[PATCH net 3/3] bnxt_en: Simplify VLAN receive logic.

[Michael Chan]

Since both CTAG and STAG rx acceleration must be enabled together, we
only need to check one feature flag (NETIF_F_HW_VLAN_CTAG_RX) before
calling __vlan_hwaccel_put_tag().

Signed-off-by: Michael Chan <mc...@broadcom.com>
---
 drivers/net/ethernet/broadcom/bnxt/bnxt.c | 29 +++++++++--------------------
 1 file changed, 9 insertions(+), 20 deletions(-)

diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c 
b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
index ae2b264..c777cde 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
@@ -1113,19 +1113,13 @@ static inline struct sk_buff *bnxt_tpa_end(struct bnxt 
*bp,
        if (tpa_info->hash_type != PKT_HASH_TYPE_NONE)
                skb_set_hash(skb, tpa_info->rss_hash, tpa_info->hash_type);
 
-       if (tpa_info->flags2 & RX_CMP_FLAGS2_META_FORMAT_VLAN) {
-               netdev_features_t features = skb->dev->features;
+       if ((tpa_info->flags2 & RX_CMP_FLAGS2_META_FORMAT_VLAN) &&
+           (skb->dev->features & NETIF_F_HW_VLAN_CTAG_RX)) {
                u16 vlan_proto = tpa_info->metadata >>
                        RX_CMP_FLAGS2_METADATA_TPID_SFT;
+               u16 vtag = tpa_info->metadata & RX_CMP_FLAGS2_METADATA_VID_MASK;
 
-               if (((features & NETIF_F_HW_VLAN_CTAG_RX) &&
-                    vlan_proto == ETH_P_8021Q) ||
-                   ((features & NETIF_F_HW_VLAN_STAG_RX) &&
-                    vlan_proto == ETH_P_8021AD)) {
-                       __vlan_hwaccel_put_tag(skb, htons(vlan_proto),
-                                              tpa_info->metadata &
-                                              RX_CMP_FLAGS2_METADATA_VID_MASK);
-               }
+               __vlan_hwaccel_put_tag(skb, htons(vlan_proto), vtag);
        }
 
        skb_checksum_none_assert(skb);
@@ -1278,19 +1272,14 @@ static int bnxt_rx_pkt(struct bnxt *bp, struct 
bnxt_napi *bnapi, u32 *raw_cons,
 
        skb->protocol = eth_type_trans(skb, dev);
 
-       if (rxcmp1->rx_cmp_flags2 &
-           cpu_to_le32(RX_CMP_FLAGS2_META_FORMAT_VLAN)) {
-               netdev_features_t features = skb->dev->features;
+       if ((rxcmp1->rx_cmp_flags2 &
+            cpu_to_le32(RX_CMP_FLAGS2_META_FORMAT_VLAN)) &&
+           (skb->dev->features & NETIF_F_HW_VLAN_CTAG_RX)) {
                u32 meta_data = le32_to_cpu(rxcmp1->rx_cmp_meta_data);
+               u16 vtag = meta_data & RX_CMP_FLAGS2_METADATA_VID_MASK;
                u16 vlan_proto = meta_data >> RX_CMP_FLAGS2_METADATA_TPID_SFT;
 
-               if (((features & NETIF_F_HW_VLAN_CTAG_RX) &&
-                    vlan_proto == ETH_P_8021Q) ||
-                   ((features & NETIF_F_HW_VLAN_STAG_RX) &&
-                    vlan_proto == ETH_P_8021AD))
-                       __vlan_hwaccel_put_tag(skb, htons(vlan_proto),
-                                              meta_data &
-                                              RX_CMP_FLAGS2_METADATA_VID_MASK);
+               __vlan_hwaccel_put_tag(skb, htons(vlan_proto), vtag);
        }
 
        skb_checksum_none_assert(skb);
-- 
1.8.3.1