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RDMA/nes: remove use of NETDEV_TX_LOCKED 

ndo_start_xmit never returns it to stack, but nes_nic_send helper used it if
skb could not be queued to hardware.  Switch to bool instead.

Cc: <linux-rdma@vger.kernel.org>
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Florian Westphal 2016-04-24 21:38:09 +02:00 committed by David S. Miller
parent c971c0e580
commit 47975cd102
1 changed files with 5 additions and 8 deletions
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13
drivers/infiniband/hw/nes/nes_nic.c
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@ -356,7 +356,7 @@ static int nes_netdev_stop(struct net_device *netdev)
/**
* nes_nic_send
*/
static int nes_nic_send(struct sk_buff *skb, struct net_device *netdev)
static bool nes_nic_send(struct sk_buff *skb, struct net_device *netdev)
{
struct nes_vnic *nesvnic = netdev_priv(netdev);
struct nes_device *nesdev = nesvnic->nesdev;
@ -413,7 +413,7 @@ static int nes_nic_send(struct sk_buff *skb, struct net_device *netdev)
netdev->name, skb_shinfo(skb)->nr_frags + 2, skb_headlen(skb));
kfree_skb(skb);
nesvnic->tx_sw_dropped++;
return NETDEV_TX_LOCKED;
return false;
}
set_bit(nesnic->sq_head, nesnic->first_frag_overflow);
bus_address = pci_map_single(nesdev->pcidev, skb->data + NES_FIRST_FRAG_SIZE,
@ -454,8 +454,7 @@ static int nes_nic_send(struct sk_buff *skb, struct net_device *netdev)
set_wqe_32bit_value(nic_sqe->wqe_words, NES_NIC_SQ_WQE_MISC_IDX, wqe_misc);
nesnic->sq_head++;
nesnic->sq_head &= nesnic->sq_size - 1;
return NETDEV_TX_OK;
return true;
}
@ -673,13 +672,11 @@ tso_sq_no_longer_full:
skb_linearize(skb);
skb_set_transport_header(skb, hoffset);
skb_set_network_header(skb, nhoffset);
send_rc = nes_nic_send(skb, netdev);
if (send_rc != NETDEV_TX_OK)
if (!nes_nic_send(skb, netdev))
return NETDEV_TX_OK;
}
} else {
send_rc = nes_nic_send(skb, netdev);
if (send_rc != NETDEV_TX_OK)
if (!nes_nic_send(skb, netdev))
return NETDEV_TX_OK;
}