From patchwork Wed Aug 11 12:05:25 2010 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: amit salecha X-Patchwork-Id: 61477 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id B01E8B70A6 for ; Wed, 11 Aug 2010 22:05:43 +1000 (EST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751856Ab0HKMFl (ORCPT ); Wed, 11 Aug 2010 08:05:41 -0400 Received: from mvnat01.qlogic.com ([198.186.3.73]:61749 "HELO unm84.unmin.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with SMTP id S1751652Ab0HKMFa (ORCPT ); Wed, 11 Aug 2010 08:05:30 -0400 Received: by unm84.unmin.com (Postfix, from userid 787) id BE169E8B76; Wed, 11 Aug 2010 05:05:29 -0700 (PDT) From: Amit Kumar Salecha To: davem@davemloft.net Cc: netdev@vger.kernel.org, ameen.rahman@qlogic.com Subject: [PATCH NEXT 4/8] qlcnic: add eswitch statistics support Date: Wed, 11 Aug 2010 05:05:25 -0700 Message-Id: <1281528329-8812-5-git-send-email-amit.salecha@qlogic.com> X-Mailer: git-send-email 1.6.0.2 In-Reply-To: <1281528329-8812-1-git-send-email-amit.salecha@qlogic.com> References: <1281528329-8812-1-git-send-email-amit.salecha@qlogic.com> Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Adding eswitch statistics support. User can get whole eswitch stats or stats of func belong to that eswitch. Added: o command to get statistics of eswitch and function. o sysfs support to export eswitch and func statatistics. Signed-off-by: Amit Kumar Salecha --- drivers/net/qlcnic/qlcnic.h | 33 ++++++++++ drivers/net/qlcnic/qlcnic_ctx.c | 125 ++++++++++++++++++++++++++++++++++++ drivers/net/qlcnic/qlcnic_main.c | 132 +++++++++++++++++++++++++++++++++++++- 3 files changed, 289 insertions(+), 1 deletions(-) diff --git a/drivers/net/qlcnic/qlcnic.h b/drivers/net/qlcnic/qlcnic.h index 9703893..ae02b53 100644 --- a/drivers/net/qlcnic/qlcnic.h +++ b/drivers/net/qlcnic/qlcnic.h @@ -555,6 +555,7 @@ struct qlcnic_recv_context { #define QLCNIC_CDRP_CMD_GET_ESWITCH_STATUS 0x00000026 #define QLCNIC_CDRP_CMD_SET_PORTMIRRORING 0x00000027 #define QLCNIC_CDRP_CMD_CONFIGURE_ESWITCH 0x00000028 +#define QLCNIC_CDRP_CMD_GET_ESWITCH_STATS 0x0000002a #define QLCNIC_RCODE_SUCCESS 0 #define QLCNIC_RCODE_TIMEOUT 17 @@ -1126,6 +1127,33 @@ struct qlcnic_esw_func_cfg { u8 reserved; }; +#define QLCNIC_STATS_VERSION 1 +#define QLCNIC_STATS_PORT 1 +#define QLCNIC_STATS_ESWITCH 2 +#define QLCNIC_QUERY_RX_COUNTER 0 +#define QLCNIC_QUERY_TX_COUNTER 1 +struct __qlcnic_esw_statistics { + + __le16 context_id; + __le16 version; + __le16 size; + __le16 unused; + + __le64 unicast_frames; + __le64 multicast_frames; + __le64 broadcast_frames; + __le64 dropped_frames; + __le64 errors; + __le64 local_frames; + __le64 numbytes; + __le64 rsvd[3]; +}; + +struct qlcnic_esw_statistics { + struct __qlcnic_esw_statistics rx; + struct __qlcnic_esw_statistics tx; +}; + int qlcnic_fw_cmd_query_phy(struct qlcnic_adapter *adapter, u32 reg, u32 *val); int qlcnic_fw_cmd_set_phy(struct qlcnic_adapter *adapter, u32 reg, u32 val); @@ -1252,6 +1280,11 @@ int qlcnic_toggle_eswitch(struct qlcnic_adapter *, u8, u8); int qlcnic_config_switch_port(struct qlcnic_adapter *, u8, int, u8, u8, u8, u8, u16); int qlcnic_config_port_mirroring(struct qlcnic_adapter *, u8, u8, u8); +int qlcnic_get_port_stats(struct qlcnic_adapter *, const u8, const u8, + struct __qlcnic_esw_statistics *); +int qlcnic_get_eswitch_stats(struct qlcnic_adapter *, const u8, u8, + struct __qlcnic_esw_statistics *); +int qlcnic_clear_esw_stats(struct qlcnic_adapter *adapter, u8, u8, u8); extern int qlcnic_config_tso; /* diff --git a/drivers/net/qlcnic/qlcnic_ctx.c b/drivers/net/qlcnic/qlcnic_ctx.c index cc5d861..57c9b09 100644 --- a/drivers/net/qlcnic/qlcnic_ctx.c +++ b/drivers/net/qlcnic/qlcnic_ctx.c @@ -983,3 +983,128 @@ int qlcnic_config_switch_port(struct qlcnic_adapter *adapter, u8 id, return err; } + +int qlcnic_get_port_stats(struct qlcnic_adapter *adapter, const u8 func, + const u8 rx_tx, struct __qlcnic_esw_statistics *esw_stats) { + + size_t stats_size = sizeof(struct __qlcnic_esw_statistics); + dma_addr_t stats_dma_t; + void *stats_addr; + u32 arg1; + int err; + + if (esw_stats == NULL) + return -ENOMEM; + + if (adapter->op_mode != QLCNIC_MGMT_FUNC && + func != adapter->ahw.pci_func) { + dev_err(&adapter->pdev->dev, + "Not privilege to query stats for func=%d", func); + return -EIO; + } + + stats_addr = pci_alloc_consistent(adapter->pdev, stats_size, + &stats_dma_t); + if (!stats_addr) { + dev_err(&adapter->pdev->dev, "Unable to allocate memory\n"); + return -ENOMEM; + } + memset(stats_addr, 0, stats_size); + + arg1 = func | QLCNIC_STATS_VERSION << 8 | QLCNIC_STATS_PORT << 12; + arg1 |= rx_tx << 15 | stats_size << 16; + + err = qlcnic_issue_cmd(adapter, + adapter->ahw.pci_func, + adapter->fw_hal_version, + arg1, + MSD(stats_dma_t), + LSD(stats_dma_t), + QLCNIC_CDRP_CMD_GET_ESWITCH_STATS); + + if (!err) + memcpy(esw_stats, stats_addr, stats_size); + + pci_free_consistent(adapter->pdev, stats_size, stats_addr, + stats_dma_t); + return err; +} + +int qlcnic_get_eswitch_stats(struct qlcnic_adapter *adapter, const u8 eswitch, + const u8 rx_tx, struct __qlcnic_esw_statistics *esw_stats) { + + struct __qlcnic_esw_statistics port_stats; + u8 i; + int ret = -EIO; + + if (esw_stats == NULL) + return -ENOMEM; + if (adapter->op_mode != QLCNIC_MGMT_FUNC) + return -EIO; + if (adapter->npars == NULL) + return -EIO; + + memset(esw_stats, 0, sizeof(struct __qlcnic_esw_statistics)); + esw_stats->context_id = eswitch; + + for (i = 0; i < QLCNIC_MAX_PCI_FUNC; i++) { + if (adapter->npars[i].phy_port != eswitch) + continue; + + memset(&port_stats, 0, sizeof(struct __qlcnic_esw_statistics)); + if (qlcnic_get_port_stats(adapter, i, rx_tx, &port_stats)) + continue; + + esw_stats->size = port_stats.size; + esw_stats->version = port_stats.version; + esw_stats->unicast_frames += port_stats.unicast_frames; + esw_stats->multicast_frames += port_stats.multicast_frames; + esw_stats->broadcast_frames += port_stats.broadcast_frames; + esw_stats->dropped_frames += port_stats.dropped_frames; + esw_stats->errors += port_stats.errors; + esw_stats->local_frames += port_stats.local_frames; + esw_stats->numbytes += port_stats.numbytes; + + ret = 0; + } + return ret; +} + +int qlcnic_clear_esw_stats(struct qlcnic_adapter *adapter, const u8 func_esw, + const u8 port, const u8 rx_tx) +{ + + u32 arg1; + + if (adapter->op_mode != QLCNIC_MGMT_FUNC) + return -EIO; + + if (func_esw == QLCNIC_STATS_PORT) { + if (port >= QLCNIC_MAX_PCI_FUNC) + goto err_ret; + } else if (func_esw == QLCNIC_STATS_ESWITCH) { + if (port >= QLCNIC_NIU_MAX_XG_PORTS) + goto err_ret; + } else { + goto err_ret; + } + + if (rx_tx > QLCNIC_QUERY_TX_COUNTER) + goto err_ret; + + arg1 = port | QLCNIC_STATS_VERSION << 8 | func_esw << 12; + arg1 |= BIT_14 | rx_tx << 15; + + return qlcnic_issue_cmd(adapter, + adapter->ahw.pci_func, + adapter->fw_hal_version, + arg1, + 0, + 0, + QLCNIC_CDRP_CMD_GET_ESWITCH_STATS); + +err_ret: + dev_err(&adapter->pdev->dev, "Invalid argument func_esw=%d port=%d" + "rx_ctx=%d\n", func_esw, port, rx_tx); + return -EIO; +} diff --git a/drivers/net/qlcnic/qlcnic_main.c b/drivers/net/qlcnic/qlcnic_main.c index 49c8110..96e8e75 100644 --- a/drivers/net/qlcnic/qlcnic_main.c +++ b/drivers/net/qlcnic/qlcnic_main.c @@ -3368,6 +3368,115 @@ qlcnic_sysfs_read_npar_config(struct file *file, struct kobject *kobj, } static ssize_t +qlcnic_sysfs_get_port_stats(struct file *file, struct kobject *kobj, + struct bin_attribute *attr, char *buf, loff_t offset, size_t size) +{ + struct device *dev = container_of(kobj, struct device, kobj); + struct qlcnic_adapter *adapter = dev_get_drvdata(dev); + struct qlcnic_esw_statistics port_stats; + int ret; + + if (size != sizeof(struct qlcnic_esw_statistics)) + return QL_STATUS_INVALID_PARAM; + + if (offset >= QLCNIC_MAX_PCI_FUNC) + return QL_STATUS_INVALID_PARAM; + + memset(&port_stats, 0, size); + ret = qlcnic_get_port_stats(adapter, offset, QLCNIC_QUERY_RX_COUNTER, + &port_stats.rx); + if (ret) + return ret; + + ret = qlcnic_get_port_stats(adapter, offset, QLCNIC_QUERY_TX_COUNTER, + &port_stats.tx); + if (ret) + return ret; + + memcpy(buf, &port_stats, size); + return size; +} + +static ssize_t +qlcnic_sysfs_get_esw_stats(struct file *file, struct kobject *kobj, + struct bin_attribute *attr, char *buf, loff_t offset, size_t size) +{ + struct device *dev = container_of(kobj, struct device, kobj); + struct qlcnic_adapter *adapter = dev_get_drvdata(dev); + struct qlcnic_esw_statistics esw_stats; + int ret; + + if (size != sizeof(struct qlcnic_esw_statistics)) + return QL_STATUS_INVALID_PARAM; + + if (offset >= QLCNIC_NIU_MAX_XG_PORTS) + return QL_STATUS_INVALID_PARAM; + + memset(&esw_stats, 0, size); + ret = qlcnic_get_eswitch_stats(adapter, offset, QLCNIC_QUERY_RX_COUNTER, + &esw_stats.rx); + if (ret) + return ret; + + ret = qlcnic_get_eswitch_stats(adapter, offset, QLCNIC_QUERY_TX_COUNTER, + &esw_stats.tx); + if (ret) + return ret; + + memcpy(buf, &esw_stats, size); + return size; +} + +static ssize_t +qlcnic_sysfs_clear_esw_stats(struct file *file, struct kobject *kobj, + struct bin_attribute *attr, char *buf, loff_t offset, size_t size) +{ + struct device *dev = container_of(kobj, struct device, kobj); + struct qlcnic_adapter *adapter = dev_get_drvdata(dev); + int ret; + + if (offset >= QLCNIC_NIU_MAX_XG_PORTS) + return QL_STATUS_INVALID_PARAM; + + ret = qlcnic_clear_esw_stats(adapter, QLCNIC_STATS_ESWITCH, offset, + QLCNIC_QUERY_RX_COUNTER); + if (ret) + return ret; + + ret = qlcnic_clear_esw_stats(adapter, QLCNIC_STATS_ESWITCH, offset, + QLCNIC_QUERY_TX_COUNTER); + if (ret) + return ret; + + return size; +} + +static ssize_t +qlcnic_sysfs_clear_port_stats(struct file *file, struct kobject *kobj, + struct bin_attribute *attr, char *buf, loff_t offset, size_t size) +{ + + struct device *dev = container_of(kobj, struct device, kobj); + struct qlcnic_adapter *adapter = dev_get_drvdata(dev); + int ret; + + if (offset >= QLCNIC_MAX_PCI_FUNC) + return QL_STATUS_INVALID_PARAM; + + ret = qlcnic_clear_esw_stats(adapter, QLCNIC_STATS_PORT, offset, + QLCNIC_QUERY_RX_COUNTER); + if (ret) + return ret; + + ret = qlcnic_clear_esw_stats(adapter, QLCNIC_STATS_PORT, offset, + QLCNIC_QUERY_TX_COUNTER); + if (ret) + return ret; + + return size; +} + +static ssize_t qlcnic_sysfs_read_pci_config(struct file *file, struct kobject *kobj, struct bin_attribute *attr, char *buf, loff_t offset, size_t size) { @@ -3410,6 +3519,20 @@ static struct bin_attribute bin_attr_pci_config = { .write = NULL, }; +static struct bin_attribute bin_attr_port_stats = { + .attr = {.name = "port_stats", .mode = (S_IRUGO | S_IWUSR)}, + .size = 0, + .read = qlcnic_sysfs_get_port_stats, + .write = qlcnic_sysfs_clear_port_stats, +}; + +static struct bin_attribute bin_attr_esw_stats = { + .attr = {.name = "esw_stats", .mode = (S_IRUGO | S_IWUSR)}, + .size = 0, + .read = qlcnic_sysfs_get_esw_stats, + .write = qlcnic_sysfs_clear_esw_stats, +}; + static struct bin_attribute bin_attr_esw_config = { .attr = {.name = "esw_config", .mode = (S_IRUGO | S_IWUSR)}, .size = 0, @@ -3449,6 +3572,9 @@ qlcnic_create_diag_entries(struct qlcnic_adapter *adapter) { struct device *dev = &adapter->pdev->dev; + if (device_create_bin_file(dev, &bin_attr_port_stats)) + dev_info(dev, "failed to create port stats sysfs entry"); + if (adapter->op_mode == QLCNIC_NON_PRIV_FUNC) return; if (device_create_file(dev, &dev_attr_diag_mode)) @@ -3468,7 +3594,8 @@ qlcnic_create_diag_entries(struct qlcnic_adapter *adapter) dev_info(dev, "failed to create esw config sysfs entry"); if (device_create_bin_file(dev, &bin_attr_pm_config)) dev_info(dev, "failed to create pm config sysfs entry"); - + if (device_create_bin_file(dev, &bin_attr_esw_stats)) + dev_info(dev, "failed to create eswitch stats sysfs entry"); } static void @@ -3476,6 +3603,8 @@ qlcnic_remove_diag_entries(struct qlcnic_adapter *adapter) { struct device *dev = &adapter->pdev->dev; + device_remove_bin_file(dev, &bin_attr_port_stats); + if (adapter->op_mode == QLCNIC_NON_PRIV_FUNC) return; device_remove_file(dev, &dev_attr_diag_mode); @@ -3488,6 +3617,7 @@ qlcnic_remove_diag_entries(struct qlcnic_adapter *adapter) device_remove_bin_file(dev, &bin_attr_npar_config); device_remove_bin_file(dev, &bin_attr_esw_config); device_remove_bin_file(dev, &bin_attr_pm_config); + device_remove_bin_file(dev, &bin_attr_esw_stats); } #ifdef CONFIG_INET