From: Jitendra Kalsaria Date: Tue, 17 Dec 2013 14:01:54 +0000 (-0500) Subject: qlcnic: Support for 16 virtual NIC functions. X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=2f514c5260d18722d03305c5849a59c4a6e7dcaf;p=linux-beck.git qlcnic: Support for 16 virtual NIC functions. Extend virtual NIC functions from 8 to 16 for 84xx adapter. Signed-off-by: Jitendra Kalsaria Signed-off-by: Manish Chopra Signed-off-by: David S. Miller --- diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic.h b/drivers/net/ethernet/qlogic/qlcnic/qlcnic.h index 50c6a2374c86..f357e4ad639f 100644 --- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic.h +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic.h @@ -115,6 +115,10 @@ enum qlcnic_queue_type { #define QLCNIC_VNIC_MODE 0xFF #define QLCNIC_DEFAULT_MODE 0x0 +/* Virtual NIC function count */ +#define QLC_DEFAULT_VNIC_COUNT 8 +#define QLC_84XX_VNIC_COUNT 16 + /* * Following are the states of the Phantom. Phantom will set them and * Host will read to check if the fields are correct. @@ -374,7 +378,7 @@ struct qlcnic_rx_buffer { #define QLCNIC_INTR_DEFAULT 0x04 #define QLCNIC_CONFIG_INTR_COALESCE 3 -#define QLCNIC_DEV_INFO_SIZE 1 +#define QLCNIC_DEV_INFO_SIZE 2 struct qlcnic_nic_intr_coalesce { u8 type; @@ -462,8 +466,10 @@ struct qlcnic_hardware_context { u16 max_rx_ques; u16 max_mtu; u32 msg_enable; - u16 act_pci_func; + u16 total_nic_func; u16 max_pci_func; + u32 max_vnic_func; + u32 total_pci_func; u32 capabilities; u32 extra_capability[3]; @@ -857,7 +863,7 @@ struct qlcnic_mac_vlan_list { #define QLCNIC_FW_CAP2_HW_LRO_IPV6 BIT_3 #define QLCNIC_FW_CAPABILITY_SET_DRV_VER BIT_5 #define QLCNIC_FW_CAPABILITY_2_BEACON BIT_7 -#define QLCNIC_FW_CAPABILITY_2_PER_PORT_ESWITCH_CFG BIT_8 +#define QLCNIC_FW_CAPABILITY_2_PER_PORT_ESWITCH_CFG BIT_9 /* module types */ #define LINKEVENT_MODULE_NOT_PRESENT 1 @@ -1638,6 +1644,9 @@ int qlcnic_setup_netdev(struct qlcnic_adapter *, struct net_device *, int); void qlcnic_set_netdev_features(struct qlcnic_adapter *, struct qlcnic_esw_func_cfg *); void qlcnic_sriov_vf_schedule_multi(struct net_device *); +int qlcnic_is_valid_nic_func(struct qlcnic_adapter *, u8); +int qlcnic_get_pci_func_type(struct qlcnic_adapter *, u16, u16 *, u16 *, + u16 *); /* * QLOGIC Board information @@ -2150,4 +2159,12 @@ static inline bool qlcnic_83xx_vf_check(struct qlcnic_adapter *adapter) return (device == PCI_DEVICE_ID_QLOGIC_VF_QLE834X) ? true : false; } + +static inline u32 qlcnic_get_vnic_func_count(struct qlcnic_adapter *adapter) +{ + if (qlcnic_84xx_check(adapter)) + return QLC_84XX_VNIC_COUNT; + else + return QLC_DEFAULT_VNIC_COUNT; +} #endif /* __QLCNIC_H_ */ diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.c index ac184d0f155f..76a80a3b16c1 100644 --- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.c +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.c @@ -15,6 +15,7 @@ #define RSS_HASHTYPE_IP_TCP 0x3 #define QLC_83XX_FW_MBX_CMD 0 +#define QLC_SKIP_INACTIVE_PCI_REGS 7 static const struct qlcnic_mailbox_metadata qlcnic_83xx_mbx_tbl[] = { {QLCNIC_CMD_CONFIGURE_IP_ADDR, 6, 1}, @@ -34,7 +35,7 @@ static const struct qlcnic_mailbox_metadata qlcnic_83xx_mbx_tbl[] = { {QLCNIC_CMD_READ_MAX_MTU, 4, 2}, {QLCNIC_CMD_READ_MAX_LRO, 4, 2}, {QLCNIC_CMD_MAC_ADDRESS, 4, 3}, - {QLCNIC_CMD_GET_PCI_INFO, 1, 66}, + {QLCNIC_CMD_GET_PCI_INFO, 1, 129}, {QLCNIC_CMD_GET_NIC_INFO, 2, 19}, {QLCNIC_CMD_SET_NIC_INFO, 32, 1}, {QLCNIC_CMD_GET_ESWITCH_CAPABILITY, 4, 3}, @@ -637,7 +638,7 @@ int qlcnic_83xx_get_port_info(struct qlcnic_adapter *adapter) void qlcnic_83xx_set_mac_filter_count(struct qlcnic_adapter *adapter) { struct qlcnic_hardware_context *ahw = adapter->ahw; - u16 act_pci_fn = ahw->act_pci_func; + u16 act_pci_fn = ahw->total_nic_func; u16 count; ahw->max_mc_count = QLC_83XX_MAX_MC_COUNT; @@ -2293,11 +2294,37 @@ out: return err; } +int qlcnic_get_pci_func_type(struct qlcnic_adapter *adapter, u16 type, + u16 *nic, u16 *fcoe, u16 *iscsi) +{ + struct device *dev = &adapter->pdev->dev; + int err = 0; + + switch (type) { + case QLCNIC_TYPE_NIC: + (*nic)++; + break; + case QLCNIC_TYPE_FCOE: + (*fcoe)++; + break; + case QLCNIC_TYPE_ISCSI: + (*iscsi)++; + break; + default: + dev_err(dev, "%s: Unknown PCI type[%x]\n", + __func__, type); + err = -EIO; + } + + return err; +} + int qlcnic_83xx_get_pci_info(struct qlcnic_adapter *adapter, struct qlcnic_pci_info *pci_info) { struct qlcnic_hardware_context *ahw = adapter->ahw; struct device *dev = &adapter->pdev->dev; + u16 nic = 0, fcoe = 0, iscsi = 0; struct qlcnic_cmd_args cmd; int i, err = 0, j = 0; u32 temp; @@ -2308,16 +2335,20 @@ int qlcnic_83xx_get_pci_info(struct qlcnic_adapter *adapter, err = qlcnic_issue_cmd(adapter, &cmd); - ahw->act_pci_func = 0; + ahw->total_nic_func = 0; if (err == QLCNIC_RCODE_SUCCESS) { ahw->max_pci_func = cmd.rsp.arg[1] & 0xFF; - for (i = 2, j = 0; j < QLCNIC_MAX_PCI_FUNC; j++, pci_info++) { + for (i = 2, j = 0; j < ahw->max_vnic_func; j++, pci_info++) { pci_info->id = cmd.rsp.arg[i] & 0xFFFF; pci_info->active = (cmd.rsp.arg[i] & 0xFFFF0000) >> 16; i++; + if (!pci_info->active) { + i += QLC_SKIP_INACTIVE_PCI_REGS; + continue; + } pci_info->type = cmd.rsp.arg[i] & 0xFFFF; - if (pci_info->type == QLCNIC_TYPE_NIC) - ahw->act_pci_func++; + err = qlcnic_get_pci_func_type(adapter, pci_info->type, + &nic, &fcoe, &iscsi); temp = (cmd.rsp.arg[i] & 0xFFFF0000) >> 16; pci_info->default_port = temp; i++; @@ -2335,6 +2366,13 @@ int qlcnic_83xx_get_pci_info(struct qlcnic_adapter *adapter, err = -EIO; } + ahw->total_nic_func = nic; + ahw->total_pci_func = nic + fcoe + iscsi; + if (ahw->total_nic_func == 0 || ahw->total_pci_func == 0) { + dev_err(dev, "%s: Invalid function count: total nic func[%x], total pci func[%x]\n", + __func__, ahw->total_nic_func, ahw->total_pci_func); + err = -EIO; + } qlcnic_free_mbx_args(&cmd); return err; diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_vnic.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_vnic.c index 734d28602ac3..474320a5f0c1 100644 --- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_vnic.c +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_vnic.c @@ -107,7 +107,7 @@ static int qlcnic_83xx_init_mgmt_vnic(struct qlcnic_adapter *adapter) npar = adapter->npars; - for (i = 0; i < ahw->act_pci_func; i++, npar++) { + for (i = 0; i < ahw->total_nic_func; i++, npar++) { dev_info(dev, "id:%d active:%d type:%d port:%d min_bw:%d max_bw:%d mac_addr:%pM\n", npar->pci_func, npar->active, npar->type, npar->phy_port, npar->min_bw, npar->max_bw, @@ -115,7 +115,7 @@ static int qlcnic_83xx_init_mgmt_vnic(struct qlcnic_adapter *adapter) } dev_info(dev, "Max functions = %d, active functions = %d\n", - ahw->max_pci_func, ahw->act_pci_func); + ahw->max_pci_func, ahw->total_nic_func); if (qlcnic_83xx_set_vnic_opmode(adapter)) return err; diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_ctx.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_ctx.c index 859cb161fc63..64dcbf33d8f0 100644 --- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_ctx.c +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_ctx.c @@ -91,18 +91,6 @@ void qlcnic_free_mbx_args(struct qlcnic_cmd_args *cmd) cmd->rsp.arg = NULL; } -static int qlcnic_is_valid_nic_func(struct qlcnic_adapter *adapter, u8 pci_func) -{ - int i; - - for (i = 0; i < adapter->ahw->act_pci_func; i++) { - if (adapter->npars[i].pci_func == pci_func) - return i; - } - - return -1; -} - static u32 qlcnic_poll_rsp(struct qlcnic_adapter *adapter) { @@ -966,13 +954,15 @@ out_free_dma: int qlcnic_82xx_get_pci_info(struct qlcnic_adapter *adapter, struct qlcnic_pci_info *pci_info) { - int err = 0, i; + struct qlcnic_hardware_context *ahw = adapter->ahw; + size_t npar_size = sizeof(struct qlcnic_pci_info_le); + size_t pci_size = npar_size * ahw->max_vnic_func; + u16 nic = 0, fcoe = 0, iscsi = 0; + struct qlcnic_pci_info_le *npar; struct qlcnic_cmd_args cmd; dma_addr_t pci_info_dma_t; - struct qlcnic_pci_info_le *npar; void *pci_info_addr; - size_t npar_size = sizeof(struct qlcnic_pci_info_le); - size_t pci_size = npar_size * QLCNIC_MAX_PCI_FUNC; + int err = 0, i; pci_info_addr = dma_zalloc_coherent(&adapter->pdev->dev, pci_size, &pci_info_dma_t, GFP_KERNEL); @@ -989,14 +979,16 @@ int qlcnic_82xx_get_pci_info(struct qlcnic_adapter *adapter, cmd.req.arg[3] = pci_size; err = qlcnic_issue_cmd(adapter, &cmd); - adapter->ahw->act_pci_func = 0; + ahw->total_nic_func = 0; if (err == QLCNIC_RCODE_SUCCESS) { - for (i = 0; i < QLCNIC_MAX_PCI_FUNC; i++, npar++, pci_info++) { + for (i = 0; i < ahw->max_vnic_func; i++, npar++, pci_info++) { pci_info->id = le16_to_cpu(npar->id); pci_info->active = le16_to_cpu(npar->active); + if (!pci_info->active) + continue; pci_info->type = le16_to_cpu(npar->type); - if (pci_info->type == QLCNIC_TYPE_NIC) - adapter->ahw->act_pci_func++; + err = qlcnic_get_pci_func_type(adapter, pci_info->type, + &nic, &fcoe, &iscsi); pci_info->default_port = le16_to_cpu(npar->default_port); pci_info->tx_min_bw = @@ -1011,6 +1003,14 @@ int qlcnic_82xx_get_pci_info(struct qlcnic_adapter *adapter, err = -EIO; } + ahw->total_nic_func = nic; + ahw->total_pci_func = nic + fcoe + iscsi; + if (ahw->total_nic_func == 0 || ahw->total_pci_func == 0) { + dev_err(&adapter->pdev->dev, + "%s: Invalid function count: total nic func[%x], total pci func[%x]\n", + __func__, ahw->total_nic_func, ahw->total_pci_func); + err = -EIO; + } qlcnic_free_mbx_args(&cmd); out_free_dma: dma_free_coherent(&adapter->pdev->dev, pci_size, pci_info_addr, @@ -1203,7 +1203,7 @@ int qlcnic_get_eswitch_stats(struct qlcnic_adapter *adapter, const u8 eswitch, esw_stats->numbytes = QLCNIC_STATS_NOT_AVAIL; esw_stats->context_id = eswitch; - for (i = 0; i < adapter->ahw->act_pci_func; i++) { + for (i = 0; i < adapter->ahw->total_nic_func; i++) { if (adapter->npars[i].phy_port != eswitch) continue; @@ -1236,15 +1236,16 @@ int qlcnic_get_eswitch_stats(struct qlcnic_adapter *adapter, const u8 eswitch, int qlcnic_clear_esw_stats(struct qlcnic_adapter *adapter, const u8 func_esw, const u8 port, const u8 rx_tx) { + struct qlcnic_hardware_context *ahw = adapter->ahw; + struct qlcnic_cmd_args cmd; int err; u32 arg1; - struct qlcnic_cmd_args cmd; - if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC) + if (ahw->op_mode != QLCNIC_MGMT_FUNC) return -EIO; if (func_esw == QLCNIC_STATS_PORT) { - if (port >= QLCNIC_MAX_PCI_FUNC) + if (port >= ahw->max_vnic_func) goto err_ret; } else if (func_esw == QLCNIC_STATS_ESWITCH) { if (port >= QLCNIC_NIU_MAX_XG_PORTS) diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_ethtool.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_ethtool.c index b36c02fafcfd..022401f80065 100644 --- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_ethtool.c +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_ethtool.c @@ -221,7 +221,7 @@ static const u32 ext_diag_registers[] = { -1 }; -#define QLCNIC_MGMT_API_VERSION 2 +#define QLCNIC_MGMT_API_VERSION 3 #define QLCNIC_ETHTOOL_REGS_VER 4 static inline int qlcnic_get_ring_regs_len(struct qlcnic_adapter *adapter) @@ -519,6 +519,9 @@ qlcnic_get_regs(struct net_device *dev, struct ethtool_regs *regs, void *p) regs_buff[0] = (0xcafe0000 | (QLCNIC_DEV_INFO_SIZE & 0xffff)); regs_buff[1] = QLCNIC_MGMT_API_VERSION; + if (adapter->ahw->capabilities & QLC_83XX_ESWITCH_CAPABILITY) + regs_buff[2] = adapter->ahw->max_vnic_func; + if (qlcnic_82xx_check(adapter)) i = qlcnic_82xx_get_registers(adapter, regs_buff); else diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_hdr.h b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_hdr.h index d262211b03b3..34e467b239a1 100644 --- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_hdr.h +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_hdr.h @@ -698,7 +698,6 @@ struct qlcnic_legacy_intr_set { }; #define QLCNIC_MSIX_BASE 0x132110 -#define QLCNIC_MAX_PCI_FUNC 8 #define QLCNIC_MAX_VLAN_FILTERS 64 #define FLASH_ROM_WINDOW 0x42110030 diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c index 87f6111f2ab4..7bfbd428eb7f 100644 --- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c @@ -799,25 +799,26 @@ static void qlcnic_cleanup_pci_map(struct qlcnic_hardware_context *ahw) static int qlcnic_get_act_pci_func(struct qlcnic_adapter *adapter) { + struct qlcnic_hardware_context *ahw = adapter->ahw; struct qlcnic_pci_info *pci_info; int ret; if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) { - switch (adapter->ahw->port_type) { + switch (ahw->port_type) { case QLCNIC_GBE: - adapter->ahw->act_pci_func = QLCNIC_NIU_MAX_GBE_PORTS; + ahw->total_nic_func = QLCNIC_NIU_MAX_GBE_PORTS; break; case QLCNIC_XGBE: - adapter->ahw->act_pci_func = QLCNIC_NIU_MAX_XG_PORTS; + ahw->total_nic_func = QLCNIC_NIU_MAX_XG_PORTS; break; } return 0; } - if (adapter->ahw->op_mode == QLCNIC_MGMT_FUNC) + if (ahw->op_mode == QLCNIC_MGMT_FUNC) return 0; - pci_info = kcalloc(QLCNIC_MAX_PCI_FUNC, sizeof(*pci_info), GFP_KERNEL); + pci_info = kcalloc(ahw->max_vnic_func, sizeof(*pci_info), GFP_KERNEL); if (!pci_info) return -ENOMEM; @@ -845,12 +846,13 @@ static bool qlcnic_port_eswitch_cfg_capability(struct qlcnic_adapter *adapter) int qlcnic_init_pci_info(struct qlcnic_adapter *adapter) { + struct qlcnic_hardware_context *ahw = adapter->ahw; struct qlcnic_pci_info *pci_info; int i, id = 0, ret = 0, j = 0; u16 act_pci_func; u8 pfn; - pci_info = kcalloc(QLCNIC_MAX_PCI_FUNC, sizeof(*pci_info), GFP_KERNEL); + pci_info = kcalloc(ahw->max_vnic_func, sizeof(*pci_info), GFP_KERNEL); if (!pci_info) return -ENOMEM; @@ -858,7 +860,7 @@ int qlcnic_init_pci_info(struct qlcnic_adapter *adapter) if (ret) goto err_pci_info; - act_pci_func = adapter->ahw->act_pci_func; + act_pci_func = ahw->total_nic_func; adapter->npars = kzalloc(sizeof(struct qlcnic_npar_info) * act_pci_func, GFP_KERNEL); @@ -874,10 +876,10 @@ int qlcnic_init_pci_info(struct qlcnic_adapter *adapter) goto err_npars; } - for (i = 0; i < QLCNIC_MAX_PCI_FUNC; i++) { + for (i = 0; i < ahw->max_vnic_func; i++) { pfn = pci_info[i].id; - if (pfn >= QLCNIC_MAX_PCI_FUNC) { + if (pfn >= ahw->max_vnic_func) { ret = QL_STATUS_INVALID_PARAM; goto err_eswitch; } @@ -1344,7 +1346,7 @@ int qlcnic_set_default_offload_settings(struct qlcnic_adapter *adapter) if (adapter->need_fw_reset) return 0; - for (i = 0; i < adapter->ahw->act_pci_func; i++) { + for (i = 0; i < adapter->ahw->total_nic_func; i++) { if (!adapter->npars[i].eswitch_status) continue; @@ -1407,7 +1409,7 @@ int qlcnic_reset_npar_config(struct qlcnic_adapter *adapter) return 0; /* Set the NPAR config data after FW reset */ - for (i = 0; i < adapter->ahw->act_pci_func; i++) { + for (i = 0; i < adapter->ahw->total_nic_func; i++) { npar = &adapter->npars[i]; pci_func = npar->pci_func; if (!adapter->npars[i].eswitch_status) @@ -2036,7 +2038,7 @@ qlcnic_reset_context(struct qlcnic_adapter *adapter) void qlcnic_82xx_set_mac_filter_count(struct qlcnic_adapter *adapter) { struct qlcnic_hardware_context *ahw = adapter->ahw; - u16 act_pci_fn = ahw->act_pci_func; + u16 act_pci_fn = ahw->total_nic_func; u16 count; ahw->max_mc_count = QLCNIC_MAX_MC_COUNT; @@ -2288,7 +2290,8 @@ qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) goto err_out_free_wq; adapter->dev_rst_time = jiffies; - adapter->ahw->revision_id = pdev->revision; + ahw->revision_id = pdev->revision; + ahw->max_vnic_func = qlcnic_get_vnic_func_count(adapter); if (qlcnic_mac_learn == FDB_MAC_LEARN) adapter->fdb_mac_learn = true; else if (qlcnic_mac_learn == DRV_MAC_LEARN) @@ -2638,7 +2641,7 @@ void qlcnic_alloc_lb_filters_mem(struct qlcnic_adapter *adapter) if (adapter->fhash.fmax && adapter->fhash.fhead) return; - act_pci_func = adapter->ahw->act_pci_func; + act_pci_func = adapter->ahw->total_nic_func; spin_lock_init(&adapter->mac_learn_lock); spin_lock_init(&adapter->rx_mac_learn_lock); diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sysfs.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sysfs.c index 1a9f8a400e50..b5296672c447 100644 --- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sysfs.c +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sysfs.c @@ -360,10 +360,28 @@ static ssize_t qlcnic_sysfs_write_mem(struct file *filp, struct kobject *kobj, return size; } -static int qlcnic_is_valid_nic_func(struct qlcnic_adapter *adapter, u8 pci_func) +static u32 qlcnic_get_pci_func_count(struct qlcnic_adapter *adapter) { + struct qlcnic_hardware_context *ahw = adapter->ahw; + u32 count = 0; + + if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) + return ahw->total_nic_func; + + if (ahw->total_pci_func <= QLC_DEFAULT_VNIC_COUNT) + count = QLC_DEFAULT_VNIC_COUNT; + else + count = ahw->max_vnic_func; + + return count; +} + +int qlcnic_is_valid_nic_func(struct qlcnic_adapter *adapter, u8 pci_func) +{ + u32 pci_func_count = qlcnic_get_pci_func_count(adapter); int i; - for (i = 0; i < adapter->ahw->act_pci_func; i++) { + + for (i = 0; i < pci_func_count; i++) { if (adapter->npars[i].pci_func == pci_func) return i; } @@ -382,7 +400,6 @@ static int validate_pm_config(struct qlcnic_adapter *adapter, src_pci_func = pm_cfg[i].pci_func; dest_pci_func = pm_cfg[i].dest_npar; src_index = qlcnic_is_valid_nic_func(adapter, src_pci_func); - if (src_index < 0) return QL_STATUS_INVALID_PARAM; @@ -439,6 +456,8 @@ static ssize_t qlcnic_sysfs_write_pm_config(struct file *filp, for (i = 0; i < count; i++) { pci_func = pm_cfg[i].pci_func; index = qlcnic_is_valid_nic_func(adapter, pci_func); + if (index < 0) + return QL_STATUS_INVALID_PARAM; id = adapter->npars[index].phy_port; adapter->npars[index].enable_pm = !!pm_cfg[i].action; adapter->npars[index].dest_npar = id; @@ -455,17 +474,19 @@ static ssize_t qlcnic_sysfs_read_pm_config(struct file *filp, { struct device *dev = container_of(kobj, struct device, kobj); struct qlcnic_adapter *adapter = dev_get_drvdata(dev); - struct qlcnic_pm_func_cfg pm_cfg[QLCNIC_MAX_PCI_FUNC]; - int i; + u32 pci_func_count = qlcnic_get_pci_func_count(adapter); + struct qlcnic_pm_func_cfg *pm_cfg; + int i, pm_cfg_size; u8 pci_func; - if (size != sizeof(pm_cfg)) + pm_cfg_size = pci_func_count * sizeof(*pm_cfg); + if (size != pm_cfg_size) return QL_STATUS_INVALID_PARAM; - memset(&pm_cfg, 0, - sizeof(struct qlcnic_pm_func_cfg) * QLCNIC_MAX_PCI_FUNC); + memset(buf, 0, pm_cfg_size); + pm_cfg = (struct qlcnic_pm_func_cfg *)buf; - for (i = 0; i < QLCNIC_MAX_PCI_FUNC; i++) { + for (i = 0; i < pci_func_count; i++) { pci_func = adapter->npars[i].pci_func; if (!adapter->npars[i].active) continue; @@ -477,26 +498,26 @@ static ssize_t qlcnic_sysfs_read_pm_config(struct file *filp, pm_cfg[pci_func].dest_npar = 0; pm_cfg[pci_func].pci_func = i; } - memcpy(buf, &pm_cfg, size); - return size; } static int validate_esw_config(struct qlcnic_adapter *adapter, struct qlcnic_esw_func_cfg *esw_cfg, int count) { + u32 pci_func_count = qlcnic_get_pci_func_count(adapter); + struct qlcnic_hardware_context *ahw = adapter->ahw; + int i, ret; u32 op_mode; u8 pci_func; - int i, ret; if (qlcnic_82xx_check(adapter)) - op_mode = readl(adapter->ahw->pci_base0 + QLCNIC_DRV_OP_MODE); + op_mode = readl(ahw->pci_base0 + QLCNIC_DRV_OP_MODE); else - op_mode = QLCRDX(adapter->ahw, QLC_83XX_DRV_OP_MODE); + op_mode = QLCRDX(ahw, QLC_83XX_DRV_OP_MODE); for (i = 0; i < count; i++) { pci_func = esw_cfg[i].pci_func; - if (pci_func >= QLCNIC_MAX_PCI_FUNC) + if (pci_func >= pci_func_count) return QL_STATUS_INVALID_PARAM; if (adapter->ahw->op_mode == QLCNIC_MGMT_FUNC) @@ -600,6 +621,8 @@ static ssize_t qlcnic_sysfs_write_esw_config(struct file *file, for (i = 0; i < count; i++) { pci_func = esw_cfg[i].pci_func; index = qlcnic_is_valid_nic_func(adapter, pci_func); + if (index < 0) + return QL_STATUS_INVALID_PARAM; npar = &adapter->npars[index]; switch (esw_cfg[i].op_mode) { case QLCNIC_PORT_DEFAULTS: @@ -629,16 +652,19 @@ static ssize_t qlcnic_sysfs_read_esw_config(struct file *file, { struct device *dev = container_of(kobj, struct device, kobj); struct qlcnic_adapter *adapter = dev_get_drvdata(dev); - struct qlcnic_esw_func_cfg esw_cfg[QLCNIC_MAX_PCI_FUNC]; + u32 pci_func_count = qlcnic_get_pci_func_count(adapter); + struct qlcnic_esw_func_cfg *esw_cfg; + size_t esw_cfg_size; u8 i, pci_func; - if (size != sizeof(esw_cfg)) + esw_cfg_size = pci_func_count * sizeof(*esw_cfg); + if (size != esw_cfg_size) return QL_STATUS_INVALID_PARAM; - memset(&esw_cfg, 0, - sizeof(struct qlcnic_esw_func_cfg) * QLCNIC_MAX_PCI_FUNC); + memset(buf, 0, esw_cfg_size); + esw_cfg = (struct qlcnic_esw_func_cfg *)buf; - for (i = 0; i < QLCNIC_MAX_PCI_FUNC; i++) { + for (i = 0; i < pci_func_count; i++) { pci_func = adapter->npars[i].pci_func; if (!adapter->npars[i].active) continue; @@ -650,9 +676,6 @@ static ssize_t qlcnic_sysfs_read_esw_config(struct file *file, if (qlcnic_get_eswitch_port_config(adapter, &esw_cfg[pci_func])) return QL_STATUS_INVALID_PARAM; } - - memcpy(buf, &esw_cfg, size); - return size; } @@ -711,6 +734,8 @@ static ssize_t qlcnic_sysfs_write_npar_config(struct file *file, if (ret) return ret; index = qlcnic_is_valid_nic_func(adapter, pci_func); + if (index < 0) + return QL_STATUS_INVALID_PARAM; adapter->npars[index].min_bw = nic_info.min_tx_bw; adapter->npars[index].max_bw = nic_info.max_tx_bw; } @@ -726,27 +751,28 @@ static ssize_t qlcnic_sysfs_read_npar_config(struct file *file, { struct device *dev = container_of(kobj, struct device, kobj); struct qlcnic_adapter *adapter = dev_get_drvdata(dev); + u32 pci_func_count = qlcnic_get_pci_func_count(adapter); + struct qlcnic_npar_func_cfg *np_cfg; struct qlcnic_info nic_info; - struct qlcnic_npar_func_cfg np_cfg[QLCNIC_MAX_PCI_FUNC]; + size_t np_cfg_size; int i, ret; - if (size != sizeof(np_cfg)) + np_cfg_size = pci_func_count * sizeof(*np_cfg); + if (size != np_cfg_size) return QL_STATUS_INVALID_PARAM; memset(&nic_info, 0, sizeof(struct qlcnic_info)); - memset(&np_cfg, 0, - sizeof(struct qlcnic_npar_func_cfg) * QLCNIC_MAX_PCI_FUNC); + memset(buf, 0, np_cfg_size); + np_cfg = (struct qlcnic_npar_func_cfg *)buf; - for (i = 0; i < QLCNIC_MAX_PCI_FUNC; i++) { + for (i = 0; i < pci_func_count; i++) { if (qlcnic_is_valid_nic_func(adapter, i) < 0) continue; ret = qlcnic_get_nic_info(adapter, &nic_info, i); if (ret) return ret; - if (!adapter->npars[i].eswitch_status) continue; - np_cfg[i].pci_func = i; np_cfg[i].op_mode = (u8)nic_info.op_mode; np_cfg[i].port_num = nic_info.phys_port; @@ -756,8 +782,6 @@ static ssize_t qlcnic_sysfs_read_npar_config(struct file *file, np_cfg[i].max_tx_queues = nic_info.max_tx_ques; np_cfg[i].max_rx_queues = nic_info.max_rx_ques; } - - memcpy(buf, &np_cfg, size); return size; } @@ -769,6 +793,7 @@ static ssize_t qlcnic_sysfs_get_port_stats(struct file *file, { struct device *dev = container_of(kobj, struct device, kobj); struct qlcnic_adapter *adapter = dev_get_drvdata(dev); + u32 pci_func_count = qlcnic_get_pci_func_count(adapter); struct qlcnic_esw_statistics port_stats; int ret; @@ -778,7 +803,7 @@ static ssize_t qlcnic_sysfs_get_port_stats(struct file *file, if (size != sizeof(struct qlcnic_esw_statistics)) return QL_STATUS_INVALID_PARAM; - if (offset >= QLCNIC_MAX_PCI_FUNC) + if (offset >= pci_func_count) return QL_STATUS_INVALID_PARAM; memset(&port_stats, 0, size); @@ -869,12 +894,13 @@ static ssize_t qlcnic_sysfs_clear_port_stats(struct file *file, struct device *dev = container_of(kobj, struct device, kobj); struct qlcnic_adapter *adapter = dev_get_drvdata(dev); + u32 pci_func_count = qlcnic_get_pci_func_count(adapter); int ret; if (qlcnic_83xx_check(adapter)) return QLC_STATUS_UNSUPPORTED_CMD; - if (offset >= QLCNIC_MAX_PCI_FUNC) + if (offset >= pci_func_count) return QL_STATUS_INVALID_PARAM; ret = qlcnic_clear_esw_stats(adapter, QLCNIC_STATS_PORT, offset, @@ -898,27 +924,32 @@ static ssize_t qlcnic_sysfs_read_pci_config(struct file *file, { struct device *dev = container_of(kobj, struct device, kobj); struct qlcnic_adapter *adapter = dev_get_drvdata(dev); - struct qlcnic_pci_func_cfg pci_cfg[QLCNIC_MAX_PCI_FUNC]; + u32 pci_func_count = qlcnic_get_pci_func_count(adapter); + struct qlcnic_pci_func_cfg *pci_cfg; struct qlcnic_pci_info *pci_info; + size_t pci_info_sz, pci_cfg_sz; int i, ret; - if (size != sizeof(pci_cfg)) + pci_cfg_sz = pci_func_count * sizeof(*pci_cfg); + if (size != pci_cfg_sz) return QL_STATUS_INVALID_PARAM; - pci_info = kcalloc(QLCNIC_MAX_PCI_FUNC, sizeof(*pci_info), GFP_KERNEL); + pci_info_sz = pci_func_count * sizeof(*pci_info); + pci_info = vmalloc(pci_info_sz); if (!pci_info) return -ENOMEM; + memset(pci_info, 0, pci_info_sz); + memset(buf, 0, pci_cfg_sz); + pci_cfg = (struct qlcnic_pci_func_cfg *)buf; + ret = qlcnic_get_pci_info(adapter, pci_info); if (ret) { - kfree(pci_info); + vfree(pci_info); return ret; } - memset(&pci_cfg, 0, - sizeof(struct qlcnic_pci_func_cfg) * QLCNIC_MAX_PCI_FUNC); - - for (i = 0; i < QLCNIC_MAX_PCI_FUNC; i++) { + for (i = 0; i < pci_func_count; i++) { pci_cfg[i].pci_func = pci_info[i].id; pci_cfg[i].func_type = pci_info[i].type; pci_cfg[i].port_num = pci_info[i].default_port; @@ -927,8 +958,7 @@ static ssize_t qlcnic_sysfs_read_pci_config(struct file *file, memcpy(&pci_cfg[i].def_mac_addr, &pci_info[i].mac, ETH_ALEN); } - memcpy(buf, &pci_cfg, size); - kfree(pci_info); + vfree(pci_info); return size; }