diff options
Diffstat (limited to 'net/ipv4')
| -rw-r--r-- | net/ipv4/ip_input.c | 10 | ||||
| -rw-r--r-- | net/ipv4/proc.c | 58 | ||||
| -rw-r--r-- | net/ipv4/tcp_htcp.c | 14 |
3 files changed, 49 insertions, 33 deletions
diff --git a/net/ipv4/ip_input.c b/net/ipv4/ip_input.c index 861978a..cfb38ac 100644 --- a/net/ipv4/ip_input.c +++ b/net/ipv4/ip_input.c @@ -209,9 +209,17 @@ static int ip_local_deliver_finish(struct sk_buff *skb) hash = protocol & (MAX_INET_PROTOS - 1); ipprot = rcu_dereference(inet_protos[hash]); - if (ipprot != NULL && (net == &init_net || ipprot->netns_ok)) { + if (ipprot != NULL) { int ret; + if (!net_eq(net, &init_net) && !ipprot->netns_ok) { + if (net_ratelimit()) + printk("%s: proto %d isn't netns-ready\n", + __func__, protocol); + kfree_skb(skb); + goto out; + } + if (!ipprot->no_policy) { if (!xfrm4_policy_check(NULL, XFRM_POLICY_IN, skb)) { kfree_skb(skb); diff --git a/net/ipv4/proc.c b/net/ipv4/proc.c index 8f5a403..a631a1f 100644 --- a/net/ipv4/proc.c +++ b/net/ipv4/proc.c @@ -237,43 +237,45 @@ static const struct snmp_mib snmp4_net_list[] = { SNMP_MIB_SENTINEL }; +static void icmpmsg_put_line(struct seq_file *seq, unsigned long *vals, + unsigned short *type, int count) +{ + int j; + + if (count) { + seq_printf(seq, "\nIcmpMsg:"); + for (j = 0; j < count; ++j) + seq_printf(seq, " %sType%u", + type[j] & 0x100 ? "Out" : "In", + type[j] & 0xff); + seq_printf(seq, "\nIcmpMsg:"); + for (j = 0; j < count; ++j) + seq_printf(seq, " %lu", vals[j]); + } +} + static void icmpmsg_put(struct seq_file *seq) { #define PERLINE 16 - int j, i, count; - static int out[PERLINE]; + int i, count; + unsigned short type[PERLINE]; + unsigned long vals[PERLINE], val; struct net *net = seq->private; count = 0; for (i = 0; i < ICMPMSG_MIB_MAX; i++) { - - if (snmp_fold_field((void **) net->mib.icmpmsg_statistics, i)) - out[count++] = i; - if (count < PERLINE) - continue; - - seq_printf(seq, "\nIcmpMsg:"); - for (j = 0; j < PERLINE; ++j) - seq_printf(seq, " %sType%u", i & 0x100 ? "Out" : "In", - i & 0xff); - seq_printf(seq, "\nIcmpMsg: "); - for (j = 0; j < PERLINE; ++j) - seq_printf(seq, " %lu", - snmp_fold_field((void **) net->mib.icmpmsg_statistics, - out[j])); - seq_putc(seq, '\n'); - } - if (count) { - seq_printf(seq, "\nIcmpMsg:"); - for (j = 0; j < count; ++j) - seq_printf(seq, " %sType%u", out[j] & 0x100 ? "Out" : - "In", out[j] & 0xff); - seq_printf(seq, "\nIcmpMsg:"); - for (j = 0; j < count; ++j) - seq_printf(seq, " %lu", snmp_fold_field((void **) - net->mib.icmpmsg_statistics, out[j])); + val = snmp_fold_field((void **) net->mib.icmpmsg_statistics, i); + if (val) { + type[count] = i; + vals[count++] = val; + } + if (count == PERLINE) { + icmpmsg_put_line(seq, vals, type, count); + count = 0; + } } + icmpmsg_put_line(seq, vals, type, count); #undef PERLINE } diff --git a/net/ipv4/tcp_htcp.c b/net/ipv4/tcp_htcp.c index af99776..937549b 100644 --- a/net/ipv4/tcp_htcp.c +++ b/net/ipv4/tcp_htcp.c @@ -69,9 +69,12 @@ static u32 htcp_cwnd_undo(struct sock *sk) const struct tcp_sock *tp = tcp_sk(sk); struct htcp *ca = inet_csk_ca(sk); - ca->last_cong = ca->undo_last_cong; - ca->maxRTT = ca->undo_maxRTT; - ca->old_maxB = ca->undo_old_maxB; + if (ca->undo_last_cong) { + ca->last_cong = ca->undo_last_cong; + ca->maxRTT = ca->undo_maxRTT; + ca->old_maxB = ca->undo_old_maxB; + ca->undo_last_cong = 0; + } return max(tp->snd_cwnd, (tp->snd_ssthresh << 7) / ca->beta); } @@ -268,7 +271,10 @@ static void htcp_state(struct sock *sk, u8 new_state) case TCP_CA_Open: { struct htcp *ca = inet_csk_ca(sk); - ca->last_cong = jiffies; + if (ca->undo_last_cong) { + ca->last_cong = jiffies; + ca->undo_last_cong = 0; + } } break; case TCP_CA_CWR: |