qlcnic: Cleanup patch

 1. Changed adapter structure to move away from embedding hardware and
    receive context structs and use pointers to those objects
 2. Packed all the structs that interface with FW
 3. Removed unused code and structs

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

1 files changed, 38 insertions, 88 deletions

diff --git a/drivers/net/qlcnic/qlcnic.h b/drivers/net/qlcnic/qlcnic.h
index dc44564ef6f..15d950a4f46 100644
--- a/drivers/net/qlcnic/qlcnic.h
+++ b/drivers/net/qlcnic/qlcnic.h
@@ -93,8 +93,6 @@
 #define TX_IP_PKT	0x04
 #define TX_TCP_LSO	0x05
 #define TX_TCP_LSO6	0x06
-#define TX_IPSEC	0x07
-#define TX_IPSEC_CMD	0x0a
 #define TX_TCPV6_PKT	0x0b
 #define TX_UDPV6_PKT	0x0c
 
@@ -200,7 +198,7 @@ struct rcv_desc {
 	__le16 reserved;
 	__le32 buffer_length;	/* allocated buffer length (usually 2K) */
 	__le64 addr_buffer;
-};
+} __packed;
 
 /* opcode field in status_desc */
 #define QLCNIC_SYN_OFFLOAD	0x03
@@ -365,12 +363,6 @@ struct qlcnic_skb_frag {
 	u64 length;
 };
 
-struct qlcnic_recv_crb {
-	u32 crb_rcv_producer[NUM_RCV_DESC_RINGS];
-	u32 crb_sts_consumer[NUM_STS_DESC_RINGS];
-	u32 sw_int_mask[NUM_STS_DESC_RINGS];
-};
-
 /*    Following defines are for the state of the buffers    */
 #define	QLCNIC_BUFFER_FREE	0
 #define	QLCNIC_BUFFER_BUSY	1
@@ -387,10 +379,10 @@ struct qlcnic_cmd_buffer {
 
 /* In rx_buffer, we do not need multiple fragments as is a single buffer */
 struct qlcnic_rx_buffer {
-	struct list_head list;
+	u16 ref_handle;
 	struct sk_buff *skb;
+	struct list_head list;
 	u64 dma;
-	u16 ref_handle;
 };
 
 /* Board types */
@@ -494,12 +486,12 @@ struct qlcnic_host_tx_ring {
  * present elsewhere.
  */
 struct qlcnic_recv_context {
+	struct qlcnic_host_rds_ring *rds_rings;
+	struct qlcnic_host_sds_ring *sds_rings;
 	u32 state;
 	u16 context_id;
 	u16 virt_port;
 
-	struct qlcnic_host_rds_ring *rds_rings;
-	struct qlcnic_host_sds_ring *sds_rings;
 };
 
 /* HW context creation */
@@ -538,9 +530,6 @@ struct qlcnic_recv_context {
 #define QLCNIC_CDRP_CMD_DESTROY_RX_CTX          0x00000008
 #define QLCNIC_CDRP_CMD_CREATE_TX_CTX           0x00000009
 #define QLCNIC_CDRP_CMD_DESTROY_TX_CTX          0x0000000a
-#define QLCNIC_CDRP_CMD_SETUP_STATISTICS        0x0000000e
-#define QLCNIC_CDRP_CMD_GET_STATISTICS          0x0000000f
-#define QLCNIC_CDRP_CMD_DELETE_STATISTICS       0x00000010
 #define QLCNIC_CDRP_CMD_SET_MTU                 0x00000012
 #define QLCNIC_CDRP_CMD_READ_PHY		0x00000013
 #define QLCNIC_CDRP_CMD_WRITE_PHY		0x00000014
@@ -549,17 +538,11 @@ struct qlcnic_recv_context {
 #define QLCNIC_CDRP_CMD_SET_FLOW_CTL		0x00000017
 #define QLCNIC_CDRP_CMD_READ_MAX_MTU		0x00000018
 #define QLCNIC_CDRP_CMD_READ_MAX_LRO		0x00000019
-#define QLCNIC_CDRP_CMD_CONFIGURE_TOE		0x0000001a
-#define QLCNIC_CDRP_CMD_FUNC_ATTRIB		0x0000001b
-#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_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
@@ -597,14 +580,14 @@ struct qlcnic_hostrq_sds_ring {
 	__le32 ring_size;		/* Ring entries */
 	__le16 msi_index;
 	__le16 rsvd;		/* Padding */
-};
+} __packed;
 
 struct qlcnic_hostrq_rds_ring {
 	__le64 host_phys_addr;	/* Ring base addr */
 	__le64 buff_size;		/* Packet buffer size */
 	__le32 ring_size;		/* Ring entries */
 	__le32 ring_kind;		/* Class of ring */
-};
+} __packed;
 
 struct qlcnic_hostrq_rx_ctx {
 	__le64 host_rsp_dma_addr;	/* Response dma'd here */
@@ -625,17 +608,17 @@ struct qlcnic_hostrq_rx_ctx {
 	   - N hostrq_rds_rings
 	   - N hostrq_sds_rings */
 	char data[0];
-};
+} __packed;
 
 struct qlcnic_cardrsp_rds_ring{
 	__le32 host_producer_crb;	/* Crb to use */
 	__le32 rsvd1;		/* Padding */
-};
+} __packed;
 
 struct qlcnic_cardrsp_sds_ring {
 	__le32 host_consumer_crb;	/* Crb to use */
 	__le32 interrupt_crb;	/* Crb to use */
-};
+} __packed;
 
 struct qlcnic_cardrsp_rx_ctx {
 	/* These ring offsets are relative to data[0] below */
@@ -654,7 +637,7 @@ struct qlcnic_cardrsp_rx_ctx {
 	   - N cardrsp_rds_rings
 	   - N cardrs_sds_rings */
 	char data[0];
-};
+} __packed;
 
 #define SIZEOF_HOSTRQ_RX(HOSTRQ_RX, rds_rings, sds_rings)	\
 	(sizeof(HOSTRQ_RX) + 					\
@@ -674,7 +657,7 @@ struct qlcnic_hostrq_cds_ring {
 	__le64 host_phys_addr;	/* Ring base addr */
 	__le32 ring_size;		/* Ring entries */
 	__le32 rsvd;		/* Padding */
-};
+} __packed;
 
 struct qlcnic_hostrq_tx_ctx {
 	__le64 host_rsp_dma_addr;	/* Response dma'd here */
@@ -689,12 +672,12 @@ struct qlcnic_hostrq_tx_ctx {
 	__le16 rsvd3;		/* Padding */
 	struct qlcnic_hostrq_cds_ring cds_ring;	/* Desc of cds ring */
 	u8  reserved[128];	/* future expansion */
-};
+} __packed;
 
 struct qlcnic_cardrsp_cds_ring {
 	__le32 host_producer_crb;	/* Crb to use */
 	__le32 interrupt_crb;	/* Crb to use */
-};
+} __packed;
 
 struct qlcnic_cardrsp_tx_ctx {
 	__le32 host_ctx_state;	/* Starting state */
@@ -703,7 +686,7 @@ struct qlcnic_cardrsp_tx_ctx {
 	u8  virt_port;		/* Virtual/Logical id of port */
 	struct qlcnic_cardrsp_cds_ring cds_ring;	/* Card cds settings */
 	u8  reserved[128];	/* future expansion */
-};
+} __packed;
 
 #define SIZEOF_HOSTRQ_TX(HOSTRQ_TX)	(sizeof(HOSTRQ_TX))
 #define SIZEOF_CARDRSP_TX(CARDRSP_TX)	(sizeof(CARDRSP_TX))
@@ -782,50 +765,20 @@ struct qlcnic_nic_intr_coalesce {
 /*
  * Driver --> Firmware
  */
-#define QLCNIC_H2C_OPCODE_START 			0
-#define QLCNIC_H2C_OPCODE_CONFIG_RSS			1
-#define QLCNIC_H2C_OPCODE_CONFIG_RSS_TBL		2
-#define QLCNIC_H2C_OPCODE_CONFIG_INTR_COALESCE		3
-#define QLCNIC_H2C_OPCODE_CONFIG_LED			4
-#define QLCNIC_H2C_OPCODE_CONFIG_PROMISCUOUS		5
-#define QLCNIC_H2C_OPCODE_CONFIG_L2_MAC 		6
-#define QLCNIC_H2C_OPCODE_LRO_REQUEST			7
-#define QLCNIC_H2C_OPCODE_GET_SNMP_STATS		8
-#define QLCNIC_H2C_OPCODE_PROXY_START_REQUEST		9
-#define QLCNIC_H2C_OPCODE_PROXY_STOP_REQUEST		10
-#define QLCNIC_H2C_OPCODE_PROXY_SET_MTU 		11
-#define QLCNIC_H2C_OPCODE_PROXY_SET_VPORT_MISS_MODE	12
-#define QLCNIC_H2C_OPCODE_GET_FINGER_PRINT_REQUEST	13
-#define QLCNIC_H2C_OPCODE_INSTALL_LICENSE_REQUEST	14
-#define QLCNIC_H2C_OPCODE_GET_LICENSE_CAPABILITY_REQUEST	15
-#define QLCNIC_H2C_OPCODE_GET_NET_STATS 		16
-#define QLCNIC_H2C_OPCODE_PROXY_UPDATE_P2V		17
-#define QLCNIC_H2C_OPCODE_CONFIG_IPADDR 		18
-#define QLCNIC_H2C_OPCODE_PROXY_STOP_DONE		20
-#define QLCNIC_H2C_OPCODE_GET_LINKEVENT 		21
-#define QLCNIC_C2C_OPCODE				22
-#define QLCNIC_H2C_OPCODE_CONFIG_BRIDGING		23
-#define QLCNIC_H2C_OPCODE_CONFIG_HW_LRO 		24
-#define QLCNIC_H2C_OPCODE_LAST				25
+#define QLCNIC_H2C_OPCODE_CONFIG_RSS			0x1
+#define QLCNIC_H2C_OPCODE_CONFIG_INTR_COALESCE		0x3
+#define QLCNIC_H2C_OPCODE_CONFIG_LED			0x4
+#define QLCNIC_H2C_OPCODE_LRO_REQUEST			0x7
+#define QLCNIC_H2C_OPCODE_SET_MAC_RECEIVE_MODE		0xc
+#define QLCNIC_H2C_OPCODE_CONFIG_IPADDR		0x12
+#define QLCNIC_H2C_OPCODE_GET_LINKEVENT		0x15
+#define QLCNIC_H2C_OPCODE_CONFIG_BRIDGING		0x17
+#define QLCNIC_H2C_OPCODE_CONFIG_HW_LRO		0x18
 /*
  * Firmware --> Driver
  */
 
-#define QLCNIC_C2H_OPCODE_START 			128
-#define QLCNIC_C2H_OPCODE_CONFIG_RSS_RESPONSE		129
-#define QLCNIC_C2H_OPCODE_CONFIG_RSS_TBL_RESPONSE	130
-#define QLCNIC_C2H_OPCODE_CONFIG_MAC_RESPONSE		131
-#define QLCNIC_C2H_OPCODE_CONFIG_PROMISCUOUS_RESPONSE	132
-#define QLCNIC_C2H_OPCODE_CONFIG_L2_MAC_RESPONSE	133
-#define QLCNIC_C2H_OPCODE_LRO_DELETE_RESPONSE		134
-#define QLCNIC_C2H_OPCODE_LRO_ADD_FAILURE_RESPONSE	135
-#define QLCNIC_C2H_OPCODE_GET_SNMP_STATS		136
-#define QLCNIC_C2H_OPCODE_GET_FINGER_PRINT_REPLY	137
-#define QLCNIC_C2H_OPCODE_INSTALL_LICENSE_REPLY 	138
-#define QLCNIC_C2H_OPCODE_GET_LICENSE_CAPABILITIES_REPLY 139
-#define QLCNIC_C2H_OPCODE_GET_NET_STATS_RESPONSE	140
 #define QLCNIC_C2H_OPCODE_GET_LINKEVENT_RESPONSE	141
-#define QLCNIC_C2H_OPCODE_LAST				142
 
 #define VPORT_MISS_MODE_DROP		0 /* drop all unmatched */
 #define VPORT_MISS_MODE_ACCEPT_ALL	1 /* accept all packets */
@@ -894,7 +847,7 @@ struct qlcnic_nic_req {
 	__le64 qhdr;
 	__le64 req_hdr;
 	__le64 words[6];
-};
+} __packed;
 
 struct qlcnic_mac_req {
 	u8 op;
@@ -905,7 +858,7 @@ struct qlcnic_mac_req {
 struct qlcnic_vlan_req {
 	__le16 vlan_id;
 	__le16 rsvd[3];
-};
+} __packed;
 
 struct qlcnic_ipaddr {
 	__be32 ipv4;
@@ -964,14 +917,14 @@ struct qlcnic_filter_hash {
 };
 
 struct qlcnic_adapter {
-	struct qlcnic_hardware_context ahw;
-
+	struct qlcnic_hardware_context *ahw;
+	struct qlcnic_recv_context *recv_ctx;
+	struct qlcnic_host_tx_ring *tx_ring;
 	struct net_device *netdev;
 	struct pci_dev *pdev;
-	struct list_head mac_list;
 
-	spinlock_t tx_clean_lock;
-	spinlock_t mac_learn_lock;
+	unsigned long state;
+	u32 flags;
 
 	u16 num_txd;
 	u16 num_rxd;
@@ -989,7 +942,6 @@ struct qlcnic_adapter {
 
 	u8 mc_enabled;
 	u8 max_mc_count;
-	u8 rss_supported;
 	u8 fw_wait_cnt;
 	u8 fw_fail_cnt;
 	u8 tx_timeo_cnt;
@@ -1014,7 +966,6 @@ struct qlcnic_adapter {
 
 	u32 fw_hal_version;
 	u32 capabilities;
-	u32 flags;
 	u32 irq;
 	u32 temp;
 
@@ -1039,9 +990,7 @@ struct qlcnic_adapter {
 	struct qlcnic_nic_template *nic_ops;
 
 	struct qlcnic_adapter_stats stats;
-
-	struct qlcnic_recv_context recv_ctx;
-	struct qlcnic_host_tx_ring *tx_ring;
+	struct list_head mac_list;
 
 	void __iomem	*tgt_mask_reg;
 	void __iomem	*tgt_status_reg;
@@ -1056,7 +1005,8 @@ struct qlcnic_adapter {
 
 	struct qlcnic_filter_hash fhash;
 
-	unsigned long state;
+	spinlock_t tx_clean_lock;
+	spinlock_t mac_learn_lock;
 	__le32 file_prd_off;	/*File fw product offset*/
 	u32 fw_version;
 	const struct firmware *fw;
@@ -1078,7 +1028,7 @@ struct qlcnic_info {
 	__le16	min_tx_bw;
 	__le16	max_tx_bw;
 	u8	reserved2[104];
-};
+} __packed;
 
 struct qlcnic_pci_info {
 	__le16	id; /* pci function id */
@@ -1092,7 +1042,7 @@ struct qlcnic_pci_info {
 
 	u8	mac[ETH_ALEN];
 	u8	reserved2[106];
-};
+} __packed;
 
 struct qlcnic_npar_info {
 	u16	pvid;
@@ -1209,7 +1159,7 @@ struct __qlcnic_esw_statistics {
 	__le64 local_frames;
 	__le64 numbytes;
 	__le64 rsvd[3];
-};
+} __packed;
 
 struct qlcnic_esw_statistics {
 	struct __qlcnic_esw_statistics rx;
@@ -1293,7 +1243,7 @@ void qlcnic_release_tx_buffers(struct qlcnic_adapter *adapter);
 
 int qlcnic_check_fw_status(struct qlcnic_adapter *adapter);
 void qlcnic_watchdog_task(struct work_struct *work);
-void qlcnic_post_rx_buffers(struct qlcnic_adapter *adapter, u32 ringid,
+void qlcnic_post_rx_buffers(struct qlcnic_adapter *adapter,
 		struct qlcnic_host_rds_ring *rds_ring);
 int qlcnic_process_rcv_ring(struct qlcnic_host_sds_ring *sds_ring, int max);
 void qlcnic_set_multi(struct net_device *netdev);