diff options
Diffstat (limited to 'net/ipv4/devinet.c')
| -rw-r--r-- | net/ipv4/devinet.c | 37 |
1 files changed, 21 insertions, 16 deletions
diff --git a/net/ipv4/devinet.c b/net/ipv4/devinet.c index 040c4f05b653..51ca946e3392 100644 --- a/net/ipv4/devinet.c +++ b/net/ipv4/devinet.c @@ -64,20 +64,20 @@ static struct ipv4_devconf ipv4_devconf = { .data = { - [NET_IPV4_CONF_ACCEPT_REDIRECTS - 1] = 1, - [NET_IPV4_CONF_SEND_REDIRECTS - 1] = 1, - [NET_IPV4_CONF_SECURE_REDIRECTS - 1] = 1, - [NET_IPV4_CONF_SHARED_MEDIA - 1] = 1, + [IPV4_DEVCONF_ACCEPT_REDIRECTS - 1] = 1, + [IPV4_DEVCONF_SEND_REDIRECTS - 1] = 1, + [IPV4_DEVCONF_SECURE_REDIRECTS - 1] = 1, + [IPV4_DEVCONF_SHARED_MEDIA - 1] = 1, }, }; static struct ipv4_devconf ipv4_devconf_dflt = { .data = { - [NET_IPV4_CONF_ACCEPT_REDIRECTS - 1] = 1, - [NET_IPV4_CONF_SEND_REDIRECTS - 1] = 1, - [NET_IPV4_CONF_SECURE_REDIRECTS - 1] = 1, - [NET_IPV4_CONF_SHARED_MEDIA - 1] = 1, - [NET_IPV4_CONF_ACCEPT_SOURCE_ROUTE - 1] = 1, + [IPV4_DEVCONF_ACCEPT_REDIRECTS - 1] = 1, + [IPV4_DEVCONF_SEND_REDIRECTS - 1] = 1, + [IPV4_DEVCONF_SECURE_REDIRECTS - 1] = 1, + [IPV4_DEVCONF_SHARED_MEDIA - 1] = 1, + [IPV4_DEVCONF_ACCEPT_SOURCE_ROUTE - 1] = 1, }, }; @@ -1317,14 +1317,19 @@ static int devinet_sysctl_forward(ctl_table *ctl, int write, { int *valp = ctl->data; int val = *valp; + loff_t pos = *ppos; int ret = proc_dointvec(ctl, write, buffer, lenp, ppos); if (write && *valp != val) { struct net *net = ctl->extra2; if (valp != &IPV4_DEVCONF_DFLT(net, FORWARDING)) { - if (!rtnl_trylock()) + if (!rtnl_trylock()) { + /* Restore the original values before restarting */ + *valp = val; + *ppos = pos; return restart_syscall(); + } if (valp == &IPV4_DEVCONF_ALL(net, FORWARDING)) { inet_forward_change(net); } else if (*valp) { @@ -1360,7 +1365,7 @@ int ipv4_doint_and_flush(ctl_table *ctl, int write, { \ .procname = name, \ .data = ipv4_devconf.data + \ - NET_IPV4_CONF_ ## attr - 1, \ + IPV4_DEVCONF_ ## attr - 1, \ .maxlen = sizeof(int), \ .mode = mval, \ .proc_handler = proc, \ @@ -1381,7 +1386,7 @@ int ipv4_doint_and_flush(ctl_table *ctl, int write, static struct devinet_sysctl_table { struct ctl_table_header *sysctl_header; - struct ctl_table devinet_vars[__NET_IPV4_CONF_MAX]; + struct ctl_table devinet_vars[__IPV4_DEVCONF_MAX]; char *dev_name; } devinet_sysctl = { .devinet_vars = { @@ -1408,6 +1413,7 @@ static struct devinet_sysctl_table { DEVINET_SYSCTL_RW_ENTRY(ARP_IGNORE, "arp_ignore"), DEVINET_SYSCTL_RW_ENTRY(ARP_ACCEPT, "arp_accept"), DEVINET_SYSCTL_RW_ENTRY(ARP_NOTIFY, "arp_notify"), + DEVINET_SYSCTL_RW_ENTRY(PROXY_ARP_PVLAN, "proxy_arp_pvlan"), DEVINET_SYSCTL_FLUSHING_ENTRY(NOXFRM, "disable_xfrm"), DEVINET_SYSCTL_FLUSHING_ENTRY(NOPOLICY, "disable_policy"), @@ -1486,8 +1492,7 @@ static void __devinet_sysctl_unregister(struct ipv4_devconf *cnf) static void devinet_sysctl_register(struct in_device *idev) { - neigh_sysctl_register(idev->dev, idev->arp_parms, NET_IPV4, - NET_IPV4_NEIGH, "ipv4", NULL); + neigh_sysctl_register(idev->dev, idev->arp_parms, "ipv4", NULL); __devinet_sysctl_register(dev_net(idev->dev), idev->dev->name, &idev->cnf); } @@ -1502,7 +1507,7 @@ static struct ctl_table ctl_forward_entry[] = { { .procname = "ip_forward", .data = &ipv4_devconf.data[ - NET_IPV4_CONF_FORWARDING - 1], + IPV4_DEVCONF_FORWARDING - 1], .maxlen = sizeof(int), .mode = 0644, .proc_handler = devinet_sysctl_forward, @@ -1546,7 +1551,7 @@ static __net_init int devinet_init_net(struct net *net) if (tbl == NULL) goto err_alloc_ctl; - tbl[0].data = &all->data[NET_IPV4_CONF_FORWARDING - 1]; + tbl[0].data = &all->data[IPV4_DEVCONF_FORWARDING - 1]; tbl[0].extra1 = all; tbl[0].extra2 = net; #endif |