diff options
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx4/fw.c')
-rw-r--r-- | drivers/net/ethernet/mellanox/mlx4/fw.c | 39 |
1 files changed, 38 insertions, 1 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx4/fw.c b/drivers/net/ethernet/mellanox/mlx4/fw.c index 2c2baab9d880..d66c690a8597 100644 --- a/drivers/net/ethernet/mellanox/mlx4/fw.c +++ b/drivers/net/ethernet/mellanox/mlx4/fw.c @@ -157,6 +157,7 @@ static void dump_dev_cap_flags2(struct mlx4_dev *dev, u64 flags) [29] = "802.1ad offload support", [31] = "Modifying loopback source checks using UPDATE_QP support", [32] = "Loopback source checks support", + [33] = "RoCEv2 support" }; int i; @@ -626,6 +627,8 @@ out: return err; } +static void disable_unsupported_roce_caps(void *buf); + int mlx4_QUERY_DEV_CAP(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap) { struct mlx4_cmd_mailbox *mailbox; @@ -738,6 +741,8 @@ int mlx4_QUERY_DEV_CAP(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap) if (err) goto out; + if (mlx4_is_mfunc(dev)) + disable_unsupported_roce_caps(outbox); MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_QP_OFFSET); dev_cap->reserved_qps = 1 << (field & 0xf); MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_QP_OFFSET); @@ -905,6 +910,8 @@ int mlx4_QUERY_DEV_CAP(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap) dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_EQE_STRIDE; MLX4_GET(dev_cap->bmme_flags, outbox, QUERY_DEV_CAP_BMME_FLAGS_OFFSET); + if (dev_cap->bmme_flags & MLX4_FLAG_ROCE_V1_V2) + dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_ROCE_V1_V2; if (dev_cap->bmme_flags & MLX4_FLAG_PORT_REMAP) dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_PORT_REMAP; MLX4_GET(field, outbox, QUERY_DEV_CAP_CONFIG_DEV_OFFSET); @@ -1161,6 +1168,7 @@ int mlx4_QUERY_DEV_CAP_wrapper(struct mlx4_dev *dev, int slave, if (err) return err; + disable_unsupported_roce_caps(outbox->buf); /* add port mng change event capability and disable mw type 1 * unconditionally to slaves */ @@ -1258,6 +1266,21 @@ int mlx4_QUERY_DEV_CAP_wrapper(struct mlx4_dev *dev, int slave, return 0; } +static void disable_unsupported_roce_caps(void *buf) +{ + u32 flags; + + MLX4_GET(flags, buf, QUERY_DEV_CAP_EXT_FLAGS_OFFSET); + flags &= ~(1UL << 31); + MLX4_PUT(buf, flags, QUERY_DEV_CAP_EXT_FLAGS_OFFSET); + MLX4_GET(flags, buf, QUERY_DEV_CAP_EXT_2_FLAGS_OFFSET); + flags &= ~(1UL << 24); + MLX4_PUT(buf, flags, QUERY_DEV_CAP_EXT_2_FLAGS_OFFSET); + MLX4_GET(flags, buf, QUERY_DEV_CAP_BMME_FLAGS_OFFSET); + flags &= ~(MLX4_FLAG_ROCE_V1_V2); + MLX4_PUT(buf, flags, QUERY_DEV_CAP_BMME_FLAGS_OFFSET); +} + int mlx4_QUERY_PORT_wrapper(struct mlx4_dev *dev, int slave, struct mlx4_vhcr *vhcr, struct mlx4_cmd_mailbox *inbox, @@ -2239,7 +2262,8 @@ struct mlx4_config_dev { __be32 rsvd1[3]; __be16 vxlan_udp_dport; __be16 rsvd2; - __be32 rsvd3; + __be16 roce_v2_entropy; + __be16 roce_v2_udp_dport; __be32 roce_flags; __be32 rsvd4[25]; __be16 rsvd5; @@ -2248,6 +2272,7 @@ struct mlx4_config_dev { }; #define MLX4_VXLAN_UDP_DPORT (1 << 0) +#define MLX4_ROCE_V2_UDP_DPORT BIT(3) #define MLX4_DISABLE_RX_PORT BIT(18) static int mlx4_CONFIG_DEV_set(struct mlx4_dev *dev, struct mlx4_config_dev *config_dev) @@ -2365,6 +2390,18 @@ int mlx4_disable_rx_port_check(struct mlx4_dev *dev, bool dis) return mlx4_CONFIG_DEV_set(dev, &config_dev); } +int mlx4_config_roce_v2_port(struct mlx4_dev *dev, u16 udp_port) +{ + struct mlx4_config_dev config_dev; + + memset(&config_dev, 0, sizeof(config_dev)); + config_dev.update_flags = cpu_to_be32(MLX4_ROCE_V2_UDP_DPORT); + config_dev.roce_v2_udp_dport = cpu_to_be16(udp_port); + + return mlx4_CONFIG_DEV_set(dev, &config_dev); +} +EXPORT_SYMBOL_GPL(mlx4_config_roce_v2_port); + int mlx4_virt2phy_port_map(struct mlx4_dev *dev, u32 port1, u32 port2) { struct mlx4_cmd_mailbox *mailbox; |