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kmod-redhat-atlantic/SOURCES/0110-netdrv-net-atlantic-A2...

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From 3b424fc9c6e2cb55c3a59e2be46e178ebaeb3f2d Mon Sep 17 00:00:00 2001
From: Igor Russkikh <irusskik@redhat.com>
Date: Fri, 6 Nov 2020 18:38:07 -0500
Subject: [PATCH 110/139] [netdrv] net: atlantic: A2: phy loopback support
Message-id: <1604687916-15087-111-git-send-email-irusskik@redhat.com>
Patchwork-id: 338538
Patchwork-instance: patchwork
O-Subject: [RHEL8.4 BZ 1857861 110/139] net: atlantic: A2: phy loopback 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 ecab78703f3b87b3e21160719b08819c7cc0f4e5
Author: Dmitry Bogdanov <dbogdanov@marvell.com>
Date: Mon Jun 22 17:53:09 2020 +0300
net: atlantic: A2: phy loopback support
This patch adds the phy loopback support on A2.
Signed-off-by: Dmitry Bogdanov <dbogdanov@marvell.com>
Signed-off-by: Mark Starovoytov <mstarovoitov@marvell.com>
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>
---
.../net/ethernet/aquantia/atlantic/aq_ethtool.c | 5 +++--
.../ethernet/aquantia/atlantic/hw_atl/hw_atl_b0.c | 2 +-
.../ethernet/aquantia/atlantic/hw_atl/hw_atl_b0.h | 1 +
.../ethernet/aquantia/atlantic/hw_atl2/hw_atl2.c | 1 +
.../aquantia/atlantic/hw_atl2/hw_atl2_utils_fw.c | 23 ++++++++++++++++++++++
5 files changed, 29 insertions(+), 3 deletions(-)
diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_ethtool.c b/drivers/net/ethernet/aquantia/atlantic/aq_ethtool.c
index f800f69690ae..0a611feb94ea 100644
--- a/drivers/net/ethernet/aquantia/atlantic/aq_ethtool.c
+++ b/drivers/net/ethernet/aquantia/atlantic/aq_ethtool.c
@@ -707,6 +707,7 @@ static int aq_ethtool_set_priv_flags(struct net_device *ndev, u32 flags)
struct aq_nic_s *aq_nic = netdev_priv(ndev);
struct aq_nic_cfg_s *cfg;
u32 priv_flags;
+ int ret = 0;
cfg = aq_nic_get_cfg(aq_nic);
priv_flags = cfg->priv_flags;
@@ -728,10 +729,10 @@ static int aq_ethtool_set_priv_flags(struct net_device *ndev, u32 flags)
dev_open(ndev, NULL);
}
} else if ((priv_flags ^ flags) & AQ_HW_LOOPBACK_MASK) {
- aq_nic_set_loopback(aq_nic);
+ ret = aq_nic_set_loopback(aq_nic);
}
- return 0;
+ return ret;
}
const struct ethtool_ops aq_ethtool_ops = {
diff --git a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_b0.c b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_b0.c
index 8ed6fd845969..b023c3324a59 100644
--- a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_b0.c
+++ b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_b0.c
@@ -1556,7 +1556,7 @@ static int hw_atl_b0_hw_vlan_ctrl(struct aq_hw_s *self, bool enable)
return aq_hw_err_from_flags(self);
}
-static int hw_atl_b0_set_loopback(struct aq_hw_s *self, u32 mode, bool enable)
+int hw_atl_b0_set_loopback(struct aq_hw_s *self, u32 mode, bool enable)
{
switch (mode) {
case AQ_HW_LOOPBACK_DMA_SYS:
diff --git a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_b0.h b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_b0.h
index bd9a6fb005c9..66d158900141 100644
--- a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_b0.h
+++ b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_b0.h
@@ -63,6 +63,7 @@ void hw_atl_b0_hw_init_rx_rss_ctrl1(struct aq_hw_s *self);
int hw_atl_b0_hw_mac_addr_set(struct aq_hw_s *self, u8 *mac_addr);
int hw_atl_b0_set_fc(struct aq_hw_s *self, u32 fc, u32 tc);
+int hw_atl_b0_set_loopback(struct aq_hw_s *self, u32 mode, bool enable);
int hw_atl_b0_hw_start(struct aq_hw_s *self);
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 c306c26e802b..c65e6daad0e5 100644
--- a/drivers/net/ethernet/aquantia/atlantic/hw_atl2/hw_atl2.c
+++ b/drivers/net/ethernet/aquantia/atlantic/hw_atl2/hw_atl2.c
@@ -843,5 +843,6 @@ const struct aq_hw_ops hw_atl2_ops = {
.hw_get_hw_stats = hw_atl2_utils_get_hw_stats,
.hw_get_fw_version = hw_atl2_utils_get_fw_version,
.hw_set_offload = hw_atl_b0_hw_offload_set,
+ .hw_set_loopback = hw_atl_b0_set_loopback,
.hw_set_fc = hw_atl_b0_set_fc,
};
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 c5d1a1404042..3a9352190816 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
@@ -427,6 +427,28 @@ static u32 aq_a2_fw_get_flow_control(struct aq_hw_s *self, u32 *fcmode)
return 0;
}
+static int aq_a2_fw_set_phyloopback(struct aq_hw_s *self, u32 mode, bool enable)
+{
+ struct link_options_s link_options;
+
+ hw_atl2_shared_buffer_get(self, link_options, link_options);
+
+ switch (mode) {
+ case AQ_HW_LOOPBACK_PHYINT_SYS:
+ link_options.internal_loopback = enable;
+ break;
+ case AQ_HW_LOOPBACK_PHYEXT_SYS:
+ link_options.external_loopback = enable;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ hw_atl2_shared_buffer_write(self, link_options, link_options);
+
+ return hw_atl2_shared_buffer_finish_ack(self);
+}
+
u32 hw_atl2_utils_get_fw_version(struct aq_hw_s *self)
{
struct version_s version;
@@ -468,4 +490,5 @@ const struct aq_fw_ops aq_a2_fw_ops = {
.get_eee_rate = aq_a2_fw_get_eee_rate,
.set_flow_control = aq_a2_fw_set_flow_control,
.get_flow_control = aq_a2_fw_get_flow_control,
+ .set_phyloopback = aq_a2_fw_set_phyloopback,
};
--
2.13.6
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