--- /dev/null
+/*-
+ * BSD LICENSE
+ *
+ * Copyright(c) 2010-2014 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.
+ */
+
+#ifndef RTE_ETH_BOND_8023AD_PRIVATE_H_
+#define RTE_ETH_BOND_8023AD_PRIVATE_H_
+
+#include <stdint.h>
+
+#include <rte_ether.h>
+#include <rte_byteorder.h>
+#include <rte_atomic.h>
+
+#include "rte_eth_bond_8023ad.h"
+
+#define BOND_MODE_8023AX_UPDATE_TIMEOUT_MS 100
+/** Maximum number of packets to one slave queued in TX ring. */
+#define BOND_MODE_8023AX_SLAVE_RX_PKTS 3
+/** Maximum number of LACP packets from one slave queued in TX ring. */
+#define BOND_MODE_8023AX_SLAVE_TX_PKTS 1
+/**
+ * Timeouts deffinitions (5.4.4 in 802.1AX documentation).
+ */
+#define BOND_8023AD_FAST_PERIODIC_MS 900
+#define BOND_8023AD_SLOW_PERIODIC_MS 29000
+#define BOND_8023AD_SHORT_TIMEOUT_MS 3000
+#define BOND_8023AD_LONG_TIMEOUT_MS 90000
+#define BOND_8023AD_CHURN_DETECTION_TIMEOUT_MS 60000
+#define BOND_8023AD_AGGREGATE_WAIT_TIMEOUT_MS 2000
+#define BOND_8023AD_TX_MACHINE_PERIOD_MS 500
+#define BOND_8023AD_RX_MARKER_PERIOD_MS 2000
+
+/**
+ * Interval of showing warning message from state machines. All messages will
+ * be held (and gathered together) to prevent flooding.
+ * This is no parto of 802.1AX standard.
+ */
+#define BOND_8023AD_WARNINGS_PERIOD_MS 1000
+
+
+
+/**
+ * State machine flags
+ */
+#define SM_FLAGS_BEGIN 0x0001
+#define SM_FLAGS_LACP_ENABLED 0x0002
+#define SM_FLAGS_ACTOR_CHURN 0x0004
+#define SM_FLAGS_PARTNER_CHURN 0x0008
+#define SM_FLAGS_MOVED 0x0100
+#define SM_FLAGS_PARTNER_SHORT_TIMEOUT 0x0200
+#define SM_FLAGS_NTT 0x0400
+
+#define BOND_LINK_FULL_DUPLEX_KEY 0x01
+#define BOND_LINK_SPEED_KEY_10M 0x02
+#define BOND_LINK_SPEED_KEY_100M 0x04
+#define BOND_LINK_SPEED_KEY_1000M 0x08
+#define BOND_LINK_SPEED_KEY_10G 0x10
+#define BOND_LINK_SPEED_KEY_20G 0x11
+#define BOND_LINK_SPEED_KEY_40G 0x12
+
+#define WRN_RX_MARKER_TO_FAST 0x01
+#define WRN_UNKNOWN_SLOW_TYPE 0x02
+#define WRN_UNKNOWN_MARKER_TYPE 0x04
+#define WRN_NOT_LACP_CAPABLE 0x08
+#define WRN_RX_QUEUE_FULL 0x10
+#define WRN_TX_QUEUE_FULL 0x20
+
+#define CHECK_FLAGS(_variable, _f) ((_variable) & (_f))
+#define SET_FLAGS(_variable, _f) ((_variable) |= (_f))
+#define CLEAR_FLAGS(_variable, _f) ((_variable) &= ~(_f))
+
+#define SM_FLAG(_p, _f) (!!CHECK_FLAGS((_p)->sm_flags, SM_FLAGS_ ## _f))
+#define SM_FLAG_SET(_p, _f) SET_FLAGS((_p)->sm_flags, SM_FLAGS_ ## _f)
+#define SM_FLAG_CLR(_p, _f) CLEAR_FLAGS((_p)->sm_flags, SM_FLAGS_ ## _f)
+
+#define ACTOR_STATE(_p, _f) (!!CHECK_FLAGS((_p)->actor_state, STATE_ ## _f))
+#define ACTOR_STATE_SET(_p, _f) SET_FLAGS((_p)->actor_state, STATE_ ## _f)
+#define ACTOR_STATE_CLR(_p, _f) CLEAR_FLAGS((_p)->actor_state, STATE_ ## _f)
+
+#define PARTNER_STATE(_p, _f) (!!CHECK_FLAGS((_p)->partner_state, STATE_ ## _f))
+#define PARTNER_STATE_SET(_p, _f) SET_FLAGS((_p)->partner_state, STATE_ ## _f)
+#define PARTNER_STATE_CLR(_p, _f) CLEAR_FLAGS((_p)->partner_state, STATE_ ## _f)
+
+/** Variables associated with each port (5.4.7 in 802.1AX documentation). */
+struct port {
+ /**
+ * The operational values of the Actor's state parameters. Bitmask
+ * of port states.
+ */
+ uint8_t actor_state;
+
+ /** The operational Actor's port parameters */
+ struct port_params actor;
+
+ /**
+ * The operational value of the Actor's view of the current values of
+ * the Partner's state parameters. The Actor sets this variable either
+ * to the value received from the Partner in an LACPDU, or to the value
+ * of Partner_Admin_Port_State. Bitmask of port states.
+ */
+ uint8_t partner_state;
+
+ /** The operational Partner's port parameters */
+ struct port_params partner;
+
+ /* Additional port parameters not listed in documentation */
+ /** State machine flags */
+ uint16_t sm_flags;
+ enum rte_bond_8023ad_selection selected;
+
+ uint64_t current_while_timer;
+ uint64_t periodic_timer;
+ uint64_t wait_while_timer;
+ uint64_t tx_machine_timer;
+ uint64_t tx_marker_timer;
+ /* Agregator parameters */
+ /** Used aggregator port ID */
+ uint16_t aggregator_port_id;
+
+ /** Memory pool used to allocate rings */
+ struct rte_mempool *mbuf_pool;
+
+ /** Ring of LACP packets from RX burst function */
+ struct rte_ring *rx_ring;
+
+ /** Ring of slow protocol packets (LACP and MARKERS) to TX burst function */
+ struct rte_ring *tx_ring;
+
+ /** Timer which is also used as mutex. If is 0 (not running) RX marker
+ * packet might be responded. Otherwise shall be dropped. It is zeroed in
+ * mode 4 callback function after expire. */
+ volatile uint64_t rx_marker_timer;
+
+ uint64_t warning_timer;
+ volatile uint16_t warnings_to_show;
+};
+
+struct mode8023ad_private {
+ uint64_t fast_periodic_timeout;
+ uint64_t slow_periodic_timeout;
+ uint64_t short_timeout;
+ uint64_t long_timeout;
+ uint64_t aggregate_wait_timeout;
+ uint64_t tx_period_timeout;
+ uint64_t rx_marker_timeout;
+ uint64_t update_timeout_us;
+};
+
+/**
+ * @internal
+ * The pool of *port* structures. The size of the pool
+ * is configured at compile-time in the <rte_eth_bond_8023ad.c> file.
+ */
+extern struct port mode_8023ad_ports[];
+
+/* Forward declaration */
+struct bond_dev_private;
+
+/**
+ * @internal
+ *
+ * Get configuration of bonded interface.
+ *
+ *
+ * @param dev Bonded interface
+ * @param conf returned configuration
+ */
+void
+bond_mode_8023ad_conf_get(struct rte_eth_dev *dev,
+ struct rte_eth_bond_8023ad_conf *conf);
+
+/**
+ * @internal
+ *
+ * Set mode 4 configuration of bonded interface.
+ *
+ * @pre Bonded interface must be stopped.
+ *
+ * @param dev Bonded interface
+ * @param conf new configuration. If NULL set default configuration.
+ */
+void
+bond_mode_8023ad_setup(struct rte_eth_dev *dev,
+ struct rte_eth_bond_8023ad_conf *conf);
+
+/**
+ * @internal
+ *
+ * Enables 802.1AX mode and all active slaves on bonded interface.
+ *
+ * @param dev Bonded interface
+ * @return
+ * 0 on success, negative value otherwise.
+ */
+int
+bond_mode_8023ad_enable(struct rte_eth_dev *dev);
+
+/**
+ * @internal
+ *
+ * Disables 802.1AX mode of the bonded interface and slaves.
+ *
+ * @param dev Bonded interface
+ * @return
+ * 0 on success, negative value otherwise.
+ */
+int bond_mode_8023ad_disable(struct rte_eth_dev *dev);
+
+/**
+ * @internal
+ *
+ * Starts 802.3AX state machines management logic.
+ * @param dev Bonded interface
+ * @return
+ * 0 if machines was started, 1 if machines was already running,
+ * negative value otherwise.
+ */
+int
+bond_mode_8023ad_start(struct rte_eth_dev *dev);
+
+/**
+ * @internal
+ *
+ * Stops 802.3AX state machines management logic.
+ * @param dev Bonded interface
+ * @return
+ * 0 if this call stopped state machines, -ENOENT if alarm was not set.
+ */
+void
+bond_mode_8023ad_stop(struct rte_eth_dev *dev);
+
+/**
+ * @internal
+ *
+ * Passes given slow packet to state machines management logic.
+ * @param internals Bonded device private data.
+ * @param slave_id Slave port id.
+ * @param slot_pkt Slow packet.
+ */
+void
+bond_mode_8023ad_handle_slow_pkt(struct bond_dev_private *internals,
+ uint8_t slave_id, struct rte_mbuf *pkt);
+
+/**
+ * @internal
+ *
+ * Appends given slave used slave
+ *
+ * @param dev Bonded interface.
+ * @param port_id Slave port ID to be added
+ *
+ * @return
+ * 0 on success, negative value otherwise.
+ */
+void
+bond_mode_8023ad_activate_slave(struct rte_eth_dev *dev, uint8_t port_id);
+
+/**
+ * @internal
+ *
+ * Denitializes and removes given slave from 802.1AX mode.
+ *
+ * @param dev Bonded interface.
+ * @param slave_num Position of slave in active_slaves array
+ *
+ * @return
+ * 0 on success, negative value otherwise.
+ */
+int
+bond_mode_8023ad_deactivate_slave(struct rte_eth_dev *dev, uint8_t slave_pos);
+
+/**
+ * Updates state when MAC was changed on bonded device or one of its slaves.
+ * @param bond_dev Bonded device
+ */
+void
+bond_mode_8023ad_mac_address_update(struct rte_eth_dev *bond_dev);
+
+#endif /* RTE_ETH_BOND_8023AD_H_ */
Code Review / deb_dpdk.git / blobdiff