diff options
Diffstat (limited to 'vnet/vnet/vcgn/spp_timers.h')
-rw-r--r-- | vnet/vnet/vcgn/spp_timers.h | 139 |
1 files changed, 0 insertions, 139 deletions
diff --git a/vnet/vnet/vcgn/spp_timers.h b/vnet/vnet/vcgn/spp_timers.h deleted file mode 100644 index afb0147b2ed..00000000000 --- a/vnet/vnet/vcgn/spp_timers.h +++ /dev/null @@ -1,139 +0,0 @@ -/* - *------------------------------------------------------------------ - * spp_timers.h - * - * Copyright (c) 2008-2009 Cisco and/or its affiliates. - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at: - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - *------------------------------------------------------------------ - */ -#ifndef __SPP_TIMERS_H__ -#define __SPP_TIMERS_H__ - - -typedef struct d_list_el_ { - struct d_list_el_ *next; - struct d_list_el_ *prev; -} d_list_el_t; - -/* - * d_list_init - */ - -static inline void d_list_init (d_list_el_t *headp) -{ - headp->prev = headp->next = headp; -} - -/* - * d_list_init - add at head of list - */ - -static inline void d_list_add_head (d_list_el_t *headp, - d_list_el_t *elp) -{ - ASSERT(elp->prev == elp); /* multiple enqueue, BAD! */ - ASSERT(elp->next == elp); - - elp->next = headp->next; - headp->next = elp; - elp->prev = elp->next->prev; - elp->next->prev = elp; -} - -/* - * d_list_add_tail - add element at tail of list - */ -static inline void d_list_add_tail (d_list_el_t *headp, - d_list_el_t *elp) -{ - ASSERT(elp->prev == elp); /* multiple enqueue, BAD! */ - ASSERT(elp->next == elp); - - headp = headp->prev; - - elp->next = headp->next; - headp->next = elp; - elp->prev = elp->next->prev; - elp->next->prev = elp; -} - -/* - * d_list_rem_head - removes first element from list - */ -static inline d_list_el_t *d_list_rem_head (d_list_el_t *headp) -{ - d_list_el_t *elp; - - elp = headp->next; - if (elp == headp) - return (NULL); - headp->next = elp->next; - elp->next->prev = elp->prev; - - elp->next = elp->prev = elp; - return (elp); -} - -/* - * d_list_rem_elem - removes specific element from list. - */ -static inline void d_list_rem_elem (d_list_el_t *elp) -{ - d_list_el_t *headp; - - headp = elp->prev; - - headp->next = elp->next; - elp->next->prev = elp->prev; - elp->next = elp->prev = elp; -} - -#define TIMER_BKTS_PER_WHEEL 128 /* power of 2, please */ -#define TIMER_NWHEELS 4 - -typedef struct { - i32 curindex; /* current index for this wheel */ - d_list_el_t *bkts; /* vector of bucket listheads */ -} spp_timer_wheel_t; - - -typedef struct { - u64 next_run_ticks; /* Next time we expire timers */ - spp_timer_wheel_t **wheels; /* pointers to wheels */ -} spp_timer_axle_t; - - -typedef struct { - d_list_el_t el; - u16 cb_index; - u16 flags; - u64 expires; -} spp_timer_t; - -#define SPP_TIMER_RUNNING 0x0001 - - -/* - * prototypes - */ -void spp_timer_set_ticks_per_ms(u64); -void spp_timer_axle_init (spp_timer_axle_t *ta); -void spp_timer_expire(spp_timer_axle_t *ta, u64 now); -void spp_timer_final_init(void); - -void spp_timer_start(spp_timer_t *tp); -void spp_timer_start_axle(spp_timer_axle_t *ta, spp_timer_t *tp); -void spp_timer_stop(spp_timer_t *tp); -u16 spp_timer_register_callback (void (*fp)(spp_timer_t *)); - -#endif /* __SPP_TIMERS_H__ */ |