linux-kernel - [PATCH 5.7 087/166] net: atlantic: fix ip dst and ipv6 address filters

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Date:   Tue, 14 Jul 2020 20:44:12 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Dmitry Bogdanov <dbogdanov@...vell.com>,
        Mark Starovoytov <mstarovoitov@...vell.com>,
        Alexander Lobakin <alobakin@...vell.com>,
        "David S. Miller" <davem@...emloft.net>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.7 087/166] net: atlantic: fix ip dst and ipv6 address filters

From: Dmitry Bogdanov <dbogdanov@...vell.com>

[ Upstream commit a42e6aee7f47a8a68d09923c720fc8f605a04207 ]

This patch fixes ip dst and ipv6 address filters.
There were 2 mistakes in the code, which led to the issue:
* invalid register was used for ipv4 dst address;
* incorrect write order of dwords for ipv6 addresses.

Fixes: 23e7a718a49b ("net: aquantia: add rx-flow filter definitions")
Signed-off-by: Dmitry Bogdanov <dbogdanov@...vell.com>
Signed-off-by: Mark Starovoytov <mstarovoitov@...vell.com>
Signed-off-by: Alexander Lobakin <alobakin@...vell.com>
Signed-off-by: David S. Miller <davem@...emloft.net>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_llh.c    | 4 ++--
 .../ethernet/aquantia/atlantic/hw_atl/hw_atl_llh_internal.h   | 2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_llh.c b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_llh.c
index d1f68fc162918..e6b1fb10ad912 100644
--- a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_llh.c
+++ b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_llh.c
@@ -1651,7 +1651,7 @@ void hw_atl_rpfl3l4_ipv6_src_addr_set(struct aq_hw_s *aq_hw, u8 location,
 	for (i = 0; i < 4; ++i)
 		aq_hw_write_reg(aq_hw,
 				HW_ATL_RPF_L3_SRCA_ADR(location + i),
-				ipv6_src[i]);
+				ipv6_src[3 - i]);
 }
 
 void hw_atl_rpfl3l4_ipv6_dest_addr_set(struct aq_hw_s *aq_hw, u8 location,
@@ -1662,7 +1662,7 @@ void hw_atl_rpfl3l4_ipv6_dest_addr_set(struct aq_hw_s *aq_hw, u8 location,
 	for (i = 0; i < 4; ++i)
 		aq_hw_write_reg(aq_hw,
 				HW_ATL_RPF_L3_DSTA_ADR(location + i),
-				ipv6_dest[i]);
+				ipv6_dest[3 - i]);
 }
 
 u32 hw_atl_sem_ram_get(struct aq_hw_s *self)
diff --git a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_llh_internal.h b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_llh_internal.h
index 18de2f7b89593..a7590b9ea2df5 100644
--- a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_llh_internal.h
+++ b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_llh_internal.h
@@ -1360,7 +1360,7 @@
  */
 
  /* Register address for bitfield pif_rpf_l3_da0_i[31:0] */
-#define HW_ATL_RPF_L3_DSTA_ADR(filter) (0x000053B0 + (filter) * 0x4)
+#define HW_ATL_RPF_L3_DSTA_ADR(filter) (0x000053D0 + (filter) * 0x4)
 /* Bitmask for bitfield l3_da0[1F:0] */
 #define HW_ATL_RPF_L3_DSTA_MSK 0xFFFFFFFFu
 /* Inverted bitmask for bitfield l3_da0[1F:0] */
-- 
2.25.1