/*
* 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
struct enic *enic = pmd_priv(eth_dev);
ENICPMD_FUNC_TRACE();
+ if (queue_idx >= ENIC_WQ_MAX) {
+ dev_err(enic,
+ "Max number of TX queues exceeded. Max is %d\n",
+ ENIC_WQ_MAX);
+ return -EINVAL;
+ }
+
eth_dev->data->tx_queues[queue_idx] = (void *)&enic->wq[queue_idx];
ret = enic_alloc_wq(enic, queue_idx, socket_id, nb_desc);
uint16_t queue_idx,
uint16_t nb_desc,
unsigned int socket_id,
- __rte_unused const struct rte_eth_rxconf *rx_conf,
+ const struct rte_eth_rxconf *rx_conf,
struct rte_mempool *mp)
{
int ret;
struct enic *enic = pmd_priv(eth_dev);
ENICPMD_FUNC_TRACE();
- eth_dev->data->rx_queues[queue_idx] = (void *)&enic->rq[queue_idx];
+ /* 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. 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[enic_sop_rq(queue_idx)];
ret = enic_alloc_rq(enic, queue_idx, socket_id, mp, nb_desc);
if (ret) {
return ret;
}
+ enic->rq[queue_idx].rx_free_thresh = rx_conf->rx_free_thresh;
+ dev_debug(enic, "Set queue_id:%u free thresh:%u\n", queue_idx,
+ enic->rq[queue_idx].rx_free_thresh);
+
return enicpmd_dev_setup_intr(enic);
}
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 |
DEV_TX_OFFLOAD_IPV4_CKSUM |
DEV_TX_OFFLOAD_UDP_CKSUM |
DEV_TX_OFFLOAD_TCP_CKSUM;
+ device_info->default_rxconf = (struct rte_eth_rxconf) {
+ .rx_free_thresh = ENIC_DEFAULT_RX_FREE_THRESH
+ };
+}
+
+static const uint32_t *enicpmd_dev_supported_ptypes_get(struct rte_eth_dev *dev)
+{
+ static const uint32_t ptypes[] = {
+ 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
+ };
+
+ if (dev->rx_pkt_burst == enic_recv_pkts)
+ return ptypes;
+ return NULL;
}
static void enicpmd_dev_promiscuous_enable(struct rte_eth_dev *eth_dev)
enic_del_mac_address(enic);
}
-
-static uint16_t enicpmd_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts,
- uint16_t nb_pkts)
-{
- unsigned int 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;
-
- 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;
- eop = (pkt_len == inc_len) || (!next_tx_pkt);
- last_seg = eop &&
- (index == ((unsigned int)nb_pkts - 1));
- enic_send_pkt(enic, wq, tx_pkt, (unsigned short)seg_len,
- !frags, eop, last_seg, ol_flags, vlan_id);
- tx_pkt = next_tx_pkt;
- }
- }
-
- enic_cleanup_wq(enic, wq);
- return index;
-}
-
-static uint16_t enicpmd_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts,
- uint16_t nb_pkts)
+static int enicpmd_mtu_set(struct rte_eth_dev *eth_dev, uint16_t mtu)
{
- struct vnic_rq *rq = (struct vnic_rq *)rx_queue;
- unsigned int work_done;
-
- if (enic_poll(rq, rx_pkts, (unsigned int)nb_pkts, &work_done))
- dev_err(enic, "error in enicpmd poll\n");
+ struct enic *enic = pmd_priv(eth_dev);
- return work_done;
+ ENICPMD_FUNC_TRACE();
+ return enic_set_mtu(enic, mtu);
}
static const struct eth_dev_ops enicpmd_eth_dev_ops = {
.stats_reset = enicpmd_dev_stats_reset,
.queue_stats_mapping_set = NULL,
.dev_infos_get = enicpmd_dev_info_get,
- .mtu_set = NULL,
+ .dev_supported_ptypes_get = enicpmd_dev_supported_ptypes_get,
+ .mtu_set = enicpmd_mtu_set,
.vlan_filter_set = enicpmd_vlan_filter_set,
.vlan_tpid_set = NULL,
.vlan_offload_set = enicpmd_vlan_offload_set,
enic->port_id = eth_dev->data->port_id;
enic->rte_dev = eth_dev;
eth_dev->dev_ops = &enicpmd_eth_dev_ops;
- eth_dev->rx_pkt_burst = &enicpmd_recv_pkts;
- eth_dev->tx_pkt_burst = &enicpmd_xmit_pkts;
+ eth_dev->rx_pkt_burst = &enic_recv_pkts;
+ eth_dev->tx_pkt_burst = &enic_xmit_pkts;
pdev = eth_dev->pci_dev;
rte_eth_copy_pci_info(eth_dev, pdev);
* Register as the [Poll Mode] Driver of Cisco ENIC device.
*/
static int
-rte_enic_pmd_init(const char *name __rte_unused,
- const char *params __rte_unused)
+rte_enic_pmd_init(__rte_unused const char *name,
+ __rte_unused const char *params)
{
ENICPMD_FUNC_TRACE();
.init = rte_enic_pmd_init,
};
-PMD_REGISTER_DRIVER(rte_enic_driver);
+PMD_REGISTER_DRIVER(rte_enic_driver, enic);
+DRIVER_REGISTER_PCI_TABLE(enic, pci_id_enic_map);
git.droids-corp.org / dpdk.git / blobdiff