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1/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */2/* Copyright (C) 2017-2018 Netronome Systems, Inc. */3 4#ifndef NFP_NET_REPR_H5#define NFP_NET_REPR_H6 7struct metadata_dst;8struct nfp_app;9struct nfp_net;10struct nfp_port;11 12#include <net/dst_metadata.h>13 14/**15 * struct nfp_reprs - container for representor netdevs16 * @num_reprs: Number of elements in reprs array17 * @reprs: Array of representor netdevs18 */19struct nfp_reprs {20 unsigned int num_reprs;21 struct net_device __rcu *reprs[] __counted_by(num_reprs);22};23 24/**25 * struct nfp_repr_pcpu_stats26 * @rx_packets: Received packets27 * @rx_bytes: Received bytes28 * @tx_packets: Transmitted packets29 * @tx_bytes: Transmitted dropped30 * @tx_drops: Packets dropped on transmit31 * @syncp: Reference count32 */33struct nfp_repr_pcpu_stats {34 u64 rx_packets;35 u64 rx_bytes;36 u64 tx_packets;37 u64 tx_bytes;38 u64 tx_drops;39 struct u64_stats_sync syncp;40};41 42/**43 * struct nfp_repr - priv data for representor netdevs44 * @netdev: Back pointer to netdev45 * @dst: Destination for packet TX46 * @port: Port of representor47 * @app: APP handle48 * @stats: Statistic of packets hitting CPU49 * @app_priv: Pointer for APP data50 */51struct nfp_repr {52 struct net_device *netdev;53 struct metadata_dst *dst;54 struct nfp_port *port;55 struct nfp_app *app;56 struct nfp_repr_pcpu_stats __percpu *stats;57 void *app_priv;58};59 60/**61 * enum nfp_repr_type - type of representor62 * @NFP_REPR_TYPE_PHYS_PORT: external NIC port63 * @NFP_REPR_TYPE_PF: physical function64 * @NFP_REPR_TYPE_VF: virtual function65 * @__NFP_REPR_TYPE_MAX: number of representor types66 */67enum nfp_repr_type {68 NFP_REPR_TYPE_PHYS_PORT,69 NFP_REPR_TYPE_PF,70 NFP_REPR_TYPE_VF,71 72 __NFP_REPR_TYPE_MAX,73};74#define NFP_REPR_TYPE_MAX (__NFP_REPR_TYPE_MAX - 1)75 76extern const struct net_device_ops nfp_repr_netdev_ops;77 78static inline bool nfp_netdev_is_nfp_repr(struct net_device *netdev)79{80 return netdev->netdev_ops == &nfp_repr_netdev_ops;81}82 83static inline int nfp_repr_get_port_id(struct net_device *netdev)84{85 struct nfp_repr *priv = netdev_priv(netdev);86 87 return priv->dst->u.port_info.port_id;88}89 90struct net_device *91nfp_repr_get_locked(struct nfp_app *app, struct nfp_reprs *set,92 unsigned int id);93 94void nfp_repr_inc_rx_stats(struct net_device *netdev, unsigned int len);95void96nfp_repr_transfer_features(struct net_device *netdev, struct net_device *lower);97int nfp_repr_init(struct nfp_app *app, struct net_device *netdev,98 u32 cmsg_port_id, struct nfp_port *port,99 struct net_device *pf_netdev);100void nfp_repr_free(struct net_device *netdev);101struct net_device *102nfp_repr_alloc_mqs(struct nfp_app *app, unsigned int txqs, unsigned int rxqs);103void nfp_repr_clean_and_free(struct nfp_repr *repr);104void nfp_reprs_clean_and_free(struct nfp_app *app, struct nfp_reprs *reprs);105void nfp_reprs_clean_and_free_by_type(struct nfp_app *app,106 enum nfp_repr_type type);107struct nfp_reprs *nfp_reprs_alloc(unsigned int num_reprs);108int nfp_reprs_resync_phys_ports(struct nfp_app *app);109 110static inline struct net_device *nfp_repr_alloc(struct nfp_app *app)111{112 return nfp_repr_alloc_mqs(app, 1, 1);113}114#endif /* NFP_NET_REPR_H */115