From: Roopa Prabhu <[email protected]> This patch adds support in rtnetlink for IFLA_RX_FILTER and IFLA_VF_RX_FILTERS set. It calls netdev_ops->set_rx_filter_addr and rtnl_link_ops->set_rx_filter_vlan
Signed-off-by: Roopa Prabhu <[email protected]> Signed-off-by: Christian Benvenuti <[email protected]> Signed-off-by: David Wang <[email protected]> --- include/linux/if_link.h | 2 + net/core/rtnetlink.c | 101 +++++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 103 insertions(+), 0 deletions(-) diff --git a/include/linux/if_link.h b/include/linux/if_link.h index 74a9f17..a8c2c14 100644 --- a/include/linux/if_link.h +++ b/include/linux/if_link.h @@ -268,6 +268,8 @@ enum macvlan_mode { /* SR-IOV virtual function management section */ +#define SELF_VF -1 + enum { IFLA_VF_INFO_UNSPEC, IFLA_VF_INFO, diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c index 9eead8e..a042910 100644 --- a/net/core/rtnetlink.c +++ b/net/core/rtnetlink.c @@ -1294,6 +1294,66 @@ static int do_set_master(struct net_device *dev, int ifindex) return 0; } +static int do_set_rx_filter(struct net_device *dev, int vf, + struct nlattr *rx_filter[], + int *modified) +{ + const struct net_device_ops *ops = dev->netdev_ops; + int err = 0; + + if (rx_filter[IFLA_RX_FILTER_ADDR]) { + struct nlattr *addr_filter[IFLA_RX_FILTER_ADDR_MAX+1]; + + if (!ops->ndo_set_rx_filter_addr) { + err = -EOPNOTSUPP; + goto errout; + } + + err = nla_parse_nested(addr_filter, IFLA_RX_FILTER_ADDR_MAX, + rx_filter[IFLA_RX_FILTER_ADDR], + ifla_addr_filter_policy); + if (err < 0) + goto errout; + + if (addr_filter[IFLA_RX_FILTER_ADDR_FLAGS]) { + unsigned int flags = nla_get_u32( + addr_filter[IFLA_RX_FILTER_ADDR_FLAGS]); + if (flags & ~RX_FILTER_FLAGS) { + err = -EINVAL; + goto errout; + } + } + + err = ops->ndo_set_rx_filter_addr(dev, vf, addr_filter); + if (err < 0) + goto errout; + *modified = 1; + } + + if (rx_filter[IFLA_RX_FILTER_VLAN]) { + struct nlattr *vlan_filter[IFLA_RX_FILTER_VLAN_MAX+1]; + + if (!ops->ndo_set_rx_filter_vlan) { + err = -EOPNOTSUPP; + goto errout; + } + + err = nla_parse_nested(vlan_filter, IFLA_RX_FILTER_VLAN_MAX, + rx_filter[IFLA_RX_FILTER_VLAN], + ifla_vlan_filter_policy); + if (err < 0) + goto errout; + + err = ops->ndo_set_rx_filter_vlan(dev, vf, vlan_filter); + if (err < 0) + goto errout; + *modified = 1; + } + +errout: + return err; +} + static int do_setlink(struct net_device *dev, struct ifinfomsg *ifm, struct nlattr **tb, char *ifname, int modified) { @@ -1515,6 +1575,47 @@ static int do_setlink(struct net_device *dev, struct ifinfomsg *ifm, modified = 1; } } + + if (tb[IFLA_VF_RX_FILTERS]) { + struct nlattr *vf_rx_filter[IFLA_RX_FILTER_MAX+1]; + struct nlattr *attr; + int vf; + int rem; + + nla_for_each_nested(attr, tb[IFLA_VF_RX_FILTERS], rem) { + if (nla_type(attr) != IFLA_VF_RX_FILTER) + continue; + err = nla_parse_nested(vf_rx_filter, IFLA_RX_FILTER_MAX, + attr, ifla_rx_filter_policy); + if (err < 0) + goto errout; + + if (!vf_rx_filter[IFLA_RX_FILTER_VF]) { + err = -EOPNOTSUPP; + goto errout; + } + vf = nla_get_u32(vf_rx_filter[IFLA_RX_FILTER_VF]); + + err = do_set_rx_filter(dev, vf, vf_rx_filter, + &modified); + if (err < 0) + goto errout; + } + } + + if (tb[IFLA_RX_FILTER]) { + struct nlattr *rx_filter[IFLA_RX_FILTER_MAX+1]; + + err = nla_parse_nested(rx_filter, IFLA_RX_FILTER_MAX, + tb[IFLA_RX_FILTER], ifla_rx_filter_policy); + if (err < 0) + goto errout; + + err = do_set_rx_filter(dev, SELF_VF, rx_filter, &modified); + if (err < 0) + goto errout; + } + err = 0; errout: -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
