net: ena: Remove unused code

The ENA_DEFAULT_MIN_RX_BUFF_ALLOC_SIZE macro,
ena_xdp_queues_present() function and SUSPEND_RESUME enums aren't used
in the driver, and so not needed.
Signed-off-by: Arthur Kiyanovski <akiyano@amazon.com>
Signed-off-by: Gal Pressman <galpress@amazon.com>
Signed-off-by: Sameeh Jubran <sameehj@amazon.com>
Signed-off-by: Shay Agroskin <shayagr@amazon.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/amazon/ena/ena_admin_defs.h

@@ -1042,8 +1042,6 @@ enum ena_admin_aenq_group {
 };
 
 enum ena_admin_aenq_notification_syndrome {
-	ENA_ADMIN_SUSPEND                           = 0,
-	ENA_ADMIN_RESUME                            = 1,
 	ENA_ADMIN_UPDATE_HINTS                      = 2,
 };
 

drivers/net/ethernet/amazon/ena/ena_netdev.h

@@ -55,12 +55,6 @@
 #define ENA_TX_WAKEUP_THRESH		(MAX_SKB_FRAGS + 2)
 #define ENA_DEFAULT_RX_COPYBREAK	(256 - NET_IP_ALIGN)
 
-/* limit the buffer size to 600 bytes to handle MTU changes from very
- * small to very large, in which case the number of buffers per packet
- * could exceed ENA_PKT_MAX_BUFS
- */
-#define ENA_DEFAULT_MIN_RX_BUFF_ALLOC_SIZE 600
-
 #define ENA_MIN_MTU		128
 
 #define ENA_NAME_MAX_LEN	20
@@ -417,11 +411,6 @@ enum ena_xdp_errors_t {
 	ENA_XDP_NO_ENOUGH_QUEUES,
 };
 
-static inline bool ena_xdp_queues_present(struct ena_adapter *adapter)
-{
-	return adapter->xdp_first_ring != 0;
-}
-
 static inline bool ena_xdp_present(struct ena_adapter *adapter)
 {
 	return !!adapter->xdp_bpf_prog;