From d15c7568e25d8c2b16ea78f641e276de3ed8bce5 Mon Sep 17 00:00:00 2001 From: Jiawen Wu Date: Fri, 18 Dec 2020 17:36:51 +0800 Subject: [PATCH] net/txgbe: support UDP tunnel port add and delete Support UDP tunnel port add and delete operations. Signed-off-by: Jiawen Wu --- drivers/net/txgbe/txgbe_ethdev.c | 105 +++++++++++++++++++++++++++++++ 1 file changed, 105 insertions(+) diff --git a/drivers/net/txgbe/txgbe_ethdev.c b/drivers/net/txgbe/txgbe_ethdev.c index dfab653a5e..73498935ca 100644 --- a/drivers/net/txgbe/txgbe_ethdev.c +++ b/drivers/net/txgbe/txgbe_ethdev.c @@ -4853,6 +4853,109 @@ txgbe_e_tag_forwarding_en_dis(struct rte_eth_dev *dev, bool en) return ret; } +/* Add UDP tunneling port */ +static int +txgbe_dev_udp_tunnel_port_add(struct rte_eth_dev *dev, + struct rte_eth_udp_tunnel *udp_tunnel) +{ + struct txgbe_hw *hw = TXGBE_DEV_HW(dev); + int ret = 0; + + if (udp_tunnel == NULL) + return -EINVAL; + + switch (udp_tunnel->prot_type) { + case RTE_TUNNEL_TYPE_VXLAN: + if (udp_tunnel->udp_port == 0) { + PMD_DRV_LOG(ERR, "Add VxLAN port 0 is not allowed."); + ret = -EINVAL; + break; + } + wr32(hw, TXGBE_VXLANPORT, udp_tunnel->udp_port); + wr32(hw, TXGBE_VXLANPORTGPE, udp_tunnel->udp_port); + break; + case RTE_TUNNEL_TYPE_GENEVE: + if (udp_tunnel->udp_port == 0) { + PMD_DRV_LOG(ERR, "Add Geneve port 0 is not allowed."); + ret = -EINVAL; + break; + } + wr32(hw, TXGBE_GENEVEPORT, udp_tunnel->udp_port); + break; + case RTE_TUNNEL_TYPE_TEREDO: + if (udp_tunnel->udp_port == 0) { + PMD_DRV_LOG(ERR, "Add Teredo port 0 is not allowed."); + ret = -EINVAL; + break; + } + wr32(hw, TXGBE_TEREDOPORT, udp_tunnel->udp_port); + break; + default: + PMD_DRV_LOG(ERR, "Invalid tunnel type"); + ret = -EINVAL; + break; + } + + txgbe_flush(hw); + + return ret; +} + +/* Remove UDP tunneling port */ +static int +txgbe_dev_udp_tunnel_port_del(struct rte_eth_dev *dev, + struct rte_eth_udp_tunnel *udp_tunnel) +{ + struct txgbe_hw *hw = TXGBE_DEV_HW(dev); + int ret = 0; + uint16_t cur_port; + + if (udp_tunnel == NULL) + return -EINVAL; + + switch (udp_tunnel->prot_type) { + case RTE_TUNNEL_TYPE_VXLAN: + cur_port = (uint16_t)rd32(hw, TXGBE_VXLANPORT); + if (cur_port != udp_tunnel->udp_port) { + PMD_DRV_LOG(ERR, "Port %u does not exist.", + udp_tunnel->udp_port); + ret = -EINVAL; + break; + } + wr32(hw, TXGBE_VXLANPORT, 0); + wr32(hw, TXGBE_VXLANPORTGPE, 0); + break; + case RTE_TUNNEL_TYPE_GENEVE: + cur_port = (uint16_t)rd32(hw, TXGBE_GENEVEPORT); + if (cur_port != udp_tunnel->udp_port) { + PMD_DRV_LOG(ERR, "Port %u does not exist.", + udp_tunnel->udp_port); + ret = -EINVAL; + break; + } + wr32(hw, TXGBE_GENEVEPORT, 0); + break; + case RTE_TUNNEL_TYPE_TEREDO: + cur_port = (uint16_t)rd32(hw, TXGBE_TEREDOPORT); + if (cur_port != udp_tunnel->udp_port) { + PMD_DRV_LOG(ERR, "Port %u does not exist.", + udp_tunnel->udp_port); + ret = -EINVAL; + break; + } + wr32(hw, TXGBE_TEREDOPORT, 0); + break; + default: + PMD_DRV_LOG(ERR, "Invalid tunnel type"); + ret = -EINVAL; + break; + } + + txgbe_flush(hw); + + return ret; +} + /* restore n-tuple filter */ static inline void txgbe_ntuple_filter_restore(struct rte_eth_dev *dev) @@ -5094,6 +5197,8 @@ static const struct eth_dev_ops txgbe_eth_dev_ops = { .timesync_adjust_time = txgbe_timesync_adjust_time, .timesync_read_time = txgbe_timesync_read_time, .timesync_write_time = txgbe_timesync_write_time, + .udp_tunnel_port_add = txgbe_dev_udp_tunnel_port_add, + .udp_tunnel_port_del = txgbe_dev_udp_tunnel_port_del, .tx_done_cleanup = txgbe_dev_tx_done_cleanup, }; -- 2.20.1