eswitch.c 55.1 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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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)
{
	int in[MLX5_ST_SZ_DW(modify_nic_vport_context_in)];
	int out[MLX5_ST_SZ_DW(modify_nic_vport_context_out)];
	void *nic_vport_ctx;
	int err;

	memset(out, 0, sizeof(out));
	memset(in, 0, sizeof(in));

	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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	err = mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
	if (err)
		goto ex;
	err = mlx5_cmd_status_to_err_v2(out);
	if (err)
		goto ex;
	return 0;
ex:
	return err;
}

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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)
{
	u32 in[MLX5_ST_SZ_DW(query_esw_vport_context_in)];

	memset(in, 0, sizeof(in));

	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);

	return mlx5_cmd_exec_check_status(mdev, in, sizeof(in), out, outlen);
}

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

	memset(out, 0, sizeof(out));

	*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)
{
	u32 out[MLX5_ST_SZ_DW(modify_esw_vport_context_out)];

	memset(out, 0, sizeof(out));

	MLX5_SET(modify_esw_vport_context_in, in, vport_number, vport);
	if (vport)
		MLX5_SET(modify_esw_vport_context_in, in, other_vport, 1);

	MLX5_SET(modify_esw_vport_context_in, in, opcode,
		 MLX5_CMD_OP_MODIFY_ESW_VPORT_CONTEXT);

	return mlx5_cmd_exec_check_status(dev, in, inlen,
					  out, sizeof(out));
}

static int modify_esw_vport_cvlan(struct mlx5_core_dev *dev, u32 vport,
				  u16 vlan, u8 qos, bool set)
{
	u32 in[MLX5_ST_SZ_DW(modify_esw_vport_context_in)];

	memset(in, 0, sizeof(in));

	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)
{
	u32 in[MLX5_ST_SZ_DW(set_l2_table_entry_in)];
	u32 out[MLX5_ST_SZ_DW(set_l2_table_entry_out)];
	u8 *in_mac_addr;

	memset(in, 0, sizeof(in));
	memset(out, 0, sizeof(out));

	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);

	return mlx5_cmd_exec_check_status(dev, in, sizeof(in),
					  out, sizeof(out));
}

static int del_l2_table_entry_cmd(struct mlx5_core_dev *dev, u32 index)
{
	u32 in[MLX5_ST_SZ_DW(delete_l2_table_entry_in)];
	u32 out[MLX5_ST_SZ_DW(delete_l2_table_entry_out)];

	memset(in, 0, sizeof(in));
	memset(out, 0, sizeof(out));

	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);
	return mlx5_cmd_exec_check_status(dev, in, sizeof(in),
					  out, sizeof(out));
}

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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	void *mv_misc = NULL;
	void *mc_misc = NULL;
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	u8 *dmac_v = NULL;
	u8 *dmac_c = NULL;
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	u32 *match_v;
	u32 *match_c;

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	if (rx_rule)
		match_header |= MLX5_MATCH_MISC_PARAMETERS;
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	match_v = kzalloc(MLX5_ST_SZ_BYTES(fte_match_param), GFP_KERNEL);
	match_c = kzalloc(MLX5_ST_SZ_BYTES(fte_match_param), GFP_KERNEL);
	if (!match_v || !match_c) {
		pr_warn("FDB: Failed to alloc match parameters\n");
		goto out;
	}
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	dmac_v = MLX5_ADDR_OF(fte_match_param, match_v,
			      outer_headers.dmac_47_16);
	dmac_c = MLX5_ADDR_OF(fte_match_param, match_c,
			      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) {
		mv_misc  = MLX5_ADDR_OF(fte_match_param, match_v, misc_parameters);
		mc_misc  = MLX5_ADDR_OF(fte_match_param, match_c, misc_parameters);
		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);
	flow_rule =
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		mlx5_add_flow_rule(esw->fdb_table.fdb,
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				   match_header,
				   match_c,
				   match_v,
				   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;
	}
out:
	kfree(match_v);
	kfree(match_c);
	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;
490
491
492
493
494
495
496
497
498
499
500

	/* 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);
501
	if (IS_ERR(g)) {
502
503
504
505
		err = PTR_ERR(g);
		esw_warn(dev, "Failed to create promisc flow group err(%d)\n", err);
		goto out;
	}
506
	esw->fdb_table.legacy.promisc_grp = g;
507

508
out:
509
	if (err) {
510
511
512
		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;
513
		}
514
515
516
		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;
517
518
519
520
521
522
523
		}
		if (!IS_ERR_OR_NULL(esw->fdb_table.fdb)) {
			mlx5_destroy_flow_table(esw->fdb_table.fdb);
			esw->fdb_table.fdb = NULL;
		}
	}

524
	kvfree(flow_group_in);
525
	return err;
526
527
}

528
static void esw_destroy_legacy_fdb_table(struct mlx5_eswitch *esw)
529
530
531
532
{
	if (!esw->fdb_table.fdb)
		return;

533
	esw_debug(esw->dev, "Destroy FDB Table\n");
534
535
536
	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);
537
538
	mlx5_destroy_flow_table(esw->fdb_table.fdb);
	esw->fdb_table.fdb = NULL;
539
540
541
	esw->fdb_table.legacy.addr_grp = NULL;
	esw->fdb_table.legacy.allmulti_grp = NULL;
	esw->fdb_table.legacy.promisc_grp = NULL;
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
}

/* 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) {
558
559
		esw_warn(esw->dev,
			 "Failed to set L2 mac(%pM) for vport(%d), mac is already in use by vport(%d)\n",
560
			 mac, vport, esw_uc->vport);
561
562
563
		return -EEXIST;
	}

564
565
	esw_uc = l2addr_hash_add(hash, mac, struct esw_uc_addr, GFP_KERNEL);
	if (!esw_uc)
566
		return -ENOMEM;
567
	esw_uc->vport = vport;
568

569
	err = set_l2_table_entry(esw->dev, mac, 0, 0, &esw_uc->table_index);
570
	if (err)
571
572
		goto abort;

573
574
	/* SRIOV is enabled: Forward UC MAC to vport */
	if (esw->fdb_table.fdb && esw->mode == SRIOV_LEGACY)
575
576
577
578
579
580
581
		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);
582
583
584
	return err;
}

585
static int esw_del_uc_addr(struct mlx5_eswitch *esw, struct vport_addr *vaddr)
586
{
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
	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)
605
		mlx5_del_flow_rule(vaddr->flow_rule);
606
607
608
609
610
611
	vaddr->flow_rule = NULL;

	l2addr_hash_del(esw_uc);
	return 0;
}

612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
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);
647
			iter_vaddr->mc_promisc = true;
648
649
650
651
652
653
654
655
656
657
658
			break;
		case MLX5_ACTION_DEL:
			if (!iter_vaddr)
				continue;
			mlx5_del_flow_rule(iter_vaddr->flow_rule);
			l2addr_hash_del(iter_vaddr);
			break;
		}
	}
}

659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
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);
679
680
681
682

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

683
add:
684
685
686
687
688
689
	/* 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++;

690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
	/* 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;
705

706
707
708
709
710
711
712
	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)",
713
714
715
			 mac, vport);
		return -EINVAL;
	}
716
717
718
719
720
721
	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)
722
		mlx5_del_flow_rule(vaddr->flow_rule);
723
724
	vaddr->flow_rule = NULL;

725
726
727
728
	/* 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))
729
		return 0;
730

731
732
733
	/* Remove this multicast mac from all the mc promiscuous vports */
	update_allmulti_vports(esw, vaddr, esw_mc);

734
	if (esw_mc->uplink_rule)
735
		mlx5_del_flow_rule(esw_mc->uplink_rule);
736
737

	l2addr_hash_del(esw_mc);
738
739
740
	return 0;
}

741
742
743
/* 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)
744
745
{
	struct mlx5_vport *vport = &esw->vports[vport_num];
746
747
748
749
	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;
750
751
752
753
754
	struct l2addr_node *node;
	struct hlist_head *hash;
	struct hlist_node *tmp;
	int hi;

755
756
757
758
759
760
	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;
761
	for_each_l2hash_node(node, tmp, hash, hi) {
762
		addr = container_of(node, struct vport_addr, node);
763
764
		switch (addr->action) {
		case MLX5_ACTION_ADD:
765
			vport_addr_add(esw, addr);
766
767
768
			addr->action = MLX5_ACTION_NONE;
			break;
		case MLX5_ACTION_DEL:
769
			vport_addr_del(esw, addr);
770
771
772
773
774
775
			l2addr_hash_del(addr);
			break;
		}
	}
}

776
777
778
/* 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)
779
780
{
	struct mlx5_vport *vport = &esw->vports[vport_num];
781
	bool is_uc = list_type == MLX5_NVPRT_LIST_TYPE_UC;
782
	u8 (*mac_list)[ETH_ALEN];
783
784
	struct l2addr_node *node;
	struct vport_addr *addr;
785
786
787
788
789
790
791
	struct hlist_head *hash;
	struct hlist_node *tmp;
	int size;
	int err;
	int hi;
	int i;

792
793
	size = is_uc ? MLX5_MAX_UC_PER_VPORT(esw->dev) :
		       MLX5_MAX_MC_PER_VPORT(esw->dev);
794
795
796
797
798

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

799
	hash = is_uc ? vport->uc_list : vport->mc_list;
800
801

	for_each_l2hash_node(node, tmp, hash, hi) {
802
		addr = container_of(node, struct vport_addr, node);
803
804
805
		addr->action = MLX5_ACTION_DEL;
	}

806
807
808
	if (!vport->enabled)
		goto out;

809
	err = mlx5_query_nic_vport_mac_list(esw->dev, vport_num, list_type,
810
811
					    mac_list, &size);
	if (err)
812
		goto out;
813
814
	esw_debug(esw->dev, "vport[%d] context update %s list size (%d)\n",
		  vport_num, is_uc ? "UC" : "MC", size);
815
816

	for (i = 0; i < size; i++) {
817
		if (is_uc && !is_valid_ether_addr(mac_list[i]))
818
819
			continue;

820
821
822
823
		if (!is_uc && !is_multicast_ether_addr(mac_list[i]))
			continue;

		addr = l2addr_hash_find(hash, mac_list[i], struct vport_addr);
824
825
		if (addr) {
			addr->action = MLX5_ACTION_NONE;
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
			/* 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;
			}
844
845
846
			continue;
		}

847
		addr = l2addr_hash_add(hash, mac_list[i], struct vport_addr,
848
849
850
851
852
853
854
				       GFP_KERNEL);
		if (!addr) {
			esw_warn(esw->dev,
				 "Failed to add MAC(%pM) to vport[%d] DB\n",
				 mac_list[i], vport_num);
			continue;
		}
855
		addr->vport = vport_num;
856
857
		addr->action = MLX5_ACTION_ADD;
	}
858
out:
859
860
861
	kfree(mac_list);
}

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
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
/* 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));
}

971
static void esw_vport_change_handle_locked(struct mlx5_vport *vport)
972
973
{
	struct mlx5_core_dev *dev = vport->dev;
974
	struct mlx5_eswitch *esw = dev->priv.eswitch;
975
976
977
	u8 mac[ETH_ALEN];

	mlx5_query_nic_vport_mac_address(dev, vport->vport, mac);
978
979
980
981
982
983
984
985
986
	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);
	}
987

988
989
990
	if (vport->enabled_events & MC_ADDR_CHANGE) {
		esw_update_vport_addr_list(esw, vport->vport,
					   MLX5_NVPRT_LIST_TYPE_MC);
991
992
993
994
995
996
997
998
999
	}

	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)) {
1000
1001
1002
		esw_apply_vport_addr_list(esw, vport->vport,
					  MLX5_NVPRT_LIST_TYPE_MC);
	}
1003

1004
	esw_debug(esw->dev, "vport[%d] Context Changed: Done\n", vport->vport);
1005
1006
	if (vport->enabled)
		arm_vport_context_events_cmd(dev, vport->vport,
1007
					     vport->enabled_events);
1008
1009
}

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

1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
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;

1039
1040
	if (!MLX5_CAP_ESW_EGRESS_ACL(dev, ft_support) ||
	    !IS_ERR_OR_NULL(vport->egress.acl))
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
		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);
1057
	if (IS_ERR(acl)) {
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
		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);
1072
	if (IS_ERR(vlan_grp)) {
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
		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);
1083
	if (IS_ERR(drop_grp)) {
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
		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:
1094
	kvfree(flow_group_in);
1095
1096
1097
1098
1099
1100
	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);
}

1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
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;
}

1114
1115
1116
1117
1118
1119
1120
1121
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);

1122
	esw_vport_cleanup_egress_rules(esw, vport);
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
	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;

1153
1154
	if (!MLX5_CAP_ESW_INGRESS_ACL(dev, ft_support) ||
	    !IS_ERR_OR_NULL(vport->ingress.acl))
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
		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);
1171
	if (IS_ERR(acl)) {
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
1188
		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);
1189
	if (IS_ERR(g)) {
1190
1191
1192
1193
1194
1195
1196
1197
1198
1199
1200
1201
1202
1203
		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);
1204
	if (IS_ERR(g)) {
1205
1206
1207
1208
1209
1210
1211
1212
1213
1214
1215
1216
1217
1218
1219
		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);
1220
	if (IS_ERR(g)) {
1221
1222
1223
1224
1225
1226
1227
1228
1229
1230
1231
1232
		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);
1233
	if (IS_ERR(g)) {
1234
1235
1236
1237
1238
1239
1240
1241
1242
1243
1244
1245
1246
1247
1248
1249
1250
1251
1252
1253
1254
1255
		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);
	}

1256
	kvfree(flow_group_in);
1257
1258
}

1259
1260
1261
1262
1263
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);
1264
1265
1266
1267

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

1268
	vport->ingress.drop_rule = NULL;
1269
	vport->ingress.allow_rule = NULL;
1270
1271
}

1272
1273
1274
1275
1276
1277
1278
1279
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);

1280
	esw_vport_cleanup_ingress_rules(esw, vport);
1281
1282
1283
1284
1285
1286
1287
1288
1289
1290
1291
1292
	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;
}

1293
1294
1295
static int esw_vport_ingress_config(struct mlx5_eswitch *esw,
				    struct mlx5_vport *vport)
{
1296
	u8 smac[ETH_ALEN];
1297
1298
1299
	u32 *match_v;
	u32 *match_c;
	int err = 0;
1300
	u8 *smac_v;
1301

1302
1303
1304
1305
1306
1307
1308
1309
1310
1311
1312
1313
1314
1315
1316
1317
1318
	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;
		}
	}

1319
1320
	esw_vport_cleanup_ingress_rules(esw, vport);

1321
1322
	if (!vport->vlan && !vport->qos && !vport->spoofchk) {
		esw_vport_disable_ingress_acl(esw, vport);
1323
		return 0;
1324
1325
1326
	}

	esw_vport_enable_ingress_acl(esw, vport);
1327
1328
1329
1330
1331
1332
1333
1334
1335
1336
1337
1338
1339
1340

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

	match_v = kzalloc(MLX5_ST_SZ_BYTES(fte_match_param), GFP_KERNEL);
	match_c = kzalloc(MLX5_ST_SZ_BYTES(fte_match_param), GFP_KERNEL);
	if (!match_v || !match_c) {
		err = -ENOMEM;
		esw_warn(esw->dev, "vport[%d] configure ingress rules failed, err(%d)\n",
			 vport->vport, err);
		goto out;
	}

1341
1342
1343
1344
1345
1346
1347
1348
1349
1350
1351
1352
1353
	if (vport->vlan || vport->qos)
		MLX5_SET_TO_ONES(fte_match_param, match_c, outer_headers.vlan_tag);

	if (vport->spoofchk) {
		MLX5_SET_TO_ONES(fte_match_param, match_c, outer_headers.smac_47_16);
		MLX5_SET_TO_ONES(fte_match_param, match_c, outer_headers.smac_15_0);
		smac_v = MLX5_ADDR_OF(fte_match_param,
				      match_v,
				      outer_headers.smac_47_16);
		ether_addr_copy(smac_v, smac);
	}

	vport->ingress.allow_rule =
1354
1355
1356
1357
		mlx5_add_flow_rule(vport->ingress.acl,
				   MLX5_MATCH_OUTER_HEADERS,
				   match_c,
				   match_v,
1358
1359
				   MLX5_FLOW_CONTEXT_ACTION_ALLOW,
				   0, NULL);
1360
	if (IS_ERR(vport->ingress.allow_rule)) {
1361
1362
1363
1364
1365
1366
1367
1368
1369
1370
1371
1372
1373
1374
		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;
	}

	memset(match_c, 0, MLX5_ST_SZ_BYTES(fte_match_param));
	memset(match_v, 0, MLX5_ST_SZ_BYTES(fte_match_param));
	vport->ingress.drop_rule =
		mlx5_add_flow_rule(vport->ingress.acl,
				   0,
				   match_c,
				   match_v,
1375
1376
				   MLX5_FLOW_CONTEXT_ACTION_DROP,
				   0, NULL);
1377
	if (IS_ERR(vport->ingress.drop_rule)) {
1378
		err = PTR_ERR(vport->ingress.drop_rule);
1379
		pr_warn("vport[%d] configure ingress drop rule, err(%d)\n",
1380
1381
			vport->vport, err);
		vport->ingress.drop_rule = NULL;
1382
		goto out;
1383
	}
1384

1385
out:
1386
1387
1388
	if (err)
		esw_vport_cleanup_ingress_rules(esw, vport);

1389
1390
1391
1392
1393
1394
1395
1396
1397
1398
1399
1400
1401
1402
	kfree(match_v);
	kfree(match_c);
	return err;
}

static int esw_vport_egress_config(struct mlx5_eswitch *esw,
				   struct mlx5_vport *vport)
{
	u32 *match_v;
	u32 *match_c;
	int err = 0;

	esw_vport_cleanup_egress_rules(esw, vport);

1403
1404
	if (!vport->vlan && !vport->qos) {
		esw_vport_disable_egress_acl(esw, vport);
1405
		return 0;
1406
1407
1408
	}

	esw_vport_enable_egress_acl(esw, vport);
1409
1410
1411
1412
1413
1414
1415
1416
1417
1418
1419
1420
1421
1422
1423
1424
1425
1426
1427
1428
1429
1430
1431
1432
1433
1434
1435

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

	match_v = kzalloc(MLX5_ST_SZ_BYTES(fte_match_param), GFP_KERNEL);
	match_c = kzalloc(MLX5_ST_SZ_BYTES(fte_match_param), GFP_KERNEL);
	if (!match_v || !match_c) {
		err = -ENOMEM;
		esw_warn(esw->dev, "vport[%d] configure egress rules failed, err(%d)\n",
			 vport->vport, err);
		goto out;
	}

	/* Allowed vlan rule */
	MLX5_SET_TO_ONES(fte_match_param, match_c, outer_headers.vlan_tag);
	MLX5_SET_TO_ONES(fte_match_param, match_v, outer_headers.vlan_tag);
	MLX5_SET_TO_ONES(fte_match_param, match_c, outer_headers.first_vid);
	MLX5_SET(fte_match_param, match_v, outer_headers.first_vid, vport->vlan);

	vport->egress.allowed_vlan =
		mlx5_add_flow_rule(vport->egress.acl,
				   MLX5_MATCH_OUTER_HEADERS,
				   match_c,
				   match_v,
				   MLX5_FLOW_CONTEXT_ACTION_ALLOW,
				   0, NULL);
1436
	if (IS_ERR(vport->egress.allowed_vlan)) {
1437
1438
1439
1440
1441
1442
1443
1444
1445
1446
1447
1448
1449
1450
1451
1452
1453
		err = PTR_ERR(vport->egress.allowed_vlan);
		pr_warn("vport[%d] configure egress allowed vlan rule failed, err(%d)\n",
			vport->vport, err);
		vport->egress.allowed_vlan = NULL;
		goto out;
	}

	/* Drop others rule (star rule) */
	memset(match_c, 0, MLX5_ST_SZ_BYTES(fte_match_param));
	memset(match_v, 0, MLX5_ST_SZ_BYTES(fte_match_param));
	vport->egress.drop_rule =
		mlx5_add_flow_rule(vport->egress.acl,
				   0,
				   match_c,
				   match_v,
				   MLX5_FLOW_CONTEXT_ACTION_DROP,
				   0, NULL);
1454
	if (IS_ERR(vport->egress.drop_rule)) {
1455
1456
1457
1458
1459
1460
1461
1462
1463
1464
1465
		err = PTR_ERR(vport->egress.drop_rule);
		pr_warn("vport[%d] configure egress drop rule failed, err(%d)\n",
			vport->vport, err);
		vport->egress.drop_rule = NULL;
	}
out:
	kfree(match_v);
	kfree(match_c);
	return err;
}

1466
1467
static void esw_enable_vport(struct mlx5_eswitch *esw, int vport_num,
			     int enable_events)
1468
1469
1470
{
	struct mlx5_vport *vport = &esw->vports[vport_num];

1471
	mutex_lock(&esw->state_lock);
1472
1473
1474
	WARN_ON(vport->enabled);

	esw_debug(esw->dev, "Enabling VPORT(%d)\n", vport_num);
1475
1476

	if (vport_num) { /* Only VFs need ACLs for VST and spoofchk filtering */
1477
1478
		esw_vport_ingress_config(esw, vport);
		esw_vport_egress_config(esw, vport);
1479
1480
	}

1481
1482
1483
1484
1485
1486
1487
	mlx5_modify_vport_admin_state(esw->dev,
				      MLX5_QUERY_VPORT_STATE_IN_OP_MOD_ESW_VPORT,
				      vport_num,
				      MLX5_ESW_VPORT_ADMIN_STATE_AUTO);

	/* Sync with current vport context */
	vport->enabled_events = enable_events;
1488
1489
	vport->enabled = true;

1490
1491
	/* only PF is trusted by default */
	vport->trusted = (vport_num) ? false : true;
1492
	esw_vport_change_handle_locked(vport);
1493
1494
1495

	esw->enabled_vports++;
	esw_debug(esw->dev, "Enabled VPORT(%d)\n", vport_num);
1496
	mutex_unlock(&esw->state_lock);
1497
1498
}

1499
1500
1501
1502
1503
1504
1505
static void esw_disable_vport(struct mlx5_eswitch *esw, int vport_num)
{
	struct mlx5_vport *vport = &esw->vports[vport_num];

	if (!vport->enabled)
		return;