[30/69] net/i40e/base: change of the incorrect Tx descriptors number
diff mbox series

Message ID 20191202074935.97629-31-xiaolong.ye@intel.com
State New
Delegated to: xiaolong ye
Headers show
Series
  • update for i40e base code
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Checks

Context Check Description
ci/Intel-compilation success Compilation OK
ci/checkpatch success coding style OK

Commit Message

Ye Xiaolong Dec. 2, 2019, 7:48 a.m. UTC
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.dziggel@intel.com>
Signed-off-by: Dariusz Chaberski <dariuszx.chaberski@intel.com>
Reviewed-by: Jacek Lisinski <jacekx.lisinski@intel.com>
Reviewed-by: Aleksandr Loktionov <aleksandr.loktionov@intel.com>
Reviewed-by: Formela Marcin <marcin.formela@intel.com>
Reviewed-by: Kirsher Jeffrey T <jeffrey.t.kirsher@intel.com>
Signed-off-by: Xiaolong Ye <xiaolong.ye@intel.com>
---
 drivers/net/i40e/base/i40e_type.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

Patch
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diff --git a/drivers/net/i40e/base/i40e_type.h b/drivers/net/i40e/base/i40e_type.h
index 23adbbccd..6a3cf52a2 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.
  */