6d13ea8e8e
Add 'rte_' prefix to structures: - rename struct ether_addr as struct rte_ether_addr. - rename struct ether_hdr as struct rte_ether_hdr. - rename struct vlan_hdr as struct rte_vlan_hdr. - rename struct vxlan_hdr as struct rte_vxlan_hdr. - rename struct vxlan_gpe_hdr as struct rte_vxlan_gpe_hdr. Do not update the command line library to avoid adding a dependency to librte_net. Signed-off-by: Olivier Matz <olivier.matz@6wind.com> Reviewed-by: Stephen Hemminger <stephen@networkplumber.org> Reviewed-by: Maxime Coquelin <maxime.coquelin@redhat.com> Reviewed-by: Ferruh Yigit <ferruh.yigit@intel.com>
352 lines
10 KiB
C
352 lines
10 KiB
C
/* SPDX-License-Identifier: BSD-3-Clause
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* Copyright(c) 2010-2015 Intel Corporation
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*/
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#ifndef _RTE_ETH_BOND_H_
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#define _RTE_ETH_BOND_H_
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/**
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* @file rte_eth_bond.h
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*
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* RTE Link Bonding Ethernet Device
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* Link Bonding for 1GbE and 10GbE ports to allow the aggregation of multiple
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* (slave) NICs into a single logical interface. The bonded device processes
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* these interfaces based on the mode of operation specified and supported.
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* This implementation supports 4 modes of operation round robin, active backup
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* balance and broadcast. Providing redundant links, fault tolerance and/or
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* load balancing of network ports
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*/
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include <rte_ether.h>
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/* Supported modes of operation of link bonding library */
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#define BONDING_MODE_ROUND_ROBIN (0)
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/**< Round Robin (Mode 0).
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* In this mode all transmitted packets will be balanced equally across all
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* active slaves of the bonded in a round robin fashion. */
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#define BONDING_MODE_ACTIVE_BACKUP (1)
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/**< Active Backup (Mode 1).
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* In this mode all packets transmitted will be transmitted on the primary
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* slave until such point as the primary slave is no longer available and then
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* transmitted packets will be sent on the next available slaves. The primary
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* slave can be defined by the user but defaults to the first active slave
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* available if not specified. */
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#define BONDING_MODE_BALANCE (2)
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/**< Balance (Mode 2).
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* In this mode all packets transmitted will be balanced across the available
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* slaves using one of three available transmit policies - l2, l2+3 or l3+4.
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* See BALANCE_XMIT_POLICY macros definitions for further details on transmit
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* policies. */
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#define BONDING_MODE_BROADCAST (3)
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/**< Broadcast (Mode 3).
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* In this mode all transmitted packets will be transmitted on all available
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* active slaves of the bonded. */
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#define BONDING_MODE_8023AD (4)
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/**< 802.3AD (Mode 4).
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*
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* This mode provides auto negotiation/configuration
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* of peers and well as link status changes monitoring using out of band
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* LACP (link aggregation control protocol) messages. For further details of
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* LACP specification see the IEEE 802.3ad/802.1AX standards. It is also
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* described here
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* https://www.kernel.org/doc/Documentation/networking/bonding.txt.
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*
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* Important Usage Notes:
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* - for LACP mode to work the rx/tx burst functions must be invoked
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* at least once every 100ms, otherwise the out-of-band LACP messages will not
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* be handled with the expected latency and this may cause the link status to be
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* incorrectly marked as down or failure to correctly negotiate with peers.
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* - For optimal performance during initial handshaking the array of mbufs provided
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* to rx_burst should be at least 2 times the slave count size.
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*
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*/
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#define BONDING_MODE_TLB (5)
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/**< Adaptive TLB (Mode 5)
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* This mode provides an adaptive transmit load balancing. It dynamically
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* changes the transmitting slave, according to the computed load. Statistics
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* are collected in 100ms intervals and scheduled every 10ms */
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#define BONDING_MODE_ALB (6)
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/**< Adaptive Load Balancing (Mode 6)
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* This mode includes adaptive TLB and receive load balancing (RLB). In RLB the
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* bonding driver intercepts ARP replies send by local system and overwrites its
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* source MAC address, so that different peers send data to the server on
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* different slave interfaces. When local system sends ARP request, it saves IP
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* information from it. When ARP reply from that peer is received, its MAC is
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* stored, one of slave MACs assigned and ARP reply send to that peer.
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*/
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/* Balance Mode Transmit Policies */
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#define BALANCE_XMIT_POLICY_LAYER2 (0)
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/**< Layer 2 (Ethernet MAC) */
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#define BALANCE_XMIT_POLICY_LAYER23 (1)
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/**< Layer 2+3 (Ethernet MAC + IP Addresses) transmit load balancing */
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#define BALANCE_XMIT_POLICY_LAYER34 (2)
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/**< Layer 3+4 (IP Addresses + UDP Ports) transmit load balancing */
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/**
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* Create a bonded rte_eth_dev device
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*
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* @param name Name of new link bonding device.
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* @param mode Mode to initialize bonding device in.
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* @param socket_id Socket Id on which to allocate eth_dev resources.
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*
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* @return
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* Port Id of created rte_eth_dev on success, negative value otherwise
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*/
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int
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rte_eth_bond_create(const char *name, uint8_t mode, uint8_t socket_id);
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/**
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* Free a bonded rte_eth_dev device
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*
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* @param name Name of the link bonding device.
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*
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* @return
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* 0 on success, negative value otherwise
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*/
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int
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rte_eth_bond_free(const char *name);
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/**
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* Add a rte_eth_dev device as a slave to the bonded device
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*
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* @param bonded_port_id Port ID of bonded device.
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* @param slave_port_id Port ID of slave device.
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*
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* @return
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* 0 on success, negative value otherwise
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*/
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int
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rte_eth_bond_slave_add(uint16_t bonded_port_id, uint16_t slave_port_id);
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/**
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* Remove a slave rte_eth_dev device from the bonded device
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*
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* @param bonded_port_id Port ID of bonded device.
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* @param slave_port_id Port ID of slave device.
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*
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* @return
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* 0 on success, negative value otherwise
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*/
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int
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rte_eth_bond_slave_remove(uint16_t bonded_port_id, uint16_t slave_port_id);
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/**
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* Set link bonding mode of bonded device
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*
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* @param bonded_port_id Port ID of bonded device.
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* @param mode Bonding mode to set
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*
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* @return
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* 0 on success, negative value otherwise
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*/
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int
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rte_eth_bond_mode_set(uint16_t bonded_port_id, uint8_t mode);
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/**
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* Get link bonding mode of bonded device
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*
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* @param bonded_port_id Port ID of bonded device.
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*
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* @return
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* link bonding mode on success, negative value otherwise
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*/
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int
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rte_eth_bond_mode_get(uint16_t bonded_port_id);
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/**
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* Set slave rte_eth_dev as primary slave of bonded device
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*
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* @param bonded_port_id Port ID of bonded device.
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* @param slave_port_id Port ID of slave device.
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*
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* @return
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* 0 on success, negative value otherwise
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*/
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int
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rte_eth_bond_primary_set(uint16_t bonded_port_id, uint16_t slave_port_id);
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/**
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* Get primary slave of bonded device
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*
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* @param bonded_port_id Port ID of bonded device.
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*
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* @return
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* Port Id of primary slave on success, -1 on failure
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*/
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int
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rte_eth_bond_primary_get(uint16_t bonded_port_id);
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/**
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* Populate an array with list of the slaves port id's of the bonded device
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*
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* @param bonded_port_id Port ID of bonded eth_dev to interrogate
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* @param slaves Array to be populated with the current active slaves
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* @param len Length of slaves array
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*
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* @return
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* Number of slaves associated with bonded device on success,
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* negative value otherwise
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*/
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int
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rte_eth_bond_slaves_get(uint16_t bonded_port_id, uint16_t slaves[],
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uint16_t len);
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/**
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* Populate an array with list of the active slaves port id's of the bonded
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* device.
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*
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* @param bonded_port_id Port ID of bonded eth_dev to interrogate
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* @param slaves Array to be populated with the current active slaves
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* @param len Length of slaves array
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*
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* @return
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* Number of active slaves associated with bonded device on success,
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* negative value otherwise
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*/
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int
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rte_eth_bond_active_slaves_get(uint16_t bonded_port_id, uint16_t slaves[],
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uint16_t len);
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/**
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* Set explicit MAC address to use on bonded device and it's slaves.
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*
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* @param bonded_port_id Port ID of bonded device.
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* @param mac_addr MAC Address to use on bonded device overriding
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* slaves MAC addresses
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*
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* @return
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* 0 on success, negative value otherwise
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*/
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int
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rte_eth_bond_mac_address_set(uint16_t bonded_port_id,
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struct rte_ether_addr *mac_addr);
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/**
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* Reset bonded device to use MAC from primary slave on bonded device and it's
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* slaves.
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*
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* @param bonded_port_id Port ID of bonded device.
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*
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* @return
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* 0 on success, negative value otherwise
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*/
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int
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rte_eth_bond_mac_address_reset(uint16_t bonded_port_id);
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/**
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* Set the transmit policy for bonded device to use when it is operating in
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* balance mode, this parameter is otherwise ignored in other modes of
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* operation.
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*
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* @param bonded_port_id Port ID of bonded device.
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* @param policy Balance mode transmission policy.
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*
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* @return
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* 0 on success, negative value otherwise.
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*/
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int
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rte_eth_bond_xmit_policy_set(uint16_t bonded_port_id, uint8_t policy);
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/**
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* Get the transmit policy set on bonded device for balance mode operation
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*
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* @param bonded_port_id Port ID of bonded device.
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*
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* @return
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* Balance transmit policy on success, negative value otherwise.
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*/
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int
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rte_eth_bond_xmit_policy_get(uint16_t bonded_port_id);
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/**
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* Set the link monitoring frequency (in ms) for monitoring the link status of
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* slave devices
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*
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* @param bonded_port_id Port ID of bonded device.
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* @param internal_ms Monitoring interval in milliseconds
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*
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* @return
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* 0 on success, negative value otherwise.
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*/
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int
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rte_eth_bond_link_monitoring_set(uint16_t bonded_port_id, uint32_t internal_ms);
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/**
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* Get the current link monitoring frequency (in ms) for monitoring of the link
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* status of slave devices
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*
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* @param bonded_port_id Port ID of bonded device.
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*
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* @return
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* Monitoring interval on success, negative value otherwise.
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*/
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int
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rte_eth_bond_link_monitoring_get(uint16_t bonded_port_id);
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/**
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* Set the period in milliseconds for delaying the disabling of a bonded link
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* when the link down status has been detected
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*
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* @param bonded_port_id Port ID of bonded device.
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* @param delay_ms Delay period in milliseconds.
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*
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* @return
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* 0 on success, negative value otherwise.
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*/
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int
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rte_eth_bond_link_down_prop_delay_set(uint16_t bonded_port_id,
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uint32_t delay_ms);
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/**
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* Get the period in milliseconds set for delaying the disabling of a bonded
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* link when the link down status has been detected
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*
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* @param bonded_port_id Port ID of bonded device.
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*
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* @return
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* Delay period on success, negative value otherwise.
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*/
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int
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rte_eth_bond_link_down_prop_delay_get(uint16_t bonded_port_id);
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/**
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* Set the period in milliseconds for delaying the enabling of a bonded link
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* when the link up status has been detected
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*
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* @param bonded_port_id Port ID of bonded device.
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* @param delay_ms Delay period in milliseconds.
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*
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* @return
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* 0 on success, negative value otherwise.
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*/
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int
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rte_eth_bond_link_up_prop_delay_set(uint16_t bonded_port_id,
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uint32_t delay_ms);
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/**
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* Get the period in milliseconds set for delaying the enabling of a bonded
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* link when the link up status has been detected
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*
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* @param bonded_port_id Port ID of bonded device.
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*
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* @return
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* Delay period on success, negative value otherwise.
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*/
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int
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rte_eth_bond_link_up_prop_delay_get(uint16_t bonded_port_id);
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#ifdef __cplusplus
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}
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#endif
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#endif
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