diff options
Diffstat (limited to 'drivers/net/sfc/mcdi_phy.c')
| -rw-r--r-- | drivers/net/sfc/mcdi_phy.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/drivers/net/sfc/mcdi_phy.c b/drivers/net/sfc/mcdi_phy.c index d87e74d3994e..34c22fa986e2 100644 --- a/drivers/net/sfc/mcdi_phy.c +++ b/drivers/net/sfc/mcdi_phy.c @@ -572,6 +572,27 @@ static int efx_mcdi_phy_set_settings(struct efx_nic *efx, struct ethtool_cmd *ec return 0; } +static int efx_mcdi_phy_test_alive(struct efx_nic *efx) +{ + u8 outbuf[MC_CMD_GET_PHY_STATE_OUT_LEN]; + size_t outlen; + int rc; + + BUILD_BUG_ON(MC_CMD_GET_PHY_STATE_IN_LEN != 0); + + rc = efx_mcdi_rpc(efx, MC_CMD_GET_PHY_STATE, NULL, 0, + outbuf, sizeof(outbuf), &outlen); + if (rc) + return rc; + + if (outlen < MC_CMD_GET_PHY_STATE_OUT_LEN) + return -EMSGSIZE; + if (MCDI_DWORD(outbuf, GET_PHY_STATE_STATE) != MC_CMD_PHY_STATE_OK) + return -EINVAL; + + return 0; +} + struct efx_phy_operations efx_mcdi_phy_ops = { .probe = efx_mcdi_phy_probe, .init = efx_port_dummy_op_int, @@ -581,6 +602,7 @@ struct efx_phy_operations efx_mcdi_phy_ops = { .remove = efx_mcdi_phy_remove, .get_settings = efx_mcdi_phy_get_settings, .set_settings = efx_mcdi_phy_set_settings, + .test_alive = efx_mcdi_phy_test_alive, .run_tests = NULL, .test_name = NULL, }; |