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bpf: bpftool, add support for attaching programs to maps

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Sock map/hash introduce support for attaching programs to maps. To
date I have been doing this with custom tooling but this is less than
ideal as we shift to using bpftool as the single CLI for our BPF uses.
This patch adds new sub commands 'attach' and 'detach' to the 'prog'
command to attach programs to maps and then detach them.

Signed-off-by: John Fastabend <john.fastabend@gmail.com>
Reviewed-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
This commit is contained in:
John Fastabend
2018-10-15 11:19:50 -07:00
committed by Alexei Starovoitov
parent 7d1f12b8b2
commit b7d3826c2e
4 changed files with 128 additions and 3 deletions
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19
tools/bpf/bpftool/bash-completion/bpftool
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@ -292,6 +292,23 @@ _bpftool()
fi
return 0
;;
attach|detach)
if [[ ${#words[@]} == 7 ]]; then
COMPREPLY=( $( compgen -W "id pinned" -- "$cur" ) )
return 0
fi
if [[ ${#words[@]} == 6 ]]; then
COMPREPLY=( $( compgen -W "msg_verdict skb_verdict skb_parse" -- "$cur" ) )
return 0
fi
if [[ $prev == "$command" ]]; then
COMPREPLY=( $( compgen -W "id pinned" -- "$cur" ) )
return 0
fi
return 0
;;
load)
local obj
@ -347,7 +364,7 @@ _bpftool()
;;
*)
[[ $prev == $object ]] && \
COMPREPLY=( $( compgen -W 'dump help pin load \
COMPREPLY=( $( compgen -W 'dump help pin attach detach load \
show list' -- "$cur" ) )
;;
esac