3eb6bdd89e
Move bonded ethdev pmd to drivers/net Signed-off-by: Bruce Richardson <bruce.richardson@intel.com> Acked-by: John McNamara <john.mcnamara@intel.com> Acked-by: Thomas Monjalon <thomas.monjalon@6wind.com>
309 lines
9.4 KiB
C
309 lines
9.4 KiB
C
/*-
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* BSD LICENSE
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*
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* Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* * Neither the name of Intel Corporation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef RTE_ETH_BOND_8023AD_PRIVATE_H_
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#define RTE_ETH_BOND_8023AD_PRIVATE_H_
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#include <stdint.h>
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#include <rte_ether.h>
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#include <rte_byteorder.h>
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#include <rte_atomic.h>
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#include "rte_eth_bond_8023ad.h"
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#define BOND_MODE_8023AX_UPDATE_TIMEOUT_MS 100
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/** Maximum number of packets to one slave queued in TX ring. */
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#define BOND_MODE_8023AX_SLAVE_RX_PKTS 3
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/** Maximum number of LACP packets from one slave queued in TX ring. */
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#define BOND_MODE_8023AX_SLAVE_TX_PKTS 1
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/**
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* Timeouts deffinitions (5.4.4 in 802.1AX documentation).
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*/
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#define BOND_8023AD_FAST_PERIODIC_MS 900
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#define BOND_8023AD_SLOW_PERIODIC_MS 29000
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#define BOND_8023AD_SHORT_TIMEOUT_MS 3000
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#define BOND_8023AD_LONG_TIMEOUT_MS 90000
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#define BOND_8023AD_CHURN_DETECTION_TIMEOUT_MS 60000
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#define BOND_8023AD_AGGREGATE_WAIT_TIMEOUT_MS 2000
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#define BOND_8023AD_TX_MACHINE_PERIOD_MS 500
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#define BOND_8023AD_RX_MARKER_PERIOD_MS 2000
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/**
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* Interval of showing warning message from state machines. All messages will
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* be held (and gathered together) to prevent flooding.
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* This is no parto of 802.1AX standard.
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*/
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#define BOND_8023AD_WARNINGS_PERIOD_MS 1000
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/**
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* State machine flags
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*/
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#define SM_FLAGS_BEGIN 0x0001
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#define SM_FLAGS_LACP_ENABLED 0x0002
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#define SM_FLAGS_ACTOR_CHURN 0x0004
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#define SM_FLAGS_PARTNER_CHURN 0x0008
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#define SM_FLAGS_MOVED 0x0100
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#define SM_FLAGS_PARTNER_SHORT_TIMEOUT 0x0200
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#define SM_FLAGS_NTT 0x0400
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#define BOND_LINK_FULL_DUPLEX_KEY 0x01
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#define BOND_LINK_SPEED_KEY_10M 0x02
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#define BOND_LINK_SPEED_KEY_100M 0x04
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#define BOND_LINK_SPEED_KEY_1000M 0x08
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#define BOND_LINK_SPEED_KEY_10G 0x10
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#define BOND_LINK_SPEED_KEY_20G 0x11
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#define BOND_LINK_SPEED_KEY_40G 0x12
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#define WRN_RX_MARKER_TO_FAST 0x01
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#define WRN_UNKNOWN_SLOW_TYPE 0x02
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#define WRN_UNKNOWN_MARKER_TYPE 0x04
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#define WRN_NOT_LACP_CAPABLE 0x08
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#define WRN_RX_QUEUE_FULL 0x10
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#define WRN_TX_QUEUE_FULL 0x20
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#define CHECK_FLAGS(_variable, _f) ((_variable) & (_f))
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#define SET_FLAGS(_variable, _f) ((_variable) |= (_f))
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#define CLEAR_FLAGS(_variable, _f) ((_variable) &= ~(_f))
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#define SM_FLAG(_p, _f) (!!CHECK_FLAGS((_p)->sm_flags, SM_FLAGS_ ## _f))
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#define SM_FLAG_SET(_p, _f) SET_FLAGS((_p)->sm_flags, SM_FLAGS_ ## _f)
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#define SM_FLAG_CLR(_p, _f) CLEAR_FLAGS((_p)->sm_flags, SM_FLAGS_ ## _f)
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#define ACTOR_STATE(_p, _f) (!!CHECK_FLAGS((_p)->actor_state, STATE_ ## _f))
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#define ACTOR_STATE_SET(_p, _f) SET_FLAGS((_p)->actor_state, STATE_ ## _f)
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#define ACTOR_STATE_CLR(_p, _f) CLEAR_FLAGS((_p)->actor_state, STATE_ ## _f)
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#define PARTNER_STATE(_p, _f) (!!CHECK_FLAGS((_p)->partner_state, STATE_ ## _f))
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#define PARTNER_STATE_SET(_p, _f) SET_FLAGS((_p)->partner_state, STATE_ ## _f)
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#define PARTNER_STATE_CLR(_p, _f) CLEAR_FLAGS((_p)->partner_state, STATE_ ## _f)
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/** Variables associated with each port (5.4.7 in 802.1AX documentation). */
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struct port {
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/**
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* The operational values of the Actor's state parameters. Bitmask
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* of port states.
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*/
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uint8_t actor_state;
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/** The operational Actor's port parameters */
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struct port_params actor;
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/**
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* The operational value of the Actor's view of the current values of
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* the Partner's state parameters. The Actor sets this variable either
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* to the value received from the Partner in an LACPDU, or to the value
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* of Partner_Admin_Port_State. Bitmask of port states.
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*/
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uint8_t partner_state;
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/** The operational Partner's port parameters */
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struct port_params partner;
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/* Additional port parameters not listed in documentation */
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/** State machine flags */
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uint16_t sm_flags;
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enum rte_bond_8023ad_selection selected;
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uint64_t current_while_timer;
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uint64_t periodic_timer;
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uint64_t wait_while_timer;
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uint64_t tx_machine_timer;
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uint64_t tx_marker_timer;
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/* Agregator parameters */
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/** Used aggregator port ID */
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uint16_t aggregator_port_id;
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/** Memory pool used to allocate rings */
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struct rte_mempool *mbuf_pool;
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/** Ring of LACP packets from RX burst function */
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struct rte_ring *rx_ring;
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/** Ring of slow protocol packets (LACP and MARKERS) to TX burst function */
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struct rte_ring *tx_ring;
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/** Timer which is also used as mutex. If is 0 (not running) RX marker
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* packet might be responded. Otherwise shall be dropped. It is zeroed in
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* mode 4 callback function after expire. */
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volatile uint64_t rx_marker_timer;
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uint64_t warning_timer;
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volatile uint16_t warnings_to_show;
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};
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struct mode8023ad_private {
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uint64_t fast_periodic_timeout;
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uint64_t slow_periodic_timeout;
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uint64_t short_timeout;
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uint64_t long_timeout;
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uint64_t aggregate_wait_timeout;
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uint64_t tx_period_timeout;
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uint64_t rx_marker_timeout;
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uint64_t update_timeout_us;
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};
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/**
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* @internal
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* The pool of *port* structures. The size of the pool
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* is configured at compile-time in the <rte_eth_bond_8023ad.c> file.
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*/
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extern struct port mode_8023ad_ports[];
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/* Forward declaration */
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struct bond_dev_private;
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/**
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* @internal
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*
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* Get configuration of bonded interface.
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*
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*
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* @param dev Bonded interface
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* @param conf returned configuration
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*/
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void
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bond_mode_8023ad_conf_get(struct rte_eth_dev *dev,
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struct rte_eth_bond_8023ad_conf *conf);
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/**
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* @internal
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*
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* Set mode 4 configuration of bonded interface.
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*
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* @pre Bonded interface must be stopped.
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*
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* @param dev Bonded interface
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* @param conf new configuration. If NULL set default configuration.
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*/
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void
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bond_mode_8023ad_setup(struct rte_eth_dev *dev,
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struct rte_eth_bond_8023ad_conf *conf);
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/**
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* @internal
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*
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* Enables 802.1AX mode and all active slaves on bonded interface.
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*
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* @param dev Bonded interface
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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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bond_mode_8023ad_enable(struct rte_eth_dev *dev);
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/**
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* @internal
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*
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* Disables 802.1AX mode of the bonded interface and slaves.
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*
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* @param dev Bonded interface
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* @return
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* 0 on success, negative value otherwise.
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*/
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int bond_mode_8023ad_disable(struct rte_eth_dev *dev);
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/**
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* @internal
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*
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* Starts 802.3AX state machines management logic.
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* @param dev Bonded interface
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* @return
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* 0 if machines was started, 1 if machines was already running,
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* negative value otherwise.
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*/
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int
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bond_mode_8023ad_start(struct rte_eth_dev *dev);
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/**
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* @internal
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*
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* Stops 802.3AX state machines management logic.
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* @param dev Bonded interface
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* @return
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* 0 if this call stopped state machines, -ENOENT if alarm was not set.
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*/
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void
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bond_mode_8023ad_stop(struct rte_eth_dev *dev);
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/**
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* @internal
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*
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* Passes given slow packet to state machines management logic.
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* @param internals Bonded device private data.
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* @param slave_id Slave port id.
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* @param slot_pkt Slow packet.
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*/
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void
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bond_mode_8023ad_handle_slow_pkt(struct bond_dev_private *internals,
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uint8_t slave_id, struct rte_mbuf *pkt);
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/**
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* @internal
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*
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* Appends given slave used slave
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*
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* @param dev Bonded interface.
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* @param port_id Slave port ID to be added
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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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void
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bond_mode_8023ad_activate_slave(struct rte_eth_dev *dev, uint8_t port_id);
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/**
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* @internal
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*
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* Denitializes and removes given slave from 802.1AX mode.
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*
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* @param dev Bonded interface.
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* @param slave_num Position of slave in active_slaves array
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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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bond_mode_8023ad_deactivate_slave(struct rte_eth_dev *dev, uint8_t slave_pos);
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/**
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* Updates state when MAC was changed on bonded device or one of its slaves.
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* @param bond_dev Bonded device
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*/
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void
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bond_mode_8023ad_mac_address_update(struct rte_eth_dev *bond_dev);
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#endif /* RTE_ETH_BOND_8023AD_H_ */
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