/**
* Get flags
* @arg link Link object of type bridge
*
* @see rtnl_link_bridge_set_flags()
* @see rtnl_link_bridge_unset_flags()
*
* @return Flags or a negative error code.
* @retval -NLE_OPNOTSUPP Link is not a bridge
*/
int rtnl_link_bridge_get_flags(struct rtnl_link *link)
{
struct bridge_data *bd = bridge_data(link);
IS_BRIDGE_LINK_ASSERT(link);
return bd->b_flags;
}
/**
* Get priority
* @arg link Link object of type bridge
*
* @see rtnl_link_bridge_set_priority()
*
* @return 0 on success or a negative error code.
* @retval -NLE_OPNOTSUPP Link is not a bridge
*/
int rtnl_link_bridge_get_priority(struct rtnl_link *link)
{
struct bridge_data *bd = bridge_data(link);
IS_BRIDGE_LINK_ASSERT(link);
return bd->b_priority;
}
/**
* Get Spanning Tree Protocol (STP) port state
* @arg link Link object of type bridge
*
* @see rtnl_link_bridge_set_port_state()
*
* @return The STP port state or a negative error code.
* @retval -NLE_OPNOTSUPP Link is not a bridge
*/
int rtnl_link_bridge_get_port_state(struct rtnl_link *link)
{
struct bridge_data *bd = bridge_data(link);
IS_BRIDGE_LINK_ASSERT(link);
return bd->b_port_state;
}
/**
* Set Spanning Tree Protocol (STP) path cost
* @arg link Link object of type bridge
* @arg cost New STP path cost value
*
* @see rtnl_link_bridge_get_cost()
*
* @return The bridge priority or a negative error code.
* @retval -NLE_OPNOTSUPP Link is not a bridge
*/
int rtnl_link_bridge_set_cost(struct rtnl_link *link, uint32_t cost)
{
struct bridge_data *bd = bridge_data(link);
IS_BRIDGE_LINK_ASSERT(link);
bd->b_cost = cost;
bd->ce_mask |= BRIDGE_ATTR_COST;
return 0;
}
/**
* Set priority
* @arg link Link object of type bridge
* @arg prio Bridge priority
*
* @see rtnl_link_bridge_get_priority()
*
* @return 0 on success or a negative error code.
* @retval -NLE_OPNOTSUPP Link is not a bridge
*/
int rtnl_link_bridge_set_priority(struct rtnl_link *link, uint16_t prio)
{
struct bridge_data *bd = bridge_data(link);
IS_BRIDGE_LINK_ASSERT(link);
bd->b_priority = prio;
bd->ce_mask |= BRIDGE_ATTR_PRIORITY;
return 0;
}
/**
* Set flags
* @arg link Link object of type bridge
* @arg flags Bridging flags to set
*
* Valid flags are:
* - RTNL_BRIDGE_HAIRPIN_MODE
* - RTNL_BRIDGE_BPDU_GUARD
* - RTNL_BRIDGE_ROOT_BLOCK
* - RTNL_BRIDGE_FAST_LEAVE
*
* @see rtnl_link_bridge_unset_flags()
* @see rtnl_link_bridge_get_flags()
*
* @return 0 on success or a negative error code.
* @retval -NLE_OPNOTSUPP Link is not a bridge
*/
int rtnl_link_bridge_set_flags(struct rtnl_link *link, unsigned int flags)
{
struct bridge_data *bd = bridge_data(link);
IS_BRIDGE_LINK_ASSERT(link);
bd->b_flags_mask |= flags;
bd->b_flags |= flags;
bd->ce_mask |= BRIDGE_ATTR_FLAGS;
return 0;
}
int rtnl_link_bridge_pvid(struct rtnl_link *link)
{
struct bridge_data *bd;
IS_BRIDGE_LINK_ASSERT(link);
bd = link->l_af_data[AF_BRIDGE];
if (bd->ce_mask & BRIDGE_ATTR_PORT_VLAN)
return (int) bd->vlan_info.pvid;
return -EINVAL;
}
/**
* Get Spanning Tree Protocol (STP) path cost
* @arg link Link object of type bridge
* @arg cost Pointer to store STP cost value
*
* @see rtnl_link_bridge_set_cost()
*
* @return 0 on success or a negative error code.
* @retval -NLE_OPNOTSUPP Link is not a bridge
* @retval -NLE_INVAL `cost` is not a valid pointer
*/
int rtnl_link_bridge_get_cost(struct rtnl_link *link, uint32_t *cost)
{
struct bridge_data *bd = bridge_data(link);
IS_BRIDGE_LINK_ASSERT(link);
if (!cost)
return -NLE_INVAL;
*cost = bd->b_cost;
return 0;
}
/**
* Set Spanning Tree Protocol (STP) port state
* @arg link Link object of type bridge
* @arg state New STP port state
*
* The value of state must be one of the following:
* - BR_STATE_DISABLED
* - BR_STATE_LISTENING
* - BR_STATE_LEARNING
* - BR_STATE_FORWARDING
* - BR_STATE_BLOCKING
*
* @see rtnl_link_bridge_get_port_state()
*
* @return 0 on success or a negative error code.
* @retval -NLE_OPNOTSUPP Link is not a bridge
* @retval -NLE_INVAL Invalid state value (0..BR_STATE_BLOCKING)
*/
int rtnl_link_bridge_set_port_state(struct rtnl_link *link, uint8_t state)
{
struct bridge_data *bd = bridge_data(link);
IS_BRIDGE_LINK_ASSERT(link);
if (state > BR_STATE_BLOCKING)
return -NLE_INVAL;
bd->b_port_state = state;
bd->ce_mask |= BRIDGE_ATTR_PORT_STATE;
return 0;
}
int rtnl_link_bridge_has_vlan(struct rtnl_link *link)
{
struct bridge_data *bd;
int i;
IS_BRIDGE_LINK_ASSERT(link);
bd = link->l_af_data[AF_BRIDGE];
if (bd->ce_mask & BRIDGE_ATTR_PORT_VLAN) {
if (bd->vlan_info.pvid)
return 1;
for (i = 0; i < RTNL_LINK_BRIDGE_VLAN_BITMAP_LEN; ++i) {
if (bd->vlan_info.vlan_bitmap[i] ||
bd->vlan_info.untagged_bitmap[i])
return 1;
}
}
return 0;
}
