[+] explicit path id first shot (ready to merge)

CMakeLists.txt

@@ -18,6 +18,7 @@ option (XQC_COMPAT_DUPLICATE "qpack compat dup" OFF)
 option (XQC_ENABLE_FEC "enable fec" OFF)
 option (XQC_ENABLE_XOR "enable fec scheme xor" OFF)
 option (XQC_ENABLE_RSC "enable fec scheme reed-solomon code" OFF)
+option (XQC_ENABLE_PKM "enable fec scheme packet mask" OFF)
 
 if(NOT CMAKE_BUILD_TYPE)
     set(CMAKE_BUILD_TYPE Release)
@@ -227,6 +228,7 @@ set(
     "src/transport/scheduler/xqc_scheduler_minrtt.c"
     "src/transport/scheduler/xqc_scheduler_common.c"
     "src/transport/scheduler/xqc_scheduler_backup.c"
+    "src/transport/scheduler/xqc_scheduler_backup_fec.c"
     "src/transport/scheduler/xqc_scheduler_rap.c"
 )
 
@@ -238,6 +240,7 @@ if(XQC_ENABLE_MP_INTEROP)
     )
 endif()
 
+
 # fec framework
 set(
     FEC_FRAMEWORK_SOURCE
@@ -262,6 +265,14 @@ if(XQC_ENABLE_RSC)
     )
 endif()
 
+if(XQC_ENABLE_PKM)
+    set(
+        FEC_FRAMEWORK_SOURCE
+        ${FEC_FRAMEWORK_SOURCE}
+        "src/transport/fec_schemes/xqc_packet_mask.c"
+    )
+endif()
+
 if(XQC_ENABLE_FEC)
     set(
         TRANSPORT_SOURCES

cmake/CMakeLists.txt

@@ -197,6 +197,7 @@ set(
     "src/transport/scheduler/xqc_scheduler_minrtt.c"
     "src/transport/scheduler/xqc_scheduler_common.c"
     "src/transport/scheduler/xqc_scheduler_backup.c"
+    "src/transport/scheduler/xqc_scheduler_backup_fec.c"
     "src/transport/scheduler/xqc_scheduler_rap.c"
 )
 
@@ -233,6 +234,14 @@ if(XQC_ENABLE_RSC)
     )
 endif()
 
+if(XQC_ENABLE_PKM)
+    set(
+        FEC_FRAMEWORK_SOURCE
+        ${FEC_FRAMEWORK_SOURCE}
+        "src/transport/fec_schemes/xqc_packet_mask.c"
+    )
+endif()
+
 if(XQC_ENABLE_FEC)
     set(
         TRANSPORT_SOURCES
@@ -343,6 +352,7 @@ add_library(
     ${TLS_SOURCE}
     ${COMMON_SOURCES}
     ${CONGESTION_CONTROL_SOURCES}
+    ${XQC_SOURCE}
 )
 
 add_dependencies(xquic xquic_global)