Hi David, hi Jakub, hi Paolo, hi Eric, The following pull-request contains BPF updates for your *net-next* tree. We've added 19 non-merge commits during the last 8 day(s) which contain a total of 35 files changed, 1126 insertions(+), 53 deletions(-). The main changes are: 1) Add TCP_RTO_MAX_MS support to bpf_set/getsockopt, from Jason Xing 2) Add network TX timestamping support to BPF sock_ops, from Jason Xing 3) Add TX metadata Launch Time support, from Song Yoong Siang Please consider pulling these changes from: git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git tags/for-netdev Thanks a lot! Also thanks to reporters, reviewers and testers of commits in this pull-request: Choong Yong Liang, Faizal Rahim, Jakub Kicinski, Kuniyuki Iwashima, Maciej Fijalkowski, Stanislav Fomichev, Willem de Bruijn ---------------------------------------------------------------- The following changes since commit 7a7e0197133d18cfd9931e7d3a842d0f5730223f: Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net (2025-02-13 12:43:30 -0800) are available in the Git repository at: https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git tags/for-netdev for you to fetch changes up to 494a04413cb194f869b4b3133b07dfbc607165aa: Merge branch 'xsk-tx-metadata-launch-time-support' (2025-02-20 15:13:46 -0800) ---------------------------------------------------------------- bpf-next-for-netdev ---------------------------------------------------------------- Jason Xing (14): bpf: Support TCP_RTO_MAX_MS for bpf_setsockopt selftests/bpf: Add rto max for bpf_setsockopt test bpf: Add networking timestamping support to bpf_get/setsockopt() bpf: Prepare the sock_ops ctx and call bpf prog for TX timestamping bpf: Prevent unsafe access to the sock fields in the BPF timestamping callback bpf: Disable unsafe helpers in TX timestamping callbacks net-timestamp: Prepare for isolating two modes of SO_TIMESTAMPING bpf: Add BPF_SOCK_OPS_TSTAMP_SCHED_CB callback bpf: Add BPF_SOCK_OPS_TSTAMP_SND_SW_CB callback bpf: Add BPF_SOCK_OPS_TSTAMP_SND_HW_CB callback bpf: Add BPF_SOCK_OPS_TSTAMP_ACK_CB callback bpf: Add BPF_SOCK_OPS_TSTAMP_SENDMSG_CB callback bpf: Support selective sampling for bpf timestamping selftests/bpf: Add simple bpf tests in the tx path for timestamping feature Martin KaFai Lau (3): Merge branch 'bpf-support-setting-max-rto-for-bpf_setsockopt' Merge branch 'net-timestamp-bpf-extension-to-equip-applications-transparently' Merge branch 'xsk-tx-metadata-launch-time-support' Song Yoong Siang (5): xsk: Add launch time hardware offload support to XDP Tx metadata selftests/bpf: Add launch time request to xdp_hw_metadata net: stmmac: Add launch time support to XDP ZC igc: Refactor empty frame insertion for launch time support igc: Add launch time support to XDP ZC Documentation/netlink/specs/netdev.yaml | 4 + Documentation/networking/xsk-tx-metadata.rst | 62 ++++++ drivers/net/ethernet/intel/igc/igc.h | 1 + drivers/net/ethernet/intel/igc/igc_main.c | 143 +++++++++--- drivers/net/ethernet/stmicro/stmmac/stmmac.h | 2 + drivers/net/ethernet/stmicro/stmmac/stmmac_main.c | 13 ++ include/linux/filter.h | 1 + include/linux/skbuff.h | 12 +- include/net/sock.h | 10 + include/net/tcp.h | 7 +- include/net/xdp_sock.h | 10 + include/net/xdp_sock_drv.h | 1 + include/uapi/linux/bpf.h | 30 +++ include/uapi/linux/if_xdp.h | 10 + include/uapi/linux/netdev.h | 3 + kernel/bpf/btf.c | 1 + net/core/dev.c | 3 +- net/core/filter.c | 80 ++++++- net/core/netdev-genl.c | 2 + net/core/skbuff.c | 53 +++++ net/core/sock.c | 14 ++ net/dsa/user.c | 2 +- net/ipv4/tcp.c | 6 +- net/ipv4/tcp_input.c | 2 + net/ipv4/tcp_output.c | 2 + net/socket.c | 2 +- net/xdp/xsk.c | 3 + tools/include/uapi/linux/bpf.h | 30 +++ tools/include/uapi/linux/if_xdp.h | 10 + tools/include/uapi/linux/netdev.h | 3 + .../selftests/bpf/prog_tests/net_timestamping.c | 239 ++++++++++++++++++++ .../testing/selftests/bpf/progs/bpf_tracing_net.h | 1 + .../testing/selftests/bpf/progs/net_timestamping.c | 248 +++++++++++++++++++++ tools/testing/selftests/bpf/progs/setget_sockopt.c | 1 + tools/testing/selftests/bpf/xdp_hw_metadata.c | 168 +++++++++++++- 35 files changed, 1126 insertions(+), 53 deletions(-) create mode 100644 tools/testing/selftests/bpf/prog_tests/net_timestamping.c create mode 100644 tools/testing/selftests/bpf/progs/net_timestamping.c
