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net/mlx5e: HTB, reduce visibility of htb functions

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No need to expose all htb tc functions to the main driver file,
expose only the master htb tc function mlx5e_htb_setup_tc()
which selects the internal "now static" function to call.

Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Signed-off-by: Moshe Tal <moshet@nvidia.com>
Reviewed-by: Tariq Toukan <tariqt@nvidia.com>
Reviewed-by: Maxim Mikityanskiy <maximmi@nvidia.com>
This commit is contained in:
Saeed Mahameed
2021-02-09 14:31:15 -08:00
parent 0bb7228f70
commit efe317997e
3 changed files with 70 additions and 74 deletions
Download Patch File Download Diff File Expand all files Collapse all files

84
drivers/net/ethernet/mellanox/mlx5/core/en/qos.c
View File

@@ -2,6 +2,7 @@
/* Copyright (c) 2020, Mellanox Technologies inc. All rights reserved. */
#include <net/sch_generic.h>
#include <net/pkt_cls.h>
#include "en.h"
#include "params.h"
#include "../qos.h"
@@ -482,10 +483,11 @@ static void mlx5e_qos_deactivate_all_queues(struct mlx5e_channels *chs)
mlx5e_qos_deactivate_queues(chs->c[i]);
}
/* HTB API */
/* HTB TC handlers */
int mlx5e_htb_root_add(struct mlx5e_priv *priv, u16 htb_maj_id, u16 htb_defcls,
struct netlink_ext_ack *extack)
static int
mlx5e_htb_root_add(struct mlx5e_priv *priv, u16 htb_maj_id, u16 htb_defcls,
struct netlink_ext_ack *extack)
{
struct mlx5e_qos_node *root;
bool opened;
@@ -542,7 +544,7 @@ int mlx5e_htb_root_add(struct mlx5e_priv *priv, u16 htb_maj_id, u16 htb_defcls,
return err;
}
int mlx5e_htb_root_del(struct mlx5e_priv *priv)
static int mlx5e_htb_root_del(struct mlx5e_priv *priv)
{
struct mlx5e_qos_node *root;
int err;
@@ -607,9 +609,10 @@ static void mlx5e_htb_convert_ceil(struct mlx5e_priv *priv, u64 ceil, u32 *max_a
ceil, *max_average_bw);
}
int mlx5e_htb_leaf_alloc_queue(struct mlx5e_priv *priv, u16 classid,
u32 parent_classid, u64 rate, u64 ceil,
struct netlink_ext_ack *extack)
static int
mlx5e_htb_leaf_alloc_queue(struct mlx5e_priv *priv, u16 classid,
u32 parent_classid, u64 rate, u64 ceil,
struct netlink_ext_ack *extack)
{
struct mlx5e_qos_node *node, *parent;
int qid;
@@ -661,8 +664,9 @@ int mlx5e_htb_leaf_alloc_queue(struct mlx5e_priv *priv, u16 classid,
return mlx5e_qid_from_qos(&priv->channels, node->qid);
}
int mlx5e_htb_leaf_to_inner(struct mlx5e_priv *priv, u16 classid, u16 child_classid,
u64 rate, u64 ceil, struct netlink_ext_ack *extack)
static int
mlx5e_htb_leaf_to_inner(struct mlx5e_priv *priv, u16 classid, u16 child_classid,
u64 rate, u64 ceil, struct netlink_ext_ack *extack)
{
struct mlx5e_qos_node *node, *child;
int err, tmp_err;
@@ -781,8 +785,8 @@ static void mlx5e_reset_qdisc(struct net_device *dev, u16 qid)
spin_unlock_bh(qdisc_lock(qdisc));
}
int mlx5e_htb_leaf_del(struct mlx5e_priv *priv, u16 *classid,
struct netlink_ext_ack *extack)
static int mlx5e_htb_leaf_del(struct mlx5e_priv *priv, u16 *classid,
struct netlink_ext_ack *extack)
{
struct mlx5e_qos_node *node;
struct netdev_queue *txq;
@@ -876,8 +880,9 @@ int mlx5e_htb_leaf_del(struct mlx5e_priv *priv, u16 *classid,
return 0;
}
int mlx5e_htb_leaf_del_last(struct mlx5e_priv *priv, u16 classid, bool force,
struct netlink_ext_ack *extack)
static int
mlx5e_htb_leaf_del_last(struct mlx5e_priv *priv, u16 classid, bool force,
struct netlink_ext_ack *extack)
{
struct mlx5e_qos_node *node, *parent;
u32 old_hw_id, new_hw_id;
@@ -956,8 +961,9 @@ int mlx5e_htb_leaf_del_last(struct mlx5e_priv *priv, u16 classid, bool force,
return 0;
}
static int mlx5e_qos_update_children(struct mlx5e_priv *priv, struct mlx5e_qos_node *node,
struct netlink_ext_ack *extack)
static int
mlx5e_qos_update_children(struct mlx5e_priv *priv, struct mlx5e_qos_node *node,
struct netlink_ext_ack *extack)
{
struct mlx5e_qos_node *child;
int err = 0;
@@ -988,8 +994,9 @@ static int mlx5e_qos_update_children(struct mlx5e_priv *priv, struct mlx5e_qos_n
return err;
}
int mlx5e_htb_node_modify(struct mlx5e_priv *priv, u16 classid, u64 rate, u64 ceil,
struct netlink_ext_ack *extack)
static int
mlx5e_htb_node_modify(struct mlx5e_priv *priv, u16 classid, u64 rate, u64 ceil,
struct netlink_ext_ack *extack)
{
u32 bw_share, max_average_bw;
struct mlx5e_qos_node *node;
@@ -1028,6 +1035,48 @@ int mlx5e_htb_node_modify(struct mlx5e_priv *priv, u16 classid, u64 rate, u64 ce
return err;
}
/* HTB API */
int mlx5e_htb_setup_tc(struct mlx5e_priv *priv, struct tc_htb_qopt_offload *htb)
{
int res;
switch (htb->command) {
case TC_HTB_CREATE:
return mlx5e_htb_root_add(priv, htb->parent_classid, htb->classid,
htb->extack);
case TC_HTB_DESTROY:
return mlx5e_htb_root_del(priv);
case TC_HTB_LEAF_ALLOC_QUEUE:
res = mlx5e_htb_leaf_alloc_queue(priv, htb->classid, htb->parent_classid,
htb->rate, htb->ceil, htb->extack);
if (res < 0)
return res;
htb->qid = res;
return 0;
case TC_HTB_LEAF_TO_INNER:
return mlx5e_htb_leaf_to_inner(priv, htb->parent_classid, htb->classid,
htb->rate, htb->ceil, htb->extack);
case TC_HTB_LEAF_DEL:
return mlx5e_htb_leaf_del(priv, &htb->classid, htb->extack);
case TC_HTB_LEAF_DEL_LAST:
case TC_HTB_LEAF_DEL_LAST_FORCE:
return mlx5e_htb_leaf_del_last(priv, htb->classid,
htb->command == TC_HTB_LEAF_DEL_LAST_FORCE,
htb->extack);
case TC_HTB_NODE_MODIFY:
return mlx5e_htb_node_modify(priv, htb->classid, htb->rate, htb->ceil,
htb->extack);
case TC_HTB_LEAF_QUERY_QUEUE:
res = mlx5e_get_txq_by_classid(priv, htb->classid);
if (res < 0)
return res;
htb->qid = res;
return 0;
default:
return -EOPNOTSUPP;
}
}
struct mlx5e_mqprio_rl {
struct mlx5_core_dev *mdev;
u32 root_id;
@@ -1111,3 +1160,4 @@ int mlx5e_mqprio_rl_get_node_hw_id(struct mlx5e_mqprio_rl *rl, int tc, u32 *hw_i
*hw_id = rl->leaves_id[tc];
return 0;
}

16
drivers/net/ethernet/mellanox/mlx5/core/en/qos.h
View File

@@ -11,6 +11,7 @@
struct mlx5e_priv;
struct mlx5e_channels;
struct mlx5e_channel;
struct tc_htb_qopt_offload;
int mlx5e_qos_bytes_rate_check(struct mlx5_core_dev *mdev, u64 nbytes);
int mlx5e_qos_max_leaf_nodes(struct mlx5_core_dev *mdev);
@@ -26,20 +27,7 @@ void mlx5e_qos_deactivate_queues(struct mlx5e_channel *c);
void mlx5e_qos_close_queues(struct mlx5e_channel *c);
/* HTB API */
int mlx5e_htb_root_add(struct mlx5e_priv *priv, u16 htb_maj_id, u16 htb_defcls,
struct netlink_ext_ack *extack);
int mlx5e_htb_root_del(struct mlx5e_priv *priv);
int mlx5e_htb_leaf_alloc_queue(struct mlx5e_priv *priv, u16 classid,
u32 parent_classid, u64 rate, u64 ceil,
struct netlink_ext_ack *extack);
int mlx5e_htb_leaf_to_inner(struct mlx5e_priv *priv, u16 classid, u16 child_classid,
u64 rate, u64 ceil, struct netlink_ext_ack *extack);
int mlx5e_htb_leaf_del(struct mlx5e_priv *priv, u16 *classid,
struct netlink_ext_ack *extack);
int mlx5e_htb_leaf_del_last(struct mlx5e_priv *priv, u16 classid, bool force,
struct netlink_ext_ack *extack);
int mlx5e_htb_node_modify(struct mlx5e_priv *priv, u16 classid, u64 rate, u64 ceil,
struct netlink_ext_ack *extack);
int mlx5e_htb_setup_tc(struct mlx5e_priv *priv, struct tc_htb_qopt_offload *htb);
/* MQPRIO TX rate limit */
struct mlx5e_mqprio_rl;

44
drivers/net/ethernet/mellanox/mlx5/core/en_main.c
View File

@@ -31,7 +31,6 @@
*/
#include <net/tc_act/tc_gact.h>
#include <net/pkt_cls.h>
#include <linux/mlx5/fs.h>
#include <net/vxlan.h>
#include <net/geneve.h>
@@ -3420,47 +3419,6 @@ static int mlx5e_setup_tc_mqprio(struct mlx5e_priv *priv,
}
}
static int mlx5e_setup_tc_htb(struct mlx5e_priv *priv, struct tc_htb_qopt_offload *htb)
{
int res;
switch (htb->command) {
case TC_HTB_CREATE:
return mlx5e_htb_root_add(priv, htb->parent_classid, htb->classid,
htb->extack);
case TC_HTB_DESTROY:
return mlx5e_htb_root_del(priv);
case TC_HTB_LEAF_ALLOC_QUEUE:
res = mlx5e_htb_leaf_alloc_queue(priv, htb->classid, htb->parent_classid,
htb->rate, htb->ceil, htb->extack);
if (res < 0)
return res;
htb->qid = res;
return 0;
case TC_HTB_LEAF_TO_INNER:
return mlx5e_htb_leaf_to_inner(priv, htb->parent_classid, htb->classid,
htb->rate, htb->ceil, htb->extack);
case TC_HTB_LEAF_DEL:
return mlx5e_htb_leaf_del(priv, &htb->classid, htb->extack);
case TC_HTB_LEAF_DEL_LAST:
case TC_HTB_LEAF_DEL_LAST_FORCE:
return mlx5e_htb_leaf_del_last(priv, htb->classid,
htb->command == TC_HTB_LEAF_DEL_LAST_FORCE,
htb->extack);
case TC_HTB_NODE_MODIFY:
return mlx5e_htb_node_modify(priv, htb->classid, htb->rate, htb->ceil,
htb->extack);
case TC_HTB_LEAF_QUERY_QUEUE:
res = mlx5e_get_txq_by_classid(priv, htb->classid);
if (res < 0)
return res;
htb->qid = res;
return 0;
default:
return -EOPNOTSUPP;
}
}
static LIST_HEAD(mlx5e_block_cb_list);
static int mlx5e_setup_tc(struct net_device *dev, enum tc_setup_type type,
@@ -3494,7 +3452,7 @@ static int mlx5e_setup_tc(struct net_device *dev, enum tc_setup_type type,
return err;
case TC_SETUP_QDISC_HTB:
mutex_lock(&priv->state_lock);
err = mlx5e_setup_tc_htb(priv, type_data);
err = mlx5e_htb_setup_tc(priv, type_data);
mutex_unlock(&priv->state_lock);
return err;
default: