From bd3d7132b9ac62a093610cf0b9360356e4898f13 Mon Sep 17 00:00:00 2001 From: Jamal Hadi Salim Date: Mon, 22 Feb 2010 16:20:22 -0800 Subject: [PATCH 2/7] xfrm: SA lookups signature with mark pass mark to all SA lookups to prepare them for when we add code to have them search. Signed-off-by: Jamal Hadi Salim Signed-off-by: David S. Miller --- include/net/xfrm.h | 23 +++++++++++++----- net/core/pktgen.c | 3 +- net/ipv4/ah4.c | 2 +- net/ipv4/esp4.c | 2 +- net/ipv4/ipcomp.c | 6 +++- net/ipv6/ah6.c | 2 +- net/ipv6/esp6.c | 2 +- net/ipv6/ipcomp6.c | 6 +++- net/ipv6/xfrm6_input.c | 2 +- net/key/af_key.c | 14 ++++++----- net/xfrm/xfrm_input.c | 2 +- net/xfrm/xfrm_state.c | 58 ++++++++++++++++++++++++++++------------------- net/xfrm/xfrm_user.c | 17 ++++++++----- 13 files changed, 84 insertions(+), 55 deletions(-) diff --git a/include/net/xfrm.h b/include/net/xfrm.h index ba8d34f..0f3c0f4 100644 --- a/include/net/xfrm.h +++ b/include/net/xfrm.h @@ -1325,7 +1325,7 @@ extern struct xfrm_state *xfrm_state_find(xfrm_address_t *daddr, xfrm_address_t struct flowi *fl, struct xfrm_tmpl *tmpl, struct xfrm_policy *pol, int *err, unsigned short family); -extern struct xfrm_state * xfrm_stateonly_find(struct net *net, +extern struct xfrm_state *xfrm_stateonly_find(struct net *net, u32 mark, xfrm_address_t *daddr, xfrm_address_t *saddr, unsigned short family, @@ -1334,8 +1334,14 @@ extern int xfrm_state_check_expire(struct xfrm_state *x); extern void xfrm_state_insert(struct xfrm_state *x); extern int xfrm_state_add(struct xfrm_state *x); extern int xfrm_state_update(struct xfrm_state *x); -extern struct xfrm_state *xfrm_state_lookup(struct net *net, xfrm_address_t *daddr, __be32 spi, u8 proto, unsigned short family); -extern struct xfrm_state *xfrm_state_lookup_byaddr(struct net *net, xfrm_address_t *daddr, xfrm_address_t *saddr, u8 proto, unsigned short family); +extern struct xfrm_state *xfrm_state_lookup(struct net *net, u32 mark, + xfrm_address_t *daddr, __be32 spi, + u8 proto, unsigned short family); +extern struct xfrm_state *xfrm_state_lookup_byaddr(struct net *net, u32 mark, + xfrm_address_t *daddr, + xfrm_address_t *saddr, + u8 proto, + unsigned short family); #ifdef CONFIG_XFRM_SUB_POLICY extern int xfrm_tmpl_sort(struct xfrm_tmpl **dst, struct xfrm_tmpl **src, int n, unsigned short family); @@ -1372,7 +1378,8 @@ struct xfrmk_spdinfo { u32 spdhmcnt; }; -extern struct xfrm_state *xfrm_find_acq_byseq(struct net *net, u32 seq); +extern struct xfrm_state *xfrm_find_acq_byseq(struct net *net, u32 mark, + u32 seq); extern int xfrm_state_delete(struct xfrm_state *x); extern int xfrm_state_flush(struct net *net, u8 proto, struct xfrm_audit *audit_info); extern void xfrm_sad_getinfo(struct xfrmk_sadinfo *si); @@ -1457,9 +1464,11 @@ struct xfrm_policy *xfrm_policy_byid(struct net *net, u8, int dir, u32 id, int d int xfrm_policy_flush(struct net *net, u8 type, struct xfrm_audit *audit_info); u32 xfrm_get_acqseq(void); extern int xfrm_alloc_spi(struct xfrm_state *x, u32 minspi, u32 maxspi); -struct xfrm_state * xfrm_find_acq(struct net *net, u8 mode, u32 reqid, u8 proto, - xfrm_address_t *daddr, xfrm_address_t *saddr, - int create, unsigned short family); +struct xfrm_state *xfrm_find_acq(struct net *net, struct xfrm_mark *mark, + u8 mode, u32 reqid, u8 proto, + xfrm_address_t *daddr, + xfrm_address_t *saddr, int create, + unsigned short family); extern int xfrm_sk_policy_insert(struct sock *sk, int dir, struct xfrm_policy *pol); extern int xfrm_bundle_ok(struct xfrm_policy *pol, struct xfrm_dst *xdst, struct flowi *fl, int family, int strict); diff --git a/net/core/pktgen.c b/net/core/pktgen.c index 6e79e96..6b811e1 100644 --- a/net/core/pktgen.c +++ b/net/core/pktgen.c @@ -2189,12 +2189,13 @@ static inline int f_pick(struct pktgen_dev *pkt_dev) /* If there was already an IPSEC SA, we keep it as is, else * we go look for it ... */ +#define DUMMY_MARK 0 static void get_ipsec_sa(struct pktgen_dev *pkt_dev, int flow) { struct xfrm_state *x = pkt_dev->flows[flow].x; if (!x) { /*slow path: we dont already have xfrm_state*/ - x = xfrm_stateonly_find(&init_net, + x = xfrm_stateonly_find(&init_net, DUMMY_MARK, (xfrm_address_t *)&pkt_dev->cur_daddr, (xfrm_address_t *)&pkt_dev->cur_saddr, AF_INET, diff --git a/net/ipv4/ah4.c b/net/ipv4/ah4.c index 5c66270..b4f1d57 100644 --- a/net/ipv4/ah4.c +++ b/net/ipv4/ah4.c @@ -210,7 +210,7 @@ static void ah4_err(struct sk_buff *skb, u32 info) icmp_hdr(skb)->code != ICMP_FRAG_NEEDED) return; - x = xfrm_state_lookup(net, (xfrm_address_t *)&iph->daddr, ah->spi, IPPROTO_AH, AF_INET); + x = xfrm_state_lookup(net, skb->mark, (xfrm_address_t *)&iph->daddr, ah->spi, IPPROTO_AH, AF_INET); if (!x) return; printk(KERN_DEBUG "pmtu discovery on SA AH/%08x/%08x\n", diff --git a/net/ipv4/esp4.c b/net/ipv4/esp4.c index 12f7287..dad2c8f 100644 --- a/net/ipv4/esp4.c +++ b/net/ipv4/esp4.c @@ -422,7 +422,7 @@ static void esp4_err(struct sk_buff *skb, u32 info) icmp_hdr(skb)->code != ICMP_FRAG_NEEDED) return; - x = xfrm_state_lookup(net, (xfrm_address_t *)&iph->daddr, esph->spi, IPPROTO_ESP, AF_INET); + x = xfrm_state_lookup(net, skb->mark, (xfrm_address_t *)&iph->daddr, esph->spi, IPPROTO_ESP, AF_INET); if (!x) return; NETDEBUG(KERN_DEBUG "pmtu discovery on SA ESP/%08x/%08x\n", diff --git a/net/ipv4/ipcomp.c b/net/ipv4/ipcomp.c index 38fbf04..28e8000 100644 --- a/net/ipv4/ipcomp.c +++ b/net/ipv4/ipcomp.c @@ -35,7 +35,7 @@ static void ipcomp4_err(struct sk_buff *skb, u32 info) return; spi = htonl(ntohs(ipch->cpi)); - x = xfrm_state_lookup(&init_net, (xfrm_address_t *)&iph->daddr, + x = xfrm_state_lookup(&init_net, skb->mark, (xfrm_address_t *)&iph->daddr, spi, IPPROTO_COMP, AF_INET); if (!x) return; @@ -61,6 +61,7 @@ static struct xfrm_state *ipcomp_tunnel_create(struct xfrm_state *x) t->props.mode = x->props.mode; t->props.saddr.a4 = x->props.saddr.a4; t->props.flags = x->props.flags; + memcpy(&t->mark, &x->mark, sizeof(t->mark)); if (xfrm_init_state(t)) goto error; @@ -84,8 +85,9 @@ static int ipcomp_tunnel_attach(struct xfrm_state *x) { int err = 0; struct xfrm_state *t; + u32 mark = x->mark.v & x->mark.m; - t = xfrm_state_lookup(&init_net, (xfrm_address_t *)&x->id.daddr.a4, + t = xfrm_state_lookup(&init_net, mark, (xfrm_address_t *)&x->id.daddr.a4, x->props.saddr.a4, IPPROTO_IPIP, AF_INET); if (!t) { t = ipcomp_tunnel_create(x); diff --git a/net/ipv6/ah6.c b/net/ipv6/ah6.c index c1589e2..2ab5b2f 100644 --- a/net/ipv6/ah6.c +++ b/net/ipv6/ah6.c @@ -416,7 +416,7 @@ static void ah6_err(struct sk_buff *skb, struct inet6_skb_parm *opt, type != ICMPV6_PKT_TOOBIG) return; - x = xfrm_state_lookup(net, (xfrm_address_t *)&iph->daddr, ah->spi, IPPROTO_AH, AF_INET6); + x = xfrm_state_lookup(net, skb->mark, (xfrm_address_t *)&iph->daddr, ah->spi, IPPROTO_AH, AF_INET6); if (!x) return; diff --git a/net/ipv6/esp6.c b/net/ipv6/esp6.c index af597c7..de0a856 100644 --- a/net/ipv6/esp6.c +++ b/net/ipv6/esp6.c @@ -365,7 +365,7 @@ static void esp6_err(struct sk_buff *skb, struct inet6_skb_parm *opt, type != ICMPV6_PKT_TOOBIG) return; - x = xfrm_state_lookup(net, (xfrm_address_t *)&iph->daddr, esph->spi, IPPROTO_ESP, AF_INET6); + x = xfrm_state_lookup(net, skb->mark, (xfrm_address_t *)&iph->daddr, esph->spi, IPPROTO_ESP, AF_INET6); if (!x) return; printk(KERN_DEBUG "pmtu discovery on SA ESP/%08x/%pI6\n", diff --git a/net/ipv6/ipcomp6.c b/net/ipv6/ipcomp6.c index 2f2a5ca..d74bb3d 100644 --- a/net/ipv6/ipcomp6.c +++ b/net/ipv6/ipcomp6.c @@ -63,7 +63,7 @@ static void ipcomp6_err(struct sk_buff *skb, struct inet6_skb_parm *opt, return; spi = htonl(ntohs(ipcomph->cpi)); - x = xfrm_state_lookup(&init_net, (xfrm_address_t *)&iph->daddr, spi, IPPROTO_COMP, AF_INET6); + x = xfrm_state_lookup(&init_net, skb->mark, (xfrm_address_t *)&iph->daddr, spi, IPPROTO_COMP, AF_INET6); if (!x) return; @@ -90,6 +90,7 @@ static struct xfrm_state *ipcomp6_tunnel_create(struct xfrm_state *x) t->props.family = AF_INET6; t->props.mode = x->props.mode; memcpy(t->props.saddr.a6, x->props.saddr.a6, sizeof(struct in6_addr)); + memcpy(&t->mark, &x->mark, sizeof(t->mark)); if (xfrm_init_state(t)) goto error; @@ -111,10 +112,11 @@ static int ipcomp6_tunnel_attach(struct xfrm_state *x) int err = 0; struct xfrm_state *t = NULL; __be32 spi; + u32 mark = x->mark.m & x->mark.v; spi = xfrm6_tunnel_spi_lookup((xfrm_address_t *)&x->props.saddr); if (spi) - t = xfrm_state_lookup(&init_net, (xfrm_address_t *)&x->id.daddr, + t = xfrm_state_lookup(&init_net, mark, (xfrm_address_t *)&x->id.daddr, spi, IPPROTO_IPV6, AF_INET6); if (!t) { t = ipcomp6_tunnel_create(x); diff --git a/net/ipv6/xfrm6_input.c b/net/ipv6/xfrm6_input.c index 9084582..2bc98ed 100644 --- a/net/ipv6/xfrm6_input.c +++ b/net/ipv6/xfrm6_input.c @@ -101,7 +101,7 @@ int xfrm6_input_addr(struct sk_buff *skb, xfrm_address_t *daddr, break; } - x = xfrm_state_lookup_byaddr(net, dst, src, proto, AF_INET6); + x = xfrm_state_lookup_byaddr(net, skb->mark, dst, src, proto, AF_INET6); if (!x) continue; diff --git a/net/key/af_key.c b/net/key/af_key.c index 4e98193..bcb9ecf 100644 --- a/net/key/af_key.c +++ b/net/key/af_key.c @@ -45,6 +45,8 @@ static DECLARE_WAIT_QUEUE_HEAD(pfkey_table_wait); static DEFINE_RWLOCK(pfkey_table_lock); static atomic_t pfkey_table_users = ATOMIC_INIT(0); +#define DUMMY_MARK 0 +static struct xfrm_mark dummy_mark = {0, 0}; struct pfkey_sock { /* struct sock must be the first member of struct pfkey_sock */ struct sock sk; @@ -690,7 +692,7 @@ static struct xfrm_state *pfkey_xfrm_state_lookup(struct net *net, struct sadb_ if (!xaddr) return NULL; - return xfrm_state_lookup(net, xaddr, sa->sadb_sa_spi, proto, family); + return xfrm_state_lookup(net, DUMMY_MARK, xaddr, sa->sadb_sa_spi, proto, family); } #define PFKEY_ALIGN8(a) (1 + (((a) - 1) | (8 - 1))) @@ -1358,7 +1360,7 @@ static int pfkey_getspi(struct sock *sk, struct sk_buff *skb, struct sadb_msg *h } if (hdr->sadb_msg_seq) { - x = xfrm_find_acq_byseq(net, hdr->sadb_msg_seq); + x = xfrm_find_acq_byseq(net, DUMMY_MARK, hdr->sadb_msg_seq); if (x && xfrm_addr_cmp(&x->id.daddr, xdaddr, family)) { xfrm_state_put(x); x = NULL; @@ -1366,7 +1368,7 @@ static int pfkey_getspi(struct sock *sk, struct sk_buff *skb, struct sadb_msg *h } if (!x) - x = xfrm_find_acq(net, mode, reqid, proto, xdaddr, xsaddr, 1, family); + x = xfrm_find_acq(net, &dummy_mark, mode, reqid, proto, xdaddr, xsaddr, 1, family); if (x == NULL) return -ENOENT; @@ -1415,7 +1417,7 @@ static int pfkey_acquire(struct sock *sk, struct sk_buff *skb, struct sadb_msg * if (hdr->sadb_msg_seq == 0 || hdr->sadb_msg_errno == 0) return 0; - x = xfrm_find_acq_byseq(net, hdr->sadb_msg_seq); + x = xfrm_find_acq_byseq(net, DUMMY_MARK, hdr->sadb_msg_seq); if (x == NULL) return 0; @@ -2592,8 +2594,8 @@ static int pfkey_spdget(struct sock *sk, struct sk_buff *skb, struct sadb_msg *h return -EINVAL; delete = (hdr->sadb_msg_type == SADB_X_SPDDELETE2); - xp = xfrm_policy_byid(net, XFRM_POLICY_TYPE_MAIN, dir, - pol->sadb_x_policy_id, delete, &err); + xp = xfrm_policy_byid(net, XFRM_POLICY_TYPE_MAIN, + dir, pol->sadb_x_policy_id, delete, &err); if (xp == NULL) return -ENOENT; diff --git a/net/xfrm/xfrm_input.c b/net/xfrm/xfrm_input.c index e0009c1..45f1c98 100644 --- a/net/xfrm/xfrm_input.c +++ b/net/xfrm/xfrm_input.c @@ -152,7 +152,7 @@ int xfrm_input(struct sk_buff *skb, int nexthdr, __be32 spi, int encap_type) goto drop; } - x = xfrm_state_lookup(net, daddr, spi, nexthdr, family); + x = xfrm_state_lookup(net, skb->mark, daddr, spi, nexthdr, family); if (x == NULL) { XFRM_INC_STATS(net, LINUX_MIB_XFRMINNOSTATES); xfrm_audit_state_notfound(skb, family, spi, seq); diff --git a/net/xfrm/xfrm_state.c b/net/xfrm/xfrm_state.c index f2f7c63..ff7d83e 100644 --- a/net/xfrm/xfrm_state.c +++ b/net/xfrm/xfrm_state.c @@ -659,7 +659,7 @@ xfrm_init_tempsel(struct xfrm_state *x, struct flowi *fl, return 0; } -static struct xfrm_state *__xfrm_state_lookup(struct net *net, xfrm_address_t *daddr, __be32 spi, u8 proto, unsigned short family) +static struct xfrm_state *__xfrm_state_lookup(struct net *net, u32 mark, xfrm_address_t *daddr, __be32 spi, u8 proto, unsigned short family) { unsigned int h = xfrm_spi_hash(net, daddr, spi, proto, family); struct xfrm_state *x; @@ -679,7 +679,7 @@ static struct xfrm_state *__xfrm_state_lookup(struct net *net, xfrm_address_t *d return NULL; } -static struct xfrm_state *__xfrm_state_lookup_byaddr(struct net *net, xfrm_address_t *daddr, xfrm_address_t *saddr, u8 proto, unsigned short family) +static struct xfrm_state *__xfrm_state_lookup_byaddr(struct net *net, u32 mark, xfrm_address_t *daddr, xfrm_address_t *saddr, u8 proto, unsigned short family) { unsigned int h = xfrm_src_hash(net, daddr, saddr, family); struct xfrm_state *x; @@ -703,12 +703,14 @@ static inline struct xfrm_state * __xfrm_state_locate(struct xfrm_state *x, int use_spi, int family) { struct net *net = xs_net(x); + u32 mark = x->mark.v & x->mark.m; if (use_spi) - return __xfrm_state_lookup(net, &x->id.daddr, x->id.spi, - x->id.proto, family); + return __xfrm_state_lookup(net, mark, &x->id.daddr, + x->id.spi, x->id.proto, family); else - return __xfrm_state_lookup_byaddr(net, &x->id.daddr, + return __xfrm_state_lookup_byaddr(net, mark, + &x->id.daddr, &x->props.saddr, x->id.proto, family); } @@ -773,6 +775,7 @@ xfrm_state_find(xfrm_address_t *daddr, xfrm_address_t *saddr, int acquire_in_progress = 0; int error = 0; struct xfrm_state *best = NULL; + u32 mark = pol->mark.v & pol->mark.m; to_put = NULL; @@ -809,7 +812,7 @@ found: x = best; if (!x && !error && !acquire_in_progress) { if (tmpl->id.spi && - (x0 = __xfrm_state_lookup(net, daddr, tmpl->id.spi, + (x0 = __xfrm_state_lookup(net, mark, daddr, tmpl->id.spi, tmpl->id.proto, family)) != NULL) { to_put = x0; error = -EEXIST; @@ -823,6 +826,7 @@ found: /* Initialize temporary selector matching only * to current session. */ xfrm_init_tempsel(x, fl, tmpl, daddr, saddr, family); + memcpy(&x->mark, &pol->mark, sizeof(x->mark)); error = security_xfrm_state_alloc_acquire(x, pol->security, fl->secid); if (error) { @@ -866,7 +870,7 @@ out: } struct xfrm_state * -xfrm_stateonly_find(struct net *net, +xfrm_stateonly_find(struct net *net, u32 mark, xfrm_address_t *daddr, xfrm_address_t *saddr, unsigned short family, u8 mode, u8 proto, u32 reqid) { @@ -962,7 +966,7 @@ void xfrm_state_insert(struct xfrm_state *x) EXPORT_SYMBOL(xfrm_state_insert); /* xfrm_state_lock is held */ -static struct xfrm_state *__find_acq_core(struct net *net, unsigned short family, u8 mode, u32 reqid, u8 proto, xfrm_address_t *daddr, xfrm_address_t *saddr, int create) +static struct xfrm_state *__find_acq_core(struct net *net, struct xfrm_mark *m, unsigned short family, u8 mode, u32 reqid, u8 proto, xfrm_address_t *daddr, xfrm_address_t *saddr, int create) { unsigned int h = xfrm_dst_hash(net, daddr, saddr, reqid, family); struct hlist_node *entry; @@ -1017,6 +1021,8 @@ static struct xfrm_state *__find_acq_core(struct net *net, unsigned short family x->props.family = family; x->props.mode = mode; x->props.reqid = reqid; + x->mark.v = m->v; + x->mark.m = m->m; x->lft.hard_add_expires_seconds = net->xfrm.sysctl_acq_expires; xfrm_state_hold(x); x->timer.expires = jiffies + net->xfrm.sysctl_acq_expires*HZ; @@ -1034,7 +1040,7 @@ static struct xfrm_state *__find_acq_core(struct net *net, unsigned short family return x; } -static struct xfrm_state *__xfrm_find_acq_byseq(struct net *net, u32 seq); +static struct xfrm_state *__xfrm_find_acq_byseq(struct net *net, u32 mark, u32 seq); int xfrm_state_add(struct xfrm_state *x) { @@ -1042,6 +1048,7 @@ int xfrm_state_add(struct xfrm_state *x) struct xfrm_state *x1, *to_put; int family; int err; + u32 mark = x->mark.v & x->mark.m; int use_spi = xfrm_id_proto_match(x->id.proto, IPSEC_PROTO_ANY); family = x->props.family; @@ -1059,7 +1066,7 @@ int xfrm_state_add(struct xfrm_state *x) } if (use_spi && x->km.seq) { - x1 = __xfrm_find_acq_byseq(net, x->km.seq); + x1 = __xfrm_find_acq_byseq(net, mark, x->km.seq); if (x1 && ((x1->id.proto != x->id.proto) || xfrm_addr_cmp(&x1->id.daddr, &x->id.daddr, family))) { to_put = x1; @@ -1068,8 +1075,8 @@ int xfrm_state_add(struct xfrm_state *x) } if (use_spi && !x1) - x1 = __find_acq_core(net, family, x->props.mode, x->props.reqid, - x->id.proto, + x1 = __find_acq_core(net, &x->mark, family, x->props.mode, + x->props.reqid, x->id.proto, &x->id.daddr, &x->props.saddr, 0); __xfrm_state_bump_genids(x); @@ -1143,6 +1150,8 @@ static struct xfrm_state *xfrm_state_clone(struct xfrm_state *orig, int *errp) goto error; } + memcpy(&x->mark, &orig->mark, sizeof(x->mark)); + err = xfrm_init_state(x); if (err) goto error; @@ -1340,41 +1349,41 @@ int xfrm_state_check_expire(struct xfrm_state *x) EXPORT_SYMBOL(xfrm_state_check_expire); struct xfrm_state * -xfrm_state_lookup(struct net *net, xfrm_address_t *daddr, __be32 spi, u8 proto, - unsigned short family) +xfrm_state_lookup(struct net *net, u32 mark, xfrm_address_t *daddr, __be32 spi, + u8 proto, unsigned short family) { struct xfrm_state *x; spin_lock_bh(&xfrm_state_lock); - x = __xfrm_state_lookup(net, daddr, spi, proto, family); + x = __xfrm_state_lookup(net, mark, daddr, spi, proto, family); spin_unlock_bh(&xfrm_state_lock); return x; } EXPORT_SYMBOL(xfrm_state_lookup); struct xfrm_state * -xfrm_state_lookup_byaddr(struct net *net, +xfrm_state_lookup_byaddr(struct net *net, u32 mark, xfrm_address_t *daddr, xfrm_address_t *saddr, u8 proto, unsigned short family) { struct xfrm_state *x; spin_lock_bh(&xfrm_state_lock); - x = __xfrm_state_lookup_byaddr(net, daddr, saddr, proto, family); + x = __xfrm_state_lookup_byaddr(net, mark, daddr, saddr, proto, family); spin_unlock_bh(&xfrm_state_lock); return x; } EXPORT_SYMBOL(xfrm_state_lookup_byaddr); struct xfrm_state * -xfrm_find_acq(struct net *net, u8 mode, u32 reqid, u8 proto, +xfrm_find_acq(struct net *net, struct xfrm_mark *mark, u8 mode, u32 reqid, u8 proto, xfrm_address_t *daddr, xfrm_address_t *saddr, int create, unsigned short family) { struct xfrm_state *x; spin_lock_bh(&xfrm_state_lock); - x = __find_acq_core(net, family, mode, reqid, proto, daddr, saddr, create); + x = __find_acq_core(net, mark, family, mode, reqid, proto, daddr, saddr, create); spin_unlock_bh(&xfrm_state_lock); return x; @@ -1421,7 +1430,7 @@ EXPORT_SYMBOL(xfrm_state_sort); /* Silly enough, but I'm lazy to build resolution list */ -static struct xfrm_state *__xfrm_find_acq_byseq(struct net *net, u32 seq) +static struct xfrm_state *__xfrm_find_acq_byseq(struct net *net, u32 mark, u32 seq) { int i; @@ -1440,12 +1449,12 @@ static struct xfrm_state *__xfrm_find_acq_byseq(struct net *net, u32 seq) return NULL; } -struct xfrm_state *xfrm_find_acq_byseq(struct net *net, u32 seq) +struct xfrm_state *xfrm_find_acq_byseq(struct net *net, u32 mark, u32 seq) { struct xfrm_state *x; spin_lock_bh(&xfrm_state_lock); - x = __xfrm_find_acq_byseq(net, seq); + x = __xfrm_find_acq_byseq(net, mark, seq); spin_unlock_bh(&xfrm_state_lock); return x; } @@ -1472,6 +1481,7 @@ int xfrm_alloc_spi(struct xfrm_state *x, u32 low, u32 high) int err = -ENOENT; __be32 minspi = htonl(low); __be32 maxspi = htonl(high); + u32 mark = x->mark.v & x->mark.m; spin_lock_bh(&x->lock); if (x->km.state == XFRM_STATE_DEAD) @@ -1484,7 +1494,7 @@ int xfrm_alloc_spi(struct xfrm_state *x, u32 low, u32 high) err = -ENOENT; if (minspi == maxspi) { - x0 = xfrm_state_lookup(net, &x->id.daddr, minspi, x->id.proto, x->props.family); + x0 = xfrm_state_lookup(net, mark, &x->id.daddr, minspi, x->id.proto, x->props.family); if (x0) { xfrm_state_put(x0); goto unlock; @@ -1494,7 +1504,7 @@ int xfrm_alloc_spi(struct xfrm_state *x, u32 low, u32 high) u32 spi = 0; for (h=0; hid.daddr, htonl(spi), x->id.proto, x->props.family); + x0 = xfrm_state_lookup(net, mark, &x->id.daddr, htonl(spi), x->id.proto, x->props.family); if (x0 == NULL) { x->id.spi = htonl(spi); break; diff --git a/net/xfrm/xfrm_user.c b/net/xfrm/xfrm_user.c index b95a2d6..dec2e0d 100644 --- a/net/xfrm/xfrm_user.c +++ b/net/xfrm/xfrm_user.c @@ -31,6 +31,9 @@ #include #endif +#define DUMMY_MARK 0 +static struct xfrm_mark dummy_mark = {0, 0}; + static inline int aead_len(struct xfrm_algo_aead *alg) { return sizeof(*alg) + ((alg->alg_key_len + 7) / 8); @@ -443,7 +446,7 @@ static struct xfrm_state *xfrm_user_state_lookup(struct net *net, if (xfrm_id_proto_match(p->proto, IPSEC_PROTO_ANY)) { err = -ESRCH; - x = xfrm_state_lookup(net, &p->daddr, p->spi, p->proto, p->family); + x = xfrm_state_lookup(net, DUMMY_MARK, &p->daddr, p->spi, p->proto, p->family); } else { xfrm_address_t *saddr = NULL; @@ -454,7 +457,7 @@ static struct xfrm_state *xfrm_user_state_lookup(struct net *net, } err = -ESRCH; - x = xfrm_state_lookup_byaddr(net, &p->daddr, saddr, + x = xfrm_state_lookup_byaddr(net, DUMMY_MARK, &p->daddr, saddr, p->proto, p->family); } @@ -846,7 +849,7 @@ static int xfrm_alloc_userspi(struct sk_buff *skb, struct nlmsghdr *nlh, x = NULL; if (p->info.seq) { - x = xfrm_find_acq_byseq(net, p->info.seq); + x = xfrm_find_acq_byseq(net, DUMMY_MARK, p->info.seq); if (x && xfrm_addr_cmp(&x->id.daddr, daddr, family)) { xfrm_state_put(x); x = NULL; @@ -854,7 +857,7 @@ static int xfrm_alloc_userspi(struct sk_buff *skb, struct nlmsghdr *nlh, } if (!x) - x = xfrm_find_acq(net, p->info.mode, p->info.reqid, + x = xfrm_find_acq(net, &dummy_mark, p->info.mode, p->info.reqid, p->info.id.proto, daddr, &p->info.saddr, 1, family); @@ -1483,7 +1486,7 @@ static int xfrm_get_ae(struct sk_buff *skb, struct nlmsghdr *nlh, if (r_skb == NULL) return -ENOMEM; - x = xfrm_state_lookup(net, &id->daddr, id->spi, id->proto, id->family); + x = xfrm_state_lookup(net, DUMMY_MARK, &id->daddr, id->spi, id->proto, id->family); if (x == NULL) { kfree_skb(r_skb); return -ESRCH; @@ -1525,7 +1528,7 @@ static int xfrm_new_ae(struct sk_buff *skb, struct nlmsghdr *nlh, if (!(nlh->nlmsg_flags&NLM_F_REPLACE)) return err; - x = xfrm_state_lookup(net, &p->sa_id.daddr, p->sa_id.spi, p->sa_id.proto, p->sa_id.family); + x = xfrm_state_lookup(net, DUMMY_MARK, &p->sa_id.daddr, p->sa_id.spi, p->sa_id.proto, p->sa_id.family); if (x == NULL) return -ESRCH; @@ -1648,7 +1651,7 @@ static int xfrm_add_sa_expire(struct sk_buff *skb, struct nlmsghdr *nlh, struct xfrm_user_expire *ue = nlmsg_data(nlh); struct xfrm_usersa_info *p = &ue->state; - x = xfrm_state_lookup(net, &p->id.daddr, p->id.spi, p->id.proto, p->family); + x = xfrm_state_lookup(net, DUMMY_MARK, &p->id.daddr, p->id.spi, p->id.proto, p->family); err = -ENOENT; if (x == NULL) -- 1.6.3.3