qlcnic: Secondary unicast MAC address support.
Add support for configuring secondary unicast address which
will use existing HW filters to store all the unicast MAC
addresses and prevent device going into promiscuous mode.
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 0ae8835..8e1453a 100644
--- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c
+++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c
@@ -360,12 +360,15 @@
return ndo_dflt_fdb_del(ndm, tb, netdev, addr);
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))
+ if (is_unicast_ether_addr(addr)) {
+ err = dev_uc_del(netdev, addr);
+ if (!err)
+ err = qlcnic_nic_del_mac(adapter, addr);
+ } else if (is_multicast_ether_addr(addr)) {
err = dev_mc_del(netdev, addr);
- else
+ } else {
err = -EINVAL;
+ }
}
return err;
}
@@ -388,12 +391,16 @@
if (ether_addr_equal(addr, adapter->mac_addr))
return err;
- if (is_unicast_ether_addr(addr))
- err = qlcnic_nic_add_mac(adapter, addr, 0);
- else if (is_multicast_ether_addr(addr))
+ if (is_unicast_ether_addr(addr)) {
+ if (netdev_uc_count(netdev) < adapter->ahw->max_uc_count)
+ err = dev_uc_add_excl(netdev, addr);
+ else
+ err = -ENOMEM;
+ } else if (is_multicast_ether_addr(addr)) {
err = dev_mc_add_excl(netdev, addr);
- else
+ } else {
err = -EINVAL;
+ }
return err;
}
@@ -505,6 +512,7 @@
.config_promisc_mode = qlcnic_82xx_nic_set_promisc,
.change_l2_filter = qlcnic_82xx_change_filter,
.get_board_info = qlcnic_82xx_get_board_info,
+ .set_mac_filter_count = qlcnic_82xx_set_mac_filter_count,
.free_mac_list = qlcnic_82xx_free_mac_list,
};
@@ -1829,6 +1837,22 @@
return err;
}
+void qlcnic_82xx_set_mac_filter_count(struct qlcnic_adapter *adapter)
+{
+ struct qlcnic_hardware_context *ahw = adapter->ahw;
+ u16 act_pci_fn = ahw->act_pci_func;
+ u16 count;
+
+ ahw->max_mc_count = QLCNIC_MAX_MC_COUNT;
+ if (act_pci_fn <= 2)
+ count = (QLCNIC_MAX_UC_COUNT - QLCNIC_MAX_MC_COUNT) /
+ act_pci_fn;
+ else
+ count = (QLCNIC_LB_MAX_FILTERS - QLCNIC_MAX_MC_COUNT) /
+ act_pci_fn;
+ ahw->max_uc_count = count;
+}
+
int
qlcnic_setup_netdev(struct qlcnic_adapter *adapter, struct net_device *netdev,
int pci_using_dac)
@@ -1838,7 +1862,7 @@
adapter->rx_csum = 1;
adapter->ahw->mc_enabled = 0;
- adapter->ahw->max_mc_count = QLCNIC_MAX_MC_COUNT;
+ qlcnic_set_mac_filter_count(adapter);
netdev->netdev_ops = &qlcnic_netdev_ops;
netdev->watchdog_timeo = QLCNIC_WATCHDOG_TIMEOUTVALUE * HZ;
@@ -1876,6 +1900,7 @@
netdev->features |= NETIF_F_LRO;
netdev->hw_features = netdev->features;
+ netdev->priv_flags |= IFF_UNICAST_FLT;
netdev->irq = adapter->msix_entries[0].vector;
err = register_netdev(netdev);