[v3,1/3] wireless-regdb: allow NO-INDOOR flag in db.txt

Commit Message

Ping-Ke Shih Feb. 19, 2025, 2:34 a.m. UTC

From: Ping-Ke Shih <[e-mail]>

For certain regulations, frequency range is outdoor only, which flag should
be NO-INDOOR, but db2fw.py doesn't allow this flag.

As suggestion, only fill NO-INDOOR flag in db.txt, but ignore this rule
in parsing to binary.

Suggested-by: Johannes Berg <[e-mail]>
Link: https://lore.kernel.org/linux-wireless/[e-mail]/T/#t
Signed-off-by: Ping-Ke Shih <[e-mail]>
---
v3:
 - new introduction by v3
---
 dbparse.py | 8 ++++++++
 1 file changed, 8 insertions(+)

Patch

diff --git a/dbparse.py b/dbparse.py
index cc5012bc05bd..450406ff1b34 100755
--- a/dbparse.py
+++ b/dbparse.py
@@ -121,6 +121,9 @@  class FlagError(Exception):
     def __init__(self, flag):
         self.flag = flag
 
+class IgnoreRule(Exception):
+    pass
+
 @total_ordering
 class Permission(object):
     def __init__(self, freqband, power, flags, wmmrule):
@@ -134,6 +137,9 @@  class Permission(object):
         for flag in flags:
             if not flag in flag_definitions:
                 raise FlagError(flag)
+            # skip rule with NO-INDOOR so that kernel doesn't need special deal.
+            if flag == 'NO-INDOOR':
+                raise IgnoreRule()
             self.flags |= flag_definitions[flag]
         self.textflags = flags
 
@@ -429,6 +435,8 @@  class DBParser(object):
             perm = Permission(b, p, flags, w)
         except FlagError as e:
             self._syntax_error("Invalid flag '%s'" % e.flag)
+        except IgnoreRule:
+            return
         for cname, c in self._current_countries.items():
             if perm in c:
                 self._warn('Rule "%s, %s" added to "%s" twice' % (