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kmod-redhat-atlantic/SOURCES/0105-netdrv-net-atlantic-A2...

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From 0a2ffafa7bd0fdac22c58063462fad89fadf63ad Mon Sep 17 00:00:00 2001
From: Igor Russkikh <irusskik@redhat.com>
Date: Fri, 6 Nov 2020 18:38:02 -0500
Subject: [PATCH 105/139] [netdrv] net: atlantic: A2: half duplex support
Message-id: <1604687916-15087-106-git-send-email-irusskik@redhat.com>
Patchwork-id: 338527
Patchwork-instance: patchwork
O-Subject: [RHEL8.4 BZ 1857861 105/139] net: atlantic: A2: half duplex support
Bugzilla: 1857861
RH-Acked-by: David Arcari <darcari@redhat.com>
RH-Acked-by: John Linville <linville@redhat.com>
RH-Acked-by: Tony Camuso <tcamuso@redhat.com>
Bugzilla: http://bugzilla.redhat.com/1857861
commit 071a02046c262f633ef8d9064cf36fd6def6d0a5
Author: Igor Russkikh <irusskikh@marvell.com>
Date: Mon Jun 22 17:53:04 2020 +0300
net: atlantic: A2: half duplex support
This patch adds support for 10M/100M/1G half duplex rates, which are
supported by A2 in additional to full duplex rates supported by A1.
Signed-off-by: Igor Russkikh <irusskikh@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Igor Russkikh <irusskik@redhat.com>
Cc: David Arcari <darcari@redhat.com>
Cc: Igor Russkikh <irusskik@redhat.com>
Signed-off-by: Jan Stancek <jstancek@redhat.com>
---
drivers/net/ethernet/aquantia/atlantic/aq_common.h | 13 +++--
drivers/net/ethernet/aquantia/atlantic/aq_hw.h | 8 +--
drivers/net/ethernet/aquantia/atlantic/aq_nic.c | 60 +++++++++++++++++-----
.../aquantia/atlantic/hw_atl/hw_atl_utils.c | 1 +
.../aquantia/atlantic/hw_atl/hw_atl_utils_fw2x.c | 1 +
.../ethernet/aquantia/atlantic/hw_atl2/hw_atl2.c | 5 +-
.../aquantia/atlantic/hw_atl2/hw_atl2_utils_fw.c | 5 ++
7 files changed, 70 insertions(+), 23 deletions(-)
diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_common.h b/drivers/net/ethernet/aquantia/atlantic/aq_common.h
index 52ad9433cabc..1587528ca3f6 100644
--- a/drivers/net/ethernet/aquantia/atlantic/aq_common.h
+++ b/drivers/net/ethernet/aquantia/atlantic/aq_common.h
@@ -58,11 +58,14 @@
#define AQ_NIC_RATE_1G BIT(4)
#define AQ_NIC_RATE_100M BIT(5)
#define AQ_NIC_RATE_10M BIT(6)
+#define AQ_NIC_RATE_1G_HALF BIT(7)
+#define AQ_NIC_RATE_100M_HALF BIT(8)
+#define AQ_NIC_RATE_10M_HALF BIT(9)
-#define AQ_NIC_RATE_EEE_10G BIT(7)
-#define AQ_NIC_RATE_EEE_5G BIT(8)
-#define AQ_NIC_RATE_EEE_2G5 BIT(9)
-#define AQ_NIC_RATE_EEE_1G BIT(10)
-#define AQ_NIC_RATE_EEE_100M BIT(11)
+#define AQ_NIC_RATE_EEE_10G BIT(10)
+#define AQ_NIC_RATE_EEE_5G BIT(11)
+#define AQ_NIC_RATE_EEE_2G5 BIT(12)
+#define AQ_NIC_RATE_EEE_1G BIT(13)
+#define AQ_NIC_RATE_EEE_100M BIT(14)
#endif /* AQ_COMMON_H */
diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_hw.h b/drivers/net/ethernet/aquantia/atlantic/aq_hw.h
index 4a7fea467b78..a8efd6543f97 100644
--- a/drivers/net/ethernet/aquantia/atlantic/aq_hw.h
+++ b/drivers/net/ethernet/aquantia/atlantic/aq_hw.h
@@ -1,7 +1,8 @@
/* SPDX-License-Identifier: GPL-2.0-only */
-/*
- * aQuantia Corporation Network Driver
- * Copyright (C) 2014-2019 aQuantia Corporation. All rights reserved
+/* Atlantic Network Driver
+ *
+ * Copyright (C) 2014-2019 aQuantia Corporation
+ * Copyright (C) 2019-2020 Marvell International Ltd.
*/
/* File aq_hw.h: Declaration of abstract interface for NIC hardware specific
@@ -69,6 +70,7 @@ struct aq_hw_caps_s {
struct aq_hw_link_status_s {
unsigned int mbps;
+ bool full_duplex;
};
struct aq_stats_s {
diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_nic.c b/drivers/net/ethernet/aquantia/atlantic/aq_nic.c
index 04d2faae298b..45d33797fa73 100644
--- a/drivers/net/ethernet/aquantia/atlantic/aq_nic.c
+++ b/drivers/net/ethernet/aquantia/atlantic/aq_nic.c
@@ -923,8 +923,11 @@ void aq_nic_get_link_ksettings(struct aq_nic_s *self,
cmd->base.port = PORT_FIBRE;
else
cmd->base.port = PORT_TP;
- /* This driver supports only 10G capable adapters, so DUPLEX_FULL */
- cmd->base.duplex = DUPLEX_FULL;
+
+ cmd->base.duplex = DUPLEX_UNKNOWN;
+ if (self->link_status.mbps)
+ cmd->base.duplex = self->link_status.full_duplex ?
+ DUPLEX_FULL : DUPLEX_HALF;
cmd->base.autoneg = self->aq_nic_cfg.is_autoneg;
ethtool_link_ksettings_zero_link_mode(cmd, supported);
@@ -945,14 +948,26 @@ void aq_nic_get_link_ksettings(struct aq_nic_s *self,
ethtool_link_ksettings_add_link_mode(cmd, supported,
1000baseT_Full);
+ if (self->aq_nic_cfg.aq_hw_caps->link_speed_msk & AQ_NIC_RATE_1G_HALF)
+ ethtool_link_ksettings_add_link_mode(cmd, supported,
+ 1000baseT_Half);
+
if (self->aq_nic_cfg.aq_hw_caps->link_speed_msk & AQ_NIC_RATE_100M)
ethtool_link_ksettings_add_link_mode(cmd, supported,
100baseT_Full);
+ if (self->aq_nic_cfg.aq_hw_caps->link_speed_msk & AQ_NIC_RATE_100M_HALF)
+ ethtool_link_ksettings_add_link_mode(cmd, supported,
+ 100baseT_Half);
+
if (self->aq_nic_cfg.aq_hw_caps->link_speed_msk & AQ_NIC_RATE_10M)
ethtool_link_ksettings_add_link_mode(cmd, supported,
10baseT_Full);
+ if (self->aq_nic_cfg.aq_hw_caps->link_speed_msk & AQ_NIC_RATE_10M_HALF)
+ ethtool_link_ksettings_add_link_mode(cmd, supported,
+ 10baseT_Half);
+
if (self->aq_nic_cfg.aq_hw_caps->flow_control) {
ethtool_link_ksettings_add_link_mode(cmd, supported,
Pause);
@@ -972,30 +987,42 @@ void aq_nic_get_link_ksettings(struct aq_nic_s *self,
if (self->aq_nic_cfg.is_autoneg)
ethtool_link_ksettings_add_link_mode(cmd, advertising, Autoneg);
- if (self->aq_nic_cfg.link_speed_msk & AQ_NIC_RATE_10G)
+ if (self->aq_nic_cfg.link_speed_msk & AQ_NIC_RATE_10G)
ethtool_link_ksettings_add_link_mode(cmd, advertising,
10000baseT_Full);
- if (self->aq_nic_cfg.link_speed_msk & AQ_NIC_RATE_5G)
+ if (self->aq_nic_cfg.link_speed_msk & AQ_NIC_RATE_5G)
ethtool_link_ksettings_add_link_mode(cmd, advertising,
5000baseT_Full);
- if (self->aq_nic_cfg.link_speed_msk & AQ_NIC_RATE_2G5)
+ if (self->aq_nic_cfg.link_speed_msk & AQ_NIC_RATE_2G5)
ethtool_link_ksettings_add_link_mode(cmd, advertising,
2500baseT_Full);
- if (self->aq_nic_cfg.link_speed_msk & AQ_NIC_RATE_1G)
+ if (self->aq_nic_cfg.link_speed_msk & AQ_NIC_RATE_1G)
ethtool_link_ksettings_add_link_mode(cmd, advertising,
1000baseT_Full);
- if (self->aq_nic_cfg.link_speed_msk & AQ_NIC_RATE_100M)
+ if (self->aq_nic_cfg.link_speed_msk & AQ_NIC_RATE_1G_HALF)
+ ethtool_link_ksettings_add_link_mode(cmd, advertising,
+ 1000baseT_Half);
+
+ if (self->aq_nic_cfg.link_speed_msk & AQ_NIC_RATE_100M)
ethtool_link_ksettings_add_link_mode(cmd, advertising,
100baseT_Full);
- if (self->aq_nic_cfg.link_speed_msk & AQ_NIC_RATE_10M)
+ if (self->aq_nic_cfg.link_speed_msk & AQ_NIC_RATE_100M_HALF)
+ ethtool_link_ksettings_add_link_mode(cmd, advertising,
+ 100baseT_Half);
+
+ if (self->aq_nic_cfg.link_speed_msk & AQ_NIC_RATE_10M)
ethtool_link_ksettings_add_link_mode(cmd, advertising,
10baseT_Full);
+ if (self->aq_nic_cfg.link_speed_msk & AQ_NIC_RATE_10M_HALF)
+ ethtool_link_ksettings_add_link_mode(cmd, advertising,
+ 10baseT_Half);
+
if (self->aq_nic_cfg.fc.cur & AQ_NIC_FC_RX)
ethtool_link_ksettings_add_link_mode(cmd, advertising,
Pause);
@@ -1015,27 +1042,32 @@ void aq_nic_get_link_ksettings(struct aq_nic_s *self,
int aq_nic_set_link_ksettings(struct aq_nic_s *self,
const struct ethtool_link_ksettings *cmd)
{
- u32 speed = 0U;
+ int fduplex = (cmd->base.duplex == DUPLEX_FULL);
+ u32 speed = cmd->base.speed;
u32 rate = 0U;
int err = 0;
+ if (!fduplex && speed > SPEED_1000) {
+ err = -EINVAL;
+ goto err_exit;
+ }
+
if (cmd->base.autoneg == AUTONEG_ENABLE) {
rate = self->aq_nic_cfg.aq_hw_caps->link_speed_msk;
self->aq_nic_cfg.is_autoneg = true;
} else {
- speed = cmd->base.speed;
-
switch (speed) {
case SPEED_10:
- rate = AQ_NIC_RATE_10M;
+ rate = fduplex ? AQ_NIC_RATE_10M : AQ_NIC_RATE_10M_HALF;
break;
case SPEED_100:
- rate = AQ_NIC_RATE_100M;
+ rate = fduplex ? AQ_NIC_RATE_100M
+ : AQ_NIC_RATE_100M_HALF;
break;
case SPEED_1000:
- rate = AQ_NIC_RATE_1G;
+ rate = fduplex ? AQ_NIC_RATE_1G : AQ_NIC_RATE_1G_HALF;
break;
case SPEED_2500:
diff --git a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils.c b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils.c
index 73c0f41df8d8..1d9dee4951f9 100644
--- a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils.c
+++ b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils.c
@@ -704,6 +704,7 @@ int hw_atl_utils_mpi_get_link_status(struct aq_hw_s *self)
return -EBUSY;
}
}
+ link_status->full_duplex = true;
return 0;
}
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 8296a1e63522..92ae60ac5735 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
@@ -271,6 +271,7 @@ static int aq_fw2x_update_link_status(struct aq_hw_s *self)
} else {
link_status->mbps = 0;
}
+ link_status->full_duplex = true;
return 0;
}
diff --git a/drivers/net/ethernet/aquantia/atlantic/hw_atl2/hw_atl2.c b/drivers/net/ethernet/aquantia/atlantic/hw_atl2/hw_atl2.c
index 8df9d4ef36f0..239d077e21d7 100644
--- a/drivers/net/ethernet/aquantia/atlantic/hw_atl2/hw_atl2.c
+++ b/drivers/net/ethernet/aquantia/atlantic/hw_atl2/hw_atl2.c
@@ -64,8 +64,11 @@ const struct aq_hw_caps_s hw_atl2_caps_aqc113 = {
AQ_NIC_RATE_5G |
AQ_NIC_RATE_2G5 |
AQ_NIC_RATE_1G |
+ AQ_NIC_RATE_1G_HALF |
AQ_NIC_RATE_100M |
- AQ_NIC_RATE_10M,
+ AQ_NIC_RATE_100M_HALF |
+ AQ_NIC_RATE_10M |
+ AQ_NIC_RATE_10M_HALF,
};
static u32 hw_atl2_sem_act_rslvr_get(struct aq_hw_s *self)
diff --git a/drivers/net/ethernet/aquantia/atlantic/hw_atl2/hw_atl2_utils_fw.c b/drivers/net/ethernet/aquantia/atlantic/hw_atl2/hw_atl2_utils_fw.c
index 0ffc33bd67d0..d64dfae8803e 100644
--- a/drivers/net/ethernet/aquantia/atlantic/hw_atl2/hw_atl2_utils_fw.c
+++ b/drivers/net/ethernet/aquantia/atlantic/hw_atl2/hw_atl2_utils_fw.c
@@ -135,6 +135,10 @@ static void a2_link_speed_mask2fw(u32 speed,
link_options->rate_1G = !!(speed & AQ_NIC_RATE_1G);
link_options->rate_100M = !!(speed & AQ_NIC_RATE_100M);
link_options->rate_10M = !!(speed & AQ_NIC_RATE_10M);
+
+ link_options->rate_1G_hd = !!(speed & AQ_NIC_RATE_1G_HALF);
+ link_options->rate_100M_hd = !!(speed & AQ_NIC_RATE_100M_HALF);
+ link_options->rate_10M_hd = !!(speed & AQ_NIC_RATE_10M_HALF);
}
static int aq_a2_fw_set_link_speed(struct aq_hw_s *self, u32 speed)
@@ -202,6 +206,7 @@ static int aq_a2_fw_update_link_status(struct aq_hw_s *self)
default:
self->aq_link_status.mbps = 0;
}
+ self->aq_link_status.full_duplex = link_status.duplex;
return 0;
}
--
2.13.6
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