@@ -65,6 +65,7 @@
#include "cmdline_cman.h"
#include "cmdline_mtr.h"
#include "cmdline_tm.h"
+#include "cmdline_settings.h"
#include "bpf_cmd.h"
static struct cmdline *testpmd_cl;
@@ -255,6 +256,9 @@ static void cmd_help_long_parsed(void *parsed_result,
"show port (port_id) flow_ctrl"
" Show flow control info of a port.\n\n"
+ "show port (port_id) link settings"
+ " Show link settings of a port.\n\n"
+
"dump_physmem\n"
" Dumps all physical memory segment layouts\n\n"
@@ -661,6 +665,9 @@ static void cmd_help_long_parsed(void *parsed_result,
"(max_thresh) (prob_inv)]\n"
" Set congestion management configuration\n\n"
+ "set port (port_id) link settings advertising (bitmap_str)"
+ " Set link advertising settings of a port.\n\n"
+
, list_pkt_forwarding_modes()
);
}
@@ -13219,6 +13226,8 @@ static cmdline_parse_ctx_t builtin_ctx[] = {
(cmdline_parse_inst_t *)&cmd_link_flow_control_set_macfwd,
(cmdline_parse_inst_t *)&cmd_link_flow_control_set_autoneg,
(cmdline_parse_inst_t *)&cmd_link_flow_control_show,
+ (cmdline_parse_inst_t *)&cmd_link_settings_show,
+ (cmdline_parse_inst_t *)&cmd_link_settings_set_advertising,
(cmdline_parse_inst_t *)&cmd_priority_flow_control_set,
(cmdline_parse_inst_t *)&cmd_queue_priority_flow_control_set,
(cmdline_parse_inst_t *)&cmd_config_dcb,
new file mode 100644
@@ -0,0 +1,516 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright (c) 2024 Arista Networks, Inc. All rights reserved.
+ * Arista Networks, Inc. Confidential and Proprietary
+ */
+
+#include <stdio.h>
+#include <rte_ethdev.h>
+
+#include <cmdline_parse_string.h>
+#include <cmdline_parse_num.h>
+
+#include "testpmd.h"
+
+/* *** GET CURRENT ETHERNET LINK SETTINGS *** */
+struct cmd_link_settings_show {
+ cmdline_fixed_string_t show;
+ cmdline_fixed_string_t port;
+ portid_t port_id;
+ cmdline_fixed_string_t link;
+ cmdline_fixed_string_t settings;
+};
+
+cmdline_parse_token_string_t cmd_ls_show_show =
+ TOKEN_STRING_INITIALIZER(struct cmd_link_settings_show,
+ show, "show");
+cmdline_parse_token_string_t cmd_ls_show_port =
+ TOKEN_STRING_INITIALIZER(struct cmd_link_settings_show,
+ port, "port");
+cmdline_parse_token_num_t cmd_ls_show_portid =
+ TOKEN_NUM_INITIALIZER(struct cmd_link_settings_show,
+ port_id, RTE_UINT16);
+cmdline_parse_token_string_t cmd_ls_show_link =
+ TOKEN_STRING_INITIALIZER(struct cmd_link_settings_show,
+ link, "link");
+cmdline_parse_token_string_t cmd_ls_show_settings =
+ TOKEN_STRING_INITIALIZER(struct cmd_link_settings_show,
+ settings, "settings");
+
+/* Print link capability flags (supported, advertised or lp_advertised).
+ * Assumes that the corresponding SUPPORTED and ADVERTISED flags are equal.
+ */
+static void dump_link_caps(const char *prefix, const char *an_prefix,
+ const uint32_t *mask, int link_mode_only)
+{
+ static const struct {
+ int same_line; /* print on same line as previous */
+ unsigned int bit_index;
+ const char *name;
+ } mode_defs[] = {
+ { 0, RTE_LINK_MODE_10baseT_Half_BIT,
+ "10baseT/Half" },
+ { 1, RTE_LINK_MODE_10baseT_Full_BIT,
+ "10baseT/Full" },
+ { 0, RTE_LINK_MODE_100baseT_Half_BIT,
+ "100baseT/Half" },
+ { 1, RTE_LINK_MODE_100baseT_Full_BIT,
+ "100baseT/Full" },
+ { 0, RTE_LINK_MODE_100baseT1_Full_BIT,
+ "100baseT1/Full" },
+ { 0, RTE_LINK_MODE_1000baseT_Half_BIT,
+ "1000baseT/Half" },
+ { 1, RTE_LINK_MODE_1000baseT_Full_BIT,
+ "1000baseT/Full" },
+ { 0, RTE_LINK_MODE_1000baseT1_Full_BIT,
+ "1000baseT1/Full" },
+ { 0, RTE_LINK_MODE_1000baseKX_Full_BIT,
+ "1000baseKX/Full" },
+ { 0, RTE_LINK_MODE_2500baseX_Full_BIT,
+ "2500baseX/Full" },
+ { 0, RTE_LINK_MODE_10000baseT_Full_BIT,
+ "10000baseT/Full" },
+ { 0, RTE_LINK_MODE_10000baseKX4_Full_BIT,
+ "10000baseKX4/Full" },
+ { 0, RTE_LINK_MODE_10000baseKR_Full_BIT,
+ "10000baseKR/Full" },
+ { 0, RTE_LINK_MODE_10000baseR_FEC_BIT,
+ "10000baseR_FEC" },
+ { 0, RTE_LINK_MODE_20000baseMLD2_Full_BIT,
+ "20000baseMLD2/Full" },
+ { 0, RTE_LINK_MODE_20000baseKR2_Full_BIT,
+ "20000baseKR2/Full" },
+ { 0, RTE_LINK_MODE_40000baseKR4_Full_BIT,
+ "40000baseKR4/Full" },
+ { 0, RTE_LINK_MODE_40000baseCR4_Full_BIT,
+ "40000baseCR4/Full" },
+ { 0, RTE_LINK_MODE_40000baseSR4_Full_BIT,
+ "40000baseSR4/Full" },
+ { 0, RTE_LINK_MODE_40000baseLR4_Full_BIT,
+ "40000baseLR4/Full" },
+ { 0, RTE_LINK_MODE_56000baseKR4_Full_BIT,
+ "56000baseKR4/Full" },
+ { 0, RTE_LINK_MODE_56000baseCR4_Full_BIT,
+ "56000baseCR4/Full" },
+ { 0, RTE_LINK_MODE_56000baseSR4_Full_BIT,
+ "56000baseSR4/Full" },
+ { 0, RTE_LINK_MODE_56000baseLR4_Full_BIT,
+ "56000baseLR4/Full" },
+ { 0, RTE_LINK_MODE_25000baseCR_Full_BIT,
+ "25000baseCR/Full" },
+ { 0, RTE_LINK_MODE_25000baseKR_Full_BIT,
+ "25000baseKR/Full" },
+ { 0, RTE_LINK_MODE_25000baseSR_Full_BIT,
+ "25000baseSR/Full" },
+ { 0, RTE_LINK_MODE_50000baseCR2_Full_BIT,
+ "50000baseCR2/Full" },
+ { 0, RTE_LINK_MODE_50000baseKR2_Full_BIT,
+ "50000baseKR2/Full" },
+ { 0, RTE_LINK_MODE_100000baseKR4_Full_BIT,
+ "100000baseKR4/Full" },
+ { 0, RTE_LINK_MODE_100000baseSR4_Full_BIT,
+ "100000baseSR4/Full" },
+ { 0, RTE_LINK_MODE_100000baseCR4_Full_BIT,
+ "100000baseCR4/Full" },
+ { 0, RTE_LINK_MODE_100000baseLR4_ER4_Full_BIT,
+ "100000baseLR4_ER4/Full" },
+ { 0, RTE_LINK_MODE_50000baseSR2_Full_BIT,
+ "50000baseSR2/Full" },
+ { 0, RTE_LINK_MODE_1000baseX_Full_BIT,
+ "1000baseX/Full" },
+ { 0, RTE_LINK_MODE_10000baseCR_Full_BIT,
+ "10000baseCR/Full" },
+ { 0, RTE_LINK_MODE_10000baseSR_Full_BIT,
+ "10000baseSR/Full" },
+ { 0, RTE_LINK_MODE_10000baseLR_Full_BIT,
+ "10000baseLR/Full" },
+ { 0, RTE_LINK_MODE_10000baseLRM_Full_BIT,
+ "10000baseLRM/Full" },
+ { 0, RTE_LINK_MODE_10000baseER_Full_BIT,
+ "10000baseER/Full" },
+ { 0, RTE_LINK_MODE_2500baseT_Full_BIT,
+ "2500baseT/Full" },
+ { 0, RTE_LINK_MODE_5000baseT_Full_BIT,
+ "5000baseT/Full" },
+ { 0, RTE_LINK_MODE_50000baseKR_Full_BIT,
+ "50000baseKR/Full" },
+ { 0, RTE_LINK_MODE_50000baseSR_Full_BIT,
+ "50000baseSR/Full" },
+ { 0, RTE_LINK_MODE_50000baseCR_Full_BIT,
+ "50000baseCR/Full" },
+ { 0, RTE_LINK_MODE_50000baseLR_ER_FR_Full_BIT,
+ "50000baseLR_ER_FR/Full" },
+ { 0, RTE_LINK_MODE_50000baseDR_Full_BIT,
+ "50000baseDR/Full" },
+ { 0, RTE_LINK_MODE_100000baseKR2_Full_BIT,
+ "100000baseKR2/Full" },
+ { 0, RTE_LINK_MODE_100000baseSR2_Full_BIT,
+ "100000baseSR2/Full" },
+ { 0, RTE_LINK_MODE_100000baseCR2_Full_BIT,
+ "100000baseCR2/Full" },
+ { 0, RTE_LINK_MODE_100000baseLR2_ER2_FR2_Full_BIT,
+ "100000baseLR2_ER2_FR2/Full" },
+ { 0, RTE_LINK_MODE_100000baseDR2_Full_BIT,
+ "100000baseDR2/Full" },
+ { 0, RTE_LINK_MODE_200000baseKR4_Full_BIT,
+ "200000baseKR4/Full" },
+ { 0, RTE_LINK_MODE_200000baseSR4_Full_BIT,
+ "200000baseSR4/Full" },
+ { 0, RTE_LINK_MODE_200000baseLR4_ER4_FR4_Full_BIT,
+ "200000baseLR4_ER4_FR4/Full" },
+ { 0, RTE_LINK_MODE_200000baseDR4_Full_BIT,
+ "200000baseDR4/Full" },
+ { 0, RTE_LINK_MODE_200000baseCR4_Full_BIT,
+ "200000baseCR4/Full" },
+ };
+ int indent;
+ int did1;
+ int new_line_pend;
+ int fecreported = 0;
+
+ /* Indent just like the separate functions used to */
+ indent = strlen(prefix) + 14;
+ if (indent < 24)
+ indent = 24;
+
+ fprintf(stdout, " %s link modes:%*s", prefix,
+ indent - (int)strlen(prefix) - 12, "");
+ did1 = 0;
+ new_line_pend = 0;
+ for (uint32_t i = 0; i < RTE_DIM(mode_defs); i++) {
+ if (did1 && !mode_defs[i].same_line)
+ new_line_pend = 1;
+ if (get_bit(mask, mode_defs[i].bit_index)) {
+ if (new_line_pend) {
+ fprintf(stdout, "\n");
+ fprintf(stdout, " %*s", indent, "");
+ new_line_pend = 0;
+ }
+ did1++;
+ fprintf(stdout, "%s ", mode_defs[i].name);
+ }
+ }
+ if (did1 == 0)
+ fprintf(stdout, "Not reported");
+ fprintf(stdout, "\n");
+
+ if (!link_mode_only) {
+ fprintf(stdout, " %s pause frame use: ", prefix);
+ if (get_bit(mask, RTE_LINK_MODE_Pause_BIT)) {
+ fprintf(stdout, "Symmetric");
+ if (get_bit(mask, RTE_LINK_MODE_Asym_Pause_BIT))
+ fprintf(stdout, " Receive-only");
+ fprintf(stdout, "\n");
+ } else {
+ if (get_bit(mask, RTE_LINK_MODE_Asym_Pause_BIT))
+ fprintf(stdout, "Transmit-only\n");
+ else
+ fprintf(stdout, "No\n");
+ }
+
+ fprintf(stdout, " %s auto-negotiation: ", an_prefix);
+ if (get_bit(mask, RTE_LINK_MODE_Autoneg_BIT))
+ fprintf(stdout, "Yes\n");
+ else
+ fprintf(stdout, "No\n");
+
+ fprintf(stdout, " %s FEC modes:", prefix);
+ if (get_bit(mask, RTE_LINK_MODE_FEC_NONE_BIT)) {
+ fprintf(stdout, " None");
+ fecreported = 1;
+ }
+ if (get_bit(mask, RTE_LINK_MODE_FEC_BASER_BIT)) {
+ fprintf(stdout, " BaseR");
+ fecreported = 1;
+ }
+ if (get_bit(mask, RTE_LINK_MODE_FEC_RS_BIT)) {
+ fprintf(stdout, " RS");
+ fecreported = 1;
+ }
+ if (!fecreported)
+ fprintf(stdout, " Not reported");
+ fprintf(stdout, "\n");
+ }
+}
+
+static void
+dump_supported(const struct rte_link_settings *link_settings)
+{
+ fprintf(stdout, " Supported ports: [ ");
+ if (get_bit(link_settings->link_modes.supported,
+ RTE_LINK_MODE_TP_BIT))
+ fprintf(stdout, "TP ");
+ if (get_bit(link_settings->link_modes.supported,
+ RTE_LINK_MODE_AUI_BIT))
+ fprintf(stdout, "AUI ");
+ if (get_bit(link_settings->link_modes.supported,
+ RTE_LINK_MODE_BNC_BIT))
+ fprintf(stdout, "BNC ");
+ if (get_bit(link_settings->link_modes.supported,
+ RTE_LINK_MODE_MII_BIT))
+ fprintf(stdout, "MII ");
+ if (get_bit(link_settings->link_modes.supported,
+ RTE_LINK_MODE_FIBRE_BIT))
+ fprintf(stdout, "FIBRE ");
+ if (get_bit(link_settings->link_modes.supported,
+ RTE_LINK_MODE_Backplane_BIT))
+ fprintf(stdout, "Backplane ");
+ fprintf(stdout, "]\n");
+
+ dump_link_caps("Supported", "Supports",
+ link_settings->link_modes.supported, 0);
+}
+
+
+
+static void
+cmd_link_settings_show_parsed(void *parsed_result,
+ __rte_unused struct cmdline *cl,
+ __rte_unused void *data)
+{
+ struct cmd_link_settings_show *res = parsed_result;
+ static const char *info_border = "*********************";
+ struct rte_link_settings link_settings;
+ int ret;
+
+ memset(&link_settings, 0x00, sizeof(link_settings));
+ ret = rte_eth_dev_get_link_settings(res->port_id, &link_settings);
+ if (ret != 0) {
+ fprintf(stderr,
+ "Failed to get current link settings: err = %d\n",
+ ret);
+ return;
+ }
+
+ printf("\n%s Link settings for port %-2d %s\n",
+ info_border, res->port_id, info_border);
+
+ dump_supported(&link_settings);
+ dump_link_caps("Advertised", "Advertised",
+ link_settings.link_modes.advertising, 0);
+
+ bool show_lp_advertising = false;
+ for (uint32_t idx = 0; idx < RTE_DIM(link_settings.link_modes.lp_advertising); idx++) {
+ if (link_settings.link_modes.lp_advertising[idx] != 0) {
+ show_lp_advertising = true;
+ break;
+ }
+ }
+
+ if (show_lp_advertising) {
+ dump_link_caps("Link partner advertised",
+ "Link partner advertised",
+ link_settings.link_modes.lp_advertising, 0);
+ }
+
+ fprintf(stdout, " Speed: ");
+ if (link_settings.base.link.link_speed == 0
+ || link_settings.base.link.link_speed == (uint16_t)(-1)
+ || link_settings.base.link.link_speed == (uint32_t)(-1))
+ fprintf(stdout, "Unknown!\n");
+ else
+ fprintf(stdout, "%uMb/s\n", link_settings.base.link.link_speed);
+
+ fprintf(stdout, " Duplex: ");
+ switch (link_settings.base.link.link_duplex) {
+ case RTE_ETH_LINK_HALF_DUPLEX:
+ fprintf(stdout, "Half\n");
+ break;
+ case RTE_ETH_LINK_FULL_DUPLEX:
+ fprintf(stdout, "Full\n");
+ break;
+ default:
+ fprintf(stdout, "Unknown! (%i)\n", link_settings.base.link.link_duplex);
+ break;
+ };
+
+ fprintf(stdout, " Port: ");
+ switch (link_settings.base.port) {
+ case RTE_PORT_TP:
+ fprintf(stdout, "Twisted Pair\n");
+ break;
+ case RTE_PORT_AUI:
+ fprintf(stdout, "AUI\n");
+ break;
+ case RTE_PORT_BNC:
+ fprintf(stdout, "BNC\n");
+ break;
+ case RTE_PORT_MII:
+ fprintf(stdout, "MII\n");
+ break;
+ case RTE_PORT_FIBRE:
+ fprintf(stdout, "FIBRE\n");
+ break;
+ case RTE_PORT_DA:
+ fprintf(stdout, "Direct Attach Copper\n");
+ break;
+ case RTE_PORT_NONE:
+ fprintf(stdout, "None\n");
+ break;
+ case RTE_PORT_OTHER:
+ fprintf(stdout, "Other\n");
+ break;
+ default:
+ fprintf(stdout, "Unknown! (%i)\n", link_settings.base.port);
+ break;
+ };
+
+ fprintf(stdout, " PHYAD: %d\n", link_settings.base.phy_address);
+
+ fprintf(stdout, " Auto-negotiation: %s\n",
+ (link_settings.base.link.link_autoneg == RTE_AUTONEG_DISABLE) ?
+ "off" : "on");
+
+ if (link_settings.base.port == RTE_PORT_TP) {
+ fprintf(stdout, " MDI-X: ");
+ if (link_settings.base.eth_tp_mdix_ctrl == RTE_TP_MDI) {
+ fprintf(stdout, "off (forced)\n");
+ } else if (link_settings.base.eth_tp_mdix_ctrl
+ == RTE_TP_MDI_X) {
+ fprintf(stdout, "on (forced)\n");
+ } else {
+ switch (link_settings.base.eth_tp_mdix) {
+ case RTE_TP_MDI:
+ fprintf(stdout, "off");
+ break;
+ case RTE_TP_MDI_X:
+ fprintf(stdout, "on");
+ break;
+ default:
+ fprintf(stdout, "Unknown");
+ break;
+ }
+ if (link_settings.base.eth_tp_mdix_ctrl
+ == RTE_TP_MDI_AUTO)
+ fprintf(stdout, " (auto)");
+ fprintf(stdout, "\n");
+ }
+ }
+}
+
+cmdline_parse_inst_t cmd_link_settings_show = {
+ .f = cmd_link_settings_show_parsed,
+ .data = NULL,
+ .help_str = "show port <port_id> link settings",
+ .tokens = {
+ (void *)&cmd_ls_show_show,
+ (void *)&cmd_ls_show_port,
+ (void *)&cmd_ls_show_portid,
+ (void *)&cmd_ls_show_link,
+ (void *)&cmd_ls_show_settings,
+ NULL,
+ },
+};
+
+static int parse_hex_u32_bitmap(const char *s,
+ unsigned int nbits, uint32_t *result)
+{
+ const unsigned int nwords = RTE_DIV_ROUND_UP(nbits, 32);
+ size_t slen = strlen(s);
+ size_t i;
+
+ /* ignore optional '0x' prefix */
+ if ((slen > 2) && (strncasecmp(s, "0x", 2) == 0)) {
+ slen -= 2;
+ s += 2;
+ }
+
+ if (slen > 8 * nwords) /* up to 2 digits per byte */
+ return -1;
+
+ memset(result, 0, 4 * nwords);
+ for (i = 0; i < slen; ++i) {
+ const unsigned int shift = (slen - 1 - i) * 4;
+ uint32_t *dest = &result[shift / 32];
+ uint32_t nibble;
+
+ if ('a' <= s[i] && s[i] <= 'f')
+ nibble = 0xa + (s[i] - 'a');
+ else if ('A' <= s[i] && s[i] <= 'F')
+ nibble = 0xa + (s[i] - 'A');
+ else if ('0' <= s[i] && s[i] <= '9')
+ nibble = (s[i] - '0');
+ else
+ return -1;
+
+ *dest |= (nibble << (shift % 32));
+ }
+
+ return 0;
+}
+
+/* *** SET ETHERNET LINK SETTINGS *** */
+struct cmd_link_settings_set {
+ cmdline_fixed_string_t set;
+ cmdline_fixed_string_t port;
+ portid_t port_id;
+ cmdline_fixed_string_t link;
+ cmdline_fixed_string_t settings;
+ cmdline_fixed_string_t advertising;
+ cmdline_multi_string_t bitmap_str;
+};
+
+cmdline_parse_token_string_t cmd_ls_set_set =
+ TOKEN_STRING_INITIALIZER(struct cmd_link_settings_set,
+ set, "set");
+cmdline_parse_token_string_t cmd_ls_set_port =
+ TOKEN_STRING_INITIALIZER(struct cmd_link_settings_set,
+ port, "port");
+cmdline_parse_token_num_t cmd_ls_set_portid =
+ TOKEN_NUM_INITIALIZER(struct cmd_link_settings_set,
+ port_id, RTE_UINT16);
+cmdline_parse_token_string_t cmd_ls_set_link =
+ TOKEN_STRING_INITIALIZER(struct cmd_link_settings_set,
+ link, "link");
+cmdline_parse_token_string_t cmd_ls_set_settings =
+ TOKEN_STRING_INITIALIZER(struct cmd_link_settings_set,
+ settings, "settings");
+cmdline_parse_token_string_t cmd_ls_set_advertising =
+ TOKEN_STRING_INITIALIZER(struct cmd_link_settings_set,
+ advertising, "advertising");
+cmdline_parse_token_string_t cmd_ls_set_bitmap_str =
+ TOKEN_STRING_INITIALIZER(struct cmd_link_settings_set,
+ bitmap_str, TOKEN_STRING_MULTI);
+
+static void
+cmd_link_settings_set_advertising_parsed(void *parsed_result,
+ __rte_unused struct cmdline *cl,
+ __rte_unused void *data)
+{
+ struct cmd_link_settings_set *res = parsed_result;
+ struct rte_link_settings link_settings;
+ int ret;
+
+ if (parse_hex_u32_bitmap(res->bitmap_str,
+ __RTE_LINK_MODE_MASK_NBITS,
+ link_settings.link_modes.advertising)) {
+ fprintf(stderr, "cannot parse bitmap_str\n");
+ return;
+
+ }
+
+ link_settings.base.link.link_autoneg = RTE_AUTONEG_ENABLE;
+
+ ret = rte_eth_dev_set_link_settings(res->port_id, &link_settings);
+ if (ret != 0) {
+ fprintf(stderr,
+ "Failed to set link settings: err = %d\n",
+ ret);
+ }
+}
+
+cmdline_parse_inst_t cmd_link_settings_set_advertising = {
+ .f = cmd_link_settings_set_advertising_parsed,
+ .data = NULL,
+ .help_str = "set port <port_id> link settings advertising <bitmap_str>"
+ " Bitmap_str - bitmap respresentation of advertising speeds",
+ .tokens = {
+ (void *)&cmd_ls_set_set,
+ (void *)&cmd_ls_set_port,
+ (void *)&cmd_ls_set_portid,
+ (void *)&cmd_ls_set_link,
+ (void *)&cmd_ls_set_settings,
+ (void *)&cmd_ls_set_advertising,
+ (void *)&cmd_ls_set_bitmap_str,
+ NULL,
+ },
+};
new file mode 100644
@@ -0,0 +1,14 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright (c) 2024 Arista Networks, Inc. All rights reserved.
+ * Arista Networks, Inc. Confidential and Proprietary
+ */
+
+#ifndef _CMDLINE_SETTINGS_H
+#define _CMDLINE_SETTINGS_H
+
+/* Link settings CLI */
+extern cmdline_parse_inst_t cmd_link_settings_show;
+extern cmdline_parse_inst_t cmd_link_settings_set_advertising;
+
+#endif /* _CMDLINE_SETTINGS_H */
+
@@ -11,6 +11,7 @@ sources = files(
'cmdline_flow.c',
'cmdline_mtr.c',
'cmdline_tm.c',
+ 'cmdline_settings.c',
'cmd_flex_item.c',
'config.c',
'csumonly.c',
@@ -1187,6 +1187,7 @@ void eth_set_allmulticast_mode(uint16_t port, int enable);
int eth_link_get_nowait_print_err(uint16_t port_id, struct rte_eth_link *link);
int eth_macaddr_get_print_err(uint16_t port_id,
struct rte_ether_addr *mac_addr);
+int get_bit(const uint32_t *ptr, uint32_t pos);
/* Functions to display the set of MAC addresses added to a port*/
void show_macs(portid_t port_id);
@@ -17,6 +17,8 @@
#define MAX_STRING_LEN 8192
+#define UINT_32_BIT_WIDTH (CHAR_BIT * sizeof(uint32_t))
+
#define MKDUMPSTR(buf, buf_size, cur_len, ...) \
do { \
if (cur_len >= buf_size) \
@@ -525,3 +527,11 @@ eth_macaddr_get_print_err(uint16_t port_id, struct rte_ether_addr *mac_addr)
return ret;
}
+
+int
+get_bit(const uint32_t *ptr, uint32_t pos)
+{
+ uint32_t byte_idx = pos / UINT_32_BIT_WIDTH;
+ uint32_t bit_idx = pos % UINT_32_BIT_WIDTH;
+ return (ptr[byte_idx] >> bit_idx) & 0x1;
+}