Lines Matching +full:0 +full:e
73 struct l2t_entry *end, *e, **p;
82 for (e = d->rover, end = &d->l2tab[d->l2t_size]; e != end; ++e)
83 if (atomic_load_acq_int(&e->refcnt) == 0)
86 for (e = d->l2tab; atomic_load_acq_int(&e->refcnt); ++e)
89 d->rover = e + 1;
96 if (e->state < L2T_STATE_SWITCHING) {
97 for (p = &d->l2tab[e->hash].first; *p; p = &(*p)->next) {
98 if (*p == e) {
99 *p = e->next;
100 e->next = NULL;
106 e->state = L2T_STATE_UNUSED;
107 return (e);
113 struct l2t_entry *end, *e, **p;
116 for (e = &d->l2tab[0], end = &d->l2tab[d->l2t_size]; e != end; ++e) {
117 if (atomic_load_acq_int(&e->refcnt) == 0) {
119 first_free = e;
120 } else if (e->state == L2T_STATE_SWITCHING &&
121 memcmp(e->dmac, dmac, ETHER_ADDR_LEN) == 0 &&
122 e->vlan == vlan && e->lport == port)
123 return (e); /* Found existing entry that matches. */
133 e = first_free;
134 if (e->state < L2T_STATE_SWITCHING) {
135 for (p = &d->l2tab[e->hash].first; *p; p = &(*p)->next) {
136 if (*p == e) {
137 *p = e->next;
138 e->next = NULL;
143 e->state = L2T_STATE_UNUSED;
144 return (e);
148 mk_write_l2e(struct adapter *sc, struct l2t_entry *e, int sync, int reply,
155 idx = e->idx + sc->vres.l2t.start;
156 INIT_TP_WR(req, 0);
158 V_SYNC_WR(sync) | V_TID_QID(e->iqid)));
159 req->params = htons(V_L2T_W_PORT(e->lport) | V_L2T_W_NOREPLY(!reply));
161 req->vlan = htons(e->vlan);
162 memcpy(req->dst_mac, e->dmac, sizeof(req->dst_mac));
170 t4_write_l2e(struct l2t_entry *e, int sync)
177 mtx_assert(&e->lock, MA_OWNED);
178 MPASS(e->wrq != NULL);
180 wrq = e->wrq;
187 mk_write_l2e(sc, e, sync, sync, req);
191 if (sync && e->state != L2T_STATE_SWITCHING)
192 e->state = L2T_STATE_SYNC_WRITE;
194 return (0);
204 * will be set to 0.
215 struct l2t_entry *e;
221 *ndesc = 0;
226 for (i = 0; i < d->l2t_size; i++) {
227 e = &d->l2tab[i];
228 if (e->state != L2T_STATE_TLS)
230 if (e->vlan == vlan && e->lport == port &&
231 e->wrq == (struct sge_wrq *)txq &&
232 memcmp(e->dmac, eth_addr, ETHER_ADDR_LEN) == 0) {
233 if (atomic_fetchadd_int(&e->refcnt, 1) == 0) {
240 KASSERT(e->refcnt > 0,
243 return (e);
257 e = t4_alloc_l2e(d);
258 if (e == NULL) {
260 return (e);
264 e->state = L2T_STATE_TLS;
265 e->vlan = vlan;
266 e->lport = port;
267 e->iqid = sc->sge.fwq.abs_id;
268 e->wrq = (struct sge_wrq *)txq;
269 memcpy(e->dmac, eth_addr, ETHER_ADDR_LEN);
270 atomic_store_rel_int(&e->refcnt, 1);
276 mk_write_l2e(sc, e, 1, 0, dst);
278 return (e);
291 struct l2t_entry *e;
296 e = NULL;
298 e = find_or_alloc_l2e(d, vlan, port, eth_addr);
299 if (e) {
300 if (atomic_load_acq_int(&e->refcnt) == 0) {
301 mtx_lock(&e->lock); /* avoid race with t4_l2t_free */
302 e->wrq = &sc->sge.ctrlq[0];
303 e->iqid = sc->sge.fwq.abs_id;
304 e->state = L2T_STATE_SWITCHING;
305 e->vlan = vlan;
306 e->lport = port;
307 memcpy(e->dmac, eth_addr, ETHER_ADDR_LEN);
308 atomic_store_rel_int(&e->refcnt, 1);
310 rc = t4_write_l2e(e, 0);
311 mtx_unlock(&e->lock);
312 if (rc != 0)
313 e = NULL;
315 MPASS(e->vlan == vlan);
316 MPASS(e->lport == port);
317 atomic_add_int(&e->refcnt, 1);
321 return (e);
345 for (i = 0; i < l2t_size; i++) {
346 struct l2t_entry *e = &d->l2tab[i];
348 e->idx = i;
349 e->state = L2T_STATE_UNUSED;
350 mtx_init(&e->lock, "L2T_E", NULL, MTX_DEF);
351 STAILQ_INIT(&e->wr_list);
352 atomic_store_rel_int(&e->refcnt, 0);
357 return (0);
366 for (i = 0; i < d->l2t_size; i++)
371 return (0);
383 return (0);
395 return (0);
418 return (0);
422 vlan_prio(const struct l2t_entry *e)
424 return e->vlan >> 13;
428 l2e_state(const struct l2t_entry *e)
430 switch (e->state) {
434 case L2T_STATE_RESOLVING: return STAILQ_EMPTY(&e->wr_list) ? 'R' : 'A';
446 struct l2t_entry *e;
448 int rc, i, header = 0;
454 rc = sysctl_wire_old_buffer(req, 0);
455 if (rc != 0)
462 e = &l2t->l2tab[0];
463 for (i = 0; i < l2t->l2t_size; i++, e++) {
464 mtx_lock(&e->lock);
465 if (e->state == L2T_STATE_UNUSED)
468 if (header == 0) {
473 if (e->state >= L2T_STATE_SWITCHING)
474 ip[0] = 0;
476 inet_ntop(e->ipv6 ? AF_INET6 : AF_INET, &e->addr[0],
477 &ip[0], sizeof(ip));
485 e->idx, ip, e->dmac[0], e->dmac[1], e->dmac[2],
486 e->dmac[3], e->dmac[4], e->dmac[5],
487 e->vlan & 0xfff, vlan_prio(e), e->lport,
488 l2e_state(e), atomic_load_acq_int(&e->refcnt),
489 e->ifp ? if_name(e->ifp) : "-");
491 mtx_unlock(&e->lock);