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authorDmitry Fleytman <dmitry.fleytman@ravellosystems.com>2016-06-01 11:23:40 +0300
committerJason Wang <jasowang@redhat.com>2016-06-02 10:42:28 +0800
commit66409b7c8bd0ebb075a6af8cbc7846fc0a95107d (patch)
tree05cba20e8051c2f19e8861eba8c46bd2a1a9e578 /include/net
parent605d52e62fc94ec28408890fc682d4bdd7d8a36c (diff)
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rtl8139: Move more TCP definitions to common header
Signed-off-by: Dmitry Fleytman <dmitry.fleytman@ravellosystems.com> Signed-off-by: Leonid Bloch <leonid.bloch@ravellosystems.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Jason Wang <jasowang@redhat.com>
Diffstat (limited to 'include/net')
-rw-r--r--include/net/eth.h8
1 files changed, 8 insertions, 0 deletions
diff --git a/include/net/eth.h b/include/net/eth.h
index 18d0be3..5a32259 100644
--- a/include/net/eth.h
+++ b/include/net/eth.h
@@ -67,6 +67,14 @@ typedef struct tcp_header {
uint16_t th_urp; /* urgent pointer */
} tcp_header;
+#define TCP_FLAGS_ONLY(flags) ((flags) & 0x3f)
+
+#define TCP_HEADER_FLAGS(tcp) \
+ TCP_FLAGS_ONLY(be16_to_cpu((tcp)->th_offset_flags))
+
+#define TCP_HEADER_DATA_OFFSET(tcp) \
+ (((be16_to_cpu((tcp)->th_offset_flags) >> 12) & 0xf) << 2)
+
typedef struct udp_header {
uint16_t uh_sport; /* source port */
uint16_t uh_dport; /* destination port */