From d3a028cf07f28204b5e7bee74beee3053def15fa Mon Sep 17 00:00:00 2001
From: Ian Moffett <ian@osmora.org>
Date: Thu, 25 Sep 2025 00:27:21 -0400
Subject: dgram: Add datagram send interface

Signed-off-by: Ian Moffett <ian@osmora.org>
---
 src/include/dgram.h | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

(limited to 'src/include')

diff --git a/src/include/dgram.h b/src/include/dgram.h
index 93b20e3..e67eee6 100644
--- a/src/include/dgram.h
+++ b/src/include/dgram.h
@@ -32,6 +32,9 @@
 
 #include <stdint.h>
 #include "if_ether.h"
+#include "link.h"
+
+typedef int16_t tx_len_t;
 
 /*
  * Represents an ONET datagram
@@ -84,4 +87,16 @@ struct onet_dgram {
  */
 int dgram_load(uint16_t length, uint8_t port, struct onet_dgram *res);
 
+/*
+ * Send a datagram through ONET
+ *
+ * @link: The ONET link to send data over
+ * @buf: The buffer containing data to send
+ * @len: Length of buffer to send
+ *
+ * Returns the number of bytes transmitted on success, otherwise
+ * a less than zero value on failure.
+ */
+tx_len_t dgram_send(struct onet_link *link, void *buf, uint16_t len);
+
 #endif  /* DGRAM_H */
-- 
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