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rocker: add ndo_bridge_setlink/getlink support for learning policy 

Rocker ports will use new "swdev" hwmode for bridge port offload policy.
Current supported policy settings are BR_LEARNING and BR_LEARNING_SYNC.
User can turn on/off device port FDB learning and syncing to bridge.

Signed-off-by: Scott Feldman <sfeldma@gmail.com>
Signed-off-by: Jiri Pirko <jiri@resnulli.us>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Scott Feldman 2014-11-28 14:34:30 +01:00 committed by David S. Miller
parent ce76ca689d
commit 5111f80cbc
2 changed files with 100 additions and 0 deletions
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99
drivers/net/ethernet/rocker/rocker.c
View File

@ -203,6 +203,7 @@ struct rocker_port {
u32 lport;
__be16 internal_vlan_id;
int stp_state;
u32 brport_flags;
bool ctrls[ROCKER_CTRL_MAX];
unsigned long vlan_bitmap[ROCKER_VLAN_BITMAP_LEN];
struct napi_struct napi_tx;
@ -1629,6 +1630,30 @@ rocker_cmd_set_port_settings_macaddr_prep(struct rocker *rocker,
return 0;
}
static int
rocker_cmd_set_port_learning_prep(struct rocker *rocker,
struct rocker_port *rocker_port,
struct rocker_desc_info *desc_info,
void *priv)
{
struct rocker_tlv *cmd_info;
if (rocker_tlv_put_u16(desc_info, ROCKER_TLV_CMD_TYPE,
ROCKER_TLV_CMD_TYPE_SET_PORT_SETTINGS))
return -EMSGSIZE;
cmd_info = rocker_tlv_nest_start(desc_info, ROCKER_TLV_CMD_INFO);
if (!cmd_info)
return -EMSGSIZE;
if (rocker_tlv_put_u32(desc_info, ROCKER_TLV_CMD_PORT_SETTINGS_LPORT,
rocker_port->lport))
return -EMSGSIZE;
if (rocker_tlv_put_u8(desc_info, ROCKER_TLV_CMD_PORT_SETTINGS_LEARNING,
!!(rocker_port->brport_flags & BR_LEARNING)))
return -EMSGSIZE;
rocker_tlv_nest_end(desc_info, cmd_info);
return 0;
}
static int rocker_cmd_get_port_settings_ethtool(struct rocker_port *rocker_port,
struct ethtool_cmd *ecmd)
{
@ -1663,6 +1688,13 @@ static int rocker_cmd_set_port_settings_macaddr(struct rocker_port *rocker_port,
macaddr, NULL, NULL, false);
}
static int rocker_port_set_learning(struct rocker_port *rocker_port)
{
return rocker_cmd_exec(rocker_port->rocker, rocker_port,
rocker_cmd_set_port_learning_prep,
NULL, NULL, NULL, false);
}
static int rocker_cmd_flow_tbl_add_ig_port(struct rocker_desc_info *desc_info,
struct rocker_flow_tbl_entry *entry)
{
@ -2995,6 +3027,7 @@ static int rocker_port_fdb_learn(struct rocker_port *rocker_port,
u32 out_lport = rocker_port->lport;
u32 tunnel_id = 0;
u32 group_id = ROCKER_GROUP_NONE;
bool syncing = !!(rocker_port->brport_flags & BR_LEARNING_SYNC);
bool copy_to_cpu = false;
int err;
@ -3009,6 +3042,9 @@ static int rocker_port_fdb_learn(struct rocker_port *rocker_port,
return err;
}
if (!syncing)
return 0;
if (!rocker_port_is_bridged(rocker_port))
return 0;
@ -3659,6 +3695,64 @@ static int rocker_port_fdb_dump(struct sk_buff *skb,
return idx;
}
static int rocker_port_bridge_setlink(struct net_device *dev,
struct nlmsghdr *nlh)
{
struct rocker_port *rocker_port = netdev_priv(dev);
struct nlattr *protinfo;
struct nlattr *afspec;
struct nlattr *attr;
u16 mode;
int err;
protinfo = nlmsg_find_attr(nlh, sizeof(struct ifinfomsg),
IFLA_PROTINFO);
afspec = nlmsg_find_attr(nlh, sizeof(struct ifinfomsg), IFLA_AF_SPEC);
if (afspec) {
attr = nla_find_nested(afspec, IFLA_BRIDGE_MODE);
if (attr) {
mode = nla_get_u16(attr);
if (mode != BRIDGE_MODE_SWDEV)
return -EINVAL;
}
}
if (protinfo) {
attr = nla_find_nested(protinfo, IFLA_BRPORT_LEARNING);
if (attr) {
if (nla_get_u8(attr))
rocker_port->brport_flags |= BR_LEARNING;
else
rocker_port->brport_flags &= ~BR_LEARNING;
err = rocker_port_set_learning(rocker_port);
if (err)
return err;
}
attr = nla_find_nested(protinfo, IFLA_BRPORT_LEARNING_SYNC);
if (attr) {
if (nla_get_u8(attr))
rocker_port->brport_flags |= BR_LEARNING_SYNC;
else
rocker_port->brport_flags &= ~BR_LEARNING_SYNC;
}
}
return 0;
}
static int rocker_port_bridge_getlink(struct sk_buff *skb, u32 pid, u32 seq,
struct net_device *dev,
u32 filter_mask)
{
struct rocker_port *rocker_port = netdev_priv(dev);
u16 mode = BRIDGE_MODE_SWDEV;
u32 mask = BR_LEARNING | BR_LEARNING_SYNC;
return ndo_dflt_bridge_getlink(skb, pid, seq, dev, mode,
rocker_port->brport_flags, mask);
}
static int rocker_port_switch_parent_id_get(struct net_device *dev,
struct netdev_phys_item_id *psid)
{
@ -3687,6 +3781,8 @@ static const struct net_device_ops rocker_port_netdev_ops = {
.ndo_fdb_add = rocker_port_fdb_add,
.ndo_fdb_del = rocker_port_fdb_del,
.ndo_fdb_dump = rocker_port_fdb_dump,
.ndo_bridge_setlink = rocker_port_bridge_setlink,
.ndo_bridge_getlink = rocker_port_bridge_getlink,
.ndo_switch_parent_id_get = rocker_port_switch_parent_id_get,
.ndo_switch_port_stp_update = rocker_port_switch_port_stp_update,
};
@ -3887,6 +3983,7 @@ static int rocker_probe_port(struct rocker *rocker, unsigned int port_number)
rocker_port->rocker = rocker;
rocker_port->port_number = port_number;
rocker_port->lport = port_number + 1;
rocker_port->brport_flags = BR_LEARNING | BR_LEARNING_SYNC;
rocker_port_dev_addr_init(rocker, rocker_port);
dev->netdev_ops = &rocker_port_netdev_ops;
@ -3906,6 +4003,8 @@ static int rocker_probe_port(struct rocker *rocker, unsigned int port_number)
}
rocker->ports[port_number] = rocker_port;
rocker_port_set_learning(rocker_port);
rocker_port->internal_vlan_id =
rocker_port_internal_vlan_id_get(rocker_port, dev->ifindex);
err = rocker_port_ig_tbl(rocker_port, 0);

1
drivers/net/ethernet/rocker/rocker.h
View File

@ -139,6 +139,7 @@ enum {
ROCKER_TLV_CMD_PORT_SETTINGS_AUTONEG, /* u8 */
ROCKER_TLV_CMD_PORT_SETTINGS_MACADDR, /* binary */
ROCKER_TLV_CMD_PORT_SETTINGS_MODE, /* u8 */
ROCKER_TLV_CMD_PORT_SETTINGS_LEARNING, /* u8 */
__ROCKER_TLV_CMD_PORT_SETTINGS_MAX,
ROCKER_TLV_CMD_PORT_SETTINGS_MAX =