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net: Remove volatile from net API

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Signed-off-by: Joe Hershberger <joe.hershberger@ni.com>
Acked-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Joe Hershberger 2012-05-15 08:59:04 +00:00
parent 0a6deb3251
commit db288a9602
6 changed files with 41 additions and 42 deletions
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25
include/net.h
View file

@ -81,7 +81,7 @@ struct eth_device {
int state;
int (*init) (struct eth_device*, bd_t*);
int (*send) (struct eth_device*, volatile void* packet, int length);
int (*send) (struct eth_device*, void *packet, int length);
int (*recv) (struct eth_device*);
void (*halt) (struct eth_device*);
#ifdef CONFIG_MCAST_TFTP
@ -120,10 +120,11 @@ extern int eth_getenv_enetaddr_by_index(const char *base_name, int index,
extern int usb_eth_initialize(bd_t *bi);
extern int eth_init(bd_t *bis); /* Initialize the device */
extern int eth_send(volatile void *packet, int length); /* Send a packet */
extern int eth_send(void *packet, int length); /* Send a packet */
#ifdef CONFIG_API
extern int eth_receive(volatile void *packet, int length); /* Receive a packet*/
extern int eth_receive(void *packet, int length); /* Receive a packet*/
extern void (*push_packet)(void *packet, int length);
#endif
extern int eth_rx(void); /* Check for received packets */
extern void eth_halt(void); /* stop SCC */
@ -342,9 +343,9 @@ extern uchar NetOurEther[6]; /* Our ethernet address */
extern uchar NetServerEther[6]; /* Boot server enet address */
extern IPaddr_t NetOurIP; /* Our IP addr (0 = unknown) */
extern IPaddr_t NetServerIP; /* Server IP addr (0 = unknown) */
extern volatile uchar * NetTxPacket; /* THE transmit packet */
extern volatile uchar * NetRxPackets[PKTBUFSRX];/* Receive packets */
extern volatile uchar * NetRxPacket; /* Current receive packet */
extern uchar *NetTxPacket; /* THE transmit packet */
extern uchar *NetRxPackets[PKTBUFSRX];/* Receive packets */
extern uchar *NetRxPacket; /* Current receive packet */
extern int NetRxPacketLen; /* Current rx packet length */
extern unsigned NetIPID; /* IP ID (counting) */
extern uchar NetBcastAddr[6]; /* Ethernet boardcast address */
@ -408,10 +409,10 @@ extern void NetStartAgain(void);
extern int NetEthHdrSize(void);
/* Set ethernet header; returns the size of the header */
extern int NetSetEther(volatile uchar *, uchar *, uint);
extern int NetSetEther(uchar *, uchar *, uint);
/* Set IP header */
extern void NetSetIP(volatile uchar *, IPaddr_t, int, int, int);
extern void NetSetIP(uchar *, IPaddr_t, int, int, int);
/* Checksum */
extern int NetCksumOk(uchar *, int); /* Return true if cksum OK */
@ -423,13 +424,13 @@ extern void net_set_icmp_handler(rxhand_icmp_f *f); /* Set ICMP RX handler */
extern void NetSetTimeout(ulong, thand_f *);/* Set timeout handler */
/* Transmit "NetTxPacket" */
extern void NetSendPacket(volatile uchar *, int);
extern void NetSendPacket(uchar *, int);
/* Transmit UDP packet, performing ARP request if needed */
extern int NetSendUDPPacket(uchar *ether, IPaddr_t dest, int dport, int sport, int len);
/* Processes a received packet */
extern void NetReceive(volatile uchar *, int);
extern void NetReceive(uchar *, int);
/*
* Check if autoload is enabled. If so, use either NFS or TFTP to download
@ -445,7 +446,7 @@ void net_auto_load(void);
* footprint in our tests.
*/
/* return IP *in network byteorder* */
static inline IPaddr_t NetReadIP(volatile void *from)
static inline IPaddr_t NetReadIP(void *from)
{
IPaddr_t ip;
memcpy((void*)&ip, (void*)from, sizeof(ip));
@ -467,7 +468,7 @@ static inline void NetWriteIP(void *to, IPaddr_t ip)
}
/* copy IP */
static inline void NetCopyIP(volatile void *to, void *from)
static inline void NetCopyIP(void *to, void *from)
{
memcpy((void*)to, from, sizeof(IPaddr_t));
}

4
net/bootp.c
View file

@ -586,7 +586,7 @@ static int BootpExtended (u8 * e)
void
BootpRequest (void)
{
volatile uchar *pkt, *iphdr;
uchar *pkt, *iphdr;
Bootp_t *bp;
int ext_len, pktlen, iplen;
@ -839,7 +839,7 @@ static int DhcpMessageType(unsigned char *popt)
static void DhcpSendRequestPkt(Bootp_t *bp_offer)
{
volatile uchar *pkt, *iphdr;
uchar *pkt, *iphdr;
Bootp_t *bp;
int pktlen, iplen, extlen;
IPaddr_t OfferedIP;

12
net/eth.c
View file

@ -82,8 +82,6 @@ int cpu_eth_init(bd_t *bis) __attribute__((weak, alias("__def_eth_init")));
int board_eth_init(bd_t *bis) __attribute__((weak, alias("__def_eth_init")));
#ifdef CONFIG_API
extern void (*push_packet)(volatile void *, int);
static struct {
uchar data[PKTSIZE];
int length;
@ -407,7 +405,7 @@ void eth_halt(void)
eth_current->state = ETH_STATE_PASSIVE;
}
int eth_send(volatile void *packet, int length)
int eth_send(void *packet, int length)
{
if (!eth_current)
return -1;
@ -424,9 +422,9 @@ int eth_rx(void)
}
#ifdef CONFIG_API
static void eth_save_packet(volatile void *packet, int length)
static void eth_save_packet(void *packet, int length)
{
volatile char *p = packet;
char *p = packet;
int i;
if ((eth_rcv_last+1) % PKTBUFSRX == eth_rcv_current)
@ -442,9 +440,9 @@ static void eth_save_packet(volatile void *packet, int length)
eth_rcv_last = (eth_rcv_last + 1) % PKTBUFSRX;
}
int eth_receive(volatile void *packet, int length)
int eth_receive(void *packet, int length)
{
volatile char *p = packet;
char *p = packet;
void *pp = push_packet;
int i;

34
net/net.c
View file

@ -152,7 +152,7 @@ IPaddr_t NetOurIP;
/* Server IP addr (0 = unknown) */
IPaddr_t NetServerIP;
/* Current receive packet */
volatile uchar *NetRxPacket;
uchar *NetRxPacket;
/* Current rx packet length */
int NetRxPacketLen;
/* IP packet ID */
@ -161,7 +161,7 @@ unsigned NetIPID;
uchar NetBcastAddr[6] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
uchar NetEtherNullAddr[6];
#ifdef CONFIG_API
void (*push_packet)(volatile void *, int len) = 0;
void (*push_packet)(void *, int len) = 0;
#endif
#if defined(CONFIG_CMD_CDP)
/* Ethernet bcast address */
@ -208,10 +208,10 @@ void NcStart(void);
int nc_input_packet(uchar *pkt, unsigned dest, unsigned src, unsigned len);
#endif
volatile uchar PktBuf[(PKTBUFSRX+1) * PKTSIZE_ALIGN + PKTALIGN];
uchar PktBuf[(PKTBUFSRX+1) * PKTSIZE_ALIGN + PKTALIGN];
/* Receive packet */
volatile uchar *NetRxPackets[PKTBUFSRX];
uchar *NetRxPackets[PKTBUFSRX];
/* Current RX packet handler */
static rxhand_f *packetHandler;
@ -225,7 +225,7 @@ static ulong timeStart;
/* Current timeout value */
static ulong timeDelta;
/* THE transmit packet */
volatile uchar *NetTxPacket;
uchar *NetTxPacket;
static int net_check_prereq(enum proto_t protocol);
@ -246,7 +246,7 @@ int NetArpWaitTry;
void ArpRequest(void)
{
volatile uchar *pkt;
uchar *pkt;
ARP_t *arp;
debug("ARP broadcast %d\n", NetArpWaitTry);
@ -705,7 +705,7 @@ NetSetTimeout(ulong iv, thand_f *f)
void
NetSendPacket(volatile uchar *pkt, int len)
NetSendPacket(uchar *pkt, int len)
{
(void) eth_send(pkt, len);
}
@ -768,8 +768,8 @@ static ushort PingSeqNo;
int PingSend(void)
{
static uchar mac[6];
volatile IP_t *ip;
volatile ushort *s;
IP_t *ip;
ushort *s;
uchar *pkt;
/* XXX always send arp request */
@ -784,7 +784,7 @@ int PingSend(void)
pkt = NetArpWaitTxPacket;
pkt += NetSetEther(pkt, mac, PROT_IP);
ip = (volatile IP_t *)pkt;
ip = (IP_t *)pkt;
/*
* Construct an IP and ICMP header.
@ -936,9 +936,9 @@ static ushort CDP_compute_csum(const uchar *buff, ushort len)
int CDPSendTrigger(void)
{
volatile uchar *pkt;
volatile ushort *s;
volatile ushort *cp;
uchar *pkt;
ushort *s;
ushort *cp;
Ethernet_t *et;
int len;
ushort chksum;
@ -965,7 +965,7 @@ int CDPSendTrigger(void)
/* CDP header */
*pkt++ = 0x02; /* CDP version 2 */
*pkt++ = 180; /* TTL */
s = (volatile ushort *)pkt;
s = (ushort *)pkt;
cp = s;
/* checksum (0 for later calculation) */
*s++ = htons(0);
@ -1439,7 +1439,7 @@ static void receive_icmp(IP_t *ip, int len, IPaddr_t src_ip, Ethernet_t *et)
}
void
NetReceive(volatile uchar *inpkt, int len)
NetReceive(uchar *inpkt, int len)
{
Ethernet_t *et;
IP_t *ip;
@ -1918,7 +1918,7 @@ NetEthHdrSize(void)
}
int
NetSetEther(volatile uchar *xet, uchar * addr, uint prot)
NetSetEther(uchar *xet, uchar * addr, uint prot)
{
Ethernet_t *et = (Ethernet_t *)xet;
ushort myvlanid;
@ -1943,7 +1943,7 @@ NetSetEther(volatile uchar *xet, uchar * addr, uint prot)
}
void
NetSetIP(volatile uchar *xip, IPaddr_t dest, int dport, int sport, int len)
NetSetIP(uchar *xip, IPaddr_t dest, int dport, int sport, int len)
{
IP_t *ip = (IP_t *)xip;

2
net/rarp.c
View file

@ -71,7 +71,7 @@ void
RarpRequest (void)
{
int i;
volatile uchar *pkt;
uchar *pkt;
ARP_t * rarp;
printf("RARP broadcast %d\n", ++RarpTry);

6
net/tftp.c
View file

@ -310,9 +310,9 @@ static void
TftpSend(void)
{
uchar *pkt;
volatile uchar *xp;
int len = 0;
volatile ushort *s;
uchar *xp;
int len = 0;
ushort *s;
#ifdef CONFIG_MCAST_TFTP
/* Multicast TFTP.. non-MasterClients do not ACK data. */