DPDK patches and discussions
 help / color / mirror / Atom feed
* [dpdk-dev] [PATCH 1/6] net/null: fix secondary burst function selection
@ 2020-03-02 17:36 Ferruh Yigit
  2020-03-02 17:36 ` [dpdk-dev] [PATCH 2/6] doc: add net null PMD guide Ferruh Yigit
                   ` (5 more replies)
  0 siblings, 6 replies; 8+ messages in thread
From: Ferruh Yigit @ 2020-03-02 17:36 UTC (permalink / raw)
  To: dev, Tetsuya Mukawa, Yasufumi Ogawa; +Cc: Ferruh Yigit, stable

Secondary process uses the primary process device and while setting the
Rx/Tx functions it uses the device arguments from the secondary process
instead of the primary ones.

This may cause primary and secondary process use different Rx/Tx
functions unintentionally.

Fixes: bccc77a6a74a ("net/null: fix multi-process Rx and Tx")
Cc: stable@dpdk.org

Signed-off-by: Ferruh Yigit <ferruh.yigit@intel.com>
---
Cc: yasufum.o@gmail.com
---
 drivers/net/null/rte_eth_null.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/net/null/rte_eth_null.c b/drivers/net/null/rte_eth_null.c
index 025b73acb..87a29b853 100644
--- a/drivers/net/null/rte_eth_null.c
+++ b/drivers/net/null/rte_eth_null.c
@@ -584,6 +584,7 @@ rte_pmd_null_probe(struct rte_vdev_device *dev)
 	PMD_LOG(INFO, "Initializing pmd_null for %s", name);
 
 	if (rte_eal_process_type() == RTE_PROC_SECONDARY) {
+		struct pmd_internals *internals;
 		eth_dev = rte_eth_dev_attach_secondary(name);
 		if (!eth_dev) {
 			PMD_LOG(ERR, "Failed to probe %s", name);
@@ -592,7 +593,8 @@ rte_pmd_null_probe(struct rte_vdev_device *dev)
 		/* TODO: request info from primary to set up Rx and Tx */
 		eth_dev->dev_ops = &ops;
 		eth_dev->device = &dev->device;
-		if (packet_copy) {
+		internals = eth_dev->data->dev_private;
+		if (internals->packet_copy) {
 			eth_dev->rx_pkt_burst = eth_null_copy_rx;
 			eth_dev->tx_pkt_burst = eth_null_copy_tx;
 		} else {
-- 
2.24.1


^ permalink raw reply	[flat|nested] 8+ messages in thread

end of thread, other threads:[~2020-04-10  8:33 UTC | newest]

Thread overview: 8+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2020-03-02 17:36 [dpdk-dev] [PATCH 1/6] net/null: fix secondary burst function selection Ferruh Yigit
2020-03-02 17:36 ` [dpdk-dev] [PATCH 2/6] doc: add net null PMD guide Ferruh Yigit
2020-03-02 17:36 ` [dpdk-dev] [PATCH 3/6] net/null: remove redundant check Ferruh Yigit
2020-03-02 17:36 ` [dpdk-dev] [PATCH 4/6] net/null: prefer unsigned int Ferruh Yigit
2020-03-02 17:36 ` [dpdk-dev] [PATCH 5/6] net/null: group device arguments Ferruh Yigit
2020-03-02 17:36 ` [dpdk-dev] [PATCH 6/6] net/null: add argument for no Rx Ferruh Yigit
2020-04-07  8:38 ` [dpdk-dev] [PATCH 1/6] net/null: fix secondary burst function selection Ferruh Yigit
2020-04-10  8:33   ` [dpdk-dev] [dpdk-stable] " Ferruh Yigit

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).