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net/mlx4_en: Enable DCB ETS ops only when supported by the firmware

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Enable the DCB ETS ops only when supported by the firmware. For older firmware/cards
which don't support ETS, advertize only PFC DCB ops.

Signed-off-by: Eugenia Emantayev <eugenia@mellanox.co.il>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Or Gerlitz 2013-04-07 03:44:07 +00:00 committed by David S. Miller
parent 4d531aa8ab
commit 540b3a39ee
5 changed files with 19 additions and 2 deletions
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8
drivers/net/ethernet/mellanox/mlx4/en_dcb_nl.c
View File

@ -253,3 +253,11 @@ const struct dcbnl_rtnl_ops mlx4_en_dcbnl_ops = {
.getdcbx = mlx4_en_dcbnl_getdcbx,
.setdcbx = mlx4_en_dcbnl_setdcbx,
};
const struct dcbnl_rtnl_ops mlx4_en_dcbnl_pfc_ops = {
.ieee_getpfc = mlx4_en_dcbnl_ieee_getpfc,
.ieee_setpfc = mlx4_en_dcbnl_ieee_setpfc,
.getdcbx = mlx4_en_dcbnl_getdcbx,
.setdcbx = mlx4_en_dcbnl_setdcbx,
};

10
drivers/net/ethernet/mellanox/mlx4/en_netdev.c
View File

@ -2013,8 +2013,14 @@ int mlx4_en_init_netdev(struct mlx4_en_dev *mdev, int port,
INIT_WORK(&priv->linkstate_task, mlx4_en_linkstate);
INIT_DELAYED_WORK(&priv->stats_task, mlx4_en_do_get_stats);
#ifdef CONFIG_MLX4_EN_DCB
if (!mlx4_is_slave(priv->mdev->dev))
dev->dcbnl_ops = &mlx4_en_dcbnl_ops;
if (!mlx4_is_slave(priv->mdev->dev)) {
if (mdev->dev->caps.flags & MLX4_DEV_CAP_FLAG_SET_ETH_SCHED) {
dev->dcbnl_ops = &mlx4_en_dcbnl_ops;
} else {
en_info(priv, "enabling only PFC DCB ops\n");
dev->dcbnl_ops = &mlx4_en_dcbnl_pfc_ops;
}
}
#endif
for (i = 0; i < MLX4_EN_MAC_HASH_SIZE; ++i)

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

@ -109,6 +109,7 @@ static void dump_dev_cap_flags(struct mlx4_dev *dev, u64 flags)
[41] = "Unicast VEP steering support",
[42] = "Multicast VEP steering support",
[48] = "Counters support",
[53] = "Port ETS Scheduler support",
[55] = "Port link type sensing support",
[59] = "Port management change event support",
[61] = "64 byte EQE support",

1
drivers/net/ethernet/mellanox/mlx4/mlx4_en.h
View File

@ -624,6 +624,7 @@ int mlx4_en_QUERY_PORT(struct mlx4_en_dev *mdev, u8 port);
#ifdef CONFIG_MLX4_EN_DCB
extern const struct dcbnl_rtnl_ops mlx4_en_dcbnl_ops;
extern const struct dcbnl_rtnl_ops mlx4_en_dcbnl_pfc_ops;
#endif
int mlx4_en_setup_tc(struct net_device *dev, u8 up);

1
include/linux/mlx4/device.h
View File

@ -140,6 +140,7 @@ enum {
MLX4_DEV_CAP_FLAG_VEP_UC_STEER = 1LL << 41,
MLX4_DEV_CAP_FLAG_VEP_MC_STEER = 1LL << 42,
MLX4_DEV_CAP_FLAG_COUNTERS = 1LL << 48,
MLX4_DEV_CAP_FLAG_SET_ETH_SCHED = 1LL << 53,
MLX4_DEV_CAP_FLAG_SENSE_SUPPORT = 1LL << 55,
MLX4_DEV_CAP_FLAG_PORT_MNG_CHG_EV = 1LL << 59,
MLX4_DEV_CAP_FLAG_64B_EQE = 1LL << 61,