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authorPaolo Abeni <pabeni@redhat.com>2020-03-27 14:48:48 -0700
committerDavid S. Miller <davem@davemloft.net>2020-03-29 22:14:48 -0700
commit3b1d6210a9577369103330b0d802b0bf74b65e7f (patch)
treeff144be6ae7c006caa879b3581216ddc710dc0e1 /net/mptcp/protocol.h
parent3f8e0aae1796363442f6d0b7bc2210a6eecffb2d (diff)
downloadlinux-rt-3b1d6210a9577369103330b0d802b0bf74b65e7f.tar.gz
mptcp: implement and use MPTCP-level retransmission
On timeout event, schedule a work queue to do the retransmission. Retransmission code closely resembles the sendmsg() implementation and re-uses mptcp_sendmsg_frag, providing a dummy msghdr - for flags' sake - and peeking the relevant dfrag from the rtx head. Signed-off-by: Paolo Abeni <pabeni@redhat.com> Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/mptcp/protocol.h')
-rw-r--r--net/mptcp/protocol.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/net/mptcp/protocol.h b/net/mptcp/protocol.h
index f855c954a8ff..e9d4a852c7f1 100644
--- a/net/mptcp/protocol.h
+++ b/net/mptcp/protocol.h
@@ -88,6 +88,7 @@
/* MPTCP socket flags */
#define MPTCP_DATA_READY 0
#define MPTCP_SEND_SPACE 1
+#define MPTCP_WORK_RTX 2
static inline __be32 mptcp_option(u8 subopt, u8 len, u8 nib, u8 field)
{