[RFC net-next 13/17] tls: disable device offload for mptcp sockets
From: Geliang Tang <geliang@kernel.org>
Date: 2026-06-22 10:45:28
Also in:
mptcp
Subsystem:
networking [general], networking [tls], the rest · Maintainers:
"David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, John Fastabend, Sabrina Dubroca, Linus Torvalds
From: Geliang Tang <redacted> MPTCP TLS hardware offload is not yet implemented. Return -EOPNOTSUPP when attempting to enable device offload on MPTCP sockets. Co-developed-by: Gang Yan <redacted> Signed-off-by: Gang Yan <redacted> Co-developed-by: Zqiang <qiang.zhang@linux.dev> Signed-off-by: Zqiang <qiang.zhang@linux.dev> Signed-off-by: Geliang Tang <redacted> --- net/tls/tls_device.c | 6 ++++++ 1 file changed, 6 insertions(+)
diff --git a/net/tls/tls_device.c b/net/tls/tls_device.c
index c44a59d9d715..e535edc23d0d 100644
--- a/net/tls/tls_device.c
+++ b/net/tls/tls_device.c@@ -1074,6 +1074,9 @@ int tls_set_device_offload(struct sock *sk) ctx = tls_get_ctx(sk); prot = &ctx->prot_info; + if (sk->sk_protocol == IPPROTO_MPTCP) + return -EOPNOTSUPP; + if (ctx->priv_ctx_tx) return -EEXIST;
@@ -1196,6 +1199,9 @@ int tls_set_device_offload_rx(struct sock *sk, struct tls_context *ctx) struct net_device *netdev; int rc = 0; + if (sk->sk_protocol == IPPROTO_MPTCP) + return -EOPNOTSUPP; + if (ctx->crypto_recv.info.version != TLS_1_2_VERSION) return -EOPNOTSUPP;
--
2.53.0