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| author | Amritha Nambiar <amritha.nambiar@intel.com> | 2017-09-07 13:00:27 +0200 |
|---|---|---|
| committer | Jeff Kirsher <jeffrey.t.kirsher@intel.com> | 2017-10-13 23:07:32 +0200 |
| commit | 5ecae4120a6b50fb8a31d2f335eab390bcf5ad66 (patch) | |
| tree | b98e8e740c459997b4b4ea048fd767254cd98b68 /drivers/net/ethernet/intel/i40e/i40e.h | |
| parent | i40e: Enable 'channel' mode in mqprio for TC configs (diff) | |
| download | linux-5ecae4120a6b50fb8a31d2f335eab390bcf5ad66.tar.xz linux-5ecae4120a6b50fb8a31d2f335eab390bcf5ad66.zip | |
i40e: Refactor VF BW rate limiting
This patch refactors the BW rate limiting for Tx traffic
on the VF to be reused in the next patch for rate limiting Tx
traffic for the VSIs on the PF as well.
Signed-off-by: Amritha Nambiar <amritha.nambiar@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Diffstat (limited to 'drivers/net/ethernet/intel/i40e/i40e.h')
| -rw-r--r-- | drivers/net/ethernet/intel/i40e/i40e.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/net/ethernet/intel/i40e/i40e.h b/drivers/net/ethernet/intel/i40e/i40e.h index 024c88474951..524aa06a9e0e 100644 --- a/drivers/net/ethernet/intel/i40e/i40e.h +++ b/drivers/net/ethernet/intel/i40e/i40e.h @@ -128,6 +128,10 @@ /* default to trying for four seconds */ #define I40E_TRY_LINK_TIMEOUT (4 * HZ) +/* BW rate limiting */ +#define I40E_BW_CREDIT_DIVISOR 50 /* 50Mbps per BW credit */ +#define I40E_MAX_BW_INACTIVE_ACCUM 4 /* accumulate 4 credits max */ + /* driver state flags */ enum i40e_state_t { __I40E_TESTING, @@ -1039,4 +1043,5 @@ static inline bool i40e_enabled_xdp_vsi(struct i40e_vsi *vsi) } int i40e_create_queue_channel(struct i40e_vsi *vsi, struct i40e_channel *ch); +int i40e_set_bw_limit(struct i40e_vsi *vsi, u16 seid, u64 max_tx_rate); #endif /* _I40E_H_ */ |