diff options
| author |   Marvin Liu <yong.liu@intel.com> | 2023-03-14 23:56:31 +0800 |
|---|---|---|
| committer |   Florin Coras <florin.coras@gmail.com> | 2023-03-14 16:40:41 +0000 |
| commit | 48d2e15e3d5afa34ab75112a949dacc2759d472c (patch) | |
| tree | 5702147fe271861e6e123b09fa8d637747c75257 | |
| parent | 738aba7b5150b1c78953a5cd59791fed2ab539ab (diff) | |
session: pre-alloc required dma batches
Specify the number of max_batches when applying for dma config.
Skip this round when no batch available from vlib_dma_batch_new.
Type: improvement
Signed-off-by: Marvin Liu <yong.liu@intel.com>
Change-Id: Ic6e0acf81ba4fc3ed33aea6ac6990ef841021c59
| -rw-r--r-- | src/vnet/session/session.c | 1 | ||||
| -rw-r--r-- | src/vnet/session/session_node.c | 2 |
2 files changed, 3 insertions, 0 deletions
diff --git a/src/vnet/session/session.c b/src/vnet/session/session.c index 3747c8719ed..fe05dd21f68 100644 --- a/src/vnet/session/session.c +++ b/src/vnet/session/session.c @@ -2023,6 +2023,7 @@ session_dma_completion_cb (vlib_main_t *vm, struct vlib_dma_batch *batch) static void session_prepare_dma_args (vlib_dma_config_t *args) { + args->max_batches = 16; args->max_transfers = DMA_TRANS_SIZE; args->max_transfer_size = 65536; args->features = 0; diff --git a/src/vnet/session/session_node.c b/src/vnet/session/session_node.c index c67d63fea80..f1a006722fe 100644 --- a/src/vnet/session/session_node.c +++ b/src/vnet/session/session_node.c @@ -1936,6 +1936,8 @@ session_queue_node_fn (vlib_main_t * vm, vlib_node_runtime_t * node, if (wrk->trans_head == ((wrk->trans_tail + 1) & (wrk->trans_size - 1))) return 0; wrk->batch = vlib_dma_batch_new (vm, wrk->config_index); + if (!wrk->batch) + return 0; } /* |