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| author | Felix Fietkau <nbd@openwrt.org> | 2014-09-07 09:46:39 +0000 |
|---|---|---|
| committer | Felix Fietkau <nbd@openwrt.org> | 2014-09-07 09:46:39 +0000 |
| commit | 96475a042ec3af58ba77cadf2a283e005038d27c (patch) | |
| tree | 9272f71403e68ef3fa6d3b94e5d47b8e7904d0d4 /target/linux/ar71xx/files/drivers/net/ethernet/atheros/ag71xx/ag71xx.h | |
| parent | 4ff0d3f27a1df5850ef9bc797bf5771c47d29964 (diff) | |
| download | upstream-96475a042ec3af58ba77cadf2a283e005038d27c.tar.gz upstream-96475a042ec3af58ba77cadf2a283e005038d27c.tar.bz2 upstream-96475a042ec3af58ba77cadf2a283e005038d27c.zip | |
ar71xx: merge ethernet tx descriptor splitting from trunk (as of r42429) to fix ar716x performance issues
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
git-svn-id: svn://svn.openwrt.org/openwrt/branches/barrier_breaker@42433 3c298f89-4303-0410-b956-a3cf2f4a3e73
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 f6d85b9084..2d7c963a44 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 512 +#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; |