net/bnxt: support for QinQ insertion and stripping

[dpdk.git] / drivers / net / bnxt / bnxt_txr.c

diff --git a/drivers/net/bnxt/bnxt_txr.c b/drivers/net/bnxt/bnxt_txr.c
index 99d2009..0ed6581 100644 (file)
--- a/drivers/net/bnxt/bnxt_txr.c
+++ b/drivers/net/bnxt/bnxt_txr.c
@@ -134,6 +134,7 @@ static uint16_t bnxt_start_xmit(struct rte_mbuf *tx_pkt,
                                struct tx_bd_long **last_txbd)
 {
        struct bnxt_tx_ring_info *txr = txq->tx_ring;
+       uint32_t outer_tpid_bd = 0;
        struct tx_bd_long *txbd;
        struct tx_bd_long_hi *txbd1 = NULL;
        uint32_t vlan_tag_flags, cfa_action;
@@ -155,7 +156,8 @@ static uint16_t bnxt_start_xmit(struct rte_mbuf *tx_pkt,
                                PKT_TX_UDP_CKSUM | PKT_TX_IP_CKSUM |
                                PKT_TX_VLAN_PKT | PKT_TX_OUTER_IP_CKSUM |
                                PKT_TX_TUNNEL_GRE | PKT_TX_TUNNEL_VXLAN |
-                               PKT_TX_TUNNEL_GENEVE | PKT_TX_IEEE1588_TMST))
+                               PKT_TX_TUNNEL_GENEVE | PKT_TX_IEEE1588_TMST |
+                               PKT_TX_QINQ_PKT))
                long_bd = true;
 
        nr_bds = long_bd + tx_pkt->nb_segs;
@@ -209,7 +211,14 @@ static uint16_t bnxt_start_xmit(struct rte_mbuf *tx_pkt,
                txbd->flags_type |= TX_BD_LONG_TYPE_TX_BD_LONG;
                vlan_tag_flags = 0;
                cfa_action = 0;
-               if (tx_buf->mbuf->ol_flags & PKT_TX_VLAN_PKT) {
+               /* HW can accelerate only outer vlan in QinQ mode */
+               if (tx_buf->mbuf->ol_flags & PKT_TX_QINQ_PKT) {
+                       vlan_tag_flags = TX_BD_LONG_CFA_META_KEY_VLAN_TAG |
+                               tx_buf->mbuf->vlan_tci_outer;
+                       outer_tpid_bd = txq->bp->outer_tpid_bd &
+                               BNXT_OUTER_TPID_BD_MASK;
+                       vlan_tag_flags |= outer_tpid_bd;
+               } else if (tx_buf->mbuf->ol_flags & PKT_TX_VLAN_PKT) {
                        /* shurd: Should this mask at
                         * TX_BD_LONG_CFA_META_VLAN_VID_MASK?
                         */