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Code Issues Releases Wiki Activity

nfp: refresh port state before reporting autonegotiation

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State of autonegotiation may have changed but is not yet refreshed.
Make sure ethtool respects the NFP_PORT_CHANGED flag when looking
at autoneg.

Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Reviewed-by: Simon Horman <simon.horman@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jakub Kicinski 2017-05-22 10:59:34 -07:00 committed by David S. Miller
parent 46b250311d
commit 1876749da8
3 changed files with 14 additions and 9 deletions
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10
drivers/net/ethernet/netronome/nfp/nfp_net_ethtool.c
View file

@ -209,7 +209,7 @@ nfp_net_get_link_ksettings(struct net_device *netdev,
cmd->base.duplex = DUPLEX_UNKNOWN;
port = nfp_port_from_netdev(netdev);
eth_port = __nfp_port_get_eth_port(port);
eth_port = nfp_port_get_eth_port(port);
if (eth_port)
cmd->base.autoneg = eth_port->aneg != NFP_ANEG_DISABLED ?
AUTONEG_ENABLE : AUTONEG_DISABLE;
@ -219,14 +219,6 @@ nfp_net_get_link_ksettings(struct net_device *netdev,
/* Use link speed from ETH table if available, otherwise try the BAR */
if (eth_port) {
int err;
if (test_bit(NFP_PORT_CHANGED, &port->flags)) {
err = nfp_net_refresh_eth_port(port);
if (err)
return err;
}
cmd->base.port = eth_port->port_type;
cmd->base.speed = eth_port->speed;
cmd->base.duplex = DUPLEX_FULL;

12
drivers/net/ethernet/netronome/nfp/nfp_port.c
View file

@ -58,6 +58,18 @@ struct nfp_eth_table_port *__nfp_port_get_eth_port(struct nfp_port *port)
return port->eth_port;
}
struct nfp_eth_table_port *nfp_port_get_eth_port(struct nfp_port *port)
{
if (!__nfp_port_get_eth_port(port))
return NULL;
if (test_bit(NFP_PORT_CHANGED, &port->flags))
if (nfp_net_refresh_eth_port(port))
return NULL;
return __nfp_port_get_eth_port(port);
}
int
nfp_port_get_phys_port_name(struct net_device *netdev, char *name, size_t len)
{

1
drivers/net/ethernet/netronome/nfp/nfp_port.h
View file

@ -86,6 +86,7 @@ struct nfp_port {
struct nfp_port *nfp_port_from_netdev(struct net_device *netdev);
struct nfp_eth_table_port *__nfp_port_get_eth_port(struct nfp_port *port);
struct nfp_eth_table_port *nfp_port_get_eth_port(struct nfp_port *port);
int
nfp_port_get_phys_port_name(struct net_device *netdev, char *name, size_t len);