[dpdk-dev] [PATCH v2 1/5] net/virtio: prevent simple Tx path selection by default
Tiwei Bie
tiwei.bie at intel.com
Thu Jun 7 07:43:24 CEST 2018
On Wed, Jun 06, 2018 at 02:31:24PM +0200, Maxime Coquelin wrote:
[...]
> +
> +static int
> +virtio_dev_args(struct rte_eth_dev *dev)
> +{
> + struct rte_kvargs *kvlist;
> + struct rte_devargs *devargs;
> + const char *valid_args[] = {
> + VIRTIO_SIMPLE_TX_SUPPORT,
> + NULL,
> + };
> + int ret;
> + int i;
> +
> + devargs = dev->device->devargs;
> + if (!devargs)
> + return 0; /* return success */
> +
> + kvlist = rte_kvargs_parse(devargs->args, valid_args);
> + if (kvlist == NULL)
> + return -EINVAL;
Virtio-user has defined some other mandatory devargs.
The parse will fail when other devargs have been
specified.
> +
> + /* Process parameters. */
> + for (i = 0; (valid_args[i] != NULL); ++i) {
There is an extra space before the comment.
The () around `valid_args[i] != NULL` isn't necessary.
> + if (rte_kvargs_count(kvlist, valid_args[i])) {
> + ret = rte_kvargs_process(kvlist, valid_args[i],
> + virtio_dev_args_check, dev);
> + if (ret) {
> + rte_kvargs_free(kvlist);
> + return ret;
> + }
> + }
> + }
> + rte_kvargs_free(kvlist);
> +
> + return 0;
> +}
> +
[...]
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