/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */ /* Copyright (C) 2017-2018 Netronome Systems, Inc. */ #ifndef NFP_NET_REPR_H #define NFP_NET_REPR_H struct metadata_dst; struct nfp_app; struct nfp_net; struct nfp_port; #include <net/dst_metadata.h> /** * struct nfp_reprs - container for representor netdevs * @num_reprs: Number of elements in reprs array * @reprs: Array of representor netdevs */ struct nfp_reprs { unsigned int num_reprs; struct net_device __rcu *reprs[0]; }; /** * struct nfp_repr_pcpu_stats * @rx_packets: Received packets * @rx_bytes: Received bytes * @tx_packets: Transmitted packets * @tx_bytes: Transmitted dropped * @tx_drops: Packets dropped on transmit * @syncp: Reference count */ struct nfp_repr_pcpu_stats { u64 rx_packets; u64 rx_bytes; u64 tx_packets; u64 tx_bytes; u64 tx_drops; struct u64_stats_sync syncp; }; /** * struct nfp_repr - priv data for representor netdevs * @netdev: Back pointer to netdev * @dst: Destination for packet TX * @port: Port of representor * @app: APP handle * @stats: Statistic of packets hitting CPU * @app_priv: Pointer for APP data */ struct nfp_repr { struct net_device *netdev; struct metadata_dst *dst; struct nfp_port *port; struct nfp_app *app; struct nfp_repr_pcpu_stats __percpu *stats; void *app_priv; }; /** * enum nfp_repr_type - type of representor * @NFP_REPR_TYPE_PHYS_PORT: external NIC port * @NFP_REPR_TYPE_PF: physical function * @NFP_REPR_TYPE_VF: virtual function * @__NFP_REPR_TYPE_MAX: number of representor types */ enum nfp_repr_type { NFP_REPR_TYPE_PHYS_PORT, NFP_REPR_TYPE_PF, NFP_REPR_TYPE_VF, __NFP_REPR_TYPE_MAX, }; #define NFP_REPR_TYPE_MAX (__NFP_REPR_TYPE_MAX - 1) extern const struct net_device_ops nfp_repr_netdev_ops; static inline bool nfp_netdev_is_nfp_repr(struct net_device *netdev) { return netdev->netdev_ops == &nfp_repr_netdev_ops; } static inline int nfp_repr_get_port_id(struct net_device *netdev) { struct nfp_repr *priv = netdev_priv(netdev); return priv->dst->u.port_info.port_id; } struct net_device * nfp_repr_get_locked(struct nfp_app *app, struct nfp_reprs *set, unsigned int id); void nfp_repr_inc_rx_stats(struct net_device *netdev, unsigned int len); void nfp_repr_transfer_features(struct net_device *netdev, struct net_device *lower); int nfp_repr_init(struct nfp_app *app, struct net_device *netdev, u32 cmsg_port_id, struct nfp_port *port, struct net_device *pf_netdev); void nfp_repr_free(struct net_device *netdev); struct net_device * nfp_repr_alloc_mqs(struct nfp_app *app, unsigned int txqs, unsigned int rxqs); void nfp_repr_clean_and_free(struct nfp_repr *repr); void nfp_reprs_clean_and_free(struct nfp_app *app, struct nfp_reprs *reprs); void nfp_reprs_clean_and_free_by_type(struct nfp_app *app, enum nfp_repr_type type); struct nfp_reprs *nfp_reprs_alloc(unsigned int num_reprs); int nfp_reprs_resync_phys_ports(struct nfp_app *app); static inline struct net_device *nfp_repr_alloc(struct nfp_app *app) { return nfp_repr_alloc_mqs(app, 1, 1); } #endif /* NFP_NET_REPR_H */