summaryrefslogtreecommitdiff
path: root/tools/testing
diff options
context:
space:
mode:
authorMartin KaFai Lau <martin.lau@kernel.org>2023-02-17 23:13:09 +0300
committerMartin KaFai Lau <martin.lau@kernel.org>2023-02-17 23:24:33 +0300
commit181127fb76e62d06ab17a75fd610129688612343 (patch)
tree1d3bc497410981d7d026f52e328a62d2753ea421 /tools/testing
parente2b5cfc978f871996d1f8667515c0e06b33e620e (diff)
downloadlinux-181127fb76e62d06ab17a75fd610129688612343.tar.xz
Revert "bpf, test_run: fix &xdp_frame misplacement for LIVE_FRAMES"
This reverts commit 6c20822fada1b8adb77fa450d03a0d449686a4a9. build bot failed on arch with different cache line size: https://lore.kernel.org/bpf/50c35055-afa9-d01e-9a05-ea5351280e4f@intel.com/ Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org>
Diffstat (limited to 'tools/testing')
-rw-r--r--tools/testing/selftests/bpf/prog_tests/xdp_do_redirect.c7
1 files changed, 3 insertions, 4 deletions
diff --git a/tools/testing/selftests/bpf/prog_tests/xdp_do_redirect.c b/tools/testing/selftests/bpf/prog_tests/xdp_do_redirect.c
index 7271a18ab3e2..2666c84dbd01 100644
--- a/tools/testing/selftests/bpf/prog_tests/xdp_do_redirect.c
+++ b/tools/testing/selftests/bpf/prog_tests/xdp_do_redirect.c
@@ -65,13 +65,12 @@ static int attach_tc_prog(struct bpf_tc_hook *hook, int fd)
}
/* The maximum permissible size is: PAGE_SIZE - sizeof(struct xdp_page_head) -
- * SKB_DATA_ALIGN(sizeof(struct skb_shared_info)) - XDP_PACKET_HEADROOM =
- * 3408 bytes for 64-byte cacheline and 3216 for 256-byte one.
+ * sizeof(struct skb_shared_info) - XDP_PACKET_HEADROOM = 3368 bytes
*/
#if defined(__s390x__)
-#define MAX_PKT_SIZE 3216
+#define MAX_PKT_SIZE 3176
#else
-#define MAX_PKT_SIZE 3408
+#define MAX_PKT_SIZE 3368
#endif
static void test_max_pkt_size(int fd)
{