[dpdk-stable] [dpdk-dev] [PATCH] net/i40e: fix VSI MAC filter on primary address change
Igor Ryzhov
iryzhov at nfware.com
Fri Jan 5 13:34:45 CET 2018
Thank you for the patch! Comments inline.
On Wed, Jan 3, 2018 at 5:29 PM, Olivier Matz <olivier.matz at 6wind.com> wrote:
>
> drivers/net/i40e/i40e_ethdev.c | 29 +++++++++++++++++++++++++++++
> 1 file changed, 29 insertions(+)
>
> diff --git a/drivers/net/i40e/i40e_ethdev.c b/drivers/net/i40e/i40e_
> ethdev.c
> index 811cc9ffe..e7d070879 100644
> --- a/drivers/net/i40e/i40e_ethdev.c
> +++ b/drivers/net/i40e/i40e_ethdev.c
> @@ -10818,12 +10818,41 @@ static void i40e_set_default_mac_addr(struct
> rte_eth_dev *dev,
> struct ether_addr *mac_addr)
> {
> struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->
> data->dev_private);
> + struct i40e_pf *pf = I40E_DEV_PRIVATE_TO_PF(dev->
> data->dev_private);
> + struct i40e_vsi *vsi = pf->main_vsi;
> + struct i40e_mac_filter_info mac_filter;
> + struct i40e_mac_filter *f;
> + int ret;
>
> if (!is_valid_assigned_ether_addr(mac_addr)) {
> PMD_DRV_LOG(ERR, "Tried to set invalid MAC address.");
> return;
> }
>
>
Is following check really necessary here?
i40e_vsi_delete_mac(vsi, &pf->dev_addr) will do absolutely the same.
+ TAILQ_FOREACH(f, &vsi->mac_list, next) {
> + if (is_same_ether_addr(&pf->dev_addr,
> &f->mac_info.mac_addr))
> + break;
> + }
> +
> + if (f == NULL) {
> + PMD_DRV_LOG(ERR, "Failed to find filter for default mac");
> + return;
> + }
> +
> + mac_filter = f->mac_info;
> + ret = i40e_vsi_delete_mac(vsi, &mac_filter.mac_addr);
> + if (ret != I40E_SUCCESS) {
> + PMD_DRV_LOG(ERR, "Failed to delete mac filter");
> + return;
> + }
> + memcpy(&mac_filter.mac_addr, mac_addr, ETH_ADDR_LEN);
>
Shouldn't mac_filter.filter_type be set to RTE_MACVLAN_PERFECT_MATCH?
> + ret = i40e_vsi_add_mac(vsi, &mac_filter);
> + if (ret != I40E_SUCCESS) {
> + PMD_DRV_LOG(ERR, "Failed to add mac filter");
> + return;
> + }
> + memcpy(&pf->dev_addr, mac_addr, ETH_ADDR_LEN);
> +
> /* Flags: 0x3 updates port address */
>
In Linux driver I40E_AQC_WRITE_TYPE_LAA_WOL is used as a flag instead of
0x3.
Shouldn't we use the same flag?
> i40e_aq_mac_address_write(hw, 0x3, mac_addr->addr_bytes, NULL);
> }
> --
> 2.11.0
>
>
Best regards,
Igor
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