From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from dpdk.org (dpdk.org [92.243.14.124]) by inbox.dpdk.org (Postfix) with ESMTP id 92198A04A3; Tue, 16 Jun 2020 06:43:35 +0200 (CEST) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 5F0001BEB0; Tue, 16 Jun 2020 06:42:44 +0200 (CEST) Received: from mga02.intel.com (mga02.intel.com [134.134.136.20]) by dpdk.org (Postfix) with ESMTP id 9CEDC1BEB0 for ; Tue, 16 Jun 2020 06:42:42 +0200 (CEST) IronPort-SDR: HL1/dcHtgWS6JuN/9L8PZ64y0ItPoeBEbZnIOtn05auJbTIlk79ZOlSgb0nx/dt8vTAK63o5Pr XSGpOHDau7kg== X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga004.fm.intel.com ([10.253.24.48]) by orsmga101.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 15 Jun 2020 21:42:42 -0700 IronPort-SDR: GL16QVMYp0Gn3/Wb/+fKVqobselKgY5lLudACTXd4kC7v4lqhxcLuD3nwtKiTxjz+JgQvoou7/ a+QkqnoG6xRA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.73,517,1583222400"; d="scan'208";a="298764743" Received: from dpdk-xuting-main.sh.intel.com ([10.67.117.84]) by fmsmga004.fm.intel.com with ESMTP; 15 Jun 2020 21:42:39 -0700 From: Ting Xu To: dev@dpdk.org Cc: qi.z.zhang@intel.com, qiming.yang@intel.com, jingjing.wu@intel.com, beilei.xing@intel.com, marko.kovacevic@intel.com, john.mcnamara@intel.com, xiaolong.ye@intel.com Date: Tue, 16 Jun 2020 12:41:07 +0000 Message-Id: <20200616124112.108014-8-ting.xu@intel.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200616124112.108014-1-ting.xu@intel.com> References: <20200616124112.108014-1-ting.xu@intel.com> Subject: [dpdk-dev] [PATCH v3 07/12] net/ice: init RSS during DCF start 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: Qi Zhang Enable RSS initialization during DCF start. Add RSS LUT and RSS key configuration functions. Signed-off-by: Qi Zhang Signed-off-by: Ting Xu --- drivers/net/ice/ice_dcf.c | 117 +++++++++++++++++++++++++++++++ drivers/net/ice/ice_dcf.h | 1 + drivers/net/ice/ice_dcf_ethdev.c | 8 +++ 3 files changed, 126 insertions(+) diff --git a/drivers/net/ice/ice_dcf.c b/drivers/net/ice/ice_dcf.c index 93fabd5f7..f285323dd 100644 --- a/drivers/net/ice/ice_dcf.c +++ b/drivers/net/ice/ice_dcf.c @@ -708,3 +708,120 @@ ice_dcf_uninit_hw(struct rte_eth_dev *eth_dev, struct ice_dcf_hw *hw) rte_free(hw->rss_lut); rte_free(hw->rss_key); } + +static int +ice_dcf_configure_rss_key(struct ice_dcf_hw *hw) +{ + struct virtchnl_rss_key *rss_key; + struct dcf_virtchnl_cmd args; + int len, err; + + len = sizeof(*rss_key) + hw->vf_res->rss_key_size - 1; + rss_key = rte_zmalloc("rss_key", len, 0); + if (!rss_key) + return -ENOMEM; + + rss_key->vsi_id = hw->vsi_res->vsi_id; + rss_key->key_len = hw->vf_res->rss_key_size; + rte_memcpy(rss_key->key, hw->rss_key, hw->vf_res->rss_key_size); + + args.v_op = VIRTCHNL_OP_CONFIG_RSS_KEY; + args.req_msglen = len; + args.req_msg = (uint8_t *)rss_key; + args.rsp_msglen = 0; + args.rsp_buflen = 0; + args.rsp_msgbuf = NULL; + args.pending = 0; + + err = ice_dcf_execute_virtchnl_cmd(hw, &args); + if (err) + PMD_INIT_LOG(ERR, "Failed to execute OP_CONFIG_RSS_KEY"); + + rte_free(rss_key); + return err; +} + +static int +ice_dcf_configure_rss_lut(struct ice_dcf_hw *hw) +{ + struct virtchnl_rss_lut *rss_lut; + struct dcf_virtchnl_cmd args; + int len, err; + + len = sizeof(*rss_lut) + hw->vf_res->rss_lut_size - 1; + rss_lut = rte_zmalloc("rss_lut", len, 0); + if (!rss_lut) + return -ENOMEM; + + rss_lut->vsi_id = hw->vsi_res->vsi_id; + rss_lut->lut_entries = hw->vf_res->rss_lut_size; + rte_memcpy(rss_lut->lut, hw->rss_lut, hw->vf_res->rss_lut_size); + + args.v_op = VIRTCHNL_OP_CONFIG_RSS_LUT; + args.req_msglen = len; + args.req_msg = (uint8_t *)rss_lut; + args.rsp_msglen = 0; + args.rsp_buflen = 0; + args.rsp_msgbuf = NULL; + args.pending = 0; + + err = ice_dcf_execute_virtchnl_cmd(hw, &args); + if (err) + PMD_INIT_LOG(ERR, "Failed to execute OP_CONFIG_RSS_LUT"); + + rte_free(rss_lut); + return err; +} + +int +ice_dcf_init_rss(struct ice_dcf_hw *hw) +{ + struct rte_eth_dev *dev = hw->eth_dev; + struct rte_eth_rss_conf *rss_conf; + uint8_t i, j, nb_q; + int ret; + + rss_conf = &dev->data->dev_conf.rx_adv_conf.rss_conf; + nb_q = dev->data->nb_rx_queues; + + if (!(hw->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_RSS_PF)) { + PMD_DRV_LOG(DEBUG, "RSS is not supported"); + return -ENOTSUP; + } + if (dev->data->dev_conf.rxmode.mq_mode != ETH_MQ_RX_RSS) { + PMD_DRV_LOG(WARNING, "RSS is enabled by PF by default"); + /* set all lut items to default queue */ + memset(hw->rss_lut, 0, hw->vf_res->rss_lut_size); + return ice_dcf_configure_rss_lut(hw); + } + + /* In IAVF, RSS enablement is set by PF driver. It is not supported + * to set based on rss_conf->rss_hf. + */ + + /* configure RSS key */ + if (!rss_conf->rss_key) + /* Calculate the default hash key */ + for (i = 0; i < hw->vf_res->rss_key_size; i++) + hw->rss_key[i] = (uint8_t)rte_rand(); + else + rte_memcpy(hw->rss_key, rss_conf->rss_key, + RTE_MIN(rss_conf->rss_key_len, + hw->vf_res->rss_key_size)); + + /* init RSS LUT table */ + for (i = 0, j = 0; i < hw->vf_res->rss_lut_size; i++, j++) { + if (j >= nb_q) + j = 0; + hw->rss_lut[i] = j; + } + /* send virtchnnl ops to configure rss*/ + ret = ice_dcf_configure_rss_lut(hw); + if (ret) + return ret; + ret = ice_dcf_configure_rss_key(hw); + if (ret) + return ret; + + return 0; +} diff --git a/drivers/net/ice/ice_dcf.h b/drivers/net/ice/ice_dcf.h index dcb2a0283..eea4b286b 100644 --- a/drivers/net/ice/ice_dcf.h +++ b/drivers/net/ice/ice_dcf.h @@ -63,5 +63,6 @@ int ice_dcf_send_aq_cmd(void *dcf_hw, struct ice_aq_desc *desc, int ice_dcf_handle_vsi_update_event(struct ice_dcf_hw *hw); int ice_dcf_init_hw(struct rte_eth_dev *eth_dev, struct ice_dcf_hw *hw); void ice_dcf_uninit_hw(struct rte_eth_dev *eth_dev, struct ice_dcf_hw *hw); +int ice_dcf_init_rss(struct ice_dcf_hw *hw); #endif /* _ICE_DCF_H_ */ diff --git a/drivers/net/ice/ice_dcf_ethdev.c b/drivers/net/ice/ice_dcf_ethdev.c index 6d0f93ca7..e021d779a 100644 --- a/drivers/net/ice/ice_dcf_ethdev.c +++ b/drivers/net/ice/ice_dcf_ethdev.c @@ -133,6 +133,14 @@ ice_dcf_dev_start(struct rte_eth_dev *dev) return ret; } + if (hw->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_RSS_PF) { + ret = ice_dcf_init_rss(hw); + if (ret) { + PMD_DRV_LOG(ERR, "Failed to configure RSS"); + return ret; + } + } + dev->data->dev_link.link_status = ETH_LINK_UP; return 0; -- 2.17.1