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| author | H. Peter Anvin <hpa@zytor.com> | 2010-02-03 16:06:41 -0800 |
|---|---|---|
| committer | H. Peter Anvin <hpa@zytor.com> | 2010-02-03 16:06:41 -0800 |
| commit | addaeaeb3949d576c4e0eb5cfc133b7c3bcfa8fa (patch) | |
| tree | 2ffea726dc494e87ecc9f506bc6a2bc9242730e3 /gpxe/src/include/gpxe/tcp.h | |
| parent | 5c0f48e49f8d7d084810ecf0b98a76aaebb44835 (diff) | |
| parent | e7a5f95432132c8fc8f8ede39fda1d368002ddd8 (diff) | |
| download | syslinux.git-addaeaeb3949d576c4e0eb5cfc133b7c3bcfa8fa.tar.gz syslinux.git-addaeaeb3949d576c4e0eb5cfc133b7c3bcfa8fa.tar.xz syslinux.git-addaeaeb3949d576c4e0eb5cfc133b7c3bcfa8fa.zip | |
Merge branch 'master' into i915res
Diffstat (limited to 'gpxe/src/include/gpxe/tcp.h')
| -rw-r--r-- | gpxe/src/include/gpxe/tcp.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/gpxe/src/include/gpxe/tcp.h b/gpxe/src/include/gpxe/tcp.h index 264ec29b..7ae7eab9 100644 --- a/gpxe/src/include/gpxe/tcp.h +++ b/gpxe/src/include/gpxe/tcp.h @@ -9,6 +9,8 @@ * */ +FILE_LICENCE ( GPL2_OR_LATER ); + #include <gpxe/tcpip.h> /** @@ -227,6 +229,16 @@ struct tcp_options { TCP_STATE_SENT ( TCP_FIN ) ) ) \ == TCP_STATE_ACKED ( TCP_SYN ) ) +/** Have ever been fully established + * + * We have been fully established if we have both received a SYN and + * had our own SYN acked. + */ +#define TCP_HAS_BEEN_ESTABLISHED(state) \ + ( ( (state) & ( TCP_STATE_ACKED ( TCP_SYN ) | \ + TCP_STATE_RCVD ( TCP_SYN ) ) ) \ + == ( TCP_STATE_ACKED ( TCP_SYN ) | TCP_STATE_RCVD ( TCP_SYN ) ) ) + /** Have closed gracefully * * We have closed gracefully if we have both received a FIN and had |