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path: root/drivers/net/ethernet/brocade/bna/bnad_ethtool.c
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Diffstat (limited to 'drivers/net/ethernet/brocade/bna/bnad_ethtool.c')
-rw-r--r--drivers/net/ethernet/brocade/bna/bnad_ethtool.c157
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 fd3dcc1e914..9b44ec8096b 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