diff options
Diffstat (limited to 'include/net/sctp/structs.h')
| -rw-r--r-- | include/net/sctp/structs.h | 143 |
1 files changed, 55 insertions, 88 deletions
diff --git a/include/net/sctp/structs.h b/include/net/sctp/structs.h index fdeb85a970f..f38588bf346 100644 --- a/include/net/sctp/structs.h +++ b/include/net/sctp/structs.h @@ -19,16 +19,12 @@ * See the GNU General Public License for more details. * * You should have received a copy of the GNU General Public License - * along with GNU CC; see the file COPYING. If not, write to - * the Free Software Foundation, 59 Temple Place - Suite 330, - * Boston, MA 02111-1307, USA. + * along with GNU CC; see the file COPYING. If not, see + * <http://www.gnu.org/licenses/>. * * Please send any bug reports or fixes you make to the * email addresses: - * lksctp developers <lksctp-developers@lists.sourceforge.net> - * - * Or submit a bug report through the following website: - * http://www.sf.net/projects/lksctp + * lksctp developers <linux-sctp@vger.kernel.org> * * Written or modified by: * Randall Stewart <randall@sctp.chicago.il.us> @@ -46,15 +42,12 @@ * Ryan Layer <rmlayer@us.ibm.com> * Anup Pemmaiah <pemmaiah@cc.usu.edu> * Kevin Gao <kevin.gao@intel.com> - * - * Any bugs reported given to us we will try to fix... any fixes shared will - * be incorporated into the next SCTP release. */ #ifndef __sctp_structs_h__ #define __sctp_structs_h__ -#include <linux/time.h> /* We get struct timespec. */ +#include <linux/ktime.h> #include <linux/socket.h> /* linux/in.h needs this!! */ #include <linux/in.h> /* We get struct sockaddr_in. */ #include <linux/in6.h> /* We get struct in6_addr */ @@ -119,29 +112,27 @@ struct sctp_hashbucket { /* The SCTP globals structure. */ extern struct sctp_globals { - /* The following variables are implementation specific. */ - - /* Default initialization values to be applied to new associations. */ - __u16 max_instreams; - __u16 max_outstreams; - /* This is a list of groups of functions for each address * family that we support. */ struct list_head address_families; /* This is the hash of all endpoints. */ - int ep_hashsize; struct sctp_hashbucket *ep_hashtable; - /* This is the hash of all associations. */ - int assoc_hashsize; struct sctp_hashbucket *assoc_hashtable; - /* This is the sctp port control hash. */ - int port_hashsize; struct sctp_bind_hashbucket *port_hashtable; + /* Sizes of above hashtables. */ + int ep_hashsize; + int assoc_hashsize; + int port_hashsize; + + /* Default initialization values to be applied to new associations. */ + __u16 max_instreams; + __u16 max_outstreams; + /* Flag to indicate whether computing and verifying checksum * is disabled. */ bool checksum_disable; @@ -284,7 +275,7 @@ struct sctp_cookie { __u32 peer_ttag; /* When does this cookie expire? */ - struct timeval expiration; + ktime_t expiration; /* Number of inbound/outbound streams which are set * and negotiated during the INIT process. @@ -399,7 +390,6 @@ struct sctp_stream { struct sctp_ssnmap { struct sctp_stream in; struct sctp_stream out; - int malloced; }; struct sctp_ssnmap *sctp_ssnmap_new(__u16 in, __u16 out, @@ -638,6 +628,7 @@ struct sctp_chunk { #define SCTP_NEED_FRTX 0x1 #define SCTP_DONT_FRTX 0x2 __u16 rtt_in_progress:1, /* This chunk used for RTT calc? */ + resent:1, /* Has this chunk ever been resent. */ has_tsn:1, /* Does this chunk have a TSN yet? */ has_ssn:1, /* Does this chunk have a SSN yet? */ singleton:1, /* Only chunk in the packet? */ @@ -658,7 +649,6 @@ int sctp_user_addto_chunk(struct sctp_chunk *chunk, int off, int len, struct iovec *data); void sctp_chunk_free(struct sctp_chunk *); void *sctp_addto_chunk(struct sctp_chunk *, int len, const void *data); -void *sctp_addto_chunk_fixed(struct sctp_chunk *, int len, const void *data); struct sctp_chunk *sctp_chunkify(struct sk_buff *, const struct sctp_association *, struct sock *); @@ -715,8 +705,7 @@ struct sctp_packet { has_sack:1, /* This packet contains a SACK chunk. */ has_auth:1, /* This packet contains an AUTH chunk */ has_data:1, /* This packet contains at least 1 DATA chunk */ - ipfragok:1, /* So let ip fragment this packet */ - malloced:1; /* Is it malloced? */ + ipfragok:1; /* So let ip fragment this packet */ }; struct sctp_packet *sctp_packet_init(struct sctp_packet *, @@ -780,13 +769,11 @@ struct sctp_transport { hb_sent:1, /* Is the Path MTU update pending on this tranport */ - pmtu_pending:1, - - /* Is this structure kfree()able? */ - malloced:1; + pmtu_pending:1; /* Has this transport moved the ctsn since we last sacked */ __u32 sack_generation; + u32 dst_cookie; struct flowi fl; @@ -851,10 +838,10 @@ struct sctp_transport { unsigned long sackdelay; __u32 sackfreq; - /* When was the last time (in jiffies) that we heard from this - * transport? We use this to pick new active and retran paths. + /* When was the last time that we heard from this transport? We use + * this to pick new active and retran paths. */ - unsigned long last_time_heard; + ktime_t last_time_heard; /* Last time(in jiffies) when cwnd is reduced due to the congestion * indication based on ECNE chunk. @@ -992,8 +979,6 @@ struct sctp_inq { * messages. */ struct work_struct immediate; - - int malloced; /* Is this structure kfree()able? */ }; void sctp_inq_init(struct sctp_inq *); @@ -1059,12 +1044,6 @@ struct sctp_outq { /* Corked? */ char cork; - - /* Is this structure empty? */ - char empty; - - /* Are we kfree()able? */ - char malloced; }; void sctp_outq_init(struct sctp_association *, struct sctp_outq *); @@ -1102,8 +1081,6 @@ struct sctp_bind_addr { * peer(s) in INIT and INIT ACK chunks. */ struct list_head address_list; - - int malloced; /* Are we kfree()able? */ }; void sctp_bind_addr_init(struct sctp_bind_addr *, __u16 port); @@ -1174,11 +1151,9 @@ struct sctp_ep_common { /* Some fields to help us manage this object. * refcnt - Reference count access to this object. * dead - Do not attempt to use this object. - * malloced - Do we need to kfree this object? */ atomic_t refcnt; - char dead; - char malloced; + bool dead; /* What socket does this endpoint belong to? */ struct sock *sk; @@ -1236,10 +1211,7 @@ struct sctp_endpoint { * Discussion in [RFC1750] can be helpful in * selection of the key. */ - __u8 secret_key[SCTP_HOW_MANY_SECRETS][SCTP_SECRET_SIZE]; - int current_key; - int last_key; - int key_changed_at; + __u8 secret_key[SCTP_SECRET_SIZE]; /* digest: This is a digest of the sctp cookie. This field is * only used on the receive path when we try to validate @@ -1269,6 +1241,7 @@ struct sctp_endpoint { /* SCTP-AUTH: endpoint shared keys */ struct list_head endpoint_shared_keys; __u16 active_key_id; + __u8 auth_enable; }; /* Recover the outter endpoint structure. */ @@ -1297,7 +1270,8 @@ struct sctp_endpoint *sctp_endpoint_is_match(struct sctp_endpoint *, int sctp_has_association(struct net *net, const union sctp_addr *laddr, const union sctp_addr *paddr); -int sctp_verify_init(struct net *net, const struct sctp_association *asoc, +int sctp_verify_init(struct net *net, const struct sctp_endpoint *ep, + const struct sctp_association *asoc, sctp_cid_t, sctp_init_chunk_t *peer_init, struct sctp_chunk *chunk, struct sctp_chunk **err_chunk); int sctp_process_init(struct sctp_association *, struct sctp_chunk *chunk, @@ -1384,12 +1358,6 @@ struct sctp_association { /* This is all information about our peer. */ struct { - /* rwnd - * - * Peer Rwnd : Current calculated value of the peer's rwnd. - */ - __u32 rwnd; - /* transport_addr_list * * Peer : A list of SCTP transport addresses that the @@ -1407,6 +1375,12 @@ struct sctp_association { */ struct list_head transport_addr_list; + /* rwnd + * + * Peer Rwnd : Current calculated value of the peer's rwnd. + */ + __u32 rwnd; + /* transport_count * * Peer : A count of the number of peer addresses @@ -1489,6 +1463,20 @@ struct sctp_association { */ struct sctp_tsnmap tsn_map; + /* This mask is used to disable sending the ASCONF chunk + * with specified parameter to peer. + */ + __be16 addip_disabled_mask; + + /* These are capabilities which our peer advertised. */ + __u8 ecn_capable:1, /* Can peer do ECN? */ + ipv4_address:1, /* Peer understands IPv4 addresses? */ + ipv6_address:1, /* Peer understands IPv6 addresses? */ + hostname_address:1, /* Peer understands DNS addresses? */ + asconf_capable:1, /* Does peer support ADDIP? */ + prsctp_capable:1, /* Can peer do PR-SCTP? */ + auth_capable:1; /* Is peer doing SCTP-AUTH? */ + /* Ack State : This flag indicates if the next received * : packet is to be responded to with a * : SACK. This is initializedto 0. When a packet @@ -1503,25 +1491,11 @@ struct sctp_association { __u32 sack_cnt; __u32 sack_generation; - /* These are capabilities which our peer advertised. */ - __u8 ecn_capable:1, /* Can peer do ECN? */ - ipv4_address:1, /* Peer understands IPv4 addresses? */ - ipv6_address:1, /* Peer understands IPv6 addresses? */ - hostname_address:1, /* Peer understands DNS addresses? */ - asconf_capable:1, /* Does peer support ADDIP? */ - prsctp_capable:1, /* Can peer do PR-SCTP? */ - auth_capable:1; /* Is peer doing SCTP-AUTH? */ - __u32 adaptation_ind; /* Adaptation Code point. */ - /* This mask is used to disable sending the ASCONF chunk - * with specified parameter to peer. - */ - __be16 addip_disabled_mask; - struct sctp_inithdr_host i; - int cookie_len; void *cookie; + int cookie_len; /* ADDIP Section 4.2 Upon reception of an ASCONF Chunk. * C1) ... "Peer-Serial-Number'. This value MUST be initialized to the @@ -1553,14 +1527,14 @@ struct sctp_association { */ sctp_state_t state; - /* The cookie life I award for any cookie. */ - struct timeval cookie_life; - /* Overall : The overall association error count. * Error Count : [Clear this any time I get something.] */ int overall_error_count; + /* The cookie life I award for any cookie. */ + ktime_t cookie_life; + /* These are the association's initial, max, and min RTO values. * These values will be initialized by system defaults, but can * be modified via the SCTP_RTOINFO socket option. @@ -1615,10 +1589,9 @@ struct sctp_association { /* Flags controlling Heartbeat, SACK delay, and Path MTU Discovery. */ __u32 param_flags; + __u32 sackfreq; /* SACK delay timeout */ unsigned long sackdelay; - __u32 sackfreq; - unsigned long timeouts[SCTP_NUM_TIMEOUT_TYPES]; struct timer_list timers[SCTP_NUM_TIMEOUT_TYPES]; @@ -1626,12 +1599,12 @@ struct sctp_association { /* Transport to which SHUTDOWN chunk was last sent. */ struct sctp_transport *shutdown_last_sent_to; - /* How many times have we resent a SHUTDOWN */ - int shutdown_retries; - /* Transport to which INIT chunk was last sent. */ struct sctp_transport *init_last_sent_to; + /* How many times have we resent a SHUTDOWN */ + int shutdown_retries; + /* Next TSN : The next TSN number to be assigned to a new * : DATA chunk. This is sent in the INIT or INIT * : ACK chunk to the peer and incremented each @@ -1749,12 +1722,6 @@ struct sctp_association { /* How many duplicated TSNs have we seen? */ int numduptsns; - /* Number of seconds of idle time before an association is closed. - * In the association context, this is really used as a boolean - * since the real timeout is stored in the timeouts array - */ - __u32 autoclose; - /* These are to support * "SCTP Extensions for Dynamic Reconfiguration of IP Addresses * and Enforcement of Flow and Message Limits" @@ -1842,8 +1809,8 @@ struct sctp_association { * after reaching 4294967295. */ __u32 addip_serial; - union sctp_addr *asconf_addr_del_pending; int src_out_of_asoc_ok; + union sctp_addr *asconf_addr_del_pending; struct sctp_transport *new_transport; /* SCTP AUTH: list of the endpoint shared keys. These |