rxe_cfg_small: Remove unused function

link_up_rxes() is not used anywhere so remove it. That said, make sure
that link_up() is called while adding the rxe device(s).

Change-Id: Ic0f9573b911d83d58b42f62d104ef916aa010e4e
Signed-off-by: Michal Berger <michalx.berger@intel.com>
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/3824
Community-CI: Mellanox Build Bot
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Tomasz Zawadzki <tomasz.zawadzki@intel.com>

scripts/rxe_cfg_small.sh

@@ -217,6 +217,7 @@ add_rxe() {
 	for dev in "${net_devs[@]}"; do
 		(($(< "$dev/type") != 1)) && continue
 		echo "${dev##*/}" > "$rdma_rxe_add"
+		link_up "${dev##*/}"
 	done 2> /dev/null
 }
 
@@ -224,15 +225,6 @@ remove_rxe() {
 	[[ -e $infiniband/${1##*/} ]] && echo "${1##*/}" > "$rdma_rxe_rm"
 }
 
-link_up_rxes() {
-	local rxe parent
-
-	for rxe in "$infiniband/rxe"+([0-9]); do
-		parent=$(< /"$rxe/parent")
-		link_up "$parent"
-	done
-}
-
 link_up() {
 	[[ -e $net/$1 ]] || return 0