From: Stephen Hemminger <stephen@networkplumber.org>
Date: Sat, 14 Jun 2014 01:06:22 +0000 (-0700)
Subject: virtio: check for ip checksum offload
X-Git-Tag: spdx-start~10502
X-Git-Url: http://git.droids-corp.org/?a=commitdiff_plain;h=11efa9f07c7b8dfaf0faa5fcb6a1a6ae0826a4db;p=dpdk.git

virtio: check for ip checksum offload

This driver does not support receive IP checksum offload,
therefore must check and return error if configured incorrectly.

Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
Acked-by: Alan Carew <alan.carew@intel.com>
---

diff --git a/lib/librte_pmd_virtio/virtio_ethdev.c b/lib/librte_pmd_virtio/virtio_ethdev.c
index 5af71bdf72..6688ac7390 100644
--- a/lib/librte_pmd_virtio/virtio_ethdev.c
+++ b/lib/librte_pmd_virtio/virtio_ethdev.c
@@ -926,8 +926,17 @@ virtio_dev_tx_queue_release(__rte_unused void *txq)
  * It returns 0 on success.
  */
 static int
-virtio_dev_configure(__rte_unused struct rte_eth_dev *dev)
+virtio_dev_configure(struct rte_eth_dev *dev)
 {
+	const struct rte_eth_rxmode *rxmode = &dev->data->dev_conf.rxmode;
+
+	PMD_INIT_LOG(DEBUG, "configure");
+
+	if (rxmode->hw_ip_checksum) {
+		PMD_DRV_LOG(ERR, "HW IP checksum not supported");
+		return (-EINVAL);
+	}
+
 	return 0;
 }