diff options
Diffstat (limited to 'include/net')
-rw-r--r-- | include/net/cfg80211.h | 82 | ||||
-rw-r--r-- | include/net/checksum.h | 2 | ||||
-rw-r--r-- | include/net/dst.h | 23 | ||||
-rw-r--r-- | include/net/ieee80211.h | 133 | ||||
-rw-r--r-- | include/net/inet_hashtables.h | 56 | ||||
-rw-r--r-- | include/net/inet_timewait_sock.h | 10 | ||||
-rw-r--r-- | include/net/ip_vs.h | 17 | ||||
-rw-r--r-- | include/net/lib80211.h | 18 | ||||
-rw-r--r-- | include/net/mac80211.h | 411 | ||||
-rw-r--r-- | include/net/ndisc.h | 14 | ||||
-rw-r--r-- | include/net/neighbour.h | 15 | ||||
-rw-r--r-- | include/net/net_namespace.h | 18 | ||||
-rw-r--r-- | include/net/netfilter/nf_conntrack_tuple.h | 12 | ||||
-rw-r--r-- | include/net/netlink.h | 22 | ||||
-rw-r--r-- | include/net/netns/ipv4.h | 2 | ||||
-rw-r--r-- | include/net/pkt_cls.h | 2 | ||||
-rw-r--r-- | include/net/sch_generic.h | 38 | ||||
-rw-r--r-- | include/net/sctp/sctp.h | 8 | ||||
-rw-r--r-- | include/net/sock.h | 82 | ||||
-rw-r--r-- | include/net/tcp.h | 1 | ||||
-rw-r--r-- | include/net/udp.h | 25 | ||||
-rw-r--r-- | include/net/udplite.h | 2 | ||||
-rw-r--r-- | include/net/wireless.h | 70 | ||||
-rw-r--r-- | include/net/xfrm.h | 5 |
24 files changed, 604 insertions, 464 deletions
diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h index 0e85ec39b638..1d57835d73f2 100644 --- a/include/net/cfg80211.h +++ b/include/net/cfg80211.h @@ -280,11 +280,16 @@ struct mpath_info { * (0 = no, 1 = yes, -1 = do not change) * @use_short_slot_time: Whether the use of short slot time is allowed * (0 = no, 1 = yes, -1 = do not change) + * @basic_rates: basic rates in IEEE 802.11 format + * (or NULL for no change) + * @basic_rates_len: number of basic rates */ struct bss_parameters { int use_cts_prot; int use_short_preamble; int use_short_slot_time; + u8 *basic_rates; + u8 basic_rates_len; }; /** @@ -331,22 +336,59 @@ struct ieee80211_regdomain { struct ieee80211_reg_rule reg_rules[]; }; -#define MHZ_TO_KHZ(freq) (freq * 1000) -#define KHZ_TO_MHZ(freq) (freq / 1000) -#define DBI_TO_MBI(gain) (gain * 100) -#define MBI_TO_DBI(gain) (gain / 100) -#define DBM_TO_MBM(gain) (gain * 100) -#define MBM_TO_DBM(gain) (gain / 100) +#define MHZ_TO_KHZ(freq) ((freq) * 1000) +#define KHZ_TO_MHZ(freq) ((freq) / 1000) +#define DBI_TO_MBI(gain) ((gain) * 100) +#define MBI_TO_DBI(gain) ((gain) / 100) +#define DBM_TO_MBM(gain) ((gain) * 100) +#define MBM_TO_DBM(gain) ((gain) / 100) #define REG_RULE(start, end, bw, gain, eirp, reg_flags) { \ - .freq_range.start_freq_khz = (start) * 1000, \ - .freq_range.end_freq_khz = (end) * 1000, \ - .freq_range.max_bandwidth_khz = (bw) * 1000, \ - .power_rule.max_antenna_gain = (gain) * 100, \ - .power_rule.max_eirp = (eirp) * 100, \ + .freq_range.start_freq_khz = MHZ_TO_KHZ(start), \ + .freq_range.end_freq_khz = MHZ_TO_KHZ(end), \ + .freq_range.max_bandwidth_khz = MHZ_TO_KHZ(bw), \ + .power_rule.max_antenna_gain = DBI_TO_MBI(gain), \ + .power_rule.max_eirp = DBM_TO_MBM(eirp), \ .flags = reg_flags, \ } +struct mesh_config { + /* Timeouts in ms */ + /* Mesh plink management parameters */ + u16 dot11MeshRetryTimeout; + u16 dot11MeshConfirmTimeout; + u16 dot11MeshHoldingTimeout; + u16 dot11MeshMaxPeerLinks; + u8 dot11MeshMaxRetries; + u8 dot11MeshTTL; + bool auto_open_plinks; + /* HWMP parameters */ + u8 dot11MeshHWMPmaxPREQretries; + u32 path_refresh_time; + u16 min_discovery_timeout; + u32 dot11MeshHWMPactivePathTimeout; + u16 dot11MeshHWMPpreqMinInterval; + u16 dot11MeshHWMPnetDiameterTraversalTime; +}; + +/** + * struct ieee80211_txq_params - TX queue parameters + * @queue: TX queue identifier (NL80211_TXQ_Q_*) + * @txop: Maximum burst time in units of 32 usecs, 0 meaning disabled + * @cwmin: Minimum contention window [a value of the form 2^n-1 in the range + * 1..32767] + * @cwmax: Maximum contention window [a value of the form 2^n-1 in the range + * 1..32767] + * @aifs: Arbitration interframe space [0..255] + */ +struct ieee80211_txq_params { + enum nl80211_txq_q queue; + u16 txop; + u16 cwmin; + u16 cwmax; + u8 aifs; +}; + /* from net/wireless.h */ struct wiphy; @@ -397,9 +439,17 @@ struct wiphy; * * @change_station: Modify a given station. * + * @get_mesh_params: Put the current mesh parameters into *params + * + * @set_mesh_params: Set mesh parameters. + * The mask is a bitfield which tells us which parameters to + * set, and which to leave alone. + * * @set_mesh_cfg: set mesh parameters (by now, just mesh id) * * @change_bss: Modify parameters for a given BSS. + * + * @set_txq_params: Set TX queue parameters */ struct cfg80211_ops { int (*add_virtual_intf)(struct wiphy *wiphy, char *name, @@ -452,9 +502,17 @@ struct cfg80211_ops { int (*dump_mpath)(struct wiphy *wiphy, struct net_device *dev, int idx, u8 *dst, u8 *next_hop, struct mpath_info *pinfo); - + int (*get_mesh_params)(struct wiphy *wiphy, + struct net_device *dev, + struct mesh_config *conf); + int (*set_mesh_params)(struct wiphy *wiphy, + struct net_device *dev, + const struct mesh_config *nconf, u32 mask); int (*change_bss)(struct wiphy *wiphy, struct net_device *dev, struct bss_parameters *params); + + int (*set_txq_params)(struct wiphy *wiphy, + struct ieee80211_txq_params *params); }; #endif /* __NET_CFG80211_H */ diff --git a/include/net/checksum.h b/include/net/checksum.h index 07602b7fa218..ba55d8b8c87c 100644 --- a/include/net/checksum.h +++ b/include/net/checksum.h @@ -98,7 +98,7 @@ static inline void csum_replace4(__sum16 *sum, __be32 from, __be32 to) { __be32 diff[] = { ~from, to }; - *sum = csum_fold(csum_partial((char *)diff, sizeof(diff), ~csum_unfold(*sum))); + *sum = csum_fold(csum_partial(diff, sizeof(diff), ~csum_unfold(*sum))); } static inline void csum_replace2(__sum16 *sum, __be16 from, __be16 to) diff --git a/include/net/dst.h b/include/net/dst.h index 8a8b71e5f3f1..6c778799bf10 100644 --- a/include/net/dst.h +++ b/include/net/dst.h @@ -59,8 +59,11 @@ struct dst_entry struct neighbour *neighbour; struct hh_cache *hh; +#ifdef CONFIG_XFRM struct xfrm_state *xfrm; - +#else + void *__pad1; +#endif int (*input)(struct sk_buff*); int (*output)(struct sk_buff*); @@ -70,8 +73,20 @@ struct dst_entry #ifdef CONFIG_NET_CLS_ROUTE __u32 tclassid; +#else + __u32 __pad2; #endif + + /* + * Align __refcnt to a 64 bytes alignment + * (L1_CACHE_SIZE would be too much) + */ +#ifdef CONFIG_64BIT + long __pad_to_align_refcnt[2]; +#else + long __pad_to_align_refcnt[1]; +#endif /* * __refcnt wants to be on a different cache line from * input/output/ops or performance tanks badly @@ -103,7 +118,6 @@ struct dst_ops void (*link_failure)(struct sk_buff *); void (*update_pmtu)(struct dst_entry *dst, u32 mtu); int (*local_out)(struct sk_buff *skb); - int entry_size; atomic_t entries; struct kmem_cache *kmem_cachep; @@ -157,6 +171,11 @@ dst_metric_locked(struct dst_entry *dst, int metric) static inline void dst_hold(struct dst_entry * dst) { + /* + * If your kernel compilation stops here, please check + * __pad_to_align_refcnt declaration in struct dst_entry + */ + BUILD_BUG_ON(offsetof(struct dst_entry, __refcnt) & 63); atomic_inc(&dst->__refcnt); } diff --git a/include/net/ieee80211.h b/include/net/ieee80211.h index 93a56de3594b..738734a4653b 100644 --- a/include/net/ieee80211.h +++ b/include/net/ieee80211.h @@ -28,6 +28,7 @@ #include <linux/if_ether.h> /* ETH_ALEN */ #include <linux/kernel.h> /* ARRAY_SIZE */ #include <linux/wireless.h> +#include <linux/ieee80211.h> #define IEEE80211_VERSION "git-1.1.13" @@ -127,10 +128,6 @@ static inline bool ieee80211_ratelimit_debug(u32 level) } #endif /* CONFIG_IEEE80211_DEBUG */ -/* escape_essid() is intended to be used in debug (and possibly error) - * messages. It should never be used for passing essid to user space. */ -const char *escape_essid(const char *essid, u8 essid_len); - /* * To use the debug system: * @@ -218,94 +215,6 @@ struct ieee80211_snap_hdr { #define WLAN_GET_SEQ_FRAG(seq) ((seq) & IEEE80211_SCTL_FRAG) #define WLAN_GET_SEQ_SEQ(seq) (((seq) & IEEE80211_SCTL_SEQ) >> 4) -/* Authentication algorithms */ -#define WLAN_AUTH_OPEN 0 -#define WLAN_AUTH_SHARED_KEY 1 -#define WLAN_AUTH_LEAP 2 - -#define WLAN_AUTH_CHALLENGE_LEN 128 - -#define WLAN_CAPABILITY_ESS (1<<0) -#define WLAN_CAPABILITY_IBSS (1<<1) -#define WLAN_CAPABILITY_CF_POLLABLE (1<<2) -#define WLAN_CAPABILITY_CF_POLL_REQUEST (1<<3) -#define WLAN_CAPABILITY_PRIVACY (1<<4) -#define WLAN_CAPABILITY_SHORT_PREAMBLE (1<<5) -#define WLAN_CAPABILITY_PBCC (1<<6) -#define WLAN_CAPABILITY_CHANNEL_AGILITY (1<<7) -#define WLAN_CAPABILITY_SPECTRUM_MGMT (1<<8) -#define WLAN_CAPABILITY_QOS (1<<9) -#define WLAN_CAPABILITY_SHORT_SLOT_TIME (1<<10) -#define WLAN_CAPABILITY_DSSS_OFDM (1<<13) - -/* 802.11g ERP information element */ -#define WLAN_ERP_NON_ERP_PRESENT (1<<0) -#define WLAN_ERP_USE_PROTECTION (1<<1) -#define WLAN_ERP_BARKER_PREAMBLE (1<<2) - -/* Status codes */ -enum ieee80211_statuscode { - WLAN_STATUS_SUCCESS = 0, - WLAN_STATUS_UNSPECIFIED_FAILURE = 1, - WLAN_STATUS_CAPS_UNSUPPORTED = 10, - WLAN_STATUS_REASSOC_NO_ASSOC = 11, - WLAN_STATUS_ASSOC_DENIED_UNSPEC = 12, - WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG = 13, - WLAN_STATUS_UNKNOWN_AUTH_TRANSACTION = 14, - WLAN_STATUS_CHALLENGE_FAIL = 15, - WLAN_STATUS_AUTH_TIMEOUT = 16, - WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA = 17, - WLAN_STATUS_ASSOC_DENIED_RATES = 18, - /* 802.11b */ - WLAN_STATUS_ASSOC_DENIED_NOSHORTPREAMBLE = 19, - WLAN_STATUS_ASSOC_DENIED_NOPBCC = 20, - WLAN_STATUS_ASSOC_DENIED_NOAGILITY = 21, - /* 802.11h */ - WLAN_STATUS_ASSOC_DENIED_NOSPECTRUM = 22, - WLAN_STATUS_ASSOC_REJECTED_BAD_POWER = 23, - WLAN_STATUS_ASSOC_REJECTED_BAD_SUPP_CHAN = 24, - /* 802.11g */ - WLAN_STATUS_ASSOC_DENIED_NOSHORTTIME = 25, - WLAN_STATUS_ASSOC_DENIED_NODSSSOFDM = 26, - /* 802.11i */ - WLAN_STATUS_INVALID_IE = 40, - WLAN_STATUS_INVALID_GROUP_CIPHER = 41, - WLAN_STATUS_INVALID_PAIRWISE_CIPHER = 42, - WLAN_STATUS_INVALID_AKMP = 43, - WLAN_STATUS_UNSUPP_RSN_VERSION = 44, - WLAN_STATUS_INVALID_RSN_IE_CAP = 45, - WLAN_STATUS_CIPHER_SUITE_REJECTED = 46, -}; - -/* Reason codes */ -enum ieee80211_reasoncode { - WLAN_REASON_UNSPECIFIED = 1, - WLAN_REASON_PREV_AUTH_NOT_VALID = 2, - WLAN_REASON_DEAUTH_LEAVING = 3, - WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY = 4, - WLAN_REASON_DISASSOC_AP_BUSY = 5, - WLAN_REASON_CLASS2_FRAME_FROM_NONAUTH_STA = 6, - WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA = 7, - WLAN_REASON_DISASSOC_STA_HAS_LEFT = 8, - WLAN_REASON_STA_REQ_ASSOC_WITHOUT_AUTH = 9, - /* 802.11h */ - WLAN_REASON_DISASSOC_BAD_POWER = 10, - WLAN_REASON_DISASSOC_BAD_SUPP_CHAN = 11, - /* 802.11i */ - WLAN_REASON_INVALID_IE = 13, - WLAN_REASON_MIC_FAILURE = 14, - WLAN_REASON_4WAY_HANDSHAKE_TIMEOUT = 15, - WLAN_REASON_GROUP_KEY_HANDSHAKE_TIMEOUT = 16, - WLAN_REASON_IE_DIFFERENT = 17, - WLAN_REASON_INVALID_GROUP_CIPHER = 18, - WLAN_REASON_INVALID_PAIRWISE_CIPHER = 19, - WLAN_REASON_INVALID_AKMP = 20, - WLAN_REASON_UNSUPP_RSN_VERSION = 21, - WLAN_REASON_INVALID_RSN_IE_CAP = 22, - WLAN_REASON_IEEE8021X_FAILED = 23, - WLAN_REASON_CIPHER_SUITE_REJECTED = 24, -}; - /* Action categories - 802.11h */ enum ieee80211_actioncategories { WLAN_ACTION_SPECTRUM_MGMT = 0, @@ -534,15 +443,6 @@ enum ieee80211_mfie { MFIE_TYPE_QOS_PARAMETER = 222, }; -/* Minimal header; can be used for passing 802.11 frames with sufficient - * information to determine what type of underlying data type is actually - * stored in the data. */ -struct ieee80211_hdr { - __le16 frame_ctl; - __le16 duration_id; - u8 payload[0]; -} __attribute__ ((packed)); - struct ieee80211_hdr_1addr { __le16 frame_ctl; __le16 duration_id; @@ -590,18 +490,6 @@ struct ieee80211_hdr_3addrqos { __le16 qos_ctl; } __attribute__ ((packed)); -struct ieee80211_hdr_4addrqos { - __le16 frame_ctl; - __le16 duration_id; - u8 addr1[ETH_ALEN]; - u8 addr2[ETH_ALEN]; - u8 addr3[ETH_ALEN]; - __le16 seq_ctl; - u8 addr4[ETH_ALEN]; - u8 payload[0]; - __le16 qos_ctl; -} __attribute__ ((packed)); - struct ieee80211_info_element { u8 id; u8 len; @@ -733,7 +621,6 @@ struct ieee80211_txb { #define MAX_WPA_IE_LEN 64 -#define NETWORK_EMPTY_ESSID (1<<0) #define NETWORK_HAS_OFDM (1<<1) #define NETWORK_HAS_CCK (1<<2) @@ -1135,22 +1022,6 @@ static inline void *ieee80211_priv(struct net_device *dev) return ((struct ieee80211_device *)netdev_priv(dev))->priv; } -static inline int ieee80211_is_empty_essid(const char *essid, int essid_len) -{ - /* Single white space is for Linksys APs */ - if (essid_len == 1 && essid[0] == ' ') - return 1; - - /* Otherwise, if the entire essid is 0, we assume it is hidden */ - while (essid_len) { - essid_len--; - if (essid[essid_len] != '\0') - return 0; - } - - return 1; -} - static inline int ieee80211_is_valid_mode(struct ieee80211_device *ieee, int mode) { @@ -1208,7 +1079,7 @@ static inline int ieee80211_get_hdrlen(u16 fc) static inline u8 *ieee80211_get_payload(struct ieee80211_hdr *hdr) { - switch (ieee80211_get_hdrlen(le16_to_cpu(hdr->frame_ctl))) { + switch (ieee80211_get_hdrlen(le16_to_cpu(hdr->frame_control))) { case IEEE80211_1ADDR_LEN: return ((struct ieee80211_hdr_1addr *)hdr)->payload; case IEEE80211_2ADDR_LEN: diff --git a/include/net/inet_hashtables.h b/include/net/inet_hashtables.h index 5cc182f9ecae..62d2dd0d7860 100644 --- a/include/net/inet_hashtables.h +++ b/include/net/inet_hashtables.h @@ -41,8 +41,8 @@ * I'll experiment with dynamic table growth later. */ struct inet_ehash_bucket { - struct hlist_head chain; - struct hlist_head twchain; + struct hlist_nulls_head chain; + struct hlist_nulls_head twchain; }; /* There are a few simple rules, which allow for local port reuse by @@ -77,13 +77,20 @@ struct inet_ehash_bucket { * ports are created in O(1) time? I thought so. ;-) -DaveM */ struct inet_bind_bucket { +#ifdef CONFIG_NET_NS struct net *ib_net; +#endif unsigned short port; signed short fastreuse; struct hlist_node node; struct hlist_head owners; }; +static inline struct net *ib_net(struct inet_bind_bucket *ib) +{ + return read_pnet(&ib->ib_net); +} + #define inet_bind_bucket_for_each(tb, node, head) \ hlist_for_each_entry(tb, node, head, node) @@ -92,6 +99,11 @@ struct inet_bind_hashbucket { struct hlist_head chain; }; +struct inet_listen_hashbucket { + spinlock_t lock; + struct hlist_head head; +}; + /* This is for listening sockets, thus all sockets which possess wildcards. */ #define INET_LHTABLE_SIZE 32 /* Yes, really, this is all you need. */ @@ -116,22 +128,21 @@ struct inet_hashinfo { unsigned int bhash_size; /* Note : 4 bytes padding on 64 bit arches */ - /* All sockets in TCP_LISTEN state will be in here. This is the only - * table where wildcard'd TCP sockets can exist. Hash function here - * is just local port number. - */ - struct hlist_head listening_hash[INET_LHTABLE_SIZE]; + struct kmem_cache *bind_bucket_cachep; /* All the above members are written once at bootup and * never written again _or_ are predominantly read-access. * * Now align to a new cache line as all the following members - * are often dirty. + * might be often dirty. + */ + /* All sockets in TCP_LISTEN state will be in here. This is the only + * table where wildcard'd TCP sockets can exist. Hash function here + * is just local port number. */ - rwlock_t lhash_lock ____cacheline_aligned; - atomic_t lhash_users; - wait_queue_head_t lhash_wait; - struct kmem_cache *bind_bucket_cachep; + struct inet_listen_hashbucket listening_hash[INET_LHTABLE_SIZE] + ____cacheline_aligned_in_smp; + }; static inline struct inet_ehash_bucket *inet_ehash_bucket( @@ -229,26 +240,7 @@ extern void __inet_inherit_port(struct sock *sk, struct sock *child); extern void inet_put_port(struct sock *sk); -extern void inet_listen_wlock(struct inet_hashinfo *hashinfo); - -/* - * - We may sleep inside this lock. - * - If sleeping is not required (or called from BH), - * use plain read_(un)lock(&inet_hashinfo.lhash_lock). - */ -static inline void inet_listen_lock(struct inet_hashinfo *hashinfo) -{ - /* read_lock synchronizes to candidates to writers */ - read_lock(&hashinfo->lhash_lock); - atomic_inc(&hashinfo->lhash_users); - read_unlock(&hashinfo->lhash_lock); -} - -static inline void inet_listen_unlock(struct inet_hashinfo *hashinfo) -{ - if (atomic_dec_and_test(&hashinfo->lhash_users)) - wake_up(&hashinfo->lhash_wait); -} +void inet_hashinfo_init(struct inet_hashinfo *h); extern void __inet_hash_nolisten(struct sock *sk); extern void inet_hash(struct sock *sk); diff --git a/include/net/inet_timewait_sock.h b/include/net/inet_timewait_sock.h index 80e4977631b8..4b8ece22b8e9 100644 --- a/include/net/inet_timewait_sock.h +++ b/include/net/inet_timewait_sock.h @@ -110,7 +110,7 @@ struct inet_timewait_sock { #define tw_state __tw_common.skc_state #define tw_reuse __tw_common.skc_reuse #define tw_bound_dev_if __tw_common.skc_bound_dev_if -#define tw_node __tw_common.skc_node +#define tw_node __tw_common.skc_nulls_node #define tw_bind_node __tw_common.skc_bind_node #define tw_refcnt __tw_common.skc_refcnt #define tw_hash __tw_common.skc_hash @@ -137,10 +137,10 @@ struct inet_timewait_sock { struct hlist_node tw_death_node; }; -static inline void inet_twsk_add_node(struct inet_timewait_sock *tw, - struct hlist_head *list) +static inline void inet_twsk_add_node_rcu(struct inet_timewait_sock *tw, + struct hlist_nulls_head *list) { - hlist_add_head(&tw->tw_node, list); + hlist_nulls_add_head_rcu(&tw->tw_node, list); } static inline void inet_twsk_add_bind_node(struct inet_timewait_sock *tw, @@ -175,7 +175,7 @@ static inline int inet_twsk_del_dead_node(struct inet_timewait_sock *tw) } #define inet_twsk_for_each(tw, node, head) \ - hlist_for_each_entry(tw, node, head, tw_node) + hlist_nulls_for_each_entry(tw, node, head, tw_node) #define inet_twsk_for_each_inmate(tw, node, jail) \ hlist_for_each_entry(tw, node, jail, tw_death_node) diff --git a/include/net/ip_vs.h b/include/net/ip_vs.h index fe9fcf73c85e..ab9b003ab671 100644 --- a/include/net/ip_vs.h +++ b/include/net/ip_vs.h @@ -87,12 +87,12 @@ static inline const char *ip_vs_dbg_addr(int af, char *buf, size_t buf_len, int len; #ifdef CONFIG_IP_VS_IPV6 if (af == AF_INET6) - len = snprintf(&buf[*idx], buf_len - *idx, "[" NIP6_FMT "]", - NIP6(addr->in6)) + 1; + len = snprintf(&buf[*idx], buf_len - *idx, "[%pI6]", + &addr->in6) + 1; else #endif - len = snprintf(&buf[*idx], buf_len - *idx, NIPQUAD_FMT, - NIPQUAD(addr->ip)) + 1; + len = snprintf(&buf[*idx], buf_len - *idx, "%pI4", + &addr->ip) + 1; *idx += len; BUG_ON(*idx > buf_len + 1); @@ -503,9 +503,6 @@ struct ip_vs_scheduler { char *name; /* scheduler name */ atomic_t refcnt; /* reference counter */ struct module *module; /* THIS_MODULE/NULL */ -#ifdef CONFIG_IP_VS_IPV6 - int supports_ipv6; /* scheduler has IPv6 support */ -#endif /* scheduler initializing service */ int (*init_service)(struct ip_vs_service *svc); @@ -916,7 +913,7 @@ static inline __wsum ip_vs_check_diff4(__be32 old, __be32 new, __wsum oldsum) { __be32 diff[2] = { ~old, new }; - return csum_partial((char *) diff, sizeof(diff), oldsum); + return csum_partial(diff, sizeof(diff), oldsum); } #ifdef CONFIG_IP_VS_IPV6 @@ -926,7 +923,7 @@ static inline __wsum ip_vs_check_diff16(const __be32 *old, const __be32 *new, __be32 diff[8] = { ~old[3], ~old[2], ~old[1], ~old[0], new[3], new[2], new[1], new[0] }; - return csum_partial((char *) diff, sizeof(diff), oldsum); + return csum_partial(diff, sizeof(diff), oldsum); } #endif @@ -934,7 +931,7 @@ static inline __wsum ip_vs_check_diff2(__be16 old, __be16 new, __wsum oldsum) { __be16 diff[2] = { ~old, new }; - return csum_partial((char *) diff, sizeof(diff), oldsum); + return csum_partial(diff, sizeof(diff), oldsum); } #endif /* __KERNEL__ */ diff --git a/include/net/lib80211.h b/include/net/lib80211.h new file mode 100644 index 000000000000..e1558a187ac0 --- /dev/null +++ b/include/net/lib80211.h @@ -0,0 +1,18 @@ +/* + * lib80211.h -- common bits for IEEE802.11 wireless drivers + * + * Copyright (c) 2008, John W. Linville <linville@tuxdriver.com> + * + */ + +#ifndef LIB80211_H +#define LIB80211_H + +#include <linux/ieee80211.h> + +/* print_ssid() is intended to be used in debug (and possibly error) + * messages. It should never be used for passing ssid to user space. */ +const char *print_ssid(char *buf, const char *ssid, u8 ssid_len); +#define DECLARE_SSID_BUF(var) char var[IEEE80211_MAX_SSID_LEN * 4 + 1] __maybe_unused + +#endif /* LIB80211_H */ diff --git a/include/net/mac80211.h b/include/net/mac80211.h index 73d81bc6aa75..1b8ed421feaa 100644 --- a/include/net/mac80211.h +++ b/include/net/mac80211.h @@ -3,7 +3,7 @@ * * Copyright 2002-2005, Devicescape Software, Inc. * Copyright 2006-2007 Jiri Benc <jbenc@suse.cz> - * Copyright 2007 Johannes Berg <johannes@sipsolutions.net> + * Copyright 2007-2008 Johannes Berg <johannes@sipsolutions.net> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as @@ -107,7 +107,7 @@ enum ieee80211_max_queues { * The information provided in this structure is required for QoS * transmit queue configuration. Cf. IEEE 802.11 7.3.2.29. * - * @aifs: arbitration interface space [0..255] + * @aifs: arbitration interframe space [0..255] * @cw_min: minimum contention window [a value of the form * 2^n-1 in the range 1..32767] * @cw_max: maximum contention window [like @cw_min] @@ -164,6 +164,19 @@ enum ieee80211_bss_change { }; /** + * struct ieee80211_bss_ht_conf - BSS's changing HT configuration + * @secondary_channel_offset: secondary channel offset, uses + * %IEEE80211_HT_PARAM_CHA_SEC_ values + * @width_40_ok: indicates that 40 MHz bandwidth may be used for TX + * @operation_mode: HT operation mode (like in &struct ieee80211_ht_info) + */ +struct ieee80211_bss_ht_conf { + u8 secondary_channel_offset; + bool width_40_ok; + u16 operation_mode; +}; + +/** * struct ieee80211_bss_conf - holds the BSS's changing parameters * * This structure keeps information about a BSS (and an association @@ -172,15 +185,17 @@ enum ieee80211_bss_change { * @assoc: association status * @aid: association ID number, valid only when @assoc is true * @use_cts_prot: use CTS protection - * @use_short_preamble: use 802.11b short preamble - * @use_short_slot: use short slot time (only relevant for ERP) + * @use_short_preamble: use 802.11b short preamble; + * if the hardware cannot handle this it must set the + * IEEE80211_HW_2GHZ_SHORT_PREAMBLE_INCAPABLE hardware flag + * @use_short_slot: use short slot time (only relevant for ERP); + * if the hardware cannot handle this it must set the + * IEEE80211_HW_2GHZ_SHORT_SLOT_INCAPABLE hardware flag * @dtim_period: num of beacons before the next DTIM, for PSM * @timestamp: beacon timestamp * @beacon_int: beacon interval * @assoc_capability: capabilities taken from assoc resp - * @assoc_ht: association in HT mode - * @ht_conf: ht capabilities - * @ht_bss_conf: ht extended capabilities + * @ht: BSS's HT configuration * @basic_rates: bitmap of basic rates, each bit stands for an * index into the rate table configured by the driver in * the current band. @@ -198,10 +213,7 @@ struct ieee80211_bss_conf { u16 assoc_capability; u64 timestamp; u64 basic_rates; - /* ht related data */ - bool assoc_ht; - struct ieee80211_ht_info *ht_conf; - struct ieee80211_ht_bss_info *ht_bss_conf; + struct ieee80211_bss_ht_conf ht; }; /** @@ -210,29 +222,24 @@ struct ieee80211_bss_conf { * These flags are used with the @flags member of &ieee80211_tx_info. * * @IEEE80211_TX_CTL_REQ_TX_STATUS: request TX status callback for this frame. - * @IEEE80211_TX_CTL_USE_RTS_CTS: use RTS-CTS before sending frame - * @IEEE80211_TX_CTL_USE_CTS_PROTECT: use CTS protection for the frame (e.g., - * for combined 802.11g / 802.11b networks) + * @IEEE80211_TX_CTL_ASSIGN_SEQ: The driver has to assign a sequence + * number to this frame, taking care of not overwriting the fragment + * number and increasing the sequence number only when the + * IEEE80211_TX_CTL_FIRST_FRAGMENT flag is set. mac80211 will properly + * assign sequence numbers to QoS-data frames but cannot do so correctly + * for non-QoS-data and management frames because beacons need them from + * that counter as well and mac80211 cannot guarantee proper sequencing. + * If this flag is set, the driver should instruct the hardware to + * assign a sequence number to the frame or assign one itself. Cf. IEEE + * 802.11-2007 7.1.3.4.1 paragraph 3. This flag will always be set for + * beacons and always be clear for frames without a sequence number field. * @IEEE80211_TX_CTL_NO_ACK: tell the low level not to wait for an ack - * @IEEE80211_TX_CTL_RATE_CTRL_PROBE: TBD * @IEEE80211_TX_CTL_CLEAR_PS_FILT: clear powersave filter for destination * station - * @IEEE80211_TX_CTL_REQUEUE: TBD * @IEEE80211_TX_CTL_FIRST_FRAGMENT: this is a first fragment of the frame - * @IEEE80211_TX_CTL_SHORT_PREAMBLE: TBD - * @IEEE80211_TX_CTL_LONG_RETRY_LIMIT: this frame should be send using the - * through set_retry_limit configured long retry value * @IEEE80211_TX_CTL_SEND_AFTER_DTIM: send this frame after DTIM beacon * @IEEE80211_TX_CTL_AMPDU: this frame should be sent as part of an A-MPDU - * @IEEE80211_TX_CTL_OFDM_HT: this frame can be sent in HT OFDM rates. number - * of streams when this flag is on can be extracted from antenna_sel_tx, - * so if 1 antenna is marked use SISO, 2 antennas marked use MIMO, n - * antennas marked use MIMO_n. - * @IEEE80211_TX_CTL_GREEN_FIELD: use green field protection for this frame - * @IEEE80211_TX_CTL_40_MHZ_WIDTH: send this frame using 40 Mhz channel width - * @IEEE80211_TX_CTL_DUP_DATA: duplicate data frame on both 20 Mhz channels - * @IEEE80211_TX_CTL_SHORT_GI: send this frame using short guard interval - * @IEEE80211_TX_CTL_INJECTED: TBD + * @IEEE80211_TX_CTL_INJECTED: Frame was injected, internal to mac80211. * @IEEE80211_TX_STAT_TX_FILTERED: The frame was not transmitted * because the destination STA was in powersave mode. * @IEEE80211_TX_STAT_ACK: Frame was acknowledged @@ -240,62 +247,66 @@ struct ieee80211_bss_conf { * is for the whole aggregation. * @IEEE80211_TX_STAT_AMPDU_NO_BACK: no block ack was returned, * so consider using block ack request (BAR). - * @IEEE80211_TX_CTL_ASSIGN_SEQ: The driver has to assign a sequence - * number to this frame, taking care of not overwriting the fragment - * number and increasing the sequence number only when the - * IEEE80211_TX_CTL_FIRST_FRAGMENT flags is set. mac80211 will properly - * assign sequence numbers to QoS-data frames but cannot do so correctly - * for non-QoS-data and management frames because beacons need them from - * that counter as well and mac80211 cannot guarantee proper sequencing. - * If this flag is set, the driver should instruct the hardware to - * assign a sequence number to the frame or assign one itself. Cf. IEEE - * 802.11-2007 7.1.3.4.1 paragraph 3. This flag will always be set for - * beacons always be clear for frames without a sequence number field. + * @IEEE80211_TX_CTL_RATE_CTRL_PROBE: internal to mac80211, can be + * set by rate control algorithms to indicate probe rate, will + * be cleared for fragmented frames (except on the last fragment) */ enum mac80211_tx_control_flags { IEEE80211_TX_CTL_REQ_TX_STATUS = BIT(0), - IEEE80211_TX_CTL_USE_RTS_CTS = BIT(2), - IEEE80211_TX_CTL_USE_CTS_PROTECT = BIT(3), - IEEE80211_TX_CTL_NO_ACK = BIT(4), - IEEE80211_TX_CTL_RATE_CTRL_PROBE = BIT(5), - IEEE80211_TX_CTL_CLEAR_PS_FILT = BIT(6), - IEEE80211_TX_CTL_REQUEUE = BIT(7), - IEEE80211_TX_CTL_FIRST_FRAGMENT = BIT(8), - IEEE80211_TX_CTL_SHORT_PREAMBLE = BIT(9), - IEEE80211_TX_CTL_LONG_RETRY_LIMIT = BIT(10), - IEEE80211_TX_CTL_SEND_AFTER_DTIM = BIT(12), - IEEE80211_TX_CTL_AMPDU = BIT(13), - IEEE80211_TX_CTL_OFDM_HT = BIT(14), - IEEE80211_TX_CTL_GREEN_FIELD = BIT(15), - IEEE80211_TX_CTL_40_MHZ_WIDTH = BIT(16), - IEEE80211_TX_CTL_DUP_DATA = BIT(17), - IEEE80211_TX_CTL_SHORT_GI = BIT(18), - IEEE80211_TX_CTL_INJECTED = BIT(19), - IEEE80211_TX_STAT_TX_FILTERED = BIT(20), - IEEE80211_TX_STAT_ACK = BIT(21), - IEEE80211_TX_STAT_AMPDU = BIT(22), - IEEE80211_TX_STAT_AMPDU_NO_BACK = BIT(23), - IEEE80211_TX_CTL_ASSIGN_SEQ = BIT(24), + IEEE80211_TX_CTL_ASSIGN_SEQ = BIT(1), + IEEE80211_TX_CTL_NO_ACK = BIT(2), + IEEE80211_TX_CTL_CLEAR_PS_FILT = BIT(3), + IEEE80211_TX_CTL_FIRST_FRAGMENT = BIT(4), + IEEE80211_TX_CTL_SEND_AFTER_DTIM = BIT(5), + IEEE80211_TX_CTL_AMPDU = BIT(6), + IEEE80211_TX_CTL_INJECTED = BIT(7), + IEEE80211_TX_STAT_TX_FILTERED = BIT(8), + IEEE80211_TX_STAT_ACK = BIT(9), + IEEE80211_TX_STAT_AMPDU = BIT(10), + IEEE80211_TX_STAT_AMPDU_NO_BACK = BIT(11), + IEEE80211_TX_CTL_RATE_CTRL_PROBE = BIT(12), +}; + +enum mac80211_rate_control_flags { + IEEE80211_TX_RC_USE_RTS_CTS = BIT(0), + IEEE80211_TX_RC_USE_CTS_PROTECT = BIT(1), + IEEE80211_TX_RC_USE_SHORT_PREAMBLE = BIT(2), + + /* rate index is an MCS rate number instead of an index */ + IEEE80211_TX_RC_MCS = BIT(3), + IEEE80211_TX_RC_GREEN_FIELD = BIT(4), + IEEE80211_TX_RC_40_MHZ_WIDTH = BIT(5), + IEEE80211_TX_RC_DUP_DATA = BIT(6), + IEEE80211_TX_RC_SHORT_GI = BIT(7), }; -#define IEEE80211_TX_INFO_DRIVER_DATA_SIZE \ - (sizeof(((struct sk_buff *)0)->cb) - 8) -#define IEEE80211_TX_INFO_DRIVER_DATA_PTRS \ - (IEEE80211_TX_INFO_DRIVER_DATA_SIZE / sizeof(void *)) +/* there are 40 bytes if you don't need the rateset to be kept */ +#define IEEE80211_TX_INFO_DRIVER_DATA_SIZE 40 -/* maximum number of alternate rate retry stages */ -#define IEEE80211_TX_MAX_ALTRATE 3 +/* if you do need the rateset, then you have less space */ +#define IEEE80211_TX_INFO_RATE_DRIVER_DATA_SIZE 24 + +/* maximum number of rate stages */ +#define IEEE80211_TX_MAX_RATES 5 /** - * struct ieee80211_tx_altrate - alternate rate selection/status + * struct ieee80211_tx_rate - rate selection/status + * + * @idx: rate index to attempt to send with + * @flags: rate control flags (&enum mac80211_rate_control_flags) + * @count: number of tries in this rate before going to the next rate * - * @rate_idx: rate index to attempt to send with - * @limit: number of retries before fallback + * A value of -1 for @idx indicates an invalid rate and, if used + * in an array of retry rates, that no more rates should be tried. + * + * When used for transmit status reporting, the driver should + * always report the rate along with the flags it used. */ -struct ieee80211_tx_altrate { - s8 rate_idx; - u8 limit; +struct ieee80211_tx_rate { + s8 idx; + u8 count; + u8 flags; }; /** @@ -310,15 +321,12 @@ struct ieee80211_tx_altrate { * it may be NULL. * * @flags: transmit info flags, defined above - * @band: TBD - * @tx_rate_idx: TBD - * @antenna_sel_tx: TBD + * @band: the band to transmit on (use for checking for races) + * @antenna_sel_tx: antenna to use, 0 for automatic diversity * @control: union for control data * @status: union for status data * @driver_data: array of driver_data pointers * @retry_count: number of retries - * @excessive_retries: set to 1 if the frame was retried many times - * but not acknowledged * @ampdu_ack_len: number of aggregated frames. * relevant only if IEEE80211_TX_STATUS_AMPDU was set. * @ampdu_ack_map: block ack bit map for the aggregation. @@ -329,31 +337,43 @@ struct ieee80211_tx_info { /* common information */ u32 flags; u8 band; - s8 tx_rate_idx; + u8 antenna_sel_tx; - /* 1 byte hole */ + /* 2 byte hole */ union { struct { + union { + /* rate control */ + struct { + struct ieee80211_tx_rate rates[ + IEEE80211_TX_MAX_RATES]; + s8 rts_cts_rate_idx; + }; + /* only needed before rate control */ + unsigned long jiffies; + }; /* NB: vif can be NULL for injected frames */ struct ieee80211_vif *vif; struct ieee80211_key_conf *hw_key; struct ieee80211_sta *sta; - unsigned long jiffies; - s8 rts_cts_rate_idx; - u8 retry_limit; - struct ieee80211_tx_altrate retries[IEEE80211_TX_MAX_ALTRATE]; } control; struct { + struct ieee80211_tx_rate rates[IEEE80211_TX_MAX_RATES]; + u8 ampdu_ack_len; u64 ampdu_ack_map; int ack_signal; - struct ieee80211_tx_altrate retries[IEEE80211_TX_MAX_ALTRATE + 1]; - u8 retry_count; - bool excessive_retries; - u8 ampdu_ack_len; + /* 8 bytes free */ } status; - void *driver_data[IEEE80211_TX_INFO_DRIVER_DATA_PTRS]; + struct { + struct ieee80211_tx_rate driver_rates[ + IEEE80211_TX_MAX_RATES]; + void *rate_driver_data[ + IEEE80211_TX_INFO_RATE_DRIVER_DATA_SIZE / sizeof(void *)]; + }; + void *driver_data[ + IEEE80211_TX_INFO_DRIVER_DATA_SIZE / sizeof(void *)]; }; }; @@ -362,6 +382,41 @@ static inline struct ieee80211_tx_info *IEEE80211_SKB_CB(struct sk_buff *skb) return (struct ieee80211_tx_info *)skb->cb; } +/** + * ieee80211_tx_info_clear_status - clear TX status + * + * @info: The &struct ieee80211_tx_info to be cleared. + * + * When the driver passes an skb back to mac80211, it must report + * a number of things in TX status. This function clears everything + * in the TX status but the rate control information (it does clear + * the count since you need to fill that in anyway). + * + * NOTE: You can only use this function if you do NOT use + * info->driver_data! Use info->rate_driver_data + * instead if you need only the less space that allows. + */ +static inline void +ieee80211_tx_info_clear_status(struct ieee80211_tx_info *info) +{ + int i; + + BUILD_BUG_ON(offsetof(struct ieee80211_tx_info, status.rates) != + offsetof(struct ieee80211_tx_info, control.rates)); + BUILD_BUG_ON(offsetof(struct ieee80211_tx_info, status.rates) != + offsetof(struct ieee80211_tx_info, driver_rates)); + BUILD_BUG_ON(offsetof(struct ieee80211_tx_info, status.rates) != 8); + /* clear the rate counts */ + for (i = 0; i < IEEE80211_TX_MAX_RATES; i++) + info->status.rates[i].count = 0; + + BUILD_BUG_ON( + offsetof(struct ieee80211_tx_info, status.ampdu_ack_len) != 23); + memset(&info->status.ampdu_ack_len, 0, + sizeof(struct ieee80211_tx_info) - + offsetof(struct ieee80211_tx_info, status.ampdu_ack_len)); +} + /** * enum mac80211_rx_flags - receive flags @@ -434,21 +489,48 @@ struct ieee80211_rx_status { * * Flags to define PHY configuration options * - * @IEEE80211_CONF_SHORT_SLOT_TIME: use 802.11g short slot time * @IEEE80211_CONF_RADIOTAP: add radiotap header at receive time (if supported) - * @IEEE80211_CONF_SUPPORT_HT_MODE: use 802.11n HT capabilities (if supported) * @IEEE80211_CONF_PS: Enable 802.11 power save mode */ enum ieee80211_conf_flags { - /* - * TODO: IEEE80211_CONF_SHORT_SLOT_TIME will be removed once drivers - * have been converted to use bss_info_changed() for slot time - * configuration - */ - IEEE80211_CONF_SHORT_SLOT_TIME = (1<<0), - IEEE80211_CONF_RADIOTAP = (1<<1), - IEEE80211_CONF_SUPPORT_HT_MODE = (1<<2), - IEEE80211_CONF_PS = (1<<3), + IEEE80211_CONF_RADIOTAP = (1<<0), + IEEE80211_CONF_PS = (1<<1), +}; + +/* XXX: remove all this once drivers stop trying to use it */ +static inline int __deprecated __IEEE80211_CONF_SHORT_SLOT_TIME(void) +{ + return 0; +} +#define IEEE80211_CONF_SHORT_SLOT_TIME (__IEEE80211_CONF_SHORT_SLOT_TIME()) + +struct ieee80211_ht_conf { + bool enabled; +}; + +/** + * enum ieee80211_conf_changed - denotes which configuration changed + * + * @IEEE80211_CONF_CHANGE_RADIO_ENABLED: the value of radio_enabled changed + * @IEEE80211_CONF_CHANGE_BEACON_INTERVAL: the beacon interval changed + * @IEEE80211_CONF_CHANGE_LISTEN_INTERVAL: the listen interval changed + * @IEEE80211_CONF_CHANGE_RADIOTAP: the radiotap flag changed + * @IEEE80211_CONF_CHANGE_PS: the PS flag changed + * @IEEE80211_CONF_CHANGE_POWER: the TX power changed + * @IEEE80211_CONF_CHANGE_CHANNEL: the channel changed + * @IEEE80211_CONF_CHANGE_RETRY_LIMITS: retry limits changed + * @IEEE80211_CONF_CHANGE_HT: HT configuration changed + */ +enum ieee80211_conf_changed { + IEEE80211_CONF_CHANGE_RADIO_ENABLED = BIT(0), + IEEE80211_CONF_CHANGE_BEACON_INTERVAL = BIT(1), + IEEE80211_CONF_CHANGE_LISTEN_INTERVAL = BIT(2), + IEEE80211_CONF_CHANGE_RADIOTAP = BIT(3), + IEEE80211_CONF_CHANGE_PS = BIT(4), + IEEE80211_CONF_CHANGE_POWER = BIT(5), + IEEE80211_CONF_CHANGE_CHANNEL = BIT(6), + IEEE80211_CONF_CHANGE_RETRY_LIMITS = BIT(7), + IEEE80211_CONF_CHANGE_HT = BIT(8), }; /** @@ -457,34 +539,31 @@ enum ieee80211_conf_flags { * This struct indicates how the driver shall configure the hardware. * * @radio_enabled: when zero, driver is required to switch off the radio. - * TODO make a flag * @beacon_int: beacon interval (TODO make interface config) * @listen_interval: listen interval in units of beacon interval * @flags: configuration flags defined above * @power_level: requested transmit power (in dBm) - * @max_antenna_gain: maximum antenna gain (in dBi) - * @antenna_sel_tx: transmit antenna selection, 0: default/diversity, - * 1/2: antenna 0/1 - * @antenna_sel_rx: receive antenna selection, like @antenna_sel_tx - * @ht_conf: describes current self configuration of 802.11n HT capabilies - * @ht_bss_conf: describes current BSS configuration of 802.11n HT parameters * @channel: the channel to tune to + * @ht: the HT configuration for the device + * @long_frame_max_tx_count: Maximum number of transmissions for a "long" frame + * (a frame not RTS protected), called "dot11LongRetryLimit" in 802.11, + * but actually means the number of transmissions not the number of retries + * @short_frame_max_tx_count: Maximum number of transmissions for a "short" + * frame, called "dot11ShortRetryLimit" in 802.11, but actually means the + * number of transmissions not the number of retries */ struct ieee80211_conf { - int radio_enabled; - int beacon_int; - u16 listen_interval; u32 flags; int power_level; - int max_antenna_gain; - u8 antenna_sel_tx; - u8 antenna_sel_rx; - struct ieee80211_channel *channel; + u16 listen_interval; + bool radio_enabled; - struct ieee80211_ht_info ht_conf; - struct ieee80211_ht_bss_info ht_bss_conf; + u8 long_frame_max_tx_count, short_frame_max_tx_count; + + struct ieee80211_channel *channel; + struct ieee80211_ht_conf ht; }; /** @@ -494,11 +573,14 @@ struct ieee80211_conf { * use during the life of a virtual interface. * * @type: type of this virtual interface + * @bss_conf: BSS configuration for this interface, either our own + * or the BSS we're associated to * @drv_priv: data area for driver use, will always be aligned to * sizeof(void *). */ struct ieee80211_vif { enum nl80211_iftype type; + struct ieee80211_bss_conf bss_conf; /* must be last */ u8 drv_priv[0] __attribute__((__aligned__(sizeof(void *)))); }; @@ -542,14 +624,12 @@ struct ieee80211_if_init_conf { * enum ieee80211_if_conf_change - interface config change flags * * @IEEE80211_IFCC_BSSID: The BSSID changed. - * @IEEE80211_IFCC_SSID: The SSID changed. * @IEEE80211_IFCC_BEACON: The beacon for this interface changed * (currently AP and MESH only), use ieee80211_beacon_get(). */ enum ieee80211_if_conf_change { IEEE80211_IFCC_BSSID = BIT(0), - IEEE80211_IFCC_SSID = BIT(1), - IEEE80211_IFCC_BEACON = BIT(2), + IEEE80211_IFCC_BEACON = BIT(1), }; /** @@ -557,11 +637,6 @@ enum ieee80211_if_conf_change { * * @changed: parameters that have changed, see &enum ieee80211_if_conf_change. * @bssid: BSSID of the network we are associated to/creating. - * @ssid: used (together with @ssid_len) by drivers for hardware that - * generate beacons independently. The pointer is valid only during the - * config_interface() call, so copy the value somewhere if you need - * it. - * @ssid_len: length of the @ssid field. * * This structure is passed to the config_interface() callback of * &struct ieee80211_hw. @@ -569,8 +644,6 @@ enum ieee80211_if_conf_change { struct ieee80211_if_conf { u32 changed; u8 *bssid; - u8 *ssid; - size_t ssid_len; }; /** @@ -677,7 +750,7 @@ enum set_key_cmd { * @addr: MAC address * @aid: AID we assigned to the station if we're an AP * @supp_rates: Bitmap of supported rates (per band) - * @ht_info: HT capabilities of this STA + * @ht_cap: HT capabilities of this STA; restricted to our own TX capabilities * @drv_priv: data area for driver use, will always be aligned to * sizeof(void *), size is determined in hw information. */ @@ -685,7 +758,7 @@ struct ieee80211_sta { u64 supp_rates[IEEE80211_NUM_BANDS]; u8 addr[ETH_ALEN]; u16 aid; - struct ieee80211_ht_info ht_info; + struct ieee80211_sta_ht_cap ht_cap; /* must be last */ u8 drv_priv[0] __attribute__((__aligned__(sizeof(void *)))); @@ -769,6 +842,9 @@ enum ieee80211_tkip_key_type { * @IEEE80211_HW_SPECTRUM_MGMT: * Hardware supports spectrum management defined in 802.11h * Measurement, Channel Switch, Quieting, TPC + * + * @IEEE80211_HW_AMPDU_AGGREGATION: + * Hardware supports 11n A-MPDU aggregation. */ enum ieee80211_hw_flags { IEEE80211_HW_RX_INCLUDES_FCS = 1<<1, @@ -780,6 +856,7 @@ enum ieee80211_hw_flags { IEEE80211_HW_SIGNAL_DBM = 1<<7, IEEE80211_HW_NOISE_DBM = 1<<8, IEEE80211_HW_SPECTRUM_MGMT = 1<<9, + IEEE80211_HW_AMPDU_AGGREGATION = 1<<10, }; /** @@ -838,8 +915,8 @@ enum ieee80211_hw_flags { * @sta_data_size: size (in bytes) of the drv_priv data area * within &struct ieee80211_sta. * - * @max_altrates: maximum number of alternate rate retry stages - * @max_altrate_tries: maximum number of tries for each stage + * @max_rates: maximum number of alternate rate retry stages + * @max_rate_tries: maximum number of tries for each stage */ struct ieee80211_hw { struct ieee80211_conf conf; @@ -856,12 +933,10 @@ struct ieee80211_hw { u16 ampdu_queues; u16 max_listen_interval; s8 max_signal; - u8 max_altrates; - u8 max_altrate_tries; + u8 max_rates; + u8 max_rate_tries; }; -struct ieee80211_hw *wiphy_to_hw(struct wiphy *wiphy); - /** * SET_IEEE80211_DEV - set device for 802.11 hardware * @@ -874,7 +949,7 @@ static inline void SET_IEEE80211_DEV(struct ieee80211_hw *hw, struct device *dev } /** - * SET_IEEE80211_PERM_ADDR - set the permanenet MAC address for 802.11 hardware + * SET_IEEE80211_PERM_ADDR - set the permanent MAC address for 802.11 hardware * * @hw: the &struct ieee80211_hw to set the MAC address for * @addr: the address to set @@ -898,9 +973,9 @@ static inline struct ieee80211_rate * ieee80211_get_tx_rate(const struct ieee80211_hw *hw, const struct ieee80211_tx_info *c) { - if (WARN_ON(c->tx_rate_idx < 0)) + if (WARN_ON(c->control.rates[0].idx < 0)) return NULL; - return &hw->wiphy->bands[c->band]->bitrates[c->tx_rate_idx]; + return &hw->wiphy->bands[c->band]->bitrates[c->control.rates[0].idx]; } static inline struct ieee80211_rate * @@ -916,9 +991,9 @@ static inline struct ieee80211_rate * ieee80211_get_alt_retry_rate(const struct ieee80211_hw *hw, const struct ieee80211_tx_info *c, int idx) { - if (c->control.retries[idx].rate_idx < 0) + if (c->control.rates[idx + 1].idx < 0) return NULL; - return &hw->wiphy->bands[c->band]->bitrates[c->control.retries[idx].rate_idx]; + return &hw->wiphy->bands[c->band]->bitrates[c->control.rates[idx + 1].idx]; } /** @@ -967,7 +1042,7 @@ ieee80211_get_alt_retry_rate(const struct ieee80211_hw *hw, * This happens everytime the iv16 wraps around (every 65536 packets). The * set_key() call will happen only once for each key (unless the AP did * rekeying), it will not include a valid phase 1 key. The valid phase 1 key is - * provided by udpate_tkip_key only. The trigger that makes mac80211 call this + * provided by update_tkip_key only. The trigger that makes mac80211 call this * handler is software decryption with wrap around of iv16. */ @@ -1060,12 +1135,14 @@ enum ieee80211_filter_flags { * @IEEE80211_AMPDU_RX_STOP: stop Rx aggregation * @IEEE80211_AMPDU_TX_START: start Tx aggregation * @IEEE80211_AMPDU_TX_STOP: stop Tx aggregation + * @IEEE80211_AMPDU_TX_RESUME: resume TX aggregation */ enum ieee80211_ampdu_mlme_action { IEEE80211_AMPDU_RX_START, IEEE80211_AMPDU_RX_STOP, IEEE80211_AMPDU_TX_START, IEEE80211_AMPDU_TX_STOP, + IEEE80211_AMPDU_TX_RESUME, }; /** @@ -1101,7 +1178,7 @@ enum ieee80211_ampdu_mlme_action { * Must be implemented. * * @add_interface: Called when a netdevice attached to the hardware is - * enabled. Because it is not called for monitor mode devices, @open + * enabled. Because it is not called for monitor mode devices, @start * and @stop must be implemented. * The driver should perform any initialization it needs before * the device can be enabled. The initial configuration for the @@ -1167,10 +1244,8 @@ enum ieee80211_ampdu_mlme_action { * the device does fragmentation by itself; if this method is assigned then * the stack will not do fragmentation. * - * @set_retry_limit: Configuration of retry limits (if device needs it) - * * @sta_notify: Notifies low level driver about addition or removal - * of assocaited station or AP. + * of associated station or AP. * * @conf_tx: Configure TX queue parameters (EDCF (aifs, cw_min, cw_max), * bursting) for a hardware TX queue. @@ -1211,7 +1286,7 @@ struct ieee80211_ops { struct ieee80211_if_init_conf *conf); void (*remove_interface)(struct ieee80211_hw *hw, struct ieee80211_if_init_conf *conf); - int (*config)(struct ieee80211_hw *hw, struct ieee80211_conf *conf); + int (*config)(struct ieee80211_hw *hw, u32 changed); int (*config_interface)(struct ieee80211_hw *hw, struct ieee80211_vif *vif, struct ieee80211_if_conf *conf); @@ -1238,8 +1313,6 @@ struct ieee80211_ops { u32 *iv32, u16 *iv16); int (*set_rts_threshold)(struct ieee80211_hw *hw, u32 value); int (*set_frag_threshold)(struct ieee80211_hw *hw, u32 value); - int (*set_retry_limit)(struct ieee80211_hw *hw, - u32 short_retry, u32 long_retr); void (*sta_notify)(struct ieee80211_hw *hw, struct ieee80211_vif *vif, enum sta_notify_cmd, struct ieee80211_sta *sta); int (*conf_tx)(struct ieee80211_hw *hw, u16 queue, @@ -1472,7 +1545,7 @@ void ieee80211_tx_status_irqsafe(struct ieee80211_hw *hw, * the next beacon frame from the 802.11 code. The low-level is responsible * for calling this function before beacon data is needed (e.g., based on * hardware interrupt). Returned skb is used only once and low-level driver - * is responsible of freeing it. + * is responsible for freeing it. */ struct sk_buff *ieee80211_beacon_get(struct ieee80211_hw *hw, struct ieee80211_vif *vif); @@ -1803,24 +1876,38 @@ struct ieee80211_sta *ieee80211_find_sta(struct ieee80211_hw *hw, /* Rate control API */ + /** - * struct rate_selection - rate information for/from rate control algorithms - * - * @rate_idx: selected transmission rate index - * @nonerp_idx: Non-ERP rate to use instead if ERP cannot be used - * @probe_idx: rate for probing (or -1) - * @max_rate_idx: maximum rate index that can be used, this is - * input to the algorithm and will be enforced - */ -struct rate_selection { - s8 rate_idx, nonerp_idx, probe_idx, max_rate_idx; + * struct ieee80211_tx_rate_control - rate control information for/from RC algo + * + * @hw: The hardware the algorithm is invoked for. + * @sband: The band this frame is being transmitted on. + * @bss_conf: the current BSS configuration + * @reported_rate: The rate control algorithm can fill this in to indicate + * which rate should be reported to userspace as the current rate and + * used for rate calculations in the mesh network. + * @rts: whether RTS will be used for this frame because it is longer than the + * RTS threshold + * @short_preamble: whether mac80211 will request short-preamble transmission + * if the selected rate supports it + * @max_rate_idx: user-requested maximum rate (not MCS for now) + * @skb: the skb that will be transmitted, the control information in it needs + * to be filled in + */ +struct ieee80211_tx_rate_control { + struct ieee80211_hw *hw; + struct ieee80211_supported_band *sband; + struct ieee80211_bss_conf *bss_conf; + struct sk_buff *skb; + struct ieee80211_tx_rate reported_rate; + bool rts, short_preamble; + u8 max_rate_idx; }; struct rate_control_ops { struct module *module; const char *name; void *(*alloc)(struct ieee80211_hw *hw, struct dentry *debugfsdir); - void (*clear)(void *priv); void (*free)(void *priv); void *(*alloc_sta)(void *priv, struct ieee80211_sta *sta, gfp_t gfp); @@ -1832,10 +1919,8 @@ struct rate_control_ops { void (*tx_status)(void *priv, struct ieee80211_supported_band *sband, struct ieee80211_sta *sta, void *priv_sta, struct sk_buff *skb); - void (*get_rate)(void *priv, struct ieee80211_supported_band *sband, - struct ieee80211_sta *sta, void *priv_sta, - struct sk_buff *skb, - struct rate_selection *sel); + void (*get_rate)(void *priv, struct ieee80211_sta *sta, void *priv_sta, + struct ieee80211_tx_rate_control *txrc); void (*add_sta_debugfs)(void *priv, void *priv_sta, struct dentry *dir); diff --git a/include/net/ndisc.h b/include/net/ndisc.h index 11dd0137c6a5..ce532f2222ce 100644 --- a/include/net/ndisc.h +++ b/include/net/ndisc.h @@ -108,6 +108,20 @@ extern void ndisc_send_redirect(struct sk_buff *skb, extern int ndisc_mc_map(struct in6_addr *addr, char *buf, struct net_device *dev, int dir); +extern struct sk_buff *ndisc_build_skb(struct net_device *dev, + const struct in6_addr *daddr, + const struct in6_addr *saddr, + struct icmp6hdr *icmp6h, + const struct in6_addr *target, + int llinfo); + +extern void ndisc_send_skb(struct sk_buff *skb, + struct net_device *dev, + struct neighbour *neigh, + const struct in6_addr *daddr, + const struct in6_addr *saddr, + struct icmp6hdr *icmp6h); + /* diff --git a/include/net/neighbour.h b/include/net/neighbour.h index aa4b708654a4..d8d790e56d3d 100644 --- a/include/net/neighbour.h +++ b/include/net/neighbour.h @@ -180,9 +180,6 @@ struct neigh_table __u32 hash_rnd; unsigned int hash_chain_gc; struct pneigh_entry **phash_buckets; -#ifdef CONFIG_PROC_FS - struct proc_dir_entry *pde; -#endif }; /* flags for neigh_update() */ @@ -223,11 +220,7 @@ extern void neigh_parms_release(struct neigh_table *tbl, struct neigh_parms *p static inline struct net *neigh_parms_net(const struct neigh_parms *parms) { -#ifdef CONFIG_NET_NS - return parms->net; -#else - return &init_net; -#endif + return read_pnet(&parms->net); } extern unsigned long neigh_rand_reach_time(unsigned long base); @@ -244,11 +237,7 @@ extern int pneigh_delete(struct neigh_table *tbl, struct net *net, const void static inline struct net *pneigh_net(const struct pneigh_entry *pneigh) { -#ifdef CONFIG_NET_NS - return pneigh->net; -#else - return &init_net; -#endif + return read_pnet(&pneigh->net); } extern void neigh_app_ns(struct neighbour *n); diff --git a/include/net/net_namespace.h b/include/net/net_namespace.h index 700c53a3c6fa..319557789a40 100644 --- a/include/net/net_namespace.h +++ b/include/net/net_namespace.h @@ -192,6 +192,24 @@ static inline void release_net(struct net *net) } #endif +#ifdef CONFIG_NET_NS + +static inline void write_pnet(struct net **pnet, struct net *net) +{ + *pnet = net; +} + +static inline struct net *read_pnet(struct net * const *pnet) +{ + return *pnet; +} + +#else + +#define write_pnet(pnet, net) do { (void)(net);} while (0) +#define read_pnet(pnet) (&init_net) + +#endif #define for_each_net(VAR) \ list_for_each_entry(VAR, &net_namespace_list, list) diff --git a/include/net/netfilter/nf_conntrack_tuple.h b/include/net/netfilter/nf_conntrack_tuple.h index a6874ba22d54..f2f6aa73dc10 100644 --- a/include/net/netfilter/nf_conntrack_tuple.h +++ b/include/net/netfilter/nf_conntrack_tuple.h @@ -112,20 +112,20 @@ struct nf_conntrack_tuple_mask static inline void nf_ct_dump_tuple_ip(const struct nf_conntrack_tuple *t) { #ifdef DEBUG - printk("tuple %p: %u " NIPQUAD_FMT ":%hu -> " NIPQUAD_FMT ":%hu\n", + printk("tuple %p: %u %pI4:%hu -> %pI4:%hu\n", t, t->dst.protonum, - NIPQUAD(t->src.u3.ip), ntohs(t->src.u.all), - NIPQUAD(t->dst.u3.ip), ntohs(t->dst.u.all)); + &t->src.u3.ip, ntohs(t->src.u.all), + &t->dst.u3.ip, ntohs(t->dst.u.all)); #endif } static inline void nf_ct_dump_tuple_ipv6(const struct nf_conntrack_tuple *t) { #ifdef DEBUG - printk("tuple %p: %u " NIP6_FMT " %hu -> " NIP6_FMT " %hu\n", + printk("tuple %p: %u %pI6 %hu -> %pI6 %hu\n", t, t->dst.protonum, - NIP6(*(struct in6_addr *)t->src.u3.all), ntohs(t->src.u.all), - NIP6(*(struct in6_addr *)t->dst.u3.all), ntohs(t->dst.u.all)); + t->src.u3.all, ntohs(t->src.u.all), + t->dst.u3.all, ntohs(t->dst.u.all)); #endif } diff --git a/include/net/netlink.h b/include/net/netlink.h index 3643bbb8e585..46b7764f1774 100644 --- a/include/net/netlink.h +++ b/include/net/netlink.h @@ -233,7 +233,7 @@ extern int nla_parse(struct nlattr *tb[], int maxtype, extern struct nlattr * nla_find(struct nlattr *head, int len, int attrtype); extern size_t nla_strlcpy(char *dst, const struct nlattr *nla, size_t dstsize); -extern int nla_memcpy(void *dest, struct nlattr *src, int count); +extern int nla_memcpy(void *dest, const struct nlattr *src, int count); extern int nla_memcmp(const struct nlattr *nla, const void *data, size_t size); extern int nla_strcmp(const struct nlattr *nla, const char *str); @@ -741,7 +741,7 @@ static inline struct nlattr *nla_find_nested(struct nlattr *nla, int attrtype) * See nla_parse() */ static inline int nla_parse_nested(struct nlattr *tb[], int maxtype, - struct nlattr *nla, + const struct nlattr *nla, const struct nla_policy *policy) { return nla_parse(tb, maxtype, nla_data(nla), nla_len(nla), policy); @@ -875,7 +875,7 @@ static inline int nla_put_msecs(struct sk_buff *skb, int attrtype, * nla_get_u32 - return payload of u32 attribute * @nla: u32 netlink attribute */ -static inline u32 nla_get_u32(struct nlattr *nla) +static inline u32 nla_get_u32(const struct nlattr *nla) { return *(u32 *) nla_data(nla); } @@ -884,7 +884,7 @@ static inline u32 nla_get_u32(struct nlattr *nla) * nla_get_be32 - return payload of __be32 attribute * @nla: __be32 netlink attribute */ -static inline __be32 nla_get_be32(struct nlattr *nla) +static inline __be32 nla_get_be32(const struct nlattr *nla) { return *(__be32 *) nla_data(nla); } @@ -893,7 +893,7 @@ static inline __be32 nla_get_be32(struct nlattr *nla) * nla_get_u16 - return payload of u16 attribute * @nla: u16 netlink attribute */ -static inline u16 nla_get_u16(struct nlattr *nla) +static inline u16 nla_get_u16(const struct nlattr *nla) { return *(u16 *) nla_data(nla); } @@ -902,7 +902,7 @@ static inline u16 nla_get_u16(struct nlattr *nla) * nla_get_be16 - return payload of __be16 attribute * @nla: __be16 netlink attribute */ -static inline __be16 nla_get_be16(struct nlattr *nla) +static inline __be16 nla_get_be16(const struct nlattr *nla) { return *(__be16 *) nla_data(nla); } @@ -911,7 +911,7 @@ static inline __be16 nla_get_be16(struct nlattr *nla) * nla_get_le16 - return payload of __le16 attribute * @nla: __le16 netlink attribute */ -static inline __le16 nla_get_le16(struct nlattr *nla) +static inline __le16 nla_get_le16(const struct nlattr *nla) { return *(__le16 *) nla_data(nla); } @@ -920,7 +920,7 @@ static inline __le16 nla_get_le16(struct nlattr *nla) * nla_get_u8 - return payload of u8 attribute * @nla: u8 netlink attribute */ -static inline u8 nla_get_u8(struct nlattr *nla) +static inline u8 nla_get_u8(const struct nlattr *nla) { return *(u8 *) nla_data(nla); } @@ -929,7 +929,7 @@ static inline u8 nla_get_u8(struct nlattr *nla) * nla_get_u64 - return payload of u64 attribute * @nla: u64 netlink attribute */ -static inline u64 nla_get_u64(struct nlattr *nla) +static inline u64 nla_get_u64(const struct nlattr *nla) { u64 tmp; @@ -942,7 +942,7 @@ static inline u64 nla_get_u64(struct nlattr *nla) * nla_get_flag - return payload of flag attribute * @nla: flag netlink attribute */ -static inline int nla_get_flag(struct nlattr *nla) +static inline int nla_get_flag(const struct nlattr *nla) { return !!nla; } @@ -953,7 +953,7 @@ static inline int nla_get_flag(struct nlattr *nla) * * Returns the number of milliseconds in jiffies. */ -static inline unsigned long nla_get_msecs(struct nlattr *nla) +static inline unsigned long nla_get_msecs(const struct nlattr *nla) { u64 msecs = nla_get_u64(nla); diff --git a/include/net/netns/ipv4.h b/include/net/netns/ipv4.h index ece1c926b5d1..977f482d97a9 100644 --- a/include/net/netns/ipv4.h +++ b/include/net/netns/ipv4.h @@ -49,6 +49,8 @@ struct netns_ipv4 { int sysctl_icmp_ratelimit; int sysctl_icmp_ratemask; int sysctl_icmp_errors_use_inbound_ifaddr; + int sysctl_rt_cache_rebuild_count; + int current_rt_cache_rebuild_count; struct timer_list rt_secret_timer; atomic_t rt_genid; diff --git a/include/net/pkt_cls.h b/include/net/pkt_cls.h index aa9e282db485..d1ca31444644 100644 --- a/include/net/pkt_cls.h +++ b/include/net/pkt_cls.h @@ -246,7 +246,7 @@ struct tcf_ematch_ops }; extern int tcf_em_register(struct tcf_ematch_ops *); -extern int tcf_em_unregister(struct tcf_ematch_ops *); +extern void tcf_em_unregister(struct tcf_ematch_ops *); extern int tcf_em_tree_validate(struct tcf_proto *, struct nlattr *, struct tcf_ematch_tree *); extern void tcf_em_tree_destroy(struct tcf_proto *, struct tcf_ematch_tree *); diff --git a/include/net/sch_generic.h b/include/net/sch_generic.h index 3fe49d808957..f8c47429044a 100644 --- a/include/net/sch_generic.h +++ b/include/net/sch_generic.h @@ -53,7 +53,6 @@ struct Qdisc atomic_t refcnt; unsigned long state; struct sk_buff *gso_skb; - struct sk_buff_head requeue; struct sk_buff_head q; struct netdev_queue *dev_queue; struct Qdisc *next_sched; @@ -111,7 +110,7 @@ struct Qdisc_ops int (*enqueue)(struct sk_buff *, struct Qdisc *); struct sk_buff * (*dequeue)(struct Qdisc *); - int (*requeue)(struct sk_buff *, struct Qdisc *); + struct sk_buff * (*peek)(struct Qdisc *); unsigned int (*drop)(struct Qdisc *); int (*init)(struct Qdisc *, struct nlattr *arg); @@ -432,19 +431,38 @@ static inline struct sk_buff *qdisc_dequeue_tail(struct Qdisc *sch) return __qdisc_dequeue_tail(sch, &sch->q); } -static inline int __qdisc_requeue(struct sk_buff *skb, struct Qdisc *sch, - struct sk_buff_head *list) +static inline struct sk_buff *qdisc_peek_head(struct Qdisc *sch) { - __skb_queue_head(list, skb); - sch->qstats.backlog += qdisc_pkt_len(skb); - sch->qstats.requeues++; + return skb_peek(&sch->q); +} - return NET_XMIT_SUCCESS; +/* generic pseudo peek method for non-work-conserving qdisc */ +static inline struct sk_buff *qdisc_peek_dequeued(struct Qdisc *sch) +{ + /* we can reuse ->gso_skb because peek isn't called for root qdiscs */ + if (!sch->gso_skb) { + sch->gso_skb = sch->dequeue(sch); + if (sch->gso_skb) + /* it's still part of the queue */ + sch->q.qlen++; + } + + return sch->gso_skb; } -static inline int qdisc_requeue(struct sk_buff *skb, struct Qdisc *sch) +/* use instead of qdisc->dequeue() for all qdiscs queried with ->peek() */ +static inline struct sk_buff *qdisc_dequeue_peeked(struct Qdisc *sch) { - return __qdisc_requeue(skb, sch, &sch->q); + struct sk_buff *skb = sch->gso_skb; + + if (skb) { + sch->gso_skb = NULL; + sch->q.qlen--; + } else { + skb = sch->dequeue(sch); + } + + return skb; } static inline void __qdisc_reset_queue(struct Qdisc *sch, diff --git a/include/net/sctp/sctp.h b/include/net/sctp/sctp.h index ed71b110edf7..23797506f593 100644 --- a/include/net/sctp/sctp.h +++ b/include/net/sctp/sctp.h @@ -285,15 +285,15 @@ extern int sctp_debug_flag; if (sctp_debug_flag) { \ if (saddr->sa.sa_family == AF_INET6) { \ printk(KERN_DEBUG \ - lead NIP6_FMT trail, \ + lead "%pI6" trail, \ leadparm, \ - NIP6(saddr->v6.sin6_addr), \ + &saddr->v6.sin6_addr, \ otherparms); \ } else { \ printk(KERN_DEBUG \ - lead NIPQUAD_FMT trail, \ + lead "%pI4" trail, \ leadparm, \ - NIPQUAD(saddr->v4.sin_addr.s_addr), \ + &saddr->v4.sin_addr.s_addr, \ otherparms); \ } \ } diff --git a/include/net/sock.h b/include/net/sock.h index 2f47107f6d0f..00cd486d362f 100644 --- a/include/net/sock.h +++ b/include/net/sock.h @@ -42,6 +42,7 @@ #include <linux/kernel.h> #include <linux/list.h> +#include <linux/list_nulls.h> #include <linux/timer.h> #include <linux/cache.h> #include <linux/module.h> @@ -52,6 +53,7 @@ #include <linux/security.h> #include <linux/filter.h> +#include <linux/rculist_nulls.h> #include <asm/atomic.h> #include <net/dst.h> @@ -106,6 +108,7 @@ struct net; * @skc_reuse: %SO_REUSEADDR setting * @skc_bound_dev_if: bound device index if != 0 * @skc_node: main hash linkage for various protocol lookup tables + * @skc_nulls_node: main hash linkage for UDP/UDP-Lite protocol * @skc_bind_node: bind hash linkage for various protocol lookup tables * @skc_refcnt: reference count * @skc_hash: hash value used with various protocol lookup tables @@ -120,7 +123,10 @@ struct sock_common { volatile unsigned char skc_state; unsigned char skc_reuse; int skc_bound_dev_if; - struct hlist_node skc_node; + union { + struct hlist_node skc_node; + struct hlist_nulls_node skc_nulls_node; + }; struct hlist_node skc_bind_node; atomic_t skc_refcnt; unsigned int skc_hash; @@ -206,6 +212,7 @@ struct sock { #define sk_reuse __sk_common.skc_reuse #define sk_bound_dev_if __sk_common.skc_bound_dev_if #define sk_node __sk_common.skc_node +#define sk_nulls_node __sk_common.skc_nulls_node #define sk_bind_node __sk_common.skc_bind_node #define sk_refcnt __sk_common.skc_refcnt #define sk_hash __sk_common.skc_hash @@ -229,7 +236,9 @@ struct sock { } sk_backlog; wait_queue_head_t *sk_sleep; struct dst_entry *sk_dst_cache; +#ifdef CONFIG_XFRM struct xfrm_policy *sk_policy[2]; +#endif rwlock_t sk_dst_lock; atomic_t sk_rmem_alloc; atomic_t sk_wmem_alloc; @@ -237,7 +246,9 @@ struct sock { int sk_sndbuf; struct sk_buff_head sk_receive_queue; struct sk_buff_head sk_write_queue; +#ifdef CONFIG_NET_DMA struct sk_buff_head sk_async_wait_queue; +#endif int sk_wmem_queued; int sk_forward_alloc; gfp_t sk_allocation; @@ -269,7 +280,9 @@ struct sock { struct sk_buff *sk_send_head; __u32 sk_sndmsg_off; int sk_write_pending; +#ifdef CONFIG_SECURITY void *sk_security; +#endif __u32 sk_mark; /* XXX 4 bytes hole on 64 bit */ void (*sk_state_change)(struct sock *sk); @@ -294,12 +307,30 @@ static inline struct sock *sk_head(const struct hlist_head *head) return hlist_empty(head) ? NULL : __sk_head(head); } +static inline struct sock *__sk_nulls_head(const struct hlist_nulls_head *head) +{ + return hlist_nulls_entry(head->first, struct sock, sk_nulls_node); +} + +static inline struct sock *sk_nulls_head(const struct hlist_nulls_head *head) +{ + return hlist_nulls_empty(head) ? NULL : __sk_nulls_head(head); +} + static inline struct sock *sk_next(const struct sock *sk) { return sk->sk_node.next ? hlist_entry(sk->sk_node.next, struct sock, sk_node) : NULL; } +static inline struct sock *sk_nulls_next(const struct sock *sk) +{ + return (!is_a_nulls(sk->sk_nulls_node.next)) ? + hlist_nulls_entry(sk->sk_nulls_node.next, + struct sock, sk_nulls_node) : + NULL; +} + static inline int sk_unhashed(const struct sock *sk) { return hlist_unhashed(&sk->sk_node); @@ -315,6 +346,11 @@ static __inline__ void sk_node_init(struct hlist_node *node) node->pprev = NULL; } +static __inline__ void sk_nulls_node_init(struct hlist_nulls_node *node) +{ + node->pprev = NULL; +} + static __inline__ void __sk_del_node(struct sock *sk) { __hlist_del(&sk->sk_node); @@ -361,6 +397,27 @@ static __inline__ int sk_del_node_init(struct sock *sk) return rc; } +static __inline__ int __sk_nulls_del_node_init_rcu(struct sock *sk) +{ + if (sk_hashed(sk)) { + hlist_nulls_del_init_rcu(&sk->sk_nulls_node); + return 1; + } + return 0; +} + +static __inline__ int sk_nulls_del_node_init_rcu(struct sock *sk) +{ + int rc = __sk_nulls_del_node_init_rcu(sk); + + if (rc) { + /* paranoid for a while -acme */ + WARN_ON(atomic_read(&sk->sk_refcnt) == 1); + __sock_put(sk); + } + return rc; +} + static __inline__ void __sk_add_node(struct sock *sk, struct hlist_head *list) { hlist_add_head(&sk->sk_node, list); @@ -372,6 +429,17 @@ static __inline__ void sk_add_node(struct sock *sk, struct hlist_head *list) __sk_add_node(sk, list); } +static __inline__ void __sk_nulls_add_node_rcu(struct sock *sk, struct hlist_nulls_head *list) +{ + hlist_nulls_add_head_rcu(&sk->sk_nulls_node, list); +} + +static __inline__ void sk_nulls_add_node_rcu(struct sock *sk, struct hlist_nulls_head *list) +{ + sock_hold(sk); + __sk_nulls_add_node_rcu(sk, list); +} + static __inline__ void __sk_del_bind_node(struct sock *sk) { __hlist_del(&sk->sk_bind_node); @@ -385,9 +453,16 @@ static __inline__ void sk_add_bind_node(struct sock *sk, #define sk_for_each(__sk, node, list) \ hlist_for_each_entry(__sk, node, list, sk_node) +#define sk_nulls_for_each(__sk, node, list) \ + hlist_nulls_for_each_entry(__sk, node, list, sk_nulls_node) +#define sk_nulls_for_each_rcu(__sk, node, list) \ + hlist_nulls_for_each_entry_rcu(__sk, node, list, sk_nulls_node) #define sk_for_each_from(__sk, node) \ if (__sk && ({ node = &(__sk)->sk_node; 1; })) \ hlist_for_each_entry_from(__sk, node, sk_node) +#define sk_nulls_for_each_from(__sk, node) \ + if (__sk && ({ node = &(__sk)->sk_nulls_node; 1; })) \ + hlist_nulls_for_each_entry_from(__sk, node, sk_nulls_node) #define sk_for_each_continue(__sk, node) \ if (__sk && ({ node = &(__sk)->sk_node; 1; })) \ hlist_for_each_entry_continue(__sk, node, sk_node) @@ -587,8 +662,9 @@ struct proto { int *sysctl_rmem; int max_header; - struct kmem_cache *slab; + struct kmem_cache *slab; unsigned int obj_size; + int slab_flags; atomic_t *orphan_count; @@ -597,7 +673,7 @@ struct proto { union { struct inet_hashinfo *hashinfo; - struct hlist_head *udp_hash; + struct udp_table *udp_table; struct raw_hashinfo *raw_hash; } h; diff --git a/include/net/tcp.h b/include/net/tcp.h index 438014d57610..8f26b28fb407 100644 --- a/include/net/tcp.h +++ b/include/net/tcp.h @@ -590,7 +590,6 @@ struct tcp_skb_cb { #define TCPCB_EVER_RETRANS 0x80 /* Ever retransmitted frame */ #define TCPCB_RETRANS (TCPCB_SACKED_RETRANS|TCPCB_EVER_RETRANS) - __u16 urg_ptr; /* Valid w/URG flags is set. */ __u32 ack_seq; /* Sequence number ACK'd */ }; diff --git a/include/net/udp.h b/include/net/udp.h index 1e205095ea68..90e6ce56be65 100644 --- a/include/net/udp.h +++ b/include/net/udp.h @@ -50,8 +50,15 @@ struct udp_skb_cb { }; #define UDP_SKB_CB(__skb) ((struct udp_skb_cb *)((__skb)->cb)) -extern struct hlist_head udp_hash[UDP_HTABLE_SIZE]; -extern rwlock_t udp_hash_lock; +struct udp_hslot { + struct hlist_nulls_head head; + spinlock_t lock; +} __attribute__((aligned(2 * sizeof(long)))); +struct udp_table { + struct udp_hslot hash[UDP_HTABLE_SIZE]; +}; +extern struct udp_table udp_table; +extern void udp_table_init(struct udp_table *); /* Note: this must match 'valbool' in sock_setsockopt */ @@ -110,15 +117,7 @@ static inline void udp_lib_hash(struct sock *sk) BUG(); } -static inline void udp_lib_unhash(struct sock *sk) -{ - write_lock_bh(&udp_hash_lock); - if (sk_del_node_init(sk)) { - inet_sk(sk)->num = 0; - sock_prot_inuse_add(sock_net(sk), sk->sk_prot, -1); - } - write_unlock_bh(&udp_hash_lock); -} +extern void udp_lib_unhash(struct sock *sk); static inline void udp_lib_close(struct sock *sk, long timeout) { @@ -187,7 +186,7 @@ extern struct sock *udp4_lib_lookup(struct net *net, __be32 saddr, __be16 sport, struct udp_seq_afinfo { char *name; sa_family_t family; - struct hlist_head *hashtable; + struct udp_table *udp_table; struct file_operations seq_fops; struct seq_operations seq_ops; }; @@ -196,7 +195,7 @@ struct udp_iter_state { struct seq_net_private p; sa_family_t family; int bucket; - struct hlist_head *hashtable; + struct udp_table *udp_table; }; #ifdef CONFIG_PROC_FS diff --git a/include/net/udplite.h b/include/net/udplite.h index b76b2e377af4..afdffe607b24 100644 --- a/include/net/udplite.h +++ b/include/net/udplite.h @@ -11,7 +11,7 @@ #define UDPLITE_RECV_CSCOV 11 /* receiver partial coverage (threshold ) */ extern struct proto udplite_prot; -extern struct hlist_head udplite_hash[UDP_HTABLE_SIZE]; +extern struct udp_table udplite_table; /* * Checksum computation is all in software, hence simpler getfrag. diff --git a/include/net/wireless.h b/include/net/wireless.h index 721efb363db7..412351560b76 100644 --- a/include/net/wireless.h +++ b/include/net/wireless.h @@ -10,6 +10,7 @@ #include <linux/netdevice.h> #include <linux/debugfs.h> #include <linux/list.h> +#include <linux/ieee80211.h> #include <net/cfg80211.h> /** @@ -133,23 +134,23 @@ struct ieee80211_rate { }; /** - * struct ieee80211_ht_info - describing STA's HT capabilities + * struct ieee80211_sta_ht_cap - STA's HT capabilities * * This structure describes most essential parameters needed * to describe 802.11n HT capabilities for an STA. * - * @ht_supported: is HT supported by STA, 0: no, 1: yes + * @ht_supported: is HT supported by the STA * @cap: HT capabilities map as described in 802.11n spec * @ampdu_factor: Maximum A-MPDU length factor * @ampdu_density: Minimum A-MPDU spacing - * @supp_mcs_set: Supported MCS set as described in 802.11n spec + * @mcs: Supported MCS rates */ -struct ieee80211_ht_info { +struct ieee80211_sta_ht_cap { u16 cap; /* use IEEE80211_HT_CAP_ */ - u8 ht_supported; + bool ht_supported; u8 ampdu_factor; u8 ampdu_density; - u8 supp_mcs_set[16]; + struct ieee80211_mcs_info mcs; }; /** @@ -173,7 +174,7 @@ struct ieee80211_supported_band { enum ieee80211_band band; int n_channels; int n_bitrates; - struct ieee80211_ht_info ht_info; + struct ieee80211_sta_ht_cap ht_cap; }; /** @@ -262,9 +263,9 @@ static inline struct device *wiphy_dev(struct wiphy *wiphy) /** * wiphy_name - get wiphy name */ -static inline char *wiphy_name(struct wiphy *wiphy) +static inline const char *wiphy_name(struct wiphy *wiphy) { - return wiphy->dev.bus_id; + return dev_name(&wiphy->dev); } /** @@ -340,55 +341,36 @@ ieee80211_get_channel(struct wiphy *wiphy, int freq) } /** - * __regulatory_hint - hint to the wireless core a regulatory domain - * @wiphy: if a driver is providing the hint this is the driver's very - * own &struct wiphy - * @alpha2: the ISO/IEC 3166 alpha2 being claimed the regulatory domain - * should be in. If @rd is set this should be NULL - * @rd: a complete regulatory domain, if passed the caller need not worry - * about freeing it + * ieee80211_get_response_rate - get basic rate for a given rate * - * The Wireless subsystem can use this function to hint to the wireless core - * what it believes should be the current regulatory domain by - * giving it an ISO/IEC 3166 alpha2 country code it knows its regulatory - * domain should be in or by providing a completely build regulatory domain. - * - * Returns -EALREADY if *a regulatory domain* has already been set. Note that - * this could be by another driver. It is safe for drivers to continue if - * -EALREADY is returned, if drivers are not capable of world roaming they - * should not register more channels than they support. Right now we only - * support listening to the first driver hint. If the driver is capable - * of world roaming but wants to respect its own EEPROM mappings for - * specific regulatory domains it should register the @reg_notifier callback - * on the &struct wiphy. Returns 0 if the hint went through fine or through an - * intersection operation. Otherwise a standard error code is returned. + * @sband: the band to look for rates in + * @basic_rates: bitmap of basic rates + * @bitrate: the bitrate for which to find the basic rate * + * This function returns the basic rate corresponding to a given + * bitrate, that is the next lower bitrate contained in the basic + * rate map, which is, for this function, given as a bitmap of + * indices of rates in the band's bitrate table. */ -extern int __regulatory_hint(struct wiphy *wiphy, enum reg_set_by set_by, - const char *alpha2, struct ieee80211_regdomain *rd); +struct ieee80211_rate * +ieee80211_get_response_rate(struct ieee80211_supported_band *sband, + u64 basic_rates, int bitrate); + /** * regulatory_hint - driver hint to the wireless core a regulatory domain - * @wiphy: the driver's very own &struct wiphy + * @wiphy: the wireless device giving the hint (used only for reporting + * conflicts) * @alpha2: the ISO/IEC 3166 alpha2 the driver claims its regulatory domain * should be in. If @rd is set this should be NULL. Note that if you * set this to NULL you should still set rd->alpha2 to some accepted * alpha2. - * @rd: a complete regulatory domain provided by the driver. If passed - * the driver does not need to worry about freeing it. * * Wireless drivers can use this function to hint to the wireless core * what it believes should be the current regulatory domain by * giving it an ISO/IEC 3166 alpha2 country code it knows its regulatory * domain should be in or by providing a completely build regulatory domain. * If the driver provides an ISO/IEC 3166 alpha2 userspace will be queried - * for a regulatory domain structure for the respective country. If - * a regulatory domain is build and passed you should set the alpha2 - * if possible, otherwise set it to the special value of "99" which tells - * the wireless core it is unknown. If you pass a built regulatory domain - * and we return non zero you are in charge of kfree()'ing the structure. - * - * See __regulatory_hint() documentation for possible return values. + * for a regulatory domain structure for the respective country. */ -extern int regulatory_hint(struct wiphy *wiphy, - const char *alpha2, struct ieee80211_regdomain *rd); +extern void regulatory_hint(struct wiphy *wiphy, const char *alpha2); #endif /* __NET_WIRELESS_H */ diff --git a/include/net/xfrm.h b/include/net/xfrm.h index 11c890ad8ebb..45e11b3631e4 100644 --- a/include/net/xfrm.h +++ b/include/net/xfrm.h @@ -467,7 +467,6 @@ struct xfrm_policy_walk { struct xfrm_policy { - struct xfrm_policy *next; struct hlist_node bydst; struct hlist_node byidx; @@ -882,6 +881,7 @@ struct xfrm_dst u32 path_cookie; }; +#ifdef CONFIG_XFRM static inline void xfrm_dst_destroy(struct xfrm_dst *xdst) { dst_release(xdst->route); @@ -894,6 +894,7 @@ static inline void xfrm_dst_destroy(struct xfrm_dst *xdst) xdst->partner = NULL; #endif } +#endif extern void xfrm_dst_ifdown(struct dst_entry *dst, struct net_device *dev); @@ -1536,9 +1537,11 @@ static inline void xfrm_states_delete(struct xfrm_state **states, int n) } #endif +#ifdef CONFIG_XFRM static inline struct xfrm_state *xfrm_input_state(struct sk_buff *skb) { return skb->sp->xvec[skb->sp->len - 1]; } +#endif #endif /* _NET_XFRM_H */ |