From 66388d67a0d7bf39735650de54e42064d1af8b62 Mon Sep 17 00:00:00 2001 From: Faisal Latif Date: Mon, 22 Jun 2009 22:52:30 -0700 Subject: RDMA/nes: Fix max_qp_init_rd_atom returned from query device In nes_query_device(), max_qp_init_rd_atom is incorrectly set to max_qp_wr. This was found when a test application had a dapl async event error. Signed-off-by: Faisal Latif Signed-off-by: Roland Dreier --- drivers/infiniband/hw/nes/nes_verbs.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers/infiniband/hw') diff --git a/drivers/infiniband/hw/nes/nes_verbs.c b/drivers/infiniband/hw/nes/nes_verbs.c index 64d5cfd..21e0fd3 100644 --- a/drivers/infiniband/hw/nes/nes_verbs.c +++ b/drivers/infiniband/hw/nes/nes_verbs.c @@ -654,7 +654,7 @@ static int nes_query_device(struct ib_device *ibdev, struct ib_device_attr *prop default: props->max_qp_rd_atom = 0; } - props->max_qp_init_rd_atom = props->max_qp_wr; + props->max_qp_init_rd_atom = props->max_qp_rd_atom; props->atomic_cap = IB_ATOMIC_NONE; props->max_map_per_fmr = 1; -- cgit v1.1 From 68237a0ff84503270373c39229be83e865ea08d4 Mon Sep 17 00:00:00 2001 From: Faisal Latif Date: Mon, 22 Jun 2009 22:53:28 -0700 Subject: RDMA/nes: Fix FIN state handling under error conditions During cluster testing, one QP was not closed, as FIN is not handled properly when its rexmit count expires or in some cases when RST is is received after sending FIN. The reason is that the cm_id does not get decremented under these conditions. Signed-off-by: Faisal Latif Signed-off-by: Roland Dreier --- drivers/infiniband/hw/nes/nes_cm.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) (limited to 'drivers/infiniband/hw') diff --git a/drivers/infiniband/hw/nes/nes_cm.c b/drivers/infiniband/hw/nes/nes_cm.c index 11c7d66..114b802 100644 --- a/drivers/infiniband/hw/nes/nes_cm.c +++ b/drivers/infiniband/hw/nes/nes_cm.c @@ -472,6 +472,7 @@ int schedule_nes_timer(struct nes_cm_node *cm_node, struct sk_buff *skb, static void nes_retrans_expired(struct nes_cm_node *cm_node) { + struct iw_cm_id *cm_id = cm_node->cm_id; switch (cm_node->state) { case NES_CM_STATE_SYN_RCVD: case NES_CM_STATE_CLOSING: @@ -479,7 +480,9 @@ static void nes_retrans_expired(struct nes_cm_node *cm_node) break; case NES_CM_STATE_LAST_ACK: case NES_CM_STATE_FIN_WAIT1: - case NES_CM_STATE_MPAREJ_RCVD: + if (cm_node->cm_id) + cm_id->rem_ref(cm_id); + cm_node->state = NES_CM_STATE_CLOSED; send_reset(cm_node, NULL); break; default: @@ -1406,6 +1409,7 @@ static void handle_rst_pkt(struct nes_cm_node *cm_node, struct sk_buff *skb, case NES_CM_STATE_CLOSED: drop_packet(skb); break; + case NES_CM_STATE_FIN_WAIT1: case NES_CM_STATE_LAST_ACK: cm_node->cm_id->rem_ref(cm_node->cm_id); case NES_CM_STATE_TIME_WAIT: @@ -1413,8 +1417,6 @@ static void handle_rst_pkt(struct nes_cm_node *cm_node, struct sk_buff *skb, rem_ref_cm_node(cm_node->cm_core, cm_node); drop_packet(skb); break; - case NES_CM_STATE_FIN_WAIT1: - nes_debug(NES_DBG_CM, "Bad state %s[%u]\n", __func__, __LINE__); default: drop_packet(skb); break; -- cgit v1.1 From 99987bea474ceca8ec6fb05f81d7d188634cdffd Mon Sep 17 00:00:00 2001 From: Roland Dreier Date: Mon, 22 Jun 2009 23:04:13 -0700 Subject: IB/mthca: Replace dma_sync_single() use with proper functions dma_sync_single() is deprecated now, and the use in mthca is wrong: there should be a dma_sync_single_for_cpu() before touching the memory from the CPU, and a dma_sync_single_for_device() afterwards. Fix this, prompted by a kick in the pants from a patch from FUJITA Tomonori . Signed-off-by: Roland Dreier --- drivers/infiniband/hw/mthca/mthca_mr.c | 13 ++++++++++--- 1 file changed, 10 insertions(+), 3 deletions(-) (limited to 'drivers/infiniband/hw') diff --git a/drivers/infiniband/hw/mthca/mthca_mr.c b/drivers/infiniband/hw/mthca/mthca_mr.c index d606edf..065b208 100644 --- a/drivers/infiniband/hw/mthca/mthca_mr.c +++ b/drivers/infiniband/hw/mthca/mthca_mr.c @@ -352,10 +352,14 @@ static void mthca_arbel_write_mtt_seg(struct mthca_dev *dev, BUG_ON(!mtts); + dma_sync_single_for_cpu(&dev->pdev->dev, dma_handle, + list_len * sizeof (u64), DMA_TO_DEVICE); + for (i = 0; i < list_len; ++i) mtts[i] = cpu_to_be64(buffer_list[i] | MTHCA_MTT_FLAG_PRESENT); - dma_sync_single(&dev->pdev->dev, dma_handle, list_len * sizeof (u64), DMA_TO_DEVICE); + dma_sync_single_for_device(&dev->pdev->dev, dma_handle, + list_len * sizeof (u64), DMA_TO_DEVICE); } int mthca_write_mtt(struct mthca_dev *dev, struct mthca_mtt *mtt, @@ -803,12 +807,15 @@ int mthca_arbel_map_phys_fmr(struct ib_fmr *ibfmr, u64 *page_list, wmb(); + dma_sync_single_for_cpu(&dev->pdev->dev, fmr->mem.arbel.dma_handle, + list_len * sizeof(u64), DMA_TO_DEVICE); + for (i = 0; i < list_len; ++i) fmr->mem.arbel.mtts[i] = cpu_to_be64(page_list[i] | MTHCA_MTT_FLAG_PRESENT); - dma_sync_single(&dev->pdev->dev, fmr->mem.arbel.dma_handle, - list_len * sizeof(u64), DMA_TO_DEVICE); + dma_sync_single_for_device(&dev->pdev->dev, fmr->mem.arbel.dma_handle, + list_len * sizeof(u64), DMA_TO_DEVICE); fmr->mem.arbel.mpt->key = cpu_to_be32(key); fmr->mem.arbel.mpt->lkey = cpu_to_be32(key); -- cgit v1.1