[PATCH net-next 2/4] netxen_nic: Allow only useful and recommended firmware dump capture mask values
From: Rajesh Borundia <hidden>
Date: 2012-05-08 15:17:37
Subsystem:
networking drivers, netxen (1/10) gbe support, the rest · Maintainers:
Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Manish Chopra, Rahul Verma, Linus Torvalds
From: Manish chopra <redacted> o 0x3, 0x7, 0xF, 0x1F, 0x3F, 0x7F and 0xFF are the allowed capture masks. Signed-off-by: Manish chopra <redacted> Signed-off-by: Rajesh Borundia <redacted> --- drivers/net/ethernet/qlogic/netxen/netxen_nic.h | 4 ++++ .../ethernet/qlogic/netxen/netxen_nic_ethtool.c | 18 ++++++++++-------- 2 files changed, 14 insertions(+), 8 deletions(-)
diff --git a/drivers/net/ethernet/qlogic/netxen/netxen_nic.h b/drivers/net/ethernet/qlogic/netxen/netxen_nic.h
index b5de8a7..b8614af 100644
--- a/drivers/net/ethernet/qlogic/netxen/netxen_nic.h
+++ b/drivers/net/ethernet/qlogic/netxen/netxen_nic.h@@ -1201,6 +1201,10 @@ typedef struct { #define NX_FORCE_FW_RESET 0xdeaddead +/* Fw dump levels */ +static const u32 FW_DUMP_LEVELS[] = { + 0x3, 0x7, 0xf, 0x1f, 0x3f, 0x7f, 0xff }; + /* Flash read/write address */ #define NX_FW_DUMP_REG1 0x00130060 #define NX_FW_DUMP_REG2 0x001e0000
diff --git a/drivers/net/ethernet/qlogic/netxen/netxen_nic_ethtool.c b/drivers/net/ethernet/qlogic/netxen/netxen_nic_ethtool.c
index 8c39299..3973040 100644
--- a/drivers/net/ethernet/qlogic/netxen/netxen_nic_ethtool.c
+++ b/drivers/net/ethernet/qlogic/netxen/netxen_nic_ethtool.c@@ -834,7 +834,7 @@ netxen_get_dump_flag(struct net_device *netdev, struct ethtool_dump *dump) static int netxen_set_dump(struct net_device *netdev, struct ethtool_dump *val) { - int ret = 0; + int i; struct netxen_adapter *adapter = netdev_priv(netdev); struct netxen_minidump *mdump = &adapter->mdump;
@@ -844,7 +844,7 @@ netxen_set_dump(struct net_device *netdev, struct ethtool_dump *val) mdump->md_enabled = 1; if (adapter->fw_mdump_rdy) { netdev_info(netdev, "Previous dump not cleared, not forcing dump\n"); - return ret; + return 0; } netdev_info(netdev, "Forcing a fw dump\n"); nx_dev_request_reset(adapter);
@@ -867,19 +867,21 @@ netxen_set_dump(struct net_device *netdev, struct ethtool_dump *val) 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", + for (i = 0; i < ARRAY_SIZE(FW_DUMP_LEVELS); i++) { + if (val->flag == FW_DUMP_LEVELS[i]) { + mdump->md_capture_mask = val->flag; + netdev_info(netdev, + "Driver mask changed to: 0x%x\n", mdump->md_capture_mask); - break; + return 0; + } } netdev_info(netdev, "Invalid dump level: 0x%x\n", val->flag); return -EINVAL; } - return ret; + return 0; } static int
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1.7.3.3