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Commit bd249622 authored by Scott Feldman's avatar Scott Feldman Committed by David S. Miller
Browse files

enic: Bug fix: align desc ring sizes to 32 descs 



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: default avatarVasanthy Kolluri <vkolluri@cisco.com>
Signed-off-by: default avatarScott Feldman <scofeldm@cisco.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 9959a185

drivers/net/enic/enic_res.c

+2 −2
Original line number Diff line number Diff line
@@ -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;