Re: [dpdk-dev] [PATCH v3] net/af_packet: support Tx scattered mbuf input

2017-09-05 Thread Ferruh Yigit 
On 8/18/2017 3:10 PM, Ferruh Yigit wrote:
> On 8/7/2017 10:45 AM, Wenfeng Liu wrote:
>> Signed-off-by: Wenfeng Liu 
> 
> Reviewed-by: Ferruh Yigit 

Applied to dpdk-next-net/master, thanks.

Re: [dpdk-dev] [PATCH v3] net/af_packet: support Tx scattered mbuf input

2017-08-18 Thread Ferruh Yigit 
On 8/7/2017 10:45 AM, Wenfeng Liu wrote:
> Signed-off-by: Wenfeng Liu 

Reviewed-by: Ferruh Yigit

[dpdk-dev] [PATCH v3] net/af_packet: support Tx scattered mbuf input

2017-08-07 Thread Wenfeng Liu 
Signed-off-by: Wenfeng Liu 
---
v3:
* Remove trailing whitespace

v2:
* Fixed coding style issues reported by checkpatch

 drivers/net/af_packet/rte_eth_af_packet.c | 15 ---
 1 file changed, 12 insertions(+), 3 deletions(-)

diff --git a/drivers/net/af_packet/rte_eth_af_packet.c 
b/drivers/net/af_packet/rte_eth_af_packet.c
index 9a47852..7aa26e5 100644
--- a/drivers/net/af_packet/rte_eth_af_packet.c
+++ b/drivers/net/af_packet/rte_eth_af_packet.c
@@ -216,7 +216,7 @@ struct pmd_internals {
mbuf = *bufs++;
 
/* drop oversized packets */
-   if (rte_pktmbuf_data_len(mbuf) > pkt_q->frame_data_size) {
+   if (mbuf->pkt_len > pkt_q->frame_data_size) {
rte_pktmbuf_free(mbuf);
continue;
}
@@ -237,8 +237,17 @@ struct pmd_internals {
/* copy the tx frame data */
pbuf = (uint8_t *) ppd + TPACKET2_HDRLEN -
sizeof(struct sockaddr_ll);
-   memcpy(pbuf, rte_pktmbuf_mtod(mbuf, void*), 
rte_pktmbuf_data_len(mbuf));
-   ppd->tp_len = ppd->tp_snaplen = rte_pktmbuf_data_len(mbuf);
+
+   struct rte_mbuf *tmp_mbuf = mbuf;
+   while (tmp_mbuf) {
+   uint16_t data_len = rte_pktmbuf_data_len(tmp_mbuf);
+   memcpy(pbuf, rte_pktmbuf_mtod(tmp_mbuf, void*), 
data_len);
+   pbuf += data_len;
+   tmp_mbuf = tmp_mbuf->next;
+   }
+
+   ppd->tp_len = mbuf->pkt_len;
+   ppd->tp_snaplen = mbuf->pkt_len;
 
/* release incoming frame and advance ring buffer */
ppd->tp_status = TP_STATUS_SEND_REQUEST;
-- 
1.8.3.1