From patchwork Thu Dec 15 21:04:55 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Qi Zhang X-Patchwork-Id: 18010 X-Patchwork-Delegate: ferruh.yigit@amd.com Return-Path: X-Original-To: patchwork@dpdk.org Delivered-To: patchwork@dpdk.org Received: from [92.243.14.124] (localhost [IPv6:::1]) by dpdk.org (Postfix) with ESMTP id 84A0B5591; Fri, 16 Dec 2016 05:09:38 +0100 (CET) Received: from mga05.intel.com (mga05.intel.com [192.55.52.43]) by dpdk.org (Postfix) with ESMTP id 8435637B7 for ; Fri, 16 Dec 2016 05:08:42 +0100 (CET) Received: from fmsmga006.fm.intel.com ([10.253.24.20]) by fmsmga105.fm.intel.com with ESMTP; 15 Dec 2016 20:08:42 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.33,355,1477983600"; d="scan'208";a="43201939" Received: from unknown (HELO localhost.localdomain.sh.intel.com) ([10.239.129.189]) by fmsmga006.fm.intel.com with ESMTP; 15 Dec 2016 20:08:41 -0800 From: Qi Zhang To: jingjing.wu@intel.com, helin.zhang@intel.com Cc: dev@dpdk.org, Wenzhuo Lu Date: Thu, 15 Dec 2016 16:04:55 -0500 Message-Id: <1481835919-36488-6-git-send-email-qi.z.zhang@intel.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1481835919-36488-1-git-send-email-qi.z.zhang@intel.com> References: <1481835919-36488-1-git-send-email-qi.z.zhang@intel.com> Subject: [dpdk-dev] [PATCH v3 05/29] net/i40e: set Tx loopback from PF X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" From: Wenzhuo Lu Support enabling/disabling TX loopback from PF. User can call the API on PF to enable/disable TX loopback for all the PF and VFs. Signed-off-by: Wenzhuo Lu --- drivers/net/i40e/i40e_ethdev.c | 219 ++++++++++++++++++++++++++++++ drivers/net/i40e/rte_pmd_i40e.h | 16 +++ drivers/net/i40e/rte_pmd_i40e_version.map | 1 + 3 files changed, 236 insertions(+) diff --git a/drivers/net/i40e/i40e_ethdev.c b/drivers/net/i40e/i40e_ethdev.c index 77be98b..89f5784 100644 --- a/drivers/net/i40e/i40e_ethdev.c +++ b/drivers/net/i40e/i40e_ethdev.c @@ -9898,3 +9898,222 @@ rte_pmd_i40e_set_vf_vlan_anti_spoof(uint8_t port, uint16_t vf_id, uint8_t on) return ret; } + +static int +i40e_vsi_rm_mac_filter(struct i40e_vsi *vsi) +{ + struct i40e_mac_filter *f; + struct i40e_macvlan_filter *mv_f; + int i, vlan_num; + enum rte_mac_filter_type filter_type; + int ret = I40E_SUCCESS; + + /* remove all the MACs */ + TAILQ_FOREACH(f, &vsi->mac_list, next) { + vlan_num = vsi->vlan_num; + filter_type = f->mac_info.filter_type; + if (filter_type == RTE_MACVLAN_PERFECT_MATCH || + filter_type == RTE_MACVLAN_HASH_MATCH) { + if (vlan_num == 0) { + PMD_DRV_LOG(ERR, + "VLAN number shouldn't be 0\n"); + return I40E_ERR_PARAM; + } + } else if (filter_type == RTE_MAC_PERFECT_MATCH || + filter_type == RTE_MAC_HASH_MATCH) + vlan_num = 1; + + mv_f = rte_zmalloc("macvlan_data", vlan_num * sizeof(*mv_f), 0); + if (!mv_f) { + PMD_DRV_LOG(ERR, "failed to allocate memory"); + return I40E_ERR_NO_MEMORY; + } + + for (i = 0; i < vlan_num; i++) { + mv_f[i].filter_type = filter_type; + (void)rte_memcpy(&mv_f[i].macaddr, + &f->mac_info.mac_addr, + ETH_ADDR_LEN); + } + if (filter_type == RTE_MACVLAN_PERFECT_MATCH || + filter_type == RTE_MACVLAN_HASH_MATCH) { + ret = i40e_find_all_vlan_for_mac(vsi, mv_f, vlan_num, + &f->mac_info.mac_addr); + if (ret != I40E_SUCCESS) { + rte_free(mv_f); + return ret; + } + } + + ret = i40e_remove_macvlan_filters(vsi, mv_f, vlan_num); + if (ret != I40E_SUCCESS) { + rte_free(mv_f); + return ret; + } + + rte_free(mv_f); + ret = I40E_SUCCESS; + } + + return ret; +} + +static int +i40e_vsi_restore_mac_filter(struct i40e_vsi *vsi) +{ + struct i40e_mac_filter *f; + struct i40e_macvlan_filter *mv_f; + int i, vlan_num = 0; + int ret = I40E_SUCCESS; + + /* restore all the MACs */ + TAILQ_FOREACH(f, &vsi->mac_list, next) { + if ((f->mac_info.filter_type == RTE_MACVLAN_PERFECT_MATCH) || + (f->mac_info.filter_type == RTE_MACVLAN_HASH_MATCH)) { + /** + * If vlan_num is 0, that's the first time to add mac, + * set mask for vlan_id 0. + */ + if (vsi->vlan_num == 0) { + i40e_set_vlan_filter(vsi, 0, 1); + vsi->vlan_num = 1; + } + vlan_num = vsi->vlan_num; + } else if ((f->mac_info.filter_type == RTE_MAC_PERFECT_MATCH) || + (f->mac_info.filter_type == RTE_MAC_HASH_MATCH)) + vlan_num = 1; + + mv_f = rte_zmalloc("macvlan_data", vlan_num * sizeof(*mv_f), 0); + if (!mv_f) { + PMD_DRV_LOG(ERR, "failed to allocate memory"); + return I40E_ERR_NO_MEMORY; + } + + for (i = 0; i < vlan_num; i++) { + mv_f[i].filter_type = f->mac_info.filter_type; + (void)rte_memcpy(&mv_f[i].macaddr, + &f->mac_info.mac_addr, + ETH_ADDR_LEN); + } + + if (f->mac_info.filter_type == RTE_MACVLAN_PERFECT_MATCH || + f->mac_info.filter_type == RTE_MACVLAN_HASH_MATCH) { + ret = i40e_find_all_vlan_for_mac(vsi, mv_f, vlan_num, + &f->mac_info.mac_addr); + if (ret != I40E_SUCCESS) { + rte_free(mv_f); + return ret; + } + } + + ret = i40e_add_macvlan_filters(vsi, mv_f, vlan_num); + if (ret != I40E_SUCCESS) { + rte_free(mv_f); + return ret; + } + + rte_free(mv_f); + ret = I40E_SUCCESS; + } + + return ret; +} + +static int +i40e_vsi_set_tx_loopback(struct i40e_vsi *vsi, uint8_t on) +{ + struct i40e_vsi_context ctxt; + struct i40e_hw *hw; + int ret; + + hw = I40E_VSI_TO_HW(vsi); + + /* Use the FW API if FW >= v5.0 */ + if (hw->aq.fw_maj_ver < 5) { + PMD_INIT_LOG(ERR, "FW < v5.0, cannot enable loopback"); + return -ENOTSUP; + } + + /* Check if it has been already on or off */ + if (vsi->info.valid_sections & + rte_cpu_to_le_16(I40E_AQ_VSI_PROP_SWITCH_VALID)) { + if (on) { + if ((vsi->info.switch_id & + I40E_AQ_VSI_SW_ID_FLAG_ALLOW_LB) == + I40E_AQ_VSI_SW_ID_FLAG_ALLOW_LB) + return 0; /* already on */ + } else { + if ((vsi->info.switch_id & + I40E_AQ_VSI_SW_ID_FLAG_ALLOW_LB) == 0) + return 0; /* already off */ + } + } + + /* remove all the MACs first */ + ret = i40e_vsi_rm_mac_filter(vsi); + if (ret) + return ret; + + vsi->info.valid_sections = cpu_to_le16(I40E_AQ_VSI_PROP_SWITCH_VALID); + if (on) + vsi->info.switch_id |= I40E_AQ_VSI_SW_ID_FLAG_ALLOW_LB; + else + vsi->info.switch_id &= ~I40E_AQ_VSI_SW_ID_FLAG_ALLOW_LB; + + memset(&ctxt, 0, sizeof(ctxt)); + (void)rte_memcpy(&ctxt.info, &vsi->info, sizeof(vsi->info)); + ctxt.seid = vsi->seid; + + ret = i40e_aq_update_vsi_params(hw, &ctxt, NULL); + if (ret != I40E_SUCCESS) { + PMD_DRV_LOG(ERR, "Failed to update VSI params"); + return ret; + } + + /* add all the MACs back */ + ret = i40e_vsi_restore_mac_filter(vsi); + if (ret) + return ret; + + return ret; +} + +int +rte_pmd_i40e_set_tx_loopback(uint8_t port, uint8_t on) +{ + struct rte_eth_dev *dev; + struct i40e_pf *pf; + struct i40e_pf_vf *vf; + struct i40e_vsi *vsi; + uint16_t vf_id; + int ret; + + RTE_ETH_VALID_PORTID_OR_ERR_RET(port, -ENODEV); + + dev = &rte_eth_devices[port]; + + pf = I40E_DEV_PRIVATE_TO_PF(dev->data->dev_private); + + /* setup PF TX loopback */ + vsi = pf->main_vsi; + ret = i40e_vsi_set_tx_loopback(vsi, on); + if (ret) + return ret; + + /* setup TX loopback for all the VFs */ + if (!pf->vfs) { + PMD_DRV_LOG(ERR, "Invalid argument."); + return -EINVAL; + } + + for (vf_id = 0; vf_id < pf->vf_num; vf_id++) { + vf = &pf->vfs[vf_id]; + vsi = vf->vsi; + + ret = i40e_vsi_set_tx_loopback(vsi, on); + if (ret) + return ret; + } + + return ret; +} diff --git a/drivers/net/i40e/rte_pmd_i40e.h b/drivers/net/i40e/rte_pmd_i40e.h index c8736c8..3c65be4 100644 --- a/drivers/net/i40e/rte_pmd_i40e.h +++ b/drivers/net/i40e/rte_pmd_i40e.h @@ -114,4 +114,20 @@ int rte_pmd_i40e_set_vf_vlan_anti_spoof(uint8_t port, uint16_t vf_id, uint8_t on); +/** + * Enable/Disable TX loopback on all the PF and VFs. + * + * @param port + * The port identifier of the Ethernet device. + * @param on + * 1 - Enable TX loopback. + * 0 - Disable TX loopback. + * @return + * - (0) if successful. + * - (-ENODEV) if *port* invalid. + * - (-EINVAL) if bad parameter. + */ +int rte_pmd_i40e_set_tx_loopback(uint8_t port, + uint8_t on); + #endif /* _PMD_I40E_H_ */ diff --git a/drivers/net/i40e/rte_pmd_i40e_version.map b/drivers/net/i40e/rte_pmd_i40e_version.map index fff6cf9..3da04d3 100644 --- a/drivers/net/i40e/rte_pmd_i40e_version.map +++ b/drivers/net/i40e/rte_pmd_i40e_version.map @@ -9,4 +9,5 @@ DPDK_17.02 { rte_pmd_i40e_ping_vfs; rte_pmd_i40e_set_vf_mac_anti_spoof; rte_pmd_i40e_set_vf_vlan_anti_spoof; + rte_pmd_i40e_set_tx_loopback; } DPDK_2.0;