mbuf: get DMA address
[dpdk.git] / drivers / net / vmxnet3 / vmxnet3_rxtx.c
index fc15d89..8385478 100644 (file)
 #include "vmxnet3_logs.h"
 #include "vmxnet3_ethdev.h"
 
-#define RTE_MBUF_DATA_DMA_ADDR(mb) \
-       (uint64_t) ((mb)->buf_physaddr + (mb)->data_off)
+static const uint32_t rxprod_reg[2] = {VMXNET3_REG_RXPROD, VMXNET3_REG_RXPROD2};
 
-#define RTE_MBUF_DATA_DMA_ADDR_DEFAULT(mb) \
-       (uint64_t) ((mb)->buf_physaddr + RTE_PKTMBUF_HEADROOM)
-
-static uint32_t rxprod_reg[2] = {VMXNET3_REG_RXPROD, VMXNET3_REG_RXPROD2};
-
-static inline int vmxnet3_post_rx_bufs(vmxnet3_rx_queue_t* , uint8_t);
-static inline void vmxnet3_tq_tx_complete(vmxnet3_tx_queue_t *);
+static int vmxnet3_post_rx_bufs(vmxnet3_rx_queue_t*, uint8_t);
+static void vmxnet3_tq_tx_complete(vmxnet3_tx_queue_t *);
 #ifdef RTE_LIBRTE_VMXNET3_DEBUG_DRIVER_NOT_USED
 static void vmxnet3_rxq_dump(struct vmxnet3_rx_queue *);
 static void vmxnet3_txq_dump(struct vmxnet3_tx_queue *);
 #endif
 
-static inline struct rte_mbuf *
+static struct rte_mbuf *
 rte_rxmbuf_alloc(struct rte_mempool *mp)
 {
        struct rte_mbuf *m;
@@ -156,7 +150,7 @@ vmxnet3_txq_dump(struct vmxnet3_tx_queue *txq)
 }
 #endif
 
-static inline void
+static void
 vmxnet3_cmd_ring_release_mbufs(vmxnet3_cmd_ring_t *ring)
 {
        while (ring->next2comp != ring->next2fill) {
@@ -295,7 +289,7 @@ vmxnet3_dev_clear_queues(struct rte_eth_dev *dev)
        }
 }
 
-static inline void
+static void
 vmxnet3_tq_tx_complete(vmxnet3_tx_queue_t *txq)
 {
        int completed = 0;
@@ -306,9 +300,7 @@ vmxnet3_tq_tx_complete(vmxnet3_tx_queue_t *txq)
 
        while (tcd->gen == comp_ring->gen) {
                /* Release cmd_ring descriptor and free mbuf */
-#ifdef RTE_LIBRTE_VMXNET3_DEBUG_DRIVER
                VMXNET3_ASSERT(txq->cmd_ring.base[tcd->txdIdx].txd.eop == 1);
-#endif
                while (txq->cmd_ring.next2comp != tcd->txdIdx) {
                        mbuf = txq->cmd_ring.buf_info[txq->cmd_ring.next2comp].m;
                        txq->cmd_ring.buf_info[txq->cmd_ring.next2comp].m = NULL;
@@ -379,7 +371,7 @@ vmxnet3_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts,
                           transmit buffer size (16K) is greater than
                           maximum sizeof mbuf segment size. */
                        gdesc = txq->cmd_ring.base + txq->cmd_ring.next2fill;
-                       gdesc->txd.addr = RTE_MBUF_DATA_DMA_ADDR(m_seg);
+                       gdesc->txd.addr = rte_mbuf_data_dma_addr(m_seg);
                        gdesc->dword[2] = dw2 | m_seg->data_len;
                        gdesc->dword[3] = 0;
 
@@ -434,7 +426,7 @@ vmxnet3_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts,
  *      only for LRO.
  *
  */
-static inline int
+static int
 vmxnet3_post_rx_bufs(vmxnet3_rx_queue_t *rxq, uint8_t ring_id)
 {
        int err = 0;
@@ -477,7 +469,8 @@ vmxnet3_post_rx_bufs(vmxnet3_rx_queue_t *rxq, uint8_t ring_id)
                buf_info->m = mbuf;
                buf_info->len = (uint16_t)(mbuf->buf_len -
                                           RTE_PKTMBUF_HEADROOM);
-               buf_info->bufPA = RTE_MBUF_DATA_DMA_ADDR_DEFAULT(mbuf);
+               buf_info->bufPA =
+                       rte_mbuf_data_dma_addr_default(mbuf);
 
                /* Load Rx Descriptor with the buffer's GPA */
                rxd->addr = buf_info->bufPA;
@@ -499,6 +492,43 @@ vmxnet3_post_rx_bufs(vmxnet3_rx_queue_t *rxq, uint8_t ring_id)
                return i;
 }
 
+
+/* Receive side checksum and other offloads */
+static void
+vmxnet3_rx_offload(const Vmxnet3_RxCompDesc *rcd, struct rte_mbuf *rxm)
+{
+       /* Check for hardware stripped VLAN tag */
+       if (rcd->ts) {
+               rxm->ol_flags |= PKT_RX_VLAN_PKT;
+               rxm->vlan_tci = rte_le_to_cpu_16((uint16_t)rcd->tci);
+       }
+
+       /* Check for RSS */
+       if (rcd->rssType != VMXNET3_RCD_RSS_TYPE_NONE) {
+               rxm->ol_flags |= PKT_RX_RSS_HASH;
+               rxm->hash.rss = rcd->rssHash;
+       }
+
+       /* Check packet type, checksum errors, etc. Only support IPv4 for now. */
+       if (rcd->v4) {
+               struct ether_hdr *eth = rte_pktmbuf_mtod(rxm, struct ether_hdr *);
+               struct ipv4_hdr *ip = (struct ipv4_hdr *)(eth + 1);
+
+               if (((ip->version_ihl & 0xf) << 2) > (int)sizeof(struct ipv4_hdr))
+                       rxm->packet_type = RTE_PTYPE_L3_IPV4_EXT;
+               else
+                       rxm->packet_type = RTE_PTYPE_L3_IPV4;
+
+               if (!rcd->cnc) {
+                       if (!rcd->ipc)
+                               rxm->ol_flags |= PKT_RX_IP_CKSUM_BAD;
+
+                       if ((rcd->tcp || rcd->udp) && !rcd->tuc)
+                               rxm->ol_flags |= PKT_RX_L4_CKSUM_BAD;
+               }
+       }
+}
+
 /*
  * Process the Rx Completion Ring of given vmxnet3_rx_queue
  * for nb_pkts burst and return the number of packets received
@@ -548,16 +578,13 @@ vmxnet3_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts, uint16_t nb_pkts)
 
                PMD_RX_LOG(DEBUG, "rxd idx: %d ring idx: %d.", idx, ring_idx);
 
-#ifdef RTE_LIBRTE_VMXNET3_DEBUG_DRIVER
                VMXNET3_ASSERT(rcd->len <= rxd->len);
                VMXNET3_ASSERT(rbi->m);
-#endif
+
                if (unlikely(rcd->len == 0)) {
                        PMD_RX_LOG(DEBUG, "Rx buf was skipped. rxring[%d][%d]\n)",
                                   ring_idx, idx);
-#ifdef RTE_LIBRTE_VMXNET3_DEBUG_DRIVER
                        VMXNET3_ASSERT(rcd->sop && rcd->eop);
-#endif
                        rte_pktmbuf_free_seg(rbi->m);
                        goto rcd_done;
                }
@@ -570,9 +597,8 @@ vmxnet3_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts, uint16_t nb_pkts)
                        rte_pktmbuf_free_seg(rbi->m);
                        goto rcd_done;
                }
-#ifdef RTE_LIBRTE_VMXNET3_DEBUG_DRIVER
                VMXNET3_ASSERT(rxd->btype == VMXNET3_RXD_BTYPE_HEAD);
-#endif
+
                /* Get the packet buffer pointer from buf_info */
                rxm = rbi->m;
 
@@ -599,17 +625,6 @@ vmxnet3_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts, uint16_t nb_pkts)
                        goto rcd_done;
                }
 
-               /* Check for hardware stripped VLAN tag */
-               if (rcd->ts) {
-                       PMD_RX_LOG(DEBUG, "Received packet with vlan ID: %d.",
-                                  rcd->tci);
-                       rxm->ol_flags = PKT_RX_VLAN_PKT;
-                       /* Copy vlan tag in packet buffer */
-                       rxm->vlan_tci = rte_le_to_cpu_16((uint16_t)rcd->tci);
-               } else {
-                       rxm->ol_flags = 0;
-                       rxm->vlan_tci = 0;
-               }
 
                /* Initialize newly received packet buffer */
                rxm->port = rxq->port_id;
@@ -618,25 +633,10 @@ vmxnet3_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts, uint16_t nb_pkts)
                rxm->pkt_len = (uint16_t)rcd->len;
                rxm->data_len = (uint16_t)rcd->len;
                rxm->data_off = RTE_PKTMBUF_HEADROOM;
+               rxm->ol_flags = 0;
+               rxm->vlan_tci = 0;
 
-               /* Check packet type, checksum errors, etc. Only support IPv4 for now. */
-               if (rcd->v4) {
-                       struct ether_hdr *eth = rte_pktmbuf_mtod(rxm, struct ether_hdr *);
-                       struct ipv4_hdr *ip = (struct ipv4_hdr *)(eth + 1);
-
-                       if (((ip->version_ihl & 0xf) << 2) > (int)sizeof(struct ipv4_hdr))
-                               rxm->ol_flags |= PKT_RX_IPV4_HDR_EXT;
-                       else
-                               rxm->ol_flags |= PKT_RX_IPV4_HDR;
-
-                       if (!rcd->cnc) {
-                               if (!rcd->ipc)
-                                       rxm->ol_flags |= PKT_RX_IP_CKSUM_BAD;
-
-                               if ((rcd->tcp || rcd->udp) && !rcd->tuc)
-                                       rxm->ol_flags |= PKT_RX_L4_CKSUM_BAD;
-                       }
-               }
+               vmxnet3_rx_offload(rcd, rxm);
 
                rx_pkts[nb_rx++] = rxm;
 rcd_done: