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author | Paolo Abeni <pabeni@redhat.com> | 2022-11-08 14:39:04 +0300 |
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committer | Paolo Abeni <pabeni@redhat.com> | 2022-11-08 14:39:04 +0300 |
commit | ee1bfbcc71cfac3b570365558cf38cb70f6ca971 (patch) | |
tree | b9c9c03e984d52ed7a24496a39396fe45c5a015f /drivers/net/ethernet/broadcom/bnxt/bnxt_ptp.h | |
parent | b2140e971309511074933da3edd5bbfcb6d394e5 (diff) | |
parent | 85036aee1938d65da4be6ae1bc7e5e7e30b567b9 (diff) | |
download | linux-ee1bfbcc71cfac3b570365558cf38cb70f6ca971.tar.xz |
Merge branch 'bnxt_en-updates'
Michael Chan says:
====================
bnxt_en: Updates
This small patchset adds an improvement to the configuration of ethtool
RSS tuple hash and a PTP improvement when running in a multi-host
environment.
====================
Link: https://lore.kernel.org/r/1667780192-3700-1-git-send-email-michael.chan@broadcom.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Diffstat (limited to 'drivers/net/ethernet/broadcom/bnxt/bnxt_ptp.h')
-rw-r--r-- | drivers/net/ethernet/broadcom/bnxt/bnxt_ptp.h | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_ptp.h b/drivers/net/ethernet/broadcom/bnxt/bnxt_ptp.h index 4ce0a14c1e23..34162e07a119 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt_ptp.h +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_ptp.h @@ -17,6 +17,8 @@ #define BNXT_PTP_GRC_WIN_BASE 0x6000 #define BNXT_MAX_PHC_DRIFT 31000000 +#define BNXT_CYCLES_SHIFT 23 +#define BNXT_DEVCLK_FREQ 1000000 #define BNXT_LO_TIMER_MASK 0x0000ffffffffUL #define BNXT_HI_TIMER_MASK 0xffff00000000UL @@ -88,8 +90,9 @@ struct bnxt_ptp_cfg { u64 old_time; unsigned long next_period; unsigned long next_overflow_check; - /* 48-bit PHC overflows in 78 hours. Check overflow every 19 hours. */ - #define BNXT_PHC_OVERFLOW_PERIOD (19 * 3600 * HZ) + u32 cmult; + /* a 23b shift cyclecounter will overflow in ~36 mins. Check overflow every 18 mins. */ + #define BNXT_PHC_OVERFLOW_PERIOD (18 * 60 * HZ) u16 tx_seqid; u16 tx_hdr_off; |