[PATCH 5.4 270/367] igc: Change IGC_MIN to allow set rx/tx value between 64 and 80

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5.4-stable review patch.  If anyone has any objections, please let me know.


From: Olga Zaborska <olga.zaborska@xxxxxxxxx>

[ Upstream commit 5aa48279712e1f134aac908acde4df798955a955 ]

Change the minimum value of RX/TX descriptors to 64 to enable setting the rx/tx
value between 64 and 80. All igc devices can use as low as 64 descriptors.
This change will unify igc with other drivers.
Based on commit 7b1be1987c1e ("e1000e: lower ring minimum size to 64")

Fixes: 0507ef8a0372 ("igc: Add transmit and receive fastpath and interrupt handlers")
Signed-off-by: Olga Zaborska <olga.zaborska@xxxxxxxxx>
Tested-by: Naama Meir <naamax.meir@xxxxxxxxxxxxxxx>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@xxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
 drivers/net/ethernet/intel/igc/igc.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/ethernet/intel/igc/igc.h b/drivers/net/ethernet/intel/igc/igc.h
index aec998c82b694..a46eca3ffbcc5 100644
--- a/drivers/net/ethernet/intel/igc/igc.h
+++ b/drivers/net/ethernet/intel/igc/igc.h
@@ -78,11 +78,11 @@ extern char igc_driver_version[];
 /* TX/RX descriptor defines */
 #define IGC_DEFAULT_TXD		256
 #define IGC_DEFAULT_TX_WORK	128
-#define IGC_MIN_TXD		80
+#define IGC_MIN_TXD		64
 #define IGC_MAX_TXD		4096
 #define IGC_DEFAULT_RXD		256
-#define IGC_MIN_RXD		80
+#define IGC_MIN_RXD		64
 #define IGC_MAX_RXD		4096
 /* Transmit and receive queues */

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