diff options
Diffstat (limited to 'net/tipc/msg.h')
| -rw-r--r-- | net/tipc/msg.h | 138 |
1 files changed, 69 insertions, 69 deletions
diff --git a/net/tipc/msg.h b/net/tipc/msg.h index 6699aaf7bd4c..62d549063604 100644 --- a/net/tipc/msg.h +++ b/net/tipc/msg.h @@ -1,6 +1,6 @@ /* * net/tipc/msg.h: Include file for TIPC message header routines - * + * * Copyright (c) 2000-2006, Ericsson AB * Copyright (c) 2005, Wind River Systems * All rights reserved. @@ -56,10 +56,10 @@ /* TIPC user data message header format, version 2 - + - Fundamental definitions available to privileged TIPC users are located in tipc_msg.h. - - Remaining definitions available to TIPC internal users appear below. + - Remaining definitions available to TIPC internal users appear below. */ @@ -75,7 +75,7 @@ static inline void msg_set_bits(struct tipc_msg *m, u32 w, msg_set_word(m, w, (word |= (val << pos))); } -/* +/* * Word 0 */ @@ -84,7 +84,7 @@ static inline u32 msg_version(struct tipc_msg *m) return msg_bits(m, 0, 29, 7); } -static inline void msg_set_version(struct tipc_msg *m) +static inline void msg_set_version(struct tipc_msg *m) { msg_set_bits(m, 0, 29, 0xf, TIPC_VERSION); } @@ -99,47 +99,47 @@ static inline u32 msg_isdata(struct tipc_msg *m) return (msg_user(m) <= DATA_CRITICAL); } -static inline void msg_set_user(struct tipc_msg *m, u32 n) +static inline void msg_set_user(struct tipc_msg *m, u32 n) { msg_set_bits(m, 0, 25, 0xf, n); } -static inline void msg_set_importance(struct tipc_msg *m, u32 i) +static inline void msg_set_importance(struct tipc_msg *m, u32 i) { msg_set_user(m, i); } -static inline void msg_set_hdr_sz(struct tipc_msg *m,u32 n) +static inline void msg_set_hdr_sz(struct tipc_msg *m,u32 n) { msg_set_bits(m, 0, 21, 0xf, n>>2); } -static inline int msg_non_seq(struct tipc_msg *m) +static inline int msg_non_seq(struct tipc_msg *m) { return msg_bits(m, 0, 20, 1); } -static inline void msg_set_non_seq(struct tipc_msg *m) +static inline void msg_set_non_seq(struct tipc_msg *m) { msg_set_bits(m, 0, 20, 1, 1); } -static inline int msg_dest_droppable(struct tipc_msg *m) +static inline int msg_dest_droppable(struct tipc_msg *m) { return msg_bits(m, 0, 19, 1); } -static inline void msg_set_dest_droppable(struct tipc_msg *m, u32 d) +static inline void msg_set_dest_droppable(struct tipc_msg *m, u32 d) { msg_set_bits(m, 0, 19, 1, d); } -static inline int msg_src_droppable(struct tipc_msg *m) +static inline int msg_src_droppable(struct tipc_msg *m) { return msg_bits(m, 0, 18, 1); } -static inline void msg_set_src_droppable(struct tipc_msg *m, u32 d) +static inline void msg_set_src_droppable(struct tipc_msg *m, u32 d) { msg_set_bits(m, 0, 18, 1, d); } @@ -150,31 +150,31 @@ static inline void msg_set_size(struct tipc_msg *m, u32 sz) } -/* +/* * Word 1 */ -static inline void msg_set_type(struct tipc_msg *m, u32 n) +static inline void msg_set_type(struct tipc_msg *m, u32 n) { msg_set_bits(m, 1, 29, 0x7, n); } -static inline void msg_set_errcode(struct tipc_msg *m, u32 err) +static inline void msg_set_errcode(struct tipc_msg *m, u32 err) { msg_set_bits(m, 1, 25, 0xf, err); } -static inline u32 msg_reroute_cnt(struct tipc_msg *m) +static inline u32 msg_reroute_cnt(struct tipc_msg *m) { return msg_bits(m, 1, 21, 0xf); } -static inline void msg_incr_reroute_cnt(struct tipc_msg *m) +static inline void msg_incr_reroute_cnt(struct tipc_msg *m) { msg_set_bits(m, 1, 21, 0xf, msg_reroute_cnt(m) + 1); } -static inline void msg_reset_reroute_cnt(struct tipc_msg *m) +static inline void msg_reset_reroute_cnt(struct tipc_msg *m) { msg_set_bits(m, 1, 21, 0xf, 0); } @@ -184,12 +184,12 @@ static inline u32 msg_lookup_scope(struct tipc_msg *m) return msg_bits(m, 1, 19, 0x3); } -static inline void msg_set_lookup_scope(struct tipc_msg *m, u32 n) +static inline void msg_set_lookup_scope(struct tipc_msg *m, u32 n) { msg_set_bits(m, 1, 19, 0x3, n); } -static inline void msg_set_options(struct tipc_msg *m, const char *opt, u32 sz) +static inline void msg_set_options(struct tipc_msg *m, const char *opt, u32 sz) { u32 hsz = msg_hdr_sz(m); char *to = (char *)&m->hdr[hsz/4]; @@ -206,13 +206,13 @@ static inline u32 msg_bcast_ack(struct tipc_msg *m) return msg_bits(m, 1, 0, 0xffff); } -static inline void msg_set_bcast_ack(struct tipc_msg *m, u32 n) +static inline void msg_set_bcast_ack(struct tipc_msg *m, u32 n) { msg_set_bits(m, 1, 0, 0xffff, n); } -/* +/* * Word 2 */ @@ -221,7 +221,7 @@ static inline u32 msg_ack(struct tipc_msg *m) return msg_bits(m, 2, 16, 0xffff); } -static inline void msg_set_ack(struct tipc_msg *m, u32 n) +static inline void msg_set_ack(struct tipc_msg *m, u32 n) { msg_set_bits(m, 2, 16, 0xffff, n); } @@ -231,48 +231,48 @@ static inline u32 msg_seqno(struct tipc_msg *m) return msg_bits(m, 2, 0, 0xffff); } -static inline void msg_set_seqno(struct tipc_msg *m, u32 n) +static inline void msg_set_seqno(struct tipc_msg *m, u32 n) { msg_set_bits(m, 2, 0, 0xffff, n); } -/* +/* * Words 3-10 */ -static inline void msg_set_prevnode(struct tipc_msg *m, u32 a) +static inline void msg_set_prevnode(struct tipc_msg *m, u32 a) { msg_set_word(m, 3, a); } -static inline void msg_set_origport(struct tipc_msg *m, u32 p) +static inline void msg_set_origport(struct tipc_msg *m, u32 p) { msg_set_word(m, 4, p); } -static inline void msg_set_destport(struct tipc_msg *m, u32 p) +static inline void msg_set_destport(struct tipc_msg *m, u32 p) { msg_set_word(m, 5, p); } -static inline void msg_set_mc_netid(struct tipc_msg *m, u32 p) +static inline void msg_set_mc_netid(struct tipc_msg *m, u32 p) { msg_set_word(m, 5, p); } -static inline void msg_set_orignode(struct tipc_msg *m, u32 a) +static inline void msg_set_orignode(struct tipc_msg *m, u32 a) { msg_set_word(m, 6, a); } -static inline void msg_set_destnode(struct tipc_msg *m, u32 a) +static inline void msg_set_destnode(struct tipc_msg *m, u32 a) { msg_set_word(m, 7, a); } -static inline int msg_is_dest(struct tipc_msg *m, u32 d) +static inline int msg_is_dest(struct tipc_msg *m, u32 d) { return(msg_short(m) || (msg_destnode(m) == d)); } @@ -284,7 +284,7 @@ static inline u32 msg_routed(struct tipc_msg *m) return(msg_destnode(m) ^ msg_orignode(m)) >> 11; } -static inline void msg_set_nametype(struct tipc_msg *m, u32 n) +static inline void msg_set_nametype(struct tipc_msg *m, u32 n) { msg_set_word(m, 8, n); } @@ -309,17 +309,17 @@ static inline void msg_set_transp_seqno(struct tipc_msg *m, u32 n) msg_set_word(m, 8, n); } -static inline void msg_set_namelower(struct tipc_msg *m, u32 n) +static inline void msg_set_namelower(struct tipc_msg *m, u32 n) { msg_set_word(m, 9, n); } -static inline void msg_set_nameinst(struct tipc_msg *m, u32 n) +static inline void msg_set_nameinst(struct tipc_msg *m, u32 n) { msg_set_namelower(m, n); } -static inline void msg_set_nameupper(struct tipc_msg *m, u32 n) +static inline void msg_set_nameupper(struct tipc_msg *m, u32 n) { msg_set_word(m, 10, n); } @@ -329,7 +329,7 @@ static inline struct tipc_msg *msg_get_wrapped(struct tipc_msg *m) return (struct tipc_msg *)msg_data(m); } -static inline void msg_expand(struct tipc_msg *m, u32 destnode) +static inline void msg_expand(struct tipc_msg *m, u32 destnode) { if (!msg_short(m)) return; @@ -344,7 +344,7 @@ static inline void msg_expand(struct tipc_msg *m, u32 destnode) /* TIPC internal message header format, version 2 - 1 0 9 8 7 6 5 4|3 2 1 0 9 8 7 6|5 4 3 2 1 0 9 8|7 6 5 4 3 2 1 0 + 1 0 9 8 7 6 5 4|3 2 1 0 9 8 7 6|5 4 3 2 1 0 9 8|7 6 5 4 3 2 1 0 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ w0:|vers |msg usr|hdr sz |n|resrv| packet size | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ @@ -372,9 +372,9 @@ static inline void msg_expand(struct tipc_msg *m, u32 destnode) +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ NB: CONN_MANAGER use data message format. LINK_CONFIG has own format. -*/ +*/ -/* +/* * Internal users */ @@ -390,7 +390,7 @@ static inline void msg_expand(struct tipc_msg *m, u32 destnode) #define INT_H_SIZE 40 #define DSC_H_SIZE 40 -/* +/* * Connection management protocol messages */ @@ -398,7 +398,7 @@ static inline void msg_expand(struct tipc_msg *m, u32 destnode) #define CONN_PROBE_REPLY 1 #define CONN_ACK 2 -/* +/* * Name distributor messages */ @@ -406,7 +406,7 @@ static inline void msg_expand(struct tipc_msg *m, u32 destnode) #define WITHDRAWAL 1 -/* +/* * Word 1 */ @@ -425,13 +425,13 @@ static inline u32 msg_req_links(struct tipc_msg *m) return msg_bits(m, 1, 16, 0xfff); } -static inline void msg_set_req_links(struct tipc_msg *m, u32 n) +static inline void msg_set_req_links(struct tipc_msg *m, u32 n) { msg_set_bits(m, 1, 16, 0xfff, n); } -/* +/* * Word 2 */ @@ -440,7 +440,7 @@ static inline u32 msg_dest_domain(struct tipc_msg *m) return msg_word(m, 2); } -static inline void msg_set_dest_domain(struct tipc_msg *m, u32 n) +static inline void msg_set_dest_domain(struct tipc_msg *m, u32 n) { msg_set_word(m, 2, n); } @@ -460,13 +460,13 @@ static inline u32 msg_bcgap_to(struct tipc_msg *m) return msg_bits(m, 2, 0, 0xffff); } -static inline void msg_set_bcgap_to(struct tipc_msg *m, u32 n) +static inline void msg_set_bcgap_to(struct tipc_msg *m, u32 n) { msg_set_bits(m, 2, 0, 0xffff, n); } -/* +/* * Word 4 */ @@ -533,7 +533,7 @@ static inline void msg_set_link_selector(struct tipc_msg *m, u32 n) msg_set_bits(m, 4, 0, 1, (n & 1)); } -/* +/* * Word 5 */ @@ -603,7 +603,7 @@ static inline void msg_clear_redundant_link(struct tipc_msg *m) } -/* +/* * Word 9 */ @@ -627,12 +627,12 @@ static inline void msg_set_bcast_tag(struct tipc_msg *m, u32 n) msg_set_bits(m, 9, 16, 0xffff, n); } -static inline u32 msg_max_pkt(struct tipc_msg *m) +static inline u32 msg_max_pkt(struct tipc_msg *m) { return (msg_bits(m, 9, 16, 0xffff) * 4); } -static inline void msg_set_max_pkt(struct tipc_msg *m, u32 n) +static inline void msg_set_max_pkt(struct tipc_msg *m, u32 n) { msg_set_bits(m, 9, 16, 0xffff, (n / 4)); } @@ -647,7 +647,7 @@ static inline void msg_set_link_tolerance(struct tipc_msg *m, u32 n) msg_set_bits(m, 9, 0, 0xffff, n); } -/* +/* * Routing table message data */ @@ -672,7 +672,7 @@ static inline void msg_set_dataoctet(struct tipc_msg *m, u32 pos) msg_data(m)[pos + 4] = 1; } -/* +/* * Segmentation message types */ @@ -680,7 +680,7 @@ static inline void msg_set_dataoctet(struct tipc_msg *m, u32 pos) #define FRAGMENT 1 #define LAST_FRAGMENT 2 -/* +/* * Link management protocol message types */ @@ -688,13 +688,13 @@ static inline void msg_set_dataoctet(struct tipc_msg *m, u32 pos) #define RESET_MSG 1 #define ACTIVATE_MSG 2 -/* +/* * Changeover tunnel message types */ #define DUPLICATE_MSG 0 #define ORIGINAL_MSG 1 -/* +/* * Routing table message types */ #define EXT_ROUTING_TABLE 0 @@ -703,7 +703,7 @@ static inline void msg_set_dataoctet(struct tipc_msg *m, u32 pos) #define ROUTE_ADDITION 3 #define ROUTE_REMOVAL 4 -/* +/* * Config protocol message types */ @@ -724,7 +724,7 @@ static inline u32 msg_tot_importance(struct tipc_msg *m) } -static inline void msg_init(struct tipc_msg *m, u32 user, u32 type, +static inline void msg_init(struct tipc_msg *m, u32 user, u32 type, u32 err, u32 hsize, u32 destnode) { memset(m, 0, hsize); @@ -741,7 +741,7 @@ static inline void msg_init(struct tipc_msg *m, u32 user, u32 type, } } -/** +/** * msg_calc_data_size - determine total data size for message */ @@ -755,15 +755,15 @@ static inline int msg_calc_data_size(struct iovec const *msg_sect, u32 num_sect) return dsz; } -/** +/** * msg_build - create message using specified header and data - * + * * Note: Caller must not hold any locks in case copy_from_user() is interrupted! - * + * * Returns message data size or errno */ -static inline int msg_build(struct tipc_msg *hdr, +static inline int msg_build(struct tipc_msg *hdr, struct iovec const *msg_sect, u32 num_sect, int max_size, int usrmem, struct sk_buff** buf) { @@ -789,11 +789,11 @@ static inline int msg_build(struct tipc_msg *hdr, memcpy((*buf)->data, (unchar *)hdr, hsz); for (res = 1, cnt = 0; res && (cnt < num_sect); cnt++) { if (likely(usrmem)) - res = !copy_from_user((*buf)->data + pos, - msg_sect[cnt].iov_base, + res = !copy_from_user((*buf)->data + pos, + msg_sect[cnt].iov_base, msg_sect[cnt].iov_len); else - memcpy((*buf)->data + pos, msg_sect[cnt].iov_base, + memcpy((*buf)->data + pos, msg_sect[cnt].iov_base, msg_sect[cnt].iov_len); pos += msg_sect[cnt].iov_len; } |