diff options
Diffstat (limited to 'net/etherboot/files')
| -rw-r--r-- | net/etherboot/files/patch-ab | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/net/etherboot/files/patch-ab b/net/etherboot/files/patch-ab new file mode 100644 index 000000000000..50a8f5ea2d00 --- /dev/null +++ b/net/etherboot/files/patch-ab @@ -0,0 +1,42 @@ +--- nfs.c.orig Tue Mar 12 21:44:19 2002 ++++ nfs.c Thu Mar 14 07:51:43 2002 +@@ -321,6 +321,14 @@ + int retries; + long *p; + ++ static int tokens=0; ++ /* ++ * Try to implement something similar to a window protocol in ++ * terms of response to losses. On successful receive, increment ++ * the number of tokens by 1 (cap at 256). On failure, halve it. ++ * When the number of tokens is >= 2, use a very short timeout. ++ */ ++ + id = rpc_id++; + buf.u.call.id = htonl(id); + buf.u.call.type = htonl(MSG_CALL); +@@ -336,9 +344,14 @@ + *p++ = 0; /* unused parameter */ + for (retries = 0; retries < MAX_RPC_RETRIES; retries++) { + long timeout = rfc2131_sleep_interval(TIMEOUT, retries); ++ if (tokens >= 2) ++ timeout = TICKS_PER_SEC/2; ++ + udp_transmit(arptable[server].ipaddr.s_addr, sport, port, + (char *)p - (char *)&buf, &buf); + if (await_reply(AWAIT_RPC, sport, &id, timeout)) { ++ if (tokens < 256) ++ tokens++; + rpc = (struct rpc_t *)&nic.packet[ETH_HLEN]; + if (rpc->u.reply.rstatus || rpc->u.reply.verifier || + rpc->u.reply.astatus || rpc->u.reply.data[0]) { +@@ -355,7 +368,8 @@ + } else { + return 0; + } +- } ++ } else ++ tokens >>= 1; + } + return -1; + } |