netfilter: conntrack: handle builtin l4proto packet functions via direct calls

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The l4 protocol trackers are invoked via indirect call: l4proto->packet().

With one exception (gre), all l4trackers are builtin, so we can make
.packet optional and use a direct call for most protocols.

Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>

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This commit is contained in:

Florian Westphal 2019-01-15 22:03:32 +01:00 • committed by Pablo Neira Ayuso

parent 75dd48e2e4

commit a47c540481

8 changed files with 113 additions and 44 deletions

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37

include/net/netfilter/nf_conntrack_l4proto.h

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45

net/netfilter/nf_conntrack_core.c

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8

net/netfilter/nf_conntrack_proto_dccp.c

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12

net/netfilter/nf_conntrack_proto_icmp.c

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10

net/netfilter/nf_conntrack_proto_icmpv6.c

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12

net/netfilter/nf_conntrack_proto_sctp.c

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11

net/netfilter/nf_conntrack_proto_tcp.c

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22

net/netfilter/nf_conntrack_proto_udp.c

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