rte_tailq.h

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/*-
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 *
 *   Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
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 *
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#ifndef _RTE_TAILQ_H_
#define _RTE_TAILQ_H_

#ifdef __cplusplus
extern "C" {
#endif

#include <sys/queue.h>
#include <stdio.h>
#include <rte_debug.h>

struct rte_tailq_entry {
        TAILQ_ENTRY(rte_tailq_entry) next; 
        void *data; 
};
TAILQ_HEAD(rte_tailq_entry_head, rte_tailq_entry);

#define RTE_TAILQ_NAMESIZE 32

struct rte_tailq_head {
        struct rte_tailq_entry_head tailq_head; 
        char name[RTE_TAILQ_NAMESIZE];
};

struct rte_tailq_elem {
        struct rte_tailq_head *head;
        TAILQ_ENTRY(rte_tailq_elem) next;
        const char name[RTE_TAILQ_NAMESIZE];
};

#define RTE_TAILQ_CAST(tailq_entry, struct_name) \
        (struct struct_name *)&(tailq_entry)->tailq_head

#define RTE_TAILQ_LOOKUP(name, struct_name) \
        RTE_TAILQ_CAST(rte_eal_tailq_lookup(name), struct_name)

void rte_dump_tailq(FILE *f);

struct rte_tailq_head *rte_eal_tailq_lookup(const char *name);

int rte_eal_tailq_register(struct rte_tailq_elem *t);

#define EAL_REGISTER_TAILQ(t) \
void tailqinitfn_ ##t(void); \
void __attribute__((constructor, used)) tailqinitfn_ ##t(void) \
{ \
        if (rte_eal_tailq_register(&t) < 0) \
                rte_panic("Cannot initialize tailq: %s\n", t.name); \
}

#ifdef __cplusplus
}
#endif

#endif /* _RTE_TAILQ_H_ */