[for-next v4 1/2] net: ionic: Fetch RCQ sign bit from firmware
From: Abhijit Gangurde <abhijit.gangurde@amd.com>
Date: 2026-07-21 12:11:06
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 23d6e2b4791e..b97de96f78c4 100644
--- a/drivers/net/ethernet/pensando/ionic/ionic_if.h
+++ b/drivers/net/ethernet/pensando/ionic/ionic_if.h@@ -553,6 +553,8 @@ 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 */
@@ -598,7 +600,9 @@ 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