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-rw-r--r--drivers/infiniband/hw/mlx4/main.c71
-rw-r--r--drivers/net/ethernet/mellanox/mlx4/fw.c5
-rw-r--r--drivers/net/ethernet/mellanox/mlx4/mcg.c6
-rw-r--r--include/linux/mlx4/device.h3
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 */