linux/drivers/net/ethernet/netronome/nfp/abm/qdisc.c

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

#include <linux/rtnetlink.h>
#include <net/pkt_cls.h>
#include <net/pkt_sched.h>
#include <net/red.h>

#include "../nfpcore/nfp_cpp.h"
#include "../nfp_app.h"
#include "../nfp_main.h"
#include "../nfp_net.h"
#include "../nfp_port.h"
#include "main.h"

static bool nfp_abm_qdisc_is_red(struct nfp_qdisc *qdisc)
{ … }

static bool nfp_abm_qdisc_child_valid(struct nfp_qdisc *qdisc, unsigned int id)
{ … }

static void *nfp_abm_qdisc_tree_deref_slot(void __rcu **slot)
{ … }

static void
nfp_abm_stats_propagate(struct nfp_alink_stats *parent,
			struct nfp_alink_stats *child)
{ … }

static void
nfp_abm_stats_update_red(struct nfp_abm_link *alink, struct nfp_qdisc *qdisc,
			 unsigned int queue)
{ … }

static void
nfp_abm_stats_update_mq(struct nfp_abm_link *alink, struct nfp_qdisc *qdisc)
{ … }

static void __nfp_abm_stats_update(struct nfp_abm_link *alink, u64 time_now)
{ … }

static void nfp_abm_stats_update(struct nfp_abm_link *alink)
{ … }

static void
nfp_abm_qdisc_unlink_children(struct nfp_qdisc *qdisc,
			      unsigned int start, unsigned int end)
{ … }

static void
nfp_abm_qdisc_offload_stop(struct nfp_abm_link *alink, struct nfp_qdisc *qdisc)
{ … }

static int
__nfp_abm_stats_init(struct nfp_abm_link *alink, unsigned int band,
		     unsigned int queue, struct nfp_alink_stats *prev_stats,
		     struct nfp_alink_xstats *prev_xstats)
{ … }

static int
nfp_abm_stats_init(struct nfp_abm_link *alink, struct nfp_qdisc *qdisc,
		   unsigned int queue)
{ … }

static void
nfp_abm_offload_compile_red(struct nfp_abm_link *alink, struct nfp_qdisc *qdisc,
			    unsigned int queue)
{ … }

static void
nfp_abm_offload_compile_mq(struct nfp_abm_link *alink, struct nfp_qdisc *qdisc)
{ … }

void nfp_abm_qdisc_offload_update(struct nfp_abm_link *alink)
{ … }

static void
nfp_abm_qdisc_clear_mq(struct net_device *netdev, struct nfp_abm_link *alink,
		       struct nfp_qdisc *qdisc)
{ … }

static void
nfp_abm_qdisc_free(struct net_device *netdev, struct nfp_abm_link *alink,
		   struct nfp_qdisc *qdisc)
{ … }

static struct nfp_qdisc *
nfp_abm_qdisc_alloc(struct net_device *netdev, struct nfp_abm_link *alink,
		    enum nfp_qdisc_type type, u32 parent_handle, u32 handle,
		    unsigned int children)
{ … }

static struct nfp_qdisc *
nfp_abm_qdisc_find(struct nfp_abm_link *alink, u32 handle)
{ … }

static int
nfp_abm_qdisc_replace(struct net_device *netdev, struct nfp_abm_link *alink,
		      enum nfp_qdisc_type type, u32 parent_handle, u32 handle,
		      unsigned int children, struct nfp_qdisc **qdisc)
{ … }

static void
nfp_abm_qdisc_destroy(struct net_device *netdev, struct nfp_abm_link *alink,
		      u32 handle)
{ … }

static int
nfp_abm_qdisc_graft(struct nfp_abm_link *alink, u32 handle, u32 child_handle,
		    unsigned int id)
{ … }

static void
nfp_abm_stats_calculate(struct nfp_alink_stats *new,
			struct nfp_alink_stats *old,
			struct gnet_stats_basic_sync *bstats,
			struct gnet_stats_queue *qstats)
{ … }

static void
nfp_abm_stats_red_calculate(struct nfp_alink_xstats *new,
			    struct nfp_alink_xstats *old,
			    struct red_stats *stats)
{ … }

static int
nfp_abm_gred_stats(struct nfp_abm_link *alink, u32 handle,
		   struct tc_gred_qopt_offload_stats *stats)
{ … }

static bool
nfp_abm_gred_check_params(struct nfp_abm_link *alink,
			  struct tc_gred_qopt_offload *opt)
{ … }

static int
nfp_abm_gred_replace(struct net_device *netdev, struct nfp_abm_link *alink,
		     struct tc_gred_qopt_offload *opt)
{ … }

int nfp_abm_setup_tc_gred(struct net_device *netdev, struct nfp_abm_link *alink,
			  struct tc_gred_qopt_offload *opt)
{ … }

static int
nfp_abm_red_xstats(struct nfp_abm_link *alink, struct tc_red_qopt_offload *opt)
{ … }

static int
nfp_abm_red_stats(struct nfp_abm_link *alink, u32 handle,
		  struct tc_qopt_offload_stats *stats)
{ … }

static bool
nfp_abm_red_check_params(struct nfp_abm_link *alink,
			 struct tc_red_qopt_offload *opt)
{ … }

static int
nfp_abm_red_replace(struct net_device *netdev, struct nfp_abm_link *alink,
		    struct tc_red_qopt_offload *opt)
{ … }

int nfp_abm_setup_tc_red(struct net_device *netdev, struct nfp_abm_link *alink,
			 struct tc_red_qopt_offload *opt)
{ … }

static int
nfp_abm_mq_create(struct net_device *netdev, struct nfp_abm_link *alink,
		  struct tc_mq_qopt_offload *opt)
{ … }

static int
nfp_abm_mq_stats(struct nfp_abm_link *alink, u32 handle,
		 struct tc_qopt_offload_stats *stats)
{ … }

int nfp_abm_setup_tc_mq(struct net_device *netdev, struct nfp_abm_link *alink,
			struct tc_mq_qopt_offload *opt)
{ … }

int nfp_abm_setup_root(struct net_device *netdev, struct nfp_abm_link *alink,
		       struct tc_root_qopt_offload *opt)
{ … }