diff options
| -rw-r--r-- | net/tipc/link.c | 18 | ||||
| -rw-r--r-- | net/tipc/link.h | 1 | ||||
| -rw-r--r-- | net/tipc/msg.c | 25 | ||||
| -rw-r--r-- | net/tipc/msg.h | 5 | ||||
| -rw-r--r-- | net/tipc/port.c | 49 | ||||
| -rw-r--r-- | net/tipc/port.h | 14 | ||||
| -rw-r--r-- | net/tipc/socket.c | 14 | ||||
| -rw-r--r-- | net/tipc/subscr.c | 4 |
8 files changed, 64 insertions, 66 deletions
diff --git a/net/tipc/link.c b/net/tipc/link.c index 2a9f44a..4bab139 100644 --- a/net/tipc/link.c +++ b/net/tipc/link.c @@ -92,7 +92,8 @@ static int link_recv_changeover_msg(struct link **l_ptr, struct sk_buff **buf); static void link_set_supervision_props(struct link *l_ptr, u32 tolerance); static int link_send_sections_long(struct tipc_port *sender, struct iovec const *msg_sect, - u32 num_sect, u32 destnode); + u32 num_sect, unsigned int total_len, + u32 destnode); static void link_check_defragm_bufs(struct link *l_ptr); static void link_state_event(struct link *l_ptr, u32 event); static void link_reset_statistics(struct link *l_ptr); @@ -1043,6 +1044,7 @@ int tipc_send_buf_fast(struct sk_buff *buf, u32 destnode) int tipc_link_send_sections_fast(struct tipc_port *sender, struct iovec const *msg_sect, const u32 num_sect, + unsigned int total_len, u32 destaddr) { struct tipc_msg *hdr = &sender->phdr; @@ -1058,8 +1060,8 @@ again: * (Must not hold any locks while building message.) */ - res = tipc_msg_build(hdr, msg_sect, num_sect, sender->max_pkt, - !sender->user_port, &buf); + res = tipc_msg_build(hdr, msg_sect, num_sect, total_len, + sender->max_pkt, !sender->user_port, &buf); read_lock_bh(&tipc_net_lock); node = tipc_node_find(destaddr); @@ -1104,7 +1106,8 @@ exit: goto again; return link_send_sections_long(sender, msg_sect, - num_sect, destaddr); + num_sect, total_len, + destaddr); } tipc_node_unlock(node); } @@ -1116,7 +1119,7 @@ exit: return tipc_reject_msg(buf, TIPC_ERR_NO_NODE); if (res >= 0) return tipc_port_reject_sections(sender, hdr, msg_sect, num_sect, - TIPC_ERR_NO_NODE); + total_len, TIPC_ERR_NO_NODE); return res; } @@ -1137,12 +1140,13 @@ exit: static int link_send_sections_long(struct tipc_port *sender, struct iovec const *msg_sect, u32 num_sect, + unsigned int total_len, u32 destaddr) { struct link *l_ptr; struct tipc_node *node; struct tipc_msg *hdr = &sender->phdr; - u32 dsz = msg_data_sz(hdr); + u32 dsz = total_len; u32 max_pkt, fragm_sz, rest; struct tipc_msg fragm_hdr; struct sk_buff *buf, *buf_chain, *prev; @@ -1269,7 +1273,7 @@ reject: buf_discard(buf_chain); } return tipc_port_reject_sections(sender, hdr, msg_sect, num_sect, - TIPC_ERR_NO_NODE); + total_len, TIPC_ERR_NO_NODE); } /* Append whole chain to send queue: */ diff --git a/net/tipc/link.h b/net/tipc/link.h index e6a30db..74fbeca 100644 --- a/net/tipc/link.h +++ b/net/tipc/link.h @@ -228,6 +228,7 @@ u32 tipc_link_get_max_pkt(u32 dest, u32 selector); int tipc_link_send_sections_fast(struct tipc_port *sender, struct iovec const *msg_sect, const u32 num_sect, + unsigned int total_len, u32 destnode); void tipc_link_recv_bundle(struct sk_buff *buf); int tipc_link_recv_fragment(struct sk_buff **pending, diff --git a/net/tipc/msg.c b/net/tipc/msg.c index 6d92d17..03e57bf 100644 --- a/net/tipc/msg.c +++ b/net/tipc/msg.c @@ -68,20 +68,6 @@ void tipc_msg_init(struct tipc_msg *m, u32 user, u32 type, } /** - * tipc_msg_calc_data_size - determine total data size for message - */ - -int tipc_msg_calc_data_size(struct iovec const *msg_sect, u32 num_sect) -{ - int dsz = 0; - int i; - - for (i = 0; i < num_sect; i++) - dsz += msg_sect[i].iov_len; - return dsz; -} - -/** * tipc_msg_build - create message using specified header and data * * Note: Caller must not hold any locks in case copy_from_user() is interrupted! @@ -89,18 +75,13 @@ int tipc_msg_calc_data_size(struct iovec const *msg_sect, u32 num_sect) * Returns message data size or errno */ -int tipc_msg_build(struct tipc_msg *hdr, - struct iovec const *msg_sect, u32 num_sect, +int tipc_msg_build(struct tipc_msg *hdr, struct iovec const *msg_sect, + u32 num_sect, unsigned int total_len, int max_size, int usrmem, struct sk_buff **buf) { int dsz, sz, hsz, pos, res, cnt; - dsz = tipc_msg_calc_data_size(msg_sect, num_sect); - if (unlikely(dsz > TIPC_MAX_USER_MSG_SIZE)) { - *buf = NULL; - return -EINVAL; - } - + dsz = total_len; pos = hsz = msg_hdr_sz(hdr); sz = hsz + dsz; msg_set_size(hdr, sz); diff --git a/net/tipc/msg.h b/net/tipc/msg.h index 005b318..8452454 100644 --- a/net/tipc/msg.h +++ b/net/tipc/msg.h @@ -750,9 +750,8 @@ static inline void msg_set_link_tolerance(struct tipc_msg *m, u32 n) u32 tipc_msg_tot_importance(struct tipc_msg *m); void tipc_msg_init(struct tipc_msg *m, u32 user, u32 type, u32 hsize, u32 destnode); -int tipc_msg_calc_data_size(struct iovec const *msg_sect, u32 num_sect); -int tipc_msg_build(struct tipc_msg *hdr, - struct iovec const *msg_sect, u32 num_sect, +int tipc_msg_build(struct tipc_msg *hdr, struct iovec const *msg_sect, + u32 num_sect, unsigned int total_len, int max_size, int usrmem, struct sk_buff **buf); static inline void msg_set_media_addr(struct tipc_msg *m, struct tipc_media_addr *a) diff --git a/net/tipc/port.c b/net/tipc/port.c index 9f2ff12..c68dc95 100644 --- a/net/tipc/port.c +++ b/net/tipc/port.c @@ -74,7 +74,8 @@ static u32 port_peerport(struct tipc_port *p_ptr) */ int tipc_multicast(u32 ref, struct tipc_name_seq const *seq, - u32 num_sect, struct iovec const *msg_sect) + u32 num_sect, struct iovec const *msg_sect, + unsigned int total_len) { struct tipc_msg *hdr; struct sk_buff *buf; @@ -98,7 +99,7 @@ int tipc_multicast(u32 ref, struct tipc_name_seq const *seq, msg_set_namelower(hdr, seq->lower); msg_set_nameupper(hdr, seq->upper); msg_set_hdr_sz(hdr, MCAST_H_SIZE); - res = tipc_msg_build(hdr, msg_sect, num_sect, MAX_MSG_SIZE, + res = tipc_msg_build(hdr, msg_sect, num_sect, total_len, MAX_MSG_SIZE, !oport->user_port, &buf); if (unlikely(!buf)) return res; @@ -418,12 +419,12 @@ int tipc_reject_msg(struct sk_buff *buf, u32 err) int tipc_port_reject_sections(struct tipc_port *p_ptr, struct tipc_msg *hdr, struct iovec const *msg_sect, u32 num_sect, - int err) + unsigned int total_len, int err) { struct sk_buff *buf; int res; - res = tipc_msg_build(hdr, msg_sect, num_sect, MAX_MSG_SIZE, + res = tipc_msg_build(hdr, msg_sect, num_sect, total_len, MAX_MSG_SIZE, !p_ptr->user_port, &buf); if (!buf) return res; @@ -1163,12 +1164,13 @@ int tipc_shutdown(u32 ref) */ static int tipc_port_recv_sections(struct tipc_port *sender, unsigned int num_sect, - struct iovec const *msg_sect) + struct iovec const *msg_sect, + unsigned int total_len) { struct sk_buff *buf; int res; - res = tipc_msg_build(&sender->phdr, msg_sect, num_sect, + res = tipc_msg_build(&sender->phdr, msg_sect, num_sect, total_len, MAX_MSG_SIZE, !sender->user_port, &buf); if (likely(buf)) tipc_port_recv_msg(buf); @@ -1179,7 +1181,8 @@ static int tipc_port_recv_sections(struct tipc_port *sender, unsigned int num_se * tipc_send - send message sections on connection */ -int tipc_send(u32 ref, unsigned int num_sect, struct iovec const *msg_sect) +int tipc_send(u32 ref, unsigned int num_sect, struct iovec const *msg_sect, + unsigned int total_len) { struct tipc_port *p_ptr; u32 destnode; @@ -1194,9 +1197,10 @@ int tipc_send(u32 ref, unsigned int num_sect, struct iovec const *msg_sect) destnode = port_peernode(p_ptr); if (likely(destnode != tipc_own_addr)) res = tipc_link_send_sections_fast(p_ptr, msg_sect, num_sect, - destnode); + total_len, destnode); else - res = tipc_port_recv_sections(p_ptr, num_sect, msg_sect); + res = tipc_port_recv_sections(p_ptr, num_sect, msg_sect, + total_len); if (likely(res != -ELINKCONG)) { p_ptr->congested = 0; @@ -1207,8 +1211,7 @@ int tipc_send(u32 ref, unsigned int num_sect, struct iovec const *msg_sect) } if (port_unreliable(p_ptr)) { p_ptr->congested = 0; - /* Just calculate msg length and return */ - return tipc_msg_calc_data_size(msg_sect, num_sect); + return total_len; } return -ELINKCONG; } @@ -1218,7 +1221,8 @@ int tipc_send(u32 ref, unsigned int num_sect, struct iovec const *msg_sect) */ int tipc_send2name(u32 ref, struct tipc_name const *name, unsigned int domain, - unsigned int num_sect, struct iovec const *msg_sect) + unsigned int num_sect, struct iovec const *msg_sect, + unsigned int total_len) { struct tipc_port *p_ptr; struct tipc_msg *msg; @@ -1245,23 +1249,23 @@ int tipc_send2name(u32 ref, struct tipc_name const *name, unsigned int domain, if (likely(destport)) { if (likely(destnode == tipc_own_addr)) res = tipc_port_recv_sections(p_ptr, num_sect, - msg_sect); + msg_sect, total_len); else res = tipc_link_send_sections_fast(p_ptr, msg_sect, - num_sect, destnode); + num_sect, total_len, + destnode); if (likely(res != -ELINKCONG)) { if (res > 0) p_ptr->sent++; return res; } if (port_unreliable(p_ptr)) { - /* Just calculate msg length and return */ - return tipc_msg_calc_data_size(msg_sect, num_sect); + return total_len; } return -ELINKCONG; } return tipc_port_reject_sections(p_ptr, msg, msg_sect, num_sect, - TIPC_ERR_NO_NAME); + total_len, TIPC_ERR_NO_NAME); } /** @@ -1269,7 +1273,8 @@ int tipc_send2name(u32 ref, struct tipc_name const *name, unsigned int domain, */ int tipc_send2port(u32 ref, struct tipc_portid const *dest, - unsigned int num_sect, struct iovec const *msg_sect) + unsigned int num_sect, struct iovec const *msg_sect, + unsigned int total_len) { struct tipc_port *p_ptr; struct tipc_msg *msg; @@ -1289,18 +1294,18 @@ int tipc_send2port(u32 ref, struct tipc_portid const *dest, msg_set_hdr_sz(msg, DIR_MSG_H_SIZE); if (dest->node == tipc_own_addr) - res = tipc_port_recv_sections(p_ptr, num_sect, msg_sect); + res = tipc_port_recv_sections(p_ptr, num_sect, msg_sect, + total_len); else res = tipc_link_send_sections_fast(p_ptr, msg_sect, num_sect, - dest->node); + total_len, dest->node); if (likely(res != -ELINKCONG)) { if (res > 0) p_ptr->sent++; return res; } if (port_unreliable(p_ptr)) { - /* Just calculate msg length and return */ - return tipc_msg_calc_data_size(msg_sect, num_sect); + return total_len; } return -ELINKCONG; } diff --git a/net/tipc/port.h b/net/tipc/port.h index 87b9424..b9aa341 100644 --- a/net/tipc/port.h +++ b/net/tipc/port.h @@ -205,23 +205,27 @@ int tipc_disconnect_port(struct tipc_port *tp_ptr); /* * TIPC messaging routines */ -int tipc_send(u32 portref, unsigned int num_sect, struct iovec const *msg_sect); +int tipc_send(u32 portref, unsigned int num_sect, struct iovec const *msg_sect, + unsigned int total_len); int tipc_send2name(u32 portref, struct tipc_name const *name, u32 domain, - unsigned int num_sect, struct iovec const *msg_sect); + unsigned int num_sect, struct iovec const *msg_sect, + unsigned int total_len); int tipc_send2port(u32 portref, struct tipc_portid const *dest, - unsigned int num_sect, struct iovec const *msg_sect); + unsigned int num_sect, struct iovec const *msg_sect, + unsigned int total_len); int tipc_send_buf2port(u32 portref, struct tipc_portid const *dest, struct sk_buff *buf, unsigned int dsz); int tipc_multicast(u32 portref, struct tipc_name_seq const *seq, - unsigned int section_count, struct iovec const *msg); + unsigned int section_count, struct iovec const *msg, + unsigned int total_len); int tipc_port_reject_sections(struct tipc_port *p_ptr, struct tipc_msg *hdr, struct iovec const *msg_sect, u32 num_sect, - int err); + unsigned int total_len, int err); struct sk_buff *tipc_port_get_ports(void); void tipc_port_recv_proto_msg(struct sk_buff *buf); void tipc_port_recv_mcast(struct sk_buff *buf, struct port_list *dp); diff --git a/net/tipc/socket.c b/net/tipc/socket.c index e1c7917..3388373 100644 --- a/net/tipc/socket.c +++ b/net/tipc/socket.c @@ -576,12 +576,14 @@ static int send_msg(struct kiocb *iocb, struct socket *sock, &dest->addr.name.name, dest->addr.name.domain, m->msg_iovlen, - m->msg_iov); + m->msg_iov, + total_len); } else if (dest->addrtype == TIPC_ADDR_ID) { res = tipc_send2port(tport->ref, &dest->addr.id, m->msg_iovlen, - m->msg_iov); + m->msg_iov, + total_len); } else if (dest->addrtype == TIPC_ADDR_MCAST) { if (needs_conn) { res = -EOPNOTSUPP; @@ -593,7 +595,8 @@ static int send_msg(struct kiocb *iocb, struct socket *sock, res = tipc_multicast(tport->ref, &dest->addr.nameseq, m->msg_iovlen, - m->msg_iov); + m->msg_iov, + total_len); } if (likely(res != -ELINKCONG)) { if (needs_conn && (res >= 0)) @@ -659,7 +662,8 @@ static int send_packet(struct kiocb *iocb, struct socket *sock, break; } - res = tipc_send(tport->ref, m->msg_iovlen, m->msg_iov); + res = tipc_send(tport->ref, m->msg_iovlen, m->msg_iov, + total_len); if (likely(res != -ELINKCONG)) break; if (m->msg_flags & MSG_DONTWAIT) { @@ -766,7 +770,7 @@ static int send_stream(struct kiocb *iocb, struct socket *sock, bytes_to_send = curr_left; my_iov.iov_base = curr_start; my_iov.iov_len = bytes_to_send; - res = send_packet(NULL, sock, &my_msg, 0); + res = send_packet(NULL, sock, &my_msg, bytes_to_send); if (res < 0) { if (bytes_sent) res = bytes_sent; diff --git a/net/tipc/subscr.c b/net/tipc/subscr.c index aae9eae..6cf7268 100644 --- a/net/tipc/subscr.c +++ b/net/tipc/subscr.c @@ -109,7 +109,7 @@ static void subscr_send_event(struct subscription *sub, sub->evt.found_upper = htohl(found_upper, sub->swap); sub->evt.port.ref = htohl(port_ref, sub->swap); sub->evt.port.node = htohl(node, sub->swap); - tipc_send(sub->server_ref, 1, &msg_sect); + tipc_send(sub->server_ref, 1, &msg_sect, msg_sect.iov_len); } /** @@ -521,7 +521,7 @@ static void subscr_named_msg_event(void *usr_handle, /* Send an ACK- to complete connection handshaking */ - tipc_send(server_port_ref, 0, NULL); + tipc_send(server_port_ref, 0, NULL, 0); /* Handle optional subscription request */ |
