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path: root/drivers/net/vmxnet3/vmxnet3_rxtx.c
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Diffstat (limited to 'drivers/net/vmxnet3/vmxnet3_rxtx.c')
-rw-r--r--drivers/net/vmxnet3/vmxnet3_rxtx.c69
1 files changed, 28 insertions, 41 deletions
diff --git a/drivers/net/vmxnet3/vmxnet3_rxtx.c b/drivers/net/vmxnet3/vmxnet3_rxtx.c
index e865c675..d9cf4373 100644
--- a/drivers/net/vmxnet3/vmxnet3_rxtx.c
+++ b/drivers/net/vmxnet3/vmxnet3_rxtx.c
@@ -593,24 +593,40 @@ static inline void
vmxnet3_renew_desc(vmxnet3_rx_queue_t *rxq, uint8_t ring_id,
struct rte_mbuf *mbuf)
{
- uint32_t val = 0;
+ uint32_t val;
struct vmxnet3_cmd_ring *ring = &rxq->cmd_ring[ring_id];
struct Vmxnet3_RxDesc *rxd =
(struct Vmxnet3_RxDesc *)(ring->base + ring->next2fill);
vmxnet3_buf_info_t *buf_info = &ring->buf_info[ring->next2fill];
- if (ring_id == 0)
+ if (ring_id == 0) {
+ /* Usually: One HEAD type buf per packet
+ * val = (ring->next2fill % rxq->hw->bufs_per_pkt) ?
+ * VMXNET3_RXD_BTYPE_BODY : VMXNET3_RXD_BTYPE_HEAD;
+ */
+
+ /* We use single packet buffer so all heads here */
val = VMXNET3_RXD_BTYPE_HEAD;
- else
+ } else {
+ /* All BODY type buffers for 2nd ring */
val = VMXNET3_RXD_BTYPE_BODY;
+ }
+ /*
+ * Load mbuf pointer into buf_info[ring_size]
+ * buf_info structure is equivalent to cookie for virtio-virtqueue
+ */
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);
+ /* Load Rx Descriptor with the buffer's GPA */
rxd->addr = buf_info->bufPA;
+
+ /* After this point rxd->addr MUST not be NULL */
rxd->btype = val;
rxd->len = buf_info->len;
+ /* Flip gen bit at the end to change ownership */
rxd->gen = ring->gen;
vmxnet3_cmd_ring_adv_next2fill(ring);
@@ -629,28 +645,11 @@ static int
vmxnet3_post_rx_bufs(vmxnet3_rx_queue_t *rxq, uint8_t ring_id)
{
int err = 0;
- uint32_t i = 0, val = 0;
+ uint32_t i = 0;
struct vmxnet3_cmd_ring *ring = &rxq->cmd_ring[ring_id];
- if (ring_id == 0) {
- /* Usually: One HEAD type buf per packet
- * val = (ring->next2fill % rxq->hw->bufs_per_pkt) ?
- * VMXNET3_RXD_BTYPE_BODY : VMXNET3_RXD_BTYPE_HEAD;
- */
-
- /* We use single packet buffer so all heads here */
- val = VMXNET3_RXD_BTYPE_HEAD;
- } else {
- /* All BODY type buffers for 2nd ring */
- val = VMXNET3_RXD_BTYPE_BODY;
- }
-
while (vmxnet3_cmd_ring_desc_avail(ring) > 0) {
- struct Vmxnet3_RxDesc *rxd;
struct rte_mbuf *mbuf;
- vmxnet3_buf_info_t *buf_info = &ring->buf_info[ring->next2fill];
-
- rxd = (struct Vmxnet3_RxDesc *)(ring->base + ring->next2fill);
/* Allocate blank mbuf for the current Rx Descriptor */
mbuf = rte_mbuf_raw_alloc(rxq->mp);
@@ -661,25 +660,7 @@ vmxnet3_post_rx_bufs(vmxnet3_rx_queue_t *rxq, uint8_t ring_id)
break;
}
- /*
- * Load mbuf pointer into buf_info[ring_size]
- * buf_info structure is equivalent to cookie for virtio-virtqueue
- */
- 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);
-
- /* Load Rx Descriptor with the buffer's GPA */
- rxd->addr = buf_info->bufPA;
-
- /* After this point rxd->addr MUST not be NULL */
- rxd->btype = val;
- rxd->len = buf_info->len;
- /* Flip gen bit at the end to change ownership */
- rxd->gen = ring->gen;
-
- vmxnet3_cmd_ring_adv_next2fill(ring);
+ vmxnet3_renew_desc(rxq, ring_id, mbuf);
i++;
}
@@ -800,6 +781,12 @@ vmxnet3_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts, uint16_t nb_pkts)
(int)(rcd - (struct Vmxnet3_RxCompDesc *)
rxq->comp_ring.base), rcd->rxdIdx);
rte_pktmbuf_free_seg(rxm);
+ if (rxq->start_seg) {
+ struct rte_mbuf *start = rxq->start_seg;
+
+ rxq->start_seg = NULL;
+ rte_pktmbuf_free(start);
+ }
goto rcd_done;
}
@@ -901,7 +888,7 @@ vmxnet3_dev_tx_queue_setup(struct rte_eth_dev *dev,
uint16_t queue_idx,
uint16_t nb_desc,
unsigned int socket_id,
- __rte_unused const struct rte_eth_txconf *tx_conf)
+ const struct rte_eth_txconf *tx_conf)
{
struct vmxnet3_hw *hw = dev->data->dev_private;
const struct rte_memzone *mz;