diff options
Diffstat (limited to 'drivers/net/ethernet/brocade/bna/bnad_ethtool.c')
| -rw-r--r-- | drivers/net/ethernet/brocade/bna/bnad_ethtool.c | 157 |
1 files changed, 149 insertions, 8 deletions
diff --git a/drivers/net/ethernet/brocade/bna/bnad_ethtool.c b/drivers/net/ethernet/brocade/bna/bnad_ethtool.c index fd3dcc1e9145..9b44ec8096ba 100644 --- a/drivers/net/ethernet/brocade/bna/bnad_ethtool.c +++ b/drivers/net/ethernet/brocade/bna/bnad_ethtool.c @@ -38,7 +38,7 @@ sizeof(struct bnad_drv_stats) / sizeof(u64) + \ offsetof(struct bfi_enet_stats, rxf_stats[0]) / sizeof(u64)) -static char *bnad_net_stats_strings[BNAD_ETHTOOL_STATS_NUM] = { +static const char *bnad_net_stats_strings[BNAD_ETHTOOL_STATS_NUM] = { "rx_packets", "tx_packets", "rx_bytes", @@ -296,8 +296,8 @@ bnad_get_drvinfo(struct net_device *netdev, struct ethtool_drvinfo *drvinfo) struct bfa_ioc_attr *ioc_attr; unsigned long flags; - strcpy(drvinfo->driver, BNAD_NAME); - strcpy(drvinfo->version, BNAD_VERSION); + strlcpy(drvinfo->driver, BNAD_NAME, sizeof(drvinfo->driver)); + strlcpy(drvinfo->version, BNAD_VERSION, sizeof(drvinfo->version)); ioc_attr = kzalloc(sizeof(*ioc_attr), GFP_KERNEL); if (ioc_attr) { @@ -305,12 +305,13 @@ bnad_get_drvinfo(struct net_device *netdev, struct ethtool_drvinfo *drvinfo) bfa_nw_ioc_get_attr(&bnad->bna.ioceth.ioc, ioc_attr); spin_unlock_irqrestore(&bnad->bna_lock, flags); - strncpy(drvinfo->fw_version, ioc_attr->adapter_attr.fw_ver, - sizeof(drvinfo->fw_version) - 1); + strlcpy(drvinfo->fw_version, ioc_attr->adapter_attr.fw_ver, + sizeof(drvinfo->fw_version)); kfree(ioc_attr); } - strncpy(drvinfo->bus_info, pci_name(bnad->pcidev), ETHTOOL_BUSINFO_LEN); + strlcpy(drvinfo->bus_info, pci_name(bnad->pcidev), + sizeof(drvinfo->bus_info)); } static void @@ -934,7 +935,144 @@ bnad_get_sset_count(struct net_device *netdev, int sset) } } -static struct ethtool_ops bnad_ethtool_ops = { +static u32 +bnad_get_flash_partition_by_offset(struct bnad *bnad, u32 offset, + u32 *base_offset) +{ + struct bfa_flash_attr *flash_attr; + struct bnad_iocmd_comp fcomp; + u32 i, flash_part = 0, ret; + unsigned long flags = 0; + + flash_attr = kzalloc(sizeof(struct bfa_flash_attr), GFP_KERNEL); + if (!flash_attr) + return -ENOMEM; + + fcomp.bnad = bnad; + fcomp.comp_status = 0; + + init_completion(&fcomp.comp); + spin_lock_irqsave(&bnad->bna_lock, flags); + ret = bfa_nw_flash_get_attr(&bnad->bna.flash, flash_attr, + bnad_cb_completion, &fcomp); + if (ret != BFA_STATUS_OK) { + spin_unlock_irqrestore(&bnad->bna_lock, flags); + kfree(flash_attr); + goto out_err; + } + spin_unlock_irqrestore(&bnad->bna_lock, flags); + wait_for_completion(&fcomp.comp); + ret = fcomp.comp_status; + + /* Check for the flash type & base offset value */ + if (ret == BFA_STATUS_OK) { + for (i = 0; i < flash_attr->npart; i++) { + if (offset >= flash_attr->part[i].part_off && + offset < (flash_attr->part[i].part_off + + flash_attr->part[i].part_size)) { + flash_part = flash_attr->part[i].part_type; + *base_offset = flash_attr->part[i].part_off; + break; + } + } + } + kfree(flash_attr); + return flash_part; +out_err: + return -EINVAL; +} + +static int +bnad_get_eeprom_len(struct net_device *netdev) +{ + return BFA_TOTAL_FLASH_SIZE; +} + +static int +bnad_get_eeprom(struct net_device *netdev, struct ethtool_eeprom *eeprom, + u8 *bytes) +{ + struct bnad *bnad = netdev_priv(netdev); + struct bnad_iocmd_comp fcomp; + u32 flash_part = 0, base_offset = 0; + unsigned long flags = 0; + int ret = 0; + + /* Check if the flash read request is valid */ + if (eeprom->magic != (bnad->pcidev->vendor | + (bnad->pcidev->device << 16))) + return -EFAULT; + + /* Query the flash partition based on the offset */ + flash_part = bnad_get_flash_partition_by_offset(bnad, + eeprom->offset, &base_offset); + if (flash_part <= 0) + return -EFAULT; + + fcomp.bnad = bnad; + fcomp.comp_status = 0; + + init_completion(&fcomp.comp); + spin_lock_irqsave(&bnad->bna_lock, flags); + ret = bfa_nw_flash_read_part(&bnad->bna.flash, flash_part, + bnad->id, bytes, eeprom->len, + eeprom->offset - base_offset, + bnad_cb_completion, &fcomp); + if (ret != BFA_STATUS_OK) { + spin_unlock_irqrestore(&bnad->bna_lock, flags); + goto done; + } + + spin_unlock_irqrestore(&bnad->bna_lock, flags); + wait_for_completion(&fcomp.comp); + ret = fcomp.comp_status; +done: + return ret; +} + +static int +bnad_set_eeprom(struct net_device *netdev, struct ethtool_eeprom *eeprom, + u8 *bytes) +{ + struct bnad *bnad = netdev_priv(netdev); + struct bnad_iocmd_comp fcomp; + u32 flash_part = 0, base_offset = 0; + unsigned long flags = 0; + int ret = 0; + + /* Check if the flash update request is valid */ + if (eeprom->magic != (bnad->pcidev->vendor | + (bnad->pcidev->device << 16))) + return -EINVAL; + + /* Query the flash partition based on the offset */ + flash_part = bnad_get_flash_partition_by_offset(bnad, + eeprom->offset, &base_offset); + if (flash_part <= 0) + return -EFAULT; + + fcomp.bnad = bnad; + fcomp.comp_status = 0; + + init_completion(&fcomp.comp); + spin_lock_irqsave(&bnad->bna_lock, flags); + ret = bfa_nw_flash_update_part(&bnad->bna.flash, flash_part, + bnad->id, bytes, eeprom->len, + eeprom->offset - base_offset, + bnad_cb_completion, &fcomp); + if (ret != BFA_STATUS_OK) { + spin_unlock_irqrestore(&bnad->bna_lock, flags); + goto done; + } + + spin_unlock_irqrestore(&bnad->bna_lock, flags); + wait_for_completion(&fcomp.comp); + ret = fcomp.comp_status; +done: + return ret; +} + +static const struct ethtool_ops bnad_ethtool_ops = { .get_settings = bnad_get_settings, .set_settings = bnad_set_settings, .get_drvinfo = bnad_get_drvinfo, @@ -948,7 +1086,10 @@ static struct ethtool_ops bnad_ethtool_ops = { .set_pauseparam = bnad_set_pauseparam, .get_strings = bnad_get_strings, .get_ethtool_stats = bnad_get_ethtool_stats, - .get_sset_count = bnad_get_sset_count + .get_sset_count = bnad_get_sset_count, + .get_eeprom_len = bnad_get_eeprom_len, + .get_eeprom = bnad_get_eeprom, + .set_eeprom = bnad_set_eeprom, }; void |