linux/drivers/net/ethernet/netronome/nfp/bpf/cmsg.c

// SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
/* Copyright (C) 2017-2018 Netronome Systems, Inc. */

#include <linux/bpf.h>
#include <linux/bitops.h>
#include <linux/bug.h>
#include <linux/jiffies.h>
#include <linux/skbuff.h>
#include <linux/timekeeping.h>

#include "../ccm.h"
#include "../nfp_app.h"
#include "../nfp_net.h"
#include "fw.h"
#include "main.h"

static struct sk_buff *
nfp_bpf_cmsg_alloc(struct nfp_app_bpf *bpf, unsigned int size)
{ … }

static unsigned int
nfp_bpf_cmsg_map_req_size(struct nfp_app_bpf *bpf, unsigned int n)
{ … }

static struct sk_buff *
nfp_bpf_cmsg_map_req_alloc(struct nfp_app_bpf *bpf, unsigned int n)
{ … }

static unsigned int
nfp_bpf_cmsg_map_reply_size(struct nfp_app_bpf *bpf, unsigned int n)
{ … }

static int
nfp_bpf_ctrl_rc_to_errno(struct nfp_app_bpf *bpf,
			 struct cmsg_reply_map_simple *reply)
{ … }

long long int
nfp_bpf_ctrl_alloc_map(struct nfp_app_bpf *bpf, struct bpf_map *map)
{ … }

void nfp_bpf_ctrl_free_map(struct nfp_app_bpf *bpf, struct nfp_bpf_map *nfp_map)
{ … }

static void *
nfp_bpf_ctrl_req_key(struct nfp_app_bpf *bpf, struct cmsg_req_map_op *req,
		     unsigned int n)
{ … }

static void *
nfp_bpf_ctrl_req_val(struct nfp_app_bpf *bpf, struct cmsg_req_map_op *req,
		     unsigned int n)
{ … }

static void *
nfp_bpf_ctrl_reply_key(struct nfp_app_bpf *bpf, struct cmsg_reply_map_op *reply,
		       unsigned int n)
{ … }

static void *
nfp_bpf_ctrl_reply_val(struct nfp_app_bpf *bpf, struct cmsg_reply_map_op *reply,
		       unsigned int n)
{ … }

static bool nfp_bpf_ctrl_op_cache_invalidate(enum nfp_ccm_type op)
{ … }

static bool nfp_bpf_ctrl_op_cache_capable(enum nfp_ccm_type op)
{ … }

static bool nfp_bpf_ctrl_op_cache_fill(enum nfp_ccm_type op)
{ … }

static unsigned int
nfp_bpf_ctrl_op_cache_get(struct nfp_bpf_map *nfp_map, enum nfp_ccm_type op,
			  const u8 *key, u8 *out_key, u8 *out_value,
			  u32 *cache_gen)
{ … }

static void
nfp_bpf_ctrl_op_cache_put(struct nfp_bpf_map *nfp_map, enum nfp_ccm_type op,
			  struct sk_buff *skb, u32 cache_gen)
{ … }

static int
nfp_bpf_ctrl_entry_op(struct bpf_offloaded_map *offmap, enum nfp_ccm_type op,
		      u8 *key, u8 *value, u64 flags, u8 *out_key, u8 *out_value)
{ … }

int nfp_bpf_ctrl_update_entry(struct bpf_offloaded_map *offmap,
			      void *key, void *value, u64 flags)
{ … }

int nfp_bpf_ctrl_del_entry(struct bpf_offloaded_map *offmap, void *key)
{ … }

int nfp_bpf_ctrl_lookup_entry(struct bpf_offloaded_map *offmap,
			      void *key, void *value)
{ … }

int nfp_bpf_ctrl_getfirst_entry(struct bpf_offloaded_map *offmap,
				void *next_key)
{ … }

int nfp_bpf_ctrl_getnext_entry(struct bpf_offloaded_map *offmap,
			       void *key, void *next_key)
{ … }

unsigned int nfp_bpf_ctrl_cmsg_min_mtu(struct nfp_app_bpf *bpf)
{ … }

unsigned int nfp_bpf_ctrl_cmsg_mtu(struct nfp_app_bpf *bpf)
{ … }

unsigned int nfp_bpf_ctrl_cmsg_cache_cnt(struct nfp_app_bpf *bpf)
{ … }

void nfp_bpf_ctrl_msg_rx(struct nfp_app *app, struct sk_buff *skb)
{ … }

void
nfp_bpf_ctrl_msg_rx_raw(struct nfp_app *app, const void *data, unsigned int len)
{ … }