From afcdcf6ae6d95eb828733994c7de30f8ab095dcc Mon Sep 17 00:00:00 2001
From: Ian Moffett <ian@osmora.org>
Date: Thu, 25 Sep 2025 14:23:36 -0400
Subject: dgram: Add support for data reception

Signed-off-by: Ian Moffett <ian@osmora.org>
---
 src/include/dgram.h    | 9 +++++++++
 src/include/if_ether.h | 4 ++--
 2 files changed, 11 insertions(+), 2 deletions(-)

(limited to 'src/include')

diff --git a/src/include/dgram.h b/src/include/dgram.h
index 9c87b81..0f798ee 100644
--- a/src/include/dgram.h
+++ b/src/include/dgram.h
@@ -35,6 +35,7 @@
 #include "link.h"
 
 typedef int16_t tx_len_t;
+typedef tx_len_t rx_len_t;
 
 /*
  * Represents an ONET datagram
@@ -103,5 +104,13 @@ tx_len_t dgram_send(
     void *buf, uint16_t len
 );
 
+/*
+ * Get data from an ONET link
+ *
+ * @link: The ONET link to recv data from
+ * @buf: The buffer to recv data into
+ * @len: The length of expected data
+ */
+rx_len_t dgram_recv(struct onet_link *link, void *buf, uint16_t len);
 
 #endif  /* DGRAM_H */
diff --git a/src/include/if_ether.h b/src/include/if_ether.h
index 0cdf2fa..4da9b7a 100644
--- a/src/include/if_ether.h
+++ b/src/include/if_ether.h
@@ -33,8 +33,8 @@
 #include <stdint.h>
 
 #define HW_ADDR_LEN 6
-#define PROTO_IPV4 0x0800
-#define PROTO_ARP 0x0806
+#define PROTO_ID 0x88B5
+#define MAC_BROADCAST 0xFFFFFFFFFFFF
 
 typedef uint64_t mac_addr_t;
 
-- 
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