Reach network.target before communicating

Let the netctl profile service yield at the last moment before any
communication on the interface takes place. That way, we catch as many
problems as possible without suffering unpredictable delays.
This means network.target is reached earlier for wireless connections.

src/lib/connections/mobile_ppp

@@ -19,8 +19,6 @@ mobile_ppp_up() {
         rf_enable "$Interface" "$RFKill" || return 1
     fi
 
-    network_ready
-
     mkdir -p "$options_dir"
     if [[ -z $ChatScript ]]; then
         ChatScript="$options_dir/modem.chat"
@@ -83,6 +81,7 @@ connect $(quote_word "/usr/sbin/chat -v -t15 -f $(quote_word "$ChatScript")")
 ${OptionsFile:+file $(quote_word "$OptionsFile")}
 EOF
 
+    network_ready
     if ! $PPPD file "$options_dir/options"; then
         rm -r "$options_dir"
         report_error "Could not establish a ppp connection for profile '$Profile'."

src/lib/connections/pppoe

@@ -18,7 +18,6 @@ pppoe_up() {
         report_error "Failed to bring interface '$Interface' up"
         return 1
     fi
-    network_ready
 
     mkdir -p "$(dirname "$options")"
     cat >> "$options" << EOF
@@ -48,6 +47,7 @@ password $(quote_word "$Password")
 ${OptionsFile:+file $(quote_word "$OptionsFile")}
 EOF
 
+    network_ready
     if ! $PPPD file "$options"; then
         rm "$options"
         rmdir "$(dirname "$options")"

src/lib/connections/wireless

@@ -49,6 +49,7 @@ wireless_up() {
         return 1
     fi
 
+    network_ready
     # Bring interface up after starting wpa_supplicant
     # This is important since cards such as iwl3945 do not support
     # mode switching when they are already up.