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-rw-r--r--lib/src/protocol/tcp.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/lib/src/protocol/tcp.c b/lib/src/protocol/tcp.c
index 08a1c73ef..92ded5c29 100644
--- a/lib/src/protocol/tcp.c
+++ b/lib/src/protocol/tcp.c
@@ -58,6 +58,10 @@ tcp_init_packet_header (hicn_type_t type, hicn_protocol_t * h)
TCP_DEFAULT_SYN << 1 | TCP_DEFAULT_FIN << 0,.window =
htons (TCP_DEFAULT_WINDOW_SIZE),.csum = 0,.urg_ptr = 65000,};
+ uint8_t ah_flag = type.l2 == IPPROTO_AH ? AH_FLAG : ~AH_FLAG;
+
+ h->tcp.flags |= ah_flag;
+
return CHILD_OPS (init_packet_header, type, h);
}
@@ -166,7 +170,7 @@ tcp_set_lifetime (hicn_type_t type, hicn_protocol_t * h,
h->tcp.urg_ptr = htons (HICN_MAX_LIFETIME_SCALED);
h->tcp.data_offset_and_reserved =
(h->
- tcp.data_offset_and_reserved & ~0xF) | HICN_MAX_LIFETIME_MULTIPLIER;
+ tcp.data_offset_and_reserved & ~0x0F) | HICN_MAX_LIFETIME_MULTIPLIER;
return HICN_LIB_ERROR_NONE;
}
@@ -179,7 +183,7 @@ tcp_set_lifetime (hicn_type_t type, hicn_protocol_t * h,
h->tcp.urg_ptr = htons (lifetime_scaled);
h->tcp.data_offset_and_reserved =
- (h->tcp.data_offset_and_reserved & ~0xF) | multiplier;
+ (h->tcp.data_offset_and_reserved & ~0x0F) | multiplier;
return HICN_LIB_ERROR_NONE;
}