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![]() When the core networking needs to detect the transport offset in a given packet and parse it explicitly, a full-blown flow_keys struct is used for storage. This patch introduces a smaller keys store, rework the basic flow dissect helper to use it, and apply this new helper where possible - namely in skb_probe_transport_header(). The used flow dissector data structures are renamed to match more closely the new role. The above gives ~50% performance improvement in micro benchmarking around skb_probe_transport_header() and ~30% around eth_get_headlen(), mostly due to the smaller memset. Small, but measurable improvement is measured also in macro benchmarking. v1 -> v2: use the new helper in eth_get_headlen() and skb_get_poff(), as per DaveM suggestion Suggested-by: David Miller <davem@davemloft.net> Signed-off-by: Paolo Abeni <pabeni@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net> |
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.. | ||
datagram.c | ||
dev.c | ||
dev_addr_lists.c | ||
dev_ioctl.c | ||
devlink.c | ||
drop_monitor.c | ||
dst.c | ||
dst_cache.c | ||
ethtool.c | ||
fib_notifier.c | ||
fib_rules.c | ||
filter.c | ||
flow_dissector.c | ||
gen_estimator.c | ||
gen_stats.c | ||
gro_cells.c | ||
hwbm.c | ||
link_watch.c | ||
lwt_bpf.c | ||
lwtunnel.c | ||
Makefile | ||
neighbour.c | ||
net-procfs.c | ||
net-sysfs.c | ||
net-sysfs.h | ||
net-traces.c | ||
net_namespace.c | ||
netclassid_cgroup.c | ||
netevent.c | ||
netpoll.c | ||
netprio_cgroup.c | ||
page_pool.c | ||
pktgen.c | ||
ptp_classifier.c | ||
request_sock.c | ||
rtnetlink.c | ||
scm.c | ||
secure_seq.c | ||
skbuff.c | ||
sock.c | ||
sock_diag.c | ||
sock_reuseport.c | ||
stream.c | ||
sysctl_net_core.c | ||
timestamping.c | ||
tso.c | ||
utils.c | ||
xdp.c |