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/tmp/buildd/libnl-1.1/lib/route/cls_obj.c

00001 /*
00002  * lib/route/cls_api.c       Classifier Object
00003  *
00004  *      This library is free software; you can redistribute it and/or
00005  *      modify it under the terms of the GNU Lesser General Public
00006  *      License as published by the Free Software Foundation version 2.1
00007  *      of the License.
00008  *
00009  * Copyright (c) 2003-2006 Thomas Graf <tgraf@suug.ch>
00010  */
00011 
00012 /**
00013  * @ingroup cls
00014  * @defgroup cls_obj Classifier Object
00015  * @{
00016  */
00017 
00018 #include <netlink-local.h>
00019 #include <netlink-tc.h>
00020 #include <netlink/netlink.h>
00021 #include <netlink/utils.h>
00022 #include <netlink/route/tc.h>
00023 #include <netlink/route/classifier.h>
00024 #include <netlink/route/classifier-modules.h>
00025 #include <netlink/route/link.h>
00026 
00027 /** @cond SKIP */
00028 #define CLS_ATTR_PRIO           (TCA_ATTR_MAX << 1)
00029 #define CLS_ATTR_PROTOCOL       (TCA_ATTR_MAX << 2)
00030 /** @endcond */
00031 
00032 static void cls_free_data(struct nl_object *obj)
00033 {
00034         struct rtnl_cls *cls = (struct rtnl_cls *) obj;
00035         struct rtnl_cls_ops *cops;
00036         
00037         tca_free_data((struct rtnl_tca *) cls);
00038 
00039         cops = rtnl_cls_lookup_ops(cls);
00040         if (cops && cops->co_free_data)
00041                 cops->co_free_data(cls);
00042 }
00043 
00044 static int cls_clone(struct nl_object *_dst, struct nl_object *_src)
00045 {
00046         struct rtnl_cls *dst = nl_object_priv(_dst);
00047         struct rtnl_cls *src = nl_object_priv(_src);
00048         struct rtnl_cls_ops *cops;
00049         int err;
00050         
00051         err = tca_clone((struct rtnl_tca *) dst, (struct rtnl_tca *) src);
00052         if (err < 0)
00053                 goto errout;
00054 
00055         cops = rtnl_cls_lookup_ops(src);
00056         if (cops && cops->co_clone)
00057                 err = cops->co_clone(dst, src);
00058 errout:
00059         return err;
00060 }
00061 
00062 static int cls_dump_brief(struct nl_object *obj, struct nl_dump_params *p)
00063 {
00064         char buf[32];
00065         struct rtnl_cls *cls = (struct rtnl_cls *) obj;
00066         struct rtnl_cls_ops *cops;
00067         int line;
00068 
00069         line = tca_dump_brief((struct rtnl_tca *) cls, "cls", p, 0);
00070 
00071         dp_dump(p, " prio %u protocol %s", cls->c_prio,
00072                 nl_ether_proto2str(cls->c_protocol, buf, sizeof(buf)));
00073 
00074         cops = rtnl_cls_lookup_ops(cls);
00075         if (cops && cops->co_dump[NL_DUMP_BRIEF])
00076                 line = cops->co_dump[NL_DUMP_BRIEF](cls, p, line);
00077         dp_dump(p, "\n");
00078 
00079         return line;
00080 }
00081 
00082 static int cls_dump_full(struct nl_object *obj, struct nl_dump_params *p)
00083 {
00084         struct rtnl_cls *cls = (struct rtnl_cls *) obj;
00085         struct rtnl_cls_ops *cops;
00086         int line;
00087 
00088         line = cls_dump_brief(obj, p);
00089         line = tca_dump_full((struct rtnl_tca *) cls, p, line);
00090 
00091         cops = rtnl_cls_lookup_ops(cls);
00092         if (cops && cops->co_dump[NL_DUMP_FULL])
00093                 line = cops->co_dump[NL_DUMP_FULL](cls, p, line);
00094         else
00095                 dp_dump(p, "no options\n");
00096 
00097         return line;
00098 }
00099 
00100 static int cls_dump_stats(struct nl_object *obj, struct nl_dump_params *p)
00101 {
00102         struct rtnl_cls *cls = (struct rtnl_cls *) obj;
00103         struct rtnl_cls_ops *cops;
00104         int line;
00105 
00106         line = cls_dump_full(obj, p);
00107         line = tca_dump_stats((struct rtnl_tca *) cls, p, line);
00108         dp_dump(p, "\n");
00109 
00110         cops = rtnl_cls_lookup_ops(cls);
00111         if (cops && cops->co_dump[NL_DUMP_STATS])
00112                 line = cops->co_dump[NL_DUMP_STATS](cls, p, line);
00113 
00114         return line;
00115 }
00116 
00117 /**
00118  * @name Allocation/Freeing
00119  * @{
00120  */
00121 
00122 struct rtnl_cls *rtnl_cls_alloc(void)
00123 {
00124         return (struct rtnl_cls *) co_clone)
00057                 err = cops->co_clone(dst, src);
00058 errout:
00059         return err;
00060 }
00061 
00062 static int cls_dump_brief(struct nl_object *obj, struct nl_dump_params *p)
00063 {
00064         char buf[32];
00065         struct rtnl_cls *cls = (struct rtnl_cls *) obj;
00066         struct rtnl_cls_ops *cops;
00067         int line;
00068 
00069         line = tca_dump_brief((struct rtnl_tca *) cls, "cls", p, 0);
00070 
00071         dp_dump(p, " prio %u protocol %s", cls->c_prio,
00072                 nl_ether_proto2str(cls->c_protocol, buf, sizeof(buf)));
00073 
00074         cops = rtnl_cls_lookup_ops(cls);
00075         if (cops && cops->co_dump[NL_DUMP_BRIEF])
00076                 line = cops->co_dump[NL_DUMP_BRIEF](cls, p, line);
00077         dp_dump(p, "\n");
00078 
00079         return line;
00080 }
00081 
00082 static int cls_dump_full(struct nl_object *obj, struct nl_dump_params *p)
00083 {
00084         struct rtnl_cls *cls = (struct rtnl_cls *) obj;
00085         struct rtnl_cls_ops *cops;
00086         int line;
00087 
00088         line = cls_dump_brief(obj, p);
00089         line = tca_dump_full((struct rtnl_tca *) cls, p, line);
00090 
00091         cops = rtnl_cls_lookup_ops(cls);
00092         if (cops && cops->co_dump[NL_DUMP_FULL])
00093                 line = cops->co_dump[NL_DUMP_FULL](cls, p, line);
00094         else
00095                 dp_dump(p, "no options\n");
00096 
00097         return line;
00098 }
00099 
00100 static int cls_dump_stats(struct nl_object *obj, struct nl_dump_params *p)
00101 {
00102         struct rtnl_cls *cls = (struct rtnl_cls *) obj;
00103         struct rtnl_cls_ops *cops;
00104         int line;
00105 
00106         line = cls_dump_full(obj, p);
00107         line = tca_dump_stats((struct rtnl_tca *) cls, p, line);
00108         dp_dump(p, "\n");
00109 
00110         cops = rtnl_cls_lookup_ops(cls);
00111         if (cops && cops->