[dpdk-dev] [virtio-net-pmd PATCH v2 14/17] pmd: adapt to new rte_mbuf structure
Olivier Matz
olivier.matz at 6wind.com
Mon May 19 15:56:26 CEST 2014
The rte_mbuf structure is modified by the following commits in dpdk:
mbuf: rename vlan_macip_len in hw_offload and increase its size
mbuf: change ol_flags to 32 bits
mbuf: replace data pointer by an offset
mbuf: merge physaddr and buf_len in a bitfield
mbuf: remove the rte_pktmbuf structure
mbuf: remove rte_ctrlmbuf
We need to modify to conform to this new struct.
Signed-off-by: Olivier Matz <olivier.matz at 6wind.com>
---
virtio_user.c | 44 +++++++++++++++++++++-----------------------
1 file changed, 21 insertions(+), 23 deletions(-)
diff --git a/virtio_user.c b/virtio_user.c
index 4e73aa3..5df7dde 100644
--- a/virtio_user.c
+++ b/virtio_user.c
@@ -192,11 +192,11 @@ struct virtio_pmd_ctrl {
typedef struct igb_tx_queue rte_txq_t;
typedef struct igb_rx_queue rte_rxq_t;
/* until dpdk-1.3, bit-fields vlan_macip are flat in rte_pktmbuf */
-#define RTE_MBUF_VLAN_MAC_IP(m) (m)->pkt.vlan_tci
+#define RTE_MBUF_VLAN_MAC_IP(m) (m)->vlan_tci
#else /* since dpdk-1.3 */
typedef void rte_txq_t;
typedef void rte_rxq_t;
-#define RTE_MBUF_VLAN_MAC_IP(m) (m)->pkt.vlan_macip.f.vlan_tci
+#define RTE_MBUF_VLAN_MAC_IP(m) (m)->hw_offload.vlan_tci
#endif
/* This part is taken from ixgbe and igb pmd drivers. */
@@ -205,14 +205,12 @@ rte_rxmbuf_alloc(struct rte_mempool* mp)
{
struct rte_mbuf *m;
m = __rte_mbuf_raw_alloc(mp);
- __rte_mbuf_sanity_check(m, RTE_MBUF_PKT, 0);
+ __rte_mbuf_sanity_check(m, 0);
return m;
}
#define RTE_MBUF_DATA_DMA_ADDR(mb) \
- ((uint64_t)(mb)->pkt.data - \
- (uint64_t)(mb)->buf_addr) + \
- (mb)->buf_physaddr
+ (uint64_t) ((mb)->buf_physaddr + (mb)->data_off)
static inline int
virtio_has_feature(const struct virtio_net_adapter* adapter,
@@ -442,7 +440,7 @@ virtio_recv_buf(rte_rxq_t *rxq, struct rte_mbuf **rx_pkts, uint16_t nb_pkts)
i = idx;
buf = (struct rte_mbuf*)rq->user[i];
- buf->pkt.data = ((char *)buf->buf_addr + RTE_PKTMBUF_HEADROOM);
+ buf->data_off = RTE_PKTMBUF_HEADROOM;
ptr = (struct virtio_pmd_net_hdr*)
((char*)buf->buf_addr + hdr_offt);
@@ -460,11 +458,11 @@ virtio_recv_buf(rte_rxq_t *rxq, struct rte_mbuf **rx_pkts, uint16_t nb_pkts)
rq->last_used++;
rq->freeslots++;
- buf->pkt.nb_segs = n_frag;
- buf->pkt.next = NULL;
- buf->pkt.pkt_len = len;
- buf->pkt.data_len = len;
- buf->pkt.in_port = rq->port_id;
+ buf->nb_segs = n_frag;
+ buf->next = NULL;
+ buf->pkt_len = len;
+ buf->data_len = len;
+ buf->in_port = rq->port_id;
buf->ol_flags = 0; /* RSS - FDIR // Error */
RTE_MBUF_VLAN_MAC_IP(buf) = 0;
@@ -485,17 +483,17 @@ virtio_recv_buf(rte_rxq_t *rxq, struct rte_mbuf **rx_pkts, uint16_t nb_pkts)
i = idx;
buf = (struct rte_mbuf*)rq->user[i];
- buf->pkt.data = ((char *)buf->buf_addr + hdr_offt);
+ buf->data_off = hdr_offt;
- buf->pkt.next = NULL;
- buf->pkt.data_len = len;
+ buf->next = NULL;
+ buf->data_len = len;
/* New tail */
- cur_seg->pkt.next = buf;
+ cur_seg->next = buf;
cur_seg = buf;
/* Update head pkt_len */
- rx_pkts[completed]->pkt.pkt_len += len;
+ rx_pkts[completed]->pkt_len += len;
rq->vr.desc[i].next = rq->head;
rq->head = idx;
@@ -505,7 +503,7 @@ virtio_recv_buf(rte_rxq_t *rxq, struct rte_mbuf **rx_pkts, uint16_t nb_pkts)
n_frag--;
}
- rq->stats.ibytes += rx_pkts[completed]->pkt.pkt_len;
+ rq->stats.ibytes += rx_pkts[completed]->pkt_len;
rq->stats.ipackets++;
completed++;
}
@@ -613,11 +611,11 @@ static inline int
virtio_send_packet(struct virtio_net_vring* tq, struct rte_mbuf* mbuf)
{
unsigned int head, prev, i, avail;
- unsigned int nseg = mbuf->pkt.nb_segs;
+ unsigned int nseg = mbuf->nb_segs;
struct rte_mbuf* cur = mbuf;
unsigned int hdr_len;
unsigned long hdr_phys;
- uint32_t len = mbuf->pkt.pkt_len;
+ uint32_t len = mbuf->pkt_len;
/* No need to send empty packets. */
if (len == 0) {
@@ -642,13 +640,13 @@ virtio_send_packet(struct virtio_net_vring* tq, struct rte_mbuf* mbuf)
tq->vr.desc[head].len = hdr_len;
tq->user[head] = NULL;
- for (i = tq->vr.desc[head].next; nseg > 0; nseg--, cur = cur->pkt.next) {
- if (!cur->pkt.data_len) {
+ for (i = tq->vr.desc[head].next; nseg > 0; nseg--, cur = cur->next) {
+ if (!cur->data_len) {
continue;
}
tq->vr.desc[i].flags = VRING_DESC_F_NEXT;
tq->vr.desc[i].addr = RTE_MBUF_DATA_DMA_ADDR(cur);
- tq->vr.desc[i].len = cur->pkt.data_len;
+ tq->vr.desc[i].len = cur->data_len;
tq->user[i] = cur;
prev = i;
i = tq->vr.desc[i].next;
--
1.9.2
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