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| author | Felix Fietkau <nbd@openwrt.org> | 2014-08-29 19:42:08 +0000 |
|---|---|---|
| committer | Felix Fietkau <nbd@openwrt.org> | 2014-08-29 19:42:08 +0000 |
| commit | 2c680151e4a5ed2114bbd6a82a8d0638f507decd (patch) | |
| tree | 0ab8ac31ece635e77f373ece4c7545caecddf097 /target/linux/ar71xx/files/drivers/net/ethernet/atheros/ag71xx/ag71xx.h | |
| parent | c23e0ed691bb8b36742fe996bc75fe94d7d03be2 (diff) | |
| download | mtk-20170518-2c680151e4a5ed2114bbd6a82a8d0638f507decd.zip mtk-20170518-2c680151e4a5ed2114bbd6a82a8d0638f507decd.tar.gz mtk-20170518-2c680151e4a5ed2114bbd6a82a8d0638f507decd.tar.bz2 | |
ar71xx: split packets into multiple descriptors on ar716x
This improves performance when doing concurrent rx/tx on a single
ethernet MAC, e.g. when routing between VLANs.
Fixes #13072
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
SVN-Revision: 42328
Diffstat (limited to 'target/linux/ar71xx/files/drivers/net/ethernet/atheros/ag71xx/ag71xx.h')
| -rw-r--r-- | target/linux/ar71xx/files/drivers/net/ethernet/atheros/ag71xx/ag71xx.h | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/target/linux/ar71xx/files/drivers/net/ethernet/atheros/ag71xx/ag71xx.h b/target/linux/ar71xx/files/drivers/net/ethernet/atheros/ag71xx/ag71xx.h index f6d85b9..9fb10fd 100644 --- a/target/linux/ar71xx/files/drivers/net/ethernet/atheros/ag71xx/ag71xx.h +++ b/target/linux/ar71xx/files/drivers/net/ethernet/atheros/ag71xx/ag71xx.h @@ -52,10 +52,13 @@ #define AG71XX_TX_MTU_LEN 1540 -#define AG71XX_TX_RING_SIZE_DEFAULT 32 +#define AG71XX_TX_RING_SPLIT 256 +#define AG71XX_TX_RING_DS_PER_PKT DIV_ROUND_UP(AG71XX_TX_MTU_LEN, \ + AG71XX_TX_RING_SPLIT) +#define AG71XX_TX_RING_SIZE_DEFAULT 48 #define AG71XX_RX_RING_SIZE_DEFAULT 128 -#define AG71XX_TX_RING_SIZE_MAX 32 +#define AG71XX_TX_RING_SIZE_MAX 48 #define AG71XX_RX_RING_SIZE_MAX 128 #ifdef CONFIG_AG71XX_DEBUG @@ -99,7 +102,8 @@ struct ag71xx_ring { struct ag71xx_buf *buf; u8 *descs_cpu; dma_addr_t descs_dma; - unsigned int desc_size; + u16 desc_split; + u16 desc_size; unsigned int curr; unsigned int dirty; unsigned int size; |