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mlxsw: spectrum: Use join / leave functions for vFID operations
When a vPort is created or when it joins a bridge we always do the same
set of operations:
1) Create the vFID, if not already created
2) Setup flooding for the vFID
3) Map the {Port, VID} to the vFID
When a vPort is destroyed or when it leaves a bridge the reverse is
performed.
Encapsulate the above in join / leave functions and simplify the code.
FIDs and rFIDs will use a similar set of functions.
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Ido Schimmel
David S. Miller
parent
d0ec875a2f
commit
0355b59fbb
@ -712,8 +712,7 @@ static void mlxsw_sp_vfid_destroy(struct mlxsw_sp *mlxsw_sp,
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}
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static struct mlxsw_sp_port *
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mlxsw_sp_port_vport_create(struct mlxsw_sp_port *mlxsw_sp_port,
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struct mlxsw_sp_fid *f)
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mlxsw_sp_port_vport_create(struct mlxsw_sp_port *mlxsw_sp_port, u16 vid)
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{
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struct mlxsw_sp_port *mlxsw_sp_vport;
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@ -731,8 +730,7 @@ mlxsw_sp_port_vport_create(struct mlxsw_sp_port *mlxsw_sp_port,
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mlxsw_sp_vport->stp_state = BR_STATE_FORWARDING;
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mlxsw_sp_vport->lagged = mlxsw_sp_port->lagged;
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mlxsw_sp_vport->lag_id = mlxsw_sp_port->lag_id;
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mlxsw_sp_vport->vport.f = f;
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mlxsw_sp_vport->vport.vid = f->vid;
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mlxsw_sp_vport->vport.vid = vid;
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list_add(&mlxsw_sp_vport->vport.list, &mlxsw_sp_port->vports_list);
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@ -755,13 +753,62 @@ static int mlxsw_sp_vport_fid_map(struct mlxsw_sp_port *mlxsw_sp_vport, u16 fid,
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vid);
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}
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static int mlxsw_sp_vport_vfid_join(struct mlxsw_sp_port *mlxsw_sp_vport)
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{
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u16 vid = mlxsw_sp_vport_vid_get(mlxsw_sp_vport);
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struct mlxsw_sp_fid *f;
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int err;
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f = mlxsw_sp_vfid_find(mlxsw_sp_vport->mlxsw_sp, vid);
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if (!f) {
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f = mlxsw_sp_vfid_create(mlxsw_sp_vport->mlxsw_sp, vid);
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if (IS_ERR(f))
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return PTR_ERR(f);
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}
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if (!f->ref_count) {
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err = mlxsw_sp_vport_flood_set(mlxsw_sp_vport, f->fid, true);
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if (err)
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goto err_vport_flood_set;
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}
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err = mlxsw_sp_vport_fid_map(mlxsw_sp_vport, f->fid, true);
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if (err)
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goto err_vport_fid_map;
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mlxsw_sp_vport->vport.f = f;
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f->ref_count++;
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return 0;
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err_vport_fid_map:
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if (!f->ref_count)
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mlxsw_sp_vport_flood_set(mlxsw_sp_vport, f->fid, false);
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err_vport_flood_set:
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if (!f->ref_count)
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mlxsw_sp_vfid_destroy(mlxsw_sp_vport->mlxsw_sp, f);
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return err;
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}
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static void mlxsw_sp_vport_vfid_leave(struct mlxsw_sp_port *mlxsw_sp_vport)
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{
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struct mlxsw_sp_fid *f = mlxsw_sp_vport->vport.f;
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mlxsw_sp_vport->vport.f = NULL;
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mlxsw_sp_vport_fid_map(mlxsw_sp_vport, f->fid, false);
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if (--f->ref_count == 0) {
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mlxsw_sp_vport_flood_set(mlxsw_sp_vport, f->fid, false);
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mlxsw_sp_vfid_destroy(mlxsw_sp_vport->mlxsw_sp, f);
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}
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}
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int mlxsw_sp_port_add_vid(struct net_device *dev, __be16 __always_unused proto,
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u16 vid)
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{
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struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev);
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struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
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struct mlxsw_sp_port *mlxsw_sp_vport;
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struct mlxsw_sp_fid *f;
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int err;
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/* VLAN 0 is added to HW filter when device goes up, but it is
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@ -775,30 +822,10 @@ int mlxsw_sp_port_add_vid(struct net_device *dev, __be16 __always_unused proto,
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return 0;
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}
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f = mlxsw_sp_vfid_find(mlxsw_sp, vid);
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if (!f) {
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f = mlxsw_sp_vfid_create(mlxsw_sp, vid);
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if (IS_ERR(f)) {
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netdev_err(dev, "Failed to create vFID for VID=%d\n",
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vid);
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return PTR_ERR(f);
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}
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}
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mlxsw_sp_vport = mlxsw_sp_port_vport_create(mlxsw_sp_port, f);
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mlxsw_sp_vport = mlxsw_sp_port_vport_create(mlxsw_sp_port, vid);
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if (!mlxsw_sp_vport) {
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netdev_err(dev, "Failed to create vPort for VID=%d\n", vid);
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err = -ENOMEM;
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goto err_port_vport_create;
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}
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if (!f->ref_count) {
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err = mlxsw_sp_vport_flood_set(mlxsw_sp_vport, f->fid, true);
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if (err) {
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netdev_err(dev, "Failed to setup flooding for FID=%d\n",
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f->fid);
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goto err_vport_flood_set;
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}
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return -ENOMEM;
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}
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/* When adding the first VLAN interface on a bridged port we need to
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@ -813,11 +840,10 @@ int mlxsw_sp_port_add_vid(struct net_device *dev, __be16 __always_unused proto,
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}
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}
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err = mlxsw_sp_vport_fid_map(mlxsw_sp_vport, f->fid, true);
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err = mlxsw_sp_vport_vfid_join(mlxsw_sp_vport);
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if (err) {
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netdev_err(dev, "Failed to map {Port, VID=%d} to FID=%d\n",
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vid, f->fid);
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goto err_vport_fid_map;
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netdev_err(dev, "Failed to join vFID\n");
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goto err_vport_vfid_join;
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}
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err = mlxsw_sp_port_vid_learning_set(mlxsw_sp_vport, vid, false);
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@ -840,8 +866,6 @@ int mlxsw_sp_port_add_vid(struct net_device *dev, __be16 __always_unused proto,
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goto err_port_stp_state_set;
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}
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f->ref_count++;
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return 0;
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err_port_stp_state_set:
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@ -849,18 +873,12 @@ err_port_stp_state_set:
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err_port_add_vid:
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mlxsw_sp_port_vid_learning_set(mlxsw_sp_vport, vid, true);
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err_port_vid_learning_set:
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mlxsw_sp_vport_fid_map(mlxsw_sp_vport, f->fid, false);
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err_vport_fid_map:
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mlxsw_sp_vport_vfid_leave(mlxsw_sp_vport);
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err_vport_vfid_join:
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if (list_is_singular(&mlxsw_sp_port->vports_list))
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mlxsw_sp_port_vlan_mode_trans(mlxsw_sp_port);
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err_port_vp_mode_trans:
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if (!f->ref_count)
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mlxsw_sp_vport_flood_set(mlxsw_sp_vport, f->fid, false);
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err_vport_flood_set:
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mlxsw_sp_port_vport_destroy(mlxsw_sp_vport);
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err_port_vport_create:
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if (!f->ref_count)
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mlxsw_sp_vfid_destroy(mlxsw_sp, f);
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return err;
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}
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@ -869,7 +887,6 @@ int mlxsw_sp_port_kill_vid(struct net_device *dev,
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{
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struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev);
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struct mlxsw_sp_port *mlxsw_sp_vport;
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struct mlxsw_sp_fid *f;
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int err;
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/* VLAN 0 is removed from HW filter when device goes down, but
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@ -884,8 +901,6 @@ int mlxsw_sp_port_kill_vid(struct net_device *dev,
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return 0;
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}
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f = mlxsw_sp_vport->vport.f;
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err = mlxsw_sp_port_stp_state_set(mlxsw_sp_vport, vid,
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MLXSW_REG_SPMS_STATE_DISCARDING);
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if (err) {
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@ -906,12 +921,7 @@ int mlxsw_sp_port_kill_vid(struct net_device *dev,
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return err;
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}
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err = mlxsw_sp_vport_fid_map(mlxsw_sp_vport, f->fid, false);
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if (err) {
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netdev_err(dev, "Failed to invalidate {Port, VID=%d} to FID=%d mapping\n",
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vid, f->fid);
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return err;
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}
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mlxsw_sp_vport_vfid_leave(mlxsw_sp_vport);
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/* When removing the last VLAN interface on a bridged port we need to
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* transition all active 802.1Q bridge VLANs to use VID to FID
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@ -925,13 +935,8 @@ int mlxsw_sp_port_kill_vid(struct net_device *dev,
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}
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}
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f->ref_count--;
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mlxsw_sp_port_vport_destroy(mlxsw_sp_vport);
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/* Destroy the vFID if no vPorts are assigned to it anymore. */
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if (!f->ref_count)
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mlxsw_sp_vfid_destroy(mlxsw_sp_port->mlxsw_sp, f);
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return 0;
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}
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@ -2625,10 +2630,9 @@ static int mlxsw_sp_port_fdb_flush(struct mlxsw_sp_port *mlxsw_sp_port)
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return mlxsw_sp_port_fdb_flush_by_port(mlxsw_sp_port);
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}
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static int mlxsw_sp_vport_fdb_flush(struct mlxsw_sp_port *mlxsw_sp_vport)
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static int mlxsw_sp_vport_fdb_flush(struct mlxsw_sp_port *mlxsw_sp_vport,
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u16 fid)
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{
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u16 fid = mlxsw_sp_vport_fid_get(mlxsw_sp_vport);
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if (mlxsw_sp_vport->lagged)
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return mlxsw_sp_port_fdb_flush_by_lag_id_fid(mlxsw_sp_vport,
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fid);
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@ -3203,118 +3207,66 @@ static void mlxsw_sp_br_vfid_destroy(struct mlxsw_sp *mlxsw_sp,
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kfree(f);
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}
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static void mlxsw_sp_vport_bridge_leave(struct mlxsw_sp_port *mlxsw_sp_vport,
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struct net_device *br_dev,
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bool flush_fdb)
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static int mlxsw_sp_vport_br_vfid_join(struct mlxsw_sp_port *mlxsw_sp_vport,
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struct net_device *br_dev)
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{
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struct mlxsw_sp *mlxsw_sp = mlxsw_sp_vport->mlxsw_sp;
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u16 vid = mlxsw_sp_vport_vid_get(mlxsw_sp_vport);
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struct net_device *dev = mlxsw_sp_vport->dev;
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struct mlxsw_sp_fid *f, *new_f;
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struct mlxsw_sp_fid *f;
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int err;
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f = mlxsw_sp_br_vfid_find(mlxsw_sp, br_dev);
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if (WARN_ON(!f))
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return;
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/* We need a vFID to go back to after leaving the bridge's vFID. */
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new_f = mlxsw_sp_vfid_find(mlxsw_sp, vid);
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if (!new_f) {
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new_f = mlxsw_sp_vfid_create(mlxsw_sp, vid);
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if (IS_ERR(new_f)) {
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netdev_err(dev, "Failed to create vFID for VID=%d\n",
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vid);
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return;
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}
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f = mlxsw_sp_br_vfid_find(mlxsw_sp_vport->mlxsw_sp, br_dev);
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if (!f) {
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f = mlxsw_sp_br_vfid_create(mlxsw_sp_vport->mlxsw_sp, br_dev);
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if (IS_ERR(f))
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return PTR_ERR(f);
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}
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/* Invalidate existing {Port, VID} to vFID mapping and create a new
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* one for the new vFID.
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*/
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err = mlxsw_sp_vport_fid_map(mlxsw_sp_vport, f->fid, false);
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if (err) {
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netdev_err(dev, "Failed to invalidate {Port, VID} to FID=%d mapping\n",
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f->fid);
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goto err_vport_fid_unmap;
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}
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err = mlxsw_sp_vport_fid_map(mlxsw_sp_vport, new_f->fid, true);
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if (err) {
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netdev_err(dev, "Failed to map {Port, VID} to FID=%d\n",
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new_f->fid);
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goto err_vport_fid_map;
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}
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err = mlxsw_sp_port_vid_learning_set(mlxsw_sp_vport, vid, false);
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if (err) {
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netdev_err(dev, "Failed to disable learning\n");
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goto err_port_vid_learning_set;
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}
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err = mlxsw_sp_vport_flood_set(mlxsw_sp_vport, f->fid, false);
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if (err) {
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netdev_err(dev, "Failed clear to clear flooding\n");
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err = mlxsw_sp_vport_flood_set(mlxsw_sp_vport, f->fid, true);
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if (err)
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goto err_vport_flood_set;
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}
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err = mlxsw_sp_port_stp_state_set(mlxsw_sp_vport, vid,
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MLXSW_REG_SPMS_STATE_FORWARDING);
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if (err) {
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netdev_err(dev, "Failed to set STP state\n");
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goto err_port_stp_state_set;
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}
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err = mlxsw_sp_vport_fid_map(mlxsw_sp_vport, f->fid, true);
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if (err)
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goto err_vport_fid_map;
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if (flush_fdb && mlxsw_sp_vport_fdb_flush(mlxsw_sp_vport))
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netdev_err(dev, "Failed to flush FDB\n");
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mlxsw_sp_vport->vport.f = f;
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f->ref_count++;
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/* Switch between the vFIDs and destroy the old one if needed. */
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new_f->ref_count++;
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mlxsw_sp_vport->vport.f = new_f;
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f->ref_count--;
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if (!f->ref_count)
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mlxsw_sp_br_vfid_destroy(mlxsw_sp, f);
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return 0;
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mlxsw_sp_vport->learning = 0;
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mlxsw_sp_vport->learning_sync = 0;
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mlxsw_sp_vport->uc_flood = 0;
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mlxsw_sp_vport->bridged = 0;
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return;
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err_port_stp_state_set:
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err_vport_flood_set:
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err_port_vid_learning_set:
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err_vport_fid_map:
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err_vport_fid_unmap:
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/* Rollback vFID only if new. */
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if (!new_f->ref_count)
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mlxsw_sp_vfid_destroy(mlxsw_sp, new_f);
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mlxsw_sp_vport_flood_set(mlxsw_sp_vport, f->fid, false);
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err_vport_flood_set:
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if (!f->ref_count)
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mlxsw_sp_br_vfid_destroy(mlxsw_sp_vport->mlxsw_sp, f);
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return err;
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}
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static void mlxsw_sp_vport_br_vfid_leave(struct mlxsw_sp_port *mlxsw_sp_vport)
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{
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struct mlxsw_sp_fid *f = mlxsw_sp_vport->vport.f;
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mlxsw_sp_vport_fid_map(mlxsw_sp_vport, f->fid, false);
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mlxsw_sp_vport_flood_set(mlxsw_sp_vport, f->fid, false);
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mlxsw_sp_vport->vport.f = NULL;
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if (--f->ref_count == 0)
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mlxsw_sp_br_vfid_destroy(mlxsw_sp_vport->mlxsw_sp, f);
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}
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static int mlxsw_sp_vport_bridge_join(struct mlxsw_sp_port *mlxsw_sp_vport,
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struct net_device *br_dev)
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{
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struct mlxsw_sp_fid *old_f = mlxsw_sp_vport->vport.f;
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struct mlxsw_sp *mlxsw_sp = mlxsw_sp_vport->mlxsw_sp;
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u16 vid = mlxsw_sp_vport_vid_get(mlxsw_sp_vport);
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struct net_device *dev = mlxsw_sp_vport->dev;
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struct mlxsw_sp_fid *f;
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int err;
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f = mlxsw_sp_br_vfid_find(mlxsw_sp, br_dev);
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if (!f) {
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f = mlxsw_sp_br_vfid_create(mlxsw_sp, br_dev);
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if (IS_ERR(f)) {
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netdev_err(dev, "Failed to create bridge vFID\n");
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return PTR_ERR(f);
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}
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}
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mlxsw_sp_vport_vfid_leave(mlxsw_sp_vport);
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err = mlxsw_sp_vport_flood_set(mlxsw_sp_vport, f->fid, true);
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err = mlxsw_sp_vport_br_vfid_join(mlxsw_sp_vport, br_dev);
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if (err) {
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netdev_err(dev, "Failed to setup flooding for FID=%d\n",
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f->fid);
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goto err_port_flood_set;
|
||||
netdev_err(dev, "Failed to join vFID\n");
|
||||
goto err_vport_br_vfid_join;
|
||||
}
|
||||
|
||||
err = mlxsw_sp_port_vid_learning_set(mlxsw_sp_vport, vid, true);
|
||||
@ -3323,30 +3275,6 @@ static int mlxsw_sp_vport_bridge_join(struct mlxsw_sp_port *mlxsw_sp_vport,
|
||||
goto err_port_vid_learning_set;
|
||||
}
|
||||
|
||||
/* We need to invalidate existing {Port, VID} to vFID mapping and
|
||||
* create a new one for the bridge's vFID.
|
||||
*/
|
||||
err = mlxsw_sp_vport_fid_map(mlxsw_sp_vport, old_f->fid, false);
|
||||
if (err) {
|
||||
netdev_err(dev, "Failed to invalidate {Port, VID} to FID=%d mapping\n",
|
||||
old_f->fid);
|
||||
goto err_vport_fid_unmap;
|
||||
}
|
||||
|
||||
err = mlxsw_sp_vport_fid_map(mlxsw_sp_vport, f->fid, true);
|
||||
if (err) {
|
||||
netdev_err(dev, "Failed to map {Port, VID} to FID=%d\n",
|
||||
f->fid);
|
||||
goto err_vport_fid_map;
|
||||
}
|
||||
|
||||
/* Switch between the vFIDs and destroy the old one if needed. */
|
||||
f->ref_count++;
|
||||
mlxsw_sp_vport->vport.f = f;
|
||||
old_f->ref_count--;
|
||||
if (!old_f->ref_count)
|
||||
mlxsw_sp_vfid_destroy(mlxsw_sp, old_f);
|
||||
|
||||
mlxsw_sp_vport->learning = 1;
|
||||
mlxsw_sp_vport->learning_sync = 1;
|
||||
mlxsw_sp_vport->uc_flood = 1;
|
||||
@ -3354,18 +3282,38 @@ static int mlxsw_sp_vport_bridge_join(struct mlxsw_sp_port *mlxsw_sp_vport,
|
||||
|
||||
return 0;
|
||||
|
||||
err_vport_fid_map:
|
||||
mlxsw_sp_vport_fid_map(mlxsw_sp_vport, old_f->fid, true);
|
||||
err_vport_fid_unmap:
|
||||
mlxsw_sp_port_vid_learning_set(mlxsw_sp_vport, vid, false);
|
||||
err_port_vid_learning_set:
|
||||
mlxsw_sp_vport_flood_set(mlxsw_sp_vport, f->fid, false);
|
||||
err_port_flood_set:
|
||||
if (!f->ref_count)
|
||||
mlxsw_sp_br_vfid_destroy(mlxsw_sp, f);
|
||||
mlxsw_sp_vport_br_vfid_leave(mlxsw_sp_vport);
|
||||
err_vport_br_vfid_join:
|
||||
mlxsw_sp_vport_vfid_join(mlxsw_sp_vport);
|
||||
return err;
|
||||
}
|
||||
|
||||
static void mlxsw_sp_vport_bridge_leave(struct mlxsw_sp_port *mlxsw_sp_vport,
|
||||
struct net_device *br_dev,
|
||||
bool flush_fdb)
|
||||
{
|
||||
u16 vid = mlxsw_sp_vport_vid_get(mlxsw_sp_vport);
|
||||
u16 fid = mlxsw_sp_vport_fid_get(mlxsw_sp_vport);
|
||||
|
||||
mlxsw_sp_port_vid_learning_set(mlxsw_sp_vport, vid, false);
|
||||
|
||||
mlxsw_sp_vport_br_vfid_leave(mlxsw_sp_vport);
|
||||
|
||||
mlxsw_sp_vport_vfid_join(mlxsw_sp_vport);
|
||||
|
||||
mlxsw_sp_port_stp_state_set(mlxsw_sp_vport, vid,
|
||||
MLXSW_REG_SPMS_STATE_FORWARDING);
|
||||
|
||||
if (flush_fdb)
|
||||
mlxsw_sp_vport_fdb_flush(mlxsw_sp_vport, fid);
|
||||
|
||||
mlxsw_sp_vport->learning = 0;
|
||||
mlxsw_sp_vport->learning_sync = 0;
|
||||
mlxsw_sp_vport->uc_flood = 0;
|
||||
mlxsw_sp_vport->bridged = 0;
|
||||
}
|
||||
|
||||
static bool
|
||||
mlxsw_sp_port_master_bridge_check(const struct mlxsw_sp_port *mlxsw_sp_port,
|
||||
const struct net_device *br_dev)
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user