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net/sfc: fix mbuf data alignment calculation

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

Fixes: 0c7a0c35f24c ("net/sfc: calculate Rx buffer size which may be used")
Cc: stable@dpdk.org

Signed-off-by: Andrew Rybchenko <arybchenko@solarflare.com>
This commit is contained in:
Andrew Rybchenko 2018-03-19 07:50:11 +00:00 committed by Ferruh Yigit
parent 0f5b98a56d
commit bd0c7b4d76
1 changed files with 1 additions and 1 deletions
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drivers/net/sfc/sfc_rx.c
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@ -887,7 +887,7 @@ sfc_rx_mbuf_data_alignment(struct rte_mempool *mb_pool)
order = MIN(order, rte_bsf32(data_off)); order = MIN(order, rte_bsf32(data_off));
return 1u << (order - 1); return 1u << order;
} }
static uint16_t static uint16_t