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authorVladimir Oltean <vladimir.oltean@nxp.com>2025-11-27 14:08:50 +0200
committerJakub Kicinski <kuba@kernel.org>2025-11-28 20:03:39 -0800
commite094428fb40c1b2cc98d97bc93db935aa65daa63 (patch)
tree984044bf5cc14eacd50199181418dc3367689ccb /net/dsa
parent621d06a40e4719fa76b8572046663d54e16425a5 (diff)
net: dsa: tag_gswip: use the dsa_xmit_port_mask() helper
The "gswip" tagging protocol populates a bit mask for the TX ports, so we can use dsa_xmit_port_mask() to centralize the decision of how to set that field. Cc: Hauke Mehrtens <hauke@hauke-m.de> Cc: Daniel Golle <daniel@makrotopia.org> Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com> Link: https://patch.msgid.link/20251127120902.292555-4-vladimir.oltean@nxp.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'net/dsa')
-rw-r--r--net/dsa/tag_gswip.c6
1 files changed, 2 insertions, 4 deletions
diff --git a/net/dsa/tag_gswip.c b/net/dsa/tag_gswip.c
index 51a1f46a567f..5fa436121087 100644
--- a/net/dsa/tag_gswip.c
+++ b/net/dsa/tag_gswip.c
@@ -48,8 +48,7 @@
/* Byte 3 */
#define GSWIP_TX_DPID_EN BIT(0)
-#define GSWIP_TX_PORT_MAP_SHIFT 1
-#define GSWIP_TX_PORT_MAP_MASK GENMASK(6, 1)
+#define GSWIP_TX_PORT_MAP GENMASK(6, 1)
#define GSWIP_RX_HEADER_LEN 8
@@ -61,7 +60,6 @@
static struct sk_buff *gswip_tag_xmit(struct sk_buff *skb,
struct net_device *dev)
{
- struct dsa_port *dp = dsa_user_to_port(dev);
u8 *gswip_tag;
skb_push(skb, GSWIP_TX_HEADER_LEN);
@@ -70,7 +68,7 @@ static struct sk_buff *gswip_tag_xmit(struct sk_buff *skb,
gswip_tag[0] = GSWIP_TX_SLPID_CPU;
gswip_tag[1] = GSWIP_TX_DPID_ELAN;
gswip_tag[2] = GSWIP_TX_PORT_MAP_EN | GSWIP_TX_PORT_MAP_SEL;
- gswip_tag[3] = BIT(dp->index + GSWIP_TX_PORT_MAP_SHIFT) & GSWIP_TX_PORT_MAP_MASK;
+ gswip_tag[3] = FIELD_PREP(GSWIP_TX_PORT_MAP, dsa_xmit_port_mask(skb, dev));
gswip_tag[3] |= GSWIP_TX_DPID_EN;
return skb;