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: Simon Horman <horms@xxxxxxxxxxxx> --- include/net/ip_vs.h | 1 + net/netfilter/ipvs/ip_vs_conn.c | 24 +++++++++++++++++++----- 2 files changed, 20 insertions(+), 5 deletions(-) diff --git a/include/net/ip_vs.h b/include/net/ip_vs.h index d072068..cf1f633 100644 --- a/include/net/ip_vs.h +++ b/include/net/ip_vs.h @@ -569,6 +569,7 @@ struct ip_vs_pe { bool (*ct_match)(const struct ip_vs_conn_param *p, struct ip_vs_conn *ct); u32 (*hashkey_raw)(const struct ip_vs_conn_param *p, u32 initval); + int (*show_pe_data)(const struct ip_vs_conn *cp, char *buf); }; /* diff --git a/net/netfilter/ipvs/ip_vs_conn.c b/net/netfilter/ipvs/ip_vs_conn.c index 59e6903..db5e0fd 100644 --- a/net/netfilter/ipvs/ip_vs_conn.c +++ b/net/netfilter/ipvs/ip_vs_conn.c @@ -921,30 +921,44 @@ 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->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; } -- 1.7.1 -- To unsubscribe from this list: send the line "unsubscribe netfilter" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html