cregit-Linux how code gets into the kernel

Release 4.12 drivers/net/ethernet/netronome/nfp/nfpcore/nfp_nsp.h

/*
 * 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);


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,
};

/**
 * struct nfp_eth_table - ETH table information
 * @count:      number of table entries
 * @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
 * @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
 * @is_split:   is interface part of a split port
 */

struct nfp_eth_table {
	
unsigned int count;
	
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_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;

		
bool is_split;
	
} 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);

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
 */

struct nfp_nsp_identify {
	
char version[40];
	
u8 flags;
	
u8 br_primary;
	
u8 br_secondary;
	
u8 br_nsp;
	
u16 primary;
	
u16 secondary;
	
u16 nsp;
};

struct nfp_nsp_identify *__nfp_nsp_identify(struct nfp_nsp *nsp);

#endif

Overall Contributors

PersonTokensPropCommitsCommitProp
Jakub Kiciński37389.45%888.89%
David Brunecz4410.55%111.11%
Total417100.00%9100.00%
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