eth: fbnic: Fix debugfs output for BDQ's with page frags

The rings size_mask represents the number of pages, so we need to
determine the number of page frags when dumping the descriptors.

Fixes: df04373b0dab ("eth fbnic: Add debugfs hooks for tx/rx rings")
Signed-off-by: Dimitri Daskalakis <daskald@meta.com>
Link: https://patch.msgid.link/20260324195123.3486219-3-dimitri.daskalakis1@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

diff --git a/drivers/net/ethernet/meta/fbnic/fbnic_debugfs.c b/drivers/net/ethernet/meta/fbnic/fbnic_debugfs.c
index 08270db2dee8644230486c3697bbfcd917d351ee..3c4563c8f403fac47cfafbdd2d06a4edabf0f0b5 100644 (file)
--- a/drivers/net/ethernet/meta/fbnic/fbnic_debugfs.c
+++ b/drivers/net/ethernet/meta/fbnic/fbnic_debugfs.c
@@ -197,7 +197,7 @@ static int fbnic_dbg_bdq_desc_seq_show(struct seq_file *s, void *v)
                return 0;
        }
 
-       for (i = 0; i <= ring->size_mask; i++) {
+       for (i = 0; i < (ring->size_mask + 1) * FBNIC_BD_FRAG_COUNT; i++) {
                u64 bd = le64_to_cpu(ring->desc[i]);
 
                seq_printf(s, "%04x %#04llx %#014llx\n", i,