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-rw-r--r--include/net/bond_alb.h2
-rw-r--r--include/net/busy_poll.h13
-rw-r--r--include/net/dst_cache.h11
-rw-r--r--include/net/fib_rules.h4
-rw-r--r--include/net/ip6_fib.h1
-rw-r--r--include/net/ip_fib.h2
-rw-r--r--include/net/ipv6_stubs.h1
-rw-r--r--include/net/netfilter/nf_conntrack.h6
-rw-r--r--include/net/netns/ipv4.h2
-rw-r--r--include/net/nfc/nci_core.h1
-rw-r--r--include/net/nl802154.h7
-rw-r--r--include/net/page_pool.h12
-rw-r--r--include/net/pkt_sched.h16
-rw-r--r--include/net/sch_generic.h2
-rw-r--r--include/net/sctp/sctp.h9
-rw-r--r--include/net/sctp/structs.h3
-rw-r--r--include/net/seg6.h21
-rw-r--r--include/net/sock.h32
18 files changed, 118 insertions, 27 deletions
diff --git a/include/net/bond_alb.h b/include/net/bond_alb.h
index f6af76c87a6c..191c36afa1f4 100644
--- a/include/net/bond_alb.h
+++ b/include/net/bond_alb.h
@@ -126,7 +126,7 @@ struct tlb_slave_info {
struct alb_bond_info {
struct tlb_client_info *tx_hashtbl; /* Dynamically allocated */
u32 unbalanced_load;
- int tx_rebalance_counter;
+ atomic_t tx_rebalance_counter;
int lp_counter;
/* -------- rlb parameters -------- */
int rlb_enabled;
diff --git a/include/net/busy_poll.h b/include/net/busy_poll.h
index 4202c609bb0b..c4898fcbf923 100644
--- a/include/net/busy_poll.h
+++ b/include/net/busy_poll.h
@@ -133,6 +133,19 @@ static inline void sk_mark_napi_id(struct sock *sk, const struct sk_buff *skb)
if (unlikely(READ_ONCE(sk->sk_napi_id) != skb->napi_id))
WRITE_ONCE(sk->sk_napi_id, skb->napi_id);
#endif
+ sk_rx_queue_update(sk, skb);
+}
+
+/* Variant of sk_mark_napi_id() for passive flow setup,
+ * as sk->sk_napi_id and sk->sk_rx_queue_mapping content
+ * needs to be set.
+ */
+static inline void sk_mark_napi_id_set(struct sock *sk,
+ const struct sk_buff *skb)
+{
+#ifdef CONFIG_NET_RX_BUSY_POLL
+ WRITE_ONCE(sk->sk_napi_id, skb->napi_id);
+#endif
sk_rx_queue_set(sk, skb);
}
diff --git a/include/net/dst_cache.h b/include/net/dst_cache.h
index 67634675e919..df6622a5fe98 100644
--- a/include/net/dst_cache.h
+++ b/include/net/dst_cache.h
@@ -80,6 +80,17 @@ static inline void dst_cache_reset(struct dst_cache *dst_cache)
}
/**
+ * dst_cache_reset_now - invalidate the cache contents immediately
+ * @dst_cache: the cache
+ *
+ * The caller must be sure there are no concurrent users, as this frees
+ * all dst_cache users immediately, rather than waiting for the next
+ * per-cpu usage like dst_cache_reset does. Most callers should use the
+ * higher speed lazily-freed dst_cache_reset function instead.
+ */
+void dst_cache_reset_now(struct dst_cache *dst_cache);
+
+/**
* dst_cache_init - initialize the cache, allocating the required storage
* @dst_cache: the cache
* @gfp: allocation flags
diff --git a/include/net/fib_rules.h b/include/net/fib_rules.h
index 4b10676c69d1..bd07484ab9dd 100644
--- a/include/net/fib_rules.h
+++ b/include/net/fib_rules.h
@@ -69,7 +69,7 @@ struct fib_rules_ops {
int (*action)(struct fib_rule *,
struct flowi *, int,
struct fib_lookup_arg *);
- bool (*suppress)(struct fib_rule *,
+ bool (*suppress)(struct fib_rule *, int,
struct fib_lookup_arg *);
int (*match)(struct fib_rule *,
struct flowi *, int);
@@ -218,7 +218,9 @@ INDIRECT_CALLABLE_DECLARE(int fib4_rule_action(struct fib_rule *rule,
struct fib_lookup_arg *arg));
INDIRECT_CALLABLE_DECLARE(bool fib6_rule_suppress(struct fib_rule *rule,
+ int flags,
struct fib_lookup_arg *arg));
INDIRECT_CALLABLE_DECLARE(bool fib4_rule_suppress(struct fib_rule *rule,
+ int flags,
struct fib_lookup_arg *arg));
#endif
diff --git a/include/net/ip6_fib.h b/include/net/ip6_fib.h
index c412dde4d67d..83b8070d1cc9 100644
--- a/include/net/ip6_fib.h
+++ b/include/net/ip6_fib.h
@@ -485,6 +485,7 @@ int fib6_nh_init(struct net *net, struct fib6_nh *fib6_nh,
struct fib6_config *cfg, gfp_t gfp_flags,
struct netlink_ext_ack *extack);
void fib6_nh_release(struct fib6_nh *fib6_nh);
+void fib6_nh_release_dsts(struct fib6_nh *fib6_nh);
int call_fib6_entry_notifiers(struct net *net,
enum fib_event_type event_type,
diff --git a/include/net/ip_fib.h b/include/net/ip_fib.h
index ab5348e57db1..3417ba2d27ad 100644
--- a/include/net/ip_fib.h
+++ b/include/net/ip_fib.h
@@ -438,7 +438,7 @@ int fib_validate_source(struct sk_buff *skb, __be32 src, __be32 dst,
#ifdef CONFIG_IP_ROUTE_CLASSID
static inline int fib_num_tclassid_users(struct net *net)
{
- return net->ipv4.fib_num_tclassid_users;
+ return atomic_read(&net->ipv4.fib_num_tclassid_users);
}
#else
static inline int fib_num_tclassid_users(struct net *net)
diff --git a/include/net/ipv6_stubs.h b/include/net/ipv6_stubs.h
index afbce90c4480..45e0339be6fa 100644
--- a/include/net/ipv6_stubs.h
+++ b/include/net/ipv6_stubs.h
@@ -47,6 +47,7 @@ struct ipv6_stub {
struct fib6_config *cfg, gfp_t gfp_flags,
struct netlink_ext_ack *extack);
void (*fib6_nh_release)(struct fib6_nh *fib6_nh);
+ void (*fib6_nh_release_dsts)(struct fib6_nh *fib6_nh);
void (*fib6_update_sernum)(struct net *net, struct fib6_info *rt);
int (*ip6_del_rt)(struct net *net, struct fib6_info *rt, bool skip_notify);
void (*fib6_rt_update)(struct net *net, struct fib6_info *rt,
diff --git a/include/net/netfilter/nf_conntrack.h b/include/net/netfilter/nf_conntrack.h
index cc663c68ddc4..d24b0a34c8f0 100644
--- a/include/net/netfilter/nf_conntrack.h
+++ b/include/net/netfilter/nf_conntrack.h
@@ -276,14 +276,14 @@ static inline bool nf_is_loopback_packet(const struct sk_buff *skb)
/* jiffies until ct expires, 0 if already expired */
static inline unsigned long nf_ct_expires(const struct nf_conn *ct)
{
- s32 timeout = ct->timeout - nfct_time_stamp;
+ s32 timeout = READ_ONCE(ct->timeout) - nfct_time_stamp;
return timeout > 0 ? timeout : 0;
}
static inline bool nf_ct_is_expired(const struct nf_conn *ct)
{
- return (__s32)(ct->timeout - nfct_time_stamp) <= 0;
+ return (__s32)(READ_ONCE(ct->timeout) - nfct_time_stamp) <= 0;
}
/* use after obtaining a reference count */
@@ -302,7 +302,7 @@ static inline bool nf_ct_should_gc(const struct nf_conn *ct)
static inline void nf_ct_offload_timeout(struct nf_conn *ct)
{
if (nf_ct_expires(ct) < NF_CT_DAY / 2)
- ct->timeout = nfct_time_stamp + NF_CT_DAY;
+ WRITE_ONCE(ct->timeout, nfct_time_stamp + NF_CT_DAY);
}
struct kernel_param;
diff --git a/include/net/netns/ipv4.h b/include/net/netns/ipv4.h
index 2f65701a43c9..6c5b2efc4f17 100644
--- a/include/net/netns/ipv4.h
+++ b/include/net/netns/ipv4.h
@@ -65,7 +65,7 @@ struct netns_ipv4 {
bool fib_has_custom_local_routes;
bool fib_offload_disabled;
#ifdef CONFIG_IP_ROUTE_CLASSID
- int fib_num_tclassid_users;
+ atomic_t fib_num_tclassid_users;
#endif
struct hlist_head *fib_table_hash;
struct sock *fibnl;
diff --git a/include/net/nfc/nci_core.h b/include/net/nfc/nci_core.h
index a964daedc17b..ea8595651c38 100644
--- a/include/net/nfc/nci_core.h
+++ b/include/net/nfc/nci_core.h
@@ -30,6 +30,7 @@ enum nci_flag {
NCI_UP,
NCI_DATA_EXCHANGE,
NCI_DATA_EXCHANGE_TO,
+ NCI_UNREG,
};
/* NCI device states */
diff --git a/include/net/nl802154.h b/include/net/nl802154.h
index ddcee128f5d9..145acb8f2509 100644
--- a/include/net/nl802154.h
+++ b/include/net/nl802154.h
@@ -19,6 +19,8 @@
*
*/
+#include <linux/types.h>
+
#define NL802154_GENL_NAME "nl802154"
enum nl802154_commands {
@@ -150,10 +152,9 @@ enum nl802154_attrs {
};
enum nl802154_iftype {
- /* for backwards compatibility TODO */
- NL802154_IFTYPE_UNSPEC = -1,
+ NL802154_IFTYPE_UNSPEC = (~(__u32)0),
- NL802154_IFTYPE_NODE,
+ NL802154_IFTYPE_NODE = 0,
NL802154_IFTYPE_MONITOR,
NL802154_IFTYPE_COORD,
diff --git a/include/net/page_pool.h b/include/net/page_pool.h
index 3855f069627f..a4082406a003 100644
--- a/include/net/page_pool.h
+++ b/include/net/page_pool.h
@@ -216,14 +216,24 @@ static inline void page_pool_recycle_direct(struct page_pool *pool,
page_pool_put_full_page(pool, page, true);
}
+#define PAGE_POOL_DMA_USE_PP_FRAG_COUNT \
+ (sizeof(dma_addr_t) > sizeof(unsigned long))
+
static inline dma_addr_t page_pool_get_dma_addr(struct page *page)
{
- return page->dma_addr;
+ dma_addr_t ret = page->dma_addr;
+
+ if (PAGE_POOL_DMA_USE_PP_FRAG_COUNT)
+ ret |= (dma_addr_t)page->dma_addr_upper << 16 << 16;
+
+ return ret;
}
static inline void page_pool_set_dma_addr(struct page *page, dma_addr_t addr)
{
page->dma_addr = addr;
+ if (PAGE_POOL_DMA_USE_PP_FRAG_COUNT)
+ page->dma_addr_upper = upper_32_bits(addr);
}
static inline void page_pool_set_frag_count(struct page *page, long nr)
diff --git a/include/net/pkt_sched.h b/include/net/pkt_sched.h
index bf79f3a890af..9e71691c491b 100644
--- a/include/net/pkt_sched.h
+++ b/include/net/pkt_sched.h
@@ -193,4 +193,20 @@ static inline void skb_txtime_consumed(struct sk_buff *skb)
skb->tstamp = ktime_set(0, 0);
}
+struct tc_skb_cb {
+ struct qdisc_skb_cb qdisc_cb;
+
+ u16 mru;
+ bool post_ct;
+ u16 zone; /* Only valid if post_ct = true */
+};
+
+static inline struct tc_skb_cb *tc_skb_cb(const struct sk_buff *skb)
+{
+ struct tc_skb_cb *cb = (struct tc_skb_cb *)skb->cb;
+
+ BUILD_BUG_ON(sizeof(*cb) > sizeof_field(struct sk_buff, cb));
+ return cb;
+}
+
#endif
diff --git a/include/net/sch_generic.h b/include/net/sch_generic.h
index 22179b2fda72..c70e6d2b2fdd 100644
--- a/include/net/sch_generic.h
+++ b/include/net/sch_generic.h
@@ -447,8 +447,6 @@ struct qdisc_skb_cb {
};
#define QDISC_CB_PRIV_LEN 20
unsigned char data[QDISC_CB_PRIV_LEN];
- u16 mru;
- bool post_ct;
};
typedef void tcf_chain_head_change_t(struct tcf_proto *tp_head, void *priv);
diff --git a/include/net/sctp/sctp.h b/include/net/sctp/sctp.h
index 189fdb9db162..3ae61ce2eabd 100644
--- a/include/net/sctp/sctp.h
+++ b/include/net/sctp/sctp.h
@@ -105,19 +105,18 @@ extern struct percpu_counter sctp_sockets_allocated;
int sctp_asconf_mgmt(struct sctp_sock *, struct sctp_sockaddr_entry *);
struct sk_buff *sctp_skb_recv_datagram(struct sock *, int, int, int *);
+typedef int (*sctp_callback_t)(struct sctp_endpoint *, struct sctp_transport *, void *);
void sctp_transport_walk_start(struct rhashtable_iter *iter);
void sctp_transport_walk_stop(struct rhashtable_iter *iter);
struct sctp_transport *sctp_transport_get_next(struct net *net,
struct rhashtable_iter *iter);
struct sctp_transport *sctp_transport_get_idx(struct net *net,
struct rhashtable_iter *iter, int pos);
-int sctp_transport_lookup_process(int (*cb)(struct sctp_transport *, void *),
- struct net *net,
+int sctp_transport_lookup_process(sctp_callback_t cb, struct net *net,
const union sctp_addr *laddr,
const union sctp_addr *paddr, void *p);
-int sctp_for_each_transport(int (*cb)(struct sctp_transport *, void *),
- int (*cb_done)(struct sctp_transport *, void *),
- struct net *net, int *pos, void *p);
+int sctp_transport_traverse_process(sctp_callback_t cb, sctp_callback_t cb_done,
+ struct net *net, int *pos, void *p);
int sctp_for_each_endpoint(int (*cb)(struct sctp_endpoint *, void *), void *p);
int sctp_get_sctp_info(struct sock *sk, struct sctp_association *asoc,
struct sctp_info *info);
diff --git a/include/net/sctp/structs.h b/include/net/sctp/structs.h
index 899c29c326ba..8dabd8800006 100644
--- a/include/net/sctp/structs.h
+++ b/include/net/sctp/structs.h
@@ -1355,6 +1355,7 @@ struct sctp_endpoint {
reconf_enable:1;
__u8 strreset_enable;
+ struct rcu_head rcu;
};
/* Recover the outter endpoint structure. */
@@ -1370,7 +1371,7 @@ static inline struct sctp_endpoint *sctp_ep(struct sctp_ep_common *base)
struct sctp_endpoint *sctp_endpoint_new(struct sock *, gfp_t);
void sctp_endpoint_free(struct sctp_endpoint *);
void sctp_endpoint_put(struct sctp_endpoint *);
-void sctp_endpoint_hold(struct sctp_endpoint *);
+int sctp_endpoint_hold(struct sctp_endpoint *ep);
void sctp_endpoint_add_asoc(struct sctp_endpoint *, struct sctp_association *);
struct sctp_association *sctp_endpoint_lookup_assoc(
const struct sctp_endpoint *ep,
diff --git a/include/net/seg6.h b/include/net/seg6.h
index 9d19c15e8545..af668f17b398 100644
--- a/include/net/seg6.h
+++ b/include/net/seg6.h
@@ -58,9 +58,30 @@ extern int seg6_local_init(void);
extern void seg6_local_exit(void);
extern bool seg6_validate_srh(struct ipv6_sr_hdr *srh, int len, bool reduced);
+extern struct ipv6_sr_hdr *seg6_get_srh(struct sk_buff *skb, int flags);
+extern void seg6_icmp_srh(struct sk_buff *skb, struct inet6_skb_parm *opt);
extern int seg6_do_srh_encap(struct sk_buff *skb, struct ipv6_sr_hdr *osrh,
int proto);
extern int seg6_do_srh_inline(struct sk_buff *skb, struct ipv6_sr_hdr *osrh);
extern int seg6_lookup_nexthop(struct sk_buff *skb, struct in6_addr *nhaddr,
u32 tbl_id);
+
+/* If the packet which invoked an ICMP error contains an SRH return
+ * the true destination address from within the SRH, otherwise use the
+ * destination address in the IP header.
+ */
+static inline const struct in6_addr *seg6_get_daddr(struct sk_buff *skb,
+ struct inet6_skb_parm *opt)
+{
+ struct ipv6_sr_hdr *srh;
+
+ if (opt->flags & IP6SKB_SEG6) {
+ srh = (struct ipv6_sr_hdr *)(skb->data + opt->srhoff);
+ return &srh->segments[0];
+ }
+
+ return NULL;
+}
+
+
#endif
diff --git a/include/net/sock.h b/include/net/sock.h
index b32906e1ab55..d47e9658da28 100644
--- a/include/net/sock.h
+++ b/include/net/sock.h
@@ -431,7 +431,7 @@ struct sock {
#ifdef CONFIG_XFRM
struct xfrm_policy __rcu *sk_policy[2];
#endif
- struct dst_entry *sk_rx_dst;
+ struct dst_entry __rcu *sk_rx_dst;
int sk_rx_dst_ifindex;
u32 sk_rx_dst_cookie;
@@ -1913,18 +1913,31 @@ static inline int sk_tx_queue_get(const struct sock *sk)
return -1;
}
-static inline void sk_rx_queue_set(struct sock *sk, const struct sk_buff *skb)
+static inline void __sk_rx_queue_set(struct sock *sk,
+ const struct sk_buff *skb,
+ bool force_set)
{
#ifdef CONFIG_SOCK_RX_QUEUE_MAPPING
if (skb_rx_queue_recorded(skb)) {
u16 rx_queue = skb_get_rx_queue(skb);
- if (unlikely(READ_ONCE(sk->sk_rx_queue_mapping) != rx_queue))
+ if (force_set ||
+ unlikely(READ_ONCE(sk->sk_rx_queue_mapping) != rx_queue))
WRITE_ONCE(sk->sk_rx_queue_mapping, rx_queue);
}
#endif
}
+static inline void sk_rx_queue_set(struct sock *sk, const struct sk_buff *skb)
+{
+ __sk_rx_queue_set(sk, skb, true);
+}
+
+static inline void sk_rx_queue_update(struct sock *sk, const struct sk_buff *skb)
+{
+ __sk_rx_queue_set(sk, skb, false);
+}
+
static inline void sk_rx_queue_clear(struct sock *sk)
{
#ifdef CONFIG_SOCK_RX_QUEUE_MAPPING
@@ -2430,19 +2443,22 @@ static inline void sk_stream_moderate_sndbuf(struct sock *sk)
* @sk: socket
*
* Use the per task page_frag instead of the per socket one for
- * optimization when we know that we're in the normal context and owns
+ * optimization when we know that we're in process context and own
* everything that's associated with %current.
*
- * gfpflags_allow_blocking() isn't enough here as direct reclaim may nest
- * inside other socket operations and end up recursing into sk_page_frag()
- * while it's already in use.
+ * Both direct reclaim and page faults can nest inside other
+ * socket operations and end up recursing into sk_page_frag()
+ * while it's already in use: explicitly avoid task page_frag
+ * usage if the caller is potentially doing any of them.
+ * This assumes that page fault handlers use the GFP_NOFS flags.
*
* Return: a per task page_frag if context allows that,
* otherwise a per socket one.
*/
static inline struct page_frag *sk_page_frag(struct sock *sk)
{
- if (gfpflags_normal_context(sk->sk_allocation))
+ if ((sk->sk_allocation & (__GFP_DIRECT_RECLAIM | __GFP_MEMALLOC | __GFP_FS)) ==
+ (__GFP_DIRECT_RECLAIM | __GFP_FS))
return &current->task_frag;
return &sk->sk_frag;
generated by cgit (git 2.34.1) at 2024-05-01 09:10:19 +0000