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net: cosmetic: Clean up NFS variables and functions

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Make a thorough pass through all variables and function names contained
within nfs.c and remove CamelCase and improve naming.

Signed-off-by: Joe Hershberger <joe.hershberger@ni.com>
Acked-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Joe Hershberger 2015-04-08 01:41:10 -05:00 committed by Simon Glass
parent 7044c6bb69
commit 68c76a3a38
3 changed files with 79 additions and 100 deletions
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4
net/net.c
View File

@ -235,7 +235,7 @@ void net_auto_load(void)
/*
* Use NFS to load the bootfile.
*/
NfsStart();
nfs_start();
return;
}
#endif
@ -407,7 +407,7 @@ restart:
#endif
#if defined(CONFIG_CMD_NFS)
case NFS:
NfsStart();
nfs_start();
break;
#endif
#if defined(CONFIG_CMD_CDP)

173
net/nfs.c
View File

@ -52,11 +52,11 @@ static char filefh[NFS_FHSIZE]; /* file handle of kernel image */
static enum net_loop_state nfs_download_state;
static struct in_addr nfs_server_ip;
static int NfsSrvMountPort;
static int NfsSrvNfsPort;
static int NfsOurPort;
static int NfsTimeoutCount;
static int NfsState;
static int nfs_server_mount_port;
static int nfs_server_port;
static int nfs_our_port;
static int nfs_timeout_count;
static int nfs_state;
#define STATE_PRCLOOKUP_PROG_MOUNT_REQ 1
#define STATE_PRCLOOKUP_PROG_NFS_REQ 2
#define STATE_MOUNT_REQ 3
@ -70,8 +70,7 @@ static char *nfs_filename;
static char *nfs_path;
static char nfs_path_buff[2048];
static inline int
store_block(uchar *src, unsigned offset, unsigned len)
static inline int store_block(uchar *src, unsigned offset, unsigned len)
{
ulong newsize = offset + len;
#ifdef CONFIG_SYS_DIRECT_FLASH_NFS
@ -105,8 +104,7 @@ store_block(uchar *src, unsigned offset, unsigned len)
return 0;
}
static char*
basename(char *path)
static char *basename(char *path)
{
char *fname;
@ -121,8 +119,7 @@ basename(char *path)
return fname;
}
static char*
dirname(char *path)
static char *dirname(char *path)
{
char *fname;
@ -178,8 +175,7 @@ static long *rpc_add_credentials(long *p)
/**************************************************************************
RPC_LOOKUP - Lookup RPC Port numbers
**************************************************************************/
static void
rpc_req(int rpc_prog, int rpc_proc, uint32_t *data, int datalen)
static void rpc_req(int rpc_prog, int rpc_proc, uint32_t *data, int datalen)
{
struct rpc_t pkt;
unsigned long id;
@ -207,19 +203,18 @@ rpc_req(int rpc_prog, int rpc_proc, uint32_t *data, int datalen)
if (rpc_prog == PROG_PORTMAP)
sport = SUNRPC_PORT;
else if (rpc_prog == PROG_MOUNT)
sport = NfsSrvMountPort;
sport = nfs_server_mount_port;
else
sport = NfsSrvNfsPort;
sport = nfs_server_port;
net_send_udp_packet(net_server_ethaddr, nfs_server_ip, sport,
NfsOurPort, pktlen);
nfs_our_port, pktlen);
}
/**************************************************************************
RPC_LOOKUP - Lookup RPC Port numbers
**************************************************************************/
static void
rpc_lookup_req(int prog, int ver)
static void rpc_lookup_req(int prog, int ver)
{
uint32_t data[16];
@ -236,8 +231,7 @@ rpc_lookup_req(int prog, int ver)
/**************************************************************************
NFS_MOUNT - Mount an NFS Filesystem
**************************************************************************/
static void
nfs_mount_req(char *path)
static void nfs_mount_req(char *path)
{
uint32_t data[1024];
uint32_t *p;
@ -263,14 +257,13 @@ nfs_mount_req(char *path)
/**************************************************************************
NFS_UMOUNTALL - Unmount all our NFS Filesystems on the Server
**************************************************************************/
static void
nfs_umountall_req(void)
static void nfs_umountall_req(void)
{
uint32_t data[1024];
uint32_t *p;
int len;
if ((NfsSrvMountPort == -1) || (!fs_mounted))
if ((nfs_server_mount_port == -1) || (!fs_mounted))
/* Nothing mounted, nothing to umount */
return;
@ -289,8 +282,7 @@ nfs_umountall_req(void)
* In case of successful readlink(), the dirname is manipulated,
* so that inside the nfs() function a recursion can be done.
**************************************************************************/
static void
nfs_readlink_req(void)
static void nfs_readlink_req(void)
{
uint32_t data[1024];
uint32_t *p;
@ -310,8 +302,7 @@ nfs_readlink_req(void)
/**************************************************************************
NFS_LOOKUP - Lookup Pathname
**************************************************************************/
static void
nfs_lookup_req(char *fname)
static void nfs_lookup_req(char *fname)
{
uint32_t data[1024];
uint32_t *p;
@ -339,8 +330,7 @@ nfs_lookup_req(char *fname)
/**************************************************************************
NFS_READ - Read File on NFS Server
**************************************************************************/
static void
nfs_read_req(int offset, int readlen)
static void nfs_read_req(int offset, int readlen)
{
uint32_t data[1024];
uint32_t *p;
@ -363,13 +353,11 @@ nfs_read_req(int offset, int readlen)
/**************************************************************************
RPC request dispatcher
**************************************************************************/
static void
NfsSend(void)
static void nfs_send(void)
{
debug("%s\n", __func__);
switch (NfsState) {
switch (nfs_state) {
case STATE_PRCLOOKUP_PROG_MOUNT_REQ:
rpc_lookup_req(PROG_MOUNT, 1);
break;
@ -398,8 +386,7 @@ NfsSend(void)
Handlers for the reply from server
**************************************************************************/
static int
rpc_lookup_reply(int prog, uchar *pkt, unsigned len)
static int rpc_lookup_reply(int prog, uchar *pkt, unsigned len)
{
struct rpc_t rpc_pkt;
@ -419,18 +406,17 @@ rpc_lookup_reply(int prog, uchar *pkt, unsigned len)
switch (prog) {
case PROG_MOUNT:
NfsSrvMountPort = ntohl(rpc_pkt.u.reply.data[0]);
nfs_server_mount_port = ntohl(rpc_pkt.u.reply.data[0]);
break;
case PROG_NFS:
NfsSrvNfsPort = ntohl(rpc_pkt.u.reply.data[0]);
nfs_server_port = ntohl(rpc_pkt.u.reply.data[0]);
break;
}
return 0;
}
static int
nfs_mount_reply(uchar *pkt, unsigned len)
static int nfs_mount_reply(uchar *pkt, unsigned len)
{
struct rpc_t rpc_pkt;
@ -455,8 +441,7 @@ nfs_mount_reply(uchar *pkt, unsigned len)
return 0;
}
static int
nfs_umountall_reply(uchar *pkt, unsigned len)
static int nfs_umountall_reply(uchar *pkt, unsigned len)
{
struct rpc_t rpc_pkt;
@ -480,8 +465,7 @@ nfs_umountall_reply(uchar *pkt, unsigned len)
return 0;
}
static int
nfs_lookup_reply(uchar *pkt, unsigned len)
static int nfs_lookup_reply(uchar *pkt, unsigned len)
{
struct rpc_t rpc_pkt;
@ -505,8 +489,7 @@ nfs_lookup_reply(uchar *pkt, unsigned len)
return 0;
}
static int
nfs_readlink_reply(uchar *pkt, unsigned len)
static int nfs_readlink_reply(uchar *pkt, unsigned len)
{
struct rpc_t rpc_pkt;
int rlen;
@ -533,7 +516,7 @@ nfs_readlink_reply(uchar *pkt, unsigned len)
strcat(nfs_path, "/");
pathlen = strlen(nfs_path);
memcpy(nfs_path + pathlen, (uchar *)&(rpc_pkt.u.reply.data[2]),
rlen);
rlen);
nfs_path[pathlen + rlen] = 0;
} else {
memcpy(nfs_path, (uchar *)&(rpc_pkt.u.reply.data[2]), rlen);
@ -542,8 +525,7 @@ nfs_readlink_reply(uchar *pkt, unsigned len)
return 0;
}
static int
nfs_read_reply(uchar *pkt, unsigned len)
static int nfs_read_reply(uchar *pkt, unsigned len)
{
struct rpc_t rpc_pkt;
int rlen;
@ -585,18 +567,16 @@ nfs_read_reply(uchar *pkt, unsigned len)
/**************************************************************************
Interfaces of U-BOOT
**************************************************************************/
static void
NfsTimeout(void)
static void nfs_timeout_handler(void)
{
if (++NfsTimeoutCount > NFS_RETRY_COUNT) {
if (++nfs_timeout_count > NFS_RETRY_COUNT) {
puts("\nRetry count exceeded; starting again\n");
NetStartAgain();
} else {
puts("T ");
NetSetTimeout(nfs_timeout + NFS_TIMEOUT * NfsTimeoutCount,
NfsTimeout);
NfsSend();
NetSetTimeout(nfs_timeout + NFS_TIMEOUT * nfs_timeout_count,
nfs_timeout_handler);
nfs_send();
}
}
@ -608,44 +588,44 @@ static void nfs_handler(uchar *pkt, unsigned dest, struct in_addr sip,
debug("%s\n", __func__);
if (dest != NfsOurPort)
if (dest != nfs_our_port)
return;
switch (NfsState) {
switch (nfs_state) {
case STATE_PRCLOOKUP_PROG_MOUNT_REQ:
if (rpc_lookup_reply(PROG_MOUNT, pkt, len) == -NFS_RPC_DROP)
break;
NfsState = STATE_PRCLOOKUP_PROG_NFS_REQ;
NfsSend();
nfs_state = STATE_PRCLOOKUP_PROG_NFS_REQ;
nfs_send();
break;
case STATE_PRCLOOKUP_PROG_NFS_REQ:
if (rpc_lookup_reply(PROG_NFS, pkt, len) == -NFS_RPC_DROP)
break;
NfsState = STATE_MOUNT_REQ;
NfsSend();
nfs_state = STATE_MOUNT_REQ;
nfs_send();
break;
case STATE_MOUNT_REQ:
reply = nfs_mount_reply(pkt, len);
if (reply == -NFS_RPC_DROP)
if (reply == -NFS_RPC_DROP) {
break;
else if (reply == -NFS_RPC_ERR) {
} else if (reply == -NFS_RPC_ERR) {
puts("*** ERROR: Cannot mount\n");
/* just to be sure... */
NfsState = STATE_UMOUNT_REQ;
NfsSend();
nfs_state = STATE_UMOUNT_REQ;
nfs_send();
} else {
NfsState = STATE_LOOKUP_REQ;
NfsSend();
nfs_state = STATE_LOOKUP_REQ;
nfs_send();
}
break;
case STATE_UMOUNT_REQ:
reply = nfs_umountall_reply(pkt, len);
if (reply == -NFS_RPC_DROP)
if (reply == -NFS_RPC_DROP) {
break;
else if (reply == -NFS_RPC_ERR) {
} else if (reply == -NFS_RPC_ERR) {
puts("*** ERROR: Cannot umount\n");
net_set_state(NETLOOP_FAIL);
} else {
@ -656,61 +636,60 @@ static void nfs_handler(uchar *pkt, unsigned dest, struct in_addr sip,
case STATE_LOOKUP_REQ:
reply = nfs_lookup_reply(pkt, len);
if (reply == -NFS_RPC_DROP)
if (reply == -NFS_RPC_DROP) {
break;
else if (reply == -NFS_RPC_ERR) {
} else if (reply == -NFS_RPC_ERR) {
puts("*** ERROR: File lookup fail\n");
NfsState = STATE_UMOUNT_REQ;
NfsSend();
nfs_state = STATE_UMOUNT_REQ;
nfs_send();
} else {
NfsState = STATE_READ_REQ;
nfs_state = STATE_READ_REQ;
nfs_offset = 0;
nfs_len = NFS_READ_SIZE;
NfsSend();
nfs_send();
}
break;
case STATE_READLINK_REQ:
reply = nfs_readlink_reply(pkt, len);
if (reply == -NFS_RPC_DROP)
if (reply == -NFS_RPC_DROP) {
break;
else if (reply == -NFS_RPC_ERR) {
} else if (reply == -NFS_RPC_ERR) {
puts("*** ERROR: Symlink fail\n");
NfsState = STATE_UMOUNT_REQ;
NfsSend();
nfs_state = STATE_UMOUNT_REQ;
nfs_send();
} else {
debug("Symlink --> %s\n", nfs_path);
nfs_filename = basename(nfs_path);
nfs_path = dirname(nfs_path);
NfsState = STATE_MOUNT_REQ;
NfsSend();
nfs_state = STATE_MOUNT_REQ;
nfs_send();
}
break;
case STATE_READ_REQ:
rlen = nfs_read_reply(pkt, len);
NetSetTimeout(nfs_timeout, NfsTimeout);
NetSetTimeout(nfs_timeout, nfs_timeout_handler);
if (rlen > 0) {
nfs_offset += rlen;
NfsSend();
nfs_send();
} else if ((rlen == -NFSERR_ISDIR) || (rlen == -NFSERR_INVAL)) {
/* symbolic link */
NfsState = STATE_READLINK_REQ;
NfsSend();
nfs_state = STATE_READLINK_REQ;
nfs_send();
} else {
if (!rlen)
nfs_download_state = NETLOOP_SUCCESS;
NfsState = STATE_UMOUNT_REQ;
NfsSend();
nfs_state = STATE_UMOUNT_REQ;
nfs_send();
}
break;
}
}
void
NfsStart(void)
void nfs_start(void)
{
debug("%s\n", __func__);
nfs_download_state = NETLOOP_FAIL;
@ -733,7 +712,7 @@ NfsStart(void)
strcpy(nfs_path, default_filename);
printf("*** Warning: no boot file name; using '%s'\n",
nfs_path);
nfs_path);
} else {
char *p = net_boot_file_name;
@ -765,7 +744,7 @@ NfsStart(void)
server_net.s_addr = net_server_ip.s_addr & net_netmask.s_addr;
if (our_net.s_addr != server_net.s_addr)
printf("; sending through gateway %pI4",
&net_gateway);
&net_gateway);
}
printf("\nFilename '%s/%s'.", nfs_path, nfs_filename);
@ -777,18 +756,18 @@ NfsStart(void)
printf("\nLoad address: 0x%lx\n"
"Loading: *\b", load_addr);
NetSetTimeout(nfs_timeout, NfsTimeout);
NetSetTimeout(nfs_timeout, nfs_timeout_handler);
net_set_udp_handler(nfs_handler);
NfsTimeoutCount = 0;
NfsState = STATE_PRCLOOKUP_PROG_MOUNT_REQ;
nfs_timeout_count = 0;
nfs_state = STATE_PRCLOOKUP_PROG_MOUNT_REQ;
/*NfsOurPort = 4096 + (get_ticks() % 3072);*/
/*nfs_our_port = 4096 + (get_ticks() % 3072);*/
/*FIX ME !!!*/
NfsOurPort = 1000;
nfs_our_port = 1000;
/* zero out server ether in case the server ip has changed */
memset(net_server_ethaddr, 0, 6);
NfsSend();
nfs_send();
}

2
net/nfs.h
View File

@ -69,7 +69,7 @@ struct rpc_t {
} reply;
} u;
};
extern void NfsStart(void); /* Begin NFS */
void nfs_start(void); /* Begin NFS */
/**********************************************************************/