Release 4.12 drivers/net/ethernet/mellanox/mlxsw/spectrum_acl.c

Directory: drivers/net/ethernet/mellanox/mlxsw
/*
 * drivers/net/ethernet/mellanox/mlxsw/spectrum_acl.c
 * Copyright (c) 2017 Mellanox Technologies. All rights reserved.
 * Copyright (c) 2017 Jiri Pirko <jiri@mellanox.com>
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. 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.
 * 3. Neither the names of the copyright holders nor the names of its
 *    contributors may be used to endorse or promote products derived from
 *    this software without specific prior written permission.
 *
 * Alternatively, this software may be distributed under the terms of the
 * GNU General Public License ("GPL") version 2 as published by the Free
 * Software Foundation.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

#include <linux/kernel.h>
#include <linux/slab.h>
#include <linux/errno.h>
#include <linux/list.h>
#include <linux/string.h>
#include <linux/rhashtable.h>
#include <linux/netdevice.h>
#include <net/tc_act/tc_vlan.h>

#include "reg.h"
#include "core.h"
#include "resources.h"
#include "spectrum.h"
#include "core_acl_flex_keys.h"
#include "core_acl_flex_actions.h"
#include "spectrum_acl_flex_keys.h"


struct mlxsw_sp_acl {
	
struct mlxsw_sp *mlxsw_sp;
	
struct mlxsw_afk *afk;
	
struct mlxsw_afa *afa;
	
const struct mlxsw_sp_acl_ops *ops;
	
struct rhashtable ruleset_ht;
	
struct list_head rules;
	struct {
		
struct delayed_work dw;
		
unsigned long interval;	/* ms */

#define MLXSW_SP_ACL_RULE_ACTIVITY_UPDATE_PERIOD_MS 1000
	
} rule_activity_update;
	
unsigned long priv[0];
	/* priv has to be always the last item */
};



struct mlxsw_afk *mlxsw_sp_acl_afk(struct mlxsw_sp_acl *acl)
{
	return acl->afk;
}

Contributors
Person Tokens Prop Commits CommitProp
Jiri Pirko 17 100.00% 1 100.00%
Total 17 100.00% 1 100.00%


struct mlxsw_sp_acl_ruleset_ht_key {
	
struct net_device *dev; /* dev this ruleset is bound to */
	
bool ingress;
	
const struct mlxsw_sp_acl_profile_ops *ops;
};


struct mlxsw_sp_acl_ruleset {
	
struct rhash_head ht_node; /* Member of acl HT */
	
struct mlxsw_sp_acl_ruleset_ht_key ht_key;
	
struct rhashtable rule_ht;
	
unsigned int ref_count;
	
unsigned long priv[0];
	/* priv has to be always the last item */
};


struct mlxsw_sp_acl_rule {
	
struct rhash_head ht_node; /* Member of rule HT */
	
struct list_head list;
	
unsigned long cookie; /* HT key */
	
struct mlxsw_sp_acl_ruleset *ruleset;
	
struct mlxsw_sp_acl_rule_info *rulei;
	
u64 last_used;
	
u64 last_packets;
	
u64 last_bytes;
	
unsigned long priv[0];
	/* priv has to be always the last item */
};


static const struct rhashtable_params mlxsw_sp_acl_ruleset_ht_params = {
	.key_len = sizeof(struct mlxsw_sp_acl_ruleset_ht_key),
	.key_offset = offsetof(struct mlxsw_sp_acl_ruleset, ht_key),
	.head_offset = offsetof(struct mlxsw_sp_acl_ruleset, ht_node),
	.automatic_shrinking = true,
};


static const struct rhashtable_params mlxsw_sp_acl_rule_ht_params = {
	.key_len = sizeof(unsigned long),
	.key_offset = offsetof(struct mlxsw_sp_acl_rule, cookie),
	.head_offset = offsetof(struct mlxsw_sp_acl_rule, ht_node),
	.automatic_shrinking = true,
};


static struct mlxsw_sp_acl_ruleset *

mlxsw_sp_acl_ruleset_create(struct mlxsw_sp *mlxsw_sp,
			    const struct mlxsw_sp_acl_profile_ops *ops)
{
	struct mlxsw_sp_acl *acl = mlxsw_sp->acl;
	struct mlxsw_sp_acl_ruleset *ruleset;
	size_t alloc_size;
	int err;

	alloc_size = sizeof(*ruleset) + ops->ruleset_priv_size;
	ruleset = kzalloc(alloc_size, GFP_KERNEL);
	if (!ruleset)
		return ERR_PTR(-ENOMEM);
	ruleset->ref_count = 1;
	ruleset->ht_key.ops = ops;

	err = rhashtable_init(&ruleset->rule_ht, &mlxsw_sp_acl_rule_ht_params);
	if (err)
		goto err_rhashtable_init;

	err = ops->ruleset_add(mlxsw_sp, acl->priv, ruleset->priv);
	if (err)
		goto err_ops_ruleset_add;

	return ruleset;

err_ops_ruleset_add:
	rhashtable_destroy(&ruleset->rule_ht);
err_rhashtable_init:
	kfree(ruleset);
	return ERR_PTR(err);
}

Contributors
Person Tokens Prop Commits CommitProp
Jiri Pirko 156 100.00% 1 100.00%
Total 156 100.00% 1 100.00%



static void mlxsw_sp_acl_ruleset_destroy(struct mlxsw_sp *mlxsw_sp,
					 struct mlxsw_sp_acl_ruleset *ruleset)
{
	const struct mlxsw_sp_acl_profile_ops *ops = ruleset->ht_key.ops;

	ops->ruleset_del(mlxsw_sp, ruleset->priv);
	rhashtable_destroy(&ruleset->rule_ht);
	kfree(ruleset);
}

Contributors
Person Tokens Prop Commits CommitProp
Jiri Pirko 52 100.00% 1 100.00%
Total 52 100.00% 1 100.00%



static int mlxsw_sp_acl_ruleset_bind(struct mlxsw_sp *mlxsw_sp,
				     struct mlxsw_sp_acl_ruleset *ruleset,
				     struct net_device *dev, bool ingress)
{
	const struct mlxsw_sp_acl_profile_ops *ops = ruleset->ht_key.ops;
	struct mlxsw_sp_acl *acl = mlxsw_sp->acl;
	int err;

	ruleset->ht_key.dev = dev;
	ruleset->ht_key.ingress = ingress;
	err = rhashtable_insert_fast(&acl->ruleset_ht, &ruleset->ht_node,
				     mlxsw_sp_acl_ruleset_ht_params);
	if (err)
		return err;
	err = ops->ruleset_bind(mlxsw_sp, ruleset->priv, dev, ingress);
	if (err)
		goto err_ops_ruleset_bind;
	return 0;

err_ops_ruleset_bind:
	rhashtable_remove_fast(&acl->ruleset_ht, &ruleset->ht_node,
			       mlxsw_sp_acl_ruleset_ht_params);
	return err;
}

Contributors
Person Tokens Prop Commits CommitProp
Jiri Pirko 135 100.00% 1 100.00%
Total 135 100.00% 1 100.00%



static void mlxsw_sp_acl_ruleset_unbind(struct mlxsw_sp *mlxsw_sp,
					struct mlxsw_sp_acl_ruleset *ruleset)
{
	const struct mlxsw_sp_acl_profile_ops *ops = ruleset->ht_key.ops;
	struct mlxsw_sp_acl *acl = mlxsw_sp->acl;

	ops->ruleset_unbind(mlxsw_sp, ruleset->priv);
	rhashtable_remove_fast(&acl->ruleset_ht, &ruleset->ht_node,
			       mlxsw_sp_acl_ruleset_ht_params);
}

Contributors
Person Tokens Prop Commits CommitProp
Jiri Pirko 63 100.00% 1 100.00%
Total 63 100.00% 1 100.00%



static void mlxsw_sp_acl_ruleset_ref_inc(struct mlxsw_sp_acl_ruleset *ruleset)
{
	ruleset->ref_count++;
}

Contributors
Person Tokens Prop Commits CommitProp
Jiri Pirko 16 100.00% 1 100.00%
Total 16 100.00% 1 100.00%



static void mlxsw_sp_acl_ruleset_ref_dec(struct mlxsw_sp *mlxsw_sp,
					 struct mlxsw_sp_acl_ruleset *ruleset)
{
	if (--ruleset->ref_count)
		return;
	mlxsw_sp_acl_ruleset_unbind(mlxsw_sp, ruleset);
	mlxsw_sp_acl_ruleset_destroy(mlxsw_sp, ruleset);
}

Contributors
Person Tokens Prop Commits CommitProp
Jiri Pirko 38 100.00% 1 100.00%
Total 38 100.00% 1 100.00%


struct mlxsw_sp_acl_ruleset *

mlxsw_sp_acl_ruleset_get(struct mlxsw_sp *mlxsw_sp,
			 struct net_device *dev, bool ingress,
			 enum mlxsw_sp_acl_profile profile)
{
	const struct mlxsw_sp_acl_profile_ops *ops;
	struct mlxsw_sp_acl *acl = mlxsw_sp->acl;
	struct mlxsw_sp_acl_ruleset_ht_key ht_key;
	struct mlxsw_sp_acl_ruleset *ruleset;
	int err;

	ops = acl->ops->profile_ops(mlxsw_sp, profile);
	if (!ops)
		return ERR_PTR(-EINVAL);

	memset(&ht_key, 0, sizeof(ht_key));
	ht_key.dev = dev;
	ht_key.ingress = ingress;
	ht_key.ops = ops;
	ruleset = rhashtable_lookup_fast(&acl->ruleset_ht, &ht_key,
					 mlxsw_sp_acl_ruleset_ht_params);
	if (ruleset) {
		mlxsw_sp_acl_ruleset_ref_inc(ruleset);
		return ruleset;
	}
	ruleset = mlxsw_sp_acl_ruleset_create(mlxsw_sp, ops);
	if (IS_ERR(ruleset))
		return ruleset;
	err = mlxsw_sp_acl_ruleset_bind(mlxsw_sp, ruleset, dev, ingress);
	if (err)
		goto err_ruleset_bind;
	return ruleset;

err_ruleset_bind:
	mlxsw_sp_acl_ruleset_destroy(mlxsw_sp, ruleset);
	return ERR_PTR(err);
}

Contributors
Person Tokens Prop Commits CommitProp
Jiri Pirko 193 100.00% 1 100.00%
Total 193 100.00% 1 100.00%



void mlxsw_sp_acl_ruleset_put(struct mlxsw_sp *mlxsw_sp,
			      struct mlxsw_sp_acl_ruleset *ruleset)
{
	mlxsw_sp_acl_ruleset_ref_dec(mlxsw_sp, ruleset);
}

Contributors
Person Tokens Prop Commits CommitProp
Jiri Pirko 22 100.00% 1 100.00%
Total 22 100.00% 1 100.00%


static int

mlxsw_sp_acl_rulei_counter_alloc(struct mlxsw_sp *mlxsw_sp,
				 struct mlxsw_sp_acl_rule_info *rulei)
{
	int err;

	err = mlxsw_sp_flow_counter_alloc(mlxsw_sp, &rulei->counter_index);
	if (err)
		return err;
	rulei->counter_valid = true;
	return 0;
}

Contributors
Person Tokens Prop Commits CommitProp
Arkadi Sharshevsky 47 100.00% 1 100.00%
Total 47 100.00% 1 100.00%


static void

mlxsw_sp_acl_rulei_counter_free(struct mlxsw_sp *mlxsw_sp,
				struct mlxsw_sp_acl_rule_info *rulei)
{
	rulei->counter_valid = false;
	mlxsw_sp_flow_counter_free(mlxsw_sp, rulei->counter_index);
}

Contributors
Person Tokens Prop Commits CommitProp
Arkadi Sharshevsky 31 100.00% 1 100.00%
Total 31 100.00% 1 100.00%


struct mlxsw_sp_acl_rule_info *

mlxsw_sp_acl_rulei_create(struct mlxsw_sp_acl *acl)
{
	struct mlxsw_sp_acl_rule_info *rulei;
	int err;

	rulei = kzalloc(sizeof(*rulei), GFP_KERNEL);
	if (!rulei)
		return NULL;
	rulei->act_block = mlxsw_afa_block_create(acl->afa);
	if (IS_ERR(rulei->act_block)) {
		err = PTR_ERR(rulei->act_block);
		goto err_afa_block_create;
	}
	return rulei;

err_afa_block_create:
	kfree(rulei);
	return ERR_PTR(err);
}

Contributors
Person Tokens Prop Commits CommitProp
Jiri Pirko 91 100.00% 1 100.00%
Total 91 100.00% 1 100.00%



void mlxsw_sp_acl_rulei_destroy(struct mlxsw_sp_acl_rule_info *rulei)
{
	mlxsw_afa_block_destroy(rulei->act_block);
	kfree(rulei);
}

Contributors
Person Tokens Prop Commits CommitProp
Jiri Pirko 22 100.00% 1 100.00%
Total 22 100.00% 1 100.00%



int mlxsw_sp_acl_rulei_commit(struct mlxsw_sp_acl_rule_info *rulei)
{
	return mlxsw_afa_block_commit(rulei->act_block);
}

Contributors
Person Tokens Prop Commits CommitProp
Jiri Pirko 18 100.00% 1 100.00%
Total 18 100.00% 1 100.00%



void mlxsw_sp_acl_rulei_priority(struct mlxsw_sp_acl_rule_info *rulei,
				 unsigned int priority)
{
	rulei->priority = priority;
}

Contributors
Person Tokens Prop Commits CommitProp
Jiri Pirko 20 100.00% 1 100.00%
Total 20 100.00% 1 100.00%



void mlxsw_sp_acl_rulei_keymask_u32(struct mlxsw_sp_acl_rule_info *rulei,
				    enum mlxsw_afk_element element,
				    u32 key_value, u32 mask_value)
{
	mlxsw_afk_values_add_u32(&rulei->values, element,
				 key_value, mask_value);
}

Contributors
Person Tokens Prop Commits CommitProp
Jiri Pirko 34 100.00% 1 100.00%
Total 34 100.00% 1 100.00%



void mlxsw_sp_acl_rulei_keymask_buf(struct mlxsw_sp_acl_rule_info *rulei,
				    enum mlxsw_afk_element element,
				    const char *key_value,
				    const char *mask_value, unsigned int len)
{
	mlxsw_afk_values_add_buf(&rulei->values, element,
				 key_value, mask_value, len);
}

Contributors
Person Tokens Prop Commits CommitProp
Jiri Pirko 44 100.00% 1 100.00%
Total 44 100.00% 1 100.00%



void mlxsw_sp_acl_rulei_act_continue(struct mlxsw_sp_acl_rule_info *rulei)
{
	mlxsw_afa_block_continue(rulei->act_block);
}

Contributors
Person Tokens Prop Commits CommitProp
Jiri Pirko 17 100.00% 1 100.00%
Total 17 100.00% 1 100.00%



void mlxsw_sp_acl_rulei_act_jump(struct mlxsw_sp_acl_rule_info *rulei,
				 u16 group_id)
{
	mlxsw_afa_block_jump(rulei->act_block, group_id);
}

Contributors
Person Tokens Prop Commits CommitProp
Jiri Pirko 22 100.00% 1 100.00%
Total 22 100.00% 1 100.00%



int mlxsw_sp_acl_rulei_act_drop(struct mlxsw_sp_acl_rule_info *rulei)
{
	return mlxsw_afa_block_append_drop(rulei->act_block);
}

Contributors
Person Tokens Prop Commits CommitProp
Jiri Pirko 18 100.00% 1 100.00%
Total 18 100.00% 1 100.00%



int mlxsw_sp_acl_rulei_act_fwd(struct mlxsw_sp *mlxsw_sp,
			       struct mlxsw_sp_acl_rule_info *rulei,
			       struct net_device *out_dev)
{
	struct mlxsw_sp_port *mlxsw_sp_port;
	u8 local_port;
	bool in_port;

	if (out_dev) {
		if (!mlxsw_sp_port_dev_check(out_dev))
			return -EINVAL;
		mlxsw_sp_port = netdev_priv(out_dev);
		if (mlxsw_sp_port->mlxsw_sp != mlxsw_sp)
			return -EINVAL;
		local_port = mlxsw_sp_port->local_port;
		in_port = false;
	} else {
		/* If out_dev is NULL, the called wants to
                 * set forward to ingress port.
                 */
		local_port = 0;
		in_port = true;
	}
	return mlxsw_afa_block_append_fwd(rulei->act_block,
					  local_port, in_port);
}

Contributors
Person Tokens Prop Commits CommitProp
Jiri Pirko 102 100.00% 1 100.00%
Total 102 100.00% 1 100.00%



int mlxsw_sp_acl_rulei_act_vlan(struct mlxsw_sp *mlxsw_sp,
				struct mlxsw_sp_acl_rule_info *rulei,
				u32 action, u16 vid, u16 proto, u8 prio)
{
	u8 ethertype;

	if (action == TCA_VLAN_ACT_MODIFY) {
		switch (proto) {
		case ETH_P_8021Q:
			ethertype = 0;
			break;
		case ETH_P_8021AD:
			ethertype = 1;
			break;
		default:
			dev_err(mlxsw_sp->bus_info->dev, "Unsupported VLAN protocol %#04x\n",
				proto);
			return -EINVAL;
		}

		return mlxsw_afa_block_append_vlan_modify(rulei->act_block,
							  vid, prio, ethertype);
	} else {
		dev_err(mlxsw_sp->bus_info->dev, "Unsupported VLAN action\n");
		return -EINVAL;
	}
}

Contributors
Person Tokens Prop Commits CommitProp
Petr Machata 110 100.00% 1 100.00%
Total 110 100.00% 1 100.00%



int mlxsw_sp_acl_rulei_act_count(struct mlxsw_sp *mlxsw_sp,
				 struct mlxsw_sp_acl_rule_info *rulei)
{
	return mlxsw_afa_block_append_counter(rulei->act_block,
					      rulei->counter_index);
}

Contributors
Person Tokens Prop Commits CommitProp
Arkadi Sharshevsky 27 100.00% 1 100.00%
Total 27 100.00% 1 100.00%



int mlxsw_sp_acl_rulei_act_fid_set(struct mlxsw_sp *mlxsw_sp,
				   struct mlxsw_sp_acl_rule_info *rulei,
				   u16 fid)
{
	return mlxsw_afa_block_append_fid_set(rulei->act_block, fid);
}

Contributors
Person Tokens Prop Commits CommitProp
Jiri Pirko 28 100.00% 1 100.00%
Total 28 100.00% 1 100.00%


struct mlxsw_sp_acl_rule *

mlxsw_sp_acl_rule_create(struct mlxsw_sp *mlxsw_sp,
			 struct mlxsw_sp_acl_ruleset *ruleset,
			 unsigned long cookie)
{
	const struct mlxsw_sp_acl_profile_ops *ops = ruleset->ht_key.ops;
	struct mlxsw_sp_acl_rule *rule;
	int err;

	mlxsw_sp_acl_ruleset_ref_inc(ruleset);
	rule = kzalloc(sizeof(*rule) + ops->rule_priv_size, GFP_KERNEL);
	if (!rule) {
		err = -ENOMEM;
		goto err_alloc;
	}
	rule->cookie = cookie;
	rule->ruleset = ruleset;

	rule->rulei = mlxsw_sp_acl_rulei_create(mlxsw_sp->acl);
	if (IS_ERR(rule->rulei)) {
		err = PTR_ERR(rule->rulei);
		goto err_rulei_create;
	}

	err = mlxsw_sp_acl_rulei_counter_alloc(mlxsw_sp, rule->rulei);
	if (err)
		goto err_counter_alloc;
	return rule;

err_counter_alloc:
	mlxsw_sp_acl_rulei_destroy(rule->rulei);
err_rulei_create:
	kfree(rule);
err_alloc:
	mlxsw_sp_acl_ruleset_ref_dec(mlxsw_sp, ruleset);
	return ERR_PTR(err);
}

Contributors
Person Tokens Prop Commits CommitProp
Jiri Pirko 149 84.66% 1 50.00%
Arkadi Sharshevsky 27 15.34% 1 50.00%
Total 176 100.00% 2 100.00%



void mlxsw_sp_acl_rule_destroy(struct mlxsw_sp *mlxsw_sp,
			       struct mlxsw_sp_acl_rule *rule)
{
	struct mlxsw_sp_acl_ruleset *ruleset = rule->ruleset;

	mlxsw_sp_acl_rulei_counter_free(mlxsw_sp, rule->rulei);
	mlxsw_sp_acl_rulei_destroy(rule->rulei);
	kfree(rule);
	mlxsw_sp_acl_ruleset_ref_dec(mlxsw_sp, ruleset);
}

Contributors
Person Tokens Prop Commits CommitProp
Jiri Pirko 43 82.69% 1 50.00%
Arkadi Sharshevsky 9 17.31% 1 50.00%
Total 52 100.00% 2 100.00%



int mlxsw_sp_acl_rule_add(struct mlxsw_sp *mlxsw_sp,
			  struct mlxsw_sp_acl_rule *rule)
{
	struct mlxsw_sp_acl_ruleset *ruleset = rule->ruleset;
	const struct mlxsw_sp_acl_profile_ops *ops = ruleset->ht_key.ops;
	int err;

	err = ops->rule_add(mlxsw_sp, ruleset->priv, rule->priv, rule->rulei);
	if (err)
		return err;

	err = rhashtable_insert_fast(&ruleset->rule_ht, &rule->ht_node,
				     mlxsw_sp_acl_rule_ht_params);
	if (err)
		goto err_rhashtable_insert;

	list_add_tail(&rule->list, &mlxsw_sp->acl->rules);
	return 0;

err_rhashtable_insert:
	ops->rule_del(mlxsw_sp, rule->priv);
	return err;
}

Contributors
Person Tokens Prop Commits CommitProp
Jiri Pirko 110 88.00% 1 50.00%
Arkadi Sharshevsky 15 12.00% 1 50.00%
Total 125 100.00% 2 100.00%



void mlxsw_sp_acl_rule_del(struct mlxsw_sp *mlxsw_sp,
			   struct mlxsw_sp_acl_rule *rule)
{
	struct mlxsw_sp_acl_ruleset *ruleset = rule->ruleset;
	const struct mlxsw_sp_acl_profile_ops *ops = ruleset->ht_key.ops;

	list_del(&rule->list);
	rhashtable_remove_fast(&ruleset->rule_ht, &rule->ht_node,
			       mlxsw_sp_acl_rule_ht_params);
	ops->rule_del(mlxsw_sp, rule->priv);
}

Contributors
Person Tokens Prop Commits CommitProp
Jiri Pirko 62 88.57% 1 50.00%
Arkadi Sharshevsky 8 11.43% 1 50.00%
Total 70 100.00% 2 100.00%


struct mlxsw_sp_acl_rule *

mlxsw_sp_acl_rule_lookup(struct mlxsw_sp *mlxsw_sp,
			 struct mlxsw_sp_acl_ruleset *ruleset,
			 unsigned long cookie)
{
	return rhashtable_lookup_fast(&ruleset->rule_ht, &cookie,
				       mlxsw_sp_acl_rule_ht_params);
}

Contributors
Person Tokens Prop Commits CommitProp
Jiri Pirko 35 100.00% 1 100.00%
Total 35 100.00% 1 100.00%


struct mlxsw_sp_acl_rule_info *

mlxsw_sp_acl_rule_rulei(struct mlxsw_sp_acl_rule *rule)
{
	return rule->rulei;
}

Contributors
Person Tokens Prop Commits CommitProp
Jiri Pirko 17 100.00% 1 100.00%
Total 17 100.00% 1 100.00%



static int mlxsw_sp_acl_rule_activity_update(struct mlxsw_sp *mlxsw_sp,
					     struct mlxsw_sp_acl_rule *rule)
{
	struct mlxsw_sp_acl_ruleset *ruleset = rule->ruleset;
	const struct mlxsw_sp_acl_profile_ops *ops = ruleset->ht_key.ops;
	bool active;
	int err;

	err = ops->rule_activity_get(mlxsw_sp, rule->priv, &active);
	if (err)
		return err;
	if (active)
		rule->last_used = jiffies;
	return 0;
}

Contributors
Person Tokens Prop Commits CommitProp
Arkadi Sharshevsky 79 100.00% 1 100.00%
Total 79 100.00% 1 100.00%



static int mlxsw_sp_acl_rules_activity_update(struct mlxsw_sp_acl *acl)
{
	struct mlxsw_sp_acl_rule *rule;
	int err;

	/* Protect internal structures from changes */
	rtnl_lock();
	list_for_each_entry(rule, &acl->rules, list) {
		err = mlxsw_sp_acl_rule_activity_update(acl->mlxsw_sp,
							rule);
		if (err)
			goto err_rule_update;
	}
	rtnl_unlock();
	return 0;

err_rule_update:
	rtnl_unlock();
	return err;
}

Contributors
Person Tokens Prop Commits CommitProp
Arkadi Sharshevsky 65 100.00% 1 100.00%
Total 65 100.00% 1 100.00%



static void mlxsw_sp_acl_rule_activity_work_schedule(struct mlxsw_sp_acl *acl)
{
	unsigned long interval = acl->rule_activity_update.interval;

	mlxsw_core_schedule_dw(&acl->rule_activity_update.dw,
			       msecs_to_jiffies(interval));
}

Contributors
Person Tokens Prop Commits CommitProp
Arkadi Sharshevsky 36 100.00% 1 100.00%
Total 36 100.00% 1 100.00%



static void mlxsw_sp_acl_rul_activity_update_work(struct work_struct *work)
{
	struct mlxsw_sp_acl *acl = container_of(work, struct mlxsw_sp_acl,
						rule_activity_update.dw.work);
	int err;

	err = mlxsw_sp_acl_rules_activity_update(acl);
	if (err)
		dev_err(acl->mlxsw_sp->bus_info->dev, "Could not update acl activity");

	mlxsw_sp_acl_rule_activity_work_schedule(acl);
}

Contributors
Person Tokens Prop Commits CommitProp
Arkadi Sharshevsky 62 100.00% 1 100.00%
Total 62 100.00% 1 100.00%



int mlxsw_sp_acl_rule_get_stats(struct mlxsw_sp *mlxsw_sp,
				struct mlxsw_sp_acl_rule *rule,
				u64 *packets, u64 *bytes, u64 *last_use)

{
	struct mlxsw_sp_acl_rule_info *rulei;
	u64 current_packets;
	u64 current_bytes;
	int err;

	rulei = mlxsw_sp_acl_rule_rulei(rule);
	err = mlxsw_sp_flow_counter_get(mlxsw_sp, rulei->counter_index,
					&current_packets, &current_bytes);
	if (err)
		return err;

	*packets = current_packets - rule->last_packets;
	*bytes = current_bytes - rule->last_bytes;
	*last_use = rule->last_used;

	rule->last_bytes = current_bytes;
	rule->last_packets = current_packets;

	return 0;
}

Contributors
Person Tokens Prop Commits CommitProp
Arkadi Sharshevsky 112 100.00% 1 100.00%
Total 112 100.00% 1 100.00%


#define MLXSW_SP_KDVL_ACT_EXT_SIZE 1



static int mlxsw_sp_act_kvdl_set_add(void *priv, u32 *p_kvdl_index,
				     char *enc_actions, bool is_first)
{
	struct mlxsw_sp *mlxsw_sp = priv;
	char pefa_pl[MLXSW_REG_PEFA_LEN];
	u32 kvdl_index;
	int err;

	/* The first action set of a TCAM entry is stored directly in TCAM,
         * not KVD linear area.
         */
	if (is_first)
		return 0;

	err = mlxsw_sp_kvdl_alloc(mlxsw_sp, MLXSW_SP_KDVL_ACT_EXT_SIZE,
				  &kvdl_index);
	if (err)
		return err;
	mlxsw_reg_pefa_pack(pefa_pl, kvdl_index, enc_actions);
	err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(pefa), pefa_pl);
	if (err)
		goto err_pefa_write;
	*p_kvdl_index = kvdl_index;
	return 0;

err_pefa_write:
	mlxsw_sp_kvdl_free(mlxsw_sp, kvdl_index);
	return err;
}

Contributors
Person Tokens Prop Commits CommitProp
Jiri Pirko 113 94.96% 1 50.00%
Arkadi Sharshevsky 6 5.04% 1 50.00%
Total 119 100.00% 2 100.00%



static void mlxsw_sp_act_kvdl_set_del(void *priv, u32 kvdl_index,
				      bool is_first)
{
	struct mlxsw_sp *mlxsw_sp = priv;

	if (is_first)
		return;
	mlxsw_sp_kvdl_free(mlxsw_sp, kvdl_index);
}

Contributors
Person Tokens Prop Commits CommitProp
Jiri Pirko 35 100.00% 1 100.00%
Total 35 100.00% 1 100.00%



static int mlxsw_sp_act_kvdl_fwd_entry_add(void *priv, u32 *p_kvdl_index,
					   u8 local_port)
{
	struct mlxsw_sp *mlxsw_sp = priv;
	char ppbs_pl[MLXSW_REG_PPBS_LEN];
	u32 kvdl_index;
	int err;

	err = mlxsw_sp_kvdl_alloc(mlxsw_sp, 1, &kvdl_index);
	if (err)
		return err;
	mlxsw_reg_ppbs_pack(ppbs_pl, kvdl_index, local_port);
	err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(ppbs), ppbs_pl);
	if (err)
		goto err_ppbs_write;
	*p_kvdl_index = kvdl_index;
	return 0;

err_ppbs_write:
	mlxsw_sp_kvdl_free(mlxsw_sp, kvdl_index);
	return err;
}

Contributors
Person Tokens Prop Commits CommitProp
Jiri Pirko 101 94.39% 1 50.00%
Arkadi Sharshevsky 6 5.61% 1 50.00%
Total 107 100.00% 2 100.00%



static void mlxsw_sp_act_kvdl_fwd_entry_del(void *priv, u32 kvdl_index)
{
	struct mlxsw_sp *mlxsw_sp = priv;

	mlxsw_sp_kvdl_free(mlxsw_sp, kvdl_index);
}

Contributors
Person Tokens Prop Commits CommitProp
Jiri Pirko 27 100.00% 1 100.00%
Total 27 100.00% 1 100.00%


static const struct mlxsw_afa_ops mlxsw_sp_act_afa_ops = {
	.kvdl_set_add		= mlxsw_sp_act_kvdl_set_add,
	.kvdl_set_del		= mlxsw_sp_act_kvdl_set_del,
	.kvdl_fwd_entry_add	= mlxsw_sp_act_kvdl_fwd_entry_add,
	.kvdl_fwd_entry_del	= mlxsw_sp_act_kvdl_fwd_entry_del,
};



int mlxsw_sp_acl_init(struct mlxsw_sp *mlxsw_sp)
{
	const struct mlxsw_sp_acl_ops *acl_ops = &mlxsw_sp_acl_tcam_ops;
	struct mlxsw_sp_acl *acl;
	int err;

	acl = kzalloc(sizeof(*acl) + acl_ops->priv_size, GFP_KERNEL);
	if (!acl)
		return -ENOMEM;
	mlxsw_sp->acl = acl;
	acl->mlxsw_sp = mlxsw_sp;
	acl->afk = mlxsw_afk_create(MLXSW_CORE_RES_GET(mlxsw_sp->core,
						       ACL_FLEX_KEYS),
				    mlxsw_sp_afk_blocks,
				    MLXSW_SP_AFK_BLOCKS_COUNT);
	if (!acl->afk) {
		err = -ENOMEM;
		goto err_afk_create;
	}

	acl->afa = mlxsw_afa_create(MLXSW_CORE_RES_GET(mlxsw_sp->core,
						       ACL_ACTIONS_PER_SET),
				    &mlxsw_sp_act_afa_ops, mlxsw_sp);
	if (IS_ERR(acl->afa)) {
		err = PTR_ERR(acl->afa);
		goto err_afa_create;
	}

	err = rhashtable_init(&acl->ruleset_ht,
			      &mlxsw_sp_acl_ruleset_ht_params);
	if (err)
		goto err_rhashtable_init;

	INIT_LIST_HEAD(&acl->rules);
	err = acl_ops->init(mlxsw_sp, acl->priv);
	if (err)
		goto err_acl_ops_init;

	acl->ops = acl_ops;

	/* Create the delayed work for the rule activity_update */
	INIT_DELAYED_WORK(&acl->rule_activity_update.dw,
			  mlxsw_sp_acl_rul_activity_update_work);
	acl->rule_activity_update.interval = MLXSW_SP_ACL_RULE_ACTIVITY_UPDATE_PERIOD_MS;
	mlxsw_core_schedule_dw(&acl->rule_activity_update.dw, 0);
	return 0;

err_acl_ops_init:
	rhashtable_destroy(&acl->ruleset_ht);
err_rhashtable_init:
	mlxsw_afa_destroy(acl->afa);
err_afa_create:
	mlxsw_afk_destroy(acl->afk);
err_afk_create:
	kfree(acl);
	return err;
}

Contributors
Person Tokens Prop Commits CommitProp
Jiri Pirko 227 82.85% 1 33.33%
Arkadi Sharshevsky 47 17.15% 2 66.67%
Total 274 100.00% 3 100.00%



void mlxsw_sp_acl_fini(struct mlxsw_sp *mlxsw_sp)
{
	struct mlxsw_sp_acl *acl = mlxsw_sp->acl;
	const struct mlxsw_sp_acl_ops *acl_ops = acl->ops;

	cancel_delayed_work_sync(&mlxsw_sp->acl->rule_activity_update.dw);
	acl_ops->fini(mlxsw_sp, acl->priv);
	WARN_ON(!list_empty(&acl->rules));
	rhashtable_destroy(&acl->ruleset_ht);
	mlxsw_afa_destroy(acl->afa);
	mlxsw_afk_destroy(acl->afk);
	kfree(acl);
}
Contributors
Person Tokens Prop Commits CommitProp
Jiri Pirko 67 73.63% 1 33.33%
Arkadi Sharshevsky 24 26.37% 2 66.67%
Total 91 100.00% 3 100.00%

Overall Contributors
Person Tokens Prop Commits CommitProp
Jiri Pirko 2373 75.89% 2 25.00%
Arkadi Sharshevsky 641 20.50% 5 62.50%
Petr Machata 113 3.61% 1 12.50%
Total 3127 100.00% 8 100.00%
Directory: drivers/net/ethernet/mellanox/mlxsw

Information contained on this website is for historical information purposes only and does not indicate or represent copyright ownership.
Created with cregit.
Person	Tokens	Prop	Commits	CommitProp
Jiri Pirko	17	100.00%	1	100.00%
Total	17	100.00%	1	100.00%
cregit-Linux how code gets into the kernel

Release 4.12 drivers/net/ethernet/mellanox/mlxsw/spectrum_acl.c

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