X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=drivers%2Fnet%2Fsfc%2Fsfc_tx.c;h=e1ef00cc7c61b884f43115c5c698734fac1bce9d;hb=ef74b5f7b69b9502ddab81121611243efcfe1dde;hp=4b1f94ce8d87b6d69515eba90bd9d054ae2005f5;hpb=ac30699e9cfbb58faeca82ac6d122baf2d61b480;p=dpdk.git

diff --git a/drivers/net/sfc/sfc_tx.c b/drivers/net/sfc/sfc_tx.c
index 4b1f94ce8d..e1ef00cc7c 100644
--- a/drivers/net/sfc/sfc_tx.c
+++ b/drivers/net/sfc/sfc_tx.c
@@ -70,6 +70,10 @@ sfc_tx_get_queue_offload_caps(struct sfc_adapter *sa)
 	if (sa->tso)
 		caps |= DEV_TX_OFFLOAD_TCP_TSO;
 
+	if (sa->tso_encap)
+		caps |= (DEV_TX_OFFLOAD_VXLAN_TNL_TSO |
+			 DEV_TX_OFFLOAD_GENEVE_TNL_TSO);
+
 	return caps;
 }
 
@@ -469,7 +473,9 @@ sfc_tx_qstart(struct sfc_adapter *sa, unsigned int sw_index)
 			flags |= EFX_TXQ_CKSUM_INNER_TCPUDP;
 	}
 
-	if (txq_info->offloads & DEV_TX_OFFLOAD_TCP_TSO)
+	if (txq_info->offloads & (DEV_TX_OFFLOAD_TCP_TSO |
+				  DEV_TX_OFFLOAD_VXLAN_TNL_TSO |
+				  DEV_TX_OFFLOAD_GENEVE_TNL_TSO))
 		flags |= EFX_TXQ_FATSOV2;
 
 	rc = efx_tx_qcreate(sa->nic, txq->hw_index, 0, &txq->mem,
@@ -588,18 +594,25 @@ int
 sfc_tx_start(struct sfc_adapter *sa)
 {
 	struct sfc_adapter_shared * const sas = sfc_sa2shared(sa);
+	const efx_nic_cfg_t *encp = efx_nic_cfg_get(sa->nic);
 	unsigned int sw_index;
 	int rc = 0;
 
 	sfc_log_init(sa, "txq_count = %u", sas->txq_count);
 
 	if (sa->tso) {
-		if (!efx_nic_cfg_get(sa->nic)->enc_fw_assisted_tso_v2_enabled) {
+		if (!encp->enc_fw_assisted_tso_v2_enabled) {
 			sfc_warn(sa, "TSO support was unable to be restored");
 			sa->tso = B_FALSE;
+			sa->tso_encap = B_FALSE;
 		}
 	}
 
+	if (sa->tso_encap && !encp->enc_fw_assisted_tso_v2_encap_enabled) {
+		sfc_warn(sa, "Encapsulated TSO support was unable to be restored");
+		sa->tso_encap = B_FALSE;
+	}
+
 	rc = efx_tx_init(sa->nic);
 	if (rc != 0)
 		goto fail_efx_tx_init;
@@ -697,6 +710,36 @@ sfc_efx_tx_maybe_insert_tag(struct sfc_efx_txq *txq, struct rte_mbuf *m,
 	return 1;
 }
 
+static uint16_t
+sfc_efx_prepare_pkts(void *tx_queue, struct rte_mbuf **tx_pkts,
+		     uint16_t nb_pkts)
+{
+	struct sfc_dp_txq *dp_txq = tx_queue;
+	struct sfc_efx_txq *txq = sfc_efx_txq_by_dp_txq(dp_txq);
+	const efx_nic_cfg_t *encp = efx_nic_cfg_get(txq->evq->sa->nic);
+	uint16_t i;
+
+	for (i = 0; i < nb_pkts; i++) {
+		int ret;
+
+		/*
+		 * EFX Tx datapath may require extra VLAN descriptor if VLAN
+		 * insertion offload is requested regardless the offload
+		 * requested/supported.
+		 */
+		ret = sfc_dp_tx_prepare_pkt(tx_pkts[i],
+				encp->enc_tx_tso_tcp_header_offset_limit,
+				txq->max_fill_level, EFX_TX_FATSOV2_OPT_NDESCS,
+				1);
+		if (unlikely(ret != 0)) {
+			rte_errno = ret;
+			break;
+		}
+	}
+
+	return i;
+}
+
 static uint16_t
 sfc_efx_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts, uint16_t nb_pkts)
 {
@@ -757,14 +800,10 @@ sfc_efx_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts, uint16_t nb_pkts)
 			 */
 			if (sfc_efx_tso_do(txq, added, &m_seg, &in_off, &pend,
 					   &pkt_descs, &pkt_len) != 0) {
-				/* We may have reached this place for
-				 * one of the following reasons:
-				 *
-				 * 1) Packet header linearization is needed
-				 *    and the header length is greater
-				 *    than SFC_TSOH_STD_LEN
-				 * 2) TCP header starts at more then
-				 *    208 bytes into the frame
+				/* We may have reached this place if packet
+				 * header linearization is needed but the
+				 * header length is greater than
+				 * SFC_TSOH_STD_LEN
 				 *
 				 * We will deceive RTE saying that we have sent
 				 * the packet, but we will actually drop it.
@@ -1122,5 +1161,6 @@ struct sfc_dp_tx sfc_efx_tx = {
 	.qstop			= sfc_efx_tx_qstop,
 	.qreap			= sfc_efx_tx_qreap,
 	.qdesc_status		= sfc_efx_tx_qdesc_status,
+	.pkt_prepare		= sfc_efx_prepare_pkts,
 	.pkt_burst		= sfc_efx_xmit_pkts,
 };