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Date: Wed, 18 Dec 2019 10:20:12 -0800 From: Alexei Starovoitov <alexei.starovoitov@...il.com> To: Prashant Bhole <prashantbhole.linux@...il.com> Cc: "David S . Miller" <davem@...emloft.net>, "Michael S . Tsirkin" <mst@...hat.com>, Alexei Starovoitov <ast@...nel.org>, Daniel Borkmann <daniel@...earbox.net>, Jesper Dangaard Brouer <hawk@...nel.org>, Jason Wang <jasowang@...hat.com>, David Ahern <dsahern@...il.com>, Jakub Kicinski <jakub.kicinski@...ronome.com>, John Fastabend <john.fastabend@...il.com>, Toshiaki Makita <toshiaki.makita1@...il.com>, Martin KaFai Lau <kafai@...com>, Song Liu <songliubraving@...com>, Yonghong Song <yhs@...com>, Andrii Nakryiko <andriin@...com>, netdev@...r.kernel.org, David Ahern <dahern@...italocean.com> Subject: Re: [RFC net-next 03/14] libbpf: API for tx path XDP support On Wed, Dec 18, 2019 at 05:10:39PM +0900, Prashant Bhole wrote: > Adds new APIs for tx path XDP: > - bpf_set_link_xdp_tx_fd > - bpf_get_link_xdp_tx_id > - bpf_get_link_xdp_tx_info > > Co-developed-by: David Ahern <dahern@...italocean.com> > Signed-off-by: David Ahern <dahern@...italocean.com> > Signed-off-by: Prashant Bhole <prashantbhole.linux@...il.com> > --- > tools/lib/bpf/libbpf.h | 4 +++ > tools/lib/bpf/libbpf.map | 3 ++ > tools/lib/bpf/netlink.c | 77 +++++++++++++++++++++++++++++++++++----- > 3 files changed, 75 insertions(+), 9 deletions(-) > > diff --git a/tools/lib/bpf/libbpf.h b/tools/lib/bpf/libbpf.h > index 0dbf4bfba0c4..741e5fee61f6 100644 > --- a/tools/lib/bpf/libbpf.h > +++ b/tools/lib/bpf/libbpf.h > @@ -447,6 +447,10 @@ LIBBPF_API int bpf_set_link_xdp_fd(int ifindex, int fd, __u32 flags); > LIBBPF_API int bpf_get_link_xdp_id(int ifindex, __u32 *prog_id, __u32 flags); > LIBBPF_API int bpf_get_link_xdp_info(int ifindex, struct xdp_link_info *info, > size_t info_size, __u32 flags); > +LIBBPF_API int bpf_set_link_xdp_tx_fd(int ifindex, int fd, __u32 flags); > +LIBBPF_API int bpf_get_link_xdp_tx_id(int ifindex, __u32 *prog_id, __u32 flags); > +LIBBPF_API int bpf_get_link_xdp_tx_info(int ifindex, struct xdp_link_info *info, > + size_t info_size, __u32 flags); please use _opts() style of api extensions.
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