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gtp: Prepare ip4_route_output_gtp() to .flowi4_tos conversion.

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Use inet_sk_dscp() to get the socket DSCP value as dscp_t, instead of
ip_sock_rt_tos() which returns a __u8. This will ease the conversion
of fl4->flowi4_tos to dscp_t, which now just becomes a matter of
dropping the inet_dscp_to_dsfield() call.

Signed-off-by: Guillaume Nault <gnault@redhat.com>
Reviewed-by: Ido Schimmel <idosch@nvidia.com>
Link: https://patch.msgid.link/06bdb310a075355ff059cd32da2efc29a63981c9.1737034675.git.gnault@redhat.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Guillaume Nault 2025-01-16 14:39:38 +01:00 committed by Jakub Kicinski
parent 02673d58ad
commit 2ce7289f18
1 changed files with 3 additions and 1 deletions
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4
drivers/net/gtp.c
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@ -23,6 +23,8 @@
#include <net/net_namespace.h> #include <net/net_namespace.h>
#include <net/protocol.h> #include <net/protocol.h>
#include <net/inet_dscp.h>
#include <net/inet_sock.h>
#include <net/ip.h> #include <net/ip.h>
#include <net/ipv6.h> #include <net/ipv6.h>
#include <net/udp.h> #include <net/udp.h>
@ -350,7 +352,7 @@ static struct rtable *ip4_route_output_gtp(struct flowi4 *fl4,
fl4->flowi4_oif = sk->sk_bound_dev_if; fl4->flowi4_oif = sk->sk_bound_dev_if;
fl4->daddr = daddr; fl4->daddr = daddr;
fl4->saddr = saddr; fl4->saddr = saddr;
fl4->flowi4_tos = ip_sock_rt_tos(sk); fl4->flowi4_tos = inet_dscp_to_dsfield(inet_sk_dscp(inet_sk(sk)));
fl4->flowi4_scope = ip_sock_rt_scope(sk); fl4->flowi4_scope = ip_sock_rt_scope(sk);
fl4->flowi4_proto = sk->sk_protocol; fl4->flowi4_proto = sk->sk_protocol;