diff options
-rw-r--r-- | drivers/infiniband/core/mad.c | 58 | ||||
-rw-r--r-- | drivers/infiniband/core/mad_priv.h | 3 | ||||
-rw-r--r-- | drivers/infiniband/core/mad_rmpp.c | 35 |
3 files changed, 67 insertions, 29 deletions
diff --git a/drivers/infiniband/core/mad.c b/drivers/infiniband/core/mad.c index f7854b65fd5..d4d07012a5c 100644 --- a/drivers/infiniband/core/mad.c +++ b/drivers/infiniband/core/mad.c @@ -1618,14 +1618,59 @@ static int is_data_mad(struct ib_mad_agent_private *mad_agent_priv, (rmpp_mad->rmpp_hdr.rmpp_type == IB_MGMT_RMPP_TYPE_DATA); } +static inline int rcv_has_same_class(struct ib_mad_send_wr_private *wr, + struct ib_mad_recv_wc *rwc) +{ + return ((struct ib_mad *)(wr->send_buf.mad))->mad_hdr.mgmt_class == + rwc->recv_buf.mad->mad_hdr.mgmt_class; +} + +static inline int rcv_has_same_gid(struct ib_mad_send_wr_private *wr, + struct ib_mad_recv_wc *rwc ) +{ + struct ib_ah_attr attr; + u8 send_resp, rcv_resp; + + send_resp = ((struct ib_mad *)(wr->send_buf.mad))-> + mad_hdr.method & IB_MGMT_METHOD_RESP; + rcv_resp = rwc->recv_buf.mad->mad_hdr.method & IB_MGMT_METHOD_RESP; + + if (!send_resp && rcv_resp) + /* is request/response. GID/LIDs are both local (same). */ + return 1; + + if (send_resp == rcv_resp) + /* both requests, or both responses. GIDs different */ + return 0; + + if (ib_query_ah(wr->send_buf.ah, &attr)) + /* Assume not equal, to avoid false positives. */ + return 0; + + if (!(attr.ah_flags & IB_AH_GRH) && !(rwc->wc->wc_flags & IB_WC_GRH)) + return attr.dlid == rwc->wc->slid; + else if ((attr.ah_flags & IB_AH_GRH) && + (rwc->wc->wc_flags & IB_WC_GRH)) + return memcmp(attr.grh.dgid.raw, + rwc->recv_buf.grh->sgid.raw, 16) == 0; + else + /* one has GID, other does not. Assume different */ + return 0; +} struct ib_mad_send_wr_private* -ib_find_send_mad(struct ib_mad_agent_private *mad_agent_priv, __be64 tid) +ib_find_send_mad(struct ib_mad_agent_private *mad_agent_priv, + struct ib_mad_recv_wc *mad_recv_wc) { struct ib_mad_send_wr_private *mad_send_wr; + struct ib_mad *mad; + + mad = (struct ib_mad *)mad_recv_wc->recv_buf.mad; list_for_each_entry(mad_send_wr, &mad_agent_priv->wait_list, agent_list) { - if (mad_send_wr->tid == tid) + if ((mad_send_wr->tid == mad->mad_hdr.tid) && + rcv_has_same_class(mad_send_wr, mad_recv_wc) && + rcv_has_same_gid(mad_send_wr, mad_recv_wc)) return mad_send_wr; } @@ -1636,7 +1681,10 @@ ib_find_send_mad(struct ib_mad_agent_private *mad_agent_priv, __be64 tid) list_for_each_entry(mad_send_wr, &mad_agent_priv->send_list, agent_list) { if (is_data_mad(mad_agent_priv, mad_send_wr->send_buf.mad) && - mad_send_wr->tid == tid && mad_send_wr->timeout) { + mad_send_wr->tid == mad->mad_hdr.tid && + mad_send_wr->timeout && + rcv_has_same_class(mad_send_wr, mad_recv_wc) && + rcv_has_same_gid(mad_send_wr, mad_recv_wc)) { /* Verify request has not been canceled */ return (mad_send_wr->status == IB_WC_SUCCESS) ? mad_send_wr : NULL; @@ -1661,7 +1709,6 @@ static void ib_mad_complete_recv(struct ib_mad_agent_private *mad_agent_priv, struct ib_mad_send_wr_private *mad_send_wr; struct ib_mad_send_wc mad_send_wc; unsigned long flags; - __be64 tid; INIT_LIST_HEAD(&mad_recv_wc->rmpp_list); list_add(&mad_recv_wc->recv_buf.list, &mad_recv_wc->rmpp_list); @@ -1677,9 +1724,8 @@ static void ib_mad_complete_recv(struct ib_mad_agent_private *mad_agent_priv, /* Complete corresponding request */ if (response_mad(mad_recv_wc->recv_buf.mad)) { - tid = mad_recv_wc->recv_buf.mad->mad_hdr.tid; spin_lock_irqsave(&mad_agent_priv->lock, flags); - mad_send_wr = ib_find_send_mad(mad_agent_priv, tid); + mad_send_wr = ib_find_send_mad(mad_agent_priv, mad_recv_wc); if (!mad_send_wr) { spin_unlock_irqrestore(&mad_agent_priv->lock, flags); ib_free_recv_mad(mad_recv_wc); diff --git a/drivers/infiniband/core/mad_priv.h b/drivers/infiniband/core/mad_priv.h index a7125d4b5cc..6c9c133d71e 100644 --- a/drivers/infiniband/core/mad_priv.h +++ b/drivers/infiniband/core/mad_priv.h @@ -216,7 +216,8 @@ extern kmem_cache_t *ib_mad_cache; int ib_send_mad(struct ib_mad_send_wr_private *mad_send_wr); struct ib_mad_send_wr_private * -ib_find_send_mad(struct ib_mad_agent_private *mad_agent_priv, __be64 tid); +ib_find_send_mad(struct ib_mad_agent_private *mad_agent_priv, + struct ib_mad_recv_wc *mad_recv_wc); void ib_mad_complete_send_wr(struct ib_mad_send_wr_private *mad_send_wr, struct ib_mad_send_wc *mad_send_wc); diff --git a/drivers/infiniband/core/mad_rmpp.c b/drivers/infiniband/core/mad_rmpp.c index bacfdd5bdda..a6405079c28 100644 --- a/drivers/infiniband/core/mad_rmpp.c +++ b/drivers/infiniband/core/mad_rmpp.c @@ -562,15 +562,15 @@ static int send_next_seg(struct ib_mad_send_wr_private *mad_send_wr) return ib_send_mad(mad_send_wr); } -static void abort_send(struct ib_mad_agent_private *agent, __be64 tid, - u8 rmpp_status) +static void abort_send(struct ib_mad_agent_private *agent, + struct ib_mad_recv_wc *mad_recv_wc, u8 rmpp_status) { struct ib_mad_send_wr_private *mad_send_wr; struct ib_mad_send_wc wc; unsigned long flags; spin_lock_irqsave(&agent->lock, flags); - mad_send_wr = ib_find_send_mad(agent, tid); + mad_send_wr = ib_find_send_mad(agent, mad_recv_wc); if (!mad_send_wr) goto out; /* Unmatched send */ @@ -612,8 +612,7 @@ static void process_rmpp_ack(struct ib_mad_agent_private *agent, rmpp_mad = (struct ib_rmpp_mad *)mad_recv_wc->recv_buf.mad; if (rmpp_mad->rmpp_hdr.rmpp_status) { - abort_send(agent, rmpp_mad->mad_hdr.tid, - IB_MGMT_RMPP_STATUS_BAD_STATUS); + abort_send(agent, mad_recv_wc, IB_MGMT_RMPP_STATUS_BAD_STATUS); nack_recv(agent, mad_recv_wc, IB_MGMT_RMPP_STATUS_BAD_STATUS); return; } @@ -621,14 +620,13 @@ static void process_rmpp_ack(struct ib_mad_agent_private *agent, seg_num = be32_to_cpu(rmpp_mad->rmpp_hdr.seg_num); newwin = be32_to_cpu(rmpp_mad->rmpp_hdr.paylen_newwin); if (newwin < seg_num) { - abort_send(agent, rmpp_mad->mad_hdr.tid, - IB_MGMT_RMPP_STATUS_W2S); + abort_send(agent, mad_recv_wc, IB_MGMT_RMPP_STATUS_W2S); nack_recv(agent, mad_recv_wc, IB_MGMT_RMPP_STATUS_W2S); return; } spin_lock_irqsave(&agent->lock, flags); - mad_send_wr = ib_find_send_mad(agent, rmpp_mad->mad_hdr.tid); + mad_send_wr = ib_find_send_mad(agent, mad_recv_wc); if (!mad_send_wr) goto out; /* Unmatched ACK */ @@ -639,8 +637,7 @@ static void process_rmpp_ack(struct ib_mad_agent_private *agent, if (seg_num > mad_send_wr->send_buf.seg_count || seg_num > mad_send_wr->newwin) { spin_unlock_irqrestore(&agent->lock, flags); - abort_send(agent, rmpp_mad->mad_hdr.tid, - IB_MGMT_RMPP_STATUS_S2B); + abort_send(agent, mad_recv_wc, IB_MGMT_RMPP_STATUS_S2B); nack_recv(agent, mad_recv_wc, IB_MGMT_RMPP_STATUS_S2B); return; } @@ -728,12 +725,10 @@ static void process_rmpp_stop(struct ib_mad_agent_private *agent, rmpp_mad = (struct ib_rmpp_mad *)mad_recv_wc->recv_buf.mad; if (rmpp_mad->rmpp_hdr.rmpp_status != IB_MGMT_RMPP_STATUS_RESX) { - abort_send(agent, rmpp_mad->mad_hdr.tid, - IB_MGMT_RMPP_STATUS_BAD_STATUS); + abort_send(agent, mad_recv_wc, IB_MGMT_RMPP_STATUS_BAD_STATUS); nack_recv(agent, mad_recv_wc, IB_MGMT_RMPP_STATUS_BAD_STATUS); } else - abort_send(agent, rmpp_mad->mad_hdr.tid, - rmpp_mad->rmpp_hdr.rmpp_status); + abort_send(agent, mad_recv_wc, rmpp_mad->rmpp_hdr.rmpp_status); } static void process_rmpp_abort(struct ib_mad_agent_private *agent, @@ -745,12 +740,10 @@ static void process_rmpp_abort(struct ib_mad_agent_private *agent, if (rmpp_mad->rmpp_hdr.rmpp_status < IB_MGMT_RMPP_STATUS_ABORT_MIN || rmpp_mad->rmpp_hdr.rmpp_status > IB_MGMT_RMPP_STATUS_ABORT_MAX) { - abort_send(agent, rmpp_mad->mad_hdr.tid, - IB_MGMT_RMPP_STATUS_BAD_STATUS); + abort_send(agent, mad_recv_wc, IB_MGMT_RMPP_STATUS_BAD_STATUS); nack_recv(agent, mad_recv_wc, IB_MGMT_RMPP_STATUS_BAD_STATUS); } else - abort_send(agent, rmpp_mad->mad_hdr.tid, - rmpp_mad->rmpp_hdr.rmpp_status); + abort_send(agent, mad_recv_wc, rmpp_mad->rmpp_hdr.rmpp_status); } struct ib_mad_recv_wc * @@ -764,8 +757,7 @@ ib_process_rmpp_recv_wc(struct ib_mad_agent_private *agent, return mad_recv_wc; if (rmpp_mad->rmpp_hdr.rmpp_version != IB_MGMT_RMPP_VERSION) { - abort_send(agent, rmpp_mad->mad_hdr.tid, - IB_MGMT_RMPP_STATUS_UNV); + abort_send(agent, mad_recv_wc, IB_MGMT_RMPP_STATUS_UNV); nack_recv(agent, mad_recv_wc, IB_MGMT_RMPP_STATUS_UNV); goto out; } @@ -783,8 +775,7 @@ ib_process_rmpp_recv_wc(struct ib_mad_agent_private *agent, process_rmpp_abort(agent, mad_recv_wc); break; default: - abort_send(agent, rmpp_mad->mad_hdr.tid, - IB_MGMT_RMPP_STATUS_BADT); + abort_send(agent, mad_recv_wc, IB_MGMT_RMPP_STATUS_BADT); nack_recv(agent, mad_recv_wc, IB_MGMT_RMPP_STATUS_BADT); break; } |