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i40e/i40evf: Add ATR HW eviction support for X722

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X722 supports evicting ATR filters in the HW. With this patch, we enable
the feature in the driver and avoid filter deletion by the driver.

Signed-off-by: Anjali Singhai Jain <anjali.singhai@intel.com>
Signed-off-by: Catherine Sullivan <catherine.sullivan@intel.com>
Tested-by: Jim Young <james.m.young@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
This commit is contained in:
Anjali Singhai Jain 2015-06-05 12:20:33 -04:00 committed by Jeff Kirsher
parent 0d8e14392f
commit 52eb95ef32
2 changed files with 14 additions and 0 deletions
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10
drivers/net/ethernet/intel/i40e/i40e_txrx.c
View File

@ -2040,6 +2040,13 @@ static void i40e_atr(struct i40e_ring *tx_ring, struct sk_buff *skb,
/* Due to lack of space, no more new filters can be programmed */
if (th->syn && (pf->auto_disable_flags & I40E_FLAG_FD_ATR_ENABLED))
return;
if (pf->flags & I40E_FLAG_HW_ATR_EVICT_CAPABLE) {
/* HW ATR eviction will take care of removing filters on FIN
* and RST packets.
*/
if (th->fin || th->rst)
return;
}
tx_ring->atr_count++;
@ -2095,6 +2102,9 @@ static void i40e_atr(struct i40e_ring *tx_ring, struct sk_buff *skb,
I40E_TXD_FLTR_QW1_CNTINDEX_SHIFT) &
I40E_TXD_FLTR_QW1_CNTINDEX_MASK;
if (pf->flags & I40E_FLAG_HW_ATR_EVICT_CAPABLE)
dtype_cmd |= I40E_TXD_FLTR_QW1_ATR_MASK;
fdir_desc->qindex_flex_ptype_vsi = cpu_to_le32(flex_ptype);
fdir_desc->rsvd = cpu_to_le32(0);
fdir_desc->dtype_cmd_cntindex = cpu_to_le32(dtype_cmd);

4
drivers/net/ethernet/intel/i40e/i40e_type.h
View File

@ -1049,6 +1049,10 @@ enum i40e_filter_program_desc_pcmd {
#define I40E_TXD_FLTR_QW1_FD_STATUS_MASK (0x3ULL << \
I40E_TXD_FLTR_QW1_FD_STATUS_SHIFT)
#define I40E_TXD_FLTR_QW1_ATR_SHIFT (0xEULL + \
I40E_TXD_FLTR_QW1_CMD_SHIFT)
#define I40E_TXD_FLTR_QW1_ATR_MASK BIT_ULL(I40E_TXD_FLTR_QW1_ATR_SHIFT)
#define I40E_TXD_FLTR_QW1_CNTINDEX_SHIFT 20
#define I40E_TXD_FLTR_QW1_CNTINDEX_MASK (0x1FFUL << \
I40E_TXD_FLTR_QW1_CNTINDEX_SHIFT)