OpenWrt – Blame information for rev 1
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1 | office | 1 | /* |
2 | * netlink/genl/family.h Generic Netlink Family |
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3 | * |
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4 | * This library is free software; you can redistribute it and/or |
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5 | * modify it under the terms of the GNU Lesser General Public |
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6 | * License as published by the Free Software Foundation version 2.1 |
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7 | * of the License. |
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8 | * |
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9 | * Copyright (c) 2003-2006 Thomas Graf <tgraf@suug.ch> |
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10 | */ |
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11 | |||
12 | #ifndef NETLINK_GENL_FAMILY_H_ |
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13 | #define NETLINK_GENL_FAMILY_H_ |
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14 | |||
15 | #include <netlink/netlink.h> |
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16 | #include <netlink/cache.h> |
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17 | |||
18 | #ifdef __cplusplus |
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19 | extern "C" { |
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20 | #endif |
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21 | |||
22 | /** @cond SKIP */ |
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23 | #define FAMILY_ATTR_ID 0x01 |
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24 | #define FAMILY_ATTR_NAME 0x02 |
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25 | #define FAMILY_ATTR_VERSION 0x04 |
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26 | #define FAMILY_ATTR_HDRSIZE 0x08 |
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27 | #define FAMILY_ATTR_MAXATTR 0x10 |
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28 | #define FAMILY_ATTR_OPS 0x20 |
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29 | |||
30 | |||
31 | struct genl_family |
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32 | { |
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33 | NLHDR_COMMON |
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34 | |||
35 | uint16_t gf_id; |
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36 | char gf_name[GENL_NAMSIZ]; |
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37 | uint32_t gf_version; |
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38 | uint32_t gf_hdrsize; |
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39 | uint32_t gf_maxattr; |
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40 | |||
41 | struct nl_list_head gf_ops; |
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42 | struct nl_list_head gf_mc_grps; |
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43 | }; |
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44 | |||
45 | |||
46 | extern struct genl_family * genl_family_alloc(void); |
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47 | extern void genl_family_put(struct genl_family *); |
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48 | |||
49 | extern int genl_family_add_op(struct genl_family *, |
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50 | int, int); |
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51 | extern int genl_family_add_grp(struct genl_family *, |
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52 | uint32_t , const char *); |
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53 | |||
54 | |||
55 | /** |
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56 | * @name Attributes |
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57 | * @{ |
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58 | */ |
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59 | |||
60 | static inline unsigned int genl_family_get_id(struct genl_family *family) |
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61 | { |
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62 | if (family->ce_mask & FAMILY_ATTR_ID) |
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63 | return family->gf_id; |
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64 | else |
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65 | return 0; |
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66 | } |
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67 | |||
68 | static inline void genl_family_set_id(struct genl_family *family, unsigned int id) |
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69 | { |
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70 | family->gf_id = id; |
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71 | family->ce_mask |= FAMILY_ATTR_ID; |
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72 | } |
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73 | |||
74 | static inline char *genl_family_get_name(struct genl_family *family) |
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75 | { |
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76 | if (family->ce_mask & FAMILY_ATTR_NAME) |
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77 | return family->gf_name; |
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78 | else |
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79 | return NULL; |
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80 | } |
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81 | |||
82 | static inline void genl_family_set_name(struct genl_family *family, const char *name) |
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83 | { |
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84 | strncpy(family->gf_name, name, GENL_NAMSIZ-1); |
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85 | family->ce_mask |= FAMILY_ATTR_NAME; |
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86 | } |
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87 | |||
88 | static inline uint8_t genl_family_get_version(struct genl_family *family) |
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89 | { |
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90 | if (family->ce_mask & FAMILY_ATTR_VERSION) |
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91 | return family->gf_version; |
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92 | else |
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93 | return 0; |
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94 | } |
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95 | |||
96 | static inline void genl_family_set_version(struct genl_family *family, uint8_t version) |
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97 | { |
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98 | family->gf_version = version; |
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99 | family->ce_mask |= FAMILY_ATTR_VERSION; |
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100 | } |
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101 | |||
102 | static inline uint32_t genl_family_get_hdrsize(struct genl_family *family) |
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103 | { |
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104 | if (family->ce_mask & FAMILY_ATTR_HDRSIZE) |
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105 | return family->gf_hdrsize; |
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106 | else |
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107 | return 0; |
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108 | } |
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109 | |||
110 | static inline void genl_family_set_hdrsize(struct genl_family *family, uint32_t hdrsize) |
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111 | { |
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112 | family->gf_hdrsize = hdrsize; |
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113 | family->ce_mask |= FAMILY_ATTR_HDRSIZE; |
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114 | } |
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115 | |||
116 | static inline uint32_t genl_family_get_maxattr(struct genl_family *family) |
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117 | { |
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118 | if (family->ce_mask & FAMILY_ATTR_MAXATTR) |
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119 | return family->gf_maxattr; |
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120 | else |
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121 | return family->gf_maxattr; |
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122 | } |
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123 | |||
124 | static inline void genl_family_set_maxattr(struct genl_family *family, uint32_t maxattr) |
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125 | { |
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126 | family->gf_maxattr = maxattr; |
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127 | family->ce_mask |= FAMILY_ATTR_MAXATTR; |
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128 | } |
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129 | |||
130 | #ifdef __cplusplus |
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131 | } |
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132 | #endif |
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133 | |||
134 | #endif |