mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-29 23:53:55 +08:00
d0522f1cd2
Add extack arg to rtnl_create_link and add messages for invalid number of Tx or Rx queues. Signed-off-by: David Ahern <dsahern@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
174 lines
6.2 KiB
C
174 lines
6.2 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
|
|
#ifndef __NET_RTNETLINK_H
|
|
#define __NET_RTNETLINK_H
|
|
|
|
#include <linux/rtnetlink.h>
|
|
#include <net/netlink.h>
|
|
|
|
typedef int (*rtnl_doit_func)(struct sk_buff *, struct nlmsghdr *,
|
|
struct netlink_ext_ack *);
|
|
typedef int (*rtnl_dumpit_func)(struct sk_buff *, struct netlink_callback *);
|
|
|
|
enum rtnl_link_flags {
|
|
RTNL_FLAG_DOIT_UNLOCKED = 1,
|
|
};
|
|
|
|
void rtnl_register(int protocol, int msgtype,
|
|
rtnl_doit_func, rtnl_dumpit_func, unsigned int flags);
|
|
int rtnl_register_module(struct module *owner, int protocol, int msgtype,
|
|
rtnl_doit_func, rtnl_dumpit_func, unsigned int flags);
|
|
int rtnl_unregister(int protocol, int msgtype);
|
|
void rtnl_unregister_all(int protocol);
|
|
|
|
static inline int rtnl_msg_family(const struct nlmsghdr *nlh)
|
|
{
|
|
if (nlmsg_len(nlh) >= sizeof(struct rtgenmsg))
|
|
return ((struct rtgenmsg *) nlmsg_data(nlh))->rtgen_family;
|
|
else
|
|
return AF_UNSPEC;
|
|
}
|
|
|
|
/**
|
|
* struct rtnl_link_ops - rtnetlink link operations
|
|
*
|
|
* @list: Used internally
|
|
* @kind: Identifier
|
|
* @maxtype: Highest device specific netlink attribute number
|
|
* @policy: Netlink policy for device specific attribute validation
|
|
* @validate: Optional validation function for netlink/changelink parameters
|
|
* @priv_size: sizeof net_device private space
|
|
* @setup: net_device setup function
|
|
* @newlink: Function for configuring and registering a new device
|
|
* @changelink: Function for changing parameters of an existing device
|
|
* @dellink: Function to remove a device
|
|
* @get_size: Function to calculate required room for dumping device
|
|
* specific netlink attributes
|
|
* @fill_info: Function to dump device specific netlink attributes
|
|
* @get_xstats_size: Function to calculate required room for dumping device
|
|
* specific statistics
|
|
* @fill_xstats: Function to dump device specific statistics
|
|
* @get_num_tx_queues: Function to determine number of transmit queues
|
|
* to create when creating a new device.
|
|
* @get_num_rx_queues: Function to determine number of receive queues
|
|
* to create when creating a new device.
|
|
* @get_link_net: Function to get the i/o netns of the device
|
|
* @get_linkxstats_size: Function to calculate the required room for
|
|
* dumping device-specific extended link stats
|
|
* @fill_linkxstats: Function to dump device-specific extended link stats
|
|
*/
|
|
struct rtnl_link_ops {
|
|
struct list_head list;
|
|
|
|
const char *kind;
|
|
|
|
size_t priv_size;
|
|
void (*setup)(struct net_device *dev);
|
|
|
|
unsigned int maxtype;
|
|
const struct nla_policy *policy;
|
|
int (*validate)(struct nlattr *tb[],
|
|
struct nlattr *data[],
|
|
struct netlink_ext_ack *extack);
|
|
|
|
int (*newlink)(struct net *src_net,
|
|
struct net_device *dev,
|
|
struct nlattr *tb[],
|
|
struct nlattr *data[],
|
|
struct netlink_ext_ack *extack);
|
|
int (*changelink)(struct net_device *dev,
|
|
struct nlattr *tb[],
|
|
struct nlattr *data[],
|
|
struct netlink_ext_ack *extack);
|
|
void (*dellink)(struct net_device *dev,
|
|
struct list_head *head);
|
|
|
|
size_t (*get_size)(const struct net_device *dev);
|
|
int (*fill_info)(struct sk_buff *skb,
|
|
const struct net_device *dev);
|
|
|
|
size_t (*get_xstats_size)(const struct net_device *dev);
|
|
int (*fill_xstats)(struct sk_buff *skb,
|
|
const struct net_device *dev);
|
|
unsigned int (*get_num_tx_queues)(void);
|
|
unsigned int (*get_num_rx_queues)(void);
|
|
|
|
unsigned int slave_maxtype;
|
|
const struct nla_policy *slave_policy;
|
|
int (*slave_changelink)(struct net_device *dev,
|
|
struct net_device *slave_dev,
|
|
struct nlattr *tb[],
|
|
struct nlattr *data[],
|
|
struct netlink_ext_ack *extack);
|
|
size_t (*get_slave_size)(const struct net_device *dev,
|
|
const struct net_device *slave_dev);
|
|
int (*fill_slave_info)(struct sk_buff *skb,
|
|
const struct net_device *dev,
|
|
const struct net_device *slave_dev);
|
|
struct net *(*get_link_net)(const struct net_device *dev);
|
|
size_t (*get_linkxstats_size)(const struct net_device *dev,
|
|
int attr);
|
|
int (*fill_linkxstats)(struct sk_buff *skb,
|
|
const struct net_device *dev,
|
|
int *prividx, int attr);
|
|
};
|
|
|
|
int __rtnl_link_register(struct rtnl_link_ops *ops);
|
|
void __rtnl_link_unregister(struct rtnl_link_ops *ops);
|
|
|
|
int rtnl_link_register(struct rtnl_link_ops *ops);
|
|
void rtnl_link_unregister(struct rtnl_link_ops *ops);
|
|
|
|
/**
|
|
* struct rtnl_af_ops - rtnetlink address family operations
|
|
*
|
|
* @list: Used internally
|
|
* @family: Address family
|
|
* @fill_link_af: Function to fill IFLA_AF_SPEC with address family
|
|
* specific netlink attributes.
|
|
* @get_link_af_size: Function to calculate size of address family specific
|
|
* netlink attributes.
|
|
* @validate_link_af: Validate a IFLA_AF_SPEC attribute, must check attr
|
|
* for invalid configuration settings.
|
|
* @set_link_af: Function to parse a IFLA_AF_SPEC attribute and modify
|
|
* net_device accordingly.
|
|
*/
|
|
struct rtnl_af_ops {
|
|
struct list_head list;
|
|
int family;
|
|
|
|
int (*fill_link_af)(struct sk_buff *skb,
|
|
const struct net_device *dev,
|
|
u32 ext_filter_mask);
|
|
size_t (*get_link_af_size)(const struct net_device *dev,
|
|
u32 ext_filter_mask);
|
|
|
|
int (*validate_link_af)(const struct net_device *dev,
|
|
const struct nlattr *attr);
|
|
int (*set_link_af)(struct net_device *dev,
|
|
const struct nlattr *attr);
|
|
|
|
int (*fill_stats_af)(struct sk_buff *skb,
|
|
const struct net_device *dev);
|
|
size_t (*get_stats_af_size)(const struct net_device *dev);
|
|
};
|
|
|
|
void rtnl_af_register(struct rtnl_af_ops *ops);
|
|
void rtnl_af_unregister(struct rtnl_af_ops *ops);
|
|
|
|
struct net *rtnl_link_get_net(struct net *src_net, struct nlattr *tb[]);
|
|
struct net_device *rtnl_create_link(struct net *net, const char *ifname,
|
|
unsigned char name_assign_type,
|
|
const struct rtnl_link_ops *ops,
|
|
struct nlattr *tb[],
|
|
struct netlink_ext_ack *extack);
|
|
int rtnl_delete_link(struct net_device *dev);
|
|
int rtnl_configure_link(struct net_device *dev, const struct ifinfomsg *ifm);
|
|
|
|
int rtnl_nla_parse_ifla(struct nlattr **tb, const struct nlattr *head, int len,
|
|
struct netlink_ext_ack *exterr);
|
|
struct net *rtnl_get_net_ns_capable(struct sock *sk, int netnsid);
|
|
|
|
#define MODULE_ALIAS_RTNL_LINK(kind) MODULE_ALIAS("rtnl-link-" kind)
|
|
|
|
#endif
|