diff options
-rw-r--r-- | net/tipc/addr.h | 2 | ||||
-rw-r--r-- | net/tipc/config.h | 4 | ||||
-rw-r--r-- | net/tipc/core.c | 23 | ||||
-rw-r--r-- | net/tipc/core.h | 53 | ||||
-rw-r--r-- | net/tipc/link.h | 4 | ||||
-rw-r--r-- | net/tipc/msg.c | 23 | ||||
-rw-r--r-- | net/tipc/msg.h | 37 | ||||
-rw-r--r-- | net/tipc/netlink.h | 3 | ||||
-rw-r--r-- | net/tipc/server.c | 1 | ||||
-rw-r--r-- | net/tipc/server.h | 3 | ||||
-rw-r--r-- | net/tipc/socket.h | 7 | ||||
-rw-r--r-- | net/tipc/subscr.h | 3 |
12 files changed, 74 insertions, 89 deletions
diff --git a/net/tipc/addr.h b/net/tipc/addr.h index a74acf9ee80..60b00ab93d7 100644 --- a/net/tipc/addr.h +++ b/net/tipc/addr.h @@ -37,8 +37,6 @@ #ifndef _TIPC_ADDR_H #define _TIPC_ADDR_H -#include "core.h" - #define TIPC_ZONE_MASK 0xff000000u #define TIPC_CLUSTER_MASK 0xfffff000u diff --git a/net/tipc/config.h b/net/tipc/config.h index 47b1bf18161..a41a41c5875 100644 --- a/net/tipc/config.h +++ b/net/tipc/config.h @@ -37,10 +37,10 @@ #ifndef _TIPC_CONFIG_H #define _TIPC_CONFIG_H -/* ---------------------------------------------------------------------- */ - #include "link.h" +#define ULTRA_STRING_MAX_LEN 32768 + struct sk_buff *tipc_cfg_reply_alloc(int payload_size); int tipc_cfg_append_tlv(struct sk_buff *buf, int tlv_type, void *tlv_data, int tlv_data_size); diff --git a/net/tipc/core.c b/net/tipc/core.c index 10bc0bf909e..b6ec3d7c5f5 100644 --- a/net/tipc/core.c +++ b/net/tipc/core.c @@ -52,29 +52,6 @@ u32 tipc_own_addr __read_mostly; int tipc_net_id __read_mostly; int sysctl_tipc_rmem[3] __read_mostly; /* min/default/max */ -/** - * tipc_buf_acquire - creates a TIPC message buffer - * @size: message size (including TIPC header) - * - * Returns a new buffer with data pointers set to the specified size. - * - * NOTE: Headroom is reserved to allow prepending of a data link header. - * There may also be unrequested tailroom present at the buffer's end. - */ -struct sk_buff *tipc_buf_acquire(u32 size) -{ - struct sk_buff *skb; - unsigned int buf_size = (BUF_HEADROOM + size + 3) & ~3u; - - skb = alloc_skb_fclone(buf_size, GFP_ATOMIC); - if (skb) { - skb_reserve(skb, BUF_HEADROOM); - skb_put(skb, size); - skb->next = NULL; - } - return skb; -} - static int __init tipc_init(void) { int err; diff --git a/net/tipc/core.h b/net/tipc/core.h index d57068961d4..a5b3140f145 100644 --- a/net/tipc/core.h +++ b/net/tipc/core.h @@ -60,20 +60,9 @@ #define TIPC_MOD_VER "2.0.0" -#define ULTRA_STRING_MAX_LEN 32768 -#define TIPC_MAX_SUBSCRIPTIONS 65535 -#define TIPC_MAX_PUBLICATIONS 65535 - -struct tipc_msg; /* msg.h */ - int tipc_snprintf(char *buf, int len, const char *fmt, ...); /* - * TIPC-specific error codes - */ -#define ELINKCONG EAGAIN /* link congestion <=> resource unavailable */ - -/* * Global configuration variables */ extern u32 tipc_own_addr __read_mostly; @@ -86,18 +75,6 @@ extern int sysctl_tipc_named_timeout __read_mostly; */ extern int tipc_random __read_mostly; -/* - * Routines available to privileged subsystems - */ -int tipc_netlink_start(void); -void tipc_netlink_stop(void); -int tipc_socket_init(void); -void tipc_socket_stop(void); -int tipc_sock_create_local(int type, struct socket **res); -void tipc_sock_release_local(struct socket *sock); -int tipc_sock_accept_local(struct socket *sock, struct socket **newsock, - int flags); - #ifdef CONFIG_SYSCTL int tipc_register_sysctl(void); void tipc_unregister_sysctl(void); @@ -106,34 +83,4 @@ void tipc_unregister_sysctl(void); #define tipc_unregister_sysctl() #endif -/* - * TIPC message buffer code - * - * TIPC message buffer headroom reserves space for the worst-case - * link-level device header (in case the message is sent off-node). - * - * Note: Headroom should be a multiple of 4 to ensure the TIPC header fields - * are word aligned for quicker access - */ -#define BUF_HEADROOM LL_MAX_HEADER - -struct tipc_skb_cb { - void *handle; - struct sk_buff *tail; - bool deferred; - bool wakeup_pending; - bool bundling; - u16 chain_sz; - u16 chain_imp; -}; - -#define TIPC_SKB_CB(__skb) ((struct tipc_skb_cb *)&((__skb)->cb[0])) - -static inline struct tipc_msg *buf_msg(struct sk_buff *skb) -{ - return (struct tipc_msg *)skb->data; -} - -struct sk_buff *tipc_buf_acquire(u32 size); - #endif diff --git a/net/tipc/link.h b/net/tipc/link.h index 15ca850391d..e96c318f5c7 100644 --- a/net/tipc/link.h +++ b/net/tipc/link.h @@ -41,6 +41,10 @@ #include "msg.h" #include "node.h" +/* TIPC-specific error codes +*/ +#define ELINKCONG EAGAIN /* link congestion <=> resource unavailable */ + /* Out-of-range value for link sequence numbers */ #define INVALID_LINK_SEQ 0x10000 diff --git a/net/tipc/msg.c b/net/tipc/msg.c index a687b30a699..35523fb6668 100644 --- a/net/tipc/msg.c +++ b/net/tipc/msg.c @@ -46,6 +46,29 @@ static unsigned int align(unsigned int i) return (i + 3) & ~3u; } +/** + * tipc_buf_acquire - creates a TIPC message buffer + * @size: message size (including TIPC header) + * + * Returns a new buffer with data pointers set to the specified size. + * + * NOTE: Headroom is reserved to allow prepending of a data link header. + * There may also be unrequested tailroom present at the buffer's end. + */ +struct sk_buff *tipc_buf_acquire(u32 size) +{ + struct sk_buff *skb; + unsigned int buf_size = (BUF_HEADROOM + size + 3) & ~3u; + + skb = alloc_skb_fclone(buf_size, GFP_ATOMIC); + if (skb) { + skb_reserve(skb, BUF_HEADROOM); + skb_put(skb, size); + skb->next = NULL; + } + return skb; +} + void tipc_msg_init(struct tipc_msg *m, u32 user, u32 type, u32 hsize, u32 destnode) { diff --git a/net/tipc/msg.h b/net/tipc/msg.h index 1a52f7cf3cd..0065a2e8ad9 100644 --- a/net/tipc/msg.h +++ b/net/tipc/msg.h @@ -77,10 +77,38 @@ #define TIPC_MEDIA_ADDR_OFFSET 5 +/** + * TIPC message buffer code + * + * TIPC message buffer headroom reserves space for the worst-case + * link-level device header (in case the message is sent off-node). + * + * Note: Headroom should be a multiple of 4 to ensure the TIPC header fields + * are word aligned for quicker access + */ +#define BUF_HEADROOM LL_MAX_HEADER + +struct tipc_skb_cb { + void *handle; + struct sk_buff *tail; + bool deferred; + bool wakeup_pending; + bool bundling; + u16 chain_sz; + u16 chain_imp; +}; + +#define TIPC_SKB_CB(__skb) ((struct tipc_skb_cb *)&((__skb)->cb[0])) + struct tipc_msg { __be32 hdr[15]; }; +static inline struct tipc_msg *buf_msg(struct sk_buff *skb) +{ + return (struct tipc_msg *)skb->data; +} + static inline u32 msg_word(struct tipc_msg *m, u32 pos) { return ntohl(m->hdr[pos]); @@ -719,27 +747,20 @@ static inline u32 msg_tot_origport(struct tipc_msg *m) return msg_origport(m); } +struct sk_buff *tipc_buf_acquire(u32 size); bool tipc_msg_reverse(struct sk_buff *buf, u32 *dnode, int err); - int tipc_msg_eval(struct sk_buff *buf, u32 *dnode); - void tipc_msg_init(struct tipc_msg *m, u32 user, u32 type, u32 hsize, u32 destnode); - struct sk_buff *tipc_msg_create(uint user, uint type, uint hdr_sz, uint data_sz, u32 dnode, u32 onode, u32 dport, u32 oport, int errcode); - int tipc_buf_append(struct sk_buff **headbuf, struct sk_buff **buf); - bool tipc_msg_bundle(struct sk_buff_head *list, struct sk_buff *skb, u32 mtu); - bool tipc_msg_make_bundle(struct sk_buff_head *list, struct sk_buff *skb, u32 mtu, u32 dnode); - int tipc_msg_build(struct tipc_msg *mhdr, struct msghdr *m, int offset, int dsz, int mtu, struct sk_buff_head *list); - struct sk_buff *tipc_msg_reassemble(struct sk_buff_head *list); #endif diff --git a/net/tipc/netlink.h b/net/tipc/netlink.h index 1425c6869de..ae2f2d923a1 100644 --- a/net/tipc/netlink.h +++ b/net/tipc/netlink.h @@ -45,4 +45,7 @@ struct tipc_nl_msg { u32 seq; }; +int tipc_netlink_start(void); +void tipc_netlink_stop(void); + #endif diff --git a/net/tipc/server.c b/net/tipc/server.c index a538a02f869..869eb090575 100644 --- a/net/tipc/server.c +++ b/net/tipc/server.c @@ -35,6 +35,7 @@ #include "server.h" #include "core.h" +#include "socket.h" #include <net/sock.h> /* Number of messages to send before rescheduling */ diff --git a/net/tipc/server.h b/net/tipc/server.h index be817b0b547..87bc05c70dc 100644 --- a/net/tipc/server.h +++ b/net/tipc/server.h @@ -36,7 +36,8 @@ #ifndef _TIPC_SERVER_H #define _TIPC_SERVER_H -#include "core.h" +#include <linux/idr.h> +#include <linux/tipc.h> #define TIPC_SERVER_NAME_LEN 32 diff --git a/net/tipc/socket.h b/net/tipc/socket.h index c7d46d069d8..46bc370d82c 100644 --- a/net/tipc/socket.h +++ b/net/tipc/socket.h @@ -42,6 +42,13 @@ #define TIPC_FLOWCTRL_WIN (TIPC_CONNACK_INTV * 2) #define TIPC_CONN_OVERLOAD_LIMIT ((TIPC_FLOWCTRL_WIN * 2 + 1) * \ SKB_TRUESIZE(TIPC_MAX_USER_MSG_SIZE)) + +int tipc_socket_init(void); +void tipc_socket_stop(void); +int tipc_sock_create_local(int type, struct socket **res); +void tipc_sock_release_local(struct socket *sock); +int tipc_sock_accept_local(struct socket *sock, struct socket **newsock, + int flags); int tipc_sk_rcv(struct sk_buff *buf); struct sk_buff *tipc_sk_socks_show(void); void tipc_sk_mcast_rcv(struct sk_buff *buf); diff --git a/net/tipc/subscr.h b/net/tipc/subscr.h index ab01713bfe3..0d3958956ac 100644 --- a/net/tipc/subscr.h +++ b/net/tipc/subscr.h @@ -39,6 +39,9 @@ #include "server.h" +#define TIPC_MAX_SUBSCRIPTIONS 65535 +#define TIPC_MAX_PUBLICATIONS 65535 + struct tipc_subscription; struct tipc_subscriber; |