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nfp: ethtool: fix the display error of ethtool -m DEVNAME

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commit 4ae97cae07 upstream.

The port flag isn't set to `NFP_PORT_CHANGED` when using
`ethtool -m DEVNAME` before, so the port state (e.g. interface)
cannot be updated. Therefore, it caused that `ethtool -m DEVNAME`
sometimes cannot read the correct information.

E.g. `ethtool -m DEVNAME` cannot work when load driver before plug
in optical module, as the port interface is still NONE without port
update.

Now update the port state before sending info to NIC to ensure that
port interface is correct (latest state).

Fixes: 61f7c6f448 ("nfp: implement ethtool get module EEPROM")
Reviewed-by: Louis Peens <louis.peens@corigine.com>
Signed-off-by: Yu Xiao <yu.xiao@corigine.com>
Signed-off-by: Simon Horman <simon.horman@corigine.com>
Link: https://lore.kernel.org/r/20220802093355.69065-1-simon.horman@corigine.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Yu Xiao
2022-08-02 10:33:55 +01:00
committed by Greg Kroah-Hartman
parent 76f3b97e56
commit 3c555a0599
1 changed files with 2 additions and 0 deletions
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2
drivers/net/ethernet/netronome/nfp/nfp_net_ethtool.c
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@@ -1225,6 +1225,8 @@ nfp_port_get_module_info(struct net_device *netdev,
u8 data;
port = nfp_port_from_netdev(netdev);
/* update port state to get latest interface */
set_bit(NFP_PORT_CHANGED, &port->flags);
eth_port = nfp_port_get_eth_port(port);
if (!eth_port)
return -EOPNOTSUPP;