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t4_main.c (284052) t4_main.c (284089)
1/*-
2 * Copyright (c) 2011 Chelsio Communications, Inc.
3 * All rights reserved.
4 * Written by: Navdeep Parhar <np@FreeBSD.org>
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:

--- 12 unchanged lines hidden (view full) ---

21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25 * SUCH DAMAGE.
26 */
27
28#include <sys/cdefs.h>
1/*-
2 * Copyright (c) 2011 Chelsio Communications, Inc.
3 * All rights reserved.
4 * Written by: Navdeep Parhar <np@FreeBSD.org>
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:

--- 12 unchanged lines hidden (view full) ---

21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25 * SUCH DAMAGE.
26 */
27
28#include <sys/cdefs.h>
29__FBSDID("$FreeBSD: stable/10/sys/dev/cxgbe/t4_main.c 284052 2015-06-06 09:28:40Z np $");
29__FBSDID("$FreeBSD: stable/10/sys/dev/cxgbe/t4_main.c 284089 2015-06-06 18:00:36Z np $");
30
31#include "opt_inet.h"
32#include "opt_inet6.h"
33
34#include <sys/param.h>
35#include <sys/conf.h>
36#include <sys/priv.h>
37#include <sys/kernel.h>

--- 7014 unchanged lines hidden (view full) ---

7052 return (rc);
7053
7054 if (sc->tids.ftids_in_use > 0) {
7055 rc = EBUSY;
7056 goto done;
7057 }
7058
7059#ifdef TCP_OFFLOAD
30
31#include "opt_inet.h"
32#include "opt_inet6.h"
33
34#include <sys/param.h>
35#include <sys/conf.h>
36#include <sys/priv.h>
37#include <sys/kernel.h>

--- 7014 unchanged lines hidden (view full) ---

7052 return (rc);
7053
7054 if (sc->tids.ftids_in_use > 0) {
7055 rc = EBUSY;
7056 goto done;
7057 }
7058
7059#ifdef TCP_OFFLOAD
7060 if (sc->offload_map) {
7060 if (uld_active(sc, ULD_TOM)) {
7061 rc = EBUSY;
7062 goto done;
7063 }
7064#endif
7065
7066 rc = -t4_set_filter_mode(sc, fconf);
7067done:
7068 end_synchronized_op(sc, LOCK_HELD);

--- 1068 unchanged lines hidden (view full) ---

8137 rc = cxgbe_init_synchronized(pi);
8138 if (rc)
8139 return (rc);
8140 }
8141
8142 if (isset(&sc->offload_map, pi->port_id))
8143 return (0);
8144
7061 rc = EBUSY;
7062 goto done;
7063 }
7064#endif
7065
7066 rc = -t4_set_filter_mode(sc, fconf);
7067done:
7068 end_synchronized_op(sc, LOCK_HELD);

--- 1068 unchanged lines hidden (view full) ---

8137 rc = cxgbe_init_synchronized(pi);
8138 if (rc)
8139 return (rc);
8140 }
8141
8142 if (isset(&sc->offload_map, pi->port_id))
8143 return (0);
8144
8145 if (!(sc->flags & TOM_INIT_DONE)) {
8145 if (!uld_active(sc, ULD_TOM)) {
8146 rc = t4_activate_uld(sc, ULD_TOM);
8147 if (rc == EAGAIN) {
8148 log(LOG_WARNING,
8149 "You must kldload t4_tom.ko before trying "
8150 "to enable TOE on a cxgbe interface.\n");
8151 }
8152 if (rc != 0)
8153 return (rc);
8154 KASSERT(sc->tom_softc != NULL,
8155 ("%s: TOM activated but softc NULL", __func__));
8146 rc = t4_activate_uld(sc, ULD_TOM);
8147 if (rc == EAGAIN) {
8148 log(LOG_WARNING,
8149 "You must kldload t4_tom.ko before trying "
8150 "to enable TOE on a cxgbe interface.\n");
8151 }
8152 if (rc != 0)
8153 return (rc);
8154 KASSERT(sc->tom_softc != NULL,
8155 ("%s: TOM activated but softc NULL", __func__));
8156 KASSERT(sc->flags & TOM_INIT_DONE,
8156 KASSERT(uld_active(sc, ULD_TOM),
8157 ("%s: TOM activated but flag not set", __func__));
8158 }
8159
8157 ("%s: TOM activated but flag not set", __func__));
8158 }
8159
8160 /* Activate iWARP and iSCSI too, if the modules are loaded. */
8161 if (!uld_active(sc, ULD_IWARP))
8162 (void) t4_activate_uld(sc, ULD_IWARP);
8163 if (!uld_active(sc, ULD_ISCSI))
8164 (void) t4_activate_uld(sc, ULD_ISCSI);
8165
8160 setbit(&sc->offload_map, pi->port_id);
8161 } else {
8162 if (!isset(&sc->offload_map, pi->port_id))
8163 return (0);
8164
8166 setbit(&sc->offload_map, pi->port_id);
8167 } else {
8168 if (!isset(&sc->offload_map, pi->port_id))
8169 return (0);
8170
8165 KASSERT(sc->flags & TOM_INIT_DONE,
8171 KASSERT(uld_active(sc, ULD_TOM),
8166 ("%s: TOM never initialized?", __func__));
8167 clrbit(&sc->offload_map, pi->port_id);
8168 }
8169
8170 return (0);
8171}
8172
8173/*

--- 43 unchanged lines hidden (view full) ---

8217done:
8218 sx_xunlock(&t4_uld_list_lock);
8219 return (rc);
8220}
8221
8222int
8223t4_activate_uld(struct adapter *sc, int id)
8224{
8172 ("%s: TOM never initialized?", __func__));
8173 clrbit(&sc->offload_map, pi->port_id);
8174 }
8175
8176 return (0);
8177}
8178
8179/*

--- 43 unchanged lines hidden (view full) ---

8223done:
8224 sx_xunlock(&t4_uld_list_lock);
8225 return (rc);
8226}
8227
8228int
8229t4_activate_uld(struct adapter *sc, int id)
8230{
8225 int rc = EAGAIN;
8231 int rc;
8226 struct uld_info *ui;
8227
8228 ASSERT_SYNCHRONIZED_OP(sc);
8229
8232 struct uld_info *ui;
8233
8234 ASSERT_SYNCHRONIZED_OP(sc);
8235
8236 if (id < 0 || id > ULD_MAX)
8237 return (EINVAL);
8238 rc = EAGAIN; /* kldoad the module with this ULD and try again. */
8239
8230 sx_slock(&t4_uld_list_lock);
8231
8232 SLIST_FOREACH(ui, &t4_uld_list, link) {
8233 if (ui->uld_id == id) {
8234 if (!(sc->flags & FULL_INIT_DONE)) {
8235 rc = adapter_full_init(sc);
8236 if (rc != 0)
8240 sx_slock(&t4_uld_list_lock);
8241
8242 SLIST_FOREACH(ui, &t4_uld_list, link) {
8243 if (ui->uld_id == id) {
8244 if (!(sc->flags & FULL_INIT_DONE)) {
8245 rc = adapter_full_init(sc);
8246 if (rc != 0)
8237 goto done;
8247 break;
8238 }
8239
8240 rc = ui->activate(sc);
8248 }
8249
8250 rc = ui->activate(sc);
8241 if (rc == 0)
8251 if (rc == 0) {
8252 setbit(&sc->active_ulds, id);
8242 ui->refcount++;
8253 ui->refcount++;
8243 goto done;
8254 }
8255 break;
8244 }
8245 }
8256 }
8257 }
8246done:
8258
8247 sx_sunlock(&t4_uld_list_lock);
8248
8249 return (rc);
8250}
8251
8252int
8253t4_deactivate_uld(struct adapter *sc, int id)
8254{
8259 sx_sunlock(&t4_uld_list_lock);
8260
8261 return (rc);
8262}
8263
8264int
8265t4_deactivate_uld(struct adapter *sc, int id)
8266{
8255 int rc = EINVAL;
8267 int rc;
8256 struct uld_info *ui;
8257
8258 ASSERT_SYNCHRONIZED_OP(sc);
8259
8268 struct uld_info *ui;
8269
8270 ASSERT_SYNCHRONIZED_OP(sc);
8271
8272 if (id < 0 || id > ULD_MAX)
8273 return (EINVAL);
8274 rc = ENXIO;
8275
8260 sx_slock(&t4_uld_list_lock);
8261
8262 SLIST_FOREACH(ui, &t4_uld_list, link) {
8263 if (ui->uld_id == id) {
8264 rc = ui->deactivate(sc);
8276 sx_slock(&t4_uld_list_lock);
8277
8278 SLIST_FOREACH(ui, &t4_uld_list, link) {
8279 if (ui->uld_id == id) {
8280 rc = ui->deactivate(sc);
8265 if (rc == 0)
8281 if (rc == 0) {
8282 clrbit(&sc->active_ulds, id);
8266 ui->refcount--;
8283 ui->refcount--;
8267 goto done;
8284 }
8285 break;
8268 }
8269 }
8286 }
8287 }
8270done:
8288
8271 sx_sunlock(&t4_uld_list_lock);
8272
8273 return (rc);
8274}
8289 sx_sunlock(&t4_uld_list_lock);
8290
8291 return (rc);
8292}
8293
8294int
8295uld_active(struct adapter *sc, int uld_id)
8296{
8297
8298 MPASS(uld_id >= 0 && uld_id <= ULD_MAX);
8299
8300 return (isset(&sc->active_ulds, uld_id));
8301}
8275#endif
8276
8277/*
8278 * Come up with reasonable defaults for some of the tunables, provided they're
8279 * not set by the user (in which case we'll use the values as is).
8280 */
8281static void
8282tweak_tunables(void)

--- 166 unchanged lines hidden --- 		8302#endif
8303
8304/*
8305 * Come up with reasonable defaults for some of the tunables, provided they're
8306 * not set by the user (in which case we'll use the values as is).
8307 */
8308static void
8309tweak_tunables(void)

--- 166 unchanged lines hidden ---