qlcnic: Add support for per port eswitch configuration

There is an embedded switch per physical port on the adapter.
Add support for enabling and disabling the embedded switch
on per port basis.

Signed-off-by: Sony Chacko <sony.chacko@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 38 insertions, 3 deletions

diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c
index 2097d3442d7f..c4c5023e1fdf 100644
--- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c
+++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c
@@ -796,6 +796,23 @@ static int qlcnic_get_act_pci_func(struct qlcnic_adapter *adapter)
 	return ret;
 }
 
+static bool qlcnic_port_eswitch_cfg_capability(struct qlcnic_adapter *adapter)
+{
+	bool ret = false;
+
+	if (qlcnic_84xx_check(adapter)) {
+		ret = true;
+	} else if (qlcnic_83xx_check(adapter)) {
+		if (adapter->ahw->extra_capability[0] &
+		    QLCNIC_FW_CAPABILITY_2_PER_PORT_ESWITCH_CFG)
+			ret = true;
+		else
+			ret = false;
+	}
+
+	return ret;
+}
+
 int qlcnic_init_pci_info(struct qlcnic_adapter *adapter)
 {
 	struct qlcnic_pci_info *pci_info;
@@ -839,18 +856,30 @@ int qlcnic_init_pci_info(struct qlcnic_adapter *adapter)
 		    (pci_info[i].type != QLCNIC_TYPE_NIC))
 			continue;
 
+		if (qlcnic_port_eswitch_cfg_capability(adapter)) {
+			if (!qlcnic_83xx_enable_port_eswitch(adapter, pfn))
+				adapter->npars[j].eswitch_status = true;
+			else
+				continue;
+		} else {
+			adapter->npars[j].eswitch_status = true;
+		}
+
 		adapter->npars[j].pci_func = pfn;
 		adapter->npars[j].active = (u8)pci_info[i].active;
 		adapter->npars[j].type = (u8)pci_info[i].type;
 		adapter->npars[j].phy_port = (u8)pci_info[i].default_port;
 		adapter->npars[j].min_bw = pci_info[i].tx_min_bw;
 		adapter->npars[j].max_bw = pci_info[i].tx_max_bw;
+
 		j++;
 	}
 
-	for (i = 0; i < QLCNIC_NIU_MAX_XG_PORTS; i++) {
-		adapter->eswitch[i].flags |= QLCNIC_SWITCH_ENABLE;
-		if (qlcnic_83xx_check(adapter))
+	if (qlcnic_82xx_check(adapter)) {
+		for (i = 0; i < QLCNIC_NIU_MAX_XG_PORTS; i++)
+			adapter->eswitch[i].flags |= QLCNIC_SWITCH_ENABLE;
+	} else if (!qlcnic_port_eswitch_cfg_capability(adapter)) {
+		for (i = 0; i < QLCNIC_NIU_MAX_XG_PORTS; i++)
 			qlcnic_enable_eswitch(adapter, i, 1);
 	}
 
@@ -1275,6 +1304,9 @@ int qlcnic_set_default_offload_settings(struct qlcnic_adapter *adapter)
 		return 0;
 
 	for (i = 0; i < adapter->ahw->act_pci_func; i++) {
+		if (!adapter->npars[i].eswitch_status)
+			continue;
+
 		memset(&esw_cfg, 0, sizeof(struct qlcnic_esw_func_cfg));
 		esw_cfg.pci_func = adapter->npars[i].pci_func;
 		esw_cfg.mac_override = BIT_0;
@@ -1337,6 +1369,9 @@ int qlcnic_reset_npar_config(struct qlcnic_adapter *adapter)
 	for (i = 0; i < adapter->ahw->act_pci_func; i++) {
 		npar = &adapter->npars[i];
 		pci_func = npar->pci_func;
+		if (!adapter->npars[i].eswitch_status)
+			continue;
+
 		memset(&nic_info, 0, sizeof(struct qlcnic_info));
 		err = qlcnic_get_nic_info(adapter, &nic_info, pci_func);
 		if (err)