void cxgb_offload_deactivate(struct adapter *adapter) { struct t3cdev *tdev = &adapter->tdev; struct t3c_data *t = T3C_DATA(tdev); printf("removing adapter %p\n", adapter); remove_adapter(adapter); if (TAILQ_EMPTY(&adapter_list)) { #if defined(CONFIG_CHELSIO_T3_MODULE) restore_arp_sans_t3core(); #endif } free_tid_maps(&t->tid_maps); T3C_DATA(tdev) = NULL; t3_free_l2t(L2DATA(tdev)); L2DATA(tdev) = NULL; mtx_destroy(&t->tid_release_lock); free(t, M_CXGB); }
static void free_tom_data(struct tom_data *td) { KASSERT(TAILQ_EMPTY(&td->toep_list), ("%s: toep_list not empty", __func__)); if (td->listen_mask != 0) hashdestroy(td->listen_hash, M_CXGB, td->listen_mask); if (mtx_initialized(&td->toep_list_lock)) mtx_destroy(&td->toep_list_lock); if (mtx_initialized(&td->lctx_hash_lock)) mtx_destroy(&td->lctx_hash_lock); if (mtx_initialized(&td->tid_release_lock)) mtx_destroy(&td->tid_release_lock); if (td->l2t) t3_free_l2t(td->l2t); free_tid_tabs(&td->tid_maps); free(td, M_CXGB); }
int cxgb_offload_activate(struct adapter *adapter) { struct t3cdev *dev = &adapter->tdev; int natids, err; struct t3c_data *t; struct tid_range stid_range, tid_range; struct mtutab mtutab; unsigned int l2t_capacity; t = malloc(sizeof(*t), M_CXGB, M_NOWAIT|M_ZERO); if (!t) return (ENOMEM); dev->adapter = adapter; err = (EOPNOTSUPP); if (dev->ctl(dev, GET_TX_MAX_CHUNK, &t->tx_max_chunk) < 0 || dev->ctl(dev, GET_MAX_OUTSTANDING_WR, &t->max_wrs) < 0 || dev->ctl(dev, GET_L2T_CAPACITY, &l2t_capacity) < 0 || dev->ctl(dev, GET_MTUS, &mtutab) < 0 || dev->ctl(dev, GET_TID_RANGE, &tid_range) < 0 || dev->ctl(dev, GET_STID_RANGE, &stid_range) < 0) { device_printf(adapter->dev, "%s: dev->ctl check failed\n", __FUNCTION__); goto out_free; } err = (ENOMEM); L2DATA(dev) = t3_init_l2t(l2t_capacity); if (!L2DATA(dev)) { device_printf(adapter->dev, "%s: t3_init_l2t failed\n", __FUNCTION__); goto out_free; } natids = min(tid_range.num / 2, MAX_ATIDS); err = init_tid_tabs(&t->tid_maps, tid_range.num, natids, stid_range.num, ATID_BASE, stid_range.base); if (err) { device_printf(adapter->dev, "%s: init_tid_tabs failed\n", __FUNCTION__); goto out_free_l2t; } t->mtus = mtutab.mtus; t->nmtus = mtutab.size; TASK_INIT(&t->tid_release_task, 0 /* XXX? */, t3_process_tid_release_list, dev); mtx_init(&t->tid_release_lock, "tid release", NULL, MTX_DUPOK|MTX_DEF); t->dev = dev; T3C_DATA (dev) = t; dev->recv = process_rx; dev->arp_update = t3_l2t_update; /* Register netevent handler once */ if (TAILQ_EMPTY(&adapter_list)) { #if defined(CONFIG_CHELSIO_T3_MODULE) if (prepare_arp_with_t3core()) log(LOG_ERR, "Unable to set offload capabilities\n"); #endif } CTR1(KTR_CXGB, "adding adapter %p", adapter); add_adapter(adapter); device_printf(adapter->dev, "offload started\n"); adapter->flags |= CXGB_OFLD_INIT; return (0); out_free_l2t: t3_free_l2t(L2DATA(dev)); L2DATA(dev) = NULL; out_free: free(t, M_CXGB); return (err); }