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authorClément Léger <clement.leger@bootlin.com>2021-12-09 18:49:08 +0300
committerJakub Kicinski <kuba@kernel.org>2021-12-11 07:56:57 +0300
commite5150f00721f6f8e7b4e7f31bff86b4b6a8de0d4 (patch)
tree0bea3b355525ce1fe5789a1e62289da101fbcc8b
parent1868d997cf9cfddb52729a241f8653d5cec4e42c (diff)
downloadlinux-e5150f00721f6f8e7b4e7f31bff86b4b6a8de0d4.tar.xz
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. Reviewed-by: Vladimir Oltean <vladimir.oltean@nxp.com> Signed-off-by: Clément Léger <clement.leger@bootlin.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
-rw-r--r--drivers/net/ethernet/mscc/ocelot.c18
-rw-r--r--include/soc/mscc/ocelot.h1
2 files changed, 14 insertions, 5 deletions
diff --git a/drivers/net/ethernet/mscc/ocelot.c b/drivers/net/ethernet/mscc/ocelot.c
index b1856d8c944b..b5ec8ce7f4dd 100644
--- a/drivers/net/ethernet/mscc/ocelot.c
+++ b/drivers/net/ethernet/mscc/ocelot.c
@@ -1164,6 +1164,18 @@ 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)
{
@@ -1173,11 +1185,7 @@ 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 33f2e8c9e88b..9b99cfd39a59 100644
--- a/include/soc/mscc/ocelot.h
+++ b/include/soc/mscc/ocelot.h
@@ -794,6 +794,7 @@ 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);