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00019 #include <netlink-local.h>
00020 #include <netlink/netlink.h>
00021 #include <netlink/attr.h>
00022 #include <netlink/utils.h>
00023 #include <netlink/object.h>
00024 #include <netlink/fib_lookup/request.h>
00025
00026 static struct nl_object_ops request_obj_ops;
00027
00028
00029 #define REQUEST_ATTR_ADDR 0x01
00030 #define REQUEST_ATTR_FWMARK 0x02
00031 #define REQUEST_ATTR_TOS 0x04
00032 #define REQUEST_ATTR_SCOPE 0x08
00033 #define REQUEST_ATTR_TABLE 0x10
00034
00035
00036 static void request_free_data(struct nl_object *obj)
00037 {
00038 struct flnl_request *req = REQUEST_CAST(obj);
00039
00040 if (req)
00041 nl_addr_put(req->lr_addr);
00042 }
00043
00044 static int request_clone(struct nl_object *_dst, struct nl_object *_src)
00045 {
00046 struct flnl_request *dst = nl_object_priv(_dst);
00047 struct flnl_request *src = nl_object_priv(_src);
00048
00049 if (src->lr_addr)
00050 if (!(dst->lr_addr = nl_addr_clone(src->lr_addr)))
00051 goto errout;
00052
00053 return 0;
00054 errout:
00055 return nl_get_errno();
00056 }
00057
00058 static int request_compare(struct nl_object *_a, struct nl_object *_b,
00059 uint32_t attrs, int flags)
00060 {
00061 struct flnl_request *a = (struct flnl_request *) _a;
00062 struct flnl_request *b = (struct flnl_request *) _b;
00063 int diff = 0;
00064
00065 #define REQ_DIFF(ATTR, EXPR) ATTR_DIFF(attrs, REQUEST_ATTR_##ATTR, a, b, EXPR)
00066
00067 diff |= REQ_DIFF(FWMARK, a->lr_fwmark != b->lr_fwmark);
00068 diff |= REQ_DIFF(TOS, a->lr_tos != b->lr_tos);
00069 diff |= REQ_DIFF(SCOPE, a->lr_scope != b->lr_scope);
00070 diff |= REQ_DIFF(TABLE, a->lr_table != b->lr_table);
00071 diff |= REQ_DIFF(ADDR, nl_addr_cmp(a->lr_addr, b->lr_addr));
00072
00073 #undef REQ_DIFF
00074
00075 return diff;
00076 }
00077
00078
00079
00080
00081
00082
00083
00084 struct flnl_request *flnl_request_alloc(void)
00085 {
00086 return REQUEST_CAST(nl_object_alloc(&request_obj_ops));
00087 }
00088
00089
00090
00091
00092
00093
00094
00095
00096 void flnl_request_set_fwmark(struct flnl_request *req, uint64_t fwmark)
00097 {
00098 req->lr_fwmark = fwmark;
00099 req->ce_mask |= REQUEST_ATTR_FWMARK;
00100 }
00101
00102 uint64_t flnl_request_get_fwmark(struct flnl_request *req)
00103 {
00104 if (req->ce_mask & REQUEST_ATTR_FWMARK)
00105 return req->lr_fwmark;
00106 else
00107 return UINT_LEAST64_MAX;
00108 }
00109
00110 void flnl_request_set_tos(struct flnl_request *req, int tos)
00111 {
00112 req->lr_tos = tos;
00113 req->ce_mask |= REQUEST_ATTR_TOS;
00114 }
00115
00116 int flnl_request_get_tos(struct flnl_request *req)
00117 {
00118 if (req->ce_mask & REQUEST_ATTR_TOS)
00119 return req->lr_tos;
00120 else
00121 return -1;
00122 }
00123
00124 void flnl_request_set_scope(struct flnl_request *req, int scope)
00125 {
00126 req->lr_scope = scope;
00127 req->ce_mask |= REQUEST_ATTR_SCOPE;
00128 }
00129
00130 int flnl_request_get_scope(struct flnl_request *req)
00131 {
00132 if (req->ce_mask & REQUEST_ATTR_SCOPE)
00133 return req->lr_scope;
00134 else
00135 return -1;
00136 }
00137
00138 void flnl_request_set_table(struct flnl_request *req, int table)
00139 {
00140 req->lr_table = table;
00141 req->ce_mask |= REQUEST_ATTR_TABLE;
00142 }
00143
00144 int flnl_request_get_table(struct flnl_request *req)
00145 {
00146 if (req->ce_mask & REQUEST_ATTR_TABLE)
00147 return req->lr_table;
00148 else
00149 return -1;
00150 }
00151
00152 int flnl_request_set_addr(struct flnl_request *req, struct nl_addr *addr)
00153 {
00154 if (addr->a_family != AF_INET)
00155 return nl_error(EINVAL, "Address must be an IPv4 address");
00156
00157 if (req->lr_addr)
00158 nl_addr_put(req->lr_addr);
00159
00160 nl_addr_get(addr);
00161 req->lr_addr = addr;
00162
00163 req->ce_mask |= REQUEST_ATTR_ADDR;
00164
00165 return 0;
00166 }
00167
00168 struct nl_addr *flnl_request_get_addr(struct flnl_request *req)
00169 {
00170 if (req->ce_mask & REQUEST_ATTR_ADDR)
00171 return req->lr_addr;
00172 else
00173 return NULL;
00174 }
00175
00176
00177
00178 static struct nl_object_ops request_obj_ops = {
00179 .oo_name = "fib_lookup/request",
00180 .oo_size = sizeof(struct flnl_request),
00181 .oo_free_data = request_free_data,
00182 .oo_clone = request_clone,
00183 .oo_compare = request_compare,
00184 .oo_id_attrs = ~0,
00185 };
00186
00187