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in lib/zebra.h, ensure that RFC3542-required CMSG_SPACE and CMSG_LEN
are defined. Warn if alignment assumptions are made, since they are
i386-centric.
in lib/sockopt.h, declare that sockopt sizes are without
CMSG_SPACE-required padding - just simple sizeof.
in ospfd/ospf_packet.c, simply use CMSG_SPACE
This should remove all instances of CMSG_ALIGN from the source code.
This is a nonstandard, though rational, construct; quagga should use
only those defines in RFC3542.
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* sockopt.h: Fix elif that should be an else.
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* sockopt.c: (setsockopt_pktinfo) unexported
* sockopt.h: Cleanup SOCKOPT_CMSG defines a bit. Add a throwaway
define for SOPT_SIZE_CMSG_IFINDEX_IPV4 for systems which have
neither IP_RECVIF nor IP_PKTINFO (eg openbsd).
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* sockopt.{c,h}: add sockopt_iphdrincl_swab_{htosys,systoh},
functions to change byte order between system IP_HDRINCL order
and host order.
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* ripngd/ripngd.c: move setsockopt_so_recvbuf to lib.
* lib/sockopt.{c,h}: Add setsockopt_so_recvbuf, for ripd and ripngd.
* ripd/ripd.c: set receive buffer to a decent size, some systems
have low defaults. Problem noted and fix suggested by Stephan
Schweizer in [zebra 20967].
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Thanks to Hasso for code review.
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* sockopt.h: Define method-independent macro for callers of
get_ifindex to use for cmsg length.
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2004-08-19 Paul Jakma <paul@dishone.st>
* sockopt.c: include sockopt.h
rename some of the _pktinfo_ functions to _ifindex, where that is
their purpose.
(getsockopt_ipv6_pktinfo_ifindex) renamed to
getsockopt_ipv6_ifindex.
(setsockopt_ipv4_pktinfo) renamed to setsockopt_ipv4_ifindex
(setsockopt_pktinfo) update with previous and add comment re
AF_INET portability.
(setsockopt_ifindex) generic ifindex function ala
setsockopt_pktinfo.
(getsockopt_ipv4_pktinfo_ifindex) renamed to
getsockopt_ipv4_ifindex.
(getsockopt_ipv4_ifindex) rejiggling to reduce repeated
ifdef/elses. pktinfo case forgot to set ifindex.
(getsockopt_pktinfo_ifindex) renamed to
getsockopt_ifindex. update some calls to renamed functions.
* sockopt.h: Update renamed exported functions
Rename the CMSG_SIZE macros to IFINDEX.
Guard IPv4 PKTINFO in a conditional define.
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* sockopt.h: Add SOPT_SIZE_CMSG_PKTINFO{_IPV{4,6}} define, for
sizeof pktinfo as appropriate, to be used when allocating msg
buffers. export setsockopt_pktinfo() and
getsockopt_pktinfo_ifindex()
* sockopt.c: (setsockopt_pktinfo_ifindex) new function to portably
set received ifindex sock option.
(getsockopt_pktinfo_ifindex) portably retrieve ifindex.
(getsockopt_cmsg_data) retrieve indicated control info from
message header.
(getsockopt_ipv6_pktinfo_ifindex) ipv6 version of above.
(setsockopt_ipv4_pktinfo) v4 version
(setsockopt_pktinfo) the exported version
(getsockopt_ipv4_pktinfo_ifindex) v4 specific version
(getsockopt_pktinfo_ifindex) the exported version
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