Initial Functionality for Onload + xnic

.clang-format

@@ -0,0 +1,23 @@
+---
+BasedOnStyle: Google
+IndentWidth: 2
+ColumnLimit: 79
+AlignAfterOpenBracket: DontAlign
+SpacesInConditionalStatement: true
+SortIncludes: false
+BreakBeforeBraces: Linux
+SpaceBeforeCpp11BracedList: true 
+SpaceBeforeParens: Never
+SpaceAfterCStyleCast: true
+AllowShortBlocksOnASingleLine: Empty
+AllowShortFunctionsOnASingleLine: Empty
+AllowShortIfStatementsOnASingleLine: Never 
+AllowShortLoopsOnASingleLine: false
+SpacesInContainerLiterals: true
+Cpp11BracedListStyle: false
+MaxEmptyLinesToKeep: 2
+AlignConsecutiveMacros: AcrossEmptyLinesAndComments
+AlignConsecutiveBitFields: AcrossEmptyLinesAndComments
+AlignTrailingComments: true
+SpacesBeforeTrailingComments: 5
+SpaceAfterLogicalNot: true

.gitignore

@@ -65,3 +65,5 @@ Thumbs.db
 /src/lib/zf/doxygen/html.zip
 /src/lib/zf/doxygen/latex
 /src/lib/zf/doxygen/rtf
+
+/test_programs/mock_xnic/xnic_data

.vscode/settings.json

@@ -0,0 +1,7 @@
+{
+    "files.associations": {
+        "ip_internal.h": "c",
+        "*.tmpl": "c",
+        "functional": "c"
+    }
+}

mk/before.mk

@@ -47,7 +47,6 @@ MMAKE_INCLUDE_DIR	:= $(TOPPATH)/src/include
 MMAKE_INCLUDE		:= -I. -I$(BUILD)/include -I$(MMAKE_INCLUDE_DIR)
 
 
-
 ######################################################################
 # Some useful commands.
 #
@@ -106,3 +105,13 @@ default_all:	all
 
 nullstring:=
 space=$(nullstring) #<-do not edit this line
+
+# Definition of all of the DPDK libs. If subdirectories need to link to DPDK they can just reference
+# this variable to include it. This matches the same setup that we have for REPL
+DPDK_STATIC_LOCATIONS = -L$(RTE_SDK)/build/lib -L$(RTE_SDK)/build/drivers 
+DPDK_STATIC_LIBS = -lrte_hash -lrte_cmdline -lrte_pci -lrte_bus_pci -lrte_bus_vdev -lrte_mempool_ring -lrte_kni -lrte_ethdev -lrte_eal -lrte_mbuf -lrte_mempool -lrte_ring -lrte_kvargs -lrte_pmd_bond -lrte_pmd_virtio -lrte_pmd_enic -lrte_pmd_i40e -lrte_pmd_ixgbe -lrte_net -lrte_pmd_e1000 -lrte_pmd_ring -lrte_pmd_af_packet -lrte_pmd_mlx4 -lrte_pmd_mlx5 -lrte_pmd_ena -lrte_pmd_failsafe -lrte_pmd_netvsc -lrte_pmd_vdev_netvsc -lrte_bus_vmbus -lrte_pmd_tap -lrte_gso -lrte_timer -lrte_meter
+DPDK_DYN_LIBS = -lm -ldl -lnuma -libverbs -lmlx4 -lmlx5
+DPDK_STATIC = -Wl,-Bstatic -Wl,--whole-archive
+DPDK_DYNAMIC = -Wl,--no-whole-archive -Wl,-Bdynamic 
+DEFAULT_DPDK := $(DPDK_STATIC_LOCATIONS) $(DPDK_STATIC) $(DPDK_STATIC_LIBS) $(DPDK_DYNAMIC) $(DPDK_DYN_LIBS)
+

mk/linux_gcc.mk

@@ -94,8 +94,8 @@ cwarnings += -Wno-deprecated-declarations
 endif
 
 
-MMAKE_CFLAGS	+= $(MMAKE_CARCH) $(cwarnings)
-MMAKE_CXXFLAGS	+= $(MMAKE_CARCH) $(cxxwarnings)
+MMAKE_CFLAGS	+= $(MMAKE_CARCH) $(cwarnings) -msse3
+MMAKE_CXXFLAGS	+= $(MMAKE_CARCH) $(cxxwarnings) -msse3
 MMAKE_CPPFLAGS	:=
 
 MMAKE_CFLAGS_DLL := -fPIC
@@ -195,7 +195,7 @@ endef
 define MMakeLinkCApp
 set -x; \
 $(CLINK) $(MMAKE_CARCH) $(CFLAGS) -Wl,-E $(MMAKE_DIR_LINKFLAGS) $(filter %.o,$^) \
-	$$libs -lm -lpthread -lrt -lresolv -lanl -o $@
+	$$libs -lm -lpthread -lrt -lresolv -lanl $(MMAKE_DPDK_LIBS) -o $@
 endef
 
 

mk/platform/gnu_x86_64.mk

@@ -2,7 +2,7 @@
 # X-SPDX-Copyright-Text: (c) Copyright 2004-2020 Xilinx, Inc.
 GNU	    := 1
 MMAKE_CARCH ?= -mtune=native
-MMAKE_CARCH := -m64 $(MMAKE_CTUNE)
+MMAKE_CARCH := -march=native -m64 $(MMAKE_CTUNE)
 
 MMAKE_RELOCATABLE_LIB := -z combreloc
 

scripts/onload_mkdist

@@ -226,12 +226,12 @@ done < <(find . -type d)
 preprocess_source
 
 verstub=$(echo "$version" | sed -e 's/-test.*//' -e 's/-rc.*//')
-if [ -f ChangeLog ] && ! grep -q "$verstub" ChangeLog; then
-  bad "Nothing in the ChangeLog for this version"
-fi
-if [ -f ReleaseNotes ] && ! grep -q "$verstub" ReleaseNotes; then
-  bad "Nothing in the ReleaseNotes for this version"
-fi
+#if [ -f ChangeLog ] && ! grep -q "$verstub" ChangeLog; then
+#  bad "Nothing in the ChangeLog for this version"
+#fi
+#if [ -f ReleaseNotes ] && ! grep -q "$verstub" ReleaseNotes; then
+#  bad "Nothing in the ReleaseNotes for this version"
+#fi
 
 # Get rid of junk!
 find . -type f -name '.#*'    -exec rm "{}" \;

scripts/onload_profiles/swxtch.opf

@@ -0,0 +1,21 @@
+onload_set EF_SPIN_USEC 10000000000000
+onload_set EF_TCP_CONNECT_SPIN 1
+onload_set EF_TCP_ACCEPT_SPIN 1
+onload_set EF_TCP_RECV_SPIN 1
+onload_set EF_TCP_SEND_SPIN 1
+onload_set EF_UDP_RECV_SPIN 1
+onload_set EF_UDP_SEND_SPIN 1
+onload_set EF_MAX_ENDPOINTS 16384
+onload_set EF_TXQ_SIZE 2048
+onload_set EF_CLUSTER_SIZE 0
+#onload_set EF_MAX_PACKETS 2097152
+#onload_set EF_MAX_TX_PACKETS 1048576
+#onload_set EF_PREALLOC_PACKETS 1
+onload_set EF_USE_HUGE_PAGES 2
+#onload_set EF_UDP_FORCE_REUSEPORT 0
+#onload_set EF_UNIX_LOG 0xFFFFFFFFFFFFFFFFFFFF # this is a crappy bitmask that can be found in opts_citp_def.h and it only seems to kind of work
+#onload_set EF_CTPIO 0
+#onload_set EF_PIO 0
+#onload_set EF_EPOLL_MT_SAFE 1
+#onload_set EF_INT_DRIVEN 0
+#onload_set EF_HIGH_THROUGHPUT_MODE 1

scripts/swxtch_init.sh

@@ -0,0 +1,4 @@
+#! /bin/bash
+
+sudo ~/onload/build/x86_64_linux-$(uname -r)/driver/linux/load.sh onload
+echo eth1 | sudo tee /sys/module/sfc_resource/afxdp/register

src/include/ci/efhw/device.h

@@ -5,10 +5,11 @@
 
 /* NB: this enum must be aligned with enum ef_vi_arch */
 enum efhw_arch {
-	EFHW_ARCH_EF10 = 1,
-	EFHW_ARCH_EF100,
-	EFHW_ARCH_EFCT,
-	EFHW_ARCH_AF_XDP,
+  EFHW_ARCH_EF10 = 1,
+  EFHW_ARCH_EF100,
+  EFHW_ARCH_EFCT,
+  EFHW_ARCH_AF_XDP,
+  EFHW_ARCH_SWXTCH,
 };
 
 /*----------------------------------------------------------------------------
@@ -18,15 +19,15 @@ enum efhw_arch {
  *---------------------------------------------------------------------------*/
 
 enum efhw_function {
-	EFHW_FUNCTION_PF,
-	EFHW_FUNCTION_VF,
+  EFHW_FUNCTION_PF,
+  EFHW_FUNCTION_VF,
 };
 
 struct efhw_device_type {
-	int  arch;            /* enum efhw_arch */
-	char variant;         /* 'A', 'B', ... */
-	int  revision;        /* 0, 1, ... */
-	int  function;        /* enum efhw_function */
+  int  arch;     /* enum efhw_arch */
+  char variant;  /* 'A', 'B', ... */
+  int  revision; /* 0, 1, ... */
+  int  function; /* enum efhw_function */
 };
 
 #endif