linux-kernel - [PATCH 4.9 69/91] bnx2x: Fix logic to get total no. of PFs per engine

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Message-Id: <20200111094910.408624679@linuxfoundation.org>
Date:   Sat, 11 Jan 2020 10:50:02 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Manish Chopra <manishc@...vell.com>,
        Ariel Elior <aelior@...vell.com>,
        Jakub Kicinski <jakub.kicinski@...ronome.com>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 4.9 69/91] bnx2x: Fix logic to get total no. of PFs per engine

From: Manish Chopra <manishc@...vell.com>

[ Upstream commit ee699f89bdbaa19c399804504241b5c531b48888 ]

Driver doesn't calculate total number of PFs configured on a
given engine correctly which messed up resources in the PFs
loaded on that engine, leading driver to exceed configuration
of resources (like vlan filters etc.) beyond the limit per
engine, which ended up with asserts from the firmware.

Signed-off-by: Manish Chopra <manishc@...vell.com>
Signed-off-by: Ariel Elior <aelior@...vell.com>
Signed-off-by: Jakub Kicinski <jakub.kicinski@...ronome.com>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.h b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.h
index 2ec1c43270b7..bb36312c9696 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.h
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.h
@@ -1112,7 +1112,7 @@ static inline u8 bnx2x_get_path_func_num(struct bnx2x *bp)
 		for (i = 0; i < E1H_FUNC_MAX / 2; i++) {
 			u32 func_config =
 				MF_CFG_RD(bp,
-					  func_mf_config[BP_PORT(bp) + 2 * i].
+					  func_mf_config[BP_PATH(bp) + 2 * i].
 					  config);
 			func_num +=
 				((func_config & FUNC_MF_CFG_FUNC_HIDE) ? 0 : 1);
-- 
2.20.1