From mboxrd@z Thu Jan 1 00:00:00 1970 From: Zhe Tao Subject: [PATCH] i40e: add VEB switching support for i40e Date: Thu, 21 Jan 2016 14:49:44 +0800 Message-ID: <1453358984-20550-1-git-send-email-zhe.tao@intel.com> To: dev@dpdk.org Return-path: Received: from mga04.intel.com (mga04.intel.com [192.55.52.120]) by dpdk.org (Postfix) with ESMTP id 471CFDE6 for ; Thu, 21 Jan 2016 07:50:14 +0100 (CET) List-Id: patches and discussions about DPDK List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" VEB switching feature for i40e is used to enable the switching between the VSIs connect to the virtual bridge. The old implementation is setting the virtual bridge mode as VEPA which is port aggregation. Enable the switching ability by setting the loop back mode for the specific VSIs which connect to PF or VFs. Signed-off-by: Zhe Tao --- drivers/net/i40e/i40e_ethdev.c | 48 +++++++++++++++++++++++++++++++++++------- 1 file changed, 40 insertions(+), 8 deletions(-) diff --git a/drivers/net/i40e/i40e_ethdev.c b/drivers/net/i40e/i40e_ethdev.c index bf6220d..ba2ba9e 100644 --- a/drivers/net/i40e/i40e_ethdev.c +++ b/drivers/net/i40e/i40e_ethdev.c @@ -3822,6 +3822,39 @@ i40e_vsi_get_bw_config(struct i40e_vsi *vsi) return I40E_SUCCESS; } +/* 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, "cannot 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, @@ -3857,6 +3890,8 @@ 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); @@ -4029,14 +4064,11 @@ i40e_vsi_setup(struct i40e_pf *pf, ctxt.connection_type = 0x1; ctxt.flags = I40E_AQ_VSI_TYPE_VF; - /** - * Do not configure switch ID to enable VEB switch by - * I40E_AQ_VSI_SW_ID_FLAG_ALLOW_LB. Because in Fortville, - * 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. Need to enable it when HW issue - * is fixed. - */ + /* Configure switch ID */ + 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); /* Configure port/vlan */ ctxt.info.valid_sections |= -- 2.1.4