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glibc/inet
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Dan Luedtke 72dfba1be4 inet: Add common IPv6 packet header macros 
Adds commonly used IPv6 packet header macros similar to what is available
on NetBSD and FreeBSD in sys/netinet/ip6.h and Android in
libc/include/netinet/ip6.h

Usage example IPV6_VERSION_MASK and IPV6_VERSION:

    if ((ip6->ip6_vfc & IPV6_VERSION_MASK) == IPV6_VERSION)
        return true;

Usage example IPV6_FLOWINFO_MASK:

    ip6->ip6_flow = (flow & IPV6_FLOWINFO_MASK);

The relevant standard is RFC2460 (Internet Protocol, Version 6
Specification). It defines the Internet Protocol version (IPV6_VERSION)
and reduced the size of the flow label field from 24 to 20 bits
(IPV6_FLOWLABEL_MASK). The traffic class and flow label fields together
make up the flow information (IPV6_FLOWINFO_MASK).

Tested on x86_64 GNU/Linux

Signed-off-by: Dan Luedtke <danrl@google.com>
Reviewed-by: Adhemerval Zanella  <adhemerval.zanella@linaro.org>
 		2025-01-13 10:54:38 -03:00
..
arpa Update copyright dates with scripts/update-copyrights 2025-01-01 11:22:09 -08:00
netinet inet: Add common IPv6 packet header macros 2025-01-13 10:54:38 -03:00
protocols Installed-header hygiene (BZ#20366): conditionally defined structures. 2016-09-23 08:43:56 -04:00
rpc Move <rpc/netdb.h> from sunrpc to inet 2020-07-17 15:19:35 +02:00
Makefile Update copyright dates with scripts/update-copyrights 2025-01-01 11:22:09 -08:00
Versions Move 'services' routines from 'inet' into 'nss' 2023-10-24 12:31:00 +02:00
bindresvport.c Move non-deprecated RPC-related functions from sunrpc to inet 2020-07-08 17:25:57 +02:00
bug-if1.c Update copyright dates with scripts/update-copyrights 2025-01-01 11:22:09 -08:00
check_native.c Update copyright dates with scripts/update-copyrights 2025-01-01 11:22:09 -08:00
check_pf.c Update copyright dates with scripts/update-copyrights 2025-01-01 11:22:09 -08:00
deadline.c Update copyright dates with scripts/update-copyrights 2025-01-01 11:22:09 -08:00
etc.rpc Move non-deprecated RPC-related functions from sunrpc to inet 2020-07-08 17:25:57 +02:00
ether_aton.c Update copyright dates with scripts/update-copyrights 2025-01-01 11:22:09 -08:00
ether_aton_r.c Update copyright dates with scripts/update-copyrights 2025-01-01 11:22:09 -08:00
ether_line.c Update copyright dates with scripts/update-copyrights 2025-01-01 11:22:09 -08:00
ether_ntoa.c Update copyright dates with scripts/update-copyrights 2025-01-01 11:22:09 -08:00
ether_ntoa_r.c Update copyright dates with scripts/update-copyrights 2025-01-01 11:22:09 -08:00
getipv4sourcefilter.c Update copyright dates with scripts/update-copyrights 2025-01-01 11:22:09 -08:00
getsourcefilter.c Update copyright dates with scripts/update-copyrights 2025-01-01 11:22:09 -08:00
herrno-loc.c Update copyright dates with scripts/update-copyrights 2025-01-01 11:22:09 -08:00
herrno.c Update copyright dates with scripts/update-copyrights 2025-01-01 11:22:09 -08:00
htonl.c Update copyright dates with scripts/update-copyrights 2025-01-01 11:22:09 -08:00
htons.c Update copyright dates with scripts/update-copyrights 2025-01-01 11:22:09 -08:00
htontest.c Update copyright dates with scripts/update-copyrights 2025-01-01 11:22:09 -08:00
idna.c Update copyright dates with scripts/update-copyrights 2025-01-01 11:22:09 -08:00
idna_name_classify.c Update copyright dates with scripts/update-copyrights 2025-01-01 11:22:09 -08:00
if_index.c Update copyright dates with scripts/update-copyrights 2025-01-01 11:22:09 -08:00
ifaddrs.c Update copyright dates with scripts/update-copyrights 2025-01-01 11:22:09 -08:00
ifaddrs.h Update copyright dates with scripts/update-copyrights 2025-01-01 11:22:09 -08:00
ifreq.c Update copyright dates with scripts/update-copyrights 2025-01-01 11:22:09 -08:00
in6_addr.c Update copyright dates with scripts/update-copyrights 2025-01-01 11:22:09 -08:00
inet6_opt.c Update copyright dates with scripts/update-copyrights 2025-01-01 11:22:09 -08:00
inet6_option.c Update copyright dates with scripts/update-copyrights 2025-01-01 11:22:09 -08:00
inet6_rth.c Update copyright dates with scripts/update-copyrights 2025-01-01 11:22:09 -08:00
inet6_scopeid_pton.c Update copyright dates with scripts/update-copyrights 2025-01-01 11:22:09 -08:00
inet_lnaof.c Consistently use uintN_t not u_intN_t everywhere. 2017-08-07 19:55:34 +00:00
inet_mkadr.c inet: Remove SCCS keywords 2016-04-28 12:53:50 +02:00
inet_net.c Update copyright dates with scripts/update-copyrights 2025-01-01 11:22:09 -08:00
inet_netof.c Consistently use uintN_t not u_intN_t everywhere. 2017-08-07 19:55:34 +00:00
inet_ntoa.c Update copyright dates with scripts/update-copyrights 2025-01-01 11:22:09 -08:00
net-internal.h Update copyright dates with scripts/update-copyrights 2025-01-01 11:22:09 -08:00
rcmd.c Silence most -Wzero-as-null-pointer-constant diagnostics 2024-11-25 16:45:59 -03:00
rexec.c Silence most -Wzero-as-null-pointer-constant diagnostics 2024-11-25 16:45:59 -03:00
ruserpass.c Silence most -Wzero-as-null-pointer-constant diagnostics 2024-11-25 16:45:59 -03:00
setipv4sourcefilter.c Update copyright dates with scripts/update-copyrights 2025-01-01 11:22:09 -08:00
setsourcefilter.c Update copyright dates with scripts/update-copyrights 2025-01-01 11:22:09 -08:00
test-hnto-types.c Update copyright dates with scripts/update-copyrights 2025-01-01 11:22:09 -08:00
test-ifaddrs.c Update copyright dates with scripts/update-copyrights 2025-01-01 11:22:09 -08:00
test-inet6_opt.c
…
test_ifindex.c Update copyright dates with scripts/update-copyrights 2025-01-01 11:22:09 -08:00
tst-checks-posix.c Update copyright dates with scripts/update-copyrights 2025-01-01 11:22:09 -08:00
tst-checks.c inet: Make IN6_IS_ADDR_UNSPECIFIED etc. usable with POSIX [BZ #16421] 2016-12-09 11:27:44 +01:00
tst-deadline.c Update copyright dates with scripts/update-copyrights 2025-01-01 11:22:09 -08:00
tst-ether_aton.c Modify several tests to use test-skeleton.c 2015-08-06 02:59:04 -04:00
tst-ether_line.c
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tst-getni1.c
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tst-getni2.c
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tst-idna_name_classify.c Update copyright dates with scripts/update-copyrights 2025-01-01 11:22:09 -08:00
tst-if_index-long.c Update copyright dates with scripts/update-copyrights 2025-01-01 11:22:09 -08:00
tst-if_nameindex.c Update copyright dates with scripts/update-copyrights 2025-01-01 11:22:09 -08:00
tst-inet6_rth.c
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tst-inet6_scopeid_pton.c Update copyright dates with scripts/update-copyrights 2025-01-01 11:22:09 -08:00
tst-network.c Update copyright dates with scripts/update-copyrights 2025-01-01 11:22:09 -08:00
tst-ntoa.c
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tst-sockaddr.c Update copyright dates with scripts/update-copyrights 2025-01-01 11:22:09 -08:00