From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jingjing Wu Subject: [PATCH 2/2] i40e: enable internal switch of pf Date: Thu, 29 Jan 2015 09:41:55 +0800 Message-ID: <1422495715-6450-3-git-send-email-jingjing.wu@intel.com> References: <1422495715-6450-1-git-send-email-jingjing.wu@intel.com> To: dev-VfR2kkLFssw@public.gmane.org Return-path: In-Reply-To: <1422495715-6450-1-git-send-email-jingjing.wu-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org> List-Id: patches and discussions about DPDK List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces-VfR2kkLFssw@public.gmane.org Sender: "dev" 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 --- 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