src/udev/net/link-config.h

   1 /* SPDX-License-Identifier: LGPL-2.1-or-later */
   2 #pragma once
   3
   4 #include "sd-device.h"
   5 #include "sd-netlink.h"
   6
   7 #include "condition.h"
   8 #include "conf-parser.h"
   9 #include "ethtool-util.h"
  10 #include "list.h"
  11 #include "net-condition.h"
  12 #include "netif-naming-scheme.h"
  13
  14 typedef struct LinkConfigContext LinkConfigContext;
  15 typedef struct LinkConfig LinkConfig;
  16
  17 typedef enum MACAddressPolicy {
  18         MAC_ADDRESS_POLICY_PERSISTENT,
  19         MAC_ADDRESS_POLICY_RANDOM,
  20         MAC_ADDRESS_POLICY_NONE,
  21         _MAC_ADDRESS_POLICY_MAX,
  22         _MAC_ADDRESS_POLICY_INVALID = -EINVAL,
  23 } MACAddressPolicy;
  24
  25 typedef struct Link {
  26         int ifindex;
  27         const char *ifname;
  28         const char *new_name;
  29
  30         LinkConfig *config;
  31         sd_device *device;
  32         sd_device_action_t action;
  33
  34         char *driver;
  35         uint16_t iftype;
  36         uint32_t flags;
  37         struct hw_addr_data hw_addr;
  38         struct hw_addr_data permanent_hw_addr;
  39         unsigned name_assign_type;
  40         unsigned addr_assign_type;
  41 } Link;
  42
  43 struct LinkConfig {
  44         char *filename;
  45
  46         NetMatch match;
  47         LIST_HEAD(Condition, conditions);
  48
  49         char *description;
  50         struct hw_addr_data hw_addr;
  51         MACAddressPolicy mac_address_policy;
  52         NamePolicy *name_policy;
  53         NamePolicy *alternative_names_policy;
  54         char *name;
  55         char **alternative_names;
  56         char *alias;
  57         uint32_t txqueues;
  58         uint32_t rxqueues;
  59         uint32_t txqueuelen;
  60         uint32_t mtu;
  61         uint32_t gso_max_segments;
  62         size_t gso_max_size;
  63         uint64_t speed;
  64         Duplex duplex;
  65         int autonegotiation;
  66         uint32_t advertise[N_ADVERTISE];
  67         uint32_t wol;
  68         char *wol_password_file;
  69         uint8_t *wol_password;
  70         NetDevPort port;
  71         int features[_NET_DEV_FEAT_MAX];
  72         netdev_channels channels;
  73         netdev_ring_param ring;
  74         int rx_flow_control;
  75         int tx_flow_control;
  76         int autoneg_flow_control;
  77         netdev_coalesce_param coalesce;
  78
  79         LIST_FIELDS(LinkConfig, configs);
  80 };
  81
  82 int link_config_ctx_new(LinkConfigContext **ret);
  83 LinkConfigContext* link_config_ctx_free(LinkConfigContext *ctx);
  84 DEFINE_TRIVIAL_CLEANUP_FUNC(LinkConfigContext*, link_config_ctx_free);
  85
  86 int link_load_one(LinkConfigContext *ctx, const char *filename);
  87 int link_config_load(LinkConfigContext *ctx);
  88 bool link_config_should_reload(LinkConfigContext *ctx);
  89
  90 int link_new(LinkConfigContext *ctx, sd_netlink **rtnl, sd_device *device, Link **ret);
  91 Link *link_free(Link *link);
  92 DEFINE_TRIVIAL_CLEANUP_FUNC(Link*, link_free);
  93
  94 int link_get_config(LinkConfigContext *ctx, Link *link);
  95 int link_apply_config(LinkConfigContext *ctx, sd_netlink **rtnl, Link *link);
  96
  97 const char *mac_address_policy_to_string(MACAddressPolicy p) _const_;
  98 MACAddressPolicy mac_address_policy_from_string(const char *p) _pure_;
  99
 100 /* gperf lookup function */
 101 const struct ConfigPerfItem* link_config_gperf_lookup(const char *key, GPERF_LEN_TYPE length);
 102
 103 CONFIG_PARSER_PROTOTYPE(config_parse_ifalias);
 104 CONFIG_PARSER_PROTOTYPE(config_parse_rx_tx_queues);
 105 CONFIG_PARSER_PROTOTYPE(config_parse_txqueuelen);
 106 CONFIG_PARSER_PROTOTYPE(config_parse_wol_password);
 107 CONFIG_PARSER_PROTOTYPE(config_parse_mac_address_policy);
 108 CONFIG_PARSER_PROTOTYPE(config_parse_name_policy);
 109 CONFIG_PARSER_PROTOTYPE(config_parse_alternative_names_policy);