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Message-Id: <20211203171916.378735-2-clement.leger@bootlin.com>
Date: Fri, 3 Dec 2021 18:19:13 +0100
From: Clément Léger <clement.leger@...tlin.com>
To: "David S. Miller" <davem@...emloft.net>,
Jakub Kicinski <kuba@...nel.org>,
Rob Herring <robh+dt@...nel.org>,
Vladimir Oltean <vladimir.oltean@....com>,
Claudiu Manoil <claudiu.manoil@....com>,
Alexandre Belloni <alexandre.belloni@...tlin.com>,
UNGLinuxDriver@...rochip.com, Andrew Lunn <andrew@...n.ch>
Cc: Clément Léger <clement.leger@...tlin.com>,
netdev@...r.kernel.org, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org,
Thomas Petazzoni <thomas.petazzoni@...tlin.com>,
Denis Kirjanov <dkirjanov@...e.de>,
Julian Wiedmann <jwi@...ux.ibm.com>
Subject: [PATCH net-next v4 1/4] net: ocelot: export ocelot_ifh_port_set() to setup IFH
FDMA will need this code to prepare the injection frame header when
sending SKBs. Move this code into ocelot_ifh_port_set() and add
conditional IFH setting for vlan and rew op if they are not set.
Signed-off-by: Clément Léger <clement.leger@...tlin.com>
---
drivers/net/ethernet/mscc/ocelot.c | 18 +++++++++++++-----
include/soc/mscc/ocelot.h | 1 +
2 files changed, 14 insertions(+), 5 deletions(-)
diff --git a/drivers/net/ethernet/mscc/ocelot.c b/drivers/net/ethernet/mscc/ocelot.c
index e6c18b598d5c..59943835d18c 100644
--- a/drivers/net/ethernet/mscc/ocelot.c
+++ b/drivers/net/ethernet/mscc/ocelot.c
@@ -1076,6 +1076,18 @@ bool ocelot_can_inject(struct ocelot *ocelot, int grp)
}
EXPORT_SYMBOL(ocelot_can_inject);
+void ocelot_ifh_port_set(void *ifh, int port, u32 rew_op, u32 vlan_tag)
+{
+ ocelot_ifh_set_bypass(ifh, 1);
+ ocelot_ifh_set_dest(ifh, BIT_ULL(port));
+ ocelot_ifh_set_tag_type(ifh, IFH_TAG_TYPE_C);
+ if (vlan_tag)
+ ocelot_ifh_set_vlan_tci(ifh, vlan_tag);
+ if (rew_op)
+ ocelot_ifh_set_rew_op(ifh, rew_op);
+}
+EXPORT_SYMBOL(ocelot_ifh_port_set);
+
void ocelot_port_inject_frame(struct ocelot *ocelot, int port, int grp,
u32 rew_op, struct sk_buff *skb)
{
@@ -1085,11 +1097,7 @@ void ocelot_port_inject_frame(struct ocelot *ocelot, int port, int grp,
ocelot_write_rix(ocelot, QS_INJ_CTRL_GAP_SIZE(1) |
QS_INJ_CTRL_SOF, QS_INJ_CTRL, grp);
- ocelot_ifh_set_bypass(ifh, 1);
- ocelot_ifh_set_dest(ifh, BIT_ULL(port));
- ocelot_ifh_set_tag_type(ifh, IFH_TAG_TYPE_C);
- ocelot_ifh_set_vlan_tci(ifh, skb_vlan_tag_get(skb));
- ocelot_ifh_set_rew_op(ifh, rew_op);
+ ocelot_ifh_port_set(ifh, port, rew_op, skb_vlan_tag_get(skb));
for (i = 0; i < OCELOT_TAG_LEN / 4; i++)
ocelot_write_rix(ocelot, ifh[i], QS_INJ_WR, grp);
diff --git a/include/soc/mscc/ocelot.h b/include/soc/mscc/ocelot.h
index fef3a36b0210..4bdaf7520fba 100644
--- a/include/soc/mscc/ocelot.h
+++ b/include/soc/mscc/ocelot.h
@@ -754,6 +754,7 @@ void __ocelot_target_write_ix(struct ocelot *ocelot, enum ocelot_target target,
bool ocelot_can_inject(struct ocelot *ocelot, int grp);
void ocelot_port_inject_frame(struct ocelot *ocelot, int port, int grp,
u32 rew_op, struct sk_buff *skb);
+void ocelot_ifh_port_set(void *ifh, int port, u32 rew_op, u32 vlan_tag);
int ocelot_xtr_poll_frame(struct ocelot *ocelot, int grp, struct sk_buff **skb);
void ocelot_drain_cpu_queue(struct ocelot *ocelot, int grp);
--
2.34.1
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