sfxge(4): do not use enum for filter flags

It is not 100% correct to assign non-enum values to enum type
variables.

Found by ICC build (DPDK PMD upstreaming).

Reviewed by:    gnn
Sponsored by:   Solarflare Communications, Inc.
MFC after:      2 days
Differential Revision:  https://reviews.freebsd.org/D8953

3 files changed, 23 insertions, 21 deletions

diff --git a/sys/dev/sfxge/common/ef10_filter.c b/sys/dev/sfxge/common/ef10_filter.c
index c1ce9ee545ad..e0306565d27a 100644
--- a/sys/dev/sfxge/common/ef10_filter.c
+++ b/sys/dev/sfxge/common/ef10_filter.c
@@ -947,7 +947,7 @@ static	__checkReturn	efx_rc_t
 ef10_filter_insert_unicast(
 	__in				efx_nic_t *enp,
 	__in_ecount(6)			uint8_t const *addr,
-	__in				efx_filter_flag_t filter_flags)
+	__in				efx_filter_flags_t filter_flags)
 {
 	ef10_filter_table_t *eftp = enp->en_filter.ef_ef10_filter_table;
 	efx_filter_spec_t spec;
@@ -978,7 +978,7 @@ fail1:
 static	__checkReturn	efx_rc_t
 ef10_filter_insert_all_unicast(
 	__in				efx_nic_t *enp,
-	__in				efx_filter_flag_t filter_flags)
+	__in				efx_filter_flags_t filter_flags)
 {
 	ef10_filter_table_t *eftp = enp->en_filter.ef_ef10_filter_table;
 	efx_filter_spec_t spec;
@@ -1012,7 +1012,7 @@ ef10_filter_insert_multicast_list(
 	__in				boolean_t brdcst,
 	__in_ecount(6*count)		uint8_t const *addrs,
 	__in				uint32_t count,
-	__in				efx_filter_flag_t filter_flags,
+	__in				efx_filter_flags_t filter_flags,
 	__in				boolean_t rollback)
 {
 	ef10_filter_table_t *eftp = enp->en_filter.ef_ef10_filter_table;
@@ -1105,7 +1105,7 @@ fail1:
 static	__checkReturn	efx_rc_t
 ef10_filter_insert_all_multicast(
 	__in				efx_nic_t *enp,
-	__in				efx_filter_flag_t filter_flags)
+	__in				efx_filter_flags_t filter_flags)
 {
 	ef10_filter_table_t *eftp = enp->en_filter.ef_ef10_filter_table;
 	efx_filter_spec_t spec;
@@ -1207,7 +1207,7 @@ ef10_filter_reconfigure(
 {
 	efx_nic_cfg_t *encp = &enp->en_nic_cfg;
 	ef10_filter_table_t *table = enp->en_filter.ef_ef10_filter_table;
-	efx_filter_flag_t filter_flags;
+	efx_filter_flags_t filter_flags;
 	unsigned int i;
 	efx_rc_t all_unicst_rc = 0;
 	efx_rc_t all_mulcst_rc = 0;
diff --git a/sys/dev/sfxge/common/efx.h b/sys/dev/sfxge/common/efx.h
index 58c64468be35..66e002c0e18e 100644
--- a/sys/dev/sfxge/common/efx.h
+++ b/sys/dev/sfxge/common/efx.h
@@ -2180,20 +2180,22 @@ efx_tx_qdestroy(
 #define	EFX_IPPROTO_TCP 6
 #define	EFX_IPPROTO_UDP 17
 
-typedef enum efx_filter_flag_e {
-	EFX_FILTER_FLAG_RX_RSS = 0x01,		/* use RSS to spread across
-						 * multiple queues */
-	EFX_FILTER_FLAG_RX_SCATTER = 0x02,	/* enable RX scatter */
-	EFX_FILTER_FLAG_RX_OVER_AUTO = 0x04,	/* Override an automatic filter
-						 * (priority EFX_FILTER_PRI_AUTO).
-						 * May only be set by the filter
-						 * implementation for each type.
-						 * A removal request will
-						 * restore the automatic filter
-						 * in its place. */
-	EFX_FILTER_FLAG_RX = 0x08,		/* Filter is for RX */
-	EFX_FILTER_FLAG_TX = 0x10,		/* Filter is for TX */
-} efx_filter_flag_t;
+/* Use RSS to spread across multiple queues */
+#define	EFX_FILTER_FLAG_RX_RSS		0x01
+/* Enable RX scatter */
+#define	EFX_FILTER_FLAG_RX_SCATTER	0x02
+/*
+ * Override an automatic filter (priority EFX_FILTER_PRI_AUTO).
+ * May only be set by the filter implementation for each type.
+ * A removal request will restore the automatic filter in its place.
+ */
+#define	EFX_FILTER_FLAG_RX_OVER_AUTO	0x04
+/* Filter is for RX */
+#define	EFX_FILTER_FLAG_RX		0x08
+/* Filter is for TX */
+#define	EFX_FILTER_FLAG_TX		0x10
+
+typedef unsigned int efx_filter_flags_t;
 
 typedef enum efx_filter_match_flags_e {
 	EFX_FILTER_MATCH_REM_HOST = 0x0001,	/* Match by remote IP host
@@ -2289,7 +2291,7 @@ extern			void
 efx_filter_spec_init_rx(
 	__out		efx_filter_spec_t *spec,
 	__in		efx_filter_priority_t priority,
-	__in		efx_filter_flag_t flags,
+	__in		efx_filter_flags_t flags,
 	__in		efx_rxq_t *erp);
 
 extern			void
diff --git a/sys/dev/sfxge/common/efx_filter.c b/sys/dev/sfxge/common/efx_filter.c
index 4543bb466d6f..f0d12bd2d588 100644
--- a/sys/dev/sfxge/common/efx_filter.c
+++ b/sys/dev/sfxge/common/efx_filter.c
@@ -273,7 +273,7 @@ fail1:
 efx_filter_spec_init_rx(
 	__out		efx_filter_spec_t *spec,
 	__in		efx_filter_priority_t priority,
-	__in		efx_filter_flag_t flags,
+	__in		efx_filter_flags_t flags,
 	__in		efx_rxq_t *erp)
 {
 	EFSYS_ASSERT3P(spec, !=, NULL);