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nl-cls-* tools

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cli based tools to add/update/list/delete classifiers
This commit is contained in:
Thomas Graf 2010-10-26 22:30:02 +02:00
parent 4c6d1c5dfb
commit b57a697ef1
11 changed files with 507 additions and 170 deletions
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38
include/netlink/cli/cls.h Normal file
View file

@ -0,0 +1,38 @@
/*
* netlink/cli/cls.h CLI Classifier Helpers
*
* 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) 2010 Thomas Graf <tgraf@suug.ch>
*/
#ifndef __NETLINK_CLI_CLS_H_
#define __NETLINK_CLI_CLS_H_
#include <netlink/route/classifier.h>
#include <netlink/route/classifier-modules.h>
#include <netlink/cli/tc.h>
struct nl_cli_cls_module
{
const char * cm_name;
struct rtnl_cls_ops * cm_ops;
int (*cm_parse_argv)(struct rtnl_cls *, int, char **);
struct nl_list_head cm_list;
};
extern struct rtnl_cls * nl_cli_cls_alloc(void);
extern struct nl_cache * nl_cli_cls_alloc_cache(struct nl_sock *,
int, uint32_t);
extern void nl_cli_cls_parse_kind(struct rtnl_cls *, char *);
extern void nl_cli_cls_parse_proto(struct rtnl_cls *, char *);
extern struct nl_cli_cls_module *nl_cli_cls_lookup(struct rtnl_cls_ops *);
extern void nl_cli_cls_register(struct nl_cli_cls_module *);
extern void nl_cli_cls_unregister(struct nl_cli_cls_module *);
#endif

6
lib/Makefile.am
View file

@ -41,7 +41,7 @@ libnl_route_la_SOURCES = \
route/qdisc_api.c route/qdisc_obj.c route/route.c route/route_obj.c \
route/route_utils.c route/rtnl.c route/rule.c route/tc.c route/classid.c \
\
route/cls/fw.c route/cls/police.c route/cls/u32.c \
route/cls/fw.c route/cls/police.c route/cls/u32.c route/cls/basic.c \
\
route/link/api.c route/link/vlan.c \
\
@ -59,10 +59,12 @@ nobase_pkglib_LTLIBRARIES = \
cli/qdisc/htb.la \
cli/qdisc/blackhole.la \
cli/qdisc/pfifo.la \
cli/qdisc/bfifo.la
cli/qdisc/bfifo.la \
cli/cls/basic.la
cli_qdisc_htb_la_LDFLAGS = -module -version-info 0:0:0
cli_qdisc_blackhole_la_LDFLAGS = -module -version-info 0:0:0
cli_qdisc_pfifo_la_LDFLAGS = -module -version-info 0:0:0
cli_qdisc_bfifo_la_LDFLAGS = -module -version-info 0:0:0
cli_cls_basic_la_LDFLAGS = -module -version-info 0:0:0
endif

84
lib/cli/cls/basic.c Normal file
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@ -0,0 +1,84 @@
/*
* lib/cli/cls/basic.c basic classifier module for CLI lib
*
* 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) 2010 Thomas Graf <tgraf@suug.ch>
*/
#include <netlink/cli/utils.h>
#include <netlink/cli/cls.h>
#include <netlink/route/cls/basic.h>
static void print_usage(void)
{
printf(
"Usage: nl-cls-add [...] basic [OPTIONS]...\n"
"\n"
"OPTIONS\n"
" -h, --help Show this help text.\n"
" -t, --target=ID Target class to send matching packets to\n"
"\n"
"EXAMPLE"
" # Create a \"catch-all\" classifier, attached to \"q_root\", classyfing\n"
" # all not yet classified packets to class \"c_default\"\n"
" nl-cls-add --dev=eth0 --parent=q_root basic --target=c_default\n");
}
static int parse_argv(struct rtnl_cls *cls, int argc, char **argv)
{
uint32_t target;
int err;
for (;;) {
int c, optidx = 0;
enum {
ARG_TARGET = 257,
ARG_DEFAULT = 258,
};
static struct option long_opts[] = {
{ "help", 0, 0, 'h' },
{ "target", 1, 0, 't' },
{ 0, 0, 0, 0 }
};
c = getopt_long(argc, argv, "ht:", long_opts, &optidx);
if (c == -1)
break;
switch (c) {
case 'h':
print_usage();
exit(0);
case 't':
if ((err = rtnl_tc_str2handle(optarg, &target)) < 0)
nl_cli_fatal(err, "Unable to parse target \"%s\":",
optarg, nl_geterror(err));
rtnl_basic_set_classid(cls, target);
break;
}
}
return 0;
}
static struct nl_cli_cls_module basic_module =
{
.cm_name = "basic",
.cm_parse_argv = parse_argv,
};
static void __init basic_init(void)
{
nl_cli_cls_register(&basic_module);
}
static void __exit basic_exit(void)
{
nl_cli_cls_unregister(&basic_module);
}

18
lib/route/cls/basic.c
View file

@ -6,7 +6,7 @@
* License as published by the Free Software Foundation version 2.1
* of the License.
*
* Copyright (c) 2008-2009 Thomas Graf <tgraf@suug.ch>
* Copyright (c) 2008-2010 Thomas Graf <tgraf@suug.ch>
*/
/**
@ -28,12 +28,10 @@
#include <netlink/route/classifier.h>
#include <netlink/route/classifier-modules.h>
#include <netlink/route/cls/basic.h>
#include <netlink/route/cls/ematch.h>
struct rtnl_basic
{
uint32_t b_classid;
struct rtnl_ematch_tree * b_ematch;
int b_mask;
};
@ -42,7 +40,7 @@ struct rtnl_basic
#define BASIC_ATTR_EMATCH 0x002
/** @endcond */
static struct nla_policy basic_policy[TCA_FW_MAX+1] = {
static struct nla_policy basic_policy[TCA_BASIC_MAX+1] = {
[TCA_BASIC_CLASSID] = { .type = NLA_U32 },
[TCA_BASIC_EMATCHES] = { .type = NLA_NESTED },
[TCA_BASIC_ACT] = { .type = NLA_NESTED },
@ -56,9 +54,11 @@ static int basic_clone(struct rtnl_cls *_dst, struct rtnl_cls *_src)
static void basic_free_data(struct rtnl_cls *cls)
{
#if 0
struct rtnl_basic *basic = rtnl_cls_data(cls);
rtnl_ematch_tree_free(basic->b_ematch);
#endif
}
static int basic_msg_parser(struct rtnl_cls *cls)
@ -77,12 +77,14 @@ static int basic_msg_parser(struct rtnl_cls *cls)
}
if (tb[TCA_BASIC_EMATCHES]) {
#if 0
if ((err = rtnl_ematch_parse(tb[TCA_BASIC_EMATCHES],
&basic->b_ematch)) < 0)
return err;
if (basic->b_ematch)
basic->b_mask |= BASIC_ATTR_EMATCH;
#endif
}
if (tb[TCA_BASIC_ACT]) {
@ -101,18 +103,21 @@ static void basic_dump_line(struct rtnl_cls *cls, struct nl_dump_params *p)
struct rtnl_basic *b = rtnl_cls_data(cls);
char buf[32];
#if 0
if (b->b_mask & BASIC_ATTR_EMATCH)
nl_dump(p, " ematch");
else
nl_dump(p, " match-all");
#endif
if (b->b_mask & BASIC_ATTR_CLASSID)
nl_dump(p, " classify-to %s",
nl_dump(p, " target %s",
rtnl_tc_handle2str(b->b_classid, buf, sizeof(buf)));
}
static void basic_dump_details(struct rtnl_cls *cls, struct nl_dump_params *p)
{
#if 0
struct rtnl_basic *b = rtnl_cls_data(cls);
if (b->b_mask & BASIC_ATTR_EMATCH) {
@ -120,6 +125,7 @@ static void basic_dump_details(struct rtnl_cls *cls, struct nl_dump_params *p)
nl_dump_line(p, " ematch ");
rtnl_ematch_tree_dump(b->b_ematch, p);
} else
#endif
nl_dump(p, "no options.\n");
}
@ -160,6 +166,7 @@ uint32_t rtnl_basic_get_classid(struct rtnl_cls *cls)
return b->b_classid;
}
#if 0
int rtnl_basic_set_ematch(struct rtnl_cls *cls, struct rtnl_ematch_tree *tree)
{
struct rtnl_basic *b = rtnl_cls_data(cls);
@ -182,6 +189,7 @@ struct rtnl_ematch_tree *rtnl_basic_get_ematch(struct rtnl_cls *cls)
struct rtnl_basic *b = rtnl_cls_data(cls);
return b->b_ematch;
}
#endif
/** @} */

3
src/.gitignore vendored
View file

@ -24,6 +24,9 @@ nl-qdisc-list
nl-class-add
nl-class-delete
nl-class-list
nl-cls-add
nl-cls-delete
nl-cls-list
nl-route-add
nl-route-delete
nl-route-list

8
src/Makefile.am
View file

@ -8,6 +8,7 @@ AM_LDFLAGS = -L${top_builddir}/lib -L${top_builddir}/src/lib -lnl-cli
sbin_PROGRAMS = \
nl-qdisc-add nl-qdisc-list nl-qdisc-delete \
nl-class-add nl-class-list nl-class-delete \
nl-cls-add nl-cls-list nl-cls-delete \
nl-classid-lookup
noinst_PROGRAMS = \
@ -84,6 +85,13 @@ nl_class_delete_LDADD = -lnl-route
nl_class_list_SOURCES = nl-class-list.c
nl_class_list_LDADD = -lnl-route
nl_cls_add_SOURCES = nl-cls-add.c
nl_cls_add_LDADD = -lnl-route
nl_cls_list_SOURCES = nl-cls-list.c
nl_cls_list_LDADD = -lnl-route
nl_cls_delete_SOURCES = nl-cls-delete.c
nl_cls_delete_LDADD = -lnl-route
nl_route_add_SOURCES = nl-route-add.c
nl_route_add_LDADD = -lnl-route
nl_route_delete_SOURCES = nl-route-delete.c

3
src/lib/Makefile.am
View file

@ -34,6 +34,7 @@ libnl_cli_la_LIBADD = ${top_builddir}/lib/libnl.la \
${top_builddir}/lib/libnl-genl.la
libnl_cli_la_SOURCES = \
utils.c addr.c ct.c link.c neigh.c tc.c qdisc.c class.c rule.c route.c
utils.c addr.c ct.c link.c neigh.c rule.c route.c \
tc.c qdisc.c class.c cls.c
# cls/ematch_syntax.c cls/ematch_grammar.c cls/ematch.c
# cls/pktloc_syntax.c cls/pktloc_grammar.c cls/utils.c

115
src/lib/cls.c Normal file
View file

@ -0,0 +1,115 @@
/*
* src/lib/cls.c CLI Classifier Helpers
*
* 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) 2010 Thomas Graf <tgraf@suug.ch>
*/
/**
* @ingroup cli
* @defgroup cli_cls Classifiers
* @{
*/
#include <netlink/cli/utils.h>
#include <netlink/cli/cls.h>
struct rtnl_cls *nl_cli_cls_alloc(void)
{
struct rtnl_cls *cls;
cls = rtnl_cls_alloc();
if (!cls)
nl_cli_fatal(ENOMEM, "Unable to allocate classifier object");
return cls;
}
struct nl_cache *nl_cli_cls_alloc_cache(struct nl_sock *sock, int ifindex,
uint32_t parent)
{
struct nl_cache *cache;
int err;
if ((err = rtnl_cls_alloc_cache(sock, ifindex, parent, &cache)) < 0)
nl_cli_fatal(err, "Unable to allocate classifier cache: %s",
nl_geterror(err));
return cache;
}
void nl_cli_cls_parse_kind(struct rtnl_cls *cls, char *arg)
{
rtnl_cls_set_kind(cls, arg);
}
void nl_cli_cls_parse_proto(struct rtnl_cls *cls, char *arg)
{
int proto;
if ((proto = nl_str2ether_proto(arg)) < 0)
nl_cli_fatal(proto, "Unknown protocol \"%s\".", arg);
rtnl_cls_set_protocol(cls, proto);
}
static NL_LIST_HEAD(cls_modules);
struct nl_cli_cls_module *__nl_cli_cls_lookup(struct rtnl_cls_ops *ops)
{
struct nl_cli_cls_module *cm;
nl_list_for_each_entry(cm, &cls_modules, cm_list)
if (cm->cm_ops == ops)
return cm;
return NULL;
}
struct nl_cli_cls_module *nl_cli_cls_lookup(struct rtnl_cls_ops *ops)
{
struct nl_cli_cls_module *cm;
if ((cm = __nl_cli_cls_lookup(ops)))
return cm;
nl_cli_load_module("cli/cls", ops->co_kind);
if (!(cm = __nl_cli_cls_lookup(ops))) {
nl_cli_fatal(EINVAL, "Application bug: The shared library for "
"the classifier \"%s\" was successfully loaded but it "
"seems that module did not register itself");
}
return cm;
}
void nl_cli_cls_register(struct nl_cli_cls_module *cm)
{
struct rtnl_cls_ops *ops;
if (!(ops = __rtnl_cls_lookup_ops(cm->cm_name))) {
nl_cli_fatal(ENOENT, "Unable to register CLI classifier module "
"\"%s\": No matching libnl cls module found.", cm->cm_name);
}
if (__nl_cli_cls_lookup(ops)) {
nl_cli_fatal(EEXIST, "Unable to register CLI classifier module "
"\"%s\": Module already registered.", cm->cm_name);
}
cm->cm_ops = ops;
nl_list_add_tail(&cm->cm_list, &cls_modules);
}
void nl_cli_cls_unregister(struct nl_cli_cls_module *cm)
{
nl_list_del(&cm->cm_list);
}
/** @} */

130
src/nl-cls-add.c
View file

@ -5,29 +5,43 @@
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation version 2 of the License.
*
* Copyright (c) 2003-2009 Thomas Graf <tgraf@suug.ch>
* Copyright (c) 2003-2010 Thomas Graf <tgraf@suug.ch>
*/
#include "cls/utils.h"
#include <netlink/cli/utils.h>
#include <netlink/cli/tc.h>
#include <netlink/cli/cls.h>
#include <netlink/cli/link.h>
static int quiet = 0;
static void print_usage(void)
{
printf(
"Usage: nl-cls-add [OPTION]... [CLASSIFIER] TYPE [TYPE OPTIONS]...\n"
"Usage: nl-cls-add [OPTIONS]... classifier [CONFIGURATION]...\n"
"\n"
"Options\n"
"OPTIONS\n"
" -q, --quiet Do not print informal notifications.\n"
" -h, --help Show this help.\n"
" -h, --help Show this help text.\n"
" -v, --version Show versioning information.\n"
" --update Update classifier if it exists.\n"
" --update-only Only update classifier, never create it.\n"
" -d, --dev=DEV Network device the classifier should be attached to.\n"
" -i, --id=ID ID of new classifier (default: auto-generated)\n"
" -p, --parent=ID ID of parent { root | ingress | class-ID }\n"
" --protocol=PROTO Protocol to match (default: all)\n"
" --prio=PRIO Priority (default: 0)\n"
" --mtu=SIZE Overwrite MTU (default: MTU of network device)\n"
" --mpu=SIZE Minimum packet size on the link (default: 0).\n"
" --overhead=SIZE Overhead in bytes per packet (default: 0).\n"
" --linktype=TYPE Overwrite linktype (default: type of network device)\n"
"\n"
"CONFIGURATION\n"
" -h, --help Show help text of classifier specific options.\n"
"\n"
"EXAMPLE\n"
" $ nl-cls-add --dev=eth1 --parent=q_root basic --target c_www\n"
"\n"
"Classifier Options\n"
" -d, --dev=DEV Device the classifier should be assigned to.\n"
" -p, --parent=HANDLE Parent QDisc\n"
" --proto=PROTO Protocol (default=IPv4)\n"
" --prio=NUM Priority (0..256)\n"
" --id=HANDLE Unique identifier\n"
);
exit(0);
}
@ -36,27 +50,36 @@ int main(int argc, char *argv[])
{
struct nl_sock *sock;
struct rtnl_cls *cls;
struct rtnl_tc *tc;
struct nl_cache *link_cache;
struct rtnl_cls_ops *ops;
struct cls_module *mod;
struct nl_dump_params dp = {
.dp_type = NL_DUMP_DETAILS,
.dp_fd = stdout,
};
struct nl_cli_cls_module *cm;
struct rtnl_cls_ops *ops;
int err, flags = NLM_F_CREATE | NLM_F_EXCL;
char *kind;
int err, nlflags = NLM_F_CREATE;
sock = nlt_alloc_socket();
nlt_connect(sock, NETLINK_ROUTE);
link_cache = nlt_alloc_link_cache(sock);
cls = nlt_alloc_cls();
sock = nl_cli_alloc_socket();
nl_cli_connect(sock, NETLINK_ROUTE);
link_cache = nl_cli_link_alloc_cache(sock);
cls = nl_cli_cls_alloc();
tc = (struct rtnl_tc *) cls;
for (;;) {
int c, optidx = 0;
enum {
ARG_PROTO = 257,
ARG_PRIO = 258,
ARG_ID,
ARG_UPDATE = 257,
ARG_UPDATE_ONLY = 258,
ARG_MTU,
ARG_MPU,
ARG_OVERHEAD,
ARG_LINKTYPE,
ARG_PROTO,
ARG_PRIO,
};
static struct option long_opts[] = {
{ "quiet", 0, 0, 'q' },
@ -64,54 +87,71 @@ int main(int argc, char *argv[])
{ "version", 0, 0, 'v' },
{ "dev", 1, 0, 'd' },
{ "parent", 1, 0, 'p' },
{ "id", 1, 0, 'i' },
{ "proto", 1, 0, ARG_PROTO },
{ "prio", 1, 0, ARG_PRIO },
{ "id", 1, 0, ARG_ID },
{ "update", 0, 0, ARG_UPDATE },
{ "update-only", 0, 0, ARG_UPDATE_ONLY },
{ "mtu", 1, 0, ARG_MTU },
{ "mpu", 1, 0, ARG_MPU },
{ "overhead", 1, 0, ARG_OVERHEAD },
{ "linktype", 1, 0, ARG_LINKTYPE },
{ 0, 0, 0, 0 }
};
c = getopt_long(argc, argv, "+qhva:d:", long_opts, &optidx);
c = getopt_long(argc, argv, "+qhvd:p:i:",
long_opts, &optidx);
if (c == -1)
break;
switch (c) {
case '?': exit(NLE_INVAL);
case 'q': quiet = 1; break;
case 'h': print_usage(); break;
case 'v': nlt_print_version(); break;
case 'd': parse_dev(cls, link_cache, optarg); break;
case 'p': parse_parent(cls, optarg); break;
case ARG_PRIO: parse_prio(cls, optarg); break;
case ARG_ID: parse_handle(cls, optarg); break;
case ARG_PROTO: parse_proto(cls, optarg); break;
case 'v': nl_cli_print_version(); break;
case 'd': nl_cli_tc_parse_dev(tc, link_cache, optarg); break;
case 'p': nl_cli_tc_parse_parent(tc, optarg); break;
case 'i': nl_cli_tc_parse_handle(tc, optarg); break;
case ARG_UPDATE: flags = NLM_F_CREATE; break;
case ARG_UPDATE_ONLY: flags = 0; break;
case ARG_MTU: nl_cli_tc_parse_mtu(tc, optarg); break;
case ARG_MPU: nl_cli_tc_parse_mpu(tc, optarg); break;
case ARG_OVERHEAD: nl_cli_tc_parse_overhead(tc, optarg); break;
case ARG_LINKTYPE: nl_cli_tc_parse_linktype(tc, optarg); break;
case ARG_PROTO: nl_cli_cls_parse_proto(cls, optarg); break;
case ARG_PRIO:
rtnl_cls_set_prio(cls, nl_cli_parse_u32(optarg));
break;
}
}
if (optind >= argc) {
if (optind >= argc)
print_usage();
fatal(EINVAL, "Missing classifier type");
}
if (!rtnl_tc_get_ifindex(tc))
nl_cli_fatal(EINVAL, "You must specify a network device (--dev=XXX)");
if (!rtnl_tc_get_parent(tc))
nl_cli_fatal(EINVAL, "You must specify a parent (--parent=XXX)");
kind = argv[optind++];
if ((err = rtnl_cls_set_kind(cls, kind)) < 0)
fatal(ENOENT, "Unknown classifier type \"%s\".", kind);
ops = rtnl_cls_get_ops(cls);
if (!(mod = lookup_cls_mod(ops)))
fatal(ENOTSUP, "Classifier type \"%s\" not supported.", kind);
rtnl_cls_set_kind(cls, kind);
mod->parse_argv(cls, argc, argv);
if (!(ops = rtnl_cls_lookup_ops(cls)))
nl_cli_fatal(ENOENT, "Unknown classifier \"%s\".", kind);
printf("Adding ");
nl_object_dump(OBJ_CAST(cls), &dp);
if (!(cm = nl_cli_cls_lookup(ops)))
nl_cli_fatal(ENOTSUP, "Classifier type \"%s\" not supported.", kind);
if ((err = rtnl_cls_add(sock, cls, nlflags)) < 0)
fatal(err, "Unable to add classifier: %s", nl_geterror(err));
if ((err = cm->cm_parse_argv(cls, argc, argv)) < 0)
nl_cli_fatal(err, "Unable to parse classifier options");
if (!quiet) {
printf("Added ");
printf("Adding ");
nl_object_dump(OBJ_CAST(cls), &dp);
}
if ((err = rtnl_cls_add(sock, cls, flags)) < 0)
nl_cli_fatal(EINVAL, "Unable to add classifier: %s", nl_geterror(err));
return 0;
}

144
src/nl-cls-delete.c
View file

@ -6,52 +6,59 @@
* License as published by the Free Software Foundation version 2.1
* of the License.
*
* Copyright (c) 2008 Thomas Graf <tgraf@suug.ch>
* Copyright (c) 2008-2010 Thomas Graf <tgraf@suug.ch>
*/
#include "cls/utils.h"
#include <netlink/cli/utils.h>
#include <netlink/cli/cls.h>
#include <netlink/cli/link.h>
static int interactive = 0, default_yes = 0, quiet = 0;
static int deleted = 0;
static struct nl_sock *sock;
static int quiet = 0, default_yes = 0, deleted = 0, interactive = 0;
struct nl_sock *sock;
static void print_usage(void)
{
printf(
"Usage: nl-cls-list [OPTION]... [CLASSIFIER]\n"
"\n"
"Options\n"
" -i, --interactive Run interactively\n"
" --yes Set default answer to yes\n"
" -q, --quiet Do not print informal notifications\n"
" -h, --help Show this help\n"
" -v, --version Show versioning information\n"
"\n"
"Classifier Options\n"
" -d, --dev=DEV Device the classifier should be assigned to.\n"
" -p, --parent=HANDLE Parent qdisc/class\n"
" --proto=PROTO Protocol\n"
" --prio=NUM Priority (0..256)\n"
" --id=HANDLE Unique identifier\n"
"Usage: nl-cls-delete [OPTION]... [class]\n"
"\n"
"OPTIONS\n"
" --interactive Run interactively.\n"
" --yes Set default answer to yes.\n"
" -q, --quiet Do not print informal notifications.\n"
" -h, --help Show this help text and exit.\n"
" -v, --version Show versioning information and exit.\n"
"\n"
" -d, --dev=DEV Device the classifer is attached to.\n"
" -p, --parent=ID Identifier of parent qdisc/class.\n"
" -i, --id=ID Identifier\n"
" -k, --kind=NAME Kind of classifier (e.g. basic, u32, fw)\n"
" --protocol=PROTO Protocol to match (default: all)\n"
" --prio=PRIO Priority (default: 0)\n"
"\n"
"EXAMPLE\n"
" # Delete all classifiers on eth0 attached to parent q_root:\n"
" $ nl-cls-delete --dev eth0 --parent q_root:\n"
"\n"
);
exit(0);
}
static void delete_cb(struct nl_object *obj, void *arg)
{
struct rtnl_cls *cls = (struct rtnl_cls *) obj;
struct rtnl_cls *cls = nl_object_priv(obj);
struct nl_dump_params params = {
.dp_type = NL_DUMP_LINE,
.dp_fd = stdout,
};
int err;
if (interactive && !nlt_confirm(obj, &params, default_yes))
if (interactive && !nl_cli_confirm(obj, &params, default_yes))
return;
if ((err = rtnl_cls_delete(sock, cls, 0)) < 0)
fatal(err, "Unable to delete classifier: %s",
nl_geterror(err));
nl_cli_fatal(err, "Unable to delete classifier: %s\n",
nl_geterror(err));
if (!quiet) {
printf("Deleted ");
@ -61,73 +68,88 @@ static void delete_cb(struct nl_object *obj, void *arg)
deleted++;
}
static void __delete_link(int ifindex, struct rtnl_cls *filter)
{
struct nl_cache *cache;
uint32_t parent = rtnl_tc_get_parent((struct rtnl_tc *) filter);
cache = nl_cli_cls_alloc_cache(sock, ifindex, parent);
nl_cache_foreach_filter(cache, OBJ_CAST(filter), delete_cb, NULL);
nl_cache_free(cache);
}
static void delete_link(struct nl_object *obj, void *arg)
{
struct rtnl_link *link = nl_object_priv(obj);
__delete_link(rtnl_link_get_ifindex(link), arg);
}
int main(int argc, char *argv[])
{
struct nl_cache *link_cache, *cls_cache;
struct rtnl_cls *cls;
int nf = 0, err;
sock = nlt_alloc_socket();
nlt_connect(sock, NETLINK_ROUTE);
link_cache = nlt_alloc_link_cache(sock);
cls = nlt_alloc_cls();
struct rtnl_tc *tc;
struct nl_cache *link_cache;
int ifindex;
sock = nl_cli_alloc_socket();
nl_cli_connect(sock, NETLINK_ROUTE);
link_cache = nl_cli_link_alloc_cache(sock);
cls = nl_cli_cls_alloc();
tc = (struct rtnl_tc *) cls;
for (;;) {
int c, optidx = 0;
enum {
ARG_PRIO = 257,
ARG_PROTO = 258,
ARG_ID,
ARG_YES,
ARG_YES = 257,
ARG_INTERACTIVE = 258,
ARG_PROTO,
ARG_PRIO,
};
static struct option long_opts[] = {
{ "interactive", 0, 0, 'i' },
{ "interactive", 0, 0, ARG_INTERACTIVE },
{ "yes", 0, 0, ARG_YES },
{ "quiet", 0, 0, 'q' },
{ "help", 0, 0, 'h' },
{ "version", 0, 0, 'v' },
{ "dev", 1, 0, 'd' },
{ "parent", 1, 0, 'p' },
{ "id", 1, 0, 'i' },
{ "kind", 1, 0, 'k' },
{ "proto", 1, 0, ARG_PROTO },
{ "prio", 1, 0, ARG_PRIO },
{ "id", 1, 0, ARG_ID },
{ 0, 0, 0, 0 }
};
c = getopt_long(argc, argv, "iqhvd:p:", long_opts, &optidx);
c = getopt_long(argc, argv, "qhvd:p:i:k:", long_opts, &optidx);
if (c == -1)
break;
switch (c) {
case 'i': interactive = 1; break;
case '?': nl_cli_fatal(EINVAL, "Invalid options");
case ARG_INTERACTIVE: interactive = 1; break;
case ARG_YES: default_yes = 1; break;
case 'q': quiet = 1; break;
case 'h': print_usage(); break;
case 'v': nlt_print_version(); break;
case 'd': nf++; parse_dev(cls, link_cache, optarg); break;
case 'p': nf++; parse_parent(cls, optarg); break;
case ARG_PRIO: nf++; parse_prio(cls, optarg); break;
case ARG_ID: nf++; parse_handle(cls, optarg); break;
case ARG_PROTO: nf++; parse_proto(cls, optarg); break;
case 'v': nl_cli_print_version(); break;
case 'd': nl_cli_tc_parse_dev(tc, link_cache, optarg); break;
case 'p': nl_cli_tc_parse_parent(tc, optarg); break;
case 'i': nl_cli_tc_parse_handle(tc, optarg); break;
case 'k': nl_cli_cls_parse_kind(cls, optarg); break;
case ARG_PROTO: nl_cli_cls_parse_proto(cls, optarg); break;
case ARG_PRIO:
rtnl_cls_set_prio(cls, nl_cli_parse_u32(optarg));
break;
}
}
}
if (nf == 0 && !interactive && !default_yes) {
fprintf(stderr, "You attempted to delete all classifiers in "
"non-interactive mode, aborting.\n");
exit(0);
}
err = rtnl_cls_alloc_cache(sock, rtnl_cls_get_ifindex(cls),
rtnl_cls_get_parent(cls), &cls_cache);
if (err < 0)
fatal(err, "Unable to allocate classifier cache: %s",
nl_geterror(err));
nl_cache_foreach_filter(cls_cache, OBJ_CAST(cls), delete_cb, NULL);
if ((ifindex = rtnl_tc_get_ifindex(tc)))
__delete_link(ifindex, cls);
else
nl_cache_foreach(link_cache, delete_link, cls);
if (!quiet)
printf("Deleted %d classifiers\n", deleted);
printf("Deleted %d classs\n", deleted);
return 0;
}

128
src/nl-cls-list.c
View file

@ -6,108 +6,124 @@
* License as published by the Free Software Foundation version 2.1
* of the License.
*
* Copyright (c) 2008 Thomas Graf <tgraf@suug.ch>
* Copyright (c) 2008-2010 Thomas Graf <tgraf@suug.ch>
*/
#include "cls/utils.h"
#include <netlink/cli/utils.h>
#include <netlink/cli/tc.h>
#include <netlink/cli/cls.h>
#include <netlink/cli/link.h>
static struct nl_sock *sock;
static struct rtnl_cls *cls;
static struct nl_dump_params params = {
struct nl_sock *sock;
struct nl_dump_params params = {
.dp_type = NL_DUMP_LINE,
};
static void print_usage(void)
{
printf(
"Usage: nl-cls-list [OPTION]... [CLASSIFIER]\n"
"\n"
"Options\n"
" -f, --format=TYPE Output format { brief | details | stats }\n"
" -h, --help Show this help text.\n"
" -v, --version Show versioning information.\n"
"\n"
"Classifier Options\n"
" -d, --dev=DEV Device the classifier should be assigned to.\n"
" -p, --parent=HANDLE Parent qdisc/class\n"
" --proto=PROTO Protocol\n"
" --prio=NUM Priority\n"
" --id=NUM Identifier\n"
"Usage: nl-cls-list [OPTION]...\n"
"\n"
"OPTIONS\n"
" --details Show details\n"
" --stats Show statistics\n"
" -h, --help Show this help\n"
" -v, --version Show versioning information\n"
"\n"
" -d, --dev=DEV Device the classifier is attached to. (default: all)\n"
" -p, --parent=ID Identifier of parent class.\n"
" -i, --id=ID Identifier.\n"
" -k, --kind=NAME Kind of classifier (e.g. basic, u32, fw)\n"
" --protocol=PROTO Protocol to match (default: all)\n"
" --prio=PRIO Priority (default: 0)\n"
"\n"
"EXAMPLE\n"
" # Display statistics of all classes on eth0\n"
" $ nl-cls-list --stats --dev=eth0\n"
"\n"
);
exit(0);
}
static void print_cls(struct nl_object *obj, void *arg)
static void __dump_link(int ifindex, struct rtnl_cls *filter)
{
struct nl_cache *cls_cache;
int err, ifindex;
struct nl_cache *cache;
uint32_t parent = rtnl_tc_get_parent((struct rtnl_tc *) filter);
if (obj)
ifindex = rtnl_link_get_ifindex((struct rtnl_link *) obj);
else
ifindex = rtnl_cls_get_ifindex(cls);
cache = nl_cli_cls_alloc_cache(sock, ifindex, parent);
nl_cache_dump_filter(cache, &params, OBJ_CAST(filter));
nl_cache_free(cache);
}
err = rtnl_cls_alloc_cache(sock, ifindex, rtnl_cls_get_parent(cls),
&cls_cache);
if (err < 0)
fatal(err, "Unable to allocate classifier cache: %s",
nl_geterror(err));
static void dump_link(struct nl_object *obj, void *arg)
{
struct rtnl_link *link = nl_object_priv(obj);
nl_cache_dump_filter(cls_cache, &params, OBJ_CAST(cls));
nl_cache_free(cls_cache);
__dump_link(rtnl_link_get_ifindex(link), arg);
}
int main(int argc, char *argv[])
{
struct rtnl_cls *cls;
struct rtnl_tc *tc;
struct nl_cache *link_cache;
int dev = 0;
int ifindex;
sock = nl_cli_alloc_socket();
nl_cli_connect(sock, NETLINK_ROUTE);
link_cache = nl_cli_link_alloc_cache(sock);
cls = nl_cli_cls_alloc();
tc = (struct rtnl_tc *) cls;
params.dp_fd = stdout;
sock = nlt_alloc_socket();
nlt_connect(sock, NETLINK_ROUTE);
link_cache = nlt_alloc_link_cache(sock);
cls = nlt_alloc_cls();
for (;;) {
int c, optidx = 0;
enum {
ARG_PROTO = 257,
ARG_PRIO = 258,
ARG_ID,
ARG_DETAILS = 257,
ARG_STATS = 258,
ARG_PROTO,
ARG_PRIO,
};
static struct option long_opts[] = {
{ "format", 1, 0, 'f' },
{ "details", 0, 0, ARG_DETAILS },
{ "stats", 0, 0, ARG_STATS },
{ "help", 0, 0, 'h' },
{ "version", 0, 0, 'v' },
{ "dev", 1, 0, 'd' },
{ "parent", 1, 0, 'p' },
{ "id", 1, 0, 'i' },
{ "kind", 1, 0, 'k' },
{ "proto", 1, 0, ARG_PROTO },
{ "prio", 1, 0, ARG_PRIO },
{ "id", 1, 0, ARG_ID },
{ 0, 0, 0, 0 }
};
c = getopt_long(argc, argv, "+f:qhva:d:", long_opts, &optidx);
c = getopt_long(argc, argv, "hvd:p:i:k:", long_opts, &optidx);
if (c == -1)
break;
switch (c) {
case '?': exit(NLE_INVAL);
case 'f': params.dp_type = nlt_parse_dumptype(optarg); break;
case ARG_DETAILS: params.dp_type = NL_DUMP_DETAILS; break;
case ARG_STATS: params.dp_type = NL_DUMP_STATS; break;
case 'h': print_usage(); break;
case 'v': nlt_print_version(); break;
case 'd': dev = 1; parse_dev(cls, link_cache, optarg); break;
case 'p': parse_parent(cls, optarg); break;
case ARG_PRIO: parse_prio(cls, optarg); break;
case ARG_ID: parse_handle(cls, optarg); break;
case ARG_PROTO: parse_proto(cls, optarg); break;
case 'v': nl_cli_print_version(); break;
case 'd': nl_cli_tc_parse_dev(tc, link_cache, optarg); break;
case 'p': nl_cli_tc_parse_parent(tc, optarg); break;
case 'i': nl_cli_tc_parse_handle(tc, optarg); break;
case 'k': nl_cli_cls_parse_kind(cls, optarg); break;
case ARG_PROTO: nl_cli_cls_parse_proto(cls, optarg); break;
case ARG_PRIO:
rtnl_cls_set_prio(cls, nl_cli_parse_u32(optarg));
break;
}
}
if (!dev)
nl_cache_foreach(link_cache, print_cls, NULL);
else
print_cls(NULL, NULL);
if ((ifindex = rtnl_tc_get_ifindex(tc)))
__dump_link(ifindex, cls);
else
nl_cache_foreach(link_cache, dump_link, cls);
return 0;
}