diff options
| author |   Jakub Kicinski <jakub.kicinski@netronome.com> | 2017-04-04 16:12:27 -0700 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2017-04-05 10:49:12 -0700 |
| commit | 21d529d5eb31f905f8c028956204a0d1bdafbc4b (patch) | |
| tree | 9a4e7e857a99b72bb0221e26d07a44c3dfe8d29f /drivers/net/ethernet/netronome | |
| parent | nfp: add port state refresh (diff) | |
| download | linux-dev-21d529d5eb31f905f8c028956204a0d1bdafbc4b.tar.xz linux-dev-21d529d5eb31f905f8c028956204a0d1bdafbc4b.zip | |
nfp: report link speed from NSP
On the PF prefer the link speed value provided by the NSP.
Refresh port table if needed.
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>
Diffstat (limited to 'drivers/net/ethernet/netronome')
| -rw-r--r-- | drivers/net/ethernet/netronome/nfp/nfp_net_ethtool.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/net/ethernet/netronome/nfp/nfp_net_ethtool.c b/drivers/net/ethernet/netronome/nfp/nfp_net_ethtool.c index d3cec0d4a978..0fdc14e7b576 100644 --- a/drivers/net/ethernet/netronome/nfp/nfp_net_ethtool.c +++ b/drivers/net/ethernet/netronome/nfp/nfp_net_ethtool.c @@ -49,6 +49,7 @@ #include <linux/ethtool.h> #include "nfpcore/nfp.h" +#include "nfpcore/nfp_nsp_eth.h" #include "nfp_net_ctrl.h" #include "nfp_net.h" @@ -205,6 +206,16 @@ nfp_net_get_link_ksettings(struct net_device *netdev, if (!netif_carrier_ok(netdev)) return 0; + /* Use link speed from ETH table if available, otherwise try the BAR */ + if (nn->eth_port && nfp_net_link_changed_read_clear(nn)) + nfp_net_refresh_port_config(nn); + /* Separate if - on FW error the port could've disappeared from table */ + if (nn->eth_port) { + cmd->base.speed = nn->eth_port->speed; + cmd->base.duplex = DUPLEX_FULL; + return 0; + } + sts = nn_readl(nn, NFP_NET_CFG_STS); ls = FIELD_GET(NFP_NET_CFG_STS_LINK_RATE, sts); |