From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from dpdk.org (dpdk.org [92.243.14.124]) by dpdk.space (Postfix) with ESMTP id 21FD6A05D3 for ; Thu, 23 May 2019 11:20:32 +0200 (CEST) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 2A40D2B9E; Thu, 23 May 2019 11:20:30 +0200 (CEST) Received: from mga17.intel.com (mga17.intel.com [192.55.52.151]) by dpdk.org (Postfix) with ESMTP id 1BF78A3 for ; Thu, 23 May 2019 11:20:27 +0200 (CEST) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by fmsmga107.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 23 May 2019 02:20:27 -0700 X-ExtLoop1: 1 Received: from dipei-st-npg.sh.intel.com ([10.67.110.220]) by fmsmga001.fm.intel.com with ESMTP; 23 May 2019 02:20:25 -0700 From: Andy Pei To: dev@dpdk.org Cc: andy.pei@intel.com, roy.fan.zhang@intel.com, qi.z.zhang@intel.com, jingjing.wu@intel.com, beilei.xing@intel.com, ferruh.yigit@intel.com, rosen.xu@intel.com Date: Thu, 23 May 2019 17:14:35 +0800 Message-Id: <1558602875-429451-1-git-send-email-andy.pei@intel.com> X-Mailer: git-send-email 1.8.3.1 Subject: [dpdk-dev] [PATCH] net/i40e: i40e rework for ipn3ke 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" Add switch_mode argument for i40e PF to specify the specific FPGA that i40e PF is connected to. i40e PF get link status update via the connected FPGA. Fixes: c60869e2b742 ("net/i40e: fix link status update") Cc: roy.fan.zhang@intel.com Cc: qi.z.zhang@intel.com Cc: jingjing.wu@intel.com Cc: beilei.xing@intel.com Cc: ferruh.yigit@intel.com Cc: rosen.xu@intel.com Signed-off-by: Andy Pei --- drivers/net/i40e/i40e_ethdev.c | 128 +++++++++++++++++++++++++++++++++++++++-- 1 file changed, 122 insertions(+), 6 deletions(-) diff --git a/drivers/net/i40e/i40e_ethdev.c b/drivers/net/i40e/i40e_ethdev.c index cab440f..9873ea0 100644 --- a/drivers/net/i40e/i40e_ethdev.c +++ b/drivers/net/i40e/i40e_ethdev.c @@ -39,11 +39,12 @@ #include "i40e_regs.h" #include "rte_pmd_i40e.h" -#define ETH_I40E_FLOATING_VEB_ARG "enable_floating_veb" -#define ETH_I40E_FLOATING_VEB_LIST_ARG "floating_veb_list" -#define ETH_I40E_SUPPORT_MULTI_DRIVER "support-multi-driver" -#define ETH_I40E_QUEUE_NUM_PER_VF_ARG "queue-num-per-vf" -#define ETH_I40E_USE_LATEST_VEC "use-latest-supported-vec" +#define ETH_I40E_FLOATING_VEB_ARG "enable_floating_veb" +#define ETH_I40E_FLOATING_VEB_LIST_ARG "floating_veb_list" +#define ETH_I40E_SUPPORT_MULTI_DRIVER "support-multi-driver" +#define ETH_I40E_QUEUE_NUM_PER_VF_ARG "queue-num-per-vf" +#define ETH_I40E_USE_LATEST_VEC "use-latest-supported-vec" +#define ETH_I40E_SWITCH_MODE_ARG "switch_mode" #define I40E_CLEAR_PXE_WAIT_MS 200 @@ -410,6 +411,7 @@ static int i40e_sw_tunnel_filter_insert(struct i40e_pf *pf, ETH_I40E_SUPPORT_MULTI_DRIVER, ETH_I40E_QUEUE_NUM_PER_VF_ARG, ETH_I40E_USE_LATEST_VEC, + ETH_I40E_SWITCH_MODE_ARG, NULL}; static const struct rte_pci_id pci_id_i40e_map[] = { @@ -2784,6 +2786,80 @@ void i40e_flex_payload_reg_set_default(struct i40e_hw *hw) } } +static int +i40e_pf_parse_switch_mode(const char *key __rte_unused, + const char *value, void *extra_args) +{ + if (!value || !extra_args) + return -EINVAL; + + *(char **)extra_args = strdup(value); + + if (!*(char **)extra_args) + return -ENOMEM; + + return 0; +} + +static void +i40e_pf_switch_mode_link_update(const char *cfg_str, + struct rte_eth_dev **switch_ethdev) +{ + char switch_name[RTE_ETH_NAME_MAX_LEN] = {0}; + char port_name[RTE_ETH_NAME_MAX_LEN] = {0}; + char switch_ethdev_name[RTE_ETH_NAME_MAX_LEN] = {0}; + uint16_t port_id; + const char *p_src; + char *p_dst; + int ret = -1; + + /* An example of cfg_str is "IPN3KE_0@b3:00.0_0" */ + if (!strncmp(cfg_str, "IPN3KE", strlen("IPN3KE"))) { + p_src = cfg_str; + PMD_DRV_LOG(DEBUG, "cfg_str is %s", cfg_str); + + /* move over "IPN3KE" */ + while ((*p_src != '_') && (*p_src)) + p_src++; + + /* move over the first underline */ + p_src++; + + p_dst = switch_name; + while ((*p_src != '_') && (*p_src)) { + if (*p_src == '@') { + *p_dst++ = '|'; + p_src++; + } else + *p_dst++ = *p_src++; + } + *p_dst = 0; + PMD_DRV_LOG(DEBUG, "switch_name is %s", switch_name); + + /* move over the second underline */ + p_src++; + + p_dst = port_name; + while (*p_src) + *p_dst++ = *p_src++; + *p_dst = 0; + PMD_DRV_LOG(DEBUG, "port_name is %s", port_name); + + snprintf(switch_ethdev_name, sizeof(switch_ethdev_name), + "net_%s_representor_%s", switch_name, port_name); + PMD_DRV_LOG(DEBUG, "switch_ethdev_name is %s", + switch_ethdev_name); + + ret = rte_eth_dev_get_port_by_name(switch_ethdev_name, + &port_id); + if (ret) + *switch_ethdev = NULL; + else + *switch_ethdev = &rte_eth_devices[port_id]; + } else + *switch_ethdev = NULL; +} + int i40e_dev_link_update(struct rte_eth_dev *dev, int wait_to_complete) @@ -2792,6 +2868,11 @@ void i40e_flex_payload_reg_set_default(struct i40e_hw *hw) struct rte_eth_link link; bool enable_lse = dev->data->dev_conf.intr_conf.lsc ? true : false; int ret; + struct rte_devargs *devargs; + struct rte_kvargs *kvlist = NULL; + struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev); + struct rte_eth_dev *switch_ethdev; + char *switch_cfg_str = NULL; memset(&link, 0, sizeof(link)); @@ -2805,6 +2886,40 @@ void i40e_flex_payload_reg_set_default(struct i40e_hw *hw) else update_link_aq(hw, &link, enable_lse, wait_to_complete); + devargs = pci_dev->device.devargs; + if (devargs) { + kvlist = rte_kvargs_parse(devargs->args, valid_keys); + if (kvlist != NULL) { + if (rte_kvargs_count(kvlist, ETH_I40E_SWITCH_MODE_ARG) + == 1) { + if (!rte_kvargs_process(kvlist, + ETH_I40E_SWITCH_MODE_ARG, + &i40e_pf_parse_switch_mode, + &switch_cfg_str)) { + + i40e_pf_switch_mode_link_update( + switch_cfg_str, + &switch_ethdev); + + if (switch_ethdev) { + rte_eth_linkstatus_get( + switch_ethdev, + &link); + } else { + link.link_duplex = + ETH_LINK_FULL_DUPLEX; + link.link_autoneg = + ETH_LINK_SPEED_FIXED; + link.link_speed = + ETH_SPEED_NUM_25G; + link.link_status = 0; + } + } + } + rte_kvargs_free(kvlist); + } + } + ret = rte_eth_linkstatus_set(dev, &link); i40e_notify_all_vfs_link_status(dev); @@ -12790,4 +12905,5 @@ struct i40e_customized_pctype* ETH_I40E_FLOATING_VEB_LIST_ARG "=" ETH_I40E_QUEUE_NUM_PER_VF_ARG "=1|2|4|8|16" ETH_I40E_SUPPORT_MULTI_DRIVER "=1" - ETH_I40E_USE_LATEST_VEC "=0|1"); + ETH_I40E_USE_LATEST_VEC "=0|1" + ETH_I40E_SWITCH_MODE_ARG "=IPN3KE"); -- 1.8.3.1