X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=lib%2Flibrte_timer%2Frte_timer.h;h=77547c6b8ffee322e21338d665c909841110cca4;hb=b96fab86b54ca7bed3e8cdbb9f594a365b749582;hp=07a693b805fd964a879ba7d7a4f24149c0f8da06;hpb=1c1d4d7a923d4804f1926fc5264f9ecdd8977b04;p=dpdk.git diff --git a/lib/librte_timer/rte_timer.h b/lib/librte_timer/rte_timer.h index 07a693b805..77547c6b8f 100644 --- a/lib/librte_timer/rte_timer.h +++ b/lib/librte_timer/rte_timer.h @@ -1,13 +1,13 @@ /*- * BSD LICENSE - * - * Copyright(c) 2010-2013 Intel Corporation. All rights reserved. + * + * Copyright(c) 2010-2014 Intel Corporation. All rights reserved. * All rights reserved. - * + * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: - * + * * * Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * Redistributions in binary form must reproduce the above copyright @@ -17,7 +17,7 @@ * * Neither the name of Intel Corporation nor the names of its * contributors may be used to endorse or promote products derived * from this software without specific prior written permission. - * + * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR @@ -63,9 +63,9 @@ * design of this library. */ +#include #include #include -#include #ifdef __cplusplus extern "C" { @@ -76,7 +76,7 @@ extern "C" { #define RTE_TIMER_RUNNING 2 /**< State: timer function is running. */ #define RTE_TIMER_CONFIG 3 /**< State: timer is being configured. */ -#define RTE_TIMER_NO_OWNER -1 /**< Timer has no owner. */ +#define RTE_TIMER_NO_OWNER -2 /**< Timer has no owner. */ /** * Timer type: Periodic or single (one-shot). @@ -115,18 +115,20 @@ struct rte_timer; /** * Callback function type for timer expiry. */ -typedef void (rte_timer_cb_t)(struct rte_timer *, void *); +typedef void (*rte_timer_cb_t)(struct rte_timer *, void *); + +#define MAX_SKIPLIST_DEPTH 10 /** * A structure describing a timer in RTE. */ struct rte_timer { - LIST_ENTRY(rte_timer) next; /**< Next and prev in list. */ + uint64_t expire; /**< Time when timer expire. */ + struct rte_timer *sl_next[MAX_SKIPLIST_DEPTH]; volatile union rte_timer_status status; /**< Status of timer. */ uint64_t period; /**< Period of timer (0 if not periodic). */ - uint64_t expire; /**< Time when timer expire. */ - rte_timer_cb_t *f; /**< Callback function. */ + rte_timer_cb_t f; /**< Callback function. */ void *arg; /**< Argument to callback function. */ }; @@ -135,10 +137,10 @@ struct rte_timer /** * A C++ static initializer for a timer structure. */ -#define RTE_TIMER_INITIALIZER { \ - {0, 0}, \ - {{RTE_TIMER_STOP, RTE_TIMER_NO_OWNER}}, \ +#define RTE_TIMER_INITIALIZER { \ 0, \ + {NULL}, \ + {{RTE_TIMER_STOP, RTE_TIMER_NO_OWNER}}, \ 0, \ NULL, \ NULL, \ @@ -308,7 +310,7 @@ int rte_timer_pending(struct rte_timer *tim); /** * Manage the timer list and execute callback functions. * - * This function must be called periodically from all cores + * This function must be called periodically from EAL lcores * main_loop(). It browses the list of pending timers and runs all * timers that are expired. * @@ -320,8 +322,11 @@ void rte_timer_manage(void); /** * Dump statistics about timers. + * + * @param f + * A pointer to a file for output */ -void rte_timer_dump_stats(void); +void rte_timer_dump_stats(FILE *f); #ifdef __cplusplus }