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network: Add net_buffer::buffer_flags field.

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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]>
This commit is contained in:
Augustin Cavalier
2024-07-30 14:54:49 +00:00
committed by waddlesplash
parent e864e93949
commit 258ae0c892
2 changed files with 13 additions and 3 deletions
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headers/private/net/net_buffer.h
+7
View File
@@ -16,6 +16,12 @@
#define NET_BUFFER_MODULE_NAME "network/stack/buffer/v1" #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 { typedef struct net_buffer {
struct list_link link; struct list_link link;
@@ -35,6 +41,7 @@ typedef struct net_buffer {
uint32 msg_flags; uint32 msg_flags;
uint32 size; uint32 size;
uint8 protocol; uint8 protocol;
uint16 buffer_flags;
} net_buffer; } net_buffer;
struct ancillary_data_container; struct ancillary_data_container;
src/add-ons/kernel/network/stack/net_buffer.cpp
+6 -3
View File
@@ -609,9 +609,10 @@ dump_buffer(net_buffer* _buffer)
{ {
net_buffer_private* buffer = (net_buffer_private*)_buffer; net_buffer_private* buffer = (net_buffer_private*)_buffer;
dprintf("buffer %p, size %" B_PRIu32 ", msg_flags %" B_PRIx32 ", stored header " dprintf("buffer %p, size %" B_PRIu32 ", msg_flags %" B_PRIx32 ", buffer_flags %" B_PRIx16
"%" B_PRIuSIZE ", interface address %p\n", buffer, buffer->size, ", stored header %" B_PRIuSIZE ", interface address %p\n", buffer, buffer->size,
buffer->msg_flags, buffer->stored_header_length, buffer->interface_address); buffer->msg_flags, buffer->buffer_flags, buffer->stored_header_length,
buffer->interface_address);
dump_address("source", buffer->source, buffer->interface_address); dump_address("source", buffer->source, buffer->interface_address);
dump_address("destination", buffer->destination, buffer->interface_address); dump_address("destination", buffer->destination, buffer->interface_address);
@@ -1074,6 +1075,7 @@ copy_metadata(net_buffer* destination, const net_buffer* source)
min_c(source->destination->sa_len, sizeof(sockaddr_storage))); min_c(source->destination->sa_len, sizeof(sockaddr_storage)));
destination->msg_flags = source->msg_flags; destination->msg_flags = source->msg_flags;
destination->buffer_flags = source->buffer_flags;
destination->interface_address = source->interface_address; destination->interface_address = source->interface_address;
if (destination->interface_address != NULL) if (destination->interface_address != NULL)
((InterfaceAddress*)destination->interface_address)->AcquireReference(); ((InterfaceAddress*)destination->interface_address)->AcquireReference();
@@ -1127,6 +1129,7 @@ create_buffer(size_t headerSpace)
buffer->interface_address = NULL; buffer->interface_address = NULL;
buffer->offset = 0; buffer->offset = 0;
buffer->msg_flags = 0; buffer->msg_flags = 0;
buffer->buffer_flags = 0;
buffer->size = 0; buffer->size = 0;
CHECK_BUFFER(buffer); CHECK_BUFFER(buffer);