[dpdk-stable] patch 'net/sfc: fix mbuf data alignment calculation' has been queued to stable release 18.02.2

[luca.boccassi at gmail.com]

Hi,

FYI, your patch has been queued to stable release 18.02.2

Note it hasn't been pushed to http://dpdk.org/browse/dpdk-stable yet.
It will be pushed if I get no objections before 05/02/18. So please
shout if anyone has objections.

Thanks.

Luca Boccassi

---
>From b3179400a0a2e1b365ecfc7f2d91ef86ecfe5de2 Mon Sep 17 00:00:00 2001
From: Andrew Rybchenko <arybchenko at solarflare.com>
Date: Mon, 19 Mar 2018 07:50:11 +0000
Subject: [PATCH] net/sfc: fix mbuf data alignment calculation

[ upstream commit bd0c7b4d76783484e1600ec34b0dae2c5d9ef57b ]

Unlike ffs() rte_bsf32() counts bit position from 0.

Fixes: 0c7a0c35f24c ("net/sfc: calculate Rx buffer size which may be used")

Signed-off-by: Andrew Rybchenko <arybchenko at solarflare.com>
---
 drivers/net/sfc/sfc_rx.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/sfc/sfc_rx.c b/drivers/net/sfc/sfc_rx.c
index abc53fb5b..64bc9d488 100644
--- a/drivers/net/sfc/sfc_rx.c
+++ b/drivers/net/sfc/sfc_rx.c
@@ -887,7 +887,7 @@ sfc_rx_mbuf_data_alignment(struct rte_mempool *mb_pool)
 
 	order = MIN(order, rte_bsf32(data_off));
 
-	return 1u << (order - 1);
+	return 1u << order;
 }
 
 static uint16_t
-- 
2.14.2