netdev - [PATCH net-next] tls: support send/recv queue read in the repair mode

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Message-ID: <CA+Sc9E2oKba+C2EhBvmyJQ5wVS5=S=ZVzP+Gt_-xsRNtMCm4tQ@mail.gmail.com>
Date: Fri, 21 Jun 2024 12:05:45 +0100
From: Michio Honda <micchie.gml@...il.com>
To: netdev@...r.kernel.org
Subject: [PATCH net-next] tls: support send/recv queue read in the repair mode

>From df3350858eda825014ac75dced0cede9de4de302 Mon Sep 17 00:00:00 2001
From: Michio Honda <michio.honda@...ac.uk>
Date: Thu, 20 Jun 2024 22:05:15 +0100
Subject: [PATCH net-next] tls: support send/recv queue read in the repair mode

TCP REPAIR needs to read the data in the send or receive queue.
This patch forwards those to TCP.

Signed-off-by: Michio Honda <michio.honda@...ac.uk>
---
 net/tls/tls_sw.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/net/tls/tls_sw.c b/net/tls/tls_sw.c
index 305a412785f5..25b239a9b748 100644
--- a/net/tls/tls_sw.c
+++ b/net/tls/tls_sw.c
@@ -1973,6 +1973,14 @@ int tls_sw_recvmsg(struct sock *sk,
        bool bpf_strp_enabled;
        bool zc_capable;

+       struct tcp_sock *tp = tcp_sk(sk);
+
+       if (unlikely(tp->repair)) {
+               if (tp->repair_queue == TCP_SEND_QUEUE ||
+                   tp->repair_queue == TCP_RECV_QUEUE)
+                       return tcp_recvmsg(sk, msg, len, flags, addr_len);
+       }
+
        if (unlikely(flags & MSG_ERRQUEUE))
                return sock_recv_errqueue(sk, msg, len, SOL_IP, IP_RECVERR);

-- 
2.34.1