From 052bc06c2581e274ec13efee1fe155af972003bb Mon Sep 17 00:00:00 2001 From: Hans Petter Selasky Date: Wed, 16 Oct 2019 08:55:29 +0000 Subject: [PATCH] Replace rdma_is_upper_dev_rcu() with rdma_vlan_dev_real_dev() in ibcore. This reduces the number of references to VLAN_TRUNKDEV() in ibcore. Currently only VLAN is supported as a child interface in FreeBSD. Remove superfluous RCU locking. Sponsored by: Mellanox Technologies --- sys/ofed/drivers/infiniband/core/core_priv.h | 10 ---------- sys/ofed/drivers/infiniband/core/ib_sa_query.c | 4 +--- 2 files changed, 1 insertion(+), 13 deletions(-) diff --git a/sys/ofed/drivers/infiniband/core/core_priv.h b/sys/ofed/drivers/infiniband/core/core_priv.h index bfb307e531f..7e3401ddf90 100644 --- a/sys/ofed/drivers/infiniband/core/core_priv.h +++ b/sys/ofed/drivers/infiniband/core/core_priv.h @@ -128,16 +128,6 @@ int ib_cache_setup_one(struct ib_device *device); void ib_cache_cleanup_one(struct ib_device *device); void ib_cache_release_one(struct ib_device *device); -static inline bool rdma_is_upper_dev_rcu(struct net_device *dev, - struct net_device *upper) -{ - - /* TODO: add support for LAGG */ - upper = VLAN_TRUNKDEV(upper); - - return (dev == upper); -} - int addr_init(void); void addr_cleanup(void); diff --git a/sys/ofed/drivers/infiniband/core/ib_sa_query.c b/sys/ofed/drivers/infiniband/core/ib_sa_query.c index 971cbba1833..7b09b7a7e3f 100644 --- a/sys/ofed/drivers/infiniband/core/ib_sa_query.c +++ b/sys/ofed/drivers/infiniband/core/ib_sa_query.c @@ -702,12 +702,10 @@ int ib_init_ah_from_path(struct ib_device *device, u8 port_num, return -ENODEV; } ndev = ib_get_ndev_from_path(rec); - rcu_read_lock(); if ((ndev && ndev != resolved_dev) || (resolved_dev != idev && - !rdma_is_upper_dev_rcu(idev, resolved_dev))) + rdma_vlan_dev_real_dev(resolved_dev) != idev)) ret = -EHOSTUNREACH; - rcu_read_unlock(); dev_put(idev); dev_put(resolved_dev); if (ret) {