vblade: fix code so #pragma pack isnt needed

front
cinap_lenrek 2014-12-19 03:57:27 +01:00
parent 6379939642
commit ffe862c543
2 changed files with 35 additions and 36 deletions

View File

@ -40,8 +40,6 @@ enum{
AAFext = 1<<6,
};
#pragma pack on
typedef struct{
uchar dst[Eaddrlen];
uchar src[Eaddrlen];
@ -55,7 +53,6 @@ typedef struct{
}Aoehdr;
typedef struct{
Aoehdr;
uchar aflag;
uchar errfeat;
uchar scnt;
@ -65,7 +62,6 @@ typedef struct{
}Aoeata;
typedef struct{
Aoehdr;
uchar bufcnt[2];
uchar fwver[2];
uchar scnt;

View File

@ -83,7 +83,7 @@ getmtu(char *p)
return 2;
close(fd);
buf[36] = 0;
mtu = strtoul(buf+12, 0, 0)-sizeof(Aoehdr);
mtu = strtoul(buf+12, 0, 0)-Aoehsz;
return mtu>>9;
}
@ -238,18 +238,20 @@ replyhdr(Aoehdr *h, Vblade *vblade)
}
static int
serveconfig(Aoeqc *q, Vblade *vb, int mtu)
serveconfig(Aoehdr *h, Vblade *vb, int mtu)
{
int cmd, reqlen, len;
char *cfg;
Aoeqc *q;
if(memcmp(q->src, q->dst, Eaddrlen) == 0)
if(memcmp(h->src, h->dst, Eaddrlen) == 0)
return -1;
q = (Aoeqc*)((char*)h + Aoehsz);
reqlen = nhgets(q->cslen);
len = vb->clen;
cmd = q->verccmd&0xf;
cfg = (char*)(q+1);
cfg = (char*)q + Aoecfgsz;
switch(cmd){
case AQCtest:
@ -264,14 +266,14 @@ serveconfig(Aoeqc *q, Vblade *vb, int mtu)
break;
case AQCset:
if(len && len != reqlen || memcmp(vb->hdr.config, cfg, reqlen) != 0){
q->verflag |= AFerr;
q->error = AEcfg;
h->verflag |= AFerr;
h->error = AEcfg;
break;
}
case AQCfset:
if(reqlen > Conflen){
q->verflag |= AFerr;
q->error = AEarg;
h->verflag |= AFerr;
h->error = AEarg;
break;
}
memset(vb->hdr.config, 0, sizeof vb->hdr.config);
@ -280,8 +282,8 @@ serveconfig(Aoeqc *q, Vblade *vb, int mtu)
savevblade(vb->fd, vb);
break;
default:
q->verflag |= AFerr;
q->error = AEarg;
h->verflag |= AFerr;
h->error = AEarg;
}
memmove(cfg, vb->hdr.config, len);
@ -291,7 +293,7 @@ serveconfig(Aoeqc *q, Vblade *vb, int mtu)
hnputs(q->fwver, 2323);
q->verccmd = Aoever<<4 | cmd;
return len+sizeof *q;
return Aoehsz+Aoecfgsz + len;
}
static ushort ident[256] = {
@ -368,29 +370,32 @@ putlba(uchar *p, vlong lba)
}
static int
serveata(Aoeata *a, Vblade *vb, int mtu)
serveata(Aoehdr *h, Vblade *vb, int mtu)
{
Aoeata *a;
char *buf;
int rbytes, bytes, len;
vlong lba, off;
buf = (char*)(a+1);
a = (Aoeata*)((char*)h + Aoehsz);
buf = (char*)a + Aoeatasz;
lba = getlba(a->lba);
len = a->scnt<<9;
off = lba+vb->hdrsz<<9;
rbytes = 0;
if(a->scnt > mtu || a->scnt == 0){
a->verflag |= AFerr;
h->verflag |= AFerr;
a->cmdstat = ASdrdy|ASerr;
a->error = AEarg;
return 0;
h->error = AEarg;
goto out;
}
if(a->cmdstat != Cid)
if(lba+a->scnt > vb->maxlba){
a->errfeat = Eidnf;
a->cmdstat = ASdrdy|ASerr;
return 0;
goto out;
}
if(a->cmdstat&0xf0 == 0x20)
@ -399,7 +404,7 @@ serveata(Aoeata *a, Vblade *vb, int mtu)
default:
a->errfeat = Eabrt;
a->cmdstat = ASdrdy|ASerr;
return 0;
goto out;
case Cid:
memmove(buf, ident, sizeof ident);
idmoveto(buf, 27, 40, "Plan 9 Vblade");
@ -408,8 +413,8 @@ serveata(Aoeata *a, Vblade *vb, int mtu)
lbamoveto(buf, 60, 4, vb->maxlba);
lbamoveto(buf, 100, 8, vb->maxlba);
a->cmdstat = ASdrdy;
return 512;
break;
rbytes = 512;
goto out;
case Crd:
case Crdext:
bytes = pread(vb->fd, buf, len, off);
@ -418,22 +423,22 @@ serveata(Aoeata *a, Vblade *vb, int mtu)
case Cwr:
case Cwrext:
bytes = pwrite(vb->fd, buf, len, off);
rbytes = 0;
break;
}
if(bytes != len){
a->errfeat = Eabrt;
a->cmdstat = ASdf|ASerr;
putlba(a->lba, lba+(len-bytes)>>9);
return 0;
rbytes = 0;
goto out;
}
putlba(a->lba, lba+a->scnt);
a->scnt = 0;
a->errfeat = 0;
a->cmdstat = ASdrdy;
return rbytes;
out:
return Aoehsz+Aoeatasz + rbytes;
}
static int
@ -451,8 +456,8 @@ myea(uchar ea[6], char *p)
return parseether(ea, buf);
}
static int
bcastpkt(Aoeqc *h, uint shelf, uint slot, int i)
static void
bcastpkt(Aoehdr *h, uint shelf, uint slot, int i)
{
myea(h->dst, ethertab[i]);
memset(h->src, 0xff, Eaddrlen);
@ -460,8 +465,7 @@ bcastpkt(Aoeqc *h, uint shelf, uint slot, int i)
hnputs(h->major, shelf);
h->minor = slot;
h->cmd = ACconfig;
*(u32int*)h->tag = 0;
return Aoehsz + Aoecfgsz;
h->tag[0] = h->tag[1] = h->tag[2] = h->tag[3] = 0;
}
int
@ -473,11 +477,10 @@ bladereply(Vblade *v, int i, int fd, char *pkt)
h = (Aoehdr*)pkt;
switch(h->cmd){
case ACata:
n = serveata((Aoeata*)h, v, mtutab[i]);
n += sizeof(Aoeata);
n = serveata(h, v, mtutab[i]);
break;
case ACconfig:
n = serveconfig((Aoeqc*)h, v, mtutab[i]);
n = serveconfig(h, v, mtutab[i]);
break;
default:
n = -1;
@ -513,7 +516,7 @@ fmtinstall('E', eipfmt);
n = 60;
h = (Aoehdr*)pkt;
bcastpkt((Aoeqc*)pkt, 0xffff, 0xff, i);
bcastpkt(h, 0xffff, 0xff, i);
goto start;
for(;;){