diff options
Diffstat (limited to 'src/xdp/common/common_params.c')
| -rw-r--r-- | src/xdp/common/common_params.c | 197 |
1 files changed, 0 insertions, 197 deletions
diff --git a/src/xdp/common/common_params.c b/src/xdp/common/common_params.c deleted file mode 100644 index 642d56d92..000000000 --- a/src/xdp/common/common_params.c +++ /dev/null @@ -1,197 +0,0 @@ -#include <stddef.h> -#include <stdlib.h> -#include <stdio.h> -#include <string.h> -#include <stdbool.h> -#include <getopt.h> -#include <errno.h> - -#include <net/if.h> -#include <linux/if_link.h> /* XDP_FLAGS_* depend on kernel-headers installed */ -#include <linux/if_xdp.h> - -#include "common_params.h" - -int verbose = 1; - -#define BUFSIZE 30 - -void _print_options(const struct option_wrapper *long_options, bool required) -{ - int i, pos; - char buf[BUFSIZE]; - - for (i = 0; long_options[i].option.name != 0; i++) { - if (long_options[i].required != required) - continue; - - if (long_options[i].option.val > 64) /* ord('A') = 65 */ - printf(" -%c,", long_options[i].option.val); - else - printf(" "); - pos = snprintf(buf, BUFSIZE, " --%s", long_options[i].option.name); - if (long_options[i].metavar) - snprintf(&buf[pos], BUFSIZE-pos, " %s", long_options[i].metavar); - printf("%-22s", buf); - printf(" %s", long_options[i].help); - printf("\n"); - } -} - -void usage(const char *prog_name, const char *doc, - const struct option_wrapper *long_options, bool full) -{ - printf("Usage: %s [options]\n", prog_name); - - if (!full) { - printf("Use --help (or -h) to see full option list.\n"); - return; - } - - printf("\nDOCUMENTATION:\n %s\n", doc); - printf("Required options:\n"); - _print_options(long_options, true); - printf("\n"); - printf("Other options:\n"); - _print_options(long_options, false); - printf("\n"); -} - -int option_wrappers_to_options(const struct option_wrapper *wrapper, - struct option **options) -{ - int i, num; - struct option *new_options; - for (i = 0; wrapper[i].option.name != 0; i++) {} - num = i; - - new_options = malloc(sizeof(struct option) * num); - if (!new_options) - return -1; - for (i = 0; i < num; i++) { - memcpy(&new_options[i], &wrapper[i], sizeof(struct option)); - } - - *options = new_options; - return 0; -} - -void parse_cmdline_args(int argc, char **argv, - const struct option_wrapper *options_wrapper, - struct config *cfg, const char *doc) -{ - struct option *long_options; - bool full_help = false; - int longindex = 0; - char *dest; - int opt; - - if (option_wrappers_to_options(options_wrapper, &long_options)) { - fprintf(stderr, "Unable to malloc()\n"); - exit(EXIT_FAIL_OPTION); - } - - /* Parse commands line args */ - while ((opt = getopt_long(argc, argv, "hd:r:L:R:ASNFUMQ:czpq", - long_options, &longindex)) != -1) { - switch (opt) { - case 'd': - if (strlen(optarg) >= IF_NAMESIZE) { - fprintf(stderr, "ERR: --dev name too long\n"); - goto error; - } - cfg->ifname = (char *)&cfg->ifname_buf; - strncpy(cfg->ifname, optarg, IF_NAMESIZE); - cfg->ifindex = if_nametoindex(cfg->ifname); - if (cfg->ifindex == 0) { - fprintf(stderr, - "ERR: --dev name unknown err(%d):%s\n", - errno, strerror(errno)); - goto error; - } - break; - case 'r': - if (strlen(optarg) >= IF_NAMESIZE) { - fprintf(stderr, "ERR: --redirect-dev name too long\n"); - goto error; - } - cfg->redirect_ifname = (char *)&cfg->redirect_ifname_buf; - strncpy(cfg->redirect_ifname, optarg, IF_NAMESIZE); - cfg->redirect_ifindex = if_nametoindex(cfg->redirect_ifname); - if (cfg->redirect_ifindex == 0) { - fprintf(stderr, - "ERR: --redirect-dev name unknown err(%d):%s\n", - errno, strerror(errno)); - goto error; - } - break; - case 'A': - cfg->xdp_flags &= ~XDP_FLAGS_MODES; /* Clear flags */ - break; - case 'S': - cfg->xdp_flags &= ~XDP_FLAGS_MODES; /* Clear flags */ - cfg->xdp_flags |= XDP_FLAGS_SKB_MODE; /* Set flag */ - cfg->xsk_bind_flags &= XDP_ZEROCOPY; - cfg->xsk_bind_flags |= XDP_COPY; - break; - case 'N': - cfg->xdp_flags &= ~XDP_FLAGS_MODES; /* Clear flags */ - cfg->xdp_flags |= XDP_FLAGS_DRV_MODE; /* Set flag */ - break; - case 3: /* --offload-mode */ - cfg->xdp_flags &= ~XDP_FLAGS_MODES; /* Clear flags */ - cfg->xdp_flags |= XDP_FLAGS_HW_MODE; /* Set flag */ - break; - case 'F': - cfg->xdp_flags &= ~XDP_FLAGS_UPDATE_IF_NOEXIST; - break; - case 'M': - cfg->reuse_maps = true; - break; - case 'U': - cfg->do_unload = true; - break; - case 'p': - cfg->xsk_poll_mode = true; - break; - case 'q': - verbose = false; - break; - case 'Q': - cfg->xsk_if_queue = atoi(optarg); - break; - case 1: /* --filename */ - dest = (char *)&cfg->filename; - strncpy(dest, optarg, sizeof(cfg->filename)); - break; - case 2: /* --progsec */ - dest = (char *)&cfg->progsec; - strncpy(dest, optarg, sizeof(cfg->progsec)); - break; - case 'L': /* --src-mac */ - dest = (char *)&cfg->src_mac; - strncpy(dest, optarg, sizeof(cfg->src_mac)); - break; - case 'R': /* --dest-mac */ - dest = (char *)&cfg->dest_mac; - strncpy(dest, optarg, sizeof(cfg->dest_mac)); - case 'c': - cfg->xsk_bind_flags &= XDP_ZEROCOPY; - cfg->xsk_bind_flags |= XDP_COPY; - break; - case 'z': - cfg->xsk_bind_flags &= XDP_COPY; - cfg->xsk_bind_flags |= XDP_ZEROCOPY; - break; - case 'h': - full_help = true; - /* fall-through */ - error: - default: - usage(argv[0], doc, options_wrapper, full_help); - free(long_options); - exit(EXIT_FAIL_OPTION); - } - } - free(long_options); -} |