[dpdk-dev] [PATCH v2 10/37] net/txgbe: config L2 tunnel filter with e-tag
Jiawen Wu
jiawenwu at trustnetic.com
Wed Nov 11 07:49:09 CET 2020
Config L2 tunnel filter with e-tag.
Signed-off-by: Jiawen Wu <jiawenwu at trustnetic.com>
---
drivers/net/txgbe/txgbe_ethdev.c | 63 ++++++++++++++++++++++++++++++++
1 file changed, 63 insertions(+)
diff --git a/drivers/net/txgbe/txgbe_ethdev.c b/drivers/net/txgbe/txgbe_ethdev.c
index 3418841b6..21369d40f 100644
--- a/drivers/net/txgbe/txgbe_ethdev.c
+++ b/drivers/net/txgbe/txgbe_ethdev.c
@@ -112,6 +112,7 @@ static void txgbe_dev_interrupt_delayed_handler(void *param);
static void txgbe_configure_msix(struct rte_eth_dev *dev);
static int txgbe_filter_restore(struct rte_eth_dev *dev);
+static void txgbe_l2_tunnel_conf(struct rte_eth_dev *dev);
#define TXGBE_SET_HWSTRIP(h, q) do {\
uint32_t idx = (q) / (sizeof((h)->bitmap[0]) * NBBY); \
@@ -1675,6 +1676,7 @@ txgbe_dev_start(struct rte_eth_dev *dev)
/* resume enabled intr since hw reset */
txgbe_enable_intr(dev);
+ txgbe_l2_tunnel_conf(dev);
txgbe_filter_restore(dev);
/*
@@ -4494,6 +4496,52 @@ txgbe_dev_get_dcb_info(struct rte_eth_dev *dev,
return 0;
}
+/* Update e-tag ether type */
+static int
+txgbe_update_e_tag_eth_type(struct txgbe_hw *hw,
+ uint16_t ether_type)
+{
+ uint32_t etag_etype;
+
+ etag_etype = rd32(hw, TXGBE_EXTAG);
+ etag_etype &= ~TXGBE_EXTAG_ETAG_MASK;
+ etag_etype |= ether_type;
+ wr32(hw, TXGBE_EXTAG, etag_etype);
+ txgbe_flush(hw);
+
+ return 0;
+}
+
+/* Enable e-tag tunnel */
+static int
+txgbe_e_tag_enable(struct txgbe_hw *hw)
+{
+ uint32_t etag_etype;
+
+ etag_etype = rd32(hw, TXGBE_PORTCTL);
+ etag_etype |= TXGBE_PORTCTL_ETAG;
+ wr32(hw, TXGBE_PORTCTL, etag_etype);
+ txgbe_flush(hw);
+
+ return 0;
+}
+
+static int
+txgbe_e_tag_forwarding_en_dis(struct rte_eth_dev *dev, bool en)
+{
+ int ret = 0;
+ uint32_t ctrl;
+ struct txgbe_hw *hw = TXGBE_DEV_HW(dev);
+
+ ctrl = rd32(hw, TXGBE_POOLCTL);
+ ctrl &= ~TXGBE_POOLCTL_MODE_MASK;
+ if (en)
+ ctrl |= TXGBE_PSRPOOL_MODE_ETAG;
+ wr32(hw, TXGBE_POOLCTL, ctrl);
+
+ return ret;
+}
+
/* restore n-tuple filter */
static inline void
txgbe_ntuple_filter_restore(struct rte_eth_dev *dev)
@@ -4551,6 +4599,21 @@ txgbe_filter_restore(struct rte_eth_dev *dev)
return 0;
}
+static void
+txgbe_l2_tunnel_conf(struct rte_eth_dev *dev)
+{
+ struct txgbe_l2_tn_info *l2_tn_info = TXGBE_DEV_L2_TN(dev);
+ struct txgbe_hw *hw = TXGBE_DEV_HW(dev);
+
+ if (l2_tn_info->e_tag_en)
+ (void)txgbe_e_tag_enable(hw);
+
+ if (l2_tn_info->e_tag_fwd_en)
+ (void)txgbe_e_tag_forwarding_en_dis(dev, 1);
+
+ (void)txgbe_update_e_tag_eth_type(hw, l2_tn_info->e_tag_ether_type);
+}
+
/* remove all the n-tuple filters */
void
txgbe_clear_all_ntuple_filter(struct rte_eth_dev *dev)
--
2.18.4
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