eswitch.c 54.2 KB
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/*
 * Copyright (c) 2015, Mellanox Technologies. All rights reserved.
 *
 * This software is available to you under a choice of one of two
 * licenses.  You may choose to be licensed under the terms of the GNU
 * General Public License (GPL) Version 2, available from the file
 * COPYING in the main directory of this source tree, or the
 * OpenIB.org BSD license below:
 *
 *     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.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */

#include <linux/etherdevice.h>
#include <linux/mlx5/driver.h>
#include <linux/mlx5/mlx5_ifc.h>
#include <linux/mlx5/vport.h>
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#include <linux/mlx5/fs.h>
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#include "mlx5_core.h"
#include "eswitch.h"

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#define UPLINK_VPORT 0xFFFF

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enum {
	MLX5_ACTION_NONE = 0,
	MLX5_ACTION_ADD  = 1,
	MLX5_ACTION_DEL  = 2,
};

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/* E-Switch UC L2 table hash node */
struct esw_uc_addr {
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	struct l2addr_node node;
	u32                table_index;
	u32                vport;
};

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/* E-Switch MC FDB table hash node */
struct esw_mc_addr { /* SRIOV only */
	struct l2addr_node     node;
	struct mlx5_flow_rule *uplink_rule; /* Forward to uplink rule */
	u32                    refcnt;
};

/* Vport UC/MC hash node */
struct vport_addr {
	struct l2addr_node     node;
	u8                     action;
	u32                    vport;
	struct mlx5_flow_rule *flow_rule; /* SRIOV only */
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	/* A flag indicating that mac was added due to mc promiscuous vport */
	bool mc_promisc;
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};

enum {
	UC_ADDR_CHANGE = BIT(0),
	MC_ADDR_CHANGE = BIT(1),
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	PROMISC_CHANGE = BIT(3),
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};

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/* Vport context events */
#define SRIOV_VPORT_EVENTS (UC_ADDR_CHANGE | \
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			    MC_ADDR_CHANGE | \
			    PROMISC_CHANGE)
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int esw_offloads_init(struct mlx5_eswitch *esw, int nvports);
void esw_offloads_cleanup(struct mlx5_eswitch *esw, int nvports);
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static int arm_vport_context_events_cmd(struct mlx5_core_dev *dev, u16 vport,
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					u32 events_mask)
{
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	int in[MLX5_ST_SZ_DW(modify_nic_vport_context_in)]   = {0};
	int out[MLX5_ST_SZ_DW(modify_nic_vport_context_out)] = {0};
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	void *nic_vport_ctx;

	MLX5_SET(modify_nic_vport_context_in, in,
		 opcode, MLX5_CMD_OP_MODIFY_NIC_VPORT_CONTEXT);
	MLX5_SET(modify_nic_vport_context_in, in, field_select.change_event, 1);
	MLX5_SET(modify_nic_vport_context_in, in, vport_number, vport);
	if (vport)
		MLX5_SET(modify_nic_vport_context_in, in, other_vport, 1);
	nic_vport_ctx = MLX5_ADDR_OF(modify_nic_vport_context_in,
				     in, nic_vport_context);

	MLX5_SET(nic_vport_context, nic_vport_ctx, arm_change_event, 1);

	if (events_mask & UC_ADDR_CHANGE)
		MLX5_SET(nic_vport_context, nic_vport_ctx,
			 event_on_uc_address_change, 1);
	if (events_mask & MC_ADDR_CHANGE)
		MLX5_SET(nic_vport_context, nic_vport_ctx,
			 event_on_mc_address_change, 1);
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	if (events_mask & PROMISC_CHANGE)
		MLX5_SET(nic_vport_context, nic_vport_ctx,
			 event_on_promisc_change, 1);
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	return mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
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}

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/* E-Switch vport context HW commands */
static int query_esw_vport_context_cmd(struct mlx5_core_dev *mdev, u32 vport,
				       u32 *out, int outlen)
{
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	u32 in[MLX5_ST_SZ_DW(query_esw_vport_context_in)] = {0};
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	MLX5_SET(query_nic_vport_context_in, in, opcode,
		 MLX5_CMD_OP_QUERY_ESW_VPORT_CONTEXT);
	MLX5_SET(query_esw_vport_context_in, in, vport_number, vport);
	if (vport)
		MLX5_SET(query_esw_vport_context_in, in, other_vport, 1);
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	return mlx5_cmd_exec(mdev, in, sizeof(in), out, outlen);
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}

static int query_esw_vport_cvlan(struct mlx5_core_dev *dev, u32 vport,
				 u16 *vlan, u8 *qos)
{
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	u32 out[MLX5_ST_SZ_DW(query_esw_vport_context_out)] = {0};
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	int err;
	bool cvlan_strip;
	bool cvlan_insert;

	*vlan = 0;
	*qos = 0;

	if (!MLX5_CAP_ESW(dev, vport_cvlan_strip) ||
	    !MLX5_CAP_ESW(dev, vport_cvlan_insert_if_not_exist))
		return -ENOTSUPP;

	err = query_esw_vport_context_cmd(dev, vport, out, sizeof(out));
	if (err)
		goto out;

	cvlan_strip = MLX5_GET(query_esw_vport_context_out, out,
			       esw_vport_context.vport_cvlan_strip);

	cvlan_insert = MLX5_GET(query_esw_vport_context_out, out,
				esw_vport_context.vport_cvlan_insert);

	if (cvlan_strip || cvlan_insert) {
		*vlan = MLX5_GET(query_esw_vport_context_out, out,
				 esw_vport_context.cvlan_id);
		*qos = MLX5_GET(query_esw_vport_context_out, out,
				esw_vport_context.cvlan_pcp);
	}

	esw_debug(dev, "Query Vport[%d] cvlan: VLAN %d qos=%d\n",
		  vport, *vlan, *qos);
out:
	return err;
}

static int modify_esw_vport_context_cmd(struct mlx5_core_dev *dev, u16 vport,
					void *in, int inlen)
{
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	u32 out[MLX5_ST_SZ_DW(modify_esw_vport_context_out)] = {0};
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	MLX5_SET(modify_esw_vport_context_in, in, opcode,
		 MLX5_CMD_OP_MODIFY_ESW_VPORT_CONTEXT);
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	MLX5_SET(modify_esw_vport_context_in, in, vport_number, vport);
	if (vport)
		MLX5_SET(modify_esw_vport_context_in, in, other_vport, 1);
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	return mlx5_cmd_exec(dev, in, inlen, out, sizeof(out));
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}

static int modify_esw_vport_cvlan(struct mlx5_core_dev *dev, u32 vport,
				  u16 vlan, u8 qos, bool set)
{
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	u32 in[MLX5_ST_SZ_DW(modify_esw_vport_context_in)] = {0};
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	if (!MLX5_CAP_ESW(dev, vport_cvlan_strip) ||
	    !MLX5_CAP_ESW(dev, vport_cvlan_insert_if_not_exist))
		return -ENOTSUPP;

	esw_debug(dev, "Set Vport[%d] VLAN %d qos %d set=%d\n",
		  vport, vlan, qos, set);
	if (set) {
		MLX5_SET(modify_esw_vport_context_in, in,
			 esw_vport_context.vport_cvlan_strip, 1);
		/* insert only if no vlan in packet */
		MLX5_SET(modify_esw_vport_context_in, in,
			 esw_vport_context.vport_cvlan_insert, 1);
		MLX5_SET(modify_esw_vport_context_in, in,
			 esw_vport_context.cvlan_pcp, qos);
		MLX5_SET(modify_esw_vport_context_in, in,
			 esw_vport_context.cvlan_id, vlan);
	}

	MLX5_SET(modify_esw_vport_context_in, in,
		 field_select.vport_cvlan_strip, 1);
	MLX5_SET(modify_esw_vport_context_in, in,
		 field_select.vport_cvlan_insert, 1);

	return modify_esw_vport_context_cmd(dev, vport, in, sizeof(in));
}

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/* HW L2 Table (MPFS) management */
static int set_l2_table_entry_cmd(struct mlx5_core_dev *dev, u32 index,
				  u8 *mac, u8 vlan_valid, u16 vlan)
{
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	u32 in[MLX5_ST_SZ_DW(set_l2_table_entry_in)]   = {0};
	u32 out[MLX5_ST_SZ_DW(set_l2_table_entry_out)] = {0};
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	u8 *in_mac_addr;

	MLX5_SET(set_l2_table_entry_in, in, opcode,
		 MLX5_CMD_OP_SET_L2_TABLE_ENTRY);
	MLX5_SET(set_l2_table_entry_in, in, table_index, index);
	MLX5_SET(set_l2_table_entry_in, in, vlan_valid, vlan_valid);
	MLX5_SET(set_l2_table_entry_in, in, vlan, vlan);

	in_mac_addr = MLX5_ADDR_OF(set_l2_table_entry_in, in, mac_address);
	ether_addr_copy(&in_mac_addr[2], mac);

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	return mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
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}

static int del_l2_table_entry_cmd(struct mlx5_core_dev *dev, u32 index)
{
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	u32 in[MLX5_ST_SZ_DW(delete_l2_table_entry_in)]   = {0};
	u32 out[MLX5_ST_SZ_DW(delete_l2_table_entry_out)] = {0};
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	MLX5_SET(delete_l2_table_entry_in, in, opcode,
		 MLX5_CMD_OP_DELETE_L2_TABLE_ENTRY);
	MLX5_SET(delete_l2_table_entry_in, in, table_index, index);
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	return mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
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}

static int alloc_l2_table_index(struct mlx5_l2_table *l2_table, u32 *ix)
{
	int err = 0;

	*ix = find_first_zero_bit(l2_table->bitmap, l2_table->size);
	if (*ix >= l2_table->size)
		err = -ENOSPC;
	else
		__set_bit(*ix, l2_table->bitmap);

	return err;
}

static void free_l2_table_index(struct mlx5_l2_table *l2_table, u32 ix)
{
	__clear_bit(ix, l2_table->bitmap);
}

static int set_l2_table_entry(struct mlx5_core_dev *dev, u8 *mac,
			      u8 vlan_valid, u16 vlan,
			      u32 *index)
{
	struct mlx5_l2_table *l2_table = &dev->priv.eswitch->l2_table;
	int err;

	err = alloc_l2_table_index(l2_table, index);
	if (err)
		return err;

	err = set_l2_table_entry_cmd(dev, *index, mac, vlan_valid, vlan);
	if (err)
		free_l2_table_index(l2_table, *index);

	return err;
}

static void del_l2_table_entry(struct mlx5_core_dev *dev, u32 index)
{
	struct mlx5_l2_table *l2_table = &dev->priv.eswitch->l2_table;

	del_l2_table_entry_cmd(dev, index);
	free_l2_table_index(l2_table, index);
}

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/* E-Switch FDB */
static struct mlx5_flow_rule *
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__esw_fdb_set_vport_rule(struct mlx5_eswitch *esw, u32 vport, bool rx_rule,
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			 u8 mac_c[ETH_ALEN], u8 mac_v[ETH_ALEN])
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{
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	int match_header = (is_zero_ether_addr(mac_c) ? 0 :
			    MLX5_MATCH_OUTER_HEADERS);
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	struct mlx5_flow_rule *flow_rule = NULL;
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	struct mlx5_flow_destination dest;
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	struct mlx5_flow_spec *spec;
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	void *mv_misc = NULL;
	void *mc_misc = NULL;
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	u8 *dmac_v = NULL;
	u8 *dmac_c = NULL;
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	if (rx_rule)
		match_header |= MLX5_MATCH_MISC_PARAMETERS;
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	spec = mlx5_vzalloc(sizeof(*spec));
	if (!spec) {
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		pr_warn("FDB: Failed to alloc match parameters\n");
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		return NULL;
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	}
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	dmac_v = MLX5_ADDR_OF(fte_match_param, spec->match_value,
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			      outer_headers.dmac_47_16);
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	dmac_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria,
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			      outer_headers.dmac_47_16);

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	if (match_header & MLX5_MATCH_OUTER_HEADERS) {
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		ether_addr_copy(dmac_v, mac_v);
		ether_addr_copy(dmac_c, mac_c);
	}
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	if (match_header & MLX5_MATCH_MISC_PARAMETERS) {
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		mv_misc  = MLX5_ADDR_OF(fte_match_param, spec->match_value,
					misc_parameters);
		mc_misc  = MLX5_ADDR_OF(fte_match_param, spec->match_criteria,
					misc_parameters);
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		MLX5_SET(fte_match_set_misc, mv_misc, source_port, UPLINK_VPORT);
		MLX5_SET_TO_ONES(fte_match_set_misc, mc_misc, source_port);
	}

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	dest.type = MLX5_FLOW_DESTINATION_TYPE_VPORT;
	dest.vport_num = vport;

	esw_debug(esw->dev,
		  "\tFDB add rule dmac_v(%pM) dmac_c(%pM) -> vport(%d)\n",
		  dmac_v, dmac_c, vport);
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	spec->match_criteria_enable = match_header;
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	flow_rule =
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		mlx5_add_flow_rule(esw->fdb_table.fdb, spec,
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				   MLX5_FLOW_CONTEXT_ACTION_FWD_DEST,
				   0, &dest);
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	if (IS_ERR(flow_rule)) {
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		pr_warn(
			"FDB: Failed to add flow rule: dmac_v(%pM) dmac_c(%pM) -> vport(%d), err(%ld)\n",
			 dmac_v, dmac_c, vport, PTR_ERR(flow_rule));
		flow_rule = NULL;
	}
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	kvfree(spec);
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	return flow_rule;
}

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static struct mlx5_flow_rule *
esw_fdb_set_vport_rule(struct mlx5_eswitch *esw, u8 mac[ETH_ALEN], u32 vport)
{
	u8 mac_c[ETH_ALEN];

	eth_broadcast_addr(mac_c);
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	return __esw_fdb_set_vport_rule(esw, vport, false, mac_c, mac);
}

static struct mlx5_flow_rule *
esw_fdb_set_vport_allmulti_rule(struct mlx5_eswitch *esw, u32 vport)
{
	u8 mac_c[ETH_ALEN];
	u8 mac_v[ETH_ALEN];

	eth_zero_addr(mac_c);
	eth_zero_addr(mac_v);
	mac_c[0] = 0x01;
	mac_v[0] = 0x01;
	return __esw_fdb_set_vport_rule(esw, vport, false, mac_c, mac_v);
}

static struct mlx5_flow_rule *
esw_fdb_set_vport_promisc_rule(struct mlx5_eswitch *esw, u32 vport)
{
	u8 mac_c[ETH_ALEN];
	u8 mac_v[ETH_ALEN];

	eth_zero_addr(mac_c);
	eth_zero_addr(mac_v);
	return __esw_fdb_set_vport_rule(esw, vport, true, mac_c, mac_v);
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}

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static int esw_create_legacy_fdb_table(struct mlx5_eswitch *esw, int nvports)
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{
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	int inlen = MLX5_ST_SZ_BYTES(create_flow_group_in);
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	struct mlx5_core_dev *dev = esw->dev;
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	struct mlx5_flow_namespace *root_ns;
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	struct mlx5_flow_table *fdb;
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	struct mlx5_flow_group *g;
	void *match_criteria;
	int table_size;
	u32 *flow_group_in;
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	u8 *dmac;
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	int err = 0;
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	esw_debug(dev, "Create FDB log_max_size(%d)\n",
		  MLX5_CAP_ESW_FLOWTABLE_FDB(dev, log_max_ft_size));

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	root_ns = mlx5_get_flow_namespace(dev, MLX5_FLOW_NAMESPACE_FDB);
	if (!root_ns) {
		esw_warn(dev, "Failed to get FDB flow namespace\n");
		return -ENOMEM;
	}
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	flow_group_in = mlx5_vzalloc(inlen);
	if (!flow_group_in)
		return -ENOMEM;
	memset(flow_group_in, 0, inlen);

	table_size = BIT(MLX5_CAP_ESW_FLOWTABLE_FDB(dev, log_max_ft_size));
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	fdb = mlx5_create_flow_table(root_ns, 0, table_size, 0);
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	if (IS_ERR(fdb)) {
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		err = PTR_ERR(fdb);
		esw_warn(dev, "Failed to create FDB Table err %d\n", err);
		goto out;
	}
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	esw->fdb_table.fdb = fdb;
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	/* Addresses group : Full match unicast/multicast addresses */
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	MLX5_SET(create_flow_group_in, flow_group_in, match_criteria_enable,
		 MLX5_MATCH_OUTER_HEADERS);
	match_criteria = MLX5_ADDR_OF(create_flow_group_in, flow_group_in, match_criteria);
	dmac = MLX5_ADDR_OF(fte_match_param, match_criteria, outer_headers.dmac_47_16);
	MLX5_SET(create_flow_group_in, flow_group_in, start_flow_index, 0);
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	/* Preserve 2 entries for allmulti and promisc rules*/
	MLX5_SET(create_flow_group_in, flow_group_in, end_flow_index, table_size - 3);
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	eth_broadcast_addr(dmac);
	g = mlx5_create_flow_group(fdb, flow_group_in);
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	if (IS_ERR(g)) {
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		err = PTR_ERR(g);
		esw_warn(dev, "Failed to create flow group err(%d)\n", err);
		goto out;
	}
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	esw->fdb_table.legacy.addr_grp = g;
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	/* Allmulti group : One rule that forwards any mcast traffic */
	MLX5_SET(create_flow_group_in, flow_group_in, match_criteria_enable,
		 MLX5_MATCH_OUTER_HEADERS);
	MLX5_SET(create_flow_group_in, flow_group_in, start_flow_index, table_size - 2);
	MLX5_SET(create_flow_group_in, flow_group_in, end_flow_index, table_size - 2);
	eth_zero_addr(dmac);
	dmac[0] = 0x01;
	g = mlx5_create_flow_group(fdb, flow_group_in);
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	if (IS_ERR(g)) {
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		err = PTR_ERR(g);
		esw_warn(dev, "Failed to create allmulti flow group err(%d)\n", err);
		goto out;
	}
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	esw->fdb_table.legacy.allmulti_grp = g;
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	/* Promiscuous group :
	 * One rule that forward all unmatched traffic from previous groups
	 */
	eth_zero_addr(dmac);
	MLX5_SET(create_flow_group_in, flow_group_in, match_criteria_enable,
		 MLX5_MATCH_MISC_PARAMETERS);
	MLX5_SET_TO_ONES(fte_match_param, match_criteria, misc_parameters.source_port);
	MLX5_SET(create_flow_group_in, flow_group_in, start_flow_index, table_size - 1);
	MLX5_SET(create_flow_group_in, flow_group_in, end_flow_index, table_size - 1);
	g = mlx5_create_flow_group(fdb, flow_group_in);
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	if (IS_ERR(g)) {
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		err = PTR_ERR(g);
		esw_warn(dev, "Failed to create promisc flow group err(%d)\n", err);
		goto out;
	}
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	esw->fdb_table.legacy.promisc_grp = g;
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out:
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	if (err) {
473
474
475
		if (!IS_ERR_OR_NULL(esw->fdb_table.legacy.allmulti_grp)) {
			mlx5_destroy_flow_group(esw->fdb_table.legacy.allmulti_grp);
			esw->fdb_table.legacy.allmulti_grp = NULL;
476
		}
477
478
479
		if (!IS_ERR_OR_NULL(esw->fdb_table.legacy.addr_grp)) {
			mlx5_destroy_flow_group(esw->fdb_table.legacy.addr_grp);
			esw->fdb_table.legacy.addr_grp = NULL;
480
481
482
483
484
485
486
		}
		if (!IS_ERR_OR_NULL(esw->fdb_table.fdb)) {
			mlx5_destroy_flow_table(esw->fdb_table.fdb);
			esw->fdb_table.fdb = NULL;
		}
	}

487
	kvfree(flow_group_in);
488
	return err;
489
490
}

491
static void esw_destroy_legacy_fdb_table(struct mlx5_eswitch *esw)
492
493
494
495
{
	if (!esw->fdb_table.fdb)
		return;

496
	esw_debug(esw->dev, "Destroy FDB Table\n");
497
498
499
	mlx5_destroy_flow_group(esw->fdb_table.legacy.promisc_grp);
	mlx5_destroy_flow_group(esw->fdb_table.legacy.allmulti_grp);
	mlx5_destroy_flow_group(esw->fdb_table.legacy.addr_grp);
500
501
	mlx5_destroy_flow_table(esw->fdb_table.fdb);
	esw->fdb_table.fdb = NULL;
502
503
504
	esw->fdb_table.legacy.addr_grp = NULL;
	esw->fdb_table.legacy.allmulti_grp = NULL;
	esw->fdb_table.legacy.promisc_grp = NULL;
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
}

/* E-Switch vport UC/MC lists management */
typedef int (*vport_addr_action)(struct mlx5_eswitch *esw,
				 struct vport_addr *vaddr);

static int esw_add_uc_addr(struct mlx5_eswitch *esw, struct vport_addr *vaddr)
{
	struct hlist_head *hash = esw->l2_table.l2_hash;
	struct esw_uc_addr *esw_uc;
	u8 *mac = vaddr->node.addr;
	u32 vport = vaddr->vport;
	int err;

	esw_uc = l2addr_hash_find(hash, mac, struct esw_uc_addr);
	if (esw_uc) {
521
522
		esw_warn(esw->dev,
			 "Failed to set L2 mac(%pM) for vport(%d), mac is already in use by vport(%d)\n",
523
			 mac, vport, esw_uc->vport);
524
525
526
		return -EEXIST;
	}

527
528
	esw_uc = l2addr_hash_add(hash, mac, struct esw_uc_addr, GFP_KERNEL);
	if (!esw_uc)
529
		return -ENOMEM;
530
	esw_uc->vport = vport;
531

532
	err = set_l2_table_entry(esw->dev, mac, 0, 0, &esw_uc->table_index);
533
	if (err)
534
535
		goto abort;

536
537
	/* SRIOV is enabled: Forward UC MAC to vport */
	if (esw->fdb_table.fdb && esw->mode == SRIOV_LEGACY)
538
539
540
541
542
543
544
		vaddr->flow_rule = esw_fdb_set_vport_rule(esw, mac, vport);

	esw_debug(esw->dev, "\tADDED UC MAC: vport[%d] %pM index:%d fr(%p)\n",
		  vport, mac, esw_uc->table_index, vaddr->flow_rule);
	return err;
abort:
	l2addr_hash_del(esw_uc);
545
546
547
	return err;
}

548
static int esw_del_uc_addr(struct mlx5_eswitch *esw, struct vport_addr *vaddr)
549
{
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
	struct hlist_head *hash = esw->l2_table.l2_hash;
	struct esw_uc_addr *esw_uc;
	u8 *mac = vaddr->node.addr;
	u32 vport = vaddr->vport;

	esw_uc = l2addr_hash_find(hash, mac, struct esw_uc_addr);
	if (!esw_uc || esw_uc->vport != vport) {
		esw_debug(esw->dev,
			  "MAC(%pM) doesn't belong to vport (%d)\n",
			  mac, vport);
		return -EINVAL;
	}
	esw_debug(esw->dev, "\tDELETE UC MAC: vport[%d] %pM index:%d fr(%p)\n",
		  vport, mac, esw_uc->table_index, vaddr->flow_rule);

	del_l2_table_entry(esw->dev, esw_uc->table_index);

	if (vaddr->flow_rule)
568
		mlx5_del_flow_rule(vaddr->flow_rule);
569
570
571
572
573
574
	vaddr->flow_rule = NULL;

	l2addr_hash_del(esw_uc);
	return 0;
}

575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
static void update_allmulti_vports(struct mlx5_eswitch *esw,
				   struct vport_addr *vaddr,
				   struct esw_mc_addr *esw_mc)
{
	u8 *mac = vaddr->node.addr;
	u32 vport_idx = 0;

	for (vport_idx = 0; vport_idx < esw->total_vports; vport_idx++) {
		struct mlx5_vport *vport = &esw->vports[vport_idx];
		struct hlist_head *vport_hash = vport->mc_list;
		struct vport_addr *iter_vaddr =
					l2addr_hash_find(vport_hash,
							 mac,
							 struct vport_addr);
		if (IS_ERR_OR_NULL(vport->allmulti_rule) ||
		    vaddr->vport == vport_idx)
			continue;
		switch (vaddr->action) {
		case MLX5_ACTION_ADD:
			if (iter_vaddr)
				continue;
			iter_vaddr = l2addr_hash_add(vport_hash, mac,
						     struct vport_addr,
						     GFP_KERNEL);
			if (!iter_vaddr) {
				esw_warn(esw->dev,
					 "ALL-MULTI: Failed to add MAC(%pM) to vport[%d] DB\n",
					 mac, vport_idx);
				continue;
			}
			iter_vaddr->vport = vport_idx;
			iter_vaddr->flow_rule =
					esw_fdb_set_vport_rule(esw,
							       mac,
							       vport_idx);
610
			iter_vaddr->mc_promisc = true;
611
612
613
614
615
616
617
618
619
620
621
			break;
		case MLX5_ACTION_DEL:
			if (!iter_vaddr)
				continue;
			mlx5_del_flow_rule(iter_vaddr->flow_rule);
			l2addr_hash_del(iter_vaddr);
			break;
		}
	}
}

622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
static int esw_add_mc_addr(struct mlx5_eswitch *esw, struct vport_addr *vaddr)
{
	struct hlist_head *hash = esw->mc_table;
	struct esw_mc_addr *esw_mc;
	u8 *mac = vaddr->node.addr;
	u32 vport = vaddr->vport;

	if (!esw->fdb_table.fdb)
		return 0;

	esw_mc = l2addr_hash_find(hash, mac, struct esw_mc_addr);
	if (esw_mc)
		goto add;

	esw_mc = l2addr_hash_add(hash, mac, struct esw_mc_addr, GFP_KERNEL);
	if (!esw_mc)
		return -ENOMEM;

	esw_mc->uplink_rule = /* Forward MC MAC to Uplink */
		esw_fdb_set_vport_rule(esw, mac, UPLINK_VPORT);
642
643
644
645

	/* Add this multicast mac to all the mc promiscuous vports */
	update_allmulti_vports(esw, vaddr, esw_mc);

646
add:
647
648
649
650
651
652
	/* If the multicast mac is added as a result of mc promiscuous vport,
	 * don't increment the multicast ref count
	 */
	if (!vaddr->mc_promisc)
		esw_mc->refcnt++;

653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
	/* Forward MC MAC to vport */
	vaddr->flow_rule = esw_fdb_set_vport_rule(esw, mac, vport);
	esw_debug(esw->dev,
		  "\tADDED MC MAC: vport[%d] %pM fr(%p) refcnt(%d) uplinkfr(%p)\n",
		  vport, mac, vaddr->flow_rule,
		  esw_mc->refcnt, esw_mc->uplink_rule);
	return 0;
}

static int esw_del_mc_addr(struct mlx5_eswitch *esw, struct vport_addr *vaddr)
{
	struct hlist_head *hash = esw->mc_table;
	struct esw_mc_addr *esw_mc;
	u8 *mac = vaddr->node.addr;
	u32 vport = vaddr->vport;
668

669
670
671
672
673
674
675
	if (!esw->fdb_table.fdb)
		return 0;

	esw_mc = l2addr_hash_find(hash, mac, struct esw_mc_addr);
	if (!esw_mc) {
		esw_warn(esw->dev,
			 "Failed to find eswitch MC addr for MAC(%pM) vport(%d)",
676
677
678
			 mac, vport);
		return -EINVAL;
	}
679
680
681
682
683
684
	esw_debug(esw->dev,
		  "\tDELETE MC MAC: vport[%d] %pM fr(%p) refcnt(%d) uplinkfr(%p)\n",
		  vport, mac, vaddr->flow_rule, esw_mc->refcnt,
		  esw_mc->uplink_rule);

	if (vaddr->flow_rule)
685
		mlx5_del_flow_rule(vaddr->flow_rule);
686
687
	vaddr->flow_rule = NULL;

688
689
690
691
	/* If the multicast mac is added as a result of mc promiscuous vport,
	 * don't decrement the multicast ref count.
	 */
	if (vaddr->mc_promisc || (--esw_mc->refcnt > 0))
692
		return 0;
693

694
695
696
	/* Remove this multicast mac from all the mc promiscuous vports */
	update_allmulti_vports(esw, vaddr, esw_mc);

697
	if (esw_mc->uplink_rule)
698
		mlx5_del_flow_rule(esw_mc->uplink_rule);
699
700

	l2addr_hash_del(esw_mc);
701
702
703
	return 0;
}

704
705
706
/* Apply vport UC/MC list to HW l2 table and FDB table */
static void esw_apply_vport_addr_list(struct mlx5_eswitch *esw,
				      u32 vport_num, int list_type)
707
708
{
	struct mlx5_vport *vport = &esw->vports[vport_num];
709
710
711
712
	bool is_uc = list_type == MLX5_NVPRT_LIST_TYPE_UC;
	vport_addr_action vport_addr_add;
	vport_addr_action vport_addr_del;
	struct vport_addr *addr;
713
714
715
716
717
	struct l2addr_node *node;
	struct hlist_head *hash;
	struct hlist_node *tmp;
	int hi;

718
719
720
721
722
723
	vport_addr_add = is_uc ? esw_add_uc_addr :
				 esw_add_mc_addr;
	vport_addr_del = is_uc ? esw_del_uc_addr :
				 esw_del_mc_addr;

	hash = is_uc ? vport->uc_list : vport->mc_list;
724
	for_each_l2hash_node(node, tmp, hash, hi) {
725
		addr = container_of(node, struct vport_addr, node);
726
727
		switch (addr->action) {
		case MLX5_ACTION_ADD:
728
			vport_addr_add(esw, addr);
729
730
731
			addr->action = MLX5_ACTION_NONE;
			break;
		case MLX5_ACTION_DEL:
732
			vport_addr_del(esw, addr);
733
734
735
736
737
738
			l2addr_hash_del(addr);
			break;
		}
	}
}

739
740
741
/* Sync vport UC/MC list from vport context */
static void esw_update_vport_addr_list(struct mlx5_eswitch *esw,
				       u32 vport_num, int list_type)
742
743
{
	struct mlx5_vport *vport = &esw->vports[vport_num];
744
	bool is_uc = list_type == MLX5_NVPRT_LIST_TYPE_UC;
745
	u8 (*mac_list)[ETH_ALEN];
746
747
	struct l2addr_node *node;
	struct vport_addr *addr;
748
749
750
751
752
753
754
	struct hlist_head *hash;
	struct hlist_node *tmp;
	int size;
	int err;
	int hi;
	int i;

755
756
	size = is_uc ? MLX5_MAX_UC_PER_VPORT(esw->dev) :
		       MLX5_MAX_MC_PER_VPORT(esw->dev);
757
758
759
760
761

	mac_list = kcalloc(size, ETH_ALEN, GFP_KERNEL);
	if (!mac_list)
		return;

762
	hash = is_uc ? vport->uc_list : vport->mc_list;
763
764

	for_each_l2hash_node(node, tmp, hash, hi) {
765
		addr = container_of(node, struct vport_addr, node);
766
767
768
		addr->action = MLX5_ACTION_DEL;
	}

769
770
771
	if (!vport->enabled)
		goto out;

772
	err = mlx5_query_nic_vport_mac_list(esw->dev, vport_num, list_type,
773
774
					    mac_list, &size);
	if (err)
775
		goto out;
776
777
	esw_debug(esw->dev, "vport[%d] context update %s list size (%d)\n",
		  vport_num, is_uc ? "UC" : "MC", size);
778
779

	for (i = 0; i < size; i++) {
780
		if (is_uc && !is_valid_ether_addr(mac_list[i]))
781
782
			continue;

783
784
785
786
		if (!is_uc && !is_multicast_ether_addr(mac_list[i]))
			continue;

		addr = l2addr_hash_find(hash, mac_list[i], struct vport_addr);
787
788
		if (addr) {
			addr->action = MLX5_ACTION_NONE;
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
			/* If this mac was previously added because of allmulti
			 * promiscuous rx mode, its now converted to be original
			 * vport mac.
			 */
			if (addr->mc_promisc) {
				struct esw_mc_addr *esw_mc =
					l2addr_hash_find(esw->mc_table,
							 mac_list[i],
							 struct esw_mc_addr);
				if (!esw_mc) {
					esw_warn(esw->dev,
						 "Failed to MAC(%pM) in mcast DB\n",
						 mac_list[i]);
					continue;
				}
				esw_mc->refcnt++;
				addr->mc_promisc = false;
			}
807
808
809
			continue;
		}

810
		addr = l2addr_hash_add(hash, mac_list[i], struct vport_addr,
811
812
813
814
815
816
817
				       GFP_KERNEL);
		if (!addr) {
			esw_warn(esw->dev,
				 "Failed to add MAC(%pM) to vport[%d] DB\n",
				 mac_list[i], vport_num);
			continue;
		}
818
		addr->vport = vport_num;
819
820
		addr->action = MLX5_ACTION_ADD;
	}
821
out:
822
823
824
	kfree(mac_list);
}

825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
/* Sync vport UC/MC list from vport context
 * Must be called after esw_update_vport_addr_list
 */
static void esw_update_vport_mc_promisc(struct mlx5_eswitch *esw, u32 vport_num)
{
	struct mlx5_vport *vport = &esw->vports[vport_num];
	struct l2addr_node *node;
	struct vport_addr *addr;
	struct hlist_head *hash;
	struct hlist_node *tmp;
	int hi;

	hash = vport->mc_list;

	for_each_l2hash_node(node, tmp, esw->mc_table, hi) {
		u8 *mac = node->addr;

		addr = l2addr_hash_find(hash, mac, struct vport_addr);
		if (addr) {
			if (addr->action == MLX5_ACTION_DEL)
				addr->action = MLX5_ACTION_NONE;
			continue;
		}
		addr = l2addr_hash_add(hash, mac, struct vport_addr,
				       GFP_KERNEL);
		if (!addr) {
			esw_warn(esw->dev,
				 "Failed to add allmulti MAC(%pM) to vport[%d] DB\n",
				 mac, vport_num);
			continue;
		}
		addr->vport = vport_num;
		addr->action = MLX5_ACTION_ADD;
		addr->mc_promisc = true;
	}
}

/* Apply vport rx mode to HW FDB table */
static void esw_apply_vport_rx_mode(struct mlx5_eswitch *esw, u32 vport_num,
				    bool promisc, bool mc_promisc)
{
	struct esw_mc_addr *allmulti_addr = esw->mc_promisc;
	struct mlx5_vport *vport = &esw->vports[vport_num];

	if (IS_ERR_OR_NULL(vport->allmulti_rule) != mc_promisc)
		goto promisc;

	if (mc_promisc) {
		vport->allmulti_rule =
				esw_fdb_set_vport_allmulti_rule(esw, vport_num);
		if (!allmulti_addr->uplink_rule)
			allmulti_addr->uplink_rule =
				esw_fdb_set_vport_allmulti_rule(esw,
								UPLINK_VPORT);
		allmulti_addr->refcnt++;
	} else if (vport->allmulti_rule) {
		mlx5_del_flow_rule(vport->allmulti_rule);
		vport->allmulti_rule = NULL;

		if (--allmulti_addr->refcnt > 0)
			goto promisc;

		if (allmulti_addr->uplink_rule)
			mlx5_del_flow_rule(allmulti_addr->uplink_rule);
		allmulti_addr->uplink_rule = NULL;
	}

promisc:
	if (IS_ERR_OR_NULL(vport->promisc_rule) != promisc)
		return;

	if (promisc) {
		vport->promisc_rule = esw_fdb_set_vport_promisc_rule(esw,
								     vport_num);
	} else if (vport->promisc_rule) {
		mlx5_del_flow_rule(vport->promisc_rule);
		vport->promisc_rule = NULL;
	}
}

/* Sync vport rx mode from vport context */
static void esw_update_vport_rx_mode(struct mlx5_eswitch *esw, u32 vport_num)
{
	struct mlx5_vport *vport = &esw->vports[vport_num];
	int promisc_all = 0;
	int promisc_uc = 0;
	int promisc_mc = 0;
	int err;

	err = mlx5_query_nic_vport_promisc(esw->dev,
					   vport_num,
					   &promisc_uc,
					   &promisc_mc,
					   &promisc_all);
	if (err)
		return;
	esw_debug(esw->dev, "vport[%d] context update rx mode promisc_all=%d, all_multi=%d\n",
		  vport_num, promisc_all, promisc_mc);

	if (!vport->trusted || !vport->enabled) {
		promisc_uc = 0;
		promisc_mc = 0;
		promisc_all = 0;
	}

	esw_apply_vport_rx_mode(esw, vport_num, promisc_all,
				(promisc_all || promisc_mc));
}

934
static void esw_vport_change_handle_locked(struct mlx5_vport *vport)
935
936
{
	struct mlx5_core_dev *dev = vport->dev;
937
	struct mlx5_eswitch *esw = dev->priv.eswitch;
938
939
940
	u8 mac[ETH_ALEN];

	mlx5_query_nic_vport_mac_address(dev, vport->vport, mac);
941
942
943
944
945
946
947
948
949
	esw_debug(dev, "vport[%d] Context Changed: perm mac: %pM\n",
		  vport->vport, mac);

	if (vport->enabled_events & UC_ADDR_CHANGE) {
		esw_update_vport_addr_list(esw, vport->vport,
					   MLX5_NVPRT_LIST_TYPE_UC);
		esw_apply_vport_addr_list(esw, vport->vport,
					  MLX5_NVPRT_LIST_TYPE_UC);
	}
950

951
952
953
	if (vport->enabled_events & MC_ADDR_CHANGE) {
		esw_update_vport_addr_list(esw, vport->vport,
					   MLX5_NVPRT_LIST_TYPE_MC);
954
955
956
957
958
959
960
961
962
	}

	if (vport->enabled_events & PROMISC_CHANGE) {
		esw_update_vport_rx_mode(esw, vport->vport);
		if (!IS_ERR_OR_NULL(vport->allmulti_rule))
			esw_update_vport_mc_promisc(esw, vport->vport);
	}

	if (vport->enabled_events & (PROMISC_CHANGE | MC_ADDR_CHANGE)) {
963
964
965
		esw_apply_vport_addr_list(esw, vport->vport,
					  MLX5_NVPRT_LIST_TYPE_MC);
	}
966

967
	esw_debug(esw->dev, "vport[%d] Context Changed: Done\n", vport->vport);
968
969
	if (vport->enabled)
		arm_vport_context_events_cmd(dev, vport->vport,
970
					     vport->enabled_events);
971
972
}

973
974
975
976
977
978
979
980
981
982
983
static void esw_vport_change_handler(struct work_struct *work)
{
	struct mlx5_vport *vport =
		container_of(work, struct mlx5_vport, vport_change_handler);
	struct mlx5_eswitch *esw = vport->dev->priv.eswitch;

	mutex_lock(&esw->state_lock);
	esw_vport_change_handle_locked(vport);
	mutex_unlock(&esw->state_lock);
}

984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
static void esw_vport_enable_egress_acl(struct mlx5_eswitch *esw,
					struct mlx5_vport *vport)
{
	int inlen = MLX5_ST_SZ_BYTES(create_flow_group_in);
	struct mlx5_flow_group *vlan_grp = NULL;
	struct mlx5_flow_group *drop_grp = NULL;
	struct mlx5_core_dev *dev = esw->dev;
	struct mlx5_flow_namespace *root_ns;
	struct mlx5_flow_table *acl;
	void *match_criteria;
	u32 *flow_group_in;
	/* The egress acl table contains 2 rules:
	 * 1)Allow traffic with vlan_tag=vst_vlan_id
	 * 2)Drop all other traffic.
	 */
	int table_size = 2;
	int err = 0;

1002
1003
	if (!MLX5_CAP_ESW_EGRESS_ACL(dev, ft_support) ||
	    !IS_ERR_OR_NULL(vport->egress.acl))
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
		return;

	esw_debug(dev, "Create vport[%d] egress ACL log_max_size(%d)\n",
		  vport->vport, MLX5_CAP_ESW_EGRESS_ACL(dev, log_max_ft_size));

	root_ns = mlx5_get_flow_namespace(dev, MLX5_FLOW_NAMESPACE_ESW_EGRESS);
	if (!root_ns) {
		esw_warn(dev, "Failed to get E-Switch egress flow namespace\n");
		return;
	}

	flow_group_in = mlx5_vzalloc(inlen);
	if (!flow_group_in)
		return;

	acl = mlx5_create_vport_flow_table(root_ns, 0, table_size, 0, vport->vport);
1020
	if (IS_ERR(acl)) {
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
		err = PTR_ERR(acl);
		esw_warn(dev, "Failed to create E-Switch vport[%d] egress flow Table, err(%d)\n",
			 vport->vport, err);
		goto out;
	}

	MLX5_SET(create_flow_group_in, flow_group_in, match_criteria_enable, MLX5_MATCH_OUTER_HEADERS);
	match_criteria = MLX5_ADDR_OF(create_flow_group_in, flow_group_in, match_criteria);
	MLX5_SET_TO_ONES(fte_match_param, match_criteria, outer_headers.vlan_tag);
	MLX5_SET_TO_ONES(fte_match_param, match_criteria, outer_headers.first_vid);
	MLX5_SET(create_flow_group_in, flow_group_in, start_flow_index, 0);
	MLX5_SET(create_flow_group_in, flow_group_in, end_flow_index, 0);

	vlan_grp = mlx5_create_flow_group(acl, flow_group_in);
1035
	if (IS_ERR(vlan_grp)) {
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
		err = PTR_ERR(vlan_grp);
		esw_warn(dev, "Failed to create E-Switch vport[%d] egress allowed vlans flow group, err(%d)\n",
			 vport->vport, err);
		goto out;
	}

	memset(flow_group_in, 0, inlen);
	MLX5_SET(create_flow_group_in, flow_group_in, start_flow_index, 1);
	MLX5_SET(create_flow_group_in, flow_group_in, end_flow_index, 1);
	drop_grp = mlx5_create_flow_group(acl, flow_group_in);
1046
	if (IS_ERR(drop_grp)) {
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
		err = PTR_ERR(drop_grp);
		esw_warn(dev, "Failed to create E-Switch vport[%d] egress drop flow group, err(%d)\n",
			 vport->vport, err);
		goto out;
	}

	vport->egress.acl = acl;
	vport->egress.drop_grp = drop_grp;
	vport->egress.allowed_vlans_grp = vlan_grp;
out:
1057
	kvfree(flow_group_in);
1058
1059
1060
1061
1062
1063
	if (err && !IS_ERR_OR_NULL(vlan_grp))
		mlx5_destroy_flow_group(vlan_grp);
	if (err && !IS_ERR_OR_NULL(acl))
		mlx5_destroy_flow_table(acl);
}

1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
static void esw_vport_cleanup_egress_rules(struct mlx5_eswitch *esw,
					   struct mlx5_vport *vport)
{
	if (!IS_ERR_OR_NULL(vport->egress.allowed_vlan))
		mlx5_del_flow_rule(vport->egress.allowed_vlan);

	if (!IS_ERR_OR_NULL(vport->egress.drop_rule))
		mlx5_del_flow_rule(vport->egress.drop_rule);

	vport->egress.allowed_vlan = NULL;
	vport->egress.drop_rule = NULL;
}

1077
1078
1079
1080
1081
1082
1083
1084
static void esw_vport_disable_egress_acl(struct mlx5_eswitch *esw,
					 struct mlx5_vport *vport)
{
	if (IS_ERR_OR_NULL(vport->egress.acl))
		return;

	esw_debug(esw->dev, "Destroy vport[%d] E-Switch egress ACL\n", vport->vport);

1085
	esw_vport_cleanup_egress_rules(esw, vport);
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
	mlx5_destroy_flow_group(vport->egress.allowed_vlans_grp);
	mlx5_destroy_flow_group(vport->egress.drop_grp);
	mlx5_destroy_flow_table(vport->egress.acl);
	vport->egress.allowed_vlans_grp = NULL;
	vport->egress.drop_grp = NULL;
	vport->egress.acl = NULL;
}

static void esw_vport_enable_ingress_acl(struct mlx5_eswitch *esw,
					 struct mlx5_vport *vport)
{
	int inlen = MLX5_ST_SZ_BYTES(create_flow_group_in);
	struct mlx5_core_dev *dev = esw->dev;
	struct mlx5_flow_namespace *root_ns;
	struct mlx5_flow_table *acl;
	struct mlx5_flow_group *g;
	void *match_criteria;
	u32 *flow_group_in;
	/* The ingress acl table contains 4 groups
	 * (2 active rules at the same time -
	 *      1 allow rule from one of the first 3 groups.
	 *      1 drop rule from the last group):
	 * 1)Allow untagged traffic with smac=original mac.
	 * 2)Allow untagged traffic.
	 * 3)Allow traffic with smac=original mac.
	 * 4)Drop all other traffic.
	 */
	int table_size = 4;
	int err = 0;

1116
1117
	if (!MLX5_CAP_ESW_INGRESS_ACL(dev, ft_support) ||
	    !IS_ERR_OR_NULL(vport->ingress.acl))
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
		return;

	esw_debug(dev, "Create vport[%d] ingress ACL log_max_size(%d)\n",
		  vport->vport, MLX5_CAP_ESW_INGRESS_ACL(dev, log_max_ft_size));

	root_ns = mlx5_get_flow_namespace(dev, MLX5_FLOW_NAMESPACE_ESW_INGRESS);
	if (!root_ns) {
		esw_warn(dev, "Failed to get E-Switch ingress flow namespace\n");
		return;
	}

	flow_group_in = mlx5_vzalloc(inlen);
	if (!flow_group_in)
		return;

	acl = mlx5_create_vport_flow_table(root_ns, 0, table_size, 0, vport->vport);
1134
	if (IS_ERR(acl)) {
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
		err = PTR_ERR(acl);
		esw_warn(dev, "Failed to create E-Switch vport[%d] ingress flow Table, err(%d)\n",
			 vport->vport, err);
		goto out;
	}
	vport->ingress.acl = acl;

	match_criteria = MLX5_ADDR_OF(create_flow_group_in, flow_group_in, match_criteria);

	MLX5_SET(create_flow_group_in, flow_group_in, match_criteria_enable, MLX5_MATCH_OUTER_HEADERS);
	MLX5_SET_TO_ONES(fte_match_param, match_criteria, outer_headers.vlan_tag);
	MLX5_SET_TO_ONES(fte_match_param, match_criteria, outer_headers.smac_47_16);
	MLX5_SET_TO_ONES(fte_match_param, match_criteria, outer_headers.smac_15_0);
	MLX5_SET(create_flow_group_in, flow_group_in, start_flow_index, 0);
	MLX5_SET(create_flow_group_in, flow_group_in, end_flow_index, 0);

	g = mlx5_create_flow_group(acl, flow_group_in);
1152
	if (IS_ERR(g)) {
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
		err = PTR_ERR(g);
		esw_warn(dev, "Failed to create E-Switch vport[%d] ingress untagged spoofchk flow group, err(%d)\n",
			 vport->vport, err);
		goto out;
	}
	vport->ingress.allow_untagged_spoofchk_grp = g;

	memset(flow_group_in, 0, inlen);
	MLX5_SET(create_flow_group_in, flow_group_in, match_criteria_enable, MLX5_MATCH_OUTER_HEADERS);
	MLX5_SET_TO_ONES(fte_match_param, match_criteria, outer_headers.vlan_tag);
	MLX5_SET(create_flow_group_in, flow_group_in, start_flow_index, 1);
	MLX5_SET(create_flow_group_in, flow_group_in, end_flow_index, 1);

	g = mlx5_create_flow_group(acl, flow_group_in);
1167
	if (IS_ERR(g)) {
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182
		err = PTR_ERR(g);
		esw_warn(dev, "Failed to create E-Switch vport[%d] ingress untagged flow group, err(%d)\n",
			 vport->vport, err);
		goto out;
	}
	vport->ingress.allow_untagged_only_grp = g;

	memset(flow_group_in, 0, inlen);
	MLX5_SET(create_flow_group_in, flow_group_in, match_criteria_enable, MLX5_MATCH_OUTER_HEADERS);
	MLX5_SET_TO_ONES(fte_match_param, match_criteria, outer_headers.smac_47_16);
	MLX5_SET_TO_ONES(fte_match_param, match_criteria, outer_headers.smac_15_0);
	MLX5_SET(create_flow_group_in, flow_group_in, start_flow_index, 2);
	MLX5_SET(create_flow_group_in, flow_group_in, end_flow_index, 2);

	g = mlx5_create_flow_group(acl, flow_group_in);
1183
	if (IS_ERR(g)) {
1184
1185
1186
1187
1188
1189
1190
1191
1192
1193
1194
1195
		err = PTR_ERR(g);
		esw_warn(dev, "Failed to create E-Switch vport[%d] ingress spoofchk flow group, err(%d)\n",
			 vport->vport, err);
		goto out;
	}
	vport->ingress.allow_spoofchk_only_grp = g;

	memset(flow_group_in, 0, inlen);
	MLX5_SET(create_flow_group_in, flow_group_in, start_flow_index, 3);
	MLX5_SET(create_flow_group_in, flow_group_in, end_flow_index, 3);

	g = mlx5_create_flow_group(acl, flow_group_in);
1196
	if (IS_ERR(g)) {
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
1207
1208
1209
1210
1211
1212
1213
1214
1215
1216
1217
1218
		err = PTR_ERR(g);
		esw_warn(dev, "Failed to create E-Switch vport[%d] ingress drop flow group, err(%d)\n",
			 vport->vport, err);
		goto out;
	}
	vport->ingress.drop_grp = g;

out:
	if (err) {
		if (!IS_ERR_OR_NULL(vport->ingress.allow_spoofchk_only_grp))
			mlx5_destroy_flow_group(
					vport->ingress.allow_spoofchk_only_grp);
		if (!IS_ERR_OR_NULL(vport->ingress.allow_untagged_only_grp))
			mlx5_destroy_flow_group(
					vport->ingress.allow_untagged_only_grp);
		if (!IS_ERR_OR_NULL(vport->ingress.allow_untagged_spoofchk_grp))
			mlx5_destroy_flow_group(
				vport->ingress.allow_untagged_spoofchk_grp);
		if (!IS_ERR_OR_NULL(vport->ingress.acl))
			mlx5_destroy_flow_table(vport->ingress.acl);
	}

1219
	kvfree(flow_group_in);
1220
1221
}

1222
1223
1224
1225
1226
static void esw_vport_cleanup_ingress_rules(struct mlx5_eswitch *esw,
					    struct mlx5_vport *vport)
{
	if (!IS_ERR_OR_NULL(vport->ingress.drop_rule))
		mlx5_del_flow_rule(vport->ingress.drop_rule);
1227
1228
1229
1230

	if (!IS_ERR_OR_NULL(vport->ingress.allow_rule))
		mlx5_del_flow_rule(vport->ingress.allow_rule);

1231
	vport->ingress.drop_rule = NULL;
1232
	vport->ingress.allow_rule = NULL;
1233
1234
}

1235
1236
1237
1238
1239
1240
1241
1242
static void esw_vport_disable_ingress_acl(struct mlx5_eswitch *esw,
					  struct mlx5_vport *vport)
{
	if (IS_ERR_OR_NULL(vport->ingress.acl))
		return;

	esw_debug(esw->dev, "Destroy vport[%d] E-Switch ingress ACL\n", vport->vport);

1243
	esw_vport_cleanup_ingress_rules(esw, vport);
1244
1245
1246
1247
1248
1249
1250
1251
1252
1253
1254
1255
	mlx5_destroy_flow_group(vport->ingress.allow_spoofchk_only_grp);
	mlx5_destroy_flow_group(vport->ingress.allow_untagged_only_grp);
	mlx5_destroy_flow_group(vport->ingress.allow_untagged_spoofchk_grp);
	mlx5_destroy_flow_group(vport->ingress.drop_grp);
	mlx5_destroy_flow_table(vport->ingress.acl);
	vport->ingress.acl = NULL;
	vport->ingress.drop_grp = NULL;
	vport->ingress.allow_spoofchk_only_grp = NULL;
	vport->ingress.allow_untagged_only_grp = NULL;
	vport->ingress.allow_untagged_spoofchk_grp = NULL;
}

1256
1257
1258
static int esw_vport_ingress_config(struct mlx5_eswitch *esw,
				    struct mlx5_vport *vport)
{
1259
	struct mlx5_flow_spec *spec;
1260
	u8 smac[ETH_ALEN];
1261
	int err = 0;
1262
	u8 *smac_v;
1263

1264
1265
1266
1267
1268
1269
1270
1271
1272
1273
1274
1275
1276
1277
1278
1279
1280
	if (vport->spoofchk) {
		err = mlx5_query_nic_vport_mac_address(esw->dev, vport->vport, smac);
		if (err) {
			esw_warn(esw->dev,
				 "vport[%d] configure ingress rules failed, query smac failed, err(%d)\n",
				 vport->vport, err);
			return err;
		}

		if (!is_valid_ether_addr(smac)) {
			mlx5_core_warn(esw->dev,
				       "vport[%d] configure ingress rules failed, illegal mac with spoofchk\n",
				       vport->vport);
			return -EPERM;
		}
	}

1281
1282
	esw_vport_cleanup_ingress_rules(esw, vport);

1283
1284
	if (!vport->vlan && !vport->qos && !vport->spoofchk) {
		esw_vport_disable_ingress_acl(esw, vport);
1285
		return 0;
1286
1287
1288
	}

	esw_vport_enable_ingress_acl(esw, vport);
1289
1290
1291
1292
1293

	esw_debug(esw->dev,
		  "vport[%d] configure ingress rules, vlan(%d) qos(%d)\n",
		  vport->vport, vport->vlan, vport->qos);

1294
1295
	spec = mlx5_vzalloc(sizeof(*spec));
	if (!spec) {
1296
1297
1298
1299
1300
1301
		err = -ENOMEM;
		esw_warn(esw->dev, "vport[%d] configure ingress rules failed, err(%d)\n",
			 vport->vport, err);
		goto out;
	}

1302
	if (vport->vlan || vport->qos)
1303
		MLX5_SET_TO_ONES(fte_match_param, spec->match_criteria, outer_headers.vlan_tag);
1304
1305

	if (vport->spoofchk) {
1306
1307
		MLX5_SET_TO_ONES(fte_match_param, spec->match_criteria, outer_headers.smac_47_16);
		MLX5_SET_TO_ONES(fte_match_param, spec->match_criteria, outer_headers.smac_15_0);
1308
		smac_v = MLX5_ADDR_OF(fte_match_param,
1309
				      spec->match_value,
1310
1311
1312
1313
				      outer_headers.smac_47_16);
		ether_addr_copy(smac_v, smac);
	}

1314
	spec->match_criteria_enable = MLX5_MATCH_OUTER_HEADERS;
1315
	vport->ingress.allow_rule =
1316
		mlx5_add_flow_rule(vport->ingress.acl, spec,
1317
1318
				   MLX5_FLOW_CONTEXT_ACTION_ALLOW,
				   0, NULL);
1319
	if (IS_ERR(vport->ingress.allow_rule)) {
1320
1321
1322
1323
1324
1325
1326
		err = PTR_ERR(vport->ingress.allow_rule);
		pr_warn("vport[%d] configure ingress allow rule, err(%d)\n",
			vport->vport, err);
		vport->ingress.allow_rule = NULL;
		goto out;
	}

1327
	memset(spec, 0, sizeof(*spec));
1328
	vport->ingress.drop_rule =
1329
		mlx5_add_flow_rule(vport->ingress.acl, spec,
1330
1331
				   MLX5_FLOW_CONTEXT_ACTION_DROP,
				   0, NULL);
1332
	if (IS_ERR(vport->ingress.drop_rule)) {
1333
		err = PTR_ERR(vport->ingress.drop_rule);
1334
		pr_warn("vport[%d] configure ingress drop rule, err(%d)\n",
1335
1336
			vport->vport, err);
		vport->ingress.drop_rule = NULL;
1337
		goto out;
1338
	}
1339

1340
out:
1341
1342
	if (err)
		esw_vport_cleanup_ingress_rules(esw, vport);
1343
	kvfree(spec);
1344
1345
1346
1347
1348
1349
	return err;
}

static int esw_vport_egress_config(struct mlx5_eswitch *esw,
				   struct mlx5_vport *vport)
{
1350
	struct mlx5_flow_spec *spec;
1351
1352
1353
1354
	int err = 0;

	esw_vport_cleanup_egress_rules(esw, vport);

1355
1356
	if (!vport->vlan && !vport