From f4c5640d6d38a677072b8487bbc01ded232b3c1e Mon Sep 17 00:00:00 2001 From: Olga Zaborska Date: Tue, 25 Jul 2023 10:10:56 +0200 Subject: [PATCH] igc: Change IGC_MIN to allow set rx/tx value between 64 and 80 [ 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 Tested-by: Naama Meir Signed-off-by: Tony Nguyen Signed-off-by: Sasha Levin --- 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 192fee9e72b0..e09ca21b8e3f 100644 --- a/drivers/net/ethernet/intel/igc/igc.h +++ b/drivers/net/ethernet/intel/igc/igc.h @@ -359,11 +359,11 @@ static inline u32 igc_rss_type(const union igc_adv_rx_desc *rx_desc) /* 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 /* Supported Rx Buffer Sizes */