netdev - [PATCH bpf-next v3 7/8] selftests/xsk: modify xsk_update_xskmap() to accept the index as an argument

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Message-Id: <20230927135241.2287547-8-tushar.vyavahare@intel.com>
Date: Wed, 27 Sep 2023 19:22:40 +0530
From: Tushar Vyavahare <tushar.vyavahare@...el.com>
To: bpf@...r.kernel.org
Cc: netdev@...r.kernel.org,
	bjorn@...nel.org,
	magnus.karlsson@...el.com,
	maciej.fijalkowski@...el.com,
	jonathan.lemon@...il.com,
	davem@...emloft.net,
	kuba@...nel.org,
	pabeni@...hat.com,
	ast@...nel.org,
	daniel@...earbox.net,
	tirthendu.sarkar@...el.com,
	tushar.vyavahare@...el.com
Subject: [PATCH bpf-next v3 7/8] selftests/xsk: modify xsk_update_xskmap() to accept the index as an argument

Modify xsk_update_xskmap() to accept the index as an argument, enabling
the addition of multiple sockets to xskmap.

Signed-off-by: Tushar Vyavahare <tushar.vyavahare@...el.com>
---
 tools/testing/selftests/bpf/xsk.c        | 3 +--
 tools/testing/selftests/bpf/xsk.h        | 2 +-
 tools/testing/selftests/bpf/xskxceiver.c | 6 +++---
 3 files changed, 5 insertions(+), 6 deletions(-)

diff --git a/tools/testing/selftests/bpf/xsk.c b/tools/testing/selftests/bpf/xsk.c
index d9fb2b730a2c..e574711eeb84 100644
--- a/tools/testing/selftests/bpf/xsk.c
+++ b/tools/testing/selftests/bpf/xsk.c
@@ -442,10 +442,9 @@ void xsk_clear_xskmap(struct bpf_map *map)
 	bpf_map_delete_elem(map_fd, &index);
 }
 
-int xsk_update_xskmap(struct bpf_map *map, struct xsk_socket *xsk)
+int xsk_update_xskmap(struct bpf_map *map, struct xsk_socket *xsk, u32 index)
 {
 	int map_fd, sock_fd;
-	u32 index = 0;
 
 	map_fd = bpf_map__fd(map);
 	sock_fd = xsk_socket__fd(xsk);
diff --git a/tools/testing/selftests/bpf/xsk.h b/tools/testing/selftests/bpf/xsk.h
index d93200fdaa8d..771570bc3731 100644
--- a/tools/testing/selftests/bpf/xsk.h
+++ b/tools/testing/selftests/bpf/xsk.h
@@ -204,7 +204,7 @@ struct xsk_umem_config {
 
 int xsk_attach_xdp_program(struct bpf_program *prog, int ifindex, u32 xdp_flags);
 void xsk_detach_xdp_program(int ifindex, u32 xdp_flags);
-int xsk_update_xskmap(struct bpf_map *map, struct xsk_socket *xsk);
+int xsk_update_xskmap(struct bpf_map *map, struct xsk_socket *xsk, u32 index);
 void xsk_clear_xskmap(struct bpf_map *map);
 bool xsk_is_in_mode(u32 ifindex, int mode);
 
diff --git a/tools/testing/selftests/bpf/xskxceiver.c b/tools/testing/selftests/bpf/xskxceiver.c
index ce869431556c..0432c516a413 100644
--- a/tools/testing/selftests/bpf/xskxceiver.c
+++ b/tools/testing/selftests/bpf/xskxceiver.c
@@ -1608,7 +1608,7 @@ static void thread_common_ops(struct test_spec *test, struct ifobject *ifobject)
 
 	xsk_populate_fill_ring(ifobject->umem, ifobject->xsk->pkt_stream, ifobject->use_fill_ring);
 
-	ret = xsk_update_xskmap(ifobject->xskmap, ifobject->xsk->xsk);
+	ret = xsk_update_xskmap(ifobject->xskmap, ifobject->xsk->xsk, 0);
 	if (ret)
 		exit_with_error(errno);
 }
@@ -1646,7 +1646,7 @@ static void *worker_testapp_validate_rx(void *arg)
 		thread_common_ops(test, ifobject);
 	} else {
 		xsk_clear_xskmap(ifobject->xskmap);
-		err = xsk_update_xskmap(ifobject->xskmap, ifobject->xsk->xsk);
+		err = xsk_update_xskmap(ifobject->xskmap, ifobject->xsk->xsk, 0);
 		if (err) {
 			ksft_print_msg("Error: Failed to update xskmap, error %s\n",
 				       strerror(-err));
@@ -1884,7 +1884,7 @@ static int swap_xsk_resources(struct test_spec *test)
 	test->ifobj_tx->xsk = &test->ifobj_tx->xsk_arr[1];
 	test->ifobj_rx->xsk = &test->ifobj_rx->xsk_arr[1];
 
-	ret = xsk_update_xskmap(test->ifobj_rx->xskmap, test->ifobj_rx->xsk->xsk);
+	ret = xsk_update_xskmap(test->ifobj_rx->xskmap, test->ifobj_rx->xsk->xsk, 0);
 	if (ret)
 		return TEST_FAILURE;
 
-- 
2.34.1