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author | Linus Torvalds <torvalds@linux-foundation.org> | 2014-06-13 01:27:40 +0400 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2014-06-13 01:27:40 +0400 |
commit | f9da455b93f6ba076935b4ef4589f61e529ae046 (patch) | |
tree | 3c4e69ce1ba1d6bf65915b97a76ca2172105b278 /tools/net/bpf_jit_disasm.c | |
parent | 0e04c641b199435f3779454055f6a7de258ecdfc (diff) | |
parent | e5eca6d41f53db48edd8cf88a3f59d2c30227f8e (diff) | |
download | linux-f9da455b93f6ba076935b4ef4589f61e529ae046.tar.xz |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next
Pull networking updates from David Miller:
1) Seccomp BPF filters can now be JIT'd, from Alexei Starovoitov.
2) Multiqueue support in xen-netback and xen-netfront, from Andrew J
Benniston.
3) Allow tweaking of aggregation settings in cdc_ncm driver, from Bjørn
Mork.
4) BPF now has a "random" opcode, from Chema Gonzalez.
5) Add more BPF documentation and improve test framework, from Daniel
Borkmann.
6) Support TCP fastopen over ipv6, from Daniel Lee.
7) Add software TSO helper functions and use them to support software
TSO in mvneta and mv643xx_eth drivers. From Ezequiel Garcia.
8) Support software TSO in fec driver too, from Nimrod Andy.
9) Add Broadcom SYSTEMPORT driver, from Florian Fainelli.
10) Handle broadcasts more gracefully over macvlan when there are large
numbers of interfaces configured, from Herbert Xu.
11) Allow more control over fwmark used for non-socket based responses,
from Lorenzo Colitti.
12) Do TCP congestion window limiting based upon measurements, from Neal
Cardwell.
13) Support busy polling in SCTP, from Neal Horman.
14) Allow RSS key to be configured via ethtool, from Venkata Duvvuru.
15) Bridge promisc mode handling improvements from Vlad Yasevich.
16) Don't use inetpeer entries to implement ID generation any more, it
performs poorly, from Eric Dumazet.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next: (1522 commits)
rtnetlink: fix userspace API breakage for iproute2 < v3.9.0
tcp: fixing TLP's FIN recovery
net: fec: Add software TSO support
net: fec: Add Scatter/gather support
net: fec: Increase buffer descriptor entry number
net: fec: Factorize feature setting
net: fec: Enable IP header hardware checksum
net: fec: Factorize the .xmit transmit function
bridge: fix compile error when compiling without IPv6 support
bridge: fix smatch warning / potential null pointer dereference
via-rhine: fix full-duplex with autoneg disable
bnx2x: Enlarge the dorq threshold for VFs
bnx2x: Check for UNDI in uncommon branch
bnx2x: Fix 1G-baseT link
bnx2x: Fix link for KR with swapped polarity lane
sctp: Fix sk_ack_backlog wrap-around problem
net/core: Add VF link state control policy
net/fsl: xgmac_mdio is dependent on OF_MDIO
net/fsl: Make xgmac_mdio read error message useful
net_sched: drr: warn when qdisc is not work conserving
...
Diffstat (limited to 'tools/net/bpf_jit_disasm.c')
-rw-r--r-- | tools/net/bpf_jit_disasm.c | 20 |
1 files changed, 9 insertions, 11 deletions
diff --git a/tools/net/bpf_jit_disasm.c b/tools/net/bpf_jit_disasm.c index cfe0cdcda3de..c5baf9c591b7 100644 --- a/tools/net/bpf_jit_disasm.c +++ b/tools/net/bpf_jit_disasm.c @@ -43,8 +43,7 @@ static void get_exec_path(char *tpath, size_t size) free(path); } -static void get_asm_insns(uint8_t *image, size_t len, unsigned long base, - int opcodes) +static void get_asm_insns(uint8_t *image, size_t len, int opcodes) { int count, i, pc = 0; char tpath[256]; @@ -107,13 +106,13 @@ static void put_klog_buff(char *buff) } static int get_last_jit_image(char *haystack, size_t hlen, - uint8_t *image, size_t ilen, - unsigned long *base) + uint8_t *image, size_t ilen) { char *ptr, *pptr, *tmp; off_t off = 0; int ret, flen, proglen, pass, ulen = 0; regmatch_t pmatch[1]; + unsigned long base; regex_t regex; if (hlen == 0) @@ -136,7 +135,7 @@ static int get_last_jit_image(char *haystack, size_t hlen, ptr = haystack + off - (pmatch[0].rm_eo - pmatch[0].rm_so); ret = sscanf(ptr, "flen=%d proglen=%d pass=%d image=%lx", - &flen, &proglen, &pass, base); + &flen, &proglen, &pass, &base); if (ret != 4) return 0; @@ -162,7 +161,7 @@ static int get_last_jit_image(char *haystack, size_t hlen, assert(ulen == proglen); printf("%d bytes emitted from JIT compiler (pass:%d, flen:%d)\n", proglen, pass, flen); - printf("%lx + <x>:\n", *base); + printf("%lx + <x>:\n", base); regfree(®ex); return ulen; @@ -172,8 +171,7 @@ int main(int argc, char **argv) { int len, klen, opcodes = 0; char *kbuff; - unsigned long base; - uint8_t image[4096]; + static uint8_t image[32768]; if (argc > 1) { if (!strncmp("-o", argv[argc - 1], 2)) { @@ -189,9 +187,9 @@ int main(int argc, char **argv) kbuff = get_klog_buff(&klen); - len = get_last_jit_image(kbuff, klen, image, sizeof(image), &base); - if (len > 0 && base > 0) - get_asm_insns(image, len, base, opcodes); + len = get_last_jit_image(kbuff, klen, image, sizeof(image)); + if (len > 0) + get_asm_insns(image, len, opcodes); put_klog_buff(kbuff); |