From patchwork Wed Nov 14 12:36:07 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Marc-Andr=C3=A9_Lureau?= X-Patchwork-Id: 997671 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (mailfrom) smtp.mailfrom=nongnu.org (client-ip=2001:4830:134:3::11; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=) Authentication-Results: ozlabs.org; dmarc=fail (p=none dis=none) header.from=redhat.com Received: from lists.gnu.org (lists.gnu.org [IPv6:2001:4830:134:3::11]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 42w3vS11JNz9s3q for ; Wed, 14 Nov 2018 23:38:44 +1100 (AEDT) Received: from localhost ([::1]:59797 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gMuRN-0008SK-Nz for incoming@patchwork.ozlabs.org; Wed, 14 Nov 2018 07:38:41 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:58720) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gMuQd-0008QS-Q5 for qemu-devel@nongnu.org; Wed, 14 Nov 2018 07:37:56 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1gMuQZ-00010m-KG for qemu-devel@nongnu.org; Wed, 14 Nov 2018 07:37:54 -0500 Received: from mx1.redhat.com ([209.132.183.28]:52913) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1gMuQZ-0000zd-CE for qemu-devel@nongnu.org; Wed, 14 Nov 2018 07:37:51 -0500 Received: from smtp.corp.redhat.com (int-mx06.intmail.prod.int.phx2.redhat.com [10.5.11.16]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id AA0E7C07224C; Wed, 14 Nov 2018 12:37:49 +0000 (UTC) Received: from localhost (ovpn-112-55.ams2.redhat.com [10.36.112.55]) by smtp.corp.redhat.com (Postfix) with ESMTP id 4C8685C1A1; Wed, 14 Nov 2018 12:37:41 +0000 (UTC) From: =?utf-8?q?Marc-Andr=C3=A9_Lureau?= To: qemu-devel@nongnu.org Date: Wed, 14 Nov 2018 16:36:07 +0400 Message-Id: <20181114123643.24091-6-marcandre.lureau@redhat.com> In-Reply-To: <20181114123643.24091-1-marcandre.lureau@redhat.com> References: <20181114123643.24091-1-marcandre.lureau@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.16 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.32]); Wed, 14 Nov 2018 12:37:49 +0000 (UTC) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 209.132.183.28 Subject: [Qemu-devel] [PATCH for-3.2 05/41] slirp: use a callback structure to interface with qemu X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: samuel.thibault@ens-lyon.org, =?utf-8?q?Marc-Andr=C3=A9_Lureau?= , rjones@redhat.com, stefanha@redhat.com, renzo@cs.unibo.it Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" This will bring slirp a bit forward to the state of an independent project. This could be squashed with earlier submitted "slirp: associate slirp_output". Signed-off-by: Marc-André Lureau Reviewed-by: Philippe Mathieu-Daudé --- slirp/libslirp.h | 7 +++++-- slirp/slirp.h | 2 +- net/slirp.c | 6 +++++- slirp/ncsi.c | 2 +- slirp/slirp.c | 10 +++++----- 5 files changed, 17 insertions(+), 10 deletions(-) diff --git a/slirp/libslirp.h b/slirp/libslirp.h index 04b6db9f49..36d5fb9163 100644 --- a/slirp/libslirp.h +++ b/slirp/libslirp.h @@ -5,7 +5,10 @@ typedef struct Slirp Slirp; -typedef void (*slirp_output)(void *opaque, const uint8_t *pkt, int pkt_len); +typedef struct SlirpCb { + void (*output)(void *opaque, const uint8_t *pkt, int pkt_len); +} SlirpCb; + Slirp *slirp_init(int restricted, bool in_enabled, struct in_addr vnetwork, struct in_addr vnetmask, struct in_addr vhost, @@ -17,7 +20,7 @@ Slirp *slirp_init(int restricted, bool in_enabled, struct in_addr vnetwork, struct in_addr vdhcp_start, struct in_addr vnameserver, struct in6_addr vnameserver6, const char **vdnssearch, const char *vdomainname, - slirp_output output, + const SlirpCb *callbacks, void *opaque); void slirp_cleanup(Slirp *slirp); diff --git a/slirp/slirp.h b/slirp/slirp.h index de299aa36c..f7c087456a 100644 --- a/slirp/slirp.h +++ b/slirp/slirp.h @@ -220,7 +220,7 @@ struct Slirp { GRand *grand; QEMUTimer *ra_timer; - slirp_output output; + const SlirpCb *cb; void *opaque; }; diff --git a/net/slirp.c b/net/slirp.c index dfc72cfc2e..233f66b1ef 100644 --- a/net/slirp.c +++ b/net/slirp.c @@ -140,6 +140,10 @@ static NetClientInfo net_slirp_info = { .cleanup = net_slirp_cleanup, }; +static SlirpCb slirp_cb = { + .output = net_slirp_output, +}; + static int net_slirp_init(NetClientState *peer, const char *model, const char *name, int restricted, bool ipv4, const char *vnetwork, const char *vhost, @@ -379,7 +383,7 @@ static int net_slirp_init(NetClientState *peer, const char *model, vhostname, tftp_server_name, tftp_export, bootfile, dhcp, dns, ip6_dns, dnssearch, vdomainname, - net_slirp_output, s); + &slirp_cb, s); QTAILQ_INSERT_TAIL(&slirp_stacks, s, entry); for (config = slirp_configs; config; config = config->next) { diff --git a/slirp/ncsi.c b/slirp/ncsi.c index d7701f7785..10decfb5ef 100644 --- a/slirp/ncsi.c +++ b/slirp/ncsi.c @@ -163,5 +163,5 @@ void ncsi_input(Slirp *slirp, const uint8_t *pkt, int pkt_len) *pchecksum = htonl(checksum); ncsi_rsp_len += 4; - slirp->output(slirp->opaque, ncsi_reply, ETH_HLEN + ncsi_rsp_len); + slirp->cb->output(slirp->opaque, ncsi_reply, ETH_HLEN + ncsi_rsp_len); } diff --git a/slirp/slirp.c b/slirp/slirp.c index 0e4ade3e4a..7213915bf3 100644 --- a/slirp/slirp.c +++ b/slirp/slirp.c @@ -288,14 +288,14 @@ Slirp *slirp_init(int restricted, bool in_enabled, struct in_addr vnetwork, struct in_addr vdhcp_start, struct in_addr vnameserver, struct in6_addr vnameserver6, const char **vdnssearch, const char *vdomainname, - slirp_output output, + const SlirpCb *callbacks, void *opaque) { Slirp *slirp = g_malloc0(sizeof(Slirp)); slirp_init_once(); - slirp->output = output; + slirp->cb = callbacks; slirp->grand = g_rand_new(); slirp->restricted = restricted; @@ -843,7 +843,7 @@ static void arp_input(Slirp *slirp, const uint8_t *pkt, int pkt_len) rah->ar_sip = ah->ar_tip; memcpy(rah->ar_tha, ah->ar_sha, ETH_ALEN); rah->ar_tip = ah->ar_sip; - slirp->output(slirp->opaque, arp_reply, sizeof(arp_reply)); + slirp->cb->output(slirp->opaque, arp_reply, sizeof(arp_reply)); } break; case ARPOP_REPLY: @@ -943,7 +943,7 @@ static int if_encap4(Slirp *slirp, struct mbuf *ifm, struct ethhdr *eh, /* target IP */ rah->ar_tip = iph->ip_dst.s_addr; slirp->client_ipaddr = iph->ip_dst; - slirp->output(slirp->opaque, arp_req, sizeof(arp_req)); + slirp->cb->output(slirp->opaque, arp_req, sizeof(arp_req)); ifm->resolution_requested = true; /* Expire request and drop outgoing packet after 1 second */ @@ -1029,7 +1029,7 @@ int if_encap(Slirp *slirp, struct mbuf *ifm) eh->h_dest[0], eh->h_dest[1], eh->h_dest[2], eh->h_dest[3], eh->h_dest[4], eh->h_dest[5])); memcpy(buf + sizeof(struct ethhdr), ifm->m_data, ifm->m_len); - slirp->output(slirp->opaque, buf, ifm->m_len + ETH_HLEN); + slirp->cb->output(slirp->opaque, buf, ifm->m_len + ETH_HLEN); return 1; }