The existing driver allows setting the number of TX descriptors to the value that is indivisible by 32. This is not properly supported by x710 hardware. The patch limits the number of TX descriptors to the whole value of 32.
Signed-off-by: Doug Dziggel <douglas.a.dzig...@intel.com> Signed-off-by: Dariusz Chaberski <dariuszx.chaber...@intel.com> Signed-off-by: Xiaolong Ye <xiaolong...@intel.com> --- drivers/net/i40e/base/i40e_type.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/net/i40e/base/i40e_type.h b/drivers/net/i40e/base/i40e_type.h index 8d257e00a..f0e4b667a 100644 --- a/drivers/net/i40e/base/i40e_type.h +++ b/drivers/net/i40e/base/i40e_type.h @@ -79,8 +79,8 @@ typedef void (*I40E_ADMINQ_CALLBACK)(struct i40e_hw *, struct i40e_aq_desc *); #define I40E_HI_BYTE(x) ((u8)(((x) >> 8) & 0xFF)) #define I40E_LO_BYTE(x) ((u8)((x) & 0xFF)) -/* Number of Transmit Descriptors must be a multiple of 8. */ -#define I40E_REQ_TX_DESCRIPTOR_MULTIPLE 8 +/* Number of Transmit Descriptors must be a multiple of 32. */ +#define I40E_REQ_TX_DESCRIPTOR_MULTIPLE 32 /* Number of Receive Descriptors must be a multiple of 32 if * the number of descriptors is greater than 32. */ -- 2.17.1
