X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=drivers%2Fevent%2Fsw%2Fsw_evdev.h;h=1fc07b64fcdbb7df7932bdb3319a4a9fe9df0cf9;hb=e4c515a7bc7e524d71f0d9848ac71ae32195e31a;hp=34f91eaabe730512225808ca7e58c1cb7fce85ae;hpb=dca926ca9faa61b0ec7bdc93c605558d37b08fb1;p=dpdk.git diff --git a/drivers/event/sw/sw_evdev.h b/drivers/event/sw/sw_evdev.h index 34f91eaabe..1fc07b64fc 100644 --- a/drivers/event/sw/sw_evdev.h +++ b/drivers/event/sw/sw_evdev.h @@ -5,6 +5,7 @@ #ifndef _SW_EVDEV_H_ #define _SW_EVDEV_H_ +#include "sw_evdev_log.h" #include #include #include @@ -28,7 +29,13 @@ /* report dequeue burst sizes in buckets */ #define SW_DEQ_STAT_BUCKET_SHIFT 2 /* how many packets pulled from port by sched */ -#define SCHED_DEQUEUE_BURST_SIZE 32 +#define SCHED_DEQUEUE_DEFAULT_BURST_SIZE 32 +/* max buffer size */ +#define SCHED_DEQUEUE_MAX_BURST_SIZE 256 + +/* Flush the pipeline after this many no enq to cq */ +#define SCHED_NO_ENQ_CYCLE_FLUSH 256 + #define SW_PORT_HIST_LIST (MAX_SW_PROD_Q_DEPTH) /* size of our history list */ #define NUM_SAMPLES 64 /* how many data points use for average stats */ @@ -64,26 +71,6 @@ static const uint8_t sw_qe_flag_map[] = { QE_FLAG_VALID | QE_FLAG_COMPLETE | QE_FLAG_NOT_EOP, }; -#ifdef RTE_LIBRTE_PMD_EVDEV_SW_DEBUG -#define SW_LOG_INFO(fmt, args...) \ - RTE_LOG(INFO, EVENTDEV, "[%s] %s() line %u: " fmt "\n", \ - SW_PMD_NAME, \ - __func__, __LINE__, ## args) - -#define SW_LOG_DBG(fmt, args...) \ - RTE_LOG(DEBUG, EVENTDEV, "[%s] %s() line %u: " fmt "\n", \ - SW_PMD_NAME, \ - __func__, __LINE__, ## args) -#else -#define SW_LOG_INFO(fmt, args...) -#define SW_LOG_DBG(fmt, args...) -#endif - -#define SW_LOG_ERR(fmt, args...) \ - RTE_LOG(ERR, EVENTDEV, "[%s] %s() line %u: " fmt "\n", \ - SW_PMD_NAME, \ - __func__, __LINE__, ## args) - /* Records basic event stats at a given point. Used in port and qid structs */ struct sw_point_stats { uint64_t rx_pkts; @@ -141,7 +128,7 @@ struct sw_qid { /* Track packet order for reordering when needed */ struct reorder_buffer_entry *reorder_buffer; /*< pkts await reorder */ - struct rte_ring *reorder_buffer_freelist; /* available reorder slots */ + struct rob_ring *reorder_buffer_freelist; /* available reorder slots */ uint32_t reorder_buffer_index; /* oldest valid reorder buffer entry */ uint32_t window_size; /* Used to wrap reorder_buffer_index */ @@ -167,6 +154,14 @@ struct sw_port { /* A numeric ID for the port */ uint8_t id; + /* An atomic counter for when the port has been unlinked, and the + * scheduler has not yet acked this unlink - hence there may still be + * events in the buffers going to the port. When the unlinks in + * progress is read by the scheduler, no more events will be pushed to + * the port - hence the scheduler core can just assign zero. + */ + uint8_t unlinks_in_progress; + int16_t is_directed; /** Takes from a single directed QID */ /** * For loadbalanced we can optimise pulling packets from @@ -185,6 +180,7 @@ struct sw_port { uint16_t outstanding_releases __rte_cache_aligned; uint16_t inflight_max; /* app requested max inflights for this port */ uint16_t inflight_credits; /* num credits this port has right now */ + uint8_t implicit_release; /* release events before dequeueing */ uint16_t last_dequeue_burst_sz; /* how big the burst was */ uint64_t last_dequeue_ticks; /* used to track burst processing time */ @@ -207,7 +203,7 @@ struct sw_port { uint32_t pp_buf_start; uint32_t pp_buf_count; uint16_t cq_buf_count; - struct rte_event pp_buf[SCHED_DEQUEUE_BURST_SIZE]; + struct rte_event pp_buf[SCHED_DEQUEUE_MAX_BURST_SIZE]; struct rte_event cq_buf[MAX_SW_CONS_Q_DEPTH]; uint8_t num_qids_mapped; @@ -224,6 +220,16 @@ struct sw_evdev { uint32_t xstats_count_mode_port; uint32_t xstats_count_mode_queue; + /* Minimum burst size*/ + uint32_t sched_min_burst_size __rte_cache_aligned; + /* Port dequeue burst size*/ + uint32_t sched_deq_burst_size; + /* Refill pp buffers only once per scheduler call*/ + uint32_t refill_once_per_iter; + /* Current values */ + uint32_t sched_flush_count; + uint32_t sched_min_burst; + /* Contains all ports - load balanced and directed */ struct sw_port ports[SW_PORTS_MAX] __rte_cache_aligned; @@ -305,5 +311,6 @@ int sw_xstats_reset(struct rte_eventdev *dev, const uint32_t ids[], uint32_t nb_ids); +int test_sw_eventdev(void); #endif /* _SW_EVDEV_H_ */