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From: Wei Zhao <wei.zhao1@intel.com>
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Wei Zhao <wei.zhao1@intel.com>
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Subject: [dpdk-dev] [PATCH v5 01/18] net/ixgbe: store TCP SYN filter
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Add support for storing TCP SYN filter in SW.
Signed-off-by: Wenzhuo Lu <wenzhuo.lu@intel.com>
Signed-off-by: Wei Zhao <wei.zhao1@intel.com>
---
drivers/net/ixgbe/ixgbe_ethdev.c | 18 +++++++++++++-----
drivers/net/ixgbe/ixgbe_ethdev.h | 2 ++
2 files changed, 15 insertions(+), 5 deletions(-)
diff --git a/drivers/net/ixgbe/ixgbe_ethdev.c b/drivers/net/ixgbe/ixgbe_ethdev.c
index b7ddd4f..719eddd 100644
--- a/drivers/net/ixgbe/ixgbe_ethdev.c
+++ b/drivers/net/ixgbe/ixgbe_ethdev.c
@@ -1272,10 +1272,12 @@ eth_ixgbe_dev_init(struct rte_eth_dev *eth_dev)
/* enable support intr */
ixgbe_enable_intr(eth_dev);
+ /* initialize filter info */
+ memset(filter_info, 0,
+ sizeof(struct ixgbe_filter_info));
+
/* initialize 5tuple filter list */
TAILQ_INIT(&filter_info->fivetuple_list);
- memset(filter_info->fivetuple_mask, 0,
- sizeof(uint32_t) * IXGBE_5TUPLE_ARRAY_SIZE);
return 0;
}
@@ -5603,15 +5605,18 @@ 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);
@@ -5621,10 +5626,13 @@ 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 69b276f..90a89ec 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