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authorAlberto Compagno <acompagn+fdio@cisco.com>2019-02-08 12:00:25 +0100
committerAlberto Compagno <acompagn+fdio@cisco.com>2019-02-08 12:04:36 +0100
commit1e1d08d94bb39e2de79d7182e5598fc5fa5e9fce (patch)
tree6bef6d8f845b4fb979901f5b58174a210020eeac /lib/src/protocol
parentdb1afad8749fce983636456c16c9df9c24d73af4 (diff)
[HICN-43] Fixed packet lifetime and setting AH flag when a data packet carries a signature
Change-Id: I5e14716bc9bfcd8ffc3ab8cda8aa9ba0ca5c6d82 Signed-off-by: Alberto Compagno <acompagn+fdio@cisco.com>
Diffstat (limited to 'lib/src/protocol')
-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;
}