Release 4.12 drivers/net/ethernet/mellanox/mlx4/intf.c
/*
* Copyright (c) 2006, 2007 Cisco Systems, Inc. All rights reserved.
* Copyright (c) 2007, 2008 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/slab.h>
#include <linux/export.h>
#include <linux/errno.h>
#include <net/devlink.h>
#include "mlx4.h"
struct mlx4_device_context {
struct list_head list;
struct list_head bond_list;
struct mlx4_interface *intf;
void *context;
};
static LIST_HEAD(intf_list);
static LIST_HEAD(dev_list);
static DEFINE_MUTEX(intf_mutex);
static void mlx4_add_device(struct mlx4_interface *intf, struct mlx4_priv *priv)
{
struct mlx4_device_context *dev_ctx;
dev_ctx = kmalloc(sizeof *dev_ctx, GFP_KERNEL);
if (!dev_ctx)
return;
dev_ctx->intf = intf;
dev_ctx->context = intf->add(&priv->dev);
if (dev_ctx->context) {
spin_lock_irq(&priv->ctx_lock);
list_add_tail(&dev_ctx->list, &priv->ctx_list);
spin_unlock_irq(&priv->ctx_lock);
if (intf->activate)
intf->activate(&priv->dev, dev_ctx->context);
} else
kfree(dev_ctx);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Roland Dreier | 101 | 83.47% | 1 | 50.00% |
| Moni Shoua | 20 | 16.53% | 1 | 50.00% |
| Total | 121 | 100.00% | 2 | 100.00% |
static void mlx4_remove_device(struct mlx4_interface *intf, struct mlx4_priv *priv)
{
struct mlx4_device_context *dev_ctx;
list_for_each_entry(dev_ctx, &priv->ctx_list, list)
if (dev_ctx->intf == intf) {
spin_lock_irq(&priv->ctx_lock);
list_del(&dev_ctx->list);
spin_unlock_irq(&priv->ctx_lock);
intf->remove(&priv->dev, dev_ctx->context);
kfree(dev_ctx);
return;
}
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Roland Dreier | 83 | 100.00% | 1 | 100.00% |
| Total | 83 | 100.00% | 1 | 100.00% |
int mlx4_register_interface(struct mlx4_interface *intf)
{
struct mlx4_priv *priv;
if (!intf->add || !intf->remove)
return -EINVAL;
mutex_lock(&intf_mutex);
list_add_tail(&intf->list, &intf_list);
list_for_each_entry(priv, &dev_list, dev_list) {
if (mlx4_is_mfunc(&priv->dev) && (intf->flags & MLX4_INTFF_BONDING)) {
mlx4_dbg(&priv->dev,
"SRIOV, disabling HA mode for intf proto %d\n", intf->protocol);
intf->flags &= ~MLX4_INTFF_BONDING;
}
mlx4_add_device(intf, priv);
}
mutex_unlock(&intf_mutex);
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Roland Dreier | 72 | 62.61% | 1 | 50.00% |
| Or Gerlitz | 43 | 37.39% | 1 | 50.00% |
| Total | 115 | 100.00% | 2 | 100.00% |
EXPORT_SYMBOL_GPL(mlx4_register_interface);
void mlx4_unregister_interface(struct mlx4_interface *intf)
{
struct mlx4_priv *priv;
mutex_lock(&intf_mutex);
list_for_each_entry(priv, &dev_list, dev_list)
mlx4_remove_device(intf, priv);
list_del(&intf->list);
mutex_unlock(&intf_mutex);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Roland Dreier | 50 | 100.00% | 1 | 100.00% |
| Total | 50 | 100.00% | 1 | 100.00% |
EXPORT_SYMBOL_GPL(mlx4_unregister_interface);
int mlx4_do_bond(struct mlx4_dev *dev, bool enable)
{
struct mlx4_priv *priv = mlx4_priv(dev);
struct mlx4_device_context *dev_ctx = NULL, *temp_dev_ctx;
unsigned long flags;
int ret;
LIST_HEAD(bond_list);
if (!(dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_PORT_REMAP))
return -EOPNOTSUPP;
ret = mlx4_disable_rx_port_check(dev, enable);
if (ret) {
mlx4_err(dev, "Fail to %s rx port check\n",
enable ? "enable" : "disable");
return ret;
}
if (enable) {
dev->flags |= MLX4_FLAG_BONDED;
} else {
ret = mlx4_virt2phy_port_map(dev, 1, 2);
if (ret) {
mlx4_err(dev, "Fail to reset port map\n");
return ret;
}
dev->flags &= ~MLX4_FLAG_BONDED;
}
spin_lock_irqsave(&priv->ctx_lock, flags);
list_for_each_entry_safe(dev_ctx, temp_dev_ctx, &priv->ctx_list, list) {
if (dev_ctx->intf->flags & MLX4_INTFF_BONDING) {
list_add_tail(&dev_ctx->bond_list, &bond_list);
list_del(&dev_ctx->list);
}
}
spin_unlock_irqrestore(&priv->ctx_lock, flags);
list_for_each_entry(dev_ctx, &bond_list, bond_list) {
dev_ctx->intf->remove(dev, dev_ctx->context);
dev_ctx->context = dev_ctx->intf->add(dev);
spin_lock_irqsave(&priv->ctx_lock, flags);
list_add_tail(&dev_ctx->list, &priv->ctx_list);
spin_unlock_irqrestore(&priv->ctx_lock, flags);
mlx4_dbg(dev, "Inrerface for protocol %d restarted with when bonded mode is %s\n",
dev_ctx->intf->protocol, enable ?
"enabled" : "disabled");
}
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Moni Shoua | 295 | 99.66% | 1 | 50.00% |
| Or Gerlitz | 1 | 0.34% | 1 | 50.00% |
| Total | 296 | 100.00% | 2 | 100.00% |
void mlx4_dispatch_event(struct mlx4_dev *dev, enum mlx4_dev_event type,
unsigned long param)
{
struct mlx4_priv *priv = mlx4_priv(dev);
struct mlx4_device_context *dev_ctx;
unsigned long flags;
spin_lock_irqsave(&priv->ctx_lock, flags);
list_for_each_entry(dev_ctx, &priv->ctx_list, list)
if (dev_ctx->intf->event)
dev_ctx->intf->event(dev, dev_ctx->context, type, param);
spin_unlock_irqrestore(&priv->ctx_lock, flags);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Roland Dreier | 86 | 95.56% | 2 | 66.67% |
| Jack Morgenstein | 4 | 4.44% | 1 | 33.33% |
| Total | 90 | 100.00% | 3 | 100.00% |
int mlx4_register_device(struct mlx4_dev *dev)
{
struct mlx4_priv *priv = mlx4_priv(dev);
struct mlx4_interface *intf;
mutex_lock(&intf_mutex);
dev->persist->interface_state |= MLX4_INTERFACE_STATE_UP;
list_add_tail(&priv->dev_list, &dev_list);
list_for_each_entry(intf, &intf_list, list)
mlx4_add_device(intf, priv);
mutex_unlock(&intf_mutex);
mlx4_start_catas_poll(dev);
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Roland Dreier | 66 | 83.54% | 1 | 33.33% |
| Yishai Hadas | 8 | 10.13% | 1 | 33.33% |
| Jack Morgenstein | 5 | 6.33% | 1 | 33.33% |
| Total | 79 | 100.00% | 3 | 100.00% |
void mlx4_unregister_device(struct mlx4_dev *dev)
{
struct mlx4_priv *priv = mlx4_priv(dev);
struct mlx4_interface *intf;
if (!(dev->persist->interface_state & MLX4_INTERFACE_STATE_UP))
return;
mlx4_stop_catas_poll(dev);
if (dev->persist->interface_state & MLX4_INTERFACE_STATE_DELETION &&
mlx4_is_slave(dev)) {
/* In mlx4_remove_one on a VF */
u32 slave_read =
swab32(readl(&mlx4_priv(dev)->mfunc.comm->slave_read));
if (mlx4_comm_internal_err(slave_read)) {
mlx4_dbg(dev, "%s: comm channel is down, entering error state.\n",
__func__);
mlx4_enter_error_state(dev->persist);
}
}
mutex_lock(&intf_mutex);
list_for_each_entry(intf, &intf_list, list)
mlx4_remove_device(intf, priv);
list_del(&priv->dev_list);
dev->persist->interface_state &= ~MLX4_INTERFACE_STATE_UP;
mutex_unlock(&intf_mutex);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Jack Morgenstein | 69 | 45.39% | 2 | 40.00% |
| Roland Dreier | 60 | 39.47% | 1 | 20.00% |
| Alex Vesker | 14 | 9.21% | 1 | 20.00% |
| Yishai Hadas | 9 | 5.92% | 1 | 20.00% |
| Total | 152 | 100.00% | 5 | 100.00% |
void *mlx4_get_protocol_dev(struct mlx4_dev *dev, enum mlx4_protocol proto, int port)
{
struct mlx4_priv *priv = mlx4_priv(dev);
struct mlx4_device_context *dev_ctx;
unsigned long flags;
void *result = NULL;
spin_lock_irqsave(&priv->ctx_lock, flags);
list_for_each_entry(dev_ctx, &priv->ctx_list, list)
if (dev_ctx->intf->protocol == proto && dev_ctx->intf->get_dev) {
result = dev_ctx->intf->get_dev(dev, dev_ctx->context, port);
break;
}
spin_unlock_irqrestore(&priv->ctx_lock, flags);
return result;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Eli Cohen | 110 | 100.00% | 1 | 100.00% |
| Total | 110 | 100.00% | 1 | 100.00% |
EXPORT_SYMBOL_GPL(mlx4_get_protocol_dev);
struct devlink_port *mlx4_get_devlink_port(struct mlx4_dev *dev, int port)
{
struct mlx4_port_info *info = &mlx4_priv(dev)->port[port];
return &info->devlink_port;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Jiri Pirko | 37 | 100.00% | 1 | 100.00% |
| Total | 37 | 100.00% | 1 | 100.00% |
EXPORT_SYMBOL_GPL(mlx4_get_devlink_port);
Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Roland Dreier | 567 | 46.90% | 2 | 12.50% |
| Moni Shoua | 322 | 26.63% | 2 | 12.50% |
| Eli Cohen | 115 | 9.51% | 1 | 6.25% |
| Jack Morgenstein | 79 | 6.53% | 4 | 25.00% |
| Jiri Pirko | 45 | 3.72% | 1 | 6.25% |
| Or Gerlitz | 44 | 3.64% | 2 | 12.50% |
| Yishai Hadas | 17 | 1.41% | 1 | 6.25% |
| Alex Vesker | 14 | 1.16% | 1 | 6.25% |
| Tejun Heo | 3 | 0.25% | 1 | 6.25% |
| Paul Gortmaker | 3 | 0.25% | 1 | 6.25% |
| Total | 1209 | 100.00% | 16 | 100.00% |
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