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-rw-r--r--drivers/net/benet/be.h3
-rw-r--r--drivers/net/benet/be_main.c30
2 files changed, 19 insertions, 14 deletions
diff --git a/drivers/net/benet/be.h b/drivers/net/benet/be.h
index 242013157f20..476a5c455794 100644
--- a/drivers/net/benet/be.h
+++ b/drivers/net/benet/be.h
@@ -250,7 +250,8 @@ struct be_adapter {
bool rx_post_starved; /* Zero rx frags have been posted to BE */
struct vlan_group *vlan_grp;
- u16 num_vlans;
+ u16 vlans_added;
+ u16 max_vlans; /* Number of vlans supported */
u8 vlan_tag[VLAN_GROUP_ARRAY_LEN];
struct be_dma_mem mc_cmd_mem;
diff --git a/drivers/net/benet/be_main.c b/drivers/net/benet/be_main.c
index 1951d7620a88..92c55f679466 100644
--- a/drivers/net/benet/be_main.c
+++ b/drivers/net/benet/be_main.c
@@ -488,17 +488,16 @@ static int be_change_mtu(struct net_device *netdev, int new_mtu)
}
/*
- * if there are BE_NUM_VLANS_SUPPORTED or lesser number of VLANS configured,
- * program them in BE. If more than BE_NUM_VLANS_SUPPORTED are configured,
- * set the BE in promiscuous VLAN mode.
+ * A max of 64 (BE_NUM_VLANS_SUPPORTED) vlans can be configured in BE.
+ * If the user configures more, place BE in vlan promiscuous mode.
*/
static int be_vid_config(struct be_adapter *adapter)
{
u16 vtag[BE_NUM_VLANS_SUPPORTED];
u16 ntags = 0, i;
- int status;
+ int status = 0;
- if (adapter->num_vlans <= BE_NUM_VLANS_SUPPORTED) {
+ if (adapter->vlans_added <= adapter->max_vlans) {
/* Construct VLAN Table to give to HW */
for (i = 0; i < VLAN_GROUP_ARRAY_LEN; i++) {
if (adapter->vlan_tag[i]) {
@@ -532,21 +531,21 @@ static void be_vlan_add_vid(struct net_device *netdev, u16 vid)
{
struct be_adapter *adapter = netdev_priv(netdev);
- adapter->num_vlans++;
adapter->vlan_tag[vid] = 1;
-
- be_vid_config(adapter);
+ adapter->vlans_added++;
+ if (adapter->vlans_added <= (adapter->max_vlans + 1))
+ be_vid_config(adapter);
}
static void be_vlan_rem_vid(struct net_device *netdev, u16 vid)
{
struct be_adapter *adapter = netdev_priv(netdev);
- adapter->num_vlans--;
adapter->vlan_tag[vid] = 0;
-
vlan_group_set_device(adapter->vlan_grp, vid, NULL);
- be_vid_config(adapter);
+ adapter->vlans_added--;
+ if (adapter->vlans_added <= adapter->max_vlans)
+ be_vid_config(adapter);
}
static void be_set_multicast_list(struct net_device *netdev)
@@ -786,7 +785,7 @@ static void be_rx_compl_process(struct be_adapter *adapter,
skb->dev = adapter->netdev;
if (vlanf) {
- if (!adapter->vlan_grp || adapter->num_vlans == 0) {
+ if (!adapter->vlan_grp || adapter->vlans_added == 0) {
kfree_skb(skb);
return;
}
@@ -866,7 +865,7 @@ static void be_rx_compl_process_gro(struct be_adapter *adapter,
vid = AMAP_GET_BITS(struct amap_eth_rx_compl, vlan_tag, rxcp);
vid = be16_to_cpu(vid);
- if (!adapter->vlan_grp || adapter->num_vlans == 0)
+ if (!adapter->vlan_grp || adapter->vlans_added == 0)
return;
vlan_gro_frags(&eq_obj->napi, adapter->vlan_grp, vid);
@@ -2241,6 +2240,11 @@ static int be_get_config(struct be_adapter *adapter)
memcpy(adapter->netdev->dev_addr, mac, ETH_ALEN);
memcpy(adapter->netdev->perm_addr, mac, ETH_ALEN);
+ if (adapter->cap & 0x400)
+ adapter->max_vlans = BE_NUM_VLANS_SUPPORTED/4;
+ else
+ adapter->max_vlans = BE_NUM_VLANS_SUPPORTED;
+
return 0;
}