[dpdk-dev] [PATCH v4 2/4] examples/vhost: use a new API to query remaining ring space
From: Wenwu Ma <hidden>
Date: 2021-06-30 07:35:17
Subsystem:
the rest · Maintainer:
Linus Torvalds
A new API for querying the remaining descriptor ring capacity is available, so we use the new one instead of the old one. Signed-off-by: Wenwu Ma <redacted> --- examples/vhost/ioat.c | 6 +----- 1 file changed, 1 insertion(+), 5 deletions(-)
diff --git a/examples/vhost/ioat.c b/examples/vhost/ioat.c
index 2a2c2d7202..bf4e033bdb 100644
--- a/examples/vhost/ioat.c
+++ b/examples/vhost/ioat.c@@ -17,7 +17,6 @@ struct packet_tracker { unsigned short next_read; unsigned short next_write; unsigned short last_remain; - unsigned short ioat_space; }; struct packet_tracker cb_tracker[MAX_VHOST_DEVICE];
@@ -113,7 +112,6 @@ open_ioat(const char *value) goto out; } rte_rawdev_start(dev_id); - cb_tracker[dev_id].ioat_space = IOAT_RING_SIZE - 1; dma_info->nr++; i++; }
@@ -140,7 +138,7 @@ ioat_transfer_data_cb(int vid, uint16_t queue_id, src = descs[i_desc].src; dst = descs[i_desc].dst; i_seg = 0; - if (cb_tracker[dev_id].ioat_space < src->nr_segs) + if (rte_ioat_burst_capacity(dev_id) < src->nr_segs) break; while (i_seg < src->nr_segs) { rte_ioat_enqueue_copy(dev_id,
@@ -155,7 +153,6 @@ ioat_transfer_data_cb(int vid, uint16_t queue_id, } write &= mask; cb_tracker[dev_id].size_track[write] = src->nr_segs; - cb_tracker[dev_id].ioat_space -= src->nr_segs; write++; } } else {
@@ -194,7 +191,6 @@ ioat_check_completed_copies_cb(int vid, uint16_t queue_id, if (n_seg == 0) return 0; - cb_tracker[dev_id].ioat_space += n_seg; n_seg += cb_tracker[dev_id].last_remain; read = cb_tracker[dev_id].next_read;
--
2.25.1