From: Vladimir Oltean <olteanv@gmail.com> To: Jakub Kicinski <kuba@kernel.org>, "David S. Miller" <davem@davemloft.net> Cc: Andrew Lunn <andrew@lunn.ch>, Vivien Didelot <vivien.didelot@gmail.com>, Florian Fainelli <f.fainelli@gmail.com>, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, bridge@lists.linux-foundation.org, Roopa Prabhu <roopa@nvidia.com>, Nikolay Aleksandrov <nikolay@nvidia.com>, Jiri Pirko <jiri@resnulli.us>, Ido Schimmel <idosch@idosch.org>, Claudiu Manoil <claudiu.manoil@nxp.com>, Alexandre Belloni <alexandre.belloni@bootlin.com>, UNGLinuxDriver@microchip.com, Vadym Kochan <vkochan@marvell.com>, Taras Chornyi <tchornyi@marvell.com>, Grygorii Strashko <grygorii.strashko@ti.com>, Ioana Ciornei <ioana.ciornei@nxp.com>, Ivan Vecera <ivecera@redhat.com>, linux-omap@vger.kernel.org Subject: [PATCH v4 net-next 3/9] net: bridge: don't print in br_switchdev_set_port_flag Date: Fri, 12 Feb 2021 03:05:25 +0200 [thread overview] Message-ID: <20210212010531.2722925-4-olteanv@gmail.com> (raw) In-Reply-To: <20210212010531.2722925-1-olteanv@gmail.com> From: Vladimir Oltean <vladimir.oltean@nxp.com> For the netlink interface, propagate errors through extack rather than simply printing them to the console. For the sysfs interface, we still print to the console, but at least that's one layer higher than in switchdev, which also allows us to silently ignore the offloading of flags if that is ever needed in the future. Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com> --- Changes in v4: - Adjust the commit message now that we aren't notifying initial and final port flags from the bridge any longer. Changes in v3: - Deal with the br_switchdev_set_port_flag call from sysfs too. Changes in v2: - br_set_port_flag now returns void, so no extack there. - don't overwrite extack in br_switchdev_set_port_flag if already populated. net/bridge/br_netlink.c | 9 +++++---- net/bridge/br_private.h | 6 ++++-- net/bridge/br_switchdev.c | 13 +++++++------ net/bridge/br_sysfs_if.c | 7 +++++-- 4 files changed, 21 insertions(+), 14 deletions(-) diff --git a/net/bridge/br_netlink.c b/net/bridge/br_netlink.c index bf469f824944..7b513c5d347f 100644 --- a/net/bridge/br_netlink.c +++ b/net/bridge/br_netlink.c @@ -866,7 +866,8 @@ static void br_set_port_flag(struct net_bridge_port *p, struct nlattr *tb[], } /* Process bridge protocol info on port */ -static int br_setport(struct net_bridge_port *p, struct nlattr *tb[]) +static int br_setport(struct net_bridge_port *p, struct nlattr *tb[], + struct netlink_ext_ack *extack) { unsigned long old_flags, changed_mask; bool br_vlan_tunnel_old; @@ -894,7 +895,7 @@ static int br_setport(struct net_bridge_port *p, struct nlattr *tb[]) changed_mask = old_flags ^ p->flags; - err = br_switchdev_set_port_flag(p, p->flags, changed_mask); + err = br_switchdev_set_port_flag(p, p->flags, changed_mask, extack); if (err) { p->flags = old_flags; return err; @@ -1007,7 +1008,7 @@ int br_setlink(struct net_device *dev, struct nlmsghdr *nlh, u16 flags, return err; spin_lock_bh(&p->br->lock); - err = br_setport(p, tb); + err = br_setport(p, tb, extack); spin_unlock_bh(&p->br->lock); } else { /* Binary compatibility with old RSTP */ @@ -1102,7 +1103,7 @@ static int br_port_slave_changelink(struct net_device *brdev, return 0; spin_lock_bh(&br->lock); - ret = br_setport(br_port_get_rtnl(dev), data); + ret = br_setport(br_port_get_rtnl(dev), data, extack); spin_unlock_bh(&br->lock); return ret; diff --git a/net/bridge/br_private.h b/net/bridge/br_private.h index d242ba668e47..a1639d41188b 100644 --- a/net/bridge/br_private.h +++ b/net/bridge/br_private.h @@ -1575,7 +1575,8 @@ bool nbp_switchdev_allowed_egress(const struct net_bridge_port *p, const struct sk_buff *skb); int br_switchdev_set_port_flag(struct net_bridge_port *p, unsigned long flags, - unsigned long mask); + unsigned long mask, + struct netlink_ext_ack *extack); void br_switchdev_fdb_notify(const struct net_bridge_fdb_entry *fdb, int type); int br_switchdev_port_vlan_add(struct net_device *dev, u16 vid, u16 flags, @@ -1605,7 +1606,8 @@ static inline bool nbp_switchdev_allowed_egress(const struct net_bridge_port *p, static inline int br_switchdev_set_port_flag(struct net_bridge_port *p, unsigned long flags, - unsigned long mask) + unsigned long mask, + struct netlink_ext_ack *extack) { return 0; } diff --git a/net/bridge/br_switchdev.c b/net/bridge/br_switchdev.c index 6a9db6aa5c04..bb21dd35ae85 100644 --- a/net/bridge/br_switchdev.c +++ b/net/bridge/br_switchdev.c @@ -60,7 +60,8 @@ bool nbp_switchdev_allowed_egress(const struct net_bridge_port *p, int br_switchdev_set_port_flag(struct net_bridge_port *p, unsigned long flags, - unsigned long mask) + unsigned long mask, + struct netlink_ext_ack *extack) { struct switchdev_attr attr = { .orig_dev = p->dev, @@ -79,14 +80,15 @@ int br_switchdev_set_port_flag(struct net_bridge_port *p, /* We run from atomic context here */ err = call_switchdev_notifiers(SWITCHDEV_PORT_ATTR_SET, p->dev, - &info.info, NULL); + &info.info, extack); err = notifier_to_errno(err); if (err == -EOPNOTSUPP) return 0; if (err) { - br_warn(p->br, "bridge flag offload is not supported %u(%s)\n", - (unsigned int)p->port_no, p->dev->name); + if (extack && !extack->_msg) + NL_SET_ERR_MSG_MOD(extack, + "bridge flag offload is not supported"); return -EOPNOTSUPP; } @@ -96,8 +98,7 @@ int br_switchdev_set_port_flag(struct net_bridge_port *p, err = switchdev_port_attr_set(p->dev, &attr); if (err) { - br_warn(p->br, "error setting offload flag on port %u(%s)\n", - (unsigned int)p->port_no, p->dev->name); + NL_SET_ERR_MSG_MOD(extack, "error setting offload flag on port"); return err; } diff --git a/net/bridge/br_sysfs_if.c b/net/bridge/br_sysfs_if.c index 5aea9427ffe1..72e92376eef1 100644 --- a/net/bridge/br_sysfs_if.c +++ b/net/bridge/br_sysfs_if.c @@ -59,6 +59,7 @@ static BRPORT_ATTR(_name, 0644, \ static int store_flag(struct net_bridge_port *p, unsigned long v, unsigned long mask) { + struct netlink_ext_ack extack = {0}; unsigned long flags = p->flags; int err; @@ -68,9 +69,11 @@ static int store_flag(struct net_bridge_port *p, unsigned long v, flags &= ~mask; if (flags != p->flags) { - err = br_switchdev_set_port_flag(p, flags, mask); - if (err) + err = br_switchdev_set_port_flag(p, flags, mask, &extack); + if (err) { + netdev_err(p->dev, "%s\n", extack._msg); return err; + } p->flags = flags; br_port_flags_change(p, mask); -- 2.25.1
WARNING: multiple messages have this Message-ID (diff)
From: Vladimir Oltean <olteanv@gmail.com> To: Jakub Kicinski <kuba@kernel.org>, "David S. Miller" <davem@davemloft.net> Cc: Ivan Vecera <ivecera@redhat.com>, Andrew Lunn <andrew@lunn.ch>, Alexandre Belloni <alexandre.belloni@bootlin.com>, Florian Fainelli <f.fainelli@gmail.com>, Jiri Pirko <jiri@resnulli.us>, Vadym Kochan <vkochan@marvell.com>, netdev@vger.kernel.org, bridge@lists.linux-foundation.org, Ioana Ciornei <ioana.ciornei@nxp.com>, linux-kernel@vger.kernel.org, UNGLinuxDriver@microchip.com, Taras Chornyi <tchornyi@marvell.com>, Ido Schimmel <idosch@idosch.org>, Claudiu Manoil <claudiu.manoil@nxp.com>, Grygorii Strashko <grygorii.strashko@ti.com>, Nikolay Aleksandrov <nikolay@nvidia.com>, Roopa Prabhu <roopa@nvidia.com>, linux-omap@vger.kernel.org, Vivien Didelot <vivien.didelot@gmail.com> Subject: [Bridge] [PATCH v4 net-next 3/9] net: bridge: don't print in br_switchdev_set_port_flag Date: Fri, 12 Feb 2021 03:05:25 +0200 [thread overview] Message-ID: <20210212010531.2722925-4-olteanv@gmail.com> (raw) In-Reply-To: <20210212010531.2722925-1-olteanv@gmail.com> From: Vladimir Oltean <vladimir.oltean@nxp.com> For the netlink interface, propagate errors through extack rather than simply printing them to the console. For the sysfs interface, we still print to the console, but at least that's one layer higher than in switchdev, which also allows us to silently ignore the offloading of flags if that is ever needed in the future. Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com> --- Changes in v4: - Adjust the commit message now that we aren't notifying initial and final port flags from the bridge any longer. Changes in v3: - Deal with the br_switchdev_set_port_flag call from sysfs too. Changes in v2: - br_set_port_flag now returns void, so no extack there. - don't overwrite extack in br_switchdev_set_port_flag if already populated. net/bridge/br_netlink.c | 9 +++++---- net/bridge/br_private.h | 6 ++++-- net/bridge/br_switchdev.c | 13 +++++++------ net/bridge/br_sysfs_if.c | 7 +++++-- 4 files changed, 21 insertions(+), 14 deletions(-) diff --git a/net/bridge/br_netlink.c b/net/bridge/br_netlink.c index bf469f824944..7b513c5d347f 100644 --- a/net/bridge/br_netlink.c +++ b/net/bridge/br_netlink.c @@ -866,7 +866,8 @@ static void br_set_port_flag(struct net_bridge_port *p, struct nlattr *tb[], } /* Process bridge protocol info on port */ -static int br_setport(struct net_bridge_port *p, struct nlattr *tb[]) +static int br_setport(struct net_bridge_port *p, struct nlattr *tb[], + struct netlink_ext_ack *extack) { unsigned long old_flags, changed_mask; bool br_vlan_tunnel_old; @@ -894,7 +895,7 @@ static int br_setport(struct net_bridge_port *p, struct nlattr *tb[]) changed_mask = old_flags ^ p->flags; - err = br_switchdev_set_port_flag(p, p->flags, changed_mask); + err = br_switchdev_set_port_flag(p, p->flags, changed_mask, extack); if (err) { p->flags = old_flags; return err; @@ -1007,7 +1008,7 @@ int br_setlink(struct net_device *dev, struct nlmsghdr *nlh, u16 flags, return err; spin_lock_bh(&p->br->lock); - err = br_setport(p, tb); + err = br_setport(p, tb, extack); spin_unlock_bh(&p->br->lock); } else { /* Binary compatibility with old RSTP */ @@ -1102,7 +1103,7 @@ static int br_port_slave_changelink(struct net_device *brdev, return 0; spin_lock_bh(&br->lock); - ret = br_setport(br_port_get_rtnl(dev), data); + ret = br_setport(br_port_get_rtnl(dev), data, extack); spin_unlock_bh(&br->lock); return ret; diff --git a/net/bridge/br_private.h b/net/bridge/br_private.h index d242ba668e47..a1639d41188b 100644 --- a/net/bridge/br_private.h +++ b/net/bridge/br_private.h @@ -1575,7 +1575,8 @@ bool nbp_switchdev_allowed_egress(const struct net_bridge_port *p, const struct sk_buff *skb); int br_switchdev_set_port_flag(struct net_bridge_port *p, unsigned long flags, - unsigned long mask); + unsigned long mask, + struct netlink_ext_ack *extack); void br_switchdev_fdb_notify(const struct net_bridge_fdb_entry *fdb, int type); int br_switchdev_port_vlan_add(struct net_device *dev, u16 vid, u16 flags, @@ -1605,7 +1606,8 @@ static inline bool nbp_switchdev_allowed_egress(const struct net_bridge_port *p, static inline int br_switchdev_set_port_flag(struct net_bridge_port *p, unsigned long flags, - unsigned long mask) + unsigned long mask, + struct netlink_ext_ack *extack) { return 0; } diff --git a/net/bridge/br_switchdev.c b/net/bridge/br_switchdev.c index 6a9db6aa5c04..bb21dd35ae85 100644 --- a/net/bridge/br_switchdev.c +++ b/net/bridge/br_switchdev.c @@ -60,7 +60,8 @@ bool nbp_switchdev_allowed_egress(const struct net_bridge_port *p, int br_switchdev_set_port_flag(struct net_bridge_port *p, unsigned long flags, - unsigned long mask) + unsigned long mask, + struct netlink_ext_ack *extack) { struct switchdev_attr attr = { .orig_dev = p->dev, @@ -79,14 +80,15 @@ int br_switchdev_set_port_flag(struct net_bridge_port *p, /* We run from atomic context here */ err = call_switchdev_notifiers(SWITCHDEV_PORT_ATTR_SET, p->dev, - &info.info, NULL); + &info.info, extack); err = notifier_to_errno(err); if (err == -EOPNOTSUPP) return 0; if (err) { - br_warn(p->br, "bridge flag offload is not supported %u(%s)\n", - (unsigned int)p->port_no, p->dev->name); + if (extack && !extack->_msg) + NL_SET_ERR_MSG_MOD(extack, + "bridge flag offload is not supported"); return -EOPNOTSUPP; } @@ -96,8 +98,7 @@ int br_switchdev_set_port_flag(struct net_bridge_port *p, err = switchdev_port_attr_set(p->dev, &attr); if (err) { - br_warn(p->br, "error setting offload flag on port %u(%s)\n", - (unsigned int)p->port_no, p->dev->name); + NL_SET_ERR_MSG_MOD(extack, "error setting offload flag on port"); return err; } diff --git a/net/bridge/br_sysfs_if.c b/net/bridge/br_sysfs_if.c index 5aea9427ffe1..72e92376eef1 100644 --- a/net/bridge/br_sysfs_if.c +++ b/net/bridge/br_sysfs_if.c @@ -59,6 +59,7 @@ static BRPORT_ATTR(_name, 0644, \ static int store_flag(struct net_bridge_port *p, unsigned long v, unsigned long mask) { + struct netlink_ext_ack extack = {0}; unsigned long flags = p->flags; int err; @@ -68,9 +69,11 @@ static int store_flag(struct net_bridge_port *p, unsigned long v, flags &= ~mask; if (flags != p->flags) { - err = br_switchdev_set_port_flag(p, flags, mask); - if (err) + err = br_switchdev_set_port_flag(p, flags, mask, &extack); + if (err) { + netdev_err(p->dev, "%s\n", extack._msg); return err; + } p->flags = flags; br_port_flags_change(p, mask); -- 2.25.1
next prev parent reply other threads:[~2021-02-12 1:07 UTC|newest] Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-02-12 1:05 [PATCH v4 net-next 0/9] Cleanup in brport flags switchdev offload for DSA Vladimir Oltean 2021-02-12 1:05 ` [Bridge] " Vladimir Oltean 2021-02-12 1:05 ` [PATCH v4 net-next 1/9] net: switchdev: propagate extack to port attributes Vladimir Oltean 2021-02-12 1:05 ` [Bridge] " Vladimir Oltean 2021-02-12 3:20 ` Florian Fainelli 2021-02-12 3:20 ` [Bridge] " Florian Fainelli 2021-02-12 1:05 ` [PATCH v4 net-next 2/9] net: bridge: offload all port flags at once in br_setport Vladimir Oltean 2021-02-12 1:05 ` [Bridge] " Vladimir Oltean 2021-02-12 1:05 ` Vladimir Oltean [this message] 2021-02-12 1:05 ` [Bridge] [PATCH v4 net-next 3/9] net: bridge: don't print in br_switchdev_set_port_flag Vladimir Oltean 2021-02-12 1:05 ` [PATCH v4 net-next 4/9] net: dsa: configure better brport flags when ports leave the bridge Vladimir Oltean 2021-02-12 1:05 ` [Bridge] " Vladimir Oltean 2021-02-12 1:05 ` [PATCH v4 net-next 5/9] net: switchdev: pass flags and mask to both {PRE_,}BRIDGE_FLAGS attributes Vladimir Oltean 2021-02-12 1:05 ` [Bridge] [PATCH v4 net-next 5/9] net: switchdev: pass flags and mask to both {PRE_, }BRIDGE_FLAGS attributes Vladimir Oltean 2021-02-12 1:05 ` [PATCH v4 net-next 6/9] net: dsa: act as ass passthrough for bridge port flags Vladimir Oltean 2021-02-12 1:05 ` [Bridge] " Vladimir Oltean 2021-02-12 8:36 ` Vladimir Oltean 2021-02-12 8:36 ` [Bridge] " Vladimir Oltean 2021-02-12 1:05 ` [PATCH v4 net-next 7/9] net: mscc: ocelot: use separate flooding PGID for broadcast Vladimir Oltean 2021-02-12 1:05 ` [Bridge] " Vladimir Oltean 2021-02-12 12:23 ` Vladimir Oltean 2021-02-12 12:23 ` [Bridge] " Vladimir Oltean 2021-02-12 1:05 ` [PATCH v4 net-next 8/9] net: mscc: ocelot: offload bridge port flags to device Vladimir Oltean 2021-02-12 1:05 ` [Bridge] " Vladimir Oltean 2021-02-12 1:05 ` [PATCH v4 net-next 9/9] net: dsa: sja1105: " Vladimir Oltean 2021-02-12 1:05 ` [Bridge] " Vladimir Oltean 2021-02-12 14:17 ` [PATCH v4 net-next 0/9] Cleanup in brport flags switchdev offload for DSA Grygorii Strashko 2021-02-12 14:31 ` Vignesh Raghavendra 2021-02-12 14:31 ` [Bridge] " Vignesh Raghavendra 2021-02-12 14:40 ` Vladimir Oltean 2021-02-12 14:40 ` [Bridge] " Vladimir Oltean 2021-02-16 11:22 ` Vignesh Raghavendra 2021-02-16 11:22 ` [Bridge] " Vignesh Raghavendra
Reply instructions: You may reply publicly to this message via plain-text email using any one of the following methods: * Save the following mbox file, import it into your mail client, and reply-to-all from there: mbox Avoid top-posting and favor interleaved quoting: https://en.wikipedia.org/wiki/Posting_style#Interleaved_style * Reply using the --to, --cc, and --in-reply-to switches of git-send-email(1): git send-email \ --in-reply-to=20210212010531.2722925-4-olteanv@gmail.com \ --to=olteanv@gmail.com \ --cc=UNGLinuxDriver@microchip.com \ --cc=alexandre.belloni@bootlin.com \ --cc=andrew@lunn.ch \ --cc=bridge@lists.linux-foundation.org \ --cc=claudiu.manoil@nxp.com \ --cc=davem@davemloft.net \ --cc=f.fainelli@gmail.com \ --cc=grygorii.strashko@ti.com \ --cc=idosch@idosch.org \ --cc=ioana.ciornei@nxp.com \ --cc=ivecera@redhat.com \ --cc=jiri@resnulli.us \ --cc=kuba@kernel.org \ --cc=linux-kernel@vger.kernel.org \ --cc=linux-omap@vger.kernel.org \ --cc=netdev@vger.kernel.org \ --cc=nikolay@nvidia.com \ --cc=roopa@nvidia.com \ --cc=tchornyi@marvell.com \ --cc=vivien.didelot@gmail.com \ --cc=vkochan@marvell.com \ /path/to/YOUR_REPLY https://kernel.org/pub/software/scm/git/docs/git-send-email.html * If your mail client supports setting the In-Reply-To header via mailto: links, try the mailto: linkBe sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes, see mirroring instructions on how to clone and mirror all data and code used by this external index.