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36 #include <rte_eventdev.h>
37 #include <rte_eventdev_pmd.h>
39 #define SW_DEFAULT_CREDIT_QUANTA 32
40 #define SW_DEFAULT_SCHED_QUANTA 128
41 #define SW_QID_NUM_FIDS 16384
43 #define SW_Q_PRIORITY_MAX 255
44 #define SW_PORTS_MAX 64
45 #define MAX_SW_CONS_Q_DEPTH 128
46 #define SW_INFLIGHT_EVENTS_TOTAL 4096
47 /* allow for lots of over-provisioning */
48 #define MAX_SW_PROD_Q_DEPTH 4096
49 #define SW_FRAGMENTS_MAX 16
51 #define EVENTDEV_NAME_SW_PMD event_sw
52 #define SW_PMD_NAME RTE_STR(event_sw)
54 #ifdef RTE_LIBRTE_PMD_EVDEV_SW_DEBUG
55 #define SW_LOG_INFO(fmt, args...) \
56 RTE_LOG(INFO, EVENTDEV, "[%s] %s() line %u: " fmt "\n", \
58 __func__, __LINE__, ## args)
60 #define SW_LOG_DBG(fmt, args...) \
61 RTE_LOG(DEBUG, EVENTDEV, "[%s] %s() line %u: " fmt "\n", \
63 __func__, __LINE__, ## args)
65 #define SW_LOG_INFO(fmt, args...)
66 #define SW_LOG_DBG(fmt, args...)
69 #define SW_LOG_ERR(fmt, args...) \
70 RTE_LOG(ERR, EVENTDEV, "[%s] %s() line %u: " fmt "\n", \
72 __func__, __LINE__, ## args)
74 /* Records basic event stats at a given point. Used in port and qid structs */
75 struct sw_point_stats {
81 /* structure used to track what port a flow (FID) is pinned to */
83 /* which CQ this FID is currently pinned to */
85 /* number of packets gone to the CQ with this FID */
89 struct reorder_buffer_entry {
90 uint16_t num_fragments; /**< Number of packet fragments */
91 uint16_t fragment_index; /**< Points to the oldest valid frag */
92 uint8_t ready; /**< Entry is ready to be reordered */
93 struct rte_event fragments[SW_FRAGMENTS_MAX];
97 /* set when the QID has been initialized */
99 /* The type of this QID */
101 /* Integer ID representing the queue. This is used in history lists,
102 * to identify the stage of processing.
105 struct sw_point_stats stats;
107 /* Internal priority rings for packets */
108 struct iq_ring *iq[SW_IQS_MAX];
109 uint32_t iq_pkt_mask; /* A mask to indicate packets in an IQ */
110 uint64_t iq_pkt_count[SW_IQS_MAX];
112 /* Information on what CQs are polling this IQ */
113 uint32_t cq_num_mapped_cqs;
114 uint32_t cq_next_tx; /* cq to write next (non-atomic) packet */
115 uint32_t cq_map[SW_PORTS_MAX];
117 /* Track flow ids for atomic load balancing */
118 struct sw_fid_t fids[SW_QID_NUM_FIDS];
120 /* Track packet order for reordering when needed */
121 struct reorder_buffer_entry *reorder_buffer; /*< pkts await reorder */
122 struct rte_ring *reorder_buffer_freelist; /* available reorder slots */
123 uint32_t reorder_buffer_index; /* oldest valid reorder buffer entry */
124 uint32_t window_size; /* Used to wrap reorder_buffer_index */
130 struct rte_eventdev_data *data;
132 int32_t sched_quanta;
133 uint32_t credit_update_quanta;
136 static inline struct sw_evdev *
137 sw_pmd_priv(const struct rte_eventdev *eventdev)
139 return eventdev->data->dev_private;
142 static inline const struct sw_evdev *
143 sw_pmd_priv_const(const struct rte_eventdev *eventdev)
145 return eventdev->data->dev_private;
148 #endif /* _SW_EVDEV_H_ */