[dpdk-dev] [PATCH v2 36/46] net/liquidio: add API to set MTU
Ferruh Yigit
ferruh.yigit at intel.com
Tue Mar 21 13:24:49 CET 2017
On 3/2/2017 11:32 AM, Shijith Thotton wrote:
> Signed-off-by: Shijith Thotton <shijith.thotton at caviumnetworks.com>
> Signed-off-by: Jerin Jacob <jerin.jacob at caviumnetworks.com>
> Signed-off-by: Derek Chickles <derek.chickles at caviumnetworks.com>
> Signed-off-by: Venkat Koppula <venkat.koppula at caviumnetworks.com>
> Signed-off-by: Srisivasubramanian S <ssrinivasan at caviumnetworks.com>
> Signed-off-by: Mallesham Jatharakonda <mjatharakonda at oneconvergence.com>
<...>
>
> static int
> +lio_dev_change_vf_mtu(struct rte_eth_dev *eth_dev, uint16_t new_mtu)
> +{
> + struct lio_device *lio_dev = LIO_DEV(eth_dev);
> +
> + PMD_INIT_FUNC_TRACE();
> +
> + if (!lio_dev->intf_open) {
> + lio_dev_err(lio_dev, "Port %d down, can't change MTU\n",
> + lio_dev->port_id);
> + return -EINVAL;
> + }
> +
> + /* Limit the MTU to make sure the ethernet packets are between
> + * ETHER_MIN_MTU bytes and PF's MTU
> + */
> + if ((new_mtu < ETHER_MIN_MTU) ||
> + (new_mtu > lio_dev->linfo.link.s.mtu)) {
> + lio_dev_err(lio_dev, "Invalid MTU: %d\n", new_mtu);
> + lio_dev_err(lio_dev, "Valid range %d and %d\n",
> + ETHER_MIN_MTU, lio_dev->linfo.link.s.mtu);
> + return -EINVAL;
> + }
> +
> + return 0;
> +}
Is this really sets the MTU?
"new_mtu" seems not used, except limit check, an lio_send_ctrl_pkt()
required perhaps?
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