| From d60fd6ee78b2148b8fb9177aeacf229ab8e68218 Mon Sep 17 00:00:00 2001 |
| From: Sasha Levin <sashal@kernel.org> |
| Date: Tue, 25 Jul 2023 10:10:56 +0200 |
| Subject: igc: Change IGC_MIN to allow set rx/tx value between 64 and 80 |
| |
| From: Olga Zaborska <olga.zaborska@intel.com> |
| |
| [ 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@intel.com> |
| Tested-by: Naama Meir <naamax.meir@linux.intel.com> |
| Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com> |
| Signed-off-by: Sasha Levin <sashal@kernel.org> |
| --- |
| 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 38901d2a46807..b4077c3f62ed1 100644 |
| --- a/drivers/net/ethernet/intel/igc/igc.h |
| +++ b/drivers/net/ethernet/intel/igc/igc.h |
| @@ -368,11 +368,11 @@ 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 */ |
| -- |
| 2.40.1 |
| |
