[dpdk-dev] [PATCH v2 4/6] examples/l3fwd-acl: block attempts to use owned ports

[Stephen Hemminger <stephen@networkplumber.org>]

If a ethdev port is in use for a sub device, then it should not
be allowed in the portmask of application.

Fixes: 5b7ba31148a8 ("ethdev: add port ownership")
Cc: matan@mellanox.com
Cc: stable@dpdk.org
Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
---
 examples/l3fwd-acl/Makefile    | 3 +++
 examples/l3fwd-acl/main.c      | 4 ++++
 examples/l3fwd-acl/meson.build | 1 +
 3 files changed, 8 insertions(+)

diff --git a/examples/l3fwd-acl/Makefile b/examples/l3fwd-acl/Makefile
index d9909584b1c6..ff14b4fdd593 100644
--- a/examples/l3fwd-acl/Makefile
+++ b/examples/l3fwd-acl/Makefile
@@ -20,7 +20,9 @@ static: build/$(APP)-static
 PKGCONF ?= pkg-config
 
 PC_FILE := $(shell $(PKGCONF) --path libdpdk 2>/dev/null)
+CFLAGS += -DALLOW_EXPERIMENTAL_API
 CFLAGS += -O3 $(shell $(PKGCONF) --cflags libdpdk)
+
 LDFLAGS_SHARED = $(shell $(PKGCONF) --libs libdpdk)
 LDFLAGS_STATIC = -Wl,-Bstatic $(shell $(PKGCONF) --static --libs libdpdk)
 
@@ -51,6 +53,7 @@ include $(RTE_SDK)/mk/rte.vars.mk
 
 CFLAGS += -O3
 CFLAGS += $(WERROR_FLAGS)
+CFLAGS += -DALLOW_EXPERIMENTAL_API
 
 # workaround for a gcc bug with noreturn attribute
 # http://gcc.gnu.org/bugzilla/show_bug.cgi?id=12603
diff --git a/examples/l3fwd-acl/main.c b/examples/l3fwd-acl/main.c
index fa92a2829740..d9bee9ade323 100644
--- a/examples/l3fwd-acl/main.c
+++ b/examples/l3fwd-acl/main.c
@@ -1470,6 +1470,10 @@ check_port_config(void)
 			printf("port %u is not present on the board\n", portid);
 			return -1;
 		}
+		if (rte_eth_dev_is_owned(portid)) {
+			printf("port %u is already in use\n", portid);
+			return -1;
+		}
 	}
 	return 0;
 }
diff --git a/examples/l3fwd-acl/meson.build b/examples/l3fwd-acl/meson.build
index 7096e00c1073..6fa468b3aa9c 100644
--- a/examples/l3fwd-acl/meson.build
+++ b/examples/l3fwd-acl/meson.build
@@ -6,6 +6,7 @@
 # To build this example as a standalone application with an already-installed
 # DPDK instance, use 'make'
 
+allow_experimental_apis = true
 deps += ['acl', 'lpm', 'hash']
 sources = files(
 	'main.c'
-- 
2.20.1