[dpdk-dev] [PATCH] i40e: revert internal switch of PF
Wu, Jingjing
jingjing.wu at intel.com
Wed Mar 18 17:04:39 CET 2015
> -----Original Message-----
> From: Thomas Monjalon [mailto:thomas.monjalon at 6wind.com]
> Sent: Wednesday, March 18, 2015 3:07 AM
> To: Zhang, Helin
> Cc: dev at dpdk.org; Wu, Jingjing
> Subject: [PATCH] i40e: revert internal switch of PF
>
> VEB switching is blocking VF.
> If the source mac address of packet sent from VF is not listed in the
> VEB’s mac table, the VEB will switch the packet back to the VF.
> It's an hardware issue.
>
> Reverts: 2ccabd8cd1f6 ("i40e: enable internal switch of PF").
>
> Reported-by: Jingjing Wu <jingjing.wu at intel.com>
> Signed-off-by: Thomas Monjalon <thomas.monjalon at 6wind.com>
> ---
> lib/librte_pmd_i40e/i40e_ethdev.c | 36 ------------------------------------
> 1 file changed, 36 deletions(-)
>
> diff --git a/lib/librte_pmd_i40e/i40e_ethdev.c b/lib/librte_pmd_i40e/i40e_ethdev.c
> index 6888072..cf6685e 100644
> --- a/lib/librte_pmd_i40e/i40e_ethdev.c
> +++ b/lib/librte_pmd_i40e/i40e_ethdev.c
> @@ -2868,40 +2868,6 @@ i40e_vsi_dump_bw_config(struct i40e_vsi *vsi)
> return 0;
> }
>
> -/*
> - * i40e_enable_pf_lb
> - * @pf: pointer to the pf structure
> - *
> - * allow loopback on pf
> - */
> -static inline void
> -i40e_enable_pf_lb(struct i40e_pf *pf)
> -{
> - struct i40e_hw *hw = I40E_PF_TO_HW(pf);
> - struct i40e_vsi_context ctxt;
> - int ret;
> -
> - memset(&ctxt, 0, sizeof(ctxt));
> - ctxt.seid = pf->main_vsi_seid;
> - ctxt.pf_num = hw->pf_id;
> - ret = i40e_aq_get_vsi_params(hw, &ctxt, NULL);
> - if (ret) {
> - PMD_DRV_LOG(ERR, "couldn't get pf vsi config, err %d, aq_err %d",
> - ret, hw->aq.asq_last_status);
> - return;
> - }
> - ctxt.flags = I40E_AQ_VSI_TYPE_PF;
> - ctxt.info.valid_sections =
> - rte_cpu_to_le_16(I40E_AQ_VSI_PROP_SWITCH_VALID);
> - ctxt.info.switch_id |=
> - rte_cpu_to_le_16(I40E_AQ_VSI_SW_ID_FLAG_ALLOW_LB);
> -
> - ret = i40e_aq_update_vsi_params(hw, &ctxt, NULL);
> - if (ret)
> - PMD_DRV_LOG(ERR, "update vsi switch failed, aq_err=%d\n",
> - hw->aq.asq_last_status);
> -}
> -
> /* Setup a VSI */
> struct i40e_vsi *
> i40e_vsi_setup(struct i40e_pf *pf,
> @@ -2937,8 +2903,6 @@ i40e_vsi_setup(struct i40e_pf *pf,
> PMD_DRV_LOG(ERR, "VEB setup failed");
> return NULL;
> }
> - /* set ALLOWLOOPBACk on pf, when veb is created */
> - i40e_enable_pf_lb(pf);
> }
>
> vsi = rte_zmalloc("i40e_vsi", sizeof(struct i40e_vsi), 0);
> --
> 2.2.2
Acked-by: Jingjing Wu <jingjing.wu at intel.com>
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