[ovs-dev] [PATCH] netdev-dpdk: don't set rx mq mode for net_virtio

Jaime Caamaño Ruiz jcaamano at suse.com
Tue May 19 11:25:46 UTC 2020


Since DPDK 19.11 [1], it is not allowed to set any RX mq mode for virtio
driver.

[1] https://github.com/DPDK/dpdk/commit/13b3137f3b7c8f866947a9b34e06a8aec0d084f7

Signed-off-by: Jaime Caamaño Ruiz <jcaamano at suse.com>
---
 lib/netdev-dpdk.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/lib/netdev-dpdk.c b/lib/netdev-dpdk.c
index 44ebf96da..022e3af92 100644
--- a/lib/netdev-dpdk.c
+++ b/lib/netdev-dpdk.c
@@ -965,6 +965,12 @@ dpdk_eth_dev_port_config(struct netdev_dpdk *dev, int n_rxq, int n_txq)
 
     rte_eth_dev_info_get(dev->port_id, &info);
 
+    /* As of DPDK 19.11, it is not allowed to set a mq_mode for
+     * virtio PMD driver. */
+    if (!strcmp(info.driver_name, "net_virtio")) {
+        conf.rxmode.mq_mode = ETH_MQ_RX_NONE;
+    }
+
     /* As of DPDK 17.11.1 a few PMDs require to explicitly enable
      * scatter to support jumbo RX.
      * Setting scatter for the device is done after checking for
-- 
2.26.1



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