^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) /* SPDX-License-Identifier: GPL-2.0 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) #ifndef __NET_RTNETLINK_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) #define __NET_RTNETLINK_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) #include <linux/rtnetlink.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) #include <net/netlink.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) typedef int (*rtnl_doit_func)(struct sk_buff *, struct nlmsghdr *,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) struct netlink_ext_ack *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) typedef int (*rtnl_dumpit_func)(struct sk_buff *, struct netlink_callback *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) enum rtnl_link_flags {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) RTNL_FLAG_DOIT_UNLOCKED = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) void rtnl_register(int protocol, int msgtype,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) rtnl_doit_func, rtnl_dumpit_func, unsigned int flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) int rtnl_register_module(struct module *owner, int protocol, int msgtype,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) rtnl_doit_func, rtnl_dumpit_func, unsigned int flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) int rtnl_unregister(int protocol, int msgtype);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) void rtnl_unregister_all(int protocol);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) static inline int rtnl_msg_family(const struct nlmsghdr *nlh)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) if (nlmsg_len(nlh) >= sizeof(struct rtgenmsg))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) return ((struct rtgenmsg *) nlmsg_data(nlh))->rtgen_family;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) return AF_UNSPEC;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) * struct rtnl_link_ops - rtnetlink link operations
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) * @list: Used internally
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) * @kind: Identifier
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) * @netns_refund: Physical device, move to init_net on netns exit
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) * @maxtype: Highest device specific netlink attribute number
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) * @policy: Netlink policy for device specific attribute validation
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) * @validate: Optional validation function for netlink/changelink parameters
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) * @priv_size: sizeof net_device private space
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) * @setup: net_device setup function
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) * @newlink: Function for configuring and registering a new device
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) * @changelink: Function for changing parameters of an existing device
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) * @dellink: Function to remove a device
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) * @get_size: Function to calculate required room for dumping device
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) * specific netlink attributes
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) * @fill_info: Function to dump device specific netlink attributes
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) * @get_xstats_size: Function to calculate required room for dumping device
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) * specific statistics
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) * @fill_xstats: Function to dump device specific statistics
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) * @get_num_tx_queues: Function to determine number of transmit queues
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) * to create when creating a new device.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) * @get_num_rx_queues: Function to determine number of receive queues
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) * to create when creating a new device.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) * @get_link_net: Function to get the i/o netns of the device
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) * @get_linkxstats_size: Function to calculate the required room for
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) * dumping device-specific extended link stats
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) * @fill_linkxstats: Function to dump device-specific extended link stats
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) struct rtnl_link_ops {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) struct list_head list;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) const char *kind;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) size_t priv_size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) void (*setup)(struct net_device *dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) bool netns_refund;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) unsigned int maxtype;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) const struct nla_policy *policy;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) int (*validate)(struct nlattr *tb[],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) struct nlattr *data[],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) struct netlink_ext_ack *extack);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) int (*newlink)(struct net *src_net,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) struct net_device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) struct nlattr *tb[],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) struct nlattr *data[],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) struct netlink_ext_ack *extack);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) int (*changelink)(struct net_device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) struct nlattr *tb[],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) struct nlattr *data[],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) struct netlink_ext_ack *extack);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) void (*dellink)(struct net_device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) struct list_head *head);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) size_t (*get_size)(const struct net_device *dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) int (*fill_info)(struct sk_buff *skb,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) const struct net_device *dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) size_t (*get_xstats_size)(const struct net_device *dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) int (*fill_xstats)(struct sk_buff *skb,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) const struct net_device *dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) unsigned int (*get_num_tx_queues)(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) unsigned int (*get_num_rx_queues)(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) unsigned int slave_maxtype;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) const struct nla_policy *slave_policy;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) int (*slave_changelink)(struct net_device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) struct net_device *slave_dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) struct nlattr *tb[],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) struct nlattr *data[],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) struct netlink_ext_ack *extack);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) size_t (*get_slave_size)(const struct net_device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) const struct net_device *slave_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) int (*fill_slave_info)(struct sk_buff *skb,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) const struct net_device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) const struct net_device *slave_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) struct net *(*get_link_net)(const struct net_device *dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) size_t (*get_linkxstats_size)(const struct net_device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) int attr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) int (*fill_linkxstats)(struct sk_buff *skb,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) const struct net_device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) int *prividx, int attr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) int __rtnl_link_register(struct rtnl_link_ops *ops);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) void __rtnl_link_unregister(struct rtnl_link_ops *ops);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) int rtnl_link_register(struct rtnl_link_ops *ops);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) void rtnl_link_unregister(struct rtnl_link_ops *ops);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) * struct rtnl_af_ops - rtnetlink address family operations
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) * @list: Used internally
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) * @family: Address family
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) * @fill_link_af: Function to fill IFLA_AF_SPEC with address family
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) * specific netlink attributes.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) * @get_link_af_size: Function to calculate size of address family specific
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) * netlink attributes.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) * @validate_link_af: Validate a IFLA_AF_SPEC attribute, must check attr
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) * for invalid configuration settings.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) * @set_link_af: Function to parse a IFLA_AF_SPEC attribute and modify
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) * net_device accordingly.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) struct rtnl_af_ops {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) struct list_head list;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) int family;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) int (*fill_link_af)(struct sk_buff *skb,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) const struct net_device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) u32 ext_filter_mask);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) size_t (*get_link_af_size)(const struct net_device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) u32 ext_filter_mask);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) int (*validate_link_af)(const struct net_device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) const struct nlattr *attr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) int (*set_link_af)(struct net_device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) const struct nlattr *attr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) int (*fill_stats_af)(struct sk_buff *skb,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) const struct net_device *dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) size_t (*get_stats_af_size)(const struct net_device *dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) void rtnl_af_register(struct rtnl_af_ops *ops);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) void rtnl_af_unregister(struct rtnl_af_ops *ops);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) struct net *rtnl_link_get_net(struct net *src_net, struct nlattr *tb[]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) struct net_device *rtnl_create_link(struct net *net, const char *ifname,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) unsigned char name_assign_type,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) const struct rtnl_link_ops *ops,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) struct nlattr *tb[],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) struct netlink_ext_ack *extack);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) int rtnl_delete_link(struct net_device *dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) int rtnl_configure_link(struct net_device *dev, const struct ifinfomsg *ifm);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) int rtnl_nla_parse_ifla(struct nlattr **tb, const struct nlattr *head, int len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) struct netlink_ext_ack *exterr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) struct net *rtnl_get_net_ns_capable(struct sock *sk, int netnsid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) #define MODULE_ALIAS_RTNL_LINK(kind) MODULE_ALIAS("rtnl-link-" kind)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) #endif
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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