/*
* The set of PCI devices this driver supports
*/
+#define CISCO_PCI_VENDOR_ID 0x1137
static const struct rte_pci_id pci_id_enic_map[] = {
-#define RTE_PCI_DEV_ID_DECL_ENIC(vend, dev) {RTE_PCI_DEVICE(vend, dev)},
-#ifndef PCI_VENDOR_ID_CISCO
-#define PCI_VENDOR_ID_CISCO 0x1137
-#endif
-#include "rte_pci_dev_ids.h"
-RTE_PCI_DEV_ID_DECL_ENIC(PCI_VENDOR_ID_CISCO, PCI_DEVICE_ID_CISCO_VIC_ENET)
-RTE_PCI_DEV_ID_DECL_ENIC(PCI_VENDOR_ID_CISCO, PCI_DEVICE_ID_CISCO_VIC_ENET_VF)
-{.vendor_id = 0, /* Sentinal */},
+ { RTE_PCI_DEVICE(CISCO_PCI_VENDOR_ID, PCI_DEVICE_ID_CISCO_VIC_ENET) },
+ { RTE_PCI_DEVICE(CISCO_PCI_VENDOR_ID, PCI_DEVICE_ID_CISCO_VIC_ENET_VF) },
+ {.vendor_id = 0, /* sentinel */},
};
static int
if (!enic->cq[index].ctrl)
break;
}
-
if (enic->cq_count != index)
return 0;
+ for (index = 0; index < enic->wq_count; index++) {
+ if (!enic->wq[index].ctrl)
+ break;
+ }
+ if (enic->wq_count != index)
+ return 0;
+ /* check start of packet (SOP) RQs only in case scatter is disabled. */
+ for (index = 0; index < enic->rq_count; index++) {
+ if (!enic->rq[enic_sop_rq(index)].ctrl)
+ break;
+ }
+ if (enic->rq_count != index)
+ return 0;
ret = enic_alloc_intr_resources(enic);
if (ret) {
ENICPMD_FUNC_TRACE();
enic_start_wq(enic, queue_idx);
- eth_dev->data->tx_queue_state[queue_idx] = RTE_ETH_QUEUE_STATE_STARTED;
return 0;
}
ret = enic_stop_wq(enic, queue_idx);
if (ret)
dev_err(enic, "error in stopping wq %d\n", queue_idx);
- else
- eth_dev->data->tx_queue_state[queue_idx] = RTE_ETH_QUEUE_STATE_STOPPED;
return ret;
}
ENICPMD_FUNC_TRACE();
enic_start_rq(enic, queue_idx);
- eth_dev->data->rx_queue_state[queue_idx] = RTE_ETH_QUEUE_STATE_STARTED;
return 0;
}
ret = enic_stop_rq(enic, queue_idx);
if (ret)
dev_err(enic, "error in stopping rq %d\n", queue_idx);
- else
- eth_dev->data->rx_queue_state[queue_idx] = RTE_ETH_QUEUE_STATE_STOPPED;
return ret;
}
struct enic *enic = pmd_priv(eth_dev);
ENICPMD_FUNC_TRACE();
- if (queue_idx >= ENIC_RQ_MAX) {
+ /* With Rx scatter support, two RQs are now used on VIC per RQ used
+ * by the application.
+ */
+ if (queue_idx * 2 >= ENIC_RQ_MAX) {
dev_err(enic,
- "Max number of RX queues exceeded. Max is %d\n",
+ "Max number of RX queues exceeded. Max is %d. This PMD uses 2 RQs on VIC per RQ used by DPDK.\n",
ENIC_RQ_MAX);
return -EINVAL;
}
- eth_dev->data->rx_queues[queue_idx] = (void *)&enic->rq[queue_idx];
+ eth_dev->data->rx_queues[queue_idx] =
+ (void *)&enic->rq[enic_sop_rq(queue_idx)];
ret = enic_alloc_rq(enic, queue_idx, socket_id, mp, nb_desc);
if (ret) {
eth_dev->data->dev_conf.rxmode.split_hdr_size);
}
+ enicpmd_vlan_offload_set(eth_dev, ETH_VLAN_STRIP_MASK);
enic->hw_ip_checksum = eth_dev->data->dev_conf.rxmode.hw_ip_checksum;
return 0;
}
struct enic *enic = pmd_priv(eth_dev);
ENICPMD_FUNC_TRACE();
- device_info->max_rx_queues = enic->rq_count;
- device_info->max_tx_queues = enic->wq_count;
+ /* Scattered Rx uses two receive queues per rx queue exposed to dpdk */
+ device_info->max_rx_queues = enic->conf_rq_count / 2;
+ device_info->max_tx_queues = enic->conf_wq_count;
device_info->min_rx_bufsize = ENIC_MIN_MTU;
- device_info->max_rx_pktlen = enic->config.mtu;
+ device_info->max_rx_pktlen = enic->rte_dev->data->mtu
+ + ETHER_HDR_LEN + 4;
device_info->max_mac_addrs = 1;
device_info->rx_offload_capa =
DEV_RX_OFFLOAD_VLAN_STRIP |
static const uint32_t *enicpmd_dev_supported_ptypes_get(struct rte_eth_dev *dev)
{
static const uint32_t ptypes[] = {
- RTE_PTYPE_L3_IPV4,
- RTE_PTYPE_L3_IPV6,
+ RTE_PTYPE_L3_IPV4_EXT_UNKNOWN,
+ RTE_PTYPE_L3_IPV6_EXT_UNKNOWN,
+ RTE_PTYPE_L4_TCP,
+ RTE_PTYPE_L4_UDP,
+ RTE_PTYPE_L4_FRAG,
+ RTE_PTYPE_L4_NONFRAG,
RTE_PTYPE_UNKNOWN
};
enic_del_mac_address(enic);
}
-
-static uint16_t enicpmd_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts,
- uint16_t nb_pkts)
+static int enicpmd_mtu_set(struct rte_eth_dev *eth_dev, uint16_t mtu)
{
- uint16_t index;
- unsigned int frags;
- unsigned int pkt_len;
- unsigned int seg_len;
- unsigned int inc_len;
- unsigned int nb_segs;
- struct rte_mbuf *tx_pkt, *next_tx_pkt;
- struct vnic_wq *wq = (struct vnic_wq *)tx_queue;
- struct enic *enic = vnic_dev_priv(wq->vdev);
- unsigned short vlan_id;
- unsigned short ol_flags;
- uint8_t last_seg, eop;
- unsigned int host_tx_descs = 0;
-
- for (index = 0; index < nb_pkts; index++) {
- tx_pkt = *tx_pkts++;
- inc_len = 0;
- nb_segs = tx_pkt->nb_segs;
- if (nb_segs > vnic_wq_desc_avail(wq)) {
- if (index > 0)
- enic_post_wq_index(wq);
-
- /* wq cleanup and try again */
- if (!enic_cleanup_wq(enic, wq) ||
- (nb_segs > vnic_wq_desc_avail(wq))) {
- return index;
- }
- }
-
- pkt_len = tx_pkt->pkt_len;
- vlan_id = tx_pkt->vlan_tci;
- ol_flags = tx_pkt->ol_flags;
- for (frags = 0; inc_len < pkt_len; frags++) {
- if (!tx_pkt)
- break;
- next_tx_pkt = tx_pkt->next;
- seg_len = tx_pkt->data_len;
- inc_len += seg_len;
-
- host_tx_descs++;
- last_seg = 0;
- eop = 0;
- if ((pkt_len == inc_len) || !next_tx_pkt) {
- eop = 1;
- /* post if last packet in batch or > thresh */
- if ((index == (nb_pkts - 1)) ||
- (host_tx_descs > ENIC_TX_POST_THRESH)) {
- last_seg = 1;
- host_tx_descs = 0;
- }
- }
- enic_send_pkt(enic, wq, tx_pkt, (unsigned short)seg_len,
- !frags, eop, last_seg, ol_flags, vlan_id);
- tx_pkt = next_tx_pkt;
- }
- }
+ struct enic *enic = pmd_priv(eth_dev);
- enic_cleanup_wq(enic, wq);
- return index;
+ ENICPMD_FUNC_TRACE();
+ return enic_set_mtu(enic, mtu);
}
static const struct eth_dev_ops enicpmd_eth_dev_ops = {
.queue_stats_mapping_set = NULL,
.dev_infos_get = enicpmd_dev_info_get,
.dev_supported_ptypes_get = enicpmd_dev_supported_ptypes_get,
- .mtu_set = NULL,
+ .mtu_set = enicpmd_mtu_set,
.vlan_filter_set = enicpmd_vlan_filter_set,
.vlan_tpid_set = NULL,
.vlan_offload_set = enicpmd_vlan_offload_set,
enic->rte_dev = eth_dev;
eth_dev->dev_ops = &enicpmd_eth_dev_ops;
eth_dev->rx_pkt_burst = &enic_recv_pkts;
- eth_dev->tx_pkt_burst = &enicpmd_xmit_pkts;
+ eth_dev->tx_pkt_burst = &enic_xmit_pkts;
pdev = eth_dev->pci_dev;
rte_eth_copy_pci_info(eth_dev, pdev);
.init = rte_enic_pmd_init,
};
-PMD_REGISTER_DRIVER(rte_enic_driver);
+PMD_REGISTER_DRIVER(rte_enic_driver, net_enic);
+DRIVER_REGISTER_PCI_TABLE(net_enic, pci_id_enic_map);