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net: allow fallback function to pass netdev 

For most of these calls we can just pass NULL through to the fallback
function as the sb_dev. The only cases where we cannot are the cases where
we might be dealing with either an upper device or a driver that would
have configured things to support an sb_dev itself.

The only driver that has any significant change in this patch set should be
ixgbe as we can drop the redundant functionality that existed in both the
ndo_select_queue function and the fallback function that was passed through
to us.

Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
This commit is contained in:
Alexander Duyck 2018-07-09 12:20:04 -04:00 committed by Jeff Kirsher
parent 4f49dec907
commit 8ec56fc3c5
14 changed files with 24 additions and 27 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/net/ethernet/amazon/ena/ena_netdev.c
View File

@ -2224,7 +2224,7 @@ static u16 ena_select_queue(struct net_device *dev, struct sk_buff *skb,
if (skb_rx_queue_recorded(skb))
qid = skb_get_rx_queue(skb);
else
qid = fallback(dev, skb);
qid = fallback(dev, skb, NULL);
return qid;
}

4
drivers/net/ethernet/broadcom/bcmsysport.c
View File

@ -2116,7 +2116,7 @@ static u16 bcm_sysport_select_queue(struct net_device *dev, struct sk_buff *skb,
unsigned int q, port;
if (!netdev_uses_dsa(dev))
return fallback(dev, skb);
return fallback(dev, skb, NULL);
/* DSA tagging layer will have configured the correct queue */
q = BRCM_TAG_GET_QUEUE(queue);
@ -2124,7 +2124,7 @@ static u16 bcm_sysport_select_queue(struct net_device *dev, struct sk_buff *skb,
tx_ring = priv->ring_map[q + port * priv->per_port_num_tx_queues];
if (unlikely(!tx_ring))
return fallback(dev, skb);
return fallback(dev, skb, NULL);
return tx_ring->index;
}

3
drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c
View File

@ -1933,7 +1933,8 @@ u16 bnx2x_select_queue(struct net_device *dev, struct sk_buff *skb,
}
/* select a non-FCoE queue */
return fallback(dev, skb) % (BNX2X_NUM_ETH_QUEUES(bp) * bp->max_cos);
return fallback(dev, skb, NULL) %
(BNX2X_NUM_ETH_QUEUES(bp) * bp->max_cos);
}
void bnx2x_set_num_queues(struct bnx2x *bp)

2
drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
View File

@ -973,7 +973,7 @@ static u16 cxgb_select_queue(struct net_device *dev, struct sk_buff *skb,
return txq;
}
return fallback(dev, skb) % dev->real_num_tx_queues;
return fallback(dev, skb, NULL) % dev->real_num_tx_queues;
}
static int closest_timer(const struct sge *s, int time)

2
drivers/net/ethernet/hisilicon/hns/hns_enet.c
View File

@ -2033,7 +2033,7 @@ hns_nic_select_queue(struct net_device *ndev, struct sk_buff *skb,
is_multicast_ether_addr(eth_hdr->h_dest))
return 0;
else
return fallback(ndev, skb);
return fallback(ndev, skb, NULL);
}
static const struct net_device_ops hns_nic_netdev_ops = {

4
drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
View File

@ -8237,11 +8237,11 @@ static u16 ixgbe_select_queue(struct net_device *dev, struct sk_buff *skb,
case htons(ETH_P_FIP):
adapter = netdev_priv(dev);
if (adapter->flags & IXGBE_FLAG_FCOE_ENABLED)
if (!sb_dev && (adapter->flags & IXGBE_FLAG_FCOE_ENABLED))
break;
/* fall through */
default:
return fallback(dev, skb);
return fallback(dev, skb, sb_dev);
}
f = &adapter->ring_feature[RING_F_FCOE];

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

@ -695,9 +695,9 @@ u16 mlx4_en_select_queue(struct net_device *dev, struct sk_buff *skb,
u16 rings_p_up = priv->num_tx_rings_p_up;
if (netdev_get_num_tc(dev))
return fallback(dev, skb);
return fallback(dev, skb, NULL);
return fallback(dev, skb) % rings_p_up;
return fallback(dev, skb, NULL) % rings_p_up;
}
static void mlx4_bf_copy(void __iomem *dst, const void *src,

2
drivers/net/ethernet/mellanox/mlx5/core/en_tx.c
View File

@ -115,7 +115,7 @@ u16 mlx5e_select_queue(struct net_device *dev, struct sk_buff *skb,
select_queue_fallback_t fallback)
{
struct mlx5e_priv *priv = netdev_priv(dev);
int channel_ix = fallback(dev, skb);
int channel_ix = fallback(dev, skb, NULL);
u16 num_channels;
int up = 0;

2
drivers/net/hyperv/netvsc_drv.c
View File

@ -345,7 +345,7 @@ static u16 netvsc_select_queue(struct net_device *ndev, struct sk_buff *skb,
txq = vf_ops->ndo_select_queue(vf_netdev, skb,
sb_dev, fallback);
else
txq = fallback(vf_netdev, skb);
txq = fallback(vf_netdev, skb, NULL);
/* Record the queue selected by VF so that it can be
* used for common case where VF has more queues than

2
drivers/net/net_failover.c
View File

@ -131,7 +131,7 @@ static u16 net_failover_select_queue(struct net_device *dev,
txq = ops->ndo_select_queue(primary_dev, skb,
sb_dev, fallback);
else
txq = fallback(primary_dev, skb);
txq = fallback(primary_dev, skb, NULL);
qdisc_skb_cb(skb)->slave_dev_queue_mapping = skb->queue_mapping;

2
drivers/net/xen-netback/interface.c
View File

@ -155,7 +155,7 @@ static u16 xenvif_select_queue(struct net_device *dev, struct sk_buff *skb,
unsigned int size = vif->hash.size;
if (vif->hash.alg == XEN_NETIF_CTRL_HASH_ALGORITHM_NONE)
return fallback(dev, skb) % dev->real_num_tx_queues;
return fallback(dev, skb, NULL) % dev->real_num_tx_queues;
xenvif_set_skb_hash(vif, skb);

3
include/linux/netdevice.h
View File

@ -793,7 +793,8 @@ static inline bool netdev_phys_item_id_same(struct netdev_phys_item_id *a,
}
typedef u16 (*select_queue_fallback_t)(struct net_device *dev,
struct sk_buff *skb);
struct sk_buff *skb,
struct net_device *sb_dev);
enum tc_setup_type {
TC_SETUP_QDISC_MQPRIO,

10
net/core/dev.c
View File

@ -3633,7 +3633,7 @@ u16 dev_pick_tx_cpu_id(struct net_device *dev, struct sk_buff *skb,
}
EXPORT_SYMBOL(dev_pick_tx_cpu_id);
static u16 ___netdev_pick_tx(struct net_device *dev, struct sk_buff *skb,
static u16 __netdev_pick_tx(struct net_device *dev, struct sk_buff *skb,
struct net_device *sb_dev)
{
struct sock *sk = skb->sk;
@ -3659,12 +3659,6 @@ static u16 ___netdev_pick_tx(struct net_device *dev, struct sk_buff *skb,
return queue_index;
}
static u16 __netdev_pick_tx(struct net_device *dev,
struct sk_buff *skb)
{
return ___netdev_pick_tx(dev, skb, NULL);
}
struct netdev_queue *netdev_pick_tx(struct net_device *dev,
struct sk_buff *skb,
struct net_device *sb_dev)
@ -3685,7 +3679,7 @@ struct netdev_queue *netdev_pick_tx(struct net_device *dev,
queue_index = ops->ndo_select_queue(dev, skb, sb_dev,
__netdev_pick_tx);
else
queue_index = ___netdev_pick_tx(dev, skb, sb_dev);
queue_index = __netdev_pick_tx(dev, skb, sb_dev);
queue_index = netdev_cap_txqueue(dev, queue_index);
}

7
net/packet/af_packet.c
View File

@ -275,9 +275,10 @@ static bool packet_use_direct_xmit(const struct packet_sock *po)
return po->xmit == packet_direct_xmit;
}
static u16 __packet_pick_tx_queue(struct net_device *dev, struct sk_buff *skb)
static u16 __packet_pick_tx_queue(struct net_device *dev, struct sk_buff *skb,
struct net_device *sb_dev)
{
return dev_pick_tx_cpu_id(dev, skb, NULL, NULL);
return dev_pick_tx_cpu_id(dev, skb, sb_dev, NULL);
}
static u16 packet_pick_tx_queue(struct sk_buff *skb)
@ -291,7 +292,7 @@ static u16 packet_pick_tx_queue(struct sk_buff *skb)
__packet_pick_tx_queue);
queue_index = netdev_cap_txqueue(dev, queue_index);
} else {
queue_index = __packet_pick_tx_queue(dev, skb);
queue_index = __packet_pick_tx_queue(dev, skb, NULL);
}
return queue_index;