[GitHub/mt8127/android_kernel_alcatel_ttab.git] / include / net / netns / ip_vs.h

/*
 *  IP Virtual Server
 *  Data structure for network namspace
 *
 */

#ifndef IP_VS_H_
#define IP_VS_H_

#include <linux/list.h>
#include <linux/mutex.h>
#include <linux/list_nulls.h>
#include <linux/ip_vs.h>
#include <asm/atomic.h>
#include <linux/in.h>

struct ip_vs_stats;
struct ip_vs_sync_buff;
struct ctl_table_header;

struct netns_ipvs {
	int			gen;		/* Generation */
	/*
	 *	Hash table: for real service lookups
	 */
	#define IP_VS_RTAB_BITS 4
	#define IP_VS_RTAB_SIZE (1 << IP_VS_RTAB_BITS)
	#define IP_VS_RTAB_MASK (IP_VS_RTAB_SIZE - 1)

	struct list_head	rs_table[IP_VS_RTAB_SIZE];
	/* ip_vs_app */
	struct list_head	app_list;
	struct mutex		app_mutex;
	struct lock_class_key	app_key;	/* mutex debuging */

	/* ip_vs_proto */
	#define IP_VS_PROTO_TAB_SIZE	32	/* must be power of 2 */
	struct ip_vs_proto_data *proto_data_table[IP_VS_PROTO_TAB_SIZE];
	/* ip_vs_proto_tcp */
#ifdef CONFIG_IP_VS_PROTO_TCP
	#define	TCP_APP_TAB_BITS	4
	#define	TCP_APP_TAB_SIZE	(1 << TCP_APP_TAB_BITS)
	#define	TCP_APP_TAB_MASK	(TCP_APP_TAB_SIZE - 1)
	struct list_head	tcp_apps[TCP_APP_TAB_SIZE];
	spinlock_t		tcp_app_lock;
#endif
	/* ip_vs_proto_udp */
#ifdef CONFIG_IP_VS_PROTO_UDP
	#define	UDP_APP_TAB_BITS	4
	#define	UDP_APP_TAB_SIZE	(1 << UDP_APP_TAB_BITS)
	#define	UDP_APP_TAB_MASK	(UDP_APP_TAB_SIZE - 1)
	struct list_head	udp_apps[UDP_APP_TAB_SIZE];
	spinlock_t		udp_app_lock;
#endif
	/* ip_vs_proto_sctp */
#ifdef CONFIG_IP_VS_PROTO_SCTP
	#define SCTP_APP_TAB_BITS	4
	#define SCTP_APP_TAB_SIZE	(1 << SCTP_APP_TAB_BITS)
	#define SCTP_APP_TAB_MASK	(SCTP_APP_TAB_SIZE - 1)
	/* Hash table for SCTP application incarnations	 */
	struct list_head	sctp_apps[SCTP_APP_TAB_SIZE];
	spinlock_t		sctp_app_lock;
#endif
	/* ip_vs_conn */
	atomic_t		conn_count;      /*  connection counter */

	/* ip_vs_ctl */
	struct ip_vs_stats		*tot_stats;  /* Statistics & est. */
	struct ip_vs_cpu_stats __percpu *cpustats;   /* Stats per cpu */
	seqcount_t			*ustats_seq; /* u64 read retry */

	int			num_services;    /* no of virtual services */
	/* 1/rate drop and drop-entry variables */
	int			drop_rate;
	int			drop_counter;
	atomic_t		dropentry;
	/* locks in ctl.c */
	spinlock_t		dropentry_lock;  /* drop entry handling */
	spinlock_t		droppacket_lock; /* drop packet handling */
	spinlock_t		securetcp_lock;  /* state and timeout tables */
	rwlock_t		rs_lock;         /* real services table */
	/* semaphore for IPVS sockopts. And, [gs]etsockopt may sleep. */
	struct lock_class_key	ctl_key;	/* ctl_mutex debuging */
	/* sys-ctl struct */
	struct ctl_table_header	*sysctl_hdr;
	struct ctl_table	*sysctl_tbl;
	/* sysctl variables */
	int			sysctl_amemthresh;
	int			sysctl_am_droprate;
	int			sysctl_drop_entry;
	int			sysctl_drop_packet;
	int			sysctl_secure_tcp;
#ifdef CONFIG_IP_VS_NFCT
	int			sysctl_conntrack;
#endif
	int			sysctl_snat_reroute;
	int			sysctl_sync_ver;
	int			sysctl_cache_bypass;
	int			sysctl_expire_nodest_conn;
	int			sysctl_expire_quiescent_template;
	int			sysctl_sync_threshold[2];
	int			sysctl_nat_icmp_send;

	/* ip_vs_lblc */
	int			sysctl_lblc_expiration;
	struct ctl_table_header	*lblc_ctl_header;
	struct ctl_table	*lblc_ctl_table;
	/* ip_vs_lblcr */
	int			sysctl_lblcr_expiration;
	struct ctl_table_header	*lblcr_ctl_header;
	struct ctl_table	*lblcr_ctl_table;
	/* ip_vs_est */
	struct list_head	est_list;	/* estimator list */
	spinlock_t		est_lock;
	struct timer_list	est_timer;	/* Estimation timer */
	/* ip_vs_sync */
	struct list_head	sync_queue;
	spinlock_t		sync_lock;
	struct ip_vs_sync_buff  *sync_buff;
	spinlock_t		sync_buff_lock;
	struct sockaddr_in	sync_mcast_addr;
	struct task_struct	*master_thread;
	struct task_struct	*backup_thread;
	int			send_mesg_maxlen;
	int			recv_mesg_maxlen;
	volatile int		sync_state;
	volatile int		master_syncid;
	volatile int		backup_syncid;
	/* multicast interface name */
	char			master_mcast_ifn[IP_VS_IFNAME_MAXLEN];
	char			backup_mcast_ifn[IP_VS_IFNAME_MAXLEN];
};

#endif /* IP_VS_H_ */
Commit	Line	Data
61b1ab45 HS	1	/*
	2	* IP Virtual Server
	3	* Data structure for network namspace
	4	*
	5	*/
	6
	7	#ifndef IP_VS_H_
	8	#define IP_VS_H_
	9
	10	#include <linux/list.h>
	11	#include <linux/mutex.h>
	12	#include <linux/list_nulls.h>
	13	#include <linux/ip_vs.h>
	14	#include <asm/atomic.h>
	15	#include <linux/in.h>
	16
	17	struct ip_vs_stats;
	18	struct ip_vs_sync_buff;
	19	struct ctl_table_header;
	20
	21	struct netns_ipvs {
	22	int gen; /* Generation */
fc723250 HS	23	/*
	24	* Hash table: for real service lookups
	25	*/
	26	#define IP_VS_RTAB_BITS 4
	27	#define IP_VS_RTAB_SIZE (1 << IP_VS_RTAB_BITS)
	28	#define IP_VS_RTAB_MASK (IP_VS_RTAB_SIZE - 1)
	29
	30	struct list_head rs_table[IP_VS_RTAB_SIZE];
ab8a5e84 HS	31	/* ip_vs_app */
	32	struct list_head app_list;
	33	struct mutex app_mutex;
	34	struct lock_class_key app_key; /* mutex debuging */
	35
252c6410 HS	36	/* ip_vs_proto */
	37	#define IP_VS_PROTO_TAB_SIZE 32 /* must be power of 2 */
	38	struct ip_vs_proto_data *proto_data_table[IP_VS_PROTO_TAB_SIZE];
4a85b96c HS	39	/* ip_vs_proto_tcp */
	40	#ifdef CONFIG_IP_VS_PROTO_TCP
	41	#define TCP_APP_TAB_BITS 4
	42	#define TCP_APP_TAB_SIZE (1 << TCP_APP_TAB_BITS)
	43	#define TCP_APP_TAB_MASK (TCP_APP_TAB_SIZE - 1)
	44	struct list_head tcp_apps[TCP_APP_TAB_SIZE];
	45	spinlock_t tcp_app_lock;
	46	#endif
78b16bde HS	47	/* ip_vs_proto_udp */
	48	#ifdef CONFIG_IP_VS_PROTO_UDP
	49	#define UDP_APP_TAB_BITS 4
	50	#define UDP_APP_TAB_SIZE (1 << UDP_APP_TAB_BITS)
	51	#define UDP_APP_TAB_MASK (UDP_APP_TAB_SIZE - 1)
	52	struct list_head udp_apps[UDP_APP_TAB_SIZE];
	53	spinlock_t udp_app_lock;
	54	#endif
9d934878 HS	55	/* ip_vs_proto_sctp */
	56	#ifdef CONFIG_IP_VS_PROTO_SCTP
	57	#define SCTP_APP_TAB_BITS 4
	58	#define SCTP_APP_TAB_SIZE (1 << SCTP_APP_TAB_BITS)
	59	#define SCTP_APP_TAB_MASK (SCTP_APP_TAB_SIZE - 1)
	60	/* Hash table for SCTP application incarnations */
	61	struct list_head sctp_apps[SCTP_APP_TAB_SIZE];
	62	spinlock_t sctp_app_lock;
	63	#endif
a0840e2e HS	64	/* ip_vs_conn */
	65	atomic_t conn_count; /* connection counter */
	66
b17fc996 HS	67	/* ip_vs_ctl */
	68	struct ip_vs_stats tot_stats; / Statistics & est. */
	69	struct ip_vs_cpu_stats __percpu cpustats; / Stats per cpu */
	70	seqcount_t ustats_seq; / u64 read retry */
d0a1eef9	71
a0840e2e HS	72	int num_services; /* no of virtual services */
	73	/* 1/rate drop and drop-entry variables */
	74	int drop_rate;
	75	int drop_counter;
	76	atomic_t dropentry;
	77	/* locks in ctl.c */
	78	spinlock_t dropentry_lock; /* drop entry handling */
	79	spinlock_t droppacket_lock; /* drop packet handling */
	80	spinlock_t securetcp_lock; /* state and timeout tables */
	81	rwlock_t rs_lock; /* real services table */
	82	/* semaphore for IPVS sockopts. And, [gs]etsockopt may sleep. */
	83	struct lock_class_key ctl_key; /* ctl_mutex debuging */
	84	/* sys-ctl struct */
	85	struct ctl_table_header *sysctl_hdr;
	86	struct ctl_table *sysctl_tbl;
	87	/* sysctl variables */
	88	int sysctl_amemthresh;
	89	int sysctl_am_droprate;
	90	int sysctl_drop_entry;
	91	int sysctl_drop_packet;
	92	int sysctl_secure_tcp;
	93	#ifdef CONFIG_IP_VS_NFCT
	94	int sysctl_conntrack;
	95	#endif
	96	int sysctl_snat_reroute;
	97	int sysctl_sync_ver;
	98	int sysctl_cache_bypass;
	99	int sysctl_expire_nodest_conn;
	100	int sysctl_expire_quiescent_template;
	101	int sysctl_sync_threshold[2];
	102	int sysctl_nat_icmp_send;
	103
b6e885dd HS	104	/* ip_vs_lblc */
	105	int sysctl_lblc_expiration;
	106	struct ctl_table_header *lblc_ctl_header;
	107	struct ctl_table *lblc_ctl_table;
d0a1eef9 HS	108	/* ip_vs_lblcr */
	109	int sysctl_lblcr_expiration;
	110	struct ctl_table_header *lblcr_ctl_header;
	111	struct ctl_table *lblcr_ctl_table;
29c2026f HS	112	/* ip_vs_est */
	113	struct list_head est_list; /* estimator list */
	114	spinlock_t est_lock;
	115	struct timer_list est_timer; /* Estimation timer */
f131315f HS	116	/* ip_vs_sync */
	117	struct list_head sync_queue;
	118	spinlock_t sync_lock;
	119	struct ip_vs_sync_buff *sync_buff;
	120	spinlock_t sync_buff_lock;
	121	struct sockaddr_in sync_mcast_addr;
	122	struct task_struct *master_thread;
	123	struct task_struct *backup_thread;
	124	int send_mesg_maxlen;
	125	int recv_mesg_maxlen;
	126	volatile int sync_state;
	127	volatile int master_syncid;
	128	volatile int backup_syncid;
	129	/* multicast interface name */
	130	char master_mcast_ifn[IP_VS_IFNAME_MAXLEN];
	131	char backup_mcast_ifn[IP_VS_IFNAME_MAXLEN];
61b1ab45 HS	132	};
	133
	134	#endif /* IP_VS_H_ */