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[PATCH v5 net-next 2/7] net: mvneta: Do not allocate buffer in rxq init with HWBM

From Gregory CLEMENT <gregory.clement@free-electrons.com>
Newsgroups linux.kernel
Subject [PATCH v5 net-next 2/7] net: mvneta: Do not allocate buffer in rxq init with HWBM
Date 2016-11-30 22:50 +0100
Message-ID <sJkVk-31F-35@gated-at.bofh.it> (permalink)
References <sJkVj-31F-7@gated-at.bofh.it>
Organization linux.* mail to news gateway

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For HWBM all buffers are allocated in mvneta_bm_construct() and in runtime
they are put into descriptors by hardware. There is no need to fill them
at this point.

Suggested-by: Marcin Wojtas <mw@semihalf.com>
Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
---
 drivers/net/ethernet/marvell/mvneta.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/ethernet/marvell/mvneta.c b/drivers/net/ethernet/marvell/mvneta.c
index 1b84f746d748..f5319c50f8d9 100644
--- a/drivers/net/ethernet/marvell/mvneta.c
+++ b/drivers/net/ethernet/marvell/mvneta.c
@@ -2784,14 +2784,14 @@ static int mvneta_rxq_init(struct mvneta_port *pp,
 		mvneta_rxq_buf_size_set(pp, rxq,
 					MVNETA_RX_BUF_SIZE(pp->pkt_size));
 		mvneta_rxq_bm_disable(pp, rxq);
+		mvneta_rxq_fill(pp, rxq, rxq->size);
 	} else {
 		mvneta_rxq_bm_enable(pp, rxq);
 		mvneta_rxq_long_pool_set(pp, rxq);
 		mvneta_rxq_short_pool_set(pp, rxq);
+		mvneta_rxq_non_occup_desc_add(pp, rxq, rxq->size);
 	}
 
-	mvneta_rxq_fill(pp, rxq, rxq->size);
-
 	return 0;
 }
 
-- 
git-series 0.8.10

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[PATCH v5 net-next 2/7] net: mvneta: Do not allocate buffer in rxq init with HWBM Gregory CLEMENT <gregory.clement@free-electrons.com> - 2016-11-30 22:50 +0100

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