/*
* Copyright (C) 2015-2017 Netronome Systems, Inc.
*
* This software is dual licensed under the GNU General License Version 2,
* June 1991 as shown in the file COPYING in the top-level directory of this
* source tree or the BSD 2-Clause License provided below. You have the
* option to license this software under the complete terms of either license.
*
* The BSD 2-Clause License:
*
* Redistribution and use in source and binary forms, with or
* without modification, are permitted provided that the following
* conditions are met:
*
* 1. Redistributions of source code must retain the above
* copyright notice, this list of conditions and the following
* disclaimer.
*
* 2. Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#ifndef NSP_NSP_H
#define NSP_NSP_H 1
#include <linux/types.h>
#include <linux/if_ether.h>
struct firmware;
struct nfp_cpp;
struct nfp_nsp;
struct nfp_nsp *nfp_nsp_open(struct nfp_cpp *cpp);
void nfp_nsp_close(struct nfp_nsp *state);
u16 nfp_nsp_get_abi_ver_major(struct nfp_nsp *state);
u16 nfp_nsp_get_abi_ver_minor(struct nfp_nsp *state);
int nfp_nsp_wait(struct nfp_nsp *state);
int nfp_nsp_device_soft_reset(struct nfp_nsp *state);
int nfp_nsp_load_fw(struct nfp_nsp *state, const struct firmware *fw);
int nfp_nsp_write_flash(struct nfp_nsp *state, const struct firmware *fw);
int nfp_nsp_mac_reinit(struct nfp_nsp *state);
static inline bool nfp_nsp_has_mac_reinit(struct nfp_nsp *state)
{
return nfp_nsp_get_abi_ver_minor(state) > 20;
}
enum nfp_eth_interface {
NFP_INTERFACE_NONE = 0,
NFP_INTERFACE_SFP = 1,
NFP_INTERFACE_SFPP = 10,
NFP_INTERFACE_SFP28 = 28,
NFP_INTERFACE_QSFP = 40,
NFP_INTERFACE_CXP = 100,
NFP_INTERFACE_QSFP28 = 112,
};
enum nfp_eth_media {
NFP_MEDIA_DAC_PASSIVE = 0,
NFP_MEDIA_DAC_ACTIVE,
NFP_MEDIA_FIBRE,
};
enum nfp_eth_aneg {
NFP_ANEG_AUTO = 0,
NFP_ANEG_SEARCH,
NFP_ANEG_25G_CONSORTIUM,
NFP_ANEG_25G_IEEE,
NFP_ANEG_DISABLED,
};
enum nfp_eth_fec {
NFP_FEC_AUTO_BIT = 0,
NFP_FEC_BASER_BIT,
NFP_FEC_REED_SOLOMON_BIT,
NFP_FEC_DISABLED_BIT,
};
#define NFP_FEC_AUTO BIT(NFP_FEC_AUTO_BIT)
#define NFP_FEC_BASER BIT(NFP_FEC_BASER_BIT)
#define NFP_FEC_REED_SOLOMON BIT(NFP_FEC_REED_SOLOMON_BIT)
#define NFP_FEC_DISABLED BIT(NFP_FEC_DISABLED_BIT)
/**
* struct nfp_eth_table - ETH table information
* @count: number of table entries
* @max_index: max of @index fields of all @ports
* @ports: table of ports
*
* @eth_index: port index according to legacy ethX numbering
* @index: chip-wide first channel index
* @nbi: NBI index
* @base: first channel index (within NBI)
* @lanes: number of channels
* @speed: interface speed (in Mbps)
* @interface: interface (module) plugged in
* @media: media type of the @interface
* @fec: forward error correction mode
* @aneg: auto negotiation mode
* @mac_addr: interface MAC address
* @label_port: port id
* @label_subport: id of interface within port (for split ports)
* @enabled: is enabled?
* @tx_enabled: is TX enabled?
* @rx_enabled: is RX enabled?
* @override_changed: is media reconfig pending?
*
* @port_type: one of %PORT_* defines for ethtool
* @port_lanes: total number of lanes on the port (sum of lanes of all subports)
* @is_split: is interface part of a split port
* @fec_modes_supported: bitmap of FEC modes supported
*/
struct nfp_eth_table {
unsigned int count;
unsigned int max_index;
struct nfp_eth_table_port {
unsigned int eth_index;
unsigned int index;
unsigned int nbi;
unsigned int base;
unsigned int lanes;
unsigned int speed;
unsigned int interface;
enum nfp_eth_media media;
enum nfp_eth_fec fec;
enum nfp_eth_aneg aneg;
u8 mac_addr[ETH_ALEN];
u8 label_port;
u8 label_subport;
bool enabled;
bool tx_enabled;
bool rx_enabled;
bool override_changed;
/* Computed fields */
u8 port_type;
unsigned int port_lanes;
bool is_split;
unsigned int fec_modes_supported;
} ports[0];
};
struct nfp_eth_table *nfp_eth_read_ports(struct nfp_cpp *cpp);
struct nfp_eth_table *
__nfp_eth_read_ports(struct nfp_cpp *cpp, struct nfp_nsp *nsp);
int nfp_eth_set_mod_enable(struct nfp_cpp *cpp, unsigned int idx, bool enable);
int nfp_eth_set_configured(struct nfp_cpp *cpp, unsigned int idx,
bool configed);
int
nfp_eth_set_fec(struct nfp_cpp *cpp, unsigned int idx, enum nfp_eth_fec mode);
static inline bool nfp_eth_can_support_fec(struct nfp_eth_table_port *eth_port)
{
return !!eth_port->fec_modes_supported;
}
static inline unsigned int
nfp_eth_supported_fec_modes(struct nfp_eth_table_port *eth_port)
{
return eth_port->fec_modes_supported;
}
struct nfp_nsp *nfp_eth_config_start(struct nfp_cpp *cpp, unsigned int idx);
int nfp_eth_config_commit_end(struct nfp_nsp *nsp);
void nfp_eth_config_cleanup_end(struct nfp_nsp *nsp);
int __nfp_eth_set_aneg(struct nfp_nsp *nsp, enum nfp_eth_aneg mode);
int __nfp_eth_set_speed(struct nfp_nsp *nsp, unsigned int speed);
int __nfp_eth_set_split(struct nfp_nsp *nsp, unsigned int lanes);
/**
* struct nfp_nsp_identify - NSP static information
* @version: opaque version string
* @flags: version flags
* @br_primary: branch id of primary bootloader
* @br_secondary: branch id of secondary bootloader
* @br_nsp: branch id of NSP
* @primary: version of primarary bootloader
* @secondary: version id of secondary bootloader
* @nsp: version id of NSP
* @sensor_mask: mask of present sensors available on NIC
*/
struct nfp_nsp_identify {
char version[40];
u8 flags;
u8 br_primary;
u8 br_secondary;
u8 br_nsp;
u16 primary;
u16 secondary;
u16 nsp;
u64 sensor_mask;
};
struct nfp_nsp_identify *__nfp_nsp_identify(struct nfp_nsp *nsp);
enum nfp_nsp_sensor_id {
NFP_SENSOR_CHIP_TEMPERATURE,
NFP_SENSOR_ASSEMBLY_POWER,
NFP_SENSOR_ASSEMBLY_12V_POWER,
NFP_SENSOR_ASSEMBLY_3V3_POWER,
};
int nfp_hwmon_read_sensor(struct nfp_cpp *cpp, enum nfp_nsp_sensor_id id,
long *val);
#endif
