Fix optical port description to align to standard

See tx_pwr_min, tx_pwr_max type

/* Optical port description property. */
struct ofp_port_desc_prop_optical {
uint16_t type; /* OFPPDPT_3OPTICAL. */
uint16_t length; /* Length in bytes of this property. */
uint8_t pad[4]; /* Align to 64 bits. */
uint32_t supported; /* Features supported by the port. */
uint32_t tx_min_freq_lmda; /* Minimum TX Frequency/Wavelength */
uint32_t tx_max_freq_lmda; /* Maximum TX Frequency/Wavelength */
uint32_t tx_grid_freq_lmda; /* TX Grid Spacing Frequency/Wavelength */
uint32_t rx_min_freq_lmda; /* Minimum RX Frequency/Wavelength */
uint32_t rx_max_freq_lmda; /* Maximum RX Frequency/Wavelength */
uint32_t rx_grid_freq_lmda; /* RX Grid Spacing Frequency/Wavelength */
uint16_t tx_pwr_min; /* Minimum TX power */
uint16_t tx_pwr_max; /* Maximum TX power */
};
OFP_ASSERT(sizeof(struct ofp_port_desc_prop_optical) == 40);

Author: y-higuchi

openflow_input/standard-1.4

@@ -872,8 +872,8 @@ struct of_port_desc_prop_optical : of_port_desc_prop {
     uint32_t rx_min_freq_lmda;
     uint32_t rx_max_freq_lmda;
     uint32_t rx_grid_freq_lmda;
-    uint32_t tx_pwr_min;
-    uint32_t tx_pwr_max;
+    uint16_t tx_pwr_min;
+    uint16_t tx_pwr_max;
 };
 
 struct of_port_desc_prop_experimenter : of_port_desc_prop {

openflow_input/standard-1.5

@@ -239,8 +239,8 @@ struct of_port_desc_prop_optical : of_port_desc_prop {
     uint32_t rx_min_freq_lmda;
     uint32_t rx_max_freq_lmda;
     uint32_t rx_grid_freq_lmda;
-    uint32_t tx_pwr_min;
-    uint32_t tx_pwr_max;
+    uint16_t tx_pwr_min;
+    uint16_t tx_pwr_max;
 };
 
 /* Ingress pipeline fields description property */