diff options
author | Peter Maydell <peter.maydell@linaro.org> | 2018-06-01 14:58:53 +0100 |
---|---|---|
committer | Peter Maydell <peter.maydell@linaro.org> | 2018-06-01 14:58:53 +0100 |
commit | 9be4af13305f24d2dabf94bb53e6b65c76d08bb2 (patch) | |
tree | 7a337d256dec06e000d56e76b0c621983fa2f5fa /slirp | |
parent | c25e8bba1f546ea72744ccfab77f8a9e8a323be8 (diff) | |
parent | 47335eeea8f1d14b7c6a1dd585a25a9166721168 (diff) | |
download | qemu-9be4af13305f24d2dabf94bb53e6b65c76d08bb2.zip qemu-9be4af13305f24d2dabf94bb53e6b65c76d08bb2.tar.gz qemu-9be4af13305f24d2dabf94bb53e6b65c76d08bb2.tar.bz2 |
Merge remote-tracking branch 'remotes/thibault/tags/samuel-thibault' into staging
slirp updates
Alexey Kardashevskiy
slirp: Improve debugging messages
Andreas Gustafsson, Samuel Thibault, James Clarke
slirp: Improve bandwidth in GDB remote debugging and FreeBSD guests
Benjamin Drung:
slirp/dhcp: Add domainname option
Cédric Le Goater (3):
slirp/ncsi: fix "Get Version ID" payload length
slirp/ncsi: add a "Get Parameters" response
slirp/ncsi: add checksum support
Nia Alarie:
net/slirp: Convert atoi to qemu_strtoi to allow error checking
# gpg: Signature made Fri 01 Jun 2018 14:54:45 BST
# gpg: using RSA key 996849C1CF560478
# gpg: Good signature from "Samuel Thibault <samuel.thibault@aquilenet.fr>"
# gpg: aka "Samuel Thibault <sthibault@debian.org>"
# gpg: aka "Samuel Thibault <samuel.thibault@gnu.org>"
# gpg: aka "Samuel Thibault <samuel.thibault@inria.fr>"
# gpg: aka "Samuel Thibault <samuel.thibault@labri.fr>"
# gpg: aka "Samuel Thibault <samuel.thibault@ens-lyon.org>"
# gpg: aka "Samuel Thibault <samuel.thibault@u-bordeaux.fr>"
# gpg: WARNING: This key is not certified with sufficiently trusted signatures!
# gpg: It is not certain that the signature belongs to the owner.
# Primary key fingerprint: 900C B024 B679 31D4 0F82 304B D017 8C76 7D06 9EE6
# Subkey fingerprint: 3A3A 5D46 4660 E867 610C A427 9968 49C1 CF56 0478
* remotes/thibault/tags/samuel-thibault:
slirp/ncsi: add checksum support
slirp/ncsi: add a "Get Parameters" response
slirp/ncsi: fix "Get Version ID" payload length
slirp: Send window updates to guest after window was closed
net/slirp: Convert atoi to qemu_strtoi to allow error checking
slirp/debug: Print IP addresses in human readable form
slirp: disable Nagle in ingoing connections
slirp: disable Nagle in outgoing connections
slirp: Add domainname option to slirp's DHCP server
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'slirp')
-rw-r--r-- | slirp/arp_table.c | 4 | ||||
-rw-r--r-- | slirp/bootp.c | 8 | ||||
-rw-r--r-- | slirp/libslirp.h | 2 | ||||
-rw-r--r-- | slirp/ncsi.c | 51 | ||||
-rw-r--r-- | slirp/slirp.c | 16 | ||||
-rw-r--r-- | slirp/slirp.h | 1 | ||||
-rw-r--r-- | slirp/socket.c | 6 | ||||
-rw-r--r-- | slirp/tcp_subr.c | 2 |
8 files changed, 71 insertions, 19 deletions
diff --git a/slirp/arp_table.c b/slirp/arp_table.c index bac608f..f81963b 100644 --- a/slirp/arp_table.c +++ b/slirp/arp_table.c @@ -33,7 +33,7 @@ void arp_table_add(Slirp *slirp, uint32_t ip_addr, uint8_t ethaddr[ETH_ALEN]) int i; DEBUG_CALL("arp_table_add"); - DEBUG_ARG("ip = %s", inet_ntoa(*(struct in_addr *)&ip_addr)); + DEBUG_ARG("ip = %s", inet_ntoa((struct in_addr){.s_addr = ip_addr})); DEBUG_ARGS((dfd, " hw addr = %02x:%02x:%02x:%02x:%02x:%02x\n", ethaddr[0], ethaddr[1], ethaddr[2], ethaddr[3], ethaddr[4], ethaddr[5])); @@ -67,7 +67,7 @@ bool arp_table_search(Slirp *slirp, uint32_t ip_addr, int i; DEBUG_CALL("arp_table_search"); - DEBUG_ARG("ip = %s", inet_ntoa(*(struct in_addr *)&ip_addr)); + DEBUG_ARG("ip = %s", inet_ntoa((struct in_addr){.s_addr = ip_addr})); /* If broadcast address */ if (ip_addr == 0xffffffff || ip_addr == broadcast_addr) { diff --git a/slirp/bootp.c b/slirp/bootp.c index 5dd1a41..9e7b53b 100644 --- a/slirp/bootp.c +++ b/slirp/bootp.c @@ -298,6 +298,14 @@ static void bootp_reply(Slirp *slirp, const struct bootp_t *bp) q += val; } + if (slirp->vdomainname) { + val = strlen(slirp->vdomainname); + *q++ = RFC1533_DOMAINNAME; + *q++ = val; + memcpy(q, slirp->vdomainname, val); + q += val; + } + if (slirp->vdnssearch) { size_t spaceleft = sizeof(rbp->bp_vend) - (q - rbp->bp_vend); val = slirp->vdnssearch_len; diff --git a/slirp/libslirp.h b/slirp/libslirp.h index 540b3e5..740408a 100644 --- a/slirp/libslirp.h +++ b/slirp/libslirp.h @@ -16,7 +16,7 @@ Slirp *slirp_init(int restricted, bool in_enabled, struct in_addr vnetwork, const char *tftp_path, const char *bootfile, struct in_addr vdhcp_start, struct in_addr vnameserver, struct in6_addr vnameserver6, const char **vdnssearch, - void *opaque); + const char *vdomainname, void *opaque); void slirp_cleanup(Slirp *slirp); void slirp_pollfds_fill(GArray *pollfds, uint32_t *timeout); diff --git a/slirp/ncsi.c b/slirp/ncsi.c index d12ba3e..7116034 100644 --- a/slirp/ncsi.c +++ b/slirp/ncsi.c @@ -1,7 +1,7 @@ /* * NC-SI (Network Controller Sideband Interface) "echo" model * - * Copyright (C) 2016 IBM Corp. + * Copyright (C) 2016-2018 IBM Corp. * * This code is licensed under the GPL version 2 or later. See the * COPYING file in the top-level directory. @@ -11,6 +11,23 @@ #include "ncsi-pkt.h" +static uint32_t ncsi_calculate_checksum(uint16_t *data, int len) +{ + uint32_t checksum = 0; + int i; + + /* + * 32-bit unsigned sum of the NC-SI packet header and NC-SI packet + * payload interpreted as a series of 16-bit unsigned integer values. + */ + for (i = 0; i < len; i++) { + checksum += htons(data[i]); + } + + checksum = (~checksum + 1); + return checksum; +} + /* Get Capabilities */ static int ncsi_rsp_handler_gc(struct ncsi_rsp_pkt_hdr *rnh) { @@ -35,6 +52,20 @@ static int ncsi_rsp_handler_gls(struct ncsi_rsp_pkt_hdr *rnh) return 0; } +/* Get Parameters */ +static int ncsi_rsp_handler_gp(struct ncsi_rsp_pkt_hdr *rnh) +{ + struct ncsi_rsp_gp_pkt *rsp = (struct ncsi_rsp_gp_pkt *) rnh; + + /* no MAC address filters or VLAN filters on the channel */ + rsp->mac_cnt = 0; + rsp->mac_enable = 0; + rsp->vlan_cnt = 0; + rsp->vlan_enable = 0; + + return 0; +} + static const struct ncsi_rsp_handler { unsigned char type; int payload; @@ -60,9 +91,9 @@ static const struct ncsi_rsp_handler { { NCSI_PKT_RSP_EGMF, 4, NULL }, { NCSI_PKT_RSP_DGMF, 4, NULL }, { NCSI_PKT_RSP_SNFC, 4, NULL }, - { NCSI_PKT_RSP_GVI, 36, NULL }, + { NCSI_PKT_RSP_GVI, 40, NULL }, { NCSI_PKT_RSP_GC, 32, ncsi_rsp_handler_gc }, - { NCSI_PKT_RSP_GP, -1, NULL }, + { NCSI_PKT_RSP_GP, 40, ncsi_rsp_handler_gp }, { NCSI_PKT_RSP_GCPS, 172, NULL }, { NCSI_PKT_RSP_GNS, 172, NULL }, { NCSI_PKT_RSP_GNPTS, 172, NULL }, @@ -87,6 +118,9 @@ void ncsi_input(Slirp *slirp, const uint8_t *pkt, int pkt_len) (ncsi_reply + ETH_HLEN); const struct ncsi_rsp_handler *handler = NULL; int i; + int ncsi_rsp_len = sizeof(*nh); + uint32_t checksum; + uint32_t *pchecksum; memset(ncsi_reply, 0, sizeof(ncsi_reply)); @@ -116,15 +150,18 @@ void ncsi_input(Slirp *slirp, const uint8_t *pkt, int pkt_len) /* TODO: handle errors */ handler->handler(rnh); } + ncsi_rsp_len += handler->payload; } else { rnh->common.length = 0; rnh->code = htons(NCSI_PKT_RSP_C_UNAVAILABLE); rnh->reason = htons(NCSI_PKT_RSP_R_UNKNOWN); } - /* TODO: add a checksum at the end of the frame but the specs - * allows it to be zero */ + /* Add the optional checksum at the end of the frame. */ + checksum = ncsi_calculate_checksum((uint16_t *) rnh, ncsi_rsp_len); + pchecksum = (uint32_t *)((void *) rnh + ncsi_rsp_len); + *pchecksum = htonl(checksum); + ncsi_rsp_len += 4; - slirp_output(slirp->opaque, ncsi_reply, ETH_HLEN + sizeof(*nh) + - (handler ? handler->payload : 0) + 4); + slirp_output(slirp->opaque, ncsi_reply, ETH_HLEN + ncsi_rsp_len); } diff --git a/slirp/slirp.c b/slirp/slirp.c index 1cb6b07..5c3bd61 100644 --- a/slirp/slirp.c +++ b/slirp/slirp.c @@ -286,7 +286,7 @@ Slirp *slirp_init(int restricted, bool in_enabled, struct in_addr vnetwork, const char *tftp_path, const char *bootfile, struct in_addr vdhcp_start, struct in_addr vnameserver, struct in6_addr vnameserver6, const char **vdnssearch, - void *opaque) + const char *vdomainname, void *opaque) { Slirp *slirp = g_malloc0(sizeof(Slirp)); @@ -317,6 +317,7 @@ Slirp *slirp_init(int restricted, bool in_enabled, struct in_addr vnetwork, } slirp->tftp_prefix = g_strdup(tftp_path); slirp->bootp_filename = g_strdup(bootfile); + slirp->vdomainname = g_strdup(vdomainname); slirp->vdhcp_startaddr = vdhcp_start; slirp->vnameserver_addr = vnameserver; slirp->vnameserver_addr6 = vnameserver6; @@ -349,6 +350,7 @@ void slirp_cleanup(Slirp *slirp) g_free(slirp->vdnssearch); g_free(slirp->tftp_prefix); g_free(slirp->bootp_filename); + g_free(slirp->vdomainname); g_free(slirp); } @@ -676,13 +678,13 @@ void slirp_pollfds_poll(GArray *pollfds, int select_error) /* continue; */ } else { ret = sowrite(so); + if (ret > 0) { + /* Call tcp_output in case we need to send a window + * update to the guest, otherwise it will be stuck + * until it sends a window probe. */ + tcp_output(sototcpcb(so)); + } } - /* - * XXXXX If we wrote something (a lot), there - * could be a need for a window update. - * In the worst case, the remote will send - * a window probe to get things going again - */ } /* diff --git a/slirp/slirp.h b/slirp/slirp.h index 06febfc..10b4108 100644 --- a/slirp/slirp.h +++ b/slirp/slirp.h @@ -193,6 +193,7 @@ struct Slirp { char *bootp_filename; size_t vdnssearch_len; uint8_t *vdnssearch; + char *vdomainname; /* tcp states */ struct socket tcb; diff --git a/slirp/socket.c b/slirp/socket.c index 61347d1..e2a71c9 100644 --- a/slirp/socket.c +++ b/slirp/socket.c @@ -701,9 +701,9 @@ tcp_listen(Slirp *slirp, uint32_t haddr, u_int hport, uint32_t laddr, memset(&addr, 0, addrlen); DEBUG_CALL("tcp_listen"); - DEBUG_ARG("haddr = %s", inet_ntoa(*(struct in_addr *)&haddr)); + DEBUG_ARG("haddr = %s", inet_ntoa((struct in_addr){.s_addr = haddr})); DEBUG_ARG("hport = %d", ntohs(hport)); - DEBUG_ARG("laddr = %s", inet_ntoa(*(struct in_addr *)&laddr)); + DEBUG_ARG("laddr = %s", inet_ntoa((struct in_addr){.s_addr = laddr})); DEBUG_ARG("lport = %d", ntohs(lport)); DEBUG_ARG("flags = %x", flags); @@ -754,6 +754,8 @@ tcp_listen(Slirp *slirp, uint32_t haddr, u_int hport, uint32_t laddr, return NULL; } qemu_setsockopt(s, SOL_SOCKET, SO_OOBINLINE, &opt, sizeof(int)); + opt = 1; + qemu_setsockopt(s, IPPROTO_TCP, TCP_NODELAY, &opt, sizeof(int)); getsockname(s,(struct sockaddr *)&addr,&addrlen); so->so_ffamily = AF_INET; diff --git a/slirp/tcp_subr.c b/slirp/tcp_subr.c index da0d537..8d0f94b 100644 --- a/slirp/tcp_subr.c +++ b/slirp/tcp_subr.c @@ -416,6 +416,8 @@ int tcp_fconnect(struct socket *so, unsigned short af) socket_set_fast_reuse(s); opt = 1; qemu_setsockopt(s, SOL_SOCKET, SO_OOBINLINE, &opt, sizeof(opt)); + opt = 1; + qemu_setsockopt(s, IPPROTO_TCP, TCP_NODELAY, &opt, sizeof(opt)); addr = so->fhost.ss; DEBUG_CALL(" connect()ing") |