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i40e/base: remove code for TPH

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The code wrapped in '#ifdef I40E_TPH_SUPPORT' was added
to check if 'TPH' (TLP Processing Hints) is supported, and enable it.
It is not used currently and can be removed.

Signed-off-by: Helin Zhang <helin.zhang@intel.com>
Reviewed-by: Chen Jing <jing.d.chen@intel.com>
Tested-by: HuilongX Xu <huilongx.xu@intel.com>
This commit is contained in:
Helin Zhang 2014-09-09 15:21:33 +08:00 committed by Thomas Monjalon
parent f739ac5e90
commit f5fb399ac5
1 changed files with 0 additions and 55 deletions
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55
lib/librte_pmd_i40e/i40e/i40e_common.c
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@ -542,61 +542,6 @@ struct i40e_rx_ptype_decoded i40e_ptype_lookup[] = {
I40E_PTT_UNUSED_ENTRY(255)
};
#ifdef I40E_TPH_SUPPORT
/**
* i40e_tph_present
* @hw: pointer to the hw struct
*
* Check to see if TPH capability is present.
**/
bool i40e_tph_present(struct i40e_hw *hw)
{
u32 capsup = rd32(hw, I40E_GLPCI_CAPSUP);
return capsup & I40E_GLPCI_CAPSUP_TPH_EN_MASK;
}
/**
* i40e_enable_tph
* @hw: pointer to the hw struct
* @tph_control: contents of TPH Requester Control Register
*
* Check to see if TPH can be enabled; if so, enable it.
**/
bool i40e_enable_tph(struct i40e_hw *hw, u32 tph_control)
{
u32 gltph, st_mode, permit;
/* check that TPH is permitted */
permit = (tph_control & I40E_TPH_REQ_ENA_MASK)
>> I40E_TPH_REQ_ENA_SHIFT;
if (!(permit & I40E_TPH_REQ_PERMIT))
return false;
/* check for valid ST mode */
st_mode = tph_control & I40E_TPH_ST_MODE_MASK;
if ((st_mode != I40E_TPH_MODE_NOTABLE) &&
(st_mode != I40E_TPH_MODE_DEVSPEC))
return false;
/* TPH may be enabled */
gltph = rd32(hw, I40E_GLTPH_CTRL);
/* turn off device-specific */
if (st_mode != I40E_TPH_MODE_DEVSPEC)
gltph &= ~I40E_GLTPH_CTRL_TPH_DEVSPEC_MASK;
/* This enables TPH for all queues for the given types of operation.
* Additional enabling is done per-queue in setup of the queue contexts.
*/
gltph |= I40E_GLTPH_CTRL_DESC_PH_MASK; /* descriptor reads/writes */
gltph |= I40E_GLTPH_CTRL_DATA_PH_MASK; /* data reads/writes */
wr32(hw, I40E_GLTPH_CTRL, gltph);
return true;
}
#endif /* I40E_TPH_SUPPORT */
#ifndef VF_DRIVER
/**