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swconfig: parse "switch_vlan" before "switch_port"

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Before this change UCI sections of both types were parsed in order as
specified in UCI. That didn't work well with all drivers (e.g. b53).

It seems that VLAN setup can reset / overwrite previously set ports
parameters. It resulted in "switch_port" options defined above
"switch_vlan"s being silently ignored.

Ideally swconfig & all drivers should be improved to handle that
properly but it'd be a waste of time at this point as DSA replaces
swconfig. Use this minor parsing change as a quick fix.

Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
This commit is contained in:
Rafał Miłecki 2022-04-05 08:49:58 +02:00
parent c4b499bc03
commit d75bb744ea
1 changed files with 33 additions and 26 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

59
package/network/config/swconfig/src/uci.c
View File

@ -164,32 +164,7 @@ found:
struct uci_element *os;
s = uci_to_section(e);
if (!strcmp(s->type, "switch_port")) {
char *devn = NULL, *port = NULL, *port_err = NULL;
int port_n;
uci_foreach_element(&s->options, os) {
o = uci_to_option(os);
if (o->type != UCI_TYPE_STRING)
continue;
if (!strcmp(os->name, "device")) {
devn = o->v.string;
if (!swlib_match_name(dev, devn))
devn = NULL;
} else if (!strcmp(os->name, "port")) {
port = o->v.string;
}
}
if (!devn || !port || !port[0])
continue;
port_n = strtoul(port, &port_err, 0);
if (port_err && port_err[0])
continue;
swlib_map_settings(dev, SWLIB_ATTR_GROUP_PORT, port_n, s);
} else if (!strcmp(s->type, "switch_vlan")) {
if (!strcmp(s->type, "switch_vlan")) {
char *devn = NULL, *vlan = NULL, *vlan_err = NULL;
int vlan_n;
@ -216,6 +191,38 @@ found:
swlib_map_settings(dev, SWLIB_ATTR_GROUP_VLAN, vlan_n, s);
}
}
uci_foreach_element(&p->sections, e) {
struct uci_element *os;
char *devn = NULL, *port = NULL, *port_err = NULL;
int port_n;
s = uci_to_section(e);
if (strcmp(s->type, "switch_port"))
continue;
uci_foreach_element(&s->options, os) {
o = uci_to_option(os);
if (o->type != UCI_TYPE_STRING)
continue;
if (!strcmp(os->name, "device")) {
devn = o->v.string;
if (!swlib_match_name(dev, devn))
devn = NULL;
} else if (!strcmp(os->name, "port")) {
port = o->v.string;
}
}
if (!devn || !port || !port[0])
continue;
port_n = strtoul(port, &port_err, 0);
if (port_err && port_err[0])
continue;
swlib_map_settings(dev, SWLIB_ATTR_GROUP_PORT, port_n, s);
}
for (i = 0; i < ARRAY_SIZE(early_settings); i++) {
struct swlib_setting *st = &early_settings[i];