The buffer freeing function for the simple scalar Tx path is almost
identical in both ice and i40e drivers, except that the i40e has
batching for the FAST_FREE case. Consolidate both functions into a
common one based off the better i40e version.

Signed-off-by: Bruce Richardson <bruce.richardson@intel.com>
---
 drivers/net/intel/common/tx.h        |  3 ++
 drivers/net/intel/common/tx_scalar.h | 58 +++++++++++++++++++++++++
 drivers/net/intel/i40e/i40e_rxtx.c   | 63 +---------------------------
 drivers/net/intel/ice/ice_rxtx.c     | 45 +-------------------
 4 files changed, 65 insertions(+), 104 deletions(-)

diff --git a/drivers/net/intel/common/tx.h b/drivers/net/intel/common/tx.h
index ef6d543e7a..67378a0803 100644
--- a/drivers/net/intel/common/tx.h
+++ b/drivers/net/intel/common/tx.h
@@ -66,6 +66,9 @@ enum ci_tx_l2tag1_field {
 /* Common TX maximum burst size for chunked transmission in simple paths */
 #define CI_TX_MAX_BURST 32
 
+/* Common TX maximum free buffer size for batched bulk freeing */
+#define CI_TX_MAX_FREE_BUF_SZ 64
+

-- 
Regards,
Vladimir