/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */ /* Copyright (C) 2017-2018 Netronome Systems, Inc. */ #ifndef _NFP_APP_H #define _NFP_APP_H … #include <net/devlink.h> #include <trace/events/devlink.h> #include "nfp_net_repr.h" #define NFP_APP_CTRL_MTU_MAX … struct bpf_prog; struct net_device; struct netdev_bpf; struct netlink_ext_ack; struct pci_dev; struct sk_buff; struct nfp_app; struct nfp_cpp; struct nfp_pf; struct nfp_repr; struct nfp_net; enum nfp_app_id { … }; extern const struct nfp_app_type app_nic; extern const struct nfp_app_type app_bpf; extern const struct nfp_app_type app_flower; extern const struct nfp_app_type app_abm; /** * struct nfp_app_type - application definition * @id: application ID * @name: application name * @ctrl_cap_mask: ctrl vNIC capability mask, allows disabling features like * IRQMOD which are on by default but counter-productive for * control messages which are often latency-sensitive * @ctrl_has_meta: control messages have prepend of type:5/port:CTRL * * Callbacks * @init: perform basic app checks and init * @clean: clean app state * @extra_cap: extra capabilities string * @ndo_init: vNIC and repr netdev .ndo_init * @ndo_uninit: vNIC and repr netdev .ndo_unint * @vnic_alloc: allocate vNICs (assign port types, etc.) * @vnic_free: free up app's vNIC state * @vnic_init: vNIC netdev was registered * @vnic_clean: vNIC netdev about to be unregistered * @repr_init: representor about to be registered * @repr_preclean: representor about to unregistered, executed before app * reference to the it is removed * @repr_clean: representor about to be unregistered * @repr_open: representor netdev open callback * @repr_stop: representor netdev stop callback * @check_mtu: MTU change request on a netdev (verify it is valid) * @repr_change_mtu: MTU change request on repr (make and verify change) * @port_get_stats: get extra ethtool statistics for a port * @port_get_stats_count: get count of extra statistics for a port * @port_get_stats_strings: get strings for extra statistics * @start: start application logic * @stop: stop application logic * @netdev_event: Netdevice notifier event * @ctrl_msg_rx: control message handler * @ctrl_msg_rx_raw: handler for control messages from data queues * @setup_tc: setup TC ndo * @bpf: BPF ndo offload-related calls * @xdp_offload: offload an XDP program * @eswitch_mode_get: get SR-IOV eswitch mode * @eswitch_mode_set: set SR-IOV eswitch mode * @sriov_enable: app-specific sriov initialisation * @sriov_disable: app-specific sriov clean-up * @dev_get: get representor or internal port representing netdev */ struct nfp_app_type { … }; /** * struct nfp_app - NFP application container * @pdev: backpointer to PCI device * @pf: backpointer to NFP PF structure * @cpp: pointer to the CPP handle * @ctrl: pointer to ctrl vNIC struct * @reprs: array of pointers to representors * @type: pointer to const application ops and info * @ctrl_mtu: MTU to set on the control vNIC (set in .init()) * @netdev_nb: Netdevice notifier block * @priv: app-specific priv data */ struct nfp_app { … }; static inline void assert_nfp_app_locked(struct nfp_app *app) { … } static inline bool nfp_app_is_locked(struct nfp_app *app) { … } void nfp_check_rhashtable_empty(void *ptr, void *arg); bool __nfp_ctrl_tx(struct nfp_net *nn, struct sk_buff *skb); bool nfp_ctrl_tx(struct nfp_net *nn, struct sk_buff *skb); static inline int nfp_app_init(struct nfp_app *app) { … } static inline void nfp_app_clean(struct nfp_app *app) { … } int nfp_app_ndo_init(struct net_device *netdev); void nfp_app_ndo_uninit(struct net_device *netdev); static inline int nfp_app_vnic_alloc(struct nfp_app *app, struct nfp_net *nn, unsigned int id) { … } static inline void nfp_app_vnic_free(struct nfp_app *app, struct nfp_net *nn) { … } static inline int nfp_app_vnic_init(struct nfp_app *app, struct nfp_net *nn) { … } static inline void nfp_app_vnic_clean(struct nfp_app *app, struct nfp_net *nn) { … } static inline int nfp_app_repr_open(struct nfp_app *app, struct nfp_repr *repr) { … } static inline int nfp_app_repr_stop(struct nfp_app *app, struct nfp_repr *repr) { … } static inline int nfp_app_repr_init(struct nfp_app *app, struct net_device *netdev) { … } static inline void nfp_app_repr_preclean(struct nfp_app *app, struct net_device *netdev) { … } static inline void nfp_app_repr_clean(struct nfp_app *app, struct net_device *netdev) { … } static inline int nfp_app_check_mtu(struct nfp_app *app, struct net_device *netdev, int new_mtu) { … } static inline int nfp_app_repr_change_mtu(struct nfp_app *app, struct net_device *netdev, int new_mtu) { … } static inline const char *nfp_app_name(struct nfp_app *app) { … } static inline bool nfp_app_needs_ctrl_vnic(struct nfp_app *app) { … } static inline bool nfp_app_ctrl_has_meta(struct nfp_app *app) { … } static inline bool nfp_app_ctrl_uses_data_vnics(struct nfp_app *app) { … } static inline const char *nfp_app_extra_cap(struct nfp_app *app, struct nfp_net *nn) { … } static inline bool nfp_app_has_tc(struct nfp_app *app) { … } static inline int nfp_app_setup_tc(struct nfp_app *app, struct net_device *netdev, enum tc_setup_type type, void *type_data) { … } static inline int nfp_app_bpf(struct nfp_app *app, struct nfp_net *nn, struct netdev_bpf *bpf) { … } static inline int nfp_app_xdp_offload(struct nfp_app *app, struct nfp_net *nn, struct bpf_prog *prog, struct netlink_ext_ack *extack) { … } static inline bool __nfp_app_ctrl_tx(struct nfp_app *app, struct sk_buff *skb) { … } static inline bool nfp_app_ctrl_tx(struct nfp_app *app, struct sk_buff *skb) { … } static inline void nfp_app_ctrl_rx(struct nfp_app *app, struct sk_buff *skb) { … } static inline void nfp_app_ctrl_rx_raw(struct nfp_app *app, const void *data, unsigned int len) { … } static inline int nfp_app_eswitch_mode_get(struct nfp_app *app, u16 *mode) { … } static inline int nfp_app_eswitch_mode_set(struct nfp_app *app, u16 mode) { … } static inline int nfp_app_sriov_enable(struct nfp_app *app, int num_vfs) { … } static inline void nfp_app_sriov_disable(struct nfp_app *app) { … } static inline struct net_device *nfp_app_dev_get(struct nfp_app *app, u32 id, bool *redir_egress) { … } struct nfp_app *nfp_app_from_netdev(struct net_device *netdev); u64 *nfp_app_port_get_stats(struct nfp_port *port, u64 *data); int nfp_app_port_get_stats_count(struct nfp_port *port); u8 *nfp_app_port_get_stats_strings(struct nfp_port *port, u8 *data); struct nfp_reprs * nfp_reprs_get_locked(struct nfp_app *app, enum nfp_repr_type type); struct nfp_reprs * nfp_app_reprs_set(struct nfp_app *app, enum nfp_repr_type type, struct nfp_reprs *reprs); const char *nfp_app_mip_name(struct nfp_app *app); struct sk_buff * nfp_app_ctrl_msg_alloc(struct nfp_app *app, unsigned int size, gfp_t priority); struct nfp_app *nfp_app_alloc(struct nfp_pf *pf, enum nfp_app_id id); void nfp_app_free(struct nfp_app *app); int nfp_app_start(struct nfp_app *app, struct nfp_net *ctrl); void nfp_app_stop(struct nfp_app *app); /* Callbacks shared between apps */ int nfp_app_nic_vnic_alloc(struct nfp_app *app, struct nfp_net *nn, unsigned int id); int nfp_app_nic_vnic_init_phy_port(struct nfp_pf *pf, struct nfp_app *app, struct nfp_net *nn, unsigned int id); #endif
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