Introduce new testpmd commands to load/unload RX/TX BPF-based filters.
Signed-off-by: Konstantin Ananyev <konstantin.anan...@intel.com>
---
app/test-pmd/bpf_sup.h | 25 +++++++++
app/test-pmd/cmdline.c | 146 +++++++++++++++++++++++++++++++++++++++++++++++++
2 files changed, 171 insertions(+)
create mode 100644 app/test-pmd/bpf_sup.h
diff --git a/app/test-pmd/bpf_sup.h b/app/test-pmd/bpf_sup.h
new file mode 100644
index 000000000..35f91a07f
--- /dev/null
+++ b/app/test-pmd/bpf_sup.h
@@ -0,0 +1,25 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2010-2017 Intel Corporation
+ */
+
+#ifndef _BPF_SUP_H_
+#define _BPF_SUP_H_
+
+#include <stdio.h>
+#include <rte_mbuf.h>
+#include <rte_bpf_ethdev.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,
+ },
+};
+
+#endif /* _BPF_SUP_H_ */
diff --git a/app/test-pmd/cmdline.c b/app/test-pmd/cmdline.c
index d1dc1de6c..56b680e0e 100644
--- a/app/test-pmd/cmdline.c
+++ b/app/test-pmd/cmdline.c
@@ -75,6 +75,7 @@
#include "testpmd.h"
#include "cmdline_mtr.h"
#include "cmdline_tm.h"
+#include "bpf_sup.h"
static struct cmdline *testpmd_cl;
@@ -16030,6 +16031,149 @@ cmdline_parse_inst_t cmd_load_from_file = {
},
};
+/* *** 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, enum rte_bpf_prog_type *ptype, uint32_t
*flags)
+{
+ uint32_t i, v;
+
+ *flags = RTE_BPF_ETH_F_NONE;
+ *ptype = RTE_BPF_PROG_TYPE_UNSPEC;
+
+ for (i = 0; str[i] != 0; i++) {
+ v = toupper(str[i]);
+ if (v == 'J')
+ *flags |= RTE_BPF_ETH_F_JIT;
+ else if (v == 'M')
+ *ptype = RTE_BPF_PROG_TYPE_MBUF;
+ 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_type, &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,
+ },
+};
+
/*
********************************************************************************
*/
/* list of instructions */
@@ -16272,6 +16416,8 @@ cmdline_parse_ctx_t main_ctx[] = {
(cmdline_parse_inst_t *)&cmd_del_port_tm_node,
(cmdline_parse_inst_t *)&cmd_set_port_tm_node_parent,
(cmdline_parse_inst_t *)&cmd_port_tm_hierarchy_commit,
+ (cmdline_parse_inst_t *)&cmd_operate_bpf_ld_parse,
+ (cmdline_parse_inst_t *)&cmd_operate_bpf_unld_parse,
NULL,
};
--
2.13.6
