kernel: backport dsa b53 patches
These patches have been merged upstream, so let's move them to backport. Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
This commit is contained in:
Álvaro Fernández Rojas
parent
67c28dde09
commit
21b89b0647
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@ -0,0 +1,30 @@
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From 30796d0dcb6e41c6558a07950f2ce60c209da867 Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?=C3=81lvaro=20Fern=C3=A1ndez=20Rojas?= <noltari@gmail.com>
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Date: Thu, 16 Mar 2023 18:28:07 +0100
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Subject: [PATCH] net: dsa: b53: mmap: fix device tree support
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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CPU port should also be enabled in order to get a working switch.
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Fixes: a5538a777b73 ("net: dsa: b53: mmap: Add device tree support")
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Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
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Acked-by: Florian Fainelli <f.fainelli@gmail.com>
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Link: https://lore.kernel.org/r/20230316172807.460146-1-noltari@gmail.com
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Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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---
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drivers/net/dsa/b53/b53_mmap.c | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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--- a/drivers/net/dsa/b53/b53_mmap.c
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+++ b/drivers/net/dsa/b53/b53_mmap.c
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@@ -263,7 +263,7 @@ static int b53_mmap_probe_of(struct plat
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if (of_property_read_u32(of_port, "reg", ®))
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continue;
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- if (reg < B53_CPU_PORT)
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+ if (reg < B53_N_PORTS)
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pdata->enabled_ports |= BIT(reg);
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}
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@ -0,0 +1,65 @@
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From 032a954061afd4b7426c3eb6bfd2952ef1e9a384 Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?=C3=81lvaro=20Fern=C3=A1ndez=20Rojas?= <noltari@gmail.com>
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Date: Sun, 19 Mar 2023 10:55:40 +0100
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Subject: [PATCH] net: dsa: tag_brcm: legacy: fix daisy-chained switches
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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When BCM63xx internal switches are connected to switches with a 4-byte
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Broadcom tag, it does not identify the packet as VLAN tagged, so it adds one
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based on its PVID (which is likely 0).
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Right now, the packet is received by the BCM63xx internal switch and the 6-byte
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tag is properly processed. The next step would to decode the corresponding
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4-byte tag. However, the internal switch adds an invalid VLAN tag after the
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6-byte tag and the 4-byte tag handling fails.
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In order to fix this we need to remove the invalid VLAN tag after the 6-byte
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tag before passing it to the 4-byte tag decoding.
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Fixes: 964dbf186eaa ("net: dsa: tag_brcm: add support for legacy tags")
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Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
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Reviewed-by: Michal Swiatkowski <michal.swiatkowski@linux.intel.com>
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Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
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Link: https://lore.kernel.org/r/20230319095540.239064-1-noltari@gmail.com
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Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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---
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net/dsa/tag_brcm.c | 10 ++++++++--
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1 file changed, 8 insertions(+), 2 deletions(-)
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--- a/net/dsa/tag_brcm.c
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+++ b/net/dsa/tag_brcm.c
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@@ -7,6 +7,7 @@
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#include <linux/dsa/brcm.h>
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#include <linux/etherdevice.h>
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+#include <linux/if_vlan.h>
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#include <linux/list.h>
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#include <linux/slab.h>
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@@ -248,6 +249,7 @@ static struct sk_buff *brcm_leg_tag_xmit
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static struct sk_buff *brcm_leg_tag_rcv(struct sk_buff *skb,
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struct net_device *dev)
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{
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+ int len = BRCM_LEG_TAG_LEN;
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int source_port;
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u8 *brcm_tag;
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@@ -262,12 +264,16 @@ static struct sk_buff *brcm_leg_tag_rcv(
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if (!skb->dev)
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return NULL;
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+ /* VLAN tag is added by BCM63xx internal switch */
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+ if (netdev_uses_dsa(skb->dev))
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+ len += VLAN_HLEN;
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+
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/* Remove Broadcom tag and update checksum */
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- skb_pull_rcsum(skb, BRCM_LEG_TAG_LEN);
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+ skb_pull_rcsum(skb, len);
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dsa_default_offload_fwd_mark(skb);
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- dsa_strip_etype_header(skb, BRCM_LEG_TAG_LEN);
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+ dsa_strip_etype_header(skb, len);
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return skb;
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}
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@ -1,104 +0,0 @@
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Cc: =?utf-8?q?=C3=81lvaro_Fern=C3=A1ndez_Rojas?= <noltari@gmail.com>
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Subject: [PATCH v2] net: dsa: b53: mmap: fix device tree support
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Date: Thu, 16 Mar 2023 18:28:07 +0100
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CPU port should also be enabled in order to get a working switch.
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Fixes: a5538a777b73 ("net: dsa: b53: mmap: Add device tree support")
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Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
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Acked-by: Florian Fainelli <f.fainelli@gmail.com>
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---
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v2: switch to B53_N_PORTS
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drivers/net/dsa/b53/b53_mmap.c | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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--- a/drivers/net/dsa/b53/b53_mmap.c
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+++ b/drivers/net/dsa/b53/b53_mmap.c
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@@ -263,7 +263,7 @@ static int b53_mmap_probe_of(struct plat
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if (of_property_read_u32(of_port, "reg", ®))
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continue;
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- if (reg < B53_CPU_PORT)
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+ if (reg < B53_N_PORTS)
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pdata->enabled_ports |= BIT(reg);
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}
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|
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Michal Swiatkowski <michal.swiatkowski@linux.intel.com>
|
||||
Subject: [PATCH v2] net: dsa: tag_brcm: legacy: fix daisy-chained switches
|
||||
Date: Sun, 19 Mar 2023 10:55:40 +0100
|
||||
Message-Id: <20230319095540.239064-1-noltari@gmail.com>
|
||||
X-Mailer: git-send-email 2.30.2
|
||||
In-Reply-To: <20230317120815.321871-1-noltari@gmail.com>
|
||||
References: <20230317120815.321871-1-noltari@gmail.com>
|
||||
MIME-Version: 1.0
|
||||
Precedence: bulk
|
||||
List-ID: <netdev.vger.kernel.org>
|
||||
X-Mailing-List: netdev@vger.kernel.org
|
||||
X-Patchwork-Delegate: kuba@kernel.org
|
||||
|
||||
When BCM63xx internal switches are connected to switches with a 4-byte
|
||||
Broadcom tag, it does not identify the packet as VLAN tagged, so it adds one
|
||||
based on its PVID (which is likely 0).
|
||||
Right now, the packet is received by the BCM63xx internal switch and the 6-byte
|
||||
tag is properly processed. The next step would to decode the corresponding
|
||||
4-byte tag. However, the internal switch adds an invalid VLAN tag after the
|
||||
6-byte tag and the 4-byte tag handling fails.
|
||||
In order to fix this we need to remove the invalid VLAN tag after the 6-byte
|
||||
tag before passing it to the 4-byte tag decoding.
|
||||
|
||||
Fixes: 964dbf186eaa ("net: dsa: tag_brcm: add support for legacy tags")
|
||||
Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
|
||||
Reviewed-by: Michal Swiatkowski <michal.swiatkowski@linux.intel.com>
|
||||
---
|
||||
v2: add missing fixes tag.
|
||||
|
||||
net/dsa/tag_brcm.c | 10 ++++++++--
|
||||
1 file changed, 8 insertions(+), 2 deletions(-)
|
||||
|
||||
--- a/net/dsa/tag_brcm.c
|
||||
+++ b/net/dsa/tag_brcm.c
|
||||
@@ -7,6 +7,7 @@
|
||||
|
||||
#include <linux/dsa/brcm.h>
|
||||
#include <linux/etherdevice.h>
|
||||
+#include <linux/if_vlan.h>
|
||||
#include <linux/list.h>
|
||||
#include <linux/slab.h>
|
||||
|
||||
@@ -248,6 +249,7 @@ static struct sk_buff *brcm_leg_tag_xmit
|
||||
static struct sk_buff *brcm_leg_tag_rcv(struct sk_buff *skb,
|
||||
struct net_device *dev)
|
||||
{
|
||||
+ int len = BRCM_LEG_TAG_LEN;
|
||||
int source_port;
|
||||
u8 *brcm_tag;
|
||||
|
||||
@@ -262,12 +264,16 @@ static struct sk_buff *brcm_leg_tag_rcv(
|
||||
if (!skb->dev)
|
||||
return NULL;
|
||||
|
||||
+ /* VLAN tag is added by BCM63xx internal switch */
|
||||
+ if (netdev_uses_dsa(skb->dev))
|
||||
+ len += VLAN_HLEN;
|
||||
+
|
||||
/* Remove Broadcom tag and update checksum */
|
||||
- skb_pull_rcsum(skb, BRCM_LEG_TAG_LEN);
|
||||
+ skb_pull_rcsum(skb, len);
|
||||
|
||||
dsa_default_offload_fwd_mark(skb);
|
||||
|
||||
- dsa_strip_etype_header(skb, BRCM_LEG_TAG_LEN);
|
||||
+ dsa_strip_etype_header(skb, len);
|
||||
|
||||
return skb;
|
||||
}
|
||||
Loading…
Reference in New Issue
Block a user