[dpdk-dev] [PATCH] net/netvsc: ignore NVS_TYPE_TXTBL_NOTE while executing a sync command
Long Li
longli at linuxonhyperv.com
Fri Dec 11 08:52:44 CET 2020
From: Long Li <longli at microsoft.com>
On netvsc initialization, the host VSP may send a NVS_TYPE_TXTBL_NOTE packet
while executing a VSP command synchronously.
Ignore this packet as we don't use it for DPDK.
Cc: stable at dpdk.org
Signed-off-by: Long Li <longli at microsoft.com>
---
drivers/net/netvsc/hn_nvs.c | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/drivers/net/netvsc/hn_nvs.c b/drivers/net/netvsc/hn_nvs.c
index a0ee7d8bfa..b6aa07cc5f 100644
--- a/drivers/net/netvsc/hn_nvs.c
+++ b/drivers/net/netvsc/hn_nvs.c
@@ -97,8 +97,13 @@ __hn_nvs_execute(struct hn_data *hv,
hdr = (struct hn_nvs_hdr *)buffer;
/* Silently drop received packets while waiting for response */
- if (hdr->type == NVS_TYPE_RNDIS) {
+ switch (hdr->type) {
+ case NVS_TYPE_RNDIS:
hn_nvs_ack_rxbuf(chan, xactid);
+ /* fallthrough */
+
+ case NVS_TYPE_TXTBL_NOTE:
+ PMD_DRV_LOG(NOTICE, "discard packet type %x", hdr->type);
goto retry;
}
--
2.25.1
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