network: Add net_buffer::buffer_flags field.

Does not actually break ABI since net_buffer had 3 bytes of padding remaining unused. Add the first two constants for this field: L3/L4_CHECKSUM_VALID. These will indicate when the checksum of the packet is known to be valid (good/correct). Change-Id: I155b3ea51d1093e229677cb788a007560ddbd428 Reviewed-on: https://review.haiku-os.org/c/haiku/+/7916 Reviewed-by: waddlesplash <[email protected]>
2024-07-30 14:54:49 +00:00
parent e864e93949
commit 258ae0c892
2 changed files with 13 additions and 3 deletions
@@ -16,6 +16,12 @@
 #define NET_BUFFER_MODULE_NAME "network/stack/buffer/v1"


+enum net_buffer_flags {
+	NET_BUFFER_L3_CHECKSUM_VALID = (1 << 0),
+	NET_BUFFER_L4_CHECKSUM_VALID = (1 << 1),
+};
+
+
 typedef struct net_buffer {
 	struct list_link		link;

@@ -35,6 +41,7 @@ typedef struct net_buffer {
 	uint32					msg_flags;
 	uint32					size;
 	uint8					protocol;
+	uint16					buffer_flags;
 } net_buffer;

 struct ancillary_data_container;