qlcnic: add support for FDB netdevice ops.
Providing communication channel between KVM and e-Switch so that it
can be informed when hypervisor configures a MAC address and VLAN.
qlcnic_mac_learn module param usage will be changed to:
0 = MAC learning is disable
1 = Driver learning is enable
2 = FDB learning is enable
Signed-off-by: Jitendra Kalsaria <jitendra.kalsaria@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c
index 8b0f47a..e6b363a 100644
--- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c
+++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c
@@ -32,7 +32,8 @@
static int qlcnic_mac_learn;
module_param(qlcnic_mac_learn, int, 0444);
-MODULE_PARM_DESC(qlcnic_mac_learn, "Mac Filter (0=disabled, 1=enabled)");
+MODULE_PARM_DESC(qlcnic_mac_learn,
+ "Mac Filter (0=learning is disabled, 1=Driver learning is enabled, 2=FDB learning is enabled)");
int qlcnic_use_msi = 1;
MODULE_PARM_DESC(use_msi, "MSI interrupt (0=disabled, 1=enabled");
@@ -246,6 +247,77 @@
return 0;
}
+static int qlcnic_fdb_del(struct ndmsg *ndm, struct net_device *netdev,
+ const unsigned char *addr)
+{
+ struct qlcnic_adapter *adapter = netdev_priv(netdev);
+ int err = -EOPNOTSUPP;
+
+ if (!adapter->fdb_mac_learn) {
+ pr_info("%s: Driver mac learn is enabled, FDB operation not allowed\n",
+ __func__);
+ return err;
+ }
+
+ if (adapter->flags & QLCNIC_ESWITCH_ENABLED) {
+ if (is_unicast_ether_addr(addr))
+ err = qlcnic_nic_del_mac(adapter, addr);
+ else if (is_multicast_ether_addr(addr))
+ err = dev_mc_del(netdev, addr);
+ else
+ err = -EINVAL;
+ }
+ return err;
+}
+
+static int qlcnic_fdb_add(struct ndmsg *ndm, struct nlattr *tb[],
+ struct net_device *netdev,
+ const unsigned char *addr, u16 flags)
+{
+ struct qlcnic_adapter *adapter = netdev_priv(netdev);
+ int err = 0;
+
+ if (!adapter->fdb_mac_learn) {
+ pr_info("%s: Driver mac learn is enabled, FDB operation not allowed\n",
+ __func__);
+ return -EOPNOTSUPP;
+ }
+
+ if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) {
+ pr_info("%s: FDB e-switch is not enabled\n", __func__);
+ return -EOPNOTSUPP;
+ }
+
+ if (ether_addr_equal(addr, adapter->mac_addr))
+ return err;
+
+ if (is_unicast_ether_addr(addr))
+ err = qlcnic_nic_add_mac(adapter, addr);
+ else if (is_multicast_ether_addr(addr))
+ err = dev_mc_add_excl(netdev, addr);
+ else
+ err = -EINVAL;
+
+ return err;
+}
+
+static int qlcnic_fdb_dump(struct sk_buff *skb, struct netlink_callback *ncb,
+ struct net_device *netdev, int idx)
+{
+ struct qlcnic_adapter *adapter = netdev_priv(netdev);
+
+ if (!adapter->fdb_mac_learn) {
+ pr_info("%s: Driver mac learn is enabled, FDB operation not allowed\n",
+ __func__);
+ return -EOPNOTSUPP;
+ }
+
+ if (adapter->flags & QLCNIC_ESWITCH_ENABLED)
+ idx = ndo_dflt_fdb_dump(skb, ncb, netdev, idx);
+
+ return idx;
+}
+
static void qlcnic_82xx_cancel_idc_work(struct qlcnic_adapter *adapter)
{
while (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
@@ -268,6 +340,9 @@
.ndo_tx_timeout = qlcnic_tx_timeout,
.ndo_vlan_rx_add_vid = qlcnic_vlan_rx_add,
.ndo_vlan_rx_kill_vid = qlcnic_vlan_rx_del,
+ .ndo_fdb_add = qlcnic_fdb_add,
+ .ndo_fdb_del = qlcnic_fdb_del,
+ .ndo_fdb_dump = qlcnic_fdb_dump,
#ifdef CONFIG_NET_POLL_CONTROLLER
.ndo_poll_controller = qlcnic_poll_controller,
#endif
@@ -1802,7 +1877,10 @@
adapter->dev_rst_time = jiffies;
adapter->ahw->revision_id = pdev->revision;
- adapter->mac_learn = qlcnic_mac_learn;
+ if (qlcnic_mac_learn == FDB_MAC_LEARN)
+ adapter->fdb_mac_learn = true;
+ else if (qlcnic_mac_learn == DRV_MAC_LEARN)
+ adapter->drv_mac_learn = true;
adapter->max_drv_tx_rings = 1;
rwlock_init(&adapter->ahw->crb_lock);
@@ -1893,7 +1971,7 @@
if (qlcnic_get_act_pci_func(adapter))
goto err_out_disable_mbx_intr;
- if (adapter->mac_learn)
+ if (adapter->drv_mac_learn)
qlcnic_alloc_lb_filters_mem(adapter);
qlcnic_add_sysfs(adapter);