version 1.307.2.3, 2014/05/18 17:46:13 |
version 1.308, 2013/06/29 21:06:58 |
Line 212 int ip_do_randomid = 0; |
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Line 212 int ip_do_randomid = 0; |
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*/ |
*/ |
int ip_checkinterface = 0; |
int ip_checkinterface = 0; |
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struct rttimer_queue *ip_mtudisc_timeout_q = NULL; |
struct rttimer_queue *ip_mtudisc_timeout_q = NULL; |
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u_long in_ifaddrhash; /* size of hash table - 1 */ |
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int in_ifaddrentries; /* total number of addrs */ |
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struct in_ifaddrhead in_ifaddrhead; |
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struct in_ifaddrhashhead *in_ifaddrhashtbl; |
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u_long in_multihash; /* size of hash table - 1 */ |
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int in_multientries; /* total number of addrs */ |
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struct in_multihashhead *in_multihashtbl; |
struct ifqueue ipintrq; |
struct ifqueue ipintrq; |
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ipid_state_t * ip_ids; |
ipid_state_t * ip_ids; |
Line 223 percpu_t *ipstat_percpu; |
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Line 231 percpu_t *ipstat_percpu; |
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pfil_head_t *inet_pfil_hook; |
pfil_head_t *inet_pfil_hook; |
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struct pool inmulti_pool; |
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#ifdef INET_CSUM_COUNTERS |
#ifdef INET_CSUM_COUNTERS |
#include <sys/device.h> |
#include <sys/device.h> |
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Line 252 EVCNT_ATTACH_STATIC(ip_swcsum); |
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Line 262 EVCNT_ATTACH_STATIC(ip_swcsum); |
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* maintenance when the remote end is on a network that is not known |
* maintenance when the remote end is on a network that is not known |
* to us. |
* to us. |
*/ |
*/ |
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int ip_nhops = 0; |
static int ip_nhops = 0; |
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static struct ip_srcrt { |
static struct ip_srcrt { |
struct in_addr dst; /* final destination */ |
struct in_addr dst; /* final destination */ |
char nop; /* one NOP to align */ |
char nop; /* one NOP to align */ |
Line 271 struct mowner ip_rx_mowner = MOWNER_INIT |
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Line 279 struct mowner ip_rx_mowner = MOWNER_INIT |
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struct mowner ip_tx_mowner = MOWNER_INIT("internet", "tx"); |
struct mowner ip_tx_mowner = MOWNER_INIT("internet", "tx"); |
#endif |
#endif |
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static bool ip_dooptions(struct mbuf *); |
static void sysctl_net_inet_ip_setup(struct sysctllog **); |
static struct in_ifaddr *ip_rtaddr(struct in_addr); |
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static void sysctl_net_inet_ip_setup(struct sysctllog **); |
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/* |
/* |
* IP initialization: fill in IP protocol switch table. |
* IP initialization: fill in IP protocol switch table. |
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ip_init(void) |
ip_init(void) |
{ |
{ |
const struct protosw *pr; |
const struct protosw *pr; |
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int i; |
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in_init(); |
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sysctl_net_inet_ip_setup(NULL); |
sysctl_net_inet_ip_setup(NULL); |
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pr = pffindproto(PF_INET, IPPROTO_RAW, SOCK_RAW); |
pool_init(&inmulti_pool, sizeof(struct in_multi), 0, 0, 0, "inmltpl", |
KASSERT(pr != NULL); |
NULL, IPL_SOFTNET); |
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for (u_int i = 0; i < IPPROTO_MAX; i++) { |
pr = pffindproto(PF_INET, IPPROTO_RAW, SOCK_RAW); |
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if (pr == 0) |
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panic("ip_init"); |
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for (i = 0; i < IPPROTO_MAX; i++) |
ip_protox[i] = pr - inetsw; |
ip_protox[i] = pr - inetsw; |
} |
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for (pr = inetdomain.dom_protosw; |
for (pr = inetdomain.dom_protosw; |
pr < inetdomain.dom_protoswNPROTOSW; pr++) |
pr < inetdomain.dom_protoswNPROTOSW; pr++) |
if (pr->pr_domain->dom_family == PF_INET && |
if (pr->pr_domain->dom_family == PF_INET && |
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ipintrq.ifq_maxlen = IFQ_MAXLEN; |
ipintrq.ifq_maxlen = IFQ_MAXLEN; |
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TAILQ_INIT(&in_ifaddrhead); |
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in_ifaddrhashtbl = hashinit(IN_IFADDR_HASH_SIZE, HASH_LIST, true, |
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&in_ifaddrhash); |
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in_multihashtbl = hashinit(IN_IFADDR_HASH_SIZE, HASH_LIST, true, |
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&in_multihash); |
ip_mtudisc_timeout_q = rt_timer_queue_create(ip_mtudisc_timeout); |
ip_mtudisc_timeout_q = rt_timer_queue_create(ip_mtudisc_timeout); |
#ifdef GATEWAY |
#ifdef GATEWAY |
ipflow_init(); |
ipflow_init(ip_hashsize); |
#endif |
#endif |
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/* Register our Packet Filter hook. */ |
/* Register our Packet Filter hook. */ |
Line 327 struct sockaddr_in ipaddr = { |
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Line 340 struct sockaddr_in ipaddr = { |
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.sin_len = sizeof(ipaddr), |
.sin_len = sizeof(ipaddr), |
.sin_family = AF_INET, |
.sin_family = AF_INET, |
}; |
}; |
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struct route ipforward_rt; |
static struct route ipforward_rt; |
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/* |
/* |
* IP software interrupt routine |
* IP software interrupt routine |
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} |
} |
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/* |
/* |
* ip_dooptions: perform option processing on a datagram, possibly discarding |
* Do option processing on a datagram, |
* it if bad options are encountered, or forwarding it if source-routed. |
* possibly discarding it if bad options are encountered, |
* |
* or forwarding it if source-routed. |
* => Returns true if packet has been forwarded/freed. |
* Returns 1 if packet has been forwarded/freed, |
* => Returns false if the packet should be processed further. |
* 0 if the packet should be processed further. |
*/ |
*/ |
static bool |
int |
ip_dooptions(struct mbuf *m) |
ip_dooptions(struct mbuf *m) |
{ |
{ |
struct ip *ip = mtod(m, struct ip *); |
struct ip *ip = mtod(m, struct ip *); |
Line 1024 ip_dooptions(struct mbuf *m) |
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Line 1036 ip_dooptions(struct mbuf *m) |
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goto bad; |
goto bad; |
} |
} |
ip_forward(m, 1); |
ip_forward(m, 1); |
return true; |
return (1); |
} |
} |
return false; |
return (0); |
bad: |
bad: |
icmp_error(m, type, code, 0, 0); |
icmp_error(m, type, code, 0, 0); |
IP_STATINC(IP_STAT_BADOPTIONS); |
IP_STATINC(IP_STAT_BADOPTIONS); |
return true; |
return (1); |
} |
} |
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/* |
/* |
* ip_rtaddr: given address of next destination (final or next hop), |
* Given address of next destination (final or next hop), |
* return internet address info of interface to be used to get there. |
* return internet address info of interface to be used to get there. |
*/ |
*/ |
static struct in_ifaddr * |
struct in_ifaddr * |
ip_rtaddr(struct in_addr dst) |
ip_rtaddr(struct in_addr dst) |
{ |
{ |
struct rtentry *rt; |
struct rtentry *rt; |
Line 1055 ip_rtaddr(struct in_addr dst) |
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Line 1067 ip_rtaddr(struct in_addr dst) |
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} |
} |
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/* |
/* |
* save_rte: save incoming source route for use in replies, to be picked |
* Save incoming source route for use in replies, |
* up later by ip_srcroute if the receiver is interested. |
* to be picked up later by ip_srcroute if the receiver is interested. |
*/ |
*/ |
static void |
void |
save_rte(u_char *option, struct in_addr dst) |
save_rte(u_char *option, struct in_addr dst) |
{ |
{ |
unsigned olen; |
unsigned olen; |
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olen = option[IPOPT_OLEN]; |
olen = option[IPOPT_OLEN]; |
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#ifdef DIAGNOSTIC |
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if (ipprintfs) |
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printf("save_rte: olen %d\n", olen); |
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#endif /* 0 */ |
if (olen > sizeof(ip_srcrt) - (1 + sizeof(dst))) |
if (olen > sizeof(ip_srcrt) - (1 + sizeof(dst))) |
return; |
return; |
memcpy((void *)ip_srcrt.srcopt, (void *)option, olen); |
memcpy((void *)ip_srcrt.srcopt, (void *)option, olen); |
Line 1094 ip_srcroute(void) |
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Line 1110 ip_srcroute(void) |
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/* length is (nhops+1)*sizeof(addr) + sizeof(nop + srcrt header) */ |
/* length is (nhops+1)*sizeof(addr) + sizeof(nop + srcrt header) */ |
m->m_len = ip_nhops * sizeof(struct in_addr) + sizeof(struct in_addr) + |
m->m_len = ip_nhops * sizeof(struct in_addr) + sizeof(struct in_addr) + |
OPTSIZ; |
OPTSIZ; |
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#ifdef DIAGNOSTIC |
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if (ipprintfs) |
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printf("ip_srcroute: nhops %d mlen %d", ip_nhops, m->m_len); |
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#endif |
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/* |
/* |
* First save first hop for return route |
* First save first hop for return route |
*/ |
*/ |
p = &ip_srcrt.route[ip_nhops - 1]; |
p = &ip_srcrt.route[ip_nhops - 1]; |
*(mtod(m, struct in_addr *)) = *p--; |
*(mtod(m, struct in_addr *)) = *p--; |
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#ifdef DIAGNOSTIC |
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if (ipprintfs) |
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printf(" hops %x", ntohl(mtod(m, struct in_addr *)->s_addr)); |
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#endif |
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/* |
/* |
* Copy option fields and padding (nop) to mbuf. |
* Copy option fields and padding (nop) to mbuf. |
Line 1116 ip_srcroute(void) |
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Line 1140 ip_srcroute(void) |
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* reversing the path (pointers are now aligned). |
* reversing the path (pointers are now aligned). |
*/ |
*/ |
while (p >= ip_srcrt.route) { |
while (p >= ip_srcrt.route) { |
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#ifdef DIAGNOSTIC |
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if (ipprintfs) |
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printf(" %x", ntohl(q->s_addr)); |
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#endif |
*q++ = *p--; |
*q++ = *p--; |
} |
} |
/* |
/* |
* Last hop goes to final destination. |
* Last hop goes to final destination. |
*/ |
*/ |
*q = ip_srcrt.dst; |
*q = ip_srcrt.dst; |
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#ifdef DIAGNOSTIC |
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if (ipprintfs) |
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printf(" %x\n", ntohl(q->s_addr)); |
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#endif |
return (m); |
return (m); |
} |
} |
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Line 1190 ip_forward(struct mbuf *m, int srcrt) |
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Line 1222 ip_forward(struct mbuf *m, int srcrt) |
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m->m_pkthdr.csum_flags = 0; |
m->m_pkthdr.csum_flags = 0; |
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dest = 0; |
dest = 0; |
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#ifdef DIAGNOSTIC |
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if (ipprintfs) { |
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printf("forward: src %s ", inet_ntoa(ip->ip_src)); |
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printf("dst %s ttl %x\n", inet_ntoa(ip->ip_dst), ip->ip_ttl); |
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} |
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#endif |
if (m->m_flags & (M_BCAST|M_MCAST) || in_canforward(ip->ip_dst) == 0) { |
if (m->m_flags & (M_BCAST|M_MCAST) || in_canforward(ip->ip_dst) == 0) { |
IP_STATINC(IP_STAT_CANTFORWARD); |
IP_STATINC(IP_STAT_CANTFORWARD); |
m_freem(m); |
m_freem(m); |
Line 1242 ip_forward(struct mbuf *m, int srcrt) |
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Line 1280 ip_forward(struct mbuf *m, int srcrt) |
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*/ |
*/ |
type = ICMP_REDIRECT; |
type = ICMP_REDIRECT; |
code = ICMP_REDIRECT_HOST; |
code = ICMP_REDIRECT_HOST; |
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#ifdef DIAGNOSTIC |
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if (ipprintfs) |
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printf("redirect (%d) to %x\n", code, |
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(u_int32_t)dest); |
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#endif |
} |
} |
} |
} |
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Line 1300 ip_forward(struct mbuf *m, int srcrt) |
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Line 1343 ip_forward(struct mbuf *m, int srcrt) |
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break; |
break; |
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case ENOBUFS: |
case ENOBUFS: |
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#if 1 |
/* |
/* |
* Do not generate ICMP_SOURCEQUENCH as required in RFC 1812, |
* a router should not generate ICMP_SOURCEQUENCH as |
* Requirements for IP Version 4 Routers. Source quench can |
* required in RFC1812 Requirements for IP Version 4 Routers. |
* big problem under DoS attacks or if the underlying |
* source quench could be a big problem under DoS attacks, |
* interface is rate-limited. |
* or if the underlying interface is rate-limited. |
*/ |
*/ |
if (mcopy) |
if (mcopy) |
m_freem(mcopy); |
m_freem(mcopy); |
return; |
return; |
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#else |
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type = ICMP_SOURCEQUENCH; |
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code = 0; |
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break; |
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#endif |
} |
} |
icmp_error(mcopy, type, code, dest, destmtu); |
icmp_error(mcopy, type, code, dest, destmtu); |
} |
} |
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void |
void |
ip_savecontrol(inpcb_t *inp, struct mbuf **mp, struct ip *ip, struct mbuf *m) |
ip_savecontrol(struct inpcb *inp, struct mbuf **mp, struct ip *ip, |
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struct mbuf *m) |
{ |
{ |
struct socket *so = inpcb_get_socket(inp); |
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int inpflags = inpcb_get_flags(inp); |
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if (so->so_options & SO_TIMESTAMP |
if (inp->inp_socket->so_options & SO_TIMESTAMP |
#ifdef SO_OTIMESTAMP |
#ifdef SO_OTIMESTAMP |
|| so->so_options & SO_OTIMESTAMP |
|| inp->inp_socket->so_options & SO_OTIMESTAMP |
#endif |
#endif |
) { |
) { |
struct timeval tv; |
struct timeval tv; |
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microtime(&tv); |
microtime(&tv); |
#ifdef SO_OTIMESTAMP |
#ifdef SO_OTIMESTAMP |
if (so->so_options & SO_OTIMESTAMP) { |
if (inp->inp_socket->so_options & SO_OTIMESTAMP) { |
struct timeval50 tv50; |
struct timeval50 tv50; |
timeval_to_timeval50(&tv, &tv50); |
timeval_to_timeval50(&tv, &tv50); |
*mp = sbcreatecontrol((void *) &tv50, sizeof(tv50), |
*mp = sbcreatecontrol((void *) &tv50, sizeof(tv50), |
Line 1340 ip_savecontrol(inpcb_t *inp, struct mbuf |
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Line 1388 ip_savecontrol(inpcb_t *inp, struct mbuf |
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if (*mp) |
if (*mp) |
mp = &(*mp)->m_next; |
mp = &(*mp)->m_next; |
} |
} |
if (inpflags & INP_RECVDSTADDR) { |
if (inp->inp_flags & INP_RECVDSTADDR) { |
*mp = sbcreatecontrol((void *) &ip->ip_dst, |
*mp = sbcreatecontrol((void *) &ip->ip_dst, |
sizeof(struct in_addr), IP_RECVDSTADDR, IPPROTO_IP); |
sizeof(struct in_addr), IP_RECVDSTADDR, IPPROTO_IP); |
if (*mp) |
if (*mp) |
mp = &(*mp)->m_next; |
mp = &(*mp)->m_next; |
} |
} |
if (inpflags & INP_RECVPKTINFO) { |
if (inp->inp_flags & INP_RECVPKTINFO) { |
struct in_pktinfo ipi; |
struct in_pktinfo ipi; |
ipi.ipi_addr = ip->ip_src; |
ipi.ipi_addr = ip->ip_src; |
ipi.ipi_ifindex = m->m_pkthdr.rcvif->if_index; |
ipi.ipi_ifindex = m->m_pkthdr.rcvif->if_index; |
Line 1355 ip_savecontrol(inpcb_t *inp, struct mbuf |
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Line 1403 ip_savecontrol(inpcb_t *inp, struct mbuf |
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if (*mp) |
if (*mp) |
mp = &(*mp)->m_next; |
mp = &(*mp)->m_next; |
} |
} |
if (inpflags & INP_PKTINFO) { |
if (inp->inp_flags & INP_PKTINFO) { |
struct in_pktinfo ipi; |
struct in_pktinfo ipi; |
ipi.ipi_addr = ip->ip_dst; |
ipi.ipi_addr = ip->ip_dst; |
ipi.ipi_ifindex = m->m_pkthdr.rcvif->if_index; |
ipi.ipi_ifindex = m->m_pkthdr.rcvif->if_index; |
Line 1364 ip_savecontrol(inpcb_t *inp, struct mbuf |
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Line 1412 ip_savecontrol(inpcb_t *inp, struct mbuf |
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if (*mp) |
if (*mp) |
mp = &(*mp)->m_next; |
mp = &(*mp)->m_next; |
} |
} |
if (inpflags & INP_RECVIF) { |
#ifdef notyet |
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/* |
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* XXX |
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* Moving these out of udp_input() made them even more broken |
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* than they already were. |
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* - fenner@parc.xerox.com |
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*/ |
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/* options were tossed already */ |
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if (inp->inp_flags & INP_RECVOPTS) { |
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*mp = sbcreatecontrol((void *) opts_deleted_above, |
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sizeof(struct in_addr), IP_RECVOPTS, IPPROTO_IP); |
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if (*mp) |
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mp = &(*mp)->m_next; |
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} |
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/* ip_srcroute doesn't do what we want here, need to fix */ |
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if (inp->inp_flags & INP_RECVRETOPTS) { |
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*mp = sbcreatecontrol((void *) ip_srcroute(), |
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sizeof(struct in_addr), IP_RECVRETOPTS, IPPROTO_IP); |
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if (*mp) |
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mp = &(*mp)->m_next; |
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} |
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#endif |
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if (inp->inp_flags & INP_RECVIF) { |
struct sockaddr_dl sdl; |
struct sockaddr_dl sdl; |
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sockaddr_dl_init(&sdl, sizeof(sdl), m->m_pkthdr.rcvif ? |
sockaddr_dl_init(&sdl, sizeof(sdl), |
m->m_pkthdr.rcvif->if_index : 0, 0, NULL, 0, NULL, 0); |
(m->m_pkthdr.rcvif != NULL) |
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? m->m_pkthdr.rcvif->if_index |
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: 0, |
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0, NULL, 0, NULL, 0); |
*mp = sbcreatecontrol(&sdl, sdl.sdl_len, IP_RECVIF, IPPROTO_IP); |
*mp = sbcreatecontrol(&sdl, sdl.sdl_len, IP_RECVIF, IPPROTO_IP); |
if (*mp) |
if (*mp) |
mp = &(*mp)->m_next; |
mp = &(*mp)->m_next; |
} |
} |
if (inpflags & INP_RECVTTL) { |
if (inp->inp_flags & INP_RECVTTL) { |
*mp = sbcreatecontrol((void *) &ip->ip_ttl, |
*mp = sbcreatecontrol((void *) &ip->ip_ttl, |
sizeof(uint8_t), IP_RECVTTL, IPPROTO_IP); |
sizeof(uint8_t), IP_RECVTTL, IPPROTO_IP); |
if (*mp) |
if (*mp) |
Line 1436 sysctl_net_inet_ip_pmtudto(SYSCTLFN_ARGS |
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Line 1509 sysctl_net_inet_ip_pmtudto(SYSCTLFN_ARGS |
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return (0); |
return (0); |
} |
} |
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#ifdef GATEWAY |
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/* |
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* sysctl helper routine for net.inet.ip.maxflows. |
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*/ |
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static int |
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sysctl_net_inet_ip_maxflows(SYSCTLFN_ARGS) |
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{ |
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int error; |
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error = sysctl_lookup(SYSCTLFN_CALL(rnode)); |
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if (error || newp == NULL) |
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return (error); |
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mutex_enter(softnet_lock); |
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KERNEL_LOCK(1, NULL); |
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ipflow_prune(); |
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KERNEL_UNLOCK_ONE(NULL); |
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mutex_exit(softnet_lock); |
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return (0); |
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} |
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static int |
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sysctl_net_inet_ip_hashsize(SYSCTLFN_ARGS) |
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{ |
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int error, tmp; |
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struct sysctlnode node; |
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node = *rnode; |
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tmp = ip_hashsize; |
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node.sysctl_data = &tmp; |
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error = sysctl_lookup(SYSCTLFN_CALL(&node)); |
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if (error || newp == NULL) |
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return (error); |
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if ((tmp & (tmp - 1)) == 0 && tmp != 0) { |
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/* |
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* Can only fail due to malloc() |
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*/ |
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mutex_enter(softnet_lock); |
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KERNEL_LOCK(1, NULL); |
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error = ipflow_invalidate_all(tmp); |
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KERNEL_UNLOCK_ONE(NULL); |
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mutex_exit(softnet_lock); |
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} else { |
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/* |
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* EINVAL if not a power of 2 |
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*/ |
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error = EINVAL; |
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} |
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return error; |
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} |
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#endif /* GATEWAY */ |
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static int |
static int |
sysctl_net_inet_ip_stats(SYSCTLFN_ARGS) |
sysctl_net_inet_ip_stats(SYSCTLFN_ARGS) |
{ |
{ |
Line 1446 sysctl_net_inet_ip_stats(SYSCTLFN_ARGS) |
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Line 1579 sysctl_net_inet_ip_stats(SYSCTLFN_ARGS) |
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static void |
static void |
sysctl_net_inet_ip_setup(struct sysctllog **clog) |
sysctl_net_inet_ip_setup(struct sysctllog **clog) |
{ |
{ |
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extern int subnetsarelocal, hostzeroisbroadcast; |
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|
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sysctl_createv(clog, 0, NULL, NULL, |
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CTLFLAG_PERMANENT, |
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CTLTYPE_NODE, "net", NULL, |
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NULL, 0, NULL, 0, |
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CTL_NET, CTL_EOL); |
sysctl_createv(clog, 0, NULL, NULL, |
sysctl_createv(clog, 0, NULL, NULL, |
CTLFLAG_PERMANENT, |
CTLFLAG_PERMANENT, |
CTLTYPE_NODE, "inet", |
CTLTYPE_NODE, "inet", |
Line 1511 sysctl_net_inet_ip_setup(struct sysctllo |
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Line 1651 sysctl_net_inet_ip_setup(struct sysctllo |
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NULL, 0, &ip_allowsrcrt, 0, |
NULL, 0, &ip_allowsrcrt, 0, |
CTL_NET, PF_INET, IPPROTO_IP, |
CTL_NET, PF_INET, IPPROTO_IP, |
IPCTL_ALLOWSRCRT, CTL_EOL); |
IPCTL_ALLOWSRCRT, CTL_EOL); |
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sysctl_createv(clog, 0, NULL, NULL, |
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CTLFLAG_PERMANENT|CTLFLAG_READWRITE, |
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CTLTYPE_INT, "subnetsarelocal", |
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SYSCTL_DESCR("Whether logical subnets are considered " |
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"local"), |
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NULL, 0, &subnetsarelocal, 0, |
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CTL_NET, PF_INET, IPPROTO_IP, |
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IPCTL_SUBNETSARELOCAL, CTL_EOL); |
sysctl_createv(clog, 0, NULL, NULL, |
sysctl_createv(clog, 0, NULL, NULL, |
CTLFLAG_PERMANENT|CTLFLAG_READWRITE, |
CTLFLAG_PERMANENT|CTLFLAG_READWRITE, |
CTLTYPE_INT, "mtudisc", |
CTLTYPE_INT, "mtudisc", |
Line 1540 sysctl_net_inet_ip_setup(struct sysctllo |
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Line 1687 sysctl_net_inet_ip_setup(struct sysctllo |
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sysctl_net_inet_ip_pmtudto, 0, (void *)&ip_mtudisc_timeout, 0, |
sysctl_net_inet_ip_pmtudto, 0, (void *)&ip_mtudisc_timeout, 0, |
CTL_NET, PF_INET, IPPROTO_IP, |
CTL_NET, PF_INET, IPPROTO_IP, |
IPCTL_MTUDISCTIMEOUT, CTL_EOL); |
IPCTL_MTUDISCTIMEOUT, CTL_EOL); |
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#ifdef GATEWAY |
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sysctl_createv(clog, 0, NULL, NULL, |
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CTLFLAG_PERMANENT|CTLFLAG_READWRITE, |
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CTLTYPE_INT, "maxflows", |
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SYSCTL_DESCR("Number of flows for fast forwarding"), |
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sysctl_net_inet_ip_maxflows, 0, &ip_maxflows, 0, |
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CTL_NET, PF_INET, IPPROTO_IP, |
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IPCTL_MAXFLOWS, CTL_EOL); |
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sysctl_createv(clog, 0, NULL, NULL, |
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CTLFLAG_PERMANENT|CTLFLAG_READWRITE, |
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CTLTYPE_INT, "hashsize", |
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SYSCTL_DESCR("Size of hash table for fast forwarding (IPv4)"), |
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sysctl_net_inet_ip_hashsize, 0, &ip_hashsize, 0, |
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CTL_NET, PF_INET, IPPROTO_IP, |
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CTL_CREATE, CTL_EOL); |
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#endif /* GATEWAY */ |
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sysctl_createv(clog, 0, NULL, NULL, |
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CTLFLAG_PERMANENT|CTLFLAG_READWRITE, |
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CTLTYPE_INT, "hostzerobroadcast", |
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SYSCTL_DESCR("All zeroes address is broadcast address"), |
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NULL, 0, &hostzeroisbroadcast, 0, |
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CTL_NET, PF_INET, IPPROTO_IP, |
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IPCTL_HOSTZEROBROADCAST, CTL_EOL); |
#if NGIF > 0 |
#if NGIF > 0 |
sysctl_createv(clog, 0, NULL, NULL, |
sysctl_createv(clog, 0, NULL, NULL, |
CTLFLAG_PERMANENT|CTLFLAG_READWRITE, |
CTLFLAG_PERMANENT|CTLFLAG_READWRITE, |