Thread (9 messages) flat view 9 messages, 3 authors, 15d ago

[for-next v6 1/2] net: ionic: Fetch RCQ sign bit from firmware

From: Abhijit Gangurde <abhijit.gangurde@amd.com>
Date: 2026-08-13 10:51:22
Also in: linux-rdma, lkml
Subsystem: networking drivers, pensando ethernet drivers, the rest · Maintainers: Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Brett Creeley, Linus Torvalds

Read the rcq_sign_bit from the RDMA LIF identity reported by firmware.

Signed-off-by: Abhijit Gangurde <abhijit.gangurde@amd.com>
---
 drivers/net/ethernet/pensando/ionic/ionic_if.h | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/drivers/net/ethernet/pensando/ionic/ionic_if.h b/drivers/net/ethernet/pensando/ionic/ionic_if.h
index 6afc1fc3c7ed..15f2bc3f4043 100644
--- a/drivers/net/ethernet/pensando/ionic/ionic_if.h
+++ b/drivers/net/ethernet/pensando/ionic/ionic_if.h
@@ -555,6 +555,8 @@ enum ionic_lif_rdma_cap_stats {
  *	@rdma.eq_qtype:        RDMA Event Qtype
  *	@rdma.stats_type:      Supported statistics type
  *	                       (enum ionic_lif_rdma_cap_stats)
+ *	@rdma.rsvd:            Reserved byte
+ *	@rdma.rcq_sign_bit:    RCQ sign bit
  *	@rdma.rsvd1:           Reserved byte(s)
  * @words:               word access to struct contents
  */
@@ -600,7 +602,9 @@ union ionic_lif_identity {
 			struct ionic_lif_logical_qtype cq_qtype;
 			struct ionic_lif_logical_qtype eq_qtype;
 			__le16 stats_type;
-			u8 rsvd1[162];
+			u8 rsvd;
+			u8 rcq_sign_bit;
+			u8 rsvd1[160];
 		} __packed rdma;
 	} __packed;
 	__le32 words[478];
-- 
2.43.0
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