linux-kernel - [PATCH RESEND net-next v4 2/4] vxlan: Expose helper vxlan_build_gbp

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Message-ID: <20230306030302.224414-3-gavinl@nvidia.com>
Date:   Mon, 6 Mar 2023 05:03:00 +0200
From:   Gavin Li <gavinl@...dia.com>
To:     <davem@...emloft.net>, <edumazet@...gle.com>, <kuba@...nel.org>,
        <pabeni@...hat.com>, <roopa@...dia.com>,
        <eng.alaamohamedsoliman.am@...il.com>, <bigeasy@...utronix.de>
CC:     <netdev@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <gavi@...dia.com>, <roid@...dia.com>, <maord@...dia.com>,
        <saeedm@...dia.com>, Simon Horman <simon.horman@...igine.com>
Subject: [PATCH RESEND net-next v4 2/4] vxlan: Expose helper vxlan_build_gbp_hdr

vxlan_build_gbp_hdr will be used by other modules to build gbp option in
vxlan header according to gbp flags.

Signed-off-by: Gavin Li <gavinl@...dia.com>
Reviewed-by: Gavi Teitz <gavi@...dia.com>
Reviewed-by: Roi Dayan <roid@...dia.com>
Reviewed-by: Maor Dickman <maord@...dia.com>
Acked-by: Saeed Mahameed <saeedm@...dia.com>
Reviewed-by: Simon Horman <simon.horman@...igine.com>
---
 drivers/net/vxlan/vxlan_core.c | 19 -------------------
 include/net/vxlan.h            | 19 +++++++++++++++++++
 2 files changed, 19 insertions(+), 19 deletions(-)

diff --git a/drivers/net/vxlan/vxlan_core.c b/drivers/net/vxlan/vxlan_core.c
index 86967277ab97..13faab36b3e1 100644
--- a/drivers/net/vxlan/vxlan_core.c
+++ b/drivers/net/vxlan/vxlan_core.c
@@ -2140,25 +2140,6 @@ static bool route_shortcircuit(struct net_device *dev, struct sk_buff *skb)
 	return false;
 }
 
-static void vxlan_build_gbp_hdr(struct vxlanhdr *vxh, struct vxlan_metadata *md)
-{
-	struct vxlanhdr_gbp *gbp;
-
-	if (!md->gbp)
-		return;
-
-	gbp = (struct vxlanhdr_gbp *)vxh;
-	vxh->vx_flags |= VXLAN_HF_GBP;
-
-	if (md->gbp & VXLAN_GBP_DONT_LEARN)
-		gbp->dont_learn = 1;
-
-	if (md->gbp & VXLAN_GBP_POLICY_APPLIED)
-		gbp->policy_applied = 1;
-
-	gbp->policy_id = htons(md->gbp & VXLAN_GBP_ID_MASK);
-}
-
 static int vxlan_build_gpe_hdr(struct vxlanhdr *vxh, __be16 protocol)
 {
 	struct vxlanhdr_gpe *gpe = (struct vxlanhdr_gpe *)vxh;
diff --git a/include/net/vxlan.h b/include/net/vxlan.h
index bca5b01af247..b6d419fa7ab1 100644
--- a/include/net/vxlan.h
+++ b/include/net/vxlan.h
@@ -566,4 +566,23 @@ static inline bool vxlan_fdb_nh_path_select(struct nexthop *nh,
 	return true;
 }
 
+static inline void vxlan_build_gbp_hdr(struct vxlanhdr *vxh, const struct vxlan_metadata *md)
+{
+	struct vxlanhdr_gbp *gbp;
+
+	if (!md->gbp)
+		return;
+
+	gbp = (struct vxlanhdr_gbp *)vxh;
+	vxh->vx_flags |= VXLAN_HF_GBP;
+
+	if (md->gbp & VXLAN_GBP_DONT_LEARN)
+		gbp->dont_learn = 1;
+
+	if (md->gbp & VXLAN_GBP_POLICY_APPLIED)
+		gbp->policy_applied = 1;
+
+	gbp->policy_id = htons(md->gbp & VXLAN_GBP_ID_MASK);
+}
+
 #endif
-- 
2.31.1