eswitch.c 54.1 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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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 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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		esw_warn(esw->dev, "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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		esw_warn(esw->dev,
			 "FDB: Failed to add flow rule: dmac_v(%pM) dmac_c(%pM) -> vport(%d), err(%ld)\n",
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			 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) {
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		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;
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		}
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		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;
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		}
		if (!IS_ERR_OR_NULL(esw->fdb_table.fdb)) {
			mlx5_destroy_flow_table(esw->fdb_table.fdb);
			esw->fdb_table.fdb = NULL;
		}
	}

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	kvfree(flow_group_in);
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	return err;
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}

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static void esw_destroy_legacy_fdb_table(struct mlx5_eswitch *esw)
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{
	if (!esw->fdb_table.fdb)
		return;

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	esw_debug(esw->dev, "Destroy FDB Table\n");
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	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);
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	mlx5_destroy_flow_table(esw->fdb_table.fdb);
	esw->fdb_table.fdb = NULL;
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	esw->fdb_table.legacy.addr_grp = NULL;
	esw->fdb_table.legacy.allmulti_grp = NULL;
	esw->fdb_table.legacy.promisc_grp = NULL;
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}

/* 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) {
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		esw_warn(esw->dev,
			 "Failed to set L2 mac(%pM) for vport(%d), mac is already in use by vport(%d)\n",
469
			 mac, vport, esw_uc->vport);
470
471
472
		return -EEXIST;
	}

473
474
	esw_uc = l2addr_hash_add(hash, mac, struct esw_uc_addr, GFP_KERNEL);
	if (!esw_uc)
475
		return -ENOMEM;
476
	esw_uc->vport = vport;
477

478
	err = set_l2_table_entry(esw->dev, mac, 0, 0, &esw_uc->table_index);
479
	if (err)
480
481
		goto abort;

482
483
	/* SRIOV is enabled: Forward UC MAC to vport */
	if (esw->fdb_table.fdb && esw->mode == SRIOV_LEGACY)
484
485
486
487
488
489
490
		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);
491
492
493
	return err;
}

494
static int esw_del_uc_addr(struct mlx5_eswitch *esw, struct vport_addr *vaddr)
495
{
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
	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)
514
		mlx5_del_flow_rule(vaddr->flow_rule);
515
516
517
518
519
520
	vaddr->flow_rule = NULL;

	l2addr_hash_del(esw_uc);
	return 0;
}

521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
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);
556
			iter_vaddr->mc_promisc = true;
557
558
559
560
561
562
563
564
565
566
567
			break;
		case MLX5_ACTION_DEL:
			if (!iter_vaddr)
				continue;
			mlx5_del_flow_rule(iter_vaddr->flow_rule);
			l2addr_hash_del(iter_vaddr);
			break;
		}
	}
}

568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
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);
588
589
590
591

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

592
add:
593
594
595
596
597
598
	/* 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++;

599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
	/* 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;
614

615
616
617
618
619
620
621
	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)",
622
623
624
			 mac, vport);
		return -EINVAL;
	}
625
626
627
628
629
630
	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)
631
		mlx5_del_flow_rule(vaddr->flow_rule);
632
633
	vaddr->flow_rule = NULL;

634
635
636
637
	/* 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))
638
		return 0;
639

640
641
642
	/* Remove this multicast mac from all the mc promiscuous vports */
	update_allmulti_vports(esw, vaddr, esw_mc);

643
	if (esw_mc->uplink_rule)
644
		mlx5_del_flow_rule(esw_mc->uplink_rule);
645
646

	l2addr_hash_del(esw_mc);
647
648
649
	return 0;
}

650
651
652
/* 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)
653
654
{
	struct mlx5_vport *vport = &esw->vports[vport_num];
655
656
657
658
	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;
659
660
661
662
663
	struct l2addr_node *node;
	struct hlist_head *hash;
	struct hlist_node *tmp;
	int hi;

664
665
666
667
668
669
	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;
670
	for_each_l2hash_node(node, tmp, hash, hi) {
671
		addr = container_of(node, struct vport_addr, node);
672
673
		switch (addr->action) {
		case MLX5_ACTION_ADD:
674
			vport_addr_add(esw, addr);
675
676
677
			addr->action = MLX5_ACTION_NONE;
			break;
		case MLX5_ACTION_DEL:
678
			vport_addr_del(esw, addr);
679
680
681
682
683
684
			l2addr_hash_del(addr);
			break;
		}
	}
}

685
686
687
/* 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)
688
689
{
	struct mlx5_vport *vport = &esw->vports[vport_num];
690
	bool is_uc = list_type == MLX5_NVPRT_LIST_TYPE_UC;
691
	u8 (*mac_list)[ETH_ALEN];
692
693
	struct l2addr_node *node;
	struct vport_addr *addr;
694
695
696
697
698
699
700
	struct hlist_head *hash;
	struct hlist_node *tmp;
	int size;
	int err;
	int hi;
	int i;

701
702
	size = is_uc ? MLX5_MAX_UC_PER_VPORT(esw->dev) :
		       MLX5_MAX_MC_PER_VPORT(esw->dev);
703
704
705
706
707

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

708
	hash = is_uc ? vport->uc_list : vport->mc_list;
709
710

	for_each_l2hash_node(node, tmp, hash, hi) {
711
		addr = container_of(node, struct vport_addr, node);
712
713
714
		addr->action = MLX5_ACTION_DEL;
	}

715
716
717
	if (!vport->enabled)
		goto out;

718
	err = mlx5_query_nic_vport_mac_list(esw->dev, vport_num, list_type,
719
720
					    mac_list, &size);
	if (err)
721
		goto out;
722
723
	esw_debug(esw->dev, "vport[%d] context update %s list size (%d)\n",
		  vport_num, is_uc ? "UC" : "MC", size);
724
725

	for (i = 0; i < size; i++) {
726
		if (is_uc && !is_valid_ether_addr(mac_list[i]))
727
728
			continue;

729
730
731
732
		if (!is_uc && !is_multicast_ether_addr(mac_list[i]))
			continue;

		addr = l2addr_hash_find(hash, mac_list[i], struct vport_addr);
733
734
		if (addr) {
			addr->action = MLX5_ACTION_NONE;
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
			/* 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;
			}
753
754
755
			continue;
		}

756
		addr = l2addr_hash_add(hash, mac_list[i], struct vport_addr,
757
758
759
760
761
762
763
				       GFP_KERNEL);
		if (!addr) {
			esw_warn(esw->dev,
				 "Failed to add MAC(%pM) to vport[%d] DB\n",
				 mac_list[i], vport_num);
			continue;
		}
764
		addr->vport = vport_num;
765
766
		addr->action = MLX5_ACTION_ADD;
	}
767
out:
768
769
770
	kfree(mac_list);
}

771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
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
/* 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);

870
	if (!vport->info.trusted || !vport->enabled) {
871
872
873
874
875
876
877
878
879
		promisc_uc = 0;
		promisc_mc = 0;
		promisc_all = 0;
	}

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

880
static void esw_vport_change_handle_locked(struct mlx5_vport *vport)
881
882
{
	struct mlx5_core_dev *dev = vport->dev;
883
	struct mlx5_eswitch *esw = dev->priv.eswitch;
884
885
886
	u8 mac[ETH_ALEN];

	mlx5_query_nic_vport_mac_address(dev, vport->vport, mac);
887
888
889
890
891
892
893
894
895
	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);
	}
896

897
898
899
	if (vport->enabled_events & MC_ADDR_CHANGE) {
		esw_update_vport_addr_list(esw, vport->vport,
					   MLX5_NVPRT_LIST_TYPE_MC);
900
901
902
903
904
905
906
907
908
	}

	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)) {
909
910
911
		esw_apply_vport_addr_list(esw, vport->vport,
					  MLX5_NVPRT_LIST_TYPE_MC);
	}
912

913
	esw_debug(esw->dev, "vport[%d] Context Changed: Done\n", vport->vport);
914
915
	if (vport->enabled)
		arm_vport_context_events_cmd(dev, vport->vport,
916
					     vport->enabled_events);
917
918
}

919
920
921
922
923
924
925
926
927
928
929
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);
}

930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
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;

948
949
	if (!MLX5_CAP_ESW_EGRESS_ACL(dev, ft_support) ||
	    !IS_ERR_OR_NULL(vport->egress.acl))
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
		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);
966
	if (IS_ERR(acl)) {
967
968
969
970
971
972
973
974
975
976
977
978
979
980
		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);
981
	if (IS_ERR(vlan_grp)) {
982
983
984
985
986
987
988
989
990
991
		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);
992
	if (IS_ERR(drop_grp)) {
993
994
995
996
997
998
999
1000
1001
1002
		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:
1003
	kvfree(flow_group_in);
1004
1005
1006
1007
1008
1009
	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);
}

1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
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;
}

1023
1024
1025
1026
1027
1028
1029
1030
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);

1031
	esw_vport_cleanup_egress_rules(esw, vport);
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
	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;

1062
1063
	if (!MLX5_CAP_ESW_INGRESS_ACL(dev, ft_support) ||
	    !IS_ERR_OR_NULL(vport->ingress.acl))
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
		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);
1080
	if (IS_ERR(acl)) {
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
		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);
1098
	if (IS_ERR(g)) {
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
		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);
1113
	if (IS_ERR(g)) {
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
		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);
1129
	if (IS_ERR(g)) {
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
		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);
1142
	if (IS_ERR(g)) {
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
		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);
	}

1165
	kvfree(flow_group_in);
1166
1167
}

1168
1169
1170
1171
1172
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);
1173
1174
1175
1176

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

1177
	vport->ingress.drop_rule = NULL;
1178
	vport->ingress.allow_rule = NULL;
1179
1180
}

1181
1182
1183
1184
1185
1186
1187
1188
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);

1189
	esw_vport_cleanup_ingress_rules(esw, vport);
1190
1191
1192
1193
1194
1195
1196
1197
1198
1199
1200
1201
	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;
}

1202
1203
1204
static int esw_vport_ingress_config(struct mlx5_eswitch *esw,
				    struct mlx5_vport *vport)
{
1205
	struct mlx5_flow_spec *spec;
1206
	int err = 0;
1207
	u8 *smac_v;
1208

1209
1210
1211
1212
1213
	if (vport->info.spoofchk && !is_valid_ether_addr(vport->info.mac)) {
		mlx5_core_warn(esw->dev,
			       "vport[%d] configure ingress rules failed, illegal mac with spoofchk\n",
			       vport->vport);
		return -EPERM;
1214
1215
1216

	}

1217
1218
	esw_vport_cleanup_ingress_rules(esw, vport);

1219
	if (!vport->info.vlan && !vport->info.qos && !vport->info.spoofchk) {
1220
		esw_vport_disable_ingress_acl(esw, vport);
1221
		return 0;
1222
1223
1224
	}

	esw_vport_enable_ingress_acl(esw, vport);
1225
1226
1227

	esw_debug(esw->dev,
		  "vport[%d] configure ingress rules, vlan(%d) qos(%d)\n",
1228
		  vport->vport, vport->info.vlan, vport->info.qos);
1229

1230
1231
	spec = mlx5_vzalloc(sizeof(*spec));
	if (!spec) {
1232
1233
1234
1235
1236
1237
		err = -ENOMEM;
		esw_warn(esw->dev, "vport[%d] configure ingress rules failed, err(%d)\n",
			 vport->vport, err);
		goto out;
	}

1238
	if (vport->info.vlan || vport->info.qos)
1239
		MLX5_SET_TO_ONES(fte_match_param, spec->match_criteria, outer_headers.vlan_tag);
1240

1241
	if (vport->info.spoofchk) {
1242
1243
		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);
1244
		smac_v = MLX5_ADDR_OF(fte_match_param,
1245
				      spec->match_value,
1246
				      outer_headers.smac_47_16);
1247
		ether_addr_copy(smac_v, vport->info.mac);
1248
1249
	}

1250
	spec->match_criteria_enable = MLX5_MATCH_OUTER_HEADERS;
1251
	vport->ingress.allow_rule =
1252
		mlx5_add_flow_rule(vport->ingress.acl, spec,
1253
1254
				   MLX5_FLOW_CONTEXT_ACTION_ALLOW,
				   0, NULL);
1255
	if (IS_ERR(vport->ingress.allow_rule)) {
1256
		err = PTR_ERR(vport->ingress.allow_rule);
1257
1258
1259
		esw_warn(esw->dev,
			 "vport[%d] configure ingress allow rule, err(%d)\n",
			 vport->vport, err);
1260
1261
1262
1263
		vport->ingress.allow_rule = NULL;
		goto out;
	}

1264
	memset(spec, 0, sizeof(*spec));
1265
	vport->ingress.drop_rule =
1266
		mlx5_add_flow_rule(vport->ingress.acl, spec,
1267
1268
				   MLX5_FLOW_CONTEXT_ACTION_DROP,
				   0, NULL);
1269
	if (IS_ERR(vport->ingress.drop_rule)) {
1270
		err = PTR_ERR(vport->ingress.drop_rule);
1271
1272
1273
		esw_warn(esw->dev,
			 "vport[%d] configure ingress drop rule, err(%d)\n",
			 vport->vport, err);
1274
		vport->ingress.drop_rule = NULL;
1275
		goto out;
1276
	}
1277

1278
out:
1279
1280
	if (err)
		esw_vport_cleanup_ingress_rules(esw, vport);
1281
	kvfree(spec);
1282
1283
1284
1285
1286
1287
	return err;
}

static int esw_vport_egress_config(struct mlx5_eswitch *esw,
				   struct mlx5_vport *vport)
{
1288
	struct mlx5_flow_spec *spec;
1289
1290
1291
1292
	int err = 0;

	esw_vport_cleanup_egress_rules(esw, vport);

1293
	if (!vport->info.vlan && !vport->info.qos) {
1294
		esw_vport_disable_egress_acl(esw, vport);
1295
		return 0;
1296
1297
1298
	}

	esw_vport_enable_egress_acl(esw, vport);
1299
1300
1301

	esw_debug(esw->dev,
		  "vport[%d] configure egress rules, vlan(%d) qos(%d)\n",
1302
		  vport->vport, vport->info.vlan, vport->info.qos);
1303

1304
1305
	spec = mlx5_vzalloc(sizeof(*spec));
	if (!spec) {
1306
1307
1308
1309
1310
1311