diff options
Diffstat (limited to 'src/include')
| -rw-r--r-- | src/include/gpxe/tcp.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/src/include/gpxe/tcp.h b/src/include/gpxe/tcp.h index 6fb673acc..7ae7eab99 100644 --- a/src/include/gpxe/tcp.h +++ b/src/include/gpxe/tcp.h @@ -229,6 +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 |