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From: David Marchand <david.marchand@6wind.com>
To: dev@dpdk.org
Date: Fri, 13 Jun 2014 15:37:43 +0200
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Subject: [dpdk-dev] [PATCH v2 7/7] app/testpmd: allow to configure mtu
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From: Ivan Boule <ivan.boule@6wind.com>
Take avantage of the .set_mtu ethdev function and make it possible to configure
MTU on devices using testpmd.
Signed-off-by: Ivan Boule <ivan.boule@6wind.com>
Signed-off-by: David Marchand <david.marchand@6wind.com>
---
app/test-pmd/cmdline.c | 54 ++++++++++++++++++++++++++++++++++++++++++++++++
app/test-pmd/config.c | 13 ++++++++++++
app/test-pmd/testpmd.h | 2 +-
3 files changed, 68 insertions(+), 1 deletion(-)
diff --git a/app/test-pmd/cmdline.c b/app/test-pmd/cmdline.c
index 4678977..6b150c1 100644
--- a/app/test-pmd/cmdline.c
+++ b/app/test-pmd/cmdline.c
@@ -523,6 +523,8 @@ static void cmd_help_long_parsed(void *parsed_result,
"port config all (txfreet|txrst|rxfreet) (value)\n"
" Set free threshold for rx/tx, or set"
" tx rs bit threshold.\n\n"
+ "port config mtu X value\n"
+ " Set the MTU of port X to a given value\n\n"
);
}
@@ -1021,6 +1023,57 @@ cmdline_parse_inst_t cmd_config_max_pkt_len = {
},
};
+/* *** configure port MTU *** */
+struct cmd_config_mtu_result {
+ cmdline_fixed_string_t port;
+ cmdline_fixed_string_t keyword;
+ cmdline_fixed_string_t mtu;
+ uint8_t port_id;
+ uint16_t value;
+};
+
+static void
+cmd_config_mtu_parsed(void *parsed_result,
+ __attribute__((unused)) struct cmdline *cl,
+ __attribute__((unused)) void *data)
+{
+ struct cmd_config_mtu_result *res = parsed_result;
+
+ if (res->value < ETHER_MIN_LEN) {
+ printf("mtu cannot be less than %d\n", ETHER_MIN_LEN);
+ return;
+ }
+ port_mtu_set(res->port_id, res->value);
+}
+
+cmdline_parse_token_string_t cmd_config_mtu_port =
+ TOKEN_STRING_INITIALIZER(struct cmd_config_mtu_result, port,
+ "port");
+cmdline_parse_token_string_t cmd_config_mtu_keyword =
+ TOKEN_STRING_INITIALIZER(struct cmd_config_mtu_result, keyword,
+ "config");
+cmdline_parse_token_string_t cmd_config_mtu_mtu =
+ TOKEN_STRING_INITIALIZER(struct cmd_config_mtu_result, keyword,
+ "mtu");
+cmdline_parse_token_num_t cmd_config_mtu_port_id =
+ TOKEN_NUM_INITIALIZER(struct cmd_config_mtu_result, port_id, UINT8);
+cmdline_parse_token_num_t cmd_config_mtu_value =
+ TOKEN_NUM_INITIALIZER(struct cmd_config_mtu_result, value, UINT16);
+
+cmdline_parse_inst_t cmd_config_mtu = {
+ .f = cmd_config_mtu_parsed,
+ .data = NULL,
+ .help_str = "port config mtu value",
+ .tokens = {
+ (void *)&cmd_config_mtu_port,
+ (void *)&cmd_config_mtu_keyword,
+ (void *)&cmd_config_mtu_mtu,
+ (void *)&cmd_config_mtu_port_id,
+ (void *)&cmd_config_mtu_value,
+ NULL,
+ },
+};
+
/* *** configure rx mode *** */
struct cmd_config_rx_mode_flag {
cmdline_fixed_string_t port;
@@ -5600,6 +5653,7 @@ cmdline_parse_ctx_t main_ctx[] = {
(cmdline_parse_inst_t *)&cmd_config_speed_all,
(cmdline_parse_inst_t *)&cmd_config_speed_specific,
(cmdline_parse_inst_t *)&cmd_config_rx_tx,
+ (cmdline_parse_inst_t *)&cmd_config_mtu,
(cmdline_parse_inst_t *)&cmd_config_max_pkt_len,
(cmdline_parse_inst_t *)&cmd_config_rx_mode_flag,
(cmdline_parse_inst_t *)&cmd_config_rss,
diff --git a/app/test-pmd/config.c b/app/test-pmd/config.c
index 52ad01a..4cebe00 100644
--- a/app/test-pmd/config.c
+++ b/app/test-pmd/config.c
@@ -493,6 +493,19 @@ port_reg_set(portid_t port_id, uint32_t reg_off, uint32_t reg_v)
display_port_reg_value(port_id, reg_off, reg_v);
}
+void
+port_mtu_set(portid_t port_id, uint16_t mtu)
+{
+ int diag;
+
+ if (port_id_is_invalid(port_id))
+ return;
+ diag = rte_eth_dev_set_mtu(port_id, mtu);
+ if (diag == 0)
+ return;
+ printf("Set MTU failed. diag=%d\n", diag);
+}
+
/*
* RX/TX ring descriptors display functions.
*/
diff --git a/app/test-pmd/testpmd.h b/app/test-pmd/testpmd.h
index 4fabf1c..4c1ed03 100644
--- a/app/test-pmd/testpmd.h
+++ b/app/test-pmd/testpmd.h
@@ -454,7 +454,7 @@ void fwd_config_setup(void);
void set_def_fwd_config(void);
int init_fwd_streams(void);
-
+void port_mtu_set(portid_t port_id, uint16_t mtu);
void port_reg_bit_display(portid_t port_id, uint32_t reg_off, uint8_t bit_pos);
void port_reg_bit_set(portid_t port_id, uint32_t reg_off, uint8_t bit_pos,
uint8_t bit_v);
--
1.7.10.4