[dpdk-dev] [PATCH] i40e: Enable multicast promiscuous mode when promiscuous mode enabled for i40e driver
Zhang, Helin
helin.zhang at intel.com
Fri Aug 15 03:49:12 CEST 2014
> -----Original Message-----
> From: dev [mailto:dev-bounces at dpdk.org] On Behalf Of Heng Ding
> Sent: Friday, August 15, 2014 9:48 AM
> To: dev at dpdk.org
> Subject: [dpdk-dev] [PATCH] i40e: Enable multicast promiscuous mode when
> promiscuous mode enabled for i40e driver
>
> From: Ding Heng <hengx.ding at intel.com>
>
> IPv6 will run NDP with multicast packets, but multicast packets will be filtered
> by i40e driver by default. So we need to enable multicast when promiscuous
> mode is on, or IPv6 will fail on these cards when running testpmd and kni app.
>
> Signed-off-by: Ding Heng <hengx.ding at intel.com>
> ---
> lib/librte_pmd_i40e/i40e_ethdev.c | 14 ++++++++++++++
> 1 file changed, 14 insertions(+)
>
> diff --git a/lib/librte_pmd_i40e/i40e_ethdev.c
> b/lib/librte_pmd_i40e/i40e_ethdev.c
> index 9ed31b5..539dae5 100644
> --- a/lib/librte_pmd_i40e/i40e_ethdev.c
> +++ b/lib/librte_pmd_i40e/i40e_ethdev.c
> @@ -755,6 +755,12 @@ i40e_dev_promiscuous_enable(struct rte_eth_dev
> *dev)
> true, NULL);
> if (status != I40E_SUCCESS)
> PMD_DRV_LOG(ERR, "Failed to enable unicast promiscuous\n");
> +
> + status = i40e_aq_set_vsi_multicast_promiscuous(hw, vsi->seid,
> + TRUE, NULL);
> + if (status != I40E_SUCCESS)
> + PMD_DRV_LOG(ERR, "Failed to enable multicast promiscuous\n");
> +
> }
>
> static void
> @@ -769,6 +775,11 @@ i40e_dev_promiscuous_disable(struct rte_eth_dev
> *dev)
> false, NULL);
> if (status != I40E_SUCCESS)
> PMD_DRV_LOG(ERR, "Failed to disable unicast promiscuous\n");
> +
> + status = i40e_aq_set_vsi_multicast_promiscuous(hw, vsi->seid,
> + false, NULL);
> + if (status != I40E_SUCCESS)
> + PMD_DRV_LOG(ERR, "Failed to disable multicast promiscuous\n");
> }
>
> static void
> @@ -792,6 +803,9 @@ i40e_dev_allmulticast_disable(struct rte_eth_dev
> *dev)
> struct i40e_vsi *vsi = pf->main_vsi;
> int ret;
>
> + if (dev->data->promiscuous == 1)
> + return; /* must remain in all_multicast mode */
> +
> ret = i40e_aq_set_vsi_multicast_promiscuous(hw,
> vsi->seid, FALSE, NULL);
> if (ret != I40E_SUCCESS)
> --
> 1.9.3
Reviewed-by: Helin Zhang <helin.zhang at intel.com>
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