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authorGerrit Renker <gerrit@erg.abdn.ac.uk>2009-08-09 08:12:49 +0000
committerDavid S. Miller <davem@davemloft.net>2009-08-13 16:43:32 -0700
commit26ced1e4aa181c01379b0b7ef156a29c000d1f8c (patch)
treee5f2544f678c081582b70ce88281af3e4e2b28cd /net/mac80211/mesh_plink.c
parente651f03afe833326faa0abe55948c1c6cfd0b8ac (diff)
inet6: Set default traffic class
This patch addresses: * assigning -1 to np->tclass as it is currently done is not very meaningful, since it turns into 0xff; * RFC 3542, 6.5 allows -1 for clearing the sticky IPV6_TCLASS option and specifies -1 to mean "use kernel default": - RFC 2460, 7. requires that the default traffic class must be zero for all 8 bits, - this is consistent with RFC 2474, 4.1 which recommends a default PHB of 0, in combination with a value of the ECN field of "non-ECT" (RFC 3168, 5.). This patch changes the meaning of -1 from assigning 255 to mean the RFC 2460 default, which at the same time allows to satisfy clearing the sticky TCLASS option as per RFC 3542, 6.5. (When passing -1 as ancillary data, the fallback remains np->tclass, which has either been set via socket options, or contains the default value.) Signed-off-by: Gerrit Renker <gerrit@erg.abdn.ac.uk> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/mac80211/mesh_plink.c')
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