[202012][Mellanox] update sdk/fw build procedure (#14025) (#14220)

- Why I did it
To optimize Mellanox platform build

- How I did it
sdk debs are now downloaded as Spectrum-SDK-Drivers-SONiC-Bins release
sx kernel is downloaded as zip from Spectrum-SDK-Drivers

.gitmodules

@@ -73,9 +73,6 @@
 [submodule "src/sonic-telemetry"]
 	path = src/sonic-telemetry
 	url = https://github.com/sonic-net/sonic-gnmi
-[submodule "Switch-SDK-drivers"]
-	path = platform/mellanox/sdk-src/sx-kernel/Switch-SDK-drivers
-	url = https://github.com/Mellanox/Switch-SDK-drivers
 [submodule "src/sonic-ztp"]
 	path = src/sonic-ztp
 	url = https://github.com/sonic-net/sonic-ztp

platform/mellanox/fw.mk

@@ -5,10 +5,13 @@ MLNX_FW_BASE_PATH = $(MLNX_SDK_BASE_PATH)
 # Place an URL here to FW if you want to download FW instead
 MLNX_FW_BASE_URL =
 
-ifneq ($(MLNX_FW_BASE_URL), )
 FW_FROM_URL = y
-else
-FW_FROM_URL = n
+
+MLNX_FW_ASSETS_RELEASE_TAG = fw-2010.3196
+MLNX_FW_ASSETS_URL = $(MLNX_ASSETS_GITHUB_URL)/releases/download/$(MLNX_FW_ASSETS_RELEASE_TAG)
+
+ifeq ($(MLNX_FW_BASE_URL), )
+MLNX_FW_BASE_URL = $(MLNX_FW_ASSETS_URL)
 endif
 
 MLNX_SPC_FW_VERSION = 13.2010.3196

platform/mellanox/sdk-src/sx-kernel/Makefile

@@ -5,6 +5,8 @@ MAIN_TARGET = sx-kernel_1.mlnx.$(MLNX_SDK_DEB_VERSION)_amd64.deb
 DERIVED_TARGETS = sx-kernel-dev_1.mlnx.$(MLNX_SDK_DEB_VERSION)_amd64.deb
 PACKAGE_NAME = sx_kernel
 
+MLNX_SX_KERNEL_GITHUB_URL_BASE = https://github.com/Mellanox/Spectrum-SDK-Drivers/archive/refs/heads
+
 $(addprefix $(DEST)/, $(MAIN_TARGET)): $(DEST)/% :
 	# get sources
 
@@ -13,9 +15,15 @@ $(addprefix $(DEST)/, $(MAIN_TARGET)): $(DEST)/% :
 		wget -c $(MLNX_SDK_SOURCE_BASE_URL)/$(PACKAGE_NAME)-$(MLNX_SDK_VERSION)-$(MLNX_SDK_ISSU_VERSION).tar.gz -O - | tar -xz
 		pushd sx_kernel-$(MLNX_SDK_VERSION)-$(MLNX_SDK_ISSU_VERSION)
 	else
-		pushd Switch-SDK-drivers
-		git reset --hard
-		git clean -xfd
+		rm -rf Spectrum-SDK-Drivers-$(MLNX_SDK_VERSION)
+		wget -c $(MLNX_SX_KERNEL_GITHUB_URL_BASE)/$(MLNX_SDK_VERSION).zip
+		unzip $(MLNX_SDK_VERSION).zip
+		rm -rf $(MLNX_SDK_VERSION).zip
+
+		pushd Spectrum-SDK-Drivers-$(MLNX_SDK_VERSION)
+		ln -s ./sx_scripts/Makefile ./Makefile
+		ln -s ./sx_scripts/makefile ./makefile
+		ln -s ./sx_scripts/configure ./configure
 	fi
 
 	# build

platform/mellanox/sdk.mk

@@ -1,8 +1,9 @@
-MLNX_SDK_BASE_PATH = $(PLATFORM_PATH)/sdk-src/sx-kernel/Switch-SDK-drivers/bin/
-MLNX_SDK_PKG_BASE_PATH = $(MLNX_SDK_BASE_PATH)/$(BLDENV)/$(CONFIGURED_ARCH)/
 MLNX_SDK_VERSION = 4.5.3196
 MLNX_SDK_ISSU_VERSION = 101
 
+MLNX_ASSETS_GITHUB_URL = https://github.com/Mellanox/Spectrum-SDK-Drivers-SONiC-Bins
+MLNX_SDK_ASSETS_RELEASE_TAG = sdk-$(MLNX_SDK_VERSION)-$(BLDENV)-$(CONFIGURED_ARCH)
+MLNX_SDK_ASSETS_URL = $(MLNX_ASSETS_GITHUB_URL)/releases/download/$(MLNX_SDK_ASSETS_RELEASE_TAG)
 MLNX_SDK_DEB_VERSION = $(subst -,.,$(subst _,.,$(MLNX_SDK_VERSION)))
 
 # Place here URL where SDK sources exist
@@ -14,7 +15,7 @@ else
 SDK_FROM_SRC = n
 endif
 
-export MLNX_SDK_SOURCE_BASE_URL MLNX_SDK_VERSION MLNX_SDK_ISSU_VERSION MLNX_SDK_DEB_VERSION
+export MLNX_SDK_SOURCE_BASE_URL MLNX_SDK_VERSION MLNX_SDK_ISSU_VERSION MLNX_SDK_DEB_VERSION MLNX_ASSETS_GITHUB_URL
 
 MLNX_SDK_RDEBS += $(APPLIBS) $(IPROUTE2_MLNX) $(SX_COMPLIB) $(SX_EXAMPLES) \
                   $(SX_GEN_UTILS) $(SX_SCEW) $(SXD_LIBS) $(WJH_LIBS) $(SX_ACL_HELPER)
@@ -136,21 +137,19 @@ $(SX_KERNEL)_SRC_PATH = $(PLATFORM_PATH)/sdk-src/sx-kernel
 SX_KERNEL_DEV = sx-kernel-dev_1.mlnx.$(MLNX_SDK_DEB_VERSION)_amd64.deb
 $(eval $(call add_derived_package,$(SX_KERNEL),$(SX_KERNEL_DEV)))
 
-define make_path
-	$(1)_PATH = $(MLNX_SDK_PKG_BASE_PATH)
+define make_url
+	$(1)_URL = $(MLNX_SDK_ASSETS_URL)/$(1)
 
 endef
 
-$(eval $(foreach deb,$(MLNX_SDK_DEBS),$(call make_path,$(deb))))
-$(eval $(foreach deb,$(MLNX_SDK_RDEBS),$(call make_path,$(deb))))
-$(eval $(foreach deb,$(PYTHON_SDK_API) $(SX_KERNEL) $(SX_KERNEL_DEV),$(call make_path,$(deb))))
+$(eval $(foreach deb,$(MLNX_SDK_DEBS) $(MLNX_SDK_RDEBS) $(PYTHON_SDK_API),$(call make_url,$(deb))))
 
 SONIC_MAKE_DEBS += $(SX_KERNEL)
 
 ifeq ($(SDK_FROM_SRC), y)
 SONIC_MAKE_DEBS += $(MLNX_SDK_RDEBS) $(PYTHON_SDK_API)
 else
-SONIC_COPY_DEBS += $(MLNX_SDK_RDEBS) $(PYTHON_SDK_API)
+SONIC_ONLINE_DEBS += $(MLNX_SDK_RDEBS) $(PYTHON_SDK_API)
 endif
 
 mlnx-sdk-packages: $(addprefix $(DEBS_PATH)/, $(MLNX_SDK_RDEBS) $(PYTHON_SDK_API) $(SX_KERNEL))