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Message-ID: <F4CC6FACFEB3C54C9141D49AD221F7F93B81CD41@FRAEML521-MBX.china.huawei.com>
Date: Sat, 22 Jul 2017 23:58:43 +0000
From: Salil Mehta <salil.mehta@...wei.com>
To: Stephen Hemminger <stephen@...workplumber.org>
CC: "davem@...emloft.net" <davem@...emloft.net>,
"Zhuangyuzeng (Yisen)" <yisen.zhuang@...wei.com>,
huangdaode <huangdaode@...ilicon.com>,
"lipeng (Y)" <lipeng321@...wei.com>,
"mehta.salil.lnk@...il.com" <mehta.salil.lnk@...il.com>,
"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
Linuxarm <linuxarm@...wei.com>
Subject: RE: [PATCH V3 net-next 2/8] net: hns3: Add support of the HNAE3
framework
Hi Stephen,
> -----Original Message-----
> From: Stephen Hemminger [mailto:stephen@...workplumber.org]
> Sent: Monday, June 19, 2017 5:59 PM
> To: Salil Mehta
> Cc: davem@...emloft.net; Zhuangyuzeng (Yisen); huangdaode; lipeng (Y);
> mehta.salil.lnk@...il.com; netdev@...r.kernel.org; linux-
> kernel@...r.kernel.org; Linuxarm
> Subject: Re: [PATCH V3 net-next 2/8] net: hns3: Add support of the
> HNAE3 framework
>
> On Sat, 17 Jun 2017 18:24:25 +0100
> Salil Mehta <salil.mehta@...wei.com> wrote:
>
> > +
> > +/* This struct defines the operation on the handle.
> > + *
> > + * init_ae_dev(): (mandatory)
> > + * Get PF configure from pci_dev and initialize PF hardware
> > + * uninit_ae_dev()
> > + * Disable PF device and release PF resource
> > + * register_client
> > + * Register client to ae_dev
> > + * unregister_client()
> > + * 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
> > + * 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);
> > +};
> > +
>
>
> Since ae_ops contains only function pointers. All definitions of it
> must be const
> (and therefore pointers as well).
Sure, agreed and changed in V4 patch.
Best regards
Salil
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