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);
+ 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);
--
1.9.3
