I’d like to see one of the existing RSTP test cases modified to use this new feature.
One more comment below, Jarno > On Mar 31, 2017, at 8:11 PM, nickcooper-zhangtonghao <n...@opencloud.tech> > wrote: > > The rstp/show command will help users and developers to > get more details about rstp. This patch works together with > the previous patches. > > Signed-off-by: nickcooper-zhangtonghao <n...@opencloud.tech> > --- > NEWS | 4 +- > lib/rstp.c | 113 +++++++++++++++++++++++++++++++++++++++++++-- > lib/rstp.h | 2 +- > vswitchd/ovs-vswitchd.8.in | 11 ++++- > 4 files changed, 123 insertions(+), 7 deletions(-) > > diff --git a/NEWS b/NEWS > index 00c9106..a28b8da 100644 > --- a/NEWS > +++ b/NEWS > @@ -15,7 +15,9 @@ Post-v2.7.0 > "dot1q-tunnel" port VLAN mode. > - OVN: > * Make the DHCPv4 router setting optional. > - - Add the command 'ovs-appctl stp/show' (see ovs-vswitchd(8)). > + - STP/RSTP > + * Add the command 'ovs-appctl stp/show' and 'ovs-appctl rstp/show' > + (see ovs-vswitchd(8)). > > v2.7.0 - 21 Feb 2017 > --------------------- > diff --git a/lib/rstp.c b/lib/rstp.c > index b942f6e..7a4f1ea 100644 > --- a/lib/rstp.c > +++ b/lib/rstp.c > @@ -120,6 +120,10 @@ static void rstp_port_set_mcheck__(struct rstp_port *, > bool mcheck) > OVS_REQUIRES(rstp_mutex); > static void reinitialize_port__(struct rstp_port *p) > OVS_REQUIRES(rstp_mutex); > +static void rstp_unixctl_tcn(struct unixctl_conn *, int argc, > + const char *argv[], void *aux); > +static void rstp_unixctl_show(struct unixctl_conn *, int argc, > + const char *argv[], void *aux); > > const char * > rstp_state_name(enum rstp_state state) > @@ -208,9 +212,6 @@ rstp_port_get_number(const struct rstp_port *p) > return number; > } > > -static void rstp_unixctl_tcn(struct unixctl_conn *, int argc, > - const char *argv[], void *aux); > - > /* Decrements the State Machines' timers. */ > void > rstp_tick_timers(struct rstp *rstp) > @@ -246,6 +247,8 @@ rstp_init(void) > > unixctl_command_register("rstp/tcn", "[bridge]", 0, 1, > rstp_unixctl_tcn, > NULL); > + unixctl_command_register("rstp/show", "[bridge]", 0, 1, > + rstp_unixctl_show, NULL); > ovsthread_once_done(&once); > } > } > @@ -1398,7 +1401,7 @@ rstp_get_designated_root(const struct rstp *rstp) > * there is no such port. > */ > struct rstp_port * > -rstp_get_root_port(struct rstp *rstp) > +rstp_get_root_port(const struct rstp *rstp) > OVS_EXCLUDED(rstp_mutex) > { > struct rstp_port *p; > @@ -1545,3 +1548,105 @@ rstp_unixctl_tcn(struct unixctl_conn *conn, int argc, > out: > ovs_mutex_unlock(&rstp_mutex); > } > + > +static void > +rstp_bridge_id_details(struct ds *ds, const rstp_identifier bridge_id, > + const uint16_t hello_time, const uint16_t max_age, > + const uint16_t forward_delay) > + OVS_REQUIRES(rstp_mutex) > +{ > + uint16_t priority = bridge_id >> 48; > + ds_put_format(ds, "\tstp-priority\t%"PRIu16"\n", priority); > + > + struct eth_addr mac; > + const uint64_t mac_bits = (UINT64_C(1) << 48) - 1; > + eth_addr_from_uint64(bridge_id & mac_bits, &mac); > + ds_put_format(ds, "\tstp-system-id\t"ETH_ADDR_FMT"\n", > ETH_ADDR_ARGS(mac)); > + ds_put_format(ds, "\tstp-hello-time\t%"PRIu16"s\n", hello_time); > + ds_put_format(ds, "\tstp-max-age\t%"PRIu16"s\n", max_age); > + ds_put_format(ds, "\tstp-fwd-delay\t%"PRIu16"s\n", forward_delay); > +} > + > +static void > +rstp_print_details(struct ds *ds, const struct rstp *rstp) > + OVS_REQUIRES(rstp_mutex) > +{ > + ds_put_format(ds, "---- %s ----\n", rstp->name); > + ds_put_cstr(ds, "Root ID:\n"); > + > + bool is_root = rstp_is_root_bridge(rstp); > + struct rstp_port *p = rstp_get_root_port(rstp); > + > + rstp_identifier bridge_id = > + is_root ? rstp->bridge_identifier : rstp_get_root_id(rstp); > + uint16_t hello_time = > + is_root ? rstp->bridge_hello_time : p->designated_times.hello_time; > + uint16_t max_age = > + is_root ? rstp->bridge_max_age : p->designated_times.max_age; > + uint16_t forward_delay = > + is_root ? rstp->bridge_forward_delay : > p->designated_times.forward_delay; > + > + rstp_bridge_id_details(ds, bridge_id, hello_time, max_age, > forward_delay); > + if (is_root) { > + ds_put_cstr(ds, "\tThis bridge is the root\n"); > + } else { > + ds_put_format(ds, "\troot-port\t%s\n", p->port_name); > + ds_put_format(ds, "\troot-path-cost\t%u\n", > + rstp_get_root_path_cost(rstp)); > + } > + ds_put_cstr(ds, "\n"); > + > + ds_put_cstr(ds, "Bridge ID:\n"); > + rstp_bridge_id_details(ds, rstp->bridge_identifier, > + rstp->bridge_hello_time, > + rstp->bridge_max_age, > + rstp->bridge_forward_delay); > + ds_put_cstr(ds, "\n"); > + > + ds_put_format(ds, "\t%-11.10s%-11.10s%-11.10s%-9.8s%-8.7s\n", > + "Interface", "Role", "State", "Cost", "Pri.Nbr"); > + ds_put_cstr(ds, "\t---------- ---------- ---------- -------- -------\n"); > + HMAP_FOR_EACH (p, node, &rstp->ports) { > + if (p->rstp_state != RSTP_DISABLED) { > + ds_put_format(ds, "\t%-11.10s", p->port_name); ‘port_name’ is initialized as NULL in patch 5/6. Is it possible that it is still NULL when this function is called? > + ds_put_format(ds, "%-11.10s", rstp_port_role_name(p->role)); > + ds_put_format(ds, "%-11.10s", rstp_state_name(p->rstp_state)); > + ds_put_format(ds, "%-9d", p->port_path_cost); > + ds_put_format(ds, "%d.%d\n", p->priority, p->port_number); > + } > + } > + > + ds_put_cstr(ds, "\n"); > +} > + > +static void > +rstp_unixctl_show(struct unixctl_conn *conn, int argc, > + const char *argv[], void *aux OVS_UNUSED) > + OVS_EXCLUDED(rstp_mutex) > +{ > + struct ds ds = DS_EMPTY_INITIALIZER; > + > + ovs_mutex_lock(&rstp_mutex); > + if (argc > 1) { > + struct rstp *rstp = rstp_find(argv[1]); > + > + if (!rstp) { > + unixctl_command_reply_error(conn, "No such RSTP object"); > + goto out; > + } > + > + rstp_print_details(&ds, rstp); > + } else { > + struct rstp *rstp; > + > + LIST_FOR_EACH (rstp, node, all_rstps) { > + rstp_print_details(&ds, rstp); > + } > + } > + > + unixctl_command_reply(conn, ds_cstr(&ds)); > + ds_destroy(&ds); > + > +out: > + ovs_mutex_unlock(&rstp_mutex); > +} > diff --git a/lib/rstp.h b/lib/rstp.h > index fa67e3c..75c7d37 100644 > --- a/lib/rstp.h > +++ b/lib/rstp.h > @@ -201,7 +201,7 @@ uint16_t rstp_get_designated_port_id(const struct rstp *) > OVS_EXCLUDED(rstp_mutex); > uint16_t rstp_get_bridge_port_id(const struct rstp *) > OVS_EXCLUDED(rstp_mutex); > -struct rstp_port * rstp_get_root_port(struct rstp *) > +struct rstp_port * rstp_get_root_port(const struct rstp *) > OVS_EXCLUDED(rstp_mutex); > rstp_identifier rstp_get_designated_root(const struct rstp *) > OVS_EXCLUDED(rstp_mutex); > diff --git a/vswitchd/ovs-vswitchd.8.in b/vswitchd/ovs-vswitchd.8.in > index 8496aa6..7bbec05 100644 > --- a/vswitchd/ovs-vswitchd.8.in > +++ b/vswitchd/ovs-vswitchd.8.in > @@ -138,12 +138,21 @@ interfaces if none is given) to be \fIstatus\fR. > \fIstatus\fR can be > .IP "\fBstp/tcn\fR [\fIbridge\fR]" > Forces a topology change event on \fIbridge\fR if it's running STP. This > may cause it to send Topology Change Notifications to its peers and flush > -its MAC table.. If no \fIbridge\fR is given, forces a topology change > +its MAC table. If no \fIbridge\fR is given, forces a topology change > event on all bridges. > .IP "\fBstp/show\fR [\fIbridge\fR]" > Displays detailed information about spanning tree on the \fIbridge\fR. If > \fIbridge\fR is not specified, then displays detailed information about all > bridges with STP enabled. > +.IP "\fBrstp/tcn\fR [\fIbridge\fR]" > +Forces a topology change event on \fIbridge\fR if it's running RSTP. This > +may cause it to send Topology Change Notifications to its peers and flush > +its MAC table. If no \fIbridge\fR is given, forces a topology change > +event on all bridges. > +.IP "\fBrstp/show\fR [\fIbridge\fR]" > +Displays detailed information about rapid spanning tree on the \fIbridge\fR. > +If \fIbridge\fR is not specified, then displays detailed information about > all > +bridges with RSTP enabled. > .SS "BRIDGE COMMANDS" > These commands manage bridges. > .IP "\fBfdb/flush\fR [\fIbridge\fR]" > -- > 1.8.3.1 > > > > _______________________________________________ > dev mailing list > d...@openvswitch.org > https://mail.openvswitch.org/mailman/listinfo/ovs-dev _______________________________________________ dev mailing list d...@openvswitch.org https://mail.openvswitch.org/mailman/listinfo/ovs-dev