diff options
| author | Richard Scheffenegger <rscheff@FreeBSD.org> | 2022-02-01 19:25:49 +0300 |
|---|---|---|
| committer | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2022-07-11 14:19:29 +0300 |
| commit | aeced2f48a1f8ad0a6d4702f8060db88d8a44e44 (patch) | |
| tree | 1b006ef23297c06d33a95de0c4c6bc2f99b85da6 | |
| parent | a9a87c19217336e3738d2fbff91468855c6a307c (diff) | |
tcp: LRO code to deal with all 12 TCP header flags
TCP per RFC793 has 4 reserved flag bits for future use. One
of those bits may be used for Accurate ECN.
This patch is to include these bits in the LRO code to ease
the extensibility if/when these bits are used.
Reviewed By: hselasky, rrs, #transport
Sponsored by: NetApp, Inc.
Differential Revision: https://reviews.freebsd.org/D34127
| -rw-r--r-- | newlib/libc/sys/rtems/include/netinet/tcp.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/newlib/libc/sys/rtems/include/netinet/tcp.h b/newlib/libc/sys/rtems/include/netinet/tcp.h index 6dc7403aa..6a3603287 100644 --- a/newlib/libc/sys/rtems/include/netinet/tcp.h +++ b/newlib/libc/sys/rtems/include/netinet/tcp.h @@ -55,12 +55,12 @@ struct tcphdr { tcp_seq th_seq; /* sequence number */ tcp_seq th_ack; /* acknowledgement number */ #if BYTE_ORDER == LITTLE_ENDIAN - u_char th_x2:4, /* (unused) */ + u_char th_x2:4, /* upper 4 (reserved) flags */ th_off:4; /* data offset */ #endif #if BYTE_ORDER == BIG_ENDIAN u_char th_off:4, /* data offset */ - th_x2:4; /* (unused) */ + th_x2:4; /* upper 4 (reserved) flags */ #endif u_char th_flags; #define TH_FIN 0x01 |