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| author |   Hariprasad Shenai <hariprasad@chelsio.com> | 2015-09-28 10:26:53 +0530 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2015-09-28 22:35:29 -0700 |
| commit | 5e2a5ebc3f94027d0f2ffd33d3f3adbc856775d3 (patch) | |
| tree | 443ef8667e7121d13c84afbef7ac10284167b241 /drivers/net/ethernet/chelsio/cxgb4/t4_hw.h | |
| parent | net: Fix Hisilicon Network Subsystem Support Compilation (diff) | |
| download | linux-dev-5e2a5ebc3f94027d0f2ffd33d3f3adbc856775d3.tar.xz linux-dev-5e2a5ebc3f94027d0f2ffd33d3f3adbc856775d3.zip | |
cxgb4: Add HW timesptamp support for RX
Adds support for ethtool get time stamp ioctl, which is used by
tcpdump to get the supported time stamp types
eg: tcpdump -i eth5 -J
Time stamp types for eth5 (use option -j to set):
host (Host)
adapter_unsynced (Adapter, not synced with system time)
Adds support for adapter unsynced mode, by adding SIOCSHWTSTAMP support
in driver.
Signed-off-by: Hariprasad Shenai <hariprasad@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to '')
| -rw-r--r-- | drivers/net/ethernet/chelsio/cxgb4/t4_hw.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/net/ethernet/chelsio/cxgb4/t4_hw.h b/drivers/net/ethernet/chelsio/cxgb4/t4_hw.h index 640369df8b3a..13708fde1668 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/t4_hw.h +++ b/drivers/net/ethernet/chelsio/cxgb4/t4_hw.h @@ -263,4 +263,9 @@ enum { #undef FLASH_START #undef FLASH_MAX_SIZE +#define SGE_TIMESTAMP_S 0 +#define SGE_TIMESTAMP_M 0xfffffffffffffffULL +#define SGE_TIMESTAMP_V(x) ((__u64)(x) << SGE_TIMESTAMP_S) +#define SGE_TIMESTAMP_G(x) (((__u64)(x) >> SGE_TIMESTAMP_S) & SGE_TIMESTAMP_M) + #endif /* __T4_HW_H */ |