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Date: Fri, 16 Mar 2012 17:46:16 +0900 From: "Shimoda, Yoshihiro" <yoshihiro.shimoda.uh@...esas.com> To: netdev <netdev@...r.kernel.org> Cc: SH-Linux <linux-sh@...r.kernel.org> Subject: [PATCH 4/5] net: sh_eth: add CONFIG_SH_ETH_NUM_RXDESC option This patch allows you to configure the number of RX descriptors. Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@...esas.com> --- drivers/net/ethernet/renesas/Kconfig | 8 ++++++++ drivers/net/ethernet/renesas/sh_eth.h | 2 +- 2 files changed, 9 insertions(+), 1 deletions(-) diff --git a/drivers/net/ethernet/renesas/Kconfig b/drivers/net/ethernet/renesas/Kconfig index 9755b49..32c093b 100644 --- a/drivers/net/ethernet/renesas/Kconfig +++ b/drivers/net/ethernet/renesas/Kconfig @@ -17,3 +17,11 @@ config SH_ETH Renesas SuperH Ethernet device driver. This driver supporting CPUs are: - SH7710, SH7712, SH7763, SH7619, SH7724, and SH7757. + +config SH_ETH_NUM_RXDESC + int "Number of RX descriptor" + depends on SH_ETH + default "64" + ---help--- + If you want to need more RX descriptors, you can configure + the number of RX descriptors by this option. diff --git a/drivers/net/ethernet/renesas/sh_eth.h b/drivers/net/ethernet/renesas/sh_eth.h index 9ab3f8b..667bdd2 100644 --- a/drivers/net/ethernet/renesas/sh_eth.h +++ b/drivers/net/ethernet/renesas/sh_eth.h @@ -26,7 +26,7 @@ #define CARDNAME "sh-eth" #define TX_TIMEOUT (5*HZ) #define TX_RING_SIZE 64 /* Tx ring size */ -#define RX_RING_SIZE 64 /* Rx ring size */ +#define RX_RING_SIZE CONFIG_SH_ETH_NUM_RXDESC /* Rx ring size */ #define ETHERSMALL 60 #define PKT_BUF_SZ 1538 #define SH_ETH_TSU_TIMEOUT_MS 500 -- 1.7.1 -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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