From 9228ad26abeec99caf139e6d641e0199c95fd677 Mon Sep 17 00:00:00 2001 From: Scott Feldman Date: Sun, 10 May 2015 09:47:54 -0700 Subject: [PATCH] rocker: use switchdev add/del obj for bridge port vlans Signed-off-by: Scott Feldman Acked-by: Jiri Pirko Signed-off-by: David S. Miller --- drivers/net/ethernet/rocker/rocker.c | 130 +++++++++++++++++++++++++-- 1 file changed, 123 insertions(+), 7 deletions(-) diff --git a/drivers/net/ethernet/rocker/rocker.c b/drivers/net/ethernet/rocker/rocker.c index 36827d39a70a..84084806231a 100644 --- a/drivers/net/ethernet/rocker/rocker.c +++ b/drivers/net/ethernet/rocker/rocker.c @@ -3415,20 +3415,22 @@ static int rocker_port_vlan(struct rocker_port *rocker_port, internal_vlan_id = rocker_port_vid_to_vlan(rocker_port, vid, &untagged); - if (adding && test_and_set_bit(ntohs(internal_vlan_id), - rocker_port->vlan_bitmap)) + if (adding && test_bit(ntohs(internal_vlan_id), + rocker_port->vlan_bitmap)) return 0; /* already added */ - else if (!adding && !test_and_clear_bit(ntohs(internal_vlan_id), - rocker_port->vlan_bitmap)) + else if (!adding && !test_bit(ntohs(internal_vlan_id), + rocker_port->vlan_bitmap)) return 0; /* already removed */ + change_bit(ntohs(internal_vlan_id), rocker_port->vlan_bitmap); + if (adding) { err = rocker_port_ctrl_vlan_add(rocker_port, trans, flags, internal_vlan_id); if (err) { netdev_err(rocker_port->dev, "Error (%d) port ctrl vlan add\n", err); - return err; + goto err_out; } } @@ -3437,7 +3439,7 @@ static int rocker_port_vlan(struct rocker_port *rocker_port, if (err) { netdev_err(rocker_port->dev, "Error (%d) port VLAN l2 groups\n", err); - return err; + goto err_out; } err = rocker_port_vlan_flood_group(rocker_port, trans, flags, @@ -3445,7 +3447,7 @@ static int rocker_port_vlan(struct rocker_port *rocker_port, if (err) { netdev_err(rocker_port->dev, "Error (%d) port VLAN l2 flood group\n", err); - return err; + goto err_out; } err = rocker_flow_tbl_vlan(rocker_port, trans, flags, @@ -3455,6 +3457,10 @@ static int rocker_port_vlan(struct rocker_port *rocker_port, netdev_err(rocker_port->dev, "Error (%d) port VLAN table\n", err); +err_out: + if (trans == SWITCHDEV_TRANS_PREPARE) + change_bit(ntohs(internal_vlan_id), rocker_port->vlan_bitmap); + return err; } @@ -4435,6 +4441,114 @@ static int rocker_port_attr_set(struct net_device *dev, return err; } +static int rocker_port_vlan_add(struct rocker_port *rocker_port, + enum switchdev_trans trans, u16 vid, u16 flags) +{ + int err; + + /* XXX deal with flags for PVID and untagged */ + + err = rocker_port_vlan(rocker_port, trans, 0, vid); + if (err) + return err; + + return rocker_port_router_mac(rocker_port, trans, 0, htons(vid)); +} + +static int rocker_port_vlans_add(struct rocker_port *rocker_port, + enum switchdev_trans trans, + struct switchdev_obj_vlan *vlan) +{ + u16 vid; + int err; + + for (vid = vlan->vid_start; vid <= vlan->vid_end; vid++) { + err = rocker_port_vlan_add(rocker_port, trans, + vid, vlan->flags); + if (err) + return err; + } + + return 0; +} + +static int rocker_port_obj_add(struct net_device *dev, + struct switchdev_obj *obj) +{ + struct rocker_port *rocker_port = netdev_priv(dev); + int err = 0; + + switch (obj->trans) { + case SWITCHDEV_TRANS_PREPARE: + BUG_ON(!list_empty(&rocker_port->trans_mem)); + break; + case SWITCHDEV_TRANS_ABORT: + rocker_port_trans_abort(rocker_port); + return 0; + default: + break; + } + + switch (obj->id) { + case SWITCHDEV_OBJ_PORT_VLAN: + err = rocker_port_vlans_add(rocker_port, obj->trans, + &obj->vlan); + break; + default: + err = -EOPNOTSUPP; + break; + } + + return err; +} + +static int rocker_port_vlan_del(struct rocker_port *rocker_port, + u16 vid, u16 flags) +{ + int err; + + err = rocker_port_router_mac(rocker_port, SWITCHDEV_TRANS_NONE, + ROCKER_OP_FLAG_REMOVE, htons(vid)); + if (err) + return err; + + return rocker_port_vlan(rocker_port, SWITCHDEV_TRANS_NONE, + ROCKER_OP_FLAG_REMOVE, vid); +} + +static int rocker_port_vlans_del(struct rocker_port *rocker_port, + struct switchdev_obj_vlan *vlan) +{ + u16 vid; + int err; + + for (vid = vlan->vid_start; vid <= vlan->vid_end; vid++) { + err = rocker_port_vlan_del(rocker_port, vid, vlan->flags); + if (err) + return err; + } + + return 0; +} + +static int rocker_port_obj_del(struct net_device *dev, + struct switchdev_obj *obj) +{ + struct rocker_port *rocker_port = netdev_priv(dev); + int err = 0; + + switch (obj->id) { + case SWITCHDEV_OBJ_PORT_VLAN: + err = rocker_port_vlans_del(rocker_port, &obj->vlan); + break; + default: + err = -EOPNOTSUPP; + break; + } + + return err; +} + static int rocker_port_switchdev_fib_ipv4_add(struct net_device *dev, __be32 dst, int dst_len, struct fib_info *fi, @@ -4463,6 +4577,8 @@ static int rocker_port_switchdev_fib_ipv4_del(struct net_device *dev, static const struct switchdev_ops rocker_port_switchdev_ops = { .switchdev_port_attr_get = rocker_port_attr_get, .switchdev_port_attr_set = rocker_port_attr_set, + .switchdev_port_obj_add = rocker_port_obj_add, + .switchdev_port_obj_del = rocker_port_obj_del, .switchdev_fib_ipv4_add = rocker_port_switchdev_fib_ipv4_add, .switchdev_fib_ipv4_del = rocker_port_switchdev_fib_ipv4_del, }; -- 2.20.1