diff options
| author |   Anton Mikaev <amikaev@aquantia.com> | 2018-07-02 17:03:38 +0300 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2018-07-03 23:23:48 +0900 |
| commit | b8d68b62d99355c827243c62f00de70168e1661f (patch) | |
| tree | 051f6979d087a78603efc0961481cceacb354cf5 /drivers/net/ethernet/aquantia | |
| parent | net: aquantia: Implement rx/tx flow control ethtools callback (diff) | |
| download | linux-dev-b8d68b62d99355c827243c62f00de70168e1661f.tar.xz linux-dev-b8d68b62d99355c827243c62f00de70168e1661f.zip | |
net: aquantia: Add renegotiate ethtool operation support
Adds ethtool -r|--negotiate operation support. It triggers special
control bit on FW interface causing FW to restart link negotiation.
Signed-off-by: Igor Russkikh <igor.russkikh@aquantia.com>
Signed-off-by: Anton Mikaev <amikaev@aquantia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/aquantia')
4 files changed, 63 insertions, 0 deletions
diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_ethtool.c b/drivers/net/ethernet/aquantia/atlantic/aq_ethtool.c index 37f8460647ac..08c9fa6ca71f 100644 --- a/drivers/net/ethernet/aquantia/atlantic/aq_ethtool.c +++ b/drivers/net/ethernet/aquantia/atlantic/aq_ethtool.c @@ -285,6 +285,19 @@ static int aq_ethtool_set_coalesce(struct net_device *ndev, return aq_nic_update_interrupt_moderation_settings(aq_nic); } +static int aq_ethtool_nway_reset(struct net_device *ndev) +{ + struct aq_nic_s *aq_nic = netdev_priv(ndev); + + if (unlikely(!aq_nic->aq_fw_ops->renegotiate)) + return -EOPNOTSUPP; + + if (netif_running(ndev)) + return aq_nic->aq_fw_ops->renegotiate(aq_nic->aq_hw); + + return 0; +} + static void aq_ethtool_get_pauseparam(struct net_device *ndev, struct ethtool_pauseparam *pause) { @@ -390,6 +403,7 @@ const struct ethtool_ops aq_ethtool_ops = { .get_drvinfo = aq_ethtool_get_drvinfo, .get_strings = aq_ethtool_get_strings, .get_rxfh_indir_size = aq_ethtool_get_rss_indir_size, + .nway_reset = aq_ethtool_nway_reset, .get_ringparam = aq_get_ringparam, .set_ringparam = aq_set_ringparam, .get_pauseparam = aq_ethtool_get_pauseparam, diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_hw.h b/drivers/net/ethernet/aquantia/atlantic/aq_hw.h index 3aa36d5765bc..1a51152029c3 100644 --- a/drivers/net/ethernet/aquantia/atlantic/aq_hw.h +++ b/drivers/net/ethernet/aquantia/atlantic/aq_hw.h @@ -212,6 +212,8 @@ struct aq_fw_ops { int (*reset)(struct aq_hw_s *self); + int (*renegotiate)(struct aq_hw_s *self); + int (*get_mac_permanent)(struct aq_hw_s *self, u8 *mac); int (*set_link_speed)(struct aq_hw_s *self, u32 speed); diff --git a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils.h b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils.h index cd8f18f39c61..b875590efcbd 100644 --- a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils.h +++ b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils.h @@ -239,6 +239,41 @@ enum hw_atl_fw2x_caps_hi { CAPS_HI_TRANSACTION_ID, }; +enum hw_atl_fw2x_ctrl { + CTRL_RESERVED1 = 0x00, + CTRL_RESERVED2, + CTRL_RESERVED3, + CTRL_PAUSE, + CTRL_ASYMMETRIC_PAUSE, + CTRL_RESERVED4, + CTRL_RESERVED5, + CTRL_RESERVED6, + CTRL_1GBASET_FD_EEE, + CTRL_2P5GBASET_FD_EEE, + CTRL_5GBASET_FD_EEE, + CTRL_10GBASET_FD_EEE, + CTRL_THERMAL_SHUTDOWN, + CTRL_PHY_LOGS, + CTRL_EEE_AUTO_DISABLE, + CTRL_PFC, + CTRL_WAKE_ON_LINK, + CTRL_CABLE_DIAG, + CTRL_TEMPERATURE, + CTRL_DOWNSHIFT, + CTRL_PTP_AVB, + CTRL_RESERVED7, + CTRL_LINK_DROP, + CTRL_SLEEP_PROXY, + CTRL_WOL, + CTRL_MAC_STOP, + CTRL_EXT_LOOPBACK, + CTRL_INT_LOOPBACK, + CTRL_RESERVED8, + CTRL_WOL_TIMER, + CTRL_STATISTICS, + CTRL_FORCE_RECONNECT, +}; + struct aq_hw_s; struct aq_fw_ops; struct aq_hw_caps_s; diff --git a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils_fw2x.c b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils_fw2x.c index c1b671e604fe..e37943760a58 100644 --- a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils_fw2x.c +++ b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils_fw2x.c @@ -215,6 +215,17 @@ static int aq_fw2x_update_stats(struct aq_hw_s *self) return hw_atl_utils_update_stats(self); } +static int aq_fw2x_renegotiate(struct aq_hw_s *self) +{ + u32 mpi_opts = aq_hw_read_reg(self, HW_ATL_FW2X_MPI_CONTROL2_ADDR); + + mpi_opts |= BIT(CTRL_FORCE_RECONNECT); + + aq_hw_write_reg(self, HW_ATL_FW2X_MPI_CONTROL2_ADDR, mpi_opts); + + return 0; +} + static int aq_fw2x_set_flow_control(struct aq_hw_s *self) { u32 mpi_state = aq_hw_read_reg(self, HW_ATL_FW2X_MPI_CONTROL2_ADDR); @@ -230,6 +241,7 @@ const struct aq_fw_ops aq_fw_2x_ops = { .init = aq_fw2x_init, .deinit = aq_fw2x_deinit, .reset = NULL, + .renegotiate = aq_fw2x_renegotiate, .get_mac_permanent = aq_fw2x_get_mac_permanent, .set_link_speed = aq_fw2x_set_link_speed, .set_state = aq_fw2x_set_state, |