Add proto_field_xxx functions to set/get value via specified
proto_field only.
It is good to have such API in case if application needs to set/get
value for some custom proto_field instance.
Signed-off-by: Vadim Kochan <vadi...@gmail.com>
---
trafgen_proto.c | 46 ++++++++++++++++++++++++++++++++++++++++++++++
trafgen_proto.h | 10 ++++++++++
2 files changed, 56 insertions(+)
diff --git a/trafgen_proto.c b/trafgen_proto.c
index f862592..e2b80d4 100644
--- a/trafgen_proto.c
+++ b/trafgen_proto.c
@@ -431,6 +431,52 @@ void proto_hdr_field_set_default_dev_ipv6(struct proto_hdr
*hdr, uint32_t fid)
__proto_hdr_field_set_dev_ipv6(hdr, fid, true);
}
+void proto_field_set_u8(struct proto_field *field, uint8_t val)
+{
+ __proto_field_set_bytes(field, &val, false, false);
+}
+
+uint8_t proto_field_get_u8(struct proto_field *field)
+{
+ uint8_t val = *__proto_field_get_bytes(field);
+
+ return field_unmask_and_unshift(field, val);
+}
+
+void proto_field_set_u16(struct proto_field *field, uint16_t val)
+{
+ __proto_field_set_bytes(field, (uint8_t *)&val, false, false);
+}
+
+uint16_t proto_field_get_u16(struct proto_field *field)
+{
+ uint16_t val = *(uint16_t *)__proto_field_get_bytes(field);
+
+ return field_unmask_and_unshift(field, be16_to_cpu(val));
+}
+
+void proto_field_set_u32(struct proto_field *field, uint32_t val)
+{
+ __proto_field_set_bytes(field, (uint8_t *)&val, false, false);
+}
+
+uint32_t proto_field_get_u32(struct proto_field *field)
+{
+ uint32_t val = *(uint32_t *)__proto_field_get_bytes(field);
+
+ return field_unmask_and_unshift(field, be32_to_cpu(val));
+}
+
+void proto_field_set_be16(struct proto_field *field, uint16_t val)
+{
+ __proto_field_set_bytes(field, (uint8_t *)&val, false, true);
+}
+
+void proto_field_set_be32(struct proto_field *field, uint32_t val)
+{
+ __proto_field_set_bytes(field, (uint8_t *)&val, false, true);
+}
+
void protos_init(const char *dev)
{
ctx.dev = dev;
diff --git a/trafgen_proto.h b/trafgen_proto.h
index 927fcb1..d4427e6 100644
--- a/trafgen_proto.h
+++ b/trafgen_proto.h
@@ -147,4 +147,14 @@ extern void proto_hdr_field_func_add(struct proto_hdr
*hdr, uint32_t fid,
extern struct proto_field *proto_hdr_field_by_id(struct proto_hdr *hdr,
uint32_t fid);
+
+extern void proto_field_set_u8(struct proto_field *field, uint8_t val);
+extern uint8_t proto_field_get_u8(struct proto_field *field);
+extern void proto_field_set_u16(struct proto_field *field, uint16_t val);
+extern uint16_t proto_field_get_u16(struct proto_field *field);
+extern void proto_field_set_u32(struct proto_field *field, uint32_t val);
+extern uint32_t proto_field_get_u32(struct proto_field *field);
+extern void proto_field_set_be16(struct proto_field *field, uint16_t val);
+extern void proto_field_set_be32(struct proto_field *field, uint32_t val);
+
#endif /* TRAFGEN_PROTO_H */
--
2.10.2
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