You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
184 lines
3.4 KiB
184 lines
3.4 KiB
/*
|
|
* lib/route/act/gact.c gact action
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License as published by the Free Software Foundation version 2.1
|
|
* of the License.
|
|
*
|
|
* Copyright (c) 2016 Sushma Sitaram <sushma.sitaram@intel.com>
|
|
*/
|
|
|
|
/**
|
|
* @ingroup act
|
|
* @defgroup act_gact GACT Editing
|
|
*
|
|
* @{
|
|
*/
|
|
|
|
#include <netlink-private/netlink.h>
|
|
#include <netlink-private/tc.h>
|
|
#include <netlink/netlink.h>
|
|
#include <netlink/attr.h>
|
|
#include <netlink/utils.h>
|
|
#include <netlink-private/route/tc-api.h>
|
|
#include <netlink/route/act/gact.h>
|
|
|
|
static struct nla_policy gact_policy[TCA_GACT_MAX + 1] = {
|
|
[TCA_GACT_PARMS] = { .minlen = sizeof(struct tc_gact) },
|
|
};
|
|
|
|
static int gact_msg_parser(struct rtnl_tc *tc, void *data)
|
|
{
|
|
struct rtnl_gact *u = data;
|
|
struct nlattr *tb[TCA_GACT_MAX + 1];
|
|
int err;
|
|
|
|
err = tca_parse(tb, TCA_GACT_MAX, tc, gact_policy);
|
|
if (err < 0)
|
|
return err;
|
|
|
|
if (!tb[TCA_GACT_PARMS])
|
|
return -NLE_MISSING_ATTR;
|
|
|
|
nla_memcpy(&u->g_parm, tb[TCA_GACT_PARMS], sizeof(u->g_parm));
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void gact_free_data(struct rtnl_tc *tc, void *data)
|
|
{
|
|
}
|
|
|
|
static int gact_clone(void *_dst, void *_src)
|
|
{
|
|
struct rtnl_gact *dst = _dst, *src = _src;
|
|
|
|
memcpy(&dst->g_parm, &src->g_parm, sizeof(src->g_parm));
|
|
return 0;
|
|
}
|
|
|
|
static void gact_dump_line(struct rtnl_tc *tc, void *data,
|
|
struct nl_dump_params *p)
|
|
{
|
|
struct rtnl_gact *u = data;
|
|
|
|
if (!u)
|
|
return;
|
|
|
|
switch(u->g_parm.action){
|
|
case TC_ACT_UNSPEC:
|
|
nl_dump(p, " continue");
|
|
break;
|
|
case TC_ACT_SHOT:
|
|
nl_dump(p, " drop");
|
|
break;
|
|
case TC_ACT_RECLASSIFY:
|
|
nl_dump(p, " reclassify");
|
|
break;
|
|
case TC_ACT_OK:
|
|
nl_dump(p, " pass");
|
|
break;
|
|
}
|
|
|
|
}
|
|
|
|
static void gact_dump_details(struct rtnl_tc *tc, void *data,
|
|
struct nl_dump_params *p)
|
|
{
|
|
}
|
|
|
|
static void gact_dump_stats(struct rtnl_tc *tc, void *data,
|
|
struct nl_dump_params *p)
|
|
{
|
|
struct rtnl_gact *u = data;
|
|
|
|
if (!u)
|
|
return;
|
|
/* TODO */
|
|
}
|
|
|
|
|
|
static int gact_msg_fill(struct rtnl_tc *tc, void *data, struct nl_msg *msg)
|
|
{
|
|
struct rtnl_gact *u = data;
|
|
|
|
if (!u)
|
|
return 0;
|
|
|
|
NLA_PUT(msg, TCA_GACT_PARMS, sizeof(u->g_parm), &u->g_parm);
|
|
|
|
return 0;
|
|
|
|
nla_put_failure:
|
|
return -NLE_NOMEM;
|
|
}
|
|
|
|
/**
|
|
* @name Attribute Modifications
|
|
* @{
|
|
*/
|
|
|
|
int rtnl_gact_set_action(struct rtnl_act *act, int action)
|
|
{
|
|
struct rtnl_gact *u;
|
|
|
|
if (!(u = (struct rtnl_gact *) rtnl_tc_data(TC_CAST(act))))
|
|
return -NLE_NOMEM;
|
|
|
|
if (action > TC_ACT_SHOT || action < TC_ACT_UNSPEC)
|
|
return -NLE_INVAL;
|
|
|
|
switch (action) {
|
|
case TC_ACT_UNSPEC:
|
|
case TC_ACT_SHOT:
|
|
u->g_parm.action = action;
|
|
break;
|
|
case TC_ACT_OK:
|
|
case TC_ACT_RECLASSIFY:
|
|
default:
|
|
return NLE_OPNOTSUPP;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
int rtnl_gact_get_action(struct rtnl_act *act)
|
|
{
|
|
struct rtnl_gact *u;
|
|
|
|
if (!(u = (struct rtnl_gact *) rtnl_tc_data(TC_CAST(act))))
|
|
return -NLE_NOMEM;
|
|
return u->g_parm.action;
|
|
}
|
|
|
|
|
|
/** @} */
|
|
|
|
static struct rtnl_tc_ops gact_ops = {
|
|
.to_kind = "gact",
|
|
.to_type = RTNL_TC_TYPE_ACT,
|
|
.to_size = sizeof(struct rtnl_gact),
|
|
.to_msg_parser = gact_msg_parser,
|
|
.to_free_data = gact_free_data,
|
|
.to_clone = gact_clone,
|
|
.to_msg_fill = gact_msg_fill,
|
|
.to_dump = {
|
|
[NL_DUMP_LINE] = gact_dump_line,
|
|
[NL_DUMP_DETAILS] = gact_dump_details,
|
|
[NL_DUMP_STATS] = gact_dump_stats,
|
|
},
|
|
};
|
|
|
|
static void __init gact_init(void)
|
|
{
|
|
rtnl_tc_register(&gact_ops);
|
|
}
|
|
|
|
static void __exit gact_exit(void)
|
|
{
|
|
rtnl_tc_unregister(&gact_ops);
|
|
}
|
|
|
|
/** @} */
|