Changeset 1affcdf3 in mainline for uspace/srv/net/tl/tcp/tcp_header.h

Timestamp:

2011-06-10T19:33:41Z (13 years ago)

Author:

Maurizio Lombardi <m.lombardi85@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

1878386

Parents:

13ecdac9 (diff), 79a141a (diff)
Note: this is a merge changeset, the changes displayed below correspond to the merge itself.
Use the (diff) links above to see all the changes relative to each parent.

Message:

Merge mainline changes

File:

• uspace/srv/net/tl/tcp/tcp_header.h (modified) (2 diffs)

uspace/srv/net/tl/tcp/tcp_header.h

@@ -47 +47 @@
  * @param[in] header The TCP packet header.
  */
-#define TCP_HEADER_LENGTH(header)               ((header)->header_length * 4U)
+#define TCP_HEADER_LENGTH(header)               (GET_TCP_HEADER_LENGTH(header) * 4U)
 
 /** Returns the TCP header length.
@@ -73 +73 @@
         uint32_t sequence_number;
         uint32_t acknowledgement_number;
-        
-#ifdef ARCH_IS_BIG_ENDIAN
-        uint8_t header_length:4;
-        uint8_t reserved1:4;
-#else
-        uint8_t reserved1:4;
-        uint8_t header_length:4;
-#endif
 
-#ifdef ARCH_IS_BIG_ENDIAN
-        uint8_t reserved2:2;
-        uint8_t urgent:1;
-        uint8_t acknowledge:1;
-        uint8_t push:1;
-        uint8_t reset:1;
-        uint8_t synchronize:1;
-        uint8_t finalize:1;
-#else
-        uint8_t finalize:1;
-        uint8_t synchronize:1;
-        uint8_t reset:1;
-        uint8_t push:1;
-        uint8_t acknowledge:1;
-        uint8_t urgent:1;
-        uint8_t reserved2:2;
-#endif
+        uint8_t hlr; /* header length, reserved1 */
+
+#define GET_TCP_HEADER_LENGTH(header) \
+        (((header)->hlr & 0xf0) >> 4)
+#define SET_TCP_HEADER_LENGTH(header, length) \
+        ((header)->hlr = \
+         ((length & 0x0f) << 4) | ((header)->hlr & 0x0f))
+
+#define GET_TCP_HEADER_RESERVED1(header) \
+        ((header)->hlr & 0x0f)
+#define SET_TCP_HEADER_RESERVED1(header, reserved1) \
+        ((header)->hlr = \
+         (reserved1 & 0x0f) | ((header)->hlr & 0xf0))
+
+        /* reserved2, urgent, acknowledge, push, reset, synchronize, finalize */
+        uint8_t ruaprsf;  
+
+#define GET_TCP_HEADER_RESERVED2(header) \
+        (((header)->ruaprsf & 0xc0) >> 6)
+#define SET_TCP_HEADER_RESERVED2(header, reserved2) \
+        ((header)->ruaprsf = \
+         ((reserved2 & 0x03) << 6) | ((header)->ruaprsf & 0x3f))
+
+#define GET_TCP_HEADER_URGENT(header) \
+        (((header)->ruaprsf & 0x20) >> 5)
+#define SET_TCP_HEADER_URGENT(header, urgent) \
+        ((header)->ruaprsf = \
+         ((urgent & 0x01) << 5) | ((header)->ruaprsf & 0xdf))
+
+#define GET_TCP_HEADER_ACKNOWLEDGE(header) \
+        (((header)->ruaprsf & 0x10) >> 4)
+#define SET_TCP_HEADER_ACKNOWLEDGE(header, acknowledge) \
+        ((header)->ruaprsf = \
+         ((acknowledge & 0x01) << 4) | ((header)->ruaprsf & 0xef))
+
+#define GET_TCP_HEADER_PUSH(header) \
+        (((header)->ruaprsf & 0x08) >> 3)
+#define SET_TCP_HEADER_PUSH(header, push) \
+        ((header)->ruaprsf = \
+         ((push & 0x01) << 3) | ((header)->ruaprsf & 0xf7))
+
+#define GET_TCP_HEADER_RESET(header) \
+        (((header)->ruaprsf & 0x04) >> 2)
+#define SET_TCP_HEADER_RESET(header, reset) \
+        ((header)->ruaprsf = \
+         ((reset & 0x01) << 2) | ((header)->ruaprsf & 0xfb))
+
+#define GET_TCP_HEADER_SYNCHRONIZE(header) \
+        (((header)->ruaprsf & 0x02) >> 1)
+#define SET_TCP_HEADER_SYNCHRONIZE(header, synchronize) \
+        ((header)->ruaprsf = \
+         ((synchronize & 0x01) << 1) | ((header)->ruaprsf & 0xfd))
+
+#define GET_TCP_HEADER_FINALIZE(header) \
+        ((header)->ruaprsf & 0x01)
+#define SET_TCP_HEADER_FINALIZE(header, finalize) \
+        ((header)->ruaprsf = \
+         (finalize & 0x01) | ((header)->ruaprsf & 0xfe))
 
         uint16_t window;