Add support for storing SYN filter in SW.
Signed-off-by: Wenzhuo Lu <wenzhuo...@intel.com>
Signed-off-by: Wei Zhao <wei.zh...@intel.com>
---
v2:
--synqf assignment location change
---
drivers/net/ixgbe/ixgbe_ethdev.c | 14 +++++++++++---
drivers/net/ixgbe/ixgbe_ethdev.h | 2 ++
2 files changed, 13 insertions(+), 3 deletions(-)
diff --git a/drivers/net/ixgbe/ixgbe_ethdev.c b/drivers/net/ixgbe/ixgbe_ethdev.c
index a25bac8..316e560 100644
--- a/drivers/net/ixgbe/ixgbe_ethdev.c
+++ b/drivers/net/ixgbe/ixgbe_ethdev.c
@@ -1274,6 +1274,8 @@ eth_ixgbe_dev_init(struct rte_eth_dev *eth_dev)
memset(filter_info->fivetuple_mask, 0,
sizeof(uint32_t) * IXGBE_5TUPLE_ARRAY_SIZE);
+ /* initialize SYN filter */
+ filter_info->syn_info = 0;
return 0;
}
@@ -5580,15 +5582,18 @@ ixgbe_syn_filter_set(struct rte_eth_dev *dev,
bool add)
{
struct ixgbe_hw *hw = IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+ struct ixgbe_filter_info *filter_info =
+ IXGBE_DEV_PRIVATE_TO_FILTER_INFO(dev->data->dev_private);
+ uint32_t syn_info;
uint32_t synqf;
if (filter->queue >= IXGBE_MAX_RX_QUEUE_NUM)
return -EINVAL;
- synqf = IXGBE_READ_REG(hw, IXGBE_SYNQF);
+ syn_info = filter_info->syn_info;
if (add) {
- if (synqf & IXGBE_SYN_FILTER_ENABLE)
+ if (syn_info & IXGBE_SYN_FILTER_ENABLE)
return -EINVAL;
synqf = (uint32_t)(((filter->queue <<
IXGBE_SYN_FILTER_QUEUE_SHIFT) &
IXGBE_SYN_FILTER_QUEUE) | IXGBE_SYN_FILTER_ENABLE);
@@ -5598,10 +5603,13 @@ ixgbe_syn_filter_set(struct rte_eth_dev *dev,
else
synqf &= ~IXGBE_SYN_FILTER_SYNQFP;
} else {
- if (!(synqf & IXGBE_SYN_FILTER_ENABLE))
+ synqf = IXGBE_READ_REG(hw, IXGBE_SYNQF);
+ if (!(syn_info & IXGBE_SYN_FILTER_ENABLE))
return -ENOENT;
synqf &= ~(IXGBE_SYN_FILTER_QUEUE | IXGBE_SYN_FILTER_ENABLE);
}
+
+ filter_info->syn_info = synqf;
IXGBE_WRITE_REG(hw, IXGBE_SYNQF, synqf);
IXGBE_WRITE_FLUSH(hw);
return 0;
diff --git a/drivers/net/ixgbe/ixgbe_ethdev.h b/drivers/net/ixgbe/ixgbe_ethdev.h
index 4ff6338..827026c 100644
--- a/drivers/net/ixgbe/ixgbe_ethdev.h
+++ b/drivers/net/ixgbe/ixgbe_ethdev.h
@@ -262,6 +262,8 @@ struct ixgbe_filter_info {
/* Bit mask for every used 5tuple filter */
uint32_t fivetuple_mask[IXGBE_5TUPLE_ARRAY_SIZE];
struct ixgbe_5tuple_filter_list fivetuple_list;
+ /* store the SYN filter info */
+ uint32_t syn_info;
};
/*
--
2.5.5
