/*-
* BSD LICENSE
*
- * Copyright(c) 2013-2015 Intel Corporation. All rights reserved.
+ * Copyright(c) 2013-2016 Intel Corporation. All rights reserved.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
#include <rte_ethdev.h>
#include <rte_common.h>
+#include <rte_net.h>
#include "fm10k.h"
#include "base/fm10k_type.h"
}
#endif
+#define FM10K_TX_OFFLOAD_MASK ( \
+ PKT_TX_VLAN_PKT | \
+ PKT_TX_IP_CKSUM | \
+ PKT_TX_L4_MASK | \
+ PKT_TX_TCP_SEG)
+
+#define FM10K_TX_OFFLOAD_NOTSUP_MASK \
+ (PKT_TX_OFFLOAD_MASK ^ FM10K_TX_OFFLOAD_MASK)
+
+/* @note: When this function is changed, make corresponding change to
+ * fm10k_dev_supported_ptypes_get()
+ */
static inline void
rx_desc_to_ol_flags(struct rte_mbuf *m, const union fm10k_rx_desc *d)
{
(FM10K_RXD_STATUS_IPCS | FM10K_RXD_STATUS_IPE)) ==
(FM10K_RXD_STATUS_IPCS | FM10K_RXD_STATUS_IPE)))
m->ol_flags |= PKT_RX_IP_CKSUM_BAD;
+ else
+ m->ol_flags |= PKT_RX_IP_CKSUM_GOOD;
if (unlikely((d->d.staterr &
(FM10K_RXD_STATUS_L4CS | FM10K_RXD_STATUS_L4E)) ==
(FM10K_RXD_STATUS_L4CS | FM10K_RXD_STATUS_L4E)))
m->ol_flags |= PKT_RX_L4_CKSUM_BAD;
-
- if (unlikely(d->d.staterr & FM10K_RXD_STATUS_HBO))
- m->ol_flags |= PKT_RX_HBUF_OVERFLOW;
-
- if (unlikely(d->d.staterr & FM10K_RXD_STATUS_RXE))
- m->ol_flags |= PKT_RX_RECIP_ERR;
+ else
+ m->ol_flags |= PKT_RX_L4_CKSUM_GOOD;
}
uint16_t
nb_pkts = RTE_MIN(nb_pkts, q->alloc_thresh);
for (count = 0; count < nb_pkts; ++count) {
+ if (!(q->hw_ring[next_dd].d.staterr & FM10K_RXD_STATUS_DD))
+ break;
mbuf = q->sw_ring[next_dd];
desc = q->hw_ring[next_dd];
- if (!(desc.d.staterr & FM10K_RXD_STATUS_DD))
- break;
#ifdef RTE_LIBRTE_FM10K_DEBUG_RX
dump_rxd(&desc);
#endif
*/
mbuf->ol_flags |= PKT_RX_VLAN_PKT;
mbuf->vlan_tci = desc.w.vlan;
+ /**
+ * mbuf->vlan_tci_outer is an idle field in fm10k driver,
+ * so it can be selected to store sglort value.
+ */
+ if (q->rx_ftag_en)
+ mbuf->vlan_tci_outer = rte_le_to_cpu_16(desc.w.sglort);
rx_pkts[count] = mbuf;
if (++next_dd == q->nb_desc) {
nb_seg = RTE_MIN(nb_pkts, q->alloc_thresh);
for (count = 0; count < nb_seg; count++) {
+ if (!(q->hw_ring[next_dd].d.staterr & FM10K_RXD_STATUS_DD))
+ break;
mbuf = q->sw_ring[next_dd];
desc = q->hw_ring[next_dd];
- if (!(desc.d.staterr & FM10K_RXD_STATUS_DD))
- break;
#ifdef RTE_LIBRTE_FM10K_DEBUG_RX
dump_rxd(&desc);
#endif
*/
first_seg->ol_flags |= PKT_RX_VLAN_PKT;
first_seg->vlan_tci = desc.w.vlan;
+ /**
+ * mbuf->vlan_tci_outer is an idle field in fm10k driver,
+ * so it can be selected to store sglort value.
+ */
+ if (q->rx_ftag_en)
+ first_seg->vlan_tci_outer =
+ rte_le_to_cpu_16(desc.w.sglort);
/* Prefetch data of first segment, if configured to do so. */
rte_packet_prefetch((char *)first_seg->buf_addr +
return ret;
}
+/*
+ * Free multiple TX mbuf at a time if they are in the same pool
+ *
+ * @txep: software desc ring index that starts to free
+ * @num: number of descs to free
+ *
+ */
+static inline void tx_free_bulk_mbuf(struct rte_mbuf **txep, int num)
+{
+ struct rte_mbuf *m, *free[RTE_FM10K_TX_MAX_FREE_BUF_SZ];
+ int i;
+ int nb_free = 0;
+
+ if (unlikely(num == 0))
+ return;
+
+ m = rte_pktmbuf_prefree_seg(txep[0]);
+ if (likely(m != NULL)) {
+ free[0] = m;
+ nb_free = 1;
+ for (i = 1; i < num; i++) {
+ m = rte_pktmbuf_prefree_seg(txep[i]);
+ if (likely(m != NULL)) {
+ if (likely(m->pool == free[0]->pool))
+ free[nb_free++] = m;
+ else {
+ rte_mempool_put_bulk(free[0]->pool,
+ (void *)free, nb_free);
+ free[0] = m;
+ nb_free = 1;
+ }
+ }
+ txep[i] = NULL;
+ }
+ rte_mempool_put_bulk(free[0]->pool, (void **)free, nb_free);
+ } else {
+ for (i = 1; i < num; i++) {
+ m = rte_pktmbuf_prefree_seg(txep[i]);
+ if (m != NULL)
+ rte_mempool_put(m->pool, m);
+ txep[i] = NULL;
+ }
+ }
+}
+
static inline void tx_free_descriptors(struct fm10k_tx_queue *q)
{
uint16_t next_rs, count = 0;
* including nb_desc */
if (q->last_free > next_rs) {
count = q->nb_desc - q->last_free;
- while (q->last_free < q->nb_desc) {
- rte_pktmbuf_free_seg(q->sw_ring[q->last_free]);
- q->sw_ring[q->last_free] = NULL;
- ++q->last_free;
- }
+ tx_free_bulk_mbuf(&q->sw_ring[q->last_free], count);
q->last_free = 0;
}
q->nb_free += count + (next_rs + 1 - q->last_free);
/* free buffers from last_free, up to and including next_rs */
- while (q->last_free <= next_rs) {
- rte_pktmbuf_free_seg(q->sw_ring[q->last_free]);
- q->sw_ring[q->last_free] = NULL;
- ++q->last_free;
+ if (q->last_free <= next_rs) {
+ count = next_rs - q->last_free + 1;
+ tx_free_bulk_mbuf(&q->sw_ring[q->last_free], count);
+ q->last_free += count;
}
if (q->last_free == q->nb_desc)
q->nb_free -= mb->nb_segs;
q->hw_ring[q->next_free].flags = 0;
+ if (q->tx_ftag_en)
+ q->hw_ring[q->next_free].flags |= FM10K_TXD_FLAG_FTAG;
/* set checksum flags on first descriptor of packet. SCTP checksum
* offload is not supported, but we do not explicitly check for this
* case in favor of greatly simplified processing. */
return count;
}
+
+uint16_t
+fm10k_prep_pkts(__rte_unused void *tx_queue, struct rte_mbuf **tx_pkts,
+ uint16_t nb_pkts)
+{
+ int i, ret;
+ struct rte_mbuf *m;
+
+ for (i = 0; i < nb_pkts; i++) {
+ m = tx_pkts[i];
+
+ if ((m->ol_flags & PKT_TX_TCP_SEG) &&
+ (m->tso_segsz < FM10K_TSO_MINMSS)) {
+ rte_errno = -EINVAL;
+ return i;
+ }
+
+ if (m->ol_flags & FM10K_TX_OFFLOAD_NOTSUP_MASK) {
+ rte_errno = -ENOTSUP;
+ return i;
+ }
+
+#ifdef RTE_LIBRTE_ETHDEV_DEBUG
+ ret = rte_validate_tx_offload(m);
+ if (ret != 0) {
+ rte_errno = ret;
+ return i;
+ }
+#endif
+ ret = rte_net_intel_cksum_prepare(m);
+ if (ret != 0) {
+ rte_errno = ret;
+ return i;
+ }
+ }
+
+ return i;
+}
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