sfxge(4): remove Falcon-specific code paths from common code

Submitted by:   Andy Moreton <amoreton at solarflare.com>
Sponsored by:   Solarflare Communications, Inc.
MFC after:      1 week
Differential Revision:  https://reviews.freebsd.org/D6289

5 files changed, 16 insertions, 60 deletions

diff --git a/sys/dev/sfxge/common/efx.h b/sys/dev/sfxge/common/efx.h
index 667bb72..37b0855 100644
--- a/sys/dev/sfxge/common/efx.h
+++ b/sys/dev/sfxge/common/efx.h
@@ -59,7 +59,7 @@ typedef __success(return == 0) int efx_rc_t;
 
 typedef enum efx_family_e {
 	EFX_FAMILY_INVALID,
-	EFX_FAMILY_FALCON,
+	EFX_FAMILY_FALCON,	/* Obsolete and not supported */
 	EFX_FAMILY_SIENA,
 	EFX_FAMILY_HUNTINGTON,
 	EFX_FAMILY_MEDFORD,
@@ -246,7 +246,6 @@ efx_mcdi_fini(
 
 /* INTR */
 
-#define	EFX_NINTR_FALCON 64
 #define	EFX_NINTR_SIENA 1024
 
 typedef enum efx_intr_type_e {
diff --git a/sys/dev/sfxge/common/efx_ev.c b/sys/dev/sfxge/common/efx_ev.c
index 317dc6a..3bb0636 100644
--- a/sys/dev/sfxge/common/efx_ev.c
+++ b/sys/dev/sfxge/common/efx_ev.c
@@ -547,7 +547,6 @@ falconsiena_ev_rx(
 	__in		const efx_ev_callbacks_t *eecp,
 	__in_opt	void *arg)
 {
-	efx_nic_t *enp = eep->ee_enp;
 	uint32_t id;
 	uint32_t size;
 	uint32_t label;
@@ -577,8 +576,7 @@ falconsiena_ev_rx(
 
 	hdr_type = EFX_QWORD_FIELD(*eqp, FSF_AZ_RX_EV_HDR_TYPE);
 
-	is_v6 = (enp->en_family != EFX_FAMILY_FALCON &&
-		    EFX_QWORD_FIELD(*eqp, FSF_CZ_RX_EV_IPV6_PKT) != 0);
+	is_v6 = (EFX_QWORD_FIELD(*eqp, FSF_CZ_RX_EV_IPV6_PKT) != 0);
 
 	/*
 	 * If packet is marked as OK and packet type is TCP/IP or
@@ -671,7 +669,7 @@ falconsiena_ev_rx(
 	 * (which clears PKT_OK). If this is set, then don't trust
 	 * the PKT_TYPE field.
 	 */
-	if (enp->en_family != EFX_FAMILY_FALCON && !ok) {
+	if (!ok) {
 		uint32_t parse_err;
 
 		parse_err = EFX_QWORD_FIELD(*eqp, FSF_CZ_RX_EV_PKT_NOT_PARSED);
@@ -1222,14 +1220,9 @@ falconsiena_ev_qmoderate(
 
 	/* If the value is zero then disable the timer */
 	if (us == 0) {
-		if (enp->en_family == EFX_FAMILY_FALCON)
-			EFX_POPULATE_DWORD_2(dword,
-			    FRF_AB_TC_TIMER_MODE, FFE_AB_TIMER_MODE_DIS,
-			    FRF_AB_TC_TIMER_VAL, 0);
-		else
-			EFX_POPULATE_DWORD_2(dword,
-			    FRF_CZ_TC_TIMER_MODE, FFE_CZ_TIMER_MODE_DIS,
-			    FRF_CZ_TC_TIMER_VAL, 0);
+		EFX_POPULATE_DWORD_2(dword,
+		    FRF_CZ_TC_TIMER_MODE, FFE_CZ_TIMER_MODE_DIS,
+		    FRF_CZ_TC_TIMER_VAL, 0);
 	} else {
 		uint32_t timer_val;
 
@@ -1240,14 +1233,9 @@ falconsiena_ev_qmoderate(
 		if (timer_val > 0)
 			timer_val--;
 
-		if (enp->en_family == EFX_FAMILY_FALCON)
-			EFX_POPULATE_DWORD_2(dword,
-			    FRF_AB_TC_TIMER_MODE, FFE_AB_TIMER_MODE_INT_HLDOFF,
-			    FRF_AB_TIMER_VAL, timer_val);
-		else
-			EFX_POPULATE_DWORD_2(dword,
-			    FRF_CZ_TC_TIMER_MODE, FFE_CZ_TIMER_MODE_INT_HLDOFF,
-			    FRF_CZ_TC_TIMER_VAL, timer_val);
+		EFX_POPULATE_DWORD_2(dword,
+		    FRF_CZ_TC_TIMER_MODE, FFE_CZ_TIMER_MODE_INT_HLDOFF,
+		    FRF_CZ_TC_TIMER_VAL, timer_val);
 	}
 
 	locked = (eep->ee_index == 0) ? 1 : 0;
@@ -1315,10 +1303,8 @@ falconsiena_ev_qcreate(
 #endif	/* EFSYS_OPT_MCDI */
 
 	/* Set up the new event queue */
-	if (enp->en_family != EFX_FAMILY_FALCON) {
-		EFX_POPULATE_OWORD_1(oword, FRF_CZ_TIMER_Q_EN, 1);
-		EFX_BAR_TBL_WRITEO(enp, FR_AZ_TIMER_TBL, index, &oword, B_TRUE);
-	}
+	EFX_POPULATE_OWORD_1(oword, FRF_CZ_TIMER_Q_EN, 1);
+	EFX_BAR_TBL_WRITEO(enp, FR_AZ_TIMER_TBL, index, &oword, B_TRUE);
 
 	EFX_POPULATE_OWORD_3(oword, FRF_AZ_EVQ_EN, 1, FRF_AZ_EVQ_SIZE, size,
 	    FRF_AZ_EVQ_BUF_BASE_ID, id);
@@ -1432,11 +1418,8 @@ falconsiena_ev_qdestroy(
 	EFX_BAR_TBL_WRITEO(enp, FR_AZ_EVQ_PTR_TBL,
 	    eep->ee_index, &oword, B_TRUE);
 
-	if (enp->en_family != EFX_FAMILY_FALCON) {
-		EFX_ZERO_OWORD(oword);
-		EFX_BAR_TBL_WRITEO(enp, FR_AZ_TIMER_TBL,
-		    eep->ee_index, &oword, B_TRUE);
-	}
+	EFX_ZERO_OWORD(oword);
+	EFX_BAR_TBL_WRITEO(enp, FR_AZ_TIMER_TBL, eep->ee_index, &oword, B_TRUE);
 }
 
 static		void
diff --git a/sys/dev/sfxge/common/efx_impl.h b/sys/dev/sfxge/common/efx_impl.h
index 12db206..9ab7f97 100644
--- a/sys/dev/sfxge/common/efx_impl.h
+++ b/sys/dev/sfxge/common/efx_impl.h
@@ -788,10 +788,6 @@ struct efx_txq_s {
 		char rev;						\
 									\
 		switch ((_enp)->en_family) {				\
-		case EFX_FAMILY_FALCON:					\
-			rev = 'B';					\
-			break;						\
-									\
 		case EFX_FAMILY_SIENA:					\
 			rev = 'C';					\
 			break;						\
diff --git a/sys/dev/sfxge/common/efx_intr.c b/sys/dev/sfxge/common/efx_intr.c
index 555b1ee..a1029c4 100644
--- a/sys/dev/sfxge/common/efx_intr.c
+++ b/sys/dev/sfxge/common/efx_intr.c
@@ -397,24 +397,9 @@ falconsiena_intr_trigger(
 	/* bug16757: No event queues can be initialized */
 	EFSYS_ASSERT(!(enp->en_mod_flags & EFX_MOD_EV));
 
-	switch (enp->en_family) {
-	case EFX_FAMILY_FALCON:
-		if (level >= EFX_NINTR_FALCON) {
-			rc = EINVAL;
-			goto fail1;
-		}
-		break;
-
-	case EFX_FAMILY_SIENA:
-		if (level >= EFX_NINTR_SIENA) {
-			rc = EINVAL;
-			goto fail1;
-		}
-		break;
-
-	default:
-		EFSYS_ASSERT(B_FALSE);
-		break;
+	if (level >= EFX_NINTR_SIENA) {
+		rc = EINVAL;
+		goto fail1;
 	}
 
 	if (level > EFX_MASK32(FRF_AZ_KER_INT_LEVE_SEL))
diff --git a/sys/dev/sfxge/common/efx_rx.c b/sys/dev/sfxge/common/efx_rx.c
index 13d1f69..ad683b1 100644
--- a/sys/dev/sfxge/common/efx_rx.c
+++ b/sys/dev/sfxge/common/efx_rx.c
@@ -692,11 +692,6 @@ fail1:
 	do {								\
 		efx_oword_t oword;					\
 									\
-		if ((_enp)->en_family == EFX_FAMILY_FALCON) {		\
-			(_rc) = ((_ip) || (_tcp)) ? ENOTSUP : 0;	\
-			break;						\
-		}							\
-									\
 		EFX_BAR_READO((_enp), FR_CZ_RX_RSS_IPV6_REG3, &oword);	\
 		EFX_SET_OWORD_FIELD(oword,				\
 		    FRF_CZ_RX_RSS_IPV6_THASH_ENABLE, 1);		\
@@ -799,8 +794,6 @@ falconsiena_rx_scale_key_set(
 	if ((enp->en_features & EFX_FEATURE_IPV6) == 0)
 		goto done;
 
-	EFSYS_ASSERT3U(enp->en_family, !=, EFX_FAMILY_FALCON);
-
 	byte = 0;
 
 	/* Write Toeplitz IPv6 hash key 3 */