qlcnic: NIC Partitioning - Add basic infrastructure support

Following changes have been added to enable the adapter to work in
NIC partitioning mode where multiple PCI functions of an adapter port can
be configured to work as NIC functions. The first function that is enumerated on
the PCI bus assumes the role of management function which, besides being able
to do all the NIC functionality, can configure other NIC partitions. Other NIC
functions can be configured as privileged or non privileged functions.
Privileged function can not configure other NIC functions but can do all the
NIC functionality including any firmware initialization, chip reset etc. Non
privileged functions can do only basic IO. For chip reset etc, it depends on the
privilege or management function.

1. Added code to determine PCI function number independent of kernel API.
2. Added Driver - FW version 2.0 support.
3. Changed producer and consumer register offset calculation.
4. Added management and privileged operation modes for npar functions. A module
 parameter has been added to control it.
5. Added support for configuring the eswitch in the adapter.

Signed-off-by: Anirban Chakraborty <anirban.chakraborty@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 113 insertions, 8 deletions

diff --git a/drivers/net/qlcnic/qlcnic.h b/drivers/net/qlcnic/qlcnic.h
index 896d40d..31a0b43 100644
--- a/drivers/net/qlcnic/qlcnic.h
+++ b/drivers/net/qlcnic/qlcnic.h
@@ -197,8 +197,7 @@ struct cmd_desc_type0 {
 
 	__le64 addr_buffer4;
 
-	__le32 reserved2;
-	__le16 reserved;
+	u8 eth_addr[ETH_ALEN];
 	__le16 vlan_TCI;
 
 } __attribute__ ((aligned(64)));
@@ -315,6 +314,8 @@ struct uni_data_desc{
 #define QLCNIC_BRDTYPE_P3_10G_XFP	0x0032
 #define QLCNIC_BRDTYPE_P3_10G_TP	0x0080
 
+#define QLCNIC_MSIX_TABLE_OFFSET	0x44
+
 /* Flash memory map */
 #define QLCNIC_BRDCFG_START	0x4000		/* board config */
 #define QLCNIC_BOOTLD_START	0x10000		/* bootld */
@@ -542,7 +543,17 @@ struct qlcnic_recv_context {
 #define QLCNIC_CDRP_CMD_READ_PEXQ_PARAMETERS	0x0000001c
 #define QLCNIC_CDRP_CMD_GET_LIC_CAPABILITIES	0x0000001d
 #define QLCNIC_CDRP_CMD_READ_MAX_LRO_PER_BOARD	0x0000001e
-#define QLCNIC_CDRP_CMD_MAX			0x0000001f
+#define QLCNIC_CDRP_CMD_MAC_ADDRESS		0x0000001f
+
+#define QLCNIC_CDRP_CMD_GET_PCI_INFO		0x00000020
+#define QLCNIC_CDRP_CMD_GET_NIC_INFO		0x00000021
+#define QLCNIC_CDRP_CMD_SET_NIC_INFO		0x00000022
+#define QLCNIC_CDRP_CMD_RESET_NPAR		0x00000023
+#define QLCNIC_CDRP_CMD_GET_ESWITCH_CAPABILITY	0x00000024
+#define QLCNIC_CDRP_CMD_TOGGLE_ESWITCH		0x00000025
+#define QLCNIC_CDRP_CMD_GET_ESWITCH_STATUS	0x00000026
+#define QLCNIC_CDRP_CMD_SET_PORTMIRRORING	0x00000027
+#define QLCNIC_CDRP_CMD_CONFIGURE_ESWITCH	0x00000028
 
 #define QLCNIC_RCODE_SUCCESS		0
 #define QLCNIC_RCODE_TIMEOUT		17
@@ -560,7 +571,6 @@ struct qlcnic_recv_context {
 /*
  * Context state
  */
-#define QLCHAL_VERSION	1
 
 #define QLCNIC_HOST_CTX_STATE_ACTIVE	2
 
@@ -887,6 +897,7 @@ struct qlcnic_mac_req {
 #define MSIX_ENTRIES_PER_ADAPTER	NUM_STS_DESC_RINGS
 #define QLCNIC_MSIX_TBL_SPACE		8192
 #define QLCNIC_PCI_REG_MSIX_TBL 	0x44
+#define QLCNIC_MSIX_TBL_PGSIZE		4096
 
 #define QLCNIC_NETDEV_WEIGHT	128
 #define QLCNIC_ADAPTER_UP_MAGIC 777
@@ -923,7 +934,6 @@ struct qlcnic_adapter {
 	u8 mc_enabled;
 	u8 max_mc_count;
 	u8 rss_supported;
-	u8 rsrvd1;
 	u8 fw_wait_cnt;
 	u8 fw_fail_cnt;
 	u8 tx_timeo_cnt;
@@ -940,6 +950,15 @@ struct qlcnic_adapter {
 	u16 link_autoneg;
 	u16 module_type;
 
+	u16 op_mode;
+	u16 switch_mode;
+	u16 max_tx_ques;
+	u16 max_rx_ques;
+	u16 min_tx_bw;
+	u16 max_tx_bw;
+	u16 max_mtu;
+
+	u32 fw_hal_version;
 	u32 capabilities;
 	u32 flags;
 	u32 irq;
@@ -948,18 +967,22 @@ struct qlcnic_adapter {
 	u32 int_vec_bit;
 	u32 heartbit;
 
+	u8 max_mac_filters;
 	u8 dev_state;
 	u8 diag_test;
 	u8 diag_cnt;
 	u8 reset_ack_timeo;
 	u8 dev_init_timeo;
-	u8 rsrd1;
 	u16 msg_enable;
 
 	u8 mac_addr[ETH_ALEN];
 
 	u64 dev_rst_time;
 
+	struct qlcnic_pci_info *npars;
+	struct qlcnic_eswitch *eswitch;
+	struct qlcnic_nic_template *nic_ops;
+
 	struct qlcnic_adapter_stats stats;
 
 	struct qlcnic_recv_context recv_ctx;
@@ -984,6 +1007,53 @@ struct qlcnic_adapter {
 	const struct firmware *fw;
 };
 
+struct qlcnic_info {
+	__le16	pci_func;
+	__le16	op_mode; /* 1 = Priv, 2 = NP, 3 = NP passthru */
+	__le16	phys_port;
+	__le16	switch_mode; /* 0 = disabled, 1 = int, 2 = ext */
+
+	__le32	capabilities;
+	u8	max_mac_filters;
+	u8	reserved1;
+	__le16	max_mtu;
+
+	__le16	max_tx_ques;
+	__le16	max_rx_ques;
+	__le16	min_tx_bw;
+	__le16	max_tx_bw;
+	u8	reserved2[104];
+};
+
+struct qlcnic_pci_info {
+	__le16	id; /* pci function id */
+	__le16	active; /* 1 = Enabled */
+	__le16	type; /* 1 = NIC, 2 = FCoE, 3 = iSCSI */
+	__le16	default_port; /* default port number */
+
+	__le16	tx_min_bw; /* Multiple of 100mbpc */
+	__le16	tx_max_bw;
+	__le16	reserved1[2];
+
+	u8	mac[ETH_ALEN];
+	u8	reserved2[106];
+};
+
+struct qlcnic_eswitch {
+	u8	port;
+	u8	active_vports;
+	u8	active_vlans;
+	u8	active_ucast_filters;
+	u8	max_ucast_filters;
+	u8	max_active_vlans;
+
+	u32	flags;
+#define QLCNIC_SWITCH_ENABLE		BIT_1
+#define QLCNIC_SWITCH_VLAN_FILTERING	BIT_2
+#define QLCNIC_SWITCH_PROMISC_MODE	BIT_3
+#define QLCNIC_SWITCH_PORT_MIRRORING	BIT_4
+};
+
 int qlcnic_fw_cmd_query_phy(struct qlcnic_adapter *adapter, u32 reg, u32 *val);
 int qlcnic_fw_cmd_set_phy(struct qlcnic_adapter *adapter, u32 reg, u32 val);
 
@@ -1070,13 +1140,14 @@ void qlcnic_advert_link_change(struct qlcnic_adapter *adapter, int linkup);
 int qlcnic_fw_cmd_set_mtu(struct qlcnic_adapter *adapter, int mtu);
 int qlcnic_change_mtu(struct net_device *netdev, int new_mtu);
 int qlcnic_config_hw_lro(struct qlcnic_adapter *adapter, int enable);
-int qlcnic_config_bridged_mode(struct qlcnic_adapter *adapter, int enable);
+int qlcnic_config_bridged_mode(struct qlcnic_adapter *adapter, u32 enable);
 int qlcnic_send_lro_cleanup(struct qlcnic_adapter *adapter);
 void qlcnic_update_cmd_producer(struct qlcnic_adapter *adapter,
 		struct qlcnic_host_tx_ring *tx_ring);
-int qlcnic_get_mac_addr(struct qlcnic_adapter *adapter, u64 *mac);
+int qlcnic_get_mac_addr(struct qlcnic_adapter *adapter, u8 *mac);
 void qlcnic_clear_ilb_mode(struct qlcnic_adapter *adapter);
 int qlcnic_set_ilb_mode(struct qlcnic_adapter *adapter);
+void qlcnic_fetch_mac(struct qlcnic_adapter *, u32, u32, u8, u8 *);
 
 /* Functions from qlcnic_main.c */
 int qlcnic_reset_context(struct qlcnic_adapter *);
@@ -1088,6 +1159,32 @@ int qlcnic_check_loopback_buff(unsigned char *data);
 netdev_tx_t qlcnic_xmit_frame(struct sk_buff *skb, struct net_device *netdev);
 void qlcnic_process_rcv_ring_diag(struct qlcnic_host_sds_ring *sds_ring);
 
+/* Functions from qlcnic_vf.c */
+int qlcnicvf_config_bridged_mode(struct qlcnic_adapter *, u32);
+int qlcnicvf_config_led(struct qlcnic_adapter *, u32, u32);
+int qlcnicvf_set_ilb_mode(struct qlcnic_adapter *adapter);
+void qlcnicvf_clear_ilb_mode(struct qlcnic_adapter *adapter);
+void qlcnicvf_set_port_mode(struct qlcnic_adapter *adapter);
+
+/* Management functions */
+int qlcnic_set_mac_address(struct qlcnic_adapter *, u8*);
+int qlcnic_get_mac_address(struct qlcnic_adapter *, u8*);
+int qlcnic_get_nic_info(struct qlcnic_adapter *, u8);
+int qlcnic_set_nic_info(struct qlcnic_adapter *, struct qlcnic_info *);
+int qlcnic_get_pci_info(struct qlcnic_adapter *);
+int qlcnic_reset_partition(struct qlcnic_adapter *, u8);
+
+/*  eSwitch management functions */
+int qlcnic_get_eswitch_capabilities(struct qlcnic_adapter *, u8,
+				struct qlcnic_eswitch *);
+int qlcnic_get_eswitch_status(struct qlcnic_adapter *, u8,
+				struct qlcnic_eswitch *);
+int qlcnic_toggle_eswitch(struct qlcnic_adapter *, u8, u8);
+int qlcnic_config_switch_port(struct qlcnic_adapter *, u8, int, u8, u8,
+			u8, u8, u16);
+int qlcnic_config_port_mirroring(struct qlcnic_adapter *, u8, u8, u8);
+extern int qlcnic_config_tso;
+
 /*
  * QLOGIC Board information
  */
@@ -1131,6 +1228,14 @@ static inline u32 qlcnic_tx_avail(struct qlcnic_host_tx_ring *tx_ring)
 
 extern const struct ethtool_ops qlcnic_ethtool_ops;
 
+struct qlcnic_nic_template {
+	int (*get_mac_addr) (struct qlcnic_adapter *, u8*);
+	int (*config_bridged_mode) (struct qlcnic_adapter *, u32);
+	int (*config_led) (struct qlcnic_adapter *, u32, u32);
+	int (*set_ilb_mode) (struct qlcnic_adapter *);
+	void (*clear_ilb_mode) (struct qlcnic_adapter *);
+};
+
 #define QLCDB(adapter, lvl, _fmt, _args...) do {	\
 	if (NETIF_MSG_##lvl & adapter->msg_enable)	\
 		printk(KERN_INFO "%s: %s: " _fmt,	\