leandrof/linux
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Merge branch 'mlx4-misc-fixes-for-4.16'

Browse Source 
Tariq Toukan says:

====================
mlx4 misc fixes for 4.16

This patchset contains misc bug fixes from the team
to the mlx4 Core and Eth drivers.

Patch 1 by Eran fixes a control mix of PFC and Global pauses, please queue it
to -stable for >= v4.8.
Patch 2 by Moshe fixes a resource leak in slave's delete flow, please queue it
to -stable for >= v4.5.

Series generated against net commit:
3c82b372a9 net: dsa: mt7530: fix module autoloading for OF platform drivers
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller 2018-03-27 12:02:30 -04:00
commit d222a08432
4 changed files with 63 additions and 47 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

72
drivers/net/ethernet/mellanox/mlx4/en_dcb_nl.c
View File

@ -156,57 +156,63 @@ static int mlx4_en_dcbnl_getnumtcs(struct net_device *netdev, int tcid, u8 *num)
static u8 mlx4_en_dcbnl_set_all(struct net_device *netdev)
{
struct mlx4_en_priv *priv = netdev_priv(netdev);
struct mlx4_en_port_profile *prof = priv->prof;
struct mlx4_en_dev *mdev = priv->mdev;
u8 tx_pause, tx_ppp, rx_pause, rx_ppp;
if (!(priv->dcbx_cap & DCB_CAP_DCBX_VER_CEE))
return 1;
if (priv->cee_config.pfc_state) {
int tc;
rx_ppp = prof->rx_ppp;
tx_ppp = prof->tx_ppp;
priv->prof->rx_pause = 0;
priv->prof->tx_pause = 0;
for (tc = 0; tc < CEE_DCBX_MAX_PRIO; tc++) {
u8 tc_mask = 1 << tc;
switch (priv->cee_config.dcb_pfc[tc]) {
case pfc_disabled:
priv->prof->tx_ppp &= ~tc_mask;
priv->prof->rx_ppp &= ~tc_mask;
tx_ppp &= ~tc_mask;
rx_ppp &= ~tc_mask;
break;
case pfc_enabled_full:
priv->prof->tx_ppp |= tc_mask;
priv->prof->rx_ppp |= tc_mask;
tx_ppp |= tc_mask;
rx_ppp |= tc_mask;
break;
case pfc_enabled_tx:
priv->prof->tx_ppp |= tc_mask;
priv->prof->rx_ppp &= ~tc_mask;
tx_ppp |= tc_mask;
rx_ppp &= ~tc_mask;
break;
case pfc_enabled_rx:
priv->prof->tx_ppp &= ~tc_mask;
priv->prof->rx_ppp |= tc_mask;
tx_ppp &= ~tc_mask;
rx_ppp |= tc_mask;
break;
default:
break;
}
}
en_dbg(DRV, priv, "Set pfc on\n");
rx_pause = !!(rx_ppp || tx_ppp) ? 0 : prof->rx_pause;
tx_pause = !!(rx_ppp || tx_ppp) ? 0 : prof->tx_pause;
} else {
priv->prof->rx_pause = 1;
priv->prof->tx_pause = 1;
en_dbg(DRV, priv, "Set pfc off\n");
rx_ppp = 0;
tx_ppp = 0;
rx_pause = prof->rx_pause;
tx_pause = prof->tx_pause;
}
if (mlx4_SET_PORT_general(mdev->dev, priv->port,
priv->rx_skb_size + ETH_FCS_LEN,
priv->prof->tx_pause,
priv->prof->tx_ppp,
priv->prof->rx_pause,
priv->prof->rx_ppp)) {
tx_pause, tx_ppp, rx_pause, rx_ppp)) {
en_err(priv, "Failed setting pause params\n");
return 1;
}
prof->tx_ppp = tx_ppp;
prof->rx_ppp = rx_ppp;
prof->tx_pause = tx_pause;
prof->rx_pause = rx_pause;
return 0;
}
@ -408,6 +414,7 @@ static int mlx4_en_dcbnl_ieee_setpfc(struct net_device *dev,
struct mlx4_en_priv *priv = netdev_priv(dev);
struct mlx4_en_port_profile *prof = priv->prof;
struct mlx4_en_dev *mdev = priv->mdev;
u32 tx_pause, tx_ppp, rx_pause, rx_ppp;
int err;
en_dbg(DRV, priv, "cap: 0x%x en: 0x%x mbc: 0x%x delay: %d\n",
@ -416,23 +423,26 @@ static int mlx4_en_dcbnl_ieee_setpfc(struct net_device *dev,
pfc->mbc,
pfc->delay);
prof->rx_pause = !pfc->pfc_en;
prof->tx_pause = !pfc->pfc_en;
prof->rx_ppp = pfc->pfc_en;
prof->tx_ppp = pfc->pfc_en;
rx_pause = prof->rx_pause && !pfc->pfc_en;
tx_pause = prof->tx_pause && !pfc->pfc_en;
rx_ppp = pfc->pfc_en;
tx_ppp = pfc->pfc_en;
err = mlx4_SET_PORT_general(mdev->dev, priv->port,
priv->rx_skb_size + ETH_FCS_LEN,
prof->tx_pause,
prof->tx_ppp,
prof->rx_pause,
prof->rx_ppp);
if (err)
tx_pause, tx_ppp, rx_pause, rx_ppp);
if (err) {
en_err(priv, "Failed setting pause params\n");
else
mlx4_en_update_pfc_stats_bitmap(mdev->dev, &priv->stats_bitmap,
prof->rx_ppp, prof->rx_pause,
prof->tx_ppp, prof->tx_pause);
return err;
}
mlx4_en_update_pfc_stats_bitmap(mdev->dev, &priv->stats_bitmap,
rx_ppp, rx_pause, tx_ppp, tx_pause);
prof->tx_ppp = tx_ppp;
prof->rx_ppp = rx_ppp;
prof->rx_pause = rx_pause;
prof->tx_pause = tx_pause;
return err;
}

33
drivers/net/ethernet/mellanox/mlx4/en_ethtool.c
View File

@ -1046,27 +1046,32 @@ static int mlx4_en_set_pauseparam(struct net_device *dev,
{
struct mlx4_en_priv *priv = netdev_priv(dev);
struct mlx4_en_dev *mdev = priv->mdev;
u8 tx_pause, tx_ppp, rx_pause, rx_ppp;
int err;
if (pause->autoneg)
return -EINVAL;
priv->prof->tx_pause = pause->tx_pause != 0;
priv->prof->rx_pause = pause->rx_pause != 0;
tx_pause = !!(pause->tx_pause);
rx_pause = !!(pause->rx_pause);
rx_ppp = priv->prof->rx_ppp && !(tx_pause || rx_pause);
tx_ppp = priv->prof->tx_ppp && !(tx_pause || rx_pause);
err = mlx4_SET_PORT_general(mdev->dev, priv->port,
priv->rx_skb_size + ETH_FCS_LEN,
priv->prof->tx_pause,
priv->prof->tx_ppp,
priv->prof->rx_pause,
priv->prof->rx_ppp);
if (err)
en_err(priv, "Failed setting pause params\n");
else
mlx4_en_update_pfc_stats_bitmap(mdev->dev, &priv->stats_bitmap,
priv->prof->rx_ppp,
priv->prof->rx_pause,
priv->prof->tx_ppp,
priv->prof->tx_pause);
tx_pause, tx_ppp, rx_pause, rx_ppp);
if (err) {
en_err(priv, "Failed setting pause params, err = %d\n", err);
return err;
}
mlx4_en_update_pfc_stats_bitmap(mdev->dev, &priv->stats_bitmap,
rx_ppp, rx_pause, tx_ppp, tx_pause);
priv->prof->tx_pause = tx_pause;
priv->prof->rx_pause = rx_pause;
priv->prof->tx_ppp = tx_ppp;
priv->prof->rx_ppp = rx_ppp;
return err;
}

4
drivers/net/ethernet/mellanox/mlx4/en_main.c
View File

@ -163,9 +163,9 @@ static void mlx4_en_get_profile(struct mlx4_en_dev *mdev)
params->udp_rss = 0;
}
for (i = 1; i <= MLX4_MAX_PORTS; i++) {
params->prof[i].rx_pause = 1;
params->prof[i].rx_pause = !(pfcrx || pfctx);
params->prof[i].rx_ppp = pfcrx;
params->prof[i].tx_pause = 1;
params->prof[i].tx_pause = !(pfcrx || pfctx);
params->prof[i].tx_ppp = pfctx;
params->prof[i].tx_ring_size = MLX4_EN_DEF_TX_RING_SIZE;
params->prof[i].rx_ring_size = MLX4_EN_DEF_RX_RING_SIZE;

1
drivers/net/ethernet/mellanox/mlx4/resource_tracker.c
View File

@ -5088,6 +5088,7 @@ static void rem_slave_fs_rule(struct mlx4_dev *dev, int slave)
&tracker->res_tree[RES_FS_RULE]);
list_del(&fs_rule->com.list);
spin_unlock_irq(mlx4_tlock(dev));
kfree(fs_rule->mirr_mbox);
kfree(fs_rule);
state = 0;
break;