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-rw-r--r--include/net/9p/client.h98
-rw-r--r--include/net/9p/transport.h15
-rw-r--r--include/net/cfg80211.h3
-rw-r--r--include/net/dropreason-core.h6
-rw-r--r--include/net/dsa.h1
-rw-r--r--include/net/hotdata.h1
-rw-r--r--include/net/inet_frag.h18
-rw-r--r--include/net/ip_tunnels.h13
-rw-r--r--include/net/ipv6_frag.h9
-rw-r--r--include/net/netfilter/nf_tables.h34
-rw-r--r--include/net/sock.h6
11 files changed, 170 insertions, 34 deletions
diff --git a/include/net/9p/client.h b/include/net/9p/client.h
index 4f785098c67a..838a94218b59 100644
--- a/include/net/9p/client.h
+++ b/include/net/9p/client.h
@@ -16,6 +16,12 @@
/* Number of requests per row */
#define P9_ROW_MAXTAG 255
+/* DEFAULT MSIZE = 32 pages worth of payload + P9_HDRSZ +
+ * room for write (16 extra) or read (11 extra) operands.
+ */
+
+#define DEFAULT_MSIZE ((128 * 1024) + P9_IOHDRSZ)
+
/** enum p9_proto_versions - 9P protocol versions
* @p9_proto_legacy: 9P Legacy mode, pre-9P2000.u
* @p9_proto_2000u: 9P2000.u extension
@@ -127,6 +133,96 @@ struct p9_client {
};
/**
+ * struct p9_fd_opts - holds client options during parsing
+ * @msize: maximum data size negotiated by protocol
+ * @prot-Oversion: 9P protocol version to use
+ * @trans_mod: module API instantiated with this client
+ *
+ * These parsed options get transferred into client in
+ * apply_client_options()
+ */
+struct p9_client_opts {
+ unsigned int msize;
+ unsigned char proto_version;
+ struct p9_trans_module *trans_mod;
+};
+
+/**
+ * struct p9_fd_opts - per-transport options for fd transport
+ * @rfd: file descriptor for reading (trans=fd)
+ * @wfd: file descriptor for writing (trans=fd)
+ * @port: port to connect to (trans=tcp)
+ * @privport: port is privileged
+ */
+struct p9_fd_opts {
+ int rfd;
+ int wfd;
+ u16 port;
+ bool privport;
+};
+
+/**
+ * struct p9_rdma_opts - Collection of mount options for rdma transport
+ * @port: port of connection
+ * @privport: Whether a privileged port may be used
+ * @sq_depth: The requested depth of the SQ. This really doesn't need
+ * to be any deeper than the number of threads used in the client
+ * @rq_depth: The depth of the RQ. Should be greater than or equal to SQ depth
+ * @timeout: Time to wait in msecs for CM events
+ */
+struct p9_rdma_opts {
+ short port;
+ bool privport;
+ int sq_depth;
+ int rq_depth;
+ long timeout;
+};
+
+/**
+ * struct p9_session_opts - holds parsed options for v9fs_session_info
+ * @flags: session options of type &p9_session_flags
+ * @nodev: set to 1 to disable device mapping
+ * @debug: debug level
+ * @afid: authentication handle
+ * @cache: cache mode of type &p9_cache_bits
+ * @cachetag: the tag of the cache associated with this session
+ * @uname: string user name to mount hierarchy as
+ * @aname: mount specifier for remote hierarchy
+ * @dfltuid: default numeric userid to mount hierarchy as
+ * @dfltgid: default numeric groupid to mount hierarchy as
+ * @uid: if %V9FS_ACCESS_SINGLE, the numeric uid which mounted the hierarchy
+ * @session_lock_timeout: retry interval for blocking locks
+ *
+ * This strucure holds options which are parsed and will be transferred
+ * to the v9fs_session_info structure when mounted, and therefore largely
+ * duplicates struct v9fs_session_info.
+ */
+struct p9_session_opts {
+ unsigned int flags;
+ unsigned char nodev;
+ unsigned short debug;
+ unsigned int afid;
+ unsigned int cache;
+#ifdef CONFIG_9P_FSCACHE
+ char *cachetag;
+#endif
+ char *uname;
+ char *aname;
+ kuid_t dfltuid;
+ kgid_t dfltgid;
+ kuid_t uid;
+ long session_lock_timeout;
+};
+
+/* Used by mount API to store parsed mount options */
+struct v9fs_context {
+ struct p9_client_opts client_opts;
+ struct p9_fd_opts fd_opts;
+ struct p9_rdma_opts rdma_opts;
+ struct p9_session_opts session_opts;
+};
+
+/**
* struct p9_fid - file system entity handle
* @clnt: back pointer to instantiating &p9_client
* @fid: numeric identifier for this handle
@@ -183,7 +279,7 @@ int p9_client_rename(struct p9_fid *fid, struct p9_fid *newdirfid,
const char *name);
int p9_client_renameat(struct p9_fid *olddirfid, const char *old_name,
struct p9_fid *newdirfid, const char *new_name);
-struct p9_client *p9_client_create(const char *dev_name, char *options);
+struct p9_client *p9_client_create(struct fs_context *fc);
void p9_client_destroy(struct p9_client *clnt);
void p9_client_disconnect(struct p9_client *clnt);
void p9_client_begin_disconnect(struct p9_client *clnt);
diff --git a/include/net/9p/transport.h b/include/net/9p/transport.h
index 766ec07c9599..a912bbaa862f 100644
--- a/include/net/9p/transport.h
+++ b/include/net/9p/transport.h
@@ -14,6 +14,13 @@
#define P9_DEF_MIN_RESVPORT (665U)
#define P9_DEF_MAX_RESVPORT (1023U)
+#define P9_FD_PORT 564
+
+#define P9_RDMA_PORT 5640
+#define P9_RDMA_SQ_DEPTH 32
+#define P9_RDMA_RQ_DEPTH 32
+#define P9_RDMA_TIMEOUT 30000 /* 30 seconds */
+
/**
* struct p9_trans_module - transport module interface
* @list: used to maintain a list of currently available transports
@@ -24,6 +31,9 @@
* we're less flexible when choosing the response message
* size in this case
* @def: set if this transport should be considered the default
+ * @supports_vmalloc: set if this transport can work with vmalloc'd buffers
+ * (non-physically contiguous memory). Transports requiring
+ * DMA should leave this as false.
* @create: member function to create a new connection on this transport
* @close: member function to discard a connection on this transport
* @request: member function to issue a request to the transport
@@ -43,10 +53,11 @@ struct p9_trans_module {
char *name; /* name of transport */
int maxsize; /* max message size of transport */
bool pooled_rbuffers;
- int def; /* this transport should be default */
+ bool def; /* this transport should be default */
+ bool supports_vmalloc; /* can work with vmalloc'd buffers */
struct module *owner;
int (*create)(struct p9_client *client,
- const char *devname, char *args);
+ struct fs_context *fc);
void (*close)(struct p9_client *client);
int (*request)(struct p9_client *client, struct p9_req_t *req);
int (*cancel)(struct p9_client *client, struct p9_req_t *req);
diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h
index 899f267b7cf9..2900202588a5 100644
--- a/include/net/cfg80211.h
+++ b/include/net/cfg80211.h
@@ -3221,8 +3221,6 @@ struct cfg80211_auth_request {
* if this is %NULL for a link, that link is not requested
* @elems: extra elements for the per-STA profile for this link
* @elems_len: length of the elements
- * @disabled: If set this link should be included during association etc. but it
- * should not be used until enabled by the AP MLD.
* @error: per-link error code, must be <= 0. If there is an error, then the
* operation as a whole must fail.
*/
@@ -3230,7 +3228,6 @@ struct cfg80211_assoc_link {
struct cfg80211_bss *bss;
const u8 *elems;
size_t elems_len;
- bool disabled;
int error;
};
diff --git a/include/net/dropreason-core.h b/include/net/dropreason-core.h
index 58d91ccc56e0..a7b7abd66e21 100644
--- a/include/net/dropreason-core.h
+++ b/include/net/dropreason-core.h
@@ -67,6 +67,7 @@
FN(TC_EGRESS) \
FN(SECURITY_HOOK) \
FN(QDISC_DROP) \
+ FN(QDISC_BURST_DROP) \
FN(QDISC_OVERLIMIT) \
FN(QDISC_CONGESTED) \
FN(CAKE_FLOOD) \
@@ -375,6 +376,11 @@ enum skb_drop_reason {
*/
SKB_DROP_REASON_QDISC_DROP,
/**
+ * @SKB_DROP_REASON_QDISC_BURST_DROP: dropped when net.core.qdisc_max_burst
+ * limit is hit.
+ */
+ SKB_DROP_REASON_QDISC_BURST_DROP,
+ /**
* @SKB_DROP_REASON_QDISC_OVERLIMIT: dropped by qdisc when a qdisc
* instance exceeds its total buffer size limit.
*/
diff --git a/include/net/dsa.h b/include/net/dsa.h
index cced1a866757..6b2b5ed64ea4 100644
--- a/include/net/dsa.h
+++ b/include/net/dsa.h
@@ -302,6 +302,7 @@ struct dsa_port {
struct devlink_port devlink_port;
struct phylink *pl;
struct phylink_config pl_config;
+ netdevice_tracker conduit_tracker;
struct dsa_lag *lag;
struct net_device *hsr_dev;
diff --git a/include/net/hotdata.h b/include/net/hotdata.h
index 4acec191c54a..6632b1aa7584 100644
--- a/include/net/hotdata.h
+++ b/include/net/hotdata.h
@@ -42,6 +42,7 @@ struct net_hotdata {
int netdev_budget_usecs;
int tstamp_prequeue;
int max_backlog;
+ int qdisc_max_burst;
int dev_tx_weight;
int dev_rx_weight;
int sysctl_max_skb_frags;
diff --git a/include/net/inet_frag.h b/include/net/inet_frag.h
index 0eccd9c3a883..365925c9d262 100644
--- a/include/net/inet_frag.h
+++ b/include/net/inet_frag.h
@@ -123,27 +123,15 @@ void inet_frags_fini(struct inet_frags *);
int fqdir_init(struct fqdir **fqdirp, struct inet_frags *f, struct net *net);
-static inline void fqdir_pre_exit(struct fqdir *fqdir)
-{
- /* Prevent creation of new frags.
- * Pairs with READ_ONCE() in inet_frag_find().
- */
- WRITE_ONCE(fqdir->high_thresh, 0);
-
- /* Pairs with READ_ONCE() in inet_frag_kill(), ip_expire()
- * and ip6frag_expire_frag_queue().
- */
- WRITE_ONCE(fqdir->dead, true);
-}
+void fqdir_pre_exit(struct fqdir *fqdir);
void fqdir_exit(struct fqdir *fqdir);
void inet_frag_kill(struct inet_frag_queue *q, int *refs);
void inet_frag_destroy(struct inet_frag_queue *q);
struct inet_frag_queue *inet_frag_find(struct fqdir *fqdir, void *key);
-/* Free all skbs in the queue; return the sum of their truesizes. */
-unsigned int inet_frag_rbtree_purge(struct rb_root *root,
- enum skb_drop_reason reason);
+void inet_frag_queue_flush(struct inet_frag_queue *q,
+ enum skb_drop_reason reason);
static inline void inet_frag_putn(struct inet_frag_queue *q, int refs)
{
diff --git a/include/net/ip_tunnels.h b/include/net/ip_tunnels.h
index ecae35512b9b..4021e6a73e32 100644
--- a/include/net/ip_tunnels.h
+++ b/include/net/ip_tunnels.h
@@ -19,6 +19,7 @@
#include <net/rtnetlink.h>
#include <net/lwtunnel.h>
#include <net/dst_cache.h>
+#include <net/netdev_lock.h>
#if IS_ENABLED(CONFIG_IPV6)
#include <net/ipv6.h>
@@ -372,7 +373,17 @@ static inline void ip_tunnel_init_flow(struct flowi4 *fl4,
fl4->flowi4_flags = flow_flags;
}
-int ip_tunnel_init(struct net_device *dev);
+int __ip_tunnel_init(struct net_device *dev);
+#define ip_tunnel_init(DEV) \
+({ \
+ struct net_device *__dev = (DEV); \
+ int __res = __ip_tunnel_init(__dev); \
+ \
+ if (!__res) \
+ netdev_lockdep_set_classes(__dev);\
+ __res; \
+})
+
void ip_tunnel_uninit(struct net_device *dev);
void ip_tunnel_dellink(struct net_device *dev, struct list_head *head);
struct net *ip_tunnel_get_link_net(const struct net_device *dev);
diff --git a/include/net/ipv6_frag.h b/include/net/ipv6_frag.h
index 38ef66826939..41d9fc6965f9 100644
--- a/include/net/ipv6_frag.h
+++ b/include/net/ipv6_frag.h
@@ -69,9 +69,6 @@ ip6frag_expire_frag_queue(struct net *net, struct frag_queue *fq)
int refs = 1;
rcu_read_lock();
- /* Paired with the WRITE_ONCE() in fqdir_pre_exit(). */
- if (READ_ONCE(fq->q.fqdir->dead))
- goto out_rcu_unlock;
spin_lock(&fq->q.lock);
if (fq->q.flags & INET_FRAG_COMPLETE)
@@ -80,6 +77,12 @@ ip6frag_expire_frag_queue(struct net *net, struct frag_queue *fq)
fq->q.flags |= INET_FRAG_DROP;
inet_frag_kill(&fq->q, &refs);
+ /* Paired with the WRITE_ONCE() in fqdir_pre_exit(). */
+ if (READ_ONCE(fq->q.fqdir->dead)) {
+ inet_frag_queue_flush(&fq->q, 0);
+ goto out;
+ }
+
dev = dev_get_by_index_rcu(net, fq->iif);
if (!dev)
goto out;
diff --git a/include/net/netfilter/nf_tables.h b/include/net/netfilter/nf_tables.h
index fab7dc73f738..0e266c2d0e7f 100644
--- a/include/net/netfilter/nf_tables.h
+++ b/include/net/netfilter/nf_tables.h
@@ -1091,6 +1091,29 @@ struct nft_rule_blob {
__attribute__((aligned(__alignof__(struct nft_rule_dp))));
};
+enum nft_chain_types {
+ NFT_CHAIN_T_DEFAULT = 0,
+ NFT_CHAIN_T_ROUTE,
+ NFT_CHAIN_T_NAT,
+ NFT_CHAIN_T_MAX
+};
+
+/**
+ * struct nft_chain_validate_state - validation state
+ *
+ * If a chain is encountered again during table validation it is
+ * possible to avoid revalidation provided the calling context is
+ * compatible. This structure stores relevant calling context of
+ * previous validations.
+ *
+ * @hook_mask: the hook numbers and locations the chain is linked to
+ * @depth: the deepest call chain level the chain is linked to
+ */
+struct nft_chain_validate_state {
+ u8 hook_mask[NFT_CHAIN_T_MAX];
+ u8 depth;
+};
+
/**
* struct nft_chain - nf_tables chain
*
@@ -1109,6 +1132,7 @@ struct nft_rule_blob {
* @udlen: user data length
* @udata: user data in the chain
* @blob_next: rule blob pointer to the next in the chain
+ * @vstate: validation state
*/
struct nft_chain {
struct nft_rule_blob __rcu *blob_gen_0;
@@ -1128,9 +1152,10 @@ struct nft_chain {
/* Only used during control plane commit phase: */
struct nft_rule_blob *blob_next;
+ struct nft_chain_validate_state vstate;
};
-int nft_chain_validate(const struct nft_ctx *ctx, const struct nft_chain *chain);
+int nft_chain_validate(const struct nft_ctx *ctx, struct nft_chain *chain);
int nft_setelem_validate(const struct nft_ctx *ctx, struct nft_set *set,
const struct nft_set_iter *iter,
struct nft_elem_priv *elem_priv);
@@ -1138,13 +1163,6 @@ int nft_set_catchall_validate(const struct nft_ctx *ctx, struct nft_set *set);
int nf_tables_bind_chain(const struct nft_ctx *ctx, struct nft_chain *chain);
void nf_tables_unbind_chain(const struct nft_ctx *ctx, struct nft_chain *chain);
-enum nft_chain_types {
- NFT_CHAIN_T_DEFAULT = 0,
- NFT_CHAIN_T_ROUTE,
- NFT_CHAIN_T_NAT,
- NFT_CHAIN_T_MAX
-};
-
/**
* struct nft_chain_type - nf_tables chain type info
*
diff --git a/include/net/sock.h b/include/net/sock.h
index 02253c6a578b..aafe8bdb2c0f 100644
--- a/include/net/sock.h
+++ b/include/net/sock.h
@@ -2662,8 +2662,12 @@ static inline bool mem_cgroup_sk_under_memory_pressure(const struct sock *sk)
#endif /* CONFIG_MEMCG_V1 */
do {
- if (time_before64(get_jiffies_64(), mem_cgroup_get_socket_pressure(memcg)))
+ if (time_before64(get_jiffies_64(),
+ mem_cgroup_get_socket_pressure(memcg))) {
+ memcg_memory_event(mem_cgroup_from_sk(sk),
+ MEMCG_SOCK_THROTTLED);
return true;
+ }
} while ((memcg = parent_mem_cgroup(memcg)));
return false;