53e7a08f0d
Extend nfp_port to contain devlink_port structures. Register the ports to allow users inspecting device ports. Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com> Signed-off-by: David S. Miller <davem@davemloft.net>
111 lines
3.5 KiB
C
111 lines
3.5 KiB
C
/*
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* Copyright (C) 2017 Netronome Systems, Inc.
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*
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* This software is dual licensed under the GNU General License Version 2,
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* June 1991 as shown in the file COPYING in the top-level directory of this
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* source tree or the BSD 2-Clause License provided below. You have the
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* option to license this software under the complete terms of either license.
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*
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* The BSD 2-Clause License:
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*
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* Redistribution and use in source and binary forms, with or
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* without modification, are permitted provided that the following
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* conditions are met:
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*
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* 1. Redistributions of source code must retain the above
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* copyright notice, this list of conditions and the following
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* disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials
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* provided with the distribution.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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#ifndef _NFP_PORT_H_
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#define _NFP_PORT_H_
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#include <net/devlink.h>
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struct net_device;
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struct nfp_app;
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struct nfp_port;
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/**
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* enum nfp_port_type - type of port NFP can switch traffic to
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* @NFP_PORT_INVALID: port is invalid, %NFP_PORT_PHYS_PORT transitions to this
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* state when port disappears because of FW fault or config
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* change
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* @NFP_PORT_PHYS_PORT: external NIC port
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*/
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enum nfp_port_type {
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NFP_PORT_INVALID,
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NFP_PORT_PHYS_PORT,
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};
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/**
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* enum nfp_port_flags - port flags (can be type-specific)
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* @NFP_PORT_CHANGED: port state has changed since last eth table refresh;
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* for NFP_PORT_PHYS_PORT, never set otherwise; must hold
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* rtnl_lock to clear
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*/
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enum nfp_port_flags {
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NFP_PORT_CHANGED = 0,
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};
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/**
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* struct nfp_port - structure representing NFP port
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* @netdev: backpointer to associated netdev
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* @type: what port type does the entity represent
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* @flags: port flags
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* @app: backpointer to the app structure
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* @dl_port: devlink port structure
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* @eth_id: for %NFP_PORT_PHYS_PORT port ID in NFP enumeration scheme
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* @eth_port: for %NFP_PORT_PHYS_PORT translated ETH Table port entry
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* @port_list: entry on pf's list of ports
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*/
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struct nfp_port {
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struct net_device *netdev;
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enum nfp_port_type type;
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unsigned long flags;
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struct nfp_app *app;
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struct devlink_port dl_port;
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unsigned int eth_id;
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struct nfp_eth_table_port *eth_port;
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struct list_head port_list;
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};
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struct nfp_port *nfp_port_from_netdev(struct net_device *netdev);
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struct nfp_eth_table_port *__nfp_port_get_eth_port(struct nfp_port *port);
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struct nfp_eth_table_port *nfp_port_get_eth_port(struct nfp_port *port);
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int
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nfp_port_get_phys_port_name(struct net_device *netdev, char *name, size_t len);
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struct nfp_port *
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nfp_port_alloc(struct nfp_app *app, enum nfp_port_type type,
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struct net_device *netdev);
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void nfp_port_free(struct nfp_port *port);
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int nfp_net_refresh_eth_port(struct nfp_port *port);
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void nfp_net_refresh_port_table(struct nfp_port *port);
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int nfp_devlink_port_register(struct nfp_app *app, struct nfp_port *port);
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void nfp_devlink_port_unregister(struct nfp_port *port);
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#endif
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