net/transmission/patches/001-apply-dscp-to-udp-sockets.patch

   1 From 98da2afa58b7bdf5350de16fd99905ddb04e1b0d Mon Sep 17 00:00:00 2001
   2 From: Dan Walters <dan@walters.io>
   3 Date: Sun, 13 Oct 2019 10:08:36 -0500
   4 Subject: [PATCH] Apply the configured peer socket TOS to UDP sockets, not just
   5  TCP.
   6
   7 ---
   8  libtransmission/session.c |  2 ++
   9  libtransmission/tr-udp.c  | 20 ++++++++++++++++++++
  10  libtransmission/tr-udp.h  |  1 +
  11  3 files changed, 23 insertions(+)
  12
  13 --- a/libtransmission/session.c
  14 +++ b/libtransmission/session.c
  15 @@ -2274,6 +2274,8 @@ static void toggle_utp(void* data)
  16
  17      tr_udpSetSocketBuffers(session);
  18
  19 +    tr_udpSetSocketTOS(session);
  20 +
  21      /* But don't call tr_utpClose -- see reset_timer in tr-utp.c for an
  22         explanation. */
  23  }
  24 --- a/libtransmission/tr-udp.c
  25 +++ b/libtransmission/tr-udp.c
  26 @@ -125,6 +125,24 @@ void tr_udpSetSocketBuffers(tr_session*
  27      }
  28  }
  29
  30 +void tr_udpSetSocketTOS(tr_session* session)
  31 +{
  32 +    if (session->peerSocketTOS == 0)
  33 +    {
  34 +        return;
  35 +    }
  36 +
  37 +    if (session->udp_socket != TR_BAD_SOCKET)
  38 +    {
  39 +        tr_netSetTOS(session->udp_socket, session->peerSocketTOS, TR_AF_INET);
  40 +    }
  41 +
  42 +    if (session->udp6_socket != TR_BAD_SOCKET)
  43 +    {
  44 +        tr_netSetTOS(session->udp6_socket, session->peerSocketTOS, TR_AF_INET6);
  45 +    }
  46 +}
  47 +
  48  /* BEP-32 has a rather nice explanation of why we need to bind to one
  49     IPv6 address, if I may say so myself. */
  50
  51 @@ -363,6 +381,8 @@ ipv6:
  52
  53      tr_udpSetSocketBuffers(ss);
  54
  55 +    tr_udpSetSocketTOS(ss);
  56 +
  57      if (ss->isDHTEnabled)
  58      {
  59          tr_dhtInit(ss);
  60 --- a/libtransmission/tr-udp.h
  61 +++ b/libtransmission/tr-udp.h
  62 @@ -30,5 +30,6 @@ THE SOFTWARE.
  63  void tr_udpInit(tr_session*);
  64  void tr_udpUninit(tr_session*);
  65  void tr_udpSetSocketBuffers(tr_session*);
  66 +void tr_udpSetSocketTOS(tr_session*);
  67
  68  bool tau_handle_message(tr_session* session, uint8_t const* msg, size_t msglen);