dpdk: adjust auto mempool calculation when no TX queues set

4 months ago · 9272fd9d98
parent 4f2ce17dc5
commit 9272fd9d98
1 changed files with 5 additions and 1 deletions
--- a/src/runmode-dpdk.c
+++ b/src/runmode-dpdk.c
@ -515,7 +515,11 @@ static int ConfigSetTxQueues(
 static uint32_t MempoolSizeCalculate(
        uint32_t rx_queues, uint32_t rx_desc, uint32_t tx_queues, uint32_t tx_desc)
 {
-    return rx_queues * rx_desc + tx_queues * tx_desc;
+    uint32_t sz = rx_queues * rx_desc + tx_queues * tx_desc;
+    if (!tx_queues || !tx_desc)
+        sz *= 2; // double to have enough space for RX descriptors
+
+    return sz;
 }

 static int ConfigSetMempoolSize(DPDKIfaceConfig *iconf, const char *entry_str)