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Uses endian independent structure layouts to access returned ethernet packet length field

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This commit is contained in:
Nick Briggs
2025-10-30 13:45:34 -07:00
parent d791b1d332
commit eedc8a504a
2 changed files with 6 additions and 8 deletions
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4
src/ether_nethub.c
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@@ -297,12 +297,10 @@ static int recvPacket(void) {
#if defined(BYTESWAP)
log_debug((" recvPacket() :: byte-swapping %d bytes at %p\n", bLen, (void *)ether_buf));
dblwordsSwap(ether_buf, bLen);
IOPage->dlethernet[2] = bLen;
#else
log_debug((" recvPacket() :: %d bytes at %p\n", bLen, (void *)ether_buf));
IOPage->dlethernet[3] = bLen;
#endif
((DLETHERCSB *)IOPage->dlethernet)->DLFIRSTICB = blen;
ether_bsize = 0;

10
src/ether_sunos.c
View File

@@ -477,7 +477,7 @@ int *ether_debug(void) {
estat[0] = 0;
if (ether_fd < 0) return (NIL);
printf("fd %d bsize %d buf %p icb %X in %d out %d\n ", ether_fd, ether_bsize, (void *)ether_buf,
IOPage->dlethernet[3], ether_in, ether_out);
((DLETHERCSB *)IOPage->dlethernet)->DLFIRSTICB, ether_in, ether_out);
#endif /* MAIKO_ENABLE_ETHERNET */
return (estat);
@@ -542,7 +542,7 @@ LispPTR check_ether(void) {
memcpy(&ether_buf[0], &nit_buf[nitpos], fromlen);
ether_bsize = 0; /* deactivate receiver */
ether_in++;
IOPage->dlethernet[3] = fromlen;
((DLETHERCSB *)IOPage->dlethernet)->DLFIRSTICB = fromlen;
DBPRINT(
("Found packet len %d, at pos %d in buflen %d.\n", fromlen, nitpos, nitlen));
nitpos += fromlen;
@@ -586,7 +586,7 @@ LispPTR check_ether(void) {
memcpy(&ether_buf[0], nit_buf, data.len);
ether_bsize = 0;
ether_in++;
IOPage->dlethernet[3] = data.len;
((DLETHERCSB *)IOPage->dlethernet)->DLFIRSTICB = data.len;
((INTSTAT *)NativeAligned4FromLAddr(*INTERRUPTSTATE_word))->ETHERInterrupt = 1;
ETHEREventCount++;
Irq_Stk_Check = Irq_Stk_End = 0;
@@ -649,7 +649,7 @@ LispPTR get_packet(void) {
memcpy(&ether_buf[0], &nit_buf[nitpos], fromlen);
ether_bsize = 0; /* deactivate receiver */
ether_in++;
IOPage->dlethernet[3] = fromlen;
((DLETHERCSB *)IOPage->dlethernet)->DLFIRSTICB = fromlen;
DBPRINT(("Found packet len %d, at pos %d in buflen %d.\n", fromlen, nitpos, nitlen));
nitpos += fromlen;
return (ATOM_T);
@@ -683,7 +683,7 @@ LispPTR get_packet(void) {
memcpy(&ether_buf[0], nit_buf, data.len);
ether_bsize = 0;
ether_in++;
IOPage->dlethernet[3] = data.len;
((DLETHERCSB *)IOPage->dlethernet)->DLFIRSTICB = data.len;
return (ATOM_T);
}
} else if (errno != EWOULDBLOCK)