Fix crash after issuing lip reset
When RPI is not available, driver sends WQE with invalid RPI value and rejected by HBA. lpfc 0000:82:00.3: 1:3154 BLS ABORT RSP failed, data: x3/xa0320008 and lpfc :2753 PLOGI failure DID:FFFFFA Status:x3/xa0240008 In this case, driver accesses rpi_ids array out of bounds. Fix: Check return value of lpfc_sli4_alloc_rpi(). Do not allocate lpfc_nodelist entry if RPI is not available. When RPI is not available, we will get discovery timeouts and command drops for some of the vports as seen below. lpfc :0273 Unexpected discovery timeout, vport State x0 lpfc :0230 Unexpected timeout, hba link state x5 lpfc :0111 Dropping received ELS cmd Data: x0 xc90c55 x0 Signed-off-by: Dick Kennedy <dick.kennedy@broadcom.com> Signed-off-by: James Smart <james.smart@broadcom.com> Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
This commit is contained in:
parent
2b7824d00d
commit
9d3d340d19
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@ -2486,6 +2486,10 @@ static int lpfcdiag_loop_self_reg(struct lpfc_hba *phba, uint16_t *rpi)
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mbox, *rpi);
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else {
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*rpi = lpfc_sli4_alloc_rpi(phba);
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if (*rpi == LPFC_RPI_ALLOC_ERROR) {
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mempool_free(mbox, phba->mbox_mem_pool);
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return -EBUSY;
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}
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status = lpfc_reg_rpi(phba, phba->pport->vpi,
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phba->pport->fc_myDID,
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(uint8_t *)&phba->pport->fc_sparam,
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@ -99,7 +99,7 @@ void lpfc_issue_reg_vpi(struct lpfc_hba *, struct lpfc_vport *);
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int lpfc_check_sli_ndlp(struct lpfc_hba *, struct lpfc_sli_ring *,
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struct lpfc_iocbq *, struct lpfc_nodelist *);
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void lpfc_nlp_init(struct lpfc_vport *, struct lpfc_nodelist *, uint32_t);
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struct lpfc_nodelist *lpfc_nlp_init(struct lpfc_vport *vport, uint32_t did);
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struct lpfc_nodelist *lpfc_nlp_get(struct lpfc_nodelist *);
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int lpfc_nlp_put(struct lpfc_nodelist *);
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int lpfc_nlp_not_used(struct lpfc_nodelist *ndlp);
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@ -895,10 +895,9 @@ lpfc_cmpl_els_flogi_nport(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
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* Cannot find existing Fabric ndlp, so allocate a
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* new one
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*/
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ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL);
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ndlp = lpfc_nlp_init(vport, PT2PT_RemoteID);
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if (!ndlp)
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goto fail;
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lpfc_nlp_init(vport, ndlp, PT2PT_RemoteID);
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} else if (!NLP_CHK_NODE_ACT(ndlp)) {
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ndlp = lpfc_enable_node(vport, ndlp,
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NLP_STE_UNUSED_NODE);
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@ -1364,7 +1363,6 @@ lpfc_els_abort_flogi(struct lpfc_hba *phba)
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int
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lpfc_initial_flogi(struct lpfc_vport *vport)
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{
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struct lpfc_hba *phba = vport->phba;
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struct lpfc_nodelist *ndlp;
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vport->port_state = LPFC_FLOGI;
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@ -1374,10 +1372,9 @@ lpfc_initial_flogi(struct lpfc_vport *vport)
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ndlp = lpfc_findnode_did(vport, Fabric_DID);
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if (!ndlp) {
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/* Cannot find existing Fabric ndlp, so allocate a new one */
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ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL);
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ndlp = lpfc_nlp_init(vport, Fabric_DID);
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if (!ndlp)
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return 0;
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lpfc_nlp_init(vport, ndlp, Fabric_DID);
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/* Set the node type */
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ndlp->nlp_type |= NLP_FABRIC;
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/* Put ndlp onto node list */
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@ -1418,17 +1415,15 @@ lpfc_initial_flogi(struct lpfc_vport *vport)
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int
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lpfc_initial_fdisc(struct lpfc_vport *vport)
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{
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struct lpfc_hba *phba = vport->phba;
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struct lpfc_nodelist *ndlp;
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/* First look for the Fabric ndlp */
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ndlp = lpfc_findnode_did(vport, Fabric_DID);
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if (!ndlp) {
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/* Cannot find existing Fabric ndlp, so allocate a new one */
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ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL);
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ndlp = lpfc_nlp_init(vport, Fabric_DID);
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if (!ndlp)
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return 0;
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lpfc_nlp_init(vport, ndlp, Fabric_DID);
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/* Put ndlp onto node list */
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lpfc_enqueue_node(vport, ndlp);
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} else if (!NLP_CHK_NODE_ACT(ndlp)) {
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@ -1564,14 +1559,13 @@ lpfc_plogi_confirm_nport(struct lpfc_hba *phba, uint32_t *prsp,
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phba->active_rrq_pool);
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return ndlp;
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}
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new_ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_ATOMIC);
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new_ndlp = lpfc_nlp_init(vport, ndlp->nlp_DID);
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if (!new_ndlp) {
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if (active_rrqs_xri_bitmap)
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mempool_free(active_rrqs_xri_bitmap,
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phba->active_rrq_pool);
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return ndlp;
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}
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lpfc_nlp_init(vport, new_ndlp, ndlp->nlp_DID);
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} else if (!NLP_CHK_NODE_ACT(new_ndlp)) {
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rc = memcmp(&ndlp->nlp_portname, name,
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sizeof(struct lpfc_name));
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@ -2845,10 +2839,9 @@ lpfc_issue_els_scr(struct lpfc_vport *vport, uint32_t nportid, uint8_t retry)
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ndlp = lpfc_findnode_did(vport, nportid);
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if (!ndlp) {
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ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL);
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ndlp = lpfc_nlp_init(vport, nportid);
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if (!ndlp)
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return 1;
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lpfc_nlp_init(vport, ndlp, nportid);
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lpfc_enqueue_node(vport, ndlp);
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} else if (!NLP_CHK_NODE_ACT(ndlp)) {
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ndlp = lpfc_enable_node(vport, ndlp, NLP_STE_UNUSED_NODE);
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@ -2938,10 +2931,9 @@ lpfc_issue_els_farpr(struct lpfc_vport *vport, uint32_t nportid, uint8_t retry)
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ndlp = lpfc_findnode_did(vport, nportid);
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if (!ndlp) {
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ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL);
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ndlp = lpfc_nlp_init(vport, nportid);
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if (!ndlp)
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return 1;
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lpfc_nlp_init(vport, ndlp, nportid);
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lpfc_enqueue_node(vport, ndlp);
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} else if (!NLP_CHK_NODE_ACT(ndlp)) {
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ndlp = lpfc_enable_node(vport, ndlp, NLP_STE_UNUSED_NODE);
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@ -6133,7 +6125,6 @@ int
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lpfc_els_handle_rscn(struct lpfc_vport *vport)
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{
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struct lpfc_nodelist *ndlp;
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struct lpfc_hba *phba = vport->phba;
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/* Ignore RSCN if the port is being torn down. */
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if (vport->load_flag & FC_UNLOADING) {
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@ -6182,12 +6173,11 @@ lpfc_els_handle_rscn(struct lpfc_vport *vport)
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}
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ndlp->nlp_prev_state = NLP_STE_UNUSED_NODE;
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} else {
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ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL);
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ndlp = lpfc_nlp_init(vport, NameServer_DID);
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if (!ndlp) {
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lpfc_els_flush_rscn(vport);
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return 0;
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}
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lpfc_nlp_init(vport, ndlp, NameServer_DID);
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ndlp->nlp_prev_state = ndlp->nlp_state;
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lpfc_nlp_set_state(vport, ndlp, NLP_STE_PLOGI_ISSUE);
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}
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@ -7746,11 +7736,9 @@ lpfc_els_unsol_buffer(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
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ndlp = lpfc_findnode_did(vport, did);
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if (!ndlp) {
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/* Cannot find existing Fabric ndlp, so allocate a new one */
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ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL);
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ndlp = lpfc_nlp_init(vport, did);
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if (!ndlp)
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goto dropit;
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lpfc_nlp_init(vport, ndlp, did);
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lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE);
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newnode = 1;
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if ((did & Fabric_DID_MASK) == Fabric_DID_MASK)
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@ -8192,7 +8180,6 @@ lpfc_els_unsol_event(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
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static void
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lpfc_start_fdmi(struct lpfc_vport *vport)
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{
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struct lpfc_hba *phba = vport->phba;
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struct lpfc_nodelist *ndlp;
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/* If this is the first time, allocate an ndlp and initialize
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*/
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ndlp = lpfc_findnode_did(vport, FDMI_DID);
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if (!ndlp) {
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ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL);
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ndlp = lpfc_nlp_init(vport, FDMI_DID);
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if (ndlp) {
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lpfc_nlp_init(vport, ndlp, FDMI_DID);
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ndlp->nlp_type |= NLP_FABRIC;
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} else {
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return;
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@ -8256,7 +8242,7 @@ lpfc_do_scr_ns_plogi(struct lpfc_hba *phba, struct lpfc_vport *vport)
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ndlp = lpfc_findnode_did(vport, NameServer_DID);
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if (!ndlp) {
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ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL);
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ndlp = lpfc_nlp_init(vport, NameServer_DID);
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if (!ndlp) {
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if (phba->fc_topology == LPFC_TOPOLOGY_LOOP) {
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lpfc_disc_start(vport);
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"0251 NameServer login: no memory\n");
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return;
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}
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lpfc_nlp_init(vport, ndlp, NameServer_DID);
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} else if (!NLP_CHK_NODE_ACT(ndlp)) {
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ndlp = lpfc_enable_node(vport, ndlp, NLP_STE_UNUSED_NODE);
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if (!ndlp) {
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@ -4368,10 +4368,17 @@ lpfc_enable_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
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uint32_t did;
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unsigned long flags;
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unsigned long *active_rrqs_xri_bitmap = NULL;
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int rpi = LPFC_RPI_ALLOC_ERROR;
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if (!ndlp)
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return NULL;
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if (phba->sli_rev == LPFC_SLI_REV4) {
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rpi = lpfc_sli4_alloc_rpi(vport->phba);
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if (rpi == LPFC_RPI_ALLOC_ERROR)
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return NULL;
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}
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spin_lock_irqsave(&phba->ndlp_lock, flags);
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/* The ndlp should not be in memory free mode */
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if (NLP_CHK_FREE_REQ(ndlp)) {
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"usgmap:x%x refcnt:%d\n",
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(void *)ndlp, ndlp->nlp_usg_map,
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kref_read(&ndlp->kref));
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return NULL;
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goto free_rpi;
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}
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/* The ndlp should not already be in active mode */
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if (NLP_CHK_NODE_ACT(ndlp)) {
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"usgmap:x%x refcnt:%d\n",
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(void *)ndlp, ndlp->nlp_usg_map,
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kref_read(&ndlp->kref));
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return NULL;
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goto free_rpi;
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}
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/* Keep the original DID */
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@ -4409,7 +4416,7 @@ lpfc_enable_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
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spin_unlock_irqrestore(&phba->ndlp_lock, flags);
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if (vport->phba->sli_rev == LPFC_SLI_REV4) {
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ndlp->nlp_rpi = lpfc_sli4_alloc_rpi(vport->phba);
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ndlp->nlp_rpi = rpi;
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lpfc_printf_vlog(vport, KERN_INFO, LOG_NODE,
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"0008 rpi:%x DID:%x flg:%x refcnt:%d "
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"map:%x %p\n", ndlp->nlp_rpi, ndlp->nlp_DID,
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@ -4426,6 +4433,11 @@ lpfc_enable_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
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"node enable: did:x%x",
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ndlp->nlp_DID, 0, 0);
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return ndlp;
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free_rpi:
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if (phba->sli_rev == LPFC_SLI_REV4)
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lpfc_sli4_free_rpi(vport->phba, rpi);
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return NULL;
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}
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void
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@ -5107,11 +5119,9 @@ lpfc_setup_disc_node(struct lpfc_vport *vport, uint32_t did)
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if ((vport->fc_flag & FC_RSCN_MODE) != 0 &&
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lpfc_rscn_payload_check(vport, did) == 0)
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return NULL;
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ndlp = (struct lpfc_nodelist *)
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mempool_alloc(vport->phba->nlp_mem_pool, GFP_KERNEL);
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ndlp = lpfc_nlp_init(vport, did);
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if (!ndlp)
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return NULL;
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lpfc_nlp_init(vport, ndlp, did);
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lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE);
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if (vport->phba->nvmet_support)
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return ndlp;
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@ -5887,16 +5897,31 @@ lpfc_find_vport_by_vpid(struct lpfc_hba *phba, uint16_t vpi)
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return NULL;
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}
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void
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lpfc_nlp_init(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
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uint32_t did)
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struct lpfc_nodelist *
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lpfc_nlp_init(struct lpfc_vport *vport, uint32_t did)
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{
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struct lpfc_nodelist *ndlp;
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int rpi = LPFC_RPI_ALLOC_ERROR;
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if (vport->phba->sli_rev == LPFC_SLI_REV4) {
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rpi = lpfc_sli4_alloc_rpi(vport->phba);
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if (rpi == LPFC_RPI_ALLOC_ERROR)
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return NULL;
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}
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ndlp = mempool_alloc(vport->phba->nlp_mem_pool, GFP_KERNEL);
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if (!ndlp) {
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if (vport->phba->sli_rev == LPFC_SLI_REV4)
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lpfc_sli4_free_rpi(vport->phba, rpi);
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return NULL;
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}
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memset(ndlp, 0, sizeof (struct lpfc_nodelist));
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lpfc_initialize_node(vport, ndlp, did);
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INIT_LIST_HEAD(&ndlp->nlp_listp);
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if (vport->phba->sli_rev == LPFC_SLI_REV4) {
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ndlp->nlp_rpi = lpfc_sli4_alloc_rpi(vport->phba);
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ndlp->nlp_rpi = rpi;
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lpfc_printf_vlog(vport, KERN_INFO, LOG_NODE,
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"0007 rpi:%x DID:%x flg:%x refcnt:%d "
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"map:%x %p\n", ndlp->nlp_rpi, ndlp->nlp_DID,
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@ -5918,7 +5943,7 @@ lpfc_nlp_init(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
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"node init: did:x%x",
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ndlp->nlp_DID, 0, 0);
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return;
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return ndlp;
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}
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/* This routine releases all resources associated with a specifc NPort's ndlp
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@ -2874,34 +2874,38 @@ lpfc_sli4_node_prep(struct lpfc_hba *phba)
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{
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struct lpfc_nodelist *ndlp, *next_ndlp;
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struct lpfc_vport **vports;
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int i;
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int i, rpi;
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unsigned long flags;
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if (phba->sli_rev != LPFC_SLI_REV4)
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return;
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vports = lpfc_create_vport_work_array(phba);
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if (vports != NULL) {
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for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) {
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if (vports[i]->load_flag & FC_UNLOADING)
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continue;
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if (vports == NULL)
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return;
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list_for_each_entry_safe(ndlp, next_ndlp,
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&vports[i]->fc_nodes,
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nlp_listp) {
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if (NLP_CHK_NODE_ACT(ndlp)) {
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ndlp->nlp_rpi =
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lpfc_sli4_alloc_rpi(phba);
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lpfc_printf_vlog(ndlp->vport, KERN_INFO,
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LOG_NODE,
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"0009 rpi:%x DID:%x "
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"flg:%x map:%x %p\n",
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ndlp->nlp_rpi,
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ndlp->nlp_DID,
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ndlp->nlp_flag,
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ndlp->nlp_usg_map,
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ndlp);
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}
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for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) {
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if (vports[i]->load_flag & FC_UNLOADING)
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continue;
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list_for_each_entry_safe(ndlp, next_ndlp,
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&vports[i]->fc_nodes,
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nlp_listp) {
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if (!NLP_CHK_NODE_ACT(ndlp))
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continue;
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rpi = lpfc_sli4_alloc_rpi(phba);
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if (rpi == LPFC_RPI_ALLOC_ERROR) {
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spin_lock_irqsave(&phba->ndlp_lock, flags);
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NLP_CLR_NODE_ACT(ndlp);
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spin_unlock_irqrestore(&phba->ndlp_lock, flags);
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continue;
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}
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ndlp->nlp_rpi = rpi;
|
||||
lpfc_printf_vlog(ndlp->vport, KERN_INFO, LOG_NODE,
|
||||
"0009 rpi:%x DID:%x "
|
||||
"flg:%x map:%x %p\n", ndlp->nlp_rpi,
|
||||
ndlp->nlp_DID, ndlp->nlp_flag,
|
||||
ndlp->nlp_usg_map, ndlp);
|
||||
}
|
||||
}
|
||||
lpfc_destroy_vport_work_array(phba, vports);
|
||||
|
@ -4722,10 +4726,9 @@ lpfc_sli4_perform_vport_cvl(struct lpfc_vport *vport)
|
|||
ndlp = lpfc_findnode_did(vport, Fabric_DID);
|
||||
if (!ndlp) {
|
||||
/* Cannot find existing Fabric ndlp, so allocate a new one */
|
||||
ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL);
|
||||
ndlp = lpfc_nlp_init(vport, Fabric_DID);
|
||||
if (!ndlp)
|
||||
return 0;
|
||||
lpfc_nlp_init(vport, ndlp, Fabric_DID);
|
||||
/* Set the node type */
|
||||
ndlp->nlp_type |= NLP_FABRIC;
|
||||
/* Put ndlp onto node list */
|
||||
|
|
|
@ -16542,14 +16542,13 @@ lpfc_sli4_seq_abort_rsp(struct lpfc_vport *vport,
|
|||
|
||||
ndlp = lpfc_findnode_did(vport, sid);
|
||||
if (!ndlp) {
|
||||
ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL);
|
||||
ndlp = lpfc_nlp_init(vport, sid);
|
||||
if (!ndlp) {
|
||||
lpfc_printf_vlog(vport, KERN_WARNING, LOG_ELS,
|
||||
"1268 Failed to allocate ndlp for "
|
||||
"oxid:x%x SID:x%x\n", oxid, sid);
|
||||
return;
|
||||
}
|
||||
lpfc_nlp_init(vport, ndlp, sid);
|
||||
/* Put ndlp onto pport node list */
|
||||
lpfc_enqueue_node(vport, ndlp);
|
||||
} else if (!NLP_CHK_NODE_ACT(ndlp)) {
|
||||
|
|
|
@ -738,10 +738,9 @@ lpfc_vport_delete(struct fc_vport *fc_vport)
|
|||
ndlp = lpfc_findnode_did(vport, Fabric_DID);
|
||||
if (!ndlp) {
|
||||
/* Cannot find existing Fabric ndlp, allocate one */
|
||||
ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL);
|
||||
ndlp = lpfc_nlp_init(vport, Fabric_DID);
|
||||
if (!ndlp)
|
||||
goto skip_logo;
|
||||
lpfc_nlp_init(vport, ndlp, Fabric_DID);
|
||||
/* Indicate free memory when release */
|
||||
NLP_SET_FREE_REQ(ndlp);
|
||||
} else {
|
||||
|
|
Loading…
Reference in a new issue