mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-25 13:43:55 +08:00
59bfde01fa
Some HWs need the VF driver to put part of the packet headers on the TX descriptor so the e-switch can do proper matching and steering. The supported modes: none, link, network, transport. Signed-off-by: Roi Dayan <roid@mellanox.com> Reviewed-by: Or Gerlitz <ogerlitz@mellanox.com> Signed-off-by: Saeed Mahameed <saeedm@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
1898 lines
48 KiB
C
1898 lines
48 KiB
C
/*
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* net/core/devlink.c - Network physical/parent device Netlink interface
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*
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* Heavily inspired by net/wireless/
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* Copyright (c) 2016 Mellanox Technologies. All rights reserved.
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* Copyright (c) 2016 Jiri Pirko <jiri@mellanox.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*/
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#include <linux/kernel.h>
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#include <linux/module.h>
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#include <linux/types.h>
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#include <linux/slab.h>
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#include <linux/gfp.h>
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#include <linux/device.h>
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#include <linux/list.h>
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#include <linux/netdevice.h>
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#include <rdma/ib_verbs.h>
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#include <net/netlink.h>
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#include <net/genetlink.h>
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#include <net/rtnetlink.h>
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#include <net/net_namespace.h>
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#include <net/sock.h>
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#include <net/devlink.h>
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#define CREATE_TRACE_POINTS
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#include <trace/events/devlink.h>
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EXPORT_TRACEPOINT_SYMBOL_GPL(devlink_hwmsg);
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static LIST_HEAD(devlink_list);
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/* devlink_mutex
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*
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* An overall lock guarding every operation coming from userspace.
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* It also guards devlink devices list and it is taken when
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* driver registers/unregisters it.
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*/
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static DEFINE_MUTEX(devlink_mutex);
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/* devlink_port_mutex
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*
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* Shared lock to guard lists of ports in all devlink devices.
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*/
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static DEFINE_MUTEX(devlink_port_mutex);
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static struct net *devlink_net(const struct devlink *devlink)
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{
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return read_pnet(&devlink->_net);
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}
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static void devlink_net_set(struct devlink *devlink, struct net *net)
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{
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write_pnet(&devlink->_net, net);
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}
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static struct devlink *devlink_get_from_attrs(struct net *net,
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struct nlattr **attrs)
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{
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struct devlink *devlink;
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char *busname;
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char *devname;
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if (!attrs[DEVLINK_ATTR_BUS_NAME] || !attrs[DEVLINK_ATTR_DEV_NAME])
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return ERR_PTR(-EINVAL);
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busname = nla_data(attrs[DEVLINK_ATTR_BUS_NAME]);
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devname = nla_data(attrs[DEVLINK_ATTR_DEV_NAME]);
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list_for_each_entry(devlink, &devlink_list, list) {
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if (strcmp(devlink->dev->bus->name, busname) == 0 &&
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strcmp(dev_name(devlink->dev), devname) == 0 &&
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net_eq(devlink_net(devlink), net))
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return devlink;
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}
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return ERR_PTR(-ENODEV);
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}
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static struct devlink *devlink_get_from_info(struct genl_info *info)
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{
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return devlink_get_from_attrs(genl_info_net(info), info->attrs);
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}
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static struct devlink_port *devlink_port_get_by_index(struct devlink *devlink,
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int port_index)
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{
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struct devlink_port *devlink_port;
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list_for_each_entry(devlink_port, &devlink->port_list, list) {
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if (devlink_port->index == port_index)
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return devlink_port;
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}
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return NULL;
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}
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static bool devlink_port_index_exists(struct devlink *devlink, int port_index)
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{
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return devlink_port_get_by_index(devlink, port_index);
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}
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static struct devlink_port *devlink_port_get_from_attrs(struct devlink *devlink,
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struct nlattr **attrs)
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{
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if (attrs[DEVLINK_ATTR_PORT_INDEX]) {
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u32 port_index = nla_get_u32(attrs[DEVLINK_ATTR_PORT_INDEX]);
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struct devlink_port *devlink_port;
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devlink_port = devlink_port_get_by_index(devlink, port_index);
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if (!devlink_port)
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return ERR_PTR(-ENODEV);
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return devlink_port;
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}
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return ERR_PTR(-EINVAL);
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}
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static struct devlink_port *devlink_port_get_from_info(struct devlink *devlink,
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struct genl_info *info)
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{
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return devlink_port_get_from_attrs(devlink, info->attrs);
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}
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struct devlink_sb {
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struct list_head list;
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unsigned int index;
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u32 size;
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u16 ingress_pools_count;
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u16 egress_pools_count;
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u16 ingress_tc_count;
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u16 egress_tc_count;
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};
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static u16 devlink_sb_pool_count(struct devlink_sb *devlink_sb)
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{
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return devlink_sb->ingress_pools_count + devlink_sb->egress_pools_count;
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}
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static struct devlink_sb *devlink_sb_get_by_index(struct devlink *devlink,
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unsigned int sb_index)
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{
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struct devlink_sb *devlink_sb;
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list_for_each_entry(devlink_sb, &devlink->sb_list, list) {
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if (devlink_sb->index == sb_index)
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return devlink_sb;
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}
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return NULL;
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}
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static bool devlink_sb_index_exists(struct devlink *devlink,
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unsigned int sb_index)
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{
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return devlink_sb_get_by_index(devlink, sb_index);
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}
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static struct devlink_sb *devlink_sb_get_from_attrs(struct devlink *devlink,
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struct nlattr **attrs)
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{
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if (attrs[DEVLINK_ATTR_SB_INDEX]) {
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u32 sb_index = nla_get_u32(attrs[DEVLINK_ATTR_SB_INDEX]);
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struct devlink_sb *devlink_sb;
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devlink_sb = devlink_sb_get_by_index(devlink, sb_index);
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if (!devlink_sb)
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return ERR_PTR(-ENODEV);
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return devlink_sb;
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}
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return ERR_PTR(-EINVAL);
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}
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static struct devlink_sb *devlink_sb_get_from_info(struct devlink *devlink,
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struct genl_info *info)
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{
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return devlink_sb_get_from_attrs(devlink, info->attrs);
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}
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static int devlink_sb_pool_index_get_from_attrs(struct devlink_sb *devlink_sb,
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struct nlattr **attrs,
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u16 *p_pool_index)
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{
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u16 val;
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if (!attrs[DEVLINK_ATTR_SB_POOL_INDEX])
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return -EINVAL;
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val = nla_get_u16(attrs[DEVLINK_ATTR_SB_POOL_INDEX]);
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if (val >= devlink_sb_pool_count(devlink_sb))
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return -EINVAL;
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*p_pool_index = val;
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return 0;
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}
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static int devlink_sb_pool_index_get_from_info(struct devlink_sb *devlink_sb,
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struct genl_info *info,
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u16 *p_pool_index)
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{
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return devlink_sb_pool_index_get_from_attrs(devlink_sb, info->attrs,
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p_pool_index);
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}
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static int
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devlink_sb_pool_type_get_from_attrs(struct nlattr **attrs,
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enum devlink_sb_pool_type *p_pool_type)
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{
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u8 val;
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if (!attrs[DEVLINK_ATTR_SB_POOL_TYPE])
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return -EINVAL;
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val = nla_get_u8(attrs[DEVLINK_ATTR_SB_POOL_TYPE]);
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if (val != DEVLINK_SB_POOL_TYPE_INGRESS &&
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val != DEVLINK_SB_POOL_TYPE_EGRESS)
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return -EINVAL;
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*p_pool_type = val;
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return 0;
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}
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static int
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devlink_sb_pool_type_get_from_info(struct genl_info *info,
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enum devlink_sb_pool_type *p_pool_type)
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{
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return devlink_sb_pool_type_get_from_attrs(info->attrs, p_pool_type);
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}
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static int
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devlink_sb_th_type_get_from_attrs(struct nlattr **attrs,
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enum devlink_sb_threshold_type *p_th_type)
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{
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u8 val;
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if (!attrs[DEVLINK_ATTR_SB_POOL_THRESHOLD_TYPE])
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return -EINVAL;
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val = nla_get_u8(attrs[DEVLINK_ATTR_SB_POOL_THRESHOLD_TYPE]);
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if (val != DEVLINK_SB_THRESHOLD_TYPE_STATIC &&
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val != DEVLINK_SB_THRESHOLD_TYPE_DYNAMIC)
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return -EINVAL;
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*p_th_type = val;
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return 0;
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}
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static int
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devlink_sb_th_type_get_from_info(struct genl_info *info,
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enum devlink_sb_threshold_type *p_th_type)
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{
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return devlink_sb_th_type_get_from_attrs(info->attrs, p_th_type);
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}
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static int
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devlink_sb_tc_index_get_from_attrs(struct devlink_sb *devlink_sb,
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struct nlattr **attrs,
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enum devlink_sb_pool_type pool_type,
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u16 *p_tc_index)
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{
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u16 val;
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if (!attrs[DEVLINK_ATTR_SB_TC_INDEX])
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return -EINVAL;
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val = nla_get_u16(attrs[DEVLINK_ATTR_SB_TC_INDEX]);
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if (pool_type == DEVLINK_SB_POOL_TYPE_INGRESS &&
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val >= devlink_sb->ingress_tc_count)
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return -EINVAL;
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if (pool_type == DEVLINK_SB_POOL_TYPE_EGRESS &&
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val >= devlink_sb->egress_tc_count)
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return -EINVAL;
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*p_tc_index = val;
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return 0;
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}
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static int
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devlink_sb_tc_index_get_from_info(struct devlink_sb *devlink_sb,
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struct genl_info *info,
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enum devlink_sb_pool_type pool_type,
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u16 *p_tc_index)
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{
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return devlink_sb_tc_index_get_from_attrs(devlink_sb, info->attrs,
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pool_type, p_tc_index);
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}
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#define DEVLINK_NL_FLAG_NEED_DEVLINK BIT(0)
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#define DEVLINK_NL_FLAG_NEED_PORT BIT(1)
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#define DEVLINK_NL_FLAG_NEED_SB BIT(2)
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#define DEVLINK_NL_FLAG_LOCK_PORTS BIT(3)
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/* port is not needed but we need to ensure they don't
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* change in the middle of command
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*/
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static int devlink_nl_pre_doit(const struct genl_ops *ops,
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struct sk_buff *skb, struct genl_info *info)
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{
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struct devlink *devlink;
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mutex_lock(&devlink_mutex);
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devlink = devlink_get_from_info(info);
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if (IS_ERR(devlink)) {
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mutex_unlock(&devlink_mutex);
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return PTR_ERR(devlink);
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}
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if (ops->internal_flags & DEVLINK_NL_FLAG_NEED_DEVLINK) {
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info->user_ptr[0] = devlink;
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} else if (ops->internal_flags & DEVLINK_NL_FLAG_NEED_PORT) {
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struct devlink_port *devlink_port;
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mutex_lock(&devlink_port_mutex);
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devlink_port = devlink_port_get_from_info(devlink, info);
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if (IS_ERR(devlink_port)) {
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mutex_unlock(&devlink_port_mutex);
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mutex_unlock(&devlink_mutex);
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return PTR_ERR(devlink_port);
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}
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info->user_ptr[0] = devlink_port;
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}
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if (ops->internal_flags & DEVLINK_NL_FLAG_LOCK_PORTS) {
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mutex_lock(&devlink_port_mutex);
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}
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if (ops->internal_flags & DEVLINK_NL_FLAG_NEED_SB) {
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struct devlink_sb *devlink_sb;
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devlink_sb = devlink_sb_get_from_info(devlink, info);
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if (IS_ERR(devlink_sb)) {
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if (ops->internal_flags & DEVLINK_NL_FLAG_NEED_PORT)
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mutex_unlock(&devlink_port_mutex);
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mutex_unlock(&devlink_mutex);
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return PTR_ERR(devlink_sb);
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}
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info->user_ptr[1] = devlink_sb;
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}
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return 0;
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}
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static void devlink_nl_post_doit(const struct genl_ops *ops,
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struct sk_buff *skb, struct genl_info *info)
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{
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if (ops->internal_flags & DEVLINK_NL_FLAG_NEED_PORT ||
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ops->internal_flags & DEVLINK_NL_FLAG_LOCK_PORTS)
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mutex_unlock(&devlink_port_mutex);
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mutex_unlock(&devlink_mutex);
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}
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static struct genl_family devlink_nl_family;
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enum devlink_multicast_groups {
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DEVLINK_MCGRP_CONFIG,
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};
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static const struct genl_multicast_group devlink_nl_mcgrps[] = {
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[DEVLINK_MCGRP_CONFIG] = { .name = DEVLINK_GENL_MCGRP_CONFIG_NAME },
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};
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static int devlink_nl_put_handle(struct sk_buff *msg, struct devlink *devlink)
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{
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if (nla_put_string(msg, DEVLINK_ATTR_BUS_NAME, devlink->dev->bus->name))
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return -EMSGSIZE;
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if (nla_put_string(msg, DEVLINK_ATTR_DEV_NAME, dev_name(devlink->dev)))
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return -EMSGSIZE;
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return 0;
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}
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static int devlink_nl_fill(struct sk_buff *msg, struct devlink *devlink,
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enum devlink_command cmd, u32 portid,
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u32 seq, int flags)
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{
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void *hdr;
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hdr = genlmsg_put(msg, portid, seq, &devlink_nl_family, flags, cmd);
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if (!hdr)
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return -EMSGSIZE;
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if (devlink_nl_put_handle(msg, devlink))
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goto nla_put_failure;
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genlmsg_end(msg, hdr);
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return 0;
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nla_put_failure:
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genlmsg_cancel(msg, hdr);
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return -EMSGSIZE;
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}
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static void devlink_notify(struct devlink *devlink, enum devlink_command cmd)
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{
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struct sk_buff *msg;
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int err;
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WARN_ON(cmd != DEVLINK_CMD_NEW && cmd != DEVLINK_CMD_DEL);
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msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
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if (!msg)
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return;
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err = devlink_nl_fill(msg, devlink, cmd, 0, 0, 0);
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if (err) {
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nlmsg_free(msg);
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return;
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}
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genlmsg_multicast_netns(&devlink_nl_family, devlink_net(devlink),
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msg, 0, DEVLINK_MCGRP_CONFIG, GFP_KERNEL);
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}
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static int devlink_nl_port_fill(struct sk_buff *msg, struct devlink *devlink,
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struct devlink_port *devlink_port,
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enum devlink_command cmd, u32 portid,
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u32 seq, int flags)
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{
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void *hdr;
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hdr = genlmsg_put(msg, portid, seq, &devlink_nl_family, flags, cmd);
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if (!hdr)
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return -EMSGSIZE;
|
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if (devlink_nl_put_handle(msg, devlink))
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goto nla_put_failure;
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if (nla_put_u32(msg, DEVLINK_ATTR_PORT_INDEX, devlink_port->index))
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goto nla_put_failure;
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if (nla_put_u16(msg, DEVLINK_ATTR_PORT_TYPE, devlink_port->type))
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goto nla_put_failure;
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if (devlink_port->desired_type != DEVLINK_PORT_TYPE_NOTSET &&
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nla_put_u16(msg, DEVLINK_ATTR_PORT_DESIRED_TYPE,
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devlink_port->desired_type))
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goto nla_put_failure;
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if (devlink_port->type == DEVLINK_PORT_TYPE_ETH) {
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struct net_device *netdev = devlink_port->type_dev;
|
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|
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if (netdev &&
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(nla_put_u32(msg, DEVLINK_ATTR_PORT_NETDEV_IFINDEX,
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netdev->ifindex) ||
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nla_put_string(msg, DEVLINK_ATTR_PORT_NETDEV_NAME,
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netdev->name)))
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goto nla_put_failure;
|
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}
|
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if (devlink_port->type == DEVLINK_PORT_TYPE_IB) {
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struct ib_device *ibdev = devlink_port->type_dev;
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|
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if (ibdev &&
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nla_put_string(msg, DEVLINK_ATTR_PORT_IBDEV_NAME,
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ibdev->name))
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goto nla_put_failure;
|
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}
|
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if (devlink_port->split &&
|
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nla_put_u32(msg, DEVLINK_ATTR_PORT_SPLIT_GROUP,
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devlink_port->split_group))
|
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goto nla_put_failure;
|
|
|
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genlmsg_end(msg, hdr);
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return 0;
|
|
|
|
nla_put_failure:
|
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genlmsg_cancel(msg, hdr);
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return -EMSGSIZE;
|
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}
|
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|
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static void devlink_port_notify(struct devlink_port *devlink_port,
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enum devlink_command cmd)
|
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{
|
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struct devlink *devlink = devlink_port->devlink;
|
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struct sk_buff *msg;
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int err;
|
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|
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if (!devlink_port->registered)
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return;
|
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|
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WARN_ON(cmd != DEVLINK_CMD_PORT_NEW && cmd != DEVLINK_CMD_PORT_DEL);
|
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|
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msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
|
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if (!msg)
|
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return;
|
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|
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err = devlink_nl_port_fill(msg, devlink, devlink_port, cmd, 0, 0, 0);
|
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if (err) {
|
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nlmsg_free(msg);
|
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return;
|
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}
|
|
|
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genlmsg_multicast_netns(&devlink_nl_family, devlink_net(devlink),
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msg, 0, DEVLINK_MCGRP_CONFIG, GFP_KERNEL);
|
|
}
|
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|
|
static int devlink_nl_cmd_get_doit(struct sk_buff *skb, struct genl_info *info)
|
|
{
|
|
struct devlink *devlink = info->user_ptr[0];
|
|
struct sk_buff *msg;
|
|
int err;
|
|
|
|
msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
|
|
if (!msg)
|
|
return -ENOMEM;
|
|
|
|
err = devlink_nl_fill(msg, devlink, DEVLINK_CMD_NEW,
|
|
info->snd_portid, info->snd_seq, 0);
|
|
if (err) {
|
|
nlmsg_free(msg);
|
|
return err;
|
|
}
|
|
|
|
return genlmsg_reply(msg, info);
|
|
}
|
|
|
|
static int devlink_nl_cmd_get_dumpit(struct sk_buff *msg,
|
|
struct netlink_callback *cb)
|
|
{
|
|
struct devlink *devlink;
|
|
int start = cb->args[0];
|
|
int idx = 0;
|
|
int err;
|
|
|
|
mutex_lock(&devlink_mutex);
|
|
list_for_each_entry(devlink, &devlink_list, list) {
|
|
if (!net_eq(devlink_net(devlink), sock_net(msg->sk)))
|
|
continue;
|
|
if (idx < start) {
|
|
idx++;
|
|
continue;
|
|
}
|
|
err = devlink_nl_fill(msg, devlink, DEVLINK_CMD_NEW,
|
|
NETLINK_CB(cb->skb).portid,
|
|
cb->nlh->nlmsg_seq, NLM_F_MULTI);
|
|
if (err)
|
|
goto out;
|
|
idx++;
|
|
}
|
|
out:
|
|
mutex_unlock(&devlink_mutex);
|
|
|
|
cb->args[0] = idx;
|
|
return msg->len;
|
|
}
|
|
|
|
static int devlink_nl_cmd_port_get_doit(struct sk_buff *skb,
|
|
struct genl_info *info)
|
|
{
|
|
struct devlink_port *devlink_port = info->user_ptr[0];
|
|
struct devlink *devlink = devlink_port->devlink;
|
|
struct sk_buff *msg;
|
|
int err;
|
|
|
|
msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
|
|
if (!msg)
|
|
return -ENOMEM;
|
|
|
|
err = devlink_nl_port_fill(msg, devlink, devlink_port,
|
|
DEVLINK_CMD_PORT_NEW,
|
|
info->snd_portid, info->snd_seq, 0);
|
|
if (err) {
|
|
nlmsg_free(msg);
|
|
return err;
|
|
}
|
|
|
|
return genlmsg_reply(msg, info);
|
|
}
|
|
|
|
static int devlink_nl_cmd_port_get_dumpit(struct sk_buff *msg,
|
|
struct netlink_callback *cb)
|
|
{
|
|
struct devlink *devlink;
|
|
struct devlink_port *devlink_port;
|
|
int start = cb->args[0];
|
|
int idx = 0;
|
|
int err;
|
|
|
|
mutex_lock(&devlink_mutex);
|
|
mutex_lock(&devlink_port_mutex);
|
|
list_for_each_entry(devlink, &devlink_list, list) {
|
|
if (!net_eq(devlink_net(devlink), sock_net(msg->sk)))
|
|
continue;
|
|
list_for_each_entry(devlink_port, &devlink->port_list, list) {
|
|
if (idx < start) {
|
|
idx++;
|
|
continue;
|
|
}
|
|
err = devlink_nl_port_fill(msg, devlink, devlink_port,
|
|
DEVLINK_CMD_NEW,
|
|
NETLINK_CB(cb->skb).portid,
|
|
cb->nlh->nlmsg_seq,
|
|
NLM_F_MULTI);
|
|
if (err)
|
|
goto out;
|
|
idx++;
|
|
}
|
|
}
|
|
out:
|
|
mutex_unlock(&devlink_port_mutex);
|
|
mutex_unlock(&devlink_mutex);
|
|
|
|
cb->args[0] = idx;
|
|
return msg->len;
|
|
}
|
|
|
|
static int devlink_port_type_set(struct devlink *devlink,
|
|
struct devlink_port *devlink_port,
|
|
enum devlink_port_type port_type)
|
|
|
|
{
|
|
int err;
|
|
|
|
if (devlink->ops && devlink->ops->port_type_set) {
|
|
if (port_type == DEVLINK_PORT_TYPE_NOTSET)
|
|
return -EINVAL;
|
|
if (port_type == devlink_port->type)
|
|
return 0;
|
|
err = devlink->ops->port_type_set(devlink_port, port_type);
|
|
if (err)
|
|
return err;
|
|
devlink_port->desired_type = port_type;
|
|
devlink_port_notify(devlink_port, DEVLINK_CMD_PORT_NEW);
|
|
return 0;
|
|
}
|
|
return -EOPNOTSUPP;
|
|
}
|
|
|
|
static int devlink_nl_cmd_port_set_doit(struct sk_buff *skb,
|
|
struct genl_info *info)
|
|
{
|
|
struct devlink_port *devlink_port = info->user_ptr[0];
|
|
struct devlink *devlink = devlink_port->devlink;
|
|
int err;
|
|
|
|
if (info->attrs[DEVLINK_ATTR_PORT_TYPE]) {
|
|
enum devlink_port_type port_type;
|
|
|
|
port_type = nla_get_u16(info->attrs[DEVLINK_ATTR_PORT_TYPE]);
|
|
err = devlink_port_type_set(devlink, devlink_port, port_type);
|
|
if (err)
|
|
return err;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int devlink_port_split(struct devlink *devlink,
|
|
u32 port_index, u32 count)
|
|
|
|
{
|
|
if (devlink->ops && devlink->ops->port_split)
|
|
return devlink->ops->port_split(devlink, port_index, count);
|
|
return -EOPNOTSUPP;
|
|
}
|
|
|
|
static int devlink_nl_cmd_port_split_doit(struct sk_buff *skb,
|
|
struct genl_info *info)
|
|
{
|
|
struct devlink *devlink = info->user_ptr[0];
|
|
u32 port_index;
|
|
u32 count;
|
|
|
|
if (!info->attrs[DEVLINK_ATTR_PORT_INDEX] ||
|
|
!info->attrs[DEVLINK_ATTR_PORT_SPLIT_COUNT])
|
|
return -EINVAL;
|
|
|
|
port_index = nla_get_u32(info->attrs[DEVLINK_ATTR_PORT_INDEX]);
|
|
count = nla_get_u32(info->attrs[DEVLINK_ATTR_PORT_SPLIT_COUNT]);
|
|
return devlink_port_split(devlink, port_index, count);
|
|
}
|
|
|
|
static int devlink_port_unsplit(struct devlink *devlink, u32 port_index)
|
|
|
|
{
|
|
if (devlink->ops && devlink->ops->port_unsplit)
|
|
return devlink->ops->port_unsplit(devlink, port_index);
|
|
return -EOPNOTSUPP;
|
|
}
|
|
|
|
static int devlink_nl_cmd_port_unsplit_doit(struct sk_buff *skb,
|
|
struct genl_info *info)
|
|
{
|
|
struct devlink *devlink = info->user_ptr[0];
|
|
u32 port_index;
|
|
|
|
if (!info->attrs[DEVLINK_ATTR_PORT_INDEX])
|
|
return -EINVAL;
|
|
|
|
port_index = nla_get_u32(info->attrs[DEVLINK_ATTR_PORT_INDEX]);
|
|
return devlink_port_unsplit(devlink, port_index);
|
|
}
|
|
|
|
static int devlink_nl_sb_fill(struct sk_buff *msg, struct devlink *devlink,
|
|
struct devlink_sb *devlink_sb,
|
|
enum devlink_command cmd, u32 portid,
|
|
u32 seq, int flags)
|
|
{
|
|
void *hdr;
|
|
|
|
hdr = genlmsg_put(msg, portid, seq, &devlink_nl_family, flags, cmd);
|
|
if (!hdr)
|
|
return -EMSGSIZE;
|
|
|
|
if (devlink_nl_put_handle(msg, devlink))
|
|
goto nla_put_failure;
|
|
if (nla_put_u32(msg, DEVLINK_ATTR_SB_INDEX, devlink_sb->index))
|
|
goto nla_put_failure;
|
|
if (nla_put_u32(msg, DEVLINK_ATTR_SB_SIZE, devlink_sb->size))
|
|
goto nla_put_failure;
|
|
if (nla_put_u16(msg, DEVLINK_ATTR_SB_INGRESS_POOL_COUNT,
|
|
devlink_sb->ingress_pools_count))
|
|
goto nla_put_failure;
|
|
if (nla_put_u16(msg, DEVLINK_ATTR_SB_EGRESS_POOL_COUNT,
|
|
devlink_sb->egress_pools_count))
|
|
goto nla_put_failure;
|
|
if (nla_put_u16(msg, DEVLINK_ATTR_SB_INGRESS_TC_COUNT,
|
|
devlink_sb->ingress_tc_count))
|
|
goto nla_put_failure;
|
|
if (nla_put_u16(msg, DEVLINK_ATTR_SB_EGRESS_TC_COUNT,
|
|
devlink_sb->egress_tc_count))
|
|
goto nla_put_failure;
|
|
|
|
genlmsg_end(msg, hdr);
|
|
return 0;
|
|
|
|
nla_put_failure:
|
|
genlmsg_cancel(msg, hdr);
|
|
return -EMSGSIZE;
|
|
}
|
|
|
|
static int devlink_nl_cmd_sb_get_doit(struct sk_buff *skb,
|
|
struct genl_info *info)
|
|
{
|
|
struct devlink *devlink = info->user_ptr[0];
|
|
struct devlink_sb *devlink_sb = info->user_ptr[1];
|
|
struct sk_buff *msg;
|
|
int err;
|
|
|
|
msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
|
|
if (!msg)
|
|
return -ENOMEM;
|
|
|
|
err = devlink_nl_sb_fill(msg, devlink, devlink_sb,
|
|
DEVLINK_CMD_SB_NEW,
|
|
info->snd_portid, info->snd_seq, 0);
|
|
if (err) {
|
|
nlmsg_free(msg);
|
|
return err;
|
|
}
|
|
|
|
return genlmsg_reply(msg, info);
|
|
}
|
|
|
|
static int devlink_nl_cmd_sb_get_dumpit(struct sk_buff *msg,
|
|
struct netlink_callback *cb)
|
|
{
|
|
struct devlink *devlink;
|
|
struct devlink_sb *devlink_sb;
|
|
int start = cb->args[0];
|
|
int idx = 0;
|
|
int err;
|
|
|
|
mutex_lock(&devlink_mutex);
|
|
list_for_each_entry(devlink, &devlink_list, list) {
|
|
if (!net_eq(devlink_net(devlink), sock_net(msg->sk)))
|
|
continue;
|
|
list_for_each_entry(devlink_sb, &devlink->sb_list, list) {
|
|
if (idx < start) {
|
|
idx++;
|
|
continue;
|
|
}
|
|
err = devlink_nl_sb_fill(msg, devlink, devlink_sb,
|
|
DEVLINK_CMD_SB_NEW,
|
|
NETLINK_CB(cb->skb).portid,
|
|
cb->nlh->nlmsg_seq,
|
|
NLM_F_MULTI);
|
|
if (err)
|
|
goto out;
|
|
idx++;
|
|
}
|
|
}
|
|
out:
|
|
mutex_unlock(&devlink_mutex);
|
|
|
|
cb->args[0] = idx;
|
|
return msg->len;
|
|
}
|
|
|
|
static int devlink_nl_sb_pool_fill(struct sk_buff *msg, struct devlink *devlink,
|
|
struct devlink_sb *devlink_sb,
|
|
u16 pool_index, enum devlink_command cmd,
|
|
u32 portid, u32 seq, int flags)
|
|
{
|
|
struct devlink_sb_pool_info pool_info;
|
|
void *hdr;
|
|
int err;
|
|
|
|
err = devlink->ops->sb_pool_get(devlink, devlink_sb->index,
|
|
pool_index, &pool_info);
|
|
if (err)
|
|
return err;
|
|
|
|
hdr = genlmsg_put(msg, portid, seq, &devlink_nl_family, flags, cmd);
|
|
if (!hdr)
|
|
return -EMSGSIZE;
|
|
|
|
if (devlink_nl_put_handle(msg, devlink))
|
|
goto nla_put_failure;
|
|
if (nla_put_u32(msg, DEVLINK_ATTR_SB_INDEX, devlink_sb->index))
|
|
goto nla_put_failure;
|
|
if (nla_put_u16(msg, DEVLINK_ATTR_SB_POOL_INDEX, pool_index))
|
|
goto nla_put_failure;
|
|
if (nla_put_u8(msg, DEVLINK_ATTR_SB_POOL_TYPE, pool_info.pool_type))
|
|
goto nla_put_failure;
|
|
if (nla_put_u32(msg, DEVLINK_ATTR_SB_POOL_SIZE, pool_info.size))
|
|
goto nla_put_failure;
|
|
if (nla_put_u8(msg, DEVLINK_ATTR_SB_POOL_THRESHOLD_TYPE,
|
|
pool_info.threshold_type))
|
|
goto nla_put_failure;
|
|
|
|
genlmsg_end(msg, hdr);
|
|
return 0;
|
|
|
|
nla_put_failure:
|
|
genlmsg_cancel(msg, hdr);
|
|
return -EMSGSIZE;
|
|
}
|
|
|
|
static int devlink_nl_cmd_sb_pool_get_doit(struct sk_buff *skb,
|
|
struct genl_info *info)
|
|
{
|
|
struct devlink *devlink = info->user_ptr[0];
|
|
struct devlink_sb *devlink_sb = info->user_ptr[1];
|
|
struct sk_buff *msg;
|
|
u16 pool_index;
|
|
int err;
|
|
|
|
err = devlink_sb_pool_index_get_from_info(devlink_sb, info,
|
|
&pool_index);
|
|
if (err)
|
|
return err;
|
|
|
|
if (!devlink->ops || !devlink->ops->sb_pool_get)
|
|
return -EOPNOTSUPP;
|
|
|
|
msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
|
|
if (!msg)
|
|
return -ENOMEM;
|
|
|
|
err = devlink_nl_sb_pool_fill(msg, devlink, devlink_sb, pool_index,
|
|
DEVLINK_CMD_SB_POOL_NEW,
|
|
info->snd_portid, info->snd_seq, 0);
|
|
if (err) {
|
|
nlmsg_free(msg);
|
|
return err;
|
|
}
|
|
|
|
return genlmsg_reply(msg, info);
|
|
}
|
|
|
|
static int __sb_pool_get_dumpit(struct sk_buff *msg, int start, int *p_idx,
|
|
struct devlink *devlink,
|
|
struct devlink_sb *devlink_sb,
|
|
u32 portid, u32 seq)
|
|
{
|
|
u16 pool_count = devlink_sb_pool_count(devlink_sb);
|
|
u16 pool_index;
|
|
int err;
|
|
|
|
for (pool_index = 0; pool_index < pool_count; pool_index++) {
|
|
if (*p_idx < start) {
|
|
(*p_idx)++;
|
|
continue;
|
|
}
|
|
err = devlink_nl_sb_pool_fill(msg, devlink,
|
|
devlink_sb,
|
|
pool_index,
|
|
DEVLINK_CMD_SB_POOL_NEW,
|
|
portid, seq, NLM_F_MULTI);
|
|
if (err)
|
|
return err;
|
|
(*p_idx)++;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int devlink_nl_cmd_sb_pool_get_dumpit(struct sk_buff *msg,
|
|
struct netlink_callback *cb)
|
|
{
|
|
struct devlink *devlink;
|
|
struct devlink_sb *devlink_sb;
|
|
int start = cb->args[0];
|
|
int idx = 0;
|
|
int err;
|
|
|
|
mutex_lock(&devlink_mutex);
|
|
list_for_each_entry(devlink, &devlink_list, list) {
|
|
if (!net_eq(devlink_net(devlink), sock_net(msg->sk)) ||
|
|
!devlink->ops || !devlink->ops->sb_pool_get)
|
|
continue;
|
|
list_for_each_entry(devlink_sb, &devlink->sb_list, list) {
|
|
err = __sb_pool_get_dumpit(msg, start, &idx, devlink,
|
|
devlink_sb,
|
|
NETLINK_CB(cb->skb).portid,
|
|
cb->nlh->nlmsg_seq);
|
|
if (err && err != -EOPNOTSUPP)
|
|
goto out;
|
|
}
|
|
}
|
|
out:
|
|
mutex_unlock(&devlink_mutex);
|
|
|
|
cb->args[0] = idx;
|
|
return msg->len;
|
|
}
|
|
|
|
static int devlink_sb_pool_set(struct devlink *devlink, unsigned int sb_index,
|
|
u16 pool_index, u32 size,
|
|
enum devlink_sb_threshold_type threshold_type)
|
|
|
|
{
|
|
const struct devlink_ops *ops = devlink->ops;
|
|
|
|
if (ops && ops->sb_pool_set)
|
|
return ops->sb_pool_set(devlink, sb_index, pool_index,
|
|
size, threshold_type);
|
|
return -EOPNOTSUPP;
|
|
}
|
|
|
|
static int devlink_nl_cmd_sb_pool_set_doit(struct sk_buff *skb,
|
|
struct genl_info *info)
|
|
{
|
|
struct devlink *devlink = info->user_ptr[0];
|
|
struct devlink_sb *devlink_sb = info->user_ptr[1];
|
|
enum devlink_sb_threshold_type threshold_type;
|
|
u16 pool_index;
|
|
u32 size;
|
|
int err;
|
|
|
|
err = devlink_sb_pool_index_get_from_info(devlink_sb, info,
|
|
&pool_index);
|
|
if (err)
|
|
return err;
|
|
|
|
err = devlink_sb_th_type_get_from_info(info, &threshold_type);
|
|
if (err)
|
|
return err;
|
|
|
|
if (!info->attrs[DEVLINK_ATTR_SB_POOL_SIZE])
|
|
return -EINVAL;
|
|
|
|
size = nla_get_u32(info->attrs[DEVLINK_ATTR_SB_POOL_SIZE]);
|
|
return devlink_sb_pool_set(devlink, devlink_sb->index,
|
|
pool_index, size, threshold_type);
|
|
}
|
|
|
|
static int devlink_nl_sb_port_pool_fill(struct sk_buff *msg,
|
|
struct devlink *devlink,
|
|
struct devlink_port *devlink_port,
|
|
struct devlink_sb *devlink_sb,
|
|
u16 pool_index,
|
|
enum devlink_command cmd,
|
|
u32 portid, u32 seq, int flags)
|
|
{
|
|
const struct devlink_ops *ops = devlink->ops;
|
|
u32 threshold;
|
|
void *hdr;
|
|
int err;
|
|
|
|
err = ops->sb_port_pool_get(devlink_port, devlink_sb->index,
|
|
pool_index, &threshold);
|
|
if (err)
|
|
return err;
|
|
|
|
hdr = genlmsg_put(msg, portid, seq, &devlink_nl_family, flags, cmd);
|
|
if (!hdr)
|
|
return -EMSGSIZE;
|
|
|
|
if (devlink_nl_put_handle(msg, devlink))
|
|
goto nla_put_failure;
|
|
if (nla_put_u32(msg, DEVLINK_ATTR_PORT_INDEX, devlink_port->index))
|
|
goto nla_put_failure;
|
|
if (nla_put_u32(msg, DEVLINK_ATTR_SB_INDEX, devlink_sb->index))
|
|
goto nla_put_failure;
|
|
if (nla_put_u16(msg, DEVLINK_ATTR_SB_POOL_INDEX, pool_index))
|
|
goto nla_put_failure;
|
|
if (nla_put_u32(msg, DEVLINK_ATTR_SB_THRESHOLD, threshold))
|
|
goto nla_put_failure;
|
|
|
|
if (ops->sb_occ_port_pool_get) {
|
|
u32 cur;
|
|
u32 max;
|
|
|
|
err = ops->sb_occ_port_pool_get(devlink_port, devlink_sb->index,
|
|
pool_index, &cur, &max);
|
|
if (err && err != -EOPNOTSUPP)
|
|
return err;
|
|
if (!err) {
|
|
if (nla_put_u32(msg, DEVLINK_ATTR_SB_OCC_CUR, cur))
|
|
goto nla_put_failure;
|
|
if (nla_put_u32(msg, DEVLINK_ATTR_SB_OCC_MAX, max))
|
|
goto nla_put_failure;
|
|
}
|
|
}
|
|
|
|
genlmsg_end(msg, hdr);
|
|
return 0;
|
|
|
|
nla_put_failure:
|
|
genlmsg_cancel(msg, hdr);
|
|
return -EMSGSIZE;
|
|
}
|
|
|
|
static int devlink_nl_cmd_sb_port_pool_get_doit(struct sk_buff *skb,
|
|
struct genl_info *info)
|
|
{
|
|
struct devlink_port *devlink_port = info->user_ptr[0];
|
|
struct devlink *devlink = devlink_port->devlink;
|
|
struct devlink_sb *devlink_sb = info->user_ptr[1];
|
|
struct sk_buff *msg;
|
|
u16 pool_index;
|
|
int err;
|
|
|
|
err = devlink_sb_pool_index_get_from_info(devlink_sb, info,
|
|
&pool_index);
|
|
if (err)
|
|
return err;
|
|
|
|
if (!devlink->ops || !devlink->ops->sb_port_pool_get)
|
|
return -EOPNOTSUPP;
|
|
|
|
msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
|
|
if (!msg)
|
|
return -ENOMEM;
|
|
|
|
err = devlink_nl_sb_port_pool_fill(msg, devlink, devlink_port,
|
|
devlink_sb, pool_index,
|
|
DEVLINK_CMD_SB_PORT_POOL_NEW,
|
|
info->snd_portid, info->snd_seq, 0);
|
|
if (err) {
|
|
nlmsg_free(msg);
|
|
return err;
|
|
}
|
|
|
|
return genlmsg_reply(msg, info);
|
|
}
|
|
|
|
static int __sb_port_pool_get_dumpit(struct sk_buff *msg, int start, int *p_idx,
|
|
struct devlink *devlink,
|
|
struct devlink_sb *devlink_sb,
|
|
u32 portid, u32 seq)
|
|
{
|
|
struct devlink_port *devlink_port;
|
|
u16 pool_count = devlink_sb_pool_count(devlink_sb);
|
|
u16 pool_index;
|
|
int err;
|
|
|
|
list_for_each_entry(devlink_port, &devlink->port_list, list) {
|
|
for (pool_index = 0; pool_index < pool_count; pool_index++) {
|
|
if (*p_idx < start) {
|
|
(*p_idx)++;
|
|
continue;
|
|
}
|
|
err = devlink_nl_sb_port_pool_fill(msg, devlink,
|
|
devlink_port,
|
|
devlink_sb,
|
|
pool_index,
|
|
DEVLINK_CMD_SB_PORT_POOL_NEW,
|
|
portid, seq,
|
|
NLM_F_MULTI);
|
|
if (err)
|
|
return err;
|
|
(*p_idx)++;
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int devlink_nl_cmd_sb_port_pool_get_dumpit(struct sk_buff *msg,
|
|
struct netlink_callback *cb)
|
|
{
|
|
struct devlink *devlink;
|
|
struct devlink_sb *devlink_sb;
|
|
int start = cb->args[0];
|
|
int idx = 0;
|
|
int err;
|
|
|
|
mutex_lock(&devlink_mutex);
|
|
mutex_lock(&devlink_port_mutex);
|
|
list_for_each_entry(devlink, &devlink_list, list) {
|
|
if (!net_eq(devlink_net(devlink), sock_net(msg->sk)) ||
|
|
!devlink->ops || !devlink->ops->sb_port_pool_get)
|
|
continue;
|
|
list_for_each_entry(devlink_sb, &devlink->sb_list, list) {
|
|
err = __sb_port_pool_get_dumpit(msg, start, &idx,
|
|
devlink, devlink_sb,
|
|
NETLINK_CB(cb->skb).portid,
|
|
cb->nlh->nlmsg_seq);
|
|
if (err && err != -EOPNOTSUPP)
|
|
goto out;
|
|
}
|
|
}
|
|
out:
|
|
mutex_unlock(&devlink_port_mutex);
|
|
mutex_unlock(&devlink_mutex);
|
|
|
|
cb->args[0] = idx;
|
|
return msg->len;
|
|
}
|
|
|
|
static int devlink_sb_port_pool_set(struct devlink_port *devlink_port,
|
|
unsigned int sb_index, u16 pool_index,
|
|
u32 threshold)
|
|
|
|
{
|
|
const struct devlink_ops *ops = devlink_port->devlink->ops;
|
|
|
|
if (ops && ops->sb_port_pool_set)
|
|
return ops->sb_port_pool_set(devlink_port, sb_index,
|
|
pool_index, threshold);
|
|
return -EOPNOTSUPP;
|
|
}
|
|
|
|
static int devlink_nl_cmd_sb_port_pool_set_doit(struct sk_buff *skb,
|
|
struct genl_info *info)
|
|
{
|
|
struct devlink_port *devlink_port = info->user_ptr[0];
|
|
struct devlink_sb *devlink_sb = info->user_ptr[1];
|
|
u16 pool_index;
|
|
u32 threshold;
|
|
int err;
|
|
|
|
err = devlink_sb_pool_index_get_from_info(devlink_sb, info,
|
|
&pool_index);
|
|
if (err)
|
|
return err;
|
|
|
|
if (!info->attrs[DEVLINK_ATTR_SB_THRESHOLD])
|
|
return -EINVAL;
|
|
|
|
threshold = nla_get_u32(info->attrs[DEVLINK_ATTR_SB_THRESHOLD]);
|
|
return devlink_sb_port_pool_set(devlink_port, devlink_sb->index,
|
|
pool_index, threshold);
|
|
}
|
|
|
|
static int
|
|
devlink_nl_sb_tc_pool_bind_fill(struct sk_buff *msg, struct devlink *devlink,
|
|
struct devlink_port *devlink_port,
|
|
struct devlink_sb *devlink_sb, u16 tc_index,
|
|
enum devlink_sb_pool_type pool_type,
|
|
enum devlink_command cmd,
|
|
u32 portid, u32 seq, int flags)
|
|
{
|
|
const struct devlink_ops *ops = devlink->ops;
|
|
u16 pool_index;
|
|
u32 threshold;
|
|
void *hdr;
|
|
int err;
|
|
|
|
err = ops->sb_tc_pool_bind_get(devlink_port, devlink_sb->index,
|
|
tc_index, pool_type,
|
|
&pool_index, &threshold);
|
|
if (err)
|
|
return err;
|
|
|
|
hdr = genlmsg_put(msg, portid, seq, &devlink_nl_family, flags, cmd);
|
|
if (!hdr)
|
|
return -EMSGSIZE;
|
|
|
|
if (devlink_nl_put_handle(msg, devlink))
|
|
goto nla_put_failure;
|
|
if (nla_put_u32(msg, DEVLINK_ATTR_PORT_INDEX, devlink_port->index))
|
|
goto nla_put_failure;
|
|
if (nla_put_u32(msg, DEVLINK_ATTR_SB_INDEX, devlink_sb->index))
|
|
goto nla_put_failure;
|
|
if (nla_put_u16(msg, DEVLINK_ATTR_SB_TC_INDEX, tc_index))
|
|
goto nla_put_failure;
|
|
if (nla_put_u8(msg, DEVLINK_ATTR_SB_POOL_TYPE, pool_type))
|
|
goto nla_put_failure;
|
|
if (nla_put_u16(msg, DEVLINK_ATTR_SB_POOL_INDEX, pool_index))
|
|
goto nla_put_failure;
|
|
if (nla_put_u32(msg, DEVLINK_ATTR_SB_THRESHOLD, threshold))
|
|
goto nla_put_failure;
|
|
|
|
if (ops->sb_occ_tc_port_bind_get) {
|
|
u32 cur;
|
|
u32 max;
|
|
|
|
err = ops->sb_occ_tc_port_bind_get(devlink_port,
|
|
devlink_sb->index,
|
|
tc_index, pool_type,
|
|
&cur, &max);
|
|
if (err && err != -EOPNOTSUPP)
|
|
return err;
|
|
if (!err) {
|
|
if (nla_put_u32(msg, DEVLINK_ATTR_SB_OCC_CUR, cur))
|
|
goto nla_put_failure;
|
|
if (nla_put_u32(msg, DEVLINK_ATTR_SB_OCC_MAX, max))
|
|
goto nla_put_failure;
|
|
}
|
|
}
|
|
|
|
genlmsg_end(msg, hdr);
|
|
return 0;
|
|
|
|
nla_put_failure:
|
|
genlmsg_cancel(msg, hdr);
|
|
return -EMSGSIZE;
|
|
}
|
|
|
|
static int devlink_nl_cmd_sb_tc_pool_bind_get_doit(struct sk_buff *skb,
|
|
struct genl_info *info)
|
|
{
|
|
struct devlink_port *devlink_port = info->user_ptr[0];
|
|
struct devlink *devlink = devlink_port->devlink;
|
|
struct devlink_sb *devlink_sb = info->user_ptr[1];
|
|
struct sk_buff *msg;
|
|
enum devlink_sb_pool_type pool_type;
|
|
u16 tc_index;
|
|
int err;
|
|
|
|
err = devlink_sb_pool_type_get_from_info(info, &pool_type);
|
|
if (err)
|
|
return err;
|
|
|
|
err = devlink_sb_tc_index_get_from_info(devlink_sb, info,
|
|
pool_type, &tc_index);
|
|
if (err)
|
|
return err;
|
|
|
|
if (!devlink->ops || !devlink->ops->sb_tc_pool_bind_get)
|
|
return -EOPNOTSUPP;
|
|
|
|
msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
|
|
if (!msg)
|
|
return -ENOMEM;
|
|
|
|
err = devlink_nl_sb_tc_pool_bind_fill(msg, devlink, devlink_port,
|
|
devlink_sb, tc_index, pool_type,
|
|
DEVLINK_CMD_SB_TC_POOL_BIND_NEW,
|
|
info->snd_portid,
|
|
info->snd_seq, 0);
|
|
if (err) {
|
|
nlmsg_free(msg);
|
|
return err;
|
|
}
|
|
|
|
return genlmsg_reply(msg, info);
|
|
}
|
|
|
|
static int __sb_tc_pool_bind_get_dumpit(struct sk_buff *msg,
|
|
int start, int *p_idx,
|
|
struct devlink *devlink,
|
|
struct devlink_sb *devlink_sb,
|
|
u32 portid, u32 seq)
|
|
{
|
|
struct devlink_port *devlink_port;
|
|
u16 tc_index;
|
|
int err;
|
|
|
|
list_for_each_entry(devlink_port, &devlink->port_list, list) {
|
|
for (tc_index = 0;
|
|
tc_index < devlink_sb->ingress_tc_count; tc_index++) {
|
|
if (*p_idx < start) {
|
|
(*p_idx)++;
|
|
continue;
|
|
}
|
|
err = devlink_nl_sb_tc_pool_bind_fill(msg, devlink,
|
|
devlink_port,
|
|
devlink_sb,
|
|
tc_index,
|
|
DEVLINK_SB_POOL_TYPE_INGRESS,
|
|
DEVLINK_CMD_SB_TC_POOL_BIND_NEW,
|
|
portid, seq,
|
|
NLM_F_MULTI);
|
|
if (err)
|
|
return err;
|
|
(*p_idx)++;
|
|
}
|
|
for (tc_index = 0;
|
|
tc_index < devlink_sb->egress_tc_count; tc_index++) {
|
|
if (*p_idx < start) {
|
|
(*p_idx)++;
|
|
continue;
|
|
}
|
|
err = devlink_nl_sb_tc_pool_bind_fill(msg, devlink,
|
|
devlink_port,
|
|
devlink_sb,
|
|
tc_index,
|
|
DEVLINK_SB_POOL_TYPE_EGRESS,
|
|
DEVLINK_CMD_SB_TC_POOL_BIND_NEW,
|
|
portid, seq,
|
|
NLM_F_MULTI);
|
|
if (err)
|
|
return err;
|
|
(*p_idx)++;
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
devlink_nl_cmd_sb_tc_pool_bind_get_dumpit(struct sk_buff *msg,
|
|
struct netlink_callback *cb)
|
|
{
|
|
struct devlink *devlink;
|
|
struct devlink_sb *devlink_sb;
|
|
int start = cb->args[0];
|
|
int idx = 0;
|
|
int err;
|
|
|
|
mutex_lock(&devlink_mutex);
|
|
mutex_lock(&devlink_port_mutex);
|
|
list_for_each_entry(devlink, &devlink_list, list) {
|
|
if (!net_eq(devlink_net(devlink), sock_net(msg->sk)) ||
|
|
!devlink->ops || !devlink->ops->sb_tc_pool_bind_get)
|
|
continue;
|
|
list_for_each_entry(devlink_sb, &devlink->sb_list, list) {
|
|
err = __sb_tc_pool_bind_get_dumpit(msg, start, &idx,
|
|
devlink,
|
|
devlink_sb,
|
|
NETLINK_CB(cb->skb).portid,
|
|
cb->nlh->nlmsg_seq);
|
|
if (err && err != -EOPNOTSUPP)
|
|
goto out;
|
|
}
|
|
}
|
|
out:
|
|
mutex_unlock(&devlink_port_mutex);
|
|
mutex_unlock(&devlink_mutex);
|
|
|
|
cb->args[0] = idx;
|
|
return msg->len;
|
|
}
|
|
|
|
static int devlink_sb_tc_pool_bind_set(struct devlink_port *devlink_port,
|
|
unsigned int sb_index, u16 tc_index,
|
|
enum devlink_sb_pool_type pool_type,
|
|
u16 pool_index, u32 threshold)
|
|
|
|
{
|
|
const struct devlink_ops *ops = devlink_port->devlink->ops;
|
|
|
|
if (ops && ops->sb_tc_pool_bind_set)
|
|
return ops->sb_tc_pool_bind_set(devlink_port, sb_index,
|
|
tc_index, pool_type,
|
|
pool_index, threshold);
|
|
return -EOPNOTSUPP;
|
|
}
|
|
|
|
static int devlink_nl_cmd_sb_tc_pool_bind_set_doit(struct sk_buff *skb,
|
|
struct genl_info *info)
|
|
{
|
|
struct devlink_port *devlink_port = info->user_ptr[0];
|
|
struct devlink_sb *devlink_sb = info->user_ptr[1];
|
|
enum devlink_sb_pool_type pool_type;
|
|
u16 tc_index;
|
|
u16 pool_index;
|
|
u32 threshold;
|
|
int err;
|
|
|
|
err = devlink_sb_pool_type_get_from_info(info, &pool_type);
|
|
if (err)
|
|
return err;
|
|
|
|
err = devlink_sb_tc_index_get_from_info(devlink_sb, info,
|
|
pool_type, &tc_index);
|
|
if (err)
|
|
return err;
|
|
|
|
err = devlink_sb_pool_index_get_from_info(devlink_sb, info,
|
|
&pool_index);
|
|
if (err)
|
|
return err;
|
|
|
|
if (!info->attrs[DEVLINK_ATTR_SB_THRESHOLD])
|
|
return -EINVAL;
|
|
|
|
threshold = nla_get_u32(info->attrs[DEVLINK_ATTR_SB_THRESHOLD]);
|
|
return devlink_sb_tc_pool_bind_set(devlink_port, devlink_sb->index,
|
|
tc_index, pool_type,
|
|
pool_index, threshold);
|
|
}
|
|
|
|
static int devlink_nl_cmd_sb_occ_snapshot_doit(struct sk_buff *skb,
|
|
struct genl_info *info)
|
|
{
|
|
struct devlink *devlink = info->user_ptr[0];
|
|
struct devlink_sb *devlink_sb = info->user_ptr[1];
|
|
const struct devlink_ops *ops = devlink->ops;
|
|
|
|
if (ops && ops->sb_occ_snapshot)
|
|
return ops->sb_occ_snapshot(devlink, devlink_sb->index);
|
|
return -EOPNOTSUPP;
|
|
}
|
|
|
|
static int devlink_nl_cmd_sb_occ_max_clear_doit(struct sk_buff *skb,
|
|
struct genl_info *info)
|
|
{
|
|
struct devlink *devlink = info->user_ptr[0];
|
|
struct devlink_sb *devlink_sb = info->user_ptr[1];
|
|
const struct devlink_ops *ops = devlink->ops;
|
|
|
|
if (ops && ops->sb_occ_max_clear)
|
|
return ops->sb_occ_max_clear(devlink, devlink_sb->index);
|
|
return -EOPNOTSUPP;
|
|
}
|
|
|
|
static int devlink_eswitch_fill(struct sk_buff *msg, struct devlink *devlink,
|
|
enum devlink_command cmd, u32 portid,
|
|
u32 seq, int flags)
|
|
{
|
|
const struct devlink_ops *ops = devlink->ops;
|
|
void *hdr;
|
|
int err = 0;
|
|
u16 mode;
|
|
u8 inline_mode;
|
|
|
|
hdr = genlmsg_put(msg, portid, seq, &devlink_nl_family, flags, cmd);
|
|
if (!hdr)
|
|
return -EMSGSIZE;
|
|
|
|
err = devlink_nl_put_handle(msg, devlink);
|
|
if (err)
|
|
goto out;
|
|
|
|
err = ops->eswitch_mode_get(devlink, &mode);
|
|
if (err)
|
|
goto out;
|
|
err = nla_put_u16(msg, DEVLINK_ATTR_ESWITCH_MODE, mode);
|
|
if (err)
|
|
goto out;
|
|
|
|
if (ops->eswitch_inline_mode_get) {
|
|
err = ops->eswitch_inline_mode_get(devlink, &inline_mode);
|
|
if (err)
|
|
goto out;
|
|
err = nla_put_u8(msg, DEVLINK_ATTR_ESWITCH_INLINE_MODE,
|
|
inline_mode);
|
|
if (err)
|
|
goto out;
|
|
}
|
|
|
|
genlmsg_end(msg, hdr);
|
|
return 0;
|
|
|
|
out:
|
|
genlmsg_cancel(msg, hdr);
|
|
return err;
|
|
}
|
|
|
|
static int devlink_nl_cmd_eswitch_mode_get_doit(struct sk_buff *skb,
|
|
struct genl_info *info)
|
|
{
|
|
struct devlink *devlink = info->user_ptr[0];
|
|
const struct devlink_ops *ops = devlink->ops;
|
|
struct sk_buff *msg;
|
|
int err;
|
|
|
|
if (!ops || !ops->eswitch_mode_get)
|
|
return -EOPNOTSUPP;
|
|
|
|
msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
|
|
if (!msg)
|
|
return -ENOMEM;
|
|
|
|
err = devlink_eswitch_fill(msg, devlink, DEVLINK_CMD_ESWITCH_MODE_GET,
|
|
info->snd_portid, info->snd_seq, 0);
|
|
|
|
if (err) {
|
|
nlmsg_free(msg);
|
|
return err;
|
|
}
|
|
|
|
return genlmsg_reply(msg, info);
|
|
}
|
|
|
|
static int devlink_nl_cmd_eswitch_mode_set_doit(struct sk_buff *skb,
|
|
struct genl_info *info)
|
|
{
|
|
struct devlink *devlink = info->user_ptr[0];
|
|
const struct devlink_ops *ops = devlink->ops;
|
|
u16 mode;
|
|
u8 inline_mode;
|
|
int err = 0;
|
|
|
|
if (!ops)
|
|
return -EOPNOTSUPP;
|
|
|
|
if (info->attrs[DEVLINK_ATTR_ESWITCH_MODE]) {
|
|
if (!ops->eswitch_mode_set)
|
|
return -EOPNOTSUPP;
|
|
mode = nla_get_u16(info->attrs[DEVLINK_ATTR_ESWITCH_MODE]);
|
|
err = ops->eswitch_mode_set(devlink, mode);
|
|
if (err)
|
|
return err;
|
|
}
|
|
|
|
if (info->attrs[DEVLINK_ATTR_ESWITCH_INLINE_MODE]) {
|
|
if (!ops->eswitch_inline_mode_set)
|
|
return -EOPNOTSUPP;
|
|
inline_mode = nla_get_u8(
|
|
info->attrs[DEVLINK_ATTR_ESWITCH_INLINE_MODE]);
|
|
err = ops->eswitch_inline_mode_set(devlink, inline_mode);
|
|
if (err)
|
|
return err;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static const struct nla_policy devlink_nl_policy[DEVLINK_ATTR_MAX + 1] = {
|
|
[DEVLINK_ATTR_BUS_NAME] = { .type = NLA_NUL_STRING },
|
|
[DEVLINK_ATTR_DEV_NAME] = { .type = NLA_NUL_STRING },
|
|
[DEVLINK_ATTR_PORT_INDEX] = { .type = NLA_U32 },
|
|
[DEVLINK_ATTR_PORT_TYPE] = { .type = NLA_U16 },
|
|
[DEVLINK_ATTR_PORT_SPLIT_COUNT] = { .type = NLA_U32 },
|
|
[DEVLINK_ATTR_SB_INDEX] = { .type = NLA_U32 },
|
|
[DEVLINK_ATTR_SB_POOL_INDEX] = { .type = NLA_U16 },
|
|
[DEVLINK_ATTR_SB_POOL_TYPE] = { .type = NLA_U8 },
|
|
[DEVLINK_ATTR_SB_POOL_SIZE] = { .type = NLA_U32 },
|
|
[DEVLINK_ATTR_SB_POOL_THRESHOLD_TYPE] = { .type = NLA_U8 },
|
|
[DEVLINK_ATTR_SB_THRESHOLD] = { .type = NLA_U32 },
|
|
[DEVLINK_ATTR_SB_TC_INDEX] = { .type = NLA_U16 },
|
|
[DEVLINK_ATTR_ESWITCH_MODE] = { .type = NLA_U16 },
|
|
[DEVLINK_ATTR_ESWITCH_INLINE_MODE] = { .type = NLA_U8 },
|
|
};
|
|
|
|
static const struct genl_ops devlink_nl_ops[] = {
|
|
{
|
|
.cmd = DEVLINK_CMD_GET,
|
|
.doit = devlink_nl_cmd_get_doit,
|
|
.dumpit = devlink_nl_cmd_get_dumpit,
|
|
.policy = devlink_nl_policy,
|
|
.internal_flags = DEVLINK_NL_FLAG_NEED_DEVLINK,
|
|
/* can be retrieved by unprivileged users */
|
|
},
|
|
{
|
|
.cmd = DEVLINK_CMD_PORT_GET,
|
|
.doit = devlink_nl_cmd_port_get_doit,
|
|
.dumpit = devlink_nl_cmd_port_get_dumpit,
|
|
.policy = devlink_nl_policy,
|
|
.internal_flags = DEVLINK_NL_FLAG_NEED_PORT,
|
|
/* can be retrieved by unprivileged users */
|
|
},
|
|
{
|
|
.cmd = DEVLINK_CMD_PORT_SET,
|
|
.doit = devlink_nl_cmd_port_set_doit,
|
|
.policy = devlink_nl_policy,
|
|
.flags = GENL_ADMIN_PERM,
|
|
.internal_flags = DEVLINK_NL_FLAG_NEED_PORT,
|
|
},
|
|
{
|
|
.cmd = DEVLINK_CMD_PORT_SPLIT,
|
|
.doit = devlink_nl_cmd_port_split_doit,
|
|
.policy = devlink_nl_policy,
|
|
.flags = GENL_ADMIN_PERM,
|
|
.internal_flags = DEVLINK_NL_FLAG_NEED_DEVLINK,
|
|
},
|
|
{
|
|
.cmd = DEVLINK_CMD_PORT_UNSPLIT,
|
|
.doit = devlink_nl_cmd_port_unsplit_doit,
|
|
.policy = devlink_nl_policy,
|
|
.flags = GENL_ADMIN_PERM,
|
|
.internal_flags = DEVLINK_NL_FLAG_NEED_DEVLINK,
|
|
},
|
|
{
|
|
.cmd = DEVLINK_CMD_SB_GET,
|
|
.doit = devlink_nl_cmd_sb_get_doit,
|
|
.dumpit = devlink_nl_cmd_sb_get_dumpit,
|
|
.policy = devlink_nl_policy,
|
|
.internal_flags = DEVLINK_NL_FLAG_NEED_DEVLINK |
|
|
DEVLINK_NL_FLAG_NEED_SB,
|
|
/* can be retrieved by unprivileged users */
|
|
},
|
|
{
|
|
.cmd = DEVLINK_CMD_SB_POOL_GET,
|
|
.doit = devlink_nl_cmd_sb_pool_get_doit,
|
|
.dumpit = devlink_nl_cmd_sb_pool_get_dumpit,
|
|
.policy = devlink_nl_policy,
|
|
.internal_flags = DEVLINK_NL_FLAG_NEED_DEVLINK |
|
|
DEVLINK_NL_FLAG_NEED_SB,
|
|
/* can be retrieved by unprivileged users */
|
|
},
|
|
{
|
|
.cmd = DEVLINK_CMD_SB_POOL_SET,
|
|
.doit = devlink_nl_cmd_sb_pool_set_doit,
|
|
.policy = devlink_nl_policy,
|
|
.flags = GENL_ADMIN_PERM,
|
|
.internal_flags = DEVLINK_NL_FLAG_NEED_DEVLINK |
|
|
DEVLINK_NL_FLAG_NEED_SB,
|
|
},
|
|
{
|
|
.cmd = DEVLINK_CMD_SB_PORT_POOL_GET,
|
|
.doit = devlink_nl_cmd_sb_port_pool_get_doit,
|
|
.dumpit = devlink_nl_cmd_sb_port_pool_get_dumpit,
|
|
.policy = devlink_nl_policy,
|
|
.internal_flags = DEVLINK_NL_FLAG_NEED_PORT |
|
|
DEVLINK_NL_FLAG_NEED_SB,
|
|
/* can be retrieved by unprivileged users */
|
|
},
|
|
{
|
|
.cmd = DEVLINK_CMD_SB_PORT_POOL_SET,
|
|
.doit = devlink_nl_cmd_sb_port_pool_set_doit,
|
|
.policy = devlink_nl_policy,
|
|
.flags = GENL_ADMIN_PERM,
|
|
.internal_flags = DEVLINK_NL_FLAG_NEED_PORT |
|
|
DEVLINK_NL_FLAG_NEED_SB,
|
|
},
|
|
{
|
|
.cmd = DEVLINK_CMD_SB_TC_POOL_BIND_GET,
|
|
.doit = devlink_nl_cmd_sb_tc_pool_bind_get_doit,
|
|
.dumpit = devlink_nl_cmd_sb_tc_pool_bind_get_dumpit,
|
|
.policy = devlink_nl_policy,
|
|
.internal_flags = DEVLINK_NL_FLAG_NEED_PORT |
|
|
DEVLINK_NL_FLAG_NEED_SB,
|
|
/* can be retrieved by unprivileged users */
|
|
},
|
|
{
|
|
.cmd = DEVLINK_CMD_SB_TC_POOL_BIND_SET,
|
|
.doit = devlink_nl_cmd_sb_tc_pool_bind_set_doit,
|
|
.policy = devlink_nl_policy,
|
|
.flags = GENL_ADMIN_PERM,
|
|
.internal_flags = DEVLINK_NL_FLAG_NEED_PORT |
|
|
DEVLINK_NL_FLAG_NEED_SB,
|
|
},
|
|
{
|
|
.cmd = DEVLINK_CMD_SB_OCC_SNAPSHOT,
|
|
.doit = devlink_nl_cmd_sb_occ_snapshot_doit,
|
|
.policy = devlink_nl_policy,
|
|
.flags = GENL_ADMIN_PERM,
|
|
.internal_flags = DEVLINK_NL_FLAG_NEED_DEVLINK |
|
|
DEVLINK_NL_FLAG_NEED_SB |
|
|
DEVLINK_NL_FLAG_LOCK_PORTS,
|
|
},
|
|
{
|
|
.cmd = DEVLINK_CMD_SB_OCC_MAX_CLEAR,
|
|
.doit = devlink_nl_cmd_sb_occ_max_clear_doit,
|
|
.policy = devlink_nl_policy,
|
|
.flags = GENL_ADMIN_PERM,
|
|
.internal_flags = DEVLINK_NL_FLAG_NEED_DEVLINK |
|
|
DEVLINK_NL_FLAG_NEED_SB |
|
|
DEVLINK_NL_FLAG_LOCK_PORTS,
|
|
},
|
|
{
|
|
.cmd = DEVLINK_CMD_ESWITCH_MODE_GET,
|
|
.doit = devlink_nl_cmd_eswitch_mode_get_doit,
|
|
.policy = devlink_nl_policy,
|
|
.flags = GENL_ADMIN_PERM,
|
|
.internal_flags = DEVLINK_NL_FLAG_NEED_DEVLINK,
|
|
},
|
|
{
|
|
.cmd = DEVLINK_CMD_ESWITCH_MODE_SET,
|
|
.doit = devlink_nl_cmd_eswitch_mode_set_doit,
|
|
.policy = devlink_nl_policy,
|
|
.flags = GENL_ADMIN_PERM,
|
|
.internal_flags = DEVLINK_NL_FLAG_NEED_DEVLINK,
|
|
},
|
|
};
|
|
|
|
static struct genl_family devlink_nl_family __ro_after_init = {
|
|
.name = DEVLINK_GENL_NAME,
|
|
.version = DEVLINK_GENL_VERSION,
|
|
.maxattr = DEVLINK_ATTR_MAX,
|
|
.netnsok = true,
|
|
.pre_doit = devlink_nl_pre_doit,
|
|
.post_doit = devlink_nl_post_doit,
|
|
.module = THIS_MODULE,
|
|
.ops = devlink_nl_ops,
|
|
.n_ops = ARRAY_SIZE(devlink_nl_ops),
|
|
.mcgrps = devlink_nl_mcgrps,
|
|
.n_mcgrps = ARRAY_SIZE(devlink_nl_mcgrps),
|
|
};
|
|
|
|
/**
|
|
* devlink_alloc - Allocate new devlink instance resources
|
|
*
|
|
* @ops: ops
|
|
* @priv_size: size of user private data
|
|
*
|
|
* Allocate new devlink instance resources, including devlink index
|
|
* and name.
|
|
*/
|
|
struct devlink *devlink_alloc(const struct devlink_ops *ops, size_t priv_size)
|
|
{
|
|
struct devlink *devlink;
|
|
|
|
devlink = kzalloc(sizeof(*devlink) + priv_size, GFP_KERNEL);
|
|
if (!devlink)
|
|
return NULL;
|
|
devlink->ops = ops;
|
|
devlink_net_set(devlink, &init_net);
|
|
INIT_LIST_HEAD(&devlink->port_list);
|
|
INIT_LIST_HEAD(&devlink->sb_list);
|
|
return devlink;
|
|
}
|
|
EXPORT_SYMBOL_GPL(devlink_alloc);
|
|
|
|
/**
|
|
* devlink_register - Register devlink instance
|
|
*
|
|
* @devlink: devlink
|
|
*/
|
|
int devlink_register(struct devlink *devlink, struct device *dev)
|
|
{
|
|
mutex_lock(&devlink_mutex);
|
|
devlink->dev = dev;
|
|
list_add_tail(&devlink->list, &devlink_list);
|
|
devlink_notify(devlink, DEVLINK_CMD_NEW);
|
|
mutex_unlock(&devlink_mutex);
|
|
return 0;
|
|
}
|
|
EXPORT_SYMBOL_GPL(devlink_register);
|
|
|
|
/**
|
|
* devlink_unregister - Unregister devlink instance
|
|
*
|
|
* @devlink: devlink
|
|
*/
|
|
void devlink_unregister(struct devlink *devlink)
|
|
{
|
|
mutex_lock(&devlink_mutex);
|
|
devlink_notify(devlink, DEVLINK_CMD_DEL);
|
|
list_del(&devlink->list);
|
|
mutex_unlock(&devlink_mutex);
|
|
}
|
|
EXPORT_SYMBOL_GPL(devlink_unregister);
|
|
|
|
/**
|
|
* devlink_free - Free devlink instance resources
|
|
*
|
|
* @devlink: devlink
|
|
*/
|
|
void devlink_free(struct devlink *devlink)
|
|
{
|
|
kfree(devlink);
|
|
}
|
|
EXPORT_SYMBOL_GPL(devlink_free);
|
|
|
|
/**
|
|
* devlink_port_register - Register devlink port
|
|
*
|
|
* @devlink: devlink
|
|
* @devlink_port: devlink port
|
|
* @port_index
|
|
*
|
|
* Register devlink port with provided port index. User can use
|
|
* any indexing, even hw-related one. devlink_port structure
|
|
* is convenient to be embedded inside user driver private structure.
|
|
* Note that the caller should take care of zeroing the devlink_port
|
|
* structure.
|
|
*/
|
|
int devlink_port_register(struct devlink *devlink,
|
|
struct devlink_port *devlink_port,
|
|
unsigned int port_index)
|
|
{
|
|
mutex_lock(&devlink_port_mutex);
|
|
if (devlink_port_index_exists(devlink, port_index)) {
|
|
mutex_unlock(&devlink_port_mutex);
|
|
return -EEXIST;
|
|
}
|
|
devlink_port->devlink = devlink;
|
|
devlink_port->index = port_index;
|
|
devlink_port->registered = true;
|
|
list_add_tail(&devlink_port->list, &devlink->port_list);
|
|
mutex_unlock(&devlink_port_mutex);
|
|
devlink_port_notify(devlink_port, DEVLINK_CMD_PORT_NEW);
|
|
return 0;
|
|
}
|
|
EXPORT_SYMBOL_GPL(devlink_port_register);
|
|
|
|
/**
|
|
* devlink_port_unregister - Unregister devlink port
|
|
*
|
|
* @devlink_port: devlink port
|
|
*/
|
|
void devlink_port_unregister(struct devlink_port *devlink_port)
|
|
{
|
|
devlink_port_notify(devlink_port, DEVLINK_CMD_PORT_DEL);
|
|
mutex_lock(&devlink_port_mutex);
|
|
list_del(&devlink_port->list);
|
|
mutex_unlock(&devlink_port_mutex);
|
|
}
|
|
EXPORT_SYMBOL_GPL(devlink_port_unregister);
|
|
|
|
static void __devlink_port_type_set(struct devlink_port *devlink_port,
|
|
enum devlink_port_type type,
|
|
void *type_dev)
|
|
{
|
|
devlink_port->type = type;
|
|
devlink_port->type_dev = type_dev;
|
|
devlink_port_notify(devlink_port, DEVLINK_CMD_PORT_NEW);
|
|
}
|
|
|
|
/**
|
|
* devlink_port_type_eth_set - Set port type to Ethernet
|
|
*
|
|
* @devlink_port: devlink port
|
|
* @netdev: related netdevice
|
|
*/
|
|
void devlink_port_type_eth_set(struct devlink_port *devlink_port,
|
|
struct net_device *netdev)
|
|
{
|
|
return __devlink_port_type_set(devlink_port,
|
|
DEVLINK_PORT_TYPE_ETH, netdev);
|
|
}
|
|
EXPORT_SYMBOL_GPL(devlink_port_type_eth_set);
|
|
|
|
/**
|
|
* devlink_port_type_ib_set - Set port type to InfiniBand
|
|
*
|
|
* @devlink_port: devlink port
|
|
* @ibdev: related IB device
|
|
*/
|
|
void devlink_port_type_ib_set(struct devlink_port *devlink_port,
|
|
struct ib_device *ibdev)
|
|
{
|
|
return __devlink_port_type_set(devlink_port,
|
|
DEVLINK_PORT_TYPE_IB, ibdev);
|
|
}
|
|
EXPORT_SYMBOL_GPL(devlink_port_type_ib_set);
|
|
|
|
/**
|
|
* devlink_port_type_clear - Clear port type
|
|
*
|
|
* @devlink_port: devlink port
|
|
*/
|
|
void devlink_port_type_clear(struct devlink_port *devlink_port)
|
|
{
|
|
return __devlink_port_type_set(devlink_port,
|
|
DEVLINK_PORT_TYPE_NOTSET, NULL);
|
|
}
|
|
EXPORT_SYMBOL_GPL(devlink_port_type_clear);
|
|
|
|
/**
|
|
* devlink_port_split_set - Set port is split
|
|
*
|
|
* @devlink_port: devlink port
|
|
* @split_group: split group - identifies group split port is part of
|
|
*/
|
|
void devlink_port_split_set(struct devlink_port *devlink_port,
|
|
u32 split_group)
|
|
{
|
|
devlink_port->split = true;
|
|
devlink_port->split_group = split_group;
|
|
devlink_port_notify(devlink_port, DEVLINK_CMD_PORT_NEW);
|
|
}
|
|
EXPORT_SYMBOL_GPL(devlink_port_split_set);
|
|
|
|
int devlink_sb_register(struct devlink *devlink, unsigned int sb_index,
|
|
u32 size, u16 ingress_pools_count,
|
|
u16 egress_pools_count, u16 ingress_tc_count,
|
|
u16 egress_tc_count)
|
|
{
|
|
struct devlink_sb *devlink_sb;
|
|
int err = 0;
|
|
|
|
mutex_lock(&devlink_mutex);
|
|
if (devlink_sb_index_exists(devlink, sb_index)) {
|
|
err = -EEXIST;
|
|
goto unlock;
|
|
}
|
|
|
|
devlink_sb = kzalloc(sizeof(*devlink_sb), GFP_KERNEL);
|
|
if (!devlink_sb) {
|
|
err = -ENOMEM;
|
|
goto unlock;
|
|
}
|
|
devlink_sb->index = sb_index;
|
|
devlink_sb->size = size;
|
|
devlink_sb->ingress_pools_count = ingress_pools_count;
|
|
devlink_sb->egress_pools_count = egress_pools_count;
|
|
devlink_sb->ingress_tc_count = ingress_tc_count;
|
|
devlink_sb->egress_tc_count = egress_tc_count;
|
|
list_add_tail(&devlink_sb->list, &devlink->sb_list);
|
|
unlock:
|
|
mutex_unlock(&devlink_mutex);
|
|
return err;
|
|
}
|
|
EXPORT_SYMBOL_GPL(devlink_sb_register);
|
|
|
|
void devlink_sb_unregister(struct devlink *devlink, unsigned int sb_index)
|
|
{
|
|
struct devlink_sb *devlink_sb;
|
|
|
|
mutex_lock(&devlink_mutex);
|
|
devlink_sb = devlink_sb_get_by_index(devlink, sb_index);
|
|
WARN_ON(!devlink_sb);
|
|
list_del(&devlink_sb->list);
|
|
mutex_unlock(&devlink_mutex);
|
|
kfree(devlink_sb);
|
|
}
|
|
EXPORT_SYMBOL_GPL(devlink_sb_unregister);
|
|
|
|
static int __init devlink_module_init(void)
|
|
{
|
|
return genl_register_family(&devlink_nl_family);
|
|
}
|
|
|
|
static void __exit devlink_module_exit(void)
|
|
{
|
|
genl_unregister_family(&devlink_nl_family);
|
|
}
|
|
|
|
module_init(devlink_module_init);
|
|
module_exit(devlink_module_exit);
|
|
|
|
MODULE_LICENSE("GPL v2");
|
|
MODULE_AUTHOR("Jiri Pirko <jiri@mellanox.com>");
|
|
MODULE_DESCRIPTION("Network physical device Netlink interface");
|
|
MODULE_ALIAS_GENL_FAMILY(DEVLINK_GENL_NAME);
|