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-rw-r--r--drivers/net/ethernet/mellanox/mlx4/en_netdev.c14
-rw-r--r--drivers/net/ethernet/mellanox/mlx4/fw.c8
-rw-r--r--drivers/net/ethernet/mellanox/mlx4/main.c21
-rw-r--r--drivers/net/ethernet/mellanox/mlx4/mlx4.h6
-rw-r--r--drivers/net/ethernet/mellanox/mlx4/port.c34
-rw-r--r--include/linux/mlx4/device.h3
6 files changed, 84 insertions, 2 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c
index 333af3405a80..0f1afc085d58 100644
--- a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c
+++ b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c
@@ -2204,6 +2204,17 @@ static int mlx4_en_set_features(struct net_device *netdev,
reset = true;
}
+ if (DEV_FEATURE_CHANGED(netdev, features, NETIF_F_RXALL)) {
+ u8 ignore_fcs_value = (features & NETIF_F_RXALL) ? 1 : 0;
+
+ en_info(priv, "Turn %s RX-ALL\n",
+ ignore_fcs_value ? "ON" : "OFF");
+ ret = mlx4_SET_PORT_fcs_check(priv->mdev->dev,
+ priv->port, ignore_fcs_value);
+ if (ret)
+ return ret;
+ }
+
if (DEV_FEATURE_CHANGED(netdev, features, NETIF_F_HW_VLAN_CTAG_RX)) {
en_info(priv, "Turn %s RX vlan strip offload\n",
(features & NETIF_F_HW_VLAN_CTAG_RX) ? "ON" : "OFF");
@@ -2914,6 +2925,9 @@ int mlx4_en_init_netdev(struct mlx4_en_dev *mdev, int port,
if (mdev->dev->caps.flags & MLX4_DEV_CAP_FLAG_FCS_KEEP)
dev->hw_features |= NETIF_F_RXFCS;
+ if (mdev->dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_IGNORE_FCS)
+ dev->hw_features |= NETIF_F_RXALL;
+
if (mdev->dev->caps.steering_mode ==
MLX4_STEERING_MODE_DEVICE_MANAGED &&
mdev->dev->caps.dmfs_high_steer_mode != MLX4_STEERING_DMFS_A0_STATIC)
diff --git a/drivers/net/ethernet/mellanox/mlx4/fw.c b/drivers/net/ethernet/mellanox/mlx4/fw.c
index 6317844b291f..b9881fc1252f 100644
--- a/drivers/net/ethernet/mellanox/mlx4/fw.c
+++ b/drivers/net/ethernet/mellanox/mlx4/fw.c
@@ -151,6 +151,7 @@ static void dump_dev_cap_flags2(struct mlx4_dev *dev, u64 flags)
[25] = "Granular QoS per VF support",
[26] = "Port ETS Scheduler support",
[27] = "Port beacon support",
+ [28] = "RX-ALL support",
};
int i;
@@ -893,6 +894,8 @@ int mlx4_QUERY_DEV_CAP(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap)
MLX4_GET(field, outbox, QUERY_DEV_CAP_CONFIG_DEV_OFFSET);
if (field & 0x20)
dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_CONFIG_DEV;
+ if (field & (1 << 2))
+ dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_IGNORE_FCS;
MLX4_GET(dev_cap->reserved_lkey, outbox,
QUERY_DEV_CAP_RSVD_LKEY_OFFSET);
MLX4_GET(field32, outbox, QUERY_DEV_CAP_ETH_BACKPL_OFFSET);
@@ -1220,6 +1223,11 @@ int mlx4_QUERY_DEV_CAP_wrapper(struct mlx4_dev *dev, int slave,
field &= 0xef;
MLX4_PUT(outbox->buf, field, QUERY_DEV_CAP_CQ_EQ_CACHE_LINE_STRIDE);
+ /* turn off ignore FCS feature for guests */
+ MLX4_GET(field, outbox->buf, QUERY_DEV_CAP_CONFIG_DEV_OFFSET);
+ field &= 0xfb;
+ MLX4_PUT(outbox->buf, field, QUERY_DEV_CAP_CONFIG_DEV_OFFSET);
+
return 0;
}
diff --git a/drivers/net/ethernet/mellanox/mlx4/main.c b/drivers/net/ethernet/mellanox/mlx4/main.c
index 3becad37aec8..acceb75e8c44 100644
--- a/drivers/net/ethernet/mellanox/mlx4/main.c
+++ b/drivers/net/ethernet/mellanox/mlx4/main.c
@@ -297,6 +297,25 @@ static int mlx4_dev_port(struct mlx4_dev *dev, int port,
return err;
}
+static inline void mlx4_enable_ignore_fcs(struct mlx4_dev *dev)
+{
+ if (!(dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_IGNORE_FCS))
+ return;
+
+ if (mlx4_is_mfunc(dev)) {
+ mlx4_dbg(dev, "SRIOV mode - Disabling Ignore FCS");
+ dev->caps.flags2 &= ~MLX4_DEV_CAP_FLAG2_IGNORE_FCS;
+ return;
+ }
+
+ if (!(dev->caps.flags & MLX4_DEV_CAP_FLAG_FCS_KEEP)) {
+ mlx4_dbg(dev,
+ "Keep FCS is not supported - Disabling Ignore FCS");
+ dev->caps.flags2 &= ~MLX4_DEV_CAP_FLAG2_IGNORE_FCS;
+ return;
+ }
+}
+
#define MLX4_A0_STEERING_TABLE_SIZE 256
static int mlx4_dev_cap(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap)
{
@@ -540,6 +559,8 @@ static int mlx4_dev_cap(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap)
dev->caps.alloc_res_qp_mask = 0;
}
+ mlx4_enable_ignore_fcs(dev);
+
return 0;
}
diff --git a/drivers/net/ethernet/mellanox/mlx4/mlx4.h b/drivers/net/ethernet/mellanox/mlx4/mlx4.h
index 32469c64d580..f30eeb730a86 100644
--- a/drivers/net/ethernet/mellanox/mlx4/mlx4.h
+++ b/drivers/net/ethernet/mellanox/mlx4/mlx4.h
@@ -763,9 +763,11 @@ enum {
struct mlx4_set_port_general_context {
- u8 reserved[3];
+ u16 reserved1;
+ u8 v_ignore_fcs;
u8 flags;
- u16 reserved2;
+ u8 ignore_fcs;
+ u8 reserved2;
__be16 mtu;
u8 pptx;
u8 pfctx;
diff --git a/drivers/net/ethernet/mellanox/mlx4/port.c b/drivers/net/ethernet/mellanox/mlx4/port.c
index e8d716dfd5cb..c2b21313dba7 100644
--- a/drivers/net/ethernet/mellanox/mlx4/port.c
+++ b/drivers/net/ethernet/mellanox/mlx4/port.c
@@ -45,6 +45,14 @@
#define MLX4_VLAN_VALID (1u << 31)
#define MLX4_VLAN_MASK 0xfff
+#define MLX4_STATS_TRAFFIC_COUNTERS_MASK 0xfULL
+#define MLX4_STATS_TRAFFIC_DROPS_MASK 0xc0ULL
+#define MLX4_STATS_ERROR_COUNTERS_MASK 0x1ffc30ULL
+#define MLX4_STATS_PORT_COUNTERS_MASK 0x1fe00000ULL
+
+#define MLX4_FLAG_V_IGNORE_FCS_MASK 0x2
+#define MLX4_IGNORE_FCS_MASK 0x1
+
void mlx4_init_mac_table(struct mlx4_dev *dev, struct mlx4_mac_table *table)
{
int i;
@@ -1027,6 +1035,32 @@ int mlx4_SET_PORT_qpn_calc(struct mlx4_dev *dev, u8 port, u32 base_qpn,
}
EXPORT_SYMBOL(mlx4_SET_PORT_qpn_calc);
+int mlx4_SET_PORT_fcs_check(struct mlx4_dev *dev, u8 port, u8 ignore_fcs_value)
+{
+ struct mlx4_cmd_mailbox *mailbox;
+ struct mlx4_set_port_general_context *context;
+ u32 in_mod;
+ int err;
+
+ mailbox = mlx4_alloc_cmd_mailbox(dev);
+ if (IS_ERR(mailbox))
+ return PTR_ERR(mailbox);
+ context = mailbox->buf;
+ context->v_ignore_fcs |= MLX4_FLAG_V_IGNORE_FCS_MASK;
+ if (ignore_fcs_value)
+ context->ignore_fcs |= MLX4_IGNORE_FCS_MASK;
+ else
+ context->ignore_fcs &= ~MLX4_IGNORE_FCS_MASK;
+
+ in_mod = MLX4_SET_PORT_GENERAL << 8 | port;
+ err = mlx4_cmd(dev, mailbox->dma, in_mod, 1, MLX4_CMD_SET_PORT,
+ MLX4_CMD_TIME_CLASS_B, MLX4_CMD_NATIVE);
+
+ mlx4_free_cmd_mailbox(dev, mailbox);
+ return err;
+}
+EXPORT_SYMBOL(mlx4_SET_PORT_fcs_check);
+
enum {
VXLAN_ENABLE_MODIFY = 1 << 7,
VXLAN_STEERING_MODIFY = 1 << 6,
diff --git a/include/linux/mlx4/device.h b/include/linux/mlx4/device.h
index b761be7c88c8..f9ce34bec45b 100644
--- a/include/linux/mlx4/device.h
+++ b/include/linux/mlx4/device.h
@@ -209,6 +209,7 @@ enum {
MLX4_DEV_CAP_FLAG2_QOS_VPP = 1LL << 25,
MLX4_DEV_CAP_FLAG2_ETS_CFG = 1LL << 26,
MLX4_DEV_CAP_FLAG2_PORT_BEACON = 1LL << 27,
+ MLX4_DEV_CAP_FLAG2_IGNORE_FCS = 1LL << 28,
};
enum {
@@ -1313,6 +1314,8 @@ int mlx4_SET_PORT_general(struct mlx4_dev *dev, u8 port, int mtu,
int mlx4_SET_PORT_qpn_calc(struct mlx4_dev *dev, u8 port, u32 base_qpn,
u8 promisc);
int mlx4_SET_PORT_BEACON(struct mlx4_dev *dev, u8 port, u16 time);
+int mlx4_SET_PORT_fcs_check(struct mlx4_dev *dev, u8 port,
+ u8 ignore_fcs_value);
int mlx4_SET_PORT_VXLAN(struct mlx4_dev *dev, u8 port, u8 steering, int enable);
int mlx4_find_cached_mac(struct mlx4_dev *dev, u8 port, u64 mac, int *idx);
int mlx4_find_cached_vlan(struct mlx4_dev *dev, u8 port, u16 vid, int *idx);