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Re: [PATCH V3 net-next 2/8] net: hns3: Add support of the HNAE3 framework




Hi,
On Sat, Jun 17, 2017 at 06:24:25PM +0100, Salil Mehta wrote:
+ *   Unregister client from ae_dev
+ * start()
+ *   Enable the hardware
+ * stop()
+ *   Disable the hardware
+ * get_status()
+ *   Get the carrier state of the back channel of the handle, 1 for ok, 0 for
+ *   non-ok
+ * get_ksettings_an_result()
+ *   Get negotiation status,speed and duplex
+ * update_speed_duplex_h()
+ *   Update hardware speed and duplex
+ * get_media_type()
+ *   Get media type of MAC
+ * adjust_link()
+ *   Adjust link status
+ * set_loopback()
+ *   Set loopback
+ * set_promisc_mode
+ *   Set promisc mode
+ * set_mtu()
+ *   set mtu
+ * get_pauseparam()
+ *   get tx and rx of pause frame use
+ * set_pauseparam()
+ *   set tx and rx of pause frame use
+ * set_autoneg()
+ *   set auto autonegotiation of pause frame use
+ * get_autoneg()
+ *   get auto autonegotiation of pause frame use
+ * get_coalesce_usecs()
+ *   get usecs to delay a TX interrupt after a packet is sent
+ * get_rx_max_coalesced_frames()
+ *   get Maximum number of packets to be sent before a TX interrupt.
+ * set_coalesce_usecs()
+ *   set usecs to delay a TX interrupt after a packet is sent
+ * set_coalesce_frames()
+ *   set Maximum number of packets to be sent before a TX interrupt.
+ * get_mac_addr()
+ *   get mac address
+ * set_mac_addr()
+ *   set mac address
+ * add_uc_addr
+ *   Add unicast addr to mac table
+ * rm_uc_addr
+ *   Remove unicast addr from mac table
+ * set_mc_addr()
+ *   Set multicast address
+ * add_mc_addr
+ *   Add multicast address to mac table
+ * rm_mc_addr
+ *   Remove multicast address from mac table
+ * update_stats()
+ *   Update Old network device statistics
+ * get_ethtool_stats()
+ *   Get ethtool network device statistics
+ * get_strings()
+ *   Get a set of strings that describe the requested objects
+ * get_sset_count()
+ *   Get number of strings that @get_strings will write
+ * update_led_status()
+ *   Update the led status
+ * set_led_id()
+ *   Set led id
+ * get_regs()
+ *   Get regs dump
+ * get_regs_len()
+ *   Get the len of the regs dump
+ * get_rss_key_size()
+ *   Get rss key size
+ * get_rss_indir_size()
+ *   Get rss indirection table size
+ * get_rss()
+ *   Get rss table
+ * set_rss()
+ *   Set rss table
+ * get_tc_size()
+ *   Get tc size of handle
+ * get_vector()
+ *   Get vector number and vector infomation

Just another spealling : information

Checkpatch will report it also.

+ * map_ring_to_vector()
+ *   Map rings to vector
+ * unmap_ring_from_vector()
+ *   Unmap rings from vector
+ * add_tunnel_udp()
+ *   Add tunnel information to hardware
+ * del_tunnel_udp()
+ *   Delete tunnel information from hardware
+ * reset_queue()
+ *   Reset queue
+ * get_fw_version()
+ *   Get firmware version
+ * get_mdix_mode()
+ *   Get media typr of phy
+ * set_vlan_filter()
+ *   Set vlan filter config of Ports
+ * set_vf_vlan_filter()
+ *   Set vlan filter config of vf
+ */
+struct hnae3_ae_ops {
+	int (*init_ae_dev)(struct hnae3_ae_dev *ae_dev);
+	void (*uninit_ae_dev)(struct hnae3_ae_dev *ae_dev);
+
+	int (*register_client)(struct hnae3_client *client,
+			       struct hnae3_ae_dev *ae_dev);
+	void (*unregister_client)(struct hnae3_client *client,
+				  struct hnae3_ae_dev *ae_dev);
+	int (*start)(struct hnae3_handle *handle);
+	void (*stop)(struct hnae3_handle *handle);
+	int (*get_status)(struct hnae3_handle *handle);
+	void (*get_ksettings_an_result)(struct hnae3_handle *handle,
+					u8 *auto_neg, u32 *speed, u8 *duplex);
+
+	int (*update_speed_duplex_h)(struct hnae3_handle *handle);
+	int (*cfg_mac_speed_dup_h)(struct hnae3_handle *handle, int speed,
+				   u8 duplex);
+
+	void (*get_media_type)(struct hnae3_handle *handle, u8 *media_type);
+	void (*adjust_link)(struct hnae3_handle *handle, int speed, int duplex);
+	int (*set_loopback)(struct hnae3_handle *handle,
+			    enum hnae3_loop loop_mode, bool en);
+
+	void (*set_promisc_mode)(struct hnae3_handle *handle, u32 en);
+	int (*set_mtu)(struct hnae3_handle *handle, int new_mtu);
+
+	void (*get_pauseparam)(struct hnae3_handle *handle,
+			       u32 *auto_neg, u32 *rx_en, u32 *tx_en);
+	int (*set_pauseparam)(struct hnae3_handle *handle,
+			      u32 auto_neg, u32 rx_en, u32 tx_en);
+
+	int (*set_autoneg)(struct hnae3_handle *handle, bool enable);
+	int (*get_autoneg)(struct hnae3_handle *handle);
+
+	void (*get_coalesce_usecs)(struct hnae3_handle *handle,
+				   u32 *tx_usecs, u32 *rx_usecs);
+	void (*get_rx_max_coalesced_frames)(struct hnae3_handle *handle,
+					    u32 *tx_frames, u32 *rx_frames);
+	int (*set_coalesce_usecs)(struct hnae3_handle *handle, u32 timeout);
+	int (*set_coalesce_frames)(struct hnae3_handle *handle,
+				   u32 coalesce_frames);
+	void (*get_coalesce_range)(struct hnae3_handle *handle,
+				   u32 *tx_frames_low, u32 *rx_frames_low,
+				   u32 *tx_frames_high, u32 *rx_frames_high,
+				   u32 *tx_usecs_low, u32 *rx_usecs_low,
+				   u32 *tx_usecs_high, u32 *rx_usecs_high);
+
+	void (*get_mac_addr)(struct hnae3_handle *handle, u8 *p);
+	int (*set_mac_addr)(struct hnae3_handle *handle, void *p);
+	int (*add_uc_addr)(struct hnae3_handle *handle,
+			   const unsigned char *addr);
+	int (*rm_uc_addr)(struct hnae3_handle *handle,
+			  const unsigned char *addr);
+	int (*set_mc_addr)(struct hnae3_handle *handle, void *addr);
+	int (*add_mc_addr)(struct hnae3_handle *handle,
+			   const unsigned char *addr);
+	int (*rm_mc_addr)(struct hnae3_handle *handle,
+			  const unsigned char *addr);
+
+	void (*set_tso_stats)(struct hnae3_handle *handle, int enable);
+	void (*update_stats)(struct hnae3_handle *handle,
+			     struct net_device_stats *net_stats);
+	void (*get_stats)(struct hnae3_handle *handle, u64 *data);
+
+	void (*get_strings)(struct hnae3_handle *handle,
+			    u32 stringset, u8 *data);
+	int (*get_sset_count)(struct hnae3_handle *handle, int stringset);
+
+	void (*get_regs)(struct hnae3_handle *handle, void *data);
+	int (*get_regs_len)(struct hnae3_handle *handle);
+
+	u32 (*get_rss_key_size)(struct hnae3_handle *handle);
+	u32 (*get_rss_indir_size)(struct hnae3_handle *handle);
+	int (*get_rss)(struct hnae3_handle *handle, u32 *indir, u8 *key,
+		       u8 *hfunc);
+	int (*set_rss)(struct hnae3_handle *handle, const u32 *indir,
+		       const u8 *key, const u8 hfunc);
+
+	int (*get_tc_size)(struct hnae3_handle *handle);
+
+	int (*get_vector)(struct hnae3_handle *handle, u16 vector_num,
+			  struct hnae3_vector_info *vector_info);
+	int (*map_ring_to_vector)(struct hnae3_handle *handle,
+				  int vector_num,
+				  struct hnae3_ring_chain_node *vr_chain);
+	int (*unmap_ring_from_vector)(struct hnae3_handle *handle,
+				      int vector_num,
+				      struct hnae3_ring_chain_node *vr_chain);
+
+	int (*add_tunnel_udp)(struct hnae3_handle *handle, u16 port_num);
+	int (*del_tunnel_udp)(struct hnae3_handle *handle, u16 port_num);
+
+	void (*reset_queue)(struct hnae3_handle *handle, u16 queue_id);
+	u32 (*get_fw_version)(struct hnae3_handle *handle);
+	void (*get_mdix_mode)(struct hnae3_handle *handle,
+			      u8 *tp_mdix_ctrl, u8 *tp_mdix);
+
+	int (*set_vlan_filter)(struct hnae3_handle *handle, __be16 proto,
+			       u16 vlan_id, bool is_kill);
+	int (*set_vf_vlan_filter)(struct hnae3_handle *handle, int vfid,
+				  u16 vlan, u8 qos, __be16 proto);
+};
+
+struct hnae3_ae_algo {
+	struct hnae3_ae_ops *ops;
+	struct list_head node;
+	char name[HNAE3_CLASS_NAME_SIZE];
+	const struct pci_device_id *pdev_id_table;
+};
+
+#define HNAE3_INT_NAME_LEN        (IFNAMSIZ + 16)
+#define HNAE3_ITR_COUNTDOWN_START 100
+
+struct hnae3_tc_info {
+	u16	tqp_offset;	/* TQP offset from base TQP */
+	u16	tqp_count;	/* Total TQPs */
+	u8	up;		/* user priority */
+	u8	tc;		/* TC index */
+	bool	enable;		/* If this TC is enable or not */
+};
+
+#define HNAE3_MAX_TC		8
+struct hnae3_knic_private_info {
+	struct net_device *netdev; /* Set by KNIC client when init instance */
+	u16 rss_size;		   /* Allocated RSS queues */
+	u16 rx_buf_len;
+	u16 num_desc;
+
+	u8 num_tc;		   /* Total number of enabled TCs */
+	struct hnae3_tc_info tc_info[HNAE3_MAX_TC]; /* Idx of array is HW TC */
+
+	u16 num_tqps;		  /* total number of TQPs in this handle */
+	struct hnae3_queue **tqp;  /* array base of all TQPs in this instance */
+};
+
+struct hnae3_roce_private_info {
+	void __iomem *roce_io_base;
+	struct net_device *netdev;
+	int base_vector;
+	int num_vectors;
+};
+
+struct hnae3_unic_private_info {
+	u16 rx_buf_len;
+	u16 num_desc;
+	u16 num_tqps;	/* total number of tqps in this handle */
+	struct hnae3_queue **tqp;  /* array base of all TQPs of this instance */
+};
+
+#define HNAE3_SUPPORT_MAC_LOOPBACK    1
+#define HNAE3_SUPPORT_PHY_LOOPBACK    2
+#define HNAE3_SUPPORT_SERDES_LOOPBACK 4
+
+struct hnae3_handle {
+	struct hnae3_client *client;
+	struct pci_dev *pdev;
+	void *priv;
+	struct hnae3_ae_algo *ae_algo;  /* the class who provides this handle */
+	u64 flags; /* Indicate the capabilities for this handle*/
+
+	union {
+		struct hnae3_knic_private_info kinfo;
+		struct hnae3_unic_private_info uinfo;
+		struct hnae3_roce_private_info rinfo;
+	};
+
+	u32 numa_node_mask;	/* for multi-chip support */
+};
+
+#define hnae_set_field(origin, mask, shift, val) \
+	do { \
+		(origin) &= (~(mask)); \
+		(origin) |= ((val) << (shift)) & (mask); \
+	} while (0)
+#define hnae_get_field(origin, mask, shift) (((origin) & (mask)) >> (shift))
+
+#define hnae_set_bit(origin, shift, val) \
+	hnae_set_field((origin), (0x1 << (shift)), (shift), (val))
+#define hnae_get_bit(origin, shift) \
+	hnae_get_field((origin), (0x1 << (shift)), (shift))
+
+int hnae3_register_ae_dev(struct hnae3_ae_dev *ae_dev);
+void hnae3_unregister_ae_dev(struct hnae3_ae_dev *ae_dev);
+
+void hnae3_unregister_ae_algo(struct hnae3_ae_algo *ae_algo);
+int hnae3_register_ae_algo(struct hnae3_ae_algo *ae_algo);
+
+void hnae3_unregister_client(struct hnae3_client *client);
+int hnae3_register_client(struct hnae3_client *client);
+#endif
--
2.7.4