net/bonding: fix slave stop and remove on port close
[dpdk.git] / drivers / net / bonding / rte_eth_bond_pmd.c
1 /* SPDX-License-Identifier: BSD-3-Clause
2  * Copyright(c) 2010-2017 Intel Corporation
3  */
4 #include <stdlib.h>
5 #include <stdbool.h>
6 #include <netinet/in.h>
7
8 #include <rte_mbuf.h>
9 #include <rte_malloc.h>
10 #include <ethdev_driver.h>
11 #include <ethdev_vdev.h>
12 #include <rte_tcp.h>
13 #include <rte_udp.h>
14 #include <rte_ip.h>
15 #include <rte_ip_frag.h>
16 #include <rte_devargs.h>
17 #include <rte_kvargs.h>
18 #include <rte_bus_vdev.h>
19 #include <rte_alarm.h>
20 #include <rte_cycles.h>
21 #include <rte_string_fns.h>
22
23 #include "rte_eth_bond.h"
24 #include "eth_bond_private.h"
25 #include "eth_bond_8023ad_private.h"
26
27 #define REORDER_PERIOD_MS 10
28 #define DEFAULT_POLLING_INTERVAL_10_MS (10)
29 #define BOND_MAX_MAC_ADDRS 16
30
31 #define HASH_L4_PORTS(h) ((h)->src_port ^ (h)->dst_port)
32
33 /* Table for statistics in mode 5 TLB */
34 static uint64_t tlb_last_obytets[RTE_MAX_ETHPORTS];
35
36 static inline size_t
37 get_vlan_offset(struct rte_ether_hdr *eth_hdr, uint16_t *proto)
38 {
39         size_t vlan_offset = 0;
40
41         if (rte_cpu_to_be_16(RTE_ETHER_TYPE_VLAN) == *proto ||
42                 rte_cpu_to_be_16(RTE_ETHER_TYPE_QINQ) == *proto) {
43                 struct rte_vlan_hdr *vlan_hdr =
44                         (struct rte_vlan_hdr *)(eth_hdr + 1);
45
46                 vlan_offset = sizeof(struct rte_vlan_hdr);
47                 *proto = vlan_hdr->eth_proto;
48
49                 if (rte_cpu_to_be_16(RTE_ETHER_TYPE_VLAN) == *proto) {
50                         vlan_hdr = vlan_hdr + 1;
51                         *proto = vlan_hdr->eth_proto;
52                         vlan_offset += sizeof(struct rte_vlan_hdr);
53                 }
54         }
55         return vlan_offset;
56 }
57
58 static uint16_t
59 bond_ethdev_rx_burst(void *queue, struct rte_mbuf **bufs, uint16_t nb_pkts)
60 {
61         struct bond_dev_private *internals;
62
63         uint16_t num_rx_total = 0;
64         uint16_t slave_count;
65         uint16_t active_slave;
66         int i;
67
68         /* Cast to structure, containing bonded device's port id and queue id */
69         struct bond_rx_queue *bd_rx_q = (struct bond_rx_queue *)queue;
70         internals = bd_rx_q->dev_private;
71         slave_count = internals->active_slave_count;
72         active_slave = bd_rx_q->active_slave;
73
74         for (i = 0; i < slave_count && nb_pkts; i++) {
75                 uint16_t num_rx_slave;
76
77                 /* Offset of pointer to *bufs increases as packets are received
78                  * from other slaves */
79                 num_rx_slave =
80                         rte_eth_rx_burst(internals->active_slaves[active_slave],
81                                          bd_rx_q->queue_id,
82                                          bufs + num_rx_total, nb_pkts);
83                 num_rx_total += num_rx_slave;
84                 nb_pkts -= num_rx_slave;
85                 if (++active_slave == slave_count)
86                         active_slave = 0;
87         }
88
89         if (++bd_rx_q->active_slave >= slave_count)
90                 bd_rx_q->active_slave = 0;
91         return num_rx_total;
92 }
93
94 static uint16_t
95 bond_ethdev_rx_burst_active_backup(void *queue, struct rte_mbuf **bufs,
96                 uint16_t nb_pkts)
97 {
98         struct bond_dev_private *internals;
99
100         /* Cast to structure, containing bonded device's port id and queue id */
101         struct bond_rx_queue *bd_rx_q = (struct bond_rx_queue *)queue;
102
103         internals = bd_rx_q->dev_private;
104
105         return rte_eth_rx_burst(internals->current_primary_port,
106                         bd_rx_q->queue_id, bufs, nb_pkts);
107 }
108
109 static inline uint8_t
110 is_lacp_packets(uint16_t ethertype, uint8_t subtype, struct rte_mbuf *mbuf)
111 {
112         const uint16_t ether_type_slow_be =
113                 rte_be_to_cpu_16(RTE_ETHER_TYPE_SLOW);
114
115         return !((mbuf->ol_flags & RTE_MBUF_F_RX_VLAN) ? mbuf->vlan_tci : 0) &&
116                 (ethertype == ether_type_slow_be &&
117                 (subtype == SLOW_SUBTYPE_MARKER || subtype == SLOW_SUBTYPE_LACP));
118 }
119
120 /*****************************************************************************
121  * Flow director's setup for mode 4 optimization
122  */
123
124 static struct rte_flow_item_eth flow_item_eth_type_8023ad = {
125         .dst.addr_bytes = { 0 },
126         .src.addr_bytes = { 0 },
127         .type = RTE_BE16(RTE_ETHER_TYPE_SLOW),
128 };
129
130 static struct rte_flow_item_eth flow_item_eth_mask_type_8023ad = {
131         .dst.addr_bytes = { 0 },
132         .src.addr_bytes = { 0 },
133         .type = 0xFFFF,
134 };
135
136 static struct rte_flow_item flow_item_8023ad[] = {
137         {
138                 .type = RTE_FLOW_ITEM_TYPE_ETH,
139                 .spec = &flow_item_eth_type_8023ad,
140                 .last = NULL,
141                 .mask = &flow_item_eth_mask_type_8023ad,
142         },
143         {
144                 .type = RTE_FLOW_ITEM_TYPE_END,
145                 .spec = NULL,
146                 .last = NULL,
147                 .mask = NULL,
148         }
149 };
150
151 const struct rte_flow_attr flow_attr_8023ad = {
152         .group = 0,
153         .priority = 0,
154         .ingress = 1,
155         .egress = 0,
156         .reserved = 0,
157 };
158
159 int
160 bond_ethdev_8023ad_flow_verify(struct rte_eth_dev *bond_dev,
161                 uint16_t slave_port) {
162         struct rte_eth_dev_info slave_info;
163         struct rte_flow_error error;
164         struct bond_dev_private *internals = bond_dev->data->dev_private;
165
166         const struct rte_flow_action_queue lacp_queue_conf = {
167                 .index = 0,
168         };
169
170         const struct rte_flow_action actions[] = {
171                 {
172                         .type = RTE_FLOW_ACTION_TYPE_QUEUE,
173                         .conf = &lacp_queue_conf
174                 },
175                 {
176                         .type = RTE_FLOW_ACTION_TYPE_END,
177                 }
178         };
179
180         int ret = rte_flow_validate(slave_port, &flow_attr_8023ad,
181                         flow_item_8023ad, actions, &error);
182         if (ret < 0) {
183                 RTE_BOND_LOG(ERR, "%s: %s (slave_port=%d queue_id=%d)",
184                                 __func__, error.message, slave_port,
185                                 internals->mode4.dedicated_queues.rx_qid);
186                 return -1;
187         }
188
189         ret = rte_eth_dev_info_get(slave_port, &slave_info);
190         if (ret != 0) {
191                 RTE_BOND_LOG(ERR,
192                         "%s: Error during getting device (port %u) info: %s\n",
193                         __func__, slave_port, strerror(-ret));
194
195                 return ret;
196         }
197
198         if (slave_info.max_rx_queues < bond_dev->data->nb_rx_queues ||
199                         slave_info.max_tx_queues < bond_dev->data->nb_tx_queues) {
200                 RTE_BOND_LOG(ERR,
201                         "%s: Slave %d capabilities doesn't allow to allocate additional queues",
202                         __func__, slave_port);
203                 return -1;
204         }
205
206         return 0;
207 }
208
209 int
210 bond_8023ad_slow_pkt_hw_filter_supported(uint16_t port_id) {
211         struct rte_eth_dev *bond_dev = &rte_eth_devices[port_id];
212         struct bond_dev_private *internals = bond_dev->data->dev_private;
213         struct rte_eth_dev_info bond_info;
214         uint16_t idx;
215         int ret;
216
217         /* Verify if all slaves in bonding supports flow director and */
218         if (internals->slave_count > 0) {
219                 ret = rte_eth_dev_info_get(bond_dev->data->port_id, &bond_info);
220                 if (ret != 0) {
221                         RTE_BOND_LOG(ERR,
222                                 "%s: Error during getting device (port %u) info: %s\n",
223                                 __func__, bond_dev->data->port_id,
224                                 strerror(-ret));
225
226                         return ret;
227                 }
228
229                 internals->mode4.dedicated_queues.rx_qid = bond_info.nb_rx_queues;
230                 internals->mode4.dedicated_queues.tx_qid = bond_info.nb_tx_queues;
231
232                 for (idx = 0; idx < internals->slave_count; idx++) {
233                         if (bond_ethdev_8023ad_flow_verify(bond_dev,
234                                         internals->slaves[idx].port_id) != 0)
235                                 return -1;
236                 }
237         }
238
239         return 0;
240 }
241
242 int
243 bond_ethdev_8023ad_flow_set(struct rte_eth_dev *bond_dev, uint16_t slave_port) {
244
245         struct rte_flow_error error;
246         struct bond_dev_private *internals = bond_dev->data->dev_private;
247         struct rte_flow_action_queue lacp_queue_conf = {
248                 .index = internals->mode4.dedicated_queues.rx_qid,
249         };
250
251         const struct rte_flow_action actions[] = {
252                 {
253                         .type = RTE_FLOW_ACTION_TYPE_QUEUE,
254                         .conf = &lacp_queue_conf
255                 },
256                 {
257                         .type = RTE_FLOW_ACTION_TYPE_END,
258                 }
259         };
260
261         internals->mode4.dedicated_queues.flow[slave_port] = rte_flow_create(slave_port,
262                         &flow_attr_8023ad, flow_item_8023ad, actions, &error);
263         if (internals->mode4.dedicated_queues.flow[slave_port] == NULL) {
264                 RTE_BOND_LOG(ERR, "bond_ethdev_8023ad_flow_set: %s "
265                                 "(slave_port=%d queue_id=%d)",
266                                 error.message, slave_port,
267                                 internals->mode4.dedicated_queues.rx_qid);
268                 return -1;
269         }
270
271         return 0;
272 }
273
274 static inline uint16_t
275 rx_burst_8023ad(void *queue, struct rte_mbuf **bufs, uint16_t nb_pkts,
276                 bool dedicated_rxq)
277 {
278         /* Cast to structure, containing bonded device's port id and queue id */
279         struct bond_rx_queue *bd_rx_q = (struct bond_rx_queue *)queue;
280         struct bond_dev_private *internals = bd_rx_q->dev_private;
281         struct rte_eth_dev *bonded_eth_dev =
282                                         &rte_eth_devices[internals->port_id];
283         struct rte_ether_addr *bond_mac = bonded_eth_dev->data->mac_addrs;
284         struct rte_ether_hdr *hdr;
285
286         const uint16_t ether_type_slow_be =
287                 rte_be_to_cpu_16(RTE_ETHER_TYPE_SLOW);
288         uint16_t num_rx_total = 0;      /* Total number of received packets */
289         uint16_t slaves[RTE_MAX_ETHPORTS];
290         uint16_t slave_count, idx;
291
292         uint8_t collecting;  /* current slave collecting status */
293         const uint8_t promisc = rte_eth_promiscuous_get(internals->port_id);
294         const uint8_t allmulti = rte_eth_allmulticast_get(internals->port_id);
295         uint8_t subtype;
296         uint16_t i;
297         uint16_t j;
298         uint16_t k;
299
300         /* Copy slave list to protect against slave up/down changes during tx
301          * bursting */
302         slave_count = internals->active_slave_count;
303         memcpy(slaves, internals->active_slaves,
304                         sizeof(internals->active_slaves[0]) * slave_count);
305
306         idx = bd_rx_q->active_slave;
307         if (idx >= slave_count) {
308                 bd_rx_q->active_slave = 0;
309                 idx = 0;
310         }
311         for (i = 0; i < slave_count && num_rx_total < nb_pkts; i++) {
312                 j = num_rx_total;
313                 collecting = ACTOR_STATE(&bond_mode_8023ad_ports[slaves[idx]],
314                                          COLLECTING);
315
316                 /* Read packets from this slave */
317                 num_rx_total += rte_eth_rx_burst(slaves[idx], bd_rx_q->queue_id,
318                                 &bufs[num_rx_total], nb_pkts - num_rx_total);
319
320                 for (k = j; k < 2 && k < num_rx_total; k++)
321                         rte_prefetch0(rte_pktmbuf_mtod(bufs[k], void *));
322
323                 /* Handle slow protocol packets. */
324                 while (j < num_rx_total) {
325                         if (j + 3 < num_rx_total)
326                                 rte_prefetch0(rte_pktmbuf_mtod(bufs[j + 3], void *));
327
328                         hdr = rte_pktmbuf_mtod(bufs[j], struct rte_ether_hdr *);
329                         subtype = ((struct slow_protocol_frame *)hdr)->slow_protocol.subtype;
330
331                         /* Remove packet from array if:
332                          * - it is slow packet but no dedicated rxq is present,
333                          * - slave is not in collecting state,
334                          * - bonding interface is not in promiscuous mode:
335                          *   - packet is unicast and address does not match,
336                          *   - packet is multicast and bonding interface
337                          *     is not in allmulti,
338                          */
339                         if (unlikely(
340                                 (!dedicated_rxq &&
341                                  is_lacp_packets(hdr->ether_type, subtype,
342                                                  bufs[j])) ||
343                                 !collecting ||
344                                 (!promisc &&
345                                  ((rte_is_unicast_ether_addr(&hdr->dst_addr) &&
346                                    !rte_is_same_ether_addr(bond_mac,
347                                                        &hdr->dst_addr)) ||
348                                   (!allmulti &&
349                                    rte_is_multicast_ether_addr(&hdr->dst_addr)))))) {
350
351                                 if (hdr->ether_type == ether_type_slow_be) {
352                                         bond_mode_8023ad_handle_slow_pkt(
353                                             internals, slaves[idx], bufs[j]);
354                                 } else
355                                         rte_pktmbuf_free(bufs[j]);
356
357                                 /* Packet is managed by mode 4 or dropped, shift the array */
358                                 num_rx_total--;
359                                 if (j < num_rx_total) {
360                                         memmove(&bufs[j], &bufs[j + 1], sizeof(bufs[0]) *
361                                                 (num_rx_total - j));
362                                 }
363                         } else
364                                 j++;
365                 }
366                 if (unlikely(++idx == slave_count))
367                         idx = 0;
368         }
369
370         if (++bd_rx_q->active_slave >= slave_count)
371                 bd_rx_q->active_slave = 0;
372
373         return num_rx_total;
374 }
375
376 static uint16_t
377 bond_ethdev_rx_burst_8023ad(void *queue, struct rte_mbuf **bufs,
378                 uint16_t nb_pkts)
379 {
380         return rx_burst_8023ad(queue, bufs, nb_pkts, false);
381 }
382
383 static uint16_t
384 bond_ethdev_rx_burst_8023ad_fast_queue(void *queue, struct rte_mbuf **bufs,
385                 uint16_t nb_pkts)
386 {
387         return rx_burst_8023ad(queue, bufs, nb_pkts, true);
388 }
389
390 #if defined(RTE_LIBRTE_BOND_DEBUG_ALB) || defined(RTE_LIBRTE_BOND_DEBUG_ALB_L1)
391 uint32_t burstnumberRX;
392 uint32_t burstnumberTX;
393
394 #ifdef RTE_LIBRTE_BOND_DEBUG_ALB
395
396 static void
397 arp_op_name(uint16_t arp_op, char *buf, size_t buf_len)
398 {
399         switch (arp_op) {
400         case RTE_ARP_OP_REQUEST:
401                 strlcpy(buf, "ARP Request", buf_len);
402                 return;
403         case RTE_ARP_OP_REPLY:
404                 strlcpy(buf, "ARP Reply", buf_len);
405                 return;
406         case RTE_ARP_OP_REVREQUEST:
407                 strlcpy(buf, "Reverse ARP Request", buf_len);
408                 return;
409         case RTE_ARP_OP_REVREPLY:
410                 strlcpy(buf, "Reverse ARP Reply", buf_len);
411                 return;
412         case RTE_ARP_OP_INVREQUEST:
413                 strlcpy(buf, "Peer Identify Request", buf_len);
414                 return;
415         case RTE_ARP_OP_INVREPLY:
416                 strlcpy(buf, "Peer Identify Reply", buf_len);
417                 return;
418         default:
419                 break;
420         }
421         strlcpy(buf, "Unknown", buf_len);
422         return;
423 }
424 #endif
425 #define MaxIPv4String   16
426 static void
427 ipv4_addr_to_dot(uint32_t be_ipv4_addr, char *buf, uint8_t buf_size)
428 {
429         uint32_t ipv4_addr;
430
431         ipv4_addr = rte_be_to_cpu_32(be_ipv4_addr);
432         snprintf(buf, buf_size, "%d.%d.%d.%d", (ipv4_addr >> 24) & 0xFF,
433                 (ipv4_addr >> 16) & 0xFF, (ipv4_addr >> 8) & 0xFF,
434                 ipv4_addr & 0xFF);
435 }
436
437 #define MAX_CLIENTS_NUMBER      128
438 uint8_t active_clients;
439 struct client_stats_t {
440         uint16_t port;
441         uint32_t ipv4_addr;
442         uint32_t ipv4_rx_packets;
443         uint32_t ipv4_tx_packets;
444 };
445 struct client_stats_t client_stats[MAX_CLIENTS_NUMBER];
446
447 static void
448 update_client_stats(uint32_t addr, uint16_t port, uint32_t *TXorRXindicator)
449 {
450         int i = 0;
451
452         for (; i < MAX_CLIENTS_NUMBER; i++)     {
453                 if ((client_stats[i].ipv4_addr == addr) && (client_stats[i].port == port))      {
454                         /* Just update RX packets number for this client */
455                         if (TXorRXindicator == &burstnumberRX)
456                                 client_stats[i].ipv4_rx_packets++;
457                         else
458                                 client_stats[i].ipv4_tx_packets++;
459                         return;
460                 }
461         }
462         /* We have a new client. Insert him to the table, and increment stats */
463         if (TXorRXindicator == &burstnumberRX)
464                 client_stats[active_clients].ipv4_rx_packets++;
465         else
466                 client_stats[active_clients].ipv4_tx_packets++;
467         client_stats[active_clients].ipv4_addr = addr;
468         client_stats[active_clients].port = port;
469         active_clients++;
470
471 }
472
473 #ifdef RTE_LIBRTE_BOND_DEBUG_ALB
474 #define MODE6_DEBUG(info, src_ip, dst_ip, eth_h, arp_op, port, burstnumber) \
475         rte_log(RTE_LOG_DEBUG, bond_logtype,                            \
476                 "%s port:%d SrcMAC:" RTE_ETHER_ADDR_PRT_FMT " SrcIP:%s " \
477                 "DstMAC:" RTE_ETHER_ADDR_PRT_FMT " DstIP:%s %s %d\n", \
478                 info,                                                   \
479                 port,                                                   \
480                 RTE_ETHER_ADDR_BYTES(&eth_h->src_addr),                  \
481                 src_ip,                                                 \
482                 RTE_ETHER_ADDR_BYTES(&eth_h->dst_addr),                  \
483                 dst_ip,                                                 \
484                 arp_op, ++burstnumber)
485 #endif
486
487 static void
488 mode6_debug(const char __rte_unused *info,
489         struct rte_ether_hdr *eth_h, uint16_t port,
490         uint32_t __rte_unused *burstnumber)
491 {
492         struct rte_ipv4_hdr *ipv4_h;
493 #ifdef RTE_LIBRTE_BOND_DEBUG_ALB
494         struct rte_arp_hdr *arp_h;
495         char dst_ip[16];
496         char ArpOp[24];
497         char buf[16];
498 #endif
499         char src_ip[16];
500
501         uint16_t ether_type = eth_h->ether_type;
502         uint16_t offset = get_vlan_offset(eth_h, &ether_type);
503
504 #ifdef RTE_LIBRTE_BOND_DEBUG_ALB
505         strlcpy(buf, info, 16);
506 #endif
507
508         if (ether_type == rte_cpu_to_be_16(RTE_ETHER_TYPE_IPV4)) {
509                 ipv4_h = (struct rte_ipv4_hdr *)((char *)(eth_h + 1) + offset);
510                 ipv4_addr_to_dot(ipv4_h->src_addr, src_ip, MaxIPv4String);
511 #ifdef RTE_LIBRTE_BOND_DEBUG_ALB
512                 ipv4_addr_to_dot(ipv4_h->dst_addr, dst_ip, MaxIPv4String);
513                 MODE6_DEBUG(buf, src_ip, dst_ip, eth_h, "", port, *burstnumber);
514 #endif
515                 update_client_stats(ipv4_h->src_addr, port, burstnumber);
516         }
517 #ifdef RTE_LIBRTE_BOND_DEBUG_ALB
518         else if (ether_type == rte_cpu_to_be_16(RTE_ETHER_TYPE_ARP)) {
519                 arp_h = (struct rte_arp_hdr *)((char *)(eth_h + 1) + offset);
520                 ipv4_addr_to_dot(arp_h->arp_data.arp_sip, src_ip, MaxIPv4String);
521                 ipv4_addr_to_dot(arp_h->arp_data.arp_tip, dst_ip, MaxIPv4String);
522                 arp_op_name(rte_be_to_cpu_16(arp_h->arp_opcode),
523                                 ArpOp, sizeof(ArpOp));
524                 MODE6_DEBUG(buf, src_ip, dst_ip, eth_h, ArpOp, port, *burstnumber);
525         }
526 #endif
527 }
528 #endif
529
530 static uint16_t
531 bond_ethdev_rx_burst_alb(void *queue, struct rte_mbuf **bufs, uint16_t nb_pkts)
532 {
533         struct bond_rx_queue *bd_rx_q = (struct bond_rx_queue *)queue;
534         struct bond_dev_private *internals = bd_rx_q->dev_private;
535         struct rte_ether_hdr *eth_h;
536         uint16_t ether_type, offset;
537         uint16_t nb_recv_pkts;
538         int i;
539
540         nb_recv_pkts = bond_ethdev_rx_burst(queue, bufs, nb_pkts);
541
542         for (i = 0; i < nb_recv_pkts; i++) {
543                 eth_h = rte_pktmbuf_mtod(bufs[i], struct rte_ether_hdr *);
544                 ether_type = eth_h->ether_type;
545                 offset = get_vlan_offset(eth_h, &ether_type);
546
547                 if (ether_type == rte_cpu_to_be_16(RTE_ETHER_TYPE_ARP)) {
548 #if defined(RTE_LIBRTE_BOND_DEBUG_ALB) || defined(RTE_LIBRTE_BOND_DEBUG_ALB_L1)
549                         mode6_debug("RX ARP:", eth_h, bufs[i]->port, &burstnumberRX);
550 #endif
551                         bond_mode_alb_arp_recv(eth_h, offset, internals);
552                 }
553 #if defined(RTE_LIBRTE_BOND_DEBUG_ALB) || defined(RTE_LIBRTE_BOND_DEBUG_ALB_L1)
554                 else if (ether_type == rte_cpu_to_be_16(RTE_ETHER_TYPE_IPV4))
555                         mode6_debug("RX IPv4:", eth_h, bufs[i]->port, &burstnumberRX);
556 #endif
557         }
558
559         return nb_recv_pkts;
560 }
561
562 static uint16_t
563 bond_ethdev_tx_burst_round_robin(void *queue, struct rte_mbuf **bufs,
564                 uint16_t nb_pkts)
565 {
566         struct bond_dev_private *internals;
567         struct bond_tx_queue *bd_tx_q;
568
569         struct rte_mbuf *slave_bufs[RTE_MAX_ETHPORTS][nb_pkts];
570         uint16_t slave_nb_pkts[RTE_MAX_ETHPORTS] = { 0 };
571
572         uint16_t num_of_slaves;
573         uint16_t slaves[RTE_MAX_ETHPORTS];
574
575         uint16_t num_tx_total = 0, num_tx_slave;
576
577         static int slave_idx = 0;
578         int i, cslave_idx = 0, tx_fail_total = 0;
579
580         bd_tx_q = (struct bond_tx_queue *)queue;
581         internals = bd_tx_q->dev_private;
582
583         /* Copy slave list to protect against slave up/down changes during tx
584          * bursting */
585         num_of_slaves = internals->active_slave_count;
586         memcpy(slaves, internals->active_slaves,
587                         sizeof(internals->active_slaves[0]) * num_of_slaves);
588
589         if (num_of_slaves < 1)
590                 return num_tx_total;
591
592         /* Populate slaves mbuf with which packets are to be sent on it  */
593         for (i = 0; i < nb_pkts; i++) {
594                 cslave_idx = (slave_idx + i) % num_of_slaves;
595                 slave_bufs[cslave_idx][(slave_nb_pkts[cslave_idx])++] = bufs[i];
596         }
597
598         /* increment current slave index so the next call to tx burst starts on the
599          * next slave */
600         slave_idx = ++cslave_idx;
601
602         /* Send packet burst on each slave device */
603         for (i = 0; i < num_of_slaves; i++) {
604                 if (slave_nb_pkts[i] > 0) {
605                         num_tx_slave = rte_eth_tx_burst(slaves[i], bd_tx_q->queue_id,
606                                         slave_bufs[i], slave_nb_pkts[i]);
607
608                         /* if tx burst fails move packets to end of bufs */
609                         if (unlikely(num_tx_slave < slave_nb_pkts[i])) {
610                                 int tx_fail_slave = slave_nb_pkts[i] - num_tx_slave;
611
612                                 tx_fail_total += tx_fail_slave;
613
614                                 memcpy(&bufs[nb_pkts - tx_fail_total],
615                                        &slave_bufs[i][num_tx_slave],
616                                        tx_fail_slave * sizeof(bufs[0]));
617                         }
618                         num_tx_total += num_tx_slave;
619                 }
620         }
621
622         return num_tx_total;
623 }
624
625 static uint16_t
626 bond_ethdev_tx_burst_active_backup(void *queue,
627                 struct rte_mbuf **bufs, uint16_t nb_pkts)
628 {
629         struct bond_dev_private *internals;
630         struct bond_tx_queue *bd_tx_q;
631
632         bd_tx_q = (struct bond_tx_queue *)queue;
633         internals = bd_tx_q->dev_private;
634
635         if (internals->active_slave_count < 1)
636                 return 0;
637
638         return rte_eth_tx_burst(internals->current_primary_port, bd_tx_q->queue_id,
639                         bufs, nb_pkts);
640 }
641
642 static inline uint16_t
643 ether_hash(struct rte_ether_hdr *eth_hdr)
644 {
645         unaligned_uint16_t *word_src_addr =
646                 (unaligned_uint16_t *)eth_hdr->src_addr.addr_bytes;
647         unaligned_uint16_t *word_dst_addr =
648                 (unaligned_uint16_t *)eth_hdr->dst_addr.addr_bytes;
649
650         return (word_src_addr[0] ^ word_dst_addr[0]) ^
651                         (word_src_addr[1] ^ word_dst_addr[1]) ^
652                         (word_src_addr[2] ^ word_dst_addr[2]);
653 }
654
655 static inline uint32_t
656 ipv4_hash(struct rte_ipv4_hdr *ipv4_hdr)
657 {
658         return ipv4_hdr->src_addr ^ ipv4_hdr->dst_addr;
659 }
660
661 static inline uint32_t
662 ipv6_hash(struct rte_ipv6_hdr *ipv6_hdr)
663 {
664         unaligned_uint32_t *word_src_addr =
665                 (unaligned_uint32_t *)&(ipv6_hdr->src_addr[0]);
666         unaligned_uint32_t *word_dst_addr =
667                 (unaligned_uint32_t *)&(ipv6_hdr->dst_addr[0]);
668
669         return (word_src_addr[0] ^ word_dst_addr[0]) ^
670                         (word_src_addr[1] ^ word_dst_addr[1]) ^
671                         (word_src_addr[2] ^ word_dst_addr[2]) ^
672                         (word_src_addr[3] ^ word_dst_addr[3]);
673 }
674
675
676 void
677 burst_xmit_l2_hash(struct rte_mbuf **buf, uint16_t nb_pkts,
678                 uint16_t slave_count, uint16_t *slaves)
679 {
680         struct rte_ether_hdr *eth_hdr;
681         uint32_t hash;
682         int i;
683
684         for (i = 0; i < nb_pkts; i++) {
685                 eth_hdr = rte_pktmbuf_mtod(buf[i], struct rte_ether_hdr *);
686
687                 hash = ether_hash(eth_hdr);
688
689                 slaves[i] = (hash ^= hash >> 8) % slave_count;
690         }
691 }
692
693 void
694 burst_xmit_l23_hash(struct rte_mbuf **buf, uint16_t nb_pkts,
695                 uint16_t slave_count, uint16_t *slaves)
696 {
697         uint16_t i;
698         struct rte_ether_hdr *eth_hdr;
699         uint16_t proto;
700         size_t vlan_offset;
701         uint32_t hash, l3hash;
702
703         for (i = 0; i < nb_pkts; i++) {
704                 eth_hdr = rte_pktmbuf_mtod(buf[i], struct rte_ether_hdr *);
705                 l3hash = 0;
706
707                 proto = eth_hdr->ether_type;
708                 hash = ether_hash(eth_hdr);
709
710                 vlan_offset = get_vlan_offset(eth_hdr, &proto);
711
712                 if (rte_cpu_to_be_16(RTE_ETHER_TYPE_IPV4) == proto) {
713                         struct rte_ipv4_hdr *ipv4_hdr = (struct rte_ipv4_hdr *)
714                                         ((char *)(eth_hdr + 1) + vlan_offset);
715                         l3hash = ipv4_hash(ipv4_hdr);
716
717                 } else if (rte_cpu_to_be_16(RTE_ETHER_TYPE_IPV6) == proto) {
718                         struct rte_ipv6_hdr *ipv6_hdr = (struct rte_ipv6_hdr *)
719                                         ((char *)(eth_hdr + 1) + vlan_offset);
720                         l3hash = ipv6_hash(ipv6_hdr);
721                 }
722
723                 hash = hash ^ l3hash;
724                 hash ^= hash >> 16;
725                 hash ^= hash >> 8;
726
727                 slaves[i] = hash % slave_count;
728         }
729 }
730
731 void
732 burst_xmit_l34_hash(struct rte_mbuf **buf, uint16_t nb_pkts,
733                 uint16_t slave_count, uint16_t *slaves)
734 {
735         struct rte_ether_hdr *eth_hdr;
736         uint16_t proto;
737         size_t vlan_offset;
738         int i;
739
740         struct rte_udp_hdr *udp_hdr;
741         struct rte_tcp_hdr *tcp_hdr;
742         uint32_t hash, l3hash, l4hash;
743
744         for (i = 0; i < nb_pkts; i++) {
745                 eth_hdr = rte_pktmbuf_mtod(buf[i], struct rte_ether_hdr *);
746                 size_t pkt_end = (size_t)eth_hdr + rte_pktmbuf_data_len(buf[i]);
747                 proto = eth_hdr->ether_type;
748                 vlan_offset = get_vlan_offset(eth_hdr, &proto);
749                 l3hash = 0;
750                 l4hash = 0;
751
752                 if (rte_cpu_to_be_16(RTE_ETHER_TYPE_IPV4) == proto) {
753                         struct rte_ipv4_hdr *ipv4_hdr = (struct rte_ipv4_hdr *)
754                                         ((char *)(eth_hdr + 1) + vlan_offset);
755                         size_t ip_hdr_offset;
756
757                         l3hash = ipv4_hash(ipv4_hdr);
758
759                         /* there is no L4 header in fragmented packet */
760                         if (likely(rte_ipv4_frag_pkt_is_fragmented(ipv4_hdr)
761                                                                 == 0)) {
762                                 ip_hdr_offset = (ipv4_hdr->version_ihl
763                                         & RTE_IPV4_HDR_IHL_MASK) *
764                                         RTE_IPV4_IHL_MULTIPLIER;
765
766                                 if (ipv4_hdr->next_proto_id == IPPROTO_TCP) {
767                                         tcp_hdr = (struct rte_tcp_hdr *)
768                                                 ((char *)ipv4_hdr +
769                                                         ip_hdr_offset);
770                                         if ((size_t)tcp_hdr + sizeof(*tcp_hdr)
771                                                         < pkt_end)
772                                                 l4hash = HASH_L4_PORTS(tcp_hdr);
773                                 } else if (ipv4_hdr->next_proto_id ==
774                                                                 IPPROTO_UDP) {
775                                         udp_hdr = (struct rte_udp_hdr *)
776                                                 ((char *)ipv4_hdr +
777                                                         ip_hdr_offset);
778                                         if ((size_t)udp_hdr + sizeof(*udp_hdr)
779                                                         < pkt_end)
780                                                 l4hash = HASH_L4_PORTS(udp_hdr);
781                                 }
782                         }
783                 } else if  (rte_cpu_to_be_16(RTE_ETHER_TYPE_IPV6) == proto) {
784                         struct rte_ipv6_hdr *ipv6_hdr = (struct rte_ipv6_hdr *)
785                                         ((char *)(eth_hdr + 1) + vlan_offset);
786                         l3hash = ipv6_hash(ipv6_hdr);
787
788                         if (ipv6_hdr->proto == IPPROTO_TCP) {
789                                 tcp_hdr = (struct rte_tcp_hdr *)(ipv6_hdr + 1);
790                                 l4hash = HASH_L4_PORTS(tcp_hdr);
791                         } else if (ipv6_hdr->proto == IPPROTO_UDP) {
792                                 udp_hdr = (struct rte_udp_hdr *)(ipv6_hdr + 1);
793                                 l4hash = HASH_L4_PORTS(udp_hdr);
794                         }
795                 }
796
797                 hash = l3hash ^ l4hash;
798                 hash ^= hash >> 16;
799                 hash ^= hash >> 8;
800
801                 slaves[i] = hash % slave_count;
802         }
803 }
804
805 struct bwg_slave {
806         uint64_t bwg_left_int;
807         uint64_t bwg_left_remainder;
808         uint16_t slave;
809 };
810
811 void
812 bond_tlb_activate_slave(struct bond_dev_private *internals) {
813         int i;
814
815         for (i = 0; i < internals->active_slave_count; i++) {
816                 tlb_last_obytets[internals->active_slaves[i]] = 0;
817         }
818 }
819
820 static int
821 bandwidth_cmp(const void *a, const void *b)
822 {
823         const struct bwg_slave *bwg_a = a;
824         const struct bwg_slave *bwg_b = b;
825         int64_t diff = (int64_t)bwg_b->bwg_left_int - (int64_t)bwg_a->bwg_left_int;
826         int64_t diff2 = (int64_t)bwg_b->bwg_left_remainder -
827                         (int64_t)bwg_a->bwg_left_remainder;
828         if (diff > 0)
829                 return 1;
830         else if (diff < 0)
831                 return -1;
832         else if (diff2 > 0)
833                 return 1;
834         else if (diff2 < 0)
835                 return -1;
836         else
837                 return 0;
838 }
839
840 static void
841 bandwidth_left(uint16_t port_id, uint64_t load, uint8_t update_idx,
842                 struct bwg_slave *bwg_slave)
843 {
844         struct rte_eth_link link_status;
845         int ret;
846
847         ret = rte_eth_link_get_nowait(port_id, &link_status);
848         if (ret < 0) {
849                 RTE_BOND_LOG(ERR, "Slave (port %u) link get failed: %s",
850                              port_id, rte_strerror(-ret));
851                 return;
852         }
853         uint64_t link_bwg = link_status.link_speed * 1000000ULL / 8;
854         if (link_bwg == 0)
855                 return;
856         link_bwg = link_bwg * (update_idx+1) * REORDER_PERIOD_MS;
857         bwg_slave->bwg_left_int = (link_bwg - 1000*load) / link_bwg;
858         bwg_slave->bwg_left_remainder = (link_bwg - 1000*load) % link_bwg;
859 }
860
861 static void
862 bond_ethdev_update_tlb_slave_cb(void *arg)
863 {
864         struct bond_dev_private *internals = arg;
865         struct rte_eth_stats slave_stats;
866         struct bwg_slave bwg_array[RTE_MAX_ETHPORTS];
867         uint16_t slave_count;
868         uint64_t tx_bytes;
869
870         uint8_t update_stats = 0;
871         uint16_t slave_id;
872         uint16_t i;
873
874         internals->slave_update_idx++;
875
876
877         if (internals->slave_update_idx >= REORDER_PERIOD_MS)
878                 update_stats = 1;
879
880         for (i = 0; i < internals->active_slave_count; i++) {
881                 slave_id = internals->active_slaves[i];
882                 rte_eth_stats_get(slave_id, &slave_stats);
883                 tx_bytes = slave_stats.obytes - tlb_last_obytets[slave_id];
884                 bandwidth_left(slave_id, tx_bytes,
885                                 internals->slave_update_idx, &bwg_array[i]);
886                 bwg_array[i].slave = slave_id;
887
888                 if (update_stats) {
889                         tlb_last_obytets[slave_id] = slave_stats.obytes;
890                 }
891         }
892
893         if (update_stats == 1)
894                 internals->slave_update_idx = 0;
895
896         slave_count = i;
897         qsort(bwg_array, slave_count, sizeof(bwg_array[0]), bandwidth_cmp);
898         for (i = 0; i < slave_count; i++)
899                 internals->tlb_slaves_order[i] = bwg_array[i].slave;
900
901         rte_eal_alarm_set(REORDER_PERIOD_MS * 1000, bond_ethdev_update_tlb_slave_cb,
902                         (struct bond_dev_private *)internals);
903 }
904
905 static uint16_t
906 bond_ethdev_tx_burst_tlb(void *queue, struct rte_mbuf **bufs, uint16_t nb_pkts)
907 {
908         struct bond_tx_queue *bd_tx_q = (struct bond_tx_queue *)queue;
909         struct bond_dev_private *internals = bd_tx_q->dev_private;
910
911         struct rte_eth_dev *primary_port =
912                         &rte_eth_devices[internals->primary_port];
913         uint16_t num_tx_total = 0;
914         uint16_t i, j;
915
916         uint16_t num_of_slaves = internals->active_slave_count;
917         uint16_t slaves[RTE_MAX_ETHPORTS];
918
919         struct rte_ether_hdr *ether_hdr;
920         struct rte_ether_addr primary_slave_addr;
921         struct rte_ether_addr active_slave_addr;
922
923         if (num_of_slaves < 1)
924                 return num_tx_total;
925
926         memcpy(slaves, internals->tlb_slaves_order,
927                                 sizeof(internals->tlb_slaves_order[0]) * num_of_slaves);
928
929
930         rte_ether_addr_copy(primary_port->data->mac_addrs, &primary_slave_addr);
931
932         if (nb_pkts > 3) {
933                 for (i = 0; i < 3; i++)
934                         rte_prefetch0(rte_pktmbuf_mtod(bufs[i], void*));
935         }
936
937         for (i = 0; i < num_of_slaves; i++) {
938                 rte_eth_macaddr_get(slaves[i], &active_slave_addr);
939                 for (j = num_tx_total; j < nb_pkts; j++) {
940                         if (j + 3 < nb_pkts)
941                                 rte_prefetch0(rte_pktmbuf_mtod(bufs[j+3], void*));
942
943                         ether_hdr = rte_pktmbuf_mtod(bufs[j],
944                                                 struct rte_ether_hdr *);
945                         if (rte_is_same_ether_addr(&ether_hdr->src_addr,
946                                                         &primary_slave_addr))
947                                 rte_ether_addr_copy(&active_slave_addr,
948                                                 &ether_hdr->src_addr);
949 #if defined(RTE_LIBRTE_BOND_DEBUG_ALB) || defined(RTE_LIBRTE_BOND_DEBUG_ALB_L1)
950                                         mode6_debug("TX IPv4:", ether_hdr, slaves[i], &burstnumberTX);
951 #endif
952                 }
953
954                 num_tx_total += rte_eth_tx_burst(slaves[i], bd_tx_q->queue_id,
955                                 bufs + num_tx_total, nb_pkts - num_tx_total);
956
957                 if (num_tx_total == nb_pkts)
958                         break;
959         }
960
961         return num_tx_total;
962 }
963
964 void
965 bond_tlb_disable(struct bond_dev_private *internals)
966 {
967         rte_eal_alarm_cancel(bond_ethdev_update_tlb_slave_cb, internals);
968 }
969
970 void
971 bond_tlb_enable(struct bond_dev_private *internals)
972 {
973         bond_ethdev_update_tlb_slave_cb(internals);
974 }
975
976 static uint16_t
977 bond_ethdev_tx_burst_alb(void *queue, struct rte_mbuf **bufs, uint16_t nb_pkts)
978 {
979         struct bond_tx_queue *bd_tx_q = (struct bond_tx_queue *)queue;
980         struct bond_dev_private *internals = bd_tx_q->dev_private;
981
982         struct rte_ether_hdr *eth_h;
983         uint16_t ether_type, offset;
984
985         struct client_data *client_info;
986
987         /*
988          * We create transmit buffers for every slave and one additional to send
989          * through tlb. In worst case every packet will be send on one port.
990          */
991         struct rte_mbuf *slave_bufs[RTE_MAX_ETHPORTS + 1][nb_pkts];
992         uint16_t slave_bufs_pkts[RTE_MAX_ETHPORTS + 1] = { 0 };
993
994         /*
995          * We create separate transmit buffers for update packets as they won't
996          * be counted in num_tx_total.
997          */
998         struct rte_mbuf *update_bufs[RTE_MAX_ETHPORTS][ALB_HASH_TABLE_SIZE];
999         uint16_t update_bufs_pkts[RTE_MAX_ETHPORTS] = { 0 };
1000
1001         struct rte_mbuf *upd_pkt;
1002         size_t pkt_size;
1003
1004         uint16_t num_send, num_not_send = 0;
1005         uint16_t num_tx_total = 0;
1006         uint16_t slave_idx;
1007
1008         int i, j;
1009
1010         /* Search tx buffer for ARP packets and forward them to alb */
1011         for (i = 0; i < nb_pkts; i++) {
1012                 eth_h = rte_pktmbuf_mtod(bufs[i], struct rte_ether_hdr *);
1013                 ether_type = eth_h->ether_type;
1014                 offset = get_vlan_offset(eth_h, &ether_type);
1015
1016                 if (ether_type == rte_cpu_to_be_16(RTE_ETHER_TYPE_ARP)) {
1017                         slave_idx = bond_mode_alb_arp_xmit(eth_h, offset, internals);
1018
1019                         /* Change src mac in eth header */
1020                         rte_eth_macaddr_get(slave_idx, &eth_h->src_addr);
1021
1022                         /* Add packet to slave tx buffer */
1023                         slave_bufs[slave_idx][slave_bufs_pkts[slave_idx]] = bufs[i];
1024                         slave_bufs_pkts[slave_idx]++;
1025                 } else {
1026                         /* If packet is not ARP, send it with TLB policy */
1027                         slave_bufs[RTE_MAX_ETHPORTS][slave_bufs_pkts[RTE_MAX_ETHPORTS]] =
1028                                         bufs[i];
1029                         slave_bufs_pkts[RTE_MAX_ETHPORTS]++;
1030                 }
1031         }
1032
1033         /* Update connected client ARP tables */
1034         if (internals->mode6.ntt) {
1035                 for (i = 0; i < ALB_HASH_TABLE_SIZE; i++) {
1036                         client_info = &internals->mode6.client_table[i];
1037
1038                         if (client_info->in_use) {
1039                                 /* Allocate new packet to send ARP update on current slave */
1040                                 upd_pkt = rte_pktmbuf_alloc(internals->mode6.mempool);
1041                                 if (upd_pkt == NULL) {
1042                                         RTE_BOND_LOG(ERR,
1043                                                      "Failed to allocate ARP packet from pool");
1044                                         continue;
1045                                 }
1046                                 pkt_size = sizeof(struct rte_ether_hdr) +
1047                                         sizeof(struct rte_arp_hdr) +
1048                                         client_info->vlan_count *
1049                                         sizeof(struct rte_vlan_hdr);
1050                                 upd_pkt->data_len = pkt_size;
1051                                 upd_pkt->pkt_len = pkt_size;
1052
1053                                 slave_idx = bond_mode_alb_arp_upd(client_info, upd_pkt,
1054                                                 internals);
1055
1056                                 /* Add packet to update tx buffer */
1057                                 update_bufs[slave_idx][update_bufs_pkts[slave_idx]] = upd_pkt;
1058                                 update_bufs_pkts[slave_idx]++;
1059                         }
1060                 }
1061                 internals->mode6.ntt = 0;
1062         }
1063
1064         /* Send ARP packets on proper slaves */
1065         for (i = 0; i < RTE_MAX_ETHPORTS; i++) {
1066                 if (slave_bufs_pkts[i] > 0) {
1067                         num_send = rte_eth_tx_burst(i, bd_tx_q->queue_id,
1068                                         slave_bufs[i], slave_bufs_pkts[i]);
1069                         for (j = 0; j < slave_bufs_pkts[i] - num_send; j++) {
1070                                 bufs[nb_pkts - 1 - num_not_send - j] =
1071                                                 slave_bufs[i][nb_pkts - 1 - j];
1072                         }
1073
1074                         num_tx_total += num_send;
1075                         num_not_send += slave_bufs_pkts[i] - num_send;
1076
1077 #if defined(RTE_LIBRTE_BOND_DEBUG_ALB) || defined(RTE_LIBRTE_BOND_DEBUG_ALB_L1)
1078         /* Print TX stats including update packets */
1079                         for (j = 0; j < slave_bufs_pkts[i]; j++) {
1080                                 eth_h = rte_pktmbuf_mtod(slave_bufs[i][j],
1081                                                         struct rte_ether_hdr *);
1082                                 mode6_debug("TX ARP:", eth_h, i, &burstnumberTX);
1083                         }
1084 #endif
1085                 }
1086         }
1087
1088         /* Send update packets on proper slaves */
1089         for (i = 0; i < RTE_MAX_ETHPORTS; i++) {
1090                 if (update_bufs_pkts[i] > 0) {
1091                         num_send = rte_eth_tx_burst(i, bd_tx_q->queue_id, update_bufs[i],
1092                                         update_bufs_pkts[i]);
1093                         for (j = num_send; j < update_bufs_pkts[i]; j++) {
1094                                 rte_pktmbuf_free(update_bufs[i][j]);
1095                         }
1096 #if defined(RTE_LIBRTE_BOND_DEBUG_ALB) || defined(RTE_LIBRTE_BOND_DEBUG_ALB_L1)
1097                         for (j = 0; j < update_bufs_pkts[i]; j++) {
1098                                 eth_h = rte_pktmbuf_mtod(update_bufs[i][j],
1099                                                         struct rte_ether_hdr *);
1100                                 mode6_debug("TX ARPupd:", eth_h, i, &burstnumberTX);
1101                         }
1102 #endif
1103                 }
1104         }
1105
1106         /* Send non-ARP packets using tlb policy */
1107         if (slave_bufs_pkts[RTE_MAX_ETHPORTS] > 0) {
1108                 num_send = bond_ethdev_tx_burst_tlb(queue,
1109                                 slave_bufs[RTE_MAX_ETHPORTS],
1110                                 slave_bufs_pkts[RTE_MAX_ETHPORTS]);
1111
1112                 for (j = 0; j < slave_bufs_pkts[RTE_MAX_ETHPORTS]; j++) {
1113                         bufs[nb_pkts - 1 - num_not_send - j] =
1114                                         slave_bufs[RTE_MAX_ETHPORTS][nb_pkts - 1 - j];
1115                 }
1116
1117                 num_tx_total += num_send;
1118         }
1119
1120         return num_tx_total;
1121 }
1122
1123 static inline uint16_t
1124 tx_burst_balance(void *queue, struct rte_mbuf **bufs, uint16_t nb_bufs,
1125                  uint16_t *slave_port_ids, uint16_t slave_count)
1126 {
1127         struct bond_tx_queue *bd_tx_q = (struct bond_tx_queue *)queue;
1128         struct bond_dev_private *internals = bd_tx_q->dev_private;
1129
1130         /* Array to sort mbufs for transmission on each slave into */
1131         struct rte_mbuf *slave_bufs[RTE_MAX_ETHPORTS][nb_bufs];
1132         /* Number of mbufs for transmission on each slave */
1133         uint16_t slave_nb_bufs[RTE_MAX_ETHPORTS] = { 0 };
1134         /* Mapping array generated by hash function to map mbufs to slaves */
1135         uint16_t bufs_slave_port_idxs[nb_bufs];
1136
1137         uint16_t slave_tx_count;
1138         uint16_t total_tx_count = 0, total_tx_fail_count = 0;
1139
1140         uint16_t i;
1141
1142         /*
1143          * Populate slaves mbuf with the packets which are to be sent on it
1144          * selecting output slave using hash based on xmit policy
1145          */
1146         internals->burst_xmit_hash(bufs, nb_bufs, slave_count,
1147                         bufs_slave_port_idxs);
1148
1149         for (i = 0; i < nb_bufs; i++) {
1150                 /* Populate slave mbuf arrays with mbufs for that slave. */
1151                 uint16_t slave_idx = bufs_slave_port_idxs[i];
1152
1153                 slave_bufs[slave_idx][slave_nb_bufs[slave_idx]++] = bufs[i];
1154         }
1155
1156         /* Send packet burst on each slave device */
1157         for (i = 0; i < slave_count; i++) {
1158                 if (slave_nb_bufs[i] == 0)
1159                         continue;
1160
1161                 slave_tx_count = rte_eth_tx_burst(slave_port_ids[i],
1162                                 bd_tx_q->queue_id, slave_bufs[i],
1163                                 slave_nb_bufs[i]);
1164
1165                 total_tx_count += slave_tx_count;
1166
1167                 /* If tx burst fails move packets to end of bufs */
1168                 if (unlikely(slave_tx_count < slave_nb_bufs[i])) {
1169                         int slave_tx_fail_count = slave_nb_bufs[i] -
1170                                         slave_tx_count;
1171                         total_tx_fail_count += slave_tx_fail_count;
1172                         memcpy(&bufs[nb_bufs - total_tx_fail_count],
1173                                &slave_bufs[i][slave_tx_count],
1174                                slave_tx_fail_count * sizeof(bufs[0]));
1175                 }
1176         }
1177
1178         return total_tx_count;
1179 }
1180
1181 static uint16_t
1182 bond_ethdev_tx_burst_balance(void *queue, struct rte_mbuf **bufs,
1183                 uint16_t nb_bufs)
1184 {
1185         struct bond_tx_queue *bd_tx_q = (struct bond_tx_queue *)queue;
1186         struct bond_dev_private *internals = bd_tx_q->dev_private;
1187
1188         uint16_t slave_port_ids[RTE_MAX_ETHPORTS];
1189         uint16_t slave_count;
1190
1191         if (unlikely(nb_bufs == 0))
1192                 return 0;
1193
1194         /* Copy slave list to protect against slave up/down changes during tx
1195          * bursting
1196          */
1197         slave_count = internals->active_slave_count;
1198         if (unlikely(slave_count < 1))
1199                 return 0;
1200
1201         memcpy(slave_port_ids, internals->active_slaves,
1202                         sizeof(slave_port_ids[0]) * slave_count);
1203         return tx_burst_balance(queue, bufs, nb_bufs, slave_port_ids,
1204                                 slave_count);
1205 }
1206
1207 static inline uint16_t
1208 tx_burst_8023ad(void *queue, struct rte_mbuf **bufs, uint16_t nb_bufs,
1209                 bool dedicated_txq)
1210 {
1211         struct bond_tx_queue *bd_tx_q = (struct bond_tx_queue *)queue;
1212         struct bond_dev_private *internals = bd_tx_q->dev_private;
1213
1214         uint16_t slave_port_ids[RTE_MAX_ETHPORTS];
1215         uint16_t slave_count;
1216
1217         uint16_t dist_slave_port_ids[RTE_MAX_ETHPORTS];
1218         uint16_t dist_slave_count;
1219
1220         uint16_t slave_tx_count;
1221
1222         uint16_t i;
1223
1224         /* Copy slave list to protect against slave up/down changes during tx
1225          * bursting */
1226         slave_count = internals->active_slave_count;
1227         if (unlikely(slave_count < 1))
1228                 return 0;
1229
1230         memcpy(slave_port_ids, internals->active_slaves,
1231                         sizeof(slave_port_ids[0]) * slave_count);
1232
1233         if (dedicated_txq)
1234                 goto skip_tx_ring;
1235
1236         /* Check for LACP control packets and send if available */
1237         for (i = 0; i < slave_count; i++) {
1238                 struct port *port = &bond_mode_8023ad_ports[slave_port_ids[i]];
1239                 struct rte_mbuf *ctrl_pkt = NULL;
1240
1241                 if (likely(rte_ring_empty(port->tx_ring)))
1242                         continue;
1243
1244                 if (rte_ring_dequeue(port->tx_ring,
1245                                      (void **)&ctrl_pkt) != -ENOENT) {
1246                         slave_tx_count = rte_eth_tx_burst(slave_port_ids[i],
1247                                         bd_tx_q->queue_id, &ctrl_pkt, 1);
1248                         /*
1249                          * re-enqueue LAG control plane packets to buffering
1250                          * ring if transmission fails so the packet isn't lost.
1251                          */
1252                         if (slave_tx_count != 1)
1253                                 rte_ring_enqueue(port->tx_ring, ctrl_pkt);
1254                 }
1255         }
1256
1257 skip_tx_ring:
1258         if (unlikely(nb_bufs == 0))
1259                 return 0;
1260
1261         dist_slave_count = 0;
1262         for (i = 0; i < slave_count; i++) {
1263                 struct port *port = &bond_mode_8023ad_ports[slave_port_ids[i]];
1264
1265                 if (ACTOR_STATE(port, DISTRIBUTING))
1266                         dist_slave_port_ids[dist_slave_count++] =
1267                                         slave_port_ids[i];
1268         }
1269
1270         if (unlikely(dist_slave_count < 1))
1271                 return 0;
1272
1273         return tx_burst_balance(queue, bufs, nb_bufs, dist_slave_port_ids,
1274                                 dist_slave_count);
1275 }
1276
1277 static uint16_t
1278 bond_ethdev_tx_burst_8023ad(void *queue, struct rte_mbuf **bufs,
1279                 uint16_t nb_bufs)
1280 {
1281         return tx_burst_8023ad(queue, bufs, nb_bufs, false);
1282 }
1283
1284 static uint16_t
1285 bond_ethdev_tx_burst_8023ad_fast_queue(void *queue, struct rte_mbuf **bufs,
1286                 uint16_t nb_bufs)
1287 {
1288         return tx_burst_8023ad(queue, bufs, nb_bufs, true);
1289 }
1290
1291 static uint16_t
1292 bond_ethdev_tx_burst_broadcast(void *queue, struct rte_mbuf **bufs,
1293                 uint16_t nb_pkts)
1294 {
1295         struct bond_dev_private *internals;
1296         struct bond_tx_queue *bd_tx_q;
1297
1298         uint16_t slaves[RTE_MAX_ETHPORTS];
1299         uint8_t tx_failed_flag = 0;
1300         uint16_t num_of_slaves;
1301
1302         uint16_t max_nb_of_tx_pkts = 0;
1303
1304         int slave_tx_total[RTE_MAX_ETHPORTS];
1305         int i, most_successful_tx_slave = -1;
1306
1307         bd_tx_q = (struct bond_tx_queue *)queue;
1308         internals = bd_tx_q->dev_private;
1309
1310         /* Copy slave list to protect against slave up/down changes during tx
1311          * bursting */
1312         num_of_slaves = internals->active_slave_count;
1313         memcpy(slaves, internals->active_slaves,
1314                         sizeof(internals->active_slaves[0]) * num_of_slaves);
1315
1316         if (num_of_slaves < 1)
1317                 return 0;
1318
1319         /* Increment reference count on mbufs */
1320         for (i = 0; i < nb_pkts; i++)
1321                 rte_pktmbuf_refcnt_update(bufs[i], num_of_slaves - 1);
1322
1323         /* Transmit burst on each active slave */
1324         for (i = 0; i < num_of_slaves; i++) {
1325                 slave_tx_total[i] = rte_eth_tx_burst(slaves[i], bd_tx_q->queue_id,
1326                                         bufs, nb_pkts);
1327
1328                 if (unlikely(slave_tx_total[i] < nb_pkts))
1329                         tx_failed_flag = 1;
1330
1331                 /* record the value and slave index for the slave which transmits the
1332                  * maximum number of packets */
1333                 if (slave_tx_total[i] > max_nb_of_tx_pkts) {
1334                         max_nb_of_tx_pkts = slave_tx_total[i];
1335                         most_successful_tx_slave = i;
1336                 }
1337         }
1338
1339         /* if slaves fail to transmit packets from burst, the calling application
1340          * is not expected to know about multiple references to packets so we must
1341          * handle failures of all packets except those of the most successful slave
1342          */
1343         if (unlikely(tx_failed_flag))
1344                 for (i = 0; i < num_of_slaves; i++)
1345                         if (i != most_successful_tx_slave)
1346                                 while (slave_tx_total[i] < nb_pkts)
1347                                         rte_pktmbuf_free(bufs[slave_tx_total[i]++]);
1348
1349         return max_nb_of_tx_pkts;
1350 }
1351
1352 static void
1353 link_properties_set(struct rte_eth_dev *ethdev, struct rte_eth_link *slave_link)
1354 {
1355         struct bond_dev_private *bond_ctx = ethdev->data->dev_private;
1356
1357         if (bond_ctx->mode == BONDING_MODE_8023AD) {
1358                 /**
1359                  * If in mode 4 then save the link properties of the first
1360                  * slave, all subsequent slaves must match these properties
1361                  */
1362                 struct rte_eth_link *bond_link = &bond_ctx->mode4.slave_link;
1363
1364                 bond_link->link_autoneg = slave_link->link_autoneg;
1365                 bond_link->link_duplex = slave_link->link_duplex;
1366                 bond_link->link_speed = slave_link->link_speed;
1367         } else {
1368                 /**
1369                  * In any other mode the link properties are set to default
1370                  * values of AUTONEG/DUPLEX
1371                  */
1372                 ethdev->data->dev_link.link_autoneg = RTE_ETH_LINK_AUTONEG;
1373                 ethdev->data->dev_link.link_duplex = RTE_ETH_LINK_FULL_DUPLEX;
1374         }
1375 }
1376
1377 static int
1378 link_properties_valid(struct rte_eth_dev *ethdev,
1379                 struct rte_eth_link *slave_link)
1380 {
1381         struct bond_dev_private *bond_ctx = ethdev->data->dev_private;
1382
1383         if (bond_ctx->mode == BONDING_MODE_8023AD) {
1384                 struct rte_eth_link *bond_link = &bond_ctx->mode4.slave_link;
1385
1386                 if (bond_link->link_duplex != slave_link->link_duplex ||
1387                         bond_link->link_autoneg != slave_link->link_autoneg ||
1388                         bond_link->link_speed != slave_link->link_speed)
1389                         return -1;
1390         }
1391
1392         return 0;
1393 }
1394
1395 int
1396 mac_address_get(struct rte_eth_dev *eth_dev,
1397                 struct rte_ether_addr *dst_mac_addr)
1398 {
1399         struct rte_ether_addr *mac_addr;
1400
1401         if (eth_dev == NULL) {
1402                 RTE_BOND_LOG(ERR, "NULL pointer eth_dev specified");
1403                 return -1;
1404         }
1405
1406         if (dst_mac_addr == NULL) {
1407                 RTE_BOND_LOG(ERR, "NULL pointer MAC specified");
1408                 return -1;
1409         }
1410
1411         mac_addr = eth_dev->data->mac_addrs;
1412
1413         rte_ether_addr_copy(mac_addr, dst_mac_addr);
1414         return 0;
1415 }
1416
1417 int
1418 mac_address_set(struct rte_eth_dev *eth_dev,
1419                 struct rte_ether_addr *new_mac_addr)
1420 {
1421         struct rte_ether_addr *mac_addr;
1422
1423         if (eth_dev == NULL) {
1424                 RTE_BOND_LOG(ERR, "NULL pointer eth_dev specified");
1425                 return -1;
1426         }
1427
1428         if (new_mac_addr == NULL) {
1429                 RTE_BOND_LOG(ERR, "NULL pointer MAC specified");
1430                 return -1;
1431         }
1432
1433         mac_addr = eth_dev->data->mac_addrs;
1434
1435         /* If new MAC is different to current MAC then update */
1436         if (memcmp(mac_addr, new_mac_addr, sizeof(*mac_addr)) != 0)
1437                 memcpy(mac_addr, new_mac_addr, sizeof(*mac_addr));
1438
1439         return 0;
1440 }
1441
1442 static const struct rte_ether_addr null_mac_addr;
1443
1444 /*
1445  * Add additional MAC addresses to the slave
1446  */
1447 int
1448 slave_add_mac_addresses(struct rte_eth_dev *bonded_eth_dev,
1449                 uint16_t slave_port_id)
1450 {
1451         int i, ret;
1452         struct rte_ether_addr *mac_addr;
1453
1454         for (i = 1; i < BOND_MAX_MAC_ADDRS; i++) {
1455                 mac_addr = &bonded_eth_dev->data->mac_addrs[i];
1456                 if (rte_is_same_ether_addr(mac_addr, &null_mac_addr))
1457                         break;
1458
1459                 ret = rte_eth_dev_mac_addr_add(slave_port_id, mac_addr, 0);
1460                 if (ret < 0) {
1461                         /* rollback */
1462                         for (i--; i > 0; i--)
1463                                 rte_eth_dev_mac_addr_remove(slave_port_id,
1464                                         &bonded_eth_dev->data->mac_addrs[i]);
1465                         return ret;
1466                 }
1467         }
1468
1469         return 0;
1470 }
1471
1472 /*
1473  * Remove additional MAC addresses from the slave
1474  */
1475 int
1476 slave_remove_mac_addresses(struct rte_eth_dev *bonded_eth_dev,
1477                 uint16_t slave_port_id)
1478 {
1479         int i, rc, ret;
1480         struct rte_ether_addr *mac_addr;
1481
1482         rc = 0;
1483         for (i = 1; i < BOND_MAX_MAC_ADDRS; i++) {
1484                 mac_addr = &bonded_eth_dev->data->mac_addrs[i];
1485                 if (rte_is_same_ether_addr(mac_addr, &null_mac_addr))
1486                         break;
1487
1488                 ret = rte_eth_dev_mac_addr_remove(slave_port_id, mac_addr);
1489                 /* save only the first error */
1490                 if (ret < 0 && rc == 0)
1491                         rc = ret;
1492         }
1493
1494         return rc;
1495 }
1496
1497 int
1498 mac_address_slaves_update(struct rte_eth_dev *bonded_eth_dev)
1499 {
1500         struct bond_dev_private *internals = bonded_eth_dev->data->dev_private;
1501         bool set;
1502         int i;
1503
1504         /* Update slave devices MAC addresses */
1505         if (internals->slave_count < 1)
1506                 return -1;
1507
1508         switch (internals->mode) {
1509         case BONDING_MODE_ROUND_ROBIN:
1510         case BONDING_MODE_BALANCE:
1511         case BONDING_MODE_BROADCAST:
1512                 for (i = 0; i < internals->slave_count; i++) {
1513                         if (rte_eth_dev_default_mac_addr_set(
1514                                         internals->slaves[i].port_id,
1515                                         bonded_eth_dev->data->mac_addrs)) {
1516                                 RTE_BOND_LOG(ERR, "Failed to update port Id %d MAC address",
1517                                                 internals->slaves[i].port_id);
1518                                 return -1;
1519                         }
1520                 }
1521                 break;
1522         case BONDING_MODE_8023AD:
1523                 bond_mode_8023ad_mac_address_update(bonded_eth_dev);
1524                 break;
1525         case BONDING_MODE_ACTIVE_BACKUP:
1526         case BONDING_MODE_TLB:
1527         case BONDING_MODE_ALB:
1528         default:
1529                 set = true;
1530                 for (i = 0; i < internals->slave_count; i++) {
1531                         if (internals->slaves[i].port_id ==
1532                                         internals->current_primary_port) {
1533                                 if (rte_eth_dev_default_mac_addr_set(
1534                                                 internals->current_primary_port,
1535                                                 bonded_eth_dev->data->mac_addrs)) {
1536                                         RTE_BOND_LOG(ERR, "Failed to update port Id %d MAC address",
1537                                                         internals->current_primary_port);
1538                                         set = false;
1539                                 }
1540                         } else {
1541                                 if (rte_eth_dev_default_mac_addr_set(
1542                                                 internals->slaves[i].port_id,
1543                                                 &internals->slaves[i].persisted_mac_addr)) {
1544                                         RTE_BOND_LOG(ERR, "Failed to update port Id %d MAC address",
1545                                                         internals->slaves[i].port_id);
1546                                 }
1547                         }
1548                 }
1549                 if (!set)
1550                         return -1;
1551         }
1552
1553         return 0;
1554 }
1555
1556 int
1557 bond_ethdev_mode_set(struct rte_eth_dev *eth_dev, uint8_t mode)
1558 {
1559         struct bond_dev_private *internals;
1560
1561         internals = eth_dev->data->dev_private;
1562
1563         switch (mode) {
1564         case BONDING_MODE_ROUND_ROBIN:
1565                 eth_dev->tx_pkt_burst = bond_ethdev_tx_burst_round_robin;
1566                 eth_dev->rx_pkt_burst = bond_ethdev_rx_burst;
1567                 break;
1568         case BONDING_MODE_ACTIVE_BACKUP:
1569                 eth_dev->tx_pkt_burst = bond_ethdev_tx_burst_active_backup;
1570                 eth_dev->rx_pkt_burst = bond_ethdev_rx_burst_active_backup;
1571                 break;
1572         case BONDING_MODE_BALANCE:
1573                 eth_dev->tx_pkt_burst = bond_ethdev_tx_burst_balance;
1574                 eth_dev->rx_pkt_burst = bond_ethdev_rx_burst;
1575                 break;
1576         case BONDING_MODE_BROADCAST:
1577                 eth_dev->tx_pkt_burst = bond_ethdev_tx_burst_broadcast;
1578                 eth_dev->rx_pkt_burst = bond_ethdev_rx_burst;
1579                 break;
1580         case BONDING_MODE_8023AD:
1581                 if (bond_mode_8023ad_enable(eth_dev) != 0)
1582                         return -1;
1583
1584                 if (internals->mode4.dedicated_queues.enabled == 0) {
1585                         eth_dev->rx_pkt_burst = bond_ethdev_rx_burst_8023ad;
1586                         eth_dev->tx_pkt_burst = bond_ethdev_tx_burst_8023ad;
1587                         RTE_BOND_LOG(WARNING,
1588                                 "Using mode 4, it is necessary to do TX burst "
1589                                 "and RX burst at least every 100ms.");
1590                 } else {
1591                         /* Use flow director's optimization */
1592                         eth_dev->rx_pkt_burst =
1593                                         bond_ethdev_rx_burst_8023ad_fast_queue;
1594                         eth_dev->tx_pkt_burst =
1595                                         bond_ethdev_tx_burst_8023ad_fast_queue;
1596                 }
1597                 break;
1598         case BONDING_MODE_TLB:
1599                 eth_dev->tx_pkt_burst = bond_ethdev_tx_burst_tlb;
1600                 eth_dev->rx_pkt_burst = bond_ethdev_rx_burst_active_backup;
1601                 break;
1602         case BONDING_MODE_ALB:
1603                 if (bond_mode_alb_enable(eth_dev) != 0)
1604                         return -1;
1605
1606                 eth_dev->tx_pkt_burst = bond_ethdev_tx_burst_alb;
1607                 eth_dev->rx_pkt_burst = bond_ethdev_rx_burst_alb;
1608                 break;
1609         default:
1610                 return -1;
1611         }
1612
1613         internals->mode = mode;
1614
1615         return 0;
1616 }
1617
1618
1619 static int
1620 slave_configure_slow_queue(struct rte_eth_dev *bonded_eth_dev,
1621                 struct rte_eth_dev *slave_eth_dev)
1622 {
1623         int errval = 0;
1624         struct bond_dev_private *internals = bonded_eth_dev->data->dev_private;
1625         struct port *port = &bond_mode_8023ad_ports[slave_eth_dev->data->port_id];
1626
1627         if (port->slow_pool == NULL) {
1628                 char mem_name[256];
1629                 int slave_id = slave_eth_dev->data->port_id;
1630
1631                 snprintf(mem_name, RTE_DIM(mem_name), "slave_port%u_slow_pool",
1632                                 slave_id);
1633                 port->slow_pool = rte_pktmbuf_pool_create(mem_name, 8191,
1634                         250, 0, RTE_MBUF_DEFAULT_BUF_SIZE,
1635                         slave_eth_dev->data->numa_node);
1636
1637                 /* Any memory allocation failure in initialization is critical because
1638                  * resources can't be free, so reinitialization is impossible. */
1639                 if (port->slow_pool == NULL) {
1640                         rte_panic("Slave %u: Failed to create memory pool '%s': %s\n",
1641                                 slave_id, mem_name, rte_strerror(rte_errno));
1642                 }
1643         }
1644
1645         if (internals->mode4.dedicated_queues.enabled == 1) {
1646                 /* Configure slow Rx queue */
1647
1648                 errval = rte_eth_rx_queue_setup(slave_eth_dev->data->port_id,
1649                                 internals->mode4.dedicated_queues.rx_qid, 128,
1650                                 rte_eth_dev_socket_id(slave_eth_dev->data->port_id),
1651                                 NULL, port->slow_pool);
1652                 if (errval != 0) {
1653                         RTE_BOND_LOG(ERR,
1654                                         "rte_eth_rx_queue_setup: port=%d queue_id %d, err (%d)",
1655                                         slave_eth_dev->data->port_id,
1656                                         internals->mode4.dedicated_queues.rx_qid,
1657                                         errval);
1658                         return errval;
1659                 }
1660
1661                 errval = rte_eth_tx_queue_setup(slave_eth_dev->data->port_id,
1662                                 internals->mode4.dedicated_queues.tx_qid, 512,
1663                                 rte_eth_dev_socket_id(slave_eth_dev->data->port_id),
1664                                 NULL);
1665                 if (errval != 0) {
1666                         RTE_BOND_LOG(ERR,
1667                                 "rte_eth_tx_queue_setup: port=%d queue_id %d, err (%d)",
1668                                 slave_eth_dev->data->port_id,
1669                                 internals->mode4.dedicated_queues.tx_qid,
1670                                 errval);
1671                         return errval;
1672                 }
1673         }
1674         return 0;
1675 }
1676
1677 int
1678 slave_configure(struct rte_eth_dev *bonded_eth_dev,
1679                 struct rte_eth_dev *slave_eth_dev)
1680 {
1681         uint16_t nb_rx_queues;
1682         uint16_t nb_tx_queues;
1683
1684         int errval;
1685
1686         struct bond_dev_private *internals = bonded_eth_dev->data->dev_private;
1687
1688         /* Stop slave */
1689         errval = rte_eth_dev_stop(slave_eth_dev->data->port_id);
1690         if (errval != 0)
1691                 RTE_BOND_LOG(ERR, "rte_eth_dev_stop: port %u, err (%d)",
1692                              slave_eth_dev->data->port_id, errval);
1693
1694         /* Enable interrupts on slave device if supported */
1695         if (slave_eth_dev->data->dev_flags & RTE_ETH_DEV_INTR_LSC)
1696                 slave_eth_dev->data->dev_conf.intr_conf.lsc = 1;
1697
1698         /* If RSS is enabled for bonding, try to enable it for slaves  */
1699         if (bonded_eth_dev->data->dev_conf.rxmode.mq_mode & RTE_ETH_MQ_RX_RSS_FLAG) {
1700                 /* rss_key won't be empty if RSS is configured in bonded dev */
1701                 slave_eth_dev->data->dev_conf.rx_adv_conf.rss_conf.rss_key_len =
1702                                         internals->rss_key_len;
1703                 slave_eth_dev->data->dev_conf.rx_adv_conf.rss_conf.rss_key =
1704                                         internals->rss_key;
1705
1706                 slave_eth_dev->data->dev_conf.rx_adv_conf.rss_conf.rss_hf =
1707                                 bonded_eth_dev->data->dev_conf.rx_adv_conf.rss_conf.rss_hf;
1708                 slave_eth_dev->data->dev_conf.rxmode.mq_mode =
1709                                 bonded_eth_dev->data->dev_conf.rxmode.mq_mode;
1710         }
1711
1712         slave_eth_dev->data->dev_conf.rxmode.mtu =
1713                         bonded_eth_dev->data->dev_conf.rxmode.mtu;
1714
1715         slave_eth_dev->data->dev_conf.txmode.offloads |=
1716                 bonded_eth_dev->data->dev_conf.txmode.offloads;
1717
1718         slave_eth_dev->data->dev_conf.txmode.offloads &=
1719                 (bonded_eth_dev->data->dev_conf.txmode.offloads |
1720                 ~internals->tx_offload_capa);
1721
1722         slave_eth_dev->data->dev_conf.rxmode.offloads |=
1723                 bonded_eth_dev->data->dev_conf.rxmode.offloads;
1724
1725         slave_eth_dev->data->dev_conf.rxmode.offloads &=
1726                 (bonded_eth_dev->data->dev_conf.rxmode.offloads |
1727                 ~internals->rx_offload_capa);
1728
1729
1730         nb_rx_queues = bonded_eth_dev->data->nb_rx_queues;
1731         nb_tx_queues = bonded_eth_dev->data->nb_tx_queues;
1732
1733         if (internals->mode == BONDING_MODE_8023AD) {
1734                 if (internals->mode4.dedicated_queues.enabled == 1) {
1735                         nb_rx_queues++;
1736                         nb_tx_queues++;
1737                 }
1738         }
1739
1740         /* Configure device */
1741         errval = rte_eth_dev_configure(slave_eth_dev->data->port_id,
1742                         nb_rx_queues, nb_tx_queues,
1743                         &(slave_eth_dev->data->dev_conf));
1744         if (errval != 0) {
1745                 RTE_BOND_LOG(ERR, "Cannot configure slave device: port %u, err (%d)",
1746                                 slave_eth_dev->data->port_id, errval);
1747                 return errval;
1748         }
1749
1750         errval = rte_eth_dev_set_mtu(slave_eth_dev->data->port_id,
1751                                      bonded_eth_dev->data->mtu);
1752         if (errval != 0 && errval != -ENOTSUP) {
1753                 RTE_BOND_LOG(ERR, "rte_eth_dev_set_mtu: port %u, err (%d)",
1754                                 slave_eth_dev->data->port_id, errval);
1755                 return errval;
1756         }
1757         return 0;
1758 }
1759
1760 int
1761 slave_start(struct rte_eth_dev *bonded_eth_dev,
1762                 struct rte_eth_dev *slave_eth_dev)
1763 {
1764         int errval = 0;
1765         struct bond_rx_queue *bd_rx_q;
1766         struct bond_tx_queue *bd_tx_q;
1767         uint16_t q_id;
1768         struct rte_flow_error flow_error;
1769         struct bond_dev_private *internals = bonded_eth_dev->data->dev_private;
1770
1771         /* Setup Rx Queues */
1772         for (q_id = 0; q_id < bonded_eth_dev->data->nb_rx_queues; q_id++) {
1773                 bd_rx_q = (struct bond_rx_queue *)bonded_eth_dev->data->rx_queues[q_id];
1774
1775                 errval = rte_eth_rx_queue_setup(slave_eth_dev->data->port_id, q_id,
1776                                 bd_rx_q->nb_rx_desc,
1777                                 rte_eth_dev_socket_id(slave_eth_dev->data->port_id),
1778                                 &(bd_rx_q->rx_conf), bd_rx_q->mb_pool);
1779                 if (errval != 0) {
1780                         RTE_BOND_LOG(ERR,
1781                                         "rte_eth_rx_queue_setup: port=%d queue_id %d, err (%d)",
1782                                         slave_eth_dev->data->port_id, q_id, errval);
1783                         return errval;
1784                 }
1785         }
1786
1787         /* Setup Tx Queues */
1788         for (q_id = 0; q_id < bonded_eth_dev->data->nb_tx_queues; q_id++) {
1789                 bd_tx_q = (struct bond_tx_queue *)bonded_eth_dev->data->tx_queues[q_id];
1790
1791                 errval = rte_eth_tx_queue_setup(slave_eth_dev->data->port_id, q_id,
1792                                 bd_tx_q->nb_tx_desc,
1793                                 rte_eth_dev_socket_id(slave_eth_dev->data->port_id),
1794                                 &bd_tx_q->tx_conf);
1795                 if (errval != 0) {
1796                         RTE_BOND_LOG(ERR,
1797                                 "rte_eth_tx_queue_setup: port=%d queue_id %d, err (%d)",
1798                                 slave_eth_dev->data->port_id, q_id, errval);
1799                         return errval;
1800                 }
1801         }
1802
1803         if (internals->mode == BONDING_MODE_8023AD &&
1804                         internals->mode4.dedicated_queues.enabled == 1) {
1805                 if (slave_configure_slow_queue(bonded_eth_dev, slave_eth_dev)
1806                                 != 0)
1807                         return errval;
1808
1809                 errval = bond_ethdev_8023ad_flow_verify(bonded_eth_dev,
1810                                 slave_eth_dev->data->port_id);
1811                 if (errval != 0) {
1812                         RTE_BOND_LOG(ERR,
1813                                 "bond_ethdev_8023ad_flow_verify: port=%d, err (%d)",
1814                                 slave_eth_dev->data->port_id, errval);
1815                         return errval;
1816                 }
1817
1818                 if (internals->mode4.dedicated_queues.flow[slave_eth_dev->data->port_id] != NULL) {
1819                         errval = rte_flow_destroy(slave_eth_dev->data->port_id,
1820                                         internals->mode4.dedicated_queues.flow[slave_eth_dev->data->port_id],
1821                                         &flow_error);
1822                         RTE_BOND_LOG(ERR, "bond_ethdev_8023ad_flow_destroy: port=%d, err (%d)",
1823                                 slave_eth_dev->data->port_id, errval);
1824                 }
1825
1826                 errval = bond_ethdev_8023ad_flow_set(bonded_eth_dev,
1827                                 slave_eth_dev->data->port_id);
1828                 if (errval != 0) {
1829                         RTE_BOND_LOG(ERR,
1830                                 "bond_ethdev_8023ad_flow_set: port=%d, err (%d)",
1831                                 slave_eth_dev->data->port_id, errval);
1832                         return errval;
1833                 }
1834         }
1835
1836         /* Start device */
1837         errval = rte_eth_dev_start(slave_eth_dev->data->port_id);
1838         if (errval != 0) {
1839                 RTE_BOND_LOG(ERR, "rte_eth_dev_start: port=%u, err (%d)",
1840                                 slave_eth_dev->data->port_id, errval);
1841                 return -1;
1842         }
1843
1844         /* If RSS is enabled for bonding, synchronize RETA */
1845         if (bonded_eth_dev->data->dev_conf.rxmode.mq_mode & RTE_ETH_MQ_RX_RSS) {
1846                 int i;
1847                 struct bond_dev_private *internals;
1848
1849                 internals = bonded_eth_dev->data->dev_private;
1850
1851                 for (i = 0; i < internals->slave_count; i++) {
1852                         if (internals->slaves[i].port_id == slave_eth_dev->data->port_id) {
1853                                 errval = rte_eth_dev_rss_reta_update(
1854                                                 slave_eth_dev->data->port_id,
1855                                                 &internals->reta_conf[0],
1856                                                 internals->slaves[i].reta_size);
1857                                 if (errval != 0) {
1858                                         RTE_BOND_LOG(WARNING,
1859                                                      "rte_eth_dev_rss_reta_update on slave port %d fails (err %d)."
1860                                                      " RSS Configuration for bonding may be inconsistent.",
1861                                                      slave_eth_dev->data->port_id, errval);
1862                                 }
1863                                 break;
1864                         }
1865                 }
1866         }
1867
1868         /* If lsc interrupt is set, check initial slave's link status */
1869         if (slave_eth_dev->data->dev_flags & RTE_ETH_DEV_INTR_LSC) {
1870                 slave_eth_dev->dev_ops->link_update(slave_eth_dev, 0);
1871                 bond_ethdev_lsc_event_callback(slave_eth_dev->data->port_id,
1872                         RTE_ETH_EVENT_INTR_LSC, &bonded_eth_dev->data->port_id,
1873                         NULL);
1874         }
1875
1876         return 0;
1877 }
1878
1879 void
1880 slave_remove(struct bond_dev_private *internals,
1881                 struct rte_eth_dev *slave_eth_dev)
1882 {
1883         uint16_t i;
1884
1885         for (i = 0; i < internals->slave_count; i++)
1886                 if (internals->slaves[i].port_id ==
1887                                 slave_eth_dev->data->port_id)
1888                         break;
1889
1890         if (i < (internals->slave_count - 1)) {
1891                 struct rte_flow *flow;
1892
1893                 memmove(&internals->slaves[i], &internals->slaves[i + 1],
1894                                 sizeof(internals->slaves[0]) *
1895                                 (internals->slave_count - i - 1));
1896                 TAILQ_FOREACH(flow, &internals->flow_list, next) {
1897                         memmove(&flow->flows[i], &flow->flows[i + 1],
1898                                 sizeof(flow->flows[0]) *
1899                                 (internals->slave_count - i - 1));
1900                         flow->flows[internals->slave_count - 1] = NULL;
1901                 }
1902         }
1903
1904         internals->slave_count--;
1905
1906         /* force reconfiguration of slave interfaces */
1907         rte_eth_dev_internal_reset(slave_eth_dev);
1908 }
1909
1910 static void
1911 bond_ethdev_slave_link_status_change_monitor(void *cb_arg);
1912
1913 void
1914 slave_add(struct bond_dev_private *internals,
1915                 struct rte_eth_dev *slave_eth_dev)
1916 {
1917         struct bond_slave_details *slave_details =
1918                         &internals->slaves[internals->slave_count];
1919
1920         slave_details->port_id = slave_eth_dev->data->port_id;
1921         slave_details->last_link_status = 0;
1922
1923         /* Mark slave devices that don't support interrupts so we can
1924          * compensate when we start the bond
1925          */
1926         if (!(slave_eth_dev->data->dev_flags & RTE_ETH_DEV_INTR_LSC)) {
1927                 slave_details->link_status_poll_enabled = 1;
1928         }
1929
1930         slave_details->link_status_wait_to_complete = 0;
1931         /* clean tlb_last_obytes when adding port for bonding device */
1932         memcpy(&(slave_details->persisted_mac_addr), slave_eth_dev->data->mac_addrs,
1933                         sizeof(struct rte_ether_addr));
1934 }
1935
1936 void
1937 bond_ethdev_primary_set(struct bond_dev_private *internals,
1938                 uint16_t slave_port_id)
1939 {
1940         int i;
1941
1942         if (internals->active_slave_count < 1)
1943                 internals->current_primary_port = slave_port_id;
1944         else
1945                 /* Search bonded device slave ports for new proposed primary port */
1946                 for (i = 0; i < internals->active_slave_count; i++) {
1947                         if (internals->active_slaves[i] == slave_port_id)
1948                                 internals->current_primary_port = slave_port_id;
1949                 }
1950 }
1951
1952 static int
1953 bond_ethdev_promiscuous_enable(struct rte_eth_dev *eth_dev);
1954
1955 static int
1956 bond_ethdev_start(struct rte_eth_dev *eth_dev)
1957 {
1958         struct bond_dev_private *internals;
1959         int i;
1960
1961         /* slave eth dev will be started by bonded device */
1962         if (check_for_bonded_ethdev(eth_dev)) {
1963                 RTE_BOND_LOG(ERR, "User tried to explicitly start a slave eth_dev (%d)",
1964                                 eth_dev->data->port_id);
1965                 return -1;
1966         }
1967
1968         eth_dev->data->dev_link.link_status = RTE_ETH_LINK_DOWN;
1969         eth_dev->data->dev_started = 1;
1970
1971         internals = eth_dev->data->dev_private;
1972
1973         if (internals->slave_count == 0) {
1974                 RTE_BOND_LOG(ERR, "Cannot start port since there are no slave devices");
1975                 goto out_err;
1976         }
1977
1978         if (internals->user_defined_mac == 0) {
1979                 struct rte_ether_addr *new_mac_addr = NULL;
1980
1981                 for (i = 0; i < internals->slave_count; i++)
1982                         if (internals->slaves[i].port_id == internals->primary_port)
1983                                 new_mac_addr = &internals->slaves[i].persisted_mac_addr;
1984
1985                 if (new_mac_addr == NULL)
1986                         goto out_err;
1987
1988                 if (mac_address_set(eth_dev, new_mac_addr) != 0) {
1989                         RTE_BOND_LOG(ERR, "bonded port (%d) failed to update MAC address",
1990                                         eth_dev->data->port_id);
1991                         goto out_err;
1992                 }
1993         }
1994
1995         if (internals->mode == BONDING_MODE_8023AD) {
1996                 if (internals->mode4.dedicated_queues.enabled == 1) {
1997                         internals->mode4.dedicated_queues.rx_qid =
1998                                         eth_dev->data->nb_rx_queues;
1999                         internals->mode4.dedicated_queues.tx_qid =
2000                                         eth_dev->data->nb_tx_queues;
2001                 }
2002         }
2003
2004
2005         /* Reconfigure each slave device if starting bonded device */
2006         for (i = 0; i < internals->slave_count; i++) {
2007                 struct rte_eth_dev *slave_ethdev =
2008                                 &(rte_eth_devices[internals->slaves[i].port_id]);
2009                 if (slave_configure(eth_dev, slave_ethdev) != 0) {
2010                         RTE_BOND_LOG(ERR,
2011                                 "bonded port (%d) failed to reconfigure slave device (%d)",
2012                                 eth_dev->data->port_id,
2013                                 internals->slaves[i].port_id);
2014                         goto out_err;
2015                 }
2016                 if (slave_start(eth_dev, slave_ethdev) != 0) {
2017                         RTE_BOND_LOG(ERR,
2018                                 "bonded port (%d) failed to start slave device (%d)",
2019                                 eth_dev->data->port_id,
2020                                 internals->slaves[i].port_id);
2021                         goto out_err;
2022                 }
2023                 /* We will need to poll for link status if any slave doesn't
2024                  * support interrupts
2025                  */
2026                 if (internals->slaves[i].link_status_poll_enabled)
2027                         internals->link_status_polling_enabled = 1;
2028         }
2029
2030         /* start polling if needed */
2031         if (internals->link_status_polling_enabled) {
2032                 rte_eal_alarm_set(
2033                         internals->link_status_polling_interval_ms * 1000,
2034                         bond_ethdev_slave_link_status_change_monitor,
2035                         (void *)&rte_eth_devices[internals->port_id]);
2036         }
2037
2038         /* Update all slave devices MACs*/
2039         if (mac_address_slaves_update(eth_dev) != 0)
2040                 goto out_err;
2041
2042         if (internals->user_defined_primary_port)
2043                 bond_ethdev_primary_set(internals, internals->primary_port);
2044
2045         if (internals->mode == BONDING_MODE_8023AD)
2046                 bond_mode_8023ad_start(eth_dev);
2047
2048         if (internals->mode == BONDING_MODE_TLB ||
2049                         internals->mode == BONDING_MODE_ALB)
2050                 bond_tlb_enable(internals);
2051
2052         return 0;
2053
2054 out_err:
2055         eth_dev->data->dev_started = 0;
2056         return -1;
2057 }
2058
2059 static void
2060 bond_ethdev_free_queues(struct rte_eth_dev *dev)
2061 {
2062         uint16_t i;
2063
2064         if (dev->data->rx_queues != NULL) {
2065                 for (i = 0; i < dev->data->nb_rx_queues; i++) {
2066                         rte_free(dev->data->rx_queues[i]);
2067                         dev->data->rx_queues[i] = NULL;
2068                 }
2069                 dev->data->nb_rx_queues = 0;
2070         }
2071
2072         if (dev->data->tx_queues != NULL) {
2073                 for (i = 0; i < dev->data->nb_tx_queues; i++) {
2074                         rte_free(dev->data->tx_queues[i]);
2075                         dev->data->tx_queues[i] = NULL;
2076                 }
2077                 dev->data->nb_tx_queues = 0;
2078         }
2079 }
2080
2081 int
2082 bond_ethdev_stop(struct rte_eth_dev *eth_dev)
2083 {
2084         struct bond_dev_private *internals = eth_dev->data->dev_private;
2085         uint16_t i;
2086         int ret;
2087
2088         if (internals->mode == BONDING_MODE_8023AD) {
2089                 struct port *port;
2090                 void *pkt = NULL;
2091
2092                 bond_mode_8023ad_stop(eth_dev);
2093
2094                 /* Discard all messages to/from mode 4 state machines */
2095                 for (i = 0; i < internals->active_slave_count; i++) {
2096                         port = &bond_mode_8023ad_ports[internals->active_slaves[i]];
2097
2098                         RTE_ASSERT(port->rx_ring != NULL);
2099                         while (rte_ring_dequeue(port->rx_ring, &pkt) != -ENOENT)
2100                                 rte_pktmbuf_free(pkt);
2101
2102                         RTE_ASSERT(port->tx_ring != NULL);
2103                         while (rte_ring_dequeue(port->tx_ring, &pkt) != -ENOENT)
2104                                 rte_pktmbuf_free(pkt);
2105                 }
2106         }
2107
2108         if (internals->mode == BONDING_MODE_TLB ||
2109                         internals->mode == BONDING_MODE_ALB) {
2110                 bond_tlb_disable(internals);
2111                 for (i = 0; i < internals->active_slave_count; i++)
2112                         tlb_last_obytets[internals->active_slaves[i]] = 0;
2113         }
2114
2115         eth_dev->data->dev_link.link_status = RTE_ETH_LINK_DOWN;
2116         eth_dev->data->dev_started = 0;
2117
2118         internals->link_status_polling_enabled = 0;
2119         for (i = 0; i < internals->slave_count; i++) {
2120                 uint16_t slave_id = internals->slaves[i].port_id;
2121
2122                 internals->slaves[i].last_link_status = 0;
2123                 ret = rte_eth_dev_stop(slave_id);
2124                 if (ret != 0) {
2125                         RTE_BOND_LOG(ERR, "Failed to stop device on port %u",
2126                                      slave_id);
2127                         return ret;
2128                 }
2129
2130                 /* active slaves need to be deactivated. */
2131                 if (find_slave_by_id(internals->active_slaves,
2132                                 internals->active_slave_count, slave_id) !=
2133                                         internals->active_slave_count)
2134                         deactivate_slave(eth_dev, slave_id);
2135         }
2136
2137         return 0;
2138 }
2139
2140 int
2141 bond_ethdev_close(struct rte_eth_dev *dev)
2142 {
2143         struct bond_dev_private *internals = dev->data->dev_private;
2144         uint16_t bond_port_id = internals->port_id;
2145         int skipped = 0;
2146         struct rte_flow_error ferror;
2147
2148         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
2149                 return 0;
2150
2151         RTE_BOND_LOG(INFO, "Closing bonded device %s", dev->device->name);
2152         while (internals->slave_count != skipped) {
2153                 uint16_t port_id = internals->slaves[skipped].port_id;
2154
2155                 if (rte_eth_dev_stop(port_id) != 0) {
2156                         RTE_BOND_LOG(ERR, "Failed to stop device on port %u",
2157                                      port_id);
2158                         skipped++;
2159                         continue;
2160                 }
2161
2162                 if (rte_eth_bond_slave_remove(bond_port_id, port_id) != 0) {
2163                         RTE_BOND_LOG(ERR,
2164                                      "Failed to remove port %d from bonded device %s",
2165                                      port_id, dev->device->name);
2166                         skipped++;
2167                 }
2168         }
2169         bond_flow_ops.flush(dev, &ferror);
2170         bond_ethdev_free_queues(dev);
2171         rte_bitmap_reset(internals->vlan_filter_bmp);
2172         rte_bitmap_free(internals->vlan_filter_bmp);
2173         rte_free(internals->vlan_filter_bmpmem);
2174
2175         /* Try to release mempool used in mode6. If the bond
2176          * device is not mode6, free the NULL is not problem.
2177          */
2178         rte_mempool_free(internals->mode6.mempool);
2179
2180         rte_kvargs_free(internals->kvlist);
2181
2182         return 0;
2183 }
2184
2185 /* forward declaration */
2186 static int bond_ethdev_configure(struct rte_eth_dev *dev);
2187
2188 static int
2189 bond_ethdev_info(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info)
2190 {
2191         struct bond_dev_private *internals = dev->data->dev_private;
2192         struct bond_slave_details slave;
2193         int ret;
2194
2195         uint16_t max_nb_rx_queues = UINT16_MAX;
2196         uint16_t max_nb_tx_queues = UINT16_MAX;
2197         uint16_t max_rx_desc_lim = UINT16_MAX;
2198         uint16_t max_tx_desc_lim = UINT16_MAX;
2199
2200         dev_info->max_mac_addrs = BOND_MAX_MAC_ADDRS;
2201
2202         dev_info->max_rx_pktlen = internals->candidate_max_rx_pktlen ?
2203                         internals->candidate_max_rx_pktlen :
2204                         RTE_ETHER_MAX_JUMBO_FRAME_LEN;
2205
2206         /* Max number of tx/rx queues that the bonded device can support is the
2207          * minimum values of the bonded slaves, as all slaves must be capable
2208          * of supporting the same number of tx/rx queues.
2209          */
2210         if (internals->slave_count > 0) {
2211                 struct rte_eth_dev_info slave_info;
2212                 uint16_t idx;
2213
2214                 for (idx = 0; idx < internals->slave_count; idx++) {
2215                         slave = internals->slaves[idx];
2216                         ret = rte_eth_dev_info_get(slave.port_id, &slave_info);
2217                         if (ret != 0) {
2218                                 RTE_BOND_LOG(ERR,
2219                                         "%s: Error during getting device (port %u) info: %s\n",
2220                                         __func__,
2221                                         slave.port_id,
2222                                         strerror(-ret));
2223
2224                                 return ret;
2225                         }
2226
2227                         if (slave_info.max_rx_queues < max_nb_rx_queues)
2228                                 max_nb_rx_queues = slave_info.max_rx_queues;
2229
2230                         if (slave_info.max_tx_queues < max_nb_tx_queues)
2231                                 max_nb_tx_queues = slave_info.max_tx_queues;
2232
2233                         if (slave_info.rx_desc_lim.nb_max < max_rx_desc_lim)
2234                                 max_rx_desc_lim = slave_info.rx_desc_lim.nb_max;
2235
2236                         if (slave_info.tx_desc_lim.nb_max < max_tx_desc_lim)
2237                                 max_tx_desc_lim = slave_info.tx_desc_lim.nb_max;
2238                 }
2239         }
2240
2241         dev_info->max_rx_queues = max_nb_rx_queues;
2242         dev_info->max_tx_queues = max_nb_tx_queues;
2243
2244         memcpy(&dev_info->default_rxconf, &internals->default_rxconf,
2245                sizeof(dev_info->default_rxconf));
2246         memcpy(&dev_info->default_txconf, &internals->default_txconf,
2247                sizeof(dev_info->default_txconf));
2248
2249         dev_info->rx_desc_lim.nb_max = max_rx_desc_lim;
2250         dev_info->tx_desc_lim.nb_max = max_tx_desc_lim;
2251
2252         /**
2253          * If dedicated hw queues enabled for link bonding device in LACP mode
2254          * then we need to reduce the maximum number of data path queues by 1.
2255          */
2256         if (internals->mode == BONDING_MODE_8023AD &&
2257                 internals->mode4.dedicated_queues.enabled == 1) {
2258                 dev_info->max_rx_queues--;
2259                 dev_info->max_tx_queues--;
2260         }
2261
2262         dev_info->min_rx_bufsize = 0;
2263
2264         dev_info->rx_offload_capa = internals->rx_offload_capa;
2265         dev_info->tx_offload_capa = internals->tx_offload_capa;
2266         dev_info->rx_queue_offload_capa = internals->rx_queue_offload_capa;
2267         dev_info->tx_queue_offload_capa = internals->tx_queue_offload_capa;
2268         dev_info->flow_type_rss_offloads = internals->flow_type_rss_offloads;
2269
2270         dev_info->reta_size = internals->reta_size;
2271         dev_info->hash_key_size = internals->rss_key_len;
2272
2273         return 0;
2274 }
2275
2276 static int
2277 bond_ethdev_vlan_filter_set(struct rte_eth_dev *dev, uint16_t vlan_id, int on)
2278 {
2279         int res;
2280         uint16_t i;
2281         struct bond_dev_private *internals = dev->data->dev_private;
2282
2283         /* don't do this while a slave is being added */
2284         rte_spinlock_lock(&internals->lock);
2285
2286         if (on)
2287                 rte_bitmap_set(internals->vlan_filter_bmp, vlan_id);
2288         else
2289                 rte_bitmap_clear(internals->vlan_filter_bmp, vlan_id);
2290
2291         for (i = 0; i < internals->slave_count; i++) {
2292                 uint16_t port_id = internals->slaves[i].port_id;
2293
2294                 res = rte_eth_dev_vlan_filter(port_id, vlan_id, on);
2295                 if (res == ENOTSUP)
2296                         RTE_BOND_LOG(WARNING,
2297                                      "Setting VLAN filter on slave port %u not supported.",
2298                                      port_id);
2299         }
2300
2301         rte_spinlock_unlock(&internals->lock);
2302         return 0;
2303 }
2304
2305 static int
2306 bond_ethdev_rx_queue_setup(struct rte_eth_dev *dev, uint16_t rx_queue_id,
2307                 uint16_t nb_rx_desc, unsigned int socket_id __rte_unused,
2308                 const struct rte_eth_rxconf *rx_conf, struct rte_mempool *mb_pool)
2309 {
2310         struct bond_rx_queue *bd_rx_q = (struct bond_rx_queue *)
2311                         rte_zmalloc_socket(NULL, sizeof(struct bond_rx_queue),
2312                                         0, dev->data->numa_node);
2313         if (bd_rx_q == NULL)
2314                 return -1;
2315
2316         bd_rx_q->queue_id = rx_queue_id;
2317         bd_rx_q->dev_private = dev->data->dev_private;
2318
2319         bd_rx_q->nb_rx_desc = nb_rx_desc;
2320
2321         memcpy(&(bd_rx_q->rx_conf), rx_conf, sizeof(struct rte_eth_rxconf));
2322         bd_rx_q->mb_pool = mb_pool;
2323
2324         dev->data->rx_queues[rx_queue_id] = bd_rx_q;
2325
2326         return 0;
2327 }
2328
2329 static int
2330 bond_ethdev_tx_queue_setup(struct rte_eth_dev *dev, uint16_t tx_queue_id,
2331                 uint16_t nb_tx_desc, unsigned int socket_id __rte_unused,
2332                 const struct rte_eth_txconf *tx_conf)
2333 {
2334         struct bond_tx_queue *bd_tx_q  = (struct bond_tx_queue *)
2335                         rte_zmalloc_socket(NULL, sizeof(struct bond_tx_queue),
2336                                         0, dev->data->numa_node);
2337
2338         if (bd_tx_q == NULL)
2339                 return -1;
2340
2341         bd_tx_q->queue_id = tx_queue_id;
2342         bd_tx_q->dev_private = dev->data->dev_private;
2343
2344         bd_tx_q->nb_tx_desc = nb_tx_desc;
2345         memcpy(&(bd_tx_q->tx_conf), tx_conf, sizeof(bd_tx_q->tx_conf));
2346
2347         dev->data->tx_queues[tx_queue_id] = bd_tx_q;
2348
2349         return 0;
2350 }
2351
2352 static void
2353 bond_ethdev_rx_queue_release(struct rte_eth_dev *dev, uint16_t queue_id)
2354 {
2355         void *queue = dev->data->rx_queues[queue_id];
2356
2357         if (queue == NULL)
2358                 return;
2359
2360         rte_free(queue);
2361 }
2362
2363 static void
2364 bond_ethdev_tx_queue_release(struct rte_eth_dev *dev, uint16_t queue_id)
2365 {
2366         void *queue = dev->data->tx_queues[queue_id];
2367
2368         if (queue == NULL)
2369                 return;
2370
2371         rte_free(queue);
2372 }
2373
2374 static void
2375 bond_ethdev_slave_link_status_change_monitor(void *cb_arg)
2376 {
2377         struct rte_eth_dev *bonded_ethdev, *slave_ethdev;
2378         struct bond_dev_private *internals;
2379
2380         /* Default value for polling slave found is true as we don't want to
2381          * disable the polling thread if we cannot get the lock */
2382         int i, polling_slave_found = 1;
2383
2384         if (cb_arg == NULL)
2385                 return;
2386
2387         bonded_ethdev = cb_arg;
2388         internals = bonded_ethdev->data->dev_private;
2389
2390         if (!bonded_ethdev->data->dev_started ||
2391                 !internals->link_status_polling_enabled)
2392                 return;
2393
2394         /* If device is currently being configured then don't check slaves link
2395          * status, wait until next period */
2396         if (rte_spinlock_trylock(&internals->lock)) {
2397                 if (internals->slave_count > 0)
2398                         polling_slave_found = 0;
2399
2400                 for (i = 0; i < internals->slave_count; i++) {
2401                         if (!internals->slaves[i].link_status_poll_enabled)
2402                                 continue;
2403
2404                         slave_ethdev = &rte_eth_devices[internals->slaves[i].port_id];
2405                         polling_slave_found = 1;
2406
2407                         /* Update slave link status */
2408                         (*slave_ethdev->dev_ops->link_update)(slave_ethdev,
2409                                         internals->slaves[i].link_status_wait_to_complete);
2410
2411                         /* if link status has changed since last checked then call lsc
2412                          * event callback */
2413                         if (slave_ethdev->data->dev_link.link_status !=
2414                                         internals->slaves[i].last_link_status) {
2415                                 internals->slaves[i].last_link_status =
2416                                                 slave_ethdev->data->dev_link.link_status;
2417
2418                                 bond_ethdev_lsc_event_callback(internals->slaves[i].port_id,
2419                                                 RTE_ETH_EVENT_INTR_LSC,
2420                                                 &bonded_ethdev->data->port_id,
2421                                                 NULL);
2422                         }
2423                 }
2424                 rte_spinlock_unlock(&internals->lock);
2425         }
2426
2427         if (polling_slave_found)
2428                 /* Set alarm to continue monitoring link status of slave ethdev's */
2429                 rte_eal_alarm_set(internals->link_status_polling_interval_ms * 1000,
2430                                 bond_ethdev_slave_link_status_change_monitor, cb_arg);
2431 }
2432
2433 static int
2434 bond_ethdev_link_update(struct rte_eth_dev *ethdev, int wait_to_complete)
2435 {
2436         int (*link_update)(uint16_t port_id, struct rte_eth_link *eth_link);
2437
2438         struct bond_dev_private *bond_ctx;
2439         struct rte_eth_link slave_link;
2440
2441         bool one_link_update_succeeded;
2442         uint32_t idx;
2443         int ret;
2444
2445         bond_ctx = ethdev->data->dev_private;
2446
2447         ethdev->data->dev_link.link_speed = RTE_ETH_SPEED_NUM_NONE;
2448
2449         if (ethdev->data->dev_started == 0 ||
2450                         bond_ctx->active_slave_count == 0) {
2451                 ethdev->data->dev_link.link_status = RTE_ETH_LINK_DOWN;
2452                 return 0;
2453         }
2454
2455         ethdev->data->dev_link.link_status = RTE_ETH_LINK_UP;
2456
2457         if (wait_to_complete)
2458                 link_update = rte_eth_link_get;
2459         else
2460                 link_update = rte_eth_link_get_nowait;
2461
2462         switch (bond_ctx->mode) {
2463         case BONDING_MODE_BROADCAST:
2464                 /**
2465                  * Setting link speed to UINT32_MAX to ensure we pick up the
2466                  * value of the first active slave
2467                  */
2468                 ethdev->data->dev_link.link_speed = UINT32_MAX;
2469
2470                 /**
2471                  * link speed is minimum value of all the slaves link speed as
2472                  * packet loss will occur on this slave if transmission at rates
2473                  * greater than this are attempted
2474                  */
2475                 for (idx = 0; idx < bond_ctx->active_slave_count; idx++) {
2476                         ret = link_update(bond_ctx->active_slaves[idx],
2477                                           &slave_link);
2478                         if (ret < 0) {
2479                                 ethdev->data->dev_link.link_speed =
2480                                         RTE_ETH_SPEED_NUM_NONE;
2481                                 RTE_BOND_LOG(ERR,
2482                                         "Slave (port %u) link get failed: %s",
2483                                         bond_ctx->active_slaves[idx],
2484                                         rte_strerror(-ret));
2485                                 return 0;
2486                         }
2487
2488                         if (slave_link.link_speed <
2489                                         ethdev->data->dev_link.link_speed)
2490                                 ethdev->data->dev_link.link_speed =
2491                                                 slave_link.link_speed;
2492                 }
2493                 break;
2494         case BONDING_MODE_ACTIVE_BACKUP:
2495                 /* Current primary slave */
2496                 ret = link_update(bond_ctx->current_primary_port, &slave_link);
2497                 if (ret < 0) {
2498                         RTE_BOND_LOG(ERR, "Slave (port %u) link get failed: %s",
2499                                 bond_ctx->current_primary_port,
2500                                 rte_strerror(-ret));
2501                         return 0;
2502                 }
2503
2504                 ethdev->data->dev_link.link_speed = slave_link.link_speed;
2505                 break;
2506         case BONDING_MODE_8023AD:
2507                 ethdev->data->dev_link.link_autoneg =
2508                                 bond_ctx->mode4.slave_link.link_autoneg;
2509                 ethdev->data->dev_link.link_duplex =
2510                                 bond_ctx->mode4.slave_link.link_duplex;
2511                 /* fall through */
2512                 /* to update link speed */
2513         case BONDING_MODE_ROUND_ROBIN:
2514         case BONDING_MODE_BALANCE:
2515         case BONDING_MODE_TLB:
2516         case BONDING_MODE_ALB:
2517         default:
2518                 /**
2519                  * In theses mode the maximum theoretical link speed is the sum
2520                  * of all the slaves
2521                  */
2522                 ethdev->data->dev_link.link_speed = RTE_ETH_SPEED_NUM_NONE;
2523                 one_link_update_succeeded = false;
2524
2525                 for (idx = 0; idx < bond_ctx->active_slave_count; idx++) {
2526                         ret = link_update(bond_ctx->active_slaves[idx],
2527                                         &slave_link);
2528                         if (ret < 0) {
2529                                 RTE_BOND_LOG(ERR,
2530                                         "Slave (port %u) link get failed: %s",
2531                                         bond_ctx->active_slaves[idx],
2532                                         rte_strerror(-ret));
2533                                 continue;
2534                         }
2535
2536                         one_link_update_succeeded = true;
2537                         ethdev->data->dev_link.link_speed +=
2538                                         slave_link.link_speed;
2539                 }
2540
2541                 if (!one_link_update_succeeded) {
2542                         RTE_BOND_LOG(ERR, "All slaves link get failed");
2543                         return 0;
2544                 }
2545         }
2546
2547
2548         return 0;
2549 }
2550
2551
2552 static int
2553 bond_ethdev_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats)
2554 {
2555         struct bond_dev_private *internals = dev->data->dev_private;
2556         struct rte_eth_stats slave_stats;
2557         int i, j;
2558
2559         for (i = 0; i < internals->slave_count; i++) {
2560                 rte_eth_stats_get(internals->slaves[i].port_id, &slave_stats);
2561
2562                 stats->ipackets += slave_stats.ipackets;
2563                 stats->opackets += slave_stats.opackets;
2564                 stats->ibytes += slave_stats.ibytes;
2565                 stats->obytes += slave_stats.obytes;
2566                 stats->imissed += slave_stats.imissed;
2567                 stats->ierrors += slave_stats.ierrors;
2568                 stats->oerrors += slave_stats.oerrors;
2569                 stats->rx_nombuf += slave_stats.rx_nombuf;
2570
2571                 for (j = 0; j < RTE_ETHDEV_QUEUE_STAT_CNTRS; j++) {
2572                         stats->q_ipackets[j] += slave_stats.q_ipackets[j];
2573                         stats->q_opackets[j] += slave_stats.q_opackets[j];
2574                         stats->q_ibytes[j] += slave_stats.q_ibytes[j];
2575                         stats->q_obytes[j] += slave_stats.q_obytes[j];
2576                         stats->q_errors[j] += slave_stats.q_errors[j];
2577                 }
2578
2579         }
2580
2581         return 0;
2582 }
2583
2584 static int
2585 bond_ethdev_stats_reset(struct rte_eth_dev *dev)
2586 {
2587         struct bond_dev_private *internals = dev->data->dev_private;
2588         int i;
2589         int err;
2590         int ret;
2591
2592         for (i = 0, err = 0; i < internals->slave_count; i++) {
2593                 ret = rte_eth_stats_reset(internals->slaves[i].port_id);
2594                 if (ret != 0)
2595                         err = ret;
2596         }
2597
2598         return err;
2599 }
2600
2601 static int
2602 bond_ethdev_promiscuous_enable(struct rte_eth_dev *eth_dev)
2603 {
2604         struct bond_dev_private *internals = eth_dev->data->dev_private;
2605         int i;
2606         int ret = 0;
2607         uint16_t port_id;
2608
2609         switch (internals->mode) {
2610         /* Promiscuous mode is propagated to all slaves */
2611         case BONDING_MODE_ROUND_ROBIN:
2612         case BONDING_MODE_BALANCE:
2613         case BONDING_MODE_BROADCAST:
2614         case BONDING_MODE_8023AD: {
2615                 unsigned int slave_ok = 0;
2616
2617                 for (i = 0; i < internals->slave_count; i++) {
2618                         port_id = internals->slaves[i].port_id;
2619
2620                         ret = rte_eth_promiscuous_enable(port_id);
2621                         if (ret != 0)
2622                                 RTE_BOND_LOG(ERR,
2623                                         "Failed to enable promiscuous mode for port %u: %s",
2624                                         port_id, rte_strerror(-ret));
2625                         else
2626                                 slave_ok++;
2627                 }
2628                 /*
2629                  * Report success if operation is successful on at least
2630                  * on one slave. Otherwise return last error code.
2631                  */
2632                 if (slave_ok > 0)
2633                         ret = 0;
2634                 break;
2635         }
2636         /* Promiscuous mode is propagated only to primary slave */
2637         case BONDING_MODE_ACTIVE_BACKUP:
2638         case BONDING_MODE_TLB:
2639         case BONDING_MODE_ALB:
2640         default:
2641                 /* Do not touch promisc when there cannot be primary ports */
2642                 if (internals->slave_count == 0)
2643                         break;
2644                 port_id = internals->current_primary_port;
2645                 ret = rte_eth_promiscuous_enable(port_id);
2646                 if (ret != 0)
2647                         RTE_BOND_LOG(ERR,
2648                                 "Failed to enable promiscuous mode for port %u: %s",
2649                                 port_id, rte_strerror(-ret));
2650         }
2651
2652         return ret;
2653 }
2654
2655 static int
2656 bond_ethdev_promiscuous_disable(struct rte_eth_dev *dev)
2657 {
2658         struct bond_dev_private *internals = dev->data->dev_private;
2659         int i;
2660         int ret = 0;
2661         uint16_t port_id;
2662
2663         switch (internals->mode) {
2664         /* Promiscuous mode is propagated to all slaves */
2665         case BONDING_MODE_ROUND_ROBIN:
2666         case BONDING_MODE_BALANCE:
2667         case BONDING_MODE_BROADCAST:
2668         case BONDING_MODE_8023AD: {
2669                 unsigned int slave_ok = 0;
2670
2671                 for (i = 0; i < internals->slave_count; i++) {
2672                         port_id = internals->slaves[i].port_id;
2673
2674                         if (internals->mode == BONDING_MODE_8023AD &&
2675                             bond_mode_8023ad_ports[port_id].forced_rx_flags ==
2676                                         BOND_8023AD_FORCED_PROMISC) {
2677                                 slave_ok++;
2678                                 continue;
2679                         }
2680                         ret = rte_eth_promiscuous_disable(port_id);
2681                         if (ret != 0)
2682                                 RTE_BOND_LOG(ERR,
2683                                         "Failed to disable promiscuous mode for port %u: %s",
2684                                         port_id, rte_strerror(-ret));
2685                         else
2686                                 slave_ok++;
2687                 }
2688                 /*
2689                  * Report success if operation is successful on at least
2690                  * on one slave. Otherwise return last error code.
2691                  */
2692                 if (slave_ok > 0)
2693                         ret = 0;
2694                 break;
2695         }
2696         /* Promiscuous mode is propagated only to primary slave */
2697         case BONDING_MODE_ACTIVE_BACKUP:
2698         case BONDING_MODE_TLB:
2699         case BONDING_MODE_ALB:
2700         default:
2701                 /* Do not touch promisc when there cannot be primary ports */
2702                 if (internals->slave_count == 0)
2703                         break;
2704                 port_id = internals->current_primary_port;
2705                 ret = rte_eth_promiscuous_disable(port_id);
2706                 if (ret != 0)
2707                         RTE_BOND_LOG(ERR,
2708                                 "Failed to disable promiscuous mode for port %u: %s",
2709                                 port_id, rte_strerror(-ret));
2710         }
2711
2712         return ret;
2713 }
2714
2715 static int
2716 bond_ethdev_promiscuous_update(struct rte_eth_dev *dev)
2717 {
2718         struct bond_dev_private *internals = dev->data->dev_private;
2719         uint16_t port_id = internals->current_primary_port;
2720
2721         switch (internals->mode) {
2722         case BONDING_MODE_ROUND_ROBIN:
2723         case BONDING_MODE_BALANCE:
2724         case BONDING_MODE_BROADCAST:
2725         case BONDING_MODE_8023AD:
2726                 /* As promiscuous mode is propagated to all slaves for these
2727                  * mode, no need to update for bonding device.
2728                  */
2729                 break;
2730         case BONDING_MODE_ACTIVE_BACKUP:
2731         case BONDING_MODE_TLB:
2732         case BONDING_MODE_ALB:
2733         default:
2734                 /* As promiscuous mode is propagated only to primary slave
2735                  * for these mode. When active/standby switchover, promiscuous
2736                  * mode should be set to new primary slave according to bonding
2737                  * device.
2738                  */
2739                 if (rte_eth_promiscuous_get(internals->port_id) == 1)
2740                         rte_eth_promiscuous_enable(port_id);
2741                 else
2742                         rte_eth_promiscuous_disable(port_id);
2743         }
2744
2745         return 0;
2746 }
2747
2748 static int
2749 bond_ethdev_allmulticast_enable(struct rte_eth_dev *eth_dev)
2750 {
2751         struct bond_dev_private *internals = eth_dev->data->dev_private;
2752         int i;
2753         int ret = 0;
2754         uint16_t port_id;
2755
2756         switch (internals->mode) {
2757         /* allmulti mode is propagated to all slaves */
2758         case BONDING_MODE_ROUND_ROBIN:
2759         case BONDING_MODE_BALANCE:
2760         case BONDING_MODE_BROADCAST:
2761         case BONDING_MODE_8023AD: {
2762                 unsigned int slave_ok = 0;
2763
2764                 for (i = 0; i < internals->slave_count; i++) {
2765                         port_id = internals->slaves[i].port_id;
2766
2767                         ret = rte_eth_allmulticast_enable(port_id);
2768                         if (ret != 0)
2769                                 RTE_BOND_LOG(ERR,
2770                                         "Failed to enable allmulti mode for port %u: %s",
2771                                         port_id, rte_strerror(-ret));
2772                         else
2773                                 slave_ok++;
2774                 }
2775                 /*
2776                  * Report success if operation is successful on at least
2777                  * on one slave. Otherwise return last error code.
2778                  */
2779                 if (slave_ok > 0)
2780                         ret = 0;
2781                 break;
2782         }
2783         /* allmulti mode is propagated only to primary slave */
2784         case BONDING_MODE_ACTIVE_BACKUP:
2785         case BONDING_MODE_TLB:
2786         case BONDING_MODE_ALB:
2787         default:
2788                 /* Do not touch allmulti when there cannot be primary ports */
2789                 if (internals->slave_count == 0)
2790                         break;
2791                 port_id = internals->current_primary_port;
2792                 ret = rte_eth_allmulticast_enable(port_id);
2793                 if (ret != 0)
2794                         RTE_BOND_LOG(ERR,
2795                                 "Failed to enable allmulti mode for port %u: %s",
2796                                 port_id, rte_strerror(-ret));
2797         }
2798
2799         return ret;
2800 }
2801
2802 static int
2803 bond_ethdev_allmulticast_disable(struct rte_eth_dev *eth_dev)
2804 {
2805         struct bond_dev_private *internals = eth_dev->data->dev_private;
2806         int i;
2807         int ret = 0;
2808         uint16_t port_id;
2809
2810         switch (internals->mode) {
2811         /* allmulti mode is propagated to all slaves */
2812         case BONDING_MODE_ROUND_ROBIN:
2813         case BONDING_MODE_BALANCE:
2814         case BONDING_MODE_BROADCAST:
2815         case BONDING_MODE_8023AD: {
2816                 unsigned int slave_ok = 0;
2817
2818                 for (i = 0; i < internals->slave_count; i++) {
2819                         uint16_t port_id = internals->slaves[i].port_id;
2820
2821                         if (internals->mode == BONDING_MODE_8023AD &&
2822                             bond_mode_8023ad_ports[port_id].forced_rx_flags ==
2823                                         BOND_8023AD_FORCED_ALLMULTI)
2824                                 continue;
2825
2826                         ret = rte_eth_allmulticast_disable(port_id);
2827                         if (ret != 0)
2828                                 RTE_BOND_LOG(ERR,
2829                                         "Failed to disable allmulti mode for port %u: %s",
2830                                         port_id, rte_strerror(-ret));
2831                         else
2832                                 slave_ok++;
2833                 }
2834                 /*
2835                  * Report success if operation is successful on at least
2836                  * on one slave. Otherwise return last error code.
2837                  */
2838                 if (slave_ok > 0)
2839                         ret = 0;
2840                 break;
2841         }
2842         /* allmulti mode is propagated only to primary slave */
2843         case BONDING_MODE_ACTIVE_BACKUP:
2844         case BONDING_MODE_TLB:
2845         case BONDING_MODE_ALB:
2846         default:
2847                 /* Do not touch allmulti when there cannot be primary ports */
2848                 if (internals->slave_count == 0)
2849                         break;
2850                 port_id = internals->current_primary_port;
2851                 ret = rte_eth_allmulticast_disable(port_id);
2852                 if (ret != 0)
2853                         RTE_BOND_LOG(ERR,
2854                                 "Failed to disable allmulti mode for port %u: %s",
2855                                 port_id, rte_strerror(-ret));
2856         }
2857
2858         return ret;
2859 }
2860
2861 static int
2862 bond_ethdev_allmulticast_update(struct rte_eth_dev *dev)
2863 {
2864         struct bond_dev_private *internals = dev->data->dev_private;
2865         uint16_t port_id = internals->current_primary_port;
2866
2867         switch (internals->mode) {
2868         case BONDING_MODE_ROUND_ROBIN:
2869         case BONDING_MODE_BALANCE:
2870         case BONDING_MODE_BROADCAST:
2871         case BONDING_MODE_8023AD:
2872                 /* As allmulticast mode is propagated to all slaves for these
2873                  * mode, no need to update for bonding device.
2874                  */
2875                 break;
2876         case BONDING_MODE_ACTIVE_BACKUP:
2877         case BONDING_MODE_TLB:
2878         case BONDING_MODE_ALB:
2879         default:
2880                 /* As allmulticast mode is propagated only to primary slave
2881                  * for these mode. When active/standby switchover, allmulticast
2882                  * mode should be set to new primary slave according to bonding
2883                  * device.
2884                  */
2885                 if (rte_eth_allmulticast_get(internals->port_id) == 1)
2886                         rte_eth_allmulticast_enable(port_id);
2887                 else
2888                         rte_eth_allmulticast_disable(port_id);
2889         }
2890
2891         return 0;
2892 }
2893
2894 static void
2895 bond_ethdev_delayed_lsc_propagation(void *arg)
2896 {
2897         if (arg == NULL)
2898                 return;
2899
2900         rte_eth_dev_callback_process((struct rte_eth_dev *)arg,
2901                         RTE_ETH_EVENT_INTR_LSC, NULL);
2902 }
2903
2904 int
2905 bond_ethdev_lsc_event_callback(uint16_t port_id, enum rte_eth_event_type type,
2906                 void *param, void *ret_param __rte_unused)
2907 {
2908         struct rte_eth_dev *bonded_eth_dev;
2909         struct bond_dev_private *internals;
2910         struct rte_eth_link link;
2911         int rc = -1;
2912         int ret;
2913
2914         uint8_t lsc_flag = 0;
2915         int valid_slave = 0;
2916         uint16_t active_pos;
2917         uint16_t i;
2918
2919         if (type != RTE_ETH_EVENT_INTR_LSC || param == NULL)
2920                 return rc;
2921
2922         bonded_eth_dev = &rte_eth_devices[*(uint16_t *)param];
2923
2924         if (check_for_bonded_ethdev(bonded_eth_dev))
2925                 return rc;
2926
2927         internals = bonded_eth_dev->data->dev_private;
2928
2929         /* If the device isn't started don't handle interrupts */
2930         if (!bonded_eth_dev->data->dev_started)
2931                 return rc;
2932
2933         /* verify that port_id is a valid slave of bonded port */
2934         for (i = 0; i < internals->slave_count; i++) {
2935                 if (internals->slaves[i].port_id == port_id) {
2936                         valid_slave = 1;
2937                         break;
2938                 }
2939         }
2940
2941         if (!valid_slave)
2942                 return rc;
2943
2944         /* Synchronize lsc callback parallel calls either by real link event
2945          * from the slaves PMDs or by the bonding PMD itself.
2946          */
2947         rte_spinlock_lock(&internals->lsc_lock);
2948
2949         /* Search for port in active port list */
2950         active_pos = find_slave_by_id(internals->active_slaves,
2951                         internals->active_slave_count, port_id);
2952
2953         ret = rte_eth_link_get_nowait(port_id, &link);
2954         if (ret < 0)
2955                 RTE_BOND_LOG(ERR, "Slave (port %u) link get failed", port_id);
2956
2957         if (ret == 0 && link.link_status) {
2958                 if (active_pos < internals->active_slave_count)
2959                         goto link_update;
2960
2961                 /* check link state properties if bonded link is up*/
2962                 if (bonded_eth_dev->data->dev_link.link_status == RTE_ETH_LINK_UP) {
2963                         if (link_properties_valid(bonded_eth_dev, &link) != 0)
2964                                 RTE_BOND_LOG(ERR, "Invalid link properties "
2965                                              "for slave %d in bonding mode %d",
2966                                              port_id, internals->mode);
2967                 } else {
2968                         /* inherit slave link properties */
2969                         link_properties_set(bonded_eth_dev, &link);
2970                 }
2971
2972                 /* If no active slave ports then set this port to be
2973                  * the primary port.
2974                  */
2975                 if (internals->active_slave_count < 1) {
2976                         /* If first active slave, then change link status */
2977                         bonded_eth_dev->data->dev_link.link_status =
2978                                                                 RTE_ETH_LINK_UP;
2979                         internals->current_primary_port = port_id;
2980                         lsc_flag = 1;
2981
2982                         mac_address_slaves_update(bonded_eth_dev);
2983                         bond_ethdev_promiscuous_update(bonded_eth_dev);
2984                         bond_ethdev_allmulticast_update(bonded_eth_dev);
2985                 }
2986
2987                 activate_slave(bonded_eth_dev, port_id);
2988
2989                 /* If the user has defined the primary port then default to
2990                  * using it.
2991                  */
2992                 if (internals->user_defined_primary_port &&
2993                                 internals->primary_port == port_id)
2994                         bond_ethdev_primary_set(internals, port_id);
2995         } else {
2996                 if (active_pos == internals->active_slave_count)
2997                         goto link_update;
2998
2999                 /* Remove from active slave list */
3000                 deactivate_slave(bonded_eth_dev, port_id);
3001
3002                 if (internals->active_slave_count < 1)
3003                         lsc_flag = 1;
3004
3005                 /* Update primary id, take first active slave from list or if none
3006                  * available set to -1 */
3007                 if (port_id == internals->current_primary_port) {
3008                         if (internals->active_slave_count > 0)
3009                                 bond_ethdev_primary_set(internals,
3010                                                 internals->active_slaves[0]);
3011                         else
3012                                 internals->current_primary_port = internals->primary_port;
3013                         mac_address_slaves_update(bonded_eth_dev);
3014                         bond_ethdev_promiscuous_update(bonded_eth_dev);
3015                         bond_ethdev_allmulticast_update(bonded_eth_dev);
3016                 }
3017         }
3018
3019 link_update:
3020         /**
3021          * Update bonded device link properties after any change to active
3022          * slaves
3023          */
3024         bond_ethdev_link_update(bonded_eth_dev, 0);
3025
3026         if (lsc_flag) {
3027                 /* Cancel any possible outstanding interrupts if delays are enabled */
3028                 if (internals->link_up_delay_ms > 0 ||
3029                         internals->link_down_delay_ms > 0)
3030                         rte_eal_alarm_cancel(bond_ethdev_delayed_lsc_propagation,
3031                                         bonded_eth_dev);
3032
3033                 if (bonded_eth_dev->data->dev_link.link_status) {
3034                         if (internals->link_up_delay_ms > 0)
3035                                 rte_eal_alarm_set(internals->link_up_delay_ms * 1000,
3036                                                 bond_ethdev_delayed_lsc_propagation,
3037                                                 (void *)bonded_eth_dev);
3038                         else
3039                                 rte_eth_dev_callback_process(bonded_eth_dev,
3040                                                 RTE_ETH_EVENT_INTR_LSC,
3041                                                 NULL);
3042
3043                 } else {
3044                         if (internals->link_down_delay_ms > 0)
3045                                 rte_eal_alarm_set(internals->link_down_delay_ms * 1000,
3046                                                 bond_ethdev_delayed_lsc_propagation,
3047                                                 (void *)bonded_eth_dev);
3048                         else
3049                                 rte_eth_dev_callback_process(bonded_eth_dev,
3050                                                 RTE_ETH_EVENT_INTR_LSC,
3051                                                 NULL);
3052                 }
3053         }
3054
3055         rte_spinlock_unlock(&internals->lsc_lock);
3056
3057         return rc;
3058 }
3059
3060 static int
3061 bond_ethdev_rss_reta_update(struct rte_eth_dev *dev,
3062                 struct rte_eth_rss_reta_entry64 *reta_conf, uint16_t reta_size)
3063 {
3064         unsigned i, j;
3065         int result = 0;
3066         int slave_reta_size;
3067         unsigned reta_count;
3068         struct bond_dev_private *internals = dev->data->dev_private;
3069
3070         if (reta_size != internals->reta_size)
3071                 return -EINVAL;
3072
3073          /* Copy RETA table */
3074         reta_count = (reta_size + RTE_ETH_RETA_GROUP_SIZE - 1) /
3075                         RTE_ETH_RETA_GROUP_SIZE;
3076
3077         for (i = 0; i < reta_count; i++) {
3078                 internals->reta_conf[i].mask = reta_conf[i].mask;
3079                 for (j = 0; j < RTE_ETH_RETA_GROUP_SIZE; j++)
3080                         if ((reta_conf[i].mask >> j) & 0x01)
3081                                 internals->reta_conf[i].reta[j] = reta_conf[i].reta[j];
3082         }
3083
3084         /* Fill rest of array */
3085         for (; i < RTE_DIM(internals->reta_conf); i += reta_count)
3086                 memcpy(&internals->reta_conf[i], &internals->reta_conf[0],
3087                                 sizeof(internals->reta_conf[0]) * reta_count);
3088
3089         /* Propagate RETA over slaves */
3090         for (i = 0; i < internals->slave_count; i++) {
3091                 slave_reta_size = internals->slaves[i].reta_size;
3092                 result = rte_eth_dev_rss_reta_update(internals->slaves[i].port_id,
3093                                 &internals->reta_conf[0], slave_reta_size);
3094                 if (result < 0)
3095                         return result;
3096         }
3097
3098         return 0;
3099 }
3100
3101 static int
3102 bond_ethdev_rss_reta_query(struct rte_eth_dev *dev,
3103                 struct rte_eth_rss_reta_entry64 *reta_conf, uint16_t reta_size)
3104 {
3105         int i, j;
3106         struct bond_dev_private *internals = dev->data->dev_private;
3107
3108         if (reta_size != internals->reta_size)
3109                 return -EINVAL;
3110
3111          /* Copy RETA table */
3112         for (i = 0; i < reta_size / RTE_ETH_RETA_GROUP_SIZE; i++)
3113                 for (j = 0; j < RTE_ETH_RETA_GROUP_SIZE; j++)
3114                         if ((reta_conf[i].mask >> j) & 0x01)
3115                                 reta_conf[i].reta[j] = internals->reta_conf[i].reta[j];
3116
3117         return 0;
3118 }
3119
3120 static int
3121 bond_ethdev_rss_hash_update(struct rte_eth_dev *dev,
3122                 struct rte_eth_rss_conf *rss_conf)
3123 {
3124         int i, result = 0;
3125         struct bond_dev_private *internals = dev->data->dev_private;
3126         struct rte_eth_rss_conf bond_rss_conf;
3127
3128         memcpy(&bond_rss_conf, rss_conf, sizeof(struct rte_eth_rss_conf));
3129
3130         bond_rss_conf.rss_hf &= internals->flow_type_rss_offloads;
3131
3132         if (bond_rss_conf.rss_hf != 0)
3133                 dev->data->dev_conf.rx_adv_conf.rss_conf.rss_hf = bond_rss_conf.rss_hf;
3134
3135         if (bond_rss_conf.rss_key) {
3136                 if (bond_rss_conf.rss_key_len < internals->rss_key_len)
3137                         return -EINVAL;
3138                 else if (bond_rss_conf.rss_key_len > internals->rss_key_len)
3139                         RTE_BOND_LOG(WARNING, "rss_key will be truncated");
3140
3141                 memcpy(internals->rss_key, bond_rss_conf.rss_key,
3142                                 internals->rss_key_len);
3143                 bond_rss_conf.rss_key_len = internals->rss_key_len;
3144         }
3145
3146         for (i = 0; i < internals->slave_count; i++) {
3147                 result = rte_eth_dev_rss_hash_update(internals->slaves[i].port_id,
3148                                 &bond_rss_conf);
3149                 if (result < 0)
3150                         return result;
3151         }
3152
3153         return 0;
3154 }
3155
3156 static int
3157 bond_ethdev_rss_hash_conf_get(struct rte_eth_dev *dev,
3158                 struct rte_eth_rss_conf *rss_conf)
3159 {
3160         struct bond_dev_private *internals = dev->data->dev_private;
3161
3162         rss_conf->rss_hf = dev->data->dev_conf.rx_adv_conf.rss_conf.rss_hf;
3163         rss_conf->rss_key_len = internals->rss_key_len;
3164         if (rss_conf->rss_key)
3165                 memcpy(rss_conf->rss_key, internals->rss_key, internals->rss_key_len);
3166
3167         return 0;
3168 }
3169
3170 static int
3171 bond_ethdev_mtu_set(struct rte_eth_dev *dev, uint16_t mtu)
3172 {
3173         struct rte_eth_dev *slave_eth_dev;
3174         struct bond_dev_private *internals = dev->data->dev_private;
3175         int ret, i;
3176
3177         rte_spinlock_lock(&internals->lock);
3178
3179         for (i = 0; i < internals->slave_count; i++) {
3180                 slave_eth_dev = &rte_eth_devices[internals->slaves[i].port_id];
3181                 if (*slave_eth_dev->dev_ops->mtu_set == NULL) {
3182                         rte_spinlock_unlock(&internals->lock);
3183                         return -ENOTSUP;
3184                 }
3185         }
3186         for (i = 0; i < internals->slave_count; i++) {
3187                 ret = rte_eth_dev_set_mtu(internals->slaves[i].port_id, mtu);
3188                 if (ret < 0) {
3189                         rte_spinlock_unlock(&internals->lock);
3190                         return ret;
3191                 }
3192         }
3193
3194         rte_spinlock_unlock(&internals->lock);
3195         return 0;
3196 }
3197
3198 static int
3199 bond_ethdev_mac_address_set(struct rte_eth_dev *dev,
3200                         struct rte_ether_addr *addr)
3201 {
3202         if (mac_address_set(dev, addr)) {
3203                 RTE_BOND_LOG(ERR, "Failed to update MAC address");
3204                 return -EINVAL;
3205         }
3206
3207         return 0;
3208 }
3209
3210 static int
3211 bond_flow_ops_get(struct rte_eth_dev *dev __rte_unused,
3212                   const struct rte_flow_ops **ops)
3213 {
3214         *ops = &bond_flow_ops;
3215         return 0;
3216 }
3217
3218 static int
3219 bond_ethdev_mac_addr_add(struct rte_eth_dev *dev,
3220                         struct rte_ether_addr *mac_addr,
3221                         __rte_unused uint32_t index, uint32_t vmdq)
3222 {
3223         struct rte_eth_dev *slave_eth_dev;
3224         struct bond_dev_private *internals = dev->data->dev_private;
3225         int ret, i;
3226
3227         rte_spinlock_lock(&internals->lock);
3228
3229         for (i = 0; i < internals->slave_count; i++) {
3230                 slave_eth_dev = &rte_eth_devices[internals->slaves[i].port_id];
3231                 if (*slave_eth_dev->dev_ops->mac_addr_add == NULL ||
3232                          *slave_eth_dev->dev_ops->mac_addr_remove == NULL) {
3233                         ret = -ENOTSUP;
3234                         goto end;
3235                 }
3236         }
3237
3238         for (i = 0; i < internals->slave_count; i++) {
3239                 ret = rte_eth_dev_mac_addr_add(internals->slaves[i].port_id,
3240                                 mac_addr, vmdq);
3241                 if (ret < 0) {
3242                         /* rollback */
3243                         for (i--; i >= 0; i--)
3244                                 rte_eth_dev_mac_addr_remove(
3245                                         internals->slaves[i].port_id, mac_addr);
3246                         goto end;
3247                 }
3248         }
3249
3250         ret = 0;
3251 end:
3252         rte_spinlock_unlock(&internals->lock);
3253         return ret;
3254 }
3255
3256 static void
3257 bond_ethdev_mac_addr_remove(struct rte_eth_dev *dev, uint32_t index)
3258 {
3259         struct rte_eth_dev *slave_eth_dev;
3260         struct bond_dev_private *internals = dev->data->dev_private;
3261         int i;
3262
3263         rte_spinlock_lock(&internals->lock);
3264
3265         for (i = 0; i < internals->slave_count; i++) {
3266                 slave_eth_dev = &rte_eth_devices[internals->slaves[i].port_id];
3267                 if (*slave_eth_dev->dev_ops->mac_addr_remove == NULL)
3268                         goto end;
3269         }
3270
3271         struct rte_ether_addr *mac_addr = &dev->data->mac_addrs[index];
3272
3273         for (i = 0; i < internals->slave_count; i++)
3274                 rte_eth_dev_mac_addr_remove(internals->slaves[i].port_id,
3275                                 mac_addr);
3276
3277 end:
3278         rte_spinlock_unlock(&internals->lock);
3279 }
3280
3281 const struct eth_dev_ops default_dev_ops = {
3282         .dev_start            = bond_ethdev_start,
3283         .dev_stop             = bond_ethdev_stop,
3284         .dev_close            = bond_ethdev_close,
3285         .dev_configure        = bond_ethdev_configure,
3286         .dev_infos_get        = bond_ethdev_info,
3287         .vlan_filter_set      = bond_ethdev_vlan_filter_set,
3288         .rx_queue_setup       = bond_ethdev_rx_queue_setup,
3289         .tx_queue_setup       = bond_ethdev_tx_queue_setup,
3290         .rx_queue_release     = bond_ethdev_rx_queue_release,
3291         .tx_queue_release     = bond_ethdev_tx_queue_release,
3292         .link_update          = bond_ethdev_link_update,
3293         .stats_get            = bond_ethdev_stats_get,
3294         .stats_reset          = bond_ethdev_stats_reset,
3295         .promiscuous_enable   = bond_ethdev_promiscuous_enable,
3296         .promiscuous_disable  = bond_ethdev_promiscuous_disable,
3297         .allmulticast_enable  = bond_ethdev_allmulticast_enable,
3298         .allmulticast_disable = bond_ethdev_allmulticast_disable,
3299         .reta_update          = bond_ethdev_rss_reta_update,
3300         .reta_query           = bond_ethdev_rss_reta_query,
3301         .rss_hash_update      = bond_ethdev_rss_hash_update,
3302         .rss_hash_conf_get    = bond_ethdev_rss_hash_conf_get,
3303         .mtu_set              = bond_ethdev_mtu_set,
3304         .mac_addr_set         = bond_ethdev_mac_address_set,
3305         .mac_addr_add         = bond_ethdev_mac_addr_add,
3306         .mac_addr_remove      = bond_ethdev_mac_addr_remove,
3307         .flow_ops_get         = bond_flow_ops_get
3308 };
3309
3310 static int
3311 bond_alloc(struct rte_vdev_device *dev, uint8_t mode)
3312 {
3313         const char *name = rte_vdev_device_name(dev);
3314         uint8_t socket_id = dev->device.numa_node;
3315         struct bond_dev_private *internals = NULL;
3316         struct rte_eth_dev *eth_dev = NULL;
3317         uint32_t vlan_filter_bmp_size;
3318
3319         /* now do all data allocation - for eth_dev structure, dummy pci driver
3320          * and internal (private) data
3321          */
3322
3323         /* reserve an ethdev entry */
3324         eth_dev = rte_eth_vdev_allocate(dev, sizeof(*internals));
3325         if (eth_dev == NULL) {
3326                 RTE_BOND_LOG(ERR, "Unable to allocate rte_eth_dev");
3327                 goto err;
3328         }
3329
3330         internals = eth_dev->data->dev_private;
3331         eth_dev->data->nb_rx_queues = (uint16_t)1;
3332         eth_dev->data->nb_tx_queues = (uint16_t)1;
3333
3334         /* Allocate memory for storing MAC addresses */
3335         eth_dev->data->mac_addrs = rte_zmalloc_socket(name, RTE_ETHER_ADDR_LEN *
3336                         BOND_MAX_MAC_ADDRS, 0, socket_id);
3337         if (eth_dev->data->mac_addrs == NULL) {
3338                 RTE_BOND_LOG(ERR,
3339                              "Failed to allocate %u bytes needed to store MAC addresses",
3340                              RTE_ETHER_ADDR_LEN * BOND_MAX_MAC_ADDRS);
3341                 goto err;
3342         }
3343
3344         eth_dev->dev_ops = &default_dev_ops;
3345         eth_dev->data->dev_flags = RTE_ETH_DEV_INTR_LSC |
3346                                         RTE_ETH_DEV_AUTOFILL_QUEUE_XSTATS;
3347
3348         rte_spinlock_init(&internals->lock);
3349         rte_spinlock_init(&internals->lsc_lock);
3350
3351         internals->port_id = eth_dev->data->port_id;
3352         internals->mode = BONDING_MODE_INVALID;
3353         internals->current_primary_port = RTE_MAX_ETHPORTS + 1;
3354         internals->balance_xmit_policy = BALANCE_XMIT_POLICY_LAYER2;
3355         internals->burst_xmit_hash = burst_xmit_l2_hash;
3356         internals->user_defined_mac = 0;
3357
3358         internals->link_status_polling_enabled = 0;
3359
3360         internals->link_status_polling_interval_ms =
3361                 DEFAULT_POLLING_INTERVAL_10_MS;
3362         internals->link_down_delay_ms = 0;
3363         internals->link_up_delay_ms = 0;
3364
3365         internals->slave_count = 0;
3366         internals->active_slave_count = 0;
3367         internals->rx_offload_capa = 0;
3368         internals->tx_offload_capa = 0;
3369         internals->rx_queue_offload_capa = 0;
3370         internals->tx_queue_offload_capa = 0;
3371         internals->candidate_max_rx_pktlen = 0;
3372         internals->max_rx_pktlen = 0;
3373
3374         /* Initially allow to choose any offload type */
3375         internals->flow_type_rss_offloads = RTE_ETH_RSS_PROTO_MASK;
3376
3377         memset(&internals->default_rxconf, 0,
3378                sizeof(internals->default_rxconf));
3379         memset(&internals->default_txconf, 0,
3380                sizeof(internals->default_txconf));
3381
3382         memset(&internals->rx_desc_lim, 0, sizeof(internals->rx_desc_lim));
3383         memset(&internals->tx_desc_lim, 0, sizeof(internals->tx_desc_lim));
3384
3385         memset(internals->active_slaves, 0, sizeof(internals->active_slaves));
3386         memset(internals->slaves, 0, sizeof(internals->slaves));
3387
3388         TAILQ_INIT(&internals->flow_list);
3389         internals->flow_isolated_valid = 0;
3390
3391         /* Set mode 4 default configuration */
3392         bond_mode_8023ad_setup(eth_dev, NULL);
3393         if (bond_ethdev_mode_set(eth_dev, mode)) {
3394                 RTE_BOND_LOG(ERR, "Failed to set bonded device %u mode to %u",
3395                                  eth_dev->data->port_id, mode);
3396                 goto err;
3397         }
3398
3399         vlan_filter_bmp_size =
3400                 rte_bitmap_get_memory_footprint(RTE_ETHER_MAX_VLAN_ID + 1);
3401         internals->vlan_filter_bmpmem = rte_malloc(name, vlan_filter_bmp_size,
3402                                                    RTE_CACHE_LINE_SIZE);
3403         if (internals->vlan_filter_bmpmem == NULL) {
3404                 RTE_BOND_LOG(ERR,
3405                              "Failed to allocate vlan bitmap for bonded device %u",
3406                              eth_dev->data->port_id);
3407                 goto err;
3408         }
3409
3410         internals->vlan_filter_bmp = rte_bitmap_init(RTE_ETHER_MAX_VLAN_ID + 1,
3411                         internals->vlan_filter_bmpmem, vlan_filter_bmp_size);
3412         if (internals->vlan_filter_bmp == NULL) {
3413                 RTE_BOND_LOG(ERR,
3414                              "Failed to init vlan bitmap for bonded device %u",
3415                              eth_dev->data->port_id);
3416                 rte_free(internals->vlan_filter_bmpmem);
3417                 goto err;
3418         }
3419
3420         return eth_dev->data->port_id;
3421
3422 err:
3423         rte_free(internals);
3424         if (eth_dev != NULL)
3425                 eth_dev->data->dev_private = NULL;
3426         rte_eth_dev_release_port(eth_dev);
3427         return -1;
3428 }
3429
3430 static int
3431 bond_probe(struct rte_vdev_device *dev)
3432 {
3433         const char *name;
3434         struct bond_dev_private *internals;
3435         struct rte_kvargs *kvlist;
3436         uint8_t bonding_mode;
3437         int arg_count, port_id;
3438         int socket_id;
3439         uint8_t agg_mode;
3440         struct rte_eth_dev *eth_dev;
3441
3442         if (!dev)
3443                 return -EINVAL;
3444
3445         name = rte_vdev_device_name(dev);
3446         RTE_BOND_LOG(INFO, "Initializing pmd_bond for %s", name);
3447
3448         if (rte_eal_process_type() == RTE_PROC_SECONDARY) {
3449                 eth_dev = rte_eth_dev_attach_secondary(name);
3450                 if (!eth_dev) {
3451                         RTE_BOND_LOG(ERR, "Failed to probe %s", name);
3452                         return -1;
3453                 }
3454                 /* TODO: request info from primary to set up Rx and Tx */
3455                 eth_dev->dev_ops = &default_dev_ops;
3456                 eth_dev->device = &dev->device;
3457                 rte_eth_dev_probing_finish(eth_dev);
3458                 return 0;
3459         }
3460
3461         kvlist = rte_kvargs_parse(rte_vdev_device_args(dev),
3462                 pmd_bond_init_valid_arguments);
3463         if (kvlist == NULL) {
3464                 RTE_BOND_LOG(ERR, "Invalid args in %s", rte_vdev_device_args(dev));
3465                 return -1;
3466         }
3467
3468         /* Parse link bonding mode */
3469         if (rte_kvargs_count(kvlist, PMD_BOND_MODE_KVARG) == 1) {
3470                 if (rte_kvargs_process(kvlist, PMD_BOND_MODE_KVARG,
3471                                 &bond_ethdev_parse_slave_mode_kvarg,
3472                                 &bonding_mode) != 0) {
3473                         RTE_BOND_LOG(ERR, "Invalid mode for bonded device %s",
3474                                         name);
3475                         goto parse_error;
3476                 }
3477         } else {
3478                 RTE_BOND_LOG(ERR, "Mode must be specified only once for bonded "
3479                                 "device %s", name);
3480                 goto parse_error;
3481         }
3482
3483         /* Parse socket id to create bonding device on */
3484         arg_count = rte_kvargs_count(kvlist, PMD_BOND_SOCKET_ID_KVARG);
3485         if (arg_count == 1) {
3486                 if (rte_kvargs_process(kvlist, PMD_BOND_SOCKET_ID_KVARG,
3487                                 &bond_ethdev_parse_socket_id_kvarg, &socket_id)
3488                                 != 0) {
3489                         RTE_BOND_LOG(ERR, "Invalid socket Id specified for "
3490                                         "bonded device %s", name);
3491                         goto parse_error;
3492                 }
3493         } else if (arg_count > 1) {
3494                 RTE_BOND_LOG(ERR, "Socket Id can be specified only once for "
3495                                 "bonded device %s", name);
3496                 goto parse_error;
3497         } else {
3498                 socket_id = rte_socket_id();
3499         }
3500
3501         dev->device.numa_node = socket_id;
3502
3503         /* Create link bonding eth device */
3504         port_id = bond_alloc(dev, bonding_mode);
3505         if (port_id < 0) {
3506                 RTE_BOND_LOG(ERR, "Failed to create socket %s in mode %u on "
3507                                 "socket %u.",   name, bonding_mode, socket_id);
3508                 goto parse_error;
3509         }
3510         internals = rte_eth_devices[port_id].data->dev_private;
3511         internals->kvlist = kvlist;
3512
3513         if (rte_kvargs_count(kvlist, PMD_BOND_AGG_MODE_KVARG) == 1) {
3514                 if (rte_kvargs_process(kvlist,
3515                                 PMD_BOND_AGG_MODE_KVARG,
3516                                 &bond_ethdev_parse_slave_agg_mode_kvarg,
3517                                 &agg_mode) != 0) {
3518                         RTE_BOND_LOG(ERR,
3519                                         "Failed to parse agg selection mode for bonded device %s",
3520                                         name);
3521                         goto parse_error;
3522                 }
3523
3524                 if (internals->mode == BONDING_MODE_8023AD)
3525                         internals->mode4.agg_selection = agg_mode;
3526         } else {
3527                 internals->mode4.agg_selection = AGG_STABLE;
3528         }
3529
3530         rte_eth_dev_probing_finish(&rte_eth_devices[port_id]);
3531         RTE_BOND_LOG(INFO, "Create bonded device %s on port %d in mode %u on "
3532                         "socket %u.",   name, port_id, bonding_mode, socket_id);
3533         return 0;
3534
3535 parse_error:
3536         rte_kvargs_free(kvlist);
3537
3538         return -1;
3539 }
3540
3541 static int
3542 bond_remove(struct rte_vdev_device *dev)
3543 {
3544         struct rte_eth_dev *eth_dev;
3545         struct bond_dev_private *internals;
3546         const char *name;
3547         int ret = 0;
3548
3549         if (!dev)
3550                 return -EINVAL;
3551
3552         name = rte_vdev_device_name(dev);
3553         RTE_BOND_LOG(INFO, "Uninitializing pmd_bond for %s", name);
3554
3555         /* find an ethdev entry */
3556         eth_dev = rte_eth_dev_allocated(name);
3557         if (eth_dev == NULL)
3558                 return 0; /* port already released */
3559
3560         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
3561                 return rte_eth_dev_release_port(eth_dev);
3562
3563         RTE_ASSERT(eth_dev->device == &dev->device);
3564
3565         internals = eth_dev->data->dev_private;
3566         if (internals->slave_count != 0)
3567                 return -EBUSY;
3568
3569         if (eth_dev->data->dev_started == 1) {
3570                 ret = bond_ethdev_stop(eth_dev);
3571                 bond_ethdev_close(eth_dev);
3572         }
3573         rte_eth_dev_release_port(eth_dev);
3574
3575         return ret;
3576 }
3577
3578 /* this part will resolve the slave portids after all the other pdev and vdev
3579  * have been allocated */
3580 static int
3581 bond_ethdev_configure(struct rte_eth_dev *dev)
3582 {
3583         const char *name = dev->device->name;
3584         struct bond_dev_private *internals = dev->data->dev_private;
3585         struct rte_kvargs *kvlist = internals->kvlist;
3586         int arg_count;
3587         uint16_t port_id = dev - rte_eth_devices;
3588         uint8_t agg_mode;
3589
3590         static const uint8_t default_rss_key[40] = {
3591                 0x6D, 0x5A, 0x56, 0xDA, 0x25, 0x5B, 0x0E, 0xC2, 0x41, 0x67, 0x25, 0x3D,
3592                 0x43, 0xA3, 0x8F, 0xB0, 0xD0, 0xCA, 0x2B, 0xCB, 0xAE, 0x7B, 0x30, 0xB4,
3593                 0x77, 0xCB, 0x2D, 0xA3, 0x80, 0x30, 0xF2, 0x0C, 0x6A, 0x42, 0xB7, 0x3B,
3594                 0xBE, 0xAC, 0x01, 0xFA
3595         };
3596
3597         unsigned i, j;
3598
3599         /*
3600          * If RSS is enabled, fill table with default values and
3601          * set key to the value specified in port RSS configuration.
3602          * Fall back to default RSS key if the key is not specified
3603          */
3604         if (dev->data->dev_conf.rxmode.mq_mode & RTE_ETH_MQ_RX_RSS) {
3605                 struct rte_eth_rss_conf *rss_conf =
3606                         &dev->data->dev_conf.rx_adv_conf.rss_conf;
3607
3608                 if (internals->rss_key_len == 0) {
3609                         internals->rss_key_len = sizeof(default_rss_key);
3610                 }
3611
3612                 if (rss_conf->rss_key != NULL) {
3613                         if (internals->rss_key_len > rss_conf->rss_key_len) {
3614                                 RTE_BOND_LOG(ERR, "Invalid rss key length(%u)",
3615                                                 rss_conf->rss_key_len);
3616                                 return -EINVAL;
3617                         }
3618
3619                         memcpy(internals->rss_key, rss_conf->rss_key,
3620                                internals->rss_key_len);
3621                 } else {
3622                         if (internals->rss_key_len > sizeof(default_rss_key)) {
3623                                 /*
3624                                  * If the rss_key includes standard_rss_key and
3625                                  * extended_hash_key, the rss key length will be
3626                                  * larger than default rss key length, so it should
3627                                  * re-calculate the hash key.
3628                                  */
3629                                 for (i = 0; i < internals->rss_key_len; i++)
3630                                         internals->rss_key[i] = (uint8_t)rte_rand();
3631                         } else {
3632                                 memcpy(internals->rss_key, default_rss_key,
3633                                         internals->rss_key_len);
3634                         }
3635                 }
3636
3637                 for (i = 0; i < RTE_DIM(internals->reta_conf); i++) {
3638                         internals->reta_conf[i].mask = ~0LL;
3639                         for (j = 0; j < RTE_ETH_RETA_GROUP_SIZE; j++)
3640                                 internals->reta_conf[i].reta[j] =
3641                                                 (i * RTE_ETH_RETA_GROUP_SIZE + j) %
3642                                                 dev->data->nb_rx_queues;
3643                 }
3644         }
3645
3646         /* set the max_rx_pktlen */
3647         internals->max_rx_pktlen = internals->candidate_max_rx_pktlen;
3648
3649         /*
3650          * if no kvlist, it means that this bonded device has been created
3651          * through the bonding api.
3652          */
3653         if (!kvlist)
3654                 return 0;
3655
3656         /* Parse MAC address for bonded device */
3657         arg_count = rte_kvargs_count(kvlist, PMD_BOND_MAC_ADDR_KVARG);
3658         if (arg_count == 1) {
3659                 struct rte_ether_addr bond_mac;
3660
3661                 if (rte_kvargs_process(kvlist, PMD_BOND_MAC_ADDR_KVARG,
3662                                        &bond_ethdev_parse_bond_mac_addr_kvarg, &bond_mac) < 0) {
3663                         RTE_BOND_LOG(INFO, "Invalid mac address for bonded device %s",
3664                                      name);
3665                         return -1;
3666                 }
3667
3668                 /* Set MAC address */
3669                 if (rte_eth_bond_mac_address_set(port_id, &bond_mac) != 0) {
3670                         RTE_BOND_LOG(ERR,
3671                                      "Failed to set mac address on bonded device %s",
3672                                      name);
3673                         return -1;
3674                 }
3675         } else if (arg_count > 1) {
3676                 RTE_BOND_LOG(ERR,
3677                              "MAC address can be specified only once for bonded device %s",
3678                              name);
3679                 return -1;
3680         }
3681
3682         /* Parse/set balance mode transmit policy */
3683         arg_count = rte_kvargs_count(kvlist, PMD_BOND_XMIT_POLICY_KVARG);
3684         if (arg_count == 1) {
3685                 uint8_t xmit_policy;
3686
3687                 if (rte_kvargs_process(kvlist, PMD_BOND_XMIT_POLICY_KVARG,
3688                                        &bond_ethdev_parse_balance_xmit_policy_kvarg, &xmit_policy) !=
3689                     0) {
3690                         RTE_BOND_LOG(INFO,
3691                                      "Invalid xmit policy specified for bonded device %s",
3692                                      name);
3693                         return -1;
3694                 }
3695
3696                 /* Set balance mode transmit policy*/
3697                 if (rte_eth_bond_xmit_policy_set(port_id, xmit_policy) != 0) {
3698                         RTE_BOND_LOG(ERR,
3699                                      "Failed to set balance xmit policy on bonded device %s",
3700                                      name);
3701                         return -1;
3702                 }
3703         } else if (arg_count > 1) {
3704                 RTE_BOND_LOG(ERR,
3705                              "Transmit policy can be specified only once for bonded device %s",
3706                              name);
3707                 return -1;
3708         }
3709
3710         if (rte_kvargs_count(kvlist, PMD_BOND_AGG_MODE_KVARG) == 1) {
3711                 if (rte_kvargs_process(kvlist,
3712                                        PMD_BOND_AGG_MODE_KVARG,
3713                                        &bond_ethdev_parse_slave_agg_mode_kvarg,
3714                                        &agg_mode) != 0) {
3715                         RTE_BOND_LOG(ERR,
3716                                      "Failed to parse agg selection mode for bonded device %s",
3717                                      name);
3718                 }
3719                 if (internals->mode == BONDING_MODE_8023AD) {
3720                         int ret = rte_eth_bond_8023ad_agg_selection_set(port_id,
3721                                         agg_mode);
3722                         if (ret < 0) {
3723                                 RTE_BOND_LOG(ERR,
3724                                         "Invalid args for agg selection set for bonded device %s",
3725                                         name);
3726                                 return -1;
3727                         }
3728                 }
3729         }
3730
3731         /* Parse/add slave ports to bonded device */
3732         if (rte_kvargs_count(kvlist, PMD_BOND_SLAVE_PORT_KVARG) > 0) {
3733                 struct bond_ethdev_slave_ports slave_ports;
3734                 unsigned i;
3735
3736                 memset(&slave_ports, 0, sizeof(slave_ports));
3737
3738                 if (rte_kvargs_process(kvlist, PMD_BOND_SLAVE_PORT_KVARG,
3739                                        &bond_ethdev_parse_slave_port_kvarg, &slave_ports) != 0) {
3740                         RTE_BOND_LOG(ERR,
3741                                      "Failed to parse slave ports for bonded device %s",
3742                                      name);
3743                         return -1;
3744                 }
3745
3746                 for (i = 0; i < slave_ports.slave_count; i++) {
3747                         if (rte_eth_bond_slave_add(port_id, slave_ports.slaves[i]) != 0) {
3748                                 RTE_BOND_LOG(ERR,
3749                                              "Failed to add port %d as slave to bonded device %s",
3750                                              slave_ports.slaves[i], name);
3751                         }
3752                 }
3753
3754         } else {
3755                 RTE_BOND_LOG(INFO, "No slaves specified for bonded device %s", name);
3756                 return -1;
3757         }
3758
3759         /* Parse/set primary slave port id*/
3760         arg_count = rte_kvargs_count(kvlist, PMD_BOND_PRIMARY_SLAVE_KVARG);
3761         if (arg_count == 1) {
3762                 uint16_t primary_slave_port_id;
3763
3764                 if (rte_kvargs_process(kvlist,
3765                                        PMD_BOND_PRIMARY_SLAVE_KVARG,
3766                                        &bond_ethdev_parse_primary_slave_port_id_kvarg,
3767                                        &primary_slave_port_id) < 0) {
3768                         RTE_BOND_LOG(INFO,
3769                                      "Invalid primary slave port id specified for bonded device %s",
3770                                      name);
3771                         return -1;
3772                 }
3773
3774                 /* Set balance mode transmit policy*/
3775                 if (rte_eth_bond_primary_set(port_id, primary_slave_port_id)
3776                     != 0) {
3777                         RTE_BOND_LOG(ERR,
3778                                      "Failed to set primary slave port %d on bonded device %s",
3779                                      primary_slave_port_id, name);
3780                         return -1;
3781                 }
3782         } else if (arg_count > 1) {
3783                 RTE_BOND_LOG(INFO,
3784                              "Primary slave can be specified only once for bonded device %s",
3785                              name);
3786                 return -1;
3787         }
3788
3789         /* Parse link status monitor polling interval */
3790         arg_count = rte_kvargs_count(kvlist, PMD_BOND_LSC_POLL_PERIOD_KVARG);
3791         if (arg_count == 1) {
3792                 uint32_t lsc_poll_interval_ms;
3793
3794                 if (rte_kvargs_process(kvlist,
3795                                        PMD_BOND_LSC_POLL_PERIOD_KVARG,
3796                                        &bond_ethdev_parse_time_ms_kvarg,
3797                                        &lsc_poll_interval_ms) < 0) {
3798                         RTE_BOND_LOG(INFO,
3799                                      "Invalid lsc polling interval value specified for bonded"
3800                                      " device %s", name);
3801                         return -1;
3802                 }
3803
3804                 if (rte_eth_bond_link_monitoring_set(port_id, lsc_poll_interval_ms)
3805                     != 0) {
3806                         RTE_BOND_LOG(ERR,
3807                                      "Failed to set lsc monitor polling interval (%u ms) on bonded device %s",
3808                                      lsc_poll_interval_ms, name);
3809                         return -1;
3810                 }
3811         } else if (arg_count > 1) {
3812                 RTE_BOND_LOG(INFO,
3813                              "LSC polling interval can be specified only once for bonded"
3814                              " device %s", name);
3815                 return -1;
3816         }
3817
3818         /* Parse link up interrupt propagation delay */
3819         arg_count = rte_kvargs_count(kvlist, PMD_BOND_LINK_UP_PROP_DELAY_KVARG);
3820         if (arg_count == 1) {
3821                 uint32_t link_up_delay_ms;
3822
3823                 if (rte_kvargs_process(kvlist,
3824                                        PMD_BOND_LINK_UP_PROP_DELAY_KVARG,
3825                                        &bond_ethdev_parse_time_ms_kvarg,
3826                                        &link_up_delay_ms) < 0) {
3827                         RTE_BOND_LOG(INFO,
3828                                      "Invalid link up propagation delay value specified for"
3829                                      " bonded device %s", name);
3830                         return -1;
3831                 }
3832
3833                 /* Set balance mode transmit policy*/
3834                 if (rte_eth_bond_link_up_prop_delay_set(port_id, link_up_delay_ms)
3835                     != 0) {
3836                         RTE_BOND_LOG(ERR,
3837                                      "Failed to set link up propagation delay (%u ms) on bonded"
3838                                      " device %s", link_up_delay_ms, name);
3839                         return -1;
3840                 }
3841         } else if (arg_count > 1) {
3842                 RTE_BOND_LOG(INFO,
3843                              "Link up propagation delay can be specified only once for"
3844                              " bonded device %s", name);
3845                 return -1;
3846         }
3847
3848         /* Parse link down interrupt propagation delay */
3849         arg_count = rte_kvargs_count(kvlist, PMD_BOND_LINK_DOWN_PROP_DELAY_KVARG);
3850         if (arg_count == 1) {
3851                 uint32_t link_down_delay_ms;
3852
3853                 if (rte_kvargs_process(kvlist,
3854                                        PMD_BOND_LINK_DOWN_PROP_DELAY_KVARG,
3855                                        &bond_ethdev_parse_time_ms_kvarg,
3856                                        &link_down_delay_ms) < 0) {
3857                         RTE_BOND_LOG(INFO,
3858                                      "Invalid link down propagation delay value specified for"
3859                                      " bonded device %s", name);
3860                         return -1;
3861                 }
3862
3863                 /* Set balance mode transmit policy*/
3864                 if (rte_eth_bond_link_down_prop_delay_set(port_id, link_down_delay_ms)
3865                     != 0) {
3866                         RTE_BOND_LOG(ERR,
3867                                      "Failed to set link down propagation delay (%u ms) on bonded device %s",
3868                                      link_down_delay_ms, name);
3869                         return -1;
3870                 }
3871         } else if (arg_count > 1) {
3872                 RTE_BOND_LOG(INFO,
3873                              "Link down propagation delay can be specified only once for  bonded device %s",
3874                              name);
3875                 return -1;
3876         }
3877
3878         /* configure slaves so we can pass mtu setting */
3879         for (i = 0; i < internals->slave_count; i++) {
3880                 struct rte_eth_dev *slave_ethdev =
3881                                 &(rte_eth_devices[internals->slaves[i].port_id]);
3882                 if (slave_configure(dev, slave_ethdev) != 0) {
3883                         RTE_BOND_LOG(ERR,
3884                                 "bonded port (%d) failed to configure slave device (%d)",
3885                                 dev->data->port_id,
3886                                 internals->slaves[i].port_id);
3887                         return -1;
3888                 }
3889         }
3890         return 0;
3891 }
3892
3893 struct rte_vdev_driver pmd_bond_drv = {
3894         .probe = bond_probe,
3895         .remove = bond_remove,
3896 };
3897
3898 RTE_PMD_REGISTER_VDEV(net_bonding, pmd_bond_drv);
3899 RTE_PMD_REGISTER_ALIAS(net_bonding, eth_bond);
3900
3901 RTE_PMD_REGISTER_PARAM_STRING(net_bonding,
3902         "slave=<ifc> "
3903         "primary=<ifc> "
3904         "mode=[0-6] "
3905         "xmit_policy=[l2 | l23 | l34] "
3906         "agg_mode=[count | stable | bandwidth] "
3907         "socket_id=<int> "
3908         "mac=<mac addr> "
3909         "lsc_poll_period_ms=<int> "
3910         "up_delay=<int> "
3911         "down_delay=<int>");
3912
3913 /* We can't use RTE_LOG_REGISTER_DEFAULT because of the forced name for
3914  * this library, see meson.build.
3915  */
3916 RTE_LOG_REGISTER(bond_logtype, pmd.net.bonding, NOTICE);