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Message-Id: <1370784435-26055-3-git-send-email-ogerlitz@mellanox.com>
Date: Sun, 9 Jun 2013 16:27:14 +0300
From: Or Gerlitz <ogerlitz@...lanox.com>
To: davem@...emloft.net
Cc: netdev@...r.kernel.org, amirv@...lanox.com, ronye@...lanox.com,
Or Gerlitz <ogerlitz@...lanox.com>
Subject: [PATCH V1 net-next 2/3] net/mlx4: Add VF link state support
From: Rony Efraim <ronye@...lanox.com>
Add support to change the link state of VF (vPort)
Signed-off-by: Rony Efraim <ronye@...lanox.com>
Signed-off-by: Or Gerlitz <ogerlitz@...lanox.com>
---
drivers/net/ethernet/mellanox/mlx4/cmd.c | 48 ++++++++++++++++++++++++
drivers/net/ethernet/mellanox/mlx4/en_netdev.c | 8 ++++
drivers/net/ethernet/mellanox/mlx4/eq.c | 9 +++-
drivers/net/ethernet/mellanox/mlx4/fw.c | 8 ++++
drivers/net/ethernet/mellanox/mlx4/mlx4.h | 1 +
include/linux/mlx4/cmd.h | 2 +-
6 files changed, 73 insertions(+), 3 deletions(-)
diff --git a/drivers/net/ethernet/mellanox/mlx4/cmd.c b/drivers/net/ethernet/mellanox/mlx4/cmd.c
index 0e572a5..ea1e038 100644
--- a/drivers/net/ethernet/mellanox/mlx4/cmd.c
+++ b/drivers/net/ethernet/mellanox/mlx4/cmd.c
@@ -39,6 +39,7 @@
#include <linux/errno.h>
#include <linux/mlx4/cmd.h>
+#include <linux/mlx4/device.h>
#include <linux/semaphore.h>
#include <rdma/ib_smi.h>
@@ -2178,7 +2179,54 @@ int mlx4_get_vf_config(struct mlx4_dev *dev, int port, int vf, struct ifla_vf_in
ivf->qos = s_info->default_qos;
ivf->tx_rate = s_info->tx_rate;
ivf->spoofchk = s_info->spoofchk;
+ ivf->linkstate = s_info->link_state;
return 0;
}
EXPORT_SYMBOL_GPL(mlx4_get_vf_config);
+
+int mlx4_set_vf_link_state(struct mlx4_dev *dev, int port, int vf, int link_state)
+{
+ struct mlx4_priv *priv = mlx4_priv(dev);
+ struct mlx4_vport_state *s_info;
+ struct mlx4_vport_oper_state *vp_oper;
+ int slave;
+ u8 link_stat_event;
+
+ slave = mlx4_get_slave_indx(dev, vf);
+ if (slave < 0)
+ return -EINVAL;
+
+ switch (link_state) {
+ case IFLA_VF_LINK_STATE_AUTO:
+ /* get current link state */
+ if (!priv->sense.do_sense_port[port])
+ link_stat_event = MLX4_PORT_CHANGE_SUBTYPE_ACTIVE;
+ else
+ link_stat_event = MLX4_PORT_CHANGE_SUBTYPE_DOWN;
+ break;
+
+ case IFLA_VF_LINK_STATE_ENABLE:
+ link_stat_event = MLX4_PORT_CHANGE_SUBTYPE_ACTIVE;
+ break;
+
+ case IFLA_VF_LINK_STATE_DISABLE:
+ link_stat_event = MLX4_PORT_CHANGE_SUBTYPE_DOWN;
+ break;
+
+ default:
+ mlx4_warn(dev, "unknown value for link_state %02x on slave %d port %d\n",
+ link_state, slave, port);
+ return -EINVAL;
+ };
+ /* update the admin & oper state on the link state */
+ s_info = &priv->mfunc.master.vf_admin[slave].vport[port];
+ vp_oper = &priv->mfunc.master.vf_oper[slave].vport[port];
+ s_info->link_state = link_state;
+ vp_oper->state.link_state = link_state;
+
+ /* send event */
+ mlx4_gen_port_state_change_eqe(dev, slave, port, link_stat_event);
+ return 0;
+}
+EXPORT_SYMBOL_GPL(mlx4_set_vf_link_state);
diff --git a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c
index 89c47ea..ade276c 100644
--- a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c
+++ b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c
@@ -2061,6 +2061,13 @@ static int mlx4_en_get_vf_config(struct net_device *dev, int vf, struct ifla_vf_
return mlx4_get_vf_config(mdev->dev, en_priv->port, vf, ivf);
}
+static int mlx4_en_set_vf_link_state(struct net_device *dev, int vf, int link_state)
+{
+ struct mlx4_en_priv *en_priv = netdev_priv(dev);
+ struct mlx4_en_dev *mdev = en_priv->mdev;
+
+ return mlx4_set_vf_link_state(mdev->dev, en_priv->port, vf, link_state);
+}
static const struct net_device_ops mlx4_netdev_ops = {
.ndo_open = mlx4_en_open,
.ndo_stop = mlx4_en_close,
@@ -2101,6 +2108,7 @@ static const struct net_device_ops mlx4_netdev_ops_master = {
.ndo_set_vf_mac = mlx4_en_set_vf_mac,
.ndo_set_vf_vlan = mlx4_en_set_vf_vlan,
.ndo_set_vf_spoofchk = mlx4_en_set_vf_spoofchk,
+ .ndo_set_vf_link_state = mlx4_en_set_vf_link_state,
.ndo_get_vf_config = mlx4_en_get_vf_config,
#ifdef CONFIG_NET_POLL_CONTROLLER
.ndo_poll_controller = mlx4_en_netpoll,
diff --git a/drivers/net/ethernet/mellanox/mlx4/eq.c b/drivers/net/ethernet/mellanox/mlx4/eq.c
index 6000342..7e04286 100644
--- a/drivers/net/ethernet/mellanox/mlx4/eq.c
+++ b/drivers/net/ethernet/mellanox/mlx4/eq.c
@@ -448,6 +448,7 @@ static int mlx4_eq_int(struct mlx4_dev *dev, struct mlx4_eq *eq)
int i;
enum slave_port_gen_event gen_event;
unsigned long flags;
+ struct mlx4_vport_state *s_info;
while ((eqe = next_eqe_sw(eq, dev->caps.eqe_factor))) {
/*
@@ -556,7 +557,9 @@ static int mlx4_eq_int(struct mlx4_dev *dev, struct mlx4_eq *eq)
mlx4_dbg(dev, "%s: Sending MLX4_PORT_CHANGE_SUBTYPE_DOWN"
" to slave: %d, port:%d\n",
__func__, i, port);
- mlx4_slave_event(dev, i, eqe);
+ s_info = &priv->mfunc.master.vf_oper[slave].vport[port].state;
+ if (IFLA_VF_LINK_STATE_AUTO == s_info->link_state)
+ mlx4_slave_event(dev, i, eqe);
} else { /* IB port */
set_and_calc_slave_port_state(dev, i, port,
MLX4_PORT_STATE_DEV_EVENT_PORT_DOWN,
@@ -580,7 +583,9 @@ static int mlx4_eq_int(struct mlx4_dev *dev, struct mlx4_eq *eq)
for (i = 0; i < dev->num_slaves; i++) {
if (i == mlx4_master_func_num(dev))
continue;
- mlx4_slave_event(dev, i, eqe);
+ s_info = &priv->mfunc.master.vf_oper[slave].vport[port].state;
+ if (IFLA_VF_LINK_STATE_AUTO == s_info->link_state)
+ mlx4_slave_event(dev, i, eqe);
}
else /* IB port */
/* port-up event will be sent to a slave when the
diff --git a/drivers/net/ethernet/mellanox/mlx4/fw.c b/drivers/net/ethernet/mellanox/mlx4/fw.c
index 2c97901..569bbe3 100644
--- a/drivers/net/ethernet/mellanox/mlx4/fw.c
+++ b/drivers/net/ethernet/mellanox/mlx4/fw.c
@@ -830,8 +830,10 @@ int mlx4_QUERY_PORT_wrapper(struct mlx4_dev *dev, int slave,
u8 port_type;
u16 short_field;
int err;
+ int admin_link_state;
#define MLX4_VF_PORT_NO_LINK_SENSE_MASK 0xE0
+#define MLX4_PORT_LINK_UP_MASK 0x80
#define QUERY_PORT_CUR_MAX_PKEY_OFFSET 0x0c
#define QUERY_PORT_CUR_MAX_GID_OFFSET 0x0e
@@ -861,6 +863,12 @@ int mlx4_QUERY_PORT_wrapper(struct mlx4_dev *dev, int slave,
/* set port type to currently operating port type */
port_type |= (dev->caps.port_type[vhcr->in_modifier] & 0x3);
+ admin_link_state = priv->mfunc.master.vf_oper[slave].vport[vhcr->in_modifier].state.link_state;
+ if (IFLA_VF_LINK_STATE_ENABLE == admin_link_state)
+ port_type |= MLX4_PORT_LINK_UP_MASK;
+ else if (IFLA_VF_LINK_STATE_DISABLE == admin_link_state)
+ port_type &= ~MLX4_PORT_LINK_UP_MASK;
+
MLX4_PUT(outbox->buf, port_type,
QUERY_PORT_SUPPORTED_TYPE_OFFSET);
diff --git a/drivers/net/ethernet/mellanox/mlx4/mlx4.h b/drivers/net/ethernet/mellanox/mlx4/mlx4.h
index df15bb6..7527293 100644
--- a/drivers/net/ethernet/mellanox/mlx4/mlx4.h
+++ b/drivers/net/ethernet/mellanox/mlx4/mlx4.h
@@ -482,6 +482,7 @@ struct mlx4_vport_state {
u8 default_qos;
u32 tx_rate;
bool spoofchk;
+ u32 link_state;
};
struct mlx4_vf_admin_state {
diff --git a/include/linux/mlx4/cmd.h b/include/linux/mlx4/cmd.h
index adf6e06..8074a97 100644
--- a/include/linux/mlx4/cmd.h
+++ b/include/linux/mlx4/cmd.h
@@ -237,7 +237,7 @@ int mlx4_set_vf_mac(struct mlx4_dev *dev, int port, int vf, u64 mac);
int mlx4_set_vf_vlan(struct mlx4_dev *dev, int port, int vf, u16 vlan, u8 qos);
int mlx4_set_vf_spoofchk(struct mlx4_dev *dev, int port, int vf, bool setting);
int mlx4_get_vf_config(struct mlx4_dev *dev, int port, int vf, struct ifla_vf_info *ivf);
-
+int mlx4_set_vf_link_state(struct mlx4_dev *dev, int port, int vf, int link_state);
#define MLX4_COMM_GET_IF_REV(cmd_chan_ver) (u8)((cmd_chan_ver) >> 8)
--
1.7.1
--
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