1# bpftool(8) bash completion -*- shell-script -*- 2# 3# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) 4# Copyright (C) 2017-2018 Netronome Systems, Inc. 5# 6# Author: Quentin Monnet <quentin.monnet@netronome.com> 7 8# Takes a list of words in argument; each one of them is added to COMPREPLY if 9# it is not already present on the command line. Returns no value. 10_bpftool_once_attr() 11{ 12 local w idx found 13 for w in $*; do 14 found=0 15 for (( idx=3; idx < ${#words[@]}-1; idx++ )); do 16 if [[ $w == ${words[idx]} ]]; then 17 found=1 18 break 19 fi 20 done 21 [[ $found -eq 0 ]] && \ 22 COMPREPLY+=( $( compgen -W "$w" -- "$cur" ) ) 23 done 24} 25 26# Takes a list of words as argument; if any of those words is present on the 27# command line, return 0. Otherwise, return 1. 28_bpftool_search_list() 29{ 30 local w idx 31 for w in $*; do 32 for (( idx=3; idx < ${#words[@]}-1; idx++ )); do 33 [[ $w == ${words[idx]} ]] && return 0 34 done 35 done 36 return 1 37} 38 39# Takes a list of words in argument; adds them all to COMPREPLY if none of them 40# is already present on the command line. Returns no value. 41_bpftool_one_of_list() 42{ 43 _bpftool_search_list $* && return 1 44 COMPREPLY+=( $( compgen -W "$*" -- "$cur" ) ) 45} 46 47_bpftool_get_map_ids() 48{ 49 COMPREPLY+=( $( compgen -W "$( bpftool -jp map 2>&1 | \ 50 command sed -n 's/.*"id": \(.*\),$/\1/p' )" -- "$cur" ) ) 51} 52 53# Takes map type and adds matching map ids to the list of suggestions. 54_bpftool_get_map_ids_for_type() 55{ 56 local type="$1" 57 COMPREPLY+=( $( compgen -W "$( bpftool -jp map 2>&1 | \ 58 command grep -C2 "$type" | \ 59 command sed -n 's/.*"id": \(.*\),$/\1/p' )" -- "$cur" ) ) 60} 61 62_bpftool_get_map_names() 63{ 64 COMPREPLY+=( $( compgen -W "$( bpftool -jp map 2>&1 | \ 65 command sed -n 's/.*"name": \(.*\),$/\1/p' )" -- "$cur" ) ) 66} 67 68# Takes map type and adds matching map names to the list of suggestions. 69_bpftool_get_map_names_for_type() 70{ 71 local type="$1" 72 COMPREPLY+=( $( compgen -W "$( bpftool -jp map 2>&1 | \ 73 command grep -C2 "$type" | \ 74 command sed -n 's/.*"name": \(.*\),$/\1/p' )" -- "$cur" ) ) 75} 76 77_bpftool_get_prog_ids() 78{ 79 COMPREPLY+=( $( compgen -W "$( bpftool -jp prog 2>&1 | \ 80 command sed -n 's/.*"id": \(.*\),$/\1/p' )" -- "$cur" ) ) 81} 82 83_bpftool_get_prog_tags() 84{ 85 COMPREPLY+=( $( compgen -W "$( bpftool -jp prog 2>&1 | \ 86 command sed -n 's/.*"tag": "\(.*\)",$/\1/p' )" -- "$cur" ) ) 87} 88 89_bpftool_get_prog_names() 90{ 91 COMPREPLY+=( $( compgen -W "$( bpftool -jp prog 2>&1 | \ 92 command sed -n 's/.*"name": "\(.*\)",$/\1/p' )" -- "$cur" ) ) 93} 94 95_bpftool_get_btf_ids() 96{ 97 COMPREPLY+=( $( compgen -W "$( bpftool -jp btf 2>&1 | \ 98 command sed -n 's/.*"id": \(.*\),$/\1/p' )" -- "$cur" ) ) 99} 100 101_bpftool_get_link_ids() 102{ 103 COMPREPLY+=( $( compgen -W "$( bpftool -jp link 2>&1 | \ 104 command sed -n 's/.*"id": \(.*\),$/\1/p' )" -- "$cur" ) ) 105} 106 107_bpftool_get_obj_map_names() 108{ 109 local obj 110 111 obj=$1 112 113 maps=$(objdump -j maps -t $obj 2>/dev/null | \ 114 command awk '/g . maps/ {print $NF}') 115 116 COMPREPLY+=( $( compgen -W "$maps" -- "$cur" ) ) 117} 118 119_bpftool_get_obj_map_idxs() 120{ 121 local obj 122 123 obj=$1 124 125 nmaps=$(objdump -j maps -t $obj 2>/dev/null | grep -c 'g . maps') 126 127 COMPREPLY+=( $( compgen -W "$(seq 0 $((nmaps - 1)))" -- "$cur" ) ) 128} 129 130_sysfs_get_netdevs() 131{ 132 COMPREPLY+=( $( compgen -W "$( ls /sys/class/net 2>/dev/null )" -- \ 133 "$cur" ) ) 134} 135 136# Retrieve type of the map that we are operating on. 137_bpftool_map_guess_map_type() 138{ 139 local keyword ref 140 for (( idx=3; idx < ${#words[@]}-1; idx++ )); do 141 case "${words[$((idx-2))]}" in 142 lookup|update) 143 keyword=${words[$((idx-1))]} 144 ref=${words[$((idx))]} 145 ;; 146 push) 147 printf "stack" 148 return 0 149 ;; 150 enqueue) 151 printf "queue" 152 return 0 153 ;; 154 esac 155 done 156 [[ -z $ref ]] && return 0 157 158 local type 159 type=$(bpftool -jp map show $keyword $ref | \ 160 command sed -n 's/.*"type": "\(.*\)",$/\1/p') 161 [[ -n $type ]] && printf $type 162} 163 164_bpftool_map_update_get_id() 165{ 166 local command="$1" 167 168 # Is it the map to update, or a map to insert into the map to update? 169 # Search for "value" keyword. 170 local idx value 171 for (( idx=7; idx < ${#words[@]}-1; idx++ )); do 172 if [[ ${words[idx]} == "value" ]]; then 173 value=1 174 break 175 fi 176 done 177 if [[ $value -eq 0 ]]; then 178 case "$command" in 179 push) 180 _bpftool_get_map_ids_for_type stack 181 ;; 182 enqueue) 183 _bpftool_get_map_ids_for_type queue 184 ;; 185 *) 186 _bpftool_get_map_ids 187 ;; 188 esac 189 return 0 190 fi 191 192 # Id to complete is for a value. It can be either prog id or map id. This 193 # depends on the type of the map to update. 194 local type=$(_bpftool_map_guess_map_type) 195 case $type in 196 array_of_maps|hash_of_maps) 197 _bpftool_get_map_ids 198 return 0 199 ;; 200 prog_array) 201 _bpftool_get_prog_ids 202 return 0 203 ;; 204 *) 205 return 0 206 ;; 207 esac 208} 209 210_bpftool_map_update_get_name() 211{ 212 local command="$1" 213 214 # Is it the map to update, or a map to insert into the map to update? 215 # Search for "value" keyword. 216 local idx value 217 for (( idx=7; idx < ${#words[@]}-1; idx++ )); do 218 if [[ ${words[idx]} == "value" ]]; then 219 value=1 220 break 221 fi 222 done 223 if [[ $value -eq 0 ]]; then 224 case "$command" in 225 push) 226 _bpftool_get_map_names_for_type stack 227 ;; 228 enqueue) 229 _bpftool_get_map_names_for_type queue 230 ;; 231 *) 232 _bpftool_get_map_names 233 ;; 234 esac 235 return 0 236 fi 237 238 # Name to complete is for a value. It can be either prog name or map name. This 239 # depends on the type of the map to update. 240 local type=$(_bpftool_map_guess_map_type) 241 case $type in 242 array_of_maps|hash_of_maps) 243 _bpftool_get_map_names 244 return 0 245 ;; 246 prog_array) 247 _bpftool_get_prog_names 248 return 0 249 ;; 250 *) 251 return 0 252 ;; 253 esac 254} 255 256_bpftool() 257{ 258 local cur prev words objword 259 _init_completion || return 260 261 # Deal with options 262 if [[ ${words[cword]} == -* ]]; then 263 local c='--version --json --pretty --bpffs --mapcompat --debug \ 264 --use-loader --base-btf --legacy' 265 COMPREPLY=( $( compgen -W "$c" -- "$cur" ) ) 266 return 0 267 fi 268 269 # Deal with simplest keywords 270 case $prev in 271 help|hex|opcodes|visual|linum) 272 return 0 273 ;; 274 tag) 275 _bpftool_get_prog_tags 276 return 0 277 ;; 278 dev) 279 _sysfs_get_netdevs 280 return 0 281 ;; 282 file|pinned|-B|--base-btf) 283 _filedir 284 return 0 285 ;; 286 batch) 287 COMPREPLY=( $( compgen -W 'file' -- "$cur" ) ) 288 return 0 289 ;; 290 esac 291 292 # Remove all options so completions don't have to deal with them. 293 local i 294 for (( i=1; i < ${#words[@]}; )); do 295 if [[ ${words[i]::1} == - ]] && 296 [[ ${words[i]} != "-B" ]] && [[ ${words[i]} != "--base-btf" ]]; then 297 words=( "${words[@]:0:i}" "${words[@]:i+1}" ) 298 [[ $i -le $cword ]] && cword=$(( cword - 1 )) 299 else 300 i=$(( ++i )) 301 fi 302 done 303 cur=${words[cword]} 304 prev=${words[cword - 1]} 305 pprev=${words[cword - 2]} 306 307 local object=${words[1]} command=${words[2]} 308 309 if [[ -z $object || $cword -eq 1 ]]; then 310 case $cur in 311 *) 312 COMPREPLY=( $( compgen -W "$( bpftool help 2>&1 | \ 313 command sed \ 314 -e '/OBJECT := /!d' \ 315 -e 's/.*{//' \ 316 -e 's/}.*//' \ 317 -e 's/|//g' )" -- "$cur" ) ) 318 COMPREPLY+=( $( compgen -W 'batch help' -- "$cur" ) ) 319 return 0 320 ;; 321 esac 322 fi 323 324 [[ $command == help ]] && return 0 325 326 # Completion depends on object and command in use 327 case $object in 328 prog) 329 # Complete id and name, only for subcommands that use prog (but no 330 # map) ids/names. 331 case $command in 332 show|list|dump|pin) 333 case $prev in 334 id) 335 _bpftool_get_prog_ids 336 return 0 337 ;; 338 name) 339 _bpftool_get_prog_names 340 return 0 341 ;; 342 esac 343 ;; 344 esac 345 346 local PROG_TYPE='id pinned tag name' 347 local MAP_TYPE='id pinned name' 348 local METRIC_TYPE='cycles instructions l1d_loads llc_misses \ 349 itlb_misses dtlb_misses' 350 case $command in 351 show|list) 352 [[ $prev != "$command" ]] && return 0 353 COMPREPLY=( $( compgen -W "$PROG_TYPE" -- "$cur" ) ) 354 return 0 355 ;; 356 dump) 357 case $prev in 358 $command) 359 COMPREPLY+=( $( compgen -W "xlated jited" -- \ 360 "$cur" ) ) 361 return 0 362 ;; 363 xlated|jited) 364 COMPREPLY=( $( compgen -W "$PROG_TYPE" -- \ 365 "$cur" ) ) 366 return 0 367 ;; 368 *) 369 _bpftool_once_attr 'file' 370 if _bpftool_search_list 'xlated'; then 371 COMPREPLY+=( $( compgen -W 'opcodes visual linum' -- \ 372 "$cur" ) ) 373 else 374 COMPREPLY+=( $( compgen -W 'opcodes linum' -- \ 375 "$cur" ) ) 376 fi 377 return 0 378 ;; 379 esac 380 ;; 381 pin) 382 if [[ $prev == "$command" ]]; then 383 COMPREPLY=( $( compgen -W "$PROG_TYPE" -- "$cur" ) ) 384 else 385 _filedir 386 fi 387 return 0 388 ;; 389 attach|detach) 390 case $cword in 391 3) 392 COMPREPLY=( $( compgen -W "$PROG_TYPE" -- "$cur" ) ) 393 return 0 394 ;; 395 4) 396 case $prev in 397 id) 398 _bpftool_get_prog_ids 399 ;; 400 name) 401 _bpftool_get_prog_names 402 ;; 403 pinned) 404 _filedir 405 ;; 406 esac 407 return 0 408 ;; 409 5) 410 local BPFTOOL_PROG_ATTACH_TYPES='msg_verdict \ 411 skb_verdict stream_verdict stream_parser \ 412 flow_dissector' 413 COMPREPLY=( $( compgen -W "$BPFTOOL_PROG_ATTACH_TYPES" -- "$cur" ) ) 414 return 0 415 ;; 416 6) 417 COMPREPLY=( $( compgen -W "$MAP_TYPE" -- "$cur" ) ) 418 return 0 419 ;; 420 7) 421 case $prev in 422 id) 423 _bpftool_get_map_ids 424 ;; 425 name) 426 _bpftool_get_map_names 427 ;; 428 pinned) 429 _filedir 430 ;; 431 esac 432 return 0 433 ;; 434 esac 435 ;; 436 load|loadall) 437 local obj 438 439 # Propose "load/loadall" to complete "bpftool prog load", 440 # or bash tries to complete "load" as a filename below. 441 if [[ ${#words[@]} -eq 3 ]]; then 442 COMPREPLY=( $( compgen -W "load loadall" -- "$cur" ) ) 443 return 0 444 fi 445 446 if [[ ${#words[@]} -lt 6 ]]; then 447 _filedir 448 return 0 449 fi 450 451 obj=${words[3]} 452 453 if [[ ${words[-4]} == "map" ]]; then 454 COMPREPLY=( $( compgen -W "id pinned" -- "$cur" ) ) 455 return 0 456 fi 457 if [[ ${words[-3]} == "map" ]]; then 458 if [[ ${words[-2]} == "idx" ]]; then 459 _bpftool_get_obj_map_idxs $obj 460 elif [[ ${words[-2]} == "name" ]]; then 461 _bpftool_get_obj_map_names $obj 462 fi 463 return 0 464 fi 465 if [[ ${words[-2]} == "map" ]]; then 466 COMPREPLY=( $( compgen -W "idx name" -- "$cur" ) ) 467 return 0 468 fi 469 470 case $prev in 471 type) 472 local BPFTOOL_PROG_LOAD_TYPES='socket kprobe \ 473 kretprobe classifier flow_dissector \ 474 action tracepoint raw_tracepoint \ 475 xdp perf_event cgroup/skb cgroup/sock \ 476 cgroup/dev lwt_in lwt_out lwt_xmit \ 477 lwt_seg6local sockops sk_skb sk_msg \ 478 lirc_mode2 cgroup/bind4 cgroup/bind6 \ 479 cgroup/connect4 cgroup/connect6 \ 480 cgroup/getpeername4 cgroup/getpeername6 \ 481 cgroup/getsockname4 cgroup/getsockname6 \ 482 cgroup/sendmsg4 cgroup/sendmsg6 \ 483 cgroup/recvmsg4 cgroup/recvmsg6 \ 484 cgroup/post_bind4 cgroup/post_bind6 \ 485 cgroup/sysctl cgroup/getsockopt \ 486 cgroup/setsockopt cgroup/sock_release struct_ops \ 487 fentry fexit freplace sk_lookup' 488 COMPREPLY=( $( compgen -W "$BPFTOOL_PROG_LOAD_TYPES" -- "$cur" ) ) 489 return 0 490 ;; 491 id) 492 _bpftool_get_map_ids 493 return 0 494 ;; 495 name) 496 _bpftool_get_map_names 497 return 0 498 ;; 499 pinned|pinmaps) 500 _filedir 501 return 0 502 ;; 503 *) 504 COMPREPLY=( $( compgen -W "map" -- "$cur" ) ) 505 _bpftool_once_attr 'type' 506 _bpftool_once_attr 'dev' 507 _bpftool_once_attr 'pinmaps' 508 return 0 509 ;; 510 esac 511 ;; 512 tracelog) 513 return 0 514 ;; 515 profile) 516 case $cword in 517 3) 518 COMPREPLY=( $( compgen -W "$PROG_TYPE" -- "$cur" ) ) 519 return 0 520 ;; 521 4) 522 case $prev in 523 id) 524 _bpftool_get_prog_ids 525 ;; 526 name) 527 _bpftool_get_prog_names 528 ;; 529 pinned) 530 _filedir 531 ;; 532 esac 533 return 0 534 ;; 535 5) 536 COMPREPLY=( $( compgen -W "$METRIC_TYPE duration" -- "$cur" ) ) 537 return 0 538 ;; 539 6) 540 case $prev in 541 duration) 542 return 0 543 ;; 544 *) 545 COMPREPLY=( $( compgen -W "$METRIC_TYPE" -- "$cur" ) ) 546 return 0 547 ;; 548 esac 549 return 0 550 ;; 551 *) 552 COMPREPLY=( $( compgen -W "$METRIC_TYPE" -- "$cur" ) ) 553 return 0 554 ;; 555 esac 556 ;; 557 run) 558 if [[ ${#words[@]} -eq 4 ]]; then 559 COMPREPLY=( $( compgen -W "$PROG_TYPE" -- "$cur" ) ) 560 return 0 561 fi 562 case $prev in 563 id) 564 _bpftool_get_prog_ids 565 return 0 566 ;; 567 name) 568 _bpftool_get_prog_names 569 return 0 570 ;; 571 data_in|data_out|ctx_in|ctx_out) 572 _filedir 573 return 0 574 ;; 575 repeat|data_size_out|ctx_size_out) 576 return 0 577 ;; 578 *) 579 _bpftool_once_attr 'data_in data_out data_size_out \ 580 ctx_in ctx_out ctx_size_out repeat' 581 return 0 582 ;; 583 esac 584 ;; 585 *) 586 [[ $prev == $object ]] && \ 587 COMPREPLY=( $( compgen -W 'dump help pin attach detach \ 588 load loadall show list tracelog run profile' -- "$cur" ) ) 589 ;; 590 esac 591 ;; 592 struct_ops) 593 local STRUCT_OPS_TYPE='id name' 594 case $command in 595 show|list|dump|unregister) 596 case $prev in 597 $command) 598 COMPREPLY=( $( compgen -W "$STRUCT_OPS_TYPE" -- "$cur" ) ) 599 ;; 600 id) 601 _bpftool_get_map_ids_for_type struct_ops 602 ;; 603 name) 604 _bpftool_get_map_names_for_type struct_ops 605 ;; 606 esac 607 return 0 608 ;; 609 register) 610 _filedir 611 return 0 612 ;; 613 *) 614 [[ $prev == $object ]] && \ 615 COMPREPLY=( $( compgen -W 'register unregister show list dump help' \ 616 -- "$cur" ) ) 617 ;; 618 esac 619 ;; 620 iter) 621 case $command in 622 pin) 623 case $prev in 624 $command) 625 _filedir 626 ;; 627 id) 628 _bpftool_get_map_ids 629 ;; 630 name) 631 _bpftool_get_map_names 632 ;; 633 pinned) 634 _filedir 635 ;; 636 *) 637 _bpftool_one_of_list $MAP_TYPE 638 ;; 639 esac 640 return 0 641 ;; 642 *) 643 [[ $prev == $object ]] && \ 644 COMPREPLY=( $( compgen -W 'pin help' \ 645 -- "$cur" ) ) 646 ;; 647 esac 648 ;; 649 map) 650 local MAP_TYPE='id pinned name' 651 case $command in 652 show|list|dump|peek|pop|dequeue|freeze) 653 case $prev in 654 $command) 655 COMPREPLY=( $( compgen -W "$MAP_TYPE" -- "$cur" ) ) 656 return 0 657 ;; 658 id) 659 case "$command" in 660 peek) 661 _bpftool_get_map_ids_for_type stack 662 _bpftool_get_map_ids_for_type queue 663 ;; 664 pop) 665 _bpftool_get_map_ids_for_type stack 666 ;; 667 dequeue) 668 _bpftool_get_map_ids_for_type queue 669 ;; 670 *) 671 _bpftool_get_map_ids 672 ;; 673 esac 674 return 0 675 ;; 676 name) 677 case "$command" in 678 peek) 679 _bpftool_get_map_names_for_type stack 680 _bpftool_get_map_names_for_type queue 681 ;; 682 pop) 683 _bpftool_get_map_names_for_type stack 684 ;; 685 dequeue) 686 _bpftool_get_map_names_for_type queue 687 ;; 688 *) 689 _bpftool_get_map_names 690 ;; 691 esac 692 return 0 693 ;; 694 *) 695 return 0 696 ;; 697 esac 698 ;; 699 create) 700 case $prev in 701 $command) 702 _filedir 703 return 0 704 ;; 705 type) 706 local BPFTOOL_MAP_CREATE_TYPES='hash array \ 707 prog_array perf_event_array percpu_hash \ 708 percpu_array stack_trace cgroup_array lru_hash \ 709 lru_percpu_hash lpm_trie array_of_maps \ 710 hash_of_maps devmap devmap_hash sockmap cpumap \ 711 xskmap sockhash cgroup_storage reuseport_sockarray \ 712 percpu_cgroup_storage queue stack sk_storage \ 713 struct_ops ringbuf inode_storage task_storage \ 714 bloom_filter' 715 COMPREPLY=( $( compgen -W "$BPFTOOL_MAP_CREATE_TYPES" -- "$cur" ) ) 716 return 0 717 ;; 718 key|value|flags|entries) 719 return 0 720 ;; 721 inner_map) 722 COMPREPLY=( $( compgen -W "$MAP_TYPE" -- "$cur" ) ) 723 return 0 724 ;; 725 id) 726 _bpftool_get_map_ids 727 ;; 728 name) 729 case $pprev in 730 inner_map) 731 _bpftool_get_map_names 732 ;; 733 *) 734 return 0 735 ;; 736 esac 737 ;; 738 *) 739 _bpftool_once_attr 'type' 740 _bpftool_once_attr 'key' 741 _bpftool_once_attr 'value' 742 _bpftool_once_attr 'entries' 743 _bpftool_once_attr 'name' 744 _bpftool_once_attr 'flags' 745 if _bpftool_search_list 'array_of_maps' 'hash_of_maps'; then 746 _bpftool_once_attr 'inner_map' 747 fi 748 _bpftool_once_attr 'dev' 749 return 0 750 ;; 751 esac 752 ;; 753 lookup|getnext|delete) 754 case $prev in 755 $command) 756 COMPREPLY=( $( compgen -W "$MAP_TYPE" -- "$cur" ) ) 757 return 0 758 ;; 759 id) 760 _bpftool_get_map_ids 761 return 0 762 ;; 763 name) 764 _bpftool_get_map_names 765 return 0 766 ;; 767 key) 768 COMPREPLY+=( $( compgen -W 'hex' -- "$cur" ) ) 769 ;; 770 *) 771 case $(_bpftool_map_guess_map_type) in 772 queue|stack) 773 return 0 774 ;; 775 esac 776 777 _bpftool_once_attr 'key' 778 return 0 779 ;; 780 esac 781 ;; 782 update|push|enqueue) 783 case $prev in 784 $command) 785 COMPREPLY=( $( compgen -W "$MAP_TYPE" -- "$cur" ) ) 786 return 0 787 ;; 788 id) 789 _bpftool_map_update_get_id $command 790 return 0 791 ;; 792 name) 793 _bpftool_map_update_get_name $command 794 return 0 795 ;; 796 key) 797 COMPREPLY+=( $( compgen -W 'hex' -- "$cur" ) ) 798 ;; 799 value) 800 # We can have bytes, or references to a prog or a 801 # map, depending on the type of the map to update. 802 case "$(_bpftool_map_guess_map_type)" in 803 array_of_maps|hash_of_maps) 804 local MAP_TYPE='id pinned name' 805 COMPREPLY+=( $( compgen -W "$MAP_TYPE" \ 806 -- "$cur" ) ) 807 return 0 808 ;; 809 prog_array) 810 local PROG_TYPE='id pinned tag name' 811 COMPREPLY+=( $( compgen -W "$PROG_TYPE" \ 812 -- "$cur" ) ) 813 return 0 814 ;; 815 *) 816 COMPREPLY+=( $( compgen -W 'hex' \ 817 -- "$cur" ) ) 818 return 0 819 ;; 820 esac 821 return 0 822 ;; 823 *) 824 case $(_bpftool_map_guess_map_type) in 825 queue|stack) 826 _bpftool_once_attr 'value' 827 return 0; 828 ;; 829 esac 830 831 _bpftool_once_attr 'key' 832 local UPDATE_FLAGS='any exist noexist' 833 for (( idx=3; idx < ${#words[@]}-1; idx++ )); do 834 if [[ ${words[idx]} == 'value' ]]; then 835 # 'value' is present, but is not the last 836 # word i.e. we can now have UPDATE_FLAGS. 837 _bpftool_one_of_list "$UPDATE_FLAGS" 838 return 0 839 fi 840 done 841 for (( idx=3; idx < ${#words[@]}-1; idx++ )); do 842 if [[ ${words[idx]} == 'key' ]]; then 843 # 'key' is present, but is not the last 844 # word i.e. we can now have 'value'. 845 _bpftool_once_attr 'value' 846 return 0 847 fi 848 done 849 850 return 0 851 ;; 852 esac 853 ;; 854 pin) 855 case $prev in 856 $command) 857 COMPREPLY=( $( compgen -W "$MAP_TYPE" -- "$cur" ) ) 858 ;; 859 id) 860 _bpftool_get_map_ids 861 ;; 862 name) 863 _bpftool_get_map_names 864 ;; 865 esac 866 return 0 867 ;; 868 event_pipe) 869 case $prev in 870 $command) 871 COMPREPLY=( $( compgen -W "$MAP_TYPE" -- "$cur" ) ) 872 return 0 873 ;; 874 id) 875 _bpftool_get_map_ids_for_type perf_event_array 876 return 0 877 ;; 878 name) 879 _bpftool_get_map_names_for_type perf_event_array 880 return 0 881 ;; 882 cpu) 883 return 0 884 ;; 885 index) 886 return 0 887 ;; 888 *) 889 _bpftool_once_attr 'cpu' 890 _bpftool_once_attr 'index' 891 return 0 892 ;; 893 esac 894 ;; 895 *) 896 [[ $prev == $object ]] && \ 897 COMPREPLY=( $( compgen -W 'delete dump getnext help \ 898 lookup pin event_pipe show list update create \ 899 peek push enqueue pop dequeue freeze' -- \ 900 "$cur" ) ) 901 ;; 902 esac 903 ;; 904 btf) 905 local PROG_TYPE='id pinned tag name' 906 local MAP_TYPE='id pinned name' 907 case $command in 908 dump) 909 case $prev in 910 $command) 911 COMPREPLY+=( $( compgen -W "id map prog file" -- \ 912 "$cur" ) ) 913 return 0 914 ;; 915 prog) 916 COMPREPLY=( $( compgen -W "$PROG_TYPE" -- "$cur" ) ) 917 return 0 918 ;; 919 map) 920 COMPREPLY=( $( compgen -W "$MAP_TYPE" -- "$cur" ) ) 921 return 0 922 ;; 923 id) 924 case $pprev in 925 prog) 926 _bpftool_get_prog_ids 927 ;; 928 map) 929 _bpftool_get_map_ids 930 ;; 931 $command) 932 _bpftool_get_btf_ids 933 ;; 934 esac 935 return 0 936 ;; 937 name) 938 case $pprev in 939 prog) 940 _bpftool_get_prog_names 941 ;; 942 map) 943 _bpftool_get_map_names 944 ;; 945 esac 946 return 0 947 ;; 948 format) 949 COMPREPLY=( $( compgen -W "c raw" -- "$cur" ) ) 950 ;; 951 *) 952 # emit extra options 953 case ${words[3]} in 954 id|file) 955 _bpftool_once_attr 'format' 956 ;; 957 map|prog) 958 if [[ ${words[3]} == "map" ]] && [[ $cword == 6 ]]; then 959 COMPREPLY+=( $( compgen -W "key value kv all" -- "$cur" ) ) 960 fi 961 _bpftool_once_attr 'format' 962 ;; 963 *) 964 ;; 965 esac 966 return 0 967 ;; 968 esac 969 ;; 970 show|list) 971 case $prev in 972 $command) 973 COMPREPLY+=( $( compgen -W "id" -- "$cur" ) ) 974 ;; 975 id) 976 _bpftool_get_btf_ids 977 ;; 978 esac 979 return 0 980 ;; 981 *) 982 [[ $prev == $object ]] && \ 983 COMPREPLY=( $( compgen -W 'dump help show list' \ 984 -- "$cur" ) ) 985 ;; 986 esac 987 ;; 988 gen) 989 case $command in 990 object) 991 _filedir 992 return 0 993 ;; 994 skeleton) 995 case $prev in 996 $command) 997 _filedir 998 return 0 999 ;; 1000 *) 1001 _bpftool_once_attr 'name' 1002 return 0 1003 ;; 1004 esac 1005 ;; 1006 subskeleton) 1007 case $prev in 1008 $command) 1009 _filedir 1010 return 0 1011 ;; 1012 *) 1013 _bpftool_once_attr 'name' 1014 return 0 1015 ;; 1016 esac 1017 ;; 1018 min_core_btf) 1019 _filedir 1020 return 0 1021 ;; 1022 *) 1023 [[ $prev == $object ]] && \ 1024 COMPREPLY=( $( compgen -W 'object skeleton subskeleton help min_core_btf' -- "$cur" ) ) 1025 ;; 1026 esac 1027 ;; 1028 cgroup) 1029 case $command in 1030 show|list|tree) 1031 case $cword in 1032 3) 1033 _filedir 1034 ;; 1035 4) 1036 COMPREPLY=( $( compgen -W 'effective' -- "$cur" ) ) 1037 ;; 1038 esac 1039 return 0 1040 ;; 1041 attach|detach) 1042 local BPFTOOL_CGROUP_ATTACH_TYPES='ingress egress \ 1043 sock_create sock_ops device \ 1044 bind4 bind6 post_bind4 post_bind6 connect4 connect6 \ 1045 getpeername4 getpeername6 getsockname4 getsockname6 \ 1046 sendmsg4 sendmsg6 recvmsg4 recvmsg6 sysctl getsockopt \ 1047 setsockopt sock_release' 1048 local ATTACH_FLAGS='multi override' 1049 local PROG_TYPE='id pinned tag name' 1050 # Check for $prev = $command first 1051 if [ $prev = $command ]; then 1052 _filedir 1053 return 0 1054 # Then check for attach type. This is done outside of the 1055 # "case $prev in" to avoid writing the whole list of attach 1056 # types again as pattern to match (where we cannot reuse 1057 # our variable). 1058 elif [[ $BPFTOOL_CGROUP_ATTACH_TYPES =~ $prev ]]; then 1059 COMPREPLY=( $( compgen -W "$PROG_TYPE" -- \ 1060 "$cur" ) ) 1061 return 0 1062 fi 1063 # case/esac for the other cases 1064 case $prev in 1065 id) 1066 _bpftool_get_prog_ids 1067 return 0 1068 ;; 1069 *) 1070 if ! _bpftool_search_list "$BPFTOOL_CGROUP_ATTACH_TYPES"; then 1071 COMPREPLY=( $( compgen -W \ 1072 "$BPFTOOL_CGROUP_ATTACH_TYPES" -- "$cur" ) ) 1073 elif [[ "$command" == "attach" ]]; then 1074 # We have an attach type on the command line, 1075 # but it is not the previous word, or 1076 # "id|pinned|tag|name" (we already checked for 1077 # that). This should only leave the case when 1078 # we need attach flags for "attach" commamnd. 1079 _bpftool_one_of_list "$ATTACH_FLAGS" 1080 fi 1081 return 0 1082 ;; 1083 esac 1084 ;; 1085 *) 1086 [[ $prev == $object ]] && \ 1087 COMPREPLY=( $( compgen -W 'help attach detach \ 1088 show list tree' -- "$cur" ) ) 1089 ;; 1090 esac 1091 ;; 1092 perf) 1093 case $command in 1094 *) 1095 [[ $prev == $object ]] && \ 1096 COMPREPLY=( $( compgen -W 'help \ 1097 show list' -- "$cur" ) ) 1098 ;; 1099 esac 1100 ;; 1101 net) 1102 local PROG_TYPE='id pinned tag name' 1103 local ATTACH_TYPES='xdp xdpgeneric xdpdrv xdpoffload' 1104 case $command in 1105 show|list) 1106 [[ $prev != "$command" ]] && return 0 1107 COMPREPLY=( $( compgen -W 'dev' -- "$cur" ) ) 1108 return 0 1109 ;; 1110 attach) 1111 case $cword in 1112 3) 1113 COMPREPLY=( $( compgen -W "$ATTACH_TYPES" -- "$cur" ) ) 1114 return 0 1115 ;; 1116 4) 1117 COMPREPLY=( $( compgen -W "$PROG_TYPE" -- "$cur" ) ) 1118 return 0 1119 ;; 1120 5) 1121 case $prev in 1122 id) 1123 _bpftool_get_prog_ids 1124 ;; 1125 name) 1126 _bpftool_get_prog_names 1127 ;; 1128 pinned) 1129 _filedir 1130 ;; 1131 esac 1132 return 0 1133 ;; 1134 6) 1135 COMPREPLY=( $( compgen -W 'dev' -- "$cur" ) ) 1136 return 0 1137 ;; 1138 8) 1139 _bpftool_once_attr 'overwrite' 1140 return 0 1141 ;; 1142 esac 1143 ;; 1144 detach) 1145 case $cword in 1146 3) 1147 COMPREPLY=( $( compgen -W "$ATTACH_TYPES" -- "$cur" ) ) 1148 return 0 1149 ;; 1150 4) 1151 COMPREPLY=( $( compgen -W 'dev' -- "$cur" ) ) 1152 return 0 1153 ;; 1154 esac 1155 ;; 1156 *) 1157 [[ $prev == $object ]] && \ 1158 COMPREPLY=( $( compgen -W 'help \ 1159 show list attach detach' -- "$cur" ) ) 1160 ;; 1161 esac 1162 ;; 1163 feature) 1164 case $command in 1165 probe) 1166 [[ $prev == "prefix" ]] && return 0 1167 if _bpftool_search_list 'macros'; then 1168 _bpftool_once_attr 'prefix' 1169 else 1170 COMPREPLY+=( $( compgen -W 'macros' -- "$cur" ) ) 1171 fi 1172 _bpftool_one_of_list 'kernel dev' 1173 _bpftool_once_attr 'full unprivileged' 1174 return 0 1175 ;; 1176 *) 1177 [[ $prev == $object ]] && \ 1178 COMPREPLY=( $( compgen -W 'help probe' -- "$cur" ) ) 1179 ;; 1180 esac 1181 ;; 1182 link) 1183 case $command in 1184 show|list|pin|detach) 1185 case $prev in 1186 id) 1187 _bpftool_get_link_ids 1188 return 0 1189 ;; 1190 esac 1191 ;; 1192 esac 1193 1194 local LINK_TYPE='id pinned' 1195 case $command in 1196 show|list) 1197 [[ $prev != "$command" ]] && return 0 1198 COMPREPLY=( $( compgen -W "$LINK_TYPE" -- "$cur" ) ) 1199 return 0 1200 ;; 1201 pin|detach) 1202 if [[ $prev == "$command" ]]; then 1203 COMPREPLY=( $( compgen -W "$LINK_TYPE" -- "$cur" ) ) 1204 else 1205 _filedir 1206 fi 1207 return 0 1208 ;; 1209 *) 1210 [[ $prev == $object ]] && \ 1211 COMPREPLY=( $( compgen -W 'help pin show list' -- "$cur" ) ) 1212 ;; 1213 esac 1214 ;; 1215 esac 1216} && 1217complete -F _bpftool bpftool 1218 1219# ex: ts=4 sw=4 et filetype=sh 1220