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/* SPDX-License-Identifier: BSD-3-Clause
* Copyright(c) 2018 Intel Corporation
*/
#include <ctype.h>
#include <stdio.h>
#include <rte_mbuf.h>
#include <rte_ethdev.h>
#include <rte_flow.h>
#include <rte_bpf_ethdev.h>
#include <cmdline.h>
#include <cmdline_parse.h>
#include <cmdline_parse_num.h>
#include <cmdline_parse_string.h>
#include "testpmd.h"
static const struct rte_bpf_xsym bpf_xsym[] = {
{
.name = RTE_STR(stdout),
.type = RTE_BPF_XTYPE_VAR,
.var = {
.val = (void *)(uintptr_t)&stdout,
.desc = {
.type = RTE_BPF_ARG_PTR,
.size = sizeof(stdout),
},
},
},
{
.name = RTE_STR(rte_pktmbuf_dump),
.type = RTE_BPF_XTYPE_FUNC,
.func = {
.val = (void *)rte_pktmbuf_dump,
.nb_args = 3,
.args = {
[0] = {
.type = RTE_BPF_ARG_RAW,
.size = sizeof(uintptr_t),
},
[1] = {
.type = RTE_BPF_ARG_PTR_MBUF,
.size = sizeof(struct rte_mbuf),
},
[2] = {
.type = RTE_BPF_ARG_RAW,
.size = sizeof(uint32_t),
},
},
},
},
};
/* *** load BPF program *** */
struct cmd_bpf_ld_result {
cmdline_fixed_string_t bpf;
cmdline_fixed_string_t dir;
uint16_t port;
uint16_t queue;
cmdline_fixed_string_t op;
cmdline_fixed_string_t flags;
cmdline_fixed_string_t prm;
};
static void
bpf_parse_flags(const char *str, struct rte_bpf_arg *arg, uint32_t *flags)
{
uint32_t i, v;
*flags = RTE_BPF_ETH_F_NONE;
arg->type = RTE_BPF_ARG_PTR;
arg->size = mbuf_data_size[0];
for (i = 0; str[i] != 0; i++) {
v = toupper(str[i]);
if (v == 'J')
*flags |= RTE_BPF_ETH_F_JIT;
else if (v == 'M') {
arg->type = RTE_BPF_ARG_PTR_MBUF;
arg->size = sizeof(struct rte_mbuf);
arg->buf_size = mbuf_data_size[0];
} else if (v == '-')
continue;
else
fprintf(stderr, "unknown flag: \'%c\'", v);
}
}
static void cmd_operate_bpf_ld_parsed(void *parsed_result,
__rte_unused struct cmdline *cl,
__rte_unused void *data)
{
int32_t rc;
uint32_t flags;
struct cmd_bpf_ld_result *res;
struct rte_bpf_prm prm;
const char *fname, *sname;
res = parsed_result;
memset(&prm, 0, sizeof(prm));
prm.xsym = bpf_xsym;
prm.nb_xsym = RTE_DIM(bpf_xsym);
bpf_parse_flags(res->flags, &prm.prog_arg, &flags);
fname = res->prm;
sname = ".text";
if (strcmp(res->dir, "rx") == 0) {
rc = rte_bpf_eth_rx_elf_load(res->port, res->queue, &prm,
fname, sname, flags);
printf("%d:%s\n", rc, strerror(-rc));
} else if (strcmp(res->dir, "tx") == 0) {
rc = rte_bpf_eth_tx_elf_load(res->port, res->queue, &prm,
fname, sname, flags);
printf("%d:%s\n", rc, strerror(-rc));
} else
fprintf(stderr, "invalid value: %s\n", res->dir);
}
static cmdline_parse_token_string_t cmd_load_bpf_start =
TOKEN_STRING_INITIALIZER(struct cmd_bpf_ld_result,
bpf, "bpf-load");
static cmdline_parse_token_string_t cmd_load_bpf_dir =
TOKEN_STRING_INITIALIZER(struct cmd_bpf_ld_result,
dir, "rx#tx");
static cmdline_parse_token_num_t cmd_load_bpf_port =
TOKEN_NUM_INITIALIZER(struct cmd_bpf_ld_result, port, RTE_UINT8);
static cmdline_parse_token_num_t cmd_load_bpf_queue =
TOKEN_NUM_INITIALIZER(struct cmd_bpf_ld_result, queue, RTE_UINT16);
static cmdline_parse_token_string_t cmd_load_bpf_flags =
TOKEN_STRING_INITIALIZER(struct cmd_bpf_ld_result,
flags, NULL);
static cmdline_parse_token_string_t cmd_load_bpf_prm =
TOKEN_STRING_INITIALIZER(struct cmd_bpf_ld_result,
prm, NULL);
cmdline_parse_inst_t cmd_operate_bpf_ld_parse = {
.f = cmd_operate_bpf_ld_parsed,
.data = NULL,
.help_str = "bpf-load rx|tx <port> <queue> <J|M|-> <file_name>",
.tokens = {
(void *)&cmd_load_bpf_start,
(void *)&cmd_load_bpf_dir,
(void *)&cmd_load_bpf_port,
(void *)&cmd_load_bpf_queue,
(void *)&cmd_load_bpf_flags,
(void *)&cmd_load_bpf_prm,
NULL,
},
};
/* *** unload BPF program *** */
struct cmd_bpf_unld_result {
cmdline_fixed_string_t bpf;
cmdline_fixed_string_t dir;
uint16_t port;
uint16_t queue;
};
static void cmd_operate_bpf_unld_parsed(void *parsed_result,
__rte_unused struct cmdline *cl,
__rte_unused void *data)
{
struct cmd_bpf_unld_result *res;
res = parsed_result;
if (strcmp(res->dir, "rx") == 0)
rte_bpf_eth_rx_unload(res->port, res->queue);
else if (strcmp(res->dir, "tx") == 0)
rte_bpf_eth_tx_unload(res->port, res->queue);
else
fprintf(stderr, "invalid value: %s\n", res->dir);
}
static cmdline_parse_token_string_t cmd_unload_bpf_start =
TOKEN_STRING_INITIALIZER(struct cmd_bpf_unld_result,
bpf, "bpf-unload");
static cmdline_parse_token_string_t cmd_unload_bpf_dir =
TOKEN_STRING_INITIALIZER(struct cmd_bpf_unld_result,
dir, "rx#tx");
static cmdline_parse_token_num_t cmd_unload_bpf_port =
TOKEN_NUM_INITIALIZER(struct cmd_bpf_unld_result, port, RTE_UINT8);
static cmdline_parse_token_num_t cmd_unload_bpf_queue =
TOKEN_NUM_INITIALIZER(struct cmd_bpf_unld_result, queue, RTE_UINT16);
cmdline_parse_inst_t cmd_operate_bpf_unld_parse = {
.f = cmd_operate_bpf_unld_parsed,
.data = NULL,
.help_str = "bpf-unload rx|tx <port> <queue>",
.tokens = {
(void *)&cmd_unload_bpf_start,
(void *)&cmd_unload_bpf_dir,
(void *)&cmd_unload_bpf_port,
(void *)&cmd_unload_bpf_queue,
NULL,
},
};
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