Message ID | 1335775148-5191-1-git-send-email-Joakim.Tjernlund@transmode.se |
---|---|
State | Rejected, archived |
Delegated to: | David Miller |
Headers | show |
On Mon, 30 Apr 2012 10:39:08 +0200 Joakim Tjernlund <Joakim.Tjernlund@transmode.se> wrote: > My brctl showstp br0 always shows a 0 port id: > eth2 (1) > port id 0 state disabled > designated root 8000.00069c00b2fb path cost 100 > > because port id is printed as a hex number in sys fs. Change the > two hex occurrences(port no and port id) to decimal, just like all > the other numbers in this area. > > Signed-off-by: Joakim Tjernlund <Joakim.Tjernlund@transmode.se> > --- > net/bridge/br_sysfs_if.c | 4 ++-- > 1 files changed, 2 insertions(+), 2 deletions(-) > > diff --git a/net/bridge/br_sysfs_if.c b/net/bridge/br_sysfs_if.c > index fd5799c..9c4c2eb 100644 > --- a/net/bridge/br_sysfs_if.c > +++ b/net/bridge/br_sysfs_if.c > @@ -86,13 +86,13 @@ static BRPORT_ATTR(designated_cost, S_IRUGO, show_designated_cost, NULL); > > static ssize_t show_port_id(struct net_bridge_port *p, char *buf) > { > - return sprintf(buf, "0x%x\n", p->port_id); > + return sprintf(buf, "%d\n", p->port_id); > } > static BRPORT_ATTR(port_id, S_IRUGO, show_port_id, NULL); > > static ssize_t show_port_no(struct net_bridge_port *p, char *buf) > { > - return sprintf(buf, "0x%x\n", p->port_no); > + return sprintf(buf, "%d\n", p->port_no); > } > > static BRPORT_ATTR(port_no, S_IRUGO, show_port_no, NULL); No. This would be a visible change to applications. The bridge utilities should be fixed instead. -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
Stephen Hemminger <shemminger@vyatta.com> wrote on 2012/04/30 18:07:47: > > On Mon, 30 Apr 2012 10:39:08 +0200 > Joakim Tjernlund <Joakim.Tjernlund@transmode.se> wrote: > > > My brctl showstp br0 always shows a 0 port id: > > eth2 (1) > > port id 0 state disabled > > designated root 8000.00069c00b2fb path cost 100 > > > > because port id is printed as a hex number in sys fs. Change the > > two hex occurrences(port no and port id) to decimal, just like all > > the other numbers in this area. > > > > Signed-off-by: Joakim Tjernlund <Joakim.Tjernlund@transmode.se> > > --- > > net/bridge/br_sysfs_if.c | 4 ++-- > > 1 files changed, 2 insertions(+), 2 deletions(-) > > > > diff --git a/net/bridge/br_sysfs_if.c b/net/bridge/br_sysfs_if.c > > index fd5799c..9c4c2eb 100644 > > --- a/net/bridge/br_sysfs_if.c > > +++ b/net/bridge/br_sysfs_if.c > > @@ -86,13 +86,13 @@ static BRPORT_ATTR(designated_cost, S_IRUGO, show_designated_cost, NULL); > > > > static ssize_t show_port_id(struct net_bridge_port *p, char *buf) > > { > > - return sprintf(buf, "0x%x\n", p->port_id); > > + return sprintf(buf, "%d\n", p->port_id); > > } > > static BRPORT_ATTR(port_id, S_IRUGO, show_port_id, NULL); > > > > static ssize_t show_port_no(struct net_bridge_port *p, char *buf) > > { > > - return sprintf(buf, "0x%x\n", p->port_no); > > + return sprintf(buf, "%d\n", p->port_no); > > } > > > > static BRPORT_ATTR(port_no, S_IRUGO, show_port_no, NULL); > > No. This would be a visible change to applications. > The bridge utilities should be fixed instead. Well, my reasoning was that if not the native tools got this right, what are the chances that other apps got it right? I don't know any other apps than brctl using this info, do you? We could check one or two apps to see what they do. Jocke -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
On Tue, 1 May 2012 16:38:34 +0200 Joakim Tjernlund <joakim.tjernlund@transmode.se> wrote: > Stephen Hemminger <shemminger@vyatta.com> wrote on 2012/04/30 18:07:47: > > > > On Mon, 30 Apr 2012 10:39:08 +0200 > > Joakim Tjernlund <Joakim.Tjernlund@transmode.se> wrote: > > > > > My brctl showstp br0 always shows a 0 port id: > > > eth2 (1) > > > port id 0 state disabled > > > designated root 8000.00069c00b2fb path cost 100 > > > > > > because port id is printed as a hex number in sys fs. Change the > > > two hex occurrences(port no and port id) to decimal, just like all > > > the other numbers in this area. > > > > > > Signed-off-by: Joakim Tjernlund <Joakim.Tjernlund@transmode.se> > > > --- > > > net/bridge/br_sysfs_if.c | 4 ++-- > > > 1 files changed, 2 insertions(+), 2 deletions(-) > > > > > > diff --git a/net/bridge/br_sysfs_if.c b/net/bridge/br_sysfs_if.c > > > index fd5799c..9c4c2eb 100644 > > > --- a/net/bridge/br_sysfs_if.c > > > +++ b/net/bridge/br_sysfs_if.c > > > @@ -86,13 +86,13 @@ static BRPORT_ATTR(designated_cost, S_IRUGO, show_designated_cost, NULL); > > > > > > static ssize_t show_port_id(struct net_bridge_port *p, char *buf) > > > { > > > - return sprintf(buf, "0x%x\n", p->port_id); > > > + return sprintf(buf, "%d\n", p->port_id); > > > } > > > static BRPORT_ATTR(port_id, S_IRUGO, show_port_id, NULL); > > > > > > static ssize_t show_port_no(struct net_bridge_port *p, char *buf) > > > { > > > - return sprintf(buf, "0x%x\n", p->port_no); > > > + return sprintf(buf, "%d\n", p->port_no); > > > } > > > > > > static BRPORT_ATTR(port_no, S_IRUGO, show_port_no, NULL); > > > > No. This would be a visible change to applications. > > The bridge utilities should be fixed instead. > > Well, my reasoning was that if not the native tools got this right, what are the > chances that other apps got it right? I don't know any other apps than > brctl using this info, do you? We could check one or two apps to see what they do. Unfortunately, that isn't really possible. API's get very hard to change safely. It isn't worth the effort. -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
On Tue, 1 May 2012 16:38:34 +0200 Joakim Tjernlund <joakim.tjernlund@transmode.se> wrote: > Stephen Hemminger <shemminger@vyatta.com> wrote on 2012/04/30 18:07:47: > > > > On Mon, 30 Apr 2012 10:39:08 +0200 > > Joakim Tjernlund <Joakim.Tjernlund@transmode.se> wrote: > > > > > My brctl showstp br0 always shows a 0 port id: > > > eth2 (1) > > > port id 0 state disabled > > > designated root 8000.00069c00b2fb path cost 100 > > > > > > because port id is printed as a hex number in sys fs. Change the > > > two hex occurrences(port no and port id) to decimal, just like all > > > the other numbers in this area. > > > > > > Signed-off-by: Joakim Tjernlund <Joakim.Tjernlund@transmode.se> > > > --- > > > net/bridge/br_sysfs_if.c | 4 ++-- > > > 1 files changed, 2 insertions(+), 2 deletions(-) > > > > > > diff --git a/net/bridge/br_sysfs_if.c b/net/bridge/br_sysfs_if.c > > > index fd5799c..9c4c2eb 100644 > > > --- a/net/bridge/br_sysfs_if.c > > > +++ b/net/bridge/br_sysfs_if.c > > > @@ -86,13 +86,13 @@ static BRPORT_ATTR(designated_cost, S_IRUGO, show_designated_cost, NULL); > > > > > > static ssize_t show_port_id(struct net_bridge_port *p, char *buf) > > > { > > > - return sprintf(buf, "0x%x\n", p->port_id); > > > + return sprintf(buf, "%d\n", p->port_id); > > > } > > > static BRPORT_ATTR(port_id, S_IRUGO, show_port_id, NULL); > > > > > > static ssize_t show_port_no(struct net_bridge_port *p, char *buf) > > > { > > > - return sprintf(buf, "0x%x\n", p->port_no); > > > + return sprintf(buf, "%d\n", p->port_no); > > > } > > > > > > static BRPORT_ATTR(port_no, S_IRUGO, show_port_no, NULL); > > > > No. This would be a visible change to applications. > > The bridge utilities should be fixed instead. > > Well, my reasoning was that if not the native tools got this right, what are the > chances that other apps got it right? I don't know any other apps than > brctl using this info, do you? We could check one or two apps to see what they do. > > Jocke > Current bridge-utils does not have the issue. It has been fixed for 5 years. The problem was fixed by: commit 0397c6aa48769505e6aa4481f0786c8f4eaaf890 Author: Jeremy Jackson <jerj@coplanar.net> Date: Tue May 8 11:10:34 2007 -0700 I've noticed for a while that output is showing 0 for port_no and port_id It seems that somewhere in 2.6 sysfs land the following items got printed in hexadecimal, and brctl code was parsing for decimal only doug:/sys/class/net/eth0/brport# cat port_id 0x8001 doug:/sys/class/net/eth0/brport# cat port_no 0x1 -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
Stephen Hemminger <shemminger@vyatta.com> wrote on 2012/05/01 19:39:55: > > > Stephen Hemminger <shemminger@vyatta.com> wrote on 2012/04/30 18:07:47: > > > > > > On Mon, 30 Apr 2012 10:39:08 +0200 > > > Joakim Tjernlund <Joakim.Tjernlund@transmode.se> wrote: > > > > > > > My brctl showstp br0 always shows a 0 port id: > > > > eth2 (1) > > > > port id 0 state disabled > > > > designated root 8000.00069c00b2fb path cost 100 > > > > > > > > because port id is printed as a hex number in sys fs. Change the > > > > two hex occurrences(port no and port id) to decimal, just like all > > > > the other numbers in this area. > > > > > > > > Signed-off-by: Joakim Tjernlund <Joakim.Tjernlund@transmode.se> > > > > --- > > > > net/bridge/br_sysfs_if.c | 4 ++-- > > > > 1 files changed, 2 insertions(+), 2 deletions(-) > > > > > > > > diff --git a/net/bridge/br_sysfs_if.c b/net/bridge/br_sysfs_if.c > > > > index fd5799c..9c4c2eb 100644 > > > > --- a/net/bridge/br_sysfs_if.c > > > > +++ b/net/bridge/br_sysfs_if.c > > > > @@ -86,13 +86,13 @@ static BRPORT_ATTR(designated_cost, S_IRUGO, show_designated_cost, NULL); > > > > > > > > static ssize_t show_port_id(struct net_bridge_port *p, char *buf) > > > > { > > > > - return sprintf(buf, "0x%x\n", p->port_id); > > > > + return sprintf(buf, "%d\n", p->port_id); > > > > } > > > > static BRPORT_ATTR(port_id, S_IRUGO, show_port_id, NULL); > > > > > > > > static ssize_t show_port_no(struct net_bridge_port *p, char *buf) > > > > { > > > > - return sprintf(buf, "0x%x\n", p->port_no); > > > > + return sprintf(buf, "%d\n", p->port_no); > > > > } > > > > > > > > static BRPORT_ATTR(port_no, S_IRUGO, show_port_no, NULL); > > > > > > No. This would be a visible change to applications. > > > The bridge utilities should be fixed instead. > > > > Well, my reasoning was that if not the native tools got this right, what are the > > chances that other apps got it right? I don't know any other apps than > > brctl using this info, do you? We could check one or two apps to see what they do. > > > > Jocke > > > > Current bridge-utils does not have the issue. It has been fixed > for 5 years. The problem was fixed by: > > commit 0397c6aa48769505e6aa4481f0786c8f4eaaf890 > Author: Jeremy Jackson <jerj@coplanar.net> > Date: Tue May 8 11:10:34 2007 -0700 > > I've noticed for a while that > > output is showing 0 for port_no and port_id > > It seems that somewhere in 2.6 sysfs land the following items got > printed in hexadecimal, and brctl code was parsing for decimal only > > doug:/sys/class/net/eth0/brport# cat port_id > 0x8001 > doug:/sys/class/net/eth0/brport# cat port_no > 0x1 Yeah, just noticed that too. On our embedded board we have the release just before that fix :( Jocke -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
On Tue, 1 May 2012 19:47:33 +0200 Joakim Tjernlund <joakim.tjernlund@transmode.se> wrote: > Stephen Hemminger <shemminger@vyatta.com> wrote on 2012/05/01 19:39:55: > > > > > Stephen Hemminger <shemminger@vyatta.com> wrote on 2012/04/30 18:07:47: > > > > > > > > On Mon, 30 Apr 2012 10:39:08 +0200 > > > > Joakim Tjernlund <Joakim.Tjernlund@transmode.se> wrote: > > > > > > > > > My brctl showstp br0 always shows a 0 port id: > > > > > eth2 (1) > > > > > port id 0 state disabled > > > > > designated root 8000.00069c00b2fb path cost 100 > > > > > > > > > > because port id is printed as a hex number in sys fs. Change the > > > > > two hex occurrences(port no and port id) to decimal, just like all > > > > > the other numbers in this area. > > > > > > > > > > Signed-off-by: Joakim Tjernlund <Joakim.Tjernlund@transmode.se> > > > > > --- > > > > > net/bridge/br_sysfs_if.c | 4 ++-- > > > > > 1 files changed, 2 insertions(+), 2 deletions(-) > > > > > > > > > > diff --git a/net/bridge/br_sysfs_if.c b/net/bridge/br_sysfs_if.c > > > > > index fd5799c..9c4c2eb 100644 > > > > > --- a/net/bridge/br_sysfs_if.c > > > > > +++ b/net/bridge/br_sysfs_if.c > > > > > @@ -86,13 +86,13 @@ static BRPORT_ATTR(designated_cost, S_IRUGO, show_designated_cost, NULL); > > > > > > > > > > static ssize_t show_port_id(struct net_bridge_port *p, char *buf) > > > > > { > > > > > - return sprintf(buf, "0x%x\n", p->port_id); > > > > > + return sprintf(buf, "%d\n", p->port_id); > > > > > } > > > > > static BRPORT_ATTR(port_id, S_IRUGO, show_port_id, NULL); > > > > > > > > > > static ssize_t show_port_no(struct net_bridge_port *p, char *buf) > > > > > { > > > > > - return sprintf(buf, "0x%x\n", p->port_no); > > > > > + return sprintf(buf, "%d\n", p->port_no); > > > > > } > > > > > > > > > > static BRPORT_ATTR(port_no, S_IRUGO, show_port_no, NULL); > > > > > > > > No. This would be a visible change to applications. > > > > The bridge utilities should be fixed instead. > > > > > > Well, my reasoning was that if not the native tools got this right, what are the > > > chances that other apps got it right? I don't know any other apps than > > > brctl using this info, do you? We could check one or two apps to see what they do. > > > > > > Jocke > > > > > > > Current bridge-utils does not have the issue. It has been fixed > > for 5 years. The problem was fixed by: > > > > commit 0397c6aa48769505e6aa4481f0786c8f4eaaf890 > > Author: Jeremy Jackson <jerj@coplanar.net> > > Date: Tue May 8 11:10:34 2007 -0700 > > > > I've noticed for a while that > > > > output is showing 0 for port_no and port_id > > > > It seems that somewhere in 2.6 sysfs land the following items got > > printed in hexadecimal, and brctl code was parsing for decimal only > > > > doug:/sys/class/net/eth0/brport# cat port_id > > 0x8001 > > doug:/sys/class/net/eth0/brport# cat port_no > > 0x1 > > > Yeah, just noticed that too. On our embedded board we have the release just before that fix :( I couldnt help remembering... Spock: I am endeavoring, ma'am, to construct a mnemonic memory circuit using stone knives and bearskins. -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/net/bridge/br_sysfs_if.c b/net/bridge/br_sysfs_if.c index fd5799c..9c4c2eb 100644 --- a/net/bridge/br_sysfs_if.c +++ b/net/bridge/br_sysfs_if.c @@ -86,13 +86,13 @@ static BRPORT_ATTR(designated_cost, S_IRUGO, show_designated_cost, NULL); static ssize_t show_port_id(struct net_bridge_port *p, char *buf) { - return sprintf(buf, "0x%x\n", p->port_id); + return sprintf(buf, "%d\n", p->port_id); } static BRPORT_ATTR(port_id, S_IRUGO, show_port_id, NULL); static ssize_t show_port_no(struct net_bridge_port *p, char *buf) { - return sprintf(buf, "0x%x\n", p->port_no); + return sprintf(buf, "%d\n", p->port_no); } static BRPORT_ATTR(port_no, S_IRUGO, show_port_no, NULL);
My brctl showstp br0 always shows a 0 port id: eth2 (1) port id 0 state disabled designated root 8000.00069c00b2fb path cost 100 because port id is printed as a hex number in sys fs. Change the two hex occurrences(port no and port id) to decimal, just like all the other numbers in this area. Signed-off-by: Joakim Tjernlund <Joakim.Tjernlund@transmode.se> --- net/bridge/br_sysfs_if.c | 4 ++-- 1 files changed, 2 insertions(+), 2 deletions(-)