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Date: Mon, 21 Dec 2009 18:21:42 -0800 From: Scott Feldman <scofeldm@...co.com> To: davem@...emloft.net Cc: netdev@...r.kernel.org Subject: [net-next PATCH 4/6] enic: Bug fix: align desc ring sizes to 32 descs From: Scott Feldman <scofeldm@...co.com> Previous driver was aligning ring sizes to 16 descs, but hardware actually wants desc ring sizes to be aligned to 32 descs. Signed-off-by: Vasanthy Kolluri <vkolluri@...co.com> Signed-off-by: Scott Feldman <scofeldm@...co.com> --- drivers/net/enic/enic_res.c | 4 ++-- 1 files changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/net/enic/enic_res.c b/drivers/net/enic/enic_res.c index 3211114..a605da1 100644 --- a/drivers/net/enic/enic_res.c +++ b/drivers/net/enic/enic_res.c @@ -74,13 +74,13 @@ int enic_get_vnic_config(struct enic *enic) min_t(u32, ENIC_MAX_WQ_DESCS, max_t(u32, ENIC_MIN_WQ_DESCS, c->wq_desc_count)); - c->wq_desc_count &= 0xfffffff0; /* must be aligned to groups of 16 */ + c->wq_desc_count &= 0xffffffe0; /* must be aligned to groups of 32 */ c->rq_desc_count = min_t(u32, ENIC_MAX_RQ_DESCS, max_t(u32, ENIC_MIN_RQ_DESCS, c->rq_desc_count)); - c->rq_desc_count &= 0xfffffff0; /* must be aligned to groups of 16 */ + c->rq_desc_count &= 0xffffffe0; /* must be aligned to groups of 32 */ if (c->mtu == 0) c->mtu = 1500; -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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