net/sfc: support tunnel TSO on EF10 native Tx datapath

[dpdk.git] / drivers / net / sfc / sfc_dp_tx.h

diff --git a/drivers/net/sfc/sfc_dp_tx.h b/drivers/net/sfc/sfc_dp_tx.h
index ae5524f..72a6914 100644 (file)
--- a/drivers/net/sfc/sfc_dp_tx.h
+++ b/drivers/net/sfc/sfc_dp_tx.h
@@ -163,6 +163,7 @@ struct sfc_dp_tx {
 #define SFC_DP_TX_FEAT_MULTI_PROCESS   0x8
 #define SFC_DP_TX_FEAT_MULTI_POOL      0x10
 #define SFC_DP_TX_FEAT_REFCNT          0x20
+#define SFC_DP_TX_FEAT_TSO_ENCAP       0x40
        sfc_dp_tx_get_dev_info_t        *get_dev_info;
        sfc_dp_tx_qsize_up_rings_t      *qsize_up_rings;
        sfc_dp_tx_qcreate_t             *qcreate;
@@ -220,7 +221,22 @@ sfc_dp_tx_prepare_pkt(struct rte_mbuf *m,
 
        if (m->ol_flags & PKT_TX_TCP_SEG) {
                unsigned int tcph_off = m->l2_len + m->l3_len;
-               unsigned int header_len = tcph_off + m->l4_len;
+               unsigned int header_len;
+
+               switch (m->ol_flags & PKT_TX_TUNNEL_MASK) {
+               case 0:
+                       break;
+               case PKT_TX_TUNNEL_VXLAN:
+                       /* FALLTHROUGH */
+               case PKT_TX_TUNNEL_GENEVE:
+                       if (!(m->ol_flags &
+                             (PKT_TX_OUTER_IPV4 | PKT_TX_OUTER_IPV6)))
+                               return EINVAL;
+
+                       tcph_off += m->outer_l2_len + m->outer_l3_len;
+               }
+
+               header_len = tcph_off + m->l4_len;
 
                if (unlikely(tcph_off > tso_tcp_header_offset_limit))
                        return EINVAL;