提交 a3c918ac 编写于 作者: S Simon Horman

IPVS: Add persistence engine data to /proc/net/ip_vs_conn

This shouldn't break compatibility with userspace as the new data
is at the end of the line.

I have confirmed that this doesn't break ipvsadm, the main (only?)
user-space user of this data.
Signed-off-by: NSimon Horman <horms@verge.net.au>
Acked-by: NJulian Anastasov <ja@ssi.bg>
上级 85999283
......@@ -572,6 +572,7 @@ struct ip_vs_pe {
struct ip_vs_conn *ct);
u32 (*hashkey_raw)(const struct ip_vs_conn_param *p, u32 initval,
bool inverse);
int (*show_pe_data)(const struct ip_vs_conn *cp, char *buf);
};
/*
......
......@@ -950,30 +950,45 @@ static int ip_vs_conn_seq_show(struct seq_file *seq, void *v)
if (v == SEQ_START_TOKEN)
seq_puts(seq,
"Pro FromIP FPrt ToIP TPrt DestIP DPrt State Expires\n");
"Pro FromIP FPrt ToIP TPrt DestIP DPrt State Expires PEName PEData\n");
else {
const struct ip_vs_conn *cp = v;
char pe_data[IP_VS_PENAME_MAXLEN + IP_VS_PEDATA_MAXLEN + 3];
size_t len = 0;
if (cp->dest && cp->dest->svc->pe &&
cp->dest->svc->pe->show_pe_data) {
pe_data[0] = ' ';
len = strlen(cp->dest->svc->pe->name);
memcpy(pe_data + 1, cp->dest->svc->pe->name, len);
pe_data[len + 1] = ' ';
len += 2;
len += cp->dest->svc->pe->show_pe_data(cp,
pe_data + len);
}
pe_data[len] = '\0';
#ifdef CONFIG_IP_VS_IPV6
if (cp->af == AF_INET6)
seq_printf(seq, "%-3s %pI6 %04X %pI6 %04X %pI6 %04X %-11s %7lu\n",
seq_printf(seq, "%-3s %pI6 %04X %pI6 %04X "
"%pI6 %04X %-11s %7lu%s\n",
ip_vs_proto_name(cp->protocol),
&cp->caddr.in6, ntohs(cp->cport),
&cp->vaddr.in6, ntohs(cp->vport),
&cp->daddr.in6, ntohs(cp->dport),
ip_vs_state_name(cp->protocol, cp->state),
(cp->timer.expires-jiffies)/HZ);
(cp->timer.expires-jiffies)/HZ, pe_data);
else
#endif
seq_printf(seq,
"%-3s %08X %04X %08X %04X"
" %08X %04X %-11s %7lu\n",
" %08X %04X %-11s %7lu%s\n",
ip_vs_proto_name(cp->protocol),
ntohl(cp->caddr.ip), ntohs(cp->cport),
ntohl(cp->vaddr.ip), ntohs(cp->vport),
ntohl(cp->daddr.ip), ntohs(cp->dport),
ip_vs_state_name(cp->protocol, cp->state),
(cp->timer.expires-jiffies)/HZ);
(cp->timer.expires-jiffies)/HZ, pe_data);
}
return 0;
}
......
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