Imported Upstream version 16.04
[deb_dpdk.git] / drivers / net / bonding / rte_eth_bond_pmd.c
diff --git a/drivers/net/bonding/rte_eth_bond_pmd.c b/drivers/net/bonding/rte_eth_bond_pmd.c
new file mode 100644 (file)
index 0000000..54788cf
--- /dev/null
@@ -0,0 +1,2515 @@
+/*-
+ *   BSD LICENSE
+ *
+ *   Copyright(c) 2010-2015 Intel Corporation. All rights reserved.
+ *   All rights reserved.
+ *
+ *   Redistribution and use in source and binary forms, with or without
+ *   modification, are permitted provided that the following conditions
+ *   are met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in
+ *       the documentation and/or other materials provided with the
+ *       distribution.
+ *     * Neither the name of Intel Corporation nor the names of its
+ *       contributors may be used to endorse or promote products derived
+ *       from this software without specific prior written permission.
+ *
+ *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+#include <stdlib.h>
+#include <netinet/in.h>
+
+#include <rte_mbuf.h>
+#include <rte_malloc.h>
+#include <rte_ethdev.h>
+#include <rte_tcp.h>
+#include <rte_udp.h>
+#include <rte_ip.h>
+#include <rte_ip_frag.h>
+#include <rte_devargs.h>
+#include <rte_kvargs.h>
+#include <rte_dev.h>
+#include <rte_alarm.h>
+#include <rte_cycles.h>
+
+#include "rte_eth_bond.h"
+#include "rte_eth_bond_private.h"
+#include "rte_eth_bond_8023ad_private.h"
+
+#define REORDER_PERIOD_MS 10
+
+#define HASH_L4_PORTS(h) ((h)->src_port ^ (h)->dst_port)
+
+/* Table for statistics in mode 5 TLB */
+static uint64_t tlb_last_obytets[RTE_MAX_ETHPORTS];
+
+static inline size_t
+get_vlan_offset(struct ether_hdr *eth_hdr, uint16_t *proto)
+{
+       size_t vlan_offset = 0;
+
+       if (rte_cpu_to_be_16(ETHER_TYPE_VLAN) == *proto) {
+               struct vlan_hdr *vlan_hdr = (struct vlan_hdr *)(eth_hdr + 1);
+
+               vlan_offset = sizeof(struct vlan_hdr);
+               *proto = vlan_hdr->eth_proto;
+
+               if (rte_cpu_to_be_16(ETHER_TYPE_VLAN) == *proto) {
+                       vlan_hdr = vlan_hdr + 1;
+                       *proto = vlan_hdr->eth_proto;
+                       vlan_offset += sizeof(struct vlan_hdr);
+               }
+       }
+       return vlan_offset;
+}
+
+static uint16_t
+bond_ethdev_rx_burst(void *queue, struct rte_mbuf **bufs, uint16_t nb_pkts)
+{
+       struct bond_dev_private *internals;
+
+       uint16_t num_rx_slave = 0;
+       uint16_t num_rx_total = 0;
+
+       int i;
+
+       /* Cast to structure, containing bonded device's port id and queue id */
+       struct bond_rx_queue *bd_rx_q = (struct bond_rx_queue *)queue;
+
+       internals = bd_rx_q->dev_private;
+
+
+       for (i = 0; i < internals->active_slave_count && nb_pkts; i++) {
+               /* Offset of pointer to *bufs increases as packets are received
+                * from other slaves */
+               num_rx_slave = rte_eth_rx_burst(internals->active_slaves[i],
+                               bd_rx_q->queue_id, bufs + num_rx_total, nb_pkts);
+               if (num_rx_slave) {
+                       num_rx_total += num_rx_slave;
+                       nb_pkts -= num_rx_slave;
+               }
+       }
+
+       return num_rx_total;
+}
+
+static uint16_t
+bond_ethdev_rx_burst_active_backup(void *queue, struct rte_mbuf **bufs,
+               uint16_t nb_pkts)
+{
+       struct bond_dev_private *internals;
+
+       /* Cast to structure, containing bonded device's port id and queue id */
+       struct bond_rx_queue *bd_rx_q = (struct bond_rx_queue *)queue;
+
+       internals = bd_rx_q->dev_private;
+
+       return rte_eth_rx_burst(internals->current_primary_port,
+                       bd_rx_q->queue_id, bufs, nb_pkts);
+}
+
+static uint16_t
+bond_ethdev_rx_burst_8023ad(void *queue, struct rte_mbuf **bufs,
+               uint16_t nb_pkts)
+{
+       /* Cast to structure, containing bonded device's port id and queue id */
+       struct bond_rx_queue *bd_rx_q = (struct bond_rx_queue *)queue;
+       struct bond_dev_private *internals = bd_rx_q->dev_private;
+       struct ether_addr bond_mac;
+
+       struct ether_hdr *hdr;
+
+       const uint16_t ether_type_slow_be = rte_be_to_cpu_16(ETHER_TYPE_SLOW);
+       uint16_t num_rx_total = 0;      /* Total number of received packets */
+       uint8_t slaves[RTE_MAX_ETHPORTS];
+       uint8_t slave_count;
+
+       uint8_t collecting;  /* current slave collecting status */
+       const uint8_t promisc = internals->promiscuous_en;
+       uint8_t i, j, k;
+
+       rte_eth_macaddr_get(internals->port_id, &bond_mac);
+       /* Copy slave list to protect against slave up/down changes during tx
+        * bursting */
+       slave_count = internals->active_slave_count;
+       memcpy(slaves, internals->active_slaves,
+                       sizeof(internals->active_slaves[0]) * slave_count);
+
+       for (i = 0; i < slave_count && num_rx_total < nb_pkts; i++) {
+               j = num_rx_total;
+               collecting = ACTOR_STATE(&mode_8023ad_ports[slaves[i]], COLLECTING);
+
+               /* Read packets from this slave */
+               num_rx_total += rte_eth_rx_burst(slaves[i], bd_rx_q->queue_id,
+                               &bufs[num_rx_total], nb_pkts - num_rx_total);
+
+               for (k = j; k < 2 && k < num_rx_total; k++)
+                       rte_prefetch0(rte_pktmbuf_mtod(bufs[k], void *));
+
+               /* Handle slow protocol packets. */
+               while (j < num_rx_total) {
+                       if (j + 3 < num_rx_total)
+                               rte_prefetch0(rte_pktmbuf_mtod(bufs[j + 3], void *));
+
+                       hdr = rte_pktmbuf_mtod(bufs[j], struct ether_hdr *);
+                       /* Remove packet from array if it is slow packet or slave is not
+                        * in collecting state or bondign interface is not in promiscus
+                        * mode and packet address does not match. */
+                       if (unlikely(hdr->ether_type == ether_type_slow_be ||
+                               !collecting || (!promisc &&
+                                       !is_multicast_ether_addr(&hdr->d_addr) &&
+                                       !is_same_ether_addr(&bond_mac, &hdr->d_addr)))) {
+
+                               if (hdr->ether_type == ether_type_slow_be) {
+                                       bond_mode_8023ad_handle_slow_pkt(internals, slaves[i],
+                                               bufs[j]);
+                               } else
+                                       rte_pktmbuf_free(bufs[j]);
+
+                               /* Packet is managed by mode 4 or dropped, shift the array */
+                               num_rx_total--;
+                               if (j < num_rx_total) {
+                                       memmove(&bufs[j], &bufs[j + 1], sizeof(bufs[0]) *
+                                               (num_rx_total - j));
+                               }
+                       } else
+                               j++;
+               }
+       }
+
+       return num_rx_total;
+}
+
+#if defined(RTE_LIBRTE_BOND_DEBUG_ALB) || defined(RTE_LIBRTE_BOND_DEBUG_ALB_L1)
+uint32_t burstnumberRX;
+uint32_t burstnumberTX;
+
+#ifdef RTE_LIBRTE_BOND_DEBUG_ALB
+
+static void
+arp_op_name(uint16_t arp_op, char *buf)
+{
+       switch (arp_op) {
+       case ARP_OP_REQUEST:
+               snprintf(buf, sizeof("ARP Request"), "%s", "ARP Request");
+               return;
+       case ARP_OP_REPLY:
+               snprintf(buf, sizeof("ARP Reply"), "%s", "ARP Reply");
+               return;
+       case ARP_OP_REVREQUEST:
+               snprintf(buf, sizeof("Reverse ARP Request"), "%s",
+                               "Reverse ARP Request");
+               return;
+       case ARP_OP_REVREPLY:
+               snprintf(buf, sizeof("Reverse ARP Reply"), "%s",
+                               "Reverse ARP Reply");
+               return;
+       case ARP_OP_INVREQUEST:
+               snprintf(buf, sizeof("Peer Identify Request"), "%s",
+                               "Peer Identify Request");
+               return;
+       case ARP_OP_INVREPLY:
+               snprintf(buf, sizeof("Peer Identify Reply"), "%s",
+                               "Peer Identify Reply");
+               return;
+       default:
+               break;
+       }
+       snprintf(buf, sizeof("Unknown"), "%s", "Unknown");
+       return;
+}
+#endif
+#define MaxIPv4String  16
+static void
+ipv4_addr_to_dot(uint32_t be_ipv4_addr, char *buf, uint8_t buf_size)
+{
+       uint32_t ipv4_addr;
+
+       ipv4_addr = rte_be_to_cpu_32(be_ipv4_addr);
+       snprintf(buf, buf_size, "%d.%d.%d.%d", (ipv4_addr >> 24) & 0xFF,
+               (ipv4_addr >> 16) & 0xFF, (ipv4_addr >> 8) & 0xFF,
+               ipv4_addr & 0xFF);
+}
+
+#define MAX_CLIENTS_NUMBER     128
+uint8_t active_clients;
+struct client_stats_t {
+       uint8_t port;
+       uint32_t ipv4_addr;
+       uint32_t ipv4_rx_packets;
+       uint32_t ipv4_tx_packets;
+};
+struct client_stats_t client_stats[MAX_CLIENTS_NUMBER];
+
+static void
+update_client_stats(uint32_t addr, uint8_t port, uint32_t *TXorRXindicator)
+{
+       int i = 0;
+
+       for (; i < MAX_CLIENTS_NUMBER; i++)     {
+               if ((client_stats[i].ipv4_addr == addr) && (client_stats[i].port == port))      {
+                       /* Just update RX packets number for this client */
+                       if (TXorRXindicator == &burstnumberRX)
+                               client_stats[i].ipv4_rx_packets++;
+                       else
+                               client_stats[i].ipv4_tx_packets++;
+                       return;
+               }
+       }
+       /* We have a new client. Insert him to the table, and increment stats */
+       if (TXorRXindicator == &burstnumberRX)
+               client_stats[active_clients].ipv4_rx_packets++;
+       else
+               client_stats[active_clients].ipv4_tx_packets++;
+       client_stats[active_clients].ipv4_addr = addr;
+       client_stats[active_clients].port = port;
+       active_clients++;
+
+}
+
+#ifdef RTE_LIBRTE_BOND_DEBUG_ALB
+#define MODE6_DEBUG(info, src_ip, dst_ip, eth_h, arp_op, port, burstnumber)    \
+               RTE_LOG(DEBUG, PMD, \
+               "%s " \
+               "port:%d " \
+               "SrcMAC:%02X:%02X:%02X:%02X:%02X:%02X " \
+               "SrcIP:%s " \
+               "DstMAC:%02X:%02X:%02X:%02X:%02X:%02X " \
+               "DstIP:%s " \
+               "%s " \
+               "%d\n", \
+               info, \
+               port, \
+               eth_h->s_addr.addr_bytes[0], \
+               eth_h->s_addr.addr_bytes[1], \
+               eth_h->s_addr.addr_bytes[2], \
+               eth_h->s_addr.addr_bytes[3], \
+               eth_h->s_addr.addr_bytes[4], \
+               eth_h->s_addr.addr_bytes[5], \
+               src_ip, \
+               eth_h->d_addr.addr_bytes[0], \
+               eth_h->d_addr.addr_bytes[1], \
+               eth_h->d_addr.addr_bytes[2], \
+               eth_h->d_addr.addr_bytes[3], \
+               eth_h->d_addr.addr_bytes[4], \
+               eth_h->d_addr.addr_bytes[5], \
+               dst_ip, \
+               arp_op, \
+               ++burstnumber)
+#endif
+
+static void
+mode6_debug(const char __attribute__((unused)) *info, struct ether_hdr *eth_h,
+               uint8_t port, uint32_t __attribute__((unused)) *burstnumber)
+{
+       struct ipv4_hdr *ipv4_h;
+#ifdef RTE_LIBRTE_BOND_DEBUG_ALB
+       struct arp_hdr *arp_h;
+       char dst_ip[16];
+       char ArpOp[24];
+       char buf[16];
+#endif
+       char src_ip[16];
+
+       uint16_t ether_type = eth_h->ether_type;
+       uint16_t offset = get_vlan_offset(eth_h, &ether_type);
+
+#ifdef RTE_LIBRTE_BOND_DEBUG_ALB
+       snprintf(buf, 16, "%s", info);
+#endif
+
+       if (ether_type == rte_cpu_to_be_16(ETHER_TYPE_IPv4)) {
+               ipv4_h = (struct ipv4_hdr *)((char *)(eth_h + 1) + offset);
+               ipv4_addr_to_dot(ipv4_h->src_addr, src_ip, MaxIPv4String);
+#ifdef RTE_LIBRTE_BOND_DEBUG_ALB
+               ipv4_addr_to_dot(ipv4_h->dst_addr, dst_ip, MaxIPv4String);
+               MODE6_DEBUG(buf, src_ip, dst_ip, eth_h, "", port, *burstnumber);
+#endif
+               update_client_stats(ipv4_h->src_addr, port, burstnumber);
+       }
+#ifdef RTE_LIBRTE_BOND_DEBUG_ALB
+       else if (ether_type == rte_cpu_to_be_16(ETHER_TYPE_ARP)) {
+               arp_h = (struct arp_hdr *)((char *)(eth_h + 1) + offset);
+               ipv4_addr_to_dot(arp_h->arp_data.arp_sip, src_ip, MaxIPv4String);
+               ipv4_addr_to_dot(arp_h->arp_data.arp_tip, dst_ip, MaxIPv4String);
+               arp_op_name(rte_be_to_cpu_16(arp_h->arp_op), ArpOp);
+               MODE6_DEBUG(buf, src_ip, dst_ip, eth_h, ArpOp, port, *burstnumber);
+       }
+#endif
+}
+#endif
+
+static uint16_t
+bond_ethdev_rx_burst_alb(void *queue, struct rte_mbuf **bufs, uint16_t nb_pkts)
+{
+       struct bond_tx_queue *bd_tx_q = (struct bond_tx_queue *)queue;
+       struct bond_dev_private *internals = bd_tx_q->dev_private;
+       struct ether_hdr *eth_h;
+       uint16_t ether_type, offset;
+       uint16_t nb_recv_pkts;
+       int i;
+
+       nb_recv_pkts = bond_ethdev_rx_burst(queue, bufs, nb_pkts);
+
+       for (i = 0; i < nb_recv_pkts; i++) {
+               eth_h = rte_pktmbuf_mtod(bufs[i], struct ether_hdr *);
+               ether_type = eth_h->ether_type;
+               offset = get_vlan_offset(eth_h, &ether_type);
+
+               if (ether_type == rte_cpu_to_be_16(ETHER_TYPE_ARP)) {
+#if defined(RTE_LIBRTE_BOND_DEBUG_ALB) || defined(RTE_LIBRTE_BOND_DEBUG_ALB_L1)
+                       mode6_debug("RX ARP:", eth_h, bufs[i]->port, &burstnumberRX);
+#endif
+                       bond_mode_alb_arp_recv(eth_h, offset, internals);
+               }
+#if defined(RTE_LIBRTE_BOND_DEBUG_ALB) || defined(RTE_LIBRTE_BOND_DEBUG_ALB_L1)
+               else if (ether_type == rte_cpu_to_be_16(ETHER_TYPE_IPv4))
+                       mode6_debug("RX IPv4:", eth_h, bufs[i]->port, &burstnumberRX);
+#endif
+       }
+
+       return nb_recv_pkts;
+}
+
+static uint16_t
+bond_ethdev_tx_burst_round_robin(void *queue, struct rte_mbuf **bufs,
+               uint16_t nb_pkts)
+{
+       struct bond_dev_private *internals;
+       struct bond_tx_queue *bd_tx_q;
+
+       struct rte_mbuf *slave_bufs[RTE_MAX_ETHPORTS][nb_pkts];
+       uint16_t slave_nb_pkts[RTE_MAX_ETHPORTS] = { 0 };
+
+       uint8_t num_of_slaves;
+       uint8_t slaves[RTE_MAX_ETHPORTS];
+
+       uint16_t num_tx_total = 0, num_tx_slave;
+
+       static int slave_idx = 0;
+       int i, cslave_idx = 0, tx_fail_total = 0;
+
+       bd_tx_q = (struct bond_tx_queue *)queue;
+       internals = bd_tx_q->dev_private;
+
+       /* Copy slave list to protect against slave up/down changes during tx
+        * bursting */
+       num_of_slaves = internals->active_slave_count;
+       memcpy(slaves, internals->active_slaves,
+                       sizeof(internals->active_slaves[0]) * num_of_slaves);
+
+       if (num_of_slaves < 1)
+               return num_tx_total;
+
+       /* Populate slaves mbuf with which packets are to be sent on it  */
+       for (i = 0; i < nb_pkts; i++) {
+               cslave_idx = (slave_idx + i) % num_of_slaves;
+               slave_bufs[cslave_idx][(slave_nb_pkts[cslave_idx])++] = bufs[i];
+       }
+
+       /* increment current slave index so the next call to tx burst starts on the
+        * next slave */
+       slave_idx = ++cslave_idx;
+
+       /* Send packet burst on each slave device */
+       for (i = 0; i < num_of_slaves; i++) {
+               if (slave_nb_pkts[i] > 0) {
+                       num_tx_slave = rte_eth_tx_burst(slaves[i], bd_tx_q->queue_id,
+                                       slave_bufs[i], slave_nb_pkts[i]);
+
+                       /* if tx burst fails move packets to end of bufs */
+                       if (unlikely(num_tx_slave < slave_nb_pkts[i])) {
+                               int tx_fail_slave = slave_nb_pkts[i] - num_tx_slave;
+
+                               tx_fail_total += tx_fail_slave;
+
+                               memcpy(&bufs[nb_pkts - tx_fail_total],
+                                               &slave_bufs[i][num_tx_slave],
+                                               tx_fail_slave * sizeof(bufs[0]));
+                       }
+                       num_tx_total += num_tx_slave;
+               }
+       }
+
+       return num_tx_total;
+}
+
+static uint16_t
+bond_ethdev_tx_burst_active_backup(void *queue,
+               struct rte_mbuf **bufs, uint16_t nb_pkts)
+{
+       struct bond_dev_private *internals;
+       struct bond_tx_queue *bd_tx_q;
+
+       bd_tx_q = (struct bond_tx_queue *)queue;
+       internals = bd_tx_q->dev_private;
+
+       if (internals->active_slave_count < 1)
+               return 0;
+
+       return rte_eth_tx_burst(internals->current_primary_port, bd_tx_q->queue_id,
+                       bufs, nb_pkts);
+}
+
+static inline uint16_t
+ether_hash(struct ether_hdr *eth_hdr)
+{
+       unaligned_uint16_t *word_src_addr =
+               (unaligned_uint16_t *)eth_hdr->s_addr.addr_bytes;
+       unaligned_uint16_t *word_dst_addr =
+               (unaligned_uint16_t *)eth_hdr->d_addr.addr_bytes;
+
+       return (word_src_addr[0] ^ word_dst_addr[0]) ^
+                       (word_src_addr[1] ^ word_dst_addr[1]) ^
+                       (word_src_addr[2] ^ word_dst_addr[2]);
+}
+
+static inline uint32_t
+ipv4_hash(struct ipv4_hdr *ipv4_hdr)
+{
+       return ipv4_hdr->src_addr ^ ipv4_hdr->dst_addr;
+}
+
+static inline uint32_t
+ipv6_hash(struct ipv6_hdr *ipv6_hdr)
+{
+       unaligned_uint32_t *word_src_addr =
+               (unaligned_uint32_t *)&(ipv6_hdr->src_addr[0]);
+       unaligned_uint32_t *word_dst_addr =
+               (unaligned_uint32_t *)&(ipv6_hdr->dst_addr[0]);
+
+       return (word_src_addr[0] ^ word_dst_addr[0]) ^
+                       (word_src_addr[1] ^ word_dst_addr[1]) ^
+                       (word_src_addr[2] ^ word_dst_addr[2]) ^
+                       (word_src_addr[3] ^ word_dst_addr[3]);
+}
+
+uint16_t
+xmit_l2_hash(const struct rte_mbuf *buf, uint8_t slave_count)
+{
+       struct ether_hdr *eth_hdr = rte_pktmbuf_mtod(buf, struct ether_hdr *);
+
+       uint32_t hash = ether_hash(eth_hdr);
+
+       return (hash ^= hash >> 8) % slave_count;
+}
+
+uint16_t
+xmit_l23_hash(const struct rte_mbuf *buf, uint8_t slave_count)
+{
+       struct ether_hdr *eth_hdr = rte_pktmbuf_mtod(buf, struct ether_hdr *);
+       uint16_t proto = eth_hdr->ether_type;
+       size_t vlan_offset = get_vlan_offset(eth_hdr, &proto);
+       uint32_t hash, l3hash = 0;
+
+       hash = ether_hash(eth_hdr);
+
+       if (rte_cpu_to_be_16(ETHER_TYPE_IPv4) == proto) {
+               struct ipv4_hdr *ipv4_hdr = (struct ipv4_hdr *)
+                               ((char *)(eth_hdr + 1) + vlan_offset);
+               l3hash = ipv4_hash(ipv4_hdr);
+
+       } else if (rte_cpu_to_be_16(ETHER_TYPE_IPv6) == proto) {
+               struct ipv6_hdr *ipv6_hdr = (struct ipv6_hdr *)
+                               ((char *)(eth_hdr + 1) + vlan_offset);
+               l3hash = ipv6_hash(ipv6_hdr);
+       }
+
+       hash = hash ^ l3hash;
+       hash ^= hash >> 16;
+       hash ^= hash >> 8;
+
+       return hash % slave_count;
+}
+
+uint16_t
+xmit_l34_hash(const struct rte_mbuf *buf, uint8_t slave_count)
+{
+       struct ether_hdr *eth_hdr = rte_pktmbuf_mtod(buf, struct ether_hdr *);
+       uint16_t proto = eth_hdr->ether_type;
+       size_t vlan_offset = get_vlan_offset(eth_hdr, &proto);
+
+       struct udp_hdr *udp_hdr = NULL;
+       struct tcp_hdr *tcp_hdr = NULL;
+       uint32_t hash, l3hash = 0, l4hash = 0;
+
+       if (rte_cpu_to_be_16(ETHER_TYPE_IPv4) == proto) {
+               struct ipv4_hdr *ipv4_hdr = (struct ipv4_hdr *)
+                               ((char *)(eth_hdr + 1) + vlan_offset);
+               size_t ip_hdr_offset;
+
+               l3hash = ipv4_hash(ipv4_hdr);
+
+               /* there is no L4 header in fragmented packet */
+               if (likely(rte_ipv4_frag_pkt_is_fragmented(ipv4_hdr) == 0)) {
+                       ip_hdr_offset = (ipv4_hdr->version_ihl & IPV4_HDR_IHL_MASK) *
+                                       IPV4_IHL_MULTIPLIER;
+
+                       if (ipv4_hdr->next_proto_id == IPPROTO_TCP) {
+                               tcp_hdr = (struct tcp_hdr *)((char *)ipv4_hdr +
+                                               ip_hdr_offset);
+                               l4hash = HASH_L4_PORTS(tcp_hdr);
+                       } else if (ipv4_hdr->next_proto_id == IPPROTO_UDP) {
+                               udp_hdr = (struct udp_hdr *)((char *)ipv4_hdr +
+                                               ip_hdr_offset);
+                               l4hash = HASH_L4_PORTS(udp_hdr);
+                       }
+               }
+       } else if  (rte_cpu_to_be_16(ETHER_TYPE_IPv6) == proto) {
+               struct ipv6_hdr *ipv6_hdr = (struct ipv6_hdr *)
+                               ((char *)(eth_hdr + 1) + vlan_offset);
+               l3hash = ipv6_hash(ipv6_hdr);
+
+               if (ipv6_hdr->proto == IPPROTO_TCP) {
+                       tcp_hdr = (struct tcp_hdr *)(ipv6_hdr + 1);
+                       l4hash = HASH_L4_PORTS(tcp_hdr);
+               } else if (ipv6_hdr->proto == IPPROTO_UDP) {
+                       udp_hdr = (struct udp_hdr *)(ipv6_hdr + 1);
+                       l4hash = HASH_L4_PORTS(udp_hdr);
+               }
+       }
+
+       hash = l3hash ^ l4hash;
+       hash ^= hash >> 16;
+       hash ^= hash >> 8;
+
+       return hash % slave_count;
+}
+
+struct bwg_slave {
+       uint64_t bwg_left_int;
+       uint64_t bwg_left_remainder;
+       uint8_t slave;
+};
+
+void
+bond_tlb_activate_slave(struct bond_dev_private *internals) {
+       int i;
+
+       for (i = 0; i < internals->active_slave_count; i++) {
+               tlb_last_obytets[internals->active_slaves[i]] = 0;
+       }
+}
+
+static int
+bandwidth_cmp(const void *a, const void *b)
+{
+       const struct bwg_slave *bwg_a = a;
+       const struct bwg_slave *bwg_b = b;
+       int64_t diff = (int64_t)bwg_b->bwg_left_int - (int64_t)bwg_a->bwg_left_int;
+       int64_t diff2 = (int64_t)bwg_b->bwg_left_remainder -
+                       (int64_t)bwg_a->bwg_left_remainder;
+       if (diff > 0)
+               return 1;
+       else if (diff < 0)
+               return -1;
+       else if (diff2 > 0)
+               return 1;
+       else if (diff2 < 0)
+               return -1;
+       else
+               return 0;
+}
+
+static void
+bandwidth_left(uint8_t port_id, uint64_t load, uint8_t update_idx,
+               struct bwg_slave *bwg_slave)
+{
+       struct rte_eth_link link_status;
+
+       rte_eth_link_get(port_id, &link_status);
+       uint64_t link_bwg = link_status.link_speed * 1000000ULL / 8;
+       if (link_bwg == 0)
+               return;
+       link_bwg = link_bwg * (update_idx+1) * REORDER_PERIOD_MS;
+       bwg_slave->bwg_left_int = (link_bwg - 1000*load) / link_bwg;
+       bwg_slave->bwg_left_remainder = (link_bwg - 1000*load) % link_bwg;
+}
+
+static void
+bond_ethdev_update_tlb_slave_cb(void *arg)
+{
+       struct bond_dev_private *internals = arg;
+       struct rte_eth_stats slave_stats;
+       struct bwg_slave bwg_array[RTE_MAX_ETHPORTS];
+       uint8_t slave_count;
+       uint64_t tx_bytes;
+
+       uint8_t update_stats = 0;
+       uint8_t i, slave_id;
+
+       internals->slave_update_idx++;
+
+
+       if (internals->slave_update_idx >= REORDER_PERIOD_MS)
+               update_stats = 1;
+
+       for (i = 0; i < internals->active_slave_count; i++) {
+               slave_id = internals->active_slaves[i];
+               rte_eth_stats_get(slave_id, &slave_stats);
+               tx_bytes = slave_stats.obytes - tlb_last_obytets[slave_id];
+               bandwidth_left(slave_id, tx_bytes,
+                               internals->slave_update_idx, &bwg_array[i]);
+               bwg_array[i].slave = slave_id;
+
+               if (update_stats) {
+                       tlb_last_obytets[slave_id] = slave_stats.obytes;
+               }
+       }
+
+       if (update_stats == 1)
+               internals->slave_update_idx = 0;
+
+       slave_count = i;
+       qsort(bwg_array, slave_count, sizeof(bwg_array[0]), bandwidth_cmp);
+       for (i = 0; i < slave_count; i++)
+               internals->tlb_slaves_order[i] = bwg_array[i].slave;
+
+       rte_eal_alarm_set(REORDER_PERIOD_MS * 1000, bond_ethdev_update_tlb_slave_cb,
+                       (struct bond_dev_private *)internals);
+}
+
+static uint16_t
+bond_ethdev_tx_burst_tlb(void *queue, struct rte_mbuf **bufs, uint16_t nb_pkts)
+{
+       struct bond_tx_queue *bd_tx_q = (struct bond_tx_queue *)queue;
+       struct bond_dev_private *internals = bd_tx_q->dev_private;
+
+       struct rte_eth_dev *primary_port =
+                       &rte_eth_devices[internals->primary_port];
+       uint16_t num_tx_total = 0;
+       uint8_t i, j;
+
+       uint8_t num_of_slaves = internals->active_slave_count;
+       uint8_t slaves[RTE_MAX_ETHPORTS];
+
+       struct ether_hdr *ether_hdr;
+       struct ether_addr primary_slave_addr;
+       struct ether_addr active_slave_addr;
+
+       if (num_of_slaves < 1)
+               return num_tx_total;
+
+       memcpy(slaves, internals->tlb_slaves_order,
+                               sizeof(internals->tlb_slaves_order[0]) * num_of_slaves);
+
+
+       ether_addr_copy(primary_port->data->mac_addrs, &primary_slave_addr);
+
+       if (nb_pkts > 3) {
+               for (i = 0; i < 3; i++)
+                       rte_prefetch0(rte_pktmbuf_mtod(bufs[i], void*));
+       }
+
+       for (i = 0; i < num_of_slaves; i++) {
+               rte_eth_macaddr_get(slaves[i], &active_slave_addr);
+               for (j = num_tx_total; j < nb_pkts; j++) {
+                       if (j + 3 < nb_pkts)
+                               rte_prefetch0(rte_pktmbuf_mtod(bufs[j+3], void*));
+
+                       ether_hdr = rte_pktmbuf_mtod(bufs[j], struct ether_hdr *);
+                       if (is_same_ether_addr(&ether_hdr->s_addr, &primary_slave_addr))
+                               ether_addr_copy(&active_slave_addr, &ether_hdr->s_addr);
+#if defined(RTE_LIBRTE_BOND_DEBUG_ALB) || defined(RTE_LIBRTE_BOND_DEBUG_ALB_L1)
+                                       mode6_debug("TX IPv4:", ether_hdr, slaves[i], &burstnumberTX);
+#endif
+               }
+
+               num_tx_total += rte_eth_tx_burst(slaves[i], bd_tx_q->queue_id,
+                               bufs + num_tx_total, nb_pkts - num_tx_total);
+
+               if (num_tx_total == nb_pkts)
+                       break;
+       }
+
+       return num_tx_total;
+}
+
+void
+bond_tlb_disable(struct bond_dev_private *internals)
+{
+       rte_eal_alarm_cancel(bond_ethdev_update_tlb_slave_cb, internals);
+}
+
+void
+bond_tlb_enable(struct bond_dev_private *internals)
+{
+       bond_ethdev_update_tlb_slave_cb(internals);
+}
+
+static uint16_t
+bond_ethdev_tx_burst_alb(void *queue, struct rte_mbuf **bufs, uint16_t nb_pkts)
+{
+       struct bond_tx_queue *bd_tx_q = (struct bond_tx_queue *)queue;
+       struct bond_dev_private *internals = bd_tx_q->dev_private;
+
+       struct ether_hdr *eth_h;
+       uint16_t ether_type, offset;
+
+       struct client_data *client_info;
+
+       /*
+        * We create transmit buffers for every slave and one additional to send
+        * through tlb. In worst case every packet will be send on one port.
+        */
+       struct rte_mbuf *slave_bufs[RTE_MAX_ETHPORTS + 1][nb_pkts];
+       uint16_t slave_bufs_pkts[RTE_MAX_ETHPORTS + 1] = { 0 };
+
+       /*
+        * We create separate transmit buffers for update packets as they wont be
+        * counted in num_tx_total.
+        */
+       struct rte_mbuf *update_bufs[RTE_MAX_ETHPORTS][ALB_HASH_TABLE_SIZE];
+       uint16_t update_bufs_pkts[RTE_MAX_ETHPORTS] = { 0 };
+
+       struct rte_mbuf *upd_pkt;
+       size_t pkt_size;
+
+       uint16_t num_send, num_not_send = 0;
+       uint16_t num_tx_total = 0;
+       uint8_t slave_idx;
+
+       int i, j;
+
+       /* Search tx buffer for ARP packets and forward them to alb */
+       for (i = 0; i < nb_pkts; i++) {
+               eth_h = rte_pktmbuf_mtod(bufs[i], struct ether_hdr *);
+               ether_type = eth_h->ether_type;
+               offset = get_vlan_offset(eth_h, &ether_type);
+
+               if (ether_type == rte_cpu_to_be_16(ETHER_TYPE_ARP)) {
+                       slave_idx = bond_mode_alb_arp_xmit(eth_h, offset, internals);
+
+                       /* Change src mac in eth header */
+                       rte_eth_macaddr_get(slave_idx, &eth_h->s_addr);
+
+                       /* Add packet to slave tx buffer */
+                       slave_bufs[slave_idx][slave_bufs_pkts[slave_idx]] = bufs[i];
+                       slave_bufs_pkts[slave_idx]++;
+               } else {
+                       /* If packet is not ARP, send it with TLB policy */
+                       slave_bufs[RTE_MAX_ETHPORTS][slave_bufs_pkts[RTE_MAX_ETHPORTS]] =
+                                       bufs[i];
+                       slave_bufs_pkts[RTE_MAX_ETHPORTS]++;
+               }
+       }
+
+       /* Update connected client ARP tables */
+       if (internals->mode6.ntt) {
+               for (i = 0; i < ALB_HASH_TABLE_SIZE; i++) {
+                       client_info = &internals->mode6.client_table[i];
+
+                       if (client_info->in_use) {
+                               /* Allocate new packet to send ARP update on current slave */
+                               upd_pkt = rte_pktmbuf_alloc(internals->mode6.mempool);
+                               if (upd_pkt == NULL) {
+                                       RTE_LOG(ERR, PMD, "Failed to allocate ARP packet from pool\n");
+                                       continue;
+                               }
+                               pkt_size = sizeof(struct ether_hdr) + sizeof(struct arp_hdr)
+                                               + client_info->vlan_count * sizeof(struct vlan_hdr);
+                               upd_pkt->data_len = pkt_size;
+                               upd_pkt->pkt_len = pkt_size;
+
+                               slave_idx = bond_mode_alb_arp_upd(client_info, upd_pkt,
+                                               internals);
+
+                               /* Add packet to update tx buffer */
+                               update_bufs[slave_idx][update_bufs_pkts[slave_idx]] = upd_pkt;
+                               update_bufs_pkts[slave_idx]++;
+                       }
+               }
+               internals->mode6.ntt = 0;
+       }
+
+       /* Send ARP packets on proper slaves */
+       for (i = 0; i < RTE_MAX_ETHPORTS; i++) {
+               if (slave_bufs_pkts[i] > 0) {
+                       num_send = rte_eth_tx_burst(i, bd_tx_q->queue_id,
+                                       slave_bufs[i], slave_bufs_pkts[i]);
+                       for (j = 0; j < slave_bufs_pkts[i] - num_send; j++) {
+                               bufs[nb_pkts - 1 - num_not_send - j] =
+                                               slave_bufs[i][nb_pkts - 1 - j];
+                       }
+
+                       num_tx_total += num_send;
+                       num_not_send += slave_bufs_pkts[i] - num_send;
+
+#if defined(RTE_LIBRTE_BOND_DEBUG_ALB) || defined(RTE_LIBRTE_BOND_DEBUG_ALB_L1)
+       /* Print TX stats including update packets */
+                       for (j = 0; j < slave_bufs_pkts[i]; j++) {
+                               eth_h = rte_pktmbuf_mtod(slave_bufs[i][j], struct ether_hdr *);
+                               mode6_debug("TX ARP:", eth_h, i, &burstnumberTX);
+                       }
+#endif
+               }
+       }
+
+       /* Send update packets on proper slaves */
+       for (i = 0; i < RTE_MAX_ETHPORTS; i++) {
+               if (update_bufs_pkts[i] > 0) {
+                       num_send = rte_eth_tx_burst(i, bd_tx_q->queue_id, update_bufs[i],
+                                       update_bufs_pkts[i]);
+                       for (j = num_send; j < update_bufs_pkts[i]; j++) {
+                               rte_pktmbuf_free(update_bufs[i][j]);
+                       }
+#if defined(RTE_LIBRTE_BOND_DEBUG_ALB) || defined(RTE_LIBRTE_BOND_DEBUG_ALB_L1)
+                       for (j = 0; j < update_bufs_pkts[i]; j++) {
+                               eth_h = rte_pktmbuf_mtod(update_bufs[i][j], struct ether_hdr *);
+                               mode6_debug("TX ARPupd:", eth_h, i, &burstnumberTX);
+                       }
+#endif
+               }
+       }
+
+       /* Send non-ARP packets using tlb policy */
+       if (slave_bufs_pkts[RTE_MAX_ETHPORTS] > 0) {
+               num_send = bond_ethdev_tx_burst_tlb(queue,
+                               slave_bufs[RTE_MAX_ETHPORTS],
+                               slave_bufs_pkts[RTE_MAX_ETHPORTS]);
+
+               for (j = 0; j < slave_bufs_pkts[RTE_MAX_ETHPORTS]; j++) {
+                       bufs[nb_pkts - 1 - num_not_send - j] =
+                                       slave_bufs[RTE_MAX_ETHPORTS][nb_pkts - 1 - j];
+               }
+
+               num_tx_total += num_send;
+               num_not_send += slave_bufs_pkts[RTE_MAX_ETHPORTS] - num_send;
+       }
+
+       return num_tx_total;
+}
+
+static uint16_t
+bond_ethdev_tx_burst_balance(void *queue, struct rte_mbuf **bufs,
+               uint16_t nb_pkts)
+{
+       struct bond_dev_private *internals;
+       struct bond_tx_queue *bd_tx_q;
+
+       uint8_t num_of_slaves;
+       uint8_t slaves[RTE_MAX_ETHPORTS];
+
+       uint16_t num_tx_total = 0, num_tx_slave = 0, tx_fail_total = 0;
+
+       int i, op_slave_id;
+
+       struct rte_mbuf *slave_bufs[RTE_MAX_ETHPORTS][nb_pkts];
+       uint16_t slave_nb_pkts[RTE_MAX_ETHPORTS] = { 0 };
+
+       bd_tx_q = (struct bond_tx_queue *)queue;
+       internals = bd_tx_q->dev_private;
+
+       /* Copy slave list to protect against slave up/down changes during tx
+        * bursting */
+       num_of_slaves = internals->active_slave_count;
+       memcpy(slaves, internals->active_slaves,
+                       sizeof(internals->active_slaves[0]) * num_of_slaves);
+
+       if (num_of_slaves < 1)
+               return num_tx_total;
+
+       /* Populate slaves mbuf with the packets which are to be sent on it  */
+       for (i = 0; i < nb_pkts; i++) {
+               /* Select output slave using hash based on xmit policy */
+               op_slave_id = internals->xmit_hash(bufs[i], num_of_slaves);
+
+               /* Populate slave mbuf arrays with mbufs for that slave */
+               slave_bufs[op_slave_id][slave_nb_pkts[op_slave_id]++] = bufs[i];
+       }
+
+       /* Send packet burst on each slave device */
+       for (i = 0; i < num_of_slaves; i++) {
+               if (slave_nb_pkts[i] > 0) {
+                       num_tx_slave = rte_eth_tx_burst(slaves[i], bd_tx_q->queue_id,
+                                       slave_bufs[i], slave_nb_pkts[i]);
+
+                       /* if tx burst fails move packets to end of bufs */
+                       if (unlikely(num_tx_slave < slave_nb_pkts[i])) {
+                               int slave_tx_fail_count = slave_nb_pkts[i] - num_tx_slave;
+
+                               tx_fail_total += slave_tx_fail_count;
+                               memcpy(&bufs[nb_pkts - tx_fail_total],
+                                               &slave_bufs[i][num_tx_slave],
+                                               slave_tx_fail_count * sizeof(bufs[0]));
+                       }
+
+                       num_tx_total += num_tx_slave;
+               }
+       }
+
+       return num_tx_total;
+}
+
+static uint16_t
+bond_ethdev_tx_burst_8023ad(void *queue, struct rte_mbuf **bufs,
+               uint16_t nb_pkts)
+{
+       struct bond_dev_private *internals;
+       struct bond_tx_queue *bd_tx_q;
+
+       uint8_t num_of_slaves;
+       uint8_t slaves[RTE_MAX_ETHPORTS];
+        /* positions in slaves, not ID */
+       uint8_t distributing_offsets[RTE_MAX_ETHPORTS];
+       uint8_t distributing_count;
+
+       uint16_t num_tx_slave, num_tx_total = 0, num_tx_fail_total = 0;
+       uint16_t i, j, op_slave_idx;
+       const uint16_t buffs_size = nb_pkts + BOND_MODE_8023AX_SLAVE_TX_PKTS + 1;
+
+       /* Allocate additional packets in case 8023AD mode. */
+       struct rte_mbuf *slave_bufs[RTE_MAX_ETHPORTS][buffs_size];
+       void *slow_pkts[BOND_MODE_8023AX_SLAVE_TX_PKTS] = { NULL };
+
+       /* Total amount of packets in slave_bufs */
+       uint16_t slave_nb_pkts[RTE_MAX_ETHPORTS] = { 0 };
+       /* Slow packets placed in each slave */
+       uint8_t slave_slow_nb_pkts[RTE_MAX_ETHPORTS] = { 0 };
+
+       bd_tx_q = (struct bond_tx_queue *)queue;
+       internals = bd_tx_q->dev_private;
+
+       /* Copy slave list to protect against slave up/down changes during tx
+        * bursting */
+       num_of_slaves = internals->active_slave_count;
+       if (num_of_slaves < 1)
+               return num_tx_total;
+
+       memcpy(slaves, internals->active_slaves, sizeof(slaves[0]) * num_of_slaves);
+
+       distributing_count = 0;
+       for (i = 0; i < num_of_slaves; i++) {
+               struct port *port = &mode_8023ad_ports[slaves[i]];
+
+               slave_slow_nb_pkts[i] = rte_ring_dequeue_burst(port->tx_ring,
+                               slow_pkts, BOND_MODE_8023AX_SLAVE_TX_PKTS);
+               slave_nb_pkts[i] = slave_slow_nb_pkts[i];
+
+               for (j = 0; j < slave_slow_nb_pkts[i]; j++)
+                       slave_bufs[i][j] = slow_pkts[j];
+
+               if (ACTOR_STATE(port, DISTRIBUTING))
+                       distributing_offsets[distributing_count++] = i;
+       }
+
+       if (likely(distributing_count > 0)) {
+               /* Populate slaves mbuf with the packets which are to be sent on it */
+               for (i = 0; i < nb_pkts; i++) {
+                       /* Select output slave using hash based on xmit policy */
+                       op_slave_idx = internals->xmit_hash(bufs[i], distributing_count);
+
+                       /* Populate slave mbuf arrays with mbufs for that slave. Use only
+                        * slaves that are currently distributing. */
+                       uint8_t slave_offset = distributing_offsets[op_slave_idx];
+                       slave_bufs[slave_offset][slave_nb_pkts[slave_offset]] = bufs[i];
+                       slave_nb_pkts[slave_offset]++;
+               }
+       }
+
+       /* Send packet burst on each slave device */
+       for (i = 0; i < num_of_slaves; i++) {
+               if (slave_nb_pkts[i] == 0)
+                       continue;
+
+               num_tx_slave = rte_eth_tx_burst(slaves[i], bd_tx_q->queue_id,
+                               slave_bufs[i], slave_nb_pkts[i]);
+
+               /* If tx burst fails drop slow packets */
+               for ( ; num_tx_slave < slave_slow_nb_pkts[i]; num_tx_slave++)
+                       rte_pktmbuf_free(slave_bufs[i][num_tx_slave]);
+
+               num_tx_total += num_tx_slave - slave_slow_nb_pkts[i];
+               num_tx_fail_total += slave_nb_pkts[i] - num_tx_slave;
+
+               /* If tx burst fails move packets to end of bufs */
+               if (unlikely(num_tx_slave < slave_nb_pkts[i])) {
+                       uint16_t j = nb_pkts - num_tx_fail_total;
+                       for ( ; num_tx_slave < slave_nb_pkts[i]; j++, num_tx_slave++)
+                               bufs[j] = slave_bufs[i][num_tx_slave];
+               }
+       }
+
+       return num_tx_total;
+}
+
+static uint16_t
+bond_ethdev_tx_burst_broadcast(void *queue, struct rte_mbuf **bufs,
+               uint16_t nb_pkts)
+{
+       struct bond_dev_private *internals;
+       struct bond_tx_queue *bd_tx_q;
+
+       uint8_t tx_failed_flag = 0, num_of_slaves;
+       uint8_t slaves[RTE_MAX_ETHPORTS];
+
+       uint16_t max_nb_of_tx_pkts = 0;
+
+       int slave_tx_total[RTE_MAX_ETHPORTS];
+       int i, most_successful_tx_slave = -1;
+
+       bd_tx_q = (struct bond_tx_queue *)queue;
+       internals = bd_tx_q->dev_private;
+
+       /* Copy slave list to protect against slave up/down changes during tx
+        * bursting */
+       num_of_slaves = internals->active_slave_count;
+       memcpy(slaves, internals->active_slaves,
+                       sizeof(internals->active_slaves[0]) * num_of_slaves);
+
+       if (num_of_slaves < 1)
+               return 0;
+
+       /* Increment reference count on mbufs */
+       for (i = 0; i < nb_pkts; i++)
+               rte_mbuf_refcnt_update(bufs[i], num_of_slaves - 1);
+
+       /* Transmit burst on each active slave */
+       for (i = 0; i < num_of_slaves; i++) {
+               slave_tx_total[i] = rte_eth_tx_burst(slaves[i], bd_tx_q->queue_id,
+                                       bufs, nb_pkts);
+
+               if (unlikely(slave_tx_total[i] < nb_pkts))
+                       tx_failed_flag = 1;
+
+               /* record the value and slave index for the slave which transmits the
+                * maximum number of packets */
+               if (slave_tx_total[i] > max_nb_of_tx_pkts) {
+                       max_nb_of_tx_pkts = slave_tx_total[i];
+                       most_successful_tx_slave = i;
+               }
+       }
+
+       /* if slaves fail to transmit packets from burst, the calling application
+        * is not expected to know about multiple references to packets so we must
+        * handle failures of all packets except those of the most successful slave
+        */
+       if (unlikely(tx_failed_flag))
+               for (i = 0; i < num_of_slaves; i++)
+                       if (i != most_successful_tx_slave)
+                               while (slave_tx_total[i] < nb_pkts)
+                                       rte_pktmbuf_free(bufs[slave_tx_total[i]++]);
+
+       return max_nb_of_tx_pkts;
+}
+
+void
+link_properties_set(struct rte_eth_dev *bonded_eth_dev,
+               struct rte_eth_link *slave_dev_link)
+{
+       struct rte_eth_link *bonded_dev_link = &bonded_eth_dev->data->dev_link;
+       struct bond_dev_private *internals = bonded_eth_dev->data->dev_private;
+
+       if (slave_dev_link->link_status &&
+               bonded_eth_dev->data->dev_started) {
+               bonded_dev_link->link_duplex = slave_dev_link->link_duplex;
+               bonded_dev_link->link_speed = slave_dev_link->link_speed;
+
+               internals->link_props_set = 1;
+       }
+}
+
+void
+link_properties_reset(struct rte_eth_dev *bonded_eth_dev)
+{
+       struct bond_dev_private *internals = bonded_eth_dev->data->dev_private;
+
+       memset(&(bonded_eth_dev->data->dev_link), 0,
+                       sizeof(bonded_eth_dev->data->dev_link));
+
+       internals->link_props_set = 0;
+}
+
+int
+link_properties_valid(struct rte_eth_link *bonded_dev_link,
+               struct rte_eth_link *slave_dev_link)
+{
+       if (bonded_dev_link->link_duplex != slave_dev_link->link_duplex ||
+               bonded_dev_link->link_speed !=  slave_dev_link->link_speed)
+               return -1;
+
+       return 0;
+}
+
+int
+mac_address_get(struct rte_eth_dev *eth_dev, struct ether_addr *dst_mac_addr)
+{
+       struct ether_addr *mac_addr;
+
+       if (eth_dev == NULL) {
+               RTE_LOG(ERR, PMD, "%s: NULL pointer eth_dev specified\n", __func__);
+               return -1;
+       }
+
+       if (dst_mac_addr == NULL) {
+               RTE_LOG(ERR, PMD, "%s: NULL pointer MAC specified\n", __func__);
+               return -1;
+       }
+
+       mac_addr = eth_dev->data->mac_addrs;
+
+       ether_addr_copy(mac_addr, dst_mac_addr);
+       return 0;
+}
+
+int
+mac_address_set(struct rte_eth_dev *eth_dev, struct ether_addr *new_mac_addr)
+{
+       struct ether_addr *mac_addr;
+
+       if (eth_dev == NULL) {
+               RTE_BOND_LOG(ERR, "NULL pointer eth_dev specified");
+               return -1;
+       }
+
+       if (new_mac_addr == NULL) {
+               RTE_BOND_LOG(ERR, "NULL pointer MAC specified");
+               return -1;
+       }
+
+       mac_addr = eth_dev->data->mac_addrs;
+
+       /* If new MAC is different to current MAC then update */
+       if (memcmp(mac_addr, new_mac_addr, sizeof(*mac_addr)) != 0)
+               memcpy(mac_addr, new_mac_addr, sizeof(*mac_addr));
+
+       return 0;
+}
+
+int
+mac_address_slaves_update(struct rte_eth_dev *bonded_eth_dev)
+{
+       struct bond_dev_private *internals = bonded_eth_dev->data->dev_private;
+       int i;
+
+       /* Update slave devices MAC addresses */
+       if (internals->slave_count < 1)
+               return -1;
+
+       switch (internals->mode) {
+       case BONDING_MODE_ROUND_ROBIN:
+       case BONDING_MODE_BALANCE:
+       case BONDING_MODE_BROADCAST:
+               for (i = 0; i < internals->slave_count; i++) {
+                       if (mac_address_set(&rte_eth_devices[internals->slaves[i].port_id],
+                                       bonded_eth_dev->data->mac_addrs)) {
+                               RTE_BOND_LOG(ERR, "Failed to update port Id %d MAC address",
+                                               internals->slaves[i].port_id);
+                               return -1;
+                       }
+               }
+               break;
+       case BONDING_MODE_8023AD:
+               bond_mode_8023ad_mac_address_update(bonded_eth_dev);
+               break;
+       case BONDING_MODE_ACTIVE_BACKUP:
+       case BONDING_MODE_TLB:
+       case BONDING_MODE_ALB:
+       default:
+               for (i = 0; i < internals->slave_count; i++) {
+                       if (internals->slaves[i].port_id ==
+                                       internals->current_primary_port) {
+                               if (mac_address_set(&rte_eth_devices[internals->primary_port],
+                                               bonded_eth_dev->data->mac_addrs)) {
+                                       RTE_BOND_LOG(ERR, "Failed to update port Id %d MAC address",
+                                                       internals->current_primary_port);
+                                       return -1;
+                               }
+                       } else {
+                               if (mac_address_set(
+                                               &rte_eth_devices[internals->slaves[i].port_id],
+                                               &internals->slaves[i].persisted_mac_addr)) {
+                                       RTE_BOND_LOG(ERR, "Failed to update port Id %d MAC address",
+                                                       internals->slaves[i].port_id);
+                                       return -1;
+                               }
+                       }
+               }
+       }
+
+       return 0;
+}
+
+int
+bond_ethdev_mode_set(struct rte_eth_dev *eth_dev, int mode)
+{
+       struct bond_dev_private *internals;
+
+       internals = eth_dev->data->dev_private;
+
+       switch (mode) {
+       case BONDING_MODE_ROUND_ROBIN:
+               eth_dev->tx_pkt_burst = bond_ethdev_tx_burst_round_robin;
+               eth_dev->rx_pkt_burst = bond_ethdev_rx_burst;
+               break;
+       case BONDING_MODE_ACTIVE_BACKUP:
+               eth_dev->tx_pkt_burst = bond_ethdev_tx_burst_active_backup;
+               eth_dev->rx_pkt_burst = bond_ethdev_rx_burst_active_backup;
+               break;
+       case BONDING_MODE_BALANCE:
+               eth_dev->tx_pkt_burst = bond_ethdev_tx_burst_balance;
+               eth_dev->rx_pkt_burst = bond_ethdev_rx_burst;
+               break;
+       case BONDING_MODE_BROADCAST:
+               eth_dev->tx_pkt_burst = bond_ethdev_tx_burst_broadcast;
+               eth_dev->rx_pkt_burst = bond_ethdev_rx_burst;
+               break;
+       case BONDING_MODE_8023AD:
+               if (bond_mode_8023ad_enable(eth_dev) != 0)
+                       return -1;
+
+               eth_dev->rx_pkt_burst = bond_ethdev_rx_burst_8023ad;
+               eth_dev->tx_pkt_burst = bond_ethdev_tx_burst_8023ad;
+               RTE_LOG(WARNING, PMD,
+                               "Using mode 4, it is necessary to do TX burst and RX burst "
+                               "at least every 100ms.\n");
+               break;
+       case BONDING_MODE_TLB:
+               eth_dev->tx_pkt_burst = bond_ethdev_tx_burst_tlb;
+               eth_dev->rx_pkt_burst = bond_ethdev_rx_burst_active_backup;
+               break;
+       case BONDING_MODE_ALB:
+               if (bond_mode_alb_enable(eth_dev) != 0)
+                       return -1;
+
+               eth_dev->tx_pkt_burst = bond_ethdev_tx_burst_alb;
+               eth_dev->rx_pkt_burst = bond_ethdev_rx_burst_alb;
+               break;
+       default:
+               return -1;
+       }
+
+       internals->mode = mode;
+
+       return 0;
+}
+
+int
+slave_configure(struct rte_eth_dev *bonded_eth_dev,
+               struct rte_eth_dev *slave_eth_dev)
+{
+       struct bond_rx_queue *bd_rx_q;
+       struct bond_tx_queue *bd_tx_q;
+
+       uint16_t old_nb_tx_queues = slave_eth_dev->data->nb_tx_queues;
+       uint16_t old_nb_rx_queues = slave_eth_dev->data->nb_rx_queues;
+       int errval;
+       uint16_t q_id;
+
+       /* Stop slave */
+       rte_eth_dev_stop(slave_eth_dev->data->port_id);
+
+       /* Enable interrupts on slave device if supported */
+       if (slave_eth_dev->data->dev_flags & RTE_ETH_DEV_INTR_LSC)
+               slave_eth_dev->data->dev_conf.intr_conf.lsc = 1;
+
+       /* If RSS is enabled for bonding, try to enable it for slaves  */
+       if (bonded_eth_dev->data->dev_conf.rxmode.mq_mode & ETH_MQ_RX_RSS_FLAG) {
+               if (bonded_eth_dev->data->dev_conf.rx_adv_conf.rss_conf.rss_key_len
+                               != 0) {
+                       slave_eth_dev->data->dev_conf.rx_adv_conf.rss_conf.rss_key_len =
+                                       bonded_eth_dev->data->dev_conf.rx_adv_conf.rss_conf.rss_key_len;
+                       slave_eth_dev->data->dev_conf.rx_adv_conf.rss_conf.rss_key =
+                                       bonded_eth_dev->data->dev_conf.rx_adv_conf.rss_conf.rss_key;
+               } else {
+                       slave_eth_dev->data->dev_conf.rx_adv_conf.rss_conf.rss_key = NULL;
+               }
+
+               slave_eth_dev->data->dev_conf.rx_adv_conf.rss_conf.rss_hf =
+                               bonded_eth_dev->data->dev_conf.rx_adv_conf.rss_conf.rss_hf;
+               slave_eth_dev->data->dev_conf.rxmode.mq_mode =
+                               bonded_eth_dev->data->dev_conf.rxmode.mq_mode;
+       }
+
+       /* Configure device */
+       errval = rte_eth_dev_configure(slave_eth_dev->data->port_id,
+                       bonded_eth_dev->data->nb_rx_queues,
+                       bonded_eth_dev->data->nb_tx_queues,
+                       &(slave_eth_dev->data->dev_conf));
+       if (errval != 0) {
+               RTE_BOND_LOG(ERR, "Cannot configure slave device: port %u , err (%d)",
+                               slave_eth_dev->data->port_id, errval);
+               return errval;
+       }
+
+       /* Setup Rx Queues */
+       /* Use existing queues, if any */
+       for (q_id = old_nb_rx_queues;
+            q_id < bonded_eth_dev->data->nb_rx_queues; q_id++) {
+               bd_rx_q = (struct bond_rx_queue *)bonded_eth_dev->data->rx_queues[q_id];
+
+               errval = rte_eth_rx_queue_setup(slave_eth_dev->data->port_id, q_id,
+                               bd_rx_q->nb_rx_desc,
+                               rte_eth_dev_socket_id(slave_eth_dev->data->port_id),
+                               &(bd_rx_q->rx_conf), bd_rx_q->mb_pool);
+               if (errval != 0) {
+                       RTE_BOND_LOG(ERR,
+                                       "rte_eth_rx_queue_setup: port=%d queue_id %d, err (%d)",
+                                       slave_eth_dev->data->port_id, q_id, errval);
+                       return errval;
+               }
+       }
+
+       /* Setup Tx Queues */
+       /* Use existing queues, if any */
+       for (q_id = old_nb_tx_queues;
+            q_id < bonded_eth_dev->data->nb_tx_queues; q_id++) {
+               bd_tx_q = (struct bond_tx_queue *)bonded_eth_dev->data->tx_queues[q_id];
+
+               errval = rte_eth_tx_queue_setup(slave_eth_dev->data->port_id, q_id,
+                               bd_tx_q->nb_tx_desc,
+                               rte_eth_dev_socket_id(slave_eth_dev->data->port_id),
+                               &bd_tx_q->tx_conf);
+               if (errval != 0) {
+                       RTE_BOND_LOG(ERR,
+                                       "rte_eth_tx_queue_setup: port=%d queue_id %d, err (%d)",
+                                       slave_eth_dev->data->port_id, q_id, errval);
+                       return errval;
+               }
+       }
+
+       /* Start device */
+       errval = rte_eth_dev_start(slave_eth_dev->data->port_id);
+       if (errval != 0) {
+               RTE_BOND_LOG(ERR, "rte_eth_dev_start: port=%u, err (%d)",
+                               slave_eth_dev->data->port_id, errval);
+               return -1;
+       }
+
+       /* If RSS is enabled for bonding, synchronize RETA */
+       if (bonded_eth_dev->data->dev_conf.rxmode.mq_mode & ETH_MQ_RX_RSS) {
+               int i;
+               struct bond_dev_private *internals;
+
+               internals = bonded_eth_dev->data->dev_private;
+
+               for (i = 0; i < internals->slave_count; i++) {
+                       if (internals->slaves[i].port_id == slave_eth_dev->data->port_id) {
+                               errval = rte_eth_dev_rss_reta_update(
+                                               slave_eth_dev->data->port_id,
+                                               &internals->reta_conf[0],
+                                               internals->slaves[i].reta_size);
+                               if (errval != 0) {
+                                       RTE_LOG(WARNING, PMD,
+                                                       "rte_eth_dev_rss_reta_update on slave port %d fails (err %d)."
+                                                       " RSS Configuration for bonding may be inconsistent.\n",
+                                                       slave_eth_dev->data->port_id, errval);
+                               }
+                               break;
+                       }
+               }
+       }
+
+       /* If lsc interrupt is set, check initial slave's link status */
+       if (slave_eth_dev->data->dev_flags & RTE_ETH_DEV_INTR_LSC)
+               bond_ethdev_lsc_event_callback(slave_eth_dev->data->port_id,
+                       RTE_ETH_EVENT_INTR_LSC, &bonded_eth_dev->data->port_id);
+
+       return 0;
+}
+
+void
+slave_remove(struct bond_dev_private *internals,
+               struct rte_eth_dev *slave_eth_dev)
+{
+       uint8_t i;
+
+       for (i = 0; i < internals->slave_count; i++)
+               if (internals->slaves[i].port_id ==
+                               slave_eth_dev->data->port_id)
+                       break;
+
+       if (i < (internals->slave_count - 1))
+               memmove(&internals->slaves[i], &internals->slaves[i + 1],
+                               sizeof(internals->slaves[0]) *
+                               (internals->slave_count - i - 1));
+
+       internals->slave_count--;
+}
+
+static void
+bond_ethdev_slave_link_status_change_monitor(void *cb_arg);
+
+void
+slave_add(struct bond_dev_private *internals,
+               struct rte_eth_dev *slave_eth_dev)
+{
+       struct bond_slave_details *slave_details =
+                       &internals->slaves[internals->slave_count];
+
+       slave_details->port_id = slave_eth_dev->data->port_id;
+       slave_details->last_link_status = 0;
+
+       /* Mark slave devices that don't support interrupts so we can
+        * compensate when we start the bond
+        */
+       if (!(slave_eth_dev->data->dev_flags & RTE_ETH_DEV_INTR_LSC)) {
+               slave_details->link_status_poll_enabled = 1;
+       }
+
+       slave_details->link_status_wait_to_complete = 0;
+       /* clean tlb_last_obytes when adding port for bonding device */
+       memcpy(&(slave_details->persisted_mac_addr), slave_eth_dev->data->mac_addrs,
+                       sizeof(struct ether_addr));
+}
+
+void
+bond_ethdev_primary_set(struct bond_dev_private *internals,
+               uint8_t slave_port_id)
+{
+       int i;
+
+       if (internals->active_slave_count < 1)
+               internals->current_primary_port = slave_port_id;
+       else
+               /* Search bonded device slave ports for new proposed primary port */
+               for (i = 0; i < internals->active_slave_count; i++) {
+                       if (internals->active_slaves[i] == slave_port_id)
+                               internals->current_primary_port = slave_port_id;
+               }
+}
+
+static void
+bond_ethdev_promiscuous_enable(struct rte_eth_dev *eth_dev);
+
+static int
+bond_ethdev_start(struct rte_eth_dev *eth_dev)
+{
+       struct bond_dev_private *internals;
+       int i;
+
+       /* slave eth dev will be started by bonded device */
+       if (check_for_bonded_ethdev(eth_dev)) {
+               RTE_BOND_LOG(ERR, "User tried to explicitly start a slave eth_dev (%d)",
+                               eth_dev->data->port_id);
+               return -1;
+       }
+
+       eth_dev->data->dev_link.link_status = ETH_LINK_DOWN;
+       eth_dev->data->dev_started = 1;
+
+       internals = eth_dev->data->dev_private;
+
+       if (internals->slave_count == 0) {
+               RTE_BOND_LOG(ERR, "Cannot start port since there are no slave devices");
+               return -1;
+       }
+
+       if (internals->user_defined_mac == 0) {
+               struct ether_addr *new_mac_addr = NULL;
+
+               for (i = 0; i < internals->slave_count; i++)
+                       if (internals->slaves[i].port_id == internals->primary_port)
+                               new_mac_addr = &internals->slaves[i].persisted_mac_addr;
+
+               if (new_mac_addr == NULL)
+                       return -1;
+
+               if (mac_address_set(eth_dev, new_mac_addr) != 0) {
+                       RTE_BOND_LOG(ERR, "bonded port (%d) failed to update MAC address",
+                                       eth_dev->data->port_id);
+                       return -1;
+               }
+       }
+
+       /* Update all slave devices MACs*/
+       if (mac_address_slaves_update(eth_dev) != 0)
+               return -1;
+
+       /* If bonded device is configure in promiscuous mode then re-apply config */
+       if (internals->promiscuous_en)
+               bond_ethdev_promiscuous_enable(eth_dev);
+
+       /* Reconfigure each slave device if starting bonded device */
+       for (i = 0; i < internals->slave_count; i++) {
+               if (slave_configure(eth_dev,
+                               &(rte_eth_devices[internals->slaves[i].port_id])) != 0) {
+                       RTE_BOND_LOG(ERR,
+                                       "bonded port (%d) failed to reconfigure slave device (%d)",
+                                       eth_dev->data->port_id, internals->slaves[i].port_id);
+                       return -1;
+               }
+               /* We will need to poll for link status if any slave doesn't
+                * support interrupts
+                */
+               if (internals->slaves[i].link_status_poll_enabled)
+                       internals->link_status_polling_enabled = 1;
+       }
+       /* start polling if needed */
+       if (internals->link_status_polling_enabled) {
+               rte_eal_alarm_set(
+                       internals->link_status_polling_interval_ms * 1000,
+                       bond_ethdev_slave_link_status_change_monitor,
+                       (void *)&rte_eth_devices[internals->port_id]);
+       }
+
+       if (internals->user_defined_primary_port)
+               bond_ethdev_primary_set(internals, internals->primary_port);
+
+       if (internals->mode == BONDING_MODE_8023AD)
+               bond_mode_8023ad_start(eth_dev);
+
+       if (internals->mode == BONDING_MODE_TLB ||
+                       internals->mode == BONDING_MODE_ALB)
+               bond_tlb_enable(internals);
+
+       return 0;
+}
+
+static void
+bond_ethdev_free_queues(struct rte_eth_dev *dev)
+{
+       uint8_t i;
+
+       if (dev->data->rx_queues != NULL) {
+               for (i = 0; i < dev->data->nb_rx_queues; i++) {
+                       rte_free(dev->data->rx_queues[i]);
+                       dev->data->rx_queues[i] = NULL;
+               }
+               dev->data->nb_rx_queues = 0;
+       }
+
+       if (dev->data->tx_queues != NULL) {
+               for (i = 0; i < dev->data->nb_tx_queues; i++) {
+                       rte_free(dev->data->tx_queues[i]);
+                       dev->data->tx_queues[i] = NULL;
+               }
+               dev->data->nb_tx_queues = 0;
+       }
+}
+
+void
+bond_ethdev_stop(struct rte_eth_dev *eth_dev)
+{
+       struct bond_dev_private *internals = eth_dev->data->dev_private;
+       uint8_t i;
+
+       if (internals->mode == BONDING_MODE_8023AD) {
+               struct port *port;
+               void *pkt = NULL;
+
+               bond_mode_8023ad_stop(eth_dev);
+
+               /* Discard all messages to/from mode 4 state machines */
+               for (i = 0; i < internals->active_slave_count; i++) {
+                       port = &mode_8023ad_ports[internals->active_slaves[i]];
+
+                       RTE_VERIFY(port->rx_ring != NULL);
+                       while (rte_ring_dequeue(port->rx_ring, &pkt) != -ENOENT)
+                               rte_pktmbuf_free(pkt);
+
+                       RTE_VERIFY(port->tx_ring != NULL);
+                       while (rte_ring_dequeue(port->tx_ring, &pkt) != -ENOENT)
+                               rte_pktmbuf_free(pkt);
+               }
+       }
+
+       if (internals->mode == BONDING_MODE_TLB ||
+                       internals->mode == BONDING_MODE_ALB) {
+               bond_tlb_disable(internals);
+               for (i = 0; i < internals->active_slave_count; i++)
+                       tlb_last_obytets[internals->active_slaves[i]] = 0;
+       }
+
+       internals->active_slave_count = 0;
+       internals->link_status_polling_enabled = 0;
+       for (i = 0; i < internals->slave_count; i++)
+               internals->slaves[i].last_link_status = 0;
+
+       eth_dev->data->dev_link.link_status = ETH_LINK_DOWN;
+       eth_dev->data->dev_started = 0;
+}
+
+void
+bond_ethdev_close(struct rte_eth_dev *dev)
+{
+       bond_ethdev_free_queues(dev);
+}
+
+/* forward declaration */
+static int bond_ethdev_configure(struct rte_eth_dev *dev);
+
+static void
+bond_ethdev_info(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info)
+{
+       struct bond_dev_private *internals = dev->data->dev_private;
+
+       dev_info->max_mac_addrs = 1;
+
+       dev_info->max_rx_pktlen = (uint32_t)2048;
+
+       dev_info->max_rx_queues = (uint16_t)128;
+       dev_info->max_tx_queues = (uint16_t)512;
+
+       dev_info->min_rx_bufsize = 0;
+       dev_info->pci_dev = NULL;
+
+       dev_info->rx_offload_capa = internals->rx_offload_capa;
+       dev_info->tx_offload_capa = internals->tx_offload_capa;
+       dev_info->flow_type_rss_offloads = internals->flow_type_rss_offloads;
+
+       dev_info->reta_size = internals->reta_size;
+}
+
+static int
+bond_ethdev_rx_queue_setup(struct rte_eth_dev *dev, uint16_t rx_queue_id,
+               uint16_t nb_rx_desc, unsigned int socket_id __rte_unused,
+               const struct rte_eth_rxconf *rx_conf, struct rte_mempool *mb_pool)
+{
+       struct bond_rx_queue *bd_rx_q = (struct bond_rx_queue *)
+                       rte_zmalloc_socket(NULL, sizeof(struct bond_rx_queue),
+                                       0, dev->data->numa_node);
+       if (bd_rx_q == NULL)
+               return -1;
+
+       bd_rx_q->queue_id = rx_queue_id;
+       bd_rx_q->dev_private = dev->data->dev_private;
+
+       bd_rx_q->nb_rx_desc = nb_rx_desc;
+
+       memcpy(&(bd_rx_q->rx_conf), rx_conf, sizeof(struct rte_eth_rxconf));
+       bd_rx_q->mb_pool = mb_pool;
+
+       dev->data->rx_queues[rx_queue_id] = bd_rx_q;
+
+       return 0;
+}
+
+static int
+bond_ethdev_tx_queue_setup(struct rte_eth_dev *dev, uint16_t tx_queue_id,
+               uint16_t nb_tx_desc, unsigned int socket_id __rte_unused,
+               const struct rte_eth_txconf *tx_conf)
+{
+       struct bond_tx_queue *bd_tx_q  = (struct bond_tx_queue *)
+                       rte_zmalloc_socket(NULL, sizeof(struct bond_tx_queue),
+                                       0, dev->data->numa_node);
+
+       if (bd_tx_q == NULL)
+               return -1;
+
+       bd_tx_q->queue_id = tx_queue_id;
+       bd_tx_q->dev_private = dev->data->dev_private;
+
+       bd_tx_q->nb_tx_desc = nb_tx_desc;
+       memcpy(&(bd_tx_q->tx_conf), tx_conf, sizeof(bd_tx_q->tx_conf));
+
+       dev->data->tx_queues[tx_queue_id] = bd_tx_q;
+
+       return 0;
+}
+
+static void
+bond_ethdev_rx_queue_release(void *queue)
+{
+       if (queue == NULL)
+               return;
+
+       rte_free(queue);
+}
+
+static void
+bond_ethdev_tx_queue_release(void *queue)
+{
+       if (queue == NULL)
+               return;
+
+       rte_free(queue);
+}
+
+static void
+bond_ethdev_slave_link_status_change_monitor(void *cb_arg)
+{
+       struct rte_eth_dev *bonded_ethdev, *slave_ethdev;
+       struct bond_dev_private *internals;
+
+       /* Default value for polling slave found is true as we don't want to
+        * disable the polling thread if we cannot get the lock */
+       int i, polling_slave_found = 1;
+
+       if (cb_arg == NULL)
+               return;
+
+       bonded_ethdev = (struct rte_eth_dev *)cb_arg;
+       internals = (struct bond_dev_private *)bonded_ethdev->data->dev_private;
+
+       if (!bonded_ethdev->data->dev_started ||
+               !internals->link_status_polling_enabled)
+               return;
+
+       /* If device is currently being configured then don't check slaves link
+        * status, wait until next period */
+       if (rte_spinlock_trylock(&internals->lock)) {
+               if (internals->slave_count > 0)
+                       polling_slave_found = 0;
+
+               for (i = 0; i < internals->slave_count; i++) {
+                       if (!internals->slaves[i].link_status_poll_enabled)
+                               continue;
+
+                       slave_ethdev = &rte_eth_devices[internals->slaves[i].port_id];
+                       polling_slave_found = 1;
+
+                       /* Update slave link status */
+                       (*slave_ethdev->dev_ops->link_update)(slave_ethdev,
+                                       internals->slaves[i].link_status_wait_to_complete);
+
+                       /* if link status has changed since last checked then call lsc
+                        * event callback */
+                       if (slave_ethdev->data->dev_link.link_status !=
+                                       internals->slaves[i].last_link_status) {
+                               internals->slaves[i].last_link_status =
+                                               slave_ethdev->data->dev_link.link_status;
+
+                               bond_ethdev_lsc_event_callback(internals->slaves[i].port_id,
+                                               RTE_ETH_EVENT_INTR_LSC,
+                                               &bonded_ethdev->data->port_id);
+                       }
+               }
+               rte_spinlock_unlock(&internals->lock);
+       }
+
+       if (polling_slave_found)
+               /* Set alarm to continue monitoring link status of slave ethdev's */
+               rte_eal_alarm_set(internals->link_status_polling_interval_ms * 1000,
+                               bond_ethdev_slave_link_status_change_monitor, cb_arg);
+}
+
+static int
+bond_ethdev_link_update(struct rte_eth_dev *bonded_eth_dev,
+               int wait_to_complete)
+{
+       struct bond_dev_private *internals = bonded_eth_dev->data->dev_private;
+
+       if (!bonded_eth_dev->data->dev_started ||
+               internals->active_slave_count == 0) {
+               bonded_eth_dev->data->dev_link.link_status = ETH_LINK_DOWN;
+               return 0;
+       } else {
+               struct rte_eth_dev *slave_eth_dev;
+               int i, link_up = 0;
+
+               for (i = 0; i < internals->active_slave_count; i++) {
+                       slave_eth_dev = &rte_eth_devices[internals->active_slaves[i]];
+
+                       (*slave_eth_dev->dev_ops->link_update)(slave_eth_dev,
+                                       wait_to_complete);
+                       if (slave_eth_dev->data->dev_link.link_status == ETH_LINK_UP) {
+                               link_up = 1;
+                               break;
+                       }
+               }
+
+               bonded_eth_dev->data->dev_link.link_status = link_up;
+       }
+
+       return 0;
+}
+
+static void
+bond_ethdev_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats)
+{
+       struct bond_dev_private *internals = dev->data->dev_private;
+       struct rte_eth_stats slave_stats;
+       int i, j;
+
+       for (i = 0; i < internals->slave_count; i++) {
+               rte_eth_stats_get(internals->slaves[i].port_id, &slave_stats);
+
+               stats->ipackets += slave_stats.ipackets;
+               stats->opackets += slave_stats.opackets;
+               stats->ibytes += slave_stats.ibytes;
+               stats->obytes += slave_stats.obytes;
+               stats->imissed += slave_stats.imissed;
+               stats->ierrors += slave_stats.ierrors;
+               stats->oerrors += slave_stats.oerrors;
+               stats->imcasts += slave_stats.imcasts;
+               stats->rx_nombuf += slave_stats.rx_nombuf;
+
+               for (j = 0; j < RTE_ETHDEV_QUEUE_STAT_CNTRS; j++) {
+                       stats->q_ipackets[j] += slave_stats.q_ipackets[j];
+                       stats->q_opackets[j] += slave_stats.q_opackets[j];
+                       stats->q_ibytes[j] += slave_stats.q_ibytes[j];
+                       stats->q_obytes[j] += slave_stats.q_obytes[j];
+                       stats->q_errors[j] += slave_stats.q_errors[j];
+               }
+
+       }
+}
+
+static void
+bond_ethdev_stats_reset(struct rte_eth_dev *dev)
+{
+       struct bond_dev_private *internals = dev->data->dev_private;
+       int i;
+
+       for (i = 0; i < internals->slave_count; i++)
+               rte_eth_stats_reset(internals->slaves[i].port_id);
+}
+
+static void
+bond_ethdev_promiscuous_enable(struct rte_eth_dev *eth_dev)
+{
+       struct bond_dev_private *internals = eth_dev->data->dev_private;
+       int i;
+
+       internals->promiscuous_en = 1;
+
+       switch (internals->mode) {
+       /* Promiscuous mode is propagated to all slaves */
+       case BONDING_MODE_ROUND_ROBIN:
+       case BONDING_MODE_BALANCE:
+       case BONDING_MODE_BROADCAST:
+               for (i = 0; i < internals->slave_count; i++)
+                       rte_eth_promiscuous_enable(internals->slaves[i].port_id);
+               break;
+       /* In mode4 promiscus mode is managed when slave is added/removed */
+       case BONDING_MODE_8023AD:
+               break;
+       /* Promiscuous mode is propagated only to primary slave */
+       case BONDING_MODE_ACTIVE_BACKUP:
+       case BONDING_MODE_TLB:
+       case BONDING_MODE_ALB:
+       default:
+               rte_eth_promiscuous_enable(internals->current_primary_port);
+       }
+}
+
+static void
+bond_ethdev_promiscuous_disable(struct rte_eth_dev *dev)
+{
+       struct bond_dev_private *internals = dev->data->dev_private;
+       int i;
+
+       internals->promiscuous_en = 0;
+
+       switch (internals->mode) {
+       /* Promiscuous mode is propagated to all slaves */
+       case BONDING_MODE_ROUND_ROBIN:
+       case BONDING_MODE_BALANCE:
+       case BONDING_MODE_BROADCAST:
+               for (i = 0; i < internals->slave_count; i++)
+                       rte_eth_promiscuous_disable(internals->slaves[i].port_id);
+               break;
+       /* In mode4 promiscus mode is set managed when slave is added/removed */
+       case BONDING_MODE_8023AD:
+               break;
+       /* Promiscuous mode is propagated only to primary slave */
+       case BONDING_MODE_ACTIVE_BACKUP:
+       case BONDING_MODE_TLB:
+       case BONDING_MODE_ALB:
+       default:
+               rte_eth_promiscuous_disable(internals->current_primary_port);
+       }
+}
+
+static void
+bond_ethdev_delayed_lsc_propagation(void *arg)
+{
+       if (arg == NULL)
+               return;
+
+       _rte_eth_dev_callback_process((struct rte_eth_dev *)arg,
+                       RTE_ETH_EVENT_INTR_LSC);
+}
+
+void
+bond_ethdev_lsc_event_callback(uint8_t port_id, enum rte_eth_event_type type,
+               void *param)
+{
+       struct rte_eth_dev *bonded_eth_dev, *slave_eth_dev;
+       struct bond_dev_private *internals;
+       struct rte_eth_link link;
+
+       int i, valid_slave = 0;
+       uint8_t active_pos;
+       uint8_t lsc_flag = 0;
+
+       if (type != RTE_ETH_EVENT_INTR_LSC || param == NULL)
+               return;
+
+       bonded_eth_dev = &rte_eth_devices[*(uint8_t *)param];
+       slave_eth_dev = &rte_eth_devices[port_id];
+
+       if (check_for_bonded_ethdev(bonded_eth_dev))
+               return;
+
+       internals = bonded_eth_dev->data->dev_private;
+
+       /* If the device isn't started don't handle interrupts */
+       if (!bonded_eth_dev->data->dev_started)
+               return;
+
+       /* verify that port_id is a valid slave of bonded port */
+       for (i = 0; i < internals->slave_count; i++) {
+               if (internals->slaves[i].port_id == port_id) {
+                       valid_slave = 1;
+                       break;
+               }
+       }
+
+       if (!valid_slave)
+               return;
+
+       /* Search for port in active port list */
+       active_pos = find_slave_by_id(internals->active_slaves,
+                       internals->active_slave_count, port_id);
+
+       rte_eth_link_get_nowait(port_id, &link);
+       if (link.link_status) {
+               if (active_pos < internals->active_slave_count)
+                       return;
+
+               /* if no active slave ports then set this port to be primary port */
+               if (internals->active_slave_count < 1) {
+                       /* If first active slave, then change link status */
+                       bonded_eth_dev->data->dev_link.link_status = ETH_LINK_UP;
+                       internals->current_primary_port = port_id;
+                       lsc_flag = 1;
+
+                       mac_address_slaves_update(bonded_eth_dev);
+
+                       /* Inherit eth dev link properties from first active slave */
+                       link_properties_set(bonded_eth_dev,
+                                       &(slave_eth_dev->data->dev_link));
+               }
+
+               activate_slave(bonded_eth_dev, port_id);
+
+               /* If user has defined the primary port then default to using it */
+               if (internals->user_defined_primary_port &&
+                               internals->primary_port == port_id)
+                       bond_ethdev_primary_set(internals, port_id);
+       } else {
+               if (active_pos == internals->active_slave_count)
+                       return;
+
+               /* Remove from active slave list */
+               deactivate_slave(bonded_eth_dev, port_id);
+
+               /* No active slaves, change link status to down and reset other
+                * link properties */
+               if (internals->active_slave_count < 1) {
+                       lsc_flag = 1;
+                       bonded_eth_dev->data->dev_link.link_status = ETH_LINK_DOWN;
+
+                       link_properties_reset(bonded_eth_dev);
+               }
+
+               /* Update primary id, take first active slave from list or if none
+                * available set to -1 */
+               if (port_id == internals->current_primary_port) {
+                       if (internals->active_slave_count > 0)
+                               bond_ethdev_primary_set(internals,
+                                               internals->active_slaves[0]);
+                       else
+                               internals->current_primary_port = internals->primary_port;
+               }
+       }
+
+       if (lsc_flag) {
+               /* Cancel any possible outstanding interrupts if delays are enabled */
+               if (internals->link_up_delay_ms > 0 ||
+                       internals->link_down_delay_ms > 0)
+                       rte_eal_alarm_cancel(bond_ethdev_delayed_lsc_propagation,
+                                       bonded_eth_dev);
+
+               if (bonded_eth_dev->data->dev_link.link_status) {
+                       if (internals->link_up_delay_ms > 0)
+                               rte_eal_alarm_set(internals->link_up_delay_ms * 1000,
+                                               bond_ethdev_delayed_lsc_propagation,
+                                               (void *)bonded_eth_dev);
+                       else
+                               _rte_eth_dev_callback_process(bonded_eth_dev,
+                                               RTE_ETH_EVENT_INTR_LSC);
+
+               } else {
+                       if (internals->link_down_delay_ms > 0)
+                               rte_eal_alarm_set(internals->link_down_delay_ms * 1000,
+                                               bond_ethdev_delayed_lsc_propagation,
+                                               (void *)bonded_eth_dev);
+                       else
+                               _rte_eth_dev_callback_process(bonded_eth_dev,
+                                               RTE_ETH_EVENT_INTR_LSC);
+               }
+       }
+}
+
+static int
+bond_ethdev_rss_reta_update(struct rte_eth_dev *dev,
+               struct rte_eth_rss_reta_entry64 *reta_conf, uint16_t reta_size)
+{
+       unsigned i, j;
+       int result = 0;
+       int slave_reta_size;
+       unsigned reta_count;
+       struct bond_dev_private *internals = dev->data->dev_private;
+
+       if (reta_size != internals->reta_size)
+               return -EINVAL;
+
+        /* Copy RETA table */
+       reta_count = reta_size / RTE_RETA_GROUP_SIZE;
+
+       for (i = 0; i < reta_count; i++) {
+               internals->reta_conf[i].mask = reta_conf[i].mask;
+               for (j = 0; j < RTE_RETA_GROUP_SIZE; j++)
+                       if ((reta_conf[i].mask >> j) & 0x01)
+                               internals->reta_conf[i].reta[j] = reta_conf[i].reta[j];
+       }
+
+       /* Fill rest of array */
+       for (; i < RTE_DIM(internals->reta_conf); i += reta_count)
+               memcpy(&internals->reta_conf[i], &internals->reta_conf[0],
+                               sizeof(internals->reta_conf[0]) * reta_count);
+
+       /* Propagate RETA over slaves */
+       for (i = 0; i < internals->slave_count; i++) {
+               slave_reta_size = internals->slaves[i].reta_size;
+               result = rte_eth_dev_rss_reta_update(internals->slaves[i].port_id,
+                               &internals->reta_conf[0], slave_reta_size);
+               if (result < 0)
+                       return result;
+       }
+
+       return 0;
+}
+
+static int
+bond_ethdev_rss_reta_query(struct rte_eth_dev *dev,
+               struct rte_eth_rss_reta_entry64 *reta_conf, uint16_t reta_size)
+{
+       int i, j;
+       struct bond_dev_private *internals = dev->data->dev_private;
+
+       if (reta_size != internals->reta_size)
+               return -EINVAL;
+
+        /* Copy RETA table */
+       for (i = 0; i < reta_size / RTE_RETA_GROUP_SIZE; i++)
+               for (j = 0; j < RTE_RETA_GROUP_SIZE; j++)
+                       if ((reta_conf[i].mask >> j) & 0x01)
+                               reta_conf[i].reta[j] = internals->reta_conf[i].reta[j];
+
+       return 0;
+}
+
+static int
+bond_ethdev_rss_hash_update(struct rte_eth_dev *dev,
+               struct rte_eth_rss_conf *rss_conf)
+{
+       int i, result = 0;
+       struct bond_dev_private *internals = dev->data->dev_private;
+       struct rte_eth_rss_conf bond_rss_conf;
+
+       memcpy(&bond_rss_conf, rss_conf, sizeof(struct rte_eth_rss_conf));
+
+       bond_rss_conf.rss_hf &= internals->flow_type_rss_offloads;
+
+       if (bond_rss_conf.rss_hf != 0)
+               dev->data->dev_conf.rx_adv_conf.rss_conf.rss_hf = bond_rss_conf.rss_hf;
+
+       if (bond_rss_conf.rss_key && bond_rss_conf.rss_key_len <
+                       sizeof(internals->rss_key)) {
+               if (bond_rss_conf.rss_key_len == 0)
+                       bond_rss_conf.rss_key_len = 40;
+               internals->rss_key_len = bond_rss_conf.rss_key_len;
+               memcpy(internals->rss_key, bond_rss_conf.rss_key,
+                               internals->rss_key_len);
+       }
+
+       for (i = 0; i < internals->slave_count; i++) {
+               result = rte_eth_dev_rss_hash_update(internals->slaves[i].port_id,
+                               &bond_rss_conf);
+               if (result < 0)
+                       return result;
+       }
+
+       return 0;
+}
+
+static int
+bond_ethdev_rss_hash_conf_get(struct rte_eth_dev *dev,
+               struct rte_eth_rss_conf *rss_conf)
+{
+       struct bond_dev_private *internals = dev->data->dev_private;
+
+       rss_conf->rss_hf = dev->data->dev_conf.rx_adv_conf.rss_conf.rss_hf;
+       rss_conf->rss_key_len = internals->rss_key_len;
+       if (rss_conf->rss_key)
+               memcpy(rss_conf->rss_key, internals->rss_key, internals->rss_key_len);
+
+       return 0;
+}
+
+const struct eth_dev_ops default_dev_ops = {
+       .dev_start            = bond_ethdev_start,
+       .dev_stop             = bond_ethdev_stop,
+       .dev_close            = bond_ethdev_close,
+       .dev_configure        = bond_ethdev_configure,
+       .dev_infos_get        = bond_ethdev_info,
+       .rx_queue_setup       = bond_ethdev_rx_queue_setup,
+       .tx_queue_setup       = bond_ethdev_tx_queue_setup,
+       .rx_queue_release     = bond_ethdev_rx_queue_release,
+       .tx_queue_release     = bond_ethdev_tx_queue_release,
+       .link_update          = bond_ethdev_link_update,
+       .stats_get            = bond_ethdev_stats_get,
+       .stats_reset          = bond_ethdev_stats_reset,
+       .promiscuous_enable   = bond_ethdev_promiscuous_enable,
+       .promiscuous_disable  = bond_ethdev_promiscuous_disable,
+       .reta_update          = bond_ethdev_rss_reta_update,
+       .reta_query           = bond_ethdev_rss_reta_query,
+       .rss_hash_update      = bond_ethdev_rss_hash_update,
+       .rss_hash_conf_get    = bond_ethdev_rss_hash_conf_get
+};
+
+static int
+bond_init(const char *name, const char *params)
+{
+       struct bond_dev_private *internals;
+       struct rte_kvargs *kvlist;
+       uint8_t bonding_mode, socket_id;
+       int  arg_count, port_id;
+
+       RTE_LOG(INFO, EAL, "Initializing pmd_bond for %s\n", name);
+
+       kvlist = rte_kvargs_parse(params, pmd_bond_init_valid_arguments);
+       if (kvlist == NULL)
+               return -1;
+
+       /* Parse link bonding mode */
+       if (rte_kvargs_count(kvlist, PMD_BOND_MODE_KVARG) == 1) {
+               if (rte_kvargs_process(kvlist, PMD_BOND_MODE_KVARG,
+                               &bond_ethdev_parse_slave_mode_kvarg,
+                               &bonding_mode) != 0) {
+                       RTE_LOG(ERR, EAL, "Invalid mode for bonded device %s\n",
+                                       name);
+                       goto parse_error;
+               }
+       } else {
+               RTE_LOG(ERR, EAL, "Mode must be specified only once for bonded "
+                               "device %s\n", name);
+               goto parse_error;
+       }
+
+       /* Parse socket id to create bonding device on */
+       arg_count = rte_kvargs_count(kvlist, PMD_BOND_SOCKET_ID_KVARG);
+       if (arg_count == 1) {
+               if (rte_kvargs_process(kvlist, PMD_BOND_SOCKET_ID_KVARG,
+                               &bond_ethdev_parse_socket_id_kvarg, &socket_id)
+                               != 0) {
+                       RTE_LOG(ERR, EAL, "Invalid socket Id specified for "
+                                       "bonded device %s\n", name);
+                       goto parse_error;
+               }
+       } else if (arg_count > 1) {
+               RTE_LOG(ERR, EAL, "Socket Id can be specified only once for "
+                               "bonded device %s\n", name);
+               goto parse_error;
+       } else {
+               socket_id = rte_socket_id();
+       }
+
+       /* Create link bonding eth device */
+       port_id = rte_eth_bond_create(name, bonding_mode, socket_id);
+       if (port_id < 0) {
+               RTE_LOG(ERR, EAL, "Failed to create socket %s in mode %u on "
+                               "socket %u.\n", name, bonding_mode, socket_id);
+               goto parse_error;
+       }
+       internals = rte_eth_devices[port_id].data->dev_private;
+       internals->kvlist = kvlist;
+
+       RTE_LOG(INFO, EAL, "Create bonded device %s on port %d in mode %u on "
+                       "socket %u.\n", name, port_id, bonding_mode, socket_id);
+       return 0;
+
+parse_error:
+       rte_kvargs_free(kvlist);
+
+       return -1;
+}
+
+static int
+bond_uninit(const char *name)
+{
+       int  ret;
+
+       if (name == NULL)
+               return -EINVAL;
+
+       RTE_LOG(INFO, EAL, "Uninitializing pmd_bond for %s\n", name);
+
+       /* free link bonding eth device */
+       ret = rte_eth_bond_free(name);
+       if (ret < 0)
+               RTE_LOG(ERR, EAL, "Failed to free %s\n", name);
+
+       return ret;
+}
+
+/* this part will resolve the slave portids after all the other pdev and vdev
+ * have been allocated */
+static int
+bond_ethdev_configure(struct rte_eth_dev *dev)
+{
+       char *name = dev->data->name;
+       struct bond_dev_private *internals = dev->data->dev_private;
+       struct rte_kvargs *kvlist = internals->kvlist;
+       int arg_count;
+       uint8_t port_id = dev - rte_eth_devices;
+
+       static const uint8_t default_rss_key[40] = {
+               0x6D, 0x5A, 0x56, 0xDA, 0x25, 0x5B, 0x0E, 0xC2, 0x41, 0x67, 0x25, 0x3D,
+               0x43, 0xA3, 0x8F, 0xB0, 0xD0, 0xCA, 0x2B, 0xCB, 0xAE, 0x7B, 0x30, 0xB4,
+               0x77, 0xCB, 0x2D, 0xA3, 0x80, 0x30, 0xF2, 0x0C, 0x6A, 0x42, 0xB7, 0x3B,
+               0xBE, 0xAC, 0x01, 0xFA
+       };
+
+       unsigned i, j;
+
+       /* If RSS is enabled, fill table and key with default values */
+       if (dev->data->dev_conf.rxmode.mq_mode & ETH_MQ_RX_RSS) {
+               dev->data->dev_conf.rx_adv_conf.rss_conf.rss_key = internals->rss_key;
+               dev->data->dev_conf.rx_adv_conf.rss_conf.rss_key_len = 0;
+               memcpy(internals->rss_key, default_rss_key, 40);
+
+               for (i = 0; i < RTE_DIM(internals->reta_conf); i++) {
+                       internals->reta_conf[i].mask = ~0LL;
+                       for (j = 0; j < RTE_RETA_GROUP_SIZE; j++)
+                               internals->reta_conf[i].reta[j] = j % dev->data->nb_rx_queues;
+               }
+       }
+
+       /*
+        * if no kvlist, it means that this bonded device has been created
+        * through the bonding api.
+        */
+       if (!kvlist)
+               return 0;
+
+       /* Parse MAC address for bonded device */
+       arg_count = rte_kvargs_count(kvlist, PMD_BOND_MAC_ADDR_KVARG);
+       if (arg_count == 1) {
+               struct ether_addr bond_mac;
+
+               if (rte_kvargs_process(kvlist, PMD_BOND_MAC_ADDR_KVARG,
+                               &bond_ethdev_parse_bond_mac_addr_kvarg, &bond_mac) < 0) {
+                       RTE_LOG(INFO, EAL, "Invalid mac address for bonded device %s\n",
+                                       name);
+                       return -1;
+               }
+
+               /* Set MAC address */
+               if (rte_eth_bond_mac_address_set(port_id, &bond_mac) != 0) {
+                       RTE_LOG(ERR, EAL,
+                                       "Failed to set mac address on bonded device %s\n",
+                                       name);
+                       return -1;
+               }
+       } else if (arg_count > 1) {
+               RTE_LOG(ERR, EAL,
+                               "MAC address can be specified only once for bonded device %s\n",
+                               name);
+               return -1;
+       }
+
+       /* Parse/set balance mode transmit policy */
+       arg_count = rte_kvargs_count(kvlist, PMD_BOND_XMIT_POLICY_KVARG);
+       if (arg_count == 1) {
+               uint8_t xmit_policy;
+
+               if (rte_kvargs_process(kvlist, PMD_BOND_XMIT_POLICY_KVARG,
+                               &bond_ethdev_parse_balance_xmit_policy_kvarg, &xmit_policy) !=
+                                               0) {
+                       RTE_LOG(INFO, EAL,
+                                       "Invalid xmit policy specified for bonded device %s\n",
+                                       name);
+                       return -1;
+               }
+
+               /* Set balance mode transmit policy*/
+               if (rte_eth_bond_xmit_policy_set(port_id, xmit_policy) != 0) {
+                       RTE_LOG(ERR, EAL,
+                                       "Failed to set balance xmit policy on bonded device %s\n",
+                                       name);
+                       return -1;
+               }
+       } else if (arg_count > 1) {
+               RTE_LOG(ERR, EAL,
+                               "Transmit policy can be specified only once for bonded device"
+                               " %s\n", name);
+               return -1;
+       }
+
+       /* Parse/add slave ports to bonded device */
+       if (rte_kvargs_count(kvlist, PMD_BOND_SLAVE_PORT_KVARG) > 0) {
+               struct bond_ethdev_slave_ports slave_ports;
+               unsigned i;
+
+               memset(&slave_ports, 0, sizeof(slave_ports));
+
+               if (rte_kvargs_process(kvlist, PMD_BOND_SLAVE_PORT_KVARG,
+                               &bond_ethdev_parse_slave_port_kvarg, &slave_ports) != 0) {
+                       RTE_LOG(ERR, EAL,
+                                       "Failed to parse slave ports for bonded device %s\n",
+                                       name);
+                       return -1;
+               }
+
+               for (i = 0; i < slave_ports.slave_count; i++) {
+                       if (rte_eth_bond_slave_add(port_id, slave_ports.slaves[i]) != 0) {
+                               RTE_LOG(ERR, EAL,
+                                               "Failed to add port %d as slave to bonded device %s\n",
+                                               slave_ports.slaves[i], name);
+                       }
+               }
+
+       } else {
+               RTE_LOG(INFO, EAL, "No slaves specified for bonded device %s\n", name);
+               return -1;
+       }
+
+       /* Parse/set primary slave port id*/
+       arg_count = rte_kvargs_count(kvlist, PMD_BOND_PRIMARY_SLAVE_KVARG);
+       if (arg_count == 1) {
+               uint8_t primary_slave_port_id;
+
+               if (rte_kvargs_process(kvlist,
+                               PMD_BOND_PRIMARY_SLAVE_KVARG,
+                               &bond_ethdev_parse_primary_slave_port_id_kvarg,
+                               &primary_slave_port_id) < 0) {
+                       RTE_LOG(INFO, EAL,
+                                       "Invalid primary slave port id specified for bonded device"
+                                       " %s\n", name);
+                       return -1;
+               }
+
+               /* Set balance mode transmit policy*/
+               if (rte_eth_bond_primary_set(port_id, (uint8_t)primary_slave_port_id)
+                               != 0) {
+                       RTE_LOG(ERR, EAL,
+                                       "Failed to set primary slave port %d on bonded device %s\n",
+                                       primary_slave_port_id, name);
+                       return -1;
+               }
+       } else if (arg_count > 1) {
+               RTE_LOG(INFO, EAL,
+                               "Primary slave can be specified only once for bonded device"
+                               " %s\n", name);
+               return -1;
+       }
+
+       /* Parse link status monitor polling interval */
+       arg_count = rte_kvargs_count(kvlist, PMD_BOND_LSC_POLL_PERIOD_KVARG);
+       if (arg_count == 1) {
+               uint32_t lsc_poll_interval_ms;
+
+               if (rte_kvargs_process(kvlist,
+                               PMD_BOND_LSC_POLL_PERIOD_KVARG,
+                               &bond_ethdev_parse_time_ms_kvarg,
+                               &lsc_poll_interval_ms) < 0) {
+                       RTE_LOG(INFO, EAL,
+                                       "Invalid lsc polling interval value specified for bonded"
+                                       " device %s\n", name);
+                       return -1;
+               }
+
+               if (rte_eth_bond_link_monitoring_set(port_id, lsc_poll_interval_ms)
+                               != 0) {
+                       RTE_LOG(ERR, EAL,
+                                       "Failed to set lsc monitor polling interval (%u ms) on"
+                                       " bonded device %s\n", lsc_poll_interval_ms, name);
+                       return -1;
+               }
+       } else if (arg_count > 1) {
+               RTE_LOG(INFO, EAL,
+                               "LSC polling interval can be specified only once for bonded"
+                               " device %s\n", name);
+               return -1;
+       }
+
+       /* Parse link up interrupt propagation delay */
+       arg_count = rte_kvargs_count(kvlist, PMD_BOND_LINK_UP_PROP_DELAY_KVARG);
+       if (arg_count == 1) {
+               uint32_t link_up_delay_ms;
+
+               if (rte_kvargs_process(kvlist,
+                               PMD_BOND_LINK_UP_PROP_DELAY_KVARG,
+                               &bond_ethdev_parse_time_ms_kvarg,
+                               &link_up_delay_ms) < 0) {
+                       RTE_LOG(INFO, EAL,
+                                       "Invalid link up propagation delay value specified for"
+                                       " bonded device %s\n", name);
+                       return -1;
+               }
+
+               /* Set balance mode transmit policy*/
+               if (rte_eth_bond_link_up_prop_delay_set(port_id, link_up_delay_ms)
+                               != 0) {
+                       RTE_LOG(ERR, EAL,
+                                       "Failed to set link up propagation delay (%u ms) on bonded"
+                                       " device %s\n", link_up_delay_ms, name);
+                       return -1;
+               }
+       } else if (arg_count > 1) {
+               RTE_LOG(INFO, EAL,
+                               "Link up propagation delay can be specified only once for"
+                               " bonded device %s\n", name);
+               return -1;
+       }
+
+       /* Parse link down interrupt propagation delay */
+       arg_count = rte_kvargs_count(kvlist, PMD_BOND_LINK_DOWN_PROP_DELAY_KVARG);
+       if (arg_count == 1) {
+               uint32_t link_down_delay_ms;
+
+               if (rte_kvargs_process(kvlist,
+                               PMD_BOND_LINK_DOWN_PROP_DELAY_KVARG,
+                               &bond_ethdev_parse_time_ms_kvarg,
+                               &link_down_delay_ms) < 0) {
+                       RTE_LOG(INFO, EAL,
+                                       "Invalid link down propagation delay value specified for"
+                                       " bonded device %s\n", name);
+                       return -1;
+               }
+
+               /* Set balance mode transmit policy*/
+               if (rte_eth_bond_link_down_prop_delay_set(port_id, link_down_delay_ms)
+                               != 0) {
+                       RTE_LOG(ERR, EAL,
+                                       "Failed to set link down propagation delay (%u ms) on"
+                                       " bonded device %s\n", link_down_delay_ms, name);
+                       return -1;
+               }
+       } else if (arg_count > 1) {
+               RTE_LOG(INFO, EAL,
+                               "Link down propagation delay can be specified only once for"
+                               " bonded device %s\n", name);
+               return -1;
+       }
+
+       return 0;
+}
+
+static struct rte_driver bond_drv = {
+       .name = "eth_bond",
+       .type = PMD_VDEV,
+       .init = bond_init,
+       .uninit = bond_uninit,
+};
+
+PMD_REGISTER_DRIVER(bond_drv);