170 lines
5.8 KiB
C
170 lines
5.8 KiB
C
/*-
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* Copyright (c) 2013-2017, Mellanox Technologies, Ltd. 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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* 1. 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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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS `AS IS' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#ifndef __MLX5_ESWITCH_H__
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#define __MLX5_ESWITCH_H__
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#include <linux/if_ether.h>
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#include <dev/mlx5/device.h>
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#define MLX5_MAX_UC_PER_VPORT(dev) \
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(1 << MLX5_CAP_GEN(dev, log_max_current_uc_list))
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#define MLX5_MAX_MC_PER_VPORT(dev) \
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(1 << MLX5_CAP_GEN(dev, log_max_current_mc_list))
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#define MLX5_L2_ADDR_HASH_SIZE (BIT(BITS_PER_BYTE))
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#define MLX5_L2_ADDR_HASH(addr) (addr[5])
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/* L2 -mac address based- hash helpers */
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struct l2addr_node {
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struct hlist_node hlist;
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u8 addr[ETH_ALEN];
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};
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#define for_each_l2hash_node(hn, tmp, hash, i) \
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for (i = 0; i < MLX5_L2_ADDR_HASH_SIZE; i++) \
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hlist_for_each_entry_safe(hn, tmp, &hash[i], hlist)
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#define l2addr_hash_find(hash, mac, type) ({ \
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int ix = MLX5_L2_ADDR_HASH(mac); \
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bool found = false; \
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type *ptr = NULL; \
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\
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hlist_for_each_entry(ptr, &hash[ix], node.hlist) \
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if (ether_addr_equal(ptr->node.addr, mac)) {\
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found = true; \
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break; \
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} \
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if (!found) \
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ptr = NULL; \
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ptr; \
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})
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#define l2addr_hash_add(hash, mac, type, gfp) ({ \
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int ix = MLX5_L2_ADDR_HASH(mac); \
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type *ptr = NULL; \
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\
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ptr = kzalloc(sizeof(type), gfp); \
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if (ptr) { \
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ether_addr_copy(ptr->node.addr, mac); \
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hlist_add_head(&ptr->node.hlist, &hash[ix]);\
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} \
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ptr; \
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})
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#define l2addr_hash_del(ptr) ({ \
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hlist_del(&ptr->node.hlist); \
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kfree(ptr); \
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})
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struct vport_ingress {
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struct mlx5_flow_table *acl;
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struct mlx5_flow_group *drop_grp;
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struct mlx5_flow_rule *drop_rule;
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};
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struct vport_egress {
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struct mlx5_flow_table *acl;
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struct mlx5_flow_group *allowed_vlans_grp;
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struct mlx5_flow_group *drop_grp;
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struct mlx5_flow_rule *allowed_vlan;
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struct mlx5_flow_rule *drop_rule;
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};
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struct mlx5_vport {
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struct mlx5_core_dev *dev;
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int vport;
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struct hlist_head uc_list[MLX5_L2_ADDR_HASH_SIZE];
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struct hlist_head mc_list[MLX5_L2_ADDR_HASH_SIZE];
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struct work_struct vport_change_handler;
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struct vport_ingress ingress;
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struct vport_egress egress;
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u16 vlan;
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u8 qos;
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struct mutex state_lock; /* protect dynamic state changes */
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/* This spinlock protects access to vport data, between
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* "esw_vport_disable" and ongoing interrupt "mlx5_eswitch_vport_event"
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* once vport marked as disabled new interrupts are discarded.
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*/
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spinlock_t lock; /* vport events sync */
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bool enabled;
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u16 enabled_events;
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};
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struct mlx5_l2_table {
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struct hlist_head l2_hash[MLX5_L2_ADDR_HASH_SIZE];
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u32 size;
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unsigned long *bitmap;
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};
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struct mlx5_eswitch_fdb {
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void *fdb;
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struct mlx5_flow_group *addr_grp;
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};
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struct mlx5_eswitch {
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struct mlx5_core_dev *dev;
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struct mlx5_l2_table l2_table;
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struct mlx5_eswitch_fdb fdb_table;
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struct hlist_head mc_table[MLX5_L2_ADDR_HASH_SIZE];
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struct workqueue_struct *work_queue;
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struct mlx5_vport *vports;
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int total_vports;
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int enabled_vports;
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};
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struct mlx5_esw_vport_info {
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__u32 vf;
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__u8 mac[32];
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__u32 vlan;
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__u32 qos;
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__u32 spoofchk;
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__u32 linkstate;
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__u32 min_tx_rate;
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__u32 max_tx_rate;
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};
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/* E-Switch API */
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int mlx5_eswitch_init(struct mlx5_core_dev *dev, int total_vports);
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void mlx5_eswitch_cleanup(struct mlx5_eswitch *esw);
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void mlx5_eswitch_vport_event(struct mlx5_eswitch *esw, struct mlx5_eqe *eqe);
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int mlx5_eswitch_enable_sriov(struct mlx5_eswitch *esw, int nvfs);
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void mlx5_eswitch_disable_sriov(struct mlx5_eswitch *esw);
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int mlx5_eswitch_set_vport_mac(struct mlx5_eswitch *esw,
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int vport, u8 mac[ETH_ALEN]);
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int mlx5_eswitch_set_vport_state(struct mlx5_eswitch *esw,
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int vport, int link_state);
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int mlx5_eswitch_set_vport_vlan(struct mlx5_eswitch *esw,
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int vport, u16 vlan, u8 qos);
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int mlx5_eswitch_get_vport_config(struct mlx5_eswitch *esw,
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int vport, struct mlx5_esw_vport_info *evi);
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#endif /* __MLX5_ESWITCH_H__ */
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