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Merge branch 'udplite-dccp-print-deprecation-notice'

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Kuniyuki Iwashima says:

====================
udplite/dccp: Print deprecation notice.

UDP-Lite is assumed to have no users for 7 years, and DCCP is
orphaned for 7 years too.

Let's add deprecation notice and see if anyone responds to it.
====================

Link: https://lore.kernel.org/r/20230614194705.90673-1-kuniyu@amazon.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Jakub Kicinski 2023-06-15 15:09:00 -07:00
commit 8f0e370357
3 changed files with 9 additions and 0 deletions

3
net/dccp/proto.c

@ -191,6 +191,9 @@ int dccp_init_sock(struct sock *sk, const __u8 ctl_sock_initialized)
struct dccp_sock *dp = dccp_sk(sk);
struct inet_connection_sock *icsk = inet_csk(sk);
pr_warn_once("DCCP is deprecated and scheduled to be removed in 2025, "
"please contact the netdev mailing list\n");
icsk->icsk_rto = DCCP_TIMEOUT_INIT;
icsk->icsk_syn_retries = sysctl_dccp_request_retries;
sk->sk_state = DCCP_CLOSED;

2
net/ipv4/udplite.c

@ -22,6 +22,8 @@ static int udplite_sk_init(struct sock *sk)
{
udp_init_sock(sk);
udp_sk(sk)->pcflag = UDPLITE_BIT;
pr_warn_once("UDP-Lite is deprecated and scheduled to be removed in 2025, "
"please contact the netdev mailing list\n");
return 0;
}

4
net/ipv6/udplite.c

@ -8,6 +8,8 @@
* Changes:
* Fixes:
*/
#define pr_fmt(fmt) "UDPLite6: " fmt
#include <linux/export.h>
#include <linux/proc_fs.h>
#include "udp_impl.h"
@ -16,6 +18,8 @@ static int udplitev6_sk_init(struct sock *sk)
{
udpv6_init_sock(sk);
udp_sk(sk)->pcflag = UDPLITE_BIT;
pr_warn_once("UDP-Lite is deprecated and scheduled to be removed in 2025, "
"please contact the netdev mailing list\n");
return 0;
}