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Signed-off-by: Andrew Boyer Signed-off-by: Allen Hubbe --- doc/guides/nics/features/ionic.ini | 1 + doc/guides/rel_notes/release_22_11.rst | 1 + drivers/net/ionic/ionic_ethdev.c | 2 ++ drivers/net/ionic/ionic_rxtx.c | 39 ++++++++++++++++++++++++++ drivers/net/ionic/ionic_rxtx.h | 2 ++ 5 files changed, 45 insertions(+) diff --git a/doc/guides/nics/features/ionic.ini b/doc/guides/nics/features/ionic.ini index 77947bfd22..e01ba87135 100644 --- a/doc/guides/nics/features/ionic.ini +++ b/doc/guides/nics/features/ionic.ini @@ -27,6 +27,7 @@ CRC offload = Y L3 checksum offload = Y L4 checksum offload = Y Packet type parsing = Y +Rx descriptor status = Y Basic stats = Y Extended stats = Y Stats per queue = Y diff --git a/doc/guides/rel_notes/release_22_11.rst b/doc/guides/rel_notes/release_22_11.rst index 5c3bd15e55..d2e82979e6 100644 --- a/doc/guides/rel_notes/release_22_11.rst +++ b/doc/guides/rel_notes/release_22_11.rst @@ -86,6 +86,7 @@ New Features * Enhanced data path to provide substantial performance improvements. * Added support for mbuf fast free. * Added support for advertising packet types. + * Added support for descriptor status functions. Removed Items ------------- diff --git a/drivers/net/ionic/ionic_ethdev.c b/drivers/net/ionic/ionic_ethdev.c index 39bbe60d79..7ac7006d88 100644 --- a/drivers/net/ionic/ionic_ethdev.c +++ b/drivers/net/ionic/ionic_ethdev.c @@ -984,6 +984,8 @@ eth_ionic_dev_init(struct rte_eth_dev *eth_dev, void *init_params) eth_dev->tx_pkt_burst = &ionic_xmit_pkts; eth_dev->tx_pkt_prepare = &ionic_prep_pkts; + eth_dev->rx_descriptor_status = ionic_dev_rx_descriptor_status; + /* Multi-process not supported, primary does initialization anyway */ if (rte_eal_process_type() != RTE_PROC_PRIMARY) return 0; diff --git a/drivers/net/ionic/ionic_rxtx.c b/drivers/net/ionic/ionic_rxtx.c index 24fd8fcf04..64cbbd9815 100644 --- a/drivers/net/ionic/ionic_rxtx.c +++ b/drivers/net/ionic/ionic_rxtx.c @@ -1235,3 +1235,42 @@ ionic_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts, return rx_svc.nb_rx; } + +int +ionic_dev_rx_descriptor_status(void *rx_queue, uint16_t offset) +{ + struct ionic_rx_qcq *rxq = rx_queue; + struct ionic_qcq *qcq = &rxq->qcq; + struct ionic_rxq_comp *cq_desc; + uint16_t mask, head, tail, pos; + bool done_color; + + mask = qcq->q.size_mask; + + /* offset must be within the size of the ring */ + if (offset > mask) + return -EINVAL; + + head = qcq->q.head_idx; + tail = qcq->q.tail_idx; + + /* offset is beyond what is posted */ + if (offset >= ((head - tail) & mask)) + return RTE_ETH_RX_DESC_UNAVAIL; + + /* interested in this absolute position in the rxq */ + pos = (tail + offset) & mask; + + /* rx cq position == rx q position */ + cq_desc = qcq->cq.base; + cq_desc = &cq_desc[pos]; + + /* expected done color at this position */ + done_color = qcq->cq.done_color != (pos < tail); + + /* has the hw indicated the done color at this position? */ + if (color_match(cq_desc->pkt_type_color, done_color)) + return RTE_ETH_RX_DESC_DONE; + + return RTE_ETH_RX_DESC_AVAIL; +} diff --git a/drivers/net/ionic/ionic_rxtx.h b/drivers/net/ionic/ionic_rxtx.h index de51f21012..465001a063 100644 --- a/drivers/net/ionic/ionic_rxtx.h +++ b/drivers/net/ionic/ionic_rxtx.h @@ -40,6 +40,8 @@ void ionic_rxq_info_get(struct rte_eth_dev *dev, uint16_t queue_id, void ionic_txq_info_get(struct rte_eth_dev *dev, uint16_t queue_id, struct rte_eth_txq_info *qinfo); +int ionic_dev_rx_descriptor_status(void *rx_queue, uint16_t offset); + const uint32_t *ionic_dev_supported_ptypes_get(struct rte_eth_dev *dev); #endif /* _IONIC_RXTX_H_ */ -- 2.17.1