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vxlan: vxlan_core: Support FDB flushing by source VNI
Add support for flush VXLAN FDB entries by source VNI. Signed-off-by: Amit Cohen <amcohen@nvidia.com> Reviewed-by: Petr Machata <petrm@nvidia.com> Reviewed-by: Ido Schimmel <idosch@nvidia.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -3028,6 +3028,7 @@ struct vxlan_fdb_flush_desc {
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unsigned long state_mask;
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unsigned long flags;
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unsigned long flags_mask;
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__be32 src_vni;
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};
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static bool vxlan_fdb_is_default_entry(const struct vxlan_fdb *f,
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@ -3049,6 +3050,9 @@ static bool vxlan_fdb_flush_matches(const struct vxlan_fdb *f,
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if (desc->ignore_default_entry && vxlan_fdb_is_default_entry(f, vxlan))
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return false;
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if (desc->src_vni && f->vni != desc->src_vni)
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return false;
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return true;
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}
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@ -3076,6 +3080,7 @@ static void vxlan_flush(struct vxlan_dev *vxlan,
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}
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static const struct nla_policy vxlan_del_bulk_policy[NDA_MAX + 1] = {
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[NDA_SRC_VNI] = { .type = NLA_U32 },
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[NDA_NDM_STATE_MASK] = { .type = NLA_U16 },
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[NDA_NDM_FLAGS_MASK] = { .type = NLA_U8 },
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};
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@ -3120,6 +3125,9 @@ static int vxlan_fdb_delete_bulk(struct nlmsghdr *nlh, struct net_device *dev,
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if (tb[NDA_NDM_FLAGS_MASK])
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desc.flags_mask = nla_get_u8(tb[NDA_NDM_FLAGS_MASK]);
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if (tb[NDA_SRC_VNI])
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desc.src_vni = cpu_to_be32(nla_get_u32(tb[NDA_SRC_VNI]));
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vxlan_flush(vxlan, &desc);
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return 0;
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