[1/2] net/netvsc: fix crash in secondary process
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Message ID 20200113191239.22750-2-stephen@networkplumber.org
State Accepted, archived
Delegated to: Ferruh Yigit
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Series
  • net/netvsc: fix secondary process issues
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Checks

Context Check Description
ci/iol-testing success Testing PASS
ci/Intel-compilation fail Compilation issues
ci/iol-mellanox-Performance success Performance Testing PASS
ci/iol-nxp-Performance success Performance Testing PASS
ci/iol-intel-Performance success Performance Testing PASS
ci/checkpatch success coding style OK

Commit Message

Stephen Hemminger Jan. 13, 2020, 7:12 p.m. UTC
The secondary process would crash trying to get the offload
capability of the device. Since the device capabilities were
already set by the primary process this was unnecessary.

Fixes: 4e9c73e96e83 ("net/netvsc: add Hyper-V network device")
Cc: stable@dpdk.org
Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
---
 drivers/net/netvsc/hn_ethdev.c | 17 +++++++++--------
 1 file changed, 9 insertions(+), 8 deletions(-)

Patch
diff mbox series

diff --git a/drivers/net/netvsc/hn_ethdev.c b/drivers/net/netvsc/hn_ethdev.c
index 159116f7f691..c79f924379fe 100644
--- a/drivers/net/netvsc/hn_ethdev.c
+++ b/drivers/net/netvsc/hn_ethdev.c
@@ -257,15 +257,16 @@  static int hn_dev_info_get(struct rte_eth_dev *dev,
 	dev_info->max_rx_queues = hv->max_queues;
 	dev_info->max_tx_queues = hv->max_queues;
 
-	rc = hn_rndis_get_offload(hv, dev_info);
-	if (rc != 0)
-		return rc;
+	if (rte_eal_process_type() != RTE_PROC_PRIMARY)
+		return 0;
 
-	rc = hn_vf_info_get(hv, dev_info);
+	/* fills in rx and tx offload capability */
+	rc = hn_rndis_get_offload(hv, dev_info);
 	if (rc != 0)
 		return rc;
 
-	return 0;
+	/* merges the offload and queues of vf */
+	return hn_vf_info_get(hv, dev_info);
 }
 
 static int hn_rss_reta_update(struct rte_eth_dev *dev,
@@ -929,6 +930,9 @@  eth_hn_dev_init(struct rte_eth_dev *eth_dev)
 	eth_dev->tx_pkt_burst = &hn_xmit_pkts;
 	eth_dev->rx_pkt_burst = &hn_recv_pkts;
 
+	/* Since Hyper-V only supports one MAC address, just use local data */
+	eth_dev->data->mac_addrs = &hv->mac_addr;
+
 	/*
 	 * for secondary processes, we don't initialize any further as primary
 	 * has already done this work.
@@ -936,9 +940,6 @@  eth_hn_dev_init(struct rte_eth_dev *eth_dev)
 	if (rte_eal_process_type() != RTE_PROC_PRIMARY)
 		return 0;
 
-	/* Since Hyper-V only supports one MAC address, just use local data */
-	eth_dev->data->mac_addrs = &hv->mac_addr;
-
 	hv->vmbus = vmbus;
 	hv->rxbuf_res = &vmbus->resource[HV_RECV_BUF_MAP];
 	hv->chim_res  = &vmbus->resource[HV_SEND_BUF_MAP];