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net: cosmetic: Clean up NFS variables and functions 

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
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
net/net.c
View File

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

167
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 enum net_loop_state nfs_download_state;
static struct in_addr nfs_server_ip; static struct in_addr nfs_server_ip;
static int NfsSrvMountPort; static int nfs_server_mount_port;
static int NfsSrvNfsPort; static int nfs_server_port;
static int NfsOurPort; static int nfs_our_port;
static int NfsTimeoutCount; static int nfs_timeout_count;
static int NfsState; static int nfs_state;
#define STATE_PRCLOOKUP_PROG_MOUNT_REQ 1 #define STATE_PRCLOOKUP_PROG_MOUNT_REQ 1
#define STATE_PRCLOOKUP_PROG_NFS_REQ 2 #define STATE_PRCLOOKUP_PROG_NFS_REQ 2
#define STATE_MOUNT_REQ 3 #define STATE_MOUNT_REQ 3
@ -70,8 +70,7 @@ static char *nfs_filename;
static char *nfs_path; static char *nfs_path;
static char nfs_path_buff[2048]; static char nfs_path_buff[2048];
static inline int static inline int store_block(uchar *src, unsigned offset, unsigned len)
store_block(uchar *src, unsigned offset, unsigned len)
{ {
ulong newsize = offset + len; ulong newsize = offset + len;
#ifdef CONFIG_SYS_DIRECT_FLASH_NFS #ifdef CONFIG_SYS_DIRECT_FLASH_NFS
@ -105,8 +104,7 @@ store_block(uchar *src, unsigned offset, unsigned len)
return 0; return 0;
} }
static char* static char *basename(char *path)
basename(char *path)
{ {
char *fname; char *fname;
@ -121,8 +119,7 @@ basename(char *path)
return fname; return fname;
} }
static char* static char *dirname(char *path)
dirname(char *path)
{ {
char *fname; char *fname;
@ -178,8 +175,7 @@ static long *rpc_add_credentials(long *p)
/************************************************************************** /**************************************************************************
RPC_LOOKUP - Lookup RPC Port numbers RPC_LOOKUP - Lookup RPC Port numbers
**************************************************************************/ **************************************************************************/
static void static void rpc_req(int rpc_prog, int rpc_proc, uint32_t *data, int datalen)
rpc_req(int rpc_prog, int rpc_proc, uint32_t *data, int datalen)
{ {
struct rpc_t pkt; struct rpc_t pkt;
unsigned long id; 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) if (rpc_prog == PROG_PORTMAP)
sport = SUNRPC_PORT; sport = SUNRPC_PORT;
else if (rpc_prog == PROG_MOUNT) else if (rpc_prog == PROG_MOUNT)
sport = NfsSrvMountPort; sport = nfs_server_mount_port;
else else
sport = NfsSrvNfsPort; sport = nfs_server_port;
net_send_udp_packet(net_server_ethaddr, nfs_server_ip, sport, net_send_udp_packet(net_server_ethaddr, nfs_server_ip, sport,
NfsOurPort, pktlen); nfs_our_port, pktlen);
} }
/************************************************************************** /**************************************************************************
RPC_LOOKUP - Lookup RPC Port numbers RPC_LOOKUP - Lookup RPC Port numbers
**************************************************************************/ **************************************************************************/
static void static void rpc_lookup_req(int prog, int ver)
rpc_lookup_req(int prog, int ver)
{ {
uint32_t data[16]; uint32_t data[16];
@ -236,8 +231,7 @@ rpc_lookup_req(int prog, int ver)
/************************************************************************** /**************************************************************************
NFS_MOUNT - Mount an NFS Filesystem NFS_MOUNT - Mount an NFS Filesystem
**************************************************************************/ **************************************************************************/
static void static void nfs_mount_req(char *path)
nfs_mount_req(char *path)
{ {
uint32_t data[1024]; uint32_t data[1024];
uint32_t *p; uint32_t *p;
@ -263,14 +257,13 @@ nfs_mount_req(char *path)
/************************************************************************** /**************************************************************************
NFS_UMOUNTALL - Unmount all our NFS Filesystems on the Server NFS_UMOUNTALL - Unmount all our NFS Filesystems on the Server
**************************************************************************/ **************************************************************************/
static void static void nfs_umountall_req(void)
nfs_umountall_req(void)
{ {
uint32_t data[1024]; uint32_t data[1024];
uint32_t *p; uint32_t *p;
int len; int len;
if ((NfsSrvMountPort == -1) || (!fs_mounted)) if ((nfs_server_mount_port == -1) || (!fs_mounted))
/* Nothing mounted, nothing to umount */ /* Nothing mounted, nothing to umount */
return; return;
@ -289,8 +282,7 @@ nfs_umountall_req(void)
* In case of successful readlink(), the dirname is manipulated, * In case of successful readlink(), the dirname is manipulated,
* so that inside the nfs() function a recursion can be done. * so that inside the nfs() function a recursion can be done.
**************************************************************************/ **************************************************************************/
static void static void nfs_readlink_req(void)
nfs_readlink_req(void)
{ {
uint32_t data[1024]; uint32_t data[1024];
uint32_t *p; uint32_t *p;
@ -310,8 +302,7 @@ nfs_readlink_req(void)
/************************************************************************** /**************************************************************************
NFS_LOOKUP - Lookup Pathname NFS_LOOKUP - Lookup Pathname
**************************************************************************/ **************************************************************************/
static void static void nfs_lookup_req(char *fname)
nfs_lookup_req(char *fname)
{ {
uint32_t data[1024]; uint32_t data[1024];
uint32_t *p; uint32_t *p;
@ -339,8 +330,7 @@ nfs_lookup_req(char *fname)
/************************************************************************** /**************************************************************************
NFS_READ - Read File on NFS Server NFS_READ - Read File on NFS Server
**************************************************************************/ **************************************************************************/
static void static void nfs_read_req(int offset, int readlen)
nfs_read_req(int offset, int readlen)
{ {
uint32_t data[1024]; uint32_t data[1024];
uint32_t *p; uint32_t *p;
@ -363,13 +353,11 @@ nfs_read_req(int offset, int readlen)
/************************************************************************** /**************************************************************************
RPC request dispatcher RPC request dispatcher
**************************************************************************/ **************************************************************************/
static void nfs_send(void)
static void
NfsSend(void)
{ {
debug("%s\n", __func__); debug("%s\n", __func__);
switch (NfsState) { switch (nfs_state) {
case STATE_PRCLOOKUP_PROG_MOUNT_REQ: case STATE_PRCLOOKUP_PROG_MOUNT_REQ:
rpc_lookup_req(PROG_MOUNT, 1); rpc_lookup_req(PROG_MOUNT, 1);
break; break;
@ -398,8 +386,7 @@ NfsSend(void)
Handlers for the reply from server Handlers for the reply from server
**************************************************************************/ **************************************************************************/
static int static int rpc_lookup_reply(int prog, uchar *pkt, unsigned len)
rpc_lookup_reply(int prog, uchar *pkt, unsigned len)
{ {
struct rpc_t rpc_pkt; struct rpc_t rpc_pkt;
@ -419,18 +406,17 @@ rpc_lookup_reply(int prog, uchar *pkt, unsigned len)
switch (prog) { switch (prog) {
case PROG_MOUNT: case PROG_MOUNT:
NfsSrvMountPort = ntohl(rpc_pkt.u.reply.data[0]); nfs_server_mount_port = ntohl(rpc_pkt.u.reply.data[0]);
break; break;
case PROG_NFS: case PROG_NFS:
NfsSrvNfsPort = ntohl(rpc_pkt.u.reply.data[0]); nfs_server_port = ntohl(rpc_pkt.u.reply.data[0]);
break; break;
} }
return 0; return 0;
} }
static int static int nfs_mount_reply(uchar *pkt, unsigned len)
nfs_mount_reply(uchar *pkt, unsigned len)
{ {
struct rpc_t rpc_pkt; struct rpc_t rpc_pkt;
@ -455,8 +441,7 @@ nfs_mount_reply(uchar *pkt, unsigned len)
return 0; return 0;
} }
static int static int nfs_umountall_reply(uchar *pkt, unsigned len)
nfs_umountall_reply(uchar *pkt, unsigned len)
{ {
struct rpc_t rpc_pkt; struct rpc_t rpc_pkt;
@ -480,8 +465,7 @@ nfs_umountall_reply(uchar *pkt, unsigned len)
return 0; return 0;
} }
static int static int nfs_lookup_reply(uchar *pkt, unsigned len)
nfs_lookup_reply(uchar *pkt, unsigned len)
{ {
struct rpc_t rpc_pkt; struct rpc_t rpc_pkt;
@ -505,8 +489,7 @@ nfs_lookup_reply(uchar *pkt, unsigned len)
return 0; return 0;
} }
static int static int nfs_readlink_reply(uchar *pkt, unsigned len)
nfs_readlink_reply(uchar *pkt, unsigned len)
{ {
struct rpc_t rpc_pkt; struct rpc_t rpc_pkt;
int rlen; int rlen;
@ -542,8 +525,7 @@ nfs_readlink_reply(uchar *pkt, unsigned len)
return 0; return 0;
} }
static int static int nfs_read_reply(uchar *pkt, unsigned len)
nfs_read_reply(uchar *pkt, unsigned len)
{ {
struct rpc_t rpc_pkt; struct rpc_t rpc_pkt;
int rlen; int rlen;
@ -585,18 +567,16 @@ nfs_read_reply(uchar *pkt, unsigned len)
/************************************************************************** /**************************************************************************
Interfaces of U-BOOT Interfaces of U-BOOT
**************************************************************************/ **************************************************************************/
static void nfs_timeout_handler(void)
static void
NfsTimeout(void)
{ {
if (++NfsTimeoutCount > NFS_RETRY_COUNT) { if (++nfs_timeout_count > NFS_RETRY_COUNT) {
puts("\nRetry count exceeded; starting again\n"); puts("\nRetry count exceeded; starting again\n");
NetStartAgain(); NetStartAgain();
} else { } else {
puts("T "); puts("T ");
NetSetTimeout(nfs_timeout + NFS_TIMEOUT * NfsTimeoutCount, NetSetTimeout(nfs_timeout + NFS_TIMEOUT * nfs_timeout_count,
NfsTimeout); nfs_timeout_handler);
NfsSend(); nfs_send();
} }
} }
@ -608,44 +588,44 @@ static void nfs_handler(uchar *pkt, unsigned dest, struct in_addr sip,
debug("%s\n", __func__); debug("%s\n", __func__);
if (dest != NfsOurPort) if (dest != nfs_our_port)
return; return;
switch (NfsState) { switch (nfs_state) {
case STATE_PRCLOOKUP_PROG_MOUNT_REQ: case STATE_PRCLOOKUP_PROG_MOUNT_REQ:
if (rpc_lookup_reply(PROG_MOUNT, pkt, len) == -NFS_RPC_DROP) if (rpc_lookup_reply(PROG_MOUNT, pkt, len) == -NFS_RPC_DROP)
break; break;
NfsState = STATE_PRCLOOKUP_PROG_NFS_REQ; nfs_state = STATE_PRCLOOKUP_PROG_NFS_REQ;
NfsSend(); nfs_send();
break; break;
case STATE_PRCLOOKUP_PROG_NFS_REQ: case STATE_PRCLOOKUP_PROG_NFS_REQ:
if (rpc_lookup_reply(PROG_NFS, pkt, len) == -NFS_RPC_DROP) if (rpc_lookup_reply(PROG_NFS, pkt, len) == -NFS_RPC_DROP)
break; break;
NfsState = STATE_MOUNT_REQ; nfs_state = STATE_MOUNT_REQ;
NfsSend(); nfs_send();
break; break;
case STATE_MOUNT_REQ: case STATE_MOUNT_REQ:
reply = nfs_mount_reply(pkt, len); reply = nfs_mount_reply(pkt, len);
if (reply == -NFS_RPC_DROP) if (reply == -NFS_RPC_DROP) {
break; break;
else if (reply == -NFS_RPC_ERR) { } else if (reply == -NFS_RPC_ERR) {
puts("*** ERROR: Cannot mount\n"); puts("*** ERROR: Cannot mount\n");
/* just to be sure... */ /* just to be sure... */
NfsState = STATE_UMOUNT_REQ; nfs_state = STATE_UMOUNT_REQ;
NfsSend(); nfs_send();
} else { } else {
NfsState = STATE_LOOKUP_REQ; nfs_state = STATE_LOOKUP_REQ;
NfsSend(); nfs_send();
} }
break; break;
case STATE_UMOUNT_REQ: case STATE_UMOUNT_REQ:
reply = nfs_umountall_reply(pkt, len); reply = nfs_umountall_reply(pkt, len);
if (reply == -NFS_RPC_DROP) if (reply == -NFS_RPC_DROP) {
break; break;
else if (reply == -NFS_RPC_ERR) { } else if (reply == -NFS_RPC_ERR) {
puts("*** ERROR: Cannot umount\n"); puts("*** ERROR: Cannot umount\n");
net_set_state(NETLOOP_FAIL); net_set_state(NETLOOP_FAIL);
} else { } else {
@ -656,61 +636,60 @@ static void nfs_handler(uchar *pkt, unsigned dest, struct in_addr sip,
case STATE_LOOKUP_REQ: case STATE_LOOKUP_REQ:
reply = nfs_lookup_reply(pkt, len); reply = nfs_lookup_reply(pkt, len);
if (reply == -NFS_RPC_DROP) if (reply == -NFS_RPC_DROP) {
break; break;
else if (reply == -NFS_RPC_ERR) { } else if (reply == -NFS_RPC_ERR) {
puts("*** ERROR: File lookup fail\n"); puts("*** ERROR: File lookup fail\n");
NfsState = STATE_UMOUNT_REQ; nfs_state = STATE_UMOUNT_REQ;
NfsSend(); nfs_send();
} else { } else {
NfsState = STATE_READ_REQ; nfs_state = STATE_READ_REQ;
nfs_offset = 0; nfs_offset = 0;
nfs_len = NFS_READ_SIZE; nfs_len = NFS_READ_SIZE;
NfsSend(); nfs_send();
} }
break; break;
case STATE_READLINK_REQ: case STATE_READLINK_REQ:
reply = nfs_readlink_reply(pkt, len); reply = nfs_readlink_reply(pkt, len);
if (reply == -NFS_RPC_DROP) if (reply == -NFS_RPC_DROP) {
break; break;
else if (reply == -NFS_RPC_ERR) { } else if (reply == -NFS_RPC_ERR) {
puts("*** ERROR: Symlink fail\n"); puts("*** ERROR: Symlink fail\n");
NfsState = STATE_UMOUNT_REQ; nfs_state = STATE_UMOUNT_REQ;
NfsSend(); nfs_send();
} else { } else {
debug("Symlink --> %s\n", nfs_path); debug("Symlink --> %s\n", nfs_path);
nfs_filename = basename(nfs_path); nfs_filename = basename(nfs_path);
nfs_path = dirname(nfs_path); nfs_path = dirname(nfs_path);
NfsState = STATE_MOUNT_REQ; nfs_state = STATE_MOUNT_REQ;
NfsSend(); nfs_send();
} }
break; break;
case STATE_READ_REQ: case STATE_READ_REQ:
rlen = nfs_read_reply(pkt, len); rlen = nfs_read_reply(pkt, len);
NetSetTimeout(nfs_timeout, NfsTimeout); NetSetTimeout(nfs_timeout, nfs_timeout_handler);
if (rlen > 0) { if (rlen > 0) {
nfs_offset += rlen; nfs_offset += rlen;
NfsSend(); nfs_send();
} else if ((rlen == -NFSERR_ISDIR) || (rlen == -NFSERR_INVAL)) { } else if ((rlen == -NFSERR_ISDIR) || (rlen == -NFSERR_INVAL)) {
/* symbolic link */ /* symbolic link */
NfsState = STATE_READLINK_REQ; nfs_state = STATE_READLINK_REQ;
NfsSend(); nfs_send();
} else { } else {
if (!rlen) if (!rlen)
nfs_download_state = NETLOOP_SUCCESS; nfs_download_state = NETLOOP_SUCCESS;
NfsState = STATE_UMOUNT_REQ; nfs_state = STATE_UMOUNT_REQ;
NfsSend(); nfs_send();
} }
break; break;
} }
} }
void void nfs_start(void)
NfsStart(void)
{ {
debug("%s\n", __func__); debug("%s\n", __func__);
nfs_download_state = NETLOOP_FAIL; nfs_download_state = NETLOOP_FAIL;
@ -777,18 +756,18 @@ NfsStart(void)
printf("\nLoad address: 0x%lx\n" printf("\nLoad address: 0x%lx\n"
"Loading: *\b", load_addr); "Loading: *\b", load_addr);
NetSetTimeout(nfs_timeout, NfsTimeout); NetSetTimeout(nfs_timeout, nfs_timeout_handler);
net_set_udp_handler(nfs_handler); net_set_udp_handler(nfs_handler);
NfsTimeoutCount = 0; nfs_timeout_count = 0;
NfsState = STATE_PRCLOOKUP_PROG_MOUNT_REQ; nfs_state = STATE_PRCLOOKUP_PROG_MOUNT_REQ;
/*NfsOurPort = 4096 + (get_ticks() % 3072);*/ /*nfs_our_port = 4096 + (get_ticks() % 3072);*/
/*FIX ME !!!*/ /*FIX ME !!!*/
NfsOurPort = 1000; nfs_our_port = 1000;
/* zero out server ether in case the server ip has changed */ /* zero out server ether in case the server ip has changed */
memset(net_server_ethaddr, 0, 6); memset(net_server_ethaddr, 0, 6);
NfsSend(); nfs_send();
} }

2
net/nfs.h
View File

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