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nfp: report auto-negotiation in ethtool

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NSP ABI version 0.17 is exposing the autonegotiation settings.
Report whether autoneg is on via ethtool.

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 2017-04-04 16:12:28 -07:00 committed by David S. Miller
parent 21d529d5eb
commit 42b1e6aa46
3 changed files with 17 additions and 0 deletions
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4
drivers/net/ethernet/netronome/nfp/nfp_net_ethtool.c
View File

@ -203,6 +203,10 @@ nfp_net_get_link_ksettings(struct net_device *netdev,
cmd->base.speed = SPEED_UNKNOWN;
cmd->base.duplex = DUPLEX_UNKNOWN;
if (nn->eth_port)
cmd->base.autoneg = nn->eth_port->aneg != NFP_ANEG_DISABLED ?
AUTONEG_ENABLE : AUTONEG_DISABLE;
if (!netif_carrier_ok(netdev))
return 0;

2
drivers/net/ethernet/netronome/nfp/nfpcore/nfp_nsp_eth.c
View File

@ -63,6 +63,7 @@
#define NSP_ETH_STATE_RX_ENABLED BIT_ULL(3)
#define NSP_ETH_STATE_RATE GENMASK_ULL(11, 8)
#define NSP_ETH_STATE_OVRD_CHNG BIT_ULL(22)
#define NSP_ETH_STATE_ANEG GENMASK_ULL(25, 23)
#define NSP_ETH_CTRL_ENABLED BIT_ULL(1)
#define NSP_ETH_CTRL_TX_ENABLED BIT_ULL(2)
@ -142,6 +143,7 @@ nfp_eth_port_translate(struct nfp_nsp *nsp, const struct eth_table_entry *src,
return;
dst->override_changed = FIELD_GET(NSP_ETH_STATE_OVRD_CHNG, state);
dst->aneg = FIELD_GET(NSP_ETH_STATE_ANEG, state);
}
static void

11
drivers/net/ethernet/netronome/nfp/nfpcore/nfp_nsp_eth.h
View File

@ -37,6 +37,14 @@
#include <linux/types.h>
#include <linux/if_ether.h>
enum nfp_eth_aneg {
NFP_ANEG_AUTO = 0,
NFP_ANEG_SEARCH,
NFP_ANEG_25G_CONSORTIUM,
NFP_ANEG_25G_IEEE,
NFP_ANEG_DISABLED,
};
/**
* struct nfp_eth_table - ETH table information
* @count: number of table entries
@ -48,6 +56,7 @@
* @base: first channel index (within NBI)
* @lanes: number of channels
* @speed: interface speed (in Mbps)
* @aneg: auto negotiation mode
* @mac_addr: interface MAC address
* @label_port: port id
* @label_subport: id of interface within port (for split ports)
@ -68,6 +77,8 @@ struct nfp_eth_table {
unsigned int lanes;
unsigned int speed;
enum nfp_eth_aneg aneg;
u8 mac_addr[ETH_ALEN];
u8 label_port;