diff options
author | Mark Bloch <markb@mellanox.com> | 2018-09-06 17:27:07 +0300 |
---|---|---|
committer | Jason Gunthorpe <jgg@mellanox.com> | 2018-09-11 09:28:07 -0600 |
commit | b47fd4ffe2d6422a986f19d47563d72c79ebbc21 (patch) | |
tree | 457381dbfa9097275cdcc194be1ed63b817683d5 /drivers/infiniband/hw/mlx5/main.c | |
parent | fa76d24ee0aa24fff3fa9ba71fc2179fb88fef6a (diff) |
RDMA/mlx5: Add NIC TX namespace when getting a flow table
Add the ability to get a NIC TX flow table when using _get_flow_table().
This will allow to create a matcher and a flow rule on the NIC TX path.
Signed-off-by: Mark Bloch <markb@mellanox.com>
Reviewed-by: Yishai Hadas <yishaih@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Diffstat (limited to 'drivers/infiniband/hw/mlx5/main.c')
-rw-r--r-- | drivers/infiniband/hw/mlx5/main.c | 41 |
1 files changed, 30 insertions, 11 deletions
diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c index b258a6e19c6a..e311b6f8e1ee 100644 --- a/drivers/infiniband/hw/mlx5/main.c +++ b/drivers/infiniband/hw/mlx5/main.c @@ -3719,34 +3719,54 @@ free_ucmd: return ERR_PTR(err); } -static struct mlx5_ib_flow_prio *_get_flow_table(struct mlx5_ib_dev *dev, - int priority, bool mcast) +static struct mlx5_ib_flow_prio * +_get_flow_table(struct mlx5_ib_dev *dev, + struct mlx5_ib_flow_matcher *fs_matcher, + bool mcast) { - int max_table_size; struct mlx5_flow_namespace *ns = NULL; struct mlx5_ib_flow_prio *prio; + int max_table_size; + u32 flags = 0; + int priority; + + if (fs_matcher->ns_type == MLX5_FLOW_NAMESPACE_BYPASS) { + max_table_size = BIT(MLX5_CAP_FLOWTABLE_NIC_RX(dev->mdev, + log_max_ft_size)); + if (MLX5_CAP_FLOWTABLE_NIC_RX(dev->mdev, decap)) + flags |= MLX5_FLOW_TABLE_TUNNEL_EN_DECAP; + if (MLX5_CAP_FLOWTABLE_NIC_RX(dev->mdev, + reformat_l3_tunnel_to_l2)) + flags |= MLX5_FLOW_TABLE_TUNNEL_EN_REFORMAT; + } else { /* Can only be MLX5_FLOW_NAMESPACE_EGRESS */ + max_table_size = BIT(MLX5_CAP_FLOWTABLE_NIC_TX(dev->mdev, + log_max_ft_size)); + if (MLX5_CAP_FLOWTABLE_NIC_TX(dev->mdev, reformat)) + flags |= MLX5_FLOW_TABLE_TUNNEL_EN_REFORMAT; + } - max_table_size = BIT(MLX5_CAP_FLOWTABLE_NIC_RX(dev->mdev, - log_max_ft_size)); if (max_table_size < MLX5_FS_MAX_ENTRIES) return ERR_PTR(-ENOMEM); if (mcast) priority = MLX5_IB_FLOW_MCAST_PRIO; else - priority = ib_prio_to_core_prio(priority, false); + priority = ib_prio_to_core_prio(fs_matcher->priority, false); - ns = mlx5_get_flow_namespace(dev->mdev, MLX5_FLOW_NAMESPACE_BYPASS); + ns = mlx5_get_flow_namespace(dev->mdev, fs_matcher->ns_type); if (!ns) return ERR_PTR(-ENOTSUPP); - prio = &dev->flow_db->prios[priority]; + if (fs_matcher->ns_type == MLX5_FLOW_NAMESPACE_BYPASS) + prio = &dev->flow_db->prios[priority]; + else + prio = &dev->flow_db->egress_prios[priority]; if (prio->flow_table) return prio; return _get_prio(ns, prio, priority, MLX5_FS_MAX_ENTRIES, - MLX5_FS_MAX_TYPES, 0); + MLX5_FS_MAX_TYPES, flags); } static struct mlx5_ib_flow_handler * @@ -3845,7 +3865,6 @@ mlx5_ib_raw_fs_rule_add(struct mlx5_ib_dev *dev, { struct mlx5_flow_destination *dst; struct mlx5_ib_flow_prio *ft_prio; - int priority = fs_matcher->priority; struct mlx5_ib_flow_handler *handler; bool mcast; int err; @@ -3863,7 +3882,7 @@ mlx5_ib_raw_fs_rule_add(struct mlx5_ib_dev *dev, mcast = raw_fs_is_multicast(fs_matcher, cmd_in); mutex_lock(&dev->flow_db->lock); - ft_prio = _get_flow_table(dev, priority, mcast); + ft_prio = _get_flow_table(dev, fs_matcher, mcast); if (IS_ERR(ft_prio)) { err = PTR_ERR(ft_prio); goto unlock; |