From nobody Tue Feb 10 20:30:56 2026 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zohomail.com; spf=pass (zoho.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1547425015513730.0419347904431; Sun, 13 Jan 2019 16:16:55 -0800 (PST) Received: from localhost ([127.0.0.1]:40320 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gipvy-0003RL-3k for importer@patchew.org; Sun, 13 Jan 2019 19:16:54 -0500 Received: from eggs.gnu.org ([209.51.188.92]:51256) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gipk7-0002zF-Ql for qemu-devel@nongnu.org; Sun, 13 Jan 2019 19:04:41 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1gipk4-0006PL-2M for qemu-devel@nongnu.org; Sun, 13 Jan 2019 19:04:39 -0500 Received: from hera.aquilenet.fr ([2a0c:e300::1]:57280) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1gipk3-0006LN-Hb for qemu-devel@nongnu.org; Sun, 13 Jan 2019 19:04:35 -0500 Received: from localhost (localhost [127.0.0.1]) by hera.aquilenet.fr (Postfix) with ESMTP id E7A551B9C; Mon, 14 Jan 2019 01:04:22 +0100 (CET) Received: from hera.aquilenet.fr ([127.0.0.1]) by localhost (hera.aquilenet.fr [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id GSyi9d5Rm0Bh; Mon, 14 Jan 2019 01:04:21 +0100 (CET) Received: from function.home (lfbn-1-11161-124.w86-213.abo.wanadoo.fr [86.213.235.124]) by hera.aquilenet.fr (Postfix) with ESMTPSA id 4225B1B9E; Mon, 14 Jan 2019 01:04:07 +0100 (CET) Received: from samy by function.home with local (Exim 4.92-RC4) (envelope-from ) id 1gipjZ-0007nd-4n; Mon, 14 Jan 2019 01:04:05 +0100 X-Virus-Scanned: Debian amavisd-new at aquilenet.fr From: Samuel Thibault To: qemu-devel@nongnu.org Date: Mon, 14 Jan 2019 01:02:36 +0100 Message-Id: <20190114000326.29847-16-samuel.thibault@ens-lyon.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190114000326.29847-1-samuel.thibault@ens-lyon.org> References: <20190114000326.29847-1-samuel.thibault@ens-lyon.org> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2a0c:e300::1 Subject: [Qemu-devel] [PULL 15/65] 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: =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Samuel Thibault , stefanha@redhat.com, jan.kiszka@siemens.com Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" Content-Type: text/plain; charset="utf-8" From: Marc-Andr=C3=A9 Lureau This will bring slirp a bit forward to the state of an independent project. Signed-off-by: Marc-Andr=C3=A9 Lureau Reviewed-by: Philippe Mathieu-Daud=C3=A9 Signed-off-by: Samuel Thibault --- net/slirp.c | 6 +++++- slirp/libslirp.h | 13 +++++++++++-- slirp/ncsi.c | 2 +- slirp/slirp.c | 10 +++++----- slirp/slirp.h | 2 +- 5 files changed, 23 insertions(+), 10 deletions(-) diff --git a/net/slirp.c b/net/slirp.c index b7319ca6b2..031c324f02 100644 --- a/net/slirp.c +++ b/net/slirp.c @@ -140,6 +140,10 @@ static NetClientInfo net_slirp_info =3D { .cleanup =3D net_slirp_cleanup, }; =20 +static const SlirpCb slirp_cb =3D { + .output =3D 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 *vho= st, @@ -379,7 +383,7 @@ static int net_slirp_init(NetClientState *peer, const c= har *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); =20 for (config =3D slirp_configs; config; config =3D config->next) { diff --git a/slirp/libslirp.h b/slirp/libslirp.h index 04b6db9f49..a5d1b27b5e 100644 --- a/slirp/libslirp.h +++ b/slirp/libslirp.h @@ -5,7 +5,16 @@ =20 typedef struct Slirp Slirp; =20 -typedef void (*slirp_output)(void *opaque, const uint8_t *pkt, int pkt_len= ); +/* + * Callbacks from slirp + * + * The opaque parameter comes from the opaque parameter given to slirp_ini= t(). + */ +typedef struct SlirpCb { + /* Send an ethernet frame to the guest network. */ + void (*output)(void *opaque, const uint8_t *pkt, int pkt_len); +} SlirpCb; + =20 Slirp *slirp_init(int restricted, bool in_enabled, struct in_addr vnetwork, struct in_addr vnetmask, struct in_addr vhost, @@ -17,7 +26,7 @@ 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); =20 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 p= kt_len) *pchecksum =3D htonl(checksum); ncsi_rsp_len +=3D 4; =20 - 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 1627436e7d..bab49e83e3 100644 --- a/slirp/slirp.c +++ b/slirp/slirp.c @@ -288,14 +288,14 @@ Slirp *slirp_init(int restricted, bool in_enabled, st= ruct 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 =3D g_malloc0(sizeof(Slirp)); =20 slirp_init_once(); =20 - slirp->output =3D output; + slirp->cb =3D callbacks; slirp->grand =3D g_rand_new(); slirp->restricted =3D restricted; =20 @@ -843,7 +843,7 @@ static void arp_input(Slirp *slirp, const uint8_t *pkt,= int pkt_len) rah->ar_sip =3D ah->ar_tip; memcpy(rah->ar_tha, ah->ar_sha, ETH_ALEN); rah->ar_tip =3D 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, st= ruct ethhdr *eh, /* target IP */ rah->ar_tip =3D iph->ip_dst.s_addr; slirp->client_ipaddr =3D 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 =3D true; =20 /* 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; } =20 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; =20 - slirp_output output; + const SlirpCb *cb; void *opaque; }; =20 --=20 2.20.1