diff options
author | Jeremy Kerr <jk@codeconstruct.com.au> | 2022-02-09 12:05:54 +0800 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2022-02-09 12:00:11 +0000 |
commit | c5755214623dd7aaafc5204458a0a30b7469850c (patch) | |
tree | 63f5690c4946f967cf677135d2232c45dc639a19 /net | |
parent | 62a2b005c6d639b6bd7a63fe2f0a96eaf06f0057 (diff) |
mctp: tests: Add key state tests
This change adds a few more tests to check the key/tag lookups on route
input. We add a specific entry to the keys lists, route a packet with
specific header values, and check for key match/mismatch.
Signed-off-by: Jeremy Kerr <jk@codeconstruct.com.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net')
-rw-r--r-- | net/mctp/test/route-test.c | 137 |
1 files changed, 137 insertions, 0 deletions
diff --git a/net/mctp/test/route-test.c b/net/mctp/test/route-test.c index 5862f7fea01f..dad6bff40153 100644 --- a/net/mctp/test/route-test.c +++ b/net/mctp/test/route-test.c @@ -370,6 +370,7 @@ static void mctp_test_route_input_sk(struct kunit *test) #define FL_S (MCTP_HDR_FLAG_SOM) #define FL_E (MCTP_HDR_FLAG_EOM) #define FL_TO (MCTP_HDR_FLAG_TO) +#define FL_T(t) ((t) & MCTP_HDR_TAG_MASK) static const struct mctp_route_input_sk_test mctp_route_input_sk_tests[] = { { .hdr = RX_HDR(1, 10, 8, FL_S | FL_E | FL_TO), .type = 0, .deliver = true }, @@ -522,12 +523,148 @@ static void mctp_route_input_sk_reasm_to_desc( KUNIT_ARRAY_PARAM(mctp_route_input_sk_reasm, mctp_route_input_sk_reasm_tests, mctp_route_input_sk_reasm_to_desc); +struct mctp_route_input_sk_keys_test { + const char *name; + mctp_eid_t key_peer_addr; + mctp_eid_t key_local_addr; + u8 key_tag; + struct mctp_hdr hdr; + bool deliver; +}; + +/* test packet rx in the presence of various key configurations */ +static void mctp_test_route_input_sk_keys(struct kunit *test) +{ + const struct mctp_route_input_sk_keys_test *params; + struct mctp_test_route *rt; + struct sk_buff *skb, *skb2; + struct mctp_test_dev *dev; + struct mctp_sk_key *key; + struct netns_mctp *mns; + struct mctp_sock *msk; + struct socket *sock; + unsigned long flags; + int rc; + u8 c; + + params = test->param_value; + + dev = mctp_test_create_dev(); + KUNIT_ASSERT_NOT_ERR_OR_NULL(test, dev); + + rt = mctp_test_create_route(&init_net, dev->mdev, 8, 68); + KUNIT_ASSERT_NOT_ERR_OR_NULL(test, rt); + + rc = sock_create_kern(&init_net, AF_MCTP, SOCK_DGRAM, 0, &sock); + KUNIT_ASSERT_EQ(test, rc, 0); + + msk = container_of(sock->sk, struct mctp_sock, sk); + mns = &sock_net(sock->sk)->mctp; + + /* set the incoming tag according to test params */ + key = mctp_key_alloc(msk, params->key_local_addr, params->key_peer_addr, + params->key_tag, GFP_KERNEL); + + KUNIT_ASSERT_NOT_ERR_OR_NULL(test, key); + + spin_lock_irqsave(&mns->keys_lock, flags); + mctp_reserve_tag(&init_net, key, msk); + spin_unlock_irqrestore(&mns->keys_lock, flags); + + /* create packet and route */ + c = 0; + skb = mctp_test_create_skb_data(¶ms->hdr, &c); + KUNIT_ASSERT_NOT_ERR_OR_NULL(test, skb); + + skb->dev = dev->ndev; + __mctp_cb(skb); + + rc = mctp_route_input(&rt->rt, skb); + + /* (potentially) receive message */ + skb2 = skb_recv_datagram(sock->sk, 0, 1, &rc); + + if (params->deliver) + KUNIT_EXPECT_NOT_ERR_OR_NULL(test, skb2); + else + KUNIT_EXPECT_PTR_EQ(test, skb2, NULL); + + if (skb2) + skb_free_datagram(sock->sk, skb2); + + mctp_key_unref(key); + __mctp_route_test_fini(test, dev, rt, sock); +} + +static const struct mctp_route_input_sk_keys_test mctp_route_input_sk_keys_tests[] = { + { + .name = "direct match", + .key_peer_addr = 9, + .key_local_addr = 8, + .key_tag = 1, + .hdr = RX_HDR(1, 9, 8, FL_S | FL_E | FL_T(1)), + .deliver = true, + }, + { + .name = "flipped src/dest", + .key_peer_addr = 8, + .key_local_addr = 9, + .key_tag = 1, + .hdr = RX_HDR(1, 9, 8, FL_S | FL_E | FL_T(1)), + .deliver = false, + }, + { + .name = "peer addr mismatch", + .key_peer_addr = 9, + .key_local_addr = 8, + .key_tag = 1, + .hdr = RX_HDR(1, 10, 8, FL_S | FL_E | FL_T(1)), + .deliver = false, + }, + { + .name = "tag value mismatch", + .key_peer_addr = 9, + .key_local_addr = 8, + .key_tag = 1, + .hdr = RX_HDR(1, 9, 8, FL_S | FL_E | FL_T(2)), + .deliver = false, + }, + { + .name = "TO mismatch", + .key_peer_addr = 9, + .key_local_addr = 8, + .key_tag = 1, + .hdr = RX_HDR(1, 9, 8, FL_S | FL_E | FL_T(1) | FL_TO), + .deliver = false, + }, + { + .name = "broadcast response", + .key_peer_addr = MCTP_ADDR_ANY, + .key_local_addr = 8, + .key_tag = 1, + .hdr = RX_HDR(1, 11, 8, FL_S | FL_E | FL_T(1)), + .deliver = true, + }, +}; + +static void mctp_route_input_sk_keys_to_desc( + const struct mctp_route_input_sk_keys_test *t, + char *desc) +{ + sprintf(desc, "%s", t->name); +} + +KUNIT_ARRAY_PARAM(mctp_route_input_sk_keys, mctp_route_input_sk_keys_tests, + mctp_route_input_sk_keys_to_desc); + static struct kunit_case mctp_test_cases[] = { KUNIT_CASE_PARAM(mctp_test_fragment, mctp_frag_gen_params), KUNIT_CASE_PARAM(mctp_test_rx_input, mctp_rx_input_gen_params), KUNIT_CASE_PARAM(mctp_test_route_input_sk, mctp_route_input_sk_gen_params), KUNIT_CASE_PARAM(mctp_test_route_input_sk_reasm, mctp_route_input_sk_reasm_gen_params), + KUNIT_CASE_PARAM(mctp_test_route_input_sk_keys, + mctp_route_input_sk_keys_gen_params), {} }; |