diff options
Diffstat (limited to 'ethtool.c')
| -rw-r--r-- | ethtool.c | 40 |
1 files changed, 39 insertions, 1 deletions
@@ -352,14 +352,21 @@ typedef enum { CMDL_BE16, CMDL_BE32, CMDL_STR, + CMDL_FLAG, } cmdline_type_t; struct cmdline_info { const char *name; cmdline_type_t type; - /* Points to int (BOOL), s32, u16, u32, u64 or char * (STR) */ + /* Points to int (BOOL), s32, u16, u32 (U32/FLAG), u64 or + * char * (STR). For FLAG, the value accumulates all flags + * to be set. */ void *wanted_val; void *ioctl_val; + /* For FLAG, the flag value to be set/cleared */ + u32 flag_val; + /* For FLAG, accumulates all flags to be cleared */ + u32 *unwanted_val; }; static struct cmdline_info cmdline_gregs[] = { @@ -550,6 +557,17 @@ static void parse_generic_cmdline(int argc, char **argp, 0xffffffff)); break; } + case CMDL_FLAG: { + u32 *p; + if (!strcmp(argp[i], "on")) + p = info[idx].wanted_val; + else if (!strcmp(argp[i], "off")) + p = info[idx].unwanted_val; + else + show_usage(1); + *p |= info[idx].flag_val; + break; + } case CMDL_STR: { char **s = info[idx].wanted_val; *s = strdup(argp[i]); @@ -566,6 +584,26 @@ static void parse_generic_cmdline(int argc, char **argp, } } +static void +print_flags(const struct cmdline_info *info, unsigned int n_info, u32 value) +{ + const char *sep = ""; + + while (n_info) { + if (info->type == CMDL_FLAG && value & info->flag_val) { + printf("%s%s", sep, info->name); + sep = " "; + value &= ~info->flag_val; + } + ++info; + --n_info; + } + + /* Print any unrecognised flags in hex */ + if (value) + printf("%s%#x", sep, value); +} + static int rxflow_str_to_type(const char *str) { int flow_type = 0; |