diff options
-rw-r--r-- | drivers/net/gianfar.c | 695 | ||||
-rw-r--r-- | drivers/net/gianfar.h | 96 | ||||
-rw-r--r-- | drivers/net/gianfar_ethtool.c | 70 | ||||
-rw-r--r-- | drivers/net/gianfar_sysfs.c | 50 |
4 files changed, 621 insertions, 290 deletions
diff --git a/drivers/net/gianfar.c b/drivers/net/gianfar.c index fa0188ea9233..aa258e899261 100644 --- a/drivers/net/gianfar.c +++ b/drivers/net/gianfar.c | |||
@@ -143,6 +143,7 @@ void gfar_start(struct net_device *dev); | |||
143 | static void gfar_clear_exact_match(struct net_device *dev); | 143 | static void gfar_clear_exact_match(struct net_device *dev); |
144 | static void gfar_set_mac_for_addr(struct net_device *dev, int num, u8 *addr); | 144 | static void gfar_set_mac_for_addr(struct net_device *dev, int num, u8 *addr); |
145 | static int gfar_ioctl(struct net_device *dev, struct ifreq *rq, int cmd); | 145 | static int gfar_ioctl(struct net_device *dev, struct ifreq *rq, int cmd); |
146 | u16 gfar_select_queue(struct net_device *dev, struct sk_buff *skb); | ||
146 | 147 | ||
147 | MODULE_AUTHOR("Freescale Semiconductor, Inc"); | 148 | MODULE_AUTHOR("Freescale Semiconductor, Inc"); |
148 | MODULE_DESCRIPTION("Gianfar Ethernet Driver"); | 149 | MODULE_DESCRIPTION("Gianfar Ethernet Driver"); |
@@ -171,71 +172,89 @@ static int gfar_init_bds(struct net_device *ndev) | |||
171 | struct gfar_priv_rx_q *rx_queue = NULL; | 172 | struct gfar_priv_rx_q *rx_queue = NULL; |
172 | struct txbd8 *txbdp; | 173 | struct txbd8 *txbdp; |
173 | struct rxbd8 *rxbdp; | 174 | struct rxbd8 *rxbdp; |
174 | int i; | 175 | int i, j; |
175 | |||
176 | tx_queue = priv->tx_queue; | ||
177 | rx_queue = priv->rx_queue; | ||
178 | 176 | ||
179 | /* Initialize some variables in our dev structure */ | 177 | for (i = 0; i < priv->num_tx_queues; i++) { |
180 | tx_queue->num_txbdfree = tx_queue->tx_ring_size; | 178 | tx_queue = priv->tx_queue[i]; |
181 | tx_queue->dirty_tx = tx_queue->cur_tx = tx_queue->tx_bd_base; | 179 | /* Initialize some variables in our dev structure */ |
182 | rx_queue->cur_rx = rx_queue->rx_bd_base; | 180 | tx_queue->num_txbdfree = tx_queue->tx_ring_size; |
183 | tx_queue->skb_curtx = tx_queue->skb_dirtytx = 0; | 181 | tx_queue->dirty_tx = tx_queue->tx_bd_base; |
184 | rx_queue->skb_currx = 0; | 182 | tx_queue->cur_tx = tx_queue->tx_bd_base; |
183 | tx_queue->skb_curtx = 0; | ||
184 | tx_queue->skb_dirtytx = 0; | ||
185 | |||
186 | /* Initialize Transmit Descriptor Ring */ | ||
187 | txbdp = tx_queue->tx_bd_base; | ||
188 | for (j = 0; j < tx_queue->tx_ring_size; j++) { | ||
189 | txbdp->lstatus = 0; | ||
190 | txbdp->bufPtr = 0; | ||
191 | txbdp++; | ||
192 | } | ||
185 | 193 | ||
186 | /* Initialize Transmit Descriptor Ring */ | 194 | /* Set the last descriptor in the ring to indicate wrap */ |
187 | txbdp = tx_queue->tx_bd_base; | 195 | txbdp--; |
188 | for (i = 0; i < tx_queue->tx_ring_size; i++) { | 196 | txbdp->status |= TXBD_WRAP; |
189 | txbdp->lstatus = 0; | ||
190 | txbdp->bufPtr = 0; | ||
191 | txbdp++; | ||
192 | } | 197 | } |
193 | 198 | ||
194 | /* Set the last descriptor in the ring to indicate wrap */ | 199 | for (i = 0; i < priv->num_rx_queues; i++) { |
195 | txbdp--; | 200 | rx_queue = priv->rx_queue[i]; |
196 | txbdp->status |= TXBD_WRAP; | 201 | rx_queue->cur_rx = rx_queue->rx_bd_base; |
202 | rx_queue->skb_currx = 0; | ||
203 | rxbdp = rx_queue->rx_bd_base; | ||
197 | 204 | ||
198 | rxbdp = rx_queue->rx_bd_base; | 205 | for (j = 0; j < rx_queue->rx_ring_size; j++) { |
199 | for (i = 0; i < rx_queue->rx_ring_size; i++) { | 206 | struct sk_buff *skb = rx_queue->rx_skbuff[j]; |
200 | struct sk_buff *skb = rx_queue->rx_skbuff[i]; | ||
201 | 207 | ||
202 | if (skb) { | 208 | if (skb) { |
203 | gfar_init_rxbdp(rx_queue, rxbdp, rxbdp->bufPtr); | 209 | gfar_init_rxbdp(rx_queue, rxbdp, |
204 | } else { | 210 | rxbdp->bufPtr); |
205 | skb = gfar_new_skb(ndev); | 211 | } else { |
206 | if (!skb) { | 212 | skb = gfar_new_skb(ndev); |
207 | pr_err("%s: Can't allocate RX buffers\n", | 213 | if (!skb) { |
208 | ndev->name); | 214 | pr_err("%s: Can't allocate RX buffers\n", |
209 | return -ENOMEM; | 215 | ndev->name); |
216 | goto err_rxalloc_fail; | ||
217 | } | ||
218 | rx_queue->rx_skbuff[j] = skb; | ||
219 | |||
220 | gfar_new_rxbdp(rx_queue, rxbdp, skb); | ||
210 | } | 221 | } |
211 | rx_queue->rx_skbuff[i] = skb; | ||
212 | 222 | ||
213 | gfar_new_rxbdp(rx_queue, rxbdp, skb); | 223 | rxbdp++; |
214 | } | 224 | } |
215 | 225 | ||
216 | rxbdp++; | ||
217 | } | 226 | } |
218 | 227 | ||
219 | return 0; | 228 | return 0; |
229 | |||
230 | err_rxalloc_fail: | ||
231 | free_skb_resources(priv); | ||
232 | return -ENOMEM; | ||
220 | } | 233 | } |
221 | 234 | ||
222 | static int gfar_alloc_skb_resources(struct net_device *ndev) | 235 | static int gfar_alloc_skb_resources(struct net_device *ndev) |
223 | { | 236 | { |
224 | void *vaddr; | 237 | void *vaddr; |
225 | int i; | 238 | dma_addr_t addr; |
239 | int i, j, k; | ||
226 | struct gfar_private *priv = netdev_priv(ndev); | 240 | struct gfar_private *priv = netdev_priv(ndev); |
227 | struct device *dev = &priv->ofdev->dev; | 241 | struct device *dev = &priv->ofdev->dev; |
228 | struct gfar_priv_tx_q *tx_queue = NULL; | 242 | struct gfar_priv_tx_q *tx_queue = NULL; |
229 | struct gfar_priv_rx_q *rx_queue = NULL; | 243 | struct gfar_priv_rx_q *rx_queue = NULL; |
230 | 244 | ||
231 | tx_queue = priv->tx_queue; | 245 | priv->total_tx_ring_size = 0; |
232 | rx_queue = priv->rx_queue; | 246 | for (i = 0; i < priv->num_tx_queues; i++) |
247 | priv->total_tx_ring_size += priv->tx_queue[i]->tx_ring_size; | ||
248 | |||
249 | priv->total_rx_ring_size = 0; | ||
250 | for (i = 0; i < priv->num_rx_queues; i++) | ||
251 | priv->total_rx_ring_size += priv->rx_queue[i]->rx_ring_size; | ||
233 | 252 | ||
234 | /* Allocate memory for the buffer descriptors */ | 253 | /* Allocate memory for the buffer descriptors */ |
235 | vaddr = dma_alloc_coherent(dev, | 254 | vaddr = dma_alloc_coherent(dev, |
236 | sizeof(*tx_queue->tx_bd_base) * tx_queue->tx_ring_size + | 255 | sizeof(struct txbd8) * priv->total_tx_ring_size + |
237 | sizeof(*rx_queue->rx_bd_base) * rx_queue->rx_ring_size, | 256 | sizeof(struct rxbd8) * priv->total_rx_ring_size, |
238 | &tx_queue->tx_bd_dma_base, GFP_KERNEL); | 257 | &addr, GFP_KERNEL); |
239 | if (!vaddr) { | 258 | if (!vaddr) { |
240 | if (netif_msg_ifup(priv)) | 259 | if (netif_msg_ifup(priv)) |
241 | pr_err("%s: Could not allocate buffer descriptors!\n", | 260 | pr_err("%s: Could not allocate buffer descriptors!\n", |
@@ -243,38 +262,57 @@ static int gfar_alloc_skb_resources(struct net_device *ndev) | |||
243 | return -ENOMEM; | 262 | return -ENOMEM; |
244 | } | 263 | } |
245 | 264 | ||
246 | tx_queue->tx_bd_base = vaddr; | 265 | for (i = 0; i < priv->num_tx_queues; i++) { |
247 | tx_queue->dev = ndev; | 266 | tx_queue = priv->tx_queue[i]; |
267 | tx_queue->tx_bd_base = (struct txbd8 *) vaddr; | ||
268 | tx_queue->tx_bd_dma_base = addr; | ||
269 | tx_queue->dev = ndev; | ||
270 | /* enet DMA only understands physical addresses */ | ||
271 | addr += sizeof(struct txbd8) *tx_queue->tx_ring_size; | ||
272 | vaddr += sizeof(struct txbd8) *tx_queue->tx_ring_size; | ||
273 | } | ||
248 | 274 | ||
249 | /* Start the rx descriptor ring where the tx ring leaves off */ | 275 | /* Start the rx descriptor ring where the tx ring leaves off */ |
250 | vaddr = vaddr + sizeof(*tx_queue->tx_bd_base) * tx_queue->tx_ring_size; | 276 | for (i = 0; i < priv->num_rx_queues; i++) { |
251 | rx_queue->rx_bd_base = vaddr; | 277 | rx_queue = priv->rx_queue[i]; |
252 | rx_queue->dev = ndev; | 278 | rx_queue->rx_bd_base = (struct rxbd8 *) vaddr; |
279 | rx_queue->rx_bd_dma_base = addr; | ||
280 | rx_queue->dev = ndev; | ||
281 | addr += sizeof (struct rxbd8) * rx_queue->rx_ring_size; | ||
282 | vaddr += sizeof (struct rxbd8) * rx_queue->rx_ring_size; | ||
283 | } | ||
253 | 284 | ||
254 | /* Setup the skbuff rings */ | 285 | /* Setup the skbuff rings */ |
255 | tx_queue->tx_skbuff = kmalloc(sizeof(*tx_queue->tx_skbuff) * | 286 | for (i = 0; i < priv->num_tx_queues; i++) { |
287 | tx_queue = priv->tx_queue[i]; | ||
288 | tx_queue->tx_skbuff = kmalloc(sizeof(*tx_queue->tx_skbuff) * | ||
256 | tx_queue->tx_ring_size, GFP_KERNEL); | 289 | tx_queue->tx_ring_size, GFP_KERNEL); |
257 | if (!tx_queue->tx_skbuff) { | 290 | if (!tx_queue->tx_skbuff) { |
258 | if (netif_msg_ifup(priv)) | 291 | if (netif_msg_ifup(priv)) |
259 | pr_err("%s: Could not allocate tx_skbuff\n", | 292 | pr_err("%s: Could not allocate tx_skbuff\n", |
260 | ndev->name); | 293 | ndev->name); |
261 | goto cleanup; | 294 | goto cleanup; |
262 | } | 295 | } |
263 | 296 | ||
264 | for (i = 0; i < tx_queue->tx_ring_size; i++) | 297 | for (k = 0; k < tx_queue->tx_ring_size; k++) |
265 | tx_queue->tx_skbuff[i] = NULL; | 298 | tx_queue->tx_skbuff[k] = NULL; |
299 | } | ||
266 | 300 | ||
267 | rx_queue->rx_skbuff = kmalloc(sizeof(*rx_queue->rx_skbuff) * | 301 | for (i = 0; i < priv->num_rx_queues; i++) { |
302 | rx_queue = priv->rx_queue[i]; | ||
303 | rx_queue->rx_skbuff = kmalloc(sizeof(*rx_queue->rx_skbuff) * | ||
268 | rx_queue->rx_ring_size, GFP_KERNEL); | 304 | rx_queue->rx_ring_size, GFP_KERNEL); |
269 | if (!rx_queue->rx_skbuff) { | ||
270 | if (netif_msg_ifup(priv)) | ||
271 | pr_err("%s: Could not allocate rx_skbuff\n", | ||
272 | ndev->name); | ||
273 | goto cleanup; | ||
274 | } | ||
275 | 305 | ||
276 | for (i = 0; i < rx_queue->rx_ring_size; i++) | 306 | if (!rx_queue->rx_skbuff) { |
277 | rx_queue->rx_skbuff[i] = NULL; | 307 | if (netif_msg_ifup(priv)) |
308 | pr_err("%s: Could not allocate rx_skbuff\n", | ||
309 | ndev->name); | ||
310 | goto cleanup; | ||
311 | } | ||
312 | |||
313 | for (j = 0; j < rx_queue->rx_ring_size; j++) | ||
314 | rx_queue->rx_skbuff[j] = NULL; | ||
315 | } | ||
278 | 316 | ||
279 | if (gfar_init_bds(ndev)) | 317 | if (gfar_init_bds(ndev)) |
280 | goto cleanup; | 318 | goto cleanup; |
@@ -286,33 +324,47 @@ cleanup: | |||
286 | return -ENOMEM; | 324 | return -ENOMEM; |
287 | } | 325 | } |
288 | 326 | ||
327 | static void gfar_init_tx_rx_base(struct gfar_private *priv) | ||
328 | { | ||
329 | struct gfar __iomem *regs = priv->gfargrp.regs; | ||
330 | u32 *baddr; | ||
331 | int i; | ||
332 | |||
333 | baddr = ®s->tbase0; | ||
334 | for(i = 0; i < priv->num_tx_queues; i++) { | ||
335 | gfar_write(baddr, priv->tx_queue[i]->tx_bd_dma_base); | ||
336 | baddr += 2; | ||
337 | } | ||
338 | |||
339 | baddr = ®s->rbase0; | ||
340 | for(i = 0; i < priv->num_rx_queues; i++) { | ||
341 | gfar_write(baddr, priv->rx_queue[i]->rx_bd_dma_base); | ||
342 | baddr += 2; | ||
343 | } | ||
344 | } | ||
345 | |||
289 | static void gfar_init_mac(struct net_device *ndev) | 346 | static void gfar_init_mac(struct net_device *ndev) |
290 | { | 347 | { |
291 | struct gfar_private *priv = netdev_priv(ndev); | 348 | struct gfar_private *priv = netdev_priv(ndev); |
292 | struct gfar_priv_tx_q *tx_queue = NULL; | ||
293 | struct gfar_priv_rx_q *rx_queue = NULL; | ||
294 | struct gfar __iomem *regs = priv->gfargrp.regs; | 349 | struct gfar __iomem *regs = priv->gfargrp.regs; |
295 | u32 rctrl = 0; | 350 | u32 rctrl = 0; |
296 | u32 tctrl = 0; | 351 | u32 tctrl = 0; |
297 | u32 attrs = 0; | 352 | u32 attrs = 0; |
298 | 353 | ||
299 | tx_queue = priv->tx_queue; | 354 | /* write the tx/rx base registers */ |
300 | rx_queue = priv->rx_queue; | 355 | gfar_init_tx_rx_base(priv); |
301 | |||
302 | /* enet DMA only understands physical addresses */ | ||
303 | gfar_write(®s->tbase0, tx_queue->tx_bd_dma_base); | ||
304 | gfar_write(®s->rbase0, tx_queue->tx_bd_dma_base + | ||
305 | sizeof(*tx_queue->tx_bd_base) * | ||
306 | tx_queue->tx_ring_size); | ||
307 | 356 | ||
308 | /* Configure the coalescing support */ | 357 | /* Configure the coalescing support */ |
309 | gfar_write(®s->txic, 0); | 358 | gfar_write(®s->txic, 0); |
310 | if (tx_queue->txcoalescing) | 359 | if (priv->tx_queue[0]->txcoalescing) |
311 | gfar_write(®s->txic, tx_queue->txic); | 360 | gfar_write(®s->txic, priv->tx_queue[0]->txic); |
312 | 361 | ||
313 | gfar_write(®s->rxic, 0); | 362 | gfar_write(®s->rxic, 0); |
314 | if (rx_queue->rxcoalescing) | 363 | if (priv->rx_queue[0]->rxcoalescing) |
315 | gfar_write(®s->rxic, rx_queue->rxic); | 364 | gfar_write(®s->rxic, priv->rx_queue[0]->rxic); |
365 | |||
366 | if (priv->rx_filer_enable) | ||
367 | rctrl |= RCTRL_FILREN; | ||
316 | 368 | ||
317 | if (priv->rx_csum_enable) | 369 | if (priv->rx_csum_enable) |
318 | rctrl |= RCTRL_CHECKSUMMING; | 370 | rctrl |= RCTRL_CHECKSUMMING; |
@@ -341,6 +393,8 @@ static void gfar_init_mac(struct net_device *ndev) | |||
341 | if (ndev->features & NETIF_F_IP_CSUM) | 393 | if (ndev->features & NETIF_F_IP_CSUM) |
342 | tctrl |= TCTRL_INIT_CSUM; | 394 | tctrl |= TCTRL_INIT_CSUM; |
343 | 395 | ||
396 | tctrl |= TCTRL_TXSCHED_PRIO; | ||
397 | |||
344 | gfar_write(®s->tctrl, tctrl); | 398 | gfar_write(®s->tctrl, tctrl); |
345 | 399 | ||
346 | /* Set the extraction length and index */ | 400 | /* Set the extraction length and index */ |
@@ -374,6 +428,7 @@ static const struct net_device_ops gfar_netdev_ops = { | |||
374 | .ndo_set_multicast_list = gfar_set_multi, | 428 | .ndo_set_multicast_list = gfar_set_multi, |
375 | .ndo_tx_timeout = gfar_timeout, | 429 | .ndo_tx_timeout = gfar_timeout, |
376 | .ndo_do_ioctl = gfar_ioctl, | 430 | .ndo_do_ioctl = gfar_ioctl, |
431 | .ndo_select_queue = gfar_select_queue, | ||
377 | .ndo_vlan_rx_register = gfar_vlan_rx_register, | 432 | .ndo_vlan_rx_register = gfar_vlan_rx_register, |
378 | .ndo_set_mac_address = eth_mac_addr, | 433 | .ndo_set_mac_address = eth_mac_addr, |
379 | .ndo_validate_addr = eth_validate_addr, | 434 | .ndo_validate_addr = eth_validate_addr, |
@@ -382,36 +437,131 @@ static const struct net_device_ops gfar_netdev_ops = { | |||
382 | #endif | 437 | #endif |
383 | }; | 438 | }; |
384 | 439 | ||
440 | void lock_rx_qs(struct gfar_private *priv) | ||
441 | { | ||
442 | int i = 0x0; | ||
443 | |||
444 | for (i = 0; i < priv->num_rx_queues; i++) | ||
445 | spin_lock(&priv->rx_queue[i]->rxlock); | ||
446 | } | ||
447 | |||
448 | void lock_tx_qs(struct gfar_private *priv) | ||
449 | { | ||
450 | int i = 0x0; | ||
451 | |||
452 | for (i = 0; i < priv->num_tx_queues; i++) | ||
453 | spin_lock(&priv->tx_queue[i]->txlock); | ||
454 | } | ||
455 | |||
456 | void unlock_rx_qs(struct gfar_private *priv) | ||
457 | { | ||
458 | int i = 0x0; | ||
459 | |||
460 | for (i = 0; i < priv->num_rx_queues; i++) | ||
461 | spin_unlock(&priv->rx_queue[i]->rxlock); | ||
462 | } | ||
463 | |||
464 | void unlock_tx_qs(struct gfar_private *priv) | ||
465 | { | ||
466 | int i = 0x0; | ||
467 | |||
468 | for (i = 0; i < priv->num_tx_queues; i++) | ||
469 | spin_unlock(&priv->tx_queue[i]->txlock); | ||
470 | } | ||
471 | |||
385 | /* Returns 1 if incoming frames use an FCB */ | 472 | /* Returns 1 if incoming frames use an FCB */ |
386 | static inline int gfar_uses_fcb(struct gfar_private *priv) | 473 | static inline int gfar_uses_fcb(struct gfar_private *priv) |
387 | { | 474 | { |
388 | return priv->vlgrp || priv->rx_csum_enable; | 475 | return priv->vlgrp || priv->rx_csum_enable; |
389 | } | 476 | } |
390 | 477 | ||
391 | static int gfar_of_init(struct net_device *dev) | 478 | u16 gfar_select_queue(struct net_device *dev, struct sk_buff *skb) |
479 | { | ||
480 | return skb_get_queue_mapping(skb); | ||
481 | } | ||
482 | static void free_tx_pointers(struct gfar_private *priv) | ||
483 | { | ||
484 | int i = 0; | ||
485 | |||
486 | for (i = 0; i < priv->num_tx_queues; i++) | ||
487 | kfree(priv->tx_queue[i]); | ||
488 | } | ||
489 | |||
490 | static void free_rx_pointers(struct gfar_private *priv) | ||
491 | { | ||
492 | int i = 0; | ||
493 | |||
494 | for (i = 0; i < priv->num_rx_queues; i++) | ||
495 | kfree(priv->rx_queue[i]); | ||
496 | } | ||
497 | |||
498 | static int gfar_of_init(struct of_device *ofdev, struct net_device **pdev) | ||
392 | { | 499 | { |
393 | const char *model; | 500 | const char *model; |
394 | const char *ctype; | 501 | const char *ctype; |
395 | const void *mac_addr; | 502 | const void *mac_addr; |
396 | u64 addr, size; | 503 | u64 addr, size; |
397 | int err = 0; | 504 | int err = 0, i; |
398 | struct gfar_private *priv = netdev_priv(dev); | 505 | struct net_device *dev = NULL; |
399 | struct device_node *np = priv->node; | 506 | struct gfar_private *priv = NULL; |
507 | struct device_node *np = ofdev->node; | ||
400 | const u32 *stash; | 508 | const u32 *stash; |
401 | const u32 *stash_len; | 509 | const u32 *stash_len; |
402 | const u32 *stash_idx; | 510 | const u32 *stash_idx; |
511 | unsigned int num_tx_qs, num_rx_qs; | ||
512 | u32 *tx_queues, *rx_queues; | ||
403 | 513 | ||
404 | if (!np || !of_device_is_available(np)) | 514 | if (!np || !of_device_is_available(np)) |
405 | return -ENODEV; | 515 | return -ENODEV; |
406 | 516 | ||
517 | /* parse the num of tx and rx queues */ | ||
518 | tx_queues = (u32 *)of_get_property(np, "fsl,num_tx_queues", NULL); | ||
519 | num_tx_qs = tx_queues ? *tx_queues : 1; | ||
520 | |||
521 | if (num_tx_qs > MAX_TX_QS) { | ||
522 | printk(KERN_ERR "num_tx_qs(=%d) greater than MAX_TX_QS(=%d)\n", | ||
523 | num_tx_qs, MAX_TX_QS); | ||
524 | printk(KERN_ERR "Cannot do alloc_etherdev, aborting\n"); | ||
525 | return -EINVAL; | ||
526 | } | ||
527 | |||
528 | rx_queues = (u32 *)of_get_property(np, "fsl,num_rx_queues", NULL); | ||
529 | num_rx_qs = rx_queues ? *rx_queues : 1; | ||
530 | |||
531 | if (num_rx_qs > MAX_RX_QS) { | ||
532 | printk(KERN_ERR "num_rx_qs(=%d) greater than MAX_RX_QS(=%d)\n", | ||
533 | num_tx_qs, MAX_TX_QS); | ||
534 | printk(KERN_ERR "Cannot do alloc_etherdev, aborting\n"); | ||
535 | return -EINVAL; | ||
536 | } | ||
537 | |||
538 | *pdev = alloc_etherdev_mq(sizeof(*priv), num_tx_qs); | ||
539 | dev = *pdev; | ||
540 | if (NULL == dev) | ||
541 | return -ENOMEM; | ||
542 | |||
543 | priv = netdev_priv(dev); | ||
544 | priv->node = ofdev->node; | ||
545 | priv->ndev = dev; | ||
546 | |||
547 | dev->num_tx_queues = num_tx_qs; | ||
548 | dev->real_num_tx_queues = num_tx_qs; | ||
549 | priv->num_tx_queues = num_tx_qs; | ||
550 | priv->num_rx_queues = num_rx_qs; | ||
551 | |||
407 | /* get a pointer to the register memory */ | 552 | /* get a pointer to the register memory */ |
408 | addr = of_translate_address(np, of_get_address(np, 0, &size, NULL)); | 553 | addr = of_translate_address(np, of_get_address(np, 0, &size, NULL)); |
409 | priv->gfargrp.regs = ioremap(addr, size); | 554 | priv->gfargrp.regs = ioremap(addr, size); |
410 | 555 | ||
411 | if (priv->gfargrp.regs == NULL) | 556 | if (priv->gfargrp.regs == NULL) { |
412 | return -ENOMEM; | 557 | err = -ENOMEM; |
558 | goto err_out; | ||
559 | } | ||
413 | 560 | ||
414 | priv->gfargrp.priv = priv; /* back pointer from group to priv */ | 561 | priv->gfargrp.priv = priv; /* back pointer from group to priv */ |
562 | priv->gfargrp.rx_bit_map = DEFAULT_MAPPING; | ||
563 | priv->gfargrp.tx_bit_map = DEFAULT_MAPPING; | ||
564 | |||
415 | priv->gfargrp.interruptTransmit = irq_of_parse_and_map(np, 0); | 565 | priv->gfargrp.interruptTransmit = irq_of_parse_and_map(np, 0); |
416 | 566 | ||
417 | model = of_get_property(np, "model", NULL); | 567 | model = of_get_property(np, "model", NULL); |
@@ -430,6 +580,38 @@ static int gfar_of_init(struct net_device *dev) | |||
430 | } | 580 | } |
431 | } | 581 | } |
432 | 582 | ||
583 | for (i = 0; i < priv->num_tx_queues; i++) | ||
584 | priv->tx_queue[i] = NULL; | ||
585 | for (i = 0; i < priv->num_rx_queues; i++) | ||
586 | priv->rx_queue[i] = NULL; | ||
587 | |||
588 | for (i = 0; i < priv->num_tx_queues; i++) { | ||
589 | priv->tx_queue[i] = (struct gfar_priv_tx_q *)kmalloc( | ||
590 | sizeof (struct gfar_priv_tx_q), GFP_KERNEL); | ||
591 | if (!priv->tx_queue[i]) { | ||
592 | err = -ENOMEM; | ||
593 | goto tx_alloc_failed; | ||
594 | } | ||
595 | priv->tx_queue[i]->tx_skbuff = NULL; | ||
596 | priv->tx_queue[i]->qindex = i; | ||
597 | priv->tx_queue[i]->dev = dev; | ||
598 | spin_lock_init(&(priv->tx_queue[i]->txlock)); | ||
599 | } | ||
600 | |||
601 | for (i = 0; i < priv->num_rx_queues; i++) { | ||
602 | priv->rx_queue[i] = (struct gfar_priv_rx_q *)kmalloc( | ||
603 | sizeof (struct gfar_priv_rx_q), GFP_KERNEL); | ||
604 | if (!priv->rx_queue[i]) { | ||
605 | err = -ENOMEM; | ||
606 | goto rx_alloc_failed; | ||
607 | } | ||
608 | priv->rx_queue[i]->rx_skbuff = NULL; | ||
609 | priv->rx_queue[i]->qindex = i; | ||
610 | priv->rx_queue[i]->dev = dev; | ||
611 | spin_lock_init(&(priv->rx_queue[i]->rxlock)); | ||
612 | } | ||
613 | |||
614 | |||
433 | stash = of_get_property(np, "bd-stash", NULL); | 615 | stash = of_get_property(np, "bd-stash", NULL); |
434 | 616 | ||
435 | if (stash) { | 617 | if (stash) { |
@@ -490,8 +672,13 @@ static int gfar_of_init(struct net_device *dev) | |||
490 | 672 | ||
491 | return 0; | 673 | return 0; |
492 | 674 | ||
675 | rx_alloc_failed: | ||
676 | free_rx_pointers(priv); | ||
677 | tx_alloc_failed: | ||
678 | free_tx_pointers(priv); | ||
493 | err_out: | 679 | err_out: |
494 | iounmap(priv->gfargrp.regs); | 680 | iounmap(priv->gfargrp.regs); |
681 | free_netdev(dev); | ||
495 | return err; | 682 | return err; |
496 | } | 683 | } |
497 | 684 | ||
@@ -509,6 +696,17 @@ static int gfar_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) | |||
509 | return phy_mii_ioctl(priv->phydev, if_mii(rq), cmd); | 696 | return phy_mii_ioctl(priv->phydev, if_mii(rq), cmd); |
510 | } | 697 | } |
511 | 698 | ||
699 | static unsigned int reverse_bitmap(unsigned int bit_map, unsigned int max_qs) | ||
700 | { | ||
701 | unsigned int new_bit_map = 0x0; | ||
702 | int mask = 0x1 << (max_qs - 1), i; | ||
703 | for (i = 0; i < max_qs; i++) { | ||
704 | if (bit_map & mask) | ||
705 | new_bit_map = new_bit_map + (1 << i); | ||
706 | mask = mask >> 0x1; | ||
707 | } | ||
708 | return new_bit_map; | ||
709 | } | ||
512 | /* Set up the ethernet device structure, private data, | 710 | /* Set up the ethernet device structure, private data, |
513 | * and anything else we need before we start */ | 711 | * and anything else we need before we start */ |
514 | static int gfar_probe(struct of_device *ofdev, | 712 | static int gfar_probe(struct of_device *ofdev, |
@@ -518,14 +716,14 @@ static int gfar_probe(struct of_device *ofdev, | |||
518 | struct net_device *dev = NULL; | 716 | struct net_device *dev = NULL; |
519 | struct gfar_private *priv = NULL; | 717 | struct gfar_private *priv = NULL; |
520 | struct gfar __iomem *regs = NULL; | 718 | struct gfar __iomem *regs = NULL; |
521 | int err = 0; | 719 | int err = 0, i; |
522 | int len_devname; | 720 | int len_devname; |
721 | u32 rstat = 0, tstat = 0, rqueue = 0, tqueue = 0; | ||
523 | 722 | ||
524 | /* Create an ethernet device instance */ | 723 | err = gfar_of_init(ofdev, &dev); |
525 | dev = alloc_etherdev(sizeof (*priv)); | ||
526 | 724 | ||
527 | if (NULL == dev) | 725 | if (err) |
528 | return -ENOMEM; | 726 | return err; |
529 | 727 | ||
530 | priv = netdev_priv(dev); | 728 | priv = netdev_priv(dev); |
531 | priv->ndev = dev; | 729 | priv->ndev = dev; |
@@ -533,23 +731,6 @@ static int gfar_probe(struct of_device *ofdev, | |||
533 | priv->node = ofdev->node; | 731 | priv->node = ofdev->node; |
534 | SET_NETDEV_DEV(dev, &ofdev->dev); | 732 | SET_NETDEV_DEV(dev, &ofdev->dev); |
535 | 733 | ||
536 | err = gfar_of_init(dev); | ||
537 | |||
538 | if (err) | ||
539 | goto regs_fail; | ||
540 | |||
541 | priv->tx_queue = (struct gfar_priv_tx_q *)kmalloc( | ||
542 | sizeof (struct gfar_priv_tx_q), GFP_KERNEL); | ||
543 | if (!priv->tx_queue) | ||
544 | goto regs_fail; | ||
545 | |||
546 | priv->rx_queue = (struct gfar_priv_rx_q *)kmalloc( | ||
547 | sizeof (struct gfar_priv_rx_q), GFP_KERNEL); | ||
548 | if (!priv->rx_queue) | ||
549 | goto rx_queue_fail; | ||
550 | |||
551 | spin_lock_init(&priv->tx_queue->txlock); | ||
552 | spin_lock_init(&priv->rx_queue->rxlock); | ||
553 | spin_lock_init(&priv->gfargrp.grplock); | 734 | spin_lock_init(&priv->gfargrp.grplock); |
554 | spin_lock_init(&priv->bflock); | 735 | spin_lock_init(&priv->bflock); |
555 | INIT_WORK(&priv->reset_task, gfar_reset_task); | 736 | INIT_WORK(&priv->reset_task, gfar_reset_task); |
@@ -587,8 +768,8 @@ static int gfar_probe(struct of_device *ofdev, | |||
587 | dev->netdev_ops = &gfar_netdev_ops; | 768 | dev->netdev_ops = &gfar_netdev_ops; |
588 | dev->ethtool_ops = &gfar_ethtool_ops; | 769 | dev->ethtool_ops = &gfar_ethtool_ops; |
589 | 770 | ||
590 | /* Register for napi ...NAPI is for each rx_queue */ | 771 | /* Register for napi ...We are registering NAPI for each grp */ |
591 | netif_napi_add(dev, &priv->rx_queue->napi, gfar_poll, GFAR_DEV_WEIGHT); | 772 | netif_napi_add(dev, &priv->gfargrp.napi, gfar_poll, GFAR_DEV_WEIGHT); |
592 | 773 | ||
593 | if (priv->device_flags & FSL_GIANFAR_DEV_HAS_CSUM) { | 774 | if (priv->device_flags & FSL_GIANFAR_DEV_HAS_CSUM) { |
594 | priv->rx_csum_enable = 1; | 775 | priv->rx_csum_enable = 1; |
@@ -644,17 +825,44 @@ static int gfar_probe(struct of_device *ofdev, | |||
644 | if (dev->features & NETIF_F_IP_CSUM) | 825 | if (dev->features & NETIF_F_IP_CSUM) |
645 | dev->hard_header_len += GMAC_FCB_LEN; | 826 | dev->hard_header_len += GMAC_FCB_LEN; |
646 | 827 | ||
828 | /* Need to reverse the bit maps as bit_map's MSB is q0 | ||
829 | * but, for_each_bit parses from right to left, which | ||
830 | * basically reverses the queue numbers */ | ||
831 | priv->gfargrp.tx_bit_map = reverse_bitmap(priv->gfargrp.tx_bit_map, MAX_TX_QS); | ||
832 | priv->gfargrp.rx_bit_map = reverse_bitmap(priv->gfargrp.rx_bit_map, MAX_RX_QS); | ||
833 | |||
834 | /* Calculate RSTAT, TSTAT, RQUEUE and TQUEUE values */ | ||
835 | for_each_bit(i, &priv->gfargrp.rx_bit_map, priv->num_rx_queues) { | ||
836 | priv->gfargrp.num_rx_queues++; | ||
837 | rstat = rstat | (RSTAT_CLEAR_RHALT >> i); | ||
838 | rqueue = rqueue | ((RQUEUE_EN0 | RQUEUE_EX0) >> i); | ||
839 | } | ||
840 | for_each_bit (i, &priv->gfargrp.tx_bit_map, priv->num_tx_queues) { | ||
841 | priv->gfargrp.num_tx_queues++; | ||
842 | tstat = tstat | (TSTAT_CLEAR_THALT >> i); | ||
843 | tqueue = tqueue | (TQUEUE_EN0 >> i); | ||
844 | } | ||
845 | priv->gfargrp.rstat = rstat; | ||
846 | priv->gfargrp.tstat = tstat; | ||
847 | |||
848 | gfar_write(®s->rqueue, rqueue); | ||
849 | gfar_write(®s->tqueue, tqueue); | ||
850 | |||
647 | priv->rx_buffer_size = DEFAULT_RX_BUFFER_SIZE; | 851 | priv->rx_buffer_size = DEFAULT_RX_BUFFER_SIZE; |
648 | 852 | ||
649 | /* Initializing some of the rx/tx queue level parameters */ | 853 | /* Initializing some of the rx/tx queue level parameters */ |
650 | priv->tx_queue->tx_ring_size = DEFAULT_TX_RING_SIZE; | 854 | for (i = 0; i < priv->num_tx_queues; i++) { |
651 | priv->tx_queue->num_txbdfree = DEFAULT_TX_RING_SIZE; | 855 | priv->tx_queue[i]->tx_ring_size = DEFAULT_TX_RING_SIZE; |
652 | priv->tx_queue->txcoalescing = DEFAULT_TX_COALESCE; | 856 | priv->tx_queue[i]->num_txbdfree = DEFAULT_TX_RING_SIZE; |
653 | priv->tx_queue->txic = DEFAULT_TXIC; | 857 | priv->tx_queue[i]->txcoalescing = DEFAULT_TX_COALESCE; |
858 | priv->tx_queue[i]->txic = DEFAULT_TXIC; | ||
859 | } | ||
654 | 860 | ||
655 | priv->rx_queue->rx_ring_size = DEFAULT_RX_RING_SIZE; | 861 | for (i = 0; i < priv->num_rx_queues; i++) { |
656 | priv->rx_queue->rxcoalescing = DEFAULT_RX_COALESCE; | 862 | priv->rx_queue[i]->rx_ring_size = DEFAULT_RX_RING_SIZE; |
657 | priv->rx_queue->rxic = DEFAULT_RXIC; | 863 | priv->rx_queue[i]->rxcoalescing = DEFAULT_RX_COALESCE; |
864 | priv->rx_queue[i]->rxic = DEFAULT_RXIC; | ||
865 | } | ||
658 | 866 | ||
659 | /* Enable most messages by default */ | 867 | /* Enable most messages by default */ |
660 | priv->msg_enable = (NETIF_MSG_IFUP << 1 ) - 1; | 868 | priv->msg_enable = (NETIF_MSG_IFUP << 1 ) - 1; |
@@ -699,17 +907,19 @@ static int gfar_probe(struct of_device *ofdev, | |||
699 | /* Even more device info helps when determining which kernel */ | 907 | /* Even more device info helps when determining which kernel */ |
700 | /* provided which set of benchmarks. */ | 908 | /* provided which set of benchmarks. */ |
701 | printk(KERN_INFO "%s: Running with NAPI enabled\n", dev->name); | 909 | printk(KERN_INFO "%s: Running with NAPI enabled\n", dev->name); |
702 | printk(KERN_INFO "%s: %d/%d RX/TX BD ring size\n", | 910 | for (i = 0; i < priv->num_rx_queues; i++) |
703 | dev->name, priv->rx_queue->rx_ring_size, priv->tx_queue->tx_ring_size); | 911 | printk(KERN_INFO "%s: :RX BD ring size for Q[%d]: %d\n", |
912 | dev->name, i, priv->rx_queue[i]->rx_ring_size); | ||
913 | for(i = 0; i < priv->num_tx_queues; i++) | ||
914 | printk(KERN_INFO "%s:TX BD ring size for Q[%d]: %d\n", | ||
915 | dev->name, i, priv->tx_queue[i]->tx_ring_size); | ||
704 | 916 | ||
705 | return 0; | 917 | return 0; |
706 | 918 | ||
707 | register_fail: | 919 | register_fail: |
708 | iounmap(priv->gfargrp.regs); | 920 | iounmap(priv->gfargrp.regs); |
709 | kfree(priv->rx_queue); | 921 | free_tx_pointers(priv); |
710 | rx_queue_fail: | 922 | free_rx_pointers(priv); |
711 | kfree(priv->tx_queue); | ||
712 | regs_fail: | ||
713 | if (priv->phy_node) | 923 | if (priv->phy_node) |
714 | of_node_put(priv->phy_node); | 924 | of_node_put(priv->phy_node); |
715 | if (priv->tbi_node) | 925 | if (priv->tbi_node) |
@@ -742,8 +952,6 @@ static int gfar_suspend(struct device *dev) | |||
742 | { | 952 | { |
743 | struct gfar_private *priv = dev_get_drvdata(dev); | 953 | struct gfar_private *priv = dev_get_drvdata(dev); |
744 | struct net_device *ndev = priv->ndev; | 954 | struct net_device *ndev = priv->ndev; |
745 | struct gfar_priv_tx_q *tx_queue = NULL; | ||
746 | struct gfar_priv_rx_q *rx_queue = NULL; | ||
747 | struct gfar __iomem *regs = NULL; | 955 | struct gfar __iomem *regs = NULL; |
748 | unsigned long flags; | 956 | unsigned long flags; |
749 | u32 tempval; | 957 | u32 tempval; |
@@ -752,13 +960,13 @@ static int gfar_suspend(struct device *dev) | |||
752 | (priv->device_flags & FSL_GIANFAR_DEV_HAS_MAGIC_PACKET); | 960 | (priv->device_flags & FSL_GIANFAR_DEV_HAS_MAGIC_PACKET); |
753 | 961 | ||
754 | netif_device_detach(ndev); | 962 | netif_device_detach(ndev); |
755 | tx_queue = priv->tx_queue; | ||
756 | rx_queue = priv->rx_queue; | ||
757 | regs = priv->gfargrp.regs; | 963 | regs = priv->gfargrp.regs; |
758 | 964 | ||
759 | if (netif_running(ndev)) { | 965 | if (netif_running(ndev)) { |
760 | spin_lock_irqsave(&tx_queue->txlock, flags); | 966 | |
761 | spin_lock(&rx_queue->rxlock); | 967 | local_irq_save(flags); |
968 | lock_tx_qs(priv); | ||
969 | lock_rx_qs(priv); | ||
762 | 970 | ||
763 | gfar_halt_nodisable(ndev); | 971 | gfar_halt_nodisable(ndev); |
764 | 972 | ||
@@ -772,10 +980,11 @@ static int gfar_suspend(struct device *dev) | |||
772 | 980 | ||
773 | gfar_write(®s->maccfg1, tempval); | 981 | gfar_write(®s->maccfg1, tempval); |
774 | 982 | ||
775 | spin_unlock(&rx_queue->rxlock); | 983 | unlock_rx_qs(priv); |
776 | spin_unlock_irqrestore(&tx_queue->txlock, flags); | 984 | unlock_tx_qs(priv); |
985 | local_irq_restore(flags); | ||
777 | 986 | ||
778 | napi_disable(&rx_queue->napi); | 987 | napi_disable(&priv->gfargrp.napi); |
779 | 988 | ||
780 | if (magic_packet) { | 989 | if (magic_packet) { |
781 | /* Enable interrupt on Magic Packet */ | 990 | /* Enable interrupt on Magic Packet */ |
@@ -797,8 +1006,6 @@ static int gfar_resume(struct device *dev) | |||
797 | { | 1006 | { |
798 | struct gfar_private *priv = dev_get_drvdata(dev); | 1007 | struct gfar_private *priv = dev_get_drvdata(dev); |
799 | struct net_device *ndev = priv->ndev; | 1008 | struct net_device *ndev = priv->ndev; |
800 | struct gfar_priv_tx_q *tx_queue = NULL; | ||
801 | struct gfar_priv_rx_q *rx_queue = NULL; | ||
802 | struct gfar __iomem *regs = NULL; | 1009 | struct gfar __iomem *regs = NULL; |
803 | unsigned long flags; | 1010 | unsigned long flags; |
804 | u32 tempval; | 1011 | u32 tempval; |
@@ -816,12 +1023,11 @@ static int gfar_resume(struct device *dev) | |||
816 | /* Disable Magic Packet mode, in case something | 1023 | /* Disable Magic Packet mode, in case something |
817 | * else woke us up. | 1024 | * else woke us up. |
818 | */ | 1025 | */ |
819 | rx_queue = priv->rx_queue; | ||
820 | tx_queue = priv->tx_queue; | ||
821 | regs = priv->gfargrp.regs; | 1026 | regs = priv->gfargrp.regs; |
822 | 1027 | ||
823 | spin_lock_irqsave(&tx_queue->txlock, flags); | 1028 | local_irq_save(flags); |
824 | spin_lock(&rx_queue->rxlock); | 1029 | lock_tx_qs(priv); |
1030 | lock_rx_qs(priv); | ||
825 | 1031 | ||
826 | tempval = gfar_read(®s->maccfg2); | 1032 | tempval = gfar_read(®s->maccfg2); |
827 | tempval &= ~MACCFG2_MPEN; | 1033 | tempval &= ~MACCFG2_MPEN; |
@@ -829,12 +1035,13 @@ static int gfar_resume(struct device *dev) | |||
829 | 1035 | ||
830 | gfar_start(ndev); | 1036 | gfar_start(ndev); |
831 | 1037 | ||
832 | spin_unlock(&rx_queue->rxlock); | 1038 | unlock_rx_qs(priv); |
833 | spin_unlock_irqrestore(&tx_queue->txlock, flags); | 1039 | unlock_tx_qs(priv); |
1040 | local_irq_restore(flags); | ||
834 | 1041 | ||
835 | netif_device_attach(ndev); | 1042 | netif_device_attach(ndev); |
836 | 1043 | ||
837 | napi_enable(&rx_queue->napi); | 1044 | napi_enable(&priv->gfargrp.napi); |
838 | 1045 | ||
839 | return 0; | 1046 | return 0; |
840 | } | 1047 | } |
@@ -861,7 +1068,7 @@ static int gfar_restore(struct device *dev) | |||
861 | phy_start(priv->phydev); | 1068 | phy_start(priv->phydev); |
862 | 1069 | ||
863 | netif_device_attach(ndev); | 1070 | netif_device_attach(ndev); |
864 | napi_enable(&priv->napi); | 1071 | napi_enable(&priv->gfargrp.napi); |
865 | 1072 | ||
866 | return 0; | 1073 | return 0; |
867 | } | 1074 | } |
@@ -1115,23 +1322,21 @@ void gfar_halt(struct net_device *dev) | |||
1115 | void stop_gfar(struct net_device *dev) | 1322 | void stop_gfar(struct net_device *dev) |
1116 | { | 1323 | { |
1117 | struct gfar_private *priv = netdev_priv(dev); | 1324 | struct gfar_private *priv = netdev_priv(dev); |
1118 | struct gfar_priv_tx_q *tx_queue = NULL; | ||
1119 | struct gfar_priv_rx_q *rx_queue = NULL; | ||
1120 | unsigned long flags; | 1325 | unsigned long flags; |
1121 | 1326 | ||
1122 | phy_stop(priv->phydev); | 1327 | phy_stop(priv->phydev); |
1123 | 1328 | ||
1124 | tx_queue = priv->tx_queue; | ||
1125 | rx_queue = priv->rx_queue; | ||
1126 | 1329 | ||
1127 | /* Lock it down */ | 1330 | /* Lock it down */ |
1128 | spin_lock_irqsave(&tx_queue->txlock, flags); | 1331 | local_irq_save(flags); |
1129 | spin_lock(&rx_queue->rxlock); | 1332 | lock_tx_qs(priv); |
1333 | lock_rx_qs(priv); | ||
1130 | 1334 | ||
1131 | gfar_halt(dev); | 1335 | gfar_halt(dev); |
1132 | 1336 | ||
1133 | spin_unlock(&rx_queue->rxlock); | 1337 | unlock_rx_qs(priv); |
1134 | spin_unlock_irqrestore(&tx_queue->txlock, flags); | 1338 | unlock_tx_qs(priv); |
1339 | local_irq_restore(flags); | ||
1135 | 1340 | ||
1136 | /* Free the IRQs */ | 1341 | /* Free the IRQs */ |
1137 | if (priv->device_flags & FSL_GIANFAR_DEV_HAS_MULTI_INTR) { | 1342 | if (priv->device_flags & FSL_GIANFAR_DEV_HAS_MULTI_INTR) { |
@@ -1145,24 +1350,14 @@ void stop_gfar(struct net_device *dev) | |||
1145 | free_skb_resources(priv); | 1350 | free_skb_resources(priv); |
1146 | } | 1351 | } |
1147 | 1352 | ||
1148 | /* If there are any tx skbs or rx skbs still around, free them. | 1353 | static void free_skb_tx_queue(struct gfar_priv_tx_q *tx_queue) |
1149 | * Then free tx_skbuff and rx_skbuff */ | ||
1150 | static void free_skb_resources(struct gfar_private *priv) | ||
1151 | { | 1354 | { |
1152 | struct device *dev = &priv->ofdev->dev; | ||
1153 | struct rxbd8 *rxbdp; | ||
1154 | struct txbd8 *txbdp; | 1355 | struct txbd8 *txbdp; |
1155 | struct gfar_priv_tx_q *tx_queue = NULL; | 1356 | struct gfar_private *priv = netdev_priv(tx_queue->dev); |
1156 | struct gfar_priv_rx_q *rx_queue = NULL; | ||
1157 | int i, j; | 1357 | int i, j; |
1158 | 1358 | ||
1159 | /* Go through all the buffer descriptors and free their data buffers */ | ||
1160 | tx_queue = priv->tx_queue; | ||
1161 | txbdp = tx_queue->tx_bd_base; | 1359 | txbdp = tx_queue->tx_bd_base; |
1162 | 1360 | ||
1163 | if (!tx_queue->tx_skbuff) | ||
1164 | goto skip_tx_skbuff; | ||
1165 | |||
1166 | for (i = 0; i < tx_queue->tx_ring_size; i++) { | 1361 | for (i = 0; i < tx_queue->tx_ring_size; i++) { |
1167 | if (!tx_queue->tx_skbuff[i]) | 1362 | if (!tx_queue->tx_skbuff[i]) |
1168 | continue; | 1363 | continue; |
@@ -1170,7 +1365,8 @@ static void free_skb_resources(struct gfar_private *priv) | |||
1170 | dma_unmap_single(&priv->ofdev->dev, txbdp->bufPtr, | 1365 | dma_unmap_single(&priv->ofdev->dev, txbdp->bufPtr, |
1171 | txbdp->length, DMA_TO_DEVICE); | 1366 | txbdp->length, DMA_TO_DEVICE); |
1172 | txbdp->lstatus = 0; | 1367 | txbdp->lstatus = 0; |
1173 | for (j = 0; j < skb_shinfo(tx_queue->tx_skbuff[i])->nr_frags; j++) { | 1368 | for (j = 0; j < skb_shinfo(tx_queue->tx_skbuff[i])->nr_frags; |
1369 | j++) { | ||
1174 | txbdp++; | 1370 | txbdp++; |
1175 | dma_unmap_page(&priv->ofdev->dev, txbdp->bufPtr, | 1371 | dma_unmap_page(&priv->ofdev->dev, txbdp->bufPtr, |
1176 | txbdp->length, DMA_TO_DEVICE); | 1372 | txbdp->length, DMA_TO_DEVICE); |
@@ -1179,36 +1375,58 @@ static void free_skb_resources(struct gfar_private *priv) | |||
1179 | dev_kfree_skb_any(tx_queue->tx_skbuff[i]); | 1375 | dev_kfree_skb_any(tx_queue->tx_skbuff[i]); |
1180 | tx_queue->tx_skbuff[i] = NULL; | 1376 | tx_queue->tx_skbuff[i] = NULL; |
1181 | } | 1377 | } |
1182 | |||
1183 | kfree(tx_queue->tx_skbuff); | 1378 | kfree(tx_queue->tx_skbuff); |
1184 | skip_tx_skbuff: | 1379 | } |
1185 | 1380 | ||
1186 | rx_queue = priv->rx_queue; | 1381 | static void free_skb_rx_queue(struct gfar_priv_rx_q *rx_queue) |
1187 | rxbdp = rx_queue->rx_bd_base; | 1382 | { |
1383 | struct rxbd8 *rxbdp; | ||
1384 | struct gfar_private *priv = netdev_priv(rx_queue->dev); | ||
1385 | int i; | ||
1188 | 1386 | ||
1189 | if (!rx_queue->rx_skbuff) | 1387 | rxbdp = rx_queue->rx_bd_base; |
1190 | goto skip_rx_skbuff; | ||
1191 | 1388 | ||
1192 | for (i = 0; i < rx_queue->rx_ring_size; i++) { | 1389 | for (i = 0; i < rx_queue->rx_ring_size; i++) { |
1193 | if (rx_queue->rx_skbuff[i]) { | 1390 | if (rx_queue->rx_skbuff[i]) { |
1194 | dma_unmap_single(&priv->ofdev->dev, rxbdp->bufPtr, | 1391 | dma_unmap_single(&priv->ofdev->dev, |
1195 | priv->rx_buffer_size, | 1392 | rxbdp->bufPtr, priv->rx_buffer_size, |
1196 | DMA_FROM_DEVICE); | 1393 | DMA_FROM_DEVICE); |
1197 | dev_kfree_skb_any(rx_queue->rx_skbuff[i]); | 1394 | dev_kfree_skb_any(rx_queue->rx_skbuff[i]); |
1198 | rx_queue->rx_skbuff[i] = NULL; | 1395 | rx_queue->rx_skbuff[i] = NULL; |
1199 | } | 1396 | } |
1200 | |||
1201 | rxbdp->lstatus = 0; | 1397 | rxbdp->lstatus = 0; |
1202 | rxbdp->bufPtr = 0; | 1398 | rxbdp->bufPtr = 0; |
1203 | rxbdp++; | 1399 | rxbdp++; |
1204 | } | 1400 | } |
1205 | |||
1206 | kfree(rx_queue->rx_skbuff); | 1401 | kfree(rx_queue->rx_skbuff); |
1207 | skip_rx_skbuff: | 1402 | } |
1208 | 1403 | ||
1209 | dma_free_coherent(dev, sizeof(*txbdp) * tx_queue->tx_ring_size + | 1404 | /* If there are any tx skbs or rx skbs still around, free them. |
1210 | sizeof(*rxbdp) * rx_queue->rx_ring_size, | 1405 | * Then free tx_skbuff and rx_skbuff */ |
1211 | tx_queue->tx_bd_base, tx_queue->tx_bd_dma_base); | 1406 | static void free_skb_resources(struct gfar_private *priv) |
1407 | { | ||
1408 | struct gfar_priv_tx_q *tx_queue = NULL; | ||
1409 | struct gfar_priv_rx_q *rx_queue = NULL; | ||
1410 | int i; | ||
1411 | |||
1412 | /* Go through all the buffer descriptors and free their data buffers */ | ||
1413 | for (i = 0; i < priv->num_tx_queues; i++) { | ||
1414 | tx_queue = priv->tx_queue[i]; | ||
1415 | if(!tx_queue->tx_skbuff) | ||
1416 | free_skb_tx_queue(tx_queue); | ||
1417 | } | ||
1418 | |||
1419 | for (i = 0; i < priv->num_rx_queues; i++) { | ||
1420 | rx_queue = priv->rx_queue[i]; | ||
1421 | if(!rx_queue->rx_skbuff) | ||
1422 | free_skb_rx_queue(rx_queue); | ||
1423 | } | ||
1424 | |||
1425 | dma_free_coherent(&priv->ofdev->dev, | ||
1426 | sizeof(struct txbd8) * priv->total_tx_ring_size + | ||
1427 | sizeof(struct rxbd8) * priv->total_rx_ring_size, | ||
1428 | priv->tx_queue[0]->tx_bd_base, | ||
1429 | priv->tx_queue[0]->tx_bd_dma_base); | ||
1212 | } | 1430 | } |
1213 | 1431 | ||
1214 | void gfar_start(struct net_device *dev) | 1432 | void gfar_start(struct net_device *dev) |
@@ -1233,8 +1451,8 @@ void gfar_start(struct net_device *dev) | |||
1233 | gfar_write(®s->dmactrl, tempval); | 1451 | gfar_write(®s->dmactrl, tempval); |
1234 | 1452 | ||
1235 | /* Clear THLT/RHLT, so that the DMA starts polling now */ | 1453 | /* Clear THLT/RHLT, so that the DMA starts polling now */ |
1236 | gfar_write(®s->tstat, TSTAT_CLEAR_THALT); | 1454 | gfar_write(®s->tstat, priv->gfargrp.tstat); |
1237 | gfar_write(®s->rstat, RSTAT_CLEAR_RHALT); | 1455 | gfar_write(®s->rstat, priv->gfargrp.rstat); |
1238 | 1456 | ||
1239 | /* Unmask the interrupts we look for */ | 1457 | /* Unmask the interrupts we look for */ |
1240 | gfar_write(®s->imask, IMASK_DEFAULT); | 1458 | gfar_write(®s->imask, IMASK_DEFAULT); |
@@ -1329,7 +1547,7 @@ static int gfar_enet_open(struct net_device *dev) | |||
1329 | struct gfar_private *priv = netdev_priv(dev); | 1547 | struct gfar_private *priv = netdev_priv(dev); |
1330 | int err; | 1548 | int err; |
1331 | 1549 | ||
1332 | napi_enable(&priv->rx_queue->napi); | 1550 | napi_enable(&priv->gfargrp.napi); |
1333 | 1551 | ||
1334 | skb_queue_head_init(&priv->rx_recycle); | 1552 | skb_queue_head_init(&priv->rx_recycle); |
1335 | 1553 | ||
@@ -1341,17 +1559,17 @@ static int gfar_enet_open(struct net_device *dev) | |||
1341 | err = init_phy(dev); | 1559 | err = init_phy(dev); |
1342 | 1560 | ||
1343 | if (err) { | 1561 | if (err) { |
1344 | napi_disable(&priv->rx_queue->napi); | 1562 | napi_disable(&priv->gfargrp.napi); |
1345 | return err; | 1563 | return err; |
1346 | } | 1564 | } |
1347 | 1565 | ||
1348 | err = startup_gfar(dev); | 1566 | err = startup_gfar(dev); |
1349 | if (err) { | 1567 | if (err) { |
1350 | napi_disable(&priv->rx_queue->napi); | 1568 | napi_disable(&priv->gfargrp.napi); |
1351 | return err; | 1569 | return err; |
1352 | } | 1570 | } |
1353 | 1571 | ||
1354 | netif_start_queue(dev); | 1572 | netif_tx_start_all_queues(dev); |
1355 | 1573 | ||
1356 | device_set_wakeup_enable(&dev->dev, priv->wol_en); | 1574 | device_set_wakeup_enable(&dev->dev, priv->wol_en); |
1357 | 1575 | ||
@@ -1421,16 +1639,20 @@ static int gfar_start_xmit(struct sk_buff *skb, struct net_device *dev) | |||
1421 | { | 1639 | { |
1422 | struct gfar_private *priv = netdev_priv(dev); | 1640 | struct gfar_private *priv = netdev_priv(dev); |
1423 | struct gfar_priv_tx_q *tx_queue = NULL; | 1641 | struct gfar_priv_tx_q *tx_queue = NULL; |
1642 | struct netdev_queue *txq; | ||
1424 | struct gfar __iomem *regs = NULL; | 1643 | struct gfar __iomem *regs = NULL; |
1425 | struct txfcb *fcb = NULL; | 1644 | struct txfcb *fcb = NULL; |
1426 | struct txbd8 *txbdp, *txbdp_start, *base; | 1645 | struct txbd8 *txbdp, *txbdp_start, *base; |
1427 | u32 lstatus; | 1646 | u32 lstatus; |
1428 | int i; | 1647 | int i, rq = 0; |
1429 | u32 bufaddr; | 1648 | u32 bufaddr; |
1430 | unsigned long flags; | 1649 | unsigned long flags; |
1431 | unsigned int nr_frags, length; | 1650 | unsigned int nr_frags, length; |
1432 | 1651 | ||
1433 | tx_queue = priv->tx_queue; | 1652 | |
1653 | rq = skb->queue_mapping; | ||
1654 | tx_queue = priv->tx_queue[rq]; | ||
1655 | txq = netdev_get_tx_queue(dev, rq); | ||
1434 | base = tx_queue->tx_bd_base; | 1656 | base = tx_queue->tx_bd_base; |
1435 | regs = priv->gfargrp.regs; | 1657 | regs = priv->gfargrp.regs; |
1436 | 1658 | ||
@@ -1458,7 +1680,7 @@ static int gfar_start_xmit(struct sk_buff *skb, struct net_device *dev) | |||
1458 | /* check if there is space to queue this packet */ | 1680 | /* check if there is space to queue this packet */ |
1459 | if ((nr_frags+1) > tx_queue->num_txbdfree) { | 1681 | if ((nr_frags+1) > tx_queue->num_txbdfree) { |
1460 | /* no space, stop the queue */ | 1682 | /* no space, stop the queue */ |
1461 | netif_stop_queue(dev); | 1683 | netif_tx_stop_queue(txq); |
1462 | dev->stats.tx_fifo_errors++; | 1684 | dev->stats.tx_fifo_errors++; |
1463 | spin_unlock_irqrestore(&tx_queue->txlock, flags); | 1685 | spin_unlock_irqrestore(&tx_queue->txlock, flags); |
1464 | return NETDEV_TX_BUSY; | 1686 | return NETDEV_TX_BUSY; |
@@ -1550,13 +1772,13 @@ static int gfar_start_xmit(struct sk_buff *skb, struct net_device *dev) | |||
1550 | /* If the next BD still needs to be cleaned up, then the bds | 1772 | /* If the next BD still needs to be cleaned up, then the bds |
1551 | are full. We need to tell the kernel to stop sending us stuff. */ | 1773 | are full. We need to tell the kernel to stop sending us stuff. */ |
1552 | if (!tx_queue->num_txbdfree) { | 1774 | if (!tx_queue->num_txbdfree) { |
1553 | netif_stop_queue(dev); | 1775 | netif_tx_stop_queue(txq); |
1554 | 1776 | ||
1555 | dev->stats.tx_fifo_errors++; | 1777 | dev->stats.tx_fifo_errors++; |
1556 | } | 1778 | } |
1557 | 1779 | ||
1558 | /* Tell the DMA to go go go */ | 1780 | /* Tell the DMA to go go go */ |
1559 | gfar_write(®s->tstat, TSTAT_CLEAR_THALT); | 1781 | gfar_write(®s->tstat, TSTAT_CLEAR_THALT >> tx_queue->qindex); |
1560 | 1782 | ||
1561 | /* Unlock priv */ | 1783 | /* Unlock priv */ |
1562 | spin_unlock_irqrestore(&tx_queue->txlock, flags); | 1784 | spin_unlock_irqrestore(&tx_queue->txlock, flags); |
@@ -1569,7 +1791,7 @@ static int gfar_close(struct net_device *dev) | |||
1569 | { | 1791 | { |
1570 | struct gfar_private *priv = netdev_priv(dev); | 1792 | struct gfar_private *priv = netdev_priv(dev); |
1571 | 1793 | ||
1572 | napi_disable(&priv->rx_queue->napi); | 1794 | napi_disable(&priv->gfargrp.napi); |
1573 | 1795 | ||
1574 | skb_queue_purge(&priv->rx_recycle); | 1796 | skb_queue_purge(&priv->rx_recycle); |
1575 | cancel_work_sync(&priv->reset_task); | 1797 | cancel_work_sync(&priv->reset_task); |
@@ -1579,7 +1801,7 @@ static int gfar_close(struct net_device *dev) | |||
1579 | phy_disconnect(priv->phydev); | 1801 | phy_disconnect(priv->phydev); |
1580 | priv->phydev = NULL; | 1802 | priv->phydev = NULL; |
1581 | 1803 | ||
1582 | netif_stop_queue(dev); | 1804 | netif_tx_stop_all_queues(dev); |
1583 | 1805 | ||
1584 | return 0; | 1806 | return 0; |
1585 | } | 1807 | } |
@@ -1598,14 +1820,13 @@ static void gfar_vlan_rx_register(struct net_device *dev, | |||
1598 | struct vlan_group *grp) | 1820 | struct vlan_group *grp) |
1599 | { | 1821 | { |
1600 | struct gfar_private *priv = netdev_priv(dev); | 1822 | struct gfar_private *priv = netdev_priv(dev); |
1601 | struct gfar_priv_rx_q *rx_queue = NULL; | ||
1602 | struct gfar __iomem *regs = NULL; | 1823 | struct gfar __iomem *regs = NULL; |
1603 | unsigned long flags; | 1824 | unsigned long flags; |
1604 | u32 tempval; | 1825 | u32 tempval; |
1605 | 1826 | ||
1606 | rx_queue = priv->rx_queue; | ||
1607 | regs = priv->gfargrp.regs; | 1827 | regs = priv->gfargrp.regs; |
1608 | spin_lock_irqsave(&rx_queue->rxlock, flags); | 1828 | local_irq_save(flags); |
1829 | lock_rx_qs(priv); | ||
1609 | 1830 | ||
1610 | priv->vlgrp = grp; | 1831 | priv->vlgrp = grp; |
1611 | 1832 | ||
@@ -1639,7 +1860,8 @@ static void gfar_vlan_rx_register(struct net_device *dev, | |||
1639 | 1860 | ||
1640 | gfar_change_mtu(dev, dev->mtu); | 1861 | gfar_change_mtu(dev, dev->mtu); |
1641 | 1862 | ||
1642 | spin_unlock_irqrestore(&rx_queue->rxlock, flags); | 1863 | unlock_rx_qs(priv); |
1864 | local_irq_restore(flags); | ||
1643 | } | 1865 | } |
1644 | 1866 | ||
1645 | static int gfar_change_mtu(struct net_device *dev, int new_mtu) | 1867 | static int gfar_change_mtu(struct net_device *dev, int new_mtu) |
@@ -1711,10 +1933,10 @@ static void gfar_reset_task(struct work_struct *work) | |||
1711 | struct net_device *dev = priv->ndev; | 1933 | struct net_device *dev = priv->ndev; |
1712 | 1934 | ||
1713 | if (dev->flags & IFF_UP) { | 1935 | if (dev->flags & IFF_UP) { |
1714 | netif_stop_queue(dev); | 1936 | netif_tx_stop_all_queues(dev); |
1715 | stop_gfar(dev); | 1937 | stop_gfar(dev); |
1716 | startup_gfar(dev); | 1938 | startup_gfar(dev); |
1717 | netif_start_queue(dev); | 1939 | netif_tx_start_all_queues(dev); |
1718 | } | 1940 | } |
1719 | 1941 | ||
1720 | netif_tx_schedule_all(dev); | 1942 | netif_tx_schedule_all(dev); |
@@ -1745,7 +1967,7 @@ static int gfar_clean_tx_ring(struct gfar_priv_tx_q *tx_queue) | |||
1745 | int howmany = 0; | 1967 | int howmany = 0; |
1746 | u32 lstatus; | 1968 | u32 lstatus; |
1747 | 1969 | ||
1748 | rx_queue = priv->rx_queue; | 1970 | rx_queue = priv->rx_queue[tx_queue->qindex]; |
1749 | bdp = tx_queue->dirty_tx; | 1971 | bdp = tx_queue->dirty_tx; |
1750 | skb_dirtytx = tx_queue->skb_dirtytx; | 1972 | skb_dirtytx = tx_queue->skb_dirtytx; |
1751 | 1973 | ||
@@ -1798,8 +2020,8 @@ static int gfar_clean_tx_ring(struct gfar_priv_tx_q *tx_queue) | |||
1798 | } | 2020 | } |
1799 | 2021 | ||
1800 | /* If we freed a buffer, we can restart transmission, if necessary */ | 2022 | /* If we freed a buffer, we can restart transmission, if necessary */ |
1801 | if (netif_queue_stopped(dev) && tx_queue->num_txbdfree) | 2023 | if (__netif_subqueue_stopped(dev, tx_queue->qindex) && tx_queue->num_txbdfree) |
1802 | netif_wake_queue(dev); | 2024 | netif_wake_subqueue(dev, tx_queue->qindex); |
1803 | 2025 | ||
1804 | /* Update dirty indicators */ | 2026 | /* Update dirty indicators */ |
1805 | tx_queue->skb_dirtytx = skb_dirtytx; | 2027 | tx_queue->skb_dirtytx = skb_dirtytx; |
@@ -1812,19 +2034,12 @@ static int gfar_clean_tx_ring(struct gfar_priv_tx_q *tx_queue) | |||
1812 | 2034 | ||
1813 | static void gfar_schedule_cleanup(struct gfar_priv_grp *gfargrp) | 2035 | static void gfar_schedule_cleanup(struct gfar_priv_grp *gfargrp) |
1814 | { | 2036 | { |
1815 | struct gfar_private *priv = gfargrp->priv; | ||
1816 | struct gfar_priv_tx_q *tx_queue = NULL; | ||
1817 | struct gfar_priv_rx_q *rx_queue = NULL; | ||
1818 | unsigned long flags; | 2037 | unsigned long flags; |
1819 | 2038 | ||
1820 | rx_queue = priv->rx_queue; | 2039 | spin_lock_irqsave(&gfargrp->grplock, flags); |
1821 | tx_queue = priv->tx_queue; | 2040 | if (napi_schedule_prep(&gfargrp->napi)) { |
1822 | spin_lock_irqsave(&tx_queue->txlock, flags); | ||
1823 | spin_lock(&rx_queue->rxlock); | ||
1824 | |||
1825 | if (napi_schedule_prep(&rx_queue->napi)) { | ||
1826 | gfar_write(&gfargrp->regs->imask, IMASK_RTX_DISABLED); | 2041 | gfar_write(&gfargrp->regs->imask, IMASK_RTX_DISABLED); |
1827 | __napi_schedule(&rx_queue->napi); | 2042 | __napi_schedule(&gfargrp->napi); |
1828 | } else { | 2043 | } else { |
1829 | /* | 2044 | /* |
1830 | * Clear IEVENT, so interrupts aren't called again | 2045 | * Clear IEVENT, so interrupts aren't called again |
@@ -1832,9 +2047,8 @@ static void gfar_schedule_cleanup(struct gfar_priv_grp *gfargrp) | |||
1832 | */ | 2047 | */ |
1833 | gfar_write(&gfargrp->regs->ievent, IEVENT_RTX_MASK); | 2048 | gfar_write(&gfargrp->regs->ievent, IEVENT_RTX_MASK); |
1834 | } | 2049 | } |
2050 | spin_unlock_irqrestore(&gfargrp->grplock, flags); | ||
1835 | 2051 | ||
1836 | spin_unlock(&rx_queue->rxlock); | ||
1837 | spin_unlock_irqrestore(&tx_queue->txlock, flags); | ||
1838 | } | 2052 | } |
1839 | 2053 | ||
1840 | /* Interrupt Handler for Transmit complete */ | 2054 | /* Interrupt Handler for Transmit complete */ |
@@ -1952,6 +2166,7 @@ static int gfar_process_frame(struct net_device *dev, struct sk_buff *skb, | |||
1952 | fcb = (struct rxfcb *)skb->data; | 2166 | fcb = (struct rxfcb *)skb->data; |
1953 | 2167 | ||
1954 | /* Remove the FCB from the skb */ | 2168 | /* Remove the FCB from the skb */ |
2169 | skb_set_queue_mapping(skb, fcb->rq); | ||
1955 | /* Remove the padded bytes, if there are any */ | 2170 | /* Remove the padded bytes, if there are any */ |
1956 | if (amount_pull) | 2171 | if (amount_pull) |
1957 | skb_pull(skb, amount_pull); | 2172 | skb_pull(skb, amount_pull); |
@@ -2072,28 +2287,54 @@ int gfar_clean_rx_ring(struct gfar_priv_rx_q *rx_queue, int rx_work_limit) | |||
2072 | 2287 | ||
2073 | static int gfar_poll(struct napi_struct *napi, int budget) | 2288 | static int gfar_poll(struct napi_struct *napi, int budget) |
2074 | { | 2289 | { |
2075 | struct gfar_priv_rx_q *rx_queue = container_of(napi, | 2290 | struct gfar_priv_grp *gfargrp = container_of(napi, |
2076 | struct gfar_priv_rx_q, napi); | 2291 | struct gfar_priv_grp, napi); |
2077 | struct net_device *dev = rx_queue->dev; | 2292 | struct gfar_private *priv = gfargrp->priv; |
2078 | struct gfar_private *priv = netdev_priv(dev); | ||
2079 | struct gfar __iomem *regs = priv->gfargrp.regs; | 2293 | struct gfar __iomem *regs = priv->gfargrp.regs; |
2080 | struct gfar_priv_tx_q *tx_queue = NULL; | 2294 | struct gfar_priv_tx_q *tx_queue = NULL; |
2081 | int tx_cleaned = 0; | 2295 | struct gfar_priv_rx_q *rx_queue = NULL; |
2082 | int rx_cleaned = 0; | 2296 | int rx_cleaned = 0, budget_per_queue = 0, rx_cleaned_per_queue = 0; |
2297 | int tx_cleaned = 0, i, left_over_budget = budget, serviced_queues = 0; | ||
2298 | int num_queues = 0; | ||
2083 | unsigned long flags; | 2299 | unsigned long flags; |
2084 | 2300 | ||
2301 | num_queues = gfargrp->num_rx_queues; | ||
2302 | budget_per_queue = budget/num_queues; | ||
2303 | |||
2085 | /* Clear IEVENT, so interrupts aren't called again | 2304 | /* Clear IEVENT, so interrupts aren't called again |
2086 | * because of the packets that have already arrived */ | 2305 | * because of the packets that have already arrived */ |
2087 | gfar_write(®s->ievent, IEVENT_RTX_MASK); | 2306 | gfar_write(®s->ievent, IEVENT_RTX_MASK); |
2088 | tx_queue = priv->tx_queue; | ||
2089 | 2307 | ||
2090 | /* If we fail to get the lock, don't bother with the TX BDs */ | 2308 | while (num_queues && left_over_budget) { |
2091 | if (spin_trylock_irqsave(&tx_queue->txlock, flags)) { | ||
2092 | tx_cleaned = gfar_clean_tx_ring(tx_queue); | ||
2093 | spin_unlock_irqrestore(&tx_queue->txlock, flags); | ||
2094 | } | ||
2095 | 2309 | ||
2096 | rx_cleaned = gfar_clean_rx_ring(rx_queue, budget); | 2310 | budget_per_queue = left_over_budget/num_queues; |
2311 | left_over_budget = 0; | ||
2312 | |||
2313 | for_each_bit(i, &gfargrp->rx_bit_map, priv->num_rx_queues) { | ||
2314 | if (test_bit(i, &serviced_queues)) | ||
2315 | continue; | ||
2316 | rx_queue = priv->rx_queue[i]; | ||
2317 | tx_queue = priv->tx_queue[rx_queue->qindex]; | ||
2318 | |||
2319 | /* If we fail to get the lock, | ||
2320 | * don't bother with the TX BDs */ | ||
2321 | if (spin_trylock_irqsave(&tx_queue->txlock, flags)) { | ||
2322 | tx_cleaned += gfar_clean_tx_ring(tx_queue); | ||
2323 | spin_unlock_irqrestore(&tx_queue->txlock, | ||
2324 | flags); | ||
2325 | } | ||
2326 | |||
2327 | rx_cleaned_per_queue = gfar_clean_rx_ring(rx_queue, | ||
2328 | budget_per_queue); | ||
2329 | rx_cleaned += rx_cleaned_per_queue; | ||
2330 | if(rx_cleaned_per_queue < budget_per_queue) { | ||
2331 | left_over_budget = left_over_budget + | ||
2332 | (budget_per_queue - rx_cleaned_per_queue); | ||
2333 | set_bit(i, &serviced_queues); | ||
2334 | num_queues--; | ||
2335 | } | ||
2336 | } | ||
2337 | } | ||
2097 | 2338 | ||
2098 | if (tx_cleaned) | 2339 | if (tx_cleaned) |
2099 | return budget; | 2340 | return budget; |
@@ -2102,7 +2343,7 @@ static int gfar_poll(struct napi_struct *napi, int budget) | |||
2102 | napi_complete(napi); | 2343 | napi_complete(napi); |
2103 | 2344 | ||
2104 | /* Clear the halt bit in RSTAT */ | 2345 | /* Clear the halt bit in RSTAT */ |
2105 | gfar_write(®s->rstat, RSTAT_CLEAR_RHALT); | 2346 | gfar_write(®s->rstat, gfargrp->rstat); |
2106 | 2347 | ||
2107 | gfar_write(®s->imask, IMASK_DEFAULT); | 2348 | gfar_write(®s->imask, IMASK_DEFAULT); |
2108 | 2349 | ||
@@ -2180,14 +2421,14 @@ static irqreturn_t gfar_interrupt(int irq, void *grp_id) | |||
2180 | static void adjust_link(struct net_device *dev) | 2421 | static void adjust_link(struct net_device *dev) |
2181 | { | 2422 | { |
2182 | struct gfar_private *priv = netdev_priv(dev); | 2423 | struct gfar_private *priv = netdev_priv(dev); |
2183 | struct gfar_priv_tx_q *tx_queue = NULL; | ||
2184 | struct gfar __iomem *regs = priv->gfargrp.regs; | 2424 | struct gfar __iomem *regs = priv->gfargrp.regs; |
2185 | unsigned long flags; | 2425 | unsigned long flags; |
2186 | struct phy_device *phydev = priv->phydev; | 2426 | struct phy_device *phydev = priv->phydev; |
2187 | int new_state = 0; | 2427 | int new_state = 0; |
2188 | 2428 | ||
2189 | tx_queue = priv->tx_queue; | 2429 | local_irq_save(flags); |
2190 | spin_lock_irqsave(&tx_queue->txlock, flags); | 2430 | lock_tx_qs(priv); |
2431 | |||
2191 | if (phydev->link) { | 2432 | if (phydev->link) { |
2192 | u32 tempval = gfar_read(®s->maccfg2); | 2433 | u32 tempval = gfar_read(®s->maccfg2); |
2193 | u32 ecntrl = gfar_read(®s->ecntrl); | 2434 | u32 ecntrl = gfar_read(®s->ecntrl); |
@@ -2252,8 +2493,8 @@ static void adjust_link(struct net_device *dev) | |||
2252 | 2493 | ||
2253 | if (new_state && netif_msg_link(priv)) | 2494 | if (new_state && netif_msg_link(priv)) |
2254 | phy_print_status(phydev); | 2495 | phy_print_status(phydev); |
2255 | 2496 | unlock_tx_qs(priv); | |
2256 | spin_unlock_irqrestore(&tx_queue->txlock, flags); | 2497 | local_irq_restore(flags); |
2257 | } | 2498 | } |
2258 | 2499 | ||
2259 | /* Update the hash table based on the current list of multicast | 2500 | /* Update the hash table based on the current list of multicast |
@@ -2457,7 +2698,7 @@ static irqreturn_t gfar_error(int irq, void *grp_id) | |||
2457 | priv->extra_stats.tx_underrun++; | 2698 | priv->extra_stats.tx_underrun++; |
2458 | 2699 | ||
2459 | /* Reactivate the Tx Queues */ | 2700 | /* Reactivate the Tx Queues */ |
2460 | gfar_write(®s->tstat, TSTAT_CLEAR_THALT); | 2701 | gfar_write(®s->tstat, gfargrp->tstat); |
2461 | } | 2702 | } |
2462 | if (netif_msg_tx_err(priv)) | 2703 | if (netif_msg_tx_err(priv)) |
2463 | printk(KERN_DEBUG "%s: Transmit Error\n", dev->name); | 2704 | printk(KERN_DEBUG "%s: Transmit Error\n", dev->name); |
diff --git a/drivers/net/gianfar.h b/drivers/net/gianfar.h index 79e8471584ea..5ae769df1d81 100644 --- a/drivers/net/gianfar.h +++ b/drivers/net/gianfar.h | |||
@@ -75,6 +75,10 @@ | |||
75 | extern const char gfar_driver_name[]; | 75 | extern const char gfar_driver_name[]; |
76 | extern const char gfar_driver_version[]; | 76 | extern const char gfar_driver_version[]; |
77 | 77 | ||
78 | /* MAXIMUM NUMBER OF QUEUES SUPPORTED */ | ||
79 | #define MAX_TX_QS 0x8 | ||
80 | #define MAX_RX_QS 0x8 | ||
81 | |||
78 | /* These need to be powers of 2 for this driver */ | 82 | /* These need to be powers of 2 for this driver */ |
79 | #define DEFAULT_TX_RING_SIZE 256 | 83 | #define DEFAULT_TX_RING_SIZE 256 |
80 | #define DEFAULT_RX_RING_SIZE 256 | 84 | #define DEFAULT_RX_RING_SIZE 256 |
@@ -172,12 +176,63 @@ extern const char gfar_driver_version[]; | |||
172 | 176 | ||
173 | #define MINFLR_INIT_SETTINGS 0x00000040 | 177 | #define MINFLR_INIT_SETTINGS 0x00000040 |
174 | 178 | ||
179 | /* Tqueue control */ | ||
180 | #define TQUEUE_EN0 0x00008000 | ||
181 | #define TQUEUE_EN1 0x00004000 | ||
182 | #define TQUEUE_EN2 0x00002000 | ||
183 | #define TQUEUE_EN3 0x00001000 | ||
184 | #define TQUEUE_EN4 0x00000800 | ||
185 | #define TQUEUE_EN5 0x00000400 | ||
186 | #define TQUEUE_EN6 0x00000200 | ||
187 | #define TQUEUE_EN7 0x00000100 | ||
188 | #define TQUEUE_EN_ALL 0x0000FF00 | ||
189 | |||
190 | #define TR03WT_WT0_MASK 0xFF000000 | ||
191 | #define TR03WT_WT1_MASK 0x00FF0000 | ||
192 | #define TR03WT_WT2_MASK 0x0000FF00 | ||
193 | #define TR03WT_WT3_MASK 0x000000FF | ||
194 | |||
195 | #define TR47WT_WT4_MASK 0xFF000000 | ||
196 | #define TR47WT_WT5_MASK 0x00FF0000 | ||
197 | #define TR47WT_WT6_MASK 0x0000FF00 | ||
198 | #define TR47WT_WT7_MASK 0x000000FF | ||
199 | |||
200 | /* Rqueue control */ | ||
201 | #define RQUEUE_EX0 0x00800000 | ||
202 | #define RQUEUE_EX1 0x00400000 | ||
203 | #define RQUEUE_EX2 0x00200000 | ||
204 | #define RQUEUE_EX3 0x00100000 | ||
205 | #define RQUEUE_EX4 0x00080000 | ||
206 | #define RQUEUE_EX5 0x00040000 | ||
207 | #define RQUEUE_EX6 0x00020000 | ||
208 | #define RQUEUE_EX7 0x00010000 | ||
209 | #define RQUEUE_EX_ALL 0x00FF0000 | ||
210 | |||
211 | #define RQUEUE_EN0 0x00000080 | ||
212 | #define RQUEUE_EN1 0x00000040 | ||
213 | #define RQUEUE_EN2 0x00000020 | ||
214 | #define RQUEUE_EN3 0x00000010 | ||
215 | #define RQUEUE_EN4 0x00000008 | ||
216 | #define RQUEUE_EN5 0x00000004 | ||
217 | #define RQUEUE_EN6 0x00000002 | ||
218 | #define RQUEUE_EN7 0x00000001 | ||
219 | #define RQUEUE_EN_ALL 0x000000FF | ||
220 | |||
175 | /* Init to do tx snooping for buffers and descriptors */ | 221 | /* Init to do tx snooping for buffers and descriptors */ |
176 | #define DMACTRL_INIT_SETTINGS 0x000000c3 | 222 | #define DMACTRL_INIT_SETTINGS 0x000000c3 |
177 | #define DMACTRL_GRS 0x00000010 | 223 | #define DMACTRL_GRS 0x00000010 |
178 | #define DMACTRL_GTS 0x00000008 | 224 | #define DMACTRL_GTS 0x00000008 |
179 | 225 | ||
180 | #define TSTAT_CLEAR_THALT 0x80000000 | 226 | #define TSTAT_CLEAR_THALT_ALL 0xFF000000 |
227 | #define TSTAT_CLEAR_THALT 0x80000000 | ||
228 | #define TSTAT_CLEAR_THALT0 0x80000000 | ||
229 | #define TSTAT_CLEAR_THALT1 0x40000000 | ||
230 | #define TSTAT_CLEAR_THALT2 0x20000000 | ||
231 | #define TSTAT_CLEAR_THALT3 0x10000000 | ||
232 | #define TSTAT_CLEAR_THALT4 0x08000000 | ||
233 | #define TSTAT_CLEAR_THALT5 0x04000000 | ||
234 | #define TSTAT_CLEAR_THALT6 0x02000000 | ||
235 | #define TSTAT_CLEAR_THALT7 0x01000000 | ||
181 | 236 | ||
182 | /* Interrupt coalescing macros */ | 237 | /* Interrupt coalescing macros */ |
183 | #define IC_ICEN 0x80000000 | 238 | #define IC_ICEN 0x80000000 |
@@ -228,6 +283,13 @@ extern const char gfar_driver_version[]; | |||
228 | #define TCTRL_IPCSEN 0x00004000 | 283 | #define TCTRL_IPCSEN 0x00004000 |
229 | #define TCTRL_TUCSEN 0x00002000 | 284 | #define TCTRL_TUCSEN 0x00002000 |
230 | #define TCTRL_VLINS 0x00001000 | 285 | #define TCTRL_VLINS 0x00001000 |
286 | #define TCTRL_THDF 0x00000800 | ||
287 | #define TCTRL_RFCPAUSE 0x00000010 | ||
288 | #define TCTRL_TFCPAUSE 0x00000008 | ||
289 | #define TCTRL_TXSCHED_MASK 0x00000006 | ||
290 | #define TCTRL_TXSCHED_INIT 0x00000000 | ||
291 | #define TCTRL_TXSCHED_PRIO 0x00000002 | ||
292 | #define TCTRL_TXSCHED_WRRS 0x00000004 | ||
231 | #define TCTRL_INIT_CSUM (TCTRL_TUCSEN | TCTRL_IPCSEN) | 293 | #define TCTRL_INIT_CSUM (TCTRL_TUCSEN | TCTRL_IPCSEN) |
232 | 294 | ||
233 | #define IEVENT_INIT_CLEAR 0xffffffff | 295 | #define IEVENT_INIT_CLEAR 0xffffffff |
@@ -700,6 +762,8 @@ struct gfar { | |||
700 | #define FSL_GIANFAR_DEV_HAS_BD_STASHING 0x00000200 | 762 | #define FSL_GIANFAR_DEV_HAS_BD_STASHING 0x00000200 |
701 | #define FSL_GIANFAR_DEV_HAS_BUF_STASHING 0x00000400 | 763 | #define FSL_GIANFAR_DEV_HAS_BUF_STASHING 0x00000400 |
702 | 764 | ||
765 | #define DEFAULT_MAPPING 0xFF | ||
766 | |||
703 | /** | 767 | /** |
704 | * struct gfar_priv_tx_q - per tx queue structure | 768 | * struct gfar_priv_tx_q - per tx queue structure |
705 | * @txlock: per queue tx spin lock | 769 | * @txlock: per queue tx spin lock |
@@ -743,7 +807,6 @@ struct gfar_priv_tx_q { | |||
743 | /** | 807 | /** |
744 | * struct gfar_priv_rx_q - per rx queue structure | 808 | * struct gfar_priv_rx_q - per rx queue structure |
745 | * @rxlock: per queue rx spin lock | 809 | * @rxlock: per queue rx spin lock |
746 | * @napi: the napi poll function | ||
747 | * @rx_skbuff: skb pointers | 810 | * @rx_skbuff: skb pointers |
748 | * @skb_currx: currently use skb pointer | 811 | * @skb_currx: currently use skb pointer |
749 | * @rx_bd_base: First rx buffer descriptor | 812 | * @rx_bd_base: First rx buffer descriptor |
@@ -757,8 +820,8 @@ struct gfar_priv_tx_q { | |||
757 | 820 | ||
758 | struct gfar_priv_rx_q { | 821 | struct gfar_priv_rx_q { |
759 | spinlock_t rxlock __attribute__ ((aligned (SMP_CACHE_BYTES))); | 822 | spinlock_t rxlock __attribute__ ((aligned (SMP_CACHE_BYTES))); |
760 | struct napi_struct napi; | ||
761 | struct sk_buff ** rx_skbuff; | 823 | struct sk_buff ** rx_skbuff; |
824 | dma_addr_t rx_bd_dma_base; | ||
762 | struct rxbd8 *rx_bd_base; | 825 | struct rxbd8 *rx_bd_base; |
763 | struct rxbd8 *cur_rx; | 826 | struct rxbd8 *cur_rx; |
764 | struct net_device *dev; | 827 | struct net_device *dev; |
@@ -772,6 +835,7 @@ struct gfar_priv_rx_q { | |||
772 | 835 | ||
773 | /** | 836 | /** |
774 | * struct gfar_priv_grp - per group structure | 837 | * struct gfar_priv_grp - per group structure |
838 | * @napi: the napi poll function | ||
775 | * @priv: back pointer to the priv structure | 839 | * @priv: back pointer to the priv structure |
776 | * @regs: the ioremapped register space for this group | 840 | * @regs: the ioremapped register space for this group |
777 | * @grp_id: group id for this group | 841 | * @grp_id: group id for this group |
@@ -785,8 +849,17 @@ struct gfar_priv_rx_q { | |||
785 | 849 | ||
786 | struct gfar_priv_grp { | 850 | struct gfar_priv_grp { |
787 | spinlock_t grplock __attribute__ ((aligned (SMP_CACHE_BYTES))); | 851 | spinlock_t grplock __attribute__ ((aligned (SMP_CACHE_BYTES))); |
852 | struct napi_struct napi; | ||
788 | struct gfar_private *priv; | 853 | struct gfar_private *priv; |
789 | struct gfar __iomem *regs; | 854 | struct gfar __iomem *regs; |
855 | unsigned int rx_bit_map; | ||
856 | unsigned int tx_bit_map; | ||
857 | unsigned int num_tx_queues; | ||
858 | unsigned int num_rx_queues; | ||
859 | unsigned int rstat; | ||
860 | unsigned int tstat; | ||
861 | unsigned int imask; | ||
862 | unsigned int ievent; | ||
790 | unsigned int interruptTransmit; | 863 | unsigned int interruptTransmit; |
791 | unsigned int interruptReceive; | 864 | unsigned int interruptReceive; |
792 | unsigned int interruptError; | 865 | unsigned int interruptError; |
@@ -807,13 +880,21 @@ struct gfar_priv_grp { | |||
807 | */ | 880 | */ |
808 | struct gfar_private { | 881 | struct gfar_private { |
809 | 882 | ||
883 | /* Indicates how many tx, rx queues are enabled */ | ||
884 | unsigned int num_tx_queues; | ||
885 | unsigned int num_rx_queues; | ||
886 | |||
887 | /* The total tx and rx ring size for the enabled queues */ | ||
888 | unsigned int total_tx_ring_size; | ||
889 | unsigned int total_rx_ring_size; | ||
890 | |||
810 | struct device_node *node; | 891 | struct device_node *node; |
811 | struct net_device *ndev; | 892 | struct net_device *ndev; |
812 | struct of_device *ofdev; | 893 | struct of_device *ofdev; |
813 | 894 | ||
814 | struct gfar_priv_grp gfargrp; | 895 | struct gfar_priv_grp gfargrp; |
815 | struct gfar_priv_tx_q *tx_queue; | 896 | struct gfar_priv_tx_q *tx_queue[MAX_TX_QS]; |
816 | struct gfar_priv_rx_q *rx_queue; | 897 | struct gfar_priv_rx_q *rx_queue[MAX_RX_QS]; |
817 | 898 | ||
818 | /* RX per device parameters */ | 899 | /* RX per device parameters */ |
819 | unsigned int rx_buffer_size; | 900 | unsigned int rx_buffer_size; |
@@ -844,6 +925,7 @@ struct gfar_private { | |||
844 | unsigned char rx_csum_enable:1, | 925 | unsigned char rx_csum_enable:1, |
845 | extended_hash:1, | 926 | extended_hash:1, |
846 | bd_stash_en:1, | 927 | bd_stash_en:1, |
928 | rx_filer_enable:1, | ||
847 | wol_en:1; /* Wake-on-LAN enabled */ | 929 | wol_en:1; /* Wake-on-LAN enabled */ |
848 | unsigned short padding; | 930 | unsigned short padding; |
849 | 931 | ||
@@ -874,6 +956,10 @@ static inline void gfar_write(volatile unsigned __iomem *addr, u32 val) | |||
874 | out_be32(addr, val); | 956 | out_be32(addr, val); |
875 | } | 957 | } |
876 | 958 | ||
959 | extern void lock_rx_qs(struct gfar_private *priv); | ||
960 | extern void lock_tx_qs(struct gfar_private *priv); | ||
961 | extern void unlock_rx_qs(struct gfar_private *priv); | ||
962 | extern void unlock_tx_qs(struct gfar_private *priv); | ||
877 | extern irqreturn_t gfar_receive(int irq, void *dev_id); | 963 | extern irqreturn_t gfar_receive(int irq, void *dev_id); |
878 | extern int startup_gfar(struct net_device *dev); | 964 | extern int startup_gfar(struct net_device *dev); |
879 | extern void stop_gfar(struct net_device *dev); | 965 | extern void stop_gfar(struct net_device *dev); |
diff --git a/drivers/net/gianfar_ethtool.c b/drivers/net/gianfar_ethtool.c index c681b414767a..d3d26234f190 100644 --- a/drivers/net/gianfar_ethtool.c +++ b/drivers/net/gianfar_ethtool.c | |||
@@ -204,9 +204,11 @@ static int gfar_gsettings(struct net_device *dev, struct ethtool_cmd *cmd) | |||
204 | 204 | ||
205 | if (NULL == phydev) | 205 | if (NULL == phydev) |
206 | return -ENODEV; | 206 | return -ENODEV; |
207 | tx_queue = priv->tx_queue; | 207 | tx_queue = priv->tx_queue[0]; |
208 | rx_queue = priv->rx_queue; | 208 | rx_queue = priv->rx_queue[0]; |
209 | 209 | ||
210 | /* etsec-1.7 and older versions have only one txic | ||
211 | * and rxic regs although they support multiple queues */ | ||
210 | cmd->maxtxpkt = get_icft_value(tx_queue->txic); | 212 | cmd->maxtxpkt = get_icft_value(tx_queue->txic); |
211 | cmd->maxrxpkt = get_icft_value(rx_queue->rxic); | 213 | cmd->maxrxpkt = get_icft_value(rx_queue->rxic); |
212 | 214 | ||
@@ -298,8 +300,8 @@ static int gfar_gcoalesce(struct net_device *dev, struct ethtool_coalesce *cvals | |||
298 | if (NULL == priv->phydev) | 300 | if (NULL == priv->phydev) |
299 | return -ENODEV; | 301 | return -ENODEV; |
300 | 302 | ||
301 | rx_queue = priv->rx_queue; | 303 | rx_queue = priv->rx_queue[0]; |
302 | tx_queue = priv->tx_queue; | 304 | tx_queue = priv->tx_queue[0]; |
303 | 305 | ||
304 | rxtime = get_ictt_value(rx_queue->rxic); | 306 | rxtime = get_ictt_value(rx_queue->rxic); |
305 | rxcount = get_icft_value(rx_queue->rxic); | 307 | rxcount = get_icft_value(rx_queue->rxic); |
@@ -357,8 +359,8 @@ static int gfar_scoalesce(struct net_device *dev, struct ethtool_coalesce *cvals | |||
357 | if (!(priv->device_flags & FSL_GIANFAR_DEV_HAS_COALESCE)) | 359 | if (!(priv->device_flags & FSL_GIANFAR_DEV_HAS_COALESCE)) |
358 | return -EOPNOTSUPP; | 360 | return -EOPNOTSUPP; |
359 | 361 | ||
360 | tx_queue = priv->tx_queue; | 362 | tx_queue = priv->tx_queue[0]; |
361 | rx_queue = priv->rx_queue; | 363 | rx_queue = priv->rx_queue[0]; |
362 | 364 | ||
363 | /* Set up rx coalescing */ | 365 | /* Set up rx coalescing */ |
364 | if ((cvals->rx_coalesce_usecs == 0) || | 366 | if ((cvals->rx_coalesce_usecs == 0) || |
@@ -429,8 +431,8 @@ static void gfar_gringparam(struct net_device *dev, struct ethtool_ringparam *rv | |||
429 | struct gfar_priv_tx_q *tx_queue = NULL; | 431 | struct gfar_priv_tx_q *tx_queue = NULL; |
430 | struct gfar_priv_rx_q *rx_queue = NULL; | 432 | struct gfar_priv_rx_q *rx_queue = NULL; |
431 | 433 | ||
432 | tx_queue = priv->tx_queue; | 434 | tx_queue = priv->tx_queue[0]; |
433 | rx_queue = priv->rx_queue; | 435 | rx_queue = priv->rx_queue[0]; |
434 | 436 | ||
435 | rvals->rx_max_pending = GFAR_RX_MAX_RING_SIZE; | 437 | rvals->rx_max_pending = GFAR_RX_MAX_RING_SIZE; |
436 | rvals->rx_mini_max_pending = GFAR_RX_MAX_RING_SIZE; | 438 | rvals->rx_mini_max_pending = GFAR_RX_MAX_RING_SIZE; |
@@ -453,9 +455,7 @@ static void gfar_gringparam(struct net_device *dev, struct ethtool_ringparam *rv | |||
453 | static int gfar_sringparam(struct net_device *dev, struct ethtool_ringparam *rvals) | 455 | static int gfar_sringparam(struct net_device *dev, struct ethtool_ringparam *rvals) |
454 | { | 456 | { |
455 | struct gfar_private *priv = netdev_priv(dev); | 457 | struct gfar_private *priv = netdev_priv(dev); |
456 | struct gfar_priv_tx_q *tx_queue = NULL; | 458 | int err = 0, i = 0; |
457 | struct gfar_priv_rx_q *rx_queue = NULL; | ||
458 | int err = 0; | ||
459 | 459 | ||
460 | if (rvals->rx_pending > GFAR_RX_MAX_RING_SIZE) | 460 | if (rvals->rx_pending > GFAR_RX_MAX_RING_SIZE) |
461 | return -EINVAL; | 461 | return -EINVAL; |
@@ -475,37 +475,41 @@ static int gfar_sringparam(struct net_device *dev, struct ethtool_ringparam *rva | |||
475 | return -EINVAL; | 475 | return -EINVAL; |
476 | } | 476 | } |
477 | 477 | ||
478 | tx_queue = priv->tx_queue; | ||
479 | rx_queue = priv->rx_queue; | ||
480 | 478 | ||
481 | if (dev->flags & IFF_UP) { | 479 | if (dev->flags & IFF_UP) { |
482 | unsigned long flags; | 480 | unsigned long flags; |
483 | 481 | ||
484 | /* Halt TX and RX, and process the frames which | 482 | /* Halt TX and RX, and process the frames which |
485 | * have already been received */ | 483 | * have already been received */ |
486 | spin_lock_irqsave(&tx_queue->txlock, flags); | 484 | local_irq_save(flags); |
487 | spin_lock(&rx_queue->rxlock); | 485 | lock_tx_qs(priv); |
486 | lock_rx_qs(priv); | ||
488 | 487 | ||
489 | gfar_halt(dev); | 488 | gfar_halt(dev); |
490 | 489 | ||
491 | spin_unlock(&rx_queue->rxlock); | 490 | unlock_rx_qs(priv); |
492 | spin_unlock_irqrestore(&tx_queue->txlock, flags); | 491 | unlock_tx_qs(priv); |
492 | local_irq_restore(flags); | ||
493 | 493 | ||
494 | gfar_clean_rx_ring(rx_queue, rx_queue->rx_ring_size); | 494 | for (i = 0; i < priv->num_rx_queues; i++) |
495 | gfar_clean_rx_ring(priv->rx_queue[i], | ||
496 | priv->rx_queue[i]->rx_ring_size); | ||
495 | 497 | ||
496 | /* Now we take down the rings to rebuild them */ | 498 | /* Now we take down the rings to rebuild them */ |
497 | stop_gfar(dev); | 499 | stop_gfar(dev); |
498 | } | 500 | } |
499 | 501 | ||
500 | /* Change the size */ | 502 | /* Change the size */ |
501 | rx_queue->rx_ring_size = rvals->rx_pending; | 503 | for (i = 0; i < priv->num_rx_queues; i++) { |
502 | tx_queue->tx_ring_size = rvals->tx_pending; | 504 | priv->rx_queue[i]->rx_ring_size = rvals->rx_pending; |
503 | tx_queue->num_txbdfree = tx_queue->tx_ring_size; | 505 | priv->tx_queue[i]->tx_ring_size = rvals->tx_pending; |
506 | priv->tx_queue[i]->num_txbdfree = priv->tx_queue[i]->tx_ring_size; | ||
507 | } | ||
504 | 508 | ||
505 | /* Rebuild the rings with the new size */ | 509 | /* Rebuild the rings with the new size */ |
506 | if (dev->flags & IFF_UP) { | 510 | if (dev->flags & IFF_UP) { |
507 | err = startup_gfar(dev); | 511 | err = startup_gfar(dev); |
508 | netif_wake_queue(dev); | 512 | netif_tx_wake_all_queues(dev); |
509 | } | 513 | } |
510 | return err; | 514 | return err; |
511 | } | 515 | } |
@@ -513,29 +517,29 @@ static int gfar_sringparam(struct net_device *dev, struct ethtool_ringparam *rva | |||
513 | static int gfar_set_rx_csum(struct net_device *dev, uint32_t data) | 517 | static int gfar_set_rx_csum(struct net_device *dev, uint32_t data) |
514 | { | 518 | { |
515 | struct gfar_private *priv = netdev_priv(dev); | 519 | struct gfar_private *priv = netdev_priv(dev); |
516 | struct gfar_priv_rx_q *rx_queue = NULL; | ||
517 | struct gfar_priv_tx_q *tx_queue = NULL; | ||
518 | unsigned long flags; | 520 | unsigned long flags; |
519 | int err = 0; | 521 | int err = 0, i = 0; |
520 | 522 | ||
521 | if (!(priv->device_flags & FSL_GIANFAR_DEV_HAS_CSUM)) | 523 | if (!(priv->device_flags & FSL_GIANFAR_DEV_HAS_CSUM)) |
522 | return -EOPNOTSUPP; | 524 | return -EOPNOTSUPP; |
523 | 525 | ||
524 | tx_queue = priv->tx_queue; | ||
525 | rx_queue = priv->rx_queue; | ||
526 | 526 | ||
527 | if (dev->flags & IFF_UP) { | 527 | if (dev->flags & IFF_UP) { |
528 | /* Halt TX and RX, and process the frames which | 528 | /* Halt TX and RX, and process the frames which |
529 | * have already been received */ | 529 | * have already been received */ |
530 | spin_lock_irqsave(&tx_queue->txlock, flags); | 530 | local_irq_save(flags); |
531 | spin_lock(&rx_queue->rxlock); | 531 | lock_tx_qs(priv); |
532 | lock_rx_qs(priv); | ||
532 | 533 | ||
533 | gfar_halt(dev); | 534 | gfar_halt(dev); |
534 | 535 | ||
535 | spin_unlock(&rx_queue->rxlock); | 536 | unlock_tx_qs(priv); |
536 | spin_unlock_irqrestore(&tx_queue->txlock, flags); | 537 | unlock_rx_qs(priv); |
538 | local_irq_save(flags); | ||
537 | 539 | ||
538 | gfar_clean_rx_ring(rx_queue, rx_queue->rx_ring_size); | 540 | for (i = 0; i < priv->num_rx_queues; i++) |
541 | gfar_clean_rx_ring(priv->rx_queue[i], | ||
542 | priv->rx_queue[i]->rx_ring_size); | ||
539 | 543 | ||
540 | /* Now we take down the rings to rebuild them */ | 544 | /* Now we take down the rings to rebuild them */ |
541 | stop_gfar(dev); | 545 | stop_gfar(dev); |
@@ -547,7 +551,7 @@ static int gfar_set_rx_csum(struct net_device *dev, uint32_t data) | |||
547 | 551 | ||
548 | if (dev->flags & IFF_UP) { | 552 | if (dev->flags & IFF_UP) { |
549 | err = startup_gfar(dev); | 553 | err = startup_gfar(dev); |
550 | netif_wake_queue(dev); | 554 | netif_tx_wake_all_queues(dev); |
551 | } | 555 | } |
552 | return err; | 556 | return err; |
553 | } | 557 | } |
diff --git a/drivers/net/gianfar_sysfs.c b/drivers/net/gianfar_sysfs.c index adea11ea4038..4b726f61314e 100644 --- a/drivers/net/gianfar_sysfs.c +++ b/drivers/net/gianfar_sysfs.c | |||
@@ -51,7 +51,6 @@ static ssize_t gfar_set_bd_stash(struct device *dev, | |||
51 | { | 51 | { |
52 | struct gfar_private *priv = netdev_priv(to_net_dev(dev)); | 52 | struct gfar_private *priv = netdev_priv(to_net_dev(dev)); |
53 | struct gfar __iomem *regs = priv->gfargrp.regs; | 53 | struct gfar __iomem *regs = priv->gfargrp.regs; |
54 | struct gfar_priv_rx_q *rx_queue = NULL; | ||
55 | int new_setting = 0; | 54 | int new_setting = 0; |
56 | u32 temp; | 55 | u32 temp; |
57 | unsigned long flags; | 56 | unsigned long flags; |
@@ -59,7 +58,6 @@ static ssize_t gfar_set_bd_stash(struct device *dev, | |||
59 | if (!(priv->device_flags & FSL_GIANFAR_DEV_HAS_BD_STASHING)) | 58 | if (!(priv->device_flags & FSL_GIANFAR_DEV_HAS_BD_STASHING)) |
60 | return count; | 59 | return count; |
61 | 60 | ||
62 | rx_queue = priv->rx_queue; | ||
63 | 61 | ||
64 | /* Find out the new setting */ | 62 | /* Find out the new setting */ |
65 | if (!strncmp("on", buf, count - 1) || !strncmp("1", buf, count - 1)) | 63 | if (!strncmp("on", buf, count - 1) || !strncmp("1", buf, count - 1)) |
@@ -70,7 +68,9 @@ static ssize_t gfar_set_bd_stash(struct device *dev, | |||
70 | else | 68 | else |
71 | return count; | 69 | return count; |
72 | 70 | ||
73 | spin_lock_irqsave(&rx_queue->rxlock, flags); | 71 | |
72 | local_irq_save(flags); | ||
73 | lock_rx_qs(priv); | ||
74 | 74 | ||
75 | /* Set the new stashing value */ | 75 | /* Set the new stashing value */ |
76 | priv->bd_stash_en = new_setting; | 76 | priv->bd_stash_en = new_setting; |
@@ -84,7 +84,8 @@ static ssize_t gfar_set_bd_stash(struct device *dev, | |||
84 | 84 | ||
85 | gfar_write(®s->attr, temp); | 85 | gfar_write(®s->attr, temp); |
86 | 86 | ||
87 | spin_unlock_irqrestore(&rx_queue->rxlock, flags); | 87 | unlock_rx_qs(priv); |
88 | local_irq_restore(flags); | ||
88 | 89 | ||
89 | return count; | 90 | return count; |
90 | } | 91 | } |
@@ -105,7 +106,6 @@ static ssize_t gfar_set_rx_stash_size(struct device *dev, | |||
105 | { | 106 | { |
106 | struct gfar_private *priv = netdev_priv(to_net_dev(dev)); | 107 | struct gfar_private *priv = netdev_priv(to_net_dev(dev)); |
107 | struct gfar __iomem *regs = priv->gfargrp.regs; | 108 | struct gfar __iomem *regs = priv->gfargrp.regs; |
108 | struct gfar_priv_rx_q *rx_queue = NULL; | ||
109 | unsigned int length = simple_strtoul(buf, NULL, 0); | 109 | unsigned int length = simple_strtoul(buf, NULL, 0); |
110 | u32 temp; | 110 | u32 temp; |
111 | unsigned long flags; | 111 | unsigned long flags; |
@@ -113,9 +113,9 @@ static ssize_t gfar_set_rx_stash_size(struct device *dev, | |||
113 | if (!(priv->device_flags & FSL_GIANFAR_DEV_HAS_BUF_STASHING)) | 113 | if (!(priv->device_flags & FSL_GIANFAR_DEV_HAS_BUF_STASHING)) |
114 | return count; | 114 | return count; |
115 | 115 | ||
116 | rx_queue = priv->rx_queue; | 116 | local_irq_save(flags); |
117 | lock_rx_qs(priv); | ||
117 | 118 | ||
118 | spin_lock_irqsave(&rx_queue->rxlock, flags); | ||
119 | if (length > priv->rx_buffer_size) | 119 | if (length > priv->rx_buffer_size) |
120 | goto out; | 120 | goto out; |
121 | 121 | ||
@@ -140,7 +140,8 @@ static ssize_t gfar_set_rx_stash_size(struct device *dev, | |||
140 | gfar_write(®s->attr, temp); | 140 | gfar_write(®s->attr, temp); |
141 | 141 | ||
142 | out: | 142 | out: |
143 | spin_unlock_irqrestore(&rx_queue->rxlock, flags); | 143 | unlock_rx_qs(priv); |
144 | local_irq_restore(flags); | ||
144 | 145 | ||
145 | return count; | 146 | return count; |
146 | } | 147 | } |
@@ -164,7 +165,6 @@ static ssize_t gfar_set_rx_stash_index(struct device *dev, | |||
164 | { | 165 | { |
165 | struct gfar_private *priv = netdev_priv(to_net_dev(dev)); | 166 | struct gfar_private *priv = netdev_priv(to_net_dev(dev)); |
166 | struct gfar __iomem *regs = priv->gfargrp.regs; | 167 | struct gfar __iomem *regs = priv->gfargrp.regs; |
167 | struct gfar_priv_rx_q *rx_queue = NULL; | ||
168 | unsigned short index = simple_strtoul(buf, NULL, 0); | 168 | unsigned short index = simple_strtoul(buf, NULL, 0); |
169 | u32 temp; | 169 | u32 temp; |
170 | unsigned long flags; | 170 | unsigned long flags; |
@@ -172,9 +172,9 @@ static ssize_t gfar_set_rx_stash_index(struct device *dev, | |||
172 | if (!(priv->device_flags & FSL_GIANFAR_DEV_HAS_BUF_STASHING)) | 172 | if (!(priv->device_flags & FSL_GIANFAR_DEV_HAS_BUF_STASHING)) |
173 | return count; | 173 | return count; |
174 | 174 | ||
175 | rx_queue = priv->rx_queue; | 175 | local_irq_save(flags); |
176 | lock_rx_qs(priv); | ||
176 | 177 | ||
177 | spin_lock_irqsave(&rx_queue->rxlock, flags); | ||
178 | if (index > priv->rx_stash_size) | 178 | if (index > priv->rx_stash_size) |
179 | goto out; | 179 | goto out; |
180 | 180 | ||
@@ -189,7 +189,8 @@ static ssize_t gfar_set_rx_stash_index(struct device *dev, | |||
189 | gfar_write(®s->attreli, flags); | 189 | gfar_write(®s->attreli, flags); |
190 | 190 | ||
191 | out: | 191 | out: |
192 | spin_unlock_irqrestore(&rx_queue->rxlock, flags); | 192 | unlock_rx_qs(priv); |
193 | local_irq_restore(flags); | ||
193 | 194 | ||
194 | return count; | 195 | return count; |
195 | } | 196 | } |
@@ -212,7 +213,6 @@ static ssize_t gfar_set_fifo_threshold(struct device *dev, | |||
212 | { | 213 | { |
213 | struct gfar_private *priv = netdev_priv(to_net_dev(dev)); | 214 | struct gfar_private *priv = netdev_priv(to_net_dev(dev)); |
214 | struct gfar __iomem *regs = priv->gfargrp.regs; | 215 | struct gfar __iomem *regs = priv->gfargrp.regs; |
215 | struct gfar_priv_tx_q *tx_queue = NULL; | ||
216 | unsigned int length = simple_strtoul(buf, NULL, 0); | 216 | unsigned int length = simple_strtoul(buf, NULL, 0); |
217 | u32 temp; | 217 | u32 temp; |
218 | unsigned long flags; | 218 | unsigned long flags; |
@@ -220,9 +220,8 @@ static ssize_t gfar_set_fifo_threshold(struct device *dev, | |||
220 | if (length > GFAR_MAX_FIFO_THRESHOLD) | 220 | if (length > GFAR_MAX_FIFO_THRESHOLD) |
221 | return count; | 221 | return count; |
222 | 222 | ||
223 | tx_queue = priv->tx_queue; | 223 | local_irq_save(flags); |
224 | 224 | lock_tx_qs(priv); | |
225 | spin_lock_irqsave(&tx_queue->txlock, flags); | ||
226 | 225 | ||
227 | priv->fifo_threshold = length; | 226 | priv->fifo_threshold = length; |
228 | 227 | ||
@@ -231,7 +230,8 @@ static ssize_t gfar_set_fifo_threshold(struct device *dev, | |||
231 | temp |= length; | 230 | temp |= length; |
232 | gfar_write(®s->fifo_tx_thr, temp); | 231 | gfar_write(®s->fifo_tx_thr, temp); |
233 | 232 | ||
234 | spin_unlock_irqrestore(&tx_queue->txlock, flags); | 233 | unlock_tx_qs(priv); |
234 | local_irq_restore(flags); | ||
235 | 235 | ||
236 | return count; | 236 | return count; |
237 | } | 237 | } |
@@ -253,7 +253,6 @@ static ssize_t gfar_set_fifo_starve(struct device *dev, | |||
253 | { | 253 | { |
254 | struct gfar_private *priv = netdev_priv(to_net_dev(dev)); | 254 | struct gfar_private *priv = netdev_priv(to_net_dev(dev)); |
255 | struct gfar __iomem *regs = priv->gfargrp.regs; | 255 | struct gfar __iomem *regs = priv->gfargrp.regs; |
256 | struct gfar_priv_tx_q *tx_queue = NULL; | ||
257 | unsigned int num = simple_strtoul(buf, NULL, 0); | 256 | unsigned int num = simple_strtoul(buf, NULL, 0); |
258 | u32 temp; | 257 | u32 temp; |
259 | unsigned long flags; | 258 | unsigned long flags; |
@@ -261,8 +260,8 @@ static ssize_t gfar_set_fifo_starve(struct device *dev, | |||
261 | if (num > GFAR_MAX_FIFO_STARVE) | 260 | if (num > GFAR_MAX_FIFO_STARVE) |
262 | return count; | 261 | return count; |
263 | 262 | ||
264 | tx_queue = priv->tx_queue; | 263 | local_irq_save(flags); |
265 | spin_lock_irqsave(&tx_queue->txlock, flags); | 264 | lock_tx_qs(priv); |
266 | 265 | ||
267 | priv->fifo_starve = num; | 266 | priv->fifo_starve = num; |
268 | 267 | ||
@@ -271,7 +270,8 @@ static ssize_t gfar_set_fifo_starve(struct device *dev, | |||
271 | temp |= num; | 270 | temp |= num; |
272 | gfar_write(®s->fifo_tx_starve, temp); | 271 | gfar_write(®s->fifo_tx_starve, temp); |
273 | 272 | ||
274 | spin_unlock_irqrestore(&tx_queue->txlock, flags); | 273 | unlock_tx_qs(priv); |
274 | local_irq_restore(flags); | ||
275 | 275 | ||
276 | return count; | 276 | return count; |
277 | } | 277 | } |
@@ -294,7 +294,6 @@ static ssize_t gfar_set_fifo_starve_off(struct device *dev, | |||
294 | { | 294 | { |
295 | struct gfar_private *priv = netdev_priv(to_net_dev(dev)); | 295 | struct gfar_private *priv = netdev_priv(to_net_dev(dev)); |
296 | struct gfar __iomem *regs = priv->gfargrp.regs; | 296 | struct gfar __iomem *regs = priv->gfargrp.regs; |
297 | struct gfar_priv_tx_q *tx_queue = NULL; | ||
298 | unsigned int num = simple_strtoul(buf, NULL, 0); | 297 | unsigned int num = simple_strtoul(buf, NULL, 0); |
299 | u32 temp; | 298 | u32 temp; |
300 | unsigned long flags; | 299 | unsigned long flags; |
@@ -302,8 +301,8 @@ static ssize_t gfar_set_fifo_starve_off(struct device *dev, | |||
302 | if (num > GFAR_MAX_FIFO_STARVE_OFF) | 301 | if (num > GFAR_MAX_FIFO_STARVE_OFF) |
303 | return count; | 302 | return count; |
304 | 303 | ||
305 | tx_queue = priv->tx_queue; | 304 | local_irq_save(flags); |
306 | spin_lock_irqsave(&tx_queue->txlock, flags); | 305 | lock_tx_qs(priv); |
307 | 306 | ||
308 | priv->fifo_starve_off = num; | 307 | priv->fifo_starve_off = num; |
309 | 308 | ||
@@ -312,7 +311,8 @@ static ssize_t gfar_set_fifo_starve_off(struct device *dev, | |||
312 | temp |= num; | 311 | temp |= num; |
313 | gfar_write(®s->fifo_tx_starve_shutoff, temp); | 312 | gfar_write(®s->fifo_tx_starve_shutoff, temp); |
314 | 313 | ||
315 | spin_unlock_irqrestore(&tx_queue->txlock, flags); | 314 | unlock_tx_qs(priv); |
315 | local_irq_restore(flags); | ||
316 | 316 | ||
317 | return count; | 317 | return count; |
318 | } | 318 | } |