[PATCH 2/2] bts: add E1INP_LINE_R_BTS_RSL_ONLY mode

[pablo at gnumonks.org]

From: Pablo Neira Ayuso <pablo at gnumonks.org>

This patch adds the E1INP_LINE_R_BTS_RSL_ONLY that brings the
RSL link without the OML link. This mode is useful for the
multi-TRX BTS setup.
---
 include/osmocom/abis/e1_input.h |    1 +
 src/input/ipaccess.c            |   15 +++++++++++++++
 2 files changed, 16 insertions(+)

diff --git a/include/osmocom/abis/e1_input.h b/include/osmocom/abis/e1_input.h
index fac7bac..037e353 100644
--- a/include/osmocom/abis/e1_input.h
+++ b/include/osmocom/abis/e1_input.h
@@ -123,6 +123,7 @@ enum e1inp_line_role {
 	E1INP_LINE_R_NONE,
 	E1INP_LINE_R_BSC,
 	E1INP_LINE_R_BTS,
+	E1INP_LINE_R_BTS_RSL_ONLY,
 	E1INP_LINE_R_MAX
 };
 
diff --git a/src/input/ipaccess.c b/src/input/ipaccess.c
index 0fce15e..0f995e7 100644
--- a/src/input/ipaccess.c
+++ b/src/input/ipaccess.c
@@ -1044,6 +1044,21 @@ static int ipaccess_line_update(struct e1inp_line *line)
 		break;
 		}
 	}
+	case E1INP_LINE_R_BTS_RSL_ONLY:
+		switch(il->state) {
+		case NONE:
+			LOGP(DLINP, LOGL_NOTICE, "enabling ipaccess BTS mode "
+						 "in RSL mode only\n");
+			ret = ipaccess_bts_rsl_link_up(line);
+			il->state = ALL_UP;
+			break;
+		default:
+			LOGP(DLINP, LOGL_ERROR, "ipaccess BTS RSL link already "
+						"up and running\n");
+			ret = -EBUSY;
+			break;
+		break;
+		}
 	default:
 		break;
 	}
-- 
1.7.10.4