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authorJason Gunthorpe <jgg@nvidia.com>2024-11-12 13:47:28 -0400
committerJason Gunthorpe <jgg@nvidia.com>2024-11-12 13:47:28 -0400
commit4e6bd13aa33c78346973f01c7303b4909d79ec86 (patch)
tree6205937f65a4d859dcecaf48da8801a1e4103ce7 /net/dsa
parentb047c0644f4e0aafd202e9519a22e17651fbee70 (diff)
parentf6681abd413919472d8a142420b639a3a8d84673 (diff)
Merge branch 'iommufd/arm-smmuv3-nested' of iommu/linux into iommufd for-next
Common SMMUv3 patches for the following patches adding nesting, shared branch with the iommu tree. * 'iommufd/arm-smmuv3-nested' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/iommu/linux: iommu/arm-smmu-v3: Expose the arm_smmu_attach interface iommu/arm-smmu-v3: Implement IOMMU_HWPT_ALLOC_NEST_PARENT iommu/arm-smmu-v3: Support IOMMU_GET_HW_INFO via struct arm_smmu_hw_info iommu/arm-smmu-v3: Report IOMMU_CAP_ENFORCE_CACHE_COHERENCY for CANWBS ACPI/IORT: Support CANWBS memory access flag ACPICA: IORT: Update for revision E.f vfio: Remove VFIO_TYPE1_NESTING_IOMMU ... Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Diffstat (limited to 'net/dsa')
-rw-r--r--net/dsa/dsa.c7
-rw-r--r--net/dsa/user.c11
2 files changed, 15 insertions, 3 deletions
diff --git a/net/dsa/dsa.c b/net/dsa/dsa.c
index 668c729946ea..1664547deffd 100644
--- a/net/dsa/dsa.c
+++ b/net/dsa/dsa.c
@@ -1577,6 +1577,7 @@ EXPORT_SYMBOL_GPL(dsa_unregister_switch);
void dsa_switch_shutdown(struct dsa_switch *ds)
{
struct net_device *conduit, *user_dev;
+ LIST_HEAD(close_list);
struct dsa_port *dp;
mutex_lock(&dsa2_mutex);
@@ -1586,10 +1587,16 @@ void dsa_switch_shutdown(struct dsa_switch *ds)
rtnl_lock();
+ dsa_switch_for_each_cpu_port(dp, ds)
+ list_add(&dp->conduit->close_list, &close_list);
+
+ dev_close_many(&close_list, true);
+
dsa_switch_for_each_user_port(dp, ds) {
conduit = dsa_port_to_conduit(dp);
user_dev = dp->user;
+ netif_device_detach(user_dev);
netdev_upper_dev_unlink(conduit, user_dev);
}
diff --git a/net/dsa/user.c b/net/dsa/user.c
index 74eda9b30608..64f660d2334b 100644
--- a/net/dsa/user.c
+++ b/net/dsa/user.c
@@ -1392,6 +1392,14 @@ dsa_user_add_cls_matchall_mirred(struct net_device *dev,
if (!dsa_user_dev_check(act->dev))
return -EOPNOTSUPP;
+ to_dp = dsa_user_to_port(act->dev);
+
+ if (dp->ds != to_dp->ds) {
+ NL_SET_ERR_MSG_MOD(extack,
+ "Cross-chip mirroring not implemented");
+ return -EOPNOTSUPP;
+ }
+
mall_tc_entry = kzalloc(sizeof(*mall_tc_entry), GFP_KERNEL);
if (!mall_tc_entry)
return -ENOMEM;
@@ -1399,9 +1407,6 @@ dsa_user_add_cls_matchall_mirred(struct net_device *dev,
mall_tc_entry->cookie = cls->cookie;
mall_tc_entry->type = DSA_PORT_MALL_MIRROR;
mirror = &mall_tc_entry->mirror;
-
- to_dp = dsa_user_to_port(act->dev);
-
mirror->to_local_port = to_dp->index;
mirror->ingress = ingress;