New upstream version 18.05

[deb_dpdk.git] / app / test-pmd / bpf_cmd.c

diff --git a/app/test-pmd/bpf_cmd.c b/app/test-pmd/bpf_cmd.c
new file mode 100644 (file)
index 0000000..584fad9
--- /dev/null
+++ b/app/test-pmd/bpf_cmd.c
@@ -0,0 +1,175 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2018 Intel Corporation
+ */
+
+#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 = &stdout,
+       },
+       {
+               .name = RTE_STR(rte_pktmbuf_dump),
+               .type = RTE_BPF_XTYPE_FUNC,
+               .func = (void *)rte_pktmbuf_dump,
+       },
+};
+
+/* *** load BPF program *** */
+struct cmd_bpf_ld_result {
+       cmdline_fixed_string_t bpf;
+       cmdline_fixed_string_t dir;
+       uint8_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;
+
+       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;
+               } else if (v == '-')
+                       continue;
+               else
+                       printf("unknown flag: \'%c\'", v);
+       }
+}
+
+static void cmd_operate_bpf_ld_parsed(void *parsed_result,
+                               __attribute__((unused)) struct cmdline *cl,
+                               __attribute__((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
+               printf("invalid value: %s\n", res->dir);
+}
+
+cmdline_parse_token_string_t cmd_load_bpf_start =
+       TOKEN_STRING_INITIALIZER(struct cmd_bpf_ld_result,
+                       bpf, "bpf-load");
+cmdline_parse_token_string_t cmd_load_bpf_dir =
+       TOKEN_STRING_INITIALIZER(struct cmd_bpf_ld_result,
+                       dir, "rx#tx");
+cmdline_parse_token_num_t cmd_load_bpf_port =
+       TOKEN_NUM_INITIALIZER(struct cmd_bpf_ld_result, port, UINT8);
+cmdline_parse_token_num_t cmd_load_bpf_queue =
+       TOKEN_NUM_INITIALIZER(struct cmd_bpf_ld_result, queue, UINT16);
+cmdline_parse_token_string_t cmd_load_bpf_flags =
+       TOKEN_STRING_INITIALIZER(struct cmd_bpf_ld_result,
+                       flags, NULL);
+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|B> <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;
+       uint8_t port;
+       uint16_t queue;
+};
+
+static void cmd_operate_bpf_unld_parsed(void *parsed_result,
+                               __attribute__((unused)) struct cmdline *cl,
+                               __attribute__((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
+               printf("invalid value: %s\n", res->dir);
+}
+
+cmdline_parse_token_string_t cmd_unload_bpf_start =
+       TOKEN_STRING_INITIALIZER(struct cmd_bpf_unld_result,
+                       bpf, "bpf-unload");
+cmdline_parse_token_string_t cmd_unload_bpf_dir =
+       TOKEN_STRING_INITIALIZER(struct cmd_bpf_unld_result,
+                       dir, "rx#tx");
+cmdline_parse_token_num_t cmd_unload_bpf_port =
+       TOKEN_NUM_INITIALIZER(struct cmd_bpf_unld_result, port, UINT8);
+cmdline_parse_token_num_t cmd_unload_bpf_queue =
+       TOKEN_NUM_INITIALIZER(struct cmd_bpf_unld_result, queue, 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,
+       },
+};