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#include <rte_debug.h>
#include <rte_ethdev.h>
#include <rte_ether.h>
#include <rte_graph.h>
#include <rte_graph_worker.h>
#include <rte_mbuf.h>
#include <mrb_define.h>
#include <sc_node.h>
#include <sc_node_common.h>
#include <sc_vdev.h>
struct dev_node_elem
{
TAILQ_ENTRY(dev_node_elem) entries;
rte_node_t nid;
struct dev_node_ctx ctx;
};
struct dev_node_main
{
TAILQ_HEAD(dev_node_elem_head, dev_node_elem) elems_head;
struct sc_main * sc;
};
static struct dev_node_main st_dev_node_main;
static struct dev_node_main * p_dev_node_main = &st_dev_node_main;
static_assert(sizeof(struct dev_node_ctx) <= RTE_NODE_CTX_SZ, "dev_node_ctx size must smaller than RTE_NODE_CTX_SZ");
static __rte_always_inline uint16_t dpdk_dev_rx_node_process(struct rte_graph * graph, struct rte_node * node,
void ** objs, uint16_t cnt)
{
struct dev_node_ctx * ctx = (struct dev_node_ctx *)node->ctx;
struct sc_main * sc = p_dev_node_main->sc;
assert(ctx != NULL && sc != NULL);
RTE_SET_USED(objs);
RTE_SET_USED(cnt);
unsigned int rx_nr_mbufs =
rte_eth_rx_burst(ctx->dev_desc->port_id, graph->id, (struct rte_mbuf **)node->objs, RTE_GRAPH_BURST_SIZE);
if (rx_nr_mbufs == 0)
{
return 0;
}
/* hash caculate */
node->idx = rx_nr_mbufs;
distributer_caculate(sc->dist_object, (struct rte_mbuf **)node->objs, node->idx);
/* shared ctx */
for (unsigned int i = 0; i < node->idx; i++)
{
struct rte_mbuf * mbuf = (struct rte_mbuf *)node->objs[i];
struct mrb_metadata * private_ctrlzone = mrbuf_cz_data(mbuf, MR_NODE_CTRLZONE_ID);
memset(private_ctrlzone, 0, sizeof(struct mrb_metadata));
private_ctrlzone->port_ingress = ctx->dev_desc->port_id;
private_ctrlzone->port_egress = UINT16_MAX;
/* Parser Pkt */
struct pkt_parser pkt_parser;
pkt_parser_init(&pkt_parser, LAYER_TYPE_ALL, MR_PKT_PARSER_LAYERS_MAX);
complex_parser_ether(&pkt_parser, rte_pktmbuf_mtod(mbuf, const char *));
/* copy the result to private zone */
private_ctrlzone->pkt_parser_result = pkt_parser.result;
}
/* move to next node */
rte_node_next_stream_move(graph, node, 0);
return rx_nr_mbufs;
}
static __rte_always_inline uint16_t dpdk_dev_tx_node_process(struct rte_graph * graph, struct rte_node * node,
void ** objs, uint16_t cnt)
{
struct dev_node_ctx * ctx = (struct dev_node_ctx *)node->ctx;
unsigned int tx_nr_mbufs = rte_eth_tx_burst(ctx->dev_desc->port_id, graph->id, (struct rte_mbuf **)objs, cnt);
if (unlikely(tx_nr_mbufs != cnt))
{
/* redirect unsent pkts to drop node */
rte_node_enqueue(graph, node, 0, &objs[tx_nr_mbufs], cnt - tx_nr_mbufs);
}
return cnt;
}
static int dev_node_init(const struct rte_graph * graph, struct rte_node * node)
{
struct dev_node_ctx * ctx = (struct dev_node_ctx *)node->ctx;
struct dev_node_elem * elem_iter = NULL;
TAILQ_FOREACH(elem_iter, &p_dev_node_main->elems_head, entries)
{
if (elem_iter->nid != node->id)
continue;
*ctx = (elem_iter->ctx);
}
return 0;
}
static struct rte_node_register dpdk_dev_rx_node_base = {
.process = dpdk_dev_rx_node_process,
.flags = RTE_NODE_SOURCE_F,
.name = "dpdk_dev_rx_node",
.init = dev_node_init,
.nb_edges = 2,
.next_nodes =
{
[0] = "eth_ingress",
[1] = "pkt_drop",
},
};
static struct rte_node_register dpdk_dev_tx_node_base = {
.process = dpdk_dev_tx_node_process,
.name = "dpdk_dev_tx_node",
.init = dev_node_init,
.nb_edges = 1,
.next_nodes =
{
[0] = "pkt_drop",
},
};
/* TODO: move these functions to here */
extern uint16_t shmdev_rx_node_process(struct rte_graph * graph, struct rte_node * node, void ** objs, uint16_t cnt);
extern uint16_t shmdev_tx_node_process(struct rte_graph * graph, struct rte_node * node, void ** objs, uint16_t cnt);
static struct rte_node_register shm_dev_rx_node_base = {
.process = shmdev_rx_node_process,
.flags = RTE_NODE_SOURCE_F,
.name = "shm_dev_rx_node",
.init = dev_node_init,
.nb_edges = 2,
.next_nodes =
{
[0] = "eth_ingress",
[1] = "pkt_drop",
},
};
static struct rte_node_register shm_dev_tx_node_base = {
.process = shmdev_tx_node_process,
.name = "shm_dev_tx_node",
.init = dev_node_init,
.nb_edges = 1,
.next_nodes =
{
[0] = "pkt_drop",
},
};
RTE_NODE_REGISTER(dpdk_dev_rx_node_base);
RTE_NODE_REGISTER(dpdk_dev_tx_node_base);
RTE_NODE_REGISTER(shm_dev_rx_node_base);
RTE_NODE_REGISTER(shm_dev_tx_node_base);
int node_manager_dev_init(struct sc_main * sc, struct node_manager_main * node_mgr_main)
{
TAILQ_INIT(&p_dev_node_main->elems_head);
/* reference to sc_main */
p_dev_node_main->sc = sc;
unsigned int dev_desc_iterator = 0;
struct mr_dev_desc * dev_desc = NULL;
unsigned int nr_dpdk_devs = 0;
unsigned int nr_shm_devs = 0;
while ((dev_desc = mr_dev_desc_iterate(sc->devmgr_main, &dev_desc_iterator)) != NULL)
{
/* the bond's slave should not be rx/tx by itself */
if (dev_desc->is_bond_slave)
continue;
struct dev_node_elem * rx_node_elem = ZMALLOC(sizeof(struct dev_node_elem));
MR_VERIFY_MALLOC(rx_node_elem);
struct rte_node_register * rx_node_base = NULL;
struct rte_node_register * tx_node_base = NULL;
/* DPDK devices */
if (dev_desc->dpdk_dev_desc != NULL)
{
rx_node_base = &dpdk_dev_rx_node_base;
tx_node_base = &dpdk_dev_tx_node_base;
nr_dpdk_devs++;
}
/* shm devices */
else if (dev_desc->shm_dev_desc != NULL)
{
rx_node_base = &shm_dev_rx_node_base;
tx_node_base = &shm_dev_tx_node_base;
nr_shm_devs++;
}
assert(rx_node_base != NULL);
assert(tx_node_base != NULL);
rte_node_t rx_node_id = rte_node_clone(rx_node_base->id, dev_desc->symbol);
MR_VERIFY(rx_node_id != RTE_NODE_ID_INVALID);
rx_node_elem->nid = rx_node_id;
rx_node_elem->ctx.dev_desc = dev_desc;
TAILQ_INSERT_TAIL(&p_dev_node_main->elems_head, rx_node_elem, entries);
/* tx nodes */
struct dev_node_elem * tx_node_elem = ZMALLOC(sizeof(struct dev_node_elem));
MR_VERIFY_MALLOC(tx_node_elem);
rte_node_t tx_node_id = rte_node_clone(tx_node_base->id, dev_desc->symbol);
MR_VERIFY(tx_node_id != RTE_NODE_ID_INVALID);
tx_node_elem->nid = tx_node_id;
tx_node_elem->ctx.dev_desc = dev_desc;
TAILQ_INSERT_TAIL(&p_dev_node_main->elems_head, tx_node_elem, entries);
dev_desc->rx_node_id = rx_node_id;
dev_desc->tx_node_id = tx_node_id;
}
if (nr_dpdk_devs > 0)
{
node_setup_desc_add_for_all_workers(node_mgr_main, "dpdk_dev_rx_node-*");
node_setup_desc_add_for_all_workers(node_mgr_main, "dpdk_dev_tx_node-*");
}
if (nr_shm_devs > 0)
{
node_setup_desc_add_for_all_workers(node_mgr_main, "shm_dev_rx_node-*");
node_setup_desc_add_for_all_workers(node_mgr_main, "shm_dev_tx_node-*");
}
return 0;
}
int node_manager_phydev_deinit(struct node_manager_main * node_mgr_main)
{
return 0;
}
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