From: Donald Hunter <donald.hunter@gmail•com>
To: netdev@vger•kernel.org, Jakub Kicinski <kuba@kernel•org>,
"David S. Miller" <davem@davemloft•net>,
Eric Dumazet <edumazet@google•com>,
Paolo Abeni <pabeni@redhat•com>
Cc: donald.hunter@redhat•com, Donald Hunter <donald.hunter@gmail•com>
Subject: [PATCH net-next v2 3/6] tools: ynl: Add array-nest attr decoding to ynl
Date: Sun, 19 Mar 2023 19:38:00 +0000 [thread overview]
Message-ID: <20230319193803.97453-4-donald.hunter@gmail.com> (raw)
In-Reply-To: <20230319193803.97453-1-donald.hunter@gmail.com>
Add support for decoding nested arrays of scalars in netlink messages.
Signed-off-by: Donald Hunter <donald.hunter@gmail•com>
---
tools/net/ynl/lib/ynl.py | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/tools/net/ynl/lib/ynl.py b/tools/net/ynl/lib/ynl.py
index 32536e1f9064..077ba9e8dc98 100644
--- a/tools/net/ynl/lib/ynl.py
+++ b/tools/net/ynl/lib/ynl.py
@@ -93,6 +93,10 @@ class NlAttr:
def as_bin(self):
return self.raw
+ def as_array(self, type):
+ format, _ = self.type_formats[type]
+ return list({ x[0] for x in struct.iter_unpack(format, self.raw) })
+
def __repr__(self):
return f"[type:{self.type} len:{self._len}] {self.raw}"
@@ -381,6 +385,8 @@ class YnlFamily(SpecFamily):
decoded = attr.as_bin()
elif attr_spec["type"] == 'flag':
decoded = True
+ elif attr_spec["type"] == 'array-nest':
+ decoded = attr.as_array(attr_spec["sub-type"])
else:
raise Exception(f'Unknown {attr.type} {attr_spec["name"]} {attr_spec["type"]}')
--
2.39.0
next prev parent reply other threads:[~2023-03-19 19:38 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-03-19 19:37 [PATCH net-next v2 0/6] ynl: add support for user headers and struct attrs Donald Hunter
2023-03-19 19:37 ` [PATCH net-next v2 1/6] tools: ynl: Fix genlmsg header encoding formats Donald Hunter
2023-03-19 19:37 ` [PATCH net-next v2 2/6] tools: ynl: Add struct parsing to nlspec Donald Hunter
2023-03-22 5:22 ` Jakub Kicinski
2023-03-22 11:38 ` Donald Hunter
2023-03-22 18:25 ` Jakub Kicinski
2023-03-19 19:38 ` Donald Hunter [this message]
2023-03-22 5:18 ` [PATCH net-next v2 3/6] tools: ynl: Add array-nest attr decoding to ynl Jakub Kicinski
2023-03-22 11:27 ` Donald Hunter
2023-03-22 18:27 ` Jakub Kicinski
2023-03-19 19:38 ` [PATCH net-next v2 4/6] tools: ynl: Add struct " Donald Hunter
2023-03-22 5:30 ` Jakub Kicinski
2023-03-22 11:48 ` Donald Hunter
2023-03-22 18:37 ` Jakub Kicinski
2023-03-22 22:06 ` Donald Hunter
2023-03-19 19:38 ` [PATCH net-next v2 5/6] tools: ynl: Add fixed-header support " Donald Hunter
2023-03-22 5:34 ` Jakub Kicinski
2023-03-22 11:54 ` Donald Hunter
2023-03-19 19:38 ` [PATCH net-next v2 6/6] netlink: specs: add partial specification for openvswitch Donald Hunter
2023-03-23 3:50 ` [PATCH net-next v2 0/6] ynl: add support for user headers and struct attrs patchwork-bot+netdevbpf
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