diff mbox series

[mptcp-next,v9,07/13] Squash to "selftests/bpf: Add bpf_bkup scheduler & test"

Message ID 5843a90bb1e04bd7b635798fc6b1a0667c77f963.1730268415.git.tanggeliang@kylinos.cn (mailing list archive)
State Changes Requested
Commit ea4672e6e0428eec25c80d562344926367b0a75a
Headers show
Series use bpf_iter in bpf schedulers | expand

Checks

Context Check Description
matttbe/checkpatch success total: 0 errors, 0 warnings, 0 checks, 42 lines checked
matttbe/shellcheck success MPTCP selftests files have not been modified
matttbe/build success Build and static analysis OK
matttbe/KVM_Validation__normal success Success! ✅
matttbe/KVM_Validation__debug success Success! ✅
matttbe/KVM_Validation__btf-normal__only_bpftest_all_ success Success! ✅
matttbe/KVM_Validation__btf-debug__only_bpftest_all_ success Success! ✅

Commit Message

Geliang Tang Oct. 30, 2024, 6:10 a.m. UTC 
From: Geliang Tang <tanggeliang@kylinos.cn>

Update test_bpf_sched().

Use the newly added bpf_for_each() helper to walk the conn_list.

Signed-off-by: Geliang Tang <tanggeliang@kylinos.cn>
---
 tools/testing/selftests/bpf/prog_tests/mptcp.c |  2 +-
 .../selftests/bpf/progs/mptcp_bpf_bkup.c       | 18 ++++--------------
 2 files changed, 5 insertions(+), 15 deletions(-)
diff mbox series

Patch

diff --git a/tools/testing/selftests/bpf/prog_tests/mptcp.c b/tools/testing/selftests/bpf/prog_tests/mptcp.c
index a6574a537679..d388bfca21bf 100644
--- a/tools/testing/selftests/bpf/prog_tests/mptcp.c
+++ b/tools/testing/selftests/bpf/prog_tests/mptcp.c
@@ -696,7 +696,7 @@  static void test_bkup(void)
 	if (!ASSERT_OK_PTR(skel, "open_and_load: bkup"))
 		return;
 
-	test_bpf_sched(skel->obj, "bkup", WITH_DATA, WITHOUT_DATA);
+	test_bpf_sched(skel->maps.bkup, "bkup", WITH_DATA, WITHOUT_DATA);
 	mptcp_bpf_bkup__destroy(skel);
 }
 
diff --git a/tools/testing/selftests/bpf/progs/mptcp_bpf_bkup.c b/tools/testing/selftests/bpf/progs/mptcp_bpf_bkup.c
index 296f0318d843..0c32ce623bab 100644
--- a/tools/testing/selftests/bpf/progs/mptcp_bpf_bkup.c
+++ b/tools/testing/selftests/bpf/progs/mptcp_bpf_bkup.c
@@ -20,30 +20,20 @@  SEC("struct_ops")
 int BPF_PROG(bpf_bkup_get_subflow, struct mptcp_sock *msk,
 	     struct mptcp_sched_data *data)
 {
-	int nr = -1;
-
-	for (int i = 0; i < data->subflows && i < MPTCP_SUBFLOWS_MAX; i++) {
-		struct mptcp_subflow_context *subflow;
-
-		subflow = bpf_mptcp_subflow_ctx_by_pos(data, i);
-		if (!subflow)
-			break;
+	struct mptcp_subflow_context *subflow;
 
+	bpf_for_each(mptcp_subflow, subflow, msk) {
 		if (!BPF_CORE_READ_BITFIELD_PROBED(subflow, backup) ||
 		    !BPF_CORE_READ_BITFIELD_PROBED(subflow, request_bkup)) {
-			nr = i;
+			mptcp_subflow_set_scheduled(subflow, true);
 			break;
 		}
 	}
 
-	if (nr != -1) {
-		mptcp_subflow_set_scheduled(bpf_mptcp_subflow_ctx_by_pos(data, nr), true);
-		return -1;
-	}
 	return 0;
 }
 
-SEC(".struct_ops")
+SEC(".struct_ops.link")
 struct mptcp_sched_ops bkup = {
 	.init		= (void *)mptcp_sched_bkup_init,
 	.release	= (void *)mptcp_sched_bkup_release,