netdev - [PATCH rdma-next 02/10] RDMA/bnxt_re: Add data structures for RoCE mirror support

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Message-ID: <20250822040801.776196-3-kalesh-anakkur.purayil@broadcom.com>
Date: Fri, 22 Aug 2025 09:37:53 +0530
From: Kalesh AP <kalesh-anakkur.purayil@...adcom.com>
To: leon@...nel.org,
	jgg@...pe.ca
Cc: linux-rdma@...r.kernel.org,
	netdev@...r.kernel.org,
	andrew.gospodarek@...adcom.com,
	selvin.xavier@...adcom.com,
	michael.chan@...adcom.com,
	Saravanan Vajravel <saravanan.vajravel@...adcom.com>,
	Kalesh AP <kalesh-anakkur.purayil@...adcom.com>
Subject: [PATCH rdma-next 02/10] RDMA/bnxt_re: Add data structures for RoCE mirror support

From: Saravanan Vajravel <saravanan.vajravel@...adcom.com>

Added data structures required for supporting mirroring on
RoCE device.

Signed-off-by: Saravanan Vajravel <saravanan.vajravel@...adcom.com>
Reviewed-by: Selvin Xavier <selvin.xavier@...adcom.com>
Signed-off-by: Kalesh AP <kalesh-anakkur.purayil@...adcom.com>
---
 drivers/infiniband/hw/bnxt_re/bnxt_re.h    | 5 +++++
 drivers/infiniband/hw/bnxt_re/ib_verbs.h   | 5 +++++
 drivers/infiniband/hw/bnxt_re/qplib_fp.h   | 1 +
 drivers/infiniband/hw/bnxt_re/qplib_rcfw.h | 1 +
 drivers/infiniband/hw/bnxt_re/qplib_res.h  | 6 ++++++
 5 files changed, 18 insertions(+)

diff --git a/drivers/infiniband/hw/bnxt_re/bnxt_re.h b/drivers/infiniband/hw/bnxt_re/bnxt_re.h
index b5d0e38c7396..1cb57c8246cc 100644
--- a/drivers/infiniband/hw/bnxt_re/bnxt_re.h
+++ b/drivers/infiniband/hw/bnxt_re/bnxt_re.h
@@ -172,6 +172,7 @@ struct bnxt_re_dev {
 	struct list_head		list;
 	unsigned long			flags;
 #define BNXT_RE_FLAG_NETDEV_REGISTERED		0
+#define BNXT_RE_FLAG_STATS_CTX3_ALLOC		1
 #define BNXT_RE_FLAG_HAVE_L2_REF		3
 #define BNXT_RE_FLAG_RCFW_CHANNEL_EN		4
 #define BNXT_RE_FLAG_QOS_WORK_REG		5
@@ -229,6 +230,10 @@ struct bnxt_re_dev {
 	struct bnxt_re_dbg_cc_config_params *cc_config_params;
 #define BNXT_VPD_FLD_LEN	32
 	char			board_partno[BNXT_VPD_FLD_LEN];
+	/* RoCE mirror */
+	u16			mirror_vnic_id;
+	union			ib_gid ugid;
+	u32			ugid_index;
 };
 
 #define to_bnxt_re_dev(ptr, member)	\
diff --git a/drivers/infiniband/hw/bnxt_re/ib_verbs.h b/drivers/infiniband/hw/bnxt_re/ib_verbs.h
index fe00ab691a51..445a28b3cd96 100644
--- a/drivers/infiniband/hw/bnxt_re/ib_verbs.h
+++ b/drivers/infiniband/hw/bnxt_re/ib_verbs.h
@@ -164,6 +164,11 @@ struct bnxt_re_user_mmap_entry {
 	u8 mmap_flag;
 };
 
+struct bnxt_re_flow {
+	struct ib_flow		ib_flow;
+	struct bnxt_re_dev	*rdev;
+};
+
 static inline u16 bnxt_re_get_swqe_size(int nsge)
 {
 	return sizeof(struct sq_send_hdr) + nsge * sizeof(struct sq_sge);
diff --git a/drivers/infiniband/hw/bnxt_re/qplib_fp.h b/drivers/infiniband/hw/bnxt_re/qplib_fp.h
index 074c539c69c1..3bd995ced9ca 100644
--- a/drivers/infiniband/hw/bnxt_re/qplib_fp.h
+++ b/drivers/infiniband/hw/bnxt_re/qplib_fp.h
@@ -345,6 +345,7 @@ struct bnxt_qplib_qp {
 	u32				msn_tbl_sz;
 	bool				is_host_msn_tbl;
 	u8				tos_dscp;
+	u32				ugid_index;
 };
 
 #define BNXT_RE_MAX_MSG_SIZE	0x80000000
diff --git a/drivers/infiniband/hw/bnxt_re/qplib_rcfw.h b/drivers/infiniband/hw/bnxt_re/qplib_rcfw.h
index ff873c5f1b25..988c89b4232e 100644
--- a/drivers/infiniband/hw/bnxt_re/qplib_rcfw.h
+++ b/drivers/infiniband/hw/bnxt_re/qplib_rcfw.h
@@ -236,6 +236,7 @@ struct bnxt_qplib_rcfw {
 	atomic_t timeout_send;
 	/* cached from chip cctx for quick reference in slow path */
 	u16 max_timeout;
+	bool roce_mirror;
 };
 
 struct bnxt_qplib_cmdqmsg {
diff --git a/drivers/infiniband/hw/bnxt_re/qplib_res.h b/drivers/infiniband/hw/bnxt_re/qplib_res.h
index 6a13927674b4..12e2fa23794a 100644
--- a/drivers/infiniband/hw/bnxt_re/qplib_res.h
+++ b/drivers/infiniband/hw/bnxt_re/qplib_res.h
@@ -65,6 +65,7 @@ struct bnxt_qplib_drv_modes {
 	bool db_push;
 	bool dbr_pacing;
 	u32 toggle_bits;
+	u8 roce_mirror;
 };
 
 enum bnxt_re_toggle_modes {
@@ -582,6 +583,11 @@ static inline u8 bnxt_qplib_dbr_pacing_en(struct bnxt_qplib_chip_ctx *cctx)
 	return cctx->modes.dbr_pacing;
 }
 
+static inline u8 bnxt_qplib_roce_mirror_supported(struct bnxt_qplib_chip_ctx *cctx)
+{
+	return cctx->modes.roce_mirror;
+}
+
 static inline bool _is_alloc_mr_unified(u16 dev_cap_flags)
 {
 	return dev_cap_flags & CREQ_QUERY_FUNC_RESP_SB_MR_REGISTER_ALLOC;
-- 
2.43.5