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5c5416f5d4
linux/net/dsa
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Yangbo Lu 5c5416f5d4 net: dsa: no longer clone skb in core driver 
It was a waste to clone skb directly in dsa_skb_tx_timestamp().
For one-step timestamping, a clone was not needed. For any failure of
port_txtstamp (this may usually happen), the skb clone had to be freed.

So this patch moves skb cloning for tx timestamp out of dsa core, and
let drivers clone skb in port_txtstamp if they really need.

Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>
Tested-by: Kurt Kanzenbach <kurt@linutronix.de>
Acked-by: Richard Cochran <richardcochran@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2021-04-27 14:10:15 -07:00
..
dsa2.c net: dsa: Allow default tag protocol to be overridden from DT 2021-04-20 16:51:20 -07:00
dsa_priv.h net: dsa: sync up switchdev objects and port attributes when joining the bridge 2021-03-23 14:49:06 -07:00
dsa.c net: dsa: allow changing the tag protocol via the "tagging" device attribute 2021-01-29 21:24:39 -08:00
Kconfig net: dsa: enable selftest support for all switches by default 2021-04-20 16:08:02 -07:00
Makefile net: dsa: add a second tagger for Ocelot switches based on tag_8021q 2021-01-29 21:25:27 -08:00
master.c net: dsa: allow changing the tag protocol via the "tagging" device attribute 2021-01-29 21:24:39 -08:00
port.c net: dsa: fix bridge support for drivers without port_bridge_flags callback 2021-04-21 10:47:27 -07:00
slave.c net: dsa: no longer clone skb in core driver 2021-04-27 14:10:15 -07:00
switch.c net: dsa: Only notify CPU ports of changes to the tag protocol 2021-04-20 16:51:19 -07:00
tag_8021q.c net: dsa: tag_8021q: add helpers to deduce whether a VLAN ID is RX or TX VLAN 2021-01-29 21:24:30 -08:00
tag_ar9331.c net: dsa: tag_ar9331: let DSA core deal with TX reallocation 2020-11-02 17:41:17 -08:00
tag_brcm.c net: dsa: tag_brcm: add support for legacy tags 2021-03-17 12:24:36 -07:00
tag_dsa.c net: dsa: tag_dsa: Support reception of packets from LAG devices 2021-01-14 17:11:56 -08:00
tag_gswip.c net: dsa: tag_gswip: let DSA core deal with TX reallocation 2020-11-02 17:41:16 -08:00
tag_hellcreek.c net: dsa: tag_hellcreek: Cleanup includes 2020-11-23 16:57:21 -08:00
tag_ksz.c net: dsa: tag_ksz: don't allocate additional memory for padding/tagging 2020-11-02 17:41:16 -08:00
tag_lan9303.c net: dsa: tag_lan9303: let DSA core deal with TX reallocation 2020-11-02 17:41:16 -08:00
tag_mtk.c net: dsa: mt7530: support MDB and bridge flag operations 2021-03-16 11:54:41 -07:00
tag_ocelot_8021q.c net: dsa: tag_ocelot_8021q: add support for PTP timestamping 2021-02-14 17:31:44 -08:00
tag_ocelot.c net: ocelot: Remove ocelot_xfh_get_cpuq 2021-03-16 15:49:52 -07:00
tag_qca.c net: dsa: tag_qca: let DSA core deal with TX reallocation 2020-11-02 17:41:16 -08:00
tag_rtl4_a.c net: dsa: Fix a typo in tag_rtl4_a.c 2021-03-25 17:05:08 -07:00
tag_sja1105.c net: dsa: tag_sja1105: use a custom flow dissector procedure 2020-09-26 14:17:59 -07:00
tag_trailer.c net: dsa: trailer: don't allocate additional memory for padding/tagging 2020-11-02 17:41:16 -08:00
tag_xrs700x.c net: dsa: xrs700x: add HSR offloading support 2021-02-11 13:24:45 -08:00