summaryrefslogtreecommitdiffstats
path: root/net/ipv6
diff options
context:
space:
mode:
Diffstat (limited to 'net/ipv6')
-rw-r--r--net/ipv6/addrlabel.c24
-rw-r--r--net/ipv6/af_inet6.c10
-rw-r--r--net/ipv6/ah6.c6
-rw-r--r--net/ipv6/anycast.c12
-rw-r--r--net/ipv6/datagram.c4
-rw-r--r--net/ipv6/exthdrs.c69
-rw-r--r--net/ipv6/exthdrs_core.c2
-rw-r--r--net/ipv6/icmp.c14
-rw-r--r--net/ipv6/ip6_flowlabel.c24
-rw-r--r--net/ipv6/ip6_input.c9
-rw-r--r--net/ipv6/ip6_output.c13
-rw-r--r--net/ipv6/ip6_tunnel.c2
-rw-r--r--net/ipv6/mcast.c66
-rw-r--r--net/ipv6/ndisc.c4
-rw-r--r--net/ipv6/raw.c10
-rw-r--r--net/ipv6/reassembly.c35
-rw-r--r--net/ipv6/route.c8
-rw-r--r--net/ipv6/udp.c6
18 files changed, 176 insertions, 142 deletions
diff --git a/net/ipv6/addrlabel.c b/net/ipv6/addrlabel.c
index 95aea16b8b6..eb6a63632d3 100644
--- a/net/ipv6/addrlabel.c
+++ b/net/ipv6/addrlabel.c
@@ -129,7 +129,7 @@ static void ip6addrlbl_free_rcu(struct rcu_head *h)
ip6addrlbl_free(container_of(h, struct ip6addrlbl_entry, rcu));
}
-static inline int ip6addrlbl_hold(struct ip6addrlbl_entry *p)
+static bool ip6addrlbl_hold(struct ip6addrlbl_entry *p)
{
return atomic_inc_not_zero(&p->refcnt);
}
@@ -141,20 +141,20 @@ static inline void ip6addrlbl_put(struct ip6addrlbl_entry *p)
}
/* Find label */
-static int __ip6addrlbl_match(struct net *net,
- struct ip6addrlbl_entry *p,
- const struct in6_addr *addr,
- int addrtype, int ifindex)
+static bool __ip6addrlbl_match(struct net *net,
+ const struct ip6addrlbl_entry *p,
+ const struct in6_addr *addr,
+ int addrtype, int ifindex)
{
if (!net_eq(ip6addrlbl_net(p), net))
- return 0;
+ return false;
if (p->ifindex && p->ifindex != ifindex)
- return 0;
+ return false;
if (p->addrtype && p->addrtype != addrtype)
- return 0;
+ return false;
if (!ipv6_prefix_equal(addr, &p->prefix, p->prefixlen))
- return 0;
- return 1;
+ return false;
+ return true;
}
static struct ip6addrlbl_entry *__ipv6_addr_label(struct net *net,
@@ -456,8 +456,8 @@ static int ip6addrlbl_newdel(struct sk_buff *skb, struct nlmsghdr *nlh,
return err;
}
-static inline void ip6addrlbl_putmsg(struct nlmsghdr *nlh,
- int prefixlen, int ifindex, u32 lseq)
+static void ip6addrlbl_putmsg(struct nlmsghdr *nlh,
+ int prefixlen, int ifindex, u32 lseq)
{
struct ifaddrlblmsg *ifal = nlmsg_data(nlh);
ifal->ifal_family = AF_INET6;
diff --git a/net/ipv6/af_inet6.c b/net/ipv6/af_inet6.c
index 138d4986c32..e22e6d88bac 100644
--- a/net/ipv6/af_inet6.c
+++ b/net/ipv6/af_inet6.c
@@ -678,10 +678,10 @@ int inet6_sk_rebuild_header(struct sock *sk)
}
EXPORT_SYMBOL_GPL(inet6_sk_rebuild_header);
-int ipv6_opt_accepted(struct sock *sk, struct sk_buff *skb)
+bool ipv6_opt_accepted(const struct sock *sk, const struct sk_buff *skb)
{
- struct ipv6_pinfo *np = inet6_sk(sk);
- struct inet6_skb_parm *opt = IP6CB(skb);
+ const struct ipv6_pinfo *np = inet6_sk(sk);
+ const struct inet6_skb_parm *opt = IP6CB(skb);
if (np->rxopt.all) {
if ((opt->hop && (np->rxopt.bits.hopopts ||
@@ -693,9 +693,9 @@ int ipv6_opt_accepted(struct sock *sk, struct sk_buff *skb)
np->rxopt.bits.osrcrt)) ||
((opt->dst1 || opt->dst0) &&
(np->rxopt.bits.dstopts || np->rxopt.bits.odstopts)))
- return 1;
+ return true;
}
- return 0;
+ return false;
}
EXPORT_SYMBOL_GPL(ipv6_opt_accepted);
diff --git a/net/ipv6/ah6.c b/net/ipv6/ah6.c
index 5d32e7a93b2..f1a4a2c28ed 100644
--- a/net/ipv6/ah6.c
+++ b/net/ipv6/ah6.c
@@ -113,7 +113,7 @@ static inline struct scatterlist *ah_req_sg(struct crypto_ahash *ahash,
__alignof__(struct scatterlist));
}
-static int zero_out_mutable_opts(struct ipv6_opt_hdr *opthdr)
+static bool zero_out_mutable_opts(struct ipv6_opt_hdr *opthdr)
{
u8 *opt = (u8 *)opthdr;
int len = ipv6_optlen(opthdr);
@@ -145,10 +145,10 @@ static int zero_out_mutable_opts(struct ipv6_opt_hdr *opthdr)
len -= optlen;
}
if (len == 0)
- return 1;
+ return true;
bad:
- return 0;
+ return false;
}
#if defined(CONFIG_IPV6_MIP6) || defined(CONFIG_IPV6_MIP6_MODULE)
diff --git a/net/ipv6/anycast.c b/net/ipv6/anycast.c
index db00d27ffb1..cdf02be5f19 100644
--- a/net/ipv6/anycast.c
+++ b/net/ipv6/anycast.c
@@ -342,7 +342,7 @@ static int ipv6_dev_ac_dec(struct net_device *dev, const struct in6_addr *addr)
* check if the interface has this anycast address
* called with rcu_read_lock()
*/
-static int ipv6_chk_acast_dev(struct net_device *dev, const struct in6_addr *addr)
+static bool ipv6_chk_acast_dev(struct net_device *dev, const struct in6_addr *addr)
{
struct inet6_dev *idev;
struct ifacaddr6 *aca;
@@ -356,16 +356,16 @@ static int ipv6_chk_acast_dev(struct net_device *dev, const struct in6_addr *add
read_unlock_bh(&idev->lock);
return aca != NULL;
}
- return 0;
+ return false;
}
/*
* check if given interface (or any, if dev==0) has this anycast address
*/
-int ipv6_chk_acast_addr(struct net *net, struct net_device *dev,
- const struct in6_addr *addr)
+bool ipv6_chk_acast_addr(struct net *net, struct net_device *dev,
+ const struct in6_addr *addr)
{
- int found = 0;
+ bool found = false;
rcu_read_lock();
if (dev)
@@ -373,7 +373,7 @@ int ipv6_chk_acast_addr(struct net *net, struct net_device *dev,
else
for_each_netdev_rcu(net, dev)
if (ipv6_chk_acast_dev(dev, addr)) {
- found = 1;
+ found = true;
break;
}
rcu_read_unlock();
diff --git a/net/ipv6/datagram.c b/net/ipv6/datagram.c
index b8b61ac88bc..be2b67d631e 100644
--- a/net/ipv6/datagram.c
+++ b/net/ipv6/datagram.c
@@ -34,9 +34,9 @@
#include <linux/errqueue.h>
#include <asm/uaccess.h>
-static inline int ipv6_mapped_addr_any(const struct in6_addr *a)
+static bool ipv6_mapped_addr_any(const struct in6_addr *a)
{
- return (ipv6_addr_v4mapped(a) && (a->s6_addr32[3] == 0));
+ return ipv6_addr_v4mapped(a) && (a->s6_addr32[3] == 0);
}
int ip6_datagram_connect(struct sock *sk, struct sockaddr *uaddr, int addr_len)
diff --git a/net/ipv6/exthdrs.c b/net/ipv6/exthdrs.c
index a3cded6a199..6447dc49429 100644
--- a/net/ipv6/exthdrs.c
+++ b/net/ipv6/exthdrs.c
@@ -96,14 +96,14 @@ EXPORT_SYMBOL_GPL(ipv6_find_tlv);
/*
* Parsing tlv encoded headers.
*
- * Parsing function "func" returns 1, if parsing succeed
- * and 0, if it failed.
+ * Parsing function "func" returns true, if parsing succeed
+ * and false, if it failed.
* It MUST NOT touch skb->h.
*/
struct tlvtype_proc {
int type;
- int (*func)(struct sk_buff *skb, int offset);
+ bool (*func)(struct sk_buff *skb, int offset);
};
/*********************
@@ -112,11 +112,11 @@ struct tlvtype_proc {
/* An unknown option is detected, decide what to do */
-static int ip6_tlvopt_unknown(struct sk_buff *skb, int optoff)
+static bool ip6_tlvopt_unknown(struct sk_buff *skb, int optoff)
{
switch ((skb_network_header(skb)[optoff] & 0xC0) >> 6) {
case 0: /* ignore */
- return 1;
+ return true;
case 1: /* drop packet */
break;
@@ -129,21 +129,22 @@ static int ip6_tlvopt_unknown(struct sk_buff *skb, int optoff)
break;
case 2: /* send ICMP PARM PROB regardless and drop packet */
icmpv6_param_prob(skb, ICMPV6_UNK_OPTION, optoff);
- return 0;
+ return false;
}
kfree_skb(skb);
- return 0;
+ return false;
}
/* Parse tlv encoded option header (hop-by-hop or destination) */
-static int ip6_parse_tlv(struct tlvtype_proc *procs, struct sk_buff *skb)
+static bool ip6_parse_tlv(const struct tlvtype_proc *procs, struct sk_buff *skb)
{
- struct tlvtype_proc *curr;
+ const struct tlvtype_proc *curr;
const unsigned char *nh = skb_network_header(skb);
int off = skb_network_header_len(skb);
int len = (skb_transport_header(skb)[1] + 1) << 3;
+ int padlen = 0;
if (skb_transport_offset(skb) + len > skb_headlen(skb))
goto bad;
@@ -158,6 +159,9 @@ static int ip6_parse_tlv(struct tlvtype_proc *procs, struct sk_buff *skb)
switch (nh[off]) {
case IPV6_TLV_PAD1:
optlen = 1;
+ padlen++;
+ if (padlen > 7)
+ goto bad;
break;
case IPV6_TLV_PADN:
@@ -166,7 +170,8 @@ static int ip6_parse_tlv(struct tlvtype_proc *procs, struct sk_buff *skb)
* of 8. 7 is therefore the highest valid value.
* See also RFC 4942, Section 2.1.9.5.
*/
- if (optlen > 7)
+ padlen += optlen;
+ if (padlen > 7)
goto bad;
/* RFC 4942 recommends receiving hosts to
* actively check PadN payload to contain
@@ -186,25 +191,33 @@ static int ip6_parse_tlv(struct tlvtype_proc *procs, struct sk_buff *skb)
/* type specific length/alignment
checks will be performed in the
func(). */
- if (curr->func(skb, off) == 0)
- return 0;
+ if (curr->func(skb, off) == false)
+ return false;
break;
}
}
if (curr->type < 0) {
if (ip6_tlvopt_unknown(skb, off) == 0)
- return 0;
+ return false;
}
+ padlen = 0;
break;
}
off += optlen;
len -= optlen;
}
+ /* This case will not be caught by above check since its padding
+ * length is smaller than 7:
+ * 1 byte NH + 1 byte Length + 6 bytes Padding
+ */
+ if ((padlen == 6) && ((off - skb_network_header_len(skb)) == 8))
+ goto bad;
+
if (len == 0)
- return 1;
+ return true;
bad:
kfree_skb(skb);
- return 0;
+ return false;
}
/*****************************
@@ -212,7 +225,7 @@ bad:
*****************************/
#if defined(CONFIG_IPV6_MIP6) || defined(CONFIG_IPV6_MIP6_MODULE)
-static int ipv6_dest_hao(struct sk_buff *skb, int optoff)
+static bool ipv6_dest_hao(struct sk_buff *skb, int optoff)
{
struct ipv6_destopt_hao *hao;
struct inet6_skb_parm *opt = IP6CB(skb);
@@ -266,15 +279,15 @@ static int ipv6_dest_hao(struct sk_buff *skb, int optoff)
if (skb->tstamp.tv64 == 0)
__net_timestamp(skb);
- return 1;
+ return true;
discard:
kfree_skb(skb);
- return 0;
+ return false;
}
#endif
-static struct tlvtype_proc tlvprocdestopt_lst[] = {
+static const struct tlvtype_proc tlvprocdestopt_lst[] = {
#if defined(CONFIG_IPV6_MIP6) || defined(CONFIG_IPV6_MIP6_MODULE)
{
.type = IPV6_TLV_HAO,
@@ -579,23 +592,23 @@ static inline struct net *ipv6_skb_net(struct sk_buff *skb)
/* Router Alert as of RFC 2711 */
-static int ipv6_hop_ra(struct sk_buff *skb, int optoff)
+static bool ipv6_hop_ra(struct sk_buff *skb, int optoff)
{
const unsigned char *nh = skb_network_header(skb);
if (nh[optoff + 1] == 2) {
IP6CB(skb)->ra = optoff;
- return 1;
+ return true;
}
LIMIT_NETDEBUG(KERN_DEBUG "ipv6_hop_ra: wrong RA length %d\n",
nh[optoff + 1]);
kfree_skb(skb);
- return 0;
+ return false;
}
/* Jumbo payload */
-static int ipv6_hop_jumbo(struct sk_buff *skb, int optoff)
+static bool ipv6_hop_jumbo(struct sk_buff *skb, int optoff)
{
const unsigned char *nh = skb_network_header(skb);
struct net *net = ipv6_skb_net(skb);
@@ -614,13 +627,13 @@ static int ipv6_hop_jumbo(struct sk_buff *skb, int optoff)
IP6_INC_STATS_BH(net, ipv6_skb_idev(skb),
IPSTATS_MIB_INHDRERRORS);
icmpv6_param_prob(skb, ICMPV6_HDR_FIELD, optoff+2);
- return 0;
+ return false;
}
if (ipv6_hdr(skb)->payload_len) {
IP6_INC_STATS_BH(net, ipv6_skb_idev(skb),
IPSTATS_MIB_INHDRERRORS);
icmpv6_param_prob(skb, ICMPV6_HDR_FIELD, optoff);
- return 0;
+ return false;
}
if (pkt_len > skb->len - sizeof(struct ipv6hdr)) {
@@ -632,14 +645,14 @@ static int ipv6_hop_jumbo(struct sk_buff *skb, int optoff)
if (pskb_trim_rcsum(skb, pkt_len + sizeof(struct ipv6hdr)))
goto drop;
- return 1;
+ return true;
drop:
kfree_skb(skb);
- return 0;
+ return false;
}
-static struct tlvtype_proc tlvprochopopt_lst[] = {
+static const struct tlvtype_proc tlvprochopopt_lst[] = {
{
.type = IPV6_TLV_ROUTERALERT,
.func = ipv6_hop_ra,
diff --git a/net/ipv6/exthdrs_core.c b/net/ipv6/exthdrs_core.c
index 7b1a884634d..f73d59a1413 100644
--- a/net/ipv6/exthdrs_core.c
+++ b/net/ipv6/exthdrs_core.c
@@ -9,7 +9,7 @@
* find out if nexthdr is a well-known extension header or a protocol
*/
-int ipv6_ext_hdr(u8 nexthdr)
+bool ipv6_ext_hdr(u8 nexthdr)
{
/*
* find out if nexthdr is an extension header or a protocol
diff --git a/net/ipv6/icmp.c b/net/ipv6/icmp.c
index 23c56ce9e86..091a2971c7b 100644
--- a/net/ipv6/icmp.c
+++ b/net/ipv6/icmp.c
@@ -131,7 +131,7 @@ void icmpv6_param_prob(struct sk_buff *skb, u8 code, int pos)
* --ANK (980726)
*/
-static int is_ineligible(struct sk_buff *skb)
+static bool is_ineligible(const struct sk_buff *skb)
{
int ptr = (u8 *)(ipv6_hdr(skb) + 1) - skb->data;
int len = skb->len - ptr;
@@ -139,11 +139,11 @@ static int is_ineligible(struct sk_buff *skb)
__be16 frag_off;
if (len < 0)
- return 1;
+ return true;
ptr = ipv6_skip_exthdr(skb, ptr, &nexthdr, &frag_off);
if (ptr < 0)
- return 0;
+ return false;
if (nexthdr == IPPROTO_ICMPV6) {
u8 _type, *tp;
tp = skb_header_pointer(skb,
@@ -151,9 +151,9 @@ static int is_ineligible(struct sk_buff *skb)
sizeof(_type), &_type);
if (tp == NULL ||
!(*tp & ICMPV6_INFOMSG_MASK))
- return 1;
+ return true;
}
- return 0;
+ return false;
}
/*
@@ -208,14 +208,14 @@ static inline bool icmpv6_xrlim_allow(struct sock *sk, u8 type,
* highest-order two bits set to 10
*/
-static __inline__ int opt_unrec(struct sk_buff *skb, __u32 offset)
+static bool opt_unrec(struct sk_buff *skb, __u32 offset)
{
u8 _optval, *op;
offset += skb_network_offset(skb);
op = skb_header_pointer(skb, offset, sizeof(_optval), &_optval);
if (op == NULL)
- return 1;
+ return true;
return (*op & 0xC0) == 0x80;
}
diff --git a/net/ipv6/ip6_flowlabel.c b/net/ipv6/ip6_flowlabel.c
index cb43df69021..9772fbd8a3f 100644
--- a/net/ipv6/ip6_flowlabel.c
+++ b/net/ipv6/ip6_flowlabel.c
@@ -433,32 +433,32 @@ static int mem_check(struct sock *sk)
return 0;
}
-static int ipv6_hdr_cmp(struct ipv6_opt_hdr *h1, struct ipv6_opt_hdr *h2)
+static bool ipv6_hdr_cmp(struct ipv6_opt_hdr *h1, struct ipv6_opt_hdr *h2)
{
if (h1 == h2)
- return 0;
+ return false;
if (h1 == NULL || h2 == NULL)
- return 1;
+ return true;
if (h1->hdrlen != h2->hdrlen)
- return 1;
+ return true;
return memcmp(h1+1, h2+1, ((h1->hdrlen+1)<<3) - sizeof(*h1));
}
-static int ipv6_opt_cmp(struct ipv6_txoptions *o1, struct ipv6_txoptions *o2)
+static bool ipv6_opt_cmp(struct ipv6_txoptions *o1, struct ipv6_txoptions *o2)
{
if (o1 == o2)
- return 0;
+ return false;
if (o1 == NULL || o2 == NULL)
- return 1;
+ return true;
if (o1->opt_nflen != o2->opt_nflen)
- return 1;
+ return true;
if (ipv6_hdr_cmp(o1->hopopt, o2->hopopt))
- return 1;
+ return true;
if (ipv6_hdr_cmp(o1->dst0opt, o2->dst0opt))
- return 1;
+ return true;
if (ipv6_hdr_cmp((struct ipv6_opt_hdr *)o1->srcrt, (struct ipv6_opt_hdr *)o2->srcrt))
- return 1;
- return 0;
+ return true;
+ return false;
}
static inline void fl_link(struct ipv6_pinfo *np, struct ipv6_fl_socklist *sfl,
diff --git a/net/ipv6/ip6_input.c b/net/ipv6/ip6_input.c
index 1ca5d45a12e..21a15dfe4a9 100644
--- a/net/ipv6/ip6_input.c
+++ b/net/ipv6/ip6_input.c
@@ -170,7 +170,8 @@ static int ip6_input_finish(struct sk_buff *skb)
{
const struct inet6_protocol *ipprot;
unsigned int nhoff;
- int nexthdr, raw;
+ int nexthdr;
+ bool raw;
u8 hash;
struct inet6_dev *idev;
struct net *net = dev_net(skb_dst(skb)->dev);
@@ -251,7 +252,7 @@ int ip6_input(struct sk_buff *skb)
int ip6_mc_input(struct sk_buff *skb)
{
const struct ipv6hdr *hdr;
- int deliver;
+ bool deliver;
IP6_UPD_PO_STATS_BH(dev_net(skb_dst(skb)->dev),
ip6_dst_idev(skb_dst(skb)), IPSTATS_MIB_INMCAST,
@@ -287,7 +288,7 @@ int ip6_mc_input(struct sk_buff *skb)
* is for MLD (0x0000).
*/
if ((ptr[2] | ptr[3]) == 0) {
- deliver = 0;
+ deliver = false;
if (!ipv6_ext_hdr(nexthdr)) {
/* BUG */
@@ -312,7 +313,7 @@ int ip6_mc_input(struct sk_buff *skb)
case ICMPV6_MGM_REPORT:
case ICMPV6_MGM_REDUCTION:
case ICMPV6_MLD2_REPORT:
- deliver = 1;
+ deliver = true;
break;
}
goto out;
diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c
index be2264e7dd2..d99fdc69962 100644
--- a/net/ipv6/ip6_output.c
+++ b/net/ipv6/ip6_output.c
@@ -643,7 +643,10 @@ int ip6_fragment(struct sk_buff *skb, int (*output)(struct sk_buff *))
/* We must not fragment if the socket is set to force MTU discovery
* or if the skb it not generated by a local socket.
*/
- if (!skb->local_df && skb->len > mtu) {
+ if (unlikely(!skb->local_df && skb->len > mtu)) {
+ if (skb->sk && dst_allfrag(skb_dst(skb)))
+ sk_nocaps_add(skb->sk, NETIF_F_GSO_MASK);
+
skb->dev = skb_dst(skb)->dev;
icmpv6_send(skb, ICMPV6_PKT_TOOBIG, 0, mtu);
IP6_INC_STATS(net, ip6_dst_idev(skb_dst(skb)),
@@ -788,6 +791,10 @@ slow_path_clean:
}
slow_path:
+ if ((skb->ip_summed == CHECKSUM_PARTIAL) &&
+ skb_checksum_help(skb))
+ goto fail;
+
left = skb->len - hlen; /* Space per frame */
ptr = hlen; /* Where to start from */
@@ -1198,7 +1205,6 @@ int ip6_append_data(struct sock *sk, int getfrag(void *from, char *to,
int copy;
int err;
int offset = 0;
- int csummode = CHECKSUM_NONE;
__u8 tx_flags = 0;
if (flags&MSG_PROBE)
@@ -1411,7 +1417,7 @@ alloc_new_skb:
/*
* Fill in the control structures
*/
- skb->ip_summed = csummode;
+ skb->ip_summed = CHECKSUM_NONE;
skb->csum = 0;
/* reserve for fragmentation and ipsec header */
skb_reserve(skb, hh_len + sizeof(struct frag_hdr) +
@@ -1454,7 +1460,6 @@ alloc_new_skb:
transhdrlen = 0;
exthdrlen = 0;
dst_exthdrlen = 0;
- csummode = CHECKSUM_NONE;
/*
* Put the packet on the pending queue
diff --git a/net/ipv6/ip6_tunnel.c b/net/ipv6/ip6_tunnel.c
index e65c56009bb..c9015fad8d6 100644
--- a/net/ipv6/ip6_tunnel.c
+++ b/net/ipv6/ip6_tunnel.c
@@ -818,7 +818,7 @@ static void init_tel_txopt(struct ipv6_tel_txoption *opt, __u8 encap_limit)
* 0 else
**/
-static inline int
+static inline bool
ip6_tnl_addr_conflict(const struct ip6_tnl *t, const struct ipv6hdr *hdr)
{
return ipv6_addr_equal(&t->parms.raddr, &hdr->saddr);
diff --git a/net/ipv6/mcast.c b/net/ipv6/mcast.c
index 2a3a22cf760..6d0f5dc8e3a 100644
--- a/net/ipv6/mcast.c
+++ b/net/ipv6/mcast.c
@@ -606,13 +606,13 @@ done:
return err;
}
-int inet6_mc_check(struct sock *sk, const struct in6_addr *mc_addr,
- const struct in6_addr *src_addr)
+bool inet6_mc_check(struct sock *sk, const struct in6_addr *mc_addr,
+ const struct in6_addr *src_addr)
{
struct ipv6_pinfo *np = inet6_sk(sk);
struct ipv6_mc_socklist *mc;
struct ip6_sf_socklist *psl;
- int rv = 1;
+ bool rv = true;
rcu_read_lock();
for_each_pmc_rcu(np, mc) {
@@ -621,7 +621,7 @@ int inet6_mc_check(struct sock *sk, const struct in6_addr *mc_addr,
}
if (!mc) {
rcu_read_unlock();
- return 1;
+ return true;
}
read_lock(&mc->sflock);
psl = mc->sflist;
@@ -635,9 +635,9 @@ int inet6_mc_check(struct sock *sk, const struct in6_addr *mc_addr,
break;
}
if (mc->sfmode == MCAST_INCLUDE && i >= psl->sl_count)
- rv = 0;
+ rv = false;
if (mc->sfmode == MCAST_EXCLUDE && i < psl->sl_count)
- rv = 0;
+ rv = false;
}
read_unlock(&mc->sflock);
rcu_read_unlock();
@@ -931,15 +931,15 @@ int ipv6_dev_mc_dec(struct net_device *dev, const struct in6_addr *addr)
/*
* identify MLD packets for MLD filter exceptions
*/
-int ipv6_is_mld(struct sk_buff *skb, int nexthdr)
+bool ipv6_is_mld(struct sk_buff *skb, int nexthdr)
{
struct icmp6hdr *pic;
if (nexthdr != IPPROTO_ICMPV6)
- return 0;
+ return false;
if (!pskb_may_pull(skb, sizeof(struct icmp6hdr)))
- return 0;
+ return false;
pic = icmp6_hdr(skb);
@@ -948,22 +948,22 @@ int ipv6_is_mld(struct sk_buff *skb, int nexthdr)
case ICMPV6_MGM_REPORT:
case ICMPV6_MGM_REDUCTION:
case ICMPV6_MLD2_REPORT:
- return 1;
+ return true;
default:
break;
}
- return 0;
+ return false;
}
/*
* check if the interface/address pair is valid
*/
-int ipv6_chk_mcast_addr(struct net_device *dev, const struct in6_addr *group,
- const struct in6_addr *src_addr)
+bool ipv6_chk_mcast_addr(struct net_device *dev, const struct in6_addr *group,
+ const struct in6_addr *src_addr)
{
struct inet6_dev *idev;
struct ifmcaddr6 *mc;
- int rv = 0;
+ bool rv = false;
rcu_read_lock();
idev = __in6_dev_get(dev);
@@ -990,7 +990,7 @@ int ipv6_chk_mcast_addr(struct net_device *dev, const struct in6_addr *group,
rv = mc->mca_sfcount[MCAST_EXCLUDE] !=0;
spin_unlock_bh(&mc->mca_lock);
} else
- rv = 1; /* don't filter unspecified source */
+ rv = true; /* don't filter unspecified source */
}
read_unlock_bh(&idev->lock);
}
@@ -1046,8 +1046,8 @@ static void igmp6_group_queried(struct ifmcaddr6 *ma, unsigned long resptime)
}
/* mark EXCLUDE-mode sources */
-static int mld_xmarksources(struct ifmcaddr6 *pmc, int nsrcs,
- const struct in6_addr *srcs)
+static bool mld_xmarksources(struct ifmcaddr6 *pmc, int nsrcs,
+ const struct in6_addr *srcs)
{
struct ip6_sf_list *psf;
int i, scount;
@@ -1070,12 +1070,12 @@ static int mld_xmarksources(struct ifmcaddr6 *pmc, int nsrcs,
}
pmc->mca_flags &= ~MAF_GSQUERY;
if (scount == nsrcs) /* all sources excluded */
- return 0;
- return 1;
+ return false;
+ return true;
}
-static int mld_marksources(struct ifmcaddr6 *pmc, int nsrcs,
- const struct in6_addr *srcs)
+static bool mld_marksources(struct ifmcaddr6 *pmc, int nsrcs,
+ const struct in6_addr *srcs)
{
struct ip6_sf_list *psf;
int i, scount;
@@ -1099,10 +1099,10 @@ static int mld_marksources(struct ifmcaddr6 *pmc, int nsrcs,
}
if (!scount) {
pmc->mca_flags &= ~MAF_GSQUERY;
- return 0;
+ return false;
}
pmc->mca_flags |= MAF_GSQUERY;
- return 1;
+ return true;
}
/* called with rcu_read_lock() */
@@ -1276,17 +1276,17 @@ int igmp6_event_report(struct sk_buff *skb)
return 0;
}
-static int is_in(struct ifmcaddr6 *pmc, struct ip6_sf_list *psf, int type,
- int gdeleted, int sdeleted)
+static bool is_in(struct ifmcaddr6 *pmc, struct ip6_sf_list *psf, int type,
+ int gdeleted, int sdeleted)
{
switch (type) {
case MLD2_MODE_IS_INCLUDE:
case MLD2_MODE_IS_EXCLUDE:
if (gdeleted || sdeleted)
- return 0;
+ return false;
if (!((pmc->mca_flags & MAF_GSQUERY) && !psf->sf_gsresp)) {
if (pmc->mca_sfmode == MCAST_INCLUDE)
- return 1;
+ return true;
/* don't include if this source is excluded
* in all filters
*/
@@ -1295,29 +1295,29 @@ static int is_in(struct ifmcaddr6 *pmc, struct ip6_sf_list *psf, int type,
return pmc->mca_sfcount[MCAST_EXCLUDE] ==
psf->sf_count[MCAST_EXCLUDE];
}
- return 0;
+ return false;
case MLD2_CHANGE_TO_INCLUDE:
if (gdeleted || sdeleted)
- return 0;
+ return false;
return psf->sf_count[MCAST_INCLUDE] != 0;
case MLD2_CHANGE_TO_EXCLUDE:
if (gdeleted || sdeleted)
- return 0;
+ return false;
if (pmc->mca_sfcount[MCAST_EXCLUDE] == 0 ||
psf->sf_count[MCAST_INCLUDE])
- return 0;
+ return false;
return pmc->mca_sfcount[MCAST_EXCLUDE] ==
psf->sf_count[MCAST_EXCLUDE];
case MLD2_ALLOW_NEW_SOURCES:
if (gdeleted || !psf->sf_crcount)
- return 0;
+ return false;
return (pmc->mca_sfmode == MCAST_INCLUDE) ^ sdeleted;
case MLD2_BLOCK_OLD_SOURCES:
if (pmc->mca_sfmode == MCAST_INCLUDE)
return gdeleted || (psf->sf_crcount && sdeleted);
return psf->sf_crcount && !gdeleted && !sdeleted;
}
- return 0;
+ return false;
}
static int
diff --git a/net/ipv6/ndisc.c b/net/ipv6/ndisc.c
index c7a27ac906d..54f62d3b8dd 100644
--- a/net/ipv6/ndisc.c
+++ b/net/ipv6/ndisc.c
@@ -348,7 +348,7 @@ static int ndisc_constructor(struct neighbour *neigh)
struct net_device *dev = neigh->dev;
struct inet6_dev *in6_dev;
struct neigh_parms *parms;
- int is_multicast = ipv6_addr_is_multicast(addr);
+ bool is_multicast = ipv6_addr_is_multicast(addr);
in6_dev = in6_dev_get(dev);
if (in6_dev == NULL) {
@@ -725,7 +725,7 @@ static void ndisc_recv_ns(struct sk_buff *skb)
struct inet6_dev *idev = NULL;
struct neighbour *neigh;
int dad = ipv6_addr_any(saddr);
- int inc;
+ bool inc;
int is_router = -1;
if (ipv6_addr_is_multicast(&msg->target)) {
diff --git a/net/ipv6/raw.c b/net/ipv6/raw.c
index 5bddea77884..93d69836fde 100644
--- a/net/ipv6/raw.c
+++ b/net/ipv6/raw.c
@@ -72,7 +72,7 @@ static struct sock *__raw_v6_lookup(struct net *net, struct sock *sk,
const struct in6_addr *rmt_addr, int dif)
{
struct hlist_node *node;
- int is_multicast = ipv6_addr_is_multicast(loc_addr);
+ bool is_multicast = ipv6_addr_is_multicast(loc_addr);
sk_for_each_from(sk, node)
if (inet_sk(sk)->inet_num == num) {
@@ -153,12 +153,12 @@ EXPORT_SYMBOL(rawv6_mh_filter_unregister);
*
* Caller owns SKB so we must make clones.
*/
-static int ipv6_raw_deliver(struct sk_buff *skb, int nexthdr)
+static bool ipv6_raw_deliver(struct sk_buff *skb, int nexthdr)
{
const struct in6_addr *saddr;
const struct in6_addr *daddr;
struct sock *sk;
- int delivered = 0;
+ bool delivered = false;
__u8 hash;
struct net *net;
@@ -179,7 +179,7 @@ static int ipv6_raw_deliver(struct sk_buff *skb, int nexthdr)
while (sk) {
int filtered;
- delivered = 1;
+ delivered = true;
switch (nexthdr) {
case IPPROTO_ICMPV6:
filtered = icmpv6_filter(sk, skb);
@@ -225,7 +225,7 @@ out:
return delivered;
}
-int raw6_local_deliver(struct sk_buff *skb, int nexthdr)
+bool raw6_local_deliver(struct sk_buff *skb, int nexthdr)
{
struct sock *raw_sk;
diff --git a/net/ipv6/reassembly.c b/net/ipv6/reassembly.c
index f1b86fdc06a..4ff9af628e7 100644
--- a/net/ipv6/reassembly.c
+++ b/net/ipv6/reassembly.c
@@ -134,15 +134,16 @@ static unsigned int ip6_hashfn(struct inet_frag_queue *q)
return inet6_hash_frag(fq->id, &fq->saddr, &fq->daddr, ip6_frags.rnd);
}
-int ip6_frag_match(struct inet_frag_queue *q, void *a)
+bool ip6_frag_match(struct inet_frag_queue *q, void *a)
{
struct frag_queue *fq;
struct ip6_create_arg *arg = a;
fq = container_of(q, struct frag_queue, q);
- return (fq->id == arg->id && fq->user == arg->user &&
- ipv6_addr_equal(&fq->saddr, arg->src) &&
- ipv6_addr_equal(&fq->daddr, arg->dst));
+ return fq->id == arg->id &&
+ fq->user == arg->user &&
+ ipv6_addr_equal(&fq->saddr, arg->src) &&
+ ipv6_addr_equal(&fq->daddr, arg->dst);
}
EXPORT_SYMBOL(ip6_frag_match);
@@ -414,6 +415,7 @@ static int ip6_frag_reasm(struct frag_queue *fq, struct sk_buff *prev,
struct sk_buff *fp, *head = fq->q.fragments;
int payload_len;
unsigned int nhoff;
+ int sum_truesize;
fq_kill(fq);
@@ -483,20 +485,33 @@ static int ip6_frag_reasm(struct frag_queue *fq, struct sk_buff *prev,
head->mac_header += sizeof(struct frag_hdr);
head->network_header += sizeof(struct frag_hdr);
- skb_shinfo(head)->frag_list = head->next;
skb_reset_transport_header(head);
skb_push(head, head->data - skb_network_header(head));
- for (fp=head->next; fp; fp = fp->next) {
- head->data_len += fp->len;
- head->len += fp->len;
+ sum_truesize = head->truesize;
+ for (fp = head->next; fp;) {
+ bool headstolen;
+ int delta;
+ struct sk_buff *next = fp->next;
+
+ sum_truesize += fp->truesize;
if (head->ip_summed != fp->ip_summed)
head->ip_summed = CHECKSUM_NONE;
else if (head->ip_summed == CHECKSUM_COMPLETE)
head->csum = csum_add(head->csum, fp->csum);
- head->truesize += fp->truesize;
+
+ if (skb_try_coalesce(head, fp, &headstolen, &delta)) {
+ kfree_skb_partial(fp, headstolen);
+ } else {
+ if (!skb_shinfo(head)->frag_list)
+ skb_shinfo(head)->frag_list = fp;
+ head->data_len += fp->len;
+ head->len += fp->len;
+ head->truesize += fp->truesize;
+ }
+ fp = next;
}
- atomic_sub(head->truesize, &fq->q.net->mem);
+ atomic_sub(sum_truesize, &fq->q.net->mem);
head->next = NULL;
head->dev = dev;
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index 90119a32b89..999a982ad3f 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -333,22 +333,22 @@ static void ip6_dst_ifdown(struct dst_entry *dst, struct net_device *dev,
}
}
-static __inline__ int rt6_check_expired(const struct rt6_info *rt)
+static bool rt6_check_expired(const struct rt6_info *rt)
{
struct rt6_info *ort = NULL;
if (rt->rt6i_flags & RTF_EXPIRES) {
if (time_after(jiffies, rt->dst.expires))
- return 1;
+ return true;
} else if (rt->dst.from) {
ort = (struct rt6_info *) rt->dst.from;
return (ort->rt6i_flags & RTF_EXPIRES) &&
time_after(jiffies, ort->dst.expires);
}
- return 0;
+ return false;
}
-static inline int rt6_need_strict(const struct in6_addr *daddr)
+static bool rt6_need_strict(const struct in6_addr *daddr)
{
return ipv6_addr_type(daddr) &
(IPV6_ADDR_MULTICAST | IPV6_ADDR_LINKLOCAL | IPV6_ADDR_LOOPBACK);
diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c
index c1d91a713e8..f05099fc590 100644
--- a/net/ipv6/udp.c
+++ b/net/ipv6/udp.c
@@ -103,7 +103,7 @@ int udp_v6_get_port(struct sock *sk, unsigned short snum)
{
unsigned int hash2_nulladdr =
udp6_portaddr_hash(sock_net(sk), &in6addr_any, snum);
- unsigned int hash2_partial =
+ unsigned int hash2_partial =
udp6_portaddr_hash(sock_net(sk), &inet6_sk(sk)->rcv_saddr, 0);
/* precompute partial secondary hash */
@@ -349,7 +349,7 @@ int udpv6_recvmsg(struct kiocb *iocb, struct sock *sk,
bool slow;
if (addr_len)
- *addr_len=sizeof(struct sockaddr_in6);
+ *addr_len = sizeof(struct sockaddr_in6);
if (flags & MSG_ERRQUEUE)
return ipv6_recv_error(sk, msg, len);
@@ -1379,7 +1379,7 @@ static struct sk_buff *udp6_ufo_fragment(struct sk_buff *skb,
* do checksum of UDP packets sent as multiple IP fragments.
*/
offset = skb_checksum_start_offset(skb);
- csum = skb_checksum(skb, offset, skb->len- offset, 0);
+ csum = skb_checksum(skb, offset, skb->len - offset, 0);
offset += skb->csum_offset;
*(__sum16 *)(skb->data + offset) = csum_fold(csum);
skb->ip_summed = CHECKSUM_NONE;
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-03-27 15:26:28 +0000