From 85999283a21ab2dd37427fdd8c8e8af57223977c Mon Sep 17 00:00:00 2001 From: Simon Horman Date: Sun, 22 Aug 2010 21:37:53 +0900 Subject: IPVS: Add struct ip_vs_pe Signed-off-by: Simon Horman Acked-by: Julian Anastasov --- include/net/ip_vs.h | 28 +++++++++++++++++++++++++++- 1 file changed, 27 insertions(+), 1 deletion(-) (limited to 'include/net/ip_vs.h') diff --git a/include/net/ip_vs.h b/include/net/ip_vs.h index d4da774eca75..b6b309d05e4e 100644 --- a/include/net/ip_vs.h +++ b/include/net/ip_vs.h @@ -364,6 +364,10 @@ struct ip_vs_conn_param { __be16 vport; __u16 protocol; u16 af; + + const struct ip_vs_pe *pe; + char *pe_data; + __u8 pe_data_len; }; /* @@ -416,6 +420,9 @@ struct ip_vs_conn { void *app_data; /* Application private data */ struct ip_vs_seq in_seq; /* incoming seq. struct */ struct ip_vs_seq out_seq; /* outgoing seq. struct */ + + char *pe_data; + __u8 pe_data_len; }; @@ -486,6 +493,9 @@ struct ip_vs_service { struct ip_vs_scheduler *scheduler; /* bound scheduler object */ rwlock_t sched_lock; /* lock sched_data */ void *sched_data; /* scheduler application data */ + + /* alternate persistence engine */ + struct ip_vs_pe *pe; }; @@ -549,6 +559,20 @@ struct ip_vs_scheduler { const struct sk_buff *skb); }; +/* The persistence engine object */ +struct ip_vs_pe { + struct list_head n_list; /* d-linked list head */ + char *name; /* scheduler name */ + atomic_t refcnt; /* reference counter */ + struct module *module; /* THIS_MODULE/NULL */ + + /* get the connection template, if any */ + int (*fill_param)(struct ip_vs_conn_param *p, struct sk_buff *skb); + bool (*ct_match)(const struct ip_vs_conn_param *p, + struct ip_vs_conn *ct); + u32 (*hashkey_raw)(const struct ip_vs_conn_param *p, u32 initval, + bool inverse); +}; /* * The application module object (a.k.a. app incarnation) @@ -648,6 +672,8 @@ static inline void ip_vs_conn_fill_param(int af, int protocol, p->cport = cport; p->vaddr = vaddr; p->vport = vport; + p->pe = NULL; + p->pe_data = NULL; } struct ip_vs_conn *ip_vs_conn_in_get(const struct ip_vs_conn_param *p); @@ -803,7 +829,7 @@ extern int ip_vs_unbind_scheduler(struct ip_vs_service *svc); extern struct ip_vs_scheduler *ip_vs_scheduler_get(const char *sched_name); extern void ip_vs_scheduler_put(struct ip_vs_scheduler *scheduler); extern struct ip_vs_conn * -ip_vs_schedule(struct ip_vs_service *svc, const struct sk_buff *skb); +ip_vs_schedule(struct ip_vs_service *svc, struct sk_buff *skb); extern int ip_vs_leave(struct ip_vs_service *svc, struct sk_buff *skb, struct ip_vs_protocol *pp); -- cgit v1.2.1