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* configure.ac (AC_CHECK_TYPES): Include <linux/types.h> before
<linux/pkt_sched.h> to check for struct tc_sizespec on linux kernel
headers without v2.6.29-rc4~77^2~26 fix.
There is too much noise when using unreleased kernel uapi.
* ci/install-dependencies.sh (clone_repo): Add optional "branch"
argument, pass it to "git clone".
($KHEADERS): Pass $KBRANCH as branch argument of clone_repo.
* .travis.yml (matrix): Specify KBRANCH=v4.17 for
KHEADERS=torvalds/linux.
An ability to specify custom depth is going to be needed later to check
IFLA_AF_SPEC decoding.
* configure.ac (AC_CHECK_DECLS): Check for TCA_STAB_DATA in
<linux/pkt_sched.h>.
* tests/test_nlattr.h (TEST_NESTED_NLATTR_ARRAY_EX): Rename from
TEST_NESTED_NLATTR_ARRAY, add depth_ argument, perform padding and
output accordingly.
(TEST_NESTED_NLATTR_ARRAY): New macro, a thin wrapper around
TEST_NESTED_NLATTR_ARRAY_EX.
* tests/nlattr_tca_stab.c [!HAVE_DECL_TCA_STAB_DATA] (TCA_STAB_DATA):
New enumeration declaration.
Co-Authored-by: Dmitry V. Levin <ldv@altlinux.org>
* tests/test_nlattr.h (TEST_NLATTR_NESTED_ARRAY): Pass array index
to the print_elem_ callback.
* tests/nlattr_tca_stab.c (print_uint16): Add index argument.
* configure.ac (AC_CHECK_DECLS): Check for IFLA_PORT_SELF, IFLA_PROTINFO, and
IFLA_XDP in <linux/rtnetlink.h>.
* tests/nlattr_ifla.h: New file.
* tests/Makefile.am (EXTRA_DIST): Add it.
* tests/nlattr_ifla_brport.c [!HAVE_DECL_IFLA_PROTINFO] (IFLA_PROTINFO):
New declaration.
(hdrlen, init_ifinfomsg, print_ifinfomsg): Remove.
(IFLA_ATTR): Define to IFLA_PROTINFO.
Include nlattr_ifla.h.
* tests/nlattr_ifla_port.c [!HAVE_DECL_IFLA_PORT_SELF] (IFLA_PORT_SELF):
New declaration.
(hdrlen, init_ifinfomsg, print_ifinfomsg): Remove.
(IFLA_ATTR): Define to IFLA_PORT_SELF.
Include nlattr_ifla.h.
* tests/nlattr_ifla_xdp.c
* tests/nlattr_ifla_xdp.c [!HAVE_DECL_IFLA_XDP] (IFLA_XDP): New
declaration.
(hdrlen, init_ifinfomsg, print_ifinfomsg): Remove.
(IFLA_ATTR): Define to IFLA_XDP.
Include nlattr_ifla.h.
* xlat/rtnl_ifla_info_data_tun_attrs.in: New file.
* xlat/tun_device_types.in: Likewise.
* rtnl_link.c: Include xlat/rtnl_ifla_info_data_tun_attrs.h and
xlat/tun_device_types.h.
(decode_nla_tun_type, decode_nla_linkinfo_data_tun): New functions.
(ifla_info_data_tun_nla_decoders): New decoder dispatcher table.
(decode_nla_linkinfo_data): Use decode_nla_linkinfo_data_tun if kind
is
"tun".
* xlat/rtnl_ifla_info_data_bridge_attrs.in: New file.
* rtnl_link.c: Include xlat/rtnl_ifla_info_data_bridge_attrs.h.
(ifla_info_data_bridge_nla_decoders): New decoder dispatcher table.
(decode_nla_linkinfo_data_bridge, decode_nla_linkinfo_data): New
functions.
(ifla_linkinfo_nla_decoders) <IFLA_INFO_DATA>: Use
decode_nla_linkinfo_data as a decoder.
So far, only CAN provides it.
* rtnl_link.c (decode_nla_linkinfo_xstats_can,
decode_nla_linkinfo_xstats): New function.
(ifla_linkinfo_nla_decoders) <IFLA_INFO_XSTATS>: Use
decode_nla_linkinfo_xstats as a decoder.
Dispatch for IFLA_INFO_* attributes should be performed based on the
string provided in a IFLA_INFO_KIND attribute.
* nlattr.h (struct ifla_linkinfo_ctx): New type definition.
* rtnl_link.c (decode_nla_linkinfo_kind): New function.
(ifla_linkinfo_nla_decoders) <IFLA_INFO_KIND>: Use
decode_nla_linkinfo_kind as decoder.
(decode_ifla_linkinfo): Add struct ifla_linkinfo_ctx context, pass it to
the decode_nlattr call as opaque data.
If the field size is known, do not print as valid numbers those
attributes that are too short, and ignore extra data.
This change puts xval/flags printing in line with the reset of attribute
decoders.
* nlattr.h (struct decode_nla_xlat_opts): Add size field.
* nlattr.c (decode_nla_xval, decode_nla_flags): Check that len is at
least opts->size, limit len to opts->size.
(decode_nla_ip_proto): Specify size of 1.
Co-Authored-by: Dmitry V. Levin <ldv@altlinux.org>
Needed for upcoming decoder of ethernet proto which is stored in the
host order and has to be converted to the network order before printing
as an xval constant. This change also adds ability to provide
prefix/suffix in order to enclose the printed value in something that
describes the performed conversion.
* nlattr.h (struct decode_nla_xlat_opts): Add prefix, suffix, and
process_fn fields.
* nlattr.c (decode_nla_xval, decode_nla_flags): Handle process_fn,
prefix, snd uffix parameters.
As of now, it's impossible to introduce a dispatching nlattr decoder
that performs actions based on the type of the message, so let's use
a combination of zero decoder list size and non-zero decoder pointer
for this.
This is going to be used later in IFLA_AF_SPEC decoding.
* nlattr.c (decode_nlattr_with_data): Handle zero size and non-NULL
decoders in a special way.
(decode_nlattr): Add an error message about ignoring of opaque_data
argument when zero size and non-NULL decoders are provided.
* nlattr.h (decode_nlattr): Add a comment about the new special case.
Remove _STR which is essentially the same as STRINGIFY but from
the namespace where we should not introduce new identifiers.
* tests/tests.h (_STR): Remove.
* tests/add_key.c (main): Replace _STR with STRINGIFY.
* tests/keyctl.c (XARG_STR): Likewise.
* tests/request_key.c (main): Likewise.
Extend xlat generator to support such input lines as
IPV4_DEVCONF_FORWARDING-1 0
This is going to be used later in IFLA_AF_SPEC decoding.
* xlat/gen.sh (cond_def): If the xlat value is not an identifier name,
extract an identifier name from the beginning of xlat value.
This is going to be used later in IFLA_AF_SPEC decoding.
* xlat.c (xlookup): Add static variable pos, store xlat there when it is
non-NULL, use pos for lookup.
(xlat_search, xlat_idx): Add static variables pos and memb_left, store
xlat and nmemb there when xlat is non-NULL, use them for lookup.
(printxvals_ex): Store the last non-NULL xlat in static variable "last".
If the first xlat argument is NULL, use "last" instead.
Co-Authored-by: Dmitry V. Levin <ldv@altlinux.org>
* rtnl_link.c (DECL_NETLINK_ROUTE_DECODER(decode_ifinfomsg)): Use
PRINT_FIELD_XVAL_SORTED_SIZED instead of PRINT_FIELD_XVAL for
arp_hardware_types.
* sock.c (print_ifreq): Likewise.
For those cases when array definition is not readily available
and should be provided separately.
* print_fields.h (PRINT_FIELD_XVAL_SORTED_SIZED): New macro.
* bpf.c (print_ebpf_prog): Remove "decode" argument, all users updated.
(print_bpf_prog_info): Use the minimum of xlated_prog_len values on
entering and exiting syscall as the size of xlated_prog_insns array
to be decoded. Likewise, use the minimum of nr_map_ids values on entering
and exiting syscall as the size of map_ids array to be decoded.
* bpf.c (print_bpf_map_info): Print only those fields that are
present in the structure, as it has been growing over time.
(print_bpf_prog_info): Likewise. Print map_ids field as an array
of uint32_t instead of uint64_t; print "name" field.
Co-Authored-by: Dmitry V. Levin <ldv@altlinux.org>
As it is needed for proper info_len printing on exiting.
* bpf.c (print_bpf_obj_info_fn): Change return type to void, add "saved"
argument.
(struct obj_get_info_saved): New type definition.
(print_bpf_map_info, print_bpf_prog_info): Change return type to void,
add "saved" argument, do not handle private tcb data allocation and
obtainment.
(print_bpf_obj_info_addr): Change return type to void, add tcb argument,
print the address only on exiting.
(print_bpf_obj_info): Change return type to void, add "saved" argument.
(BEGIN_BPF_CMD_DECODER(BPF_OBJ_GET_INFO_BY_FD)): Handle private data
allocation/saving/restoring, use it for storing/printing info_len field.
Co-Authored-by: Dmitry V. Levin <ldv@altlinux.org>
* bpf.c (BEGIN_BPF_CMD_DECODER(BPF_PROG_LOAD)): Print log_buf field
as a string.
* tests/bpf.c: Update expected output.
Co-Authored-by: Dmitry V. Levin <ldv@altlinux.org>
If xlated_prog_len is zero on entering syscall and non-zero on exiting,
the program itself is not written into xlated_prog_insns.
* bpf.c (print_ebpf_prog): Add decode argument, print the address only
if decode is false.
(BEGIN_BPF_CMD_DECODER(BPF_PROG_LOAD)): Specify decode == true argument
to print_ebpf_prog.
(print_bpf_prog_info): Specify saved xlated_prog_len as decode argument
to print_ebpf_prog.
Co-Authored-by: Dmitry V. Levin <ldv@altlinux.org>
* bpf.c (print_ebpf_prog): Add static qualifier. Change the type
of "addr" argument from kernel_ulong_t to uint64_t, print it using
print_big_u64_addr.
(BEGIN_BPF_CMD_DECODER(BPF_PROG_LOAD), print_bpf_prog_info): Do not call
print_big_u64_addr before print_ebpf_prog.
Co-Authored-by: Dmitry V. Levin <ldv@altlinux.org>
Our policy is that all fields of type uint64_t in this header file
must have this attribute.
This shouldn't cause any contradictions with <linux/bpf.h>
unless the latter is buggy.
By word "buggy" I mean containing such changes as Linux kernel commit
v4.16-rc1~123^2~109^2~5^2~4.
* bpf_attr.h (struct BPF_MAP_UPDATE_ELEM_struct): Add
ATTRIBUTE_ALIGNED(8) to "flags" field.
(struct bpf_prog_info_struct): Add ATTRIBUTE_ALIGNED(8) to "load_time"
field.
Reported by clang.
* tests/mknod.c (main): Cast printf argument for %#03ho format to short.
* tests/mknodat.c (main): Likewise.
* tests/net-sockaddr.c (main): Cast printf argument for %hu format
to short.
* tests/semop.c (main): Likewise.
Those are used for describing input device category and not specific
button.
Reported by clang.
* xlat/evdev_keycode.in (BTN_MOUSE, BTN_JOYSTICK, BTN_GAMEPAD, BTN_DIGI,
BTN_WHEEL, BTN_TRIGGER_HAPPY): Remove.
This is needed for old Linux UAPI headers that do no contain commit
v3.1-rc2~19^2~29.
* configure.ac: Include <sys/socket.h> before <linux/rtnetlink.h>
in AC_CHECK_* invocations.
Historically, type definitions and declarations related to netlink route
interface attributes were in linux/rtnetlink.h, later they were moved
elsewhere (first linux/if.h, then linux/if_link.h) with the inclusion
of the corresponding header file in linux/rtnetlink.h.
* configure.ac: Use <linux/rtnetlink.h> instead of <linux/if_link.h>
in checks for interface netlink attributes-related declarations
and definitions.
Initialize errstr inside invoke_test_syscall so that its users
won't have to go into trouble of caring about clobbering errno.
* tests/fcntl-common.c (errstr): New variable.
(invoke_test_syscall): Initialize it.
(test_flock_einval, test_flock64_einval, test_flock,
test_f_owner_ex_type_pid): Use it.
* tests/fcntl.c (test_flock64_undecoded): Likewise.
* tests/fcntl64.c (test_flock64_lk64): Likewise.
