diff options
-rw-r--r-- | drivers/net/ppp_mppe.c | 10 | ||||
-rw-r--r-- | include/net/irda/irlap.h | 17 | ||||
-rw-r--r-- | include/net/sctp/sctp.h | 7 | ||||
-rw-r--r-- | include/net/sctp/structs.h | 7 | ||||
-rw-r--r-- | net/ipv4/tcp_bic.c | 2 | ||||
-rw-r--r-- | net/ipv4/tcp_cubic.c | 2 | ||||
-rw-r--r-- | net/ipv4/tcp_input.c | 3 | ||||
-rw-r--r-- | net/ipv4/tcp_ipv4.c | 3 | ||||
-rw-r--r-- | net/ipv6/addrconf.c | 33 | ||||
-rw-r--r-- | net/ipv6/tcp_ipv6.c | 2 | ||||
-rw-r--r-- | net/irda/irlap_event.c | 28 | ||||
-rw-r--r-- | net/irda/irlap_frame.c | 3 | ||||
-rw-r--r-- | net/mac80211/debugfs.c | 2 | ||||
-rw-r--r-- | net/mac80211/ieee80211_sta.c | 12 | ||||
-rw-r--r-- | net/sctp/associola.c | 4 | ||||
-rw-r--r-- | net/sctp/input.c | 24 | ||||
-rw-r--r-- | net/sctp/socket.c | 31 | ||||
-rw-r--r-- | net/sctp/transport.c | 39 | ||||
-rw-r--r-- | net/wireless/sysfs.c | 2 |
19 files changed, 150 insertions, 81 deletions
diff --git a/drivers/net/ppp_mppe.c b/drivers/net/ppp_mppe.c index d5bdd257465..5ae80bbe2ed 100644 --- a/drivers/net/ppp_mppe.c +++ b/drivers/net/ppp_mppe.c @@ -493,14 +493,14 @@ mppe_decompress(void *arg, unsigned char *ibuf, int isize, unsigned char *obuf, /* * Make sure we have enough room to decrypt the packet. - * Note that for our test we only subtract 1 byte whereas in - * mppe_compress() we added 2 bytes (+MPPE_OVHD); - * this is to account for possible PFC. + * To account for possible PFC we should only subtract 1 + * byte whereas in mppe_compress() we added 2 bytes (+MPPE_OVHD); + * However, we assume no PFC, thus subtracting 2 bytes. */ - if (osize < isize - MPPE_OVHD - 1) { + if (osize < isize - MPPE_OVHD - 2) { printk(KERN_DEBUG "mppe_decompress[%d]: osize too small! " "(have: %d need: %d)\n", state->unit, - osize, isize - MPPE_OVHD - 1); + osize, isize - MPPE_OVHD - 2); return DECOMP_ERROR; } osize = isize - MPPE_OVHD - 2; /* assume no PFC */ diff --git a/include/net/irda/irlap.h b/include/net/irda/irlap.h index f0248fb8e19..a3d370efb90 100644 --- a/include/net/irda/irlap.h +++ b/include/net/irda/irlap.h @@ -289,4 +289,21 @@ static inline void irlap_clear_disconnect(struct irlap_cb *self) self->disconnect_pending = FALSE; } +/* + * Function irlap_next_state (self, state) + * + * Switches state and provides debug information + * + */ +static inline void irlap_next_state(struct irlap_cb *self, IRLAP_STATE state) +{ + /* + if (!self || self->magic != LAP_MAGIC) + return; + + IRDA_DEBUG(4, "next LAP state = %s\n", irlap_state[state]); + */ + self->state = state; +} + #endif diff --git a/include/net/sctp/sctp.h b/include/net/sctp/sctp.h index dda72bf5b9b..16baef4dab7 100644 --- a/include/net/sctp/sctp.h +++ b/include/net/sctp/sctp.h @@ -503,6 +503,13 @@ static inline int sctp_frag_point(const struct sctp_sock *sp, int pmtu) return frag; } +static inline void sctp_assoc_pending_pmtu(struct sctp_association *asoc) +{ + + sctp_assoc_sync_pmtu(asoc); + asoc->pmtu_pending = 0; +} + /* Walk through a list of TLV parameters. Don't trust the * individual parameter lengths and instead depend on * the chunk length to indicate when to stop. Make sure diff --git a/include/net/sctp/structs.h b/include/net/sctp/structs.h index 5e81984b847..ee4559b1130 100644 --- a/include/net/sctp/structs.h +++ b/include/net/sctp/structs.h @@ -912,6 +912,9 @@ struct sctp_transport { */ __u16 pathmaxrxt; + /* is the Path MTU update pending on this tranport */ + __u8 pmtu_pending; + /* PMTU : The current known path MTU. */ __u32 pathmtu; @@ -1006,6 +1009,7 @@ void sctp_transport_raise_cwnd(struct sctp_transport *, __u32, __u32); void sctp_transport_lower_cwnd(struct sctp_transport *, sctp_lower_cwnd_t); unsigned long sctp_transport_timeout(struct sctp_transport *); void sctp_transport_reset(struct sctp_transport *); +void sctp_transport_update_pmtu(struct sctp_transport *, u32); /* This is the structure we use to queue packets as they come into @@ -1565,6 +1569,9 @@ struct sctp_association { */ __u16 pathmaxrxt; + /* Flag that path mtu update is pending */ + __u8 pmtu_pending; + /* Association : The smallest PMTU discovered for all of the * PMTU : peer's transport addresses. */ diff --git a/net/ipv4/tcp_bic.c b/net/ipv4/tcp_bic.c index 281c9f91325..dd9ef65ad3f 100644 --- a/net/ipv4/tcp_bic.c +++ b/net/ipv4/tcp_bic.c @@ -29,7 +29,7 @@ static int fast_convergence = 1; static int max_increment = 16; static int low_window = 14; static int beta = 819; /* = 819/1024 (BICTCP_BETA_SCALE) */ -static int initial_ssthresh = 100; +static int initial_ssthresh; static int smooth_part = 20; module_param(fast_convergence, int, 0644); diff --git a/net/ipv4/tcp_cubic.c b/net/ipv4/tcp_cubic.c index 14224487b16..ebfaac2f9f4 100644 --- a/net/ipv4/tcp_cubic.c +++ b/net/ipv4/tcp_cubic.c @@ -29,7 +29,7 @@ static int fast_convergence __read_mostly = 1; static int max_increment __read_mostly = 16; static int beta __read_mostly = 819; /* = 819/1024 (BICTCP_BETA_SCALE) */ -static int initial_ssthresh __read_mostly = 100; +static int initial_ssthresh __read_mostly; static int bic_scale __read_mostly = 41; static int tcp_friendliness __read_mostly = 1; diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c index 74683d81c3f..d6d0f9b6cdc 100644 --- a/net/ipv4/tcp_input.c +++ b/net/ipv4/tcp_input.c @@ -2037,7 +2037,7 @@ static void tcp_try_to_open(struct sock *sk, int flag) { struct tcp_sock *tp = tcp_sk(sk); - tp->left_out = tp->sacked_out; + tcp_sync_left_out(tp); if (tp->retrans_out == 0) tp->retrans_stamp = 0; @@ -2932,6 +2932,7 @@ void tcp_parse_options(struct sk_buff *skb, struct tcp_options_received *opt_rx, opt_rx->sack_ok) { TCP_SKB_CB(skb)->sacked = (ptr - 2) - (unsigned char *)th; } + break; #ifdef CONFIG_TCP_MD5SIG case TCPOPT_MD5SIG: /* diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c index 97e294e8267..354721d67f6 100644 --- a/net/ipv4/tcp_ipv4.c +++ b/net/ipv4/tcp_ipv4.c @@ -878,6 +878,7 @@ int tcp_v4_md5_do_add(struct sock *sk, __be32 addr, kfree(newkey); return -ENOMEM; } + sk->sk_route_caps &= ~NETIF_F_GSO_MASK; } if (tcp_alloc_md5sig_pool() == NULL) { kfree(newkey); @@ -1007,7 +1008,7 @@ static int tcp_v4_parse_md5_keys(struct sock *sk, char __user *optval, return -EINVAL; tp->md5sig_info = p; - + sk->sk_route_caps &= ~NETIF_F_GSO_MASK; } newkey = kmemdup(cmd.tcpm_key, cmd.tcpm_keylen, GFP_KERNEL); diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c index 5a5f8bd4597..f96ed76d8fa 100644 --- a/net/ipv6/addrconf.c +++ b/net/ipv6/addrconf.c @@ -2154,6 +2154,15 @@ static void addrconf_dev_config(struct net_device *dev) ASSERT_RTNL(); + if ((dev->type != ARPHRD_ETHER) && + (dev->type != ARPHRD_FDDI) && + (dev->type != ARPHRD_IEEE802_TR) && + (dev->type != ARPHRD_ARCNET) && + (dev->type != ARPHRD_INFINIBAND)) { + /* Alas, we support only Ethernet autoconfiguration. */ + return; + } + idev = addrconf_add_dev(dev); if (idev == NULL) return; @@ -2241,36 +2250,16 @@ static void addrconf_ip6_tnl_config(struct net_device *dev) ip6_tnl_add_linklocal(idev); } -static int ipv6_hwtype(struct net_device *dev) -{ - if ((dev->type == ARPHRD_ETHER) || - (dev->type == ARPHRD_LOOPBACK) || - (dev->type == ARPHRD_SIT) || - (dev->type == ARPHRD_TUNNEL6) || - (dev->type == ARPHRD_FDDI) || - (dev->type == ARPHRD_IEEE802_TR) || - (dev->type == ARPHRD_ARCNET) || - (dev->type == ARPHRD_INFINIBAND)) - return 1; - - return 0; -} - static int addrconf_notify(struct notifier_block *this, unsigned long event, void * data) { struct net_device *dev = (struct net_device *) data; - struct inet6_dev *idev; + struct inet6_dev *idev = __in6_dev_get(dev); int run_pending = 0; - if (!ipv6_hwtype(dev)) - return NOTIFY_OK; - - idev = __in6_dev_get(dev); - switch(event) { case NETDEV_REGISTER: - if (!idev) { + if (!idev && dev->mtu >= IPV6_MIN_MTU) { idev = ipv6_add_dev(dev); if (!idev) printk(KERN_WARNING "IPv6: add_dev failed for %s\n", diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c index 4f06a51ad4f..193d9d60bb7 100644 --- a/net/ipv6/tcp_ipv6.c +++ b/net/ipv6/tcp_ipv6.c @@ -590,6 +590,7 @@ static int tcp_v6_md5_do_add(struct sock *sk, struct in6_addr *peer, kfree(newkey); return -ENOMEM; } + sk->sk_route_caps &= ~NETIF_F_GSO_MASK; } tcp_alloc_md5sig_pool(); if (tp->md5sig_info->alloced6 == tp->md5sig_info->entries6) { @@ -724,6 +725,7 @@ static int tcp_v6_parse_md5_keys (struct sock *sk, char __user *optval, return -ENOMEM; tp->md5sig_info = p; + sk->sk_route_caps &= ~NETIF_F_GSO_MASK; } newkey = kmemdup(cmd.tcpm_key, cmd.tcpm_keylen, GFP_KERNEL); diff --git a/net/irda/irlap_event.c b/net/irda/irlap_event.c index 0b02073ffdf..a8b8873aa26 100644 --- a/net/irda/irlap_event.c +++ b/net/irda/irlap_event.c @@ -317,23 +317,6 @@ void irlap_do_event(struct irlap_cb *self, IRLAP_EVENT event, } /* - * Function irlap_next_state (self, state) - * - * Switches state and provides debug information - * - */ -static inline void irlap_next_state(struct irlap_cb *self, IRLAP_STATE state) -{ - /* - if (!self || self->magic != LAP_MAGIC) - return; - - IRDA_DEBUG(4, "next LAP state = %s\n", irlap_state[state]); - */ - self->state = state; -} - -/* * Function irlap_state_ndm (event, skb, frame) * * NDM (Normal Disconnected Mode) state @@ -1086,7 +1069,6 @@ static int irlap_state_xmit_p(struct irlap_cb *self, IRLAP_EVENT event, } else { /* Final packet of window */ irlap_send_data_primary_poll(self, skb); - irlap_next_state(self, LAP_NRM_P); /* * Make sure state machine does not try to send @@ -1436,14 +1418,14 @@ static int irlap_state_nrm_p(struct irlap_cb *self, IRLAP_EVENT event, */ self->remote_busy = FALSE; + /* Stop final timer */ + del_timer(&self->final_timer); + /* * Nr as expected? */ ret = irlap_validate_nr_received(self, info->nr); if (ret == NR_EXPECTED) { - /* Stop final timer */ - del_timer(&self->final_timer); - /* Update Nr received */ irlap_update_nr_received(self, info->nr); @@ -1475,14 +1457,12 @@ static int irlap_state_nrm_p(struct irlap_cb *self, IRLAP_EVENT event, /* Resend rejected frames */ irlap_resend_rejected_frames(self, CMD_FRAME); - - /* Final timer ??? Jean II */ + irlap_start_final_timer(self, self->final_timeout * 2); irlap_next_state(self, LAP_NRM_P); } else if (ret == NR_INVALID) { IRDA_DEBUG(1, "%s(), Received RR with " "invalid nr !\n", __FUNCTION__); - del_timer(&self->final_timer); irlap_next_state(self, LAP_RESET_WAIT); diff --git a/net/irda/irlap_frame.c b/net/irda/irlap_frame.c index 3c5a68e3641..3013c49ab97 100644 --- a/net/irda/irlap_frame.c +++ b/net/irda/irlap_frame.c @@ -798,16 +798,19 @@ void irlap_send_data_primary_poll(struct irlap_cb *self, struct sk_buff *skb) self->vs = (self->vs + 1) % 8; self->ack_required = FALSE; + irlap_next_state(self, LAP_NRM_P); irlap_send_i_frame(self, tx_skb, CMD_FRAME); } else { IRDA_DEBUG(4, "%s(), sending unreliable frame\n", __FUNCTION__); if (self->ack_required) { irlap_send_ui_frame(self, skb_get(skb), self->caddr, CMD_FRAME); + irlap_next_state(self, LAP_NRM_P); irlap_send_rr_frame(self, CMD_FRAME); self->ack_required = FALSE; } else { skb->data[1] |= PF_BIT; + irlap_next_state(self, LAP_NRM_P); irlap_send_ui_frame(self, skb_get(skb), self->caddr, CMD_FRAME); } } diff --git a/net/mac80211/debugfs.c b/net/mac80211/debugfs.c index bb6c0feb2d4..476c8486f78 100644 --- a/net/mac80211/debugfs.c +++ b/net/mac80211/debugfs.c @@ -112,7 +112,7 @@ DEBUGFS_READONLY_FILE(wep_iv, 20, "%#06x", local->wep_iv & 0xffffff); DEBUGFS_READONLY_FILE(tx_power_reduction, 20, "%d.%d dBm", local->hw.conf.tx_power_reduction / 10, - local->hw.conf.tx_power_reduction & 10); + local->hw.conf.tx_power_reduction % 10); DEBUGFS_READONLY_FILE(rate_ctrl_alg, 100, "%s", local->rate_ctrl ? local->rate_ctrl->ops->name : "<unset>"); diff --git a/net/mac80211/ieee80211_sta.c b/net/mac80211/ieee80211_sta.c index 9f30ae4c2ab..91b545c144c 100644 --- a/net/mac80211/ieee80211_sta.c +++ b/net/mac80211/ieee80211_sta.c @@ -2592,11 +2592,17 @@ void ieee80211_scan_completed(struct ieee80211_hw *hw) read_lock(&local->sub_if_lock); list_for_each_entry(sdata, &local->sub_if_list, list) { + + /* No need to wake the master device. */ + if (sdata->dev == local->mdev) + continue; + if (sdata->type == IEEE80211_IF_TYPE_STA) { if (sdata->u.sta.associated) ieee80211_send_nullfunc(local, sdata, 0); ieee80211_sta_timer((unsigned long)sdata); } + netif_wake_queue(sdata->dev); } read_unlock(&local->sub_if_lock); @@ -2738,6 +2744,12 @@ static int ieee80211_sta_start_scan(struct net_device *dev, read_lock(&local->sub_if_lock); list_for_each_entry(sdata, &local->sub_if_list, list) { + + /* Don't stop the master interface, otherwise we can't transmit + * probes! */ + if (sdata->dev == local->mdev) + continue; + netif_stop_queue(sdata->dev); if (sdata->type == IEEE80211_IF_TYPE_STA && sdata->u.sta.associated) diff --git a/net/sctp/associola.c b/net/sctp/associola.c index df94e3cdfba..498edb0cd4e 100644 --- a/net/sctp/associola.c +++ b/net/sctp/associola.c @@ -1231,6 +1231,10 @@ void sctp_assoc_sync_pmtu(struct sctp_association *asoc) /* Get the lowest pmtu of all the transports. */ list_for_each(pos, &asoc->peer.transport_addr_list) { t = list_entry(pos, struct sctp_transport, transports); + if (t->pmtu_pending && t->dst) { + sctp_transport_update_pmtu(t, dst_mtu(t->dst)); + t->pmtu_pending = 0; + } if (!pmtu || (t->pathmtu < pmtu)) pmtu = t->pathmtu; } diff --git a/net/sctp/input.c b/net/sctp/input.c index 885109fb3dd..d57ff7f3c57 100644 --- a/net/sctp/input.c +++ b/net/sctp/input.c @@ -367,24 +367,18 @@ static void sctp_add_backlog(struct sock *sk, struct sk_buff *skb) void sctp_icmp_frag_needed(struct sock *sk, struct sctp_association *asoc, struct sctp_transport *t, __u32 pmtu) { - if (sock_owned_by_user(sk) || !t || (t->pathmtu == pmtu)) + if (!t || (t->pathmtu == pmtu)) return; + if (sock_owned_by_user(sk)) { + asoc->pmtu_pending = 1; + t->pmtu_pending = 1; + return; + } + if (t->param_flags & SPP_PMTUD_ENABLE) { - if (unlikely(pmtu < SCTP_DEFAULT_MINSEGMENT)) { - printk(KERN_WARNING "%s: Reported pmtu %d too low, " - "using default minimum of %d\n", - __FUNCTION__, pmtu, - SCTP_DEFAULT_MINSEGMENT); - /* Use default minimum segment size and disable - * pmtu discovery on this transport. - */ - t->pathmtu = SCTP_DEFAULT_MINSEGMENT; - t->param_flags = (t->param_flags & ~SPP_PMTUD) | - SPP_PMTUD_DISABLE; - } else { - t->pathmtu = pmtu; - } + /* Update transports view of the MTU */ + sctp_transport_update_pmtu(t, pmtu); /* Update association pmtu. */ sctp_assoc_sync_pmtu(asoc); diff --git a/net/sctp/socket.c b/net/sctp/socket.c index 4dcdabf5647..6edaaa009d6 100644 --- a/net/sctp/socket.c +++ b/net/sctp/socket.c @@ -333,12 +333,19 @@ SCTP_STATIC int sctp_do_bind(struct sock *sk, union sctp_addr *addr, int len) if (!sp->pf->bind_verify(sp, addr)) return -EADDRNOTAVAIL; - /* We must either be unbound, or bind to the same port. */ - if (bp->port && (snum != bp->port)) { - SCTP_DEBUG_PRINTK("sctp_do_bind:" + /* We must either be unbound, or bind to the same port. + * It's OK to allow 0 ports if we are already bound. + * We'll just inhert an already bound port in this case + */ + if (bp->port) { + if (!snum) + snum = bp->port; + else if (snum != bp->port) { + SCTP_DEBUG_PRINTK("sctp_do_bind:" " New port %d does not match existing port " "%d.\n", snum, bp->port); - return -EINVAL; + return -EINVAL; + } } if (snum && snum < PROT_SOCK && !capable(CAP_NET_BIND_SERVICE)) @@ -1655,6 +1662,9 @@ SCTP_STATIC int sctp_sendmsg(struct kiocb *iocb, struct sock *sk, goto out_free; } + if (asoc->pmtu_pending) + sctp_assoc_pending_pmtu(asoc); + /* If fragmentation is disabled and the message length exceeds the * association fragmentation point, return EMSGSIZE. The I-D * does not specify what this error is, but this looks like @@ -3550,6 +3560,7 @@ SCTP_STATIC int sctp_do_peeloff(struct sctp_association *asoc, struct sock *sk = asoc->base.sk; struct socket *sock; struct inet_sock *inetsk; + struct sctp_af *af; int err = 0; /* An association cannot be branched off from an already peeled-off @@ -3571,8 +3582,9 @@ SCTP_STATIC int sctp_do_peeloff(struct sctp_association *asoc, /* Make peeled-off sockets more like 1-1 accepted sockets. * Set the daddr and initialize id to something more random */ + af = sctp_get_af_specific(asoc->peer.primary_addr.sa.sa_family); + af->to_sk_daddr(&asoc->peer.primary_addr, sk); inetsk = inet_sk(sock->sk); - inetsk->daddr = asoc->peer.primary_addr.v4.sin_addr.s_addr; inetsk->id = asoc->next_tsn ^ jiffies; *sockp = sock; @@ -4343,11 +4355,12 @@ copy_getaddrs: err = -EFAULT; goto error; } - if (put_user(cnt, &((struct sctp_getaddrs __user *)optval)->addr_num)) - return -EFAULT; + if (put_user(cnt, &((struct sctp_getaddrs __user *)optval)->addr_num)) { + err = -EFAULT; + goto error; + } if (put_user(bytes_copied, optlen)) - return -EFAULT; - + err = -EFAULT; error: kfree(addrs); return err; diff --git a/net/sctp/transport.c b/net/sctp/transport.c index 961df275d5b..5f467c914f8 100644 --- a/net/sctp/transport.c +++ b/net/sctp/transport.c @@ -241,6 +241,45 @@ void sctp_transport_pmtu(struct sctp_transport *transport) transport->pathmtu = SCTP_DEFAULT_MAXSEGMENT; } +/* this is a complete rip-off from __sk_dst_check + * the cookie is always 0 since this is how it's used in the + * pmtu code + */ +static struct dst_entry *sctp_transport_dst_check(struct sctp_transport *t) +{ + struct dst_entry *dst = t->dst; + + if (dst && dst->obsolete && dst->ops->check(dst, 0) == NULL) { + dst_release(t->dst); + t->dst = NULL; + return NULL; + } + + return dst; +} + +void sctp_transport_update_pmtu(struct sctp_transport *t, u32 pmtu) +{ + struct dst_entry *dst; + + if (unlikely(pmtu < SCTP_DEFAULT_MINSEGMENT)) { + printk(KERN_WARNING "%s: Reported pmtu %d too low, " + "using default minimum of %d\n", + __FUNCTION__, pmtu, + SCTP_DEFAULT_MINSEGMENT); + /* Use default minimum segment size and disable + * pmtu discovery on this transport. + */ + t->pathmtu = SCTP_DEFAULT_MINSEGMENT; + } else { + t->pathmtu = pmtu; + } + + dst = sctp_transport_dst_check(t); + if (dst) + dst->ops->update_pmtu(dst, pmtu); +} + /* Caches the dst entry and source address for a transport's destination * address. */ diff --git a/net/wireless/sysfs.c b/net/wireless/sysfs.c index 3ebae144296..88aaacd9f82 100644 --- a/net/wireless/sysfs.c +++ b/net/wireless/sysfs.c @@ -33,7 +33,7 @@ static ssize_t _show_permaddr(struct device *dev, struct device_attribute *attr, char *buf) { - char *addr = dev_to_rdev(dev)->wiphy.perm_addr; + unsigned char *addr = dev_to_rdev(dev)->wiphy.perm_addr; return sprintf(buf, "%.2x:%.2x:%.2x:%.2x:%.2x:%.2x\n", addr[0], addr[1], addr[2], addr[3], addr[4], addr[5]); |