From: Olga Zaborska Date: Tue, 25 Jul 2023 08:10:58 +0000 (+0200) Subject: igb: Change IGB_MIN to allow set rx/tx value between 64 and 80 X-Git-Tag: v4.14.326~46 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=6bca553cacb5a16d5d2083e11a56c8bb839a5352;p=thirdparty%2Fkernel%2Fstable.git igb: Change IGB_MIN to allow set rx/tx value between 64 and 80 [ Upstream commit 6319685bdc8ad5310890add907b7c42f89302886 ] Change the minimum value of RX/TX descriptors to 64 to enable setting the rx/tx value between 64 and 80. All igb devices can use as low as 64 descriptors. This change will unify igb with other drivers. Based on commit 7b1be1987c1e ("e1000e: lower ring minimum size to 64") Fixes: 9d5c824399de ("igb: PCI-Express 82575 Gigabit Ethernet driver") Signed-off-by: Olga Zaborska Tested-by: Pucha Himasekhar Reddy (A Contingent worker at Intel) Signed-off-by: Tony Nguyen Signed-off-by: Sasha Levin --- diff --git a/drivers/net/ethernet/intel/igb/igb.h b/drivers/net/ethernet/intel/igb/igb.h index 1113bf322f45b..a1e924391ae5b 100644 --- a/drivers/net/ethernet/intel/igb/igb.h +++ b/drivers/net/ethernet/intel/igb/igb.h @@ -52,11 +52,11 @@ struct igb_adapter; /* TX/RX descriptor defines */ #define IGB_DEFAULT_TXD 256 #define IGB_DEFAULT_TX_WORK 128 -#define IGB_MIN_TXD 80 +#define IGB_MIN_TXD 64 #define IGB_MAX_TXD 4096 #define IGB_DEFAULT_RXD 256 -#define IGB_MIN_RXD 80 +#define IGB_MIN_RXD 64 #define IGB_MAX_RXD 4096 #define IGB_DEFAULT_ITR 3 /* dynamic */