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Date: Sat, 9 Apr 2016 09:17:02 -0400
From: Manish Chopra <manish.chopra@...gic.com>
To: <davem@...emloft.net>
CC: <netdev@...r.kernel.org>, <Ariel.Elior@...gic.com>,
<Yuval.Mintz@...gic.com>
Subject: [PATCH net-next 3/6] qed/qede: Add VXLAN tunnel slowpath configuration support
This patch enables VXLAN tunnel on the adapter and
add support for driver hooks to configure UDP ports
for VXLAN tunnel offload to be performed by the adapter.
Signed-off-by: Manish Chopra <manish.chopra@...gic.com>
Signed-off-by: Yuval Mintz <Yuval.Mintz@...gic.com>
Signed-off-by: Ariel Elior <Ariel.Elior@...gic.com>
---
drivers/net/ethernet/qlogic/Kconfig | 11 +++
drivers/net/ethernet/qlogic/qed/qed_main.c | 8 ++-
drivers/net/ethernet/qlogic/qed/qed_sp_commands.c | 3 +-
drivers/net/ethernet/qlogic/qede/qede.h | 5 +-
drivers/net/ethernet/qlogic/qede/qede_main.c | 87 +++++++++++++++++++++++
5 files changed, 111 insertions(+), 3 deletions(-)
diff --git a/drivers/net/ethernet/qlogic/Kconfig b/drivers/net/ethernet/qlogic/Kconfig
index ddcfcab..7a65522 100644
--- a/drivers/net/ethernet/qlogic/Kconfig
+++ b/drivers/net/ethernet/qlogic/Kconfig
@@ -103,4 +103,15 @@ config QEDE
depends on QED
---help---
This enables the support for ...
+
+config QEDE_VXLAN
+ bool "Virtual eXtensible Local Area Network support"
+ default n
+ depends on QEDE && VXLAN && !(QEDE=y && VXLAN=m)
+ ---help---
+ This enables hardware offload support for VXLAN protocol over
+ qede module. Say Y here if you want to enable hardware offload
+ support for Virtual eXtensible Local Area Network (VXLAN)
+ in the driver.
+
endif # NET_VENDOR_QLOGIC
diff --git a/drivers/net/ethernet/qlogic/qed/qed_main.c b/drivers/net/ethernet/qlogic/qed/qed_main.c
index 01c0207..3b406ac 100644
--- a/drivers/net/ethernet/qlogic/qed/qed_main.c
+++ b/drivers/net/ethernet/qlogic/qed/qed_main.c
@@ -744,6 +744,7 @@ static void qed_update_pf_params(struct qed_dev *cdev,
static int qed_slowpath_start(struct qed_dev *cdev,
struct qed_slowpath_params *params)
{
+ struct qed_tunn_start_params tunn_info;
struct qed_mcp_drv_version drv_version;
const u8 *data = NULL;
struct qed_hwfn *hwfn;
@@ -776,7 +777,12 @@ static int qed_slowpath_start(struct qed_dev *cdev,
/* Start the slowpath */
data = cdev->firmware->data;
- rc = qed_hw_init(cdev, NULL, true, cdev->int_params.out.int_mode,
+ memset(&tunn_info, 0, sizeof(tunn_info));
+ tunn_info.tunn_mode |= 1 << QED_MODE_VXLAN_TUNN;
+ tunn_info.tunn_clss_vxlan = QED_TUNN_CLSS_MAC_VLAN;
+
+ rc = qed_hw_init(cdev, &tunn_info, true,
+ cdev->int_params.out.int_mode,
true, data);
if (rc)
goto err2;
diff --git a/drivers/net/ethernet/qlogic/qed/qed_sp_commands.c b/drivers/net/ethernet/qlogic/qed/qed_sp_commands.c
index 306da70..7ccd96e 100644
--- a/drivers/net/ethernet/qlogic/qed/qed_sp_commands.c
+++ b/drivers/net/ethernet/qlogic/qed/qed_sp_commands.c
@@ -353,7 +353,8 @@ int qed_sp_pf_start(struct qed_hwfn *p_hwfn,
DMA_REGPAIR_LE(p_ramrod->consolid_q_pbl_addr,
p_hwfn->p_consq->chain.pbl.p_phys_table);
- qed_tunn_set_pf_start_params(p_hwfn, NULL, NULL);
+ qed_tunn_set_pf_start_params(p_hwfn, p_tunn,
+ &p_ramrod->tunnel_config);
p_hwfn->hw_info.personality = PERSONALITY_ETH;
DP_VERBOSE(p_hwfn, QED_MSG_SPQ,
diff --git a/drivers/net/ethernet/qlogic/qede/qede.h b/drivers/net/ethernet/qlogic/qede/qede.h
index d023251..0b66d4a 100644
--- a/drivers/net/ethernet/qlogic/qede/qede.h
+++ b/drivers/net/ethernet/qlogic/qede/qede.h
@@ -167,6 +167,7 @@ struct qede_dev {
bool accept_any_vlan;
struct delayed_work sp_task;
unsigned long sp_flags;
+ u16 vxlan_dst_port;
};
enum QEDE_STATE {
@@ -287,7 +288,9 @@ struct qede_fastpath {
#define QEDE_CSUM_ERROR BIT(0)
#define QEDE_CSUM_UNNECESSARY BIT(1)
-#define QEDE_SP_RX_MODE 1
+#define QEDE_SP_RX_MODE 1
+#define QEDE_SP_VXLAN_PORT_ADD 2
+#define QEDE_SP_VXLAN_PORT_DELETE 3
union qede_reload_args {
u16 mtu;
diff --git a/drivers/net/ethernet/qlogic/qede/qede_main.c b/drivers/net/ethernet/qlogic/qede/qede_main.c
index 518af32..9a82d42 100644
--- a/drivers/net/ethernet/qlogic/qede/qede_main.c
+++ b/drivers/net/ethernet/qlogic/qede/qede_main.c
@@ -1830,6 +1830,63 @@ static void qede_vlan_mark_nonconfigured(struct qede_dev *edev)
edev->accept_any_vlan = false;
}
+#ifdef CONFIG_QEDE_VXLAN
+static void qede_add_vxlan_port(struct net_device *dev,
+ sa_family_t sa_family, __be16 port)
+{
+ struct qede_dev *edev = netdev_priv(dev);
+ u16 t_port = ntohs(port);
+
+ if (edev->vxlan_dst_port)
+ return;
+
+ edev->vxlan_dst_port = t_port;
+
+ DP_VERBOSE(edev, QED_MSG_DEBUG, "Added vxlan port=%d", t_port);
+
+ set_bit(QEDE_SP_VXLAN_PORT_ADD, &edev->sp_flags);
+ schedule_delayed_work(&edev->sp_task, 0);
+}
+
+static void qede_del_vxlan_port(struct net_device *dev,
+ sa_family_t sa_family, __be16 port)
+{
+ struct qede_dev *edev = netdev_priv(dev);
+ u16 t_port = ntohs(port);
+
+ if (t_port != edev->vxlan_dst_port)
+ return;
+
+ edev->vxlan_dst_port = 0;
+
+ DP_VERBOSE(edev, QED_MSG_DEBUG, "Deleted vxlan port=%d", t_port);
+
+ set_bit(QEDE_SP_VXLAN_PORT_DELETE, &edev->sp_flags);
+ schedule_delayed_work(&edev->sp_task, 0);
+}
+
+static void qede_config_def_udp_tunnel_ports(struct qede_dev *edev)
+{
+ struct qed_tunn_params tunn_params;
+
+ memset(&tunn_params, 0, sizeof(tunn_params));
+
+ if (!edev->vxlan_dst_port) {
+ tunn_params.update_vxlan_port = 1;
+ tunn_params.vxlan_port = VXLAN_DEF_UDP_PORT;
+ }
+
+ qed_ops->tunn_config(edev->cdev, &tunn_params);
+}
+#endif
+
+static netdev_features_t qede_features_check(struct sk_buff *skb,
+ struct net_device *dev,
+ netdev_features_t features)
+{
+ return vxlan_features_check(skb, features);
+}
+
static const struct net_device_ops qede_netdev_ops = {
.ndo_open = qede_open,
.ndo_stop = qede_close,
@@ -1841,6 +1898,11 @@ static const struct net_device_ops qede_netdev_ops = {
.ndo_vlan_rx_add_vid = qede_vlan_rx_add_vid,
.ndo_vlan_rx_kill_vid = qede_vlan_rx_kill_vid,
.ndo_get_stats64 = qede_get_stats64,
+#ifdef CONFIG_QEDE_VXLAN
+ .ndo_add_vxlan_port = qede_add_vxlan_port,
+ .ndo_del_vxlan_port = qede_del_vxlan_port,
+#endif
+ .ndo_features_check = qede_features_check,
};
/* -------------------------------------------------------------------------
@@ -2013,6 +2075,8 @@ static void qede_sp_task(struct work_struct *work)
{
struct qede_dev *edev = container_of(work, struct qede_dev,
sp_task.work);
+ struct qed_dev *cdev = edev->cdev;
+
mutex_lock(&edev->qede_lock);
if (edev->state == QEDE_STATE_OPEN) {
@@ -2020,6 +2084,26 @@ static void qede_sp_task(struct work_struct *work)
qede_config_rx_mode(edev->ndev);
}
+ if (test_and_clear_bit(QEDE_SP_VXLAN_PORT_ADD, &edev->sp_flags)) {
+ struct qed_tunn_params tunn_params;
+
+ memset(&tunn_params, 0, sizeof(tunn_params));
+ tunn_params.update_vxlan_port = 1;
+ tunn_params.vxlan_port = edev->vxlan_dst_port;
+ qed_ops->tunn_config(cdev, &tunn_params);
+ }
+
+ if (test_and_clear_bit(QEDE_SP_VXLAN_PORT_DELETE, &edev->sp_flags)) {
+ struct qed_tunn_params tunn_params;
+
+ memset(&tunn_params, 0, sizeof(tunn_params));
+ tunn_params.update_vxlan_port = 1;
+
+ /* Update with default vxlan udp port */
+ tunn_params.vxlan_port = VXLAN_DEF_UDP_PORT;
+ qed_ops->tunn_config(cdev, &tunn_params);
+ }
+
mutex_unlock(&edev->qede_lock);
}
@@ -3083,6 +3167,9 @@ static int qede_load(struct qede_dev *edev, enum qede_load_mode mode)
edev->ops->common->get_link(edev->cdev, &link_output);
qede_link_update(edev, &link_output);
+#ifdef CONFIG_QEDE_VXLAN
+ qede_config_def_udp_tunnel_ports(edev);
+#endif
DP_INFO(edev, "Ending successfully qede load\n");
return 0;
--
2.7.2
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