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igc: Change IGC_MIN to allow set rx/tx value between 64 and 80

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[ 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 7b1be1987c ("e1000e: lower ring minimum size to 64")

Fixes: 0507ef8a03 ("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>
This commit is contained in:
Olga Zaborska 2023-07-25 10:10:56 +02:00 committed by Greg Kroah-Hartman
parent e2e2c839d8
commit 30acc4f954
1 changed files with 2 additions and 2 deletions
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4
drivers/net/ethernet/intel/igc/igc.h
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@ -354,11 +354,11 @@ static inline u32 igc_rss_type(const union igc_adv_rx_desc *rx_desc)
/* TX/RX descriptor defines */ /* TX/RX descriptor defines */
#define IGC_DEFAULT_TXD 256 #define IGC_DEFAULT_TXD 256
#define IGC_DEFAULT_TX_WORK 128 #define IGC_DEFAULT_TX_WORK 128
#define IGC_MIN_TXD 80 #define IGC_MIN_TXD 64
#define IGC_MAX_TXD 4096 #define IGC_MAX_TXD 4096
#define IGC_DEFAULT_RXD 256 #define IGC_DEFAULT_RXD 256
#define IGC_MIN_RXD 80 #define IGC_MIN_RXD 64
#define IGC_MAX_RXD 4096 #define IGC_MAX_RXD 4096
/* Supported Rx Buffer Sizes */ /* Supported Rx Buffer Sizes */