The statistics tables and null mac address should be immutable.
Fix up get_addr routines to accept const args.

Signed-off-by: Stephen Hemminger <stephen at networkplumber.org>
---
 lib/librte_ether/rte_ethdev.c | 44 +++++++++++++++++++++----------------------
 1 file changed, 22 insertions(+), 22 deletions(-)

diff --git a/lib/librte_ether/rte_ethdev.c b/lib/librte_ether/rte_ethdev.c
index 56e22ea..416e778 100644
--- a/lib/librte_ether/rte_ethdev.c
+++ b/lib/librte_ether/rte_ethdev.c
@@ -119,34 +119,34 @@ struct rte_eth_xstats_name_off {
        unsigned offset;
 };

-static struct rte_eth_xstats_name_off rte_stats_strings[] = {
-        {"rx_packets", offsetof(struct rte_eth_stats, ipackets)},
-        {"tx_packets", offsetof(struct rte_eth_stats, opackets)},
-        {"rx_bytes", offsetof(struct rte_eth_stats, ibytes)},
-        {"tx_bytes", offsetof(struct rte_eth_stats, obytes)},
-        {"tx_errors", offsetof(struct rte_eth_stats, oerrors)},
-        {"rx_missed_errors", offsetof(struct rte_eth_stats, imissed)},
-        {"rx_crc_errors", offsetof(struct rte_eth_stats, ibadcrc)},
-        {"rx_bad_length_errors", offsetof(struct rte_eth_stats, ibadlen)},
-        {"rx_errors", offsetof(struct rte_eth_stats, ierrors)},
-        {"alloc_rx_buff_failed", offsetof(struct rte_eth_stats, rx_nombuf)},
-        {"fdir_match", offsetof(struct rte_eth_stats, fdirmatch)},
-        {"fdir_miss", offsetof(struct rte_eth_stats, fdirmiss)},
-        {"tx_flow_control_xon", offsetof(struct rte_eth_stats, tx_pause_xon)},
-        {"rx_flow_control_xon", offsetof(struct rte_eth_stats, rx_pause_xon)},
-        {"tx_flow_control_xoff", offsetof(struct rte_eth_stats, 
tx_pause_xoff)},
-        {"rx_flow_control_xoff", offsetof(struct rte_eth_stats, 
rx_pause_xoff)},
+static const struct rte_eth_xstats_name_off rte_stats_strings[] = {
+       {"rx_packets", offsetof(struct rte_eth_stats, ipackets)},
+       {"tx_packets", offsetof(struct rte_eth_stats, opackets)},
+       {"rx_bytes", offsetof(struct rte_eth_stats, ibytes)},
+       {"tx_bytes", offsetof(struct rte_eth_stats, obytes)},
+       {"tx_errors", offsetof(struct rte_eth_stats, oerrors)},
+       {"rx_missed_errors", offsetof(struct rte_eth_stats, imissed)},
+       {"rx_crc_errors", offsetof(struct rte_eth_stats, ibadcrc)},
+       {"rx_bad_length_errors", offsetof(struct rte_eth_stats, ibadlen)},
+       {"rx_errors", offsetof(struct rte_eth_stats, ierrors)},
+       {"alloc_rx_buff_failed", offsetof(struct rte_eth_stats, rx_nombuf)},
+       {"fdir_match", offsetof(struct rte_eth_stats, fdirmatch)},
+       {"fdir_miss", offsetof(struct rte_eth_stats, fdirmiss)},
+       {"tx_flow_control_xon", offsetof(struct rte_eth_stats, tx_pause_xon)},
+       {"rx_flow_control_xon", offsetof(struct rte_eth_stats, rx_pause_xon)},
+       {"tx_flow_control_xoff", offsetof(struct rte_eth_stats, tx_pause_xoff)},
+       {"rx_flow_control_xoff", offsetof(struct rte_eth_stats, rx_pause_xoff)},
 };
 #define RTE_NB_STATS (sizeof(rte_stats_strings) / sizeof(rte_stats_strings[0]))

-static struct rte_eth_xstats_name_off rte_rxq_stats_strings[] = {
+static const struct rte_eth_xstats_name_off rte_rxq_stats_strings[] = {
        {"rx_packets", offsetof(struct rte_eth_stats, q_ipackets)},
        {"rx_bytes", offsetof(struct rte_eth_stats, q_ibytes)},
 };
 #define RTE_NB_RXQ_STATS (sizeof(rte_rxq_stats_strings) /      \
                sizeof(rte_rxq_stats_strings[0]))

-static struct rte_eth_xstats_name_off rte_txq_stats_strings[] = {
+static const struct rte_eth_xstats_name_off rte_txq_stats_strings[] = {
        {"tx_packets", offsetof(struct rte_eth_stats, q_opackets)},
        {"tx_bytes", offsetof(struct rte_eth_stats, q_obytes)},
        {"tx_errors", offsetof(struct rte_eth_stats, q_errors)},
@@ -2651,7 +2651,7 @@ rte_eth_led_off(uint8_t port_id)
  * an empty spot.
  */
 static int
-get_mac_addr_index(uint8_t port_id, struct ether_addr *addr)
+get_mac_addr_index(uint8_t port_id, const struct ether_addr *addr)
 {
        struct rte_eth_dev_info dev_info;
        struct rte_eth_dev *dev = &rte_eth_devices[port_id];
@@ -2666,7 +2666,7 @@ get_mac_addr_index(uint8_t port_id, struct ether_addr 
*addr)
        return -1;
 }

-static struct ether_addr null_mac_addr = {{0, 0, 0, 0, 0, 0}};
+static const struct ether_addr null_mac_addr;

 int
 rte_eth_dev_mac_addr_add(uint8_t port_id, struct ether_addr *addr,
@@ -2792,7 +2792,7 @@ rte_eth_dev_set_vf_rxmode(uint8_t port_id,  uint16_t vf,
  * an empty spot.
  */
 static int
-get_hash_mac_addr_index(uint8_t port_id, struct ether_addr *addr)
+get_hash_mac_addr_index(uint8_t port_id, const struct ether_addr *addr)
 {
        struct rte_eth_dev_info dev_info;
        struct rte_eth_dev *dev = &rte_eth_devices[port_id];
-- 
2.1.4

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