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net: dsa: tag_mtk: use the dsa_xmit_port_mask() helper 

The "mtk" 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: Chester A. Unal" <chester.a.unal@arinc9.com>
Cc: Daniel Golle <daniel@makrotopia.org>
Cc: DENG Qingfang <dqfext@gmail.com>
Cc: Sean Wang <sean.wang@mediatek.com>
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Link: https://patch.msgid.link/20251127120902.292555-7-vladimir.oltean@nxp.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Vladimir Oltean 2025-11-27 14:08:53 +02:00 committed by Jakub Kicinski
parent ea659a9292
commit 84a60bbec5
1 changed files with 2 additions and 1 deletions
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3
net/dsa/tag_mtk.c
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@ -54,7 +54,8 @@ static struct sk_buff *mtk_tag_xmit(struct sk_buff *skb,
* whether that's a combined special tag with 802.1Q header. * whether that's a combined special tag with 802.1Q header.
*/ */
mtk_tag[0] = xmit_tpid; mtk_tag[0] = xmit_tpid;
mtk_tag[1] = (1 << dp->index) & MTK_HDR_XMIT_DP_BIT_MASK; mtk_tag[1] = FIELD_PREP(MTK_HDR_XMIT_DP_BIT_MASK,
dsa_xmit_port_mask(skb, dev));
/* Tag control information is kept for 802.1Q */ /* Tag control information is kept for 802.1Q */
if (xmit_tpid == MTK_HDR_XMIT_UNTAGGED) { if (xmit_tpid == MTK_HDR_XMIT_UNTAGGED) {