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authorRahul Lakkireddy <rahul.lakkireddy@chelsio.com>2021-11-23 18:47:17 +0300
committerJakub Kicinski <kuba@kernel.org>2021-11-25 04:27:07 +0300
commite670e1e86beb82a6eef0d9b451829a32cfa23c81 (patch)
tree53b80518bf5d879d36aecf06f2f5657d11dd47bb /drivers/net/ethernet/chelsio
parent5a45ab3f248b3489af8b8440eb56b2ebaae59a6c (diff)
downloadlinux-e670e1e86beb82a6eef0d9b451829a32cfa23c81.tar.xz
cxgb4: allow reading unrecognized port module eeprom
Even if firmware fails to recognize the plugged-in port module type, allow reading port module EEPROM anyway. This helps in obtaining necessary diagnostics information for debugging and analysis. Signed-off-by: Manoj Malviya <manojmalviya@chelsio.com> Signed-off-by: Rahul Lakkireddy <rahul.lakkireddy@chelsio.com> Link: https://lore.kernel.org/r/1637682437-31407-1-git-send-email-rahul.lakkireddy@chelsio.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'drivers/net/ethernet/chelsio')
-rw-r--r--drivers/net/ethernet/chelsio/cxgb4/cxgb4_ethtool.c11
1 files changed, 10 insertions, 1 deletions
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_ethtool.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_ethtool.c
index 0e4ec4079741..6c790af92170 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_ethtool.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_ethtool.c
@@ -1993,6 +1993,15 @@ static int get_dump_data(struct net_device *dev, struct ethtool_dump *eth_dump,
return 0;
}
+static bool cxgb4_fw_mod_type_info_available(unsigned int fw_mod_type)
+{
+ /* Read port module EEPROM as long as it is plugged-in and
+ * safe to read.
+ */
+ return (fw_mod_type != FW_PORT_MOD_TYPE_NONE &&
+ fw_mod_type != FW_PORT_MOD_TYPE_ERROR);
+}
+
static int cxgb4_get_module_info(struct net_device *dev,
struct ethtool_modinfo *modinfo)
{
@@ -2001,7 +2010,7 @@ static int cxgb4_get_module_info(struct net_device *dev,
struct adapter *adapter = pi->adapter;
int ret;
- if (!t4_is_inserted_mod_type(pi->mod_type))
+ if (!cxgb4_fw_mod_type_info_available(pi->mod_type))
return -EINVAL;
switch (pi->port_type) {