On 1/29/2015 9:42 AM, Jingjing Wu wrote:
> This patch enables PF's internal switch by setting ALLOWLOOPBACK
> flag when VEB is created. With this patch, traffic from PF can be
> switched on the VEB.
>
> Signed-off-by: Jingjing Wu <jingjing.wu at intel.com>
> ---
> lib/librte_pmd_i40e/i40e_ethdev.c | 36 ++++++++++++++++++++++++++++++++++++
> 1 file changed, 36 insertions(+)
>
> diff --git a/lib/librte_pmd_i40e/i40e_ethdev.c
> b/lib/librte_pmd_i40e/i40e_ethdev.c
> index fe758c2..94fd36c 100644
> --- a/lib/librte_pmd_i40e/i40e_ethdev.c
> +++ b/lib/librte_pmd_i40e/i40e_ethdev.c
> @@ -2854,6 +2854,40 @@ 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);
Here does it need to be "|=" ? As ctxt.infowill be filled in
i40e_aq_get_vsi_params(), I don't know if it has other issue for
override this filled by "=".
Thanks,
Michael
> + 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,
> @@ -2889,6 +2923,8 @@ 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);
