diff options
| author |   Michael Barkowski <michael.barkowski@freescale.com> | 2007-04-13 01:26:15 -0500 |
|---|---|---|
| committer |   Jeff Garzik <jeff@garzik.org> | 2007-04-28 11:01:04 -0400 |
| commit | 7563907eb8aad8f15b6a39fa6d863c091d83ef48 (patch) | |
| tree | 6fc5b8f2f5c0bd7845cefba8352cad7b2b84deda /drivers/net/ucc_geth.h | |
| parent | ucc_geth: NAPI-related bug fixes (diff) | |
| download | linux-dev-7563907eb8aad8f15b6a39fa6d863c091d83ef48.tar.xz linux-dev-7563907eb8aad8f15b6a39fa6d863c091d83ef48.zip | |
ucc_geth: Fix interrupt coalescing size and alignment
The rx interrupt coalescing table alignment was "guessed" to be 4,
but should be 64. The size should be 8 * number of queues + 4.
Verified in the MPC8323E manual.
Signed-off-by: Michael Barkowski <Michael.Barkowski@freescale.com>
Signed-off-by: Kim Phillips <kim.phillips@freescale.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
Diffstat (limited to 'drivers/net/ucc_geth.h')
| -rw-r--r-- | drivers/net/ucc_geth.h | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/drivers/net/ucc_geth.h b/drivers/net/ucc_geth.h index 7cf3dbc9fd4c..a29e1c3ca4b7 100644 --- a/drivers/net/ucc_geth.h +++ b/drivers/net/ucc_geth.h @@ -867,8 +867,7 @@ struct ucc_geth_hardware_statistics { #define UCC_GETH_SCHEDULER_ALIGNMENT 4 /* This is a guess */ #define UCC_GETH_TX_STATISTICS_ALIGNMENT 4 /* This is a guess */ #define UCC_GETH_RX_STATISTICS_ALIGNMENT 4 /* This is a guess */ -#define UCC_GETH_RX_INTERRUPT_COALESCING_ALIGNMENT 4 /* This is a - guess */ +#define UCC_GETH_RX_INTERRUPT_COALESCING_ALIGNMENT 64 #define UCC_GETH_RX_BD_QUEUES_ALIGNMENT 8 /* This is a guess */ #define UCC_GETH_RX_PREFETCHED_BDS_ALIGNMENT 128 /* This is a guess */ #define UCC_GETH_RX_EXTENDED_FILTERING_GLOBAL_PARAMETERS_ALIGNMENT 4 /* This |