RDMA/mlx5: Move rep into port struct

In preparation of moving into a model of single IB device multiple ports
move rep to be part of the port structure. We mark a representor device by
setting is_rep, no functional change with this patch.

Signed-off-by: Mark Bloch <markb@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>

diff --git a/drivers/infiniband/hw/mlx5/devx.c b/drivers/infiniband/hw/mlx5/devx.c
index d468f11..9e35560 100644 (file)
--- a/drivers/infiniband/hw/mlx5/devx.c
+++ b/drivers/infiniband/hw/mlx5/devx.c
@@ -1904,7 +1904,7 @@ static bool devx_is_supported(struct ib_device *device)
 {
        struct mlx5_ib_dev *dev = to_mdev(device);
 
-       return !dev->rep && MLX5_CAP_GEN(dev->mdev, log_max_uctx);
+       return !dev->is_rep && MLX5_CAP_GEN(dev->mdev, log_max_uctx);
 }
 
 const struct uapi_definition mlx5_ib_devx_defs[] = {

diff --git a/drivers/infiniband/hw/mlx5/flow.c b/drivers/infiniband/hw/mlx5/flow.c
index b9affbd..09f5bc6 100644 (file)
--- a/drivers/infiniband/hw/mlx5/flow.c
+++ b/drivers/infiniband/hw/mlx5/flow.c
@@ -621,7 +621,7 @@ DECLARE_UVERBS_NAMED_OBJECT(MLX5_IB_OBJECT_FLOW_MATCHER,
 
 static bool flow_is_supported(struct ib_device *device)
 {
-       return !to_mdev(device)->rep;
+       return !to_mdev(device)->is_rep;
 }
 
 const struct uapi_definition mlx5_ib_flow_defs[] = {

diff --git a/drivers/infiniband/hw/mlx5/ib_rep.c b/drivers/infiniband/hw/mlx5/ib_rep.c
index 14ac728..64256dc 100644 (file)
--- a/drivers/infiniband/hw/mlx5/ib_rep.c
+++ b/drivers/infiniband/hw/mlx5/ib_rep.c
@@ -69,7 +69,8 @@ mlx5_ib_vport_rep_load(struct mlx5_core_dev *dev, struct mlx5_eswitch_rep *rep)
                return -ENOMEM;
        }
 
-       ibdev->rep = rep;
+       ibdev->is_rep = true;
+       ibdev->port[0].rep = rep;
        ibdev->mdev = dev;
        ibdev->num_ports = num_ports;
 
@@ -151,12 +152,12 @@ int create_flow_rule_vport_sq(struct mlx5_ib_dev *dev,
        struct mlx5_flow_handle *flow_rule;
        struct mlx5_eswitch *esw = dev->mdev->priv.eswitch;
 
-       if (!dev->rep)
+       if (!dev->is_rep)
                return 0;
 
        flow_rule =
                mlx5_eswitch_add_send_to_vport_rule(esw,
-                                                   dev->rep->vport,
+                                                   dev->port[0].rep->vport,
                                                    sq->base.mqp.qpn);
        if (IS_ERR(flow_rule))
                return PTR_ERR(flow_rule);

diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c
index 007ba3f..38c7156 100644 (file)
--- a/drivers/infiniband/hw/mlx5/main.c
+++ b/drivers/infiniband/hw/mlx5/main.c
@@ -173,12 +173,12 @@ static int mlx5_netdev_event(struct notifier_block *this,
        switch (event) {
        case NETDEV_REGISTER:
                write_lock(&roce->netdev_lock);
-               if (ibdev->rep) {
+               if (ibdev->is_rep) {
                        struct mlx5_eswitch *esw = ibdev->mdev->priv.eswitch;
+                       struct mlx5_eswitch_rep *rep = ibdev->port[0].rep;
                        struct net_device *rep_ndev;
 
-                       rep_ndev = mlx5_ib_get_rep_netdev(esw,
-                                                         ibdev->rep->vport);
+                       rep_ndev = mlx5_ib_get_rep_netdev(esw, rep->vport);
                        if (rep_ndev == ndev)
                                roce->netdev = ndev;
                } else if (ndev->dev.parent == &mdev->pdev->dev) {
@@ -3153,10 +3153,10 @@ static struct mlx5_ib_flow_prio *get_flow_table(struct mlx5_ib_dev *dev,
                if (ft_type == MLX5_IB_FT_RX) {
                        fn_type = MLX5_FLOW_NAMESPACE_BYPASS;
                        prio = &dev->flow_db->prios[priority];
-                       if (!dev->rep &&
+                       if (!dev->is_rep &&
                            MLX5_CAP_FLOWTABLE_NIC_RX(dev->mdev, decap))
                                flags |= MLX5_FLOW_TABLE_TUNNEL_EN_DECAP;
-                       if (!dev->rep &&
+                       if (!dev->is_rep &&
                            MLX5_CAP_FLOWTABLE_NIC_RX(dev->mdev,
                                        reformat_l3_tunnel_to_l2))
                                flags |= MLX5_FLOW_TABLE_TUNNEL_EN_REFORMAT;
@@ -3166,7 +3166,7 @@ static struct mlx5_ib_flow_prio *get_flow_table(struct mlx5_ib_dev *dev,
                                                              log_max_ft_size));
                        fn_type = MLX5_FLOW_NAMESPACE_EGRESS;
                        prio = &dev->flow_db->egress_prios[priority];
-                       if (!dev->rep &&
+                       if (!dev->is_rep &&
                            MLX5_CAP_FLOWTABLE_NIC_TX(dev->mdev, reformat))
                                flags |= MLX5_FLOW_TABLE_TUNNEL_EN_REFORMAT;
                }
@@ -3372,7 +3372,7 @@ static struct mlx5_ib_flow_handler *_create_flow_rule(struct mlx5_ib_dev *dev,
        if (!is_valid_attr(dev->mdev, flow_attr))
                return ERR_PTR(-EINVAL);
 
-       if (dev->rep && is_egress)
+       if (dev->is_rep && is_egress)
                return ERR_PTR(-EINVAL);
 
        spec = kvzalloc(sizeof(*spec), GFP_KERNEL);
@@ -3403,13 +3403,17 @@ static struct mlx5_ib_flow_handler *_create_flow_rule(struct mlx5_ib_dev *dev,
        if (!flow_is_multicast_only(flow_attr))
                set_underlay_qp(dev, spec, underlay_qpn);
 
-       if (dev->rep) {
+       if (dev->is_rep) {
                void *misc;
 
+               if (!dev->port[flow_attr->port - 1].rep) {
+                       err = -EINVAL;
+                       goto free;
+               }
                misc = MLX5_ADDR_OF(fte_match_param, spec->match_value,
                                    misc_parameters);
                MLX5_SET(fte_match_set_misc, misc, source_port,
-                        dev->rep->vport);
+                        dev->port[flow_attr->port - 1].rep->vport);
                misc = MLX5_ADDR_OF(fte_match_param, spec->match_criteria,
                                    misc_parameters);
                MLX5_SET_TO_ONES(fte_match_set_misc, misc, source_port);

diff --git a/drivers/infiniband/hw/mlx5/mlx5_ib.h b/drivers/infiniband/hw/mlx5/mlx5_ib.h
index ad0effe..9445e7f 100644 (file)
--- a/drivers/infiniband/hw/mlx5/mlx5_ib.h
+++ b/drivers/infiniband/hw/mlx5/mlx5_ib.h
@@ -720,6 +720,7 @@ struct mlx5_ib_port {
        struct mlx5_ib_multiport mp;
        struct mlx5_ib_dbg_cc_params *dbg_cc_params;
        struct mlx5_roce roce;
+       struct mlx5_eswitch_rep         *rep;
 };
 
 struct mlx5_ib_dbg_param {
@@ -940,7 +941,7 @@ struct mlx5_ib_dev {
        struct mlx5_sq_bfreg    fp_bfreg;
        struct mlx5_ib_delay_drop       delay_drop;
        const struct mlx5_ib_profile    *profile;
-       struct mlx5_eswitch_rep         *rep;
+       bool                    is_rep;
        int                             lag_active;
 
        struct mlx5_ib_lb_state         lb;

diff --git a/drivers/infiniband/hw/mlx5/mr.c b/drivers/infiniband/hw/mlx5/mr.c
index b7bb7ab..4381cdd 100644 (file)
--- a/drivers/infiniband/hw/mlx5/mr.c
+++ b/drivers/infiniband/hw/mlx5/mr.c
@@ -600,7 +600,7 @@ static void clean_keys(struct mlx5_ib_dev *dev, int c)
 
 static void mlx5_mr_cache_debugfs_cleanup(struct mlx5_ib_dev *dev)
 {
-       if (!mlx5_debugfs_root || dev->rep)
+       if (!mlx5_debugfs_root || dev->is_rep)
                return;
 
        debugfs_remove_recursive(dev->cache.root);
@@ -614,7 +614,7 @@ static void mlx5_mr_cache_debugfs_init(struct mlx5_ib_dev *dev)
        struct dentry *dir;
        int i;
 
-       if (!mlx5_debugfs_root || dev->rep)
+       if (!mlx5_debugfs_root || dev->is_rep)
                return;
 
        cache->root = debugfs_create_dir("mr_cache", dev->mdev->priv.dbg_root);
@@ -677,7 +677,7 @@ int mlx5_mr_cache_init(struct mlx5_ib_dev *dev)
                           MLX5_IB_UMR_OCTOWORD;
                ent->access_mode = MLX5_MKC_ACCESS_MODE_MTT;
                if ((dev->mdev->profile->mask & MLX5_PROF_MASK_MR_CACHE) &&
-                   !dev->rep &&
+                   !dev->is_rep &&
                    mlx5_core_is_pf(dev->mdev))
                        ent->limit = dev->mdev->profile->mr_cache[i].limit;
                else

diff --git a/drivers/infiniband/hw/mlx5/qp.c b/drivers/infiniband/hw/mlx5/qp.c
index db03b27..1bb4456 100644 (file)
--- a/drivers/infiniband/hw/mlx5/qp.c
+++ b/drivers/infiniband/hw/mlx5/qp.c
@@ -1436,7 +1436,7 @@ static int create_raw_packet_qp_tir(struct mlx5_ib_dev *dev,
        if (*qp_flags_en & MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_MC)
                lb_flag |= MLX5_TIRC_SELF_LB_BLOCK_BLOCK_MULTICAST;
 
-       if (dev->rep) {
+       if (dev->is_rep) {
                lb_flag |= MLX5_TIRC_SELF_LB_BLOCK_BLOCK_UNICAST;
                *qp_flags_en |= MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_UC;
        }
@@ -1648,7 +1648,7 @@ static int create_rss_raw_qp_tir(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp,
                return -EOPNOTSUPP;
        }
 
-       if (ucmd.flags & MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_UC || dev->rep) {
+       if (ucmd.flags & MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_UC || dev->is_rep) {
                lb_flag |= MLX5_TIRC_SELF_LB_BLOCK_BLOCK_UNICAST;
                qp->flags_en |= MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_UC;
        }