enic: Add ethtool support to show classifier filters added by the driver

[cascardo/linux.git] / drivers / net / ethernet / cisco / enic / enic_clsf.c

diff --git a/drivers/net/ethernet/cisco/enic/enic_clsf.c b/drivers/net/ethernet/cisco/enic/enic_clsf.c
index ee6acbf..69dfd3c 100644 (file)
--- a/drivers/net/ethernet/cisco/enic/enic_clsf.c
+++ b/drivers/net/ethernet/cisco/enic/enic_clsf.c
@@ -103,6 +103,24 @@ void enic_rfs_flw_tbl_free(struct enic *enic)
        spin_unlock(&enic->rfs_h.lock);
 }
 
+struct enic_rfs_fltr_node *htbl_fltr_search(struct enic *enic, u16 fltr_id)
+{
+       int i;
+
+       for (i = 0; i < (1 << ENIC_RFS_FLW_BITSHIFT); i++) {
+               struct hlist_head *hhead;
+               struct hlist_node *tmp;
+               struct enic_rfs_fltr_node *n;
+
+               hhead = &enic->rfs_h.ht_head[i];
+               hlist_for_each_entry_safe(n, tmp, hhead, node)
+                       if (n->fltr_id == fltr_id)
+                               return n;
+       }
+
+       return NULL;
+}
+
 #ifdef CONFIG_RFS_ACCEL
 void enic_flow_may_expire(unsigned long data)
 {