pktgen_bench_xmit_mode_queue_xmit.sh 2.4 KB

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  1. #!/bin/bash
  2. # SPDX-License-Identifier: GPL-2.0
  3. #
  4. # Benchmark script:
  5. # - developed for benchmarking egress qdisc path, derived (more
  6. # like cut'n'pasted) from ingress benchmark script.
  7. #
  8. # Script for injecting packets into egress qdisc path of the stack
  9. # with pktgen "xmit_mode queue_xmit".
  10. #
  11. basedir=`dirname $0`
  12. source ${basedir}/functions.sh
  13. root_check_run_with_sudo "$@"
  14. # Parameter parsing via include
  15. source ${basedir}/parameters.sh
  16. if [ -z "$DEST_IP" ]; then
  17. [ -z "$IP6" ] && DEST_IP="198.18.0.42" || DEST_IP="FD00::1"
  18. fi
  19. [ -z "$DST_MAC" ] && DST_MAC="90:e2:ba:ff:ff:ff"
  20. # Burst greater than 1 are invalid for queue_xmit mode
  21. if [[ -n "$BURST" ]]; then
  22. err 1 "Bursting not supported for this mode"
  23. fi
  24. [ -z "$COUNT" ] && COUNT="10000000" # Zero means indefinitely
  25. if [ -n "$DEST_IP" ]; then
  26. validate_addr${IP6} $DEST_IP
  27. read -r DST_MIN DST_MAX <<< $(parse_addr${IP6} $DEST_IP)
  28. fi
  29. if [ -n "$DST_PORT" ]; then
  30. read -r UDP_DST_MIN UDP_DST_MAX <<< $(parse_ports $DST_PORT)
  31. validate_ports $UDP_DST_MIN $UDP_DST_MAX
  32. fi
  33. # Base Config
  34. DELAY="0" # Zero means max speed
  35. # General cleanup everything since last run
  36. pg_ctrl "reset"
  37. # Threads are specified with parameter -t value in $THREADS
  38. for ((thread = $F_THREAD; thread <= $L_THREAD; thread++)); do
  39. # The device name is extended with @name, using thread number to
  40. # make then unique, but any name will do.
  41. dev=${DEV}@${thread}
  42. # Add remove all other devices and add_device $dev to thread
  43. pg_thread $thread "rem_device_all"
  44. pg_thread $thread "add_device" $dev
  45. # Base config of dev
  46. pg_set $dev "flag QUEUE_MAP_CPU"
  47. pg_set $dev "count $COUNT"
  48. pg_set $dev "pkt_size $PKT_SIZE"
  49. pg_set $dev "delay $DELAY"
  50. pg_set $dev "flag NO_TIMESTAMP"
  51. # Destination
  52. pg_set $dev "dst_mac $DST_MAC"
  53. pg_set $dev "dst${IP6}_min $DST_MIN"
  54. pg_set $dev "dst${IP6}_max $DST_MAX"
  55. if [ -n "$DST_PORT" ]; then
  56. # Single destination port or random port range
  57. pg_set $dev "flag UDPDST_RND"
  58. pg_set $dev "udp_dst_min $UDP_DST_MIN"
  59. pg_set $dev "udp_dst_max $UDP_DST_MAX"
  60. fi
  61. # Inject packet into TX qdisc egress path of stack
  62. pg_set $dev "xmit_mode queue_xmit"
  63. done
  64. # start_run
  65. echo "Running... ctrl^C to stop" >&2
  66. pg_ctrl "start"
  67. echo "Done" >&2
  68. # Print results
  69. for ((thread = $F_THREAD; thread <= $L_THREAD; thread++)); do
  70. dev=${DEV}@${thread}
  71. echo "Device: $dev"
  72. cat /proc/net/pktgen/$dev | grep -A2 "Result:"
  73. done