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author | Manish chopra <manish.chopra@qlogic.com> | 2012-02-03 11:35:11 +0000 |
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committer | David S. Miller <davem@davemloft.net> | 2012-02-04 15:59:28 -0500 |
commit | 83f18a557c6d6cdc03c7821e0b596c8f8b7bdb9f (patch) | |
tree | c978541c50a9526da998456badbc4f4dc20702b9 /drivers/net/ethernet/qlogic/netxen/netxen_nic_ethtool.c | |
parent | 2dcd5d95ad6b281fca6f2d5e252bbf7e8e20655b (diff) | |
download | op-kernel-dev-83f18a557c6d6cdc03c7821e0b596c8f8b7bdb9f.zip op-kernel-dev-83f18a557c6d6cdc03c7821e0b596c8f8b7bdb9f.tar.gz |
netxen_nic: fw dump support
Signed-off-by: Manish Chopra <manish.chopra@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/qlogic/netxen/netxen_nic_ethtool.c')
-rw-r--r-- | drivers/net/ethernet/qlogic/netxen/netxen_nic_ethtool.c | 104 |
1 files changed, 104 insertions, 0 deletions
diff --git a/drivers/net/ethernet/qlogic/netxen/netxen_nic_ethtool.c b/drivers/net/ethernet/qlogic/netxen/netxen_nic_ethtool.c index 8a37198..3e73d35 100644 --- a/drivers/net/ethernet/qlogic/netxen/netxen_nic_ethtool.c +++ b/drivers/net/ethernet/qlogic/netxen/netxen_nic_ethtool.c @@ -812,6 +812,107 @@ static int netxen_get_intr_coalesce(struct net_device *netdev, return 0; } +static int +netxen_get_dump_flag(struct net_device *netdev, struct ethtool_dump *dump) +{ + struct netxen_adapter *adapter = netdev_priv(netdev); + struct netxen_minidump *mdump = &adapter->mdump; + if (adapter->fw_mdump_rdy) + dump->len = mdump->md_dump_size; + else + dump->len = 0; + dump->flag = mdump->md_capture_mask; + dump->version = adapter->fw_version; + return 0; +} + +static int +netxen_set_dump(struct net_device *netdev, struct ethtool_dump *val) +{ + int ret = 0; + struct netxen_adapter *adapter = netdev_priv(netdev); + struct netxen_minidump *mdump = &adapter->mdump; + + switch (val->flag) { + case NX_FORCE_FW_DUMP_KEY: + if (!mdump->md_enabled) + mdump->md_enabled = 1; + if (adapter->fw_mdump_rdy) { + netdev_info(netdev, "Previous dump not cleared, not forcing dump\n"); + return ret; + } + netdev_info(netdev, "Forcing a fw dump\n"); + nx_dev_request_reset(adapter); + break; + case NX_DISABLE_FW_DUMP: + if (mdump->md_enabled) { + netdev_info(netdev, "Disabling FW Dump\n"); + mdump->md_enabled = 0; + } + break; + case NX_ENABLE_FW_DUMP: + if (!mdump->md_enabled) { + netdev_info(netdev, "Enabling FW dump\n"); + mdump->md_enabled = 1; + } + break; + case NX_FORCE_FW_RESET: + netdev_info(netdev, "Forcing FW reset\n"); + nx_dev_request_reset(adapter); + adapter->flags &= ~NETXEN_FW_RESET_OWNER; + break; + default: + if (val->flag <= NX_DUMP_MASK_MAX && + val->flag >= NX_DUMP_MASK_MIN) { + mdump->md_capture_mask = val->flag & 0xff; + netdev_info(netdev, "Driver mask changed to: 0x%x\n", + mdump->md_capture_mask); + break; + } + netdev_info(netdev, + "Invalid dump level: 0x%x\n", val->flag); + return -EINVAL; + } + + return ret; +} + +static int +netxen_get_dump_data(struct net_device *netdev, struct ethtool_dump *dump, + void *buffer) +{ + int i, copy_sz; + u32 *hdr_ptr, *data; + struct netxen_adapter *adapter = netdev_priv(netdev); + struct netxen_minidump *mdump = &adapter->mdump; + + + if (!adapter->fw_mdump_rdy) { + netdev_info(netdev, "Dump not available\n"); + return -EINVAL; + } + /* Copy template header first */ + copy_sz = mdump->md_template_size; + hdr_ptr = (u32 *) mdump->md_template; + data = buffer; + for (i = 0; i < copy_sz/sizeof(u32); i++) + *data++ = cpu_to_le32(*hdr_ptr++); + + /* Copy captured dump data */ + memcpy(buffer + copy_sz, + mdump->md_capture_buff + mdump->md_template_size, + mdump->md_capture_size); + dump->len = copy_sz + mdump->md_capture_size; + dump->flag = mdump->md_capture_mask; + + /* Free dump area once data has been captured */ + vfree(mdump->md_capture_buff); + mdump->md_capture_buff = NULL; + adapter->fw_mdump_rdy = 0; + netdev_info(netdev, "extracted the fw dump Successfully\n"); + return 0; +} + const struct ethtool_ops netxen_nic_ethtool_ops = { .get_settings = netxen_nic_get_settings, .set_settings = netxen_nic_set_settings, @@ -833,4 +934,7 @@ const struct ethtool_ops netxen_nic_ethtool_ops = { .get_sset_count = netxen_get_sset_count, .get_coalesce = netxen_get_intr_coalesce, .set_coalesce = netxen_set_intr_coalesce, + .get_dump_flag = netxen_get_dump_flag, + .get_dump_data = netxen_get_dump_data, + .set_dump = netxen_set_dump, }; |