[dpdk-dev] [PATCH v3 13/32] raw/cnxk_bphy: support for dequeue operation
From: Tomasz Duszynski <hidden>
Date: 2021-06-21 15:06:41
Subsystem:
the rest · Maintainer:
Linus Torvalds
Add support for dequeueing responses to previously enqueued messages. Signed-off-by: Tomasz Duszynski <redacted> Signed-off-by: Jakub Palider <redacted> Reviewed-by: Jerin Jacob <redacted> --- drivers/raw/cnxk_bphy/cnxk_bphy_cgx.c | 27 +++++++++++++++++++++++++++ 1 file changed, 27 insertions(+)
diff --git a/drivers/raw/cnxk_bphy/cnxk_bphy_cgx.c b/drivers/raw/cnxk_bphy/cnxk_bphy_cgx.c
index 637514406..a8eafae1b 100644
--- a/drivers/raw/cnxk_bphy/cnxk_bphy_cgx.c
+++ b/drivers/raw/cnxk_bphy/cnxk_bphy_cgx.c@@ -157,6 +157,32 @@ cnxk_bphy_cgx_enqueue_bufs(struct rte_rawdev *dev, return 1; } +static int +cnxk_bphy_cgx_dequeue_bufs(struct rte_rawdev *dev, + struct rte_rawdev_buf **buffers, unsigned int count, + rte_rawdev_obj_t context) +{ + struct cnxk_bphy_cgx *cgx = dev->dev_private; + unsigned int queue = (size_t)context; + struct cnxk_bphy_cgx_queue *qp; + + if (queue >= cgx->num_queues) + return -EINVAL; + + if (count == 0) + return 0; + + qp = &cgx->queues[queue]; + if (qp->rsp) { + buffers[0]->buf_addr = qp->rsp; + qp->rsp = NULL; + + return 1; + } + + return 0; +} + static uint16_t cnxk_bphy_cgx_queue_count(struct rte_rawdev *dev) {
@@ -168,6 +194,7 @@ cnxk_bphy_cgx_queue_count(struct rte_rawdev *dev) static const struct rte_rawdev_ops cnxk_bphy_cgx_rawdev_ops = { .queue_def_conf = cnxk_bphy_cgx_queue_def_conf, .enqueue_bufs = cnxk_bphy_cgx_enqueue_bufs, + .dequeue_bufs = cnxk_bphy_cgx_dequeue_bufs, .queue_count = cnxk_bphy_cgx_queue_count, };
--
2.25.1