[PATCH net-next v2 1/7] net: mctp: usblib: Add to parameterized kunit tests.
From: James Lee <hidden>
Date: 2026-09-03 02:42:47
Also in:
linux-hardening, lkml
Subsystem:
management component transport protocol (mctp), networking drivers, the rest · Maintainers:
Jeremy Kerr, Matt Johnston, Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
Add parameterized tests to cover worst case scenarios for packet splitting and length. Signed-off-by: James Lee <redacted> --- drivers/net/mctp/mctp-usblib-test.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-)
diff --git a/drivers/net/mctp/mctp-usblib-test.c b/drivers/net/mctp/mctp-usblib-test.c
index 9df401a914ff537207911f03bd08f32b5a5e20d1..4c27307900fb6116572bc9d89f3def6f06c30397 100644
--- a/drivers/net/mctp/mctp-usblib-test.c
+++ b/drivers/net/mctp/mctp-usblib-test.c@@ -386,12 +386,18 @@ static const struct mctp_usblib_test_pkt_span mctp_usblib_test_pkt_spans[] = { { "1p2x-split-mctphdr", 1, { 16 }, 2, { 6, 10 } }, /* Single packet split over 3 transfers, middle entirely continuation */ { "1p3x-split", 1, { 12 }, 3, { 4, 4, 4 } }, + /* A packet split over 5 transfers, splitting on and between each header. */ + { "1p5x-split", 1, { 12 }, 5, { 3, 1, 1, 3, 4}}, /* Max-sized single transfer */ { "1p1x-large", 1, { 8191 }, 1, { 8191 } }, /* Two large packets, split at the worst-case for allocation, with a * single byte continuing the span */ - { "2p2x-large-split", 2, { 8190, 8190 }, 2, { 8191, 8189 } }, + { "2p2x-large-split", 2, { 8190, 8191 }, 2, { 8191, 8190 } }, + /* Three large packets, split at the worst-case for allocation, + * with a single byte continuing each span + */ + { "3p3x-large-split", 3, { 8190, 8191, 8191 }, 3, { 8191, 8191, 8190 } }, }; KUNIT_ARRAY_PARAM(mctp_usblib_test_rx_pkt_span, mctp_usblib_test_pkt_spans,
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2.47.3