From: Pavan Nikhilesh <pbhagavat...@marvell.com> Add ``elem_offset:12`` bit field event vector structure the bits are taken from ``rsvd:15``. The element offset defines the offset into the vector array at which valid elements start. The valid elements count will be equal to nb_elem - elem_offset.
Update Rx/Tx adapter SW implementation to use elem_offset. Signed-off-by: Pavan Nikhilesh <pbhagavat...@marvell.com> --- lib/eventdev/rte_event_eth_rx_adapter.c | 1 + lib/eventdev/rte_event_eth_tx_adapter.c | 7 ++++--- lib/eventdev/rte_eventdev.h | 8 ++++++-- 3 files changed, 11 insertions(+), 5 deletions(-) diff --git a/lib/eventdev/rte_event_eth_rx_adapter.c b/lib/eventdev/rte_event_eth_rx_adapter.c index bf8741d2ea..bd72f9b845 100644 --- a/lib/eventdev/rte_event_eth_rx_adapter.c +++ b/lib/eventdev/rte_event_eth_rx_adapter.c @@ -855,6 +855,7 @@ rxa_init_vector(struct event_eth_rx_adapter *rx_adapter, vec->vector_ev->port = vec->port; vec->vector_ev->queue = vec->queue; vec->vector_ev->attr_valid = true; + vec->vector_ev->elem_offset = 0; TAILQ_INSERT_TAIL(&rx_adapter->vector_list, vec, next); } diff --git a/lib/eventdev/rte_event_eth_tx_adapter.c b/lib/eventdev/rte_event_eth_tx_adapter.c index b4b37f1cae..da70883e0d 100644 --- a/lib/eventdev/rte_event_eth_tx_adapter.c +++ b/lib/eventdev/rte_event_eth_tx_adapter.c @@ -524,16 +524,17 @@ txa_process_event_vector(struct txa_service_data *txa, queue = vec->queue; tqi = txa_service_queue(txa, port, queue); if (unlikely(tqi == NULL || !tqi->added)) { - rte_pktmbuf_free_bulk(mbufs, vec->nb_elem); + rte_pktmbuf_free_bulk(&mbufs[vec->elem_offset], + vec->nb_elem - vec->elem_offset); rte_mempool_put(rte_mempool_from_obj(vec), vec); return 0; } - for (i = 0; i < vec->nb_elem; i++) { + for (i = vec->elem_offset; i < vec->nb_elem; i++) { nb_tx += rte_eth_tx_buffer(port, queue, tqi->tx_buf, mbufs[i]); } } else { - for (i = 0; i < vec->nb_elem; i++) { + for (i = vec->elem_offset; i < vec->nb_elem; i++) { port = mbufs[i]->port; queue = rte_event_eth_tx_adapter_txq_get(mbufs[i]); tqi = txa_service_queue(txa, port, queue); diff --git a/lib/eventdev/rte_eventdev.h b/lib/eventdev/rte_eventdev.h index 6a6f6ea4c1..b0698fe748 100644 --- a/lib/eventdev/rte_eventdev.h +++ b/lib/eventdev/rte_eventdev.h @@ -1060,8 +1060,12 @@ rte_event_dev_close(uint8_t dev_id); */ struct rte_event_vector { uint16_t nb_elem; - /**< Number of elements in this event vector. */ - uint16_t rsvd : 15; + /**< Total number of elements in this event vector. */ + uint16_t elem_offset : 12; + /**< Offset into the vector array where valid elements start from. + * The valid elements count would be nb_elem - elem_offset. + */ + uint16_t rsvd : 3; /**< Reserved for future use */ uint16_t attr_valid : 1; /**< Indicates that the below union attributes have valid information. -- 2.25.1