linux-toradex.git/tools/net, branch v4.4-rc6 Linux kernel for Apalis and Colibri modules tools/net: Use include/uapi with __EXPORTED_HEADERS__ 2015-11-15T22:24:33+00:00 Kamal Mostafa kamal@canonical.com 2015-11-11T22:24:27+00:00 d7475de58575c904818efa369c82e88c6648ce2e Use the local uapi headers to keep in sync with "recently" added #define's (e.g. SKF_AD_VLAN_TPID). Refactored CFLAGS, and bpf_asm doesn't need -I. Fixes: 3f356385e8a4 ("filter: bpf_asm: add minimal bpf asm tool") Signed-off-by: Kamal Mostafa <kamal@canonical.com> Acked-by: Daniel Borkmann <daniel@iogearbox.net> Signed-off-by: David S. Miller <davem@davemloft.net> 
Use the local uapi headers to keep in sync with "recently" added #define's
(e.g. SKF_AD_VLAN_TPID).  Refactored CFLAGS, and bpf_asm doesn't need -I.

Fixes: 3f356385e8a4 ("filter: bpf_asm: add minimal bpf asm tool")
Signed-off-by: Kamal Mostafa <kamal@canonical.com>
Acked-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
tools: bpf_jit_disasm: make get_last_jit_image return unsigned 2015-09-29T05:18:01+00:00 Andrzej Hajda a.hajda@samsung.com 2015-09-25T06:45:43+00:00 4de61ba234c0d5834bfec1cbe180008b9d2e1827 The function returns always non-negative values. The problem has been detected using proposed semantic patch scripts/coccinelle/tests/assign_signed_to_unsigned.cocci [1]. [1]: http://permalink.gmane.org/gmane.linux.kernel/2046107 Signed-off-by: Andrzej Hajda <a.hajda@samsung.com> Signed-off-by: David S. Miller <davem@davemloft.net> 
The function returns always non-negative values.

The problem has been detected using proposed semantic patch
scripts/coccinelle/tests/assign_signed_to_unsigned.cocci [1].

[1]: http://permalink.gmane.org/gmane.linux.kernel/2046107

Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
bpf_jit_disasm: also support reading jit dump from file 2015-07-31T22:13:14+00:00 Daniel Borkmann daniel@iogearbox.net 2015-07-30T14:04:22+00:00 a6ed38361b1e0f08d630bd491051c254d1fc71b9 This patch adds support to read the dmesg BPF JIT dump also from a file instead of the klog buffer. I found this quite useful when going through some 'before/after patch' logs. It also fixes a regex leak found by valgrind when no image dump was found. Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Signed-off-by: David S. Miller <davem@davemloft.net> 
This patch adds support to read the dmesg BPF JIT dump also from a
file instead of the klog buffer. I found this quite useful when going
through some 'before/after patch' logs. It also fixes a regex leak
found by valgrind when no image dump was found.

Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
tools: bpf_jit_disasm: fix segfault on disabled debugging log output 2015-05-27T04:24:10+00:00 Daniel Borkmann daniel@iogearbox.net 2015-05-25T12:08:03+00:00 082739aa458a74add9a2362988e5aca0367bfa53 With recent debugging, I noticed that bpf_jit_disasm segfaults when there's no debugging output from the JIT compiler to the kernel log. Reason is that when regexec(3) doesn't match on anything, start/end offsets are not being filled out and contain some uninitialized garbage from stack. Thus, we need zero out offsets first. Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Signed-off-by: David S. Miller <davem@davemloft.net> 
With recent debugging, I noticed that bpf_jit_disasm segfaults when
there's no debugging output from the JIT compiler to the kernel log.

Reason is that when regexec(3) doesn't match on anything, start/end
offsets are not being filled out and contain some uninitialized garbage
from stack. Thus, we need zero out offsets first.

Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
tools: bpf_asm: cleanup vlan extension related token 2015-03-25T01:21:41+00:00 Daniel Borkmann daniel@iogearbox.net 2015-03-24T22:19:24+00:00 835c3d9b7a28f5ecfc2dea2300946e27811f16a5 We now have K_VLANT, K_VLANP and K_VLANTPID. Clean them up into more descriptive token, namely K_VLAN_TCI, K_VLAN_AVAIL and K_VLAN_TPID. Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Signed-off-by: David S. Miller <davem@davemloft.net> 
We now have K_VLANT, K_VLANP and K_VLANTPID. Clean them up into more
descriptive token, namely K_VLAN_TCI, K_VLAN_AVAIL and K_VLAN_TPID.

Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
filter: introduce SKF_AD_VLAN_TPID BPF extension 2015-03-24T19:25:15+00:00 Michal Sekletar msekleta@redhat.com 2015-03-24T13:48:41+00:00 27cd5452476978283decb19e429e81fc6c71e74b If vlan offloading takes place then vlan header is removed from frame and its contents, both vlan_tci and vlan_proto, is available to user space via TPACKET interface. However, only vlan_tci can be used in BPF filters. This commit introduces a new BPF extension. It makes possible to load the value of vlan_proto (vlan TPID) to register A. Support for classic BPF and eBPF is being added, analogous to skb->protocol. Cc: Daniel Borkmann <daniel@iogearbox.net> Cc: Alexei Starovoitov <ast@plumgrid.com> Cc: Jiri Pirko <jpirko@redhat.com> Signed-off-by: Michal Sekletar <msekleta@redhat.com> Acked-by: Daniel Borkmann <daniel@iogearbox.net> Acked-by: Alexei Starovoitov <ast@plumgrid.com> Reviewed-by: Jiri Pirko <jiri@resnulli.us> Signed-off-by: David S. Miller <davem@davemloft.net> 
If vlan offloading takes place then vlan header is removed from frame
and its contents, both vlan_tci and vlan_proto, is available to user
space via TPACKET interface. However, only vlan_tci can be used in BPF
filters.

This commit introduces a new BPF extension. It makes possible to load
the value of vlan_proto (vlan TPID) to register A. Support for classic
BPF and eBPF is being added, analogous to skb->protocol.

Cc: Daniel Borkmann <daniel@iogearbox.net>
Cc: Alexei Starovoitov <ast@plumgrid.com>
Cc: Jiri Pirko <jpirko@redhat.com>

Signed-off-by: Michal Sekletar <msekleta@redhat.com>
Acked-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Alexei Starovoitov <ast@plumgrid.com>
Reviewed-by: Jiri Pirko <jiri@resnulli.us>
Signed-off-by: David S. Miller <davem@davemloft.net>
tools: bpf_jit_disasm: increase image buffer size 2014-05-16T20:44:08+00:00 Alexei Starovoitov ast@plumgrid.com 2014-05-15T22:56:39+00:00 9bb1a208fddda94ea3c6df1fc9a225f92761cf1c JITed seccomp filters can be quite large if they check a lot of syscalls Simply increase buffer size Signed-off-by: Alexei Starovoitov <ast@plumgrid.com> Acked-by: Daniel Borkmann <dborkman@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net> 
JITed seccomp filters can be quite large if they check a lot of syscalls
Simply increase buffer size

Signed-off-by: Alexei Starovoitov <ast@plumgrid.com>
Acked-by: Daniel Borkmann <dborkman@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
tools: bpf_jit_disasm: ignore image address for disasm 2014-05-16T20:44:08+00:00 Alexei Starovoitov ast@plumgrid.com 2014-05-15T22:56:38+00:00 ed4afd451f12ea57f9aaaf6f8442eee7e415fa1a seccomp filters use kernel JIT image addresses, so bpf_jit_enable=2 prints [ 20.146438] flen=3 proglen=82 pass=0 image=0000000000000000 [ 20.146442] JIT code: 00000000: 55 48 89 e5 48 81 ec 28 02 00 00 ... ignore image address, so that seccomp filters can be disassembled Signed-off-by: Alexei Starovoitov <ast@plumgrid.com> Acked-by: Daniel Borkmann <dborkman@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net> 
seccomp filters use kernel JIT image addresses, so bpf_jit_enable=2 prints
[ 20.146438] flen=3 proglen=82 pass=0 image=0000000000000000
[ 20.146442] JIT code: 00000000: 55 48 89 e5 48 81 ec 28 02 00 00 ...

ignore image address, so that seccomp filters can be disassembled

Signed-off-by: Alexei Starovoitov <ast@plumgrid.com>
Acked-by: Daniel Borkmann <dborkman@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2014-05-12T17:19:14+00:00 David S. Miller davem@davemloft.net 2014-05-12T17:19:14+00:00 5f013c9bc70214dcacd5fbed5a06c217d6ff9c59 Conflicts: drivers/net/ethernet/altera/altera_sgdma.c net/netlink/af_netlink.c net/sched/cls_api.c net/sched/sch_api.c The netlink conflict dealt with moving to netlink_capable() and netlink_ns_capable() in the 'net' tree vs. supporting 'tc' operations in non-init namespaces. These were simple transformations from netlink_capable to netlink_ns_capable. The Altera driver conflict was simply code removal overlapping some void pointer cast cleanups in net-next. Signed-off-by: David S. Miller <davem@davemloft.net> 
Conflicts:
	drivers/net/ethernet/altera/altera_sgdma.c
	net/netlink/af_netlink.c
	net/sched/cls_api.c
	net/sched/sch_api.c

The netlink conflict dealt with moving to netlink_capable() and
netlink_ns_capable() in the 'net' tree vs. supporting 'tc' operations
in non-init namespaces.  These were simple transformations from
netlink_capable to netlink_ns_capable.

The Altera driver conflict was simply code removal overlapping some
void pointer cast cleanups in net-next.

Signed-off-by: David S. Miller <davem@davemloft.net>
bpf_dbg: fix wrong register usage 2014-04-30T20:12:22+00:00 Brendan Hickey bhickey@google.com 2014-04-30T08:24:38+00:00 e5744fe9d262d11131916d04ea79ea539fe296c0 The AND instruction is erroneously using the X register instead of the K register. Signed-off-by: Brendan Hickey <bhickey@google.com> Signed-off-by: Daniel Borkmann <dborkman@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net> 
The AND instruction is erroneously using the X register instead
of the K register.

Signed-off-by: Brendan Hickey <bhickey@google.com>
Signed-off-by: Daniel Borkmann <dborkman@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>