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authorTomasz Grobelny <tomasz@grobelny.oswiecenia.net>2008-09-04 01:30:19 -0400
committerGerrit Renker <gerrit@erg.abdn.ac.uk>2008-09-04 01:45:39 -0400
commitd6da3511d6b558d0b017777b61dc08b8fbc06ea4 (patch)
tree473f9131b9e641d803bfbea174cf1dfc45aea3ca /kernel/test_kprobes.c
parentddab05568eaa70fc92b2aae957136f188f724e9c (diff)
dccp: Policy-based packet dequeueing infrastructure
This patch adds a generic infrastructure for policy-based dequeueing of TX packets and provides two policies: * a simple FIFO policy (which is the default) and * a priority based policy (set via socket options). Both policies honour the tx_qlen sysctl for the maximum size of the write queue (can be overridden via socket options). The priority policy uses skb->priority internally to assign an u32 priority identifier, using the same ranking as SO_PRIORITY. The skb->priority field is set to 0 when the packet leaves DCCP. The priority is supplied as ancillary data using cmsg(3), the patch also provides the requisite parsing routines. Signed-off-by: Tomasz Grobelny <tomasz@grobelny.oswiecenia.net> Signed-off-by: Gerrit Renker <gerrit@erg.abdn.ac.uk>
Diffstat (limited to 'kernel/test_kprobes.c')
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