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From: Shijith Thotton <shijith.thotton@caviumnetworks.com>
To: ferruh.yigit@intel.com
Cc: dev@dpdk.org, Jerin Jacob <jerin.jacob@caviumnetworks.com>,
Derek Chickles <derek.chickles@caviumnetworks.com>,
Venkat Koppula <venkat.koppula@caviumnetworks.com>,
Srisivasubramanian S <ssrinivasan@caviumnetworks.com>,
Mallesham Jatharakonda <mjatharakonda@oneconvergence.com>
Date: Thu, 2 Mar 2017 17:02:44 +0530
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Subject: [dpdk-dev] [PATCH v2 39/46] net/liquidio: add API to configure UDP
tunnel port
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X-List-Received-Date: Thu, 02 Mar 2017 11:40:01 -0000
Signed-off-by: Shijith Thotton <shijith.thotton@caviumnetworks.com>
Signed-off-by: Jerin Jacob <jerin.jacob@caviumnetworks.com>
Signed-off-by: Derek Chickles <derek.chickles@caviumnetworks.com>
Signed-off-by: Venkat Koppula <venkat.koppula@caviumnetworks.com>
Signed-off-by: Srisivasubramanian S <ssrinivasan@caviumnetworks.com>
Signed-off-by: Mallesham Jatharakonda <mjatharakonda@oneconvergence.com>
---
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