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Diffstat (limited to 'drivers/net/bonding/rte_eth_bond_8023ad.h')
-rw-r--r--drivers/net/bonding/rte_eth_bond_8023ad.h222
1 files changed, 222 insertions, 0 deletions
diff --git a/drivers/net/bonding/rte_eth_bond_8023ad.h b/drivers/net/bonding/rte_eth_bond_8023ad.h
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+++ b/drivers/net/bonding/rte_eth_bond_8023ad.h
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+/*-
+ * 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_H_
+#define RTE_ETH_BOND_8023AD_H_
+
+#include <rte_ether.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * Actor/partner states
+ */
+#define STATE_LACP_ACTIVE 0x01
+#define STATE_LACP_SHORT_TIMEOUT 0x02
+#define STATE_AGGREGATION 0x04
+#define STATE_SYNCHRONIZATION 0x08
+#define STATE_COLLECTING 0x10
+#define STATE_DISTRIBUTING 0x20
+/** Partners parameters are defaulted */
+#define STATE_DEFAULTED 0x40
+#define STATE_EXPIRED 0x80
+
+#define TLV_TYPE_ACTOR_INFORMATION 0x01
+#define TLV_TYPE_PARTNER_INFORMATION 0x02
+#define TLV_TYPE_COLLECTOR_INFORMATION 0x03
+#define TLV_TYPE_TERMINATOR_INFORMATION 0x00
+
+#define SLOW_SUBTYPE_LACP 0x01
+#define SLOW_SUBTYPE_MARKER 0x02
+
+#define MARKER_TLV_TYPE_INFO 0x01
+#define MARKER_TLV_TYPE_RESP 0x02
+
+enum rte_bond_8023ad_selection {
+ UNSELECTED,
+ STANDBY,
+ SELECTED
+};
+
+/** Generic slow protocol structure */
+struct slow_protocol {
+ uint8_t subtype;
+ uint8_t reserved_119[119];
+} __attribute__((__packed__));
+
+/** Generic slow protocol frame type structure */
+struct slow_protocol_frame {
+ struct ether_hdr eth_hdr;
+ struct slow_protocol slow_protocol;
+} __attribute__((__packed__));
+
+struct port_params {
+ uint16_t system_priority;
+ /**< System priority (unused in current implementation) */
+ struct ether_addr system;
+ /**< System ID - Slave MAC address, same as bonding MAC address */
+ uint16_t key;
+ /**< Speed information (implementation dependednt) and duplex. */
+ uint16_t port_priority;
+ /**< Priority of this (unused in current implementation) */
+ uint16_t port_number;
+ /**< Port number. It corresponds to slave port id. */
+} __attribute__((__packed__));
+
+struct lacpdu_actor_partner_params {
+ uint8_t tlv_type_info;
+ uint8_t info_length;
+ struct port_params port_params;
+ uint8_t state;
+ uint8_t reserved_3[3];
+} __attribute__((__packed__));
+
+/** LACPDU structure (5.4.2 in 802.1AX documentation). */
+struct lacpdu {
+ uint8_t subtype;
+ uint8_t version_number;
+
+ struct lacpdu_actor_partner_params actor;
+ struct lacpdu_actor_partner_params partner;
+
+ uint8_t tlv_type_collector_info;
+ uint8_t collector_info_length;
+ uint16_t collector_max_delay;
+ uint8_t reserved_12[12];
+
+ uint8_t tlv_type_terminator;
+ uint8_t terminator_length;
+ uint8_t reserved_50[50];
+} __attribute__((__packed__));
+
+/** LACPDU frame: Contains ethernet header and LACPDU. */
+struct lacpdu_header {
+ struct ether_hdr eth_hdr;
+ struct lacpdu lacpdu;
+} __attribute__((__packed__));
+
+struct marker {
+ uint8_t subtype;
+ uint8_t version_number;
+
+ uint8_t tlv_type_marker;
+ uint8_t info_length;
+ uint16_t requester_port;
+ struct ether_addr requester_system;
+ uint32_t requester_transaction_id;
+ uint8_t reserved_2[2];
+
+ uint8_t tlv_type_terminator;
+ uint8_t terminator_length;
+ uint8_t reserved_90[90];
+} __attribute__((__packed__));
+
+struct marker_header {
+ struct ether_hdr eth_hdr;
+ struct marker marker;
+} __attribute__((__packed__));
+
+struct rte_eth_bond_8023ad_conf {
+ uint32_t fast_periodic_ms;
+ uint32_t slow_periodic_ms;
+ uint32_t short_timeout_ms;
+ uint32_t long_timeout_ms;
+ uint32_t aggregate_wait_timeout_ms;
+ uint32_t tx_period_ms;
+ uint32_t rx_marker_period_ms;
+ uint32_t update_timeout_ms;
+};
+
+struct rte_eth_bond_8023ad_slave_info {
+ enum rte_bond_8023ad_selection selected;
+ uint8_t actor_state;
+ struct port_params actor;
+ uint8_t partner_state;
+ struct port_params partner;
+ uint8_t agg_port_id;
+};
+
+/**
+ * @internal
+ *
+ * Function returns current configuration of 802.3AX mode.
+ *
+ * @param port_id Bonding device id
+ * @param conf Pointer to timeout structure.
+ *
+ * @return
+ * 0 - if ok
+ * -EINVAL if conf is NULL
+ */
+int
+rte_eth_bond_8023ad_conf_get(uint8_t port_id,
+ struct rte_eth_bond_8023ad_conf *conf);
+
+/**
+ * @internal
+ *
+ * Function set new configuration of 802.3AX mode.
+ *
+ * @param port_id Bonding device id
+ * @param conf Configuration, if NULL set default configuration.
+ * @return
+ * 0 - if ok
+ * -EINVAL if configuration is invalid.
+ */
+int
+rte_eth_bond_8023ad_setup(uint8_t port_id,
+ struct rte_eth_bond_8023ad_conf *conf);
+
+/**
+ * @internal
+ *
+ * Function returns current state of given slave device.
+ *
+ * @param slave_id Port id of valid slave.
+ * @param conf buffer for configuration
+ * @return
+ * 0 - if ok
+ * -EINVAL if conf is NULL or slave id is invalid (not a slave of given
+ * bonded device or is not inactive).
+ */
+int
+rte_eth_bond_8023ad_slave_info(uint8_t port_id, uint8_t slave_id,
+ struct rte_eth_bond_8023ad_slave_info *conf);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* RTE_ETH_BOND_8023AD_H_ */