mirror of
https://github.com/freebsd/freebsd-src
synced 2024-10-15 04:43:53 +00:00
netmap: valectl: switch to libnetmap
Use the newer libnetmap (included in base) rather than the older nm_open()/nm_close() defined in netmap_user.h MFC after: 3 days
This commit is contained in:
Vincenzo Maffione
parent
91c60ce828
commit
9fd3f663da
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=367935
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@ -5,4 +5,6 @@ MAN= valectl.8
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WARNS?= 3
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LIBADD= netmap
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.include <bsd.prog.mk>
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@ -25,9 +25,8 @@
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/* $FreeBSD$ */
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#define NETMAP_WITH_LIBS
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#include <net/netmap_user.h>
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#include <net/netmap.h>
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#define LIBNETMAP_NOTHREADSAFE
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#include <libnetmap.h>
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#include <errno.h>
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#include <stdio.h>
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@ -42,14 +41,58 @@
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#include <libgen.h> /* basename */
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#include <stdlib.h> /* atoi, free */
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int verbose;
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struct args {
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const char *name;
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const char *config;
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const char *mem_id;
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uint16_t nr_reqtype;
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uint32_t nr_mode;
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};
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static void
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parse_nmr_config(const char* conf, struct nmreq *nmr)
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dump_port_info(struct nmreq_port_info_get *v)
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{
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printf("memsize: %"PRIu64"\n", v->nr_memsize);
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printf("tx_slots: %"PRIu32"\n", v->nr_tx_slots);
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printf("rx_slots: %"PRIu32"\n", v->nr_rx_slots);
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printf("tx_rings: %"PRIu16"\n", v->nr_tx_rings);
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printf("rx_rings %"PRIu16"\n", v->nr_rx_rings);
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printf("mem_id: %"PRIu16"\n", v->nr_mem_id);
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}
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static void
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dump_newif(struct nmreq_vale_newif *v)
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{
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printf("tx_slots: %"PRIu32"\n", v->nr_tx_slots);
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printf("rx_slots: %"PRIu32"\n", v->nr_rx_slots);
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printf("tx_rings: %"PRIu16"\n", v->nr_tx_rings);
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printf("rx_ring: %"PRIu16"\n", v->nr_rx_rings);
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printf("mem_id: %"PRIu16"\n", v->nr_mem_id);
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}
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static void
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dump_vale_list(struct nmreq_vale_list *v)
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{
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printf("bridge_idx: %"PRIu16"\n", v->nr_bridge_idx);
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printf("port_idx: %"PRIu16"\n", v->nr_port_idx);
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}
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static void
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parse_ring_config(const char* conf,
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uint32_t *nr_tx_slots,
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uint32_t *nr_rx_slots,
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uint16_t *nr_tx_rings,
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uint16_t *nr_rx_rings)
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{
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char *w, *tok;
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int i, v;
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nmr->nr_tx_rings = nmr->nr_rx_rings = 0;
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nmr->nr_tx_slots = nmr->nr_rx_slots = 0;
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*nr_tx_rings = *nr_rx_rings = 0;
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*nr_tx_slots = *nr_rx_slots = 0;
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if (conf == NULL || ! *conf)
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return;
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w = strdup(conf);
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@ -57,137 +100,235 @@ parse_nmr_config(const char* conf, struct nmreq *nmr)
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v = atoi(tok);
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switch (i) {
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case 0:
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nmr->nr_tx_slots = nmr->nr_rx_slots = v;
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*nr_tx_slots = *nr_rx_slots = v;
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break;
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case 1:
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nmr->nr_rx_slots = v;
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*nr_rx_slots = v;
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break;
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case 2:
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nmr->nr_tx_rings = nmr->nr_rx_rings = v;
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*nr_tx_rings = *nr_rx_rings = v;
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break;
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case 3:
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nmr->nr_rx_rings = v;
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*nr_rx_rings = v;
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break;
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default:
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D("ignored config: %s", tok);
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fprintf(stderr, "ignored config: %s", tok);
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break;
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}
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}
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D("txr %d txd %d rxr %d rxd %d",
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nmr->nr_tx_rings, nmr->nr_tx_slots,
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nmr->nr_rx_rings, nmr->nr_rx_slots);
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ND("txr %d txd %d rxr %d rxd %d",
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*nr_tx_rings, *nr_tx_slots,
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*nr_rx_rings, *nr_rx_slots);
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free(w);
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}
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static int
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bdg_ctl(const char *name, int nr_cmd, int nr_arg, char *nmr_config, int nr_arg2)
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parse_poll_config(const char *conf, struct nmreq_vale_polling *v)
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{
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struct nmreq nmr;
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int error = 0;
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int fd = open("/dev/netmap", O_RDWR);
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char *w, *tok;
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int i, p;
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if (fd == -1) {
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D("Unable to open /dev/netmap");
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if (conf == NULL || ! *conf) {
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fprintf(stderr, "invalid null/empty config\n");
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return -1;
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}
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bzero(&nmr, sizeof(nmr));
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nmr.nr_version = NETMAP_API;
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if (name != NULL) /* might be NULL */
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strncpy(nmr.nr_name, name, sizeof(nmr.nr_name)-1);
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nmr.nr_cmd = nr_cmd;
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parse_nmr_config(nmr_config, &nmr);
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nmr.nr_arg2 = nr_arg2;
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switch (nr_cmd) {
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case NETMAP_BDG_DELIF:
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case NETMAP_BDG_NEWIF:
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error = ioctl(fd, NIOCREGIF, &nmr);
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if (error == -1) {
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ND("Unable to %s %s", nr_cmd == NETMAP_BDG_DELIF ? "delete":"create", name);
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perror(name);
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} else {
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ND("Success to %s %s", nr_cmd == NETMAP_BDG_DELIF ? "delete":"create", name);
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}
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break;
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case NETMAP_BDG_ATTACH:
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case NETMAP_BDG_DETACH:
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nmr.nr_flags = NR_REG_ALL_NIC;
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if (nr_arg && nr_arg != NETMAP_BDG_HOST) {
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nmr.nr_flags = NR_REG_NIC_SW;
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nr_arg = 0;
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}
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nmr.nr_arg1 = nr_arg;
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error = ioctl(fd, NIOCREGIF, &nmr);
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if (error == -1) {
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ND("Unable to %s %s to the bridge", nr_cmd ==
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NETMAP_BDG_DETACH?"detach":"attach", name);
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perror(name);
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} else
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ND("Success to %s %s to the bridge", nr_cmd ==
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NETMAP_BDG_DETACH?"detach":"attach", name);
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break;
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case NETMAP_BDG_LIST:
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if (strlen(nmr.nr_name)) { /* name to bridge/port info */
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error = ioctl(fd, NIOCGINFO, &nmr);
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if (error) {
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ND("Unable to obtain info for %s", name);
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perror(name);
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} else
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D("%s at bridge:%d port:%d", name, nmr.nr_arg1,
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nmr.nr_arg2);
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w = strdup(conf);
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for (i = 0, tok = strtok(w, ","); tok; i++, tok = strtok(NULL, ",")) {
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p = atoi(tok);
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switch (i) {
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case 0:
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v->nr_mode = p ? NETMAP_POLLING_MODE_MULTI_CPU :
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NETMAP_POLLING_MODE_SINGLE_CPU;
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break;
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case 1:
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v->nr_first_cpu_id = p;
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break;
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case 2:
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if (v->nr_mode != NETMAP_POLLING_MODE_MULTI_CPU) {
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fprintf(stderr, "too many numbers in '%s'\n", conf);
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return -1;
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}
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v->nr_num_polling_cpus = p;
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break;
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case 3:
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fprintf(stderr, "too many numbers in '%s'\n", conf);
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return -1;
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}
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}
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free(w);
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return 0;
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}
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/* scan all the bridges and ports */
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nmr.nr_arg1 = nmr.nr_arg2 = 0;
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for (; !ioctl(fd, NIOCGINFO, &nmr); nmr.nr_arg2++) {
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D("bridge:%d port:%d %s", nmr.nr_arg1, nmr.nr_arg2,
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nmr.nr_name);
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nmr.nr_name[0] = '\0';
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static int32_t
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parse_mem_id(const char *mem_id)
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{
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int32_t id;
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if (mem_id == NULL)
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return 0;
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if (isdigit(*mem_id))
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return atoi(mem_id);
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id = nmreq_get_mem_id(&mem_id, nmctx_get());
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if (id == 0) {
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fprintf(stderr, "invalid format in '-m %s' (missing 'netmap:'?)\n", mem_id);
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return -1;
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}
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return id;
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}
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static int
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list_all(int fd, struct nmreq_header *hdr)
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{
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int error;
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struct nmreq_vale_list *vale_list =
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(struct nmreq_vale_list *)hdr->nr_body;
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for (;;) {
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hdr->nr_name[0] = '\0';
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error = ioctl(fd, NIOCCTRL, hdr);
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if (error < 0) {
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if (errno == ENOENT)
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break;
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fprintf(stderr, "failed to list all: %s\n", strerror(errno));
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return 1;
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}
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printf("%s bridge_idx %"PRIu16" port_idx %"PRIu32"\n", hdr->nr_name,
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vale_list->nr_bridge_idx, vale_list->nr_port_idx);
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vale_list->nr_port_idx++;
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}
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return 1;
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}
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static int
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bdg_ctl(struct args *a)
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{
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struct nmreq_header hdr;
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struct nmreq_vale_attach vale_attach;
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struct nmreq_vale_detach vale_detach;
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struct nmreq_vale_newif vale_newif;
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struct nmreq_vale_list vale_list;
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struct nmreq_vale_polling vale_polling;
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struct nmreq_port_info_get port_info_get;
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int error = 0;
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int fd;
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int32_t mem_id;
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const char *action = NULL;
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fd = open("/dev/netmap", O_RDWR);
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if (fd == -1) {
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perror("/dev/netmap");
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return 1;
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}
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bzero(&hdr, sizeof(hdr));
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hdr.nr_version = NETMAP_API;
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if (a->name != NULL) { /* might be NULL */
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strncpy(hdr.nr_name, a->name, NETMAP_REQ_IFNAMSIZ - 1);
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hdr.nr_name[NETMAP_REQ_IFNAMSIZ - 1] = '\0';
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}
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hdr.nr_reqtype = a->nr_reqtype;
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switch (a->nr_reqtype) {
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case NETMAP_REQ_VALE_DELIF:
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/* no body */
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action = "remove";
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break;
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case NETMAP_BDG_POLLING_ON:
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case NETMAP_BDG_POLLING_OFF:
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/* We reuse nmreq fields as follows:
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* nr_tx_slots: 0 and non-zero indicate REG_ALL_NIC
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* REG_ONE_NIC, respectively.
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* nr_rx_slots: CPU core index. This also indicates the
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* first queue in the case of REG_ONE_NIC
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* nr_tx_rings: (REG_ONE_NIC only) indicates the
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* number of CPU cores or the last queue
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*/
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nmr.nr_flags |= nmr.nr_tx_slots ?
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NR_REG_ONE_NIC : NR_REG_ALL_NIC;
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nmr.nr_ringid = nmr.nr_rx_slots;
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/* number of cores/rings */
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if (nmr.nr_flags == NR_REG_ALL_NIC)
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nmr.nr_arg1 = 1;
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else
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nmr.nr_arg1 = nmr.nr_tx_rings;
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error = ioctl(fd, NIOCREGIF, &nmr);
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if (!error)
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D("polling on %s %s", nmr.nr_name,
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nr_cmd == NETMAP_BDG_POLLING_ON ?
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"started" : "stopped");
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else
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D("polling on %s %s (err %d)", nmr.nr_name,
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nr_cmd == NETMAP_BDG_POLLING_ON ?
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"couldn't start" : "couldn't stop", error);
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case NETMAP_REQ_VALE_NEWIF:
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memset(&vale_newif, 0, sizeof(vale_newif));
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hdr.nr_body = (uintptr_t)&vale_newif;
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parse_ring_config(a->config,
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&vale_newif.nr_tx_slots,
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&vale_newif.nr_rx_slots,
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&vale_newif.nr_tx_rings,
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&vale_newif.nr_rx_rings);
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mem_id = parse_mem_id(a->mem_id);
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if (mem_id < 0)
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return 1;
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vale_newif.nr_mem_id = mem_id;
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action = "create";
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break;
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default: /* GINFO */
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nmr.nr_cmd = nmr.nr_arg1 = nmr.nr_arg2 = 0;
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error = ioctl(fd, NIOCGINFO, &nmr);
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if (error) {
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ND("Unable to get if info for %s", name);
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perror(name);
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} else
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D("%s: %d queues.", name, nmr.nr_rx_rings);
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case NETMAP_REQ_VALE_ATTACH:
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memset(&vale_attach, 0, sizeof(vale_attach));
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hdr.nr_body = (uintptr_t)&vale_attach;
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vale_attach.reg.nr_mode = a->nr_mode;
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parse_ring_config(a->config,
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&vale_attach.reg.nr_tx_slots,
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&vale_attach.reg.nr_rx_slots,
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&vale_attach.reg.nr_tx_rings,
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&vale_attach.reg.nr_rx_rings);
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mem_id = parse_mem_id(a->mem_id);
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if (mem_id < 0)
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return 1;
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vale_attach.reg.nr_mem_id = mem_id;
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action = "attach";
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break;
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case NETMAP_REQ_VALE_DETACH:
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memset(&vale_detach, 0, sizeof(vale_detach));
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hdr.nr_body = (uintptr_t)&vale_detach;
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action = "detach";
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break;
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case NETMAP_REQ_VALE_LIST:
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memset(&vale_list, 0, sizeof(vale_list));
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hdr.nr_body = (uintptr_t)&vale_list;
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if (a->name == NULL) {
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return list_all(fd, &hdr);
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}
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action = "list";
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break;
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case NETMAP_REQ_VALE_POLLING_ENABLE:
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action = "enable polling on";
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/* fall through */
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case NETMAP_REQ_VALE_POLLING_DISABLE:
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memset(&vale_polling, 0, sizeof(vale_polling));
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hdr.nr_body = (uintptr_t)&vale_polling;
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parse_poll_config(a->config, &vale_polling);
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if (action == NULL)
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action ="disable polling on";
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break;
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case NETMAP_REQ_PORT_INFO_GET:
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memset(&port_info_get, 0, sizeof(port_info_get));
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hdr.nr_body = (uintptr_t)&port_info_get;
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action = "obtain info for";
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break;
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}
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error = ioctl(fd, NIOCCTRL, &hdr);
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if (error < 0) {
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fprintf(stderr, "failed to %s %s: %s\n",
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action, a->name, strerror(errno));
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return 1;
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}
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switch (hdr.nr_reqtype) {
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case NETMAP_REQ_VALE_NEWIF:
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if (verbose) {
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dump_newif(&vale_newif);
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}
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break;
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case NETMAP_REQ_VALE_ATTACH:
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if (verbose) {
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printf("port_index: %"PRIu32"\n", vale_attach.port_index);
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}
|
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break;
|
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case NETMAP_REQ_VALE_DETACH:
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if (verbose) {
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printf("port_index: %"PRIu32"\n", vale_detach.port_index);
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}
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break;
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case NETMAP_REQ_VALE_LIST:
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dump_vale_list(&vale_list);
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break;
|
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case NETMAP_REQ_PORT_INFO_GET:
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dump_port_info(&port_info_get);
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break;
|
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}
|
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close(fd);
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|
|
@ -199,82 +340,106 @@ usage(int errcode)
|
|||
{
|
||||
fprintf(stderr,
|
||||
"Usage:\n"
|
||||
"valectl arguments\n"
|
||||
"vale-ctl [arguments]\n"
|
||||
"\t-g interface interface name to get info\n"
|
||||
"\t-d interface interface name to be detached\n"
|
||||
"\t-a interface interface name to be attached\n"
|
||||
"\t-h interface interface name to be attached with the host stack\n"
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||||
"\t-n interface interface name to be created\n"
|
||||
"\t-r interface interface name to be deleted\n"
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||||
"\t-l list all or specified bridge's interfaces (default)\n"
|
||||
"\t-l vale-port show bridge and port indices\n"
|
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"\t-C string ring/slot setting of an interface creating by -n\n"
|
||||
"\t-p interface start polling. Additional -C x,y,z configures\n"
|
||||
"\t\t x: 0 (REG_ALL_NIC) or 1 (REG_ONE_NIC),\n"
|
||||
"\t\t y: CPU core id for ALL_NIC and core/ring for ONE_NIC\n"
|
||||
"\t\t z: (ONE_NIC only) num of total cores/rings\n"
|
||||
"\t-P interface stop polling\n"
|
||||
"\t-m memid to use when creating a new interface\n");
|
||||
"\t-m memid to use when creating a new interface\n"
|
||||
"\t-v increase verbosity\n"
|
||||
"with no arguments: list all existing vale ports\n");
|
||||
exit(errcode);
|
||||
}
|
||||
|
||||
int
|
||||
main(int argc, char *argv[])
|
||||
{
|
||||
int ch, nr_cmd = 0, nr_arg = 0;
|
||||
char *name = NULL, *nmr_config = NULL;
|
||||
int nr_arg2 = 0;
|
||||
int ch;
|
||||
struct args a = {
|
||||
.name = NULL,
|
||||
.config = NULL,
|
||||
.mem_id = NULL,
|
||||
.nr_reqtype = 0,
|
||||
.nr_mode = NR_REG_ALL_NIC,
|
||||
};
|
||||
|
||||
while ((ch = getopt(argc, argv, "d:a:h:g:l:n:r:C:p:P:m:")) != -1) {
|
||||
if (ch != 'C' && ch != 'm')
|
||||
name = optarg; /* default */
|
||||
while ((ch = getopt(argc, argv, "d:a:h:g:l:n:r:C:p:P:m:v")) != -1) {
|
||||
switch (ch) {
|
||||
default:
|
||||
fprintf(stderr, "bad option %c %s", ch, optarg);
|
||||
usage(-1);
|
||||
usage(1);
|
||||
break;
|
||||
case 'd':
|
||||
nr_cmd = NETMAP_BDG_DETACH;
|
||||
a.nr_reqtype = NETMAP_REQ_VALE_DETACH;
|
||||
a.name = optarg;
|
||||
break;
|
||||
case 'a':
|
||||
nr_cmd = NETMAP_BDG_ATTACH;
|
||||
a.nr_reqtype = NETMAP_REQ_VALE_ATTACH;
|
||||
a.nr_mode = NR_REG_ALL_NIC;
|
||||
a.name = optarg;
|
||||
break;
|
||||
case 'h':
|
||||
nr_cmd = NETMAP_BDG_ATTACH;
|
||||
nr_arg = NETMAP_BDG_HOST;
|
||||
a.nr_reqtype = NETMAP_REQ_VALE_ATTACH;
|
||||
a.nr_mode = NR_REG_NIC_SW;
|
||||
a.name = optarg;
|
||||
break;
|
||||
case 'n':
|
||||
nr_cmd = NETMAP_BDG_NEWIF;
|
||||
a.nr_reqtype = NETMAP_REQ_VALE_NEWIF;
|
||||
a.name = optarg;
|
||||
break;
|
||||
case 'r':
|
||||
nr_cmd = NETMAP_BDG_DELIF;
|
||||
a.nr_reqtype = NETMAP_REQ_VALE_DELIF;
|
||||
a.name = optarg;
|
||||
break;
|
||||
case 'g':
|
||||
nr_cmd = 0;
|
||||
a.nr_reqtype = NETMAP_REQ_PORT_INFO_GET;
|
||||
a.name = optarg;
|
||||
break;
|
||||
case 'l':
|
||||
nr_cmd = NETMAP_BDG_LIST;
|
||||
a.nr_reqtype = NETMAP_REQ_VALE_LIST;
|
||||
a.name = optarg;
|
||||
if (strncmp(a.name, NM_BDG_NAME, strlen(NM_BDG_NAME))) {
|
||||
fprintf(stderr, "invalid vale port name: '%s'\n", a.name);
|
||||
usage(1);
|
||||
}
|
||||
break;
|
||||
case 'C':
|
||||
nmr_config = strdup(optarg);
|
||||
a.config = optarg;
|
||||
break;
|
||||
case 'p':
|
||||
nr_cmd = NETMAP_BDG_POLLING_ON;
|
||||
a.nr_reqtype = NETMAP_REQ_VALE_POLLING_ENABLE;
|
||||
a.name = optarg;
|
||||
break;
|
||||
case 'P':
|
||||
nr_cmd = NETMAP_BDG_POLLING_OFF;
|
||||
a.nr_reqtype = NETMAP_REQ_VALE_POLLING_DISABLE;
|
||||
a.name = optarg;
|
||||
break;
|
||||
case 'm':
|
||||
nr_arg2 = atoi(optarg);
|
||||
a.mem_id = optarg;
|
||||
break;
|
||||
case 'v':
|
||||
verbose++;
|
||||
break;
|
||||
}
|
||||
}
|
||||
if (optind != argc) {
|
||||
// fprintf(stderr, "optind %d argc %d\n", optind, argc);
|
||||
usage(-1);
|
||||
usage(1);
|
||||
}
|
||||
if (argc == 1) {
|
||||
nr_cmd = NETMAP_BDG_LIST;
|
||||
name = NULL;
|
||||
a.nr_reqtype = NETMAP_REQ_VALE_LIST;
|
||||
a.name = NULL;
|
||||
}
|
||||
return bdg_ctl(name, nr_cmd, nr_arg, nmr_config, nr_arg2) ? 1 : 0;
|
||||
if (!a.nr_reqtype) {
|
||||
usage(1);
|
||||
}
|
||||
return bdg_ctl(&a);
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in a new issue