diff options
| -rw-r--r-- | drivers/infiniband/hw/mlx4/main.c | 71 | ||||
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx4/fw.c | 5 | ||||
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx4/mcg.c | 6 | ||||
| -rw-r--r-- | include/linux/mlx4/device.h | 3 |
4 files changed, 78 insertions, 7 deletions
diff --git a/drivers/infiniband/hw/mlx4/main.c b/drivers/infiniband/hw/mlx4/main.c index 41f2c25df0d6..914bc98e753f 100644 --- a/drivers/infiniband/hw/mlx4/main.c +++ b/drivers/infiniband/hw/mlx4/main.c @@ -1643,6 +1643,56 @@ static int mlx4_ib_tunnel_steer_add(struct ib_qp *qp, struct ib_flow_attr *flow_ return err; } +static int mlx4_ib_add_dont_trap_rule(struct mlx4_dev *dev, + struct ib_flow_attr *flow_attr, + enum mlx4_net_trans_promisc_mode *type) +{ + int err = 0; + + if (!(dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_DMFS_UC_MC_SNIFFER) || + (dev->caps.dmfs_high_steer_mode == MLX4_STEERING_DMFS_A0_STATIC) || + (flow_attr->num_of_specs > 1) || (flow_attr->priority != 0)) { + return -EOPNOTSUPP; + } + + if (flow_attr->num_of_specs == 0) { + type[0] = MLX4_FS_MC_SNIFFER; + type[1] = MLX4_FS_UC_SNIFFER; + } else { + union ib_flow_spec *ib_spec; + + ib_spec = (union ib_flow_spec *)(flow_attr + 1); + if (ib_spec->type != IB_FLOW_SPEC_ETH) + return -EINVAL; + + /* if all is zero than MC and UC */ + if (is_zero_ether_addr(ib_spec->eth.mask.dst_mac)) { + type[0] = MLX4_FS_MC_SNIFFER; + type[1] = MLX4_FS_UC_SNIFFER; + } else { + u8 mac[ETH_ALEN] = {ib_spec->eth.mask.dst_mac[0] ^ 0x01, + ib_spec->eth.mask.dst_mac[1], + ib_spec->eth.mask.dst_mac[2], + ib_spec->eth.mask.dst_mac[3], + ib_spec->eth.mask.dst_mac[4], + ib_spec->eth.mask.dst_mac[5]}; + + /* Above xor was only on MC bit, non empty mask is valid + * only if this bit is set and rest are zero. + */ + if (!is_zero_ether_addr(&mac[0])) + return -EINVAL; + + if (is_multicast_ether_addr(ib_spec->eth.val.dst_mac)) + type[0] = MLX4_FS_MC_SNIFFER; + else + type[0] = MLX4_FS_UC_SNIFFER; + } + } + + return err; +} + static struct ib_flow *mlx4_ib_create_flow(struct ib_qp *qp, struct ib_flow_attr *flow_attr, int domain) @@ -1653,7 +1703,8 @@ static struct ib_flow *mlx4_ib_create_flow(struct ib_qp *qp, struct mlx4_dev *dev = (to_mdev(qp->device))->dev; int is_bonded = mlx4_is_bonded(dev); - if (flow_attr->flags & IB_FLOW_ATTR_FLAGS_DONT_TRAP) + if ((flow_attr->flags & IB_FLOW_ATTR_FLAGS_DONT_TRAP) && + (flow_attr->type != IB_FLOW_ATTR_NORMAL)) return ERR_PTR(-EOPNOTSUPP); memset(type, 0, sizeof(type)); @@ -1666,7 +1717,19 @@ static struct ib_flow *mlx4_ib_create_flow(struct ib_qp *qp, switch (flow_attr->type) { case IB_FLOW_ATTR_NORMAL: - type[0] = MLX4_FS_REGULAR; + /* If dont trap flag (continue match) is set, under specific + * condition traffic be replicated to given qp, + * without stealing it + */ + if (unlikely(flow_attr->flags & IB_FLOW_ATTR_FLAGS_DONT_TRAP)) { + err = mlx4_ib_add_dont_trap_rule(dev, + flow_attr, + type); + if (err) + goto err_free; + } else { + type[0] = MLX4_FS_REGULAR; + } break; case IB_FLOW_ATTR_ALL_DEFAULT: @@ -1678,8 +1741,8 @@ static struct ib_flow *mlx4_ib_create_flow(struct ib_qp *qp, break; case IB_FLOW_ATTR_SNIFFER: - type[0] = MLX4_FS_UC_SNIFFER; - type[1] = MLX4_FS_MC_SNIFFER; + type[0] = MLX4_FS_MIRROR_RX_PORT; + type[1] = MLX4_FS_MIRROR_SX_PORT; break; default: diff --git a/drivers/net/ethernet/mellanox/mlx4/fw.c b/drivers/net/ethernet/mellanox/mlx4/fw.c index d66c690a8597..e97094598b2d 100644 --- a/drivers/net/ethernet/mellanox/mlx4/fw.c +++ b/drivers/net/ethernet/mellanox/mlx4/fw.c @@ -157,7 +157,8 @@ 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" + [33] = "RoCEv2 support", + [34] = "DMFS Sniffer support (UC & MC)" }; int i; @@ -810,6 +811,8 @@ int mlx4_QUERY_DEV_CAP(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap) if (field & 0x80) dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_FS_EN; dev_cap->fs_log_max_ucast_qp_range_size = field & 0x1f; + if (field & 0x20) + dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_DMFS_UC_MC_SNIFFER; MLX4_GET(field, outbox, QUERY_DEV_CAP_PORT_BEACON_OFFSET); if (field & 0x80) dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_PORT_BEACON; diff --git a/drivers/net/ethernet/mellanox/mlx4/mcg.c b/drivers/net/ethernet/mellanox/mlx4/mcg.c index 1d4e2e054647..42d8de892bfe 100644 --- a/drivers/net/ethernet/mellanox/mlx4/mcg.c +++ b/drivers/net/ethernet/mellanox/mlx4/mcg.c @@ -752,8 +752,10 @@ static const u8 __promisc_mode[] = { [MLX4_FS_REGULAR] = 0x0, [MLX4_FS_ALL_DEFAULT] = 0x1, [MLX4_FS_MC_DEFAULT] = 0x3, - [MLX4_FS_UC_SNIFFER] = 0x4, - [MLX4_FS_MC_SNIFFER] = 0x5, + [MLX4_FS_MIRROR_RX_PORT] = 0x4, + [MLX4_FS_MIRROR_SX_PORT] = 0x5, + [MLX4_FS_UC_SNIFFER] = 0x6, + [MLX4_FS_MC_SNIFFER] = 0x7, }; int mlx4_map_sw_to_hw_steering_mode(struct mlx4_dev *dev, diff --git a/include/linux/mlx4/device.h b/include/linux/mlx4/device.h index a0e8cc8dcc67..8541a913f6a3 100644 --- a/include/linux/mlx4/device.h +++ b/include/linux/mlx4/device.h @@ -219,6 +219,7 @@ enum { MLX4_DEV_CAP_FLAG2_UPDATE_QP_SRC_CHECK_LB = 1ULL << 31, MLX4_DEV_CAP_FLAG2_LB_SRC_CHK = 1ULL << 32, MLX4_DEV_CAP_FLAG2_ROCE_V1_V2 = 1ULL << 33, + MLX4_DEV_CAP_FLAG2_DMFS_UC_MC_SNIFFER = 1ULL << 34, }; enum { @@ -1160,6 +1161,8 @@ enum mlx4_net_trans_promisc_mode { MLX4_FS_REGULAR = 1, MLX4_FS_ALL_DEFAULT, MLX4_FS_MC_DEFAULT, + MLX4_FS_MIRROR_RX_PORT, + MLX4_FS_MIRROR_SX_PORT, MLX4_FS_UC_SNIFFER, MLX4_FS_MC_SNIFFER, MLX4_FS_MODE_NUM, /* should be last */ |