diff options
| author |   Ioana Ciocoi Radulescu <ruxandra.radulescu@nxp.com> | 2019-02-04 17:00:37 +0000 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2019-02-06 10:49:55 -0800 |
| commit | 20fb0572826b8dca465ad97b0b7eddd78bafb7ae (patch) | |
| tree | 5436b168c7bd9f0d315ab1db35c57951f112147d /drivers/net/ethernet/freescale | |
| parent | dpaa2-eth: Use FQ-based DPIO enqueue API (diff) | |
| download | linux-dev-20fb0572826b8dca465ad97b0b7eddd78bafb7ae.tar.xz linux-dev-20fb0572826b8dca465ad97b0b7eddd78bafb7ae.zip | |
dpaa2-eth: Update buffer pool refill threshold
Add more buffers to the Rx buffer pool as soon as 7 of them
get consumed, instead of waiting for their number to drop
below a fixed threshold.
7 is the number of buffers that can be released in the pool
via a single DPIO command.
Signed-off-by: Ioana Radulescu <ruxandra.radulescu@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/freescale')
| -rw-r--r-- | drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.h b/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.h index 3e29dece51e4..9510928b7cca 100644 --- a/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.h +++ b/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.h @@ -53,7 +53,8 @@ */ #define DPAA2_ETH_MAX_FRAMES_PER_QUEUE (DPAA2_ETH_TAILDROP_THRESH / 64) #define DPAA2_ETH_NUM_BUFS (DPAA2_ETH_MAX_FRAMES_PER_QUEUE + 256) -#define DPAA2_ETH_REFILL_THRESH DPAA2_ETH_MAX_FRAMES_PER_QUEUE +#define DPAA2_ETH_REFILL_THRESH \ + (DPAA2_ETH_NUM_BUFS - DPAA2_ETH_BUFS_PER_CMD) /* Maximum number of buffers that can be acquired/released through a single * QBMan command |