From bb6a777369449d15a4a890306d2f925cae720e1c Mon Sep 17 00:00:00 2001 From: Carol L Soto Date: Wed, 3 Feb 2016 15:55:37 -0500 Subject: IB/IPoIB: Do not set skb truesize since using one linearskb We are seeing this warning: at net/core/skbuff.c:4174 and before commit a44878d10063 ("IB/ipoib: Use one linear skb in RX flow") skb truesize was not being set when ipoib was using just one skb. Removing this line avoids the warning when running tcp tests like iperf. Fixes: a44878d10063 ("IB/ipoib: Use one linear skb in RX flow") Signed-off-by: Carol L Soto Signed-off-by: Doug Ledford --- drivers/infiniband/ulp/ipoib/ipoib_ib.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/drivers/infiniband/ulp/ipoib/ipoib_ib.c b/drivers/infiniband/ulp/ipoib/ipoib_ib.c index 5ea0c14070d1..fa9c42ff1fb0 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib_ib.c +++ b/drivers/infiniband/ulp/ipoib/ipoib_ib.c @@ -245,8 +245,6 @@ static void ipoib_ib_handle_rx_wc(struct net_device *dev, struct ib_wc *wc) skb_reset_mac_header(skb); skb_pull(skb, IPOIB_ENCAP_LEN); - skb->truesize = SKB_TRUESIZE(skb->len); - ++dev->stats.rx_packets; dev->stats.rx_bytes += skb->len; -- cgit v1.2.3 From 9f780dab7fb5618ee8bacbf6f91832374231c30c Mon Sep 17 00:00:00 2001 From: Colin Ian King Date: Mon, 25 Jan 2016 18:38:06 +0000 Subject: IB/sysfs: remove unused va_list args _show_port_gid_attr performs a va_end on some unused va_list args. Clean this up by removing the args completely. Fixes: 470be516a226e8 ("IB/core: Add gid attributes to sysfs") Signed-off-by: Colin Ian King Reviewed-by: Ira Weiny Reviewed-by: Jason Gunthorpe Signed-off-by: Doug Ledford --- drivers/infiniband/core/sysfs.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/drivers/infiniband/core/sysfs.c b/drivers/infiniband/core/sysfs.c index 3de93517efe4..ec46386e3c7f 100644 --- a/drivers/infiniband/core/sysfs.c +++ b/drivers/infiniband/core/sysfs.c @@ -336,7 +336,6 @@ static ssize_t _show_port_gid_attr(struct ib_port *p, union ib_gid gid; struct ib_gid_attr gid_attr = {}; ssize_t ret; - va_list args; ret = ib_query_gid(p->ibdev, p->port_num, tab_attr->index, &gid, &gid_attr); @@ -348,7 +347,6 @@ static ssize_t _show_port_gid_attr(struct ib_port *p, err: if (gid_attr.ndev) dev_put(gid_attr.ndev); - va_end(args); return ret; } -- cgit v1.2.3 From fd98d89698855f6cf5650c014e5d3fca38783c8b Mon Sep 17 00:00:00 2001 From: Selvin Xavier Date: Fri, 5 Feb 2016 20:06:37 +0530 Subject: RDMA/ocrdma: Initialize stats resources in the driver before ib device registration. In the latest kernel, process_mad hook of the driver can be invoked as soon as device is registered. In this hook, ocrdma driver is issuing a command to get the stats counters from the HW. This is triggering system crash since the statistics command resources are not allocated by the driver. Changing the sequence of initialization to avoid this crash. Signed-off-by: Selvin Xavier Signed-off-by: Doug Ledford --- drivers/infiniband/hw/ocrdma/ocrdma_main.c | 6 ++++++ drivers/infiniband/hw/ocrdma/ocrdma_stats.c | 14 ++++---------- drivers/infiniband/hw/ocrdma/ocrdma_stats.h | 2 ++ 3 files changed, 12 insertions(+), 10 deletions(-) diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_main.c b/drivers/infiniband/hw/ocrdma/ocrdma_main.c index 573849354cb9..f38743018cb4 100644 --- a/drivers/infiniband/hw/ocrdma/ocrdma_main.c +++ b/drivers/infiniband/hw/ocrdma/ocrdma_main.c @@ -228,6 +228,11 @@ static int ocrdma_alloc_resources(struct ocrdma_dev *dev) ocrdma_alloc_pd_pool(dev); + if (!ocrdma_alloc_stats_resources(dev)) { + pr_err("%s: stats resource allocation failed\n", __func__); + goto alloc_err; + } + spin_lock_init(&dev->av_tbl.lock); spin_lock_init(&dev->flush_q_lock); return 0; @@ -238,6 +243,7 @@ alloc_err: static void ocrdma_free_resources(struct ocrdma_dev *dev) { + ocrdma_release_stats_resources(dev); kfree(dev->stag_arr); kfree(dev->qp_tbl); kfree(dev->cq_tbl); diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_stats.c b/drivers/infiniband/hw/ocrdma/ocrdma_stats.c index 86c303a620c1..fc02e86849ce 100644 --- a/drivers/infiniband/hw/ocrdma/ocrdma_stats.c +++ b/drivers/infiniband/hw/ocrdma/ocrdma_stats.c @@ -64,10 +64,11 @@ static int ocrdma_add_stat(char *start, char *pcur, return cpy_len; } -static bool ocrdma_alloc_stats_mem(struct ocrdma_dev *dev) +bool ocrdma_alloc_stats_resources(struct ocrdma_dev *dev) { struct stats_mem *mem = &dev->stats_mem; + mutex_init(&dev->stats_lock); /* Alloc mbox command mem*/ mem->size = max_t(u32, sizeof(struct ocrdma_rdma_stats_req), sizeof(struct ocrdma_rdma_stats_resp)); @@ -91,13 +92,14 @@ static bool ocrdma_alloc_stats_mem(struct ocrdma_dev *dev) return true; } -static void ocrdma_release_stats_mem(struct ocrdma_dev *dev) +void ocrdma_release_stats_resources(struct ocrdma_dev *dev) { struct stats_mem *mem = &dev->stats_mem; if (mem->va) dma_free_coherent(&dev->nic_info.pdev->dev, mem->size, mem->va, mem->pa); + mem->va = NULL; kfree(mem->debugfs_mem); } @@ -838,15 +840,9 @@ void ocrdma_add_port_stats(struct ocrdma_dev *dev) &dev->reset_stats, &ocrdma_dbg_ops)) goto err; - /* Now create dma_mem for stats mbx command */ - if (!ocrdma_alloc_stats_mem(dev)) - goto err; - - mutex_init(&dev->stats_lock); return; err: - ocrdma_release_stats_mem(dev); debugfs_remove_recursive(dev->dir); dev->dir = NULL; } @@ -856,8 +852,6 @@ void ocrdma_rem_port_stats(struct ocrdma_dev *dev) if (!dev->dir) return; debugfs_remove(dev->dir); - mutex_destroy(&dev->stats_lock); - ocrdma_release_stats_mem(dev); } void ocrdma_init_debugfs(void) diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_stats.h b/drivers/infiniband/hw/ocrdma/ocrdma_stats.h index c9e58d04c7b8..bba1fec4f11f 100644 --- a/drivers/infiniband/hw/ocrdma/ocrdma_stats.h +++ b/drivers/infiniband/hw/ocrdma/ocrdma_stats.h @@ -65,6 +65,8 @@ enum OCRDMA_STATS_TYPE { void ocrdma_rem_debugfs(void); void ocrdma_init_debugfs(void); +bool ocrdma_alloc_stats_resources(struct ocrdma_dev *dev); +void ocrdma_release_stats_resources(struct ocrdma_dev *dev); void ocrdma_rem_port_stats(struct ocrdma_dev *dev); void ocrdma_add_port_stats(struct ocrdma_dev *dev); int ocrdma_pma_counters(struct ocrdma_dev *dev, -- cgit v1.2.3 From 7d82df1663e8a66961954258f3a99701f0126e73 Mon Sep 17 00:00:00 2001 From: Selvin Xavier Date: Fri, 5 Feb 2016 20:06:38 +0530 Subject: RDMA/ocrdma: populate max_sge_rd in device attributes max_sge_rd is used by some of the ULPs to calculate the maximum number of SGEs that can be used for RDMA READ. Populating this value in the response of query_device verb. Also, avoid checking the max_srq_sge while populating max_sge. Signed-off-by: Selvin Xavier Signed-off-by: Doug Ledford --- drivers/infiniband/hw/ocrdma/ocrdma_verbs.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c b/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c index d4c687b548d8..7cf1324ad081 100644 --- a/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c +++ b/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c @@ -125,8 +125,8 @@ int ocrdma_query_device(struct ib_device *ibdev, struct ib_device_attr *attr, IB_DEVICE_SYS_IMAGE_GUID | IB_DEVICE_LOCAL_DMA_LKEY | IB_DEVICE_MEM_MGT_EXTENSIONS; - attr->max_sge = min(dev->attr.max_send_sge, dev->attr.max_srq_sge); - attr->max_sge_rd = 0; + attr->max_sge = dev->attr.max_send_sge; + attr->max_sge_rd = attr->max_sge; attr->max_cq = dev->attr.max_cq; attr->max_cqe = dev->attr.max_cqe; attr->max_mr = dev->attr.max_mr; -- cgit v1.2.3 From aff3ead9fa25b2a472d1a894365f66b28e1e2787 Mon Sep 17 00:00:00 2001 From: Selvin Xavier Date: Fri, 5 Feb 2016 20:06:39 +0530 Subject: RDMA/ocrdma: Fix pkey_index returned by driver in rq work completion Currently returning the pkey value instead of pkey index. pkey index is always zero since ocrdma supports only default pkey. Signed-off-by: Selvin Xavier Signed-off-by: Doug Ledford --- drivers/infiniband/hw/ocrdma/ocrdma_verbs.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c b/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c index 7cf1324ad081..37620b4baafb 100644 --- a/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c +++ b/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c @@ -2726,8 +2726,7 @@ static int ocrdma_update_ud_rcqe(struct ib_wc *ibwc, struct ocrdma_cqe *cqe) OCRDMA_CQE_UD_STATUS_MASK) >> OCRDMA_CQE_UD_STATUS_SHIFT; ibwc->src_qp = le32_to_cpu(cqe->flags_status_srcqpn) & OCRDMA_CQE_SRCQP_MASK; - ibwc->pkey_index = le32_to_cpu(cqe->ud.rxlen_pkey) & - OCRDMA_CQE_PKEY_MASK; + ibwc->pkey_index = 0; ibwc->wc_flags = IB_WC_GRH; ibwc->byte_len = (le32_to_cpu(cqe->ud.rxlen_pkey) >> OCRDMA_CQE_UD_XFER_LEN_SHIFT); -- cgit v1.2.3 From 7425f410ca6cffe81400906286f80e8e15d9b301 Mon Sep 17 00:00:00 2001 From: Selvin Xavier Date: Fri, 5 Feb 2016 20:06:40 +0530 Subject: RDMA/ocrdma: Fixing ocrdma debugfs directory remove During the ocrdma device remove sequence, the debugfs directory tree of each ocrdma device needs to be removed. Use debugfs_remove_recursive instead of debugfs_remove. Signed-off-by: Selvin Xavier Signed-off-by: Doug Ledford --- drivers/infiniband/hw/ocrdma/ocrdma_stats.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_stats.c b/drivers/infiniband/hw/ocrdma/ocrdma_stats.c index fc02e86849ce..255f774080a4 100644 --- a/drivers/infiniband/hw/ocrdma/ocrdma_stats.c +++ b/drivers/infiniband/hw/ocrdma/ocrdma_stats.c @@ -851,7 +851,7 @@ void ocrdma_rem_port_stats(struct ocrdma_dev *dev) { if (!dev->dir) return; - debugfs_remove(dev->dir); + debugfs_remove_recursive(dev->dir); } void ocrdma_init_debugfs(void) -- cgit v1.2.3