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authorDavid S. Miller <davem@davemloft.net>2018-04-26 21:19:50 -0400
committerDavid S. Miller <davem@davemloft.net>2018-04-26 21:19:50 -0400
commit79741a38b4a2538a68342c45b813ecb9dd648ee8 (patch)
treebd744350673c8e3a912525b4733ab8e0ae24cdfd /Documentation/networking/filter.txt
parentMerge branch 'udp-gso' (diff)
parentsamples, bpf: remove redundant ret assignment in bpf_load_program() (diff)
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Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next
Daniel Borkmann says: ==================== pull-request: bpf-next 2018-04-27 The following pull-request contains BPF updates for your *net-next* tree. The main changes are: 1) Add extensive BPF helper description into include/uapi/linux/bpf.h and a new script bpf_helpers_doc.py which allows for generating a man page out of it. Thus, every helper in BPF now comes with proper function signature, detailed description and return code explanation, from Quentin. 2) Migrate the BPF collect metadata tunnel tests from BPF samples over to the BPF selftests and further extend them with v6 vxlan, geneve and ipip tests, simplify the ipip tests, improve documentation and convert to bpf_ntoh*() / bpf_hton*() api, from William. 3) Currently, helpers that expect ARG_PTR_TO_MAP_{KEY,VALUE} can only access stack and packet memory. Extend this to allow such helpers to also use map values, which enabled use cases where value from a first lookup can be directly used as a key for a second lookup, from Paul. 4) Add a new helper bpf_skb_get_xfrm_state() for tc BPF programs in order to retrieve XFRM state information containing SPI, peer address and reqid values, from Eyal. 5) Various optimizations in nfp driver's BPF JIT in order to turn ADD and SUB instructions with negative immediate into the opposite operation with a positive immediate such that nfp can better fit small immediates into instructions. Savings in instruction count up to 4% have been observed, from Jakub. 6) Add the BPF prog's gpl_compatible flag to struct bpf_prog_info and add support for dumping this through bpftool, from Jiri. 7) Move the BPF sockmap samples over into BPF selftests instead since sockmap was rather a series of tests than sample anyway and this way this can be run from automated bots, from John. 8) Follow-up fix for bpf_adjust_tail() helper in order to make it work with generic XDP, from Nikita. 9) Some follow-up cleanups to BTF, namely, removing unused defines from BTF uapi header and renaming 'name' struct btf_* members into name_off to make it more clear they are offsets into string section, from Martin. 10) Remove test_sock_addr from TEST_GEN_PROGS in BPF selftests since not run directly but invoked from test_sock_addr.sh, from Yonghong. 11) Remove redundant ret assignment in sample BPF loader, from Wang. 12) Add couple of missing files to BPF selftest's gitignore, from Anders. There are two trivial merge conflicts while pulling: 1) Remove samples/sockmap/Makefile since all sockmap tests have been moved to selftests. 2) Add both hunks from tools/testing/selftests/bpf/.gitignore to the file since git should ignore all of them. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
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