-/*-
- * BSD LICENSE
- *
- * Copyright(c) 2014 John W. Linville <linville@tuxdriver.com>
- *
- * Originally based upon librte_pmd_pcap code:
- *
- * Copyright(c) 2010-2015 Intel Corporation. All rights reserved.
- * Copyright(c) 2014 6WIND S.A.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * * Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- * * Neither the name of Intel Corporation nor the names of its
- * contributors may be used to endorse or promote products derived
- * from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2014 John W. Linville <linville@tuxdriver.com>
+ * Originally based upon librte_pmd_pcap code:
+ * Copyright(c) 2010-2015 Intel Corporation.
+ * Copyright(c) 2014 6WIND S.A.
+ * All rights reserved.
*/
#include <rte_mbuf.h>
-#include <rte_ethdev.h>
+#include <rte_ethdev_driver.h>
#include <rte_ethdev_vdev.h>
#include <rte_malloc.h>
#include <rte_kvargs.h>
-#include <rte_vdev.h>
+#include <rte_bus_vdev.h>
#include <linux/if_ether.h>
#include <linux/if_packet.h>
#define ETH_AF_PACKET_BLOCKSIZE_ARG "blocksz"
#define ETH_AF_PACKET_FRAMESIZE_ARG "framesz"
#define ETH_AF_PACKET_FRAMECOUNT_ARG "framecnt"
+#define ETH_AF_PACKET_QDISC_BYPASS_ARG "qdisc_bypass"
#define DFLT_BLOCK_SIZE (1 << 12)
#define DFLT_FRAME_SIZE (1 << 11)
unsigned int framenum;
struct rte_mempool *mb_pool;
- uint8_t in_port;
+ uint16_t in_port;
volatile unsigned long rx_pkts;
volatile unsigned long err_pkts;
ETH_AF_PACKET_BLOCKSIZE_ARG,
ETH_AF_PACKET_FRAMESIZE_ARG,
ETH_AF_PACKET_FRAMECOUNT_ARG,
+ ETH_AF_PACKET_QDISC_BYPASS_ARG,
NULL
};
.link_speed = ETH_SPEED_NUM_10G,
.link_duplex = ETH_LINK_FULL_DUPLEX,
.link_status = ETH_LINK_DOWN,
- .link_autoneg = ETH_LINK_SPEED_AUTONEG
+ .link_autoneg = ETH_LINK_AUTONEG
};
static uint16_t
/* check for vlan info */
if (ppd->tp_status & TP_STATUS_VLAN_VALID) {
mbuf->vlan_tci = ppd->tp_vlan_tci;
- mbuf->ol_flags |= (PKT_RX_VLAN_PKT | PKT_RX_VLAN_STRIPPED);
+ mbuf->ol_flags |= (PKT_RX_VLAN | PKT_RX_VLAN_STRIPPED);
}
/* release incoming frame and advance ring buffer */
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;
}
/* 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;
}
/* kick-off transmits */
- if (sendto(pkt_q->sockfd, NULL, 0, MSG_DONTWAIT, NULL, 0) == -1)
- num_tx = 0; /* error sending -- no packets transmitted */
+ if (sendto(pkt_q->sockfd, NULL, 0, MSG_DONTWAIT, NULL, 0) == -1) {
+ /* error sending -- no packets transmitted */
+ num_tx = 0;
+ num_tx_bytes = 0;
+ }
pkt_q->framenum = framenum;
pkt_q->tx_pkts += num_tx;
dev_info->min_rx_bufsize = 0;
}
-static void
+static int
eth_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *igb_stats)
{
unsigned i, imax;
igb_stats->opackets = tx_total;
igb_stats->oerrors = tx_err_total;
igb_stats->obytes = tx_bytes_total;
+ return 0;
}
static void
if (data_size > buf_size) {
RTE_LOG(ERR, PMD,
"%s: %d bytes will not fit in mbuf (%d bytes)\n",
- dev->data->name, data_size, buf_size);
+ dev->device->name, data_size, buf_size);
return -ENOMEM;
}
unsigned int blockcnt,
unsigned int framesize,
unsigned int framecnt,
+ unsigned int qdisc_bypass,
struct pmd_internals **internals,
struct rte_eth_dev **eth_dev,
struct rte_kvargs *kvlist)
#if defined(PACKET_FANOUT)
int fanout_arg;
#endif
-#if defined(PACKET_QDISC_BYPASS)
- int bypass;
-#endif
for (k_idx = 0; k_idx < kvlist->count; k_idx++) {
pair = &kvlist->pairs[k_idx];
RTE_LOG(ERR, PMD,
"%s: no interface specified for AF_PACKET ethdev\n",
name);
- goto error_early;
+ return -1;
}
RTE_LOG(INFO, PMD,
"%s: creating AF_PACKET-backed ethdev on numa socket %u\n",
name, numa_node);
- /*
- * now do all data allocation - for eth_dev structure, dummy pci driver
- * and internal (private) data
- */
- data = rte_zmalloc_socket(name, sizeof(*data), 0, numa_node);
- if (data == NULL)
- goto error_early;
-
*internals = rte_zmalloc_socket(name, sizeof(**internals),
0, numa_node);
if (*internals == NULL)
- goto error_early;
+ return -1;
for (q = 0; q < nb_queues; q++) {
(*internals)->rx_queue[q].map = MAP_FAILED;
RTE_LOG(ERR, PMD,
"%s: I/F name too long (%s)\n",
name, pair->value);
- goto error_early;
+ return -1;
}
if (ioctl(sockfd, SIOCGIFINDEX, &ifr) == -1) {
RTE_LOG(ERR, PMD,
"%s: ioctl failed (SIOCGIFINDEX)\n",
name);
- goto error_early;
+ return -1;
}
(*internals)->if_name = strdup(pair->value);
+ if ((*internals)->if_name == NULL)
+ return -1;
(*internals)->if_index = ifr.ifr_ifindex;
if (ioctl(sockfd, SIOCGIFHWADDR, &ifr) == -1) {
RTE_LOG(ERR, PMD,
"%s: ioctl failed (SIOCGIFHWADDR)\n",
name);
- goto error_early;
+ return -1;
}
memcpy(&(*internals)->eth_addr, ifr.ifr_hwaddr.sa_data, ETH_ALEN);
}
#if defined(PACKET_QDISC_BYPASS)
- bypass = 1;
rc = setsockopt(qsockfd, SOL_PACKET, PACKET_QDISC_BYPASS,
- &bypass, sizeof(bypass));
+ &qdisc_bypass, sizeof(qdisc_bypass));
if (rc == -1) {
RTE_LOG(ERR, PMD,
"%s: could not set PACKET_QDISC_BYPASS "
pair->value);
goto error;
}
+#else
+ RTE_SET_USED(qdisc_bypass);
#endif
rc = setsockopt(qsockfd, SOL_PACKET, PACKET_RX_RING, req, sizeof(*req));
(*internals)->nb_queues = nb_queues;
- rte_memcpy(data, (*eth_dev)->data, sizeof(*data));
+ data = (*eth_dev)->data;
data->dev_private = *internals;
data->nb_rx_queues = (uint16_t)nb_queues;
data->nb_tx_queues = (uint16_t)nb_queues;
data->dev_link = pmd_link;
data->mac_addrs = &(*internals)->eth_addr;
- (*eth_dev)->data = data;
(*eth_dev)->dev_ops = &ops;
- (*eth_dev)->data->dev_flags = RTE_ETH_DEV_DETACHABLE;
return 0;
}
free((*internals)->if_name);
rte_free(*internals);
-error_early:
- rte_free(data);
return -1;
}
unsigned int framesize = DFLT_FRAME_SIZE;
unsigned int framecount = DFLT_FRAME_COUNT;
unsigned int qpairs = 1;
+ unsigned int qdisc_bypass = 1;
/* do some parameter checking */
if (*sockfd < 0)
}
continue;
}
+ if (strstr(pair->key, ETH_AF_PACKET_QDISC_BYPASS_ARG) != NULL) {
+ qdisc_bypass = atoi(pair->value);
+ if (qdisc_bypass > 1) {
+ RTE_LOG(ERR, PMD,
+ "%s: invalid bypass value\n",
+ name);
+ return -1;
+ }
+ continue;
+ }
}
if (framesize > blocksize) {
if (rte_pmd_init_internals(dev, *sockfd, qpairs,
blocksize, blockcount,
framesize, framecount,
+ qdisc_bypass,
&internals, ð_dev,
kvlist) < 0)
return -1;
int ret = 0;
struct rte_kvargs *kvlist;
int sockfd = -1;
+ struct rte_eth_dev *eth_dev;
+ const char *name = rte_vdev_device_name(dev);
- RTE_LOG(INFO, PMD, "Initializing pmd_af_packet for %s\n",
- rte_vdev_device_name(dev));
+ RTE_LOG(INFO, PMD, "Initializing pmd_af_packet for %s\n", name);
+
+ if (rte_eal_process_type() == RTE_PROC_SECONDARY &&
+ strlen(rte_vdev_device_args(dev)) == 0) {
+ eth_dev = rte_eth_dev_attach_secondary(name);
+ if (!eth_dev) {
+ RTE_LOG(ERR, PMD, "Failed to probe %s\n", name);
+ return -1;
+ }
+ /* TODO: request info from primary to set up Rx and Tx */
+ eth_dev->dev_ops = &ops;
+ return 0;
+ }
kvlist = rte_kvargs_parse(rte_vdev_device_args(dev), valid_arguments);
if (kvlist == NULL) {
free(internals->if_name);
rte_free(eth_dev->data->dev_private);
- rte_free(eth_dev->data);
rte_eth_dev_release_port(eth_dev);
"qpairs=<int> "
"blocksz=<int> "
"framesz=<int> "
- "framecnt=<int>");
+ "framecnt=<int> "
+ "qdisc_bypass=<0|1>");
git.droids-corp.org / dpdk.git / blobdiff