Lines Matching +full:individual +full:- +full:port +full:- +full:switching
1 /*-
2 * SPDX-License-Identifier: BSD-2-Clause
52 * under the protection of the table lock, individual entry changes happen
75 rw_assert(&d->lock, RA_WLOCKED); in t4_alloc_l2e()
76 if (__predict_false(d->l2t_stopped)) in t4_alloc_l2e()
78 if (!atomic_load_acq_int(&d->nfree)) in t4_alloc_l2e()
82 for (e = d->rover, end = &d->l2tab[d->l2t_size]; e != end; ++e) in t4_alloc_l2e()
83 if (atomic_load_acq_int(&e->refcnt) == 0) in t4_alloc_l2e()
86 for (e = d->l2tab; atomic_load_acq_int(&e->refcnt); ++e) in t4_alloc_l2e()
89 d->rover = e + 1; in t4_alloc_l2e()
90 atomic_subtract_int(&d->nfree, 1); in t4_alloc_l2e()
96 if (e->state < L2T_STATE_SWITCHING) { in t4_alloc_l2e()
97 for (p = &d->l2tab[e->hash].first; *p; p = &(*p)->next) { in t4_alloc_l2e()
99 *p = e->next; in t4_alloc_l2e()
100 e->next = NULL; in t4_alloc_l2e()
106 e->state = L2T_STATE_UNUSED; in t4_alloc_l2e()
111 find_or_alloc_l2e(struct l2t_data *d, uint16_t vlan, uint8_t port, uint8_t *dmac) in find_or_alloc_l2e() argument
116 for (e = &d->l2tab[0], end = &d->l2tab[d->l2t_size]; e != end; ++e) { in find_or_alloc_l2e()
117 if (atomic_load_acq_int(&e->refcnt) == 0) { in find_or_alloc_l2e()
120 } else if (e->state == L2T_STATE_SWITCHING && in find_or_alloc_l2e()
121 memcmp(e->dmac, dmac, ETHER_ADDR_LEN) == 0 && in find_or_alloc_l2e()
122 e->vlan == vlan && e->lport == port) in find_or_alloc_l2e()
134 if (e->state < L2T_STATE_SWITCHING) { in find_or_alloc_l2e()
135 for (p = &d->l2tab[e->hash].first; *p; p = &(*p)->next) { in find_or_alloc_l2e()
137 *p = e->next; in find_or_alloc_l2e()
138 e->next = NULL; in find_or_alloc_l2e()
143 e->state = L2T_STATE_UNUSED; in find_or_alloc_l2e()
155 idx = e->idx + sc->vres.l2t.start; in mk_write_l2e()
158 V_SYNC_WR(sync) | V_TID_QID(e->iqid))); in mk_write_l2e()
159 req->params = htons(V_L2T_W_PORT(e->lport) | V_L2T_W_NOREPLY(!reply)); in mk_write_l2e()
160 req->l2t_idx = htons(idx); in mk_write_l2e()
161 req->vlan = htons(e->vlan); in mk_write_l2e()
162 memcpy(req->dst_mac, e->dmac, sizeof(req->dst_mac)); in mk_write_l2e()
177 mtx_assert(&e->lock, MA_OWNED); in t4_write_l2e()
178 MPASS(e->wrq != NULL); in t4_write_l2e()
180 wrq = e->wrq; in t4_write_l2e()
181 sc = wrq->adapter; in t4_write_l2e()
191 if (sync && e->state != L2T_STATE_SWITCHING) in t4_write_l2e()
192 e->state = L2T_STATE_SYNC_WRITE; in t4_write_l2e()
206 * To avoid races, separate L2T entries are reserved for individual
212 int *ndesc, uint16_t vlan, uint8_t port, uint8_t *eth_addr) in t4_l2t_alloc_tls() argument
220 d = sc->l2t; in t4_l2t_alloc_tls()
223 rw_rlock(&d->lock); in t4_l2t_alloc_tls()
226 for (i = 0; i < d->l2t_size; i++) { in t4_l2t_alloc_tls()
227 e = &d->l2tab[i]; in t4_l2t_alloc_tls()
228 if (e->state != L2T_STATE_TLS) in t4_l2t_alloc_tls()
230 if (e->vlan == vlan && e->lport == port && in t4_l2t_alloc_tls()
231 e->wrq == (struct sge_wrq *)txq && in t4_l2t_alloc_tls()
232 memcmp(e->dmac, eth_addr, ETHER_ADDR_LEN) == 0) { in t4_l2t_alloc_tls()
233 if (atomic_fetchadd_int(&e->refcnt, 1) == 0) { in t4_l2t_alloc_tls()
238 atomic_subtract_int(&d->nfree, 1); in t4_l2t_alloc_tls()
240 KASSERT(e->refcnt > 0, in t4_l2t_alloc_tls()
242 rw_runlock(&d->lock); in t4_l2t_alloc_tls()
251 if (!rw_try_upgrade(&d->lock)) { in t4_l2t_alloc_tls()
252 rw_runlock(&d->lock); in t4_l2t_alloc_tls()
253 rw_wlock(&d->lock); in t4_l2t_alloc_tls()
259 rw_wunlock(&d->lock); in t4_l2t_alloc_tls()
264 e->state = L2T_STATE_TLS; in t4_l2t_alloc_tls()
265 e->vlan = vlan; in t4_l2t_alloc_tls()
266 e->lport = port; in t4_l2t_alloc_tls()
267 e->iqid = sc->sge.fwq.abs_id; in t4_l2t_alloc_tls()
268 e->wrq = (struct sge_wrq *)txq; in t4_l2t_alloc_tls()
269 memcpy(e->dmac, eth_addr, ETHER_ADDR_LEN); in t4_l2t_alloc_tls()
270 atomic_store_rel_int(&e->refcnt, 1); in t4_l2t_alloc_tls()
271 rw_wunlock(&d->lock); in t4_l2t_alloc_tls()
282 * Allocate an L2T entry for use by a switching rule. Such need to be
287 t4_l2t_alloc_switching(struct adapter *sc, uint16_t vlan, uint8_t port, in t4_l2t_alloc_switching() argument
290 struct l2t_data *d = sc->l2t; in t4_l2t_alloc_switching()
294 rw_wlock(&d->lock); in t4_l2t_alloc_switching()
295 if (__predict_false(d->l2t_stopped)) in t4_l2t_alloc_switching()
298 e = find_or_alloc_l2e(d, vlan, port, eth_addr); in t4_l2t_alloc_switching()
300 if (atomic_load_acq_int(&e->refcnt) == 0) { in t4_l2t_alloc_switching()
301 mtx_lock(&e->lock); /* avoid race with t4_l2t_free */ in t4_l2t_alloc_switching()
302 e->wrq = &sc->sge.ctrlq[0]; in t4_l2t_alloc_switching()
303 e->iqid = sc->sge.fwq.abs_id; in t4_l2t_alloc_switching()
304 e->state = L2T_STATE_SWITCHING; in t4_l2t_alloc_switching()
305 e->vlan = vlan; in t4_l2t_alloc_switching()
306 e->lport = port; in t4_l2t_alloc_switching()
307 memcpy(e->dmac, eth_addr, ETHER_ADDR_LEN); in t4_l2t_alloc_switching()
308 atomic_store_rel_int(&e->refcnt, 1); in t4_l2t_alloc_switching()
309 atomic_subtract_int(&d->nfree, 1); in t4_l2t_alloc_switching()
311 mtx_unlock(&e->lock); in t4_l2t_alloc_switching()
315 MPASS(e->vlan == vlan); in t4_l2t_alloc_switching()
316 MPASS(e->lport == port); in t4_l2t_alloc_switching()
317 atomic_add_int(&e->refcnt, 1); in t4_l2t_alloc_switching()
320 rw_wunlock(&d->lock); in t4_l2t_alloc_switching()
330 l2t_size = sc->vres.l2t.size; in t4_init_l2t()
339 d->l2t_size = l2t_size; in t4_init_l2t()
340 d->l2t_stopped = false; in t4_init_l2t()
341 d->rover = d->l2tab; in t4_init_l2t()
342 atomic_store_rel_int(&d->nfree, l2t_size); in t4_init_l2t()
343 rw_init(&d->lock, "L2T"); in t4_init_l2t()
346 struct l2t_entry *e = &d->l2tab[i]; in t4_init_l2t()
348 e->idx = i; in t4_init_l2t()
349 e->state = L2T_STATE_UNUSED; in t4_init_l2t()
350 mtx_init(&e->lock, "L2T_E", NULL, MTX_DEF); in t4_init_l2t()
351 STAILQ_INIT(&e->wr_list); in t4_init_l2t()
352 atomic_store_rel_int(&e->refcnt, 0); in t4_init_l2t()
355 sc->l2t = d; in t4_init_l2t()
363 struct l2t_data *d = sc->l2t; in t4_free_l2t()
366 for (i = 0; i < d->l2t_size; i++) in t4_free_l2t()
367 mtx_destroy(&d->l2tab[i].lock); in t4_free_l2t()
368 rw_destroy(&d->lock); in t4_free_l2t()
377 struct l2t_data *d = sc->l2t; in t4_stop_l2t()
381 rw_wlock(&d->lock); in t4_stop_l2t()
382 d->l2t_stopped = true; in t4_stop_l2t()
383 rw_wunlock(&d->lock); in t4_stop_l2t()
391 struct l2t_data *d = sc->l2t; in t4_restart_l2t()
395 rw_wlock(&d->lock); in t4_restart_l2t()
396 d->l2t_stopped = false; in t4_restart_l2t()
397 rw_wunlock(&d->lock); in t4_restart_l2t()
406 struct adapter *sc = iq->adapter; in do_l2t_write_rpl()
411 MPASS(iq->abs_id == G_TID_QID(GET_TID(rpl))); in do_l2t_write_rpl()
413 if (__predict_false(hwidx < sc->vres.l2t.start) || in do_l2t_write_rpl()
414 __predict_false(hwidx >= sc->vres.l2t.start + sc->vres.l2t.size) || in do_l2t_write_rpl()
415 __predict_false(rpl->status != CPL_ERR_NONE)) { in do_l2t_write_rpl()
417 __func__, hwidx, rpl->status, sync, sc->vres.l2t.start, in do_l2t_write_rpl()
418 sc->vres.l2t.size); in do_l2t_write_rpl()
428 return e->vlan >> 13; in vlan_prio()
434 switch (e->state) { in l2e_state()
435 case L2T_STATE_VALID: return 'V'; /* valid, fast-path entry */ in l2e_state()
438 case L2T_STATE_RESOLVING: return STAILQ_EMPTY(&e->wr_list) ? 'R' : 'A'; in l2e_state()
449 struct l2t_data *l2t = sc->l2t; in sysctl_l2t()
466 e = &l2t->l2tab[0]; in sysctl_l2t()
467 for (i = 0; i < l2t->l2t_size; i++, e++) { in sysctl_l2t()
468 mtx_lock(&e->lock); in sysctl_l2t()
469 if (e->state == L2T_STATE_UNUSED) in sysctl_l2t()
474 "Ethernet address VLAN/P LP State Users Port"); in sysctl_l2t()
477 if (e->state >= L2T_STATE_SWITCHING) in sysctl_l2t()
480 inet_ntop(e->ipv6 ? AF_INET6 : AF_INET, &e->addr[0], in sysctl_l2t()
487 sbuf_printf(sb, "\n%4u %-15s %02x:%02x:%02x:%02x:%02x:%02x %4d" in sysctl_l2t()
489 e->idx, ip, e->dmac[0], e->dmac[1], e->dmac[2], in sysctl_l2t()
490 e->dmac[3], e->dmac[4], e->dmac[5], in sysctl_l2t()
491 e->vlan & 0xfff, vlan_prio(e), e->lport, in sysctl_l2t()
492 l2e_state(e), atomic_load_acq_int(&e->refcnt), in sysctl_l2t()
493 e->ifp ? if_name(e->ifp) : "-"); in sysctl_l2t()
495 mtx_unlock(&e->lock); in sysctl_l2t()