[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>

5 files changed, 14 insertions, 10 deletions

diff --git a/lib/src/base.h b/lib/src/base.h
index 0fcf2a9c2..d8a79a9c2 100644
--- a/lib/src/base.h
+++ b/lib/src/base.h
@@ -30,9 +30,9 @@ typedef u32 hicn_faceid_t;
 typedef u8 hicn_pathlabel_t;
 typedef u32 hicn_lifetime_t;
 
-#define HICN_MAX_LIFETIME HICN_MAX_LIFETIME_SCALED << HICN_MAX_LIFETIME_MULTIPLIER
 #define HICN_MAX_LIFETIME_SCALED 0xFFFF
-#define HICN_MAX_LIFETIME_MULTIPLIER 0xF	/* 4 bits */
+#define HICN_MAX_LIFETIME_MULTIPLIER 0x0F	/* 4 bits */
+#define HICN_MAX_LIFETIME HICN_MAX_LIFETIME_SCALED << HICN_MAX_LIFETIME_MULTIPLIER
 
 /**
  * @brief hICN packet format type
diff --git a/lib/src/compat.c b/lib/src/compat.c
index 56504fe5e..fba826ab0 100644
--- a/lib/src/compat.c
+++ b/lib/src/compat.c
@@ -1137,7 +1137,7 @@ int
 hicn_data_reset_for_hash (hicn_format_t format, hicn_header_t * packet)
 {
   hicn_type_t type = hicn_format_to_type (format);
-  return hicn_ops_vft[type.l1]->reset_interest_for_hash (type,
+  return hicn_ops_vft[type.l1]->reset_data_for_hash (type,
 							 &packet->protocol);
 
 }
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;
 }
diff --git a/libtransport/src/hicn/transport/core/packet.cc b/libtransport/src/hicn/transport/core/packet.cc
index 3872510ec..cbfe082d3 100644
--- a/libtransport/src/hicn/transport/core/packet.cc
+++ b/libtransport/src/hicn/transport/core/packet.cc
@@ -58,7 +58,7 @@ Packet::Packet(MemBufPtr &&buffer)
 
   auto header_size = getHeaderSizeFromFormat(format_, signature_size);
 
-  auto payload_length = packet_->length() - header_size - signature_size;
+  auto payload_length = packet_->length() - header_size;
 
   if (!payload_length) {
     return;
@@ -69,7 +69,7 @@ Packet::Packet(MemBufPtr &&buffer)
   if (payload_length) {
     auto payload = packet_->cloneOne();
     payload_head_ = payload.get();
-    payload_head_->advance(header_size + signature_size);
+    payload_head_->advance(header_size);
     payload_head_->append(payload_length);
     packet_->prependChain(std::move(payload));
     packet_->append(header_size);
diff --git a/libtransport/src/hicn/transport/interfaces/socket_options_default_values.h b/libtransport/src/hicn/transport/interfaces/socket_options_default_values.h
index 5fae1c484..b4ff44f1e 100644
--- a/libtransport/src/hicn/transport/interfaces/socket_options_default_values.h
+++ b/libtransport/src/hicn/transport/interfaces/socket_options_default_values.h
@@ -15,6 +15,7 @@
 
 #pragma once
 
+#include <hicn/base.h>
 #include <chrono>
 #include <cstdint>
 
@@ -25,8 +26,8 @@ namespace interface {
 namespace default_values {
 
 const uint32_t interest_lifetime = 1001;  // milliseconds
-const uint32_t content_object_expiry_time =
-    0xffff;                                        // milliseconds -> 50 seconds
+const uint32_t never_expire_time = HICN_MAX_LIFETIME;
+const uint32_t content_object_expiry_time = never_expire_time; // milliseconds -> 50 seconds
 const uint32_t content_object_packet_size = 1500;  // The ethernet MTU
 const uint32_t producer_socket_input_buffer_size = 150000;   // Interests
 const uint32_t producer_socket_output_buffer_size = 150000;  // Content Object
@@ -38,7 +39,6 @@ const uint32_t min_window_size = 1;            // Interests
 const uint32_t max_window_size = 128000;       // Interests
 const uint32_t digest_size = 34;               // bytes
 const uint32_t max_out_of_order_segments = 3;  // content object
-const uint32_t never_expire_time = 0x0000ffff << 0x0f;
 
 // RAAQM
 const int sample_number = 30;