iCE40/ghdl - clone of https://github.com/ghdl/ghdl

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author	Patrick Lehmann <Patrick.Lehmann@plc2.de>	2023-04-16 19:43:35 +0200
committer	Patrick Lehmann <Patrick.Lehmann@plc2.de>	2023-04-16 19:43:35 +0200
commit	61bb37c757e5167b617823d6b100edf54de154d6 (patch)
tree	38147759dab3417b0bc29e3e9b6bfca5becebcbe /doc
parent	a211cdcf7d5eb5f058d2e38c93092f4548283451 (diff)
download	ghdl-61bb37c757e5167b617823d6b100edf54de154d6.tar.gz ghdl-61bb37c757e5167b617823d6b100edf54de154d6.tar.bz2 ghdl-61bb37c757e5167b617823d6b100edf54de154d6.zip

Fixed last testcase.

Diffstat (limited to 'doc')

0 files changed, 0 insertions, 0 deletions

--- /dev/null +++ b/net/sched/act_connmark.c @@ -0,0 +1,126 @@ +/* + * Copyright (c) 2011 Felix Fietkau <nbd@nbd.name> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU General Public License, + * version 2, as published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License along with + * this program; if not, write to the Free Software Foundation, Inc., 59 Temple + * Place - Suite 330, Boston, MA 02111-1307 USA. + */ + +#include <linux/module.h> +#include <linux/init.h> +#include <linux/kernel.h> +#include <linux/skbuff.h> +#include <linux/rtnetlink.h> +#include <linux/pkt_cls.h> +#include <linux/ip.h> +#include <linux/ipv6.h> +#include <net/netlink.h> +#include <net/pkt_sched.h> +#include <net/act_api.h> + +#include <net/netfilter/nf_conntrack.h> +#include <net/netfilter/nf_conntrack_core.h> + +#define TCA_ACT_CONNMARK 20 + +#define CONNMARK_TAB_MASK 3 + +static int tcf_connmark(struct sk_buff *skb, const struct tc_action *a, + struct tcf_result *res) +{ + struct nf_conn *c; + enum ip_conntrack_info ctinfo; + int proto; + int r; + + if (skb->protocol == htons(ETH_P_IP)) { + if (skb->len < sizeof(struct iphdr)) + goto out; + proto = PF_INET; + } else if (skb->protocol == htons(ETH_P_IPV6)) { + if (skb->len < sizeof(struct ipv6hdr)) + goto out; + proto = PF_INET6; + } else + goto out; + + r = nf_conntrack_in(dev_net(skb->dev), proto, NF_INET_PRE_ROUTING, skb); + if (r != NF_ACCEPT) + goto out; + + c = nf_ct_get(skb, &ctinfo); + if (!c) + goto out; + + skb->mark = c->mark; + nf_conntrack_put(skb->nfct); + skb->nfct = NULL; + +out: + return TC_ACT_PIPE; +} + +static int tcf_connmark_init(struct net *net, struct nlattr *nla, + struct nlattr *est, struct tc_action *a, + int ovr, int bind) +{ + int ret = 0; + + if (!tcf_hash_check(0, a, bind)) { + ret = tcf_hash_create(0, est, a, sizeof(struct tcf_common), bind); + if (ret) + return ret; + + tcf_hash_insert(a); + ret = ACT_P_CREATED; + } else { + if (!ovr) { + tcf_hash_release(a, bind); + return -EEXIST; + } + } + + return ret; +} + +static inline int tcf_connmark_dump(struct sk_buff *skb, struct tc_action *a, + int bind, int ref) +{ + return skb->len; +} + +static struct tc_action_ops act_connmark_ops = { + .kind = "connmark", + .type = TCA_ACT_CONNMARK, + .owner = THIS_MODULE, + .act = tcf_connmark, + .dump = tcf_connmark_dump, + .init = tcf_connmark_init, +}; + +MODULE_AUTHOR("Felix Fietkau <nbd@nbd.name>"); +MODULE_DESCRIPTION("Connection tracking mark restoring"); +MODULE_LICENSE("GPL"); + +static int __init connmark_init_module(void) +{ + + return tcf_register_action(&act_connmark_ops, CONNMARK_TAB_MASK); +} + +static void __exit connmark_cleanup_module(void) +{ + tcf_unregister_action(&act_connmark_ops); +} + +module_init(connmark_init_module); +module_exit(connmark_cleanup_module); --- a/net/sched/Kconfig +++ b/net/sched/Kconfig @@ -686,6 +686,19 @@ config NET_ACT_CSUM To compile this code as a module, choose M here: the module will be called act_csum. +config NET_ACT_CONNMARK + tristate "Connection Tracking Marking" + depends on NET_CLS_ACT + depends on NF_CONNTRACK + depends on NF_CONNTRACK_MARK + ---help--- + Say Y here to restore the connmark from a scheduler action + + If unsure, say N. + + To compile this code as a module, choose M here: the + module will be called act_connmark. + config NET_CLS_IND bool "Incoming device classification" depends on NET_CLS_U32 || NET_CLS_FW --- a/net/sched/Makefile +++ b/net/sched/Makefile @@ -16,6 +16,7 @@ obj-$(CONFIG_NET_ACT_PEDIT) += act_pedit obj-$(CONFIG_NET_ACT_SIMP) += act_simple.o obj-$(CONFIG_NET_ACT_SKBEDIT) += act_skbedit.o obj-$(CONFIG_NET_ACT_CSUM) += act_csum.o +obj-$(CONFIG_NET_ACT_CONNMARK) += act_connmark.o obj-$(CONFIG_NET_SCH_FIFO) += sch_fifo.o obj-$(CONFIG_NET_SCH_CBQ) += sch_cbq.o obj-$(CONFIG_NET_SCH_HTB) += sch_htb.o


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