[net-next,v2,2/7] net: dsa: no longer identify PTP packet in core driver

Message ID	20210426093802.38652-3-yangbo.lu@nxp.com
State	Superseded
Headers	show Return-Path: <netdev-owner@kernel.org> From: Yangbo Lu <yangbo.lu@nxp.com> To: netdev@vger.kernel.org Cc: Yangbo Lu <yangbo.lu@nxp.com>, Richard Cochran <richardcochran@gmail.com>, Vladimir Oltean <vladimir.oltean@nxp.com>, "David S . Miller" <davem@davemloft.net>, Jakub Kicinski <kuba@kernel.org>, Jonathan Corbet <corbet@lwn.net>, Kurt Kanzenbach <kurt@linutronix.de>, Andrew Lunn <andrew@lunn.ch>, Vivien Didelot <vivien.didelot@gmail.com>, Florian Fainelli <f.fainelli@gmail.com>, Claudiu Manoil <claudiu.manoil@nxp.com>, Alexandre Belloni <alexandre.belloni@bootlin.com>, UNGLinuxDriver@microchip.com, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [net-next, v2, 2/7] net: dsa: no longer identify PTP packet in core driver Date: Mon, 26 Apr 2021 17:37:57 +0800 Message-Id: <20210426093802.38652-3-yangbo.lu@nxp.com> In-Reply-To: <20210426093802.38652-1-yangbo.lu@nxp.com> References: <20210426093802.38652-1-yangbo.lu@nxp.com> Precedence: bulk
Series	Support Ocelot PTP Sync one-step timestamping \| expand [net-next,v2,0/7] Support Ocelot PTP Sync one-step timestamping [net-next,v2,1/7] net: dsa: check tx timestamp request in core driver [net-next,v2,2/7] net: dsa: no longer identify PTP packet in core driver [net-next,v2,3/7] net: dsa: free skb->cb usage in core driver [net-next,v2,4/7] net: dsa: no longer clone skb in core driver [net-next,v2,5/7] docs: networking: timestamping: update for DSA switches [net-next,v2,6/7] net: mscc: ocelot: convert to ocelot_port_txtstamp_request() [net-next,v2,7/7] net: mscc: ocelot: support PTP Sync one-step timestamping

diff --git a/drivers/net/dsa/hirschmann/hellcreek_hwtstamp.c b/drivers/net/dsa/hirschmann/hellcreek_hwtstamp.c index 6ba5e2333066..5b2e023468fe 100644 --- a/drivers/net/dsa/hirschmann/hellcreek_hwtstamp.c +++ b/drivers/net/dsa/hirschmann/hellcreek_hwtstamp.c @@ -374,14 +374,19 @@ long hellcreek_hwtstamp_work(struct ptp_clock_info *ptp) } bool hellcreek_port_txtstamp(struct dsa_switch *ds, int port, - struct sk_buff *clone, unsigned int type) + struct sk_buff *clone) { struct hellcreek *hellcreek = ds->priv; struct hellcreek_port_hwtstamp *ps; struct ptp_header *hdr; + unsigned int type; ps = &hellcreek->ports[port].port_hwtstamp; + type = ptp_classify_raw(clone); + if (type == PTP_CLASS_NONE) + 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 diff --git a/drivers/net/dsa/hirschmann/hellcreek_hwtstamp.h b/drivers/net/dsa/hirschmann/hellcreek_hwtstamp.h index c0745ffa1ebb..728cd5dc650f 100644 --- a/drivers/net/dsa/hirschmann/hellcreek_hwtstamp.h +++ b/drivers/net/dsa/hirschmann/hellcreek_hwtstamp.h @@ -45,7 +45,7 @@ int hellcreek_port_hwtstamp_get(struct dsa_switch *ds, int port, bool hellcreek_port_rxtstamp(struct dsa_switch *ds, int port, struct sk_buff *clone, unsigned int type); bool hellcreek_port_txtstamp(struct dsa_switch *ds, int port, - struct sk_buff *clone, unsigned int type); + struct sk_buff *clone); int hellcreek_get_ts_info(struct dsa_switch *ds, int port, struct ethtool_ts_info *info); diff --git a/drivers/net/dsa/mv88e6xxx/hwtstamp.c b/drivers/net/dsa/mv88e6xxx/hwtstamp.c index 05ca1d3c6498..79514a54d903 100644 --- a/drivers/net/dsa/mv88e6xxx/hwtstamp.c +++ b/drivers/net/dsa/mv88e6xxx/hwtstamp.c @@ -469,11 +469,16 @@ long mv88e6xxx_hwtstamp_work(struct ptp_clock_info *ptp) } bool mv88e6xxx_port_txtstamp(struct dsa_switch *ds, int port, - struct sk_buff *clone, unsigned int type) + struct sk_buff *clone) { struct mv88e6xxx_chip *chip = ds->priv; struct mv88e6xxx_port_hwtstamp *ps = &chip->port_hwtstamp[port]; struct ptp_header *hdr; + unsigned int type; + + type = ptp_classify_raw(clone); + if (type == PTP_CLASS_NONE) + return false; hdr = mv88e6xxx_should_tstamp(chip, port, clone, type); if (!hdr) diff --git a/drivers/net/dsa/mv88e6xxx/hwtstamp.h b/drivers/net/dsa/mv88e6xxx/hwtstamp.h index 9da9f197ba02..91fbc7838fc8 100644 --- a/drivers/net/dsa/mv88e6xxx/hwtstamp.h +++ b/drivers/net/dsa/mv88e6xxx/hwtstamp.h @@ -118,7 +118,7 @@ int mv88e6xxx_port_hwtstamp_get(struct dsa_switch *ds, int port, bool mv88e6xxx_port_rxtstamp(struct dsa_switch *ds, int port, struct sk_buff *clone, unsigned int type); bool mv88e6xxx_port_txtstamp(struct dsa_switch *ds, int port, - struct sk_buff *clone, unsigned int type); + struct sk_buff *clone); int mv88e6xxx_get_ts_info(struct dsa_switch *ds, int port, struct ethtool_ts_info *info); @@ -152,8 +152,7 @@ static inline bool mv88e6xxx_port_rxtstamp(struct dsa_switch *ds, int port, } static inline bool mv88e6xxx_port_txtstamp(struct dsa_switch *ds, int port, - struct sk_buff *clone, - unsigned int type) + struct sk_buff *clone) { return false; } diff --git a/drivers/net/dsa/ocelot/felix.c b/drivers/net/dsa/ocelot/felix.c index 1379f86d71ec..d679f023dc00 100644 --- a/drivers/net/dsa/ocelot/felix.c +++ b/drivers/net/dsa/ocelot/felix.c @@ -1396,7 +1396,7 @@ static bool felix_rxtstamp(struct dsa_switch *ds, int port, } static bool felix_txtstamp(struct dsa_switch *ds, int port, - struct sk_buff *clone, unsigned int type) + struct sk_buff *clone) { struct ocelot *ocelot = ds->priv; struct ocelot_port *ocelot_port = ocelot->ports[port]; diff --git a/drivers/net/dsa/sja1105/sja1105_ptp.c b/drivers/net/dsa/sja1105/sja1105_ptp.c index 1b90570b257b..72d052de82d8 100644 --- a/drivers/net/dsa/sja1105/sja1105_ptp.c +++ b/drivers/net/dsa/sja1105/sja1105_ptp.c @@ -435,8 +435,7 @@ bool sja1105_port_rxtstamp(struct dsa_switch *ds, int port, * the skb and have it available in DSA_SKB_CB in the .port_deferred_xmit * callback, where we will timestamp it synchronously. */ -bool sja1105_port_txtstamp(struct dsa_switch *ds, int port, - struct sk_buff *skb, unsigned int type) +bool sja1105_port_txtstamp(struct dsa_switch *ds, int port, struct sk_buff *skb) { struct sja1105_private *priv = ds->priv; struct sja1105_port *sp = &priv->ports[port]; diff --git a/drivers/net/dsa/sja1105/sja1105_ptp.h b/drivers/net/dsa/sja1105/sja1105_ptp.h index 3daa33e98e77..c70c4729a06d 100644 --- a/drivers/net/dsa/sja1105/sja1105_ptp.h +++ b/drivers/net/dsa/sja1105/sja1105_ptp.h @@ -105,7 +105,7 @@ bool sja1105_port_rxtstamp(struct dsa_switch *ds, int port, struct sk_buff *skb, unsigned int type); bool sja1105_port_txtstamp(struct dsa_switch *ds, int port, - struct sk_buff *skb, unsigned int type); + struct sk_buff *skb); int sja1105_hwtstamp_get(struct dsa_switch *ds, int port, struct ifreq *ifr); diff --git a/include/net/dsa.h b/include/net/dsa.h index 507082959aa4..905066055b08 100644 --- a/include/net/dsa.h +++ b/include/net/dsa.h @@ -741,7 +741,7 @@ struct dsa_switch_ops { int (*port_hwtstamp_set)(struct dsa_switch *ds, int port, struct ifreq *ifr); bool (*port_txtstamp)(struct dsa_switch *ds, int port, - struct sk_buff *clone, unsigned int type); + struct sk_buff *clone); bool (*port_rxtstamp)(struct dsa_switch *ds, int port, struct sk_buff *skb, unsigned int type); diff --git a/net/dsa/slave.c b/net/dsa/slave.c index b2a802e9330e..acaa52e60d7f 100644 --- a/net/dsa/slave.c +++ b/net/dsa/slave.c @@ -20,7 +20,6 @@ #include <linux/if_bridge.h> #include <linux/if_hsr.h> #include <linux/netpoll.h> -#include <linux/ptp_classify.h> #include "dsa_priv.h" @@ -557,15 +556,10 @@ static void dsa_skb_tx_timestamp(struct dsa_slave_priv *p, { struct dsa_switch *ds = p->dp->ds; 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; - if (!ds->ops->port_txtstamp) return; @@ -573,7 +567,7 @@ static void dsa_skb_tx_timestamp(struct dsa_slave_priv *p, if (!clone) return; - if (ds->ops->port_txtstamp(ds, p->dp->index, clone, type)) { + if (ds->ops->port_txtstamp(ds, p->dp->index, clone)) { DSA_SKB_CB(skb)->clone = clone; return; } @@ -632,9 +626,7 @@ static netdev_tx_t dsa_slave_xmit(struct sk_buff *skb, struct net_device *dev) DSA_SKB_CB(skb)->clone = NULL; - /* Identify PTP protocol packets, clone them, and pass them to the - * switch driver - */ + /* Handle tx timestamp if any */ dsa_skb_tx_timestamp(p, skb); if (dsa_realloc_skb(skb, dev)) {

[net-next,v2,2/7] net: dsa: no longer identify PTP packet in core driver

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