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net: dsa: check tx timestamp request in core driver

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Check tx timestamp request in core driver at very beginning of
dsa_skb_tx_timestamp(), so that most skbs not requiring tx
timestamp just return. And drop such checking in device drivers.

Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>
Tested-by: Kurt Kanzenbach <kurt@linutronix.de>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Acked-by: Richard Cochran <richardcochran@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Yangbo Lu 2021-04-27 12:21:57 +08:00 committed by David S. Miller
parent 23c9c2b314
commit cfd12c06cd
4 changed files with 4 additions and 9 deletions
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4
drivers/net/dsa/hirschmann/hellcreek_hwtstamp.c
View File

@ -382,10 +382,6 @@ bool hellcreek_port_txtstamp(struct dsa_switch *ds, int port,
ps = &hellcreek->ports[port].port_hwtstamp;
/* Check if the driver is expected to do HW timestamping */
if (!(skb_shinfo(clone)->tx_flags & SKBTX_HW_TSTAMP))
return false;
/* Make sure the message is a PTP message that needs to be timestamped
* and the interaction with the HW timestamping is enabled. If not, stop
* here

3
drivers/net/dsa/mv88e6xxx/hwtstamp.c
View File

@ -475,9 +475,6 @@ bool mv88e6xxx_port_txtstamp(struct dsa_switch *ds, int port,
struct mv88e6xxx_port_hwtstamp *ps = &chip->port_hwtstamp[port];
struct ptp_header *hdr;
if (!(skb_shinfo(clone)->tx_flags & SKBTX_HW_TSTAMP))
return false;
hdr = mv88e6xxx_should_tstamp(chip, port, clone, type);
if (!hdr)
return false;

3
drivers/net/dsa/ocelot/felix.c
View File

@ -1401,8 +1401,7 @@ static bool felix_txtstamp(struct dsa_switch *ds, int port,
struct ocelot *ocelot = ds->priv;
struct ocelot_port *ocelot_port = ocelot->ports[port];
if (ocelot->ptp && (skb_shinfo(clone)->tx_flags & SKBTX_HW_TSTAMP) &&
ocelot_port->ptp_cmd == IFH_REW_OP_TWO_STEP_PTP) {
if (ocelot->ptp && ocelot_port->ptp_cmd == IFH_REW_OP_TWO_STEP_PTP) {
ocelot_port_add_txtstamp_skb(ocelot, port, clone);
return true;
}

3
net/dsa/slave.c
View File

@ -559,6 +559,9 @@ static void dsa_skb_tx_timestamp(struct dsa_slave_priv *p,
struct sk_buff *clone;
unsigned int type;
if (!(skb_shinfo(skb)->tx_flags & SKBTX_HW_TSTAMP))
return;
type = ptp_classify_raw(skb);
if (type == PTP_CLASS_NONE)
return;