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Commit 5920869f authored by Jack Morgenstein's avatar Jack Morgenstein Committed by Roland Dreier
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mlx4_core: Fix max_eqs masking in QUERY_DEV_CAP 



log_max_eqs is a 4-bit field, not a 3-bit field in the response to the
QUERY_DEV_CAP FW command, so we should mask with 0xf instead of 0x7
when reading it.

Found by Yossi Leybovitch of Mellanox.

Signed-off-by: default avatarJack Morgenstein <jackm@dev.mellanox.co.il>
Signed-off-by: default avatarRoland Dreier <rolandd@cisco.com>
parent 3c845086

drivers/net/mlx4/fw.c

+1 −1
Original line number Diff line number Diff line
@@ -202,7 +202,7 @@ int mlx4_QUERY_DEV_CAP(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap) 
	MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_EQ_OFFSET);

	dev_cap->reserved_eqs = 1 << (field & 0xf);

	MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_EQ_OFFSET);

	dev_cap->max_eqs = 1 << (field & 0x7);

	dev_cap->max_eqs = 1 << (field & 0xf);

	MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_MTT_OFFSET);

	dev_cap->reserved_mtts = 1 << (field >> 4);

	MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_MRW_SZ_OFFSET);