[...]
@Alexei and @Daniel,
there is a trivial conflict with bpf_loop helper (because the series was not
merged when I posted v19):
commit e6f2dd0f80674e9d5960337b3e9c2a242441b326
Author: Joanne Koong <joannekoong@xxxxxx>
Date: Mon Nov 29 19:06:19 2021 -0800
bpf: Add bpf_loop helper
Do you want me to post v20 after waiting for some more feedbacks on v19?
Regards,
Lorenzo
>
> [0] https://netdevconf.info/0x14/session.html?talk-the-path-to-tcp-4k-mtu-and-rx-zerocopy
> [1] https://github.com/xdp-project/xdp-project/blob/master/areas/core/xdp-multi-buffer01-design.org
> [2] https://netdevconf.info/0x14/session.html?tutorial-add-XDP-support-to-a-NIC-driver (XDPmulti-buffers section)
>
> Eelco Chaudron (3):
> bpf: add multi-buff support to the bpf_xdp_adjust_tail() API
> bpf: add multi-buffer support to xdp copy helpers
> bpf: selftests: update xdp_adjust_tail selftest to include
> multi-buffer
>
> Lorenzo Bianconi (19):
> net: skbuff: add size metadata to skb_shared_info for xdp
> xdp: introduce flags field in xdp_buff/xdp_frame
> net: mvneta: update mb bit before passing the xdp buffer to eBPF layer
> net: mvneta: simplify mvneta_swbm_add_rx_fragment management
> net: xdp: add xdp_update_skb_shared_info utility routine
> net: marvell: rely on xdp_update_skb_shared_info utility routine
> xdp: add multi-buff support to xdp_return_{buff/frame}
> net: mvneta: add multi buffer support to XDP_TX
> bpf: introduce BPF_F_XDP_MB flag in prog_flags loading the ebpf
> program
> net: mvneta: enable jumbo frames if the loaded XDP program support mb
> bpf: introduce bpf_xdp_get_buff_len helper
> bpf: move user_size out of bpf_test_init
> bpf: introduce multibuff support to bpf_prog_test_run_xdp()
> bpf: test_run: add xdp_shared_info pointer in bpf_test_finish
> signature
> libbpf: Add SEC name for xdp_mb programs
> net: xdp: introduce bpf_xdp_pointer utility routine
> bpf: selftests: introduce bpf_xdp_{load,store}_bytes selftest
> bpf: selftests: add CPUMAP/DEVMAP selftests for xdp multi-buff
> xdp: disable XDP_REDIRECT for xdp multi-buff
>
> Toke Hoiland-Jorgensen (1):
> bpf: generalise tail call map compatibility check
>
> drivers/net/ethernet/marvell/mvneta.c | 204 +++++++++------
> include/linux/bpf.h | 32 ++-
> include/linux/skbuff.h | 1 +
> include/net/xdp.h | 108 +++++++-
> include/uapi/linux/bpf.h | 30 +++
> kernel/bpf/arraymap.c | 4 +-
> kernel/bpf/core.c | 28 +-
> kernel/bpf/cpumap.c | 8 +-
> kernel/bpf/devmap.c | 3 +-
> kernel/bpf/syscall.c | 25 +-
> kernel/trace/bpf_trace.c | 3 +
> net/bpf/test_run.c | 115 ++++++--
> net/core/filter.c | 246 +++++++++++++++++-
> net/core/xdp.c | 78 +++++-
> tools/include/uapi/linux/bpf.h | 30 +++
> tools/lib/bpf/libbpf.c | 8 +
> .../bpf/prog_tests/xdp_adjust_frags.c | 96 +++++++
> .../bpf/prog_tests/xdp_adjust_tail.c | 118 +++++++++
> .../selftests/bpf/prog_tests/xdp_bpf2bpf.c | 151 ++++++++---
> .../bpf/prog_tests/xdp_cpumap_attach.c | 65 ++++-
> .../bpf/prog_tests/xdp_devmap_attach.c | 56 ++++
> .../bpf/progs/test_xdp_adjust_tail_grow.c | 10 +-
> .../bpf/progs/test_xdp_adjust_tail_shrink.c | 32 ++-
> .../selftests/bpf/progs/test_xdp_bpf2bpf.c | 2 +-
> .../bpf/progs/test_xdp_update_frags.c | 42 +++
> .../bpf/progs/test_xdp_with_cpumap_helpers.c | 6 +
> .../progs/test_xdp_with_cpumap_mb_helpers.c | 27 ++
> .../bpf/progs/test_xdp_with_devmap_helpers.c | 7 +
> .../progs/test_xdp_with_devmap_mb_helpers.c | 27 ++
> 29 files changed, 1350 insertions(+), 212 deletions(-)
> create mode 100644 tools/testing/selftests/bpf/prog_tests/xdp_adjust_frags.c
> create mode 100644 tools/testing/selftests/bpf/progs/test_xdp_update_frags.c
> create mode 100644 tools/testing/selftests/bpf/progs/test_xdp_with_cpumap_mb_helpers.c
> create mode 100644 tools/testing/selftests/bpf/progs/test_xdp_with_devmap_mb_helpers.c
>
> --
> 2.31.1
>
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