243 lines
10 KiB
C
243 lines
10 KiB
C
/*
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* Copyright (c) 2015-2023 Apple Inc. All rights reserved.
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*
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* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
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*
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* This file contains Original Code and/or Modifications of Original Code
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* as defined in and that are subject to the Apple Public Source License
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* Version 2.0 (the 'License'). You may not use this file except in
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* compliance with the License. The rights granted to you under the License
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* may not be used to create, or enable the creation or redistribution of,
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* unlawful or unlicensed copies of an Apple operating system, or to
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* circumvent, violate, or enable the circumvention or violation of, any
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* terms of an Apple operating system software license agreement.
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*
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* Please obtain a copy of the License at
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* http://www.opensource.apple.com/apsl/ and read it before using this file.
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*
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* The Original Code and all software distributed under the License are
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* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
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* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
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* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
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* Please see the License for the specific language governing rights and
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* limitations under the License.
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*
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* @APPLE_OSREFERENCE_LICENSE_HEADER_END@
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*/
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#ifndef _SKYWALK_NEXUS_FLOWSWITCH_FSWVAR_H_
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#define _SKYWALK_NEXUS_FLOWSWITCH_FSWVAR_H_
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#include <skywalk/os_skywalk_private.h>
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#include <skywalk/nexus/flowswitch/nx_flowswitch.h>
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#include <skywalk/nexus/flowswitch/flow/flow_var.h>
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#include <net/if_var.h>
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#include <net/network_agent.h>
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#include <net/necp.h>
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#include <net/pktap.h>
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#define FSW_VP_DEV 0 /* device port */
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#define FSW_VP_HOST 1 /* host port (MS) */
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#define FSW_VP_USER_MIN 2 /* start of user vp port num */
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#define FSW_VP_USER_MAX NX_FSW_VP_MAX /* end of user vp port num */
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/* max flush batch size for device port */
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#if !XNU_TARGET_OS_OSX
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#define FSW_VP_DEV_BATCH_MAX 16
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#else /* XNU_TARGET_OS_OSX */
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#define FSW_VP_DEV_BATCH_MAX 32
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#endif /* XNU_TARGET_OS_OSX */
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#define FSW_REAP_THREADNAME "skywalk_fsw_reap_%s%s"
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struct fsw_ip_frag_mgr; /* forward declaration */
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extern uint32_t fsw_ip_reass;
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struct pktq;
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#define FSW_DETACHF_DETACHING 0x10000000 /* detach in progress */
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#define FSW_DETACHF_DETACHED 0x20000000 /* detached */
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#define FSW_REAPF_RUNNING 0x00000001 /* thread is running */
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#define FSW_REAPF_TERMINATEBLOCK 0x20000000 /* blocked waiting terminate */
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#define FSW_REAPF_TERMINATING 0x40000000 /* thread is terminating */
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#define FSW_REAPF_TERMINATED 0x80000000 /* thread is terminated */
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extern kern_allocation_name_t skmem_tag_fsw_ports;
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extern kern_allocation_name_t skmem_tag_fsw_ft;
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extern kern_allocation_name_t skmem_tag_fsw_fb_hash;
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extern kern_allocation_name_t skmem_tag_fsw_fob_hash;
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extern kern_allocation_name_t skmem_tag_fsw_frb_hash;
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extern kern_allocation_name_t skmem_tag_fsw_frib_hash;
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extern kern_allocation_name_t skmem_tag_fsw_frag_mgr;
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__BEGIN_DECLS
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// generic
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extern void fsw_init(void);
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extern void fsw_uninit(void);
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extern struct nx_flowswitch * fsw_alloc(zalloc_flags_t);
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extern void fsw_free(struct nx_flowswitch *fsw);
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extern int fsw_grow(struct nx_flowswitch *fsw, uint32_t grow);
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extern int fsw_port_find(struct nx_flowswitch *fsw, nexus_port_t first,
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nexus_port_t last, nexus_port_t *nx_port);
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extern int fsw_port_bind(struct nx_flowswitch *fsw, nexus_port_t nx_port,
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struct nxbind *nxb0);
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extern int fsw_port_unbind(struct nx_flowswitch *fsw, nexus_port_t nx_port);
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extern int fsw_port_na_defunct(struct nx_flowswitch *fsw,
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struct nexus_vp_adapter *vpna);
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extern size_t fsw_mib_get(struct nx_flowswitch *fsw,
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struct nexus_mib_filter *filter, void *out, size_t len, struct proc *p);
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extern int fsw_attach_vp(struct kern_nexus *nx, struct kern_channel *ch,
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struct chreq *chr, struct nxbind *nxb, struct proc *p,
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struct nexus_vp_adapter **vpna);
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extern int fsw_ctl(struct kern_nexus *nx, nxcfg_cmd_t nc_cmd, struct proc *p,
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void *data);
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extern int fsw_ctl_detach(struct kern_nexus *nx, struct proc *p,
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struct nx_spec_req *nsr);
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extern boolean_t fsw_should_drop_packet(boolean_t is_input, sa_family_t af,
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uint8_t proto, const char *ifname);
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extern int fsw_port_alloc(struct nx_flowswitch *fsw, struct nxbind *nxb,
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struct nexus_vp_adapter **vpna, nexus_port_t nx_port, struct proc *p,
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boolean_t ifattach, boolean_t host);
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extern void fsw_port_free(struct nx_flowswitch *fsw,
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struct nexus_vp_adapter *vpna, nexus_port_t nx_port, boolean_t defunct);
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extern int fsw_port_grow(struct nx_flowswitch *fsw, uint32_t num_ports);
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extern int fsw_port_na_activate(struct nx_flowswitch *fsw,
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struct nexus_vp_adapter *vpna, na_activate_mode_t mode);
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extern boolean_t fsw_detach_barrier_add(struct nx_flowswitch *fsw);
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extern void fsw_detach_barrier_remove(struct nx_flowswitch *fsw);
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// vp related
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extern int fsw_vp_na_activate(struct nexus_adapter *na,
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na_activate_mode_t mode);
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extern int fsw_vp_na_krings_create(struct nexus_adapter *na,
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struct kern_channel *ch);
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extern void fsw_vp_na_krings_delete(struct nexus_adapter *na,
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struct kern_channel *ch, boolean_t defunct);
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extern int fsw_vp_na_txsync(struct __kern_channel_ring *kring,
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struct proc *p, uint32_t flags);
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extern int fsw_vp_na_rxsync(struct __kern_channel_ring *kring,
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struct proc *p, uint32_t flags);
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extern int fsw_vp_na_create(struct kern_nexus *nx, struct chreq *chr,
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struct proc *p, struct nexus_vp_adapter **ret);
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extern void fsw_vp_channel_error_stats_fold(struct fsw_stats *fs,
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struct __nx_stats_channel_errors *es);
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extern errno_t fsw_vp_na_channel_event(struct nx_flowswitch *fsw,
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uint32_t nx_port_id, struct __kern_channel_event *event,
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uint16_t event_len);
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// classq related
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extern void fsw_classq_setup(struct nx_flowswitch *fsw,
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struct nexus_adapter *hostna);
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extern void fsw_classq_teardown(struct nx_flowswitch *fsw,
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struct nexus_adapter *hostna);
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extern struct mbuf * fsw_classq_kpkt_to_mbuf(struct nx_flowswitch *fsw,
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struct __kern_packet *pkt);
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// routing related
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extern int fsw_generic_resolve(struct nx_flowswitch *fsw, struct flow_route *fr,
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struct __kern_packet *pkt);
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// data plane related
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extern int fsw_dp_init(void);
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extern void fsw_dp_uninit(void);
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extern int fsw_dp_ctor(struct nx_flowswitch *fsw);
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extern void fsw_dp_dtor(struct nx_flowswitch *fsw);
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extern void fsw_ring_flush(struct nx_flowswitch *fsw,
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struct __kern_channel_ring *skring, struct proc *p);
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extern void fsw_ring_enqueue_tail_drop(struct nx_flowswitch *fsw,
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struct __kern_channel_ring *ring, struct pktq *pktq);
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extern boolean_t fsw_detach_barrier_add(struct nx_flowswitch *fsw);
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extern void fsw_detach_barrier_remove(struct nx_flowswitch *fsw);
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extern void fsw_linger_insert(struct flow_entry *fsw);
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extern void fsw_linger_purge(struct nx_flowswitch *fsw);
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extern void fsw_reap_sched(struct nx_flowswitch *fsw);
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extern int fsw_dev_input_netem_dequeue(void *handle, pktsched_pkt_t *pkts,
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uint32_t n_pkts);
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extern void fsw_snoop(struct nx_flowswitch *fsw, struct flow_entry *fe,
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bool input);
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extern void fsw_receive(struct nx_flowswitch *fsw, struct pktq *pktq);
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extern void dp_flow_tx_process(struct nx_flowswitch *fsw,
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struct flow_entry *fe, uint32_t flags);
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extern void dp_flow_rx_process(struct nx_flowswitch *fsw,
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struct flow_entry *fe, uint32_t flags);
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#if (DEVELOPMENT || DEBUG)
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extern int fsw_rps_set_nthreads(struct nx_flowswitch* fsw, uint32_t n);
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#endif /* !DEVELOPMENT && !DEBUG */
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extern uint32_t fsw_tx_batch;
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extern uint32_t fsw_rx_batch;
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extern uint32_t fsw_chain_enqueue;
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extern uint32_t fsw_use_dual_sized_pool;
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// flow related
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extern struct flow_owner * fsw_flow_add(struct nx_flowswitch *fsw,
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struct nx_flow_req *req0, int *error);
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extern int fsw_flow_del(struct nx_flowswitch *fsw, struct nx_flow_req *req,
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bool nolinger, void *params);
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extern int fsw_flow_config(struct nx_flowswitch *fsw, struct nx_flow_req *req);
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extern void fsw_flow_abort_tcp(struct nx_flowswitch *fsw, struct flow_entry *fe,
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struct __kern_packet *pkt);
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extern void fsw_flow_abort_quic(struct flow_entry *fe, uint8_t *token);
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extern struct __kern_channel_ring * fsw_flow_get_rx_ring(struct nx_flowswitch *fsw,
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struct flow_entry *fe);
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extern bool dp_flow_rx_route_process(struct nx_flowswitch *fsw,
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struct flow_entry *fe);
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// stats related
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extern void fsw_fold_stats(struct nx_flowswitch *fsw, void *data,
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nexus_stats_type_t type);
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// netagent related
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extern int fsw_netagent_add_remove(struct kern_nexus *nx, boolean_t add);
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extern void fsw_netagent_update(struct kern_nexus *nx);
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extern int fsw_netagent_register(struct nx_flowswitch *fsw, struct ifnet *ifp);
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extern void fsw_netagent_unregister(struct nx_flowswitch *fsw,
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struct ifnet *ifp);
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// interface related
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extern int fsw_ip_setup(struct nx_flowswitch *fsw, struct ifnet *ifp);
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extern int fsw_cellular_setup(struct nx_flowswitch *fsw, struct ifnet *ifp);
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extern int fsw_ethernet_setup(struct nx_flowswitch *fsw, struct ifnet *ifp);
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extern void fsw_classq_setup(struct nx_flowswitch *fsw,
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struct nexus_adapter *hostna);
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extern void fsw_classq_teardown(struct nx_flowswitch *fsw,
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struct nexus_adapter *hostna);
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extern void fsw_qos_mark(struct nx_flowswitch *fsw, struct flow_entry *fe,
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struct __kern_packet *pkt);
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extern boolean_t fsw_qos_default_restricted(void);
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extern struct mbuf * fsw_classq_kpkt_to_mbuf(struct nx_flowswitch *fsw,
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struct __kern_packet *pkt);
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extern sa_family_t fsw_ip_demux(struct nx_flowswitch *, struct __kern_packet *);
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// fragment reassembly related
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extern struct fsw_ip_frag_mgr * fsw_ip_frag_mgr_create(
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struct nx_flowswitch *fsw, struct ifnet *ifp, size_t f_limit);
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extern void fsw_ip_frag_mgr_destroy(struct fsw_ip_frag_mgr *mgr);
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extern int fsw_ip_frag_reass_v4(struct fsw_ip_frag_mgr *mgr,
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struct __kern_packet **pkt, struct ip *ip4, uint16_t *nfrags,
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uint16_t *tlen);
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extern int fsw_ip_frag_reass_v6(struct fsw_ip_frag_mgr *mgr,
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struct __kern_packet **pkt, struct ip6_hdr *ip6, struct ip6_frag *ip6f,
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uint16_t *nfrags, uint16_t *tlen);
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__END_DECLS
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__attribute__((always_inline))
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static inline void
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fsw_snoop_and_dequeue(struct flow_entry *fe, struct pktq *target, bool input)
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{
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if (pktap_total_tap_count != 0) {
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fsw_snoop(fe->fe_fsw, fe, input);
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}
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KPKTQ_CONCAT(target, input ? &fe->fe_rx_pktq : &fe->fe_tx_pktq);
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}
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#define FSW_STATS_VAL(x) STATS_VAL(&fsw->fsw_stats, x)
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#define FSW_STATS_INC(x) STATS_INC(&fsw->fsw_stats, x)
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#define FSW_STATS_ADD(x, n) STATS_ADD(&fsw->fsw_stats, x, n)
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#endif /* _SKYWALK_NEXUS_FLOWSWITCH_FSWVAR_H_ */
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