On Thu, Aug 1, 2019 at 1:33 AM Daniel T. Lee <danieltim...@gmail.com> wrote: > > Currently, bpftool net only supports dumping progs attached on the > interface. To attach XDP prog on interface, user must use other tool > (eg. iproute2). By this patch, with `bpftool net attach/detach`, user > can attach/detach XDP prog on interface. > > $ ./bpftool prog > ... > 208: xdp name xdp_prog1 tag ad822e38b629553f gpl > loaded_at 2019-07-28T18:03:11+0900 uid 0 > ... > $ ./bpftool net attach id 208 xdpdrv enp6s0np1 > $ ./bpftool net > xdp: > enp6s0np1(5) driver id 208 > ... > $ ./bpftool net detach xdpdrv enp6s0np1 > $ ./bpftool net > xdp: > ... > > While this patch only contains support for XDP, through `net > attach/detach`, bpftool can further support other prog attach types.
new bpftool net subcommands are added. I guess doc and bash completion needs update as well. > > XDP attach/detach tested on Mellanox ConnectX-4 and Netronome Agilio. > > --- > Changes in v2: > - command 'load/unload' changed to 'attach/detach' for the consistency > > Daniel T. Lee (2): > tools: bpftool: add net attach command to attach XDP on interface > tools: bpftool: add net detach command to detach XDP on interface > > tools/bpf/bpftool/net.c | 160 +++++++++++++++++++++++++++++++++++++++- > 1 file changed, 159 insertions(+), 1 deletion(-) > > -- > 2.20.1 >
