Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
net: mctp: test: Add extaddr routing output test
Test that the routing code preserves the haddr data in a skb through an
input route operation.
Signed-off-by: Jeremy Kerr <jk@codeconstruct.com.au>
Link: https://patch.msgid.link/20250702-dev-forwarding-v5-6-1468191da8a4@codeconstruct.com.au
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
authored by
Jeremy Kerr
and committed by
Paolo Abeni
46ee1646
96b341a8
+53
+53
net/mctp/test/route-test.c
+53
net/mctp/test/route-test.c
···
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mctp_test_destroy_dev(dev);
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}
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static void mctp_test_route_extaddr_input(struct kunit *test)
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{
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static const unsigned char haddr[] = { 0xaa, 0x55 };
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struct mctp_test_pktqueue tpq;
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struct mctp_skb_cb *cb, *cb2;
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const unsigned int len = 40;
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struct mctp_test_dev *dev;
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struct sk_buff *skb, *skb2;
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struct mctp_dst dst;
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struct mctp_hdr hdr;
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struct socket *sock;
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int rc;
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hdr.ver = 1;
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hdr.src = 10;
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hdr.dest = 8;
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hdr.flags_seq_tag = FL_S | FL_E | FL_TO;
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__mctp_route_test_init(test, &dev, &dst, &tpq, &sock, MCTP_NET_ANY);
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skb = mctp_test_create_skb(&hdr, len);
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KUNIT_ASSERT_NOT_ERR_OR_NULL(test, skb);
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/* set our hardware addressing data */
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cb = mctp_cb(skb);
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memcpy(cb->haddr, haddr, sizeof(haddr));
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cb->halen = sizeof(haddr);
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mctp_test_skb_set_dev(skb, dev);
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rc = mctp_dst_input(&dst, skb);
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KUNIT_ASSERT_EQ(test, rc, 0);
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mctp_test_dst_release(&dst, &tpq);
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skb2 = skb_recv_datagram(sock->sk, MSG_DONTWAIT, &rc);
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KUNIT_ASSERT_NOT_ERR_OR_NULL(test, skb2);
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KUNIT_ASSERT_EQ(test, skb2->len, len);
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cb2 = mctp_cb(skb2);
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/* Received SKB should have the hardware addressing as set above.
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* We're likely to have the same actual cb here (ie., cb == cb2),
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* but it's the comparison that we care about
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*/
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KUNIT_EXPECT_EQ(test, cb2->halen, sizeof(haddr));
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KUNIT_EXPECT_MEMEQ(test, cb2->haddr, haddr, sizeof(haddr));
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skb_free_datagram(sock->sk, skb2);
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mctp_test_destroy_dev(dev);
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}
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static struct kunit_case mctp_test_cases[] = {
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KUNIT_CASE_PARAM(mctp_test_fragment, mctp_frag_gen_params),
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KUNIT_CASE_PARAM(mctp_test_rx_input, mctp_rx_input_gen_params),
···
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KUNIT_CASE(mctp_test_fragment_flow),
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KUNIT_CASE(mctp_test_route_output_key_create),
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KUNIT_CASE(mctp_test_route_input_cloned_frag),
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KUNIT_CASE(mctp_test_route_extaddr_input),
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{}
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};
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