From mboxrd@z Thu Jan 1 00:00:00 1970 From: Shijith Thotton Subject: [PATCH v2 39/46] net/liquidio: add API to configure UDP tunnel port Date: Thu, 2 Mar 2017 17:02:44 +0530 Message-ID: <1488454371-3342-40-git-send-email-shijith.thotton@caviumnetworks.com> References: <1487669225-30091-1-git-send-email-shijith.thotton@caviumnetworks.com> <1488454371-3342-1-git-send-email-shijith.thotton@caviumnetworks.com> Mime-Version: 1.0 Content-Type: text/plain Cc: dev@dpdk.org, Jerin Jacob , Derek Chickles , Venkat Koppula , Srisivasubramanian S , Mallesham Jatharakonda To: ferruh.yigit@intel.com Return-path: Received: from NAM03-CO1-obe.outbound.protection.outlook.com (mail-co1nam03on0042.outbound.protection.outlook.com [104.47.40.42]) by dpdk.org (Postfix) with ESMTP id 3F494BD2C for ; Thu, 2 Mar 2017 12:40:00 +0100 (CET) In-Reply-To: <1488454371-3342-1-git-send-email-shijith.thotton@caviumnetworks.com> List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" Signed-off-by: Shijith Thotton Signed-off-by: Jerin Jacob Signed-off-by: Derek Chickles Signed-off-by: Venkat Koppula Signed-off-by: Srisivasubramanian S Signed-off-by: Mallesham Jatharakonda --- drivers/net/liquidio/base/lio_hw_defs.h | 8 ++ drivers/net/liquidio/lio_ethdev.c | 191 +++++++++++++++++++++++++++++++- drivers/net/liquidio/lio_rxtx.c | 4 +- drivers/net/liquidio/lio_rxtx.h | 1 + 4 files changed, 202 insertions(+), 2 deletions(-) diff --git a/drivers/net/liquidio/base/lio_hw_defs.h b/drivers/net/liquidio/base/lio_hw_defs.h index 781e929..cc189ad 100644 --- a/drivers/net/liquidio/base/lio_hw_defs.h +++ b/drivers/net/liquidio/base/lio_hw_defs.h @@ -133,6 +133,14 @@ enum octeon_tag_type { #define LIO_CMD_CHANGE_DEVFLAGS 0x3 #define LIO_CMD_RX_CTL 0x4 #define LIO_CMD_SET_RSS 0xD +#define LIO_CMD_TNL_RX_CSUM_CTL 0x10 +#define LIO_CMD_TNL_TX_CSUM_CTL 0x11 +#define LIO_CMD_VXLAN_PORT_CONFIG 0x19 + +#define LIO_CMD_VXLAN_PORT_ADD 0x0 +#define LIO_CMD_VXLAN_PORT_DEL 0x1 +#define LIO_CMD_RXCSUM_ENABLE 0x0 +#define LIO_CMD_TXCSUM_ENABLE 0x0 /* RX(packets coming from wire) Checksum verification flags */ /* TCP/UDP csum */ diff --git a/drivers/net/liquidio/lio_ethdev.c b/drivers/net/liquidio/lio_ethdev.c index 27727e8..eb8e921 100644 --- a/drivers/net/liquidio/lio_ethdev.c +++ b/drivers/net/liquidio/lio_ethdev.c @@ -136,7 +136,8 @@ DEV_RX_OFFLOAD_TCP_CKSUM); devinfo->tx_offload_capa = (DEV_TX_OFFLOAD_IPV4_CKSUM | DEV_TX_OFFLOAD_UDP_CKSUM | - DEV_TX_OFFLOAD_TCP_CKSUM); + DEV_TX_OFFLOAD_TCP_CKSUM | + DEV_TX_OFFLOAD_OUTER_IPV4_CKSUM); devinfo->rx_desc_lim = lio_rx_desc_lim; devinfo->tx_desc_lim = lio_tx_desc_lim; @@ -440,6 +441,120 @@ } /** + * Add vxlan dest udp port for an interface. + * + * @param eth_dev + * Pointer to the structure rte_eth_dev + * @param udp_tnl + * udp tunnel conf + * + * @return + * On success return 0 + * On failure return -1 + */ +static int +lio_dev_udp_tunnel_add(struct rte_eth_dev *eth_dev, + struct rte_eth_udp_tunnel *udp_tnl) +{ + struct lio_device *lio_dev = LIO_DEV(eth_dev); + struct lio_dev_ctrl_cmd ctrl_cmd; + struct lio_ctrl_pkt ctrl_pkt; + + if (udp_tnl == NULL) + return -EINVAL; + + if (udp_tnl->prot_type != RTE_TUNNEL_TYPE_VXLAN) { + lio_dev_err(lio_dev, "Unsupported tunnel type\n"); + return -1; + } + + /* flush added to prevent cmd failure + * incase the queue is full + */ + lio_flush_iq(lio_dev, lio_dev->instr_queue[0]); + + memset(&ctrl_pkt, 0, sizeof(struct lio_ctrl_pkt)); + memset(&ctrl_cmd, 0, sizeof(struct lio_dev_ctrl_cmd)); + + ctrl_cmd.eth_dev = eth_dev; + ctrl_cmd.cond = 0; + + ctrl_pkt.ncmd.s.cmd = LIO_CMD_VXLAN_PORT_CONFIG; + ctrl_pkt.ncmd.s.param1 = udp_tnl->udp_port; + ctrl_pkt.ncmd.s.more = LIO_CMD_VXLAN_PORT_ADD; + ctrl_pkt.ctrl_cmd = &ctrl_cmd; + + if (lio_send_ctrl_pkt(lio_dev, &ctrl_pkt)) { + lio_dev_err(lio_dev, "Failed to send VXLAN_PORT_ADD command\n"); + return -1; + } + + if (lio_wait_for_ctrl_cmd(lio_dev, &ctrl_cmd)) { + lio_dev_err(lio_dev, "VXLAN_PORT_ADD command timed out\n"); + return -1; + } + + return 0; +} + +/** + * Remove vxlan dest udp port for an interface. + * + * @param eth_dev + * Pointer to the structure rte_eth_dev + * @param udp_tnl + * udp tunnel conf + * + * @return + * On success return 0 + * On failure return -1 + */ +static int +lio_dev_udp_tunnel_del(struct rte_eth_dev *eth_dev, + struct rte_eth_udp_tunnel *udp_tnl) +{ + struct lio_device *lio_dev = LIO_DEV(eth_dev); + struct lio_dev_ctrl_cmd ctrl_cmd; + struct lio_ctrl_pkt ctrl_pkt; + + if (udp_tnl == NULL) + return -EINVAL; + + if (udp_tnl->prot_type != RTE_TUNNEL_TYPE_VXLAN) { + lio_dev_err(lio_dev, "Unsupported tunnel type\n"); + return -1; + } + + /* flush added to prevent cmd failure + * incase the queue is full + */ + lio_flush_iq(lio_dev, lio_dev->instr_queue[0]); + + memset(&ctrl_pkt, 0, sizeof(struct lio_ctrl_pkt)); + memset(&ctrl_cmd, 0, sizeof(struct lio_dev_ctrl_cmd)); + + ctrl_cmd.eth_dev = eth_dev; + ctrl_cmd.cond = 0; + + ctrl_pkt.ncmd.s.cmd = LIO_CMD_VXLAN_PORT_CONFIG; + ctrl_pkt.ncmd.s.param1 = udp_tnl->udp_port; + ctrl_pkt.ncmd.s.more = LIO_CMD_VXLAN_PORT_DEL; + ctrl_pkt.ctrl_cmd = &ctrl_cmd; + + if (lio_send_ctrl_pkt(lio_dev, &ctrl_pkt)) { + lio_dev_err(lio_dev, "Failed to send VXLAN_PORT_DEL command\n"); + return -1; + } + + if (lio_wait_for_ctrl_cmd(lio_dev, &ctrl_cmd)) { + lio_dev_err(lio_dev, "VXLAN_PORT_DEL command timed out\n"); + return -1; + } + + return 0; +} + +/** * Atomically writes the link status information into global * structure rte_eth_dev. * @@ -1027,6 +1142,74 @@ return 0; } +/** + * Enable tunnel rx checksum verification from firmware. + */ +static void +lio_enable_hw_tunnel_rx_checksum(struct rte_eth_dev *eth_dev) +{ + struct lio_device *lio_dev = LIO_DEV(eth_dev); + struct lio_dev_ctrl_cmd ctrl_cmd; + struct lio_ctrl_pkt ctrl_pkt; + + /* flush added to prevent cmd failure + * incase the queue is full + */ + lio_flush_iq(lio_dev, lio_dev->instr_queue[0]); + + memset(&ctrl_pkt, 0, sizeof(struct lio_ctrl_pkt)); + memset(&ctrl_cmd, 0, sizeof(struct lio_dev_ctrl_cmd)); + + ctrl_cmd.eth_dev = eth_dev; + ctrl_cmd.cond = 0; + + ctrl_pkt.ncmd.s.cmd = LIO_CMD_TNL_RX_CSUM_CTL; + ctrl_pkt.ncmd.s.param1 = LIO_CMD_RXCSUM_ENABLE; + ctrl_pkt.ctrl_cmd = &ctrl_cmd; + + if (lio_send_ctrl_pkt(lio_dev, &ctrl_pkt)) { + lio_dev_err(lio_dev, "Failed to send TNL_RX_CSUM command\n"); + return; + } + + if (lio_wait_for_ctrl_cmd(lio_dev, &ctrl_cmd)) + lio_dev_err(lio_dev, "TNL_RX_CSUM command timed out\n"); +} + +/** + * Enable checksum calculation for inner packet in a tunnel. + */ +static void +lio_enable_hw_tunnel_tx_checksum(struct rte_eth_dev *eth_dev) +{ + struct lio_device *lio_dev = LIO_DEV(eth_dev); + struct lio_dev_ctrl_cmd ctrl_cmd; + struct lio_ctrl_pkt ctrl_pkt; + + /* flush added to prevent cmd failure + * incase the queue is full + */ + lio_flush_iq(lio_dev, lio_dev->instr_queue[0]); + + memset(&ctrl_pkt, 0, sizeof(struct lio_ctrl_pkt)); + memset(&ctrl_cmd, 0, sizeof(struct lio_dev_ctrl_cmd)); + + ctrl_cmd.eth_dev = eth_dev; + ctrl_cmd.cond = 0; + + ctrl_pkt.ncmd.s.cmd = LIO_CMD_TNL_TX_CSUM_CTL; + ctrl_pkt.ncmd.s.param1 = LIO_CMD_TXCSUM_ENABLE; + ctrl_pkt.ctrl_cmd = &ctrl_cmd; + + if (lio_send_ctrl_pkt(lio_dev, &ctrl_pkt)) { + lio_dev_err(lio_dev, "Failed to send TNL_TX_CSUM command\n"); + return; + } + + if (lio_wait_for_ctrl_cmd(lio_dev, &ctrl_cmd)) + lio_dev_err(lio_dev, "TNL_TX_CSUM command timed out\n"); +} + static int lio_dev_configure(struct rte_eth_dev *eth_dev) { struct lio_device *lio_dev = LIO_DEV(eth_dev); @@ -1155,6 +1338,10 @@ static int lio_dev_configure(struct rte_eth_dev *eth_dev) /* Copy the permanent MAC address */ ether_addr_copy((struct ether_addr *)mac, ð_dev->data->mac_addrs[0]); + /* enable firmware checksum support for tunnel packets */ + lio_enable_hw_tunnel_rx_checksum(eth_dev); + lio_enable_hw_tunnel_tx_checksum(eth_dev); + lio_dev->glist_lock = rte_zmalloc(NULL, sizeof(*lio_dev->glist_lock) * num_iqueues, 0); if (lio_dev->glist_lock == NULL) @@ -1213,6 +1400,8 @@ static int lio_dev_configure(struct rte_eth_dev *eth_dev) .reta_query = lio_dev_rss_reta_query, .rss_hash_conf_get = lio_dev_rss_hash_conf_get, .rss_hash_update = lio_dev_rss_hash_update, + .udp_tunnel_port_add = lio_dev_udp_tunnel_add, + .udp_tunnel_port_del = lio_dev_udp_tunnel_del, }; static void diff --git a/drivers/net/liquidio/lio_rxtx.c b/drivers/net/liquidio/lio_rxtx.c index c12960c..f105457 100644 --- a/drivers/net/liquidio/lio_rxtx.c +++ b/drivers/net/liquidio/lio_rxtx.c @@ -1704,7 +1704,9 @@ struct lio_soft_command * if (m->ol_flags & PKT_TX_IP_CKSUM) cmdsetup.s.ip_csum = 1; - if ((m->ol_flags & PKT_TX_TCP_CKSUM) || + if (m->ol_flags & PKT_TX_OUTER_IP_CKSUM) + cmdsetup.s.tnl_csum = 1; + else if ((m->ol_flags & PKT_TX_TCP_CKSUM) || (m->ol_flags & PKT_TX_UDP_CKSUM)) cmdsetup.s.transport_csum = 1; diff --git a/drivers/net/liquidio/lio_rxtx.h b/drivers/net/liquidio/lio_rxtx.h index 95d0007..6835430 100644 --- a/drivers/net/liquidio/lio_rxtx.h +++ b/drivers/net/liquidio/lio_rxtx.h @@ -583,6 +583,7 @@ struct octeon_instr_rdp { packet_params.pkt_params32 = 0; packet_params.s.ip_csum = setup->s.ip_csum; packet_params.s.transport_csum = setup->s.transport_csum; + packet_params.s.tnl_csum = setup->s.tnl_csum; packet_params.s.tsflag = setup->s.timestamp; irh->ossp = packet_params.pkt_params32; -- 1.8.3.1