From: Pascal Mazon Date: Thu, 30 Mar 2017 08:52:48 +0000 (+0200) Subject: net/tap: remove minimum packet size in Rx X-Git-Url: http://git.droids-corp.org/?a=commitdiff_plain;h=f279f6f2bd90d3cff1eca09cf60342ea33bb3ec6;p=dpdk.git net/tap: remove minimum packet size in Rx With support for segmented packets, it is now possible to easily receive packets of many sizes, given an adequate number of descriptors. Remove limitation on the minimum size of mbuf: on reception, if a packet won't fit in the queue's mbufs, it will be detected in the packet info and the packet will be discarded. Fixes: 0781f5762cfe ("net/tap: support segmented mbufs") Signed-off-by: Pascal Mazon Acked-by: Keith Wiles --- diff --git a/drivers/net/tap/rte_eth_tap.c b/drivers/net/tap/rte_eth_tap.c index 6567bba75b..d8322e8e8f 100644 --- a/drivers/net/tap/rte_eth_tap.c +++ b/drivers/net/tap/rte_eth_tap.c @@ -860,7 +860,6 @@ tap_rx_queue_setup(struct rte_eth_dev *dev, struct rte_mbuf **tmp = &rxq->pool; struct iovec (*iovecs)[nb_rx_desc + 1]; int data_off = RTE_PKTMBUF_HEADROOM; - uint16_t buf_size; int ret = 0; int fd; int i; @@ -886,18 +885,6 @@ tap_rx_queue_setup(struct rte_eth_dev *dev, } rxq->iovecs = iovecs; - /* Now get the space available for data in the mbuf */ - buf_size = (uint16_t)(rte_pktmbuf_data_room_size(mp) - - RTE_PKTMBUF_HEADROOM); - - if (buf_size < ETH_FRAME_LEN) { - RTE_LOG(WARNING, PMD, - "%s: %d bytes will not fit in mbuf (%d bytes)\n", - dev->data->name, ETH_FRAME_LEN, buf_size); - ret = -ENOMEM; - goto error; - } - fd = rx_setup_queue(dev, internals, rx_queue_id); if (fd == -1) { ret = fd;