net: Add getsockopt support for TCP thin-streams

Initial TCP thin-stream commit did not add getsockopt support for the new
socket options: TCP_THIN_LINEAR_TIMEOUTS and TCP_THIN_DUPACK. This adds support
for them.

Signed-off-by: Josh Hunt <johunt@akamai.com>
Tested-by: Andreas Petlund <apetlund@simula.no>
Acked-by: Andreas Petlund <apetlund@simula.no>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 6 insertions, 0 deletions

diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
index 86b9f67abede..1a700651600b 100644
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -2601,6 +2601,12 @@ static int do_tcp_getsockopt(struct sock *sk, int level,
                         return -EFAULT;
                 return 0;
         }
+        case TCP_THIN_LINEAR_TIMEOUTS:
+                val = tp->thin_lto;
+                break;
+        case TCP_THIN_DUPACK:
+                val = tp->thin_dupack;
+                break;
         default:
                 return -ENOPROTOOPT;
         }