[PATCH v2 4/4] crypto/scheduler: add minimum head/tailroom requirement
From: Anoob Joseph <hidden>
Date: 2018-07-10 14:44:47
Subsystem:
crypto api, the rest · Maintainers:
Herbert Xu, "David S. Miller", Linus Torvalds
Minimum head/tailroom requirement for each PMD has to be considered while populating the dev_info. Signed-off-by: Anoob Joseph <redacted> --- v2: * Added this patch drivers/crypto/scheduler/scheduler_pmd_ops.c | 16 ++++++++++++++++ 1 file changed, 16 insertions(+)
diff --git a/drivers/crypto/scheduler/scheduler_pmd_ops.c b/drivers/crypto/scheduler/scheduler_pmd_ops.c
index 147dc51..984ea8c 100644
--- a/drivers/crypto/scheduler/scheduler_pmd_ops.c
+++ b/drivers/crypto/scheduler/scheduler_pmd_ops.c@@ -323,6 +323,8 @@ scheduler_pmd_info_get(struct rte_cryptodev *dev, struct scheduler_ctx *sched_ctx = dev->data->dev_private; uint32_t max_nb_sessions = sched_ctx->nb_slaves ? UINT32_MAX : RTE_CRYPTODEV_PMD_DEFAULT_MAX_NB_SESSIONS; + uint16_t headroom_sz = 0; + uint16_t tailroom_sz = 0; uint32_t i; if (!dev_info)
@@ -342,12 +344,26 @@ scheduler_pmd_info_get(struct rte_cryptodev *dev, max_nb_sessions ? slave_info.sym.max_nb_sessions : max_nb_sessions; + + /* Get the max headroom requirement among slave PMDs */ + headroom_sz = slave_info.min_mbuf_headroom_req > + headroom_sz ? + slave_info.min_mbuf_headroom_req : + headroom_sz; + + /* Get the max tailroom requirement among slave PMDs */ + tailroom_sz = slave_info.min_mbuf_tailroom_req > + tailroom_sz ? + slave_info.min_mbuf_tailroom_req : + tailroom_sz; } dev_info->driver_id = dev->driver_id; dev_info->feature_flags = dev->feature_flags; dev_info->capabilities = sched_ctx->capabilities; dev_info->max_nb_queue_pairs = sched_ctx->max_nb_queue_pairs; + dev_info->min_mbuf_headroom_req = headroom_sz; + dev_info->min_mbuf_tailroom_req = tailroom_sz; dev_info->sym.max_nb_sessions = max_nb_sessions; }
--
2.7.4