[dpdk-dev] [PATCH] net/af_xdp: do not attempt probe for secondary processes
flat view
From: Ciara Loftus <hidden>
Date: 2021-09-30 13:46:28
Subsystem:
networking drivers, the rest · Maintainers:
Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
Since the AF_XDP PMD does not work for secondary processes as reported
in Bugzilla 805, check for the process type at the beginning of probe
and return ENOTSUP if the process type is secondary.
Bugzilla ID: 805
Fixes: f1debd77efaf ("net/af_xdp: introduce AF_XDP PMD")
Cc: stable@dpdk.org
Signed-off-by: Ciara Loftus <redacted>
Reported-by: Stephen Hemminger <stephen@networkplumber.org>
---
drivers/net/af_xdp/rte_eth_af_xdp.c | 15 +++++----------
1 file changed, 5 insertions(+), 10 deletions(-)
diff --git a/drivers/net/af_xdp/rte_eth_af_xdp.c b/drivers/net/af_xdp/rte_eth_af_xdp.c
index 9bea0a895a..d61cb0aa7c 100644
--- a/drivers/net/af_xdp/rte_eth_af_xdp.c
+++ b/drivers/net/af_xdp/rte_eth_af_xdp.c@@ -1790,16 +1790,11 @@ rte_pmd_af_xdp_probe(struct rte_vdev_device *dev) rte_vdev_device_name(dev)); name = rte_vdev_device_name(dev); - if (rte_eal_process_type() == RTE_PROC_SECONDARY && - strlen(rte_vdev_device_args(dev)) == 0) { - eth_dev = rte_eth_dev_attach_secondary(name); - if (eth_dev == NULL) { - AF_XDP_LOG(ERR, "Failed to probe %s\n", name); - return -EINVAL; - } - eth_dev->dev_ops = &ops; - rte_eth_dev_probing_finish(eth_dev); - return 0; + if (rte_eal_process_type() == RTE_PROC_SECONDARY) { + AF_XDP_LOG(ERR, "Failed to probe %s. " + "AF_XDP PMD does not support secondary processes.\n", + name); + return -ENOTSUP; } kvlist = rte_kvargs_parse(rte_vdev_device_args(dev), valid_arguments);
--
2.17.1