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- Implement wake-on-lan support in mlxen.

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This commit is contained in:
Jeff Roberson 2011-03-26 00:54:01 +00:00
parent 83baf4bacc
commit cafd78fc6e
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=220016
7 changed files with 72 additions and 4 deletions
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1
sys/ofed/drivers/net/mlx4/en_ethtool.c
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@ -494,6 +494,7 @@ const struct ethtool_ops mlx4_en_ethtool_ops = {
.get_ethtool_stats = mlx4_en_get_ethtool_stats,
.self_test = mlx4_en_self_test,
.get_wol = mlx4_en_get_wol,
.set_wol = mlx4_en_set_wol,
.get_msglevel = mlx4_en_get_msglevel,
.set_msglevel = mlx4_en_set_msglevel,
.get_coalesce = mlx4_en_get_coalesce,

41
sys/ofed/drivers/net/mlx4/en_netdev.c
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@ -532,6 +532,7 @@ int mlx4_en_start_port(struct net_device *dev)
struct mlx4_en_dev *mdev = priv->mdev;
struct mlx4_en_cq *cq;
struct mlx4_en_tx_ring *tx_ring;
u64 config;
int rx_index = 0;
int tx_index = 0;
int err = 0;
@ -662,6 +663,25 @@ int mlx4_en_start_port(struct net_device *dev)
else
priv->rx_csum = 0;
err = mlx4_wol_read(priv->mdev->dev, &config, priv->port);
if (err) {
en_err(priv, "Failed to get WoL info, unable to modify\n");
goto wol_err;
}
if (dev->if_capenable & IFCAP_WOL_MAGIC) {
config |= MLX4_EN_WOL_DO_MODIFY | MLX4_EN_WOL_ENABLED |
MLX4_EN_WOL_MAGIC;
} else {
config &= ~(MLX4_EN_WOL_ENABLED | MLX4_EN_WOL_MAGIC);
config |= MLX4_EN_WOL_DO_MODIFY;
}
err = mlx4_wol_write(priv->mdev->dev, config, priv->port);
if (err) {
en_err(priv, "Failed to set WoL information\n");
goto wol_err;
}
priv->port_up = true;
/* Populate multicast list */
@ -676,6 +696,10 @@ int mlx4_en_start_port(struct net_device *dev)
return 0;
wol_err:
/* close port*/
mlx4_CLOSE_PORT(mdev->dev, priv->port);
mac_err:
mlx4_unregister_mac(mdev->dev, priv->port, priv->mac_index);
tx_err:
@ -1095,6 +1119,8 @@ static int mlx4_en_ioctl(struct ifnet *dev, u_long command, caddr_t data)
dev->if_capenable ^= IFCAP_VLAN_HWTAGGING;
if (mask & IFCAP_VLAN_HWFILTER)
dev->if_capenable ^= IFCAP_VLAN_HWFILTER;
if (mask & IFCAP_WOL_MAGIC)
dev->if_capenable ^= IFCAP_WOL_MAGIC;
if (dev->if_drv_flags & IFF_DRV_RUNNING)
mlx4_en_init(priv);
VLAN_CAPABILITIES(dev);
@ -1534,14 +1560,23 @@ int mlx4_en_init_netdev(struct mlx4_en_dev *mdev, int port,
dev->if_capabilities |= IFCAP_VLAN_MTU | IFCAP_VLAN_HWTAGGING;
dev->if_capabilities |= IFCAP_VLAN_HWCSUM | IFCAP_VLAN_HWFILTER;
dev->if_capabilities |= IFCAP_LINKSTATE | IFCAP_JUMBO_MTU;
#if 0 /* Not yet */
dev->if_capabilities |= IFCAP_WOL;
#endif
if (mdev->LSO_support)
dev->if_capabilities |= IFCAP_TSO | IFCAP_VLAN_HWTSO;
if (mdev->profile.num_lro)
dev->if_capabilities |= IFCAP_LRO;
dev->if_capenable = dev->if_capabilities;
/*
* Setup wake-on-lan.
*/
if (priv->mdev->dev->caps.wol) {
u64 config;
if (mlx4_wol_read(priv->mdev->dev, &config, priv->port) == 0) {
if (config & MLX4_EN_WOL_MAGIC)
dev->if_capabilities |= IFCAP_WOL_MAGIC;
if (config & MLX4_EN_WOL_ENABLED)
dev->if_capenable |= IFCAP_WOL_MAGIC;
}
}
/* Register for VLAN events */
priv->vlan_attach = EVENTHANDLER_REGISTER(vlan_config,

20
sys/ofed/drivers/net/mlx4/fw.c
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@ -289,6 +289,7 @@ int mlx4_QUERY_DEV_CAP(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap)
dev_cap->udp_rss = field & 0x1;
MLX4_GET(field, outbox, QUERY_DEV_CAP_ETH_UC_LOOPBACK_OFFSET);
dev_cap->loopback_support = field & 0x1;
dev_cap->wol = field & 0x40;
MLX4_GET(tmp1, outbox, QUERY_DEV_CAP_EXT_FLAGS_OFFSET);
MLX4_GET(tmp2, outbox, QUERY_DEV_CAP_FLAGS_OFFSET);
dev_cap->flags = tmp2 | (u64)tmp1 << 32;
@ -969,6 +970,25 @@ int mlx4_NOP(struct mlx4_dev *dev)
return mlx4_cmd(dev, 0, 0x1f, 0, MLX4_CMD_NOP, 100);
}
#define MLX4_WOL_SETUP_MODE (5 << 28)
int mlx4_wol_read(struct mlx4_dev *dev, u64 *config, int port)
{
u32 in_mod = MLX4_WOL_SETUP_MODE | port << 8;
return mlx4_cmd_imm(dev, 0, config, in_mod, 0x3,
MLX4_CMD_MOD_STAT_CFG, MLX4_CMD_TIME_CLASS_A);
}
EXPORT_SYMBOL_GPL(mlx4_wol_read);
int mlx4_wol_write(struct mlx4_dev *dev, u64 config, int port)
{
u32 in_mod = MLX4_WOL_SETUP_MODE | port << 8;
return mlx4_cmd(dev, config, in_mod, 0x1, MLX4_CMD_MOD_STAT_CFG,
MLX4_CMD_TIME_CLASS_A);
}
EXPORT_SYMBOL_GPL(mlx4_wol_write);
int mlx4_query_diag_counters(struct mlx4_dev *dev, int array_length,
u8 op_modifier, u32 in_offset[], u32 counter_out[])
{

1
sys/ofed/drivers/net/mlx4/fw.h
View File

@ -80,6 +80,7 @@ struct mlx4_dev_cap {
u16 stat_rate_support;
int udp_rss;
int loopback_support;
int wol;
u64 flags;
int reserved_uars;
int uar_size;

1
sys/ofed/drivers/net/mlx4/main.c
View File

@ -331,6 +331,7 @@ static int mlx4_dev_cap(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap)
dev->caps.stat_rate_support = dev_cap->stat_rate_support;
dev->caps.udp_rss = dev_cap->udp_rss;
dev->caps.loopback_support = dev_cap->loopback_support;
dev->caps.wol = dev_cap->wol;
dev->caps.max_gso_sz = dev_cap->max_gso_sz;
dev->caps.reserved_xrcds = (dev->caps.flags & MLX4_DEV_CAP_FLAG_XRC) ?
dev_cap->reserved_xrcds : 0;

8
sys/ofed/drivers/net/mlx4/mlx4_en.h
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@ -164,7 +164,7 @@ enum {
#define MLX4_EN_DEF_TX_RING_SIZE 512
#define MLX4_EN_DEF_TX_QUEUE_SIZE 4096
#define MLX4_EN_DEF_RX_RING_SIZE 1024
#define MLX4_EN_MAX_RX_POLL 16
#define MLX4_EN_MAX_RX_POLL 1024
/* Target number of bytes to coalesce with interrupt moderation */
#define MLX4_EN_RX_COAL_TARGET 0x20000
@ -537,6 +537,7 @@ struct mlx4_en_priv {
u16 num_frags;
u16 log_rx_info;
int ip_reasm;
bool wol;
struct mlx4_en_tx_ring tx_ring[MAX_TX_RINGS];
struct mlx4_en_rx_ring rx_ring[MAX_RX_RINGS];
@ -561,6 +562,11 @@ struct mlx4_en_priv {
struct sysctl_ctx_list stat_ctx;
};
enum mlx4_en_wol {
MLX4_EN_WOL_MAGIC = (1ULL << 61),
MLX4_EN_WOL_ENABLED = (1ULL << 62),
MLX4_EN_WOL_DO_MODIFY = (1ULL << 63),
};
int mlx4_en_transmit(struct net_device *dev, struct mbuf *mb);
void mlx4_en_qflush(struct net_device *dev);

4
sys/ofed/include/linux/mlx4/device.h
View File

@ -251,6 +251,7 @@ struct mlx4_caps {
u16 stat_rate_support;
int udp_rss;
int loopback_support;
int wol;
u8 port_width_cap[MLX4_MAX_PORTS + 1];
int max_gso_sz;
int reserved_qps_cnt[MLX4_NUM_QP_REGION];
@ -535,6 +536,9 @@ int mlx4_mtt_init(struct mlx4_dev *dev, int npages, int page_shift,
struct mlx4_mtt *mtt);
void mlx4_mtt_cleanup(struct mlx4_dev *dev, struct mlx4_mtt *mtt);
u64 mlx4_mtt_addr(struct mlx4_dev *dev, struct mlx4_mtt *mtt);
int mlx4_wol_read(struct mlx4_dev *dev, u64 *config, int port);
int mlx4_wol_write(struct mlx4_dev *dev, u64 config, int port);
int mlx4_mr_reserve_range(struct mlx4_dev *dev, int cnt, int align, u32 *base_mridx);
void mlx4_mr_release_range(struct mlx4_dev *dev, u32 base_mridx, int cnt);