}
#endif
+/* @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_L4CS | FM10K_RXD_STATUS_L4E)))
m->ol_flags |= PKT_RX_L4_CKSUM_BAD;
- if (d->d.staterr & FM10K_RXD_STATUS_VEXT)
- m->ol_flags |= PKT_RX_VLAN_PKT;
-
if (unlikely(d->d.staterr & FM10K_RXD_STATUS_HBO))
m->ol_flags |= PKT_RX_HBUF_OVERFLOW;
#endif
mbuf->hash.rss = desc.d.rss;
+ /**
+ * Packets in fm10k device always carry at least one VLAN tag.
+ * For those packets coming in without VLAN tag,
+ * the port default VLAN tag will be used.
+ * So, always PKT_RX_VLAN_PKT flag is set and vlan_tci
+ * is valid for each RX packet's mbuf.
+ */
+ 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) {
rx_desc_to_ol_flags(first_seg, &desc);
#endif
first_seg->hash.rss = desc.d.rss;
+ /**
+ * Packets in fm10k device always carry at least one VLAN tag.
+ * For those packets coming in without VLAN tag,
+ * the port default VLAN tag will be used.
+ * So, always PKT_RX_VLAN_PKT flag is set and vlan_tci
+ * is valid for each RX packet's mbuf.
+ */
+ 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 nb_rcv;
}
+int
+fm10k_dev_rx_descriptor_done(void *rx_queue, uint16_t offset)
+{
+ volatile union fm10k_rx_desc *rxdp;
+ struct fm10k_rx_queue *rxq = rx_queue;
+ uint16_t desc;
+ int ret;
+
+ if (unlikely(offset >= rxq->nb_desc)) {
+ PMD_DRV_LOG(ERR, "Invalid RX descriptor offset %u", offset);
+ return 0;
+ }
+
+ desc = rxq->next_dd + offset;
+ if (desc >= rxq->nb_desc)
+ desc -= rxq->nb_desc;
+
+ rxdp = &rxq->hw_ring[desc];
+
+ ret = !!(rxdp->w.status &
+ rte_cpu_to_le_16(FM10K_RXD_STATUS_DD));
+
+ 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. */
git.droids-corp.org / dpdk.git / blobdiff