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-rw-r--r--include/net/act_api.h2
-rw-r--r--include/net/cfg80211.h3
-rw-r--r--include/net/dropreason-core.h6
-rw-r--r--include/net/inet_sock.h5
-rw-r--r--include/net/ip.h8
-rw-r--r--include/net/ip6_fib.h4
-rw-r--r--include/net/ip_tunnels.h11
-rw-r--r--include/net/mana/mana.h46
-rw-r--r--include/net/netdev_rx_queue.h4
-rw-r--r--include/net/netlink.h16
-rw-r--r--include/net/netns/ipv4.h50
-rw-r--r--include/net/netns/smc.h2
-rw-r--r--include/net/page_pool/helpers.h68
-rw-r--r--include/net/page_pool/types.h49
-rw-r--r--include/net/tcp.h22
-rw-r--r--include/net/tcp_ao.h6
-rw-r--r--include/net/tcp_states.h2
-rw-r--r--include/net/vxlan.h33
-rw-r--r--include/net/xdp_sock.h111
-rw-r--r--include/net/xdp_sock_drv.h34
-rw-r--r--include/net/xsk_buff_pool.h8
21 files changed, 376 insertions, 114 deletions
diff --git a/include/net/act_api.h b/include/net/act_api.h
index 4ae0580b63ca..ea13e1e4a7c2 100644
--- a/include/net/act_api.h
+++ b/include/net/act_api.h
@@ -191,7 +191,7 @@ int tcf_idr_create_from_flags(struct tc_action_net *tn, u32 index,
struct nlattr *est, struct tc_action **a,
const struct tc_action_ops *ops, int bind,
u32 flags);
-void tcf_idr_insert_many(struct tc_action *actions[]);
+void tcf_idr_insert_many(struct tc_action *actions[], int init_res[]);
void tcf_idr_cleanup(struct tc_action_net *tn, u32 index);
int tcf_idr_check_alloc(struct tc_action_net *tn, u32 *index,
struct tc_action **a, int bind);
diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h
index 4ecfb06c413d..1b3345129a95 100644
--- a/include/net/cfg80211.h
+++ b/include/net/cfg80211.h
@@ -2608,6 +2608,8 @@ struct cfg80211_scan_6ghz_params {
* @n_6ghz_params: number of 6 GHz params
* @scan_6ghz_params: 6 GHz params
* @bssid: BSSID to scan for (most commonly, the wildcard BSSID)
+ * @tsf_report_link_id: for MLO, indicates the link ID of the BSS that should be
+ * used for TSF reporting. Can be set to -1 to indicate no preference.
*/
struct cfg80211_scan_request {
struct cfg80211_ssid *ssids;
@@ -2636,6 +2638,7 @@ struct cfg80211_scan_request {
bool scan_6ghz;
u32 n_6ghz_params;
struct cfg80211_scan_6ghz_params *scan_6ghz_params;
+ s8 tsf_report_link_id;
/* keep last */
struct ieee80211_channel *channels[] __counted_by(n_channels);
diff --git a/include/net/dropreason-core.h b/include/net/dropreason-core.h
index 3c70ad53a49c..278e4c7d465c 100644
--- a/include/net/dropreason-core.h
+++ b/include/net/dropreason-core.h
@@ -86,6 +86,7 @@
FN(IPV6_NDISC_NS_OTHERHOST) \
FN(QUEUE_PURGE) \
FN(TC_ERROR) \
+ FN(PACKET_SOCK_ERROR) \
FNe(MAX)
/**
@@ -379,6 +380,11 @@ enum skb_drop_reason {
/** @SKB_DROP_REASON_TC_ERROR: generic internal tc error. */
SKB_DROP_REASON_TC_ERROR,
/**
+ * @SKB_DROP_REASON_PACKET_SOCK_ERROR: generic packet socket errors
+ * after its filter matches an incoming packet.
+ */
+ SKB_DROP_REASON_PACKET_SOCK_ERROR,
+ /**
* @SKB_DROP_REASON_MAX: the maximum of core drop reasons, which
* shouldn't be used as a real 'reason' - only for tracing code gen
*/
diff --git a/include/net/inet_sock.h b/include/net/inet_sock.h
index 74db6d97cae1..aa86453f6b9b 100644
--- a/include/net/inet_sock.h
+++ b/include/net/inet_sock.h
@@ -234,10 +234,7 @@ struct inet_sock {
int uc_index;
int mc_index;
__be32 mc_addr;
- struct {
- __u16 lo;
- __u16 hi;
- } local_port_range;
+ u32 local_port_range; /* high << 16 | low */
struct ip_mc_socklist __rcu *mc_list;
struct inet_cork_full cork;
diff --git a/include/net/ip.h b/include/net/ip.h
index 1fc4c8d69e33..b31be912489a 100644
--- a/include/net/ip.h
+++ b/include/net/ip.h
@@ -349,7 +349,13 @@ static inline u64 snmp_fold_field64(void __percpu *mib, int offt, size_t syncp_o
} \
}
-void inet_get_local_port_range(const struct net *net, int *low, int *high);
+static inline void inet_get_local_port_range(const struct net *net, int *low, int *high)
+{
+ u32 range = READ_ONCE(net->ipv4.ip_local_ports.range);
+
+ *low = range & 0xffff;
+ *high = range >> 16;
+}
void inet_sk_get_local_port_range(const struct sock *sk, int *low, int *high);
#ifdef CONFIG_SYSCTL
diff --git a/include/net/ip6_fib.h b/include/net/ip6_fib.h
index 1ba9f4ddf2f6..95ed495c3a40 100644
--- a/include/net/ip6_fib.h
+++ b/include/net/ip6_fib.h
@@ -328,8 +328,10 @@ static inline bool fib6_info_hold_safe(struct fib6_info *f6i)
static inline void fib6_info_release(struct fib6_info *f6i)
{
- if (f6i && refcount_dec_and_test(&f6i->fib6_ref))
+ if (f6i && refcount_dec_and_test(&f6i->fib6_ref)) {
+ DEBUG_NET_WARN_ON_ONCE(!hlist_unhashed(&f6i->gc_link));
call_rcu(&f6i->rcu, fib6_info_destroy_rcu);
+ }
}
enum fib6_walk_state {
diff --git a/include/net/ip_tunnels.h b/include/net/ip_tunnels.h
index f346b4efbc30..2d746f4c9a0a 100644
--- a/include/net/ip_tunnels.h
+++ b/include/net/ip_tunnels.h
@@ -416,6 +416,17 @@ static inline u8 ip_tunnel_get_dsfield(const struct iphdr *iph,
return 0;
}
+static inline __be32 ip_tunnel_get_flowlabel(const struct iphdr *iph,
+ const struct sk_buff *skb)
+{
+ __be16 payload_protocol = skb_protocol(skb, true);
+
+ if (payload_protocol == htons(ETH_P_IPV6))
+ return ip6_flowlabel((const struct ipv6hdr *)iph);
+ else
+ return 0;
+}
+
static inline u8 ip_tunnel_get_ttl(const struct iphdr *iph,
const struct sk_buff *skb)
{
diff --git a/include/net/mana/mana.h b/include/net/mana/mana.h
index 6e3e9c1363db..76147feb0d10 100644
--- a/include/net/mana/mana.h
+++ b/include/net/mana/mana.h
@@ -353,6 +353,25 @@ struct mana_tx_qp {
struct mana_ethtool_stats {
u64 stop_queue;
u64 wake_queue;
+ u64 hc_rx_discards_no_wqe;
+ u64 hc_rx_err_vport_disabled;
+ u64 hc_rx_bytes;
+ u64 hc_rx_ucast_pkts;
+ u64 hc_rx_ucast_bytes;
+ u64 hc_rx_bcast_pkts;
+ u64 hc_rx_bcast_bytes;
+ u64 hc_rx_mcast_pkts;
+ u64 hc_rx_mcast_bytes;
+ u64 hc_tx_err_gf_disabled;
+ u64 hc_tx_err_vport_disabled;
+ u64 hc_tx_err_inval_vportoffset_pkt;
+ u64 hc_tx_err_vlan_enforcement;
+ u64 hc_tx_err_eth_type_enforcement;
+ u64 hc_tx_err_sa_enforcement;
+ u64 hc_tx_err_sqpdid_enforcement;
+ u64 hc_tx_err_cqpdid_enforcement;
+ u64 hc_tx_err_mtu_violation;
+ u64 hc_tx_err_inval_oob;
u64 hc_tx_bytes;
u64 hc_tx_ucast_pkts;
u64 hc_tx_ucast_bytes;
@@ -360,6 +379,7 @@ struct mana_ethtool_stats {
u64 hc_tx_bcast_bytes;
u64 hc_tx_mcast_pkts;
u64 hc_tx_mcast_bytes;
+ u64 hc_tx_err_gdma;
u64 tx_cqe_err;
u64 tx_cqe_unknown_type;
u64 rx_coalesced_err;
@@ -602,8 +622,8 @@ struct mana_query_gf_stat_resp {
struct gdma_resp_hdr hdr;
u64 reported_stats;
/* rx errors/discards */
- u64 discard_rx_nowqe;
- u64 err_rx_vport_disabled;
+ u64 rx_discards_nowqe;
+ u64 rx_err_vport_disabled;
/* rx bytes/packets */
u64 hc_rx_bytes;
u64 hc_rx_ucast_pkts;
@@ -613,16 +633,16 @@ struct mana_query_gf_stat_resp {
u64 hc_rx_mcast_pkts;
u64 hc_rx_mcast_bytes;
/* tx errors */
- u64 err_tx_gf_disabled;
- u64 err_tx_vport_disabled;
- u64 err_tx_inval_vport_offset_pkt;
- u64 err_tx_vlan_enforcement;
- u64 err_tx_ethtype_enforcement;
- u64 err_tx_SA_enforecement;
- u64 err_tx_SQPDID_enforcement;
- u64 err_tx_CQPDID_enforcement;
- u64 err_tx_mtu_violation;
- u64 err_tx_inval_oob;
+ u64 tx_err_gf_disabled;
+ u64 tx_err_vport_disabled;
+ u64 tx_err_inval_vport_offset_pkt;
+ u64 tx_err_vlan_enforcement;
+ u64 tx_err_ethtype_enforcement;
+ u64 tx_err_SA_enforcement;
+ u64 tx_err_SQPDID_enforcement;
+ u64 tx_err_CQPDID_enforcement;
+ u64 tx_err_mtu_violation;
+ u64 tx_err_inval_oob;
/* tx bytes/packets */
u64 hc_tx_bytes;
u64 hc_tx_ucast_pkts;
@@ -632,7 +652,7 @@ struct mana_query_gf_stat_resp {
u64 hc_tx_mcast_pkts;
u64 hc_tx_mcast_bytes;
/* tx error */
- u64 err_tx_gdma;
+ u64 tx_err_gdma;
}; /* HW DATA */
/* Configure vPort Rx Steering */
diff --git a/include/net/netdev_rx_queue.h b/include/net/netdev_rx_queue.h
index cdcafb30d437..aa1716fb0e53 100644
--- a/include/net/netdev_rx_queue.h
+++ b/include/net/netdev_rx_queue.h
@@ -21,6 +21,10 @@ struct netdev_rx_queue {
#ifdef CONFIG_XDP_SOCKETS
struct xsk_buff_pool *pool;
#endif
+ /* NAPI instance for the queue
+ * Readers and writers must hold RTNL
+ */
+ struct napi_struct *napi;
} ____cacheline_aligned_in_smp;
/*
diff --git a/include/net/netlink.h b/include/net/netlink.h
index 83bdf787aeee..28039e57070a 100644
--- a/include/net/netlink.h
+++ b/include/net/netlink.h
@@ -1011,6 +1011,20 @@ static inline struct sk_buff *nlmsg_new(size_t payload, gfp_t flags)
}
/**
+ * nlmsg_new_large - Allocate a new netlink message with non-contiguous
+ * physical memory
+ * @payload: size of the message payload
+ *
+ * The allocated skb is unable to have frag page for shinfo->frags*,
+ * as the NULL setting for skb->head in netlink_skb_destructor() will
+ * bypass most of the handling in skb_release_data()
+ */
+static inline struct sk_buff *nlmsg_new_large(size_t payload)
+{
+ return netlink_alloc_large_skb(nlmsg_total_size(payload), 0);
+}
+
+/**
* nlmsg_end - Finalize a netlink message
* @skb: socket buffer the message is stored in
* @nlh: netlink message header
@@ -1200,7 +1214,7 @@ static inline void *nla_data(const struct nlattr *nla)
* nla_len - length of payload
* @nla: netlink attribute
*/
-static inline int nla_len(const struct nlattr *nla)
+static inline u16 nla_len(const struct nlattr *nla)
{
return nla->nla_len - NLA_HDRLEN;
}
diff --git a/include/net/netns/ipv4.h b/include/net/netns/ipv4.h
index 73f43f699199..c356c458b340 100644
--- a/include/net/netns/ipv4.h
+++ b/include/net/netns/ipv4.h
@@ -19,8 +19,7 @@ struct hlist_head;
struct fib_table;
struct sock;
struct local_ports {
- seqlock_t lock;
- int range[2];
+ u32 range; /* high << 16 | low */
bool warned;
};
@@ -42,6 +41,38 @@ struct inet_timewait_death_row {
struct tcp_fastopen_context;
struct netns_ipv4 {
+ /* Cacheline organization can be found documented in
+ * Documentation/networking/net_cachelines/netns_ipv4_sysctl.rst.
+ * Please update the document when adding new fields.
+ */
+
+ /* TX readonly hotpath cache lines */
+ __cacheline_group_begin(netns_ipv4_read_tx);
+ u8 sysctl_tcp_early_retrans;
+ u8 sysctl_tcp_tso_win_divisor;
+ u8 sysctl_tcp_tso_rtt_log;
+ u8 sysctl_tcp_autocorking;
+ int sysctl_tcp_min_snd_mss;
+ unsigned int sysctl_tcp_notsent_lowat;
+ int sysctl_tcp_limit_output_bytes;
+ int sysctl_tcp_min_rtt_wlen;
+ int sysctl_tcp_wmem[3];
+ u8 sysctl_ip_fwd_use_pmtu;
+ __cacheline_group_end(netns_ipv4_read_tx);
+
+ /* TXRX readonly hotpath cache lines */
+ __cacheline_group_begin(netns_ipv4_read_txrx);
+ u8 sysctl_tcp_moderate_rcvbuf;
+ __cacheline_group_end(netns_ipv4_read_txrx);
+
+ /* RX readonly hotpath cache line */
+ __cacheline_group_begin(netns_ipv4_read_rx);
+ u8 sysctl_ip_early_demux;
+ u8 sysctl_tcp_early_demux;
+ int sysctl_tcp_reordering;
+ int sysctl_tcp_rmem[3];
+ __cacheline_group_end(netns_ipv4_read_rx);
+
struct inet_timewait_death_row tcp_death_row;
struct udp_table *udp_table;
@@ -96,17 +127,14 @@ struct netns_ipv4 {
u8 sysctl_ip_default_ttl;
u8 sysctl_ip_no_pmtu_disc;
- u8 sysctl_ip_fwd_use_pmtu;
u8 sysctl_ip_fwd_update_priority;
u8 sysctl_ip_nonlocal_bind;
u8 sysctl_ip_autobind_reuse;
/* Shall we try to damage output packets if routing dev changes? */
u8 sysctl_ip_dynaddr;
- u8 sysctl_ip_early_demux;
#ifdef CONFIG_NET_L3_MASTER_DEV
u8 sysctl_raw_l3mdev_accept;
#endif
- u8 sysctl_tcp_early_demux;
u8 sysctl_udp_early_demux;
u8 sysctl_nexthop_compat_mode;
@@ -119,7 +147,6 @@ struct netns_ipv4 {
u8 sysctl_tcp_mtu_probing;
int sysctl_tcp_mtu_probe_floor;
int sysctl_tcp_base_mss;
- int sysctl_tcp_min_snd_mss;
int sysctl_tcp_probe_threshold;
u32 sysctl_tcp_probe_interval;
@@ -135,17 +162,14 @@ struct netns_ipv4 {
u8 sysctl_tcp_backlog_ack_defer;
u8 sysctl_tcp_pingpong_thresh;
- int sysctl_tcp_reordering;
u8 sysctl_tcp_retries1;
u8 sysctl_tcp_retries2;
u8 sysctl_tcp_orphan_retries;
u8 sysctl_tcp_tw_reuse;
int sysctl_tcp_fin_timeout;
- unsigned int sysctl_tcp_notsent_lowat;
u8 sysctl_tcp_sack;
u8 sysctl_tcp_window_scaling;
u8 sysctl_tcp_timestamps;
- u8 sysctl_tcp_early_retrans;
u8 sysctl_tcp_recovery;
u8 sysctl_tcp_thin_linear_timeouts;
u8 sysctl_tcp_slow_start_after_idle;
@@ -161,21 +185,13 @@ struct netns_ipv4 {
u8 sysctl_tcp_frto;
u8 sysctl_tcp_nometrics_save;
u8 sysctl_tcp_no_ssthresh_metrics_save;
- u8 sysctl_tcp_moderate_rcvbuf;
- u8 sysctl_tcp_tso_win_divisor;
u8 sysctl_tcp_workaround_signed_windows;
- int sysctl_tcp_limit_output_bytes;
int sysctl_tcp_challenge_ack_limit;
- int sysctl_tcp_min_rtt_wlen;
u8 sysctl_tcp_min_tso_segs;
- u8 sysctl_tcp_tso_rtt_log;
- u8 sysctl_tcp_autocorking;
u8 sysctl_tcp_reflect_tos;
int sysctl_tcp_invalid_ratelimit;
int sysctl_tcp_pacing_ss_ratio;
int sysctl_tcp_pacing_ca_ratio;
- int sysctl_tcp_wmem[3];
- int sysctl_tcp_rmem[3];
unsigned int sysctl_tcp_child_ehash_entries;
unsigned long sysctl_tcp_comp_sack_delay_ns;
unsigned long sysctl_tcp_comp_sack_slack_ns;
diff --git a/include/net/netns/smc.h b/include/net/netns/smc.h
index 582212ada3ba..fc752a50f91b 100644
--- a/include/net/netns/smc.h
+++ b/include/net/netns/smc.h
@@ -22,5 +22,7 @@ struct netns_smc {
int sysctl_smcr_testlink_time;
int sysctl_wmem;
int sysctl_rmem;
+ int sysctl_max_links_per_lgr;
+ int sysctl_max_conns_per_lgr;
};
#endif
diff --git a/include/net/page_pool/helpers.h b/include/net/page_pool/helpers.h
index 4ebd544ae977..841e0a930bd7 100644
--- a/include/net/page_pool/helpers.h
+++ b/include/net/page_pool/helpers.h
@@ -29,7 +29,7 @@
* page allocated from page pool. Page splitting enables memory saving and thus
* avoids TLB/cache miss for data access, but there also is some cost to
* implement page splitting, mainly some cache line dirtying/bouncing for
- * 'struct page' and atomic operation for page->pp_frag_count.
+ * 'struct page' and atomic operation for page->pp_ref_count.
*
* The API keeps track of in-flight pages, in order to let API users know when
* it is safe to free a page_pool object, the API users must call
@@ -55,16 +55,12 @@
#include <net/page_pool/types.h>
#ifdef CONFIG_PAGE_POOL_STATS
+/* Deprecated driver-facing API, use netlink instead */
int page_pool_ethtool_stats_get_count(void);
u8 *page_pool_ethtool_stats_get_strings(u8 *data);
u64 *page_pool_ethtool_stats_get(u64 *data, void *stats);
-/*
- * Drivers that wish to harvest page pool stats and report them to users
- * (perhaps via ethtool, debugfs, or another mechanism) can allocate a
- * struct page_pool_stats call page_pool_get_stats to get stats for the specified pool.
- */
-bool page_pool_get_stats(struct page_pool *pool,
+bool page_pool_get_stats(const struct page_pool *pool,
struct page_pool_stats *stats);
#else
static inline int page_pool_ethtool_stats_get_count(void)
@@ -214,69 +210,77 @@ inline enum dma_data_direction page_pool_get_dma_dir(struct page_pool *pool)
return pool->p.dma_dir;
}
-/* pp_frag_count represents the number of writers who can update the page
- * either by updating skb->data or via DMA mappings for the device.
- * We can't rely on the page refcnt for that as we don't know who might be
- * holding page references and we can't reliably destroy or sync DMA mappings
- * of the fragments.
+/**
+ * page_pool_fragment_page() - split a fresh page into fragments
+ * @page: page to split
+ * @nr: references to set
+ *
+ * pp_ref_count represents the number of outstanding references to the page,
+ * which will be freed using page_pool APIs (rather than page allocator APIs
+ * like put_page()). Such references are usually held by page_pool-aware
+ * objects like skbs marked for page pool recycling.
*
- * When pp_frag_count reaches 0 we can either recycle the page if the page
- * refcnt is 1 or return it back to the memory allocator and destroy any
- * mappings we have.
+ * This helper allows the caller to take (set) multiple references to a
+ * freshly allocated page. The page must be freshly allocated (have a
+ * pp_ref_count of 1). This is commonly done by drivers and
+ * "fragment allocators" to save atomic operations - either when they know
+ * upfront how many references they will need; or to take MAX references and
+ * return the unused ones with a single atomic dec(), instead of performing
+ * multiple atomic inc() operations.
*/
static inline void page_pool_fragment_page(struct page *page, long nr)
{
- atomic_long_set(&page->pp_frag_count, nr);
+ atomic_long_set(&page->pp_ref_count, nr);
}
-static inline long page_pool_defrag_page(struct page *page, long nr)
+static inline long page_pool_unref_page(struct page *page, long nr)
{
long ret;
- /* If nr == pp_frag_count then we have cleared all remaining
+ /* If nr == pp_ref_count then we have cleared all remaining
* references to the page:
* 1. 'n == 1': no need to actually overwrite it.
* 2. 'n != 1': overwrite it with one, which is the rare case
- * for pp_frag_count draining.
+ * for pp_ref_count draining.
*
* The main advantage to doing this is that not only we avoid a atomic
* update, as an atomic_read is generally a much cheaper operation than
* an atomic update, especially when dealing with a page that may be
- * partitioned into only 2 or 3 pieces; but also unify the pp_frag_count
+ * referenced by only 2 or 3 users; but also unify the pp_ref_count
* handling by ensuring all pages have partitioned into only 1 piece
* initially, and only overwrite it when the page is partitioned into
* more than one piece.
*/
- if (atomic_long_read(&page->pp_frag_count) == nr) {
+ if (atomic_long_read(&page->pp_ref_count) == nr) {
/* As we have ensured nr is always one for constant case using
* the BUILD_BUG_ON(), only need to handle the non-constant case
- * here for pp_frag_count draining, which is a rare case.
+ * here for pp_ref_count draining, which is a rare case.
*/
BUILD_BUG_ON(__builtin_constant_p(nr) && nr != 1);
if (!__builtin_constant_p(nr))
- atomic_long_set(&page->pp_frag_count, 1);
+ atomic_long_set(&page->pp_ref_count, 1);
return 0;
}
- ret = atomic_long_sub_return(nr, &page->pp_frag_count);
+ ret = atomic_long_sub_return(nr, &page->pp_ref_count);
WARN_ON(ret < 0);
- /* We are the last user here too, reset pp_frag_count back to 1 to
+ /* We are the last user here too, reset pp_ref_count back to 1 to
* ensure all pages have been partitioned into 1 piece initially,
* this should be the rare case when the last two fragment users call
- * page_pool_defrag_page() currently.
+ * page_pool_unref_page() currently.
*/
if (unlikely(!ret))
- atomic_long_set(&page->pp_frag_count, 1);
+ atomic_long_set(&page->pp_ref_count, 1);
return ret;
}
-static inline bool page_pool_is_last_frag(struct page *page)
+static inline bool page_pool_is_last_ref(struct page *page)
{
- /* If page_pool_defrag_page() returns 0, we were the last user */
- return page_pool_defrag_page(page, 1) == 0;
+ /* If page_pool_unref_page() returns 0, we were the last user */
+ return page_pool_unref_page(page, 1) == 0;
}
/**
@@ -301,10 +305,10 @@ static inline void page_pool_put_page(struct page_pool *pool,
* allow registering MEM_TYPE_PAGE_POOL, but shield linker.
*/
#ifdef CONFIG_PAGE_POOL
- if (!page_pool_is_last_frag(page))
+ if (!page_pool_is_last_ref(page))
return;
- page_pool_put_defragged_page(pool, page, dma_sync_size, allow_direct);
+ page_pool_put_unrefed_page(pool, page, dma_sync_size, allow_direct);
#endif
}
diff --git a/include/net/page_pool/types.h b/include/net/page_pool/types.h
index 6fc5134095ed..76481c465375 100644
--- a/include/net/page_pool/types.h
+++ b/include/net/page_pool/types.h
@@ -5,6 +5,7 @@
#include <linux/dma-direction.h>
#include <linux/ptr_ring.h>
+#include <linux/types.h>
#define PP_FLAG_DMA_MAP BIT(0) /* Should page_pool do the DMA
* map/unmap
@@ -48,24 +49,30 @@ struct pp_alloc_cache {
* @pool_size: size of the ptr_ring
* @nid: NUMA node id to allocate from pages from
* @dev: device, for DMA pre-mapping purposes
+ * @netdev: netdev this pool will serve (leave as NULL if none or multiple)
* @napi: NAPI which is the sole consumer of pages, otherwise NULL
* @dma_dir: DMA mapping direction
* @max_len: max DMA sync memory size for PP_FLAG_DMA_SYNC_DEV
* @offset: DMA sync address offset for PP_FLAG_DMA_SYNC_DEV
*/
struct page_pool_params {
- unsigned int flags;
- unsigned int order;
- unsigned int pool_size;
- int nid;
- struct device *dev;
- struct napi_struct *napi;
- enum dma_data_direction dma_dir;
- unsigned int max_len;
- unsigned int offset;
+ struct_group_tagged(page_pool_params_fast, fast,
+ unsigned int flags;
+ unsigned int order;
+ unsigned int pool_size;
+ int nid;
+ struct device *dev;
+ struct napi_struct *napi;
+ enum dma_data_direction dma_dir;
+ unsigned int max_len;
+ unsigned int offset;
+ );
+ struct_group_tagged(page_pool_params_slow, slow,
+ struct net_device *netdev;
/* private: used by test code only */
- void (*init_callback)(struct page *page, void *arg);
- void *init_arg;
+ void (*init_callback)(struct page *page, void *arg);
+ void *init_arg;
+ );
};
#ifdef CONFIG_PAGE_POOL_STATS
@@ -119,7 +126,9 @@ struct page_pool_stats {
#endif
struct page_pool {
- struct page_pool_params p;
+ struct page_pool_params_fast p;
+
+ bool has_init_callback;
long frag_users;
struct page *frag_page;
@@ -178,6 +187,16 @@ struct page_pool {
refcount_t user_cnt;
u64 destroy_cnt;
+
+ /* Slow/Control-path information follows */
+ struct page_pool_params_slow slow;
+ /* User-facing fields, protected by page_pools_lock */
+ struct {
+ struct hlist_node list;
+ u64 detach_time;
+ u32 napi_id;
+ u32 id;
+ } user;
};
struct page *page_pool_alloc_pages(struct page_pool *pool, gfp_t gfp);
@@ -215,9 +234,9 @@ static inline void page_pool_put_page_bulk(struct page_pool *pool, void **data,
}
#endif
-void page_pool_put_defragged_page(struct page_pool *pool, struct page *page,
- unsigned int dma_sync_size,
- bool allow_direct);
+void page_pool_put_unrefed_page(struct page_pool *pool, struct page *page,
+ unsigned int dma_sync_size,
+ bool allow_direct);
static inline bool is_page_pool_compiled_in(void)
{
diff --git a/include/net/tcp.h b/include/net/tcp.h
index 144ba48bb07b..f5ca4abaee8b 100644
--- a/include/net/tcp.h
+++ b/include/net/tcp.h
@@ -490,13 +490,14 @@ void inet_sk_rx_dst_set(struct sock *sk, const struct sk_buff *skb);
/* From syncookies.c */
struct sock *tcp_get_cookie_sock(struct sock *sk, struct sk_buff *skb,
struct request_sock *req,
- struct dst_entry *dst, u32 tsoff);
-int __cookie_v4_check(const struct iphdr *iph, const struct tcphdr *th,
- u32 cookie);
+ struct dst_entry *dst);
+int __cookie_v4_check(const struct iphdr *iph, const struct tcphdr *th);
struct sock *cookie_v4_check(struct sock *sk, struct sk_buff *skb);
struct request_sock *cookie_tcp_reqsk_alloc(const struct request_sock_ops *ops,
- const struct tcp_request_sock_ops *af_ops,
- struct sock *sk, struct sk_buff *skb);
+ struct sock *sk, struct sk_buff *skb,
+ struct tcp_options_received *tcp_opt,
+ int mss, u32 tsoff);
+
#ifdef CONFIG_SYN_COOKIES
/* Syncookies use a monotonic timer which increments every 60 seconds.
@@ -582,12 +583,15 @@ __u32 cookie_v4_init_sequence(const struct sk_buff *skb, __u16 *mss);
u64 cookie_init_timestamp(struct request_sock *req, u64 now);
bool cookie_timestamp_decode(const struct net *net,
struct tcp_options_received *opt);
-bool cookie_ecn_ok(const struct tcp_options_received *opt,
- const struct net *net, const struct dst_entry *dst);
+
+static inline bool cookie_ecn_ok(const struct net *net, const struct dst_entry *dst)
+{
+ return READ_ONCE(net->ipv4.sysctl_tcp_ecn) ||
+ dst_feature(dst, RTAX_FEATURE_ECN);
+}
/* From net/ipv6/syncookies.c */
-int __cookie_v6_check(const struct ipv6hdr *iph, const struct tcphdr *th,
- u32 cookie);
+int __cookie_v6_check(const struct ipv6hdr *iph, const struct tcphdr *th);
struct sock *cookie_v6_check(struct sock *sk, struct sk_buff *skb);
u32 __cookie_v6_init_sequence(const struct ipv6hdr *iph,
diff --git a/include/net/tcp_ao.h b/include/net/tcp_ao.h
index 647781080613..0f2dcc9e8d46 100644
--- a/include/net/tcp_ao.h
+++ b/include/net/tcp_ao.h
@@ -271,8 +271,7 @@ void tcp_ao_established(struct sock *sk);
void tcp_ao_finish_connect(struct sock *sk, struct sk_buff *skb);
void tcp_ao_connect_init(struct sock *sk);
void tcp_ao_syncookie(struct sock *sk, const struct sk_buff *skb,
- struct tcp_request_sock *treq,
- unsigned short int family, int l3index);
+ struct request_sock *req, unsigned short int family);
#else /* CONFIG_TCP_AO */
static inline int tcp_ao_transmit_skb(struct sock *sk, struct sk_buff *skb,
@@ -283,8 +282,7 @@ static inline int tcp_ao_transmit_skb(struct sock *sk, struct sk_buff *skb,
}
static inline void tcp_ao_syncookie(struct sock *sk, const struct sk_buff *skb,
- struct tcp_request_sock *treq,
- unsigned short int family, int l3index)
+ struct request_sock *req, unsigned short int family)
{
}
diff --git a/include/net/tcp_states.h b/include/net/tcp_states.h
index cc00118acca1..d60e8148ff4c 100644
--- a/include/net/tcp_states.h
+++ b/include/net/tcp_states.h
@@ -22,6 +22,7 @@ enum {
TCP_LISTEN,
TCP_CLOSING, /* Now a valid state */
TCP_NEW_SYN_RECV,
+ TCP_BOUND_INACTIVE, /* Pseudo-state for inet_diag */
TCP_MAX_STATES /* Leave at the end! */
};
@@ -43,6 +44,7 @@ enum {
TCPF_LISTEN = (1 << TCP_LISTEN),
TCPF_CLOSING = (1 << TCP_CLOSING),
TCPF_NEW_SYN_RECV = (1 << TCP_NEW_SYN_RECV),
+ TCPF_BOUND_INACTIVE = (1 << TCP_BOUND_INACTIVE),
};
#endif /* _LINUX_TCP_STATES_H */
diff --git a/include/net/vxlan.h b/include/net/vxlan.h
index 6a9f8a5f387c..33ba6fc151cf 100644
--- a/include/net/vxlan.h
+++ b/include/net/vxlan.h
@@ -210,22 +210,23 @@ struct vxlan_rdst {
};
struct vxlan_config {
- union vxlan_addr remote_ip;
- union vxlan_addr saddr;
- __be32 vni;
- int remote_ifindex;
- int mtu;
- __be16 dst_port;
- u16 port_min;
- u16 port_max;
- u8 tos;
- u8 ttl;
- __be32 label;
- u32 flags;
- unsigned long age_interval;
- unsigned int addrmax;
- bool no_share;
- enum ifla_vxlan_df df;
+ union vxlan_addr remote_ip;
+ union vxlan_addr saddr;
+ __be32 vni;
+ int remote_ifindex;
+ int mtu;
+ __be16 dst_port;
+ u16 port_min;
+ u16 port_max;
+ u8 tos;
+ u8 ttl;
+ __be32 label;
+ enum ifla_vxlan_label_policy label_policy;
+ u32 flags;
+ unsigned long age_interval;
+ unsigned int addrmax;
+ bool no_share;
+ enum ifla_vxlan_df df;
};
enum {
diff --git a/include/net/xdp_sock.h b/include/net/xdp_sock.h
index f83128007fb0..3cb4dc9bd70e 100644
--- a/include/net/xdp_sock.h
+++ b/include/net/xdp_sock.h
@@ -30,6 +30,7 @@ struct xdp_umem {
struct user_struct *user;
refcount_t users;
u8 flags;
+ u8 tx_metadata_len;
bool zc;
struct page **pgs;
int id;
@@ -92,12 +93,105 @@ struct xdp_sock {
struct xsk_queue *cq_tmp; /* Only as tmp storage before bind */
};
+/*
+ * AF_XDP TX metadata hooks for network devices.
+ * The following hooks can be defined; unless noted otherwise, they are
+ * optional and can be filled with a null pointer.
+ *
+ * void (*tmo_request_timestamp)(void *priv)
+ * Called when AF_XDP frame requested egress timestamp.
+ *
+ * u64 (*tmo_fill_timestamp)(void *priv)
+ * Called when AF_XDP frame, that had requested egress timestamp,
+ * received a completion. The hook needs to return the actual HW timestamp.
+ *
+ * void (*tmo_request_checksum)(u16 csum_start, u16 csum_offset, void *priv)
+ * Called when AF_XDP frame requested HW checksum offload. csum_start
+ * indicates position where checksumming should start.
+ * csum_offset indicates position where checksum should be stored.
+ *
+ */
+struct xsk_tx_metadata_ops {
+ void (*tmo_request_timestamp)(void *priv);
+ u64 (*tmo_fill_timestamp)(void *priv);
+ void (*tmo_request_checksum)(u16 csum_start, u16 csum_offset, void *priv);
+};
+
#ifdef CONFIG_XDP_SOCKETS
int xsk_generic_rcv(struct xdp_sock *xs, struct xdp_buff *xdp);
int __xsk_map_redirect(struct xdp_sock *xs, struct xdp_buff *xdp);
void __xsk_map_flush(void);
+/**
+ * xsk_tx_metadata_to_compl - Save enough relevant metadata information
+ * to perform tx completion in the future.
+ * @meta: pointer to AF_XDP metadata area
+ * @compl: pointer to output struct xsk_tx_metadata_to_compl
+ *
+ * This function should be called by the networking device when
+ * it prepares AF_XDP egress packet. The value of @compl should be stored
+ * and passed to xsk_tx_metadata_complete upon TX completion.
+ */
+static inline void xsk_tx_metadata_to_compl(struct xsk_tx_metadata *meta,
+ struct xsk_tx_metadata_compl *compl)
+{
+ if (!meta)
+ return;
+
+ if (meta->flags & XDP_TXMD_FLAGS_TIMESTAMP)
+ compl->tx_timestamp = &meta->completion.tx_timestamp;
+ else
+ compl->tx_timestamp = NULL;
+}
+
+/**
+ * xsk_tx_metadata_request - Evaluate AF_XDP TX metadata at submission
+ * and call appropriate xsk_tx_metadata_ops operation.
+ * @meta: pointer to AF_XDP metadata area
+ * @ops: pointer to struct xsk_tx_metadata_ops
+ * @priv: pointer to driver-private aread
+ *
+ * This function should be called by the networking device when
+ * it prepares AF_XDP egress packet.
+ */
+static inline void xsk_tx_metadata_request(const struct xsk_tx_metadata *meta,
+ const struct xsk_tx_metadata_ops *ops,
+ void *priv)
+{
+ if (!meta)
+ return;
+
+ if (ops->tmo_request_timestamp)
+ if (meta->flags & XDP_TXMD_FLAGS_TIMESTAMP)
+ ops->tmo_request_timestamp(priv);
+
+ if (ops->tmo_request_checksum)
+ if (meta->flags & XDP_TXMD_FLAGS_CHECKSUM)
+ ops->tmo_request_checksum(meta->request.csum_start,
+ meta->request.csum_offset, priv);
+}
+
+/**
+ * xsk_tx_metadata_complete - Evaluate AF_XDP TX metadata at completion
+ * and call appropriate xsk_tx_metadata_ops operation.
+ * @compl: pointer to completion metadata produced from xsk_tx_metadata_to_compl
+ * @ops: pointer to struct xsk_tx_metadata_ops
+ * @priv: pointer to driver-private aread
+ *
+ * This function should be called by the networking device upon
+ * AF_XDP egress completion.
+ */
+static inline void xsk_tx_metadata_complete(struct xsk_tx_metadata_compl *compl,
+ const struct xsk_tx_metadata_ops *ops,
+ void *priv)
+{
+ if (!compl)
+ return;
+
+ *compl->tx_timestamp = ops->tmo_fill_timestamp(priv);
+}
+
#else
static inline int xsk_generic_rcv(struct xdp_sock *xs, struct xdp_buff *xdp)
@@ -114,6 +208,23 @@ static inline void __xsk_map_flush(void)
{
}
+static inline void xsk_tx_metadata_to_compl(struct xsk_tx_metadata *meta,
+ struct xsk_tx_metadata_compl *compl)
+{
+}
+
+static inline void xsk_tx_metadata_request(struct xsk_tx_metadata *meta,
+ const struct xsk_tx_metadata_ops *ops,
+ void *priv)
+{
+}
+
+static inline void xsk_tx_metadata_complete(struct xsk_tx_metadata_compl *compl,
+ const struct xsk_tx_metadata_ops *ops,
+ void *priv)
+{
+}
+
#endif /* CONFIG_XDP_SOCKETS */
#if defined(CONFIG_XDP_SOCKETS) && defined(CONFIG_DEBUG_NET)
diff --git a/include/net/xdp_sock_drv.h b/include/net/xdp_sock_drv.h
index 1f6fc8c7a84c..81e02de3f453 100644
--- a/include/net/xdp_sock_drv.h
+++ b/include/net/xdp_sock_drv.h
@@ -165,6 +165,30 @@ static inline void *xsk_buff_raw_get_data(struct xsk_buff_pool *pool, u64 addr)
return xp_raw_get_data(pool, addr);
}
+#define XDP_TXMD_FLAGS_VALID ( \
+ XDP_TXMD_FLAGS_TIMESTAMP | \
+ XDP_TXMD_FLAGS_CHECKSUM | \
+ 0)
+
+static inline bool xsk_buff_valid_tx_metadata(struct xsk_tx_metadata *meta)
+{
+ return !(meta->flags & ~XDP_TXMD_FLAGS_VALID);
+}
+
+static inline struct xsk_tx_metadata *xsk_buff_get_metadata(struct xsk_buff_pool *pool, u64 addr)
+{
+ struct xsk_tx_metadata *meta;
+
+ if (!pool->tx_metadata_len)
+ return NULL;
+
+ meta = xp_raw_get_data(pool, addr) - pool->tx_metadata_len;
+ if (unlikely(!xsk_buff_valid_tx_metadata(meta)))
+ return NULL; /* no way to signal the error to the user */
+
+ return meta;
+}
+
static inline void xsk_buff_dma_sync_for_cpu(struct xdp_buff *xdp, struct xsk_buff_pool *pool)
{
struct xdp_buff_xsk *xskb = container_of(xdp, struct xdp_buff_xsk, xdp);
@@ -324,6 +348,16 @@ static inline void *xsk_buff_raw_get_data(struct xsk_buff_pool *pool, u64 addr)
return NULL;
}
+static inline bool xsk_buff_valid_tx_metadata(struct xsk_tx_metadata *meta)
+{
+ return false;
+}
+
+static inline struct xsk_tx_metadata *xsk_buff_get_metadata(struct xsk_buff_pool *pool, u64 addr)
+{
+ return NULL;
+}
+
static inline void xsk_buff_dma_sync_for_cpu(struct xdp_buff *xdp, struct xsk_buff_pool *pool)
{
}
diff --git a/include/net/xsk_buff_pool.h b/include/net/xsk_buff_pool.h
index b0bdff26fc88..8d48d37ab7c0 100644
--- a/include/net/xsk_buff_pool.h
+++ b/include/net/xsk_buff_pool.h
@@ -33,6 +33,7 @@ struct xdp_buff_xsk {
};
#define XSK_CHECK_PRIV_TYPE(t) BUILD_BUG_ON(sizeof(t) > offsetofend(struct xdp_buff_xsk, cb))
+#define XSK_TX_COMPL_FITS(t) BUILD_BUG_ON(sizeof(struct xsk_tx_metadata_compl) > sizeof(t))
struct xsk_dma_map {
dma_addr_t *dma_pages;
@@ -77,10 +78,12 @@ struct xsk_buff_pool {
u32 chunk_size;
u32 chunk_shift;
u32 frame_len;
+ u8 tx_metadata_len; /* inherited from umem */
u8 cached_need_wakeup;
bool uses_need_wakeup;
bool dma_need_sync;
bool unaligned;
+ bool tx_sw_csum;
void *addrs;
/* Mutual exclusion of the completion ring in the SKB mode. Two cases to protect:
* NAPI TX thread and sendmsg error paths in the SKB destructor callback and when
@@ -233,4 +236,9 @@ static inline u64 xp_get_handle(struct xdp_buff_xsk *xskb)
return xskb->orig_addr + (offset << XSK_UNALIGNED_BUF_OFFSET_SHIFT);
}
+static inline bool xp_tx_metadata_enabled(const struct xsk_buff_pool *pool)
+{
+ return pool->tx_metadata_len > 0;
+}
+
#endif /* XSK_BUFF_POOL_H_ */
generated by cgit v1.2.3 (git 2.39.0) at 2024-08-11 00:08:21 +0300