mirror of
https://github.com/torvalds/linux.git
synced 2024-12-19 01:23:20 +00:00
b7779d06f9
One spinlock per cpu to protect dying/unconfirmed/template special lists. (These lists are now per cpu, a bit like the untracked ct) Add a @cpu field to nf_conn, to make sure we hold the appropriate spinlock at removal time. Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: Jesper Dangaard Brouer <brouer@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net> Reviewed-by: Florian Westphal <fw@strlen.de> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
111 lines
2.6 KiB
C
111 lines
2.6 KiB
C
#ifndef __NETNS_CONNTRACK_H
|
|
#define __NETNS_CONNTRACK_H
|
|
|
|
#include <linux/list.h>
|
|
#include <linux/list_nulls.h>
|
|
#include <linux/atomic.h>
|
|
#include <linux/netfilter/nf_conntrack_tcp.h>
|
|
|
|
struct ctl_table_header;
|
|
struct nf_conntrack_ecache;
|
|
|
|
struct nf_proto_net {
|
|
#ifdef CONFIG_SYSCTL
|
|
struct ctl_table_header *ctl_table_header;
|
|
struct ctl_table *ctl_table;
|
|
#ifdef CONFIG_NF_CONNTRACK_PROC_COMPAT
|
|
struct ctl_table_header *ctl_compat_header;
|
|
struct ctl_table *ctl_compat_table;
|
|
#endif
|
|
#endif
|
|
unsigned int users;
|
|
};
|
|
|
|
struct nf_generic_net {
|
|
struct nf_proto_net pn;
|
|
unsigned int timeout;
|
|
};
|
|
|
|
struct nf_tcp_net {
|
|
struct nf_proto_net pn;
|
|
unsigned int timeouts[TCP_CONNTRACK_TIMEOUT_MAX];
|
|
unsigned int tcp_loose;
|
|
unsigned int tcp_be_liberal;
|
|
unsigned int tcp_max_retrans;
|
|
};
|
|
|
|
enum udp_conntrack {
|
|
UDP_CT_UNREPLIED,
|
|
UDP_CT_REPLIED,
|
|
UDP_CT_MAX
|
|
};
|
|
|
|
struct nf_udp_net {
|
|
struct nf_proto_net pn;
|
|
unsigned int timeouts[UDP_CT_MAX];
|
|
};
|
|
|
|
struct nf_icmp_net {
|
|
struct nf_proto_net pn;
|
|
unsigned int timeout;
|
|
};
|
|
|
|
struct nf_ip_net {
|
|
struct nf_generic_net generic;
|
|
struct nf_tcp_net tcp;
|
|
struct nf_udp_net udp;
|
|
struct nf_icmp_net icmp;
|
|
struct nf_icmp_net icmpv6;
|
|
#if defined(CONFIG_SYSCTL) && defined(CONFIG_NF_CONNTRACK_PROC_COMPAT)
|
|
struct ctl_table_header *ctl_table_header;
|
|
struct ctl_table *ctl_table;
|
|
#endif
|
|
};
|
|
|
|
struct ct_pcpu {
|
|
spinlock_t lock;
|
|
struct hlist_nulls_head unconfirmed;
|
|
struct hlist_nulls_head dying;
|
|
struct hlist_nulls_head tmpl;
|
|
};
|
|
|
|
struct netns_ct {
|
|
atomic_t count;
|
|
unsigned int expect_count;
|
|
#ifdef CONFIG_SYSCTL
|
|
struct ctl_table_header *sysctl_header;
|
|
struct ctl_table_header *acct_sysctl_header;
|
|
struct ctl_table_header *tstamp_sysctl_header;
|
|
struct ctl_table_header *event_sysctl_header;
|
|
struct ctl_table_header *helper_sysctl_header;
|
|
#endif
|
|
char *slabname;
|
|
unsigned int sysctl_log_invalid; /* Log invalid packets */
|
|
unsigned int sysctl_events_retry_timeout;
|
|
int sysctl_events;
|
|
int sysctl_acct;
|
|
int sysctl_auto_assign_helper;
|
|
bool auto_assign_helper_warned;
|
|
int sysctl_tstamp;
|
|
int sysctl_checksum;
|
|
|
|
unsigned int htable_size;
|
|
struct kmem_cache *nf_conntrack_cachep;
|
|
struct hlist_nulls_head *hash;
|
|
struct hlist_head *expect_hash;
|
|
struct ct_pcpu __percpu *pcpu_lists;
|
|
struct ip_conntrack_stat __percpu *stat;
|
|
struct nf_ct_event_notifier __rcu *nf_conntrack_event_cb;
|
|
struct nf_exp_event_notifier __rcu *nf_expect_event_cb;
|
|
struct nf_ip_net nf_ct_proto;
|
|
#if defined(CONFIG_NF_CONNTRACK_LABELS)
|
|
unsigned int labels_used;
|
|
u8 label_words;
|
|
#endif
|
|
#ifdef CONFIG_NF_NAT_NEEDED
|
|
struct hlist_head *nat_bysource;
|
|
unsigned int nat_htable_size;
|
|
#endif
|
|
};
|
|
#endif
|