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 <redacted>
---
 net/ipv4/tcp.c |    6 ++++++
 1 files changed, 6 insertions(+), 0 deletions(-)

diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
index 65afeae..3ed3525 100644
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c

@@ -2591,6 +2591,12 @@ 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;
 	}