From f1980f67d3b005090a31b7465d219e8ca19c5736 Mon Sep 17 00:00:00 2001
From: Denis Vlasenko
Date: Fri, 26 Sep 2008 09:34:59 +0000
Subject: dhcp: add FAST_FUNC as appropriate. -160 bytes.

---
 networking/udhcp/arpping.c       |  2 +-
 networking/udhcp/clientpacket.c  | 14 +++++++-------
 networking/udhcp/clientsocket.c  |  2 +-
 networking/udhcp/common.h        | 31 ++++++++++++++-----------------
 networking/udhcp/dhcpc.c         |  8 ++++----
 networking/udhcp/dhcpc.h         | 16 ++++++++--------
 networking/udhcp/dhcpd.c         |  4 ++--
 networking/udhcp/dhcpd.h         | 34 +++++++++++++++++-----------------
 networking/udhcp/dhcprelay.c     |  8 ++++----
 networking/udhcp/domain_codec.c  |  4 ++--
 networking/udhcp/files.c         |  8 ++++----
 networking/udhcp/leases.c        | 10 +++++-----
 networking/udhcp/options.c       |  8 ++++----
 networking/udhcp/options.h       | 12 ++++++------
 networking/udhcp/packet.c        | 10 +++++-----
 networking/udhcp/script.c        |  2 +-
 networking/udhcp/serverpacket.c  |  8 ++++----
 networking/udhcp/signalpipe.c    |  6 +++---
 networking/udhcp/socket.c        |  4 ++--
 networking/udhcp/static_leases.c |  8 ++++----
 20 files changed, 98 insertions(+), 101 deletions(-)

(limited to 'networking/udhcp')

diff --git a/networking/udhcp/arpping.c b/networking/udhcp/arpping.c
index 44815ad..e0710dc 100644
--- a/networking/udhcp/arpping.c
+++ b/networking/udhcp/arpping.c
@@ -39,7 +39,7 @@ enum {
 
 /* Returns 1 if no reply received */
 
-int arpping(uint32_t test_ip, uint32_t from_ip, uint8_t *from_mac, const char *interface)
+int FAST_FUNC arpping(uint32_t test_ip, uint32_t from_ip, uint8_t *from_mac, const char *interface)
 {
 	int timeout_ms;
 	struct pollfd pfd[1];
diff --git a/networking/udhcp/clientpacket.c b/networking/udhcp/clientpacket.c
index 3e45619..77331d9 100644
--- a/networking/udhcp/clientpacket.c
+++ b/networking/udhcp/clientpacket.c
@@ -25,7 +25,7 @@
 
 
 /* Create a random xid */
-uint32_t random_xid(void)
+uint32_t FAST_FUNC random_xid(void)
 {
 	static smallint initialized;
 
@@ -81,7 +81,7 @@ static void add_param_req_option(struct dhcpMessage *packet)
 
 #if ENABLE_FEATURE_UDHCPC_ARPING
 /* Unicast a DHCP decline message */
-int send_decline(uint32_t xid, uint32_t server, uint32_t requested)
+int FAST_FUNC send_decline(uint32_t xid, uint32_t server, uint32_t requested)
 {
 	struct dhcpMessage packet;
 
@@ -98,7 +98,7 @@ int send_decline(uint32_t xid, uint32_t server, uint32_t requested)
 #endif
 
 /* Broadcast a DHCP discover packet to the network, with an optionally requested IP */
-int send_discover(uint32_t xid, uint32_t requested)
+int FAST_FUNC send_discover(uint32_t xid, uint32_t requested)
 {
 	struct dhcpMessage packet;
 
@@ -120,7 +120,7 @@ int send_discover(uint32_t xid, uint32_t requested)
 
 
 /* Broadcasts a DHCP request message */
-int send_selecting(uint32_t xid, uint32_t server, uint32_t requested)
+int FAST_FUNC send_selecting(uint32_t xid, uint32_t server, uint32_t requested)
 {
 	struct dhcpMessage packet;
 	struct in_addr addr;
@@ -140,7 +140,7 @@ int send_selecting(uint32_t xid, uint32_t server, uint32_t requested)
 
 
 /* Unicasts or broadcasts a DHCP renew message */
-int send_renew(uint32_t xid, uint32_t server, uint32_t ciaddr)
+int FAST_FUNC send_renew(uint32_t xid, uint32_t server, uint32_t ciaddr)
 {
 	struct dhcpMessage packet;
 
@@ -159,7 +159,7 @@ int send_renew(uint32_t xid, uint32_t server, uint32_t ciaddr)
 
 
 /* Unicasts a DHCP release message */
-int send_release(uint32_t server, uint32_t ciaddr)
+int FAST_FUNC send_release(uint32_t server, uint32_t ciaddr)
 {
 	struct dhcpMessage packet;
 
@@ -175,7 +175,7 @@ int send_release(uint32_t server, uint32_t ciaddr)
 
 
 /* Returns -1 on errors that are fatal for the socket, -2 for those that aren't */
-int udhcp_recv_raw_packet(struct dhcpMessage *payload, int fd)
+int FAST_FUNC udhcp_recv_raw_packet(struct dhcpMessage *payload, int fd)
 {
 	int bytes;
 	struct udp_dhcp_packet packet;
diff --git a/networking/udhcp/clientsocket.c b/networking/udhcp/clientsocket.c
index 0e13824..1dcc105 100644
--- a/networking/udhcp/clientsocket.c
+++ b/networking/udhcp/clientsocket.c
@@ -36,7 +36,7 @@
 #include "dhcpd.h"
 #include "dhcpc.h"
 
-int raw_socket(int ifindex)
+int FAST_FUNC udhcp_raw_socket(int ifindex)
 {
 	int fd;
 	struct sockaddr_ll sock;
diff --git a/networking/udhcp/common.h b/networking/udhcp/common.h
index 0f3b796..bf099d8 100644
--- a/networking/udhcp/common.h
+++ b/networking/udhcp/common.h
@@ -57,25 +57,25 @@ struct BUG_bad_sizeof_struct_udp_dhcp_packet {
 		[(sizeof(struct udp_dhcp_packet) != 576 + CONFIG_UDHCPC_SLACK_FOR_BUGGY_SERVERS) ? -1 : 1];
 };
 
-uint16_t udhcp_checksum(void *addr, int count);
+uint16_t udhcp_checksum(void *addr, int count) FAST_FUNC;
 
-void udhcp_init_header(struct dhcpMessage *packet, char type);
+void udhcp_init_header(struct dhcpMessage *packet, char type) FAST_FUNC;
 
 /*int udhcp_recv_raw_packet(struct dhcpMessage *payload, int fd); - in dhcpc.h */
-int udhcp_recv_kernel_packet(struct dhcpMessage *packet, int fd);
+int udhcp_recv_kernel_packet(struct dhcpMessage *packet, int fd) FAST_FUNC;
 
 int udhcp_send_raw_packet(struct dhcpMessage *payload,
 		uint32_t source_ip, int source_port,
 		uint32_t dest_ip, int dest_port,
-		const uint8_t *dest_arp, int ifindex);
+		const uint8_t *dest_arp, int ifindex) FAST_FUNC;
 int udhcp_send_kernel_packet(struct dhcpMessage *payload,
 		uint32_t source_ip, int source_port,
-		uint32_t dest_ip, int dest_port);
+		uint32_t dest_ip, int dest_port) FAST_FUNC;
 
 
 /**/
 
-void udhcp_run_script(struct dhcpMessage *packet, const char *name);
+void udhcp_run_script(struct dhcpMessage *packet, const char *name) FAST_FUNC;
 
 // Still need to clean these up...
 
@@ -84,18 +84,15 @@ void udhcp_run_script(struct dhcpMessage *packet, const char *name);
 #define end_option		udhcp_end_option
 #define add_option_string	udhcp_add_option_string
 #define add_simple_option	udhcp_add_simple_option
-/* from socket.h */
-#define listen_socket		udhcp_listen_socket
-#define read_interface		udhcp_read_interface
-
-void udhcp_sp_setup(void);
-int udhcp_sp_fd_set(fd_set *rfds, int extra_fd);
-int udhcp_sp_read(const fd_set *rfds);
-int raw_socket(int ifindex);
-int read_interface(const char *interface, int *ifindex, uint32_t *addr, uint8_t *arp);
-int listen_socket(/*uint32_t ip,*/ int port, const char *inf);
+
+void udhcp_sp_setup(void) FAST_FUNC;
+int udhcp_sp_fd_set(fd_set *rfds, int extra_fd) FAST_FUNC;
+int udhcp_sp_read(const fd_set *rfds) FAST_FUNC;
+int udhcp_raw_socket(int ifindex) FAST_FUNC;
+int udhcp_read_interface(const char *interface, int *ifindex, uint32_t *addr, uint8_t *arp) FAST_FUNC;
+int udhcp_listen_socket(/*uint32_t ip,*/ int port, const char *inf) FAST_FUNC;
 /* Returns 1 if no reply received */
-int arpping(uint32_t test_ip, uint32_t from_ip, uint8_t *from_mac, const char *interface);
+int arpping(uint32_t test_ip, uint32_t from_ip, uint8_t *from_mac, const char *interface) FAST_FUNC;
 
 #if ENABLE_FEATURE_UDHCP_DEBUG
 # define DEBUG(str, args...) bb_info_msg("### " str, ## args)
diff --git a/networking/udhcp/dhcpc.c b/networking/udhcp/dhcpc.c
index 4cc42ea..5ec8d39 100644
--- a/networking/udhcp/dhcpc.c
+++ b/networking/udhcp/dhcpc.c
@@ -267,7 +267,7 @@ int udhcpc_main(int argc UNUSED_PARAM, char **argv)
 		client_config.opt_mask[n >> 3] |= 1 << (n & 7);
 	}
 
-	if (read_interface(client_config.interface, &client_config.ifindex,
+	if (udhcp_read_interface(client_config.interface, &client_config.ifindex,
 			   NULL, client_config.arp))
 		return 1;
 #if !BB_MMU
@@ -322,9 +322,9 @@ int udhcpc_main(int argc UNUSED_PARAM, char **argv)
 
 		if (listen_mode != LISTEN_NONE && sockfd < 0) {
 			if (listen_mode == LISTEN_KERNEL)
-				sockfd = listen_socket(/*INADDR_ANY,*/ CLIENT_PORT, client_config.interface);
+				sockfd = udhcp_listen_socket(/*INADDR_ANY,*/ CLIENT_PORT, client_config.interface);
 			else
-				sockfd = raw_socket(client_config.ifindex);
+				sockfd = udhcp_raw_socket(client_config.ifindex);
 		}
 		max_fd = udhcp_sp_fd_set(&rfds, sockfd);
 
@@ -348,7 +348,7 @@ int udhcpc_main(int argc UNUSED_PARAM, char **argv)
 		 * resend discover/renew/whatever
 		 */
 		if (retval == 0) {
-			/* We will restart wait afresh in any case */
+			/* We will restart the wait in any case */
 			already_waited_sec = 0;
 
 			switch (state) {
diff --git a/networking/udhcp/dhcpc.h b/networking/udhcp/dhcpc.h
index 04e320c..6ca4400 100644
--- a/networking/udhcp/dhcpc.h
+++ b/networking/udhcp/dhcpc.h
@@ -37,17 +37,17 @@ struct client_config_t {
 
 /*** clientpacket.h ***/
 
-uint32_t random_xid(void);
-int send_discover(uint32_t xid, uint32_t requested);
-int send_selecting(uint32_t xid, uint32_t server, uint32_t requested);
+uint32_t random_xid(void) FAST_FUNC;
+int send_discover(uint32_t xid, uint32_t requested) FAST_FUNC;
+int send_selecting(uint32_t xid, uint32_t server, uint32_t requested) FAST_FUNC;
 #if ENABLE_FEATURE_UDHCPC_ARPING
-int send_decline(uint32_t xid, uint32_t server, uint32_t requested);
+int send_decline(uint32_t xid, uint32_t server, uint32_t requested) FAST_FUNC;
 #endif
-int send_renew(uint32_t xid, uint32_t server, uint32_t ciaddr);
-int send_renew(uint32_t xid, uint32_t server, uint32_t ciaddr);
-int send_release(uint32_t server, uint32_t ciaddr);
+int send_renew(uint32_t xid, uint32_t server, uint32_t ciaddr) FAST_FUNC;
+int send_renew(uint32_t xid, uint32_t server, uint32_t ciaddr) FAST_FUNC;
+int send_release(uint32_t server, uint32_t ciaddr) FAST_FUNC;
 
-int udhcp_recv_raw_packet(struct dhcpMessage *payload, int fd);
+int udhcp_recv_raw_packet(struct dhcpMessage *payload, int fd) FAST_FUNC;
 
 #if __GNUC_PREREQ(4,1)
 # pragma GCC visibility pop
diff --git a/networking/udhcp/dhcpd.c b/networking/udhcp/dhcpd.c
index 0cd6b9d..b512c45 100644
--- a/networking/udhcp/dhcpd.c
+++ b/networking/udhcp/dhcpd.c
@@ -94,7 +94,7 @@ int udhcpd_main(int argc UNUSED_PARAM, char **argv)
 	leases = xzalloc(server_config.max_leases * sizeof(*leases));
 	read_leases(server_config.lease_file);
 
-	if (read_interface(server_config.interface, &server_config.ifindex,
+	if (udhcp_read_interface(server_config.interface, &server_config.ifindex,
 			   &server_config.server, server_config.arp)) {
 		retval = 1;
 		goto ret;
@@ -107,7 +107,7 @@ int udhcpd_main(int argc UNUSED_PARAM, char **argv)
 	while (1) { /* loop until universe collapses */
 
 		if (server_socket < 0) {
-			server_socket = listen_socket(/*INADDR_ANY,*/ SERVER_PORT,
+			server_socket = udhcp_listen_socket(/*INADDR_ANY,*/ SERVER_PORT,
 					server_config.interface);
 		}
 
diff --git a/networking/udhcp/dhcpd.h b/networking/udhcp/dhcpd.h
index 87e1afc..2d97528 100644
--- a/networking/udhcp/dhcpd.h
+++ b/networking/udhcp/dhcpd.h
@@ -82,40 +82,40 @@ struct dhcpOfferedAddr {
 	uint32_t expires;	/* host order */
 };
 
-struct dhcpOfferedAddr *add_lease(const uint8_t *chaddr, uint32_t yiaddr, unsigned long lease);
-int lease_expired(struct dhcpOfferedAddr *lease);
-struct dhcpOfferedAddr *find_lease_by_chaddr(const uint8_t *chaddr);
-struct dhcpOfferedAddr *find_lease_by_yiaddr(uint32_t yiaddr);
-uint32_t find_address(int check_expired);
+struct dhcpOfferedAddr *add_lease(const uint8_t *chaddr, uint32_t yiaddr, unsigned long lease) FAST_FUNC;
+int lease_expired(struct dhcpOfferedAddr *lease) FAST_FUNC;
+struct dhcpOfferedAddr *find_lease_by_chaddr(const uint8_t *chaddr) FAST_FUNC;
+struct dhcpOfferedAddr *find_lease_by_yiaddr(uint32_t yiaddr) FAST_FUNC;
+uint32_t find_address(int check_expired) FAST_FUNC;
 
 
 /*** static_leases.h ***/
 
 /* Config file will pass static lease info to this function which will add it
  * to a data structure that can be searched later */
-int addStaticLease(struct static_lease **lease_struct, uint8_t *mac, uint32_t *ip);
+int addStaticLease(struct static_lease **lease_struct, uint8_t *mac, uint32_t *ip) FAST_FUNC;
 /* Check to see if a mac has an associated static lease */
-uint32_t getIpByMac(struct static_lease *lease_struct, void *arg);
+uint32_t getIpByMac(struct static_lease *lease_struct, void *arg) FAST_FUNC;
 /* Check to see if an ip is reserved as a static ip */
-uint32_t reservedIp(struct static_lease *lease_struct, uint32_t ip);
+uint32_t reservedIp(struct static_lease *lease_struct, uint32_t ip) FAST_FUNC;
 /* Print out static leases just to check what's going on (debug code) */
-void printStaticLeases(struct static_lease **lease_struct);
+void printStaticLeases(struct static_lease **lease_struct) FAST_FUNC;
 
 
 /*** serverpacket.h ***/
 
-int send_offer(struct dhcpMessage *oldpacket);
-int send_NAK(struct dhcpMessage *oldpacket);
-int send_ACK(struct dhcpMessage *oldpacket, uint32_t yiaddr);
-int send_inform(struct dhcpMessage *oldpacket);
+int send_offer(struct dhcpMessage *oldpacket) FAST_FUNC;
+int send_NAK(struct dhcpMessage *oldpacket) FAST_FUNC;
+int send_ACK(struct dhcpMessage *oldpacket, uint32_t yiaddr) FAST_FUNC;
+int send_inform(struct dhcpMessage *oldpacket) FAST_FUNC;
 
 
 /*** files.h ***/
 
-void read_config(const char *file);
-void write_leases(void);
-void read_leases(const char *file);
-struct option_set *find_option(struct option_set *opt_list, uint8_t code);
+void read_config(const char *file) FAST_FUNC;
+void write_leases(void) FAST_FUNC;
+void read_leases(const char *file) FAST_FUNC;
+struct option_set *find_option(struct option_set *opt_list, uint8_t code) FAST_FUNC;
 
 
 #if __GNUC_PREREQ(4,1)
diff --git a/networking/udhcp/dhcprelay.c b/networking/udhcp/dhcprelay.c
index 90ecf48..f3b2855 100644
--- a/networking/udhcp/dhcprelay.c
+++ b/networking/udhcp/dhcprelay.c
@@ -156,12 +156,12 @@ static int init_sockets(char **client, int num_clients,
 	int i, n;
 
 	/* talk to real server on bootps */
-	fds[0] = listen_socket(/*INADDR_ANY,*/ SERVER_PORT, server);
+	fds[0] = udhcp_listen_socket(/*INADDR_ANY,*/ SERVER_PORT, server);
 	n = fds[0];
 
 	for (i = 1; i < num_clients; i++) {
 		/* listen for clients on bootps */
-		fds[i] = listen_socket(/*INADDR_ANY,*/ SERVER_PORT, client[i-1]);
+		fds[i] = udhcp_listen_socket(/*INADDR_ANY,*/ SERVER_PORT, client[i-1]);
 		if (fds[i] > n)
 			n = fds[i];
 	}
@@ -271,7 +271,7 @@ static void dhcprelay_loop(int *fds, int num_sockets, int max_socket, char **cli
 							(struct sockaddr *)(&client_addr), &addr_size);
 				if (packlen <= 0)
 					continue;
-				if (read_interface(clients[i-1], NULL, &dhcp_msg.giaddr, NULL))
+				if (udhcp_read_interface(clients[i-1], NULL, &dhcp_msg.giaddr, NULL))
 					dhcp_msg.giaddr = gw_ip;
 				pass_on(&dhcp_msg, packlen, i, fds, &client_addr, server_addr);
 			}
@@ -305,7 +305,7 @@ int dhcprelay_main(int argc, char **argv)
 	fds = xmalloc(num_sockets * sizeof(fds[0]));
 	max_socket = init_sockets(clients, num_sockets, argv[2], fds);
 
-	if (read_interface(argv[2], NULL, &gw_ip, NULL))
+	if (udhcp_read_interface(argv[2], NULL, &gw_ip, NULL))
 		return 1;
 
 	/* doesn't return */
diff --git a/networking/udhcp/domain_codec.c b/networking/udhcp/domain_codec.c
index 239ae5b..6da4e8d 100644
--- a/networking/udhcp/domain_codec.c
+++ b/networking/udhcp/domain_codec.c
@@ -23,7 +23,7 @@
  * returns a newly allocated string containing the space-separated domains,
  * prefixed with the contents of string pre, or NULL if an error occurs.
  */
-char *dname_dec(const uint8_t *cstr, int clen, const char *pre)
+char* FAST_FUNC dname_dec(const uint8_t *cstr, int clen, const char *pre)
 {
 	const uint8_t *c;
 	int crtpos, retpos, depth, plen = 0, len = 0;
@@ -178,7 +178,7 @@ static int find_offset(const uint8_t *cstr, int clen, const uint8_t *dname)
  * The computed string is returned directly; its length is returned via retlen;
  * NULL and 0, respectively, are returned if an error occurs.
  */
-uint8_t *dname_enc(const uint8_t *cstr, int clen, const char *src, int *retlen)
+uint8_t* FAST_FUNC dname_enc(const uint8_t *cstr, int clen, const char *src, int *retlen)
 {
 	uint8_t *d, *dname;
 	int off;
diff --git a/networking/udhcp/files.c b/networking/udhcp/files.c
index ff5847d..b7bad33 100644
--- a/networking/udhcp/files.c
+++ b/networking/udhcp/files.c
@@ -69,7 +69,7 @@ static int read_yn(const char *line, void *arg)
 
 
 /* find option 'code' in opt_list */
-struct option_set *find_option(struct option_set *opt_list, uint8_t code)
+struct option_set* FAST_FUNC find_option(struct option_set *opt_list, uint8_t code)
 {
 	while (opt_list && opt_list->data[OPT_CODE] < code)
 		opt_list = opt_list->next;
@@ -307,7 +307,7 @@ static const struct config_keyword keywords[] = {
 };
 enum { KWS_WITH_DEFAULTS = ARRAY_SIZE(keywords) - 6 };
 
-void read_config(const char *file)
+void FAST_FUNC read_config(const char *file)
 {
 	parser_t *parser;
 	const struct config_keyword *k;
@@ -338,7 +338,7 @@ void read_config(const char *file)
 }
 
 
-void write_leases(void)
+void FAST_FUNC write_leases(void)
 {
 	int fp;
 	unsigned i;
@@ -380,7 +380,7 @@ void write_leases(void)
 }
 
 
-void read_leases(const char *file)
+void FAST_FUNC read_leases(const char *file)
 {
 	int fp;
 	unsigned i;
diff --git a/networking/udhcp/leases.c b/networking/udhcp/leases.c
index 1745fee..ff52da9 100644
--- a/networking/udhcp/leases.c
+++ b/networking/udhcp/leases.c
@@ -43,7 +43,7 @@ static void clear_lease(const uint8_t *chaddr, uint32_t yiaddr)
 
 
 /* add a lease into the table, clearing out any old ones */
-struct dhcpOfferedAddr *add_lease(const uint8_t *chaddr, uint32_t yiaddr, unsigned long lease)
+struct dhcpOfferedAddr* FAST_FUNC add_lease(const uint8_t *chaddr, uint32_t yiaddr, unsigned long lease)
 {
 	struct dhcpOfferedAddr *oldest;
 
@@ -63,14 +63,14 @@ struct dhcpOfferedAddr *add_lease(const uint8_t *chaddr, uint32_t yiaddr, unsign
 
 
 /* true if a lease has expired */
-int lease_expired(struct dhcpOfferedAddr *lease)
+int FAST_FUNC lease_expired(struct dhcpOfferedAddr *lease)
 {
 	return (lease->expires < (unsigned long) time(0));
 }
 
 
 /* Find the first lease that matches chaddr, NULL if no match */
-struct dhcpOfferedAddr *find_lease_by_chaddr(const uint8_t *chaddr)
+struct dhcpOfferedAddr* FAST_FUNC find_lease_by_chaddr(const uint8_t *chaddr)
 {
 	unsigned i;
 
@@ -83,7 +83,7 @@ struct dhcpOfferedAddr *find_lease_by_chaddr(const uint8_t *chaddr)
 
 
 /* Find the first lease that matches yiaddr, NULL is no match */
-struct dhcpOfferedAddr *find_lease_by_yiaddr(uint32_t yiaddr)
+struct dhcpOfferedAddr* FAST_FUNC find_lease_by_yiaddr(uint32_t yiaddr)
 {
 	unsigned i;
 
@@ -119,7 +119,7 @@ static int nobody_responds_to_arp(uint32_t addr)
 
 /* find an assignable address, if check_expired is true, we check all the expired leases as well.
  * Maybe this should try expired leases by age... */
-uint32_t find_address(int check_expired)
+uint32_t FAST_FUNC find_address(int check_expired)
 {
 	uint32_t addr, ret;
 	struct dhcpOfferedAddr *lease = NULL;
diff --git a/networking/udhcp/options.c b/networking/udhcp/options.c
index 12e5662..b6e77e3 100644
--- a/networking/udhcp/options.c
+++ b/networking/udhcp/options.c
@@ -118,7 +118,7 @@ const uint8_t dhcp_option_lengths[] ALIGN1 = {
 
 
 /* get an option with bounds checking (warning, not aligned). */
-uint8_t *get_option(struct dhcpMessage *packet, int code)
+uint8_t* FAST_FUNC get_option(struct dhcpMessage *packet, int code)
 {
 	int i, length;
 	uint8_t *optionptr;
@@ -175,7 +175,7 @@ uint8_t *get_option(struct dhcpMessage *packet, int code)
 
 
 /* return the position of the 'end' option (no bounds checking) */
-int end_option(uint8_t *optionptr)
+int FAST_FUNC end_option(uint8_t *optionptr)
 {
 	int i = 0;
 
@@ -191,7 +191,7 @@ int end_option(uint8_t *optionptr)
 
 /* add an option string to the options (an option string contains an option code,
  * length, then data) */
-int add_option_string(uint8_t *optionptr, uint8_t *string)
+int FAST_FUNC add_option_string(uint8_t *optionptr, uint8_t *string)
 {
 	int end = end_option(optionptr);
 
@@ -209,7 +209,7 @@ int add_option_string(uint8_t *optionptr, uint8_t *string)
 
 
 /* add a one to four byte option to a packet */
-int add_simple_option(uint8_t *optionptr, uint8_t code, uint32_t data)
+int FAST_FUNC add_simple_option(uint8_t *optionptr, uint8_t code, uint32_t data)
 {
 	const struct dhcp_option *dh;
 
diff --git a/networking/udhcp/options.h b/networking/udhcp/options.h
index cf3fe3b..70b8704 100644
--- a/networking/udhcp/options.h
+++ b/networking/udhcp/options.h
@@ -107,13 +107,13 @@ extern const struct dhcp_option dhcp_options[];
 extern const char dhcp_option_strings[];
 extern const uint8_t dhcp_option_lengths[];
 
-uint8_t *get_option(struct dhcpMessage *packet, int code);
-int end_option(uint8_t *optionptr);
-int add_option_string(uint8_t *optionptr, uint8_t *string);
-int add_simple_option(uint8_t *optionptr, uint8_t code, uint32_t data);
+uint8_t *get_option(struct dhcpMessage *packet, int code) FAST_FUNC;
+int end_option(uint8_t *optionptr) FAST_FUNC;
+int add_option_string(uint8_t *optionptr, uint8_t *string) FAST_FUNC;
+int add_simple_option(uint8_t *optionptr, uint8_t code, uint32_t data) FAST_FUNC;
 #if ENABLE_FEATURE_RFC3397
-char *dname_dec(const uint8_t *cstr, int clen, const char *pre);
-uint8_t *dname_enc(const uint8_t *cstr, int clen, const char *src, int *retlen);
+char *dname_dec(const uint8_t *cstr, int clen, const char *pre) FAST_FUNC;
+uint8_t *dname_enc(const uint8_t *cstr, int clen, const char *src, int *retlen) FAST_FUNC;
 #endif
 
 #if __GNUC_PREREQ(4,1)
diff --git a/networking/udhcp/packet.c b/networking/udhcp/packet.c
index 923add6..58f45e5 100644
--- a/networking/udhcp/packet.c
+++ b/networking/udhcp/packet.c
@@ -15,7 +15,7 @@
 #include "options.h"
 
 
-void udhcp_init_header(struct dhcpMessage *packet, char type)
+void FAST_FUNC udhcp_init_header(struct dhcpMessage *packet, char type)
 {
 	memset(packet, 0, sizeof(struct dhcpMessage));
 	packet->op = BOOTREQUEST;
@@ -34,7 +34,7 @@ void udhcp_init_header(struct dhcpMessage *packet, char type)
 
 
 /* read a packet from socket fd, return -1 on read error, -2 on packet error */
-int udhcp_recv_kernel_packet(struct dhcpMessage *packet, int fd)
+int FAST_FUNC udhcp_recv_kernel_packet(struct dhcpMessage *packet, int fd)
 {
 	int bytes;
 	unsigned char *vendor;
@@ -85,7 +85,7 @@ int udhcp_recv_kernel_packet(struct dhcpMessage *packet, int fd)
 }
 
 
-uint16_t udhcp_checksum(void *addr, int count)
+uint16_t FAST_FUNC udhcp_checksum(void *addr, int count)
 {
 	/* Compute Internet Checksum for "count" bytes
 	 *         beginning at location "addr".
@@ -116,7 +116,7 @@ uint16_t udhcp_checksum(void *addr, int count)
 
 
 /* Construct a ip/udp header for a packet, send packet */
-int udhcp_send_raw_packet(struct dhcpMessage *payload,
+int FAST_FUNC udhcp_send_raw_packet(struct dhcpMessage *payload,
 		uint32_t source_ip, int source_port,
 		uint32_t dest_ip, int dest_port, const uint8_t *dest_arp, int ifindex)
 {
@@ -186,7 +186,7 @@ int udhcp_send_raw_packet(struct dhcpMessage *payload,
 
 
 /* Let the kernel do all the work for packet generation */
-int udhcp_send_kernel_packet(struct dhcpMessage *payload,
+int FAST_FUNC udhcp_send_kernel_packet(struct dhcpMessage *payload,
 		uint32_t source_ip, int source_port,
 		uint32_t dest_ip, int dest_port)
 {
diff --git a/networking/udhcp/script.c b/networking/udhcp/script.c
index 4f4bc25..2324ea9 100644
--- a/networking/udhcp/script.c
+++ b/networking/udhcp/script.c
@@ -209,7 +209,7 @@ static char **fill_envp(struct dhcpMessage *packet)
 
 
 /* Call a script with a par file and env vars */
-void udhcp_run_script(struct dhcpMessage *packet, const char *name)
+void FAST_FUNC udhcp_run_script(struct dhcpMessage *packet, const char *name)
 {
 	int pid;
 	char **envp, **curr;
diff --git a/networking/udhcp/serverpacket.c b/networking/udhcp/serverpacket.c
index fc62497..2fcf930 100644
--- a/networking/udhcp/serverpacket.c
+++ b/networking/udhcp/serverpacket.c
@@ -97,7 +97,7 @@ static void add_bootp_options(struct dhcpMessage *packet)
 
 
 /* send a DHCP OFFER to a DHCP DISCOVER */
-int send_offer(struct dhcpMessage *oldpacket)
+int FAST_FUNC send_offer(struct dhcpMessage *oldpacket)
 {
 	struct dhcpMessage packet;
 	struct dhcpOfferedAddr *lease = NULL;
@@ -185,7 +185,7 @@ int send_offer(struct dhcpMessage *oldpacket)
 }
 
 
-int send_NAK(struct dhcpMessage *oldpacket)
+int FAST_FUNC send_NAK(struct dhcpMessage *oldpacket)
 {
 	struct dhcpMessage packet;
 
@@ -196,7 +196,7 @@ int send_NAK(struct dhcpMessage *oldpacket)
 }
 
 
-int send_ACK(struct dhcpMessage *oldpacket, uint32_t yiaddr)
+int FAST_FUNC send_ACK(struct dhcpMessage *oldpacket, uint32_t yiaddr)
 {
 	struct dhcpMessage packet;
 	struct option_set *curr;
@@ -244,7 +244,7 @@ int send_ACK(struct dhcpMessage *oldpacket, uint32_t yiaddr)
 }
 
 
-int send_inform(struct dhcpMessage *oldpacket)
+int FAST_FUNC send_inform(struct dhcpMessage *oldpacket)
 {
 	struct dhcpMessage packet;
 	struct option_set *curr;
diff --git a/networking/udhcp/signalpipe.c b/networking/udhcp/signalpipe.c
index 1486b3b..a025bd8 100644
--- a/networking/udhcp/signalpipe.c
+++ b/networking/udhcp/signalpipe.c
@@ -35,7 +35,7 @@ static void signal_handler(int sig)
 
 /* Call this before doing anything else. Sets up the socket pair
  * and installs the signal handler */
-void udhcp_sp_setup(void)
+void FAST_FUNC udhcp_sp_setup(void)
 {
 	/* was socketpair, but it needs AF_UNIX in kernel */
 	xpiped_pair(signal_pipe);
@@ -53,7 +53,7 @@ void udhcp_sp_setup(void)
 /* Quick little function to setup the rfds. Will return the
  * max_fd for use with select. Limited in that you can only pass
  * one extra fd */
-int udhcp_sp_fd_set(fd_set *rfds, int extra_fd)
+int FAST_FUNC udhcp_sp_fd_set(fd_set *rfds, int extra_fd)
 {
 	FD_ZERO(rfds);
 	FD_SET(signal_pipe.rd, rfds);
@@ -68,7 +68,7 @@ int udhcp_sp_fd_set(fd_set *rfds, int extra_fd)
 /* Read a signal from the signal pipe. Returns 0 if there is
  * no signal, -1 on error (and sets errno appropriately), and
  * your signal on success */
-int udhcp_sp_read(const fd_set *rfds)
+int FAST_FUNC udhcp_sp_read(const fd_set *rfds)
 {
 	unsigned char sig;
 
diff --git a/networking/udhcp/socket.c b/networking/udhcp/socket.c
index 2cbd4aa..2d27251 100644
--- a/networking/udhcp/socket.c
+++ b/networking/udhcp/socket.c
@@ -37,7 +37,7 @@
 #include "common.h"
 
 
-int read_interface(const char *interface, int *ifindex, uint32_t *addr, uint8_t *arp)
+int FAST_FUNC udhcp_read_interface(const char *interface, int *ifindex, uint32_t *addr, uint8_t *arp)
 {
 	int fd;
 	struct ifreq ifr;
@@ -85,7 +85,7 @@ int read_interface(const char *interface, int *ifindex, uint32_t *addr, uint8_t
 
 /* 1. None of the callers expects it to ever fail */
 /* 2. ip was always INADDR_ANY */
-int listen_socket(/*uint32_t ip,*/ int port, const char *inf)
+int FAST_FUNC udhcp_listen_socket(/*uint32_t ip,*/ int port, const char *inf)
 {
 	int fd;
 	struct ifreq interface;
diff --git a/networking/udhcp/static_leases.c b/networking/udhcp/static_leases.c
index aabfb81..bd07c50 100644
--- a/networking/udhcp/static_leases.c
+++ b/networking/udhcp/static_leases.c
@@ -14,7 +14,7 @@
 /* Takes the address of the pointer to the static_leases linked list,
  *   Address to a 6 byte mac address
  *   Address to a 4 byte ip address */
-int addStaticLease(struct static_lease **lease_struct, uint8_t *mac, uint32_t *ip)
+int FAST_FUNC addStaticLease(struct static_lease **lease_struct, uint8_t *mac, uint32_t *ip)
 {
 	struct static_lease *cur;
 	struct static_lease *new_static_lease;
@@ -41,7 +41,7 @@ int addStaticLease(struct static_lease **lease_struct, uint8_t *mac, uint32_t *i
 }
 
 /* Check to see if a mac has an associated static lease */
-uint32_t getIpByMac(struct static_lease *lease_struct, void *arg)
+uint32_t FAST_FUNC getIpByMac(struct static_lease *lease_struct, void *arg)
 {
 	uint32_t return_ip;
 	struct static_lease *cur = lease_struct;
@@ -62,7 +62,7 @@ uint32_t getIpByMac(struct static_lease *lease_struct, void *arg)
 }
 
 /* Check to see if an ip is reserved as a static ip */
-uint32_t reservedIp(struct static_lease *lease_struct, uint32_t ip)
+uint32_t FAST_FUNC reservedIp(struct static_lease *lease_struct, uint32_t ip)
 {
 	struct static_lease *cur = lease_struct;
 
@@ -82,7 +82,7 @@ uint32_t reservedIp(struct static_lease *lease_struct, uint32_t ip)
 #if ENABLE_FEATURE_UDHCP_DEBUG
 /* Print out static leases just to check what's going on */
 /* Takes the address of the pointer to the static_leases linked list */
-void printStaticLeases(struct static_lease **arg)
+void FAST_FUNC printStaticLeases(struct static_lease **arg)
 {
 	/* Get a pointer to the linked list */
 	struct static_lease *cur = *arg;
-- 
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