |
2753 | ||
2754 | static int | |
2755 | jme_get_eeprom(struct net_device *netdev, | |
2756 | struct ethtool_eeprom *eeprom, u8 *data) | |
2757 | { | |
cd0ff491 | 2758 | struct jme_adapter *jme = netdev_priv(netdev); |
186fc259 GFT |
2759 | int i, offset = eeprom->offset, len = eeprom->len; |
2760 | ||
2761 | /* | |
8d27293f | 2762 | * ethtool will check the boundary for us |
186fc259 GFT |
2763 | */ |
2764 | eeprom->magic = JME_EEPROM_MAGIC; | |
cd0ff491 | 2765 | for (i = 0 ; i < len ; ++i) |
186fc259 GFT |
2766 | data[i] = jme_smb_read(jme, i + offset); |
2767 | ||
2768 | return 0; | |
2769 | } | |
2770 | ||
2771 | static int | |
2772 | jme_set_eeprom(struct net_device *netdev, | |
2773 | struct ethtool_eeprom *eeprom, u8 *data) | |
2774 | { | |
cd0ff491 | 2775 | struct jme_adapter *jme = netdev_priv(netdev); |
186fc259 GFT |
2776 | int i, offset = eeprom->offset, len = eeprom->len; |
2777 | ||
2778 | if (eeprom->magic != JME_EEPROM_MAGIC) | |
2779 | return -EINVAL; | |
2780 | ||
2781 | /* | |
8d27293f | 2782 | * ethtool will check the boundary for us |
186fc259 | 2783 | */ |
cd0ff491 | 2784 | for (i = 0 ; i < len ; ++i) |
186fc259 GFT |
2785 | jme_smb_write(jme, i + offset, data[i]); |
2786 | ||
2787 | return 0; | |
2788 | } | |
2789 | ||
3b70a6fa GFT |
2790 | #if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,18) |
2791 | static struct ethtool_ops jme_ethtool_ops = { | |
2792 | #else | |
d7699f87 | 2793 | static const struct ethtool_ops jme_ethtool_ops = { |
3b70a6fa | 2794 | #endif |
cd0ff491 | 2795 | .get_drvinfo = jme_get_drvinfo, |
8c198884 GFT |
2796 | .get_regs_len = jme_get_regs_len, |
2797 | .get_regs = jme_get_regs, | |
2798 | .get_coalesce = jme_get_coalesce, | |
192570e0 | 2799 | .set_coalesce = jme_set_coalesce, |
cd0ff491 GFT |
2800 | .get_pauseparam = jme_get_pauseparam, |
2801 | .set_pauseparam = jme_set_pauseparam, | |
29bdd921 GFT |
2802 | .get_wol = jme_get_wol, |
2803 | .set_wol = jme_set_wol, | |
d7699f87 GFT |
2804 | .get_settings = jme_get_settings, |
2805 | .set_settings = jme_set_settings, | |
2806 | .get_link = jme_get_link, | |
cd0ff491 GFT |
2807 | .get_msglevel = jme_get_msglevel, |
2808 | .set_msglevel = jme_set_msglevel, | |
8c198884 GFT |
2809 | .get_rx_csum = jme_get_rx_csum, |
2810 | .set_rx_csum = jme_set_rx_csum, | |
2811 | .set_tx_csum = jme_set_tx_csum, | |
b3821cc5 GFT |
2812 | .set_tso = jme_set_tso, |
2813 | .set_sg = ethtool_op_set_sg, | |
8c198884 | 2814 | .nway_reset = jme_nway_reset, |
186fc259 GFT |
2815 | .get_eeprom_len = jme_get_eeprom_len, |
2816 | .get_eeprom = jme_get_eeprom, | |
2817 | .set_eeprom = jme_set_eeprom, | |
d7699f87 GFT |
2818 | }; |
2819 | ||
3bf61c55 GFT |
2820 | static int |
2821 | jme_pci_dma64(struct pci_dev *pdev) | |
d7699f87 | 2822 | { |
3b70a6fa | 2823 | if (pdev->device == PCI_DEVICE_ID_JMICRON_JMC250 && |
0ede469c GFT |
2824 | #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,29) |
2825 | !pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) | |
2826 | #else | |
2827 | !pci_set_dma_mask(pdev, DMA_64BIT_MASK) | |
2828 | #endif | |
2829 | ) | |
2830 | #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,29) | |
2831 | if (!pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64))) | |
2832 | #else | |
cd0ff491 | 2833 | if (!pci_set_consistent_dma_mask(pdev, DMA_64BIT_MASK)) |
0ede469c | 2834 | #endif |
3bf61c55 GFT |
2835 | return 1; |
2836 | ||
3b70a6fa | 2837 | if (pdev->device == PCI_DEVICE_ID_JMICRON_JMC250 && |
0ede469c GFT |
2838 | #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,29) |
2839 | !pci_set_dma_mask(pdev, DMA_BIT_MASK(40)) | |
2840 | #else | |
2841 | !pci_set_dma_mask(pdev, DMA_40BIT_MASK) | |
2842 | #endif | |
2843 | ) | |
2844 | #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,29) | |
2845 | if (!pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(40))) | |
2846 | #else | |
cd0ff491 | 2847 | if (!pci_set_consistent_dma_mask(pdev, DMA_40BIT_MASK)) |
0ede469c | 2848 | #endif |
8c198884 GFT |
2849 | return 1; |
2850 | ||
0ede469c GFT |
2851 | #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,29) |
2852 | if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32))) | |
2853 | if (!pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32))) | |
2854 | #else | |
cd0ff491 GFT |
2855 | if (!pci_set_dma_mask(pdev, DMA_32BIT_MASK)) |
2856 | if (!pci_set_consistent_dma_mask(pdev, DMA_32BIT_MASK)) | |
0ede469c | 2857 | #endif |
3bf61c55 GFT |
2858 | return 0; |
2859 | ||
2860 | return -1; | |
2861 | } | |
2862 | ||
cd0ff491 | 2863 | static inline void |
cdcdc9eb GFT |
2864 | jme_phy_init(struct jme_adapter *jme) |
2865 | { | |
cd0ff491 | 2866 | u16 reg26; |
cdcdc9eb GFT |
2867 | |
2868 | reg26 = jme_mdio_read(jme->dev, jme->mii_if.phy_id, 26); | |
2869 | jme_mdio_write(jme->dev, jme->mii_if.phy_id, 26, reg26 | 0x1000); | |
2870 | } | |
2871 | ||
cd0ff491 | 2872 | static inline void |
cdcdc9eb | 2873 | jme_check_hw_ver(struct jme_adapter *jme) |
42b1055e | 2874 | { |
cd0ff491 | 2875 | u32 chipmode; |
cdcdc9eb GFT |
2876 | |
2877 | chipmode = jread32(jme, JME_CHIPMODE); | |
2878 | ||
2879 | jme->fpgaver = (chipmode & CM_FPGAVER_MASK) >> CM_FPGAVER_SHIFT; | |
58c92f28 | 2880 | jme->chiprev = (chipmode & CM_CHIPREV_MASK) >> CM_CHIPREV_SHIFT; |
42b1055e GFT |
2881 | } |
2882 | ||
3b70a6fa GFT |
2883 | #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,29) |
2884 | static const struct net_device_ops jme_netdev_ops = { | |
2885 | .ndo_open = jme_open, | |
2886 | .ndo_stop = jme_close, | |
2887 | .ndo_validate_addr = eth_validate_addr, | |
2888 | .ndo_start_xmit = jme_start_xmit, | |
2889 | .ndo_set_mac_address = jme_set_macaddr, | |
2890 | .ndo_set_multicast_list = jme_set_multi, | |
2891 | .ndo_change_mtu = jme_change_mtu, | |
2892 | .ndo_tx_timeout = jme_tx_timeout, | |
2893 | .ndo_vlan_rx_register = jme_vlan_rx_register, | |
2894 | }; | |
2895 | #endif | |
2896 | ||
3bf61c55 GFT |
2897 | static int __devinit |
2898 | jme_init_one(struct pci_dev *pdev, | |
2899 | const struct pci_device_id *ent) | |
2900 | { | |
cdcdc9eb | 2901 | int rc = 0, using_dac, i; |
d7699f87 GFT |
2902 | struct net_device *netdev; |
2903 | struct jme_adapter *jme; | |
cd0ff491 GFT |
2904 | u16 bmcr, bmsr; |
2905 | u32 apmc; | |
d7699f87 GFT |
2906 | |
2907 | /* | |
2908 | * set up PCI device basics | |
2909 | */ | |
4330c2f2 | 2910 | rc = pci_enable_device(pdev); |
cd0ff491 GFT |
2911 | if (rc) { |
2912 | jeprintk(pdev, "Cannot enable PCI device.\n"); | |
4330c2f2 GFT |
2913 | goto err_out; |
2914 | } | |
d7699f87 | 2915 | |
3bf61c55 | 2916 | using_dac = jme_pci_dma64(pdev); |
cd0ff491 GFT |
2917 | if (using_dac < 0) { |
2918 | jeprintk(pdev, "Cannot set PCI DMA Mask.\n"); | |
3bf61c55 GFT |
2919 | rc = -EIO; |
2920 | goto err_out_disable_pdev; | |
2921 | } | |
2922 | ||
cd0ff491 GFT |
2923 | if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) { |
2924 | jeprintk(pdev, "No PCI resource region found.\n"); | |
4330c2f2 GFT |
2925 | rc = -ENOMEM; |
2926 | goto err_out_disable_pdev; | |
2927 | } | |
d7699f87 | 2928 | |
4330c2f2 | 2929 | rc = pci_request_regions(pdev, DRV_NAME); |
cd0ff491 GFT |
2930 | if (rc) { |
2931 | jeprintk(pdev, "Cannot obtain PCI resource region.\n"); | |
4330c2f2 GFT |
2932 | goto err_out_disable_pdev; |
2933 | } | |
d7699f87 GFT |
2934 | |
2935 | pci_set_master(pdev); | |
2936 | ||
2937 | /* | |
2938 | * alloc and init net device | |
2939 | */ | |
3bf61c55 | 2940 | netdev = alloc_etherdev(sizeof(*jme)); |
cd0ff491 GFT |
2941 | if (!netdev) { |
2942 | jeprintk(pdev, "Cannot allocate netdev structure.\n"); | |
4330c2f2 GFT |
2943 | rc = -ENOMEM; |
2944 | goto err_out_release_regions; | |
d7699f87 | 2945 | } |
3b70a6fa GFT |
2946 | #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,29) |
2947 | netdev->netdev_ops = &jme_netdev_ops; | |
2948 | #else | |
d7699f87 GFT |
2949 | netdev->open = jme_open; |
2950 | netdev->stop = jme_close; | |
2951 | netdev->hard_start_xmit = jme_start_xmit; | |
d7699f87 GFT |
2952 | netdev->set_mac_address = jme_set_macaddr; |
2953 | netdev->set_multicast_list = jme_set_multi; | |
2954 | netdev->change_mtu = jme_change_mtu; | |
8c198884 | 2955 | netdev->tx_timeout = jme_tx_timeout; |
42b1055e | 2956 | netdev->vlan_rx_register = jme_vlan_rx_register; |
7ca9ebee GFT |
2957 | #if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,21) |
2958 | netdev->vlan_rx_kill_vid = jme_vlan_rx_kill_vid; | |
2959 | #endif | |
3bf61c55 | 2960 | NETDEV_GET_STATS(netdev, &jme_get_stats); |
3b70a6fa GFT |
2961 | #endif |
2962 | netdev->ethtool_ops = &jme_ethtool_ops; | |
2963 | netdev->watchdog_timeo = TX_TIMEOUT; | |
42b1055e | 2964 | netdev->features = NETIF_F_HW_CSUM | |
b3821cc5 GFT |
2965 | NETIF_F_SG | |
2966 | NETIF_F_TSO | | |
3b70a6fa | 2967 | #ifdef NETIF_F_TSO6 |
b3821cc5 | 2968 | NETIF_F_TSO6 | |
3b70a6fa | 2969 | #endif |
42b1055e GFT |
2970 | NETIF_F_HW_VLAN_TX | |
2971 | NETIF_F_HW_VLAN_RX; | |
cd0ff491 | 2972 | if (using_dac) |
8c198884 | 2973 | netdev->features |= NETIF_F_HIGHDMA; |
d7699f87 GFT |
2974 | |
2975 | SET_NETDEV_DEV(netdev, &pdev->dev); | |
2976 | pci_set_drvdata(pdev, netdev); | |
2977 | ||
2978 | /* | |
2979 | * init adapter info | |
2980 | */ | |
2981 | jme = netdev_priv(netdev); | |
2982 | jme->pdev = pdev; | |
2983 | jme->dev = netdev; | |
cdcdc9eb GFT |
2984 | jme->jme_rx = netif_rx; |
2985 | jme->jme_vlan_rx = vlan_hwaccel_rx; | |
29bdd921 | 2986 | jme->old_mtu = netdev->mtu = 1500; |
fcf45b4c | 2987 | jme->phylink = 0; |
b3821cc5 | 2988 | jme->tx_ring_size = 1 << 10; |
0ede469c | 2989 | jme->tx_ring_mask = jme->tx_ring_size - 1; |
b3821cc5 GFT |
2990 | jme->tx_wake_threshold = 1 << 9; |
2991 | jme->rx_ring_size = 1 << 9; | |
2992 | jme->rx_ring_mask = jme->rx_ring_size - 1; | |
cd0ff491 | 2993 | jme->msg_enable = JME_DEF_MSG_ENABLE; |
d7699f87 GFT |
2994 | jme->regs = ioremap(pci_resource_start(pdev, 0), |
2995 | pci_resource_len(pdev, 0)); | |
4330c2f2 | 2996 | if (!(jme->regs)) { |
cd0ff491 | 2997 | jeprintk(pdev, "Mapping PCI resource region error.\n"); |
d7699f87 GFT |
2998 | rc = -ENOMEM; |
2999 | goto err_out_free_netdev; | |
3000 | } | |
4330c2f2 | 3001 | |
cd0ff491 GFT |
3002 | if (no_pseudohp) { |
3003 | apmc = jread32(jme, JME_APMC) & ~JME_APMC_PSEUDO_HP_EN; | |
3004 | jwrite32(jme, JME_APMC, apmc); | |
3005 | } else if (force_pseudohp) { | |
3006 | apmc = jread32(jme, JME_APMC) | JME_APMC_PSEUDO_HP_EN; | |
3007 | jwrite32(jme, JME_APMC, apmc); | |
3008 | } | |
3009 | ||
cdcdc9eb | 3010 | NETIF_NAPI_SET(netdev, &jme->napi, jme_poll, jme->rx_ring_size >> 2) |
192570e0 | 3011 | |
d7699f87 | 3012 | spin_lock_init(&jme->phy_lock); |
fcf45b4c | 3013 | spin_lock_init(&jme->macaddr_lock); |
8c198884 | 3014 | spin_lock_init(&jme->rxmcs_lock); |
fcf45b4c | 3015 | |
fcf45b4c GFT |
3016 | atomic_set(&jme->link_changing, 1); |
3017 | atomic_set(&jme->rx_cleaning, 1); | |
3018 | atomic_set(&jme->tx_cleaning, 1); | |
192570e0 | 3019 | atomic_set(&jme->rx_empty, 1); |
fcf45b4c | 3020 | |
79ce639c | 3021 | tasklet_init(&jme->pcc_task, |
7ca9ebee | 3022 | jme_pcc_tasklet, |
79ce639c | 3023 | (unsigned long) jme); |
4330c2f2 | 3024 | tasklet_init(&jme->linkch_task, |
7ca9ebee | 3025 | jme_link_change_tasklet, |
4330c2f2 GFT |
3026 | (unsigned long) jme); |
3027 | tasklet_init(&jme->txclean_task, | |
7ca9ebee | 3028 | jme_tx_clean_tasklet, |
4330c2f2 GFT |
3029 | (unsigned long) jme); |
3030 | tasklet_init(&jme->rxclean_task, | |
7ca9ebee | 3031 | jme_rx_clean_tasklet, |
4330c2f2 | 3032 | (unsigned long) jme); |
fcf45b4c | 3033 | tasklet_init(&jme->rxempty_task, |
7ca9ebee | 3034 | jme_rx_empty_tasklet, |
fcf45b4c | 3035 | (unsigned long) jme); |
0ede469c | 3036 | tasklet_disable_nosync(&jme->linkch_task); |
cd0ff491 GFT |
3037 | tasklet_disable_nosync(&jme->txclean_task); |
3038 | tasklet_disable_nosync(&jme->rxclean_task); | |
3039 | tasklet_disable_nosync(&jme->rxempty_task); | |
8c198884 GFT |
3040 | jme->dpi.cur = PCC_P1; |
3041 | ||
cd0ff491 | 3042 | jme->reg_ghc = 0; |
79ce639c | 3043 | jme->reg_rxcs = RXCS_DEFAULT; |
8c198884 GFT |
3044 | jme->reg_rxmcs = RXMCS_DEFAULT; |
3045 | jme->reg_txpfc = 0; | |
47220951 | 3046 | jme->reg_pmcs = PMCS_MFEN; |
cd0ff491 GFT |
3047 | set_bit(JME_FLAG_TXCSUM, &jme->flags); |
3048 | set_bit(JME_FLAG_TSO, &jme->flags); | |
192570e0 | 3049 | |
fcf45b4c GFT |
3050 | /* |
3051 | * Get Max Read Req Size from PCI Config Space | |
3052 | */ | |
cd0ff491 GFT |
3053 | pci_read_config_byte(pdev, PCI_DCSR_MRRS, &jme->mrrs); |
3054 | jme->mrrs &= PCI_DCSR_MRRS_MASK; | |
3055 | switch (jme->mrrs) { | |
3056 | case MRRS_128B: | |
3057 | jme->reg_txcs = TXCS_DEFAULT | TXCS_DMASIZE_128B; | |
3058 | break; | |
3059 | case MRRS_256B: | |
3060 | jme->reg_txcs = TXCS_DEFAULT | TXCS_DMASIZE_256B; | |
3061 | break; | |
3062 | default: | |
3063 | jme->reg_txcs = TXCS_DEFAULT | TXCS_DMASIZE_512B; | |
3064 | break; | |
cd54cf32 | 3065 | } |
fcf45b4c | 3066 | |
d7699f87 | 3067 | /* |
cdcdc9eb | 3068 | * Must check before reset_mac_processor |
d7699f87 | 3069 | */ |
cdcdc9eb GFT |
3070 | jme_check_hw_ver(jme); |
3071 | jme->mii_if.dev = netdev; | |
cd0ff491 | 3072 | if (jme->fpgaver) { |
cdcdc9eb | 3073 | jme->mii_if.phy_id = 0; |
cd0ff491 | 3074 | for (i = 1 ; i < 32 ; ++i) { |
cdcdc9eb GFT |
3075 | bmcr = jme_mdio_read(netdev, i, MII_BMCR); |
3076 | bmsr = jme_mdio_read(netdev, i, MII_BMSR); | |
cd0ff491 | 3077 | if (bmcr != 0xFFFFU && (bmcr != 0 || bmsr != 0)) { |
cdcdc9eb GFT |
3078 | jme->mii_if.phy_id = i; |
3079 | break; | |
3080 | } | |
3081 | } | |
3082 | ||
cd0ff491 | 3083 | if (!jme->mii_if.phy_id) { |
cdcdc9eb | 3084 | rc = -EIO; |
cd0ff491 | 3085 | jeprintk(pdev, "Can not find phy_id.\n"); |
0ede469c | 3086 | goto err_out_unmap; |
cdcdc9eb GFT |
3087 | } |
3088 | ||
3089 | jme->reg_ghc |= GHC_LINK_POLL; | |
cd0ff491 | 3090 | } else { |
cdcdc9eb GFT |
3091 | jme->mii_if.phy_id = 1; |
3092 | } | |
cd0ff491 | 3093 | if (pdev->device == PCI_DEVICE_ID_JMICRON_JMC250) |
8d27293f GFT |
3094 | jme->mii_if.supports_gmii = true; |
3095 | else | |
3096 | jme->mii_if.supports_gmii = false; | |
cdcdc9eb GFT |
3097 | jme->mii_if.mdio_read = jme_mdio_read; |
3098 | jme->mii_if.mdio_write = jme_mdio_write; | |
3099 | ||
d7699f87 | 3100 | jme_clear_pm(jme); |
58c92f28 | 3101 | jme_set_phyfifoa(jme); |
cd0ff491 GFT |
3102 | pci_read_config_byte(pdev, PCI_REVISION_ID, &jme->rev); |
3103 | if (!jme->fpgaver) | |
cdcdc9eb | 3104 | jme_phy_init(jme); |
42b1055e | 3105 | jme_phy_off(jme); |
cdcdc9eb GFT |
3106 | |
3107 | /* | |
3108 | * Reset MAC processor and reload EEPROM for MAC Address | |
3109 | */ | |
d7699f87 | 3110 | jme_reset_mac_processor(jme); |
4330c2f2 | 3111 | rc = jme_reload_eeprom(jme); |
cd0ff491 GFT |
3112 | if (rc) { |
3113 | jeprintk(pdev, | |
b3821cc5 | 3114 | "Reload eeprom for reading MAC Address error.\n"); |
0ede469c | 3115 | goto err_out_unmap; |
4330c2f2 | 3116 | } |
d7699f87 GFT |
3117 | jme_load_macaddr(netdev); |
3118 | ||
d7699f87 GFT |
3119 | /* |
3120 | * Tell stack that we are not ready to work until open() | |
3121 | */ | |
3122 | netif_carrier_off(netdev); | |
3123 | netif_stop_queue(netdev); | |
3124 | ||
3125 | /* | |
3126 | * Register netdev | |
3127 | */ | |
4330c2f2 | 3128 | rc = register_netdev(netdev); |
cd0ff491 GFT |
3129 | if (rc) { |
3130 | jeprintk(pdev, "Cannot register net device.\n"); | |
0ede469c | 3131 | goto err_out_unmap; |
4330c2f2 | 3132 | } |
d7699f87 | 3133 | |
7ca9ebee | 3134 | #if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,33) |
0ede469c GFT |
3135 | msg_probe(jme, "%s%s ver:%x rev:%x " |
3136 | "macaddr: %02x:%02x:%02x:%02x:%02x:%02x\n", | |
3b70a6fa GFT |
3137 | (jme->pdev->device == PCI_DEVICE_ID_JMICRON_JMC250) ? |
3138 | "JMC250 Gigabit Ethernet" : | |
3139 | (jme->pdev->device == PCI_DEVICE_ID_JMICRON_JMC260) ? | |
3140 | "JMC260 Fast Ethernet" : "Unknown", | |
cd0ff491 | 3141 | (jme->fpgaver != 0) ? " (FPGA)" : "", |
58c92f28 | 3142 | (jme->fpgaver != 0) ? jme->fpgaver : jme->chiprev, |
0ede469c GFT |
3143 | jme->rev, |
3144 | netdev->dev_addr[0], | |
3145 | netdev->dev_addr[1], | |
3146 | netdev->dev_addr[2], | |
3147 | netdev->dev_addr[3], | |
3148 | netdev->dev_addr[4], | |
3149 | netdev->dev_addr[5]); | |
7ca9ebee GFT |
3150 | #else |
3151 | netif_info(jme, probe, jme->dev, "%s%s ver:%x rev:%x macaddr:%pM\n", | |
3152 | (jme->pdev->device == PCI_DEVICE_ID_JMICRON_JMC250) ? | |
3153 | "JMC250 Gigabit Ethernet" : | |
3154 | (jme->pdev->device == PCI_DEVICE_ID_JMICRON_JMC260) ? | |
3155 | "JMC260 Fast Ethernet" : "Unknown", | |
3156 | (jme->fpgaver != 0) ? " (FPGA)" : "", | |
3157 | (jme->fpgaver != 0) ? jme->fpgaver : jme->chiprev, | |
3158 | jme->rev, netdev->dev_addr); | |
3159 | #endif | |
d7699f87 GFT |
3160 | |
3161 | return 0; | |
3162 | ||
3163 | err_out_unmap: | |
3164 | iounmap(jme->regs); | |
3165 | err_out_free_netdev: | |
3166 | pci_set_drvdata(pdev, NULL); | |
3167 | free_netdev(netdev); | |
4330c2f2 GFT |
3168 | err_out_release_regions: |
3169 | pci_release_regions(pdev); | |
d7699f87 | 3170 | err_out_disable_pdev: |
cd0ff491 | 3171 | pci_disable_device(pdev); |
d7699f87 | 3172 | err_out: |
4330c2f2 | 3173 | return rc; |
d7699f87 GFT |
3174 | } |
3175 | ||
3bf61c55 GFT |
3176 | static void __devexit |
3177 | jme_remove_one(struct pci_dev *pdev) | |
3178 | { | |
d7699f87 GFT |
3179 | struct net_device *netdev = pci_get_drvdata(pdev); |
3180 | struct jme_adapter *jme = netdev_priv(netdev); | |
3181 | ||
3182 | unregister_netdev(netdev); | |
3183 | iounmap(jme->regs); | |
3184 | pci_set_drvdata(pdev, NULL); | |
3185 | free_netdev(netdev); | |
3186 | pci_release_regions(pdev); | |
3187 | pci_disable_device(pdev); | |
3188 | ||
3189 | } | |
3190 | ||
7ee473a3 | 3191 | #ifdef CONFIG_PM |
29bdd921 GFT |
3192 | static int |
3193 | jme_suspend(struct pci_dev *pdev, pm_message_t state) | |
3194 | { | |
3195 | struct net_device *netdev = pci_get_drvdata(pdev); | |
3196 | struct jme_adapter *jme = netdev_priv(netdev); | |
29bdd921 GFT |
3197 | |
3198 | atomic_dec(&jme->link_changing); | |
3199 | ||
3200 | netif_device_detach(netdev); | |
3201 | netif_stop_queue(netdev); | |
3202 | jme_stop_irq(jme); | |
29bdd921 | 3203 | |
cd0ff491 GFT |
3204 | tasklet_disable(&jme->txclean_task); |
3205 | tasklet_disable(&jme->rxclean_task); | |
3206 | tasklet_disable(&jme->rxempty_task); | |
3207 | ||
cd0ff491 GFT |
3208 | if (netif_carrier_ok(netdev)) { |
3209 | if (test_bit(JME_FLAG_POLL, &jme->flags)) | |
47220951 GFT |
3210 | jme_polling_mode(jme); |
3211 | ||
29bdd921 | 3212 | jme_stop_pcc_timer(jme); |
cd0ff491 GFT |
3213 | jme_reset_ghc_speed(jme); |
3214 | jme_disable_rx_engine(jme); | |
3215 | jme_disable_tx_engine(jme); | |
29bdd921 GFT |
3216 | jme_reset_mac_processor(jme); |
3217 | jme_free_rx_resources(jme); | |
3218 | jme_free_tx_resources(jme); | |
3219 | netif_carrier_off(netdev); | |
3220 | jme->phylink = 0; | |
3221 | } | |
3222 | ||
cd0ff491 GFT |
3223 | tasklet_enable(&jme->txclean_task); |
3224 | tasklet_hi_enable(&jme->rxclean_task); | |
3225 | tasklet_hi_enable(&jme->rxempty_task); | |
29bdd921 GFT |
3226 | |
3227 | pci_save_state(pdev); | |
cd0ff491 | 3228 | if (jme->reg_pmcs) { |
42b1055e | 3229 | jme_set_100m_half(jme); |
47220951 | 3230 | |
cd0ff491 | 3231 | if (jme->reg_pmcs & (PMCS_LFEN | PMCS_LREN)) |
47220951 GFT |
3232 | jme_wait_link(jme); |
3233 | ||
29bdd921 | 3234 | jwrite32(jme, JME_PMCS, jme->reg_pmcs); |
cd0ff491 | 3235 | |
42b1055e | 3236 | pci_enable_wake(pdev, PCI_D3cold, true); |
cd0ff491 | 3237 | } else { |
42b1055e | 3238 | jme_phy_off(jme); |
29bdd921 | 3239 | } |
cd0ff491 | 3240 | pci_set_power_state(pdev, PCI_D3cold); |
29bdd921 GFT |
3241 | |
3242 | return 0; | |
3243 | } | |
3244 | ||
3245 | static int | |
3246 | jme_resume(struct pci_dev *pdev) | |
3247 | { | |
3248 | struct net_device *netdev = pci_get_drvdata(pdev); | |
3249 | struct jme_adapter *jme = netdev_priv(netdev); | |
3250 | ||
3251 | jme_clear_pm(jme); | |
3252 | pci_restore_state(pdev); | |
3253 | ||
cd0ff491 | 3254 | if (test_bit(JME_FLAG_SSET, &jme->flags)) |
29bdd921 GFT |
3255 | jme_set_settings(netdev, &jme->old_ecmd); |
3256 | else | |
3257 | jme_reset_phy_processor(jme); | |
3258 | ||
29bdd921 GFT |
3259 | jme_start_irq(jme); |
3260 | netif_device_attach(netdev); | |
3261 | ||
3262 | atomic_inc(&jme->link_changing); | |
3263 | ||
3264 | jme_reset_link(jme); | |
3265 | ||
3266 | return 0; | |
3267 | } | |
7ee473a3 | 3268 | #endif |
29bdd921 | 3269 | |
7ca9ebee | 3270 | #if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,24) |
d7699f87 | 3271 | static struct pci_device_id jme_pci_tbl[] = { |
7ca9ebee GFT |
3272 | #else |
3273 | static DEFINE_PCI_DEVICE_TABLE(jme_pci_tbl) = { | |
3274 | #endif | |
cd0ff491 GFT |
3275 | { PCI_VDEVICE(JMICRON, PCI_DEVICE_ID_JMICRON_JMC250) }, |
3276 | { PCI_VDEVICE(JMICRON, PCI_DEVICE_ID_JMICRON_JMC260) }, | |
d7699f87 GFT |
3277 | { } |
3278 | }; | |
3279 | ||
3280 | static struct pci_driver jme_driver = { | |
cd0ff491 GFT |
3281 | .name = DRV_NAME, |
3282 | .id_table = jme_pci_tbl, | |
3283 | .probe = jme_init_one, | |
3284 | .remove = __devexit_p(jme_remove_one), | |
d7699f87 | 3285 | #ifdef CONFIG_PM |
cd0ff491 GFT |
3286 | .suspend = jme_suspend, |
3287 | .resume = jme_resume, | |
d7699f87 | 3288 | #endif /* CONFIG_PM */ |
d7699f87 GFT |
3289 | }; |
3290 | ||
3bf61c55 GFT |
3291 | static int __init |
3292 | jme_init_module(void) | |
d7699f87 | 3293 | { |
3b70a6fa | 3294 | printk(KERN_INFO PFX "JMicron JMC2XX ethernet " |
4330c2f2 | 3295 | "driver version %s\n", DRV_VERSION); |
d7699f87 GFT |
3296 | return pci_register_driver(&jme_driver); |
3297 | } | |
3298 | ||
3bf61c55 GFT |
3299 | static void __exit |
3300 | jme_cleanup_module(void) | |
d7699f87 GFT |
3301 | { |
3302 | pci_unregister_driver(&jme_driver); | |
3303 | } | |
3304 | ||
3305 | module_init(jme_init_module); | |
3306 | module_exit(jme_cleanup_module); | |
3307 | ||
3bf61c55 | 3308 | MODULE_AUTHOR("Guo-Fu Tseng <cooldavid@cooldavid.org>"); |
d7699f87 GFT |
3309 | MODULE_DESCRIPTION("JMicron JMC2x0 PCI Express Ethernet driver"); |
3310 | MODULE_LICENSE("GPL"); | |
3311 | MODULE_VERSION(DRV_VERSION); | |
3312 | MODULE_DEVICE_TABLE(pci, jme_pci_tbl); | |
3313 |