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142 lines
4.0 KiB
142 lines
4.0 KiB
// SPDX-License-Identifier: GPL-2.0 |
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#include <kunit/test.h> |
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#include "protocol.h" |
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static struct mptcp_subflow_request_sock *build_req_sock(struct kunit *test) |
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{ |
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struct mptcp_subflow_request_sock *req; |
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req = kunit_kzalloc(test, sizeof(struct mptcp_subflow_request_sock), |
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GFP_USER); |
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KUNIT_EXPECT_NOT_ERR_OR_NULL(test, req); |
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mptcp_token_init_request((struct request_sock *)req); |
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sock_net_set((struct sock *)req, &init_net); |
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return req; |
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} |
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static void mptcp_token_test_req_basic(struct kunit *test) |
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{ |
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struct mptcp_subflow_request_sock *req = build_req_sock(test); |
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struct mptcp_sock *null_msk = NULL; |
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KUNIT_ASSERT_EQ(test, 0, |
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mptcp_token_new_request((struct request_sock *)req)); |
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KUNIT_EXPECT_NE(test, 0, (int)req->token); |
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KUNIT_EXPECT_PTR_EQ(test, null_msk, mptcp_token_get_sock(&init_net, req->token)); |
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/* cleanup */ |
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mptcp_token_destroy_request((struct request_sock *)req); |
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} |
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static struct inet_connection_sock *build_icsk(struct kunit *test) |
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{ |
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struct inet_connection_sock *icsk; |
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icsk = kunit_kzalloc(test, sizeof(struct inet_connection_sock), |
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GFP_USER); |
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KUNIT_EXPECT_NOT_ERR_OR_NULL(test, icsk); |
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return icsk; |
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} |
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static struct mptcp_subflow_context *build_ctx(struct kunit *test) |
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{ |
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struct mptcp_subflow_context *ctx; |
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ctx = kunit_kzalloc(test, sizeof(struct mptcp_subflow_context), |
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GFP_USER); |
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KUNIT_EXPECT_NOT_ERR_OR_NULL(test, ctx); |
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return ctx; |
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} |
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static struct mptcp_sock *build_msk(struct kunit *test) |
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{ |
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struct mptcp_sock *msk; |
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msk = kunit_kzalloc(test, sizeof(struct mptcp_sock), GFP_USER); |
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KUNIT_EXPECT_NOT_ERR_OR_NULL(test, msk); |
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refcount_set(&((struct sock *)msk)->sk_refcnt, 1); |
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sock_net_set((struct sock *)msk, &init_net); |
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return msk; |
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} |
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static void mptcp_token_test_msk_basic(struct kunit *test) |
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{ |
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struct inet_connection_sock *icsk = build_icsk(test); |
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struct mptcp_subflow_context *ctx = build_ctx(test); |
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struct mptcp_sock *msk = build_msk(test); |
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struct mptcp_sock *null_msk = NULL; |
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struct sock *sk; |
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rcu_assign_pointer(icsk->icsk_ulp_data, ctx); |
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ctx->conn = (struct sock *)msk; |
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sk = (struct sock *)msk; |
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KUNIT_ASSERT_EQ(test, 0, |
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mptcp_token_new_connect((struct sock *)icsk)); |
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KUNIT_EXPECT_NE(test, 0, (int)ctx->token); |
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KUNIT_EXPECT_EQ(test, ctx->token, msk->token); |
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KUNIT_EXPECT_PTR_EQ(test, msk, mptcp_token_get_sock(&init_net, ctx->token)); |
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KUNIT_EXPECT_EQ(test, 2, (int)refcount_read(&sk->sk_refcnt)); |
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mptcp_token_destroy(msk); |
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KUNIT_EXPECT_PTR_EQ(test, null_msk, mptcp_token_get_sock(&init_net, ctx->token)); |
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} |
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static void mptcp_token_test_accept(struct kunit *test) |
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{ |
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struct mptcp_subflow_request_sock *req = build_req_sock(test); |
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struct mptcp_sock *msk = build_msk(test); |
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KUNIT_ASSERT_EQ(test, 0, |
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mptcp_token_new_request((struct request_sock *)req)); |
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msk->token = req->token; |
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mptcp_token_accept(req, msk); |
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KUNIT_EXPECT_PTR_EQ(test, msk, mptcp_token_get_sock(&init_net, msk->token)); |
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/* this is now a no-op */ |
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mptcp_token_destroy_request((struct request_sock *)req); |
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KUNIT_EXPECT_PTR_EQ(test, msk, mptcp_token_get_sock(&init_net, msk->token)); |
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/* cleanup */ |
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mptcp_token_destroy(msk); |
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} |
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static void mptcp_token_test_destroyed(struct kunit *test) |
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{ |
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struct mptcp_subflow_request_sock *req = build_req_sock(test); |
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struct mptcp_sock *msk = build_msk(test); |
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struct mptcp_sock *null_msk = NULL; |
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struct sock *sk; |
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sk = (struct sock *)msk; |
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KUNIT_ASSERT_EQ(test, 0, |
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mptcp_token_new_request((struct request_sock *)req)); |
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msk->token = req->token; |
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mptcp_token_accept(req, msk); |
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/* simulate race on removal */ |
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refcount_set(&sk->sk_refcnt, 0); |
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KUNIT_EXPECT_PTR_EQ(test, null_msk, mptcp_token_get_sock(&init_net, msk->token)); |
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/* cleanup */ |
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mptcp_token_destroy(msk); |
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} |
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static struct kunit_case mptcp_token_test_cases[] = { |
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KUNIT_CASE(mptcp_token_test_req_basic), |
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KUNIT_CASE(mptcp_token_test_msk_basic), |
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KUNIT_CASE(mptcp_token_test_accept), |
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KUNIT_CASE(mptcp_token_test_destroyed), |
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{} |
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}; |
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static struct kunit_suite mptcp_token_suite = { |
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.name = "mptcp-token", |
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.test_cases = mptcp_token_test_cases, |
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}; |
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kunit_test_suite(mptcp_token_suite); |
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MODULE_LICENSE("GPL");
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