diff options
Diffstat (limited to 'sys/dev/cxgbe/tom/t4_tom.c')
| -rw-r--r-- | sys/dev/cxgbe/tom/t4_tom.c | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/sys/dev/cxgbe/tom/t4_tom.c b/sys/dev/cxgbe/tom/t4_tom.c index 109543a6..71ea1df 100644 --- a/sys/dev/cxgbe/tom/t4_tom.c +++ b/sys/dev/cxgbe/tom/t4_tom.c @@ -98,6 +98,7 @@ static void t4_clip_task(void *, int); static void update_clip_table(struct adapter *, struct tom_data *); static void destroy_clip_table(struct adapter *, struct tom_data *); static void free_tom_data(struct adapter *, struct tom_data *); +static void reclaim_wr_resources(void *, int); static int in6_ifaddr_gen; static eventhandler_tag ifaddr_evhandler; @@ -903,6 +904,8 @@ free_tom_data(struct adapter *sc, struct tom_data *td) if (td->listen_mask != 0) hashdestroy(td->listen_hash, M_CXGBE, td->listen_mask); + if (mtx_initialized(&td->unsent_wr_lock)) + mtx_destroy(&td->unsent_wr_lock); if (mtx_initialized(&td->lctx_hash_lock)) mtx_destroy(&td->lctx_hash_lock); if (mtx_initialized(&td->toep_list_lock)) @@ -912,6 +915,44 @@ free_tom_data(struct adapter *sc, struct tom_data *td) free(td, M_CXGBE); } +static void +reclaim_wr_resources(void *arg, int count) +{ + struct tom_data *td = arg; + STAILQ_HEAD(, wrqe) twr_list = STAILQ_HEAD_INITIALIZER(twr_list); + struct cpl_act_open_req *cpl; + u_int opcode, atid; + struct wrqe *wr; + struct adapter *sc; + + mtx_lock(&td->unsent_wr_lock); + STAILQ_SWAP(&td->unsent_wr_list, &twr_list, wrqe); + mtx_unlock(&td->unsent_wr_lock); + + while ((wr = STAILQ_FIRST(&twr_list)) != NULL) { + STAILQ_REMOVE_HEAD(&twr_list, link); + + cpl = wrtod(wr); + opcode = GET_OPCODE(cpl); + + switch (opcode) { + case CPL_ACT_OPEN_REQ: + case CPL_ACT_OPEN_REQ6: + atid = G_TID_TID(be32toh(OPCODE_TID(cpl))); + sc = td_adapter(td); + + CTR2(KTR_CXGBE, "%s: atid %u ", __func__, atid); + act_open_failure_cleanup(sc, atid, EHOSTUNREACH); + free(wr, M_CXGBE); + break; + default: + log(LOG_ERR, "%s: leaked work request %p, wr_len %d, " + "opcode %x\n", __func__, wr, wr->wr_len, opcode); + /* WR not freed here; go look at it with a debugger. */ + } + } +} + /* * Ground control to Major TOM * Commencing countdown, engines on @@ -939,6 +980,11 @@ t4_tom_activate(struct adapter *sc) td->listen_hash = hashinit_flags(LISTEN_HASH_SIZE, M_CXGBE, &td->listen_mask, HASH_NOWAIT); + /* List of WRs for which L2 resolution failed */ + mtx_init(&td->unsent_wr_lock, "Unsent WR list lock", NULL, MTX_DEF); + STAILQ_INIT(&td->unsent_wr_list); + TASK_INIT(&td->reclaim_wr_resources, 0, reclaim_wr_resources, td); + /* TID tables */ rc = alloc_tid_tabs(&sc->tids); if (rc != 0) @@ -1012,6 +1058,12 @@ t4_tom_deactivate(struct adapter *sc) rc = EBUSY; mtx_unlock(&td->lctx_hash_lock); + taskqueue_drain(taskqueue_thread, &td->reclaim_wr_resources); + mtx_lock(&td->unsent_wr_lock); + if (!STAILQ_EMPTY(&td->unsent_wr_list)) + rc = EBUSY; + mtx_unlock(&td->unsent_wr_lock); + if (rc == 0) { unregister_toedev(sc->tom_softc); free_tom_data(sc, td); |
