netdev - [PATCH ipsec-next v2 1/4] xfrm: Convert xfrm_get_tos() to dscp

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Message-ID: <5b34d13b962afc226c4ad1246ef57e502c047fab.1730387416.git.gnault@redhat.com>
Date: Thu, 31 Oct 2024 16:52:36 +0100
From: Guillaume Nault <gnault@...hat.com>
To: Steffen Klassert <steffen.klassert@...unet.com>,
	Herbert Xu <herbert@...dor.apana.org.au>,
	"David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>
Cc: netdev@...r.kernel.org, Simon Horman <horms@...nel.org>,
	David Ahern <dsahern@...nel.org>, Ido Schimmel <idosch@...dia.com>,
	Eyal Birger <eyal.birger@...il.com>
Subject: [PATCH ipsec-next v2 1/4] xfrm: Convert xfrm_get_tos() to dscp_t.

Return a dscp_t variable to prepare for the future conversion of
xfrm_bundle_create() to dscp_t.

While there, rename the function "xfrm_get_dscp", to align its name
with the new return type.

Signed-off-by: Guillaume Nault <gnault@...hat.com>
---
 net/xfrm/xfrm_policy.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/net/xfrm/xfrm_policy.c b/net/xfrm/xfrm_policy.c
index a2ea9dbac90b..077e1c9b2025 100644
--- a/net/xfrm/xfrm_policy.c
+++ b/net/xfrm/xfrm_policy.c
@@ -2576,10 +2576,10 @@ xfrm_tmpl_resolve(struct xfrm_policy **pols, int npols, const struct flowi *fl,
 
 }
 
-static int xfrm_get_tos(const struct flowi *fl, int family)
+static dscp_t xfrm_get_dscp(const struct flowi *fl, int family)
 {
 	if (family == AF_INET)
-		return fl->u.ip4.flowi4_tos & INET_DSCP_MASK;
+		return inet_dsfield_to_dscp(fl->u.ip4.flowi4_tos);
 
 	return 0;
 }
@@ -2673,7 +2673,7 @@ static struct dst_entry *xfrm_bundle_create(struct xfrm_policy *policy,
 
 	xfrm_flowi_addr_get(fl, &saddr, &daddr, family);
 
-	tos = xfrm_get_tos(fl, family);
+	tos = inet_dscp_to_dsfield(xfrm_get_dscp(fl, family));
 
 	dst_hold(dst);
 
-- 
2.39.2