From 1759d5d5e7d494ba0cd78b04e5203ecad6bfa5e9 Mon Sep 17 00:00:00 2001
From: Andrew Rybchenko <arybchik@FreeBSD.org>
Date: Tue, 12 Jan 2016 15:35:00 +0000
Subject: [PATCH] sfxge: remove obsolete lookahead split RXQ support

Submitted by:   Andy Moreton <amoreton at solarflare.com>
Reviewed by:    gnn
Sponsored by:   Solarflare Communications, Inc.
MFC after:      2 days
Differential Revision: https://reviews.freebsd.org/D4891
---
 sys/dev/sfxge/common/efx.h     | 2 --
 sys/dev/sfxge/common/efx_rx.c  | 8 +-------
 sys/dev/sfxge/common/hunt_rx.c | 5 -----
 3 files changed, 1 insertion(+), 14 deletions(-)

diff --git a/sys/dev/sfxge/common/efx.h b/sys/dev/sfxge/common/efx.h
index 89404e73aae8..f7ff65d49317 100644
--- a/sys/dev/sfxge/common/efx.h
+++ b/sys/dev/sfxge/common/efx.h
@@ -1916,8 +1916,6 @@ efx_psuedo_hdr_pkt_length_get(
 
 typedef enum efx_rxq_type_e {
 	EFX_RXQ_TYPE_DEFAULT,
-	EFX_RXQ_TYPE_SPLIT_HEADER,
-	EFX_RXQ_TYPE_SPLIT_PAYLOAD,
 	EFX_RXQ_TYPE_SCATTER,
 	EFX_RXQ_NTYPES
 } efx_rxq_type_t;
diff --git a/sys/dev/sfxge/common/efx_rx.c b/sys/dev/sfxge/common/efx_rx.c
index 48e6328b3d40..c017e3f510cf 100644
--- a/sys/dev/sfxge/common/efx_rx.c
+++ b/sys/dev/sfxge/common/efx_rx.c
@@ -1246,7 +1246,6 @@ falconsiena_rx_qcreate(
 	efx_nic_cfg_t *encp = &(enp->en_nic_cfg);
 	efx_oword_t oword;
 	uint32_t size;
-	boolean_t split;
 	boolean_t jumbo;
 	efx_rc_t rc;
 
@@ -1277,7 +1276,6 @@ falconsiena_rx_qcreate(
 
 	switch (type) {
 	case EFX_RXQ_TYPE_DEFAULT:
-		split = B_FALSE;
 		jumbo = B_FALSE;
 		break;
 
@@ -1307,7 +1305,6 @@ falconsiena_rx_qcreate(
 			rc = EINVAL;
 			goto fail4;
 		}
-		split = B_FALSE;
 		jumbo = B_TRUE;
 		break;
 #endif	/* EFSYS_OPT_RX_SCATTER */
@@ -1318,10 +1315,7 @@ falconsiena_rx_qcreate(
 	}
 
 	/* Set up the new descriptor queue */
-	EFX_POPULATE_OWORD_10(oword,
-	    FRF_CZ_RX_HDR_SPLIT, split,
-	    FRF_AZ_RX_ISCSI_DDIG_EN, 0,
-	    FRF_AZ_RX_ISCSI_HDIG_EN, 0,
+	EFX_POPULATE_OWORD_7(oword,
 	    FRF_AZ_RX_DESCQ_BUF_BASE_ID, id,
 	    FRF_AZ_RX_DESCQ_EVQ_ID, eep->ee_index,
 	    FRF_AZ_RX_DESCQ_OWNER_ID, 0,
diff --git a/sys/dev/sfxge/common/hunt_rx.c b/sys/dev/sfxge/common/hunt_rx.c
index b0cdb52128f5..57b0c3d63991 100644
--- a/sys/dev/sfxge/common/hunt_rx.c
+++ b/sys/dev/sfxge/common/hunt_rx.c
@@ -739,11 +739,6 @@ ef10_rx_qcreate(
 		disable_scatter = B_FALSE;
 	}
 
-	/*
-	 * Note: EFX_RXQ_TYPE_SPLIT_HEADER and EFX_RXQ_TYPE_SPLIT_PAYLOAD are
-	 * not supported here.
-	 */
-
 	if ((rc = efx_mcdi_init_rxq(enp, n, eep->ee_index, label, index,
 	    esmp, disable_scatter)) != 0)
 		goto fail3;