ac22f7a66543f6a5bc29ad8e707dcf79101e9ec4
[dpdk.git] / lib / librte_ether / rte_ethdev.c
1 /*-
2  *   BSD LICENSE
3  * 
4  *   Copyright(c) 2010-2012 Intel Corporation. All rights reserved.
5  *   All rights reserved.
6  * 
7  *   Redistribution and use in source and binary forms, with or without 
8  *   modification, are permitted provided that the following conditions 
9  *   are met:
10  * 
11  *     * Redistributions of source code must retain the above copyright 
12  *       notice, this list of conditions and the following disclaimer.
13  *     * Redistributions in binary form must reproduce the above copyright 
14  *       notice, this list of conditions and the following disclaimer in 
15  *       the documentation and/or other materials provided with the 
16  *       distribution.
17  *     * Neither the name of Intel Corporation nor the names of its 
18  *       contributors may be used to endorse or promote products derived 
19  *       from this software without specific prior written permission.
20  * 
21  *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 
22  *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 
23  *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 
24  *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 
25  *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 
26  *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 
27  *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 
28  *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 
29  *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 
30  *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 
31  *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32  * 
33  */
34
35 #include <sys/types.h>
36 #include <sys/queue.h>
37 #include <ctype.h>
38 #include <stdio.h>
39 #include <stdlib.h>
40 #include <string.h>
41 #include <stdarg.h>
42 #include <errno.h>
43 #include <stdint.h>
44 #include <inttypes.h>
45
46 #include <rte_byteorder.h>
47 #include <rte_log.h>
48 #include <rte_debug.h>
49 #include <rte_interrupts.h>
50 #include <rte_pci.h>
51 #include <rte_memory.h>
52 #include <rte_memcpy.h>
53 #include <rte_memzone.h>
54 #include <rte_launch.h>
55 #include <rte_tailq.h>
56 #include <rte_eal.h>
57 #include <rte_per_lcore.h>
58 #include <rte_lcore.h>
59 #include <rte_atomic.h>
60 #include <rte_branch_prediction.h>
61 #include <rte_common.h>
62 #include <rte_ring.h>
63 #include <rte_mempool.h>
64 #include <rte_malloc.h>
65 #include <rte_mbuf.h>
66 #include <rte_errno.h>
67 #include <rte_spinlock.h>
68
69 #include "rte_ether.h"
70 #include "rte_ethdev.h"
71
72 #ifdef RTE_LIBRTE_ETHDEV_DEBUG
73 #define PMD_DEBUG_TRACE(fmt, args...) do {                        \
74                 RTE_LOG(ERR, PMD, "%s: " fmt, __func__, ## args); \
75         } while (0)
76 #else
77 #define PMD_DEBUG_TRACE(fmt, args...)
78 #endif
79
80 /* Macros for checking for restricting functions to primary instance only */
81 #define PROC_PRIMARY_OR_ERR_RET(retval) do { \
82         if (rte_eal_process_type() != RTE_PROC_PRIMARY) { \
83                 PMD_DEBUG_TRACE("Cannot run in secondary processes\n"); \
84                 return (retval); \
85         } \
86 } while(0)
87 #define PROC_PRIMARY_OR_RET() do { \
88         if (rte_eal_process_type() != RTE_PROC_PRIMARY) { \
89                 PMD_DEBUG_TRACE("Cannot run in secondary processes\n"); \
90                 return; \
91         } \
92 } while(0)
93
94 /* Macros to check for invlaid function pointers in dev_ops structure */
95 #define FUNC_PTR_OR_ERR_RET(func, retval) do { \
96         if ((func) == NULL) { \
97                 PMD_DEBUG_TRACE("Function not supported\n"); \
98                 return (retval); \
99         } \
100 } while(0)
101 #define FUNC_PTR_OR_RET(func) do { \
102         if ((func) == NULL) { \
103                 PMD_DEBUG_TRACE("Function not supported\n"); \
104                 return; \
105         } \
106 } while(0)
107
108 static const char *MZ_RTE_ETH_DEV_DATA = "rte_eth_dev_data";
109 struct rte_eth_dev rte_eth_devices[RTE_MAX_ETHPORTS];
110 static struct rte_eth_dev_data *rte_eth_dev_data = NULL;
111 static uint8_t nb_ports = 0;
112
113 /* spinlock for eth device callbacks */
114 static rte_spinlock_t rte_eth_dev_cb_lock = RTE_SPINLOCK_INITIALIZER;
115
116 /**
117  * The user application callback description.
118  *
119  * It contains callback address to be registered by user application,
120  * the pointer to the parameters for callback, and the event type.
121  */
122 struct rte_eth_dev_callback {
123         TAILQ_ENTRY(rte_eth_dev_callback) next; /**< Callbacks list */
124         rte_eth_dev_cb_fn cb_fn;                /**< Callback address */
125         void *cb_arg;                           /**< Parameter for callback */
126         enum rte_eth_event_type event;          /**< Interrupt event type */
127 };
128
129 enum {
130         STAT_QMAP_TX = 0,
131         STAT_QMAP_RX
132 };
133
134 static inline void
135 rte_eth_dev_data_alloc(void)
136 {
137         const unsigned flags = 0;
138         const struct rte_memzone *mz;
139
140         if (rte_eal_process_type() == RTE_PROC_PRIMARY){
141                 mz = rte_memzone_reserve(MZ_RTE_ETH_DEV_DATA,
142                                 RTE_MAX_ETHPORTS * sizeof(*rte_eth_dev_data),
143                                 rte_socket_id(), flags);
144         } else
145                 mz = rte_memzone_lookup(MZ_RTE_ETH_DEV_DATA);
146         if (mz == NULL)
147                 rte_panic("Cannot allocate memzone for ethernet port data\n");
148
149         rte_eth_dev_data = mz->addr;
150         if (rte_eal_process_type() == RTE_PROC_PRIMARY)
151                 memset(rte_eth_dev_data, 0,
152                                 RTE_MAX_ETHPORTS * sizeof(*rte_eth_dev_data));
153 }
154
155 static inline struct rte_eth_dev *
156 rte_eth_dev_allocate(void)
157 {
158         struct rte_eth_dev *eth_dev;
159
160         if (nb_ports == RTE_MAX_ETHPORTS) {
161                 PMD_DEBUG_TRACE("Reached maximum number of ethernet ports\n");
162                 return NULL;
163         }
164
165         if (rte_eth_dev_data == NULL)
166                 rte_eth_dev_data_alloc();
167
168         eth_dev = &rte_eth_devices[nb_ports];
169         eth_dev->data = &rte_eth_dev_data[nb_ports];
170         eth_dev->data->port_id = nb_ports++;
171         return eth_dev;
172 }
173
174 static int
175 rte_eth_dev_init(struct rte_pci_driver *pci_drv,
176                  struct rte_pci_device *pci_dev)
177 {
178         struct eth_driver    *eth_drv;
179         struct rte_eth_dev *eth_dev;
180         int diag;
181
182         eth_drv = (struct eth_driver *)pci_drv;
183
184         eth_dev = rte_eth_dev_allocate();
185         if (eth_dev == NULL)
186                 return -ENOMEM;
187
188         if (rte_eal_process_type() == RTE_PROC_PRIMARY){
189                 eth_dev->data->dev_private = rte_zmalloc("ethdev private structure",
190                                   eth_drv->dev_private_size,
191                                   CACHE_LINE_SIZE);
192                 if (eth_dev->data->dev_private == NULL)
193                         rte_panic("Cannot allocate memzone for private port data\n");
194         }
195         eth_dev->pci_dev = pci_dev;
196         eth_dev->driver = eth_drv;
197         eth_dev->data->rx_mbuf_alloc_failed = 0;
198
199         /* init user callbacks */
200         TAILQ_INIT(&(eth_dev->callbacks));
201
202         /*
203          * Set the default maximum frame size.
204          */
205         eth_dev->data->max_frame_size = ETHER_MAX_LEN;
206
207         /* Invoke PMD device initialization function */
208         diag = (*eth_drv->eth_dev_init)(eth_drv, eth_dev);
209         if (diag == 0)
210                 return (0);
211
212         PMD_DEBUG_TRACE("driver %s: eth_dev_init(vendor_id=0x%u device_id=0x%x)"
213                         " failed\n", pci_drv->name,
214                         (unsigned) pci_dev->id.vendor_id,
215                         (unsigned) pci_dev->id.device_id);
216         if (rte_eal_process_type() == RTE_PROC_PRIMARY)
217                 rte_free(eth_dev->data->dev_private);
218         nb_ports--;
219         return diag;
220 }
221
222 /**
223  * Register an Ethernet [Poll Mode] driver.
224  *
225  * Function invoked by the initialization function of an Ethernet driver
226  * to simultaneously register itself as a PCI driver and as an Ethernet
227  * Poll Mode Driver.
228  * Invokes the rte_eal_pci_register() function to register the *pci_drv*
229  * structure embedded in the *eth_drv* structure, after having stored the
230  * address of the rte_eth_dev_init() function in the *devinit* field of
231  * the *pci_drv* structure.
232  * During the PCI probing phase, the rte_eth_dev_init() function is
233  * invoked for each PCI [Ethernet device] matching the embedded PCI
234  * identifiers provided by the driver.
235  */
236 void
237 rte_eth_driver_register(struct eth_driver *eth_drv)
238 {
239         eth_drv->pci_drv.devinit = rte_eth_dev_init;
240         rte_eal_pci_register(&eth_drv->pci_drv);
241 }
242
243 uint8_t
244 rte_eth_dev_count(void)
245 {
246         return (nb_ports);
247 }
248
249 int
250 rte_eth_dev_configure(uint8_t port_id, uint16_t nb_rx_q, uint16_t nb_tx_q,
251                       const struct rte_eth_conf *dev_conf)
252 {
253         struct rte_eth_dev *dev;
254         struct rte_eth_dev_info dev_info;
255         int diag;
256
257         /* This function is only safe when called from the primary process
258          * in a multi-process setup*/
259         PROC_PRIMARY_OR_ERR_RET(-E_RTE_SECONDARY);
260
261         if (port_id >= nb_ports || port_id >= RTE_MAX_ETHPORTS) {
262                 PMD_DEBUG_TRACE("Invalid port_id=%d\n", port_id);
263                 return (-EINVAL);
264         }
265         dev = &rte_eth_devices[port_id];
266
267         FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_infos_get, -ENOTSUP);
268         FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_configure, -ENOTSUP);
269
270         if (dev->data->dev_started) {
271                 PMD_DEBUG_TRACE(
272                     "port %d must be stopped to allow configuration\n", port_id);
273                 return (-EBUSY);
274         }
275
276         /*
277          * Check that the numbers of RX and TX queues are not greater
278          * than the maximum number of RX and TX queues supported by the
279          * configured device.
280          */
281         (*dev->dev_ops->dev_infos_get)(dev, &dev_info);
282         if (nb_rx_q > dev_info.max_rx_queues) {
283                 PMD_DEBUG_TRACE("ethdev port_id=%d nb_rx_queues=%d > %d\n",
284                                 port_id, nb_rx_q, dev_info.max_rx_queues);
285                 return (-EINVAL);
286         }
287         if (nb_rx_q == 0) {
288                 PMD_DEBUG_TRACE("ethdev port_id=%d nb_rx_q == 0\n", port_id);
289                 return (-EINVAL);
290         }
291
292         if (nb_tx_q > dev_info.max_tx_queues) {
293                 PMD_DEBUG_TRACE("ethdev port_id=%d nb_tx_queues=%d > %d\n",
294                                 port_id, nb_tx_q, dev_info.max_tx_queues);
295                 return (-EINVAL);
296         }
297         if (nb_tx_q == 0) {
298                 PMD_DEBUG_TRACE("ethdev port_id=%d nb_tx_q == 0\n", port_id);
299                 return (-EINVAL);
300         }
301
302         /* Copy the dev_conf parameter into the dev structure */
303         memcpy(&dev->data->dev_conf, dev_conf, sizeof(dev->data->dev_conf));
304
305         /*
306          * If jumbo frames are enabled, check that the maximum RX packet
307          * length is supported by the configured device.
308          */
309         if (dev_conf->rxmode.jumbo_frame == 1) {
310                 if (dev_conf->rxmode.max_rx_pkt_len >
311                     dev_info.max_rx_pktlen) {
312                         PMD_DEBUG_TRACE("ethdev port_id=%d max_rx_pkt_len %u"
313                                 " > max valid value %u\n",
314                                 port_id,
315                                 (unsigned)dev_conf->rxmode.max_rx_pkt_len,
316                                 (unsigned)dev_info.max_rx_pktlen);
317                         return (-EINVAL);
318                 }
319         } else
320                 /* Use default value */
321                 dev->data->dev_conf.rxmode.max_rx_pkt_len = ETHER_MAX_LEN;
322
323         /* For vmdb+dcb mode check our configuration before we go further */
324         if (dev_conf->rxmode.mq_mode == ETH_VMDQ_DCB) {
325                 const struct rte_eth_vmdq_dcb_conf *conf;
326
327                 if (nb_rx_q != ETH_VMDQ_DCB_NUM_QUEUES) {
328                         PMD_DEBUG_TRACE("ethdev port_id=%d VMDQ+DCB, nb_rx_q "
329                                         "!= %d\n",
330                                         port_id, ETH_VMDQ_DCB_NUM_QUEUES);
331                         return (-EINVAL);
332                 }
333                 conf = &(dev_conf->rx_adv_conf.vmdq_dcb_conf);
334                 if (! (conf->nb_queue_pools == ETH_16_POOLS ||
335                        conf->nb_queue_pools == ETH_32_POOLS)) {
336                     PMD_DEBUG_TRACE("ethdev port_id=%d VMDQ+DCB selected, "
337                                     "nb_queue_pools must be %d or %d\n",
338                                     port_id, ETH_16_POOLS, ETH_32_POOLS);
339                     return (-EINVAL);
340                 }
341         }
342
343         diag = (*dev->dev_ops->dev_configure)(dev, nb_rx_q, nb_tx_q);
344         if (diag != 0) {
345                 rte_free(dev->data->rx_queues);
346                 rte_free(dev->data->tx_queues);
347         }
348         return diag;
349 }
350
351 static void
352 rte_eth_dev_config_restore(uint8_t port_id)
353 {
354         struct rte_eth_dev *dev;
355         struct rte_eth_dev_info dev_info;
356         struct ether_addr addr;
357         uint16_t i;
358
359         dev = &rte_eth_devices[port_id];
360
361         rte_eth_dev_info_get(port_id, &dev_info);
362
363         /* replay MAC address configuration */
364         for (i = 0; i < dev_info.max_mac_addrs; i++) {
365                 addr = dev->data->mac_addrs[i];
366
367                 /* skip zero address */
368                 if (is_zero_ether_addr(&addr))
369                         continue;
370
371                 /* add address to the hardware */
372                 if  (*dev->dev_ops->mac_addr_add)
373                         (*dev->dev_ops->mac_addr_add)(dev, &addr, i, 0);
374                 else {
375                         PMD_DEBUG_TRACE("port %d: MAC address array not supported\n",
376                                         port_id);
377                         /* exit the loop but not return an error */
378                         break;
379                 }
380         }
381
382         /* replay promiscuous configuration */
383         if (rte_eth_promiscuous_get(port_id) == 1)
384                 rte_eth_promiscuous_enable(port_id);
385         else if (rte_eth_promiscuous_get(port_id) == 0)
386                 rte_eth_promiscuous_disable(port_id);
387
388         /* replay allmulticast configuration */
389         if (rte_eth_allmulticast_get(port_id) == 1)
390                 rte_eth_allmulticast_enable(port_id);
391         else if (rte_eth_allmulticast_get(port_id) == 0)
392                 rte_eth_allmulticast_disable(port_id);
393 }
394
395 int
396 rte_eth_dev_start(uint8_t port_id)
397 {
398         struct rte_eth_dev *dev;
399         int diag;
400
401         /* This function is only safe when called from the primary process
402          * in a multi-process setup*/
403         PROC_PRIMARY_OR_ERR_RET(-E_RTE_SECONDARY);
404
405         if (port_id >= nb_ports) {
406                 PMD_DEBUG_TRACE("Invalid port_id=%d\n", port_id);
407                 return (-EINVAL);
408         }
409         dev = &rte_eth_devices[port_id];
410
411         FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_start, -ENOTSUP);
412         diag = (*dev->dev_ops->dev_start)(dev);
413         if (diag == 0)
414                 dev->data->dev_started = 1;
415         else
416                 return diag;
417
418         rte_eth_dev_config_restore(port_id);
419
420         return 0;
421 }
422
423 void
424 rte_eth_dev_stop(uint8_t port_id)
425 {
426         struct rte_eth_dev *dev;
427
428         /* This function is only safe when called from the primary process
429          * in a multi-process setup*/
430         PROC_PRIMARY_OR_RET();
431
432         if (port_id >= nb_ports) {
433                 PMD_DEBUG_TRACE("Invalid port_id=%d\n", port_id);
434                 return;
435         }
436         dev = &rte_eth_devices[port_id];
437
438         FUNC_PTR_OR_RET(*dev->dev_ops->dev_stop);
439         dev->data->dev_started = 0;
440         (*dev->dev_ops->dev_stop)(dev);
441 }
442
443 void
444 rte_eth_dev_close(uint8_t port_id)
445 {
446         struct rte_eth_dev *dev;
447
448         /* This function is only safe when called from the primary process
449          * in a multi-process setup*/
450         PROC_PRIMARY_OR_RET();
451
452         if (port_id >= nb_ports) {
453                 PMD_DEBUG_TRACE("Invalid port_id=%d\n", port_id);
454                 return;
455         }
456
457         dev = &rte_eth_devices[port_id];
458
459         FUNC_PTR_OR_RET(*dev->dev_ops->dev_close);
460         dev->data->dev_started = 0;
461         (*dev->dev_ops->dev_close)(dev);
462 }
463
464 int
465 rte_eth_rx_queue_setup(uint8_t port_id, uint16_t rx_queue_id,
466                        uint16_t nb_rx_desc, unsigned int socket_id,
467                        const struct rte_eth_rxconf *rx_conf,
468                        struct rte_mempool *mp)
469 {
470         struct rte_eth_dev *dev;
471         struct rte_pktmbuf_pool_private *mbp_priv;
472         struct rte_eth_dev_info dev_info;
473
474         /* This function is only safe when called from the primary process
475          * in a multi-process setup*/
476         PROC_PRIMARY_OR_ERR_RET(-E_RTE_SECONDARY);
477
478         if (port_id >= nb_ports) {
479                 PMD_DEBUG_TRACE("Invalid port_id=%d\n", port_id);
480                 return (-EINVAL);
481         }
482         dev = &rte_eth_devices[port_id];
483         if (rx_queue_id >= dev->data->nb_rx_queues) {
484                 PMD_DEBUG_TRACE("Invalid RX queue_id=%d\n", rx_queue_id);
485                 return (-EINVAL);
486         }
487
488         if (dev->data->dev_started) {
489                 PMD_DEBUG_TRACE(
490                     "port %d must be stopped to allow configuration\n", port_id);
491                 return -EBUSY;
492         }
493
494         FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_infos_get, -ENOTSUP);
495         FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_setup, -ENOTSUP);
496
497         /*
498          * Check the size of the mbuf data buffer.
499          * This value must be provided in the private data of the memory pool.
500          * First check that the memory pool has a valid private data.
501          */
502         (*dev->dev_ops->dev_infos_get)(dev, &dev_info);
503         if (mp->private_data_size < sizeof(struct rte_pktmbuf_pool_private)) {
504                 PMD_DEBUG_TRACE("%s private_data_size %d < %d\n",
505                                 mp->name, (int) mp->private_data_size,
506                                 (int) sizeof(struct rte_pktmbuf_pool_private));
507                 return (-ENOSPC);
508         }
509         mbp_priv = (struct rte_pktmbuf_pool_private *)
510                 ((char *)mp + sizeof(struct rte_mempool));
511         if ((uint32_t) (mbp_priv->mbuf_data_room_size - RTE_PKTMBUF_HEADROOM) <
512             dev_info.min_rx_bufsize) {
513                 PMD_DEBUG_TRACE("%s mbuf_data_room_size %d < %d "
514                                 "(RTE_PKTMBUF_HEADROOM=%d + min_rx_bufsize(dev)"
515                                 "=%d)\n",
516                                 mp->name,
517                                 (int)mbp_priv->mbuf_data_room_size,
518                                 (int)(RTE_PKTMBUF_HEADROOM +
519                                       dev_info.min_rx_bufsize),
520                                 (int)RTE_PKTMBUF_HEADROOM,
521                                 (int)dev_info.min_rx_bufsize);
522                 return (-EINVAL);
523         }
524
525         return (*dev->dev_ops->rx_queue_setup)(dev, rx_queue_id, nb_rx_desc,
526                                                socket_id, rx_conf, mp);
527 }
528
529 int
530 rte_eth_tx_queue_setup(uint8_t port_id, uint16_t tx_queue_id,
531                        uint16_t nb_tx_desc, unsigned int socket_id,
532                        const struct rte_eth_txconf *tx_conf)
533 {
534         struct rte_eth_dev *dev;
535
536         /* This function is only safe when called from the primary process
537          * in a multi-process setup*/
538         PROC_PRIMARY_OR_ERR_RET(-E_RTE_SECONDARY);
539
540         if (port_id >= nb_ports) {
541                 PMD_DEBUG_TRACE("Invalid port_id=%d\n", port_id);
542                 return (-EINVAL);
543         }
544         dev = &rte_eth_devices[port_id];
545         if (tx_queue_id >= dev->data->nb_tx_queues) {
546                 PMD_DEBUG_TRACE("Invalid TX queue_id=%d\n", tx_queue_id);
547                 return (-EINVAL);
548         }
549
550         if (dev->data->dev_started) {
551                 PMD_DEBUG_TRACE(
552                     "port %d must be stopped to allow configuration\n", port_id);
553                 return -EBUSY;
554         }
555
556         FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_setup, -ENOTSUP);
557         return (*dev->dev_ops->tx_queue_setup)(dev, tx_queue_id, nb_tx_desc,
558                                                socket_id, tx_conf);
559 }
560
561 void
562 rte_eth_promiscuous_enable(uint8_t port_id)
563 {
564         struct rte_eth_dev *dev;
565
566         if (port_id >= nb_ports) {
567                 PMD_DEBUG_TRACE("Invalid port_id=%d\n", port_id);
568                 return;
569         }
570         dev = &rte_eth_devices[port_id];
571
572         FUNC_PTR_OR_RET(*dev->dev_ops->promiscuous_enable);
573         (*dev->dev_ops->promiscuous_enable)(dev);
574         dev->data->promiscuous = 1;
575 }
576
577 void
578 rte_eth_promiscuous_disable(uint8_t port_id)
579 {
580         struct rte_eth_dev *dev;
581
582         if (port_id >= nb_ports) {
583                 PMD_DEBUG_TRACE("Invalid port_id=%d\n", port_id);
584                 return;
585         }
586         dev = &rte_eth_devices[port_id];
587
588         FUNC_PTR_OR_RET(*dev->dev_ops->promiscuous_disable);
589         dev->data->promiscuous = 0;
590         (*dev->dev_ops->promiscuous_disable)(dev);
591 }
592
593 int
594 rte_eth_promiscuous_get(uint8_t port_id)
595 {
596         struct rte_eth_dev *dev;
597
598         if (port_id >= nb_ports) {
599                 PMD_DEBUG_TRACE("Invalid port_id=%d\n", port_id);
600                 return -1;
601         }
602
603         dev = &rte_eth_devices[port_id];
604         return dev->data->promiscuous;
605 }
606
607 void
608 rte_eth_allmulticast_enable(uint8_t port_id)
609 {
610         struct rte_eth_dev *dev;
611
612         if (port_id >= nb_ports) {
613                 PMD_DEBUG_TRACE("Invalid port_id=%d\n", port_id);
614                 return;
615         }
616         dev = &rte_eth_devices[port_id];
617
618         FUNC_PTR_OR_RET(*dev->dev_ops->allmulticast_enable);
619         (*dev->dev_ops->allmulticast_enable)(dev);
620         dev->data->all_multicast = 1;
621 }
622
623 void
624 rte_eth_allmulticast_disable(uint8_t port_id)
625 {
626         struct rte_eth_dev *dev;
627
628         if (port_id >= nb_ports) {
629                 PMD_DEBUG_TRACE("Invalid port_id=%d\n", port_id);
630                 return;
631         }
632         dev = &rte_eth_devices[port_id];
633
634         FUNC_PTR_OR_RET(*dev->dev_ops->allmulticast_disable);
635         dev->data->all_multicast = 0;
636         (*dev->dev_ops->allmulticast_disable)(dev);
637 }
638
639 int
640 rte_eth_allmulticast_get(uint8_t port_id)
641 {
642         struct rte_eth_dev *dev;
643
644         if (port_id >= nb_ports) {
645                 PMD_DEBUG_TRACE("Invalid port_id=%d\n", port_id);
646                 return -1;
647         }
648
649         dev = &rte_eth_devices[port_id];
650         return dev->data->all_multicast;
651 }
652
653 static inline int
654 rte_eth_dev_atomic_read_link_status(struct rte_eth_dev *dev,
655                                 struct rte_eth_link *link)
656 {
657         struct rte_eth_link *dst = link;
658         struct rte_eth_link *src = &(dev->data->dev_link);
659
660         if (rte_atomic64_cmpset((uint64_t *)dst, *(uint64_t *)dst,
661                                         *(uint64_t *)src) == 0)
662                 return -1;
663
664         return 0;
665 }
666
667 void
668 rte_eth_link_get(uint8_t port_id, struct rte_eth_link *eth_link)
669 {
670         struct rte_eth_dev *dev;
671
672         if (port_id >= nb_ports) {
673                 PMD_DEBUG_TRACE("Invalid port_id=%d\n", port_id);
674                 return;
675         }
676         dev = &rte_eth_devices[port_id];
677         FUNC_PTR_OR_RET(*dev->dev_ops->link_update);
678
679         if (dev->data->dev_conf.intr_conf.lsc != 0)
680                 rte_eth_dev_atomic_read_link_status(dev, eth_link);
681         else {
682                 (*dev->dev_ops->link_update)(dev, 1);
683                 *eth_link = dev->data->dev_link;
684         }
685 }
686
687 void
688 rte_eth_link_get_nowait(uint8_t port_id, struct rte_eth_link *eth_link)
689 {
690         struct rte_eth_dev *dev;
691
692         if (port_id >= nb_ports) {
693                 PMD_DEBUG_TRACE("Invalid port_id=%d\n", port_id);
694                 return;
695         }
696         dev = &rte_eth_devices[port_id];
697         FUNC_PTR_OR_RET(*dev->dev_ops->link_update);
698
699         if (dev->data->dev_conf.intr_conf.lsc != 0)
700                 rte_eth_dev_atomic_read_link_status(dev, eth_link);
701         else {
702                 (*dev->dev_ops->link_update)(dev, 0);
703                 *eth_link = dev->data->dev_link;
704         }
705 }
706
707 void
708 rte_eth_stats_get(uint8_t port_id, struct rte_eth_stats *stats)
709 {
710         struct rte_eth_dev *dev;
711
712         if (port_id >= nb_ports) {
713                 PMD_DEBUG_TRACE("Invalid port_id=%d\n", port_id);
714                 return;
715         }
716         dev = &rte_eth_devices[port_id];
717
718         FUNC_PTR_OR_RET(*dev->dev_ops->stats_get);
719         (*dev->dev_ops->stats_get)(dev, stats);
720         stats->rx_nombuf = dev->data->rx_mbuf_alloc_failed;
721 }
722
723 void
724 rte_eth_stats_reset(uint8_t port_id)
725 {
726         struct rte_eth_dev *dev;
727
728         if (port_id >= nb_ports) {
729                 PMD_DEBUG_TRACE("Invalid port_id=%d\n", port_id);
730                 return;
731         }
732         dev = &rte_eth_devices[port_id];
733
734         FUNC_PTR_OR_RET(*dev->dev_ops->stats_reset);
735         (*dev->dev_ops->stats_reset)(dev);
736 }
737
738
739 static int
740 set_queue_stats_mapping(uint8_t port_id, uint16_t queue_id, uint8_t stat_idx,
741                 uint8_t is_rx)
742 {
743         struct rte_eth_dev *dev;
744
745         if (port_id >= nb_ports) {
746                 PMD_DEBUG_TRACE("Invalid port_id=%d\n", port_id);
747                 return -ENODEV;
748         }
749         dev = &rte_eth_devices[port_id];
750
751         FUNC_PTR_OR_ERR_RET(*dev->dev_ops->queue_stats_mapping_set, -ENOTSUP);
752         return (*dev->dev_ops->queue_stats_mapping_set)
753                         (dev, queue_id, stat_idx, is_rx);
754 }
755
756
757 int
758 rte_eth_dev_set_tx_queue_stats_mapping(uint8_t port_id, uint16_t tx_queue_id,
759                 uint8_t stat_idx)
760 {
761         return set_queue_stats_mapping(port_id, tx_queue_id, stat_idx,
762                         STAT_QMAP_TX);
763 }
764
765
766 int
767 rte_eth_dev_set_rx_queue_stats_mapping(uint8_t port_id, uint16_t rx_queue_id,
768                 uint8_t stat_idx)
769 {
770         return set_queue_stats_mapping(port_id, rx_queue_id, stat_idx,
771                         STAT_QMAP_RX);
772 }
773
774
775 void
776 rte_eth_dev_info_get(uint8_t port_id, struct rte_eth_dev_info *dev_info)
777 {
778         struct rte_eth_dev *dev;
779
780         if (port_id >= nb_ports) {
781                 PMD_DEBUG_TRACE("Invalid port_id=%d\n", port_id);
782                 return;
783         }
784         dev = &rte_eth_devices[port_id];
785
786         FUNC_PTR_OR_RET(*dev->dev_ops->dev_infos_get);
787         (*dev->dev_ops->dev_infos_get)(dev, dev_info);
788         dev_info->pci_dev = dev->pci_dev;
789         dev_info->driver_name = dev->driver->pci_drv.name;
790 }
791
792 void
793 rte_eth_macaddr_get(uint8_t port_id, struct ether_addr *mac_addr)
794 {
795         struct rte_eth_dev *dev;
796
797         if (port_id >= nb_ports) {
798                 PMD_DEBUG_TRACE("Invalid port_id=%d\n", port_id);
799                 return;
800         }
801         dev = &rte_eth_devices[port_id];
802         ether_addr_copy(&dev->data->mac_addrs[0], mac_addr);
803 }
804
805 int
806 rte_eth_dev_vlan_filter(uint8_t port_id, uint16_t vlan_id, int on)
807 {
808         struct rte_eth_dev *dev;
809
810         if (port_id >= nb_ports) {
811                 PMD_DEBUG_TRACE("Invalid port_id=%d\n", port_id);
812                 return (-ENODEV);
813         }
814         dev = &rte_eth_devices[port_id];
815         if (! (dev->data->dev_conf.rxmode.hw_vlan_filter)) {
816                 PMD_DEBUG_TRACE("port %d: vlan-filtering disabled\n", port_id);
817                 return (-ENOSYS);
818         }
819
820         if (vlan_id > 4095) {
821                 PMD_DEBUG_TRACE("(port_id=%d) invalid vlan_id=%u > 4095\n",
822                                 port_id, (unsigned) vlan_id);
823                 return (-EINVAL);
824         }
825         FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_filter_set, -ENOTSUP);
826         (*dev->dev_ops->vlan_filter_set)(dev, vlan_id, on);
827         return (0);
828 }
829
830 int
831 rte_eth_dev_fdir_add_signature_filter(uint8_t port_id,
832                                       struct rte_fdir_filter *fdir_filter,
833                                       uint8_t queue)
834 {
835         struct rte_eth_dev *dev;
836
837         if (port_id >= nb_ports) {
838                 PMD_DEBUG_TRACE("Invalid port_id=%d\n", port_id);
839                 return (-ENODEV);
840         }
841
842         dev = &rte_eth_devices[port_id];
843
844         if (dev->data->dev_conf.fdir_conf.mode != RTE_FDIR_MODE_SIGNATURE) {
845                 PMD_DEBUG_TRACE("port %d: invalid FDIR mode=%u\n",
846                                 port_id, dev->data->dev_conf.fdir_conf.mode);
847                 return (-ENOSYS);
848         }
849
850         if ((fdir_filter->l4type == RTE_FDIR_L4TYPE_SCTP
851              || fdir_filter->l4type == RTE_FDIR_L4TYPE_NONE)
852             && (fdir_filter->port_src || fdir_filter->port_dst)) {
853                 PMD_DEBUG_TRACE(" Port are meaningless for SCTP and " \
854                                 "None l4type, source & destinations ports " \
855                                 "should be null!\n");
856                 return (-EINVAL);
857         }
858
859         FUNC_PTR_OR_ERR_RET(*dev->dev_ops->fdir_add_signature_filter, -ENOTSUP);
860         return (*dev->dev_ops->fdir_add_signature_filter)(dev, fdir_filter,
861                                                                 queue);
862 }
863
864 int
865 rte_eth_dev_fdir_update_signature_filter(uint8_t port_id,
866                                          struct rte_fdir_filter *fdir_filter,
867                                          uint8_t queue)
868 {
869         struct rte_eth_dev *dev;
870
871         if (port_id >= nb_ports) {
872                 PMD_DEBUG_TRACE("Invalid port_id=%d\n", port_id);
873                 return (-ENODEV);
874         }
875
876         dev = &rte_eth_devices[port_id];
877
878         if (dev->data->dev_conf.fdir_conf.mode != RTE_FDIR_MODE_SIGNATURE) {
879                 PMD_DEBUG_TRACE("port %d: invalid FDIR mode=%u\n",
880                                 port_id, dev->data->dev_conf.fdir_conf.mode);
881                 return (-ENOSYS);
882         }
883
884         if ((fdir_filter->l4type == RTE_FDIR_L4TYPE_SCTP
885              || fdir_filter->l4type == RTE_FDIR_L4TYPE_NONE)
886             && (fdir_filter->port_src || fdir_filter->port_dst)) {
887                 PMD_DEBUG_TRACE(" Port are meaningless for SCTP and " \
888                                 "None l4type, source & destinations ports " \
889                                 "should be null!\n");
890                 return (-EINVAL);
891         }
892
893         FUNC_PTR_OR_ERR_RET(*dev->dev_ops->fdir_update_signature_filter, -ENOTSUP);
894         return (*dev->dev_ops->fdir_update_signature_filter)(dev, fdir_filter,
895                                                                 queue);
896
897 }
898
899 int
900 rte_eth_dev_fdir_remove_signature_filter(uint8_t port_id,
901                                          struct rte_fdir_filter *fdir_filter)
902 {
903         struct rte_eth_dev *dev;
904
905         if (port_id >= nb_ports) {
906                 PMD_DEBUG_TRACE("Invalid port_id=%d\n", port_id);
907                 return (-ENODEV);
908         }
909
910         dev = &rte_eth_devices[port_id];
911
912         if (dev->data->dev_conf.fdir_conf.mode != RTE_FDIR_MODE_SIGNATURE) {
913                 PMD_DEBUG_TRACE("port %d: invalid FDIR mode=%u\n",
914                                 port_id, dev->data->dev_conf.fdir_conf.mode);
915                 return (-ENOSYS);
916         }
917
918         if ((fdir_filter->l4type == RTE_FDIR_L4TYPE_SCTP
919              || fdir_filter->l4type == RTE_FDIR_L4TYPE_NONE)
920             && (fdir_filter->port_src || fdir_filter->port_dst)) {
921                 PMD_DEBUG_TRACE(" Port are meaningless for SCTP and " \
922                                 "None l4type source & destinations ports " \
923                                 "should be null!\n");
924                 return (-EINVAL);
925         }
926
927         FUNC_PTR_OR_ERR_RET(*dev->dev_ops->fdir_remove_signature_filter, -ENOTSUP);
928         return (*dev->dev_ops->fdir_remove_signature_filter)(dev, fdir_filter);
929 }
930
931 int
932 rte_eth_dev_fdir_get_infos(uint8_t port_id, struct rte_eth_fdir *fdir)
933 {
934         struct rte_eth_dev *dev;
935
936         if (port_id >= nb_ports) {
937                 PMD_DEBUG_TRACE("Invalid port_id=%d\n", port_id);
938                 return (-ENODEV);
939         }
940
941         dev = &rte_eth_devices[port_id];
942         if (! (dev->data->dev_conf.fdir_conf.mode)) {
943                 PMD_DEBUG_TRACE("port %d: pkt-filter disabled\n", port_id);
944                 return (-ENOSYS);
945         }
946
947         FUNC_PTR_OR_ERR_RET(*dev->dev_ops->fdir_infos_get, -ENOTSUP);
948
949         (*dev->dev_ops->fdir_infos_get)(dev, fdir);
950         return (0);
951 }
952
953 int
954 rte_eth_dev_fdir_add_perfect_filter(uint8_t port_id,
955                                     struct rte_fdir_filter *fdir_filter,
956                                     uint16_t soft_id, uint8_t queue,
957                                     uint8_t drop)
958 {
959         struct rte_eth_dev *dev;
960
961         if (port_id >= nb_ports) {
962                 PMD_DEBUG_TRACE("Invalid port_id=%d\n", port_id);
963                 return (-ENODEV);
964         }
965
966         dev = &rte_eth_devices[port_id];
967
968         if (dev->data->dev_conf.fdir_conf.mode != RTE_FDIR_MODE_PERFECT) {
969                 PMD_DEBUG_TRACE("port %d: invalid FDIR mode=%u\n",
970                                 port_id, dev->data->dev_conf.fdir_conf.mode);
971                 return (-ENOSYS);
972         }
973
974         if ((fdir_filter->l4type == RTE_FDIR_L4TYPE_SCTP
975              || fdir_filter->l4type == RTE_FDIR_L4TYPE_NONE)
976             && (fdir_filter->port_src || fdir_filter->port_dst)) {
977                 PMD_DEBUG_TRACE(" Port are meaningless for SCTP and " \
978                                 "None l4type, source & destinations ports " \
979                                 "should be null!\n");
980                 return (-EINVAL);
981         }
982
983         /* For now IPv6 is not supported with perfect filter */
984         if (fdir_filter->iptype == RTE_FDIR_IPTYPE_IPV6)
985                 return (-ENOTSUP);
986
987         FUNC_PTR_OR_ERR_RET(*dev->dev_ops->fdir_add_perfect_filter, -ENOTSUP);
988         return (*dev->dev_ops->fdir_add_perfect_filter)(dev, fdir_filter,
989                                                                 soft_id, queue,
990                                                                 drop);
991 }
992
993 int
994 rte_eth_dev_fdir_update_perfect_filter(uint8_t port_id,
995                                        struct rte_fdir_filter *fdir_filter,
996                                        uint16_t soft_id, uint8_t queue,
997                                        uint8_t drop)
998 {
999         struct rte_eth_dev *dev;
1000
1001         if (port_id >= nb_ports) {
1002                 PMD_DEBUG_TRACE("Invalid port_id=%d\n", port_id);
1003                 return (-ENODEV);
1004         }
1005
1006         dev = &rte_eth_devices[port_id];
1007
1008         if (dev->data->dev_conf.fdir_conf.mode != RTE_FDIR_MODE_PERFECT) {
1009                 PMD_DEBUG_TRACE("port %d: invalid FDIR mode=%u\n",
1010                                 port_id, dev->data->dev_conf.fdir_conf.mode);
1011                 return (-ENOSYS);
1012         }
1013
1014         if ((fdir_filter->l4type == RTE_FDIR_L4TYPE_SCTP
1015              || fdir_filter->l4type == RTE_FDIR_L4TYPE_NONE)
1016             && (fdir_filter->port_src || fdir_filter->port_dst)) {
1017                 PMD_DEBUG_TRACE(" Port are meaningless for SCTP and " \
1018                                 "None l4type, source & destinations ports " \
1019                                 "should be null!\n");
1020                 return (-EINVAL);
1021         }
1022
1023         /* For now IPv6 is not supported with perfect filter */
1024         if (fdir_filter->iptype == RTE_FDIR_IPTYPE_IPV6)
1025                 return (-ENOTSUP);
1026
1027         FUNC_PTR_OR_ERR_RET(*dev->dev_ops->fdir_update_perfect_filter, -ENOTSUP);
1028         return (*dev->dev_ops->fdir_update_perfect_filter)(dev, fdir_filter,
1029                                                         soft_id, queue, drop);
1030 }
1031
1032 int
1033 rte_eth_dev_fdir_remove_perfect_filter(uint8_t port_id,
1034                                        struct rte_fdir_filter *fdir_filter,
1035                                        uint16_t soft_id)
1036 {
1037         struct rte_eth_dev *dev;
1038
1039         if (port_id >= nb_ports) {
1040                 PMD_DEBUG_TRACE("Invalid port_id=%d\n", port_id);
1041                 return (-ENODEV);
1042         }
1043
1044         dev = &rte_eth_devices[port_id];
1045
1046         if (dev->data->dev_conf.fdir_conf.mode != RTE_FDIR_MODE_PERFECT) {
1047                 PMD_DEBUG_TRACE("port %d: invalid FDIR mode=%u\n",
1048                                 port_id, dev->data->dev_conf.fdir_conf.mode);
1049                 return (-ENOSYS);
1050         }
1051
1052         if ((fdir_filter->l4type == RTE_FDIR_L4TYPE_SCTP
1053              || fdir_filter->l4type == RTE_FDIR_L4TYPE_NONE)
1054             && (fdir_filter->port_src || fdir_filter->port_dst)) {
1055                 PMD_DEBUG_TRACE(" Port are meaningless for SCTP and " \
1056                                 "None l4type, source & destinations ports " \
1057                                 "should be null!\n");
1058                 return (-EINVAL);
1059         }
1060
1061         /* For now IPv6 is not supported with perfect filter */
1062         if (fdir_filter->iptype == RTE_FDIR_IPTYPE_IPV6)
1063                 return (-ENOTSUP);
1064
1065         FUNC_PTR_OR_ERR_RET(*dev->dev_ops->fdir_remove_perfect_filter, -ENOTSUP);
1066         return (*dev->dev_ops->fdir_remove_perfect_filter)(dev, fdir_filter,
1067                                                                 soft_id);
1068 }
1069
1070 int
1071 rte_eth_dev_fdir_set_masks(uint8_t port_id, struct rte_fdir_masks *fdir_mask)
1072 {
1073         struct rte_eth_dev *dev;
1074
1075         if (port_id >= nb_ports) {
1076                 PMD_DEBUG_TRACE("Invalid port_id=%d\n", port_id);
1077                 return (-ENODEV);
1078         }
1079
1080         dev = &rte_eth_devices[port_id];
1081         if (! (dev->data->dev_conf.fdir_conf.mode)) {
1082                 PMD_DEBUG_TRACE("port %d: pkt-filter disabled\n", port_id);
1083                 return (-ENOSYS);
1084         }
1085
1086         /* IPv6 mask are not supported */
1087         if (fdir_mask->src_ipv6_mask)
1088                 return (-ENOTSUP);
1089
1090         FUNC_PTR_OR_ERR_RET(*dev->dev_ops->fdir_set_masks, -ENOTSUP);
1091         return (*dev->dev_ops->fdir_set_masks)(dev, fdir_mask);
1092 }
1093
1094 int
1095 rte_eth_dev_flow_ctrl_set(uint8_t port_id, struct rte_eth_fc_conf *fc_conf)
1096 {
1097         struct rte_eth_dev *dev;
1098
1099         if (port_id >= nb_ports) {
1100                 PMD_DEBUG_TRACE("Invalid port_id=%d\n", port_id);
1101                 return (-ENODEV);
1102         }
1103
1104         if ((fc_conf->send_xon != 0) && (fc_conf->send_xon != 1)) {
1105                 PMD_DEBUG_TRACE("Invalid send_xon, only 0/1 allowed\n");
1106                 return (-EINVAL);
1107         }
1108
1109         dev = &rte_eth_devices[port_id];
1110
1111         /* High water, low water validation are device specific */
1112         FUNC_PTR_OR_ERR_RET(*dev->dev_ops->flow_ctrl_set, -ENOTSUP);
1113         if  (*dev->dev_ops->flow_ctrl_set)
1114                 return (*dev->dev_ops->flow_ctrl_set)(dev, fc_conf);
1115
1116         return -ENOTSUP;
1117 }
1118
1119 int
1120 rte_eth_led_on(uint8_t port_id)
1121 {
1122         struct rte_eth_dev *dev;
1123
1124         if (port_id >= nb_ports) {
1125                 PMD_DEBUG_TRACE("Invalid port_id=%d\n", port_id);
1126                 return (-ENODEV);
1127         }
1128
1129         dev = &rte_eth_devices[port_id];
1130         FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_led_on, -ENOTSUP);
1131         return ((*dev->dev_ops->dev_led_on)(dev));
1132 }
1133
1134 int
1135 rte_eth_led_off(uint8_t port_id)
1136 {
1137         struct rte_eth_dev *dev;
1138
1139         if (port_id >= nb_ports) {
1140                 PMD_DEBUG_TRACE("Invalid port_id=%d\n", port_id);
1141                 return (-ENODEV);
1142         }
1143
1144         dev = &rte_eth_devices[port_id];
1145         FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_led_off, -ENOTSUP);
1146         return ((*dev->dev_ops->dev_led_off)(dev));
1147 }
1148
1149 /*
1150  * Returns index into MAC address array of addr. Use 00:00:00:00:00:00 to find
1151  * an empty spot.
1152  */
1153 static inline int
1154 get_mac_addr_index(uint8_t port_id, struct ether_addr *addr)
1155 {
1156         struct rte_eth_dev_info dev_info;
1157         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
1158         unsigned i;
1159
1160         rte_eth_dev_info_get(port_id, &dev_info);
1161
1162         for (i = 0; i < dev_info.max_mac_addrs; i++)
1163                 if (memcmp(addr, &dev->data->mac_addrs[i], ETHER_ADDR_LEN) == 0)
1164                         return i;
1165
1166         return -1;
1167 }
1168
1169 static struct ether_addr null_mac_addr = {{0, 0, 0, 0, 0, 0}};
1170
1171 int
1172 rte_eth_dev_mac_addr_add(uint8_t port_id, struct ether_addr *addr,
1173                 uint32_t pool)
1174 {
1175         struct rte_eth_dev *dev;
1176         int index;
1177
1178         if (port_id >= nb_ports) {
1179                 PMD_DEBUG_TRACE("Invalid port_id=%d\n", port_id);
1180                 return (-ENODEV);
1181         }
1182         dev = &rte_eth_devices[port_id];
1183         FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mac_addr_add, -ENOTSUP);
1184
1185         if (is_zero_ether_addr(addr)) {
1186                 PMD_DEBUG_TRACE("port %d: Cannot add NULL MAC address\n", port_id);
1187                 return (-EINVAL);
1188         }
1189
1190         /* Check if it's already there, and do nothing */
1191         index = get_mac_addr_index(port_id, addr);
1192         if (index >= 0)
1193                 return 0;
1194
1195         index = get_mac_addr_index(port_id, &null_mac_addr);
1196         if (index < 0) {
1197                 PMD_DEBUG_TRACE("port %d: MAC address array full\n", port_id);
1198                 return (-ENOSPC);
1199         }
1200
1201         /* Update NIC */
1202         (*dev->dev_ops->mac_addr_add)(dev, addr, index, pool);
1203
1204         /* Update address in NIC data structure */
1205         ether_addr_copy(addr, &dev->data->mac_addrs[index]);
1206
1207         return 0;
1208 }
1209
1210 int
1211 rte_eth_dev_mac_addr_remove(uint8_t port_id, struct ether_addr *addr)
1212 {
1213         struct rte_eth_dev *dev;
1214         int index;
1215
1216         if (port_id >= nb_ports) {
1217                 PMD_DEBUG_TRACE("Invalid port_id=%d\n", port_id);
1218                 return (-ENODEV);
1219         }
1220         dev = &rte_eth_devices[port_id];
1221         FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mac_addr_remove, -ENOTSUP);
1222
1223         index = get_mac_addr_index(port_id, addr);
1224         if (index == 0) {
1225                 PMD_DEBUG_TRACE("port %d: Cannot remove default MAC address\n", port_id);
1226                 return (-EADDRINUSE);
1227         } else if (index < 0)
1228                 return 0;  /* Do nothing if address wasn't found */
1229
1230         /* Update NIC */
1231         (*dev->dev_ops->mac_addr_remove)(dev, index);
1232
1233         /* Update address in NIC data structure */
1234         ether_addr_copy(&null_mac_addr, &dev->data->mac_addrs[index]);
1235
1236         return 0;
1237 }
1238
1239 #ifdef RTE_LIBRTE_ETHDEV_DEBUG
1240 uint16_t
1241 rte_eth_rx_burst(uint8_t port_id, uint16_t queue_id,
1242                  struct rte_mbuf **rx_pkts, uint16_t nb_pkts)
1243 {
1244         struct rte_eth_dev *dev;
1245
1246         if (port_id >= nb_ports) {
1247                 PMD_DEBUG_TRACE("Invalid port_id=%d\n", port_id);
1248                 return 0;
1249         }
1250         dev = &rte_eth_devices[port_id];
1251         FUNC_PTR_OR_ERR_RET(*dev->rx_pkt_burst, -ENOTSUP);
1252         if (queue_id >= dev->data->nb_rx_queues) {
1253                 PMD_DEBUG_TRACE("Invalid RX queue_id=%d\n", queue_id);
1254                 return 0;
1255         }
1256         return (*dev->rx_pkt_burst)(dev->data->rx_queues[queue_id],
1257                                                 rx_pkts, nb_pkts);
1258 }
1259
1260 uint16_t
1261 rte_eth_tx_burst(uint8_t port_id, uint16_t queue_id,
1262                  struct rte_mbuf **tx_pkts, uint16_t nb_pkts)
1263 {
1264         struct rte_eth_dev *dev;
1265
1266         if (port_id >= nb_ports) {
1267                 PMD_DEBUG_TRACE("Invalid port_id=%d\n", port_id);
1268                 return 0;
1269         }
1270         dev = &rte_eth_devices[port_id];
1271
1272         FUNC_PTR_OR_ERR_RET(*dev->tx_pkt_burst, -ENOTSUP);
1273         if (queue_id >= dev->data->nb_tx_queues) {
1274                 PMD_DEBUG_TRACE("Invalid TX queue_id=%d\n", queue_id);
1275                 return 0;
1276         }
1277         return (*dev->tx_pkt_burst)(dev->data->tx_queues[queue_id],
1278                                                 tx_pkts, nb_pkts);
1279 }
1280 #endif
1281
1282 int
1283 rte_eth_dev_callback_register(uint8_t port_id,
1284                         enum rte_eth_event_type event,
1285                         rte_eth_dev_cb_fn cb_fn, void *cb_arg)
1286 {
1287         int ret = -1;
1288         struct rte_eth_dev *dev;
1289         struct rte_eth_dev_callback *user_cb = NULL;
1290
1291         if (!cb_fn)
1292                 return -1;
1293         if (port_id >= nb_ports) {
1294                 PMD_DEBUG_TRACE("Invalid port_id=%d\n", port_id);
1295                 return -1;
1296         }
1297         dev = &rte_eth_devices[port_id];
1298         rte_spinlock_lock(&rte_eth_dev_cb_lock);
1299         TAILQ_FOREACH(user_cb, &(dev->callbacks), next) {
1300                 if (user_cb->cb_fn == cb_fn &&
1301                         user_cb->cb_arg == cb_arg &&
1302                         user_cb->event == event) {
1303                         ret = 0;
1304                         goto out;
1305                 }
1306         }
1307         user_cb = rte_malloc("INTR_USER_CALLBACK",
1308                 sizeof(struct rte_eth_dev_callback), 0);
1309         if (!user_cb)
1310                 goto out;
1311         user_cb->cb_fn = cb_fn;
1312         user_cb->cb_arg = cb_arg;
1313         user_cb->event = event;
1314         TAILQ_INSERT_TAIL(&(dev->callbacks), user_cb, next);
1315         ret = 0;
1316
1317 out:
1318         rte_spinlock_unlock(&rte_eth_dev_cb_lock);
1319
1320         return ret;
1321 }
1322
1323 int
1324 rte_eth_dev_callback_unregister(uint8_t port_id,
1325                         enum rte_eth_event_type event,
1326                         rte_eth_dev_cb_fn cb_fn, void *cb_arg)
1327 {
1328         int ret = -1;
1329         struct rte_eth_dev *dev;
1330         struct rte_eth_dev_callback *cb_lst = NULL;
1331
1332         if (!cb_fn)
1333                 return -1;
1334         if (port_id >= nb_ports) {
1335                 PMD_DEBUG_TRACE("Invalid port_id=%d\n", port_id);
1336                 return -1;
1337         }
1338         dev = &rte_eth_devices[port_id];
1339         rte_spinlock_lock(&rte_eth_dev_cb_lock);
1340         TAILQ_FOREACH(cb_lst, &(dev->callbacks), next) {
1341                 if (cb_lst->cb_fn != cb_fn || cb_lst->event != event)
1342                         continue;
1343                 if (cb_lst->cb_arg == (void *)-1 ||
1344                                 cb_lst->cb_arg == cb_arg) {
1345                         TAILQ_REMOVE(&(dev->callbacks), cb_lst, next);
1346                         rte_free(cb_lst);
1347                         ret = 0;
1348                 }
1349         }
1350
1351         rte_spinlock_unlock(&rte_eth_dev_cb_lock);
1352
1353         return ret;
1354 }
1355
1356 void
1357 _rte_eth_dev_callback_process(struct rte_eth_dev *dev, enum rte_eth_event_type event)
1358 {
1359         struct rte_eth_dev_callback *cb_lst = NULL;
1360         struct rte_eth_dev_callback dev_cb;
1361
1362         rte_spinlock_lock(&rte_eth_dev_cb_lock);
1363         TAILQ_FOREACH(cb_lst, &(dev->callbacks), next) {
1364                 if (cb_lst->cb_fn == NULL || cb_lst->event != event)
1365                         continue;
1366                 dev_cb = *cb_lst;
1367                 rte_spinlock_unlock(&rte_eth_dev_cb_lock);
1368                 dev_cb.cb_fn(dev->data->port_id, dev_cb.event,
1369                                                 dev_cb.cb_arg);
1370                 rte_spinlock_lock(&rte_eth_dev_cb_lock);
1371         }
1372         rte_spinlock_unlock(&rte_eth_dev_cb_lock);
1373 }
1374