net/sfc: move TSO header checks from Tx burst to Tx prepare

[dpdk.git] / drivers / net / sfc / sfc_tx.c

diff --git a/drivers/net/sfc/sfc_tx.c b/drivers/net/sfc/sfc_tx.c
index 16fd220..e128bff 100644 (file)
--- a/drivers/net/sfc/sfc_tx.c
+++ b/drivers/net/sfc/sfc_tx.c
@@ -698,15 +698,19 @@ sfc_efx_tx_maybe_insert_tag(struct sfc_efx_txq *txq, struct rte_mbuf *m,
 }
 
 static uint16_t
-sfc_efx_prepare_pkts(__rte_unused void *tx_queue, struct rte_mbuf **tx_pkts,
+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;
 
-               ret = sfc_dp_tx_prepare_pkt(tx_pkts[i]);
+               ret = sfc_dp_tx_prepare_pkt(tx_pkts[i],
+                               encp->enc_tx_tso_tcp_header_offset_limit);
                if (unlikely(ret != 0)) {
                        rte_errno = ret;
                        break;
@@ -776,14 +780,10 @@ 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.