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Diffstat (limited to 'net/core/ethtool.c')
-rw-r--r--net/core/ethtool.c55
1 files changed, 0 insertions, 55 deletions
diff --git a/net/core/ethtool.c b/net/core/ethtool.c
index e88b80d41f73..921aa2b4b415 100644
--- a/net/core/ethtool.c
+++ b/net/core/ethtool.c
@@ -631,58 +631,6 @@ out:
631 return ret; 631 return ret;
632} 632}
633 633
634/*
635 * ethtool does not (or did not) set masks for flow parameters that are
636 * not specified, so if both value and mask are 0 then this must be
637 * treated as equivalent to a mask with all bits set. Implement that
638 * here rather than in drivers.
639 */
640static void rx_ntuple_fix_masks(struct ethtool_rx_ntuple_flow_spec *fs)
641{
642 struct ethtool_tcpip4_spec *entry = &fs->h_u.tcp_ip4_spec;
643 struct ethtool_tcpip4_spec *mask = &fs->m_u.tcp_ip4_spec;
644
645 if (fs->flow_type != TCP_V4_FLOW &&
646 fs->flow_type != UDP_V4_FLOW &&
647 fs->flow_type != SCTP_V4_FLOW)
648 return;
649
650 if (!(entry->ip4src | mask->ip4src))
651 mask->ip4src = htonl(0xffffffff);
652 if (!(entry->ip4dst | mask->ip4dst))
653 mask->ip4dst = htonl(0xffffffff);
654 if (!(entry->psrc | mask->psrc))
655 mask->psrc = htons(0xffff);
656 if (!(entry->pdst | mask->pdst))
657 mask->pdst = htons(0xffff);
658 if (!(entry->tos | mask->tos))
659 mask->tos = 0xff;
660 if (!(fs->vlan_tag | fs->vlan_tag_mask))
661 fs->vlan_tag_mask = 0xffff;
662 if (!(fs->data | fs->data_mask))
663 fs->data_mask = 0xffffffffffffffffULL;
664}
665
666static noinline_for_stack int ethtool_set_rx_ntuple(struct net_device *dev,
667 void __user *useraddr)
668{
669 struct ethtool_rx_ntuple cmd;
670 const struct ethtool_ops *ops = dev->ethtool_ops;
671
672 if (!ops->set_rx_ntuple)
673 return -EOPNOTSUPP;
674
675 if (!(dev->features & NETIF_F_NTUPLE))
676 return -EINVAL;
677
678 if (copy_from_user(&cmd, useraddr, sizeof(cmd)))
679 return -EFAULT;
680
681 rx_ntuple_fix_masks(&cmd.fs);
682
683 return ops->set_rx_ntuple(dev, &cmd);
684}
685
686static int ethtool_get_regs(struct net_device *dev, char __user *useraddr) 634static int ethtool_get_regs(struct net_device *dev, char __user *useraddr)
687{ 635{
688 struct ethtool_regs regs; 636 struct ethtool_regs regs;
@@ -1495,9 +1443,6 @@ int dev_ethtool(struct net *net, struct ifreq *ifr)
1495 case ETHTOOL_RESET: 1443 case ETHTOOL_RESET:
1496 rc = ethtool_reset(dev, useraddr); 1444 rc = ethtool_reset(dev, useraddr);
1497 break; 1445 break;
1498 case ETHTOOL_SRXNTUPLE:
1499 rc = ethtool_set_rx_ntuple(dev, useraddr);
1500 break;
1501 case ETHTOOL_GSSET_INFO: 1446 case ETHTOOL_GSSET_INFO:
1502 rc = ethtool_get_sset_info(dev, useraddr); 1447 rc = ethtool_get_sset_info(dev, useraddr);
1503 break; 1448 break;