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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 2/6] tools: ynl: Add struct parsing to nlspec
Date: Sun, 19 Mar 2023 19:37:59 +0000	[thread overview]
Message-ID: <20230319193803.97453-3-donald.hunter@gmail.com> (raw)
In-Reply-To: <20230319193803.97453-1-donald.hunter@gmail.com>

Add python classes for struct definitions to nlspec

Signed-off-by: Donald Hunter <donald.hunter@gmail•com>
---
 tools/net/ynl/lib/nlspec.py | 42 +++++++++++++++++++++++++++++++++++++
 1 file changed, 42 insertions(+)

diff --git a/tools/net/ynl/lib/nlspec.py b/tools/net/ynl/lib/nlspec.py
index d04450c2a44a..5ac2dfd415c5 100644
--- a/tools/net/ynl/lib/nlspec.py
+++ b/tools/net/ynl/lib/nlspec.py
@@ -214,6 +214,43 @@ class SpecAttrSet(SpecElement):
         return self.attrs.items()
 
 
+class SpecStructMember(SpecElement):
+    """Struct member attribute
+
+    Represents a single struct member attribute.
+
+    Attributes:
+        type    string, kernel type of the member attribute
+    """
+    def __init__(self, family, yaml):
+        super().__init__(family, yaml)
+        self.type = yaml['type']
+
+class SpecStruct(SpecElement):
+    """Netlink struct type
+
+    Represents a C struct definition.
+
+    Attributes:
+        members   ordered list of struct members
+    """
+    def __init__(self, family, yaml):
+        super().__init__(family, yaml)
+
+        self.members = []
+        for member in yaml.get('members', []):
+            self.members.append(self.new_member(family, member))
+
+    def new_member(self, family, elem):
+        return SpecStructMember(family, elem)
+
+    def __iter__(self):
+        yield from self.members
+
+    def items(self):
+        return self.members.items()
+
+
 class SpecOperation(SpecElement):
     """Netlink Operation
 
@@ -344,6 +381,9 @@ class SpecFamily(SpecElement):
     def new_attr_set(self, elem):
         return SpecAttrSet(self, elem)
 
+    def new_struct(self, elem):
+        return SpecStruct(self, elem)
+
     def new_operation(self, elem, req_val, rsp_val):
         return SpecOperation(self, elem, req_val, rsp_val)
 
@@ -399,6 +439,8 @@ class SpecFamily(SpecElement):
         for elem in definitions:
             if elem['type'] == 'enum' or elem['type'] == 'flags':
                 self.consts[elem['name']] = self.new_enum(elem)
+            elif elem['type'] == 'struct':
+                self.consts[elem['name']] = self.new_struct(elem)
             else:
                 self.consts[elem['name']] = elem
 
-- 
2.39.0


  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 ` Donald Hunter [this message]
2023-03-22  5:22   ` [PATCH net-next v2 2/6] tools: ynl: Add struct parsing to nlspec Jakub Kicinski
2023-03-22 11:38     ` Donald Hunter
2023-03-22 18:25       ` Jakub Kicinski
2023-03-19 19:38 ` [PATCH net-next v2 3/6] tools: ynl: Add array-nest attr decoding to ynl Donald Hunter
2023-03-22  5:18   ` 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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