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(I'm so sorry!) Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel os linux
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#include <net/switchdev.h>
#include "br_private_mrp.h"
static enum br_mrp_hw_supportbr_mrp_switchdev_port_obj(struct net_bridge *br, const struct switchdev_obj *obj, bool add){ int err;
if (add) err = switchdev_port_obj_add(br->dev, obj, NULL); else err = switchdev_port_obj_del(br->dev, obj);
/* In case of success just return and notify the SW that doesn't need * to do anything */ if (!err) return BR_MRP_HW;
if (err != -EOPNOTSUPP) return BR_MRP_NONE;
/* Continue with SW backup */ return BR_MRP_SW;}
int br_mrp_switchdev_add(struct net_bridge *br, struct br_mrp *mrp){ struct switchdev_obj_mrp mrp_obj = { .obj.orig_dev = br->dev, .obj.id = SWITCHDEV_OBJ_ID_MRP, .p_port = rtnl_dereference(mrp->p_port)->dev, .s_port = rtnl_dereference(mrp->s_port)->dev, .ring_id = mrp->ring_id, .prio = mrp->prio, };
if (!IS_ENABLED(CONFIG_NET_SWITCHDEV)) return 0;
return switchdev_port_obj_add(br->dev, &mrp_obj.obj, NULL);}
int br_mrp_switchdev_del(struct net_bridge *br, struct br_mrp *mrp){ struct switchdev_obj_mrp mrp_obj = { .obj.orig_dev = br->dev, .obj.id = SWITCHDEV_OBJ_ID_MRP, .p_port = NULL, .s_port = NULL, .ring_id = mrp->ring_id, };
if (!IS_ENABLED(CONFIG_NET_SWITCHDEV)) return 0;
return switchdev_port_obj_del(br->dev, &mrp_obj.obj);}
enum br_mrp_hw_supportbr_mrp_switchdev_set_ring_role(struct net_bridge *br, struct br_mrp *mrp, enum br_mrp_ring_role_type role){ struct switchdev_obj_ring_role_mrp mrp_role = { .obj.orig_dev = br->dev, .obj.id = SWITCHDEV_OBJ_ID_RING_ROLE_MRP, .ring_role = role, .ring_id = mrp->ring_id, .sw_backup = false, }; enum br_mrp_hw_support support; int err;
if (!IS_ENABLED(CONFIG_NET_SWITCHDEV)) return BR_MRP_SW;
support = br_mrp_switchdev_port_obj(br, &mrp_role.obj, role != BR_MRP_RING_ROLE_DISABLED); if (support != BR_MRP_SW) return support;
/* If the driver can't configure to run completely the protocol in HW, * then try again to configure the HW so the SW can run the protocol. */ mrp_role.sw_backup = true; if (role != BR_MRP_RING_ROLE_DISABLED) err = switchdev_port_obj_add(br->dev, &mrp_role.obj, NULL); else err = switchdev_port_obj_del(br->dev, &mrp_role.obj);
if (!err) return BR_MRP_SW;
return BR_MRP_NONE;}
enum br_mrp_hw_supportbr_mrp_switchdev_send_ring_test(struct net_bridge *br, struct br_mrp *mrp, u32 interval, u8 max_miss, u32 period, bool monitor){ struct switchdev_obj_ring_test_mrp test = { .obj.orig_dev = br->dev, .obj.id = SWITCHDEV_OBJ_ID_RING_TEST_MRP, .interval = interval, .max_miss = max_miss, .ring_id = mrp->ring_id, .period = period, .monitor = monitor, };
if (!IS_ENABLED(CONFIG_NET_SWITCHDEV)) return BR_MRP_SW;
return br_mrp_switchdev_port_obj(br, &test.obj, interval != 0);}
int br_mrp_switchdev_set_ring_state(struct net_bridge *br, struct br_mrp *mrp, enum br_mrp_ring_state_type state){ struct switchdev_obj_ring_state_mrp mrp_state = { .obj.orig_dev = br->dev, .obj.id = SWITCHDEV_OBJ_ID_RING_STATE_MRP, .ring_state = state, .ring_id = mrp->ring_id, };
if (!IS_ENABLED(CONFIG_NET_SWITCHDEV)) return 0;
return switchdev_port_obj_add(br->dev, &mrp_state.obj, NULL);}
enum br_mrp_hw_supportbr_mrp_switchdev_set_in_role(struct net_bridge *br, struct br_mrp *mrp, u16 in_id, u32 ring_id, enum br_mrp_in_role_type role){ struct switchdev_obj_in_role_mrp mrp_role = { .obj.orig_dev = br->dev, .obj.id = SWITCHDEV_OBJ_ID_IN_ROLE_MRP, .in_role = role, .in_id = mrp->in_id, .ring_id = mrp->ring_id, .i_port = rtnl_dereference(mrp->i_port)->dev, .sw_backup = false, }; enum br_mrp_hw_support support; int err;
if (!IS_ENABLED(CONFIG_NET_SWITCHDEV)) return BR_MRP_SW;
support = br_mrp_switchdev_port_obj(br, &mrp_role.obj, role != BR_MRP_IN_ROLE_DISABLED); if (support != BR_MRP_NONE) return support;
/* If the driver can't configure to run completely the protocol in HW, * then try again to configure the HW so the SW can run the protocol. */ mrp_role.sw_backup = true; if (role != BR_MRP_IN_ROLE_DISABLED) err = switchdev_port_obj_add(br->dev, &mrp_role.obj, NULL); else err = switchdev_port_obj_del(br->dev, &mrp_role.obj);
if (!err) return BR_MRP_SW;
return BR_MRP_NONE;}
int br_mrp_switchdev_set_in_state(struct net_bridge *br, struct br_mrp *mrp, enum br_mrp_in_state_type state){ struct switchdev_obj_in_state_mrp mrp_state = { .obj.orig_dev = br->dev, .obj.id = SWITCHDEV_OBJ_ID_IN_STATE_MRP, .in_state = state, .in_id = mrp->in_id, };
if (!IS_ENABLED(CONFIG_NET_SWITCHDEV)) return 0;
return switchdev_port_obj_add(br->dev, &mrp_state.obj, NULL);}
enum br_mrp_hw_supportbr_mrp_switchdev_send_in_test(struct net_bridge *br, struct br_mrp *mrp, u32 interval, u8 max_miss, u32 period){ struct switchdev_obj_in_test_mrp test = { .obj.orig_dev = br->dev, .obj.id = SWITCHDEV_OBJ_ID_IN_TEST_MRP, .interval = interval, .max_miss = max_miss, .in_id = mrp->in_id, .period = period, };
if (!IS_ENABLED(CONFIG_NET_SWITCHDEV)) return BR_MRP_SW;
return br_mrp_switchdev_port_obj(br, &test.obj, interval != 0);}
int br_mrp_port_switchdev_set_state(struct net_bridge_port *p, u32 state){ struct switchdev_attr attr = { .orig_dev = p->dev, .id = SWITCHDEV_ATTR_ID_PORT_STP_STATE, .u.stp_state = state, };
if (!IS_ENABLED(CONFIG_NET_SWITCHDEV)) return 0;
return switchdev_port_attr_set(p->dev, &attr, NULL);}
int br_mrp_port_switchdev_set_role(struct net_bridge_port *p, enum br_mrp_port_role_type role){ struct switchdev_attr attr = { .orig_dev = p->dev, .id = SWITCHDEV_ATTR_ID_MRP_PORT_ROLE, .u.mrp_port_role = role, };
if (!IS_ENABLED(CONFIG_NET_SWITCHDEV)) return 0;
return switchdev_port_attr_set(p->dev, &attr, NULL);}