mirror of
https://github.com/torvalds/linux
synced 2024-07-22 19:21:07 +00:00
643d126036
The spinlock is back from the day when connabels did not have a fixed size and reallocation had to be supported. Remove it. This change also allows to call the helpers from softirq or timers without deadlocks. Also add WARN()s to catch refcounting imbalances. Signed-off-by: Florian Westphal <fw@strlen.de> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
114 lines
2.2 KiB
C
114 lines
2.2 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef __NETNS_CONNTRACK_H
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#define __NETNS_CONNTRACK_H
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#include <linux/list.h>
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#include <linux/list_nulls.h>
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#include <linux/atomic.h>
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#include <linux/workqueue.h>
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#include <linux/netfilter/nf_conntrack_tcp.h>
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#ifdef CONFIG_NF_CT_PROTO_DCCP
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#include <linux/netfilter/nf_conntrack_dccp.h>
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#endif
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#ifdef CONFIG_NF_CT_PROTO_SCTP
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#include <linux/netfilter/nf_conntrack_sctp.h>
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#endif
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#include <linux/seqlock.h>
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struct ctl_table_header;
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struct nf_conntrack_ecache;
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struct nf_generic_net {
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unsigned int timeout;
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};
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struct nf_tcp_net {
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unsigned int timeouts[TCP_CONNTRACK_TIMEOUT_MAX];
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u8 tcp_loose;
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u8 tcp_be_liberal;
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u8 tcp_max_retrans;
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u8 tcp_ignore_invalid_rst;
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#if IS_ENABLED(CONFIG_NF_FLOW_TABLE)
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unsigned int offload_timeout;
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#endif
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};
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enum udp_conntrack {
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UDP_CT_UNREPLIED,
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UDP_CT_REPLIED,
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UDP_CT_MAX
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};
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struct nf_udp_net {
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unsigned int timeouts[UDP_CT_MAX];
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#if IS_ENABLED(CONFIG_NF_FLOW_TABLE)
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unsigned int offload_timeout;
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#endif
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};
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struct nf_icmp_net {
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unsigned int timeout;
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};
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#ifdef CONFIG_NF_CT_PROTO_DCCP
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struct nf_dccp_net {
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u8 dccp_loose;
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unsigned int dccp_timeout[CT_DCCP_MAX + 1];
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};
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#endif
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#ifdef CONFIG_NF_CT_PROTO_SCTP
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struct nf_sctp_net {
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unsigned int timeouts[SCTP_CONNTRACK_MAX];
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};
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#endif
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#ifdef CONFIG_NF_CT_PROTO_GRE
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enum gre_conntrack {
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GRE_CT_UNREPLIED,
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GRE_CT_REPLIED,
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GRE_CT_MAX
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};
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struct nf_gre_net {
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struct list_head keymap_list;
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unsigned int timeouts[GRE_CT_MAX];
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};
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#endif
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struct nf_ip_net {
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struct nf_generic_net generic;
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struct nf_tcp_net tcp;
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struct nf_udp_net udp;
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struct nf_icmp_net icmp;
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struct nf_icmp_net icmpv6;
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#ifdef CONFIG_NF_CT_PROTO_DCCP
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struct nf_dccp_net dccp;
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#endif
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#ifdef CONFIG_NF_CT_PROTO_SCTP
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struct nf_sctp_net sctp;
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#endif
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#ifdef CONFIG_NF_CT_PROTO_GRE
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struct nf_gre_net gre;
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#endif
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};
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struct netns_ct {
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#ifdef CONFIG_NF_CONNTRACK_EVENTS
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bool ecache_dwork_pending;
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#endif
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u8 sysctl_log_invalid; /* Log invalid packets */
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u8 sysctl_events;
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u8 sysctl_acct;
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u8 sysctl_tstamp;
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u8 sysctl_checksum;
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struct ip_conntrack_stat __percpu *stat;
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struct nf_ct_event_notifier __rcu *nf_conntrack_event_cb;
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struct nf_ip_net nf_ct_proto;
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#if defined(CONFIG_NF_CONNTRACK_LABELS)
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atomic_t labels_used;
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#endif
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};
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#endif
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