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net/netvsc: ignore NVS_TYPE_TXTBL_NOTE while executing a sync command

PATCH Applied Long Li 2 participants 2 messages Dec 11, 2020 – Dec 15, 2020 Network drivers

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Long Li

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PATCH v2 1/1 net/netvsc: ignore NVS_TYPE_TXTBL_NOTE while executing a sync command

From: Long Li <[email protected]>

On netvsc initialization, the host VSP may send a NVS_TYPE_TXTBL_NOTE packet while executing a VSP command synchronously.

Instead of returning an error, ignore this packet as we don't use it for DPDK.

Cc [email protected]
Signed-off-by Long Li <[email protected]>
---
 drivers/net/netvsc/hn_nvs.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)
drivers/net/netvsc/hn_nvs.c +6 -1
index a0ee7d8bfa..a97591d16b 100644
@@ -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(DEBUG, "discard packet type 0x%x", hdr->type);
 		goto retry;
 	}
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2.25.1