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authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-12-15 14:52:16 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-12-15 14:52:16 -0300
commit8d91c1e411f55d7ea91b1183a2e9f8088fb4d5be (patch)
treee9891aa6c295060d065adffd610c4f49ecf884f3 /drivers/net/ethernet/rocker/rocker.c
parenta71852147516bc1cb5b0b3cbd13639bfd4022dc8 (diff)
Linux-libre 4.3.2-gnu
Diffstat (limited to 'drivers/net/ethernet/rocker/rocker.c')
-rw-r--r--drivers/net/ethernet/rocker/rocker.c212
1 files changed, 181 insertions, 31 deletions
diff --git a/drivers/net/ethernet/rocker/rocker.c b/drivers/net/ethernet/rocker/rocker.c
index 2e7f9a283..34ac41ac9 100644
--- a/drivers/net/ethernet/rocker/rocker.c
+++ b/drivers/net/ethernet/rocker/rocker.c
@@ -202,6 +202,7 @@ enum {
ROCKER_CTRL_IPV4_MCAST,
ROCKER_CTRL_IPV6_MCAST,
ROCKER_CTRL_DFLT_BRIDGING,
+ ROCKER_CTRL_DFLT_OVS,
ROCKER_CTRL_MAX,
};
@@ -323,7 +324,14 @@ static u16 rocker_port_vlan_to_vid(const struct rocker_port *rocker_port,
static bool rocker_port_is_bridged(const struct rocker_port *rocker_port)
{
- return !!rocker_port->bridge_dev;
+ return rocker_port->bridge_dev &&
+ netif_is_bridge_master(rocker_port->bridge_dev);
+}
+
+static bool rocker_port_is_ovsed(const struct rocker_port *rocker_port)
+{
+ return rocker_port->bridge_dev &&
+ netif_is_ovs_master(rocker_port->bridge_dev);
}
#define ROCKER_OP_FLAG_REMOVE BIT(0)
@@ -1818,6 +1826,30 @@ rocker_cmd_set_port_settings_macaddr_prep(const struct rocker_port *rocker_port,
}
static int
+rocker_cmd_set_port_settings_mtu_prep(const struct rocker_port *rocker_port,
+ struct rocker_desc_info *desc_info,
+ void *priv)
+{
+ int mtu = *(int *)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_PPORT,
+ rocker_port->pport))
+ return -EMSGSIZE;
+ if (rocker_tlv_put_u16(desc_info, ROCKER_TLV_CMD_PORT_SETTINGS_MTU,
+ mtu))
+ return -EMSGSIZE;
+ rocker_tlv_nest_end(desc_info, cmd_info);
+ return 0;
+}
+
+static int
rocker_cmd_set_port_learning_prep(const struct rocker_port *rocker_port,
struct rocker_desc_info *desc_info,
void *priv)
@@ -1874,6 +1906,14 @@ static int rocker_cmd_set_port_settings_macaddr(struct rocker_port *rocker_port,
macaddr, NULL, NULL);
}
+static int rocker_cmd_set_port_settings_mtu(struct rocker_port *rocker_port,
+ int mtu)
+{
+ return rocker_cmd_exec(rocker_port, SWITCHDEV_TRANS_NONE, 0,
+ rocker_cmd_set_port_settings_mtu_prep,
+ &mtu, NULL, NULL);
+}
+
static int rocker_port_set_learning(struct rocker_port *rocker_port,
enum switchdev_trans trans)
{
@@ -3243,6 +3283,12 @@ static struct rocker_ctrl {
.bridge = true,
.copy_to_cpu = true,
},
+ [ROCKER_CTRL_DFLT_OVS] = {
+ /* pass all pkts up to CPU */
+ .eth_dst = zero_mac,
+ .eth_dst_mask = zero_mac,
+ .acl = true,
+ },
};
static int rocker_port_ctrl_vlan_acl(struct rocker_port *rocker_port,
@@ -3755,11 +3801,14 @@ static int rocker_port_stp_update(struct rocker_port *rocker_port,
break;
case BR_STATE_LEARNING:
case BR_STATE_FORWARDING:
- want[ROCKER_CTRL_LINK_LOCAL_MCAST] = true;
+ if (!rocker_port_is_ovsed(rocker_port))
+ want[ROCKER_CTRL_LINK_LOCAL_MCAST] = true;
want[ROCKER_CTRL_IPV4_MCAST] = true;
want[ROCKER_CTRL_IPV6_MCAST] = true;
if (rocker_port_is_bridged(rocker_port))
want[ROCKER_CTRL_DFLT_BRIDGING] = true;
+ else if (rocker_port_is_ovsed(rocker_port))
+ want[ROCKER_CTRL_DFLT_OVS] = true;
else
want[ROCKER_CTRL_LOCAL_ARP] = true;
break;
@@ -3983,7 +4032,8 @@ static int rocker_port_open(struct net_device *dev)
napi_enable(&rocker_port->napi_tx);
napi_enable(&rocker_port->napi_rx);
- rocker_port_set_enable(rocker_port, true);
+ if (!dev->proto_down)
+ rocker_port_set_enable(rocker_port, true);
netif_start_queue(dev);
return 0;
@@ -4102,8 +4152,11 @@ static netdev_tx_t rocker_port_xmit(struct sk_buff *skb, struct net_device *dev)
skb->data, skb_headlen(skb));
if (err)
goto nest_cancel;
- if (skb_shinfo(skb)->nr_frags > ROCKER_TX_FRAGS_MAX)
- goto nest_cancel;
+ if (skb_shinfo(skb)->nr_frags > ROCKER_TX_FRAGS_MAX) {
+ err = skb_linearize(skb);
+ if (err)
+ goto unmap_frags;
+ }
for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) {
const skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
@@ -4152,6 +4205,34 @@ static int rocker_port_set_mac_address(struct net_device *dev, void *p)
return 0;
}
+static int rocker_port_change_mtu(struct net_device *dev, int new_mtu)
+{
+ struct rocker_port *rocker_port = netdev_priv(dev);
+ int running = netif_running(dev);
+ int err;
+
+#define ROCKER_PORT_MIN_MTU 68
+#define ROCKER_PORT_MAX_MTU 9000
+
+ if (new_mtu < ROCKER_PORT_MIN_MTU || new_mtu > ROCKER_PORT_MAX_MTU)
+ return -EINVAL;
+
+ if (running)
+ rocker_port_stop(dev);
+
+ netdev_info(dev, "MTU change from %d to %d\n", dev->mtu, new_mtu);
+ dev->mtu = new_mtu;
+
+ err = rocker_cmd_set_port_settings_mtu(rocker_port, new_mtu);
+ if (err)
+ return err;
+
+ if (running)
+ err = rocker_port_open(dev);
+
+ return err;
+}
+
static int rocker_port_get_phys_port_name(struct net_device *dev,
char *buf, size_t len)
{
@@ -4167,11 +4248,33 @@ static int rocker_port_get_phys_port_name(struct net_device *dev,
return err ? -EOPNOTSUPP : 0;
}
+static int rocker_port_change_proto_down(struct net_device *dev,
+ bool proto_down)
+{
+ struct rocker_port *rocker_port = netdev_priv(dev);
+
+ if (rocker_port->dev->flags & IFF_UP)
+ rocker_port_set_enable(rocker_port, !proto_down);
+ rocker_port->dev->proto_down = proto_down;
+ return 0;
+}
+
+static void rocker_port_neigh_destroy(struct neighbour *n)
+{
+ struct rocker_port *rocker_port = netdev_priv(n->dev);
+ int flags = ROCKER_OP_FLAG_REMOVE | ROCKER_OP_FLAG_NOWAIT;
+ __be32 ip_addr = *(__be32 *)n->primary_key;
+
+ rocker_port_ipv4_neigh(rocker_port, SWITCHDEV_TRANS_NONE,
+ flags, ip_addr, n->ha);
+}
+
static const struct net_device_ops rocker_port_netdev_ops = {
.ndo_open = rocker_port_open,
.ndo_stop = rocker_port_stop,
.ndo_start_xmit = rocker_port_xmit,
.ndo_set_mac_address = rocker_port_set_mac_address,
+ .ndo_change_mtu = rocker_port_change_mtu,
.ndo_bridge_getlink = switchdev_port_bridge_getlink,
.ndo_bridge_setlink = switchdev_port_bridge_setlink,
.ndo_bridge_dellink = switchdev_port_bridge_dellink,
@@ -4179,6 +4282,8 @@ static const struct net_device_ops rocker_port_netdev_ops = {
.ndo_fdb_del = switchdev_port_fdb_del,
.ndo_fdb_dump = switchdev_port_fdb_dump,
.ndo_get_phys_port_name = rocker_port_get_phys_port_name,
+ .ndo_change_proto_down = rocker_port_change_proto_down,
+ .ndo_neigh_destroy = rocker_port_neigh_destroy,
};
/********************
@@ -4445,6 +4550,7 @@ static int rocker_port_fdb_dump(const struct rocker_port *rocker_port,
if (found->key.pport != rocker_port->pport)
continue;
fdb->addr = found->key.addr;
+ fdb->ndm_state = NUD_REACHABLE;
fdb->vid = rocker_port_vlan_to_vid(rocker_port,
found->key.vlan_id);
err = obj->cb(rocker_port->dev, obj);
@@ -4726,6 +4832,7 @@ static int rocker_port_rx_proc(const struct rocker *rocker,
const struct rocker_tlv *attrs[ROCKER_TLV_RX_MAX + 1];
struct sk_buff *skb = rocker_desc_cookie_ptr_get(desc_info);
size_t rx_len;
+ u16 rx_flags = 0;
if (!skb)
return -ENOENT;
@@ -4733,6 +4840,8 @@ static int rocker_port_rx_proc(const struct rocker *rocker,
rocker_tlv_parse_desc(attrs, ROCKER_TLV_RX_MAX, desc_info);
if (!attrs[ROCKER_TLV_RX_FRAG_LEN])
return -EINVAL;
+ if (attrs[ROCKER_TLV_RX_FLAGS])
+ rx_flags = rocker_tlv_get_u16(attrs[ROCKER_TLV_RX_FLAGS]);
rocker_dma_rx_ring_skb_unmap(rocker, attrs);
@@ -4740,6 +4849,9 @@ static int rocker_port_rx_proc(const struct rocker *rocker,
skb_put(skb, rx_len);
skb->protocol = eth_type_trans(skb, rocker_port->dev);
+ if (rx_flags & ROCKER_RX_FLAGS_FWD_OFFLOAD)
+ skb->offload_fwd_mark = rocker_port->dev->offload_fwd_mark;
+
rocker_port->dev->stats.rx_packets++;
rocker_port->dev->stats.rx_bytes += skb->len;
@@ -4869,7 +4981,7 @@ static int rocker_probe_port(struct rocker *rocker, unsigned int port_number)
NAPI_POLL_WEIGHT);
rocker_carrier_init(rocker_port);
- dev->features |= NETIF_F_NETNS_LOCAL;
+ dev->features |= NETIF_F_NETNS_LOCAL | NETIF_F_SG;
err = register_netdev(dev);
if (err) {
@@ -4878,11 +4990,13 @@ static int rocker_probe_port(struct rocker *rocker, unsigned int port_number)
}
rocker->ports[port_number] = rocker_port;
+ switchdev_port_fwd_mark_set(rocker_port->dev, NULL, false);
+
rocker_port_set_learning(rocker_port, SWITCHDEV_TRANS_NONE);
err = rocker_port_ig_tbl(rocker_port, SWITCHDEV_TRANS_NONE, 0);
if (err) {
- dev_err(&pdev->dev, "install ig port table failed\n");
+ netdev_err(rocker_port->dev, "install ig port table failed\n");
goto err_port_ig_tbl;
}
@@ -4902,6 +5016,7 @@ err_untagged_vlan:
rocker_port_ig_tbl(rocker_port, SWITCHDEV_TRANS_NONE,
ROCKER_OP_FLAG_REMOVE);
err_port_ig_tbl:
+ rocker->ports[port_number] = NULL;
unregister_netdev(dev);
err_register_netdev:
free_netdev(dev);
@@ -5074,7 +5189,8 @@ static int rocker_probe(struct pci_dev *pdev, const struct pci_device_id *id)
goto err_probe_ports;
}
- dev_info(&pdev->dev, "Rocker switch with id %016llx\n", rocker->hw.id);
+ dev_info(&pdev->dev, "Rocker switch with id %*phN\n",
+ (int)sizeof(rocker->hw.id), &rocker->hw.id);
return 0;
@@ -5157,6 +5273,7 @@ static int rocker_port_bridge_join(struct rocker_port *rocker_port,
rocker_port_internal_vlan_id_get(rocker_port, bridge->ifindex);
rocker_port->bridge_dev = bridge;
+ switchdev_port_fwd_mark_set(rocker_port->dev, bridge, true);
return rocker_port_vlan_add(rocker_port, SWITCHDEV_TRANS_NONE,
untagged_vid, 0);
@@ -5177,6 +5294,8 @@ static int rocker_port_bridge_leave(struct rocker_port *rocker_port)
rocker_port_internal_vlan_id_get(rocker_port,
rocker_port->dev->ifindex);
+ switchdev_port_fwd_mark_set(rocker_port->dev, rocker_port->bridge_dev,
+ false);
rocker_port->bridge_dev = NULL;
err = rocker_port_vlan_add(rocker_port, SWITCHDEV_TRANS_NONE,
@@ -5191,46 +5310,77 @@ static int rocker_port_bridge_leave(struct rocker_port *rocker_port)
return err;
}
-static int rocker_port_master_changed(struct net_device *dev)
+
+static int rocker_port_ovs_changed(struct rocker_port *rocker_port,
+ struct net_device *master)
+{
+ int err;
+
+ rocker_port->bridge_dev = master;
+
+ err = rocker_port_fwd_disable(rocker_port, SWITCHDEV_TRANS_NONE, 0);
+ if (err)
+ return err;
+ err = rocker_port_fwd_enable(rocker_port, SWITCHDEV_TRANS_NONE, 0);
+
+ return err;
+}
+
+static int rocker_port_master_linked(struct rocker_port *rocker_port,
+ struct net_device *master)
{
- struct rocker_port *rocker_port = netdev_priv(dev);
- struct net_device *master = netdev_master_upper_dev_get(dev);
int err = 0;
- /* There are currently three cases handled here:
- * 1. Joining a bridge
- * 2. Leaving a previously joined bridge
- * 3. Other, e.g. being added to or removed from a bond or openvswitch,
- * in which case nothing is done
- */
- if (master && master->rtnl_link_ops &&
- !strcmp(master->rtnl_link_ops->kind, "bridge"))
+ if (netif_is_bridge_master(master))
err = rocker_port_bridge_join(rocker_port, master);
- else if (rocker_port_is_bridged(rocker_port))
- err = rocker_port_bridge_leave(rocker_port);
+ else if (netif_is_ovs_master(master))
+ err = rocker_port_ovs_changed(rocker_port, master);
+ return err;
+}
+static int rocker_port_master_unlinked(struct rocker_port *rocker_port)
+{
+ int err = 0;
+
+ if (rocker_port_is_bridged(rocker_port))
+ err = rocker_port_bridge_leave(rocker_port);
+ else if (rocker_port_is_ovsed(rocker_port))
+ err = rocker_port_ovs_changed(rocker_port, NULL);
return err;
}
static int rocker_netdevice_event(struct notifier_block *unused,
unsigned long event, void *ptr)
{
- struct net_device *dev;
+ struct net_device *dev = netdev_notifier_info_to_dev(ptr);
+ struct netdev_notifier_changeupper_info *info;
+ struct rocker_port *rocker_port;
int err;
+ if (!rocker_port_dev_check(dev))
+ return NOTIFY_DONE;
+
switch (event) {
case NETDEV_CHANGEUPPER:
- dev = netdev_notifier_info_to_dev(ptr);
- if (!rocker_port_dev_check(dev))
- return NOTIFY_DONE;
- err = rocker_port_master_changed(dev);
- if (err)
- netdev_warn(dev,
- "failed to reflect master change (err %d)\n",
- err);
+ info = ptr;
+ if (!info->master)
+ goto out;
+ rocker_port = netdev_priv(dev);
+ if (info->linking) {
+ err = rocker_port_master_linked(rocker_port,
+ info->upper_dev);
+ if (err)
+ netdev_warn(dev, "failed to reflect master linked (err %d)\n",
+ err);
+ } else {
+ err = rocker_port_master_unlinked(rocker_port);
+ if (err)
+ netdev_warn(dev, "failed to reflect master unlinked (err %d)\n",
+ err);
+ }
break;
}
-
+out:
return NOTIFY_DONE;
}