diff options
author | David Laight <David.Laight@ACULAB.COM> | 2014-07-04 14:35:51 +0000 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2014-07-08 14:38:48 -0700 |
commit | be1f4f48cef17c6ea9350db04c774dc8eb252158 (patch) | |
tree | 64352a351a16a0ff3eb9bdbe850f68868d5dd263 | |
parent | 63ae88949bc7f6b56438d430c55060d9eda981af (diff) | |
download | linux-be1f4f48cef17c6ea9350db04c774dc8eb252158.tar.bz2 |
net: sctp: Inline the functions from command.c
sctp_init_cmd_seq() and sctp_next_cmd() are only called from one place.
The call sequence for sctp_add_cmd_sf() is likely to be longer than
the inlined code.
With sctp_add_cmd_sf() inlined the compiler can optimise repeated calls.
Signed-off-by: David Laight <david.laight@aculab.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r-- | include/net/sctp/command.h | 27 | ||||
-rw-r--r-- | net/sctp/Makefile | 2 | ||||
-rw-r--r-- | net/sctp/command.c | 68 |
3 files changed, 24 insertions, 73 deletions
diff --git a/include/net/sctp/command.h b/include/net/sctp/command.h index 4b7cd695e431..0e91a42065db 100644 --- a/include/net/sctp/command.h +++ b/include/net/sctp/command.h @@ -210,19 +210,38 @@ typedef struct { /* Initialize a block of memory as a command sequence. * Return 0 if the initialization fails. */ -int sctp_init_cmd_seq(sctp_cmd_seq_t *seq); +static inline int sctp_init_cmd_seq(sctp_cmd_seq_t *seq) +{ + memset(seq, 0, sizeof(sctp_cmd_seq_t)); + return 1; /* We always succeed. */ +} + /* Add a command to an sctp_cmd_seq_t. * * Use the SCTP_* constructors defined by SCTP_ARG_CONSTRUCTOR() above * to wrap data which goes in the obj argument. */ -void sctp_add_cmd_sf(sctp_cmd_seq_t *seq, sctp_verb_t verb, sctp_arg_t obj); +static inline void sctp_add_cmd_sf(sctp_cmd_seq_t *seq, sctp_verb_t verb, + sctp_arg_t obj) +{ + BUG_ON(seq->next_free_slot >= SCTP_MAX_NUM_COMMANDS); + + seq->cmds[seq->next_free_slot].verb = verb; + seq->cmds[seq->next_free_slot++].obj = obj; +} /* Return the next command structure in an sctp_cmd_seq. * Return NULL at the end of the sequence. */ -sctp_cmd_t *sctp_next_cmd(sctp_cmd_seq_t *seq); +static inline sctp_cmd_t *sctp_next_cmd(sctp_cmd_seq_t *seq) +{ + sctp_cmd_t *retval = NULL; -#endif /* __net_sctp_command_h__ */ + if (seq->next_cmd < seq->next_free_slot) + retval = &seq->cmds[seq->next_cmd++]; + + return retval; +} +#endif /* __net_sctp_command_h__ */ diff --git a/net/sctp/Makefile b/net/sctp/Makefile index 5c30b7a873df..3b4ffb021cf1 100644 --- a/net/sctp/Makefile +++ b/net/sctp/Makefile @@ -8,7 +8,7 @@ obj-$(CONFIG_NET_SCTPPROBE) += sctp_probe.o sctp-y := sm_statetable.o sm_statefuns.o sm_sideeffect.o \ protocol.o endpointola.o associola.o \ transport.o chunk.o sm_make_chunk.o ulpevent.o \ - inqueue.o outqueue.o ulpqueue.o command.o \ + inqueue.o outqueue.o ulpqueue.o \ tsnmap.o bind_addr.o socket.o primitive.o \ output.o input.o debug.o ssnmap.o auth.o diff --git a/net/sctp/command.c b/net/sctp/command.c deleted file mode 100644 index dd7375851618..000000000000 --- a/net/sctp/command.c +++ /dev/null @@ -1,68 +0,0 @@ -/* SCTP kernel implementation Copyright (C) 1999-2001 - * Cisco, Motorola, and IBM - * Copyright 2001 La Monte H.P. Yarroll - * - * This file is part of the SCTP kernel implementation - * - * These functions manipulate sctp command sequences. - * - * This SCTP implementation is free software; - * you can redistribute it and/or modify it under the terms of - * the GNU General Public License as published by - * the Free Software Foundation; either version 2, or (at your option) - * any later version. - * - * This SCTP implementation is distributed in the hope that it - * will be useful, but WITHOUT ANY WARRANTY; without even the implied - * ************************ - * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. - * 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, see - * <http://www.gnu.org/licenses/>. - * - * Please send any bug reports or fixes you make to the - * email address(es): - * lksctp developers <linux-sctp@vger.kernel.org> - * - * Written or modified by: - * La Monte H.P. Yarroll <piggy@acm.org> - * Karl Knutson <karl@athena.chicago.il.us> - */ - -#include <linux/types.h> -#include <net/sctp/sctp.h> -#include <net/sctp/sm.h> - -/* Initialize a block of memory as a command sequence. */ -int sctp_init_cmd_seq(sctp_cmd_seq_t *seq) -{ - memset(seq, 0, sizeof(sctp_cmd_seq_t)); - return 1; /* We always succeed. */ -} - -/* Add a command to a sctp_cmd_seq_t. - * Return 0 if the command sequence is full. - */ -void sctp_add_cmd_sf(sctp_cmd_seq_t *seq, sctp_verb_t verb, sctp_arg_t obj) -{ - BUG_ON(seq->next_free_slot >= SCTP_MAX_NUM_COMMANDS); - - seq->cmds[seq->next_free_slot].verb = verb; - seq->cmds[seq->next_free_slot++].obj = obj; -} - -/* Return the next command structure in a sctp_cmd_seq. - * Returns NULL at the end of the sequence. - */ -sctp_cmd_t *sctp_next_cmd(sctp_cmd_seq_t *seq) -{ - sctp_cmd_t *retval = NULL; - - if (seq->next_cmd < seq->next_free_slot) - retval = &seq->cmds[seq->next_cmd++]; - - return retval; -} - |