diff options
| author |   Satanand Burla <satananda.burla@cavium.com> | 2017-01-31 13:04:42 -0800 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2017-02-01 12:25:40 -0500 |
| commit | cdb478e5e413864df73096ef4f0e5d518395a92b (patch) | |
| tree | 4ebd2ed508b7a6aa5a5aba99f35308d0226fc1cf /drivers/net/ethernet/cavium/liquidio/liquidio_common.h | |
| parent | net: ipv6: add NLM_F_APPEND in notifications when applicable (diff) | |
| download | linux-dev-cdb478e5e413864df73096ef4f0e5d518395a92b.tar.xz linux-dev-cdb478e5e413864df73096ef4f0e5d518395a92b.zip | |
liquidio: fix for iq and droq cnts going negative
Flush the mmio writes before releasing spin locks.
if the maintained counts get too high > 2M force
writeback of the counts to clear them
Signed-off-by: Satanand Burla <satananda.burla@cavium.com>
Signed-off-by: Felix Manlunas <felix.manlunas@cavium.com>
Signed-off-by: Raghu Vatsavayi <raghu.vatsavayi@cavium.com>
Signed-off-by: Derek Chickles <derek.chickles@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/cavium/liquidio/liquidio_common.h')
| -rw-r--r-- | drivers/net/ethernet/cavium/liquidio/liquidio_common.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/net/ethernet/cavium/liquidio/liquidio_common.h b/drivers/net/ethernet/cavium/liquidio/liquidio_common.h index bc0af8af1a0c..294c6f3c6b48 100644 --- a/drivers/net/ethernet/cavium/liquidio/liquidio_common.h +++ b/drivers/net/ethernet/cavium/liquidio/liquidio_common.h @@ -99,6 +99,7 @@ enum octeon_tag_type { #define CVM_DRV_APP_END (CVM_DRV_INVALID_APP - 1) #define BYTES_PER_DHLEN_UNIT 8 +#define MAX_REG_CNT 2000000U static inline u32 incr_index(u32 index, u32 count, u32 max) { |