netdev - [PATCH net-next] octeontx2-af: fix build regression without CONFIG

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Message-Id: <20241213083228.2645757-1-arnd@kernel.org>
Date: Fri, 13 Dec 2024 09:32:18 +0100
From: Arnd Bergmann <arnd@...nel.org>
To: Sunil Goutham <sgoutham@...vell.com>,
	Geetha sowjanya <gakula@...vell.com>,
	Subbaraya Sundeep <sbhatta@...vell.com>,
	hariprasad <hkelam@...vell.com>,
	Bharat Bhushan <bbhushan2@...vell.com>,
	Andrew Lunn <andrew+netdev@...n.ch>,
	"David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>,
	Paolo Abeni <pabeni@...hat.com>
Cc: Arnd Bergmann <arnd@...db.de>,
	Simon Horman <horms@...nel.org>,
	Zhipeng Lu <alexious@....edu.cn>,
	Dipendra Khadka <kdipendra88@...il.com>,
	Ratheesh Kannoth <rkannoth@...vell.com>,
	Sai Krishna <saikrishnag@...vell.com>,
	netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH net-next] octeontx2-af: fix build regression without CONFIG_DCB

From: Arnd Bergmann <arnd@...db.de>

When DCB is disabled, the pfc_en struct member cannot be accessed:

drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c: In function 'otx2_is_pfc_enabled':
drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c:22:48: error: 'struct otx2_nic' has no member named 'pfc_en'
   22 |         return IS_ENABLED(CONFIG_DCB) && !!pfvf->pfc_en;
      |                                                ^~
drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c: In function 'otx2_nix_config_bp':
drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c:1755:33: error: 'IEEE_8021QAZ_MAX_TCS' undeclared (first use in this function)
 1755 |                 req->chan_cnt = IEEE_8021QAZ_MAX_TCS;
      |                                 ^~~~~~~~~~~~~~~~~~~~

Move the member out of the #ifdef block to avoid putting back another
check in the source file and add the missing include file unconditionally.

Fixes: a7ef63dbd588 ("octeontx2-af: Disable backpressure between CPT and NIX")
Signed-off-by: Arnd Bergmann <arnd@...db.de>
---
 drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c | 1 +
 drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h | 2 +-
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c
index bf56888e7fe7..2b49bfec7869 100644
--- a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c
+++ b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c
@@ -10,6 +10,7 @@
 #include <net/page_pool/helpers.h>
 #include <net/tso.h>
 #include <linux/bitfield.h>
+#include <linux/dcbnl.h>
 #include <net/xfrm.h>
 
 #include "otx2_reg.h"
diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h
index 44d737a0dd09..65814e3dc93f 100644
--- a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h
+++ b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h
@@ -505,9 +505,9 @@ struct otx2_nic {
 
 	/* Devlink */
 	struct otx2_devlink	*dl;
-#ifdef CONFIG_DCB
 	/* PFC */
 	u8			pfc_en;
+#ifdef CONFIG_DCB
 	u8			*queue_to_pfc_map;
 	u16			pfc_schq_list[NIX_TXSCH_LVL_CNT][MAX_TXSCHQ_PER_FUNC];
 	bool			pfc_alloc_status[NIX_PF_PFC_PRIO_MAX];
-- 
2.39.5