2 * Copyright (C) 2017 Netronome Systems, Inc.
4 * This software is dual licensed under the GNU General License Version 2,
5 * June 1991 as shown in the file COPYING in the top-level directory of this
6 * source tree or the BSD 2-Clause License provided below. You have the
7 * option to license this software under the complete terms of either license.
9 * The BSD 2-Clause License:
11 * Redistribution and use in source and binary forms, with or
12 * without modification, are permitted provided that the following
15 * 1. Redistributions of source code must retain the above
16 * copyright notice, this list of conditions and the following
19 * 2. Redistributions in binary form must reproduce the above
20 * copyright notice, this list of conditions and the following
21 * disclaimer in the documentation and/or other materials
22 * provided with the distribution.
24 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
25 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
26 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
27 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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30 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
34 #ifndef NFP_NET_REPR_H
35 #define NFP_NET_REPR_H
41 #include <net/dst_metadata.h>
44 * struct nfp_reprs - container for representor netdevs
45 * @num_reprs: Number of elements in reprs array
46 * @reprs: Array of representor netdevs
49 unsigned int num_reprs
;
50 struct net_device
*reprs
[0];
54 * struct nfp_repr_pcpu_stats
55 * @rx_packets: Received packets
56 * @rx_bytes: Received bytes
57 * @tx_packets: Transmitted packets
58 * @tx_bytes: Transmitted dropped
59 * @tx_drops: Packets dropped on transmit
60 * @syncp: Reference count
62 struct nfp_repr_pcpu_stats
{
68 struct u64_stats_sync syncp
;
72 * struct nfp_repr - priv data for representor netdevs
73 * @netdev: Back pointer to netdev
74 * @dst: Destination for packet TX
75 * @port: Port of representor
77 * @stats: Statistic of packets hitting CPU
80 struct net_device
*netdev
;
81 struct metadata_dst
*dst
;
82 struct nfp_port
*port
;
84 struct nfp_repr_pcpu_stats __percpu
*stats
;
88 * enum nfp_repr_type - type of representor
89 * @NFP_REPR_TYPE_PHYS_PORT: external NIC port
90 * @NFP_REPR_TYPE_PF: physical function
91 * @NFP_REPR_TYPE_VF: virtual function
92 * @__NFP_REPR_TYPE_MAX: number of representor types
95 NFP_REPR_TYPE_PHYS_PORT
,
101 #define NFP_REPR_TYPE_MAX (__NFP_REPR_TYPE_MAX - 1)
103 extern const struct net_device_ops nfp_repr_netdev_ops
;
105 static inline bool nfp_netdev_is_nfp_repr(struct net_device
*netdev
)
107 return netdev
->netdev_ops
== &nfp_repr_netdev_ops
;
110 static inline int nfp_repr_get_port_id(struct net_device
*netdev
)
112 struct nfp_repr
*priv
= netdev_priv(netdev
);
114 return priv
->dst
->u
.port_info
.port_id
;
117 void nfp_repr_inc_rx_stats(struct net_device
*netdev
, unsigned int len
);
118 int nfp_repr_init(struct nfp_app
*app
, struct net_device
*netdev
,
119 u32 cmsg_port_id
, struct nfp_port
*port
,
120 struct net_device
*pf_netdev
);
121 struct net_device
*nfp_repr_alloc(struct nfp_app
*app
);
123 nfp_reprs_clean_and_free(struct nfp_reprs
*reprs
);
125 nfp_reprs_clean_and_free_by_type(struct nfp_app
*app
,
126 enum nfp_repr_type type
);
127 struct nfp_reprs
*nfp_reprs_alloc(unsigned int num_reprs
);
128 int nfp_reprs_resync_phys_ports(struct nfp_app
*app
);
130 #endif /* NFP_NET_REPR_H */