tcp: detect loss above high_seq in recovery

[cascardo/linux.git] / net / ipv4 / proc.c

diff --git a/net/ipv4/proc.c b/net/ipv4/proc.c
index 466ea8b..6afc807 100644 (file)
--- a/net/ipv4/proc.c
+++ b/net/ipv4/proc.c
@@ -56,17 +56,17 @@ static int sockstat_seq_show(struct seq_file *seq, void *v)
 
        local_bh_disable();
        orphans = percpu_counter_sum_positive(&tcp_orphan_count);
-       sockets = percpu_counter_sum_positive(&tcp_sockets_allocated);
+       sockets = proto_sockets_allocated_sum_positive(&tcp_prot);
        local_bh_enable();
 
        socket_seq_show(seq);
        seq_printf(seq, "TCP: inuse %d orphan %d tw %d alloc %d mem %ld\n",
                   sock_prot_inuse_get(net, &tcp_prot), orphans,
                   tcp_death_row.tw_count, sockets,
-                  atomic_long_read(&tcp_memory_allocated));
+                  proto_memory_allocated(&tcp_prot));
        seq_printf(seq, "UDP: inuse %d mem %ld\n",
                   sock_prot_inuse_get(net, &udp_prot),
-                  atomic_long_read(&udp_memory_allocated));
+                  proto_memory_allocated(&udp_prot));
        seq_printf(seq, "UDPLITE: inuse %d\n",
                   sock_prot_inuse_get(net, &udplite_prot));
        seq_printf(seq, "RAW: inuse %d\n",
@@ -216,7 +216,6 @@ static const struct snmp_mib snmp4_net_list[] = {
        SNMP_MIB_ITEM("TCPPartialUndo", LINUX_MIB_TCPPARTIALUNDO),
        SNMP_MIB_ITEM("TCPDSACKUndo", LINUX_MIB_TCPDSACKUNDO),
        SNMP_MIB_ITEM("TCPLossUndo", LINUX_MIB_TCPLOSSUNDO),
-       SNMP_MIB_ITEM("TCPLoss", LINUX_MIB_TCPLOSS),
        SNMP_MIB_ITEM("TCPLostRetransmit", LINUX_MIB_TCPLOSTRETRANSMIT),
        SNMP_MIB_ITEM("TCPRenoFailures", LINUX_MIB_TCPRENOFAILURES),
        SNMP_MIB_ITEM("TCPSackFailures", LINUX_MIB_TCPSACKFAILURES),
@@ -288,7 +287,7 @@ static void icmpmsg_put(struct seq_file *seq)
 
        count = 0;
        for (i = 0; i < ICMPMSG_MIB_MAX; i++) {
-               val = snmp_fold_field((void __percpu **) net->mib.icmpmsg_statistics, i);
+               val = atomic_long_read(&net->mib.icmpmsg_statistics->mibs[i]);
                if (val) {
                        type[count] = i;
                        vals[count++] = val;
@@ -307,6 +306,7 @@ static void icmp_put(struct seq_file *seq)
 {
        int i;
        struct net *net = seq->private;
+       atomic_long_t *ptr = net->mib.icmpmsg_statistics->mibs;
 
        seq_puts(seq, "\nIcmp: InMsgs InErrors");
        for (i=0; icmpmibmap[i].name != NULL; i++)
@@ -319,15 +319,13 @@ static void icmp_put(struct seq_file *seq)
                snmp_fold_field((void __percpu **) net->mib.icmp_statistics, ICMP_MIB_INERRORS));
        for (i=0; icmpmibmap[i].name != NULL; i++)
                seq_printf(seq, " %lu",
-                       snmp_fold_field((void __percpu **) net->mib.icmpmsg_statistics,
-                               icmpmibmap[i].index));
+                          atomic_long_read(ptr + icmpmibmap[i].index));
        seq_printf(seq, " %lu %lu",
                snmp_fold_field((void __percpu **) net->mib.icmp_statistics, ICMP_MIB_OUTMSGS),
                snmp_fold_field((void __percpu **) net->mib.icmp_statistics, ICMP_MIB_OUTERRORS));
        for (i=0; icmpmibmap[i].name != NULL; i++)
                seq_printf(seq, " %lu",
-                       snmp_fold_field((void __percpu **) net->mib.icmpmsg_statistics,
-                               icmpmibmap[i].index | 0x100));
+                          atomic_long_read(ptr + (icmpmibmap[i].index | 0x100)));
 }
 
 /*