/* * netsniff-ng - the packet sniffing beast * Copyright 2009, 2010 Daniel Borkmann. * Subject to the GPL, version 2. */ #include #include #include #include "proto.h" #include "protos.h" #include "pkt_buff.h" void empty(struct pkt_buff *pkt) {} static void _hex(uint8_t *ptr, size_t len) { if (!len) return; tprintf(" [ Hex "); for (; ptr && len-- > 0; ptr++) tprintf(" %.2x", *ptr); tprintf(" ]\n"); } void hex(struct pkt_buff *pkt) { size_t len = pkt_len(pkt); if (!len) return; _hex(pkt_pull(pkt, len), len); tprintf("\n"); } static void _ascii(uint8_t *ptr, size_t len) { if (!len) return; tprintf(" [ Chr "); for (; ptr && len-- > 0; ptr++) tprintf("%c", isprint(*ptr) ? *ptr : '.'); tprintf(" ]\n"); } void ascii(struct pkt_buff *pkt) { size_t len = pkt_len(pkt); if (!len) return; _ascii(pkt_pull(pkt, len), len); tprintf("\n"); } void hex_ascii(struct pkt_buff *pkt) { size_t len = pkt_len(pkt); uint8_t *ptr = pkt_pull(pkt, len); if (len) { _ascii(ptr, len); _hex(ptr, len); } tprintf("\n"); } static void none_less(struct pkt_buff *pkt) { tprintf("\n"); } struct protocol none_ops = { .key = 0x01, .print_full = hex_ascii, .print_less = none_less, }; > net-next plumbingsTobias Klauser
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authorZi Shen Lim <zlim.lnx@gmail.com>2016-05-12 23:37:58 -0700
committerDavid S. Miller <davem@davemloft.net>2016-05-14 16:11:45 -0400
commit98397fc547e3f4553553a30ea56fa34d613f0a4c (patch)
treec7af9a9bfa0320b525a5896f79c9c4192720675e
parent626abd59e51d4d8c6367e03aae252a8aa759ac78 (diff)
arm64: bpf: jit JMP_JSET_{X,K}
Original implementation commit e54bcde3d69d ("arm64: eBPF JIT compiler") had the relevant code paths, but due to an oversight always fail jiting. As a result, we had been falling back to BPF interpreter whenever a BPF program has JMP_JSET_{X,K} instructions. With this fix, we confirm that the corresponding tests in lib/test_bpf continue to pass, and also jited. ... [ 2.784553] test_bpf: #30 JSET jited:1 188 192 197 PASS [ 2.791373] test_bpf: #31 tcpdump port 22 jited:1 325 677 625 PASS [ 2.808800] test_bpf: #32 tcpdump complex jited:1 323 731 991 PASS ... [ 3.190759] test_bpf: #237 JMP_JSET_K: if (0x3 & 0x2) return 1 jited:1 110 PASS [ 3.192524] test_bpf: #238 JMP_JSET_K: if (0x3 & 0xffffffff) return 1 jited:1 98 PASS [ 3.211014] test_bpf: #249 JMP_JSET_X: if (0x3 & 0x2) return 1 jited:1 120 PASS [ 3.212973] test_bpf: #250 JMP_JSET_X: if (0x3 & 0xffffffff) return 1 jited:1 89 PASS ... Fixes: e54bcde3d69d ("arm64: eBPF JIT compiler") Signed-off-by: Zi Shen Lim <zlim.lnx@gmail.com> Acked-by: Will Deacon <will.deacon@arm.com> Acked-by: Yang Shi <yang.shi@linaro.org> Signed-off-by: David S. Miller <davem@davemloft.net>
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