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virtio: check for transmit checksum config error

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This driver does not support transmit checksum or vlan offload
therefore check for this when device is configured.

Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
Acked-by: Alan Carew <alan.carew@intel.com>
This commit is contained in:
Stephen Hemminger 2014-06-13 18:06:21 -07:00 committed by Thomas Monjalon
parent 403ac76b37
commit 61b16f0f16
1 changed files with 8 additions and 1 deletions
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9
lib/librte_pmd_virtio/virtio_rxtx.c
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@ -391,13 +391,20 @@ virtio_dev_tx_queue_setup(struct rte_eth_dev *dev,
uint16_t queue_idx,
uint16_t nb_desc,
unsigned int socket_id,
__rte_unused const struct rte_eth_txconf *tx_conf)
const struct rte_eth_txconf *tx_conf)
{
uint8_t vtpci_queue_idx = 2 * queue_idx + VTNET_SQ_TQ_QUEUE_IDX;
struct virtqueue *vq;
int ret;
PMD_INIT_FUNC_TRACE();
if ((tx_conf->txq_flags & ETH_TXQ_FLAGS_NOOFFLOADS)
!= ETH_TXQ_FLAGS_NOOFFLOADS) {
PMD_INIT_LOG(ERR, "TX checksum offload not supported\n");
return -EINVAL;
}
ret = virtio_dev_queue_setup(dev, VTNET_TQ, queue_idx, vtpci_queue_idx,
nb_desc, socket_id, &vq);
if (ret < 0) {