diff mbox series

[net-next,1/2] nfp: add stub implementation of DCB IEEE callbacks

Message ID 20230110123542.46924-2-simon.horman@corigine.com (mailing list archive)
State Superseded
Delegated to: Netdev Maintainers
Headers show
Series nfp: add DCB IEEE support | expand

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Context Check Description
netdev/tree_selection success Clearly marked for net-next, async
netdev/fixes_present success Fixes tag not required for -next series
netdev/subject_prefix success Link
netdev/cover_letter success Series has a cover letter
netdev/patch_count success Link
netdev/header_inline success No static functions without inline keyword in header files
netdev/build_32bit success Errors and warnings before: 0 this patch: 0
netdev/cc_maintainers warning 2 maintainers not CCed: edumazet@google.com fei.qin@corigine.com
netdev/build_clang success Errors and warnings before: 0 this patch: 0
netdev/module_param success Was 0 now: 0
netdev/verify_signedoff success Signed-off-by tag matches author and committer
netdev/check_selftest success No net selftest shell script
netdev/verify_fixes success No Fixes tag
netdev/build_allmodconfig_warn success Errors and warnings before: 0 this patch: 0
netdev/checkpatch warning WARNING: added, moved or deleted file(s), does MAINTAINERS need updating?
netdev/kdoc success Errors and warnings before: 0 this patch: 0
netdev/source_inline success Was 0 now: 0

Commit Message

Simon Horman Jan. 10, 2023, 12:35 p.m. UTC 
From: Xingfeng Hu <xingfeng.hu@corigine.com>

Add stub implementation of DCB IEEE callbacks to allow exercising
user-driver to NFP driver control plane for related DCB configuration.
These stubs are to be filled out with code that interacts with the NIC.

Signed-off-by: Xingfeng Hu <xingfeng.hu@corigine.com>
Signed-off-by: Simon Horman <simon.horman@corigine.com>
---
 drivers/net/ethernet/netronome/nfp/Makefile   |  2 +
 drivers/net/ethernet/netronome/nfp/nic/dcb.c  | 73 +++++++++++++++++++
 drivers/net/ethernet/netronome/nfp/nic/main.c | 39 +++++++++-
 drivers/net/ethernet/netronome/nfp/nic/main.h | 25 +++++++
 4 files changed, 137 insertions(+), 2 deletions(-)
 create mode 100644 drivers/net/ethernet/netronome/nfp/nic/dcb.c
 create mode 100644 drivers/net/ethernet/netronome/nfp/nic/main.h
diff mbox series

Patch

diff --git a/drivers/net/ethernet/netronome/nfp/Makefile b/drivers/net/ethernet/netronome/nfp/Makefile
index 8a250214e289..c90d35f5ebca 100644
--- a/drivers/net/ethernet/netronome/nfp/Makefile
+++ b/drivers/net/ethernet/netronome/nfp/Makefile
@@ -83,3 +83,5 @@  endif
 nfp-$(CONFIG_NFP_NET_IPSEC) += crypto/ipsec.o nfd3/ipsec.o
 
 nfp-$(CONFIG_NFP_DEBUG) += nfp_net_debugfs.o
+
+nfp-$(CONFIG_DCB) += nic/dcb.o
diff --git a/drivers/net/ethernet/netronome/nfp/nic/dcb.c b/drivers/net/ethernet/netronome/nfp/nic/dcb.c
new file mode 100644
index 000000000000..91508222cbd6
--- /dev/null
+++ b/drivers/net/ethernet/netronome/nfp/nic/dcb.c
@@ -0,0 +1,73 @@ 
+// SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+/* Copyright (C) 2020 Netronome Systems, Inc. */
+/* Copyright (C) 2021 Corigine, Inc. */
+
+#include "../nfp_net.h"
+#include <linux/netdevice.h>
+#include <net/dcbnl.h>
+#include "main.h"
+
+static int nfp_nic_dcbnl_ieee_getets(struct net_device *dev,
+				     struct ieee_ets *ets)
+{
+	netdev_warn(dev, "%s: UNIMPLEMENTED\n", __func__);
+
+	return -EOPNOTSUPP;
+}
+
+static int nfp_nic_dcbnl_ieee_setets(struct net_device *dev,
+				     struct ieee_ets *ets)
+{
+	netdev_warn(dev, "%s: UNIMPLEMENTED\n", __func__);
+
+	return -EOPNOTSUPP;
+}
+
+static int nfp_nic_dcbnl_ieee_getmaxrate(struct net_device *dev,
+					 struct ieee_maxrate *maxrate)
+{
+	netdev_warn(dev, "%s: UNIMPLEMENTED\n", __func__);
+
+	return -EOPNOTSUPP;
+}
+
+static int nfp_nic_dcbnl_ieee_setmaxrate(struct net_device *dev,
+					 struct ieee_maxrate *maxrate)
+{
+	netdev_warn(dev, "%s: UNIMPLEMENTED\n", __func__);
+
+	return -EOPNOTSUPP;
+}
+
+static int nfp_nic_dcbnl_ieee_setapp(struct net_device *dev,
+				     struct dcb_app *app)
+{
+	netdev_warn(dev, "%s: UNIMPLEMENTED\n", __func__);
+
+	return -EOPNOTSUPP;
+}
+
+static int nfp_nic_dcbnl_ieee_delapp(struct net_device *dev,
+				     struct dcb_app *app)
+{
+	netdev_warn(dev, "%s: UNIMPLEMENTED\n", __func__);
+
+	return -EOPNOTSUPP;
+}
+
+static const struct dcbnl_rtnl_ops nfp_nic_dcbnl_ops = {
+	/* ieee 802.1Qaz std */
+	.ieee_getets	= nfp_nic_dcbnl_ieee_getets,
+	.ieee_setets	= nfp_nic_dcbnl_ieee_setets,
+	.ieee_getmaxrate = nfp_nic_dcbnl_ieee_getmaxrate,
+	.ieee_setmaxrate = nfp_nic_dcbnl_ieee_setmaxrate,
+	.ieee_setapp	= nfp_nic_dcbnl_ieee_setapp,
+	.ieee_delapp	= nfp_nic_dcbnl_ieee_delapp,
+};
+
+int nfp_nic_dcb_init(struct nfp_net *nn)
+{
+	nn->dp.netdev->dcbnl_ops = &nfp_nic_dcbnl_ops;
+
+	return 0;
+}
diff --git a/drivers/net/ethernet/netronome/nfp/nic/main.c b/drivers/net/ethernet/netronome/nfp/nic/main.c
index aea8579206ee..f78c2447d45b 100644
--- a/drivers/net/ethernet/netronome/nfp/nic/main.c
+++ b/drivers/net/ethernet/netronome/nfp/nic/main.c
@@ -5,6 +5,8 @@ 
 #include "../nfpcore/nfp_nsp.h"
 #include "../nfp_app.h"
 #include "../nfp_main.h"
+#include "../nfp_net.h"
+#include "main.h"
 
 static int nfp_nic_init(struct nfp_app *app)
 {
@@ -28,13 +30,46 @@  static void nfp_nic_sriov_disable(struct nfp_app *app)
 {
 }
 
+static int nfp_nic_vnic_init(struct nfp_app *app, struct nfp_net *nn)
+{
+	nfp_nic_dcb_init(nn);
+
+	return 0;
+}
+
+static int nfp_nic_vnic_alloc(struct nfp_app *app, struct nfp_net *nn,
+			      unsigned int id)
+{
+	struct nfp_app_nic_private *app_pri = nn->app_priv;
+	int err;
+
+	err = nfp_app_nic_vnic_alloc(app, nn, id);
+	if (err)
+		return err;
+
+	if (sizeof(*app_pri)) {
+		nn->app_priv = kzalloc(sizeof(*app_pri), GFP_KERNEL);
+		if (!nn->app_priv)
+			return -ENOMEM;
+	}
+
+	return 0;
+}
+
+static void nfp_nic_vnic_free(struct nfp_app *app, struct nfp_net *nn)
+{
+	kfree(nn->app_priv);
+}
+
 const struct nfp_app_type app_nic = {
 	.id		= NFP_APP_CORE_NIC,
 	.name		= "nic",
 
 	.init		= nfp_nic_init,
-	.vnic_alloc	= nfp_app_nic_vnic_alloc,
-
+	.vnic_alloc	= nfp_nic_vnic_alloc,
+	.vnic_free	= nfp_nic_vnic_free,
 	.sriov_enable	= nfp_nic_sriov_enable,
 	.sriov_disable	= nfp_nic_sriov_disable,
+
+	.vnic_init      = nfp_nic_vnic_init,
 };
diff --git a/drivers/net/ethernet/netronome/nfp/nic/main.h b/drivers/net/ethernet/netronome/nfp/nic/main.h
new file mode 100644
index 000000000000..679531fe2838
--- /dev/null
+++ b/drivers/net/ethernet/netronome/nfp/nic/main.h
@@ -0,0 +1,25 @@ 
+/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */
+/* Copyright (C) 2020 Netronome Systems, Inc. */
+/* Copyright (C) 2021 Corigine, Inc. */
+#ifndef __NFP_NIC_H__
+#define __NFP_NIC_H__ 1
+
+#include <linux/netdevice.h>
+
+#ifdef CONFIG_DCB
+struct nfp_dcb {
+};
+
+int nfp_nic_dcb_init(struct nfp_net *nn);
+
+#else
+static inline int nfp_nic_dcb_init(struct nfp_net *nn) { return 0; }
+#endif
+
+struct nfp_app_nic_private {
+#ifdef CONFIG_DCB
+	struct nfp_dcb dcb;
+#endif
+};
+
+#endif