mirror of https://github.com/Qortal/Brooklyn
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
440 lines
12 KiB
440 lines
12 KiB
/* 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 1 |
|
|
|
#include <net/devlink.h> |
|
|
|
#include <trace/events/devlink.h> |
|
|
|
#include "nfp_net_repr.h" |
|
|
|
#define NFP_APP_CTRL_MTU_MAX U32_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 { |
|
NFP_APP_CORE_NIC = 0x1, |
|
NFP_APP_BPF_NIC = 0x2, |
|
NFP_APP_FLOWER_NIC = 0x3, |
|
NFP_APP_ACTIVE_BUFFER_MGMT_NIC = 0x4, |
|
}; |
|
|
|
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 (under pf->lock) |
|
* @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 { |
|
enum nfp_app_id id; |
|
const char *name; |
|
|
|
u32 ctrl_cap_mask; |
|
bool ctrl_has_meta; |
|
|
|
int (*init)(struct nfp_app *app); |
|
void (*clean)(struct nfp_app *app); |
|
|
|
const char *(*extra_cap)(struct nfp_app *app, struct nfp_net *nn); |
|
|
|
int (*ndo_init)(struct nfp_app *app, struct net_device *netdev); |
|
void (*ndo_uninit)(struct nfp_app *app, struct net_device *netdev); |
|
|
|
int (*vnic_alloc)(struct nfp_app *app, struct nfp_net *nn, |
|
unsigned int id); |
|
void (*vnic_free)(struct nfp_app *app, struct nfp_net *nn); |
|
int (*vnic_init)(struct nfp_app *app, struct nfp_net *nn); |
|
void (*vnic_clean)(struct nfp_app *app, struct nfp_net *nn); |
|
|
|
int (*repr_init)(struct nfp_app *app, struct net_device *netdev); |
|
void (*repr_preclean)(struct nfp_app *app, struct net_device *netdev); |
|
void (*repr_clean)(struct nfp_app *app, struct net_device *netdev); |
|
|
|
int (*repr_open)(struct nfp_app *app, struct nfp_repr *repr); |
|
int (*repr_stop)(struct nfp_app *app, struct nfp_repr *repr); |
|
|
|
int (*check_mtu)(struct nfp_app *app, struct net_device *netdev, |
|
int new_mtu); |
|
int (*repr_change_mtu)(struct nfp_app *app, struct net_device *netdev, |
|
int new_mtu); |
|
|
|
u64 *(*port_get_stats)(struct nfp_app *app, |
|
struct nfp_port *port, u64 *data); |
|
int (*port_get_stats_count)(struct nfp_app *app, struct nfp_port *port); |
|
u8 *(*port_get_stats_strings)(struct nfp_app *app, |
|
struct nfp_port *port, u8 *data); |
|
|
|
int (*start)(struct nfp_app *app); |
|
void (*stop)(struct nfp_app *app); |
|
|
|
int (*netdev_event)(struct nfp_app *app, struct net_device *netdev, |
|
unsigned long event, void *ptr); |
|
|
|
void (*ctrl_msg_rx)(struct nfp_app *app, struct sk_buff *skb); |
|
void (*ctrl_msg_rx_raw)(struct nfp_app *app, const void *data, |
|
unsigned int len); |
|
|
|
int (*setup_tc)(struct nfp_app *app, struct net_device *netdev, |
|
enum tc_setup_type type, void *type_data); |
|
int (*bpf)(struct nfp_app *app, struct nfp_net *nn, |
|
struct netdev_bpf *xdp); |
|
int (*xdp_offload)(struct nfp_app *app, struct nfp_net *nn, |
|
struct bpf_prog *prog, |
|
struct netlink_ext_ack *extack); |
|
|
|
int (*sriov_enable)(struct nfp_app *app, int num_vfs); |
|
void (*sriov_disable)(struct nfp_app *app); |
|
|
|
enum devlink_eswitch_mode (*eswitch_mode_get)(struct nfp_app *app); |
|
int (*eswitch_mode_set)(struct nfp_app *app, u16 mode); |
|
struct net_device *(*dev_get)(struct nfp_app *app, u32 id, |
|
bool *redir_egress); |
|
}; |
|
|
|
/** |
|
* 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 { |
|
struct pci_dev *pdev; |
|
struct nfp_pf *pf; |
|
struct nfp_cpp *cpp; |
|
|
|
struct nfp_net *ctrl; |
|
struct nfp_reprs __rcu *reprs[NFP_REPR_TYPE_MAX + 1]; |
|
|
|
const struct nfp_app_type *type; |
|
unsigned int ctrl_mtu; |
|
|
|
struct notifier_block netdev_nb; |
|
|
|
void *priv; |
|
}; |
|
|
|
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) |
|
{ |
|
if (!app->type->init) |
|
return 0; |
|
return app->type->init(app); |
|
} |
|
|
|
static inline void nfp_app_clean(struct nfp_app *app) |
|
{ |
|
if (app->type->clean) |
|
app->type->clean(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) |
|
{ |
|
return app->type->vnic_alloc(app, nn, id); |
|
} |
|
|
|
static inline void nfp_app_vnic_free(struct nfp_app *app, struct nfp_net *nn) |
|
{ |
|
if (app->type->vnic_free) |
|
app->type->vnic_free(app, nn); |
|
} |
|
|
|
static inline int nfp_app_vnic_init(struct nfp_app *app, struct nfp_net *nn) |
|
{ |
|
if (!app->type->vnic_init) |
|
return 0; |
|
return app->type->vnic_init(app, nn); |
|
} |
|
|
|
static inline void nfp_app_vnic_clean(struct nfp_app *app, struct nfp_net *nn) |
|
{ |
|
if (app->type->vnic_clean) |
|
app->type->vnic_clean(app, nn); |
|
} |
|
|
|
static inline int nfp_app_repr_open(struct nfp_app *app, struct nfp_repr *repr) |
|
{ |
|
if (!app->type->repr_open) |
|
return -EINVAL; |
|
return app->type->repr_open(app, repr); |
|
} |
|
|
|
static inline int nfp_app_repr_stop(struct nfp_app *app, struct nfp_repr *repr) |
|
{ |
|
if (!app->type->repr_stop) |
|
return -EINVAL; |
|
return app->type->repr_stop(app, repr); |
|
} |
|
|
|
static inline int |
|
nfp_app_repr_init(struct nfp_app *app, struct net_device *netdev) |
|
{ |
|
if (!app->type->repr_init) |
|
return 0; |
|
return app->type->repr_init(app, netdev); |
|
} |
|
|
|
static inline void |
|
nfp_app_repr_preclean(struct nfp_app *app, struct net_device *netdev) |
|
{ |
|
if (app->type->repr_preclean) |
|
app->type->repr_preclean(app, netdev); |
|
} |
|
|
|
static inline void |
|
nfp_app_repr_clean(struct nfp_app *app, struct net_device *netdev) |
|
{ |
|
if (app->type->repr_clean) |
|
app->type->repr_clean(app, netdev); |
|
} |
|
|
|
static inline int |
|
nfp_app_check_mtu(struct nfp_app *app, struct net_device *netdev, int new_mtu) |
|
{ |
|
if (!app || !app->type->check_mtu) |
|
return 0; |
|
return app->type->check_mtu(app, netdev, new_mtu); |
|
} |
|
|
|
static inline int |
|
nfp_app_repr_change_mtu(struct nfp_app *app, struct net_device *netdev, |
|
int new_mtu) |
|
{ |
|
if (!app || !app->type->repr_change_mtu) |
|
return 0; |
|
return app->type->repr_change_mtu(app, netdev, new_mtu); |
|
} |
|
|
|
static inline const char *nfp_app_name(struct nfp_app *app) |
|
{ |
|
if (!app) |
|
return ""; |
|
return app->type->name; |
|
} |
|
|
|
static inline bool nfp_app_needs_ctrl_vnic(struct nfp_app *app) |
|
{ |
|
return app && app->type->ctrl_msg_rx; |
|
} |
|
|
|
static inline bool nfp_app_ctrl_has_meta(struct nfp_app *app) |
|
{ |
|
return app->type->ctrl_has_meta; |
|
} |
|
|
|
static inline bool nfp_app_ctrl_uses_data_vnics(struct nfp_app *app) |
|
{ |
|
return app && app->type->ctrl_msg_rx_raw; |
|
} |
|
|
|
static inline const char *nfp_app_extra_cap(struct nfp_app *app, |
|
struct nfp_net *nn) |
|
{ |
|
if (!app || !app->type->extra_cap) |
|
return ""; |
|
return app->type->extra_cap(app, nn); |
|
} |
|
|
|
static inline bool nfp_app_has_tc(struct nfp_app *app) |
|
{ |
|
return app && app->type->setup_tc; |
|
} |
|
|
|
static inline int nfp_app_setup_tc(struct nfp_app *app, |
|
struct net_device *netdev, |
|
enum tc_setup_type type, void *type_data) |
|
{ |
|
if (!app || !app->type->setup_tc) |
|
return -EOPNOTSUPP; |
|
return app->type->setup_tc(app, netdev, type, type_data); |
|
} |
|
|
|
static inline int nfp_app_bpf(struct nfp_app *app, struct nfp_net *nn, |
|
struct netdev_bpf *bpf) |
|
{ |
|
if (!app || !app->type->bpf) |
|
return -EINVAL; |
|
return app->type->bpf(app, nn, 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) |
|
{ |
|
if (!app || !app->type->xdp_offload) |
|
return -EOPNOTSUPP; |
|
return app->type->xdp_offload(app, nn, prog, extack); |
|
} |
|
|
|
static inline bool __nfp_app_ctrl_tx(struct nfp_app *app, struct sk_buff *skb) |
|
{ |
|
trace_devlink_hwmsg(priv_to_devlink(app->pf), false, 0, |
|
skb->data, skb->len); |
|
|
|
return __nfp_ctrl_tx(app->ctrl, skb); |
|
} |
|
|
|
static inline bool nfp_app_ctrl_tx(struct nfp_app *app, struct sk_buff *skb) |
|
{ |
|
trace_devlink_hwmsg(priv_to_devlink(app->pf), false, 0, |
|
skb->data, skb->len); |
|
|
|
return nfp_ctrl_tx(app->ctrl, skb); |
|
} |
|
|
|
static inline void nfp_app_ctrl_rx(struct nfp_app *app, struct sk_buff *skb) |
|
{ |
|
trace_devlink_hwmsg(priv_to_devlink(app->pf), true, 0, |
|
skb->data, skb->len); |
|
|
|
app->type->ctrl_msg_rx(app, skb); |
|
} |
|
|
|
static inline void |
|
nfp_app_ctrl_rx_raw(struct nfp_app *app, const void *data, unsigned int len) |
|
{ |
|
if (!app || !app->type->ctrl_msg_rx_raw) |
|
return; |
|
|
|
trace_devlink_hwmsg(priv_to_devlink(app->pf), true, 0, data, len); |
|
app->type->ctrl_msg_rx_raw(app, data, len); |
|
} |
|
|
|
static inline int nfp_app_eswitch_mode_get(struct nfp_app *app, u16 *mode) |
|
{ |
|
if (!app->type->eswitch_mode_get) |
|
return -EOPNOTSUPP; |
|
|
|
*mode = app->type->eswitch_mode_get(app); |
|
|
|
return 0; |
|
} |
|
|
|
static inline int nfp_app_eswitch_mode_set(struct nfp_app *app, u16 mode) |
|
{ |
|
if (!app->type->eswitch_mode_set) |
|
return -EOPNOTSUPP; |
|
return app->type->eswitch_mode_set(app, mode); |
|
} |
|
|
|
static inline int nfp_app_sriov_enable(struct nfp_app *app, int num_vfs) |
|
{ |
|
if (!app || !app->type->sriov_enable) |
|
return -EOPNOTSUPP; |
|
return app->type->sriov_enable(app, num_vfs); |
|
} |
|
|
|
static inline void nfp_app_sriov_disable(struct nfp_app *app) |
|
{ |
|
if (app && app->type->sriov_disable) |
|
app->type->sriov_disable(app); |
|
} |
|
|
|
static inline |
|
struct net_device *nfp_app_dev_get(struct nfp_app *app, u32 id, |
|
bool *redir_egress) |
|
{ |
|
if (unlikely(!app || !app->type->dev_get)) |
|
return NULL; |
|
|
|
return app->type->dev_get(app, id, 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); |
|
|
|
struct devlink_port *nfp_devlink_get_devlink_port(struct net_device *netdev); |
|
|
|
#endif
|
|
|