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start with network namespace support

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This is incomplete. There are several places left where a global
variable is used (e.g. there can only be one AC session).
This commit is contained in:
Andreas Schultz
2016-02-05 17:43:15 +01:00
parent 69ca3d3256
commit 385832a010
8 changed files with 224 additions and 103 deletions
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17
src/wtp/kmod/capwap_private.c
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@ -1,10 +1,14 @@
#include "config.h"
#include <linux/module.h>
#include <linux/kthread.h>
#include <linux/etherdevice.h>
#include <linux/ieee80211.h>
#include <net/net_namespace.h>
#include <net/mac80211.h>
#include <net/ipv6.h>
#include "capwap.h"
#include "nlsmartcapwap.h"
#include "netlinkapp.h"
@ -13,13 +17,15 @@
static struct sc_capwap_session sc_acsession;
/* */
int sc_capwap_init(void) {
int sc_capwap_init(struct net *net) {
TRACEKMOD("### sc_capwap_init\n");
/* Init session */
memset(&sc_acsession, 0, sizeof(struct sc_capwap_session));
sc_capwap_initsession(&sc_acsession);
sc_acsession.net = net;
/* Init sockect */
memset(&sc_localaddr, 0, sizeof(union capwap_addr));
return sc_socket_init();
@ -36,7 +42,8 @@ void sc_capwap_close(void) {
}
/* */
int sc_capwap_connect(const union capwap_addr* sockaddr, struct sc_capwap_sessionid_element* sessionid, uint16_t mtu) {
int sc_capwap_connect(struct net *net, const union capwap_addr* sockaddr,
struct sc_capwap_sessionid_element* sessionid, uint16_t mtu) {
TRACEKMOD("### sc_capwap_connect\n");
if ((sc_localaddr.ss.ss_family != AF_INET) && (sc_localaddr.ss.ss_family != AF_INET6)) {
@ -197,7 +204,7 @@ void sc_capwap_parsingdatapacket(struct sc_capwap_session* session, struct sk_bu
uint16_t bitmask = be16_to_cpu(destwlan->wlanidbitmap);
while (bitmask) {
if (bitmask & 0x01) {
dev = sc_netlink_getdev_from_wlanid(GET_RID_HEADER(header), wlanid);
dev = sc_netlink_getdev_from_wlanid(session->net, GET_RID_HEADER(header), wlanid);
if (dev) {
struct sk_buff* clone = skb_copy_expand(skb, skb_headroom(skb), skb_tailroom(skb), GFP_KERNEL);
if (!clone) {
@ -243,7 +250,7 @@ void sc_capwap_parsingdatapacket(struct sc_capwap_session* session, struct sk_bu
}
/* */
dev = sc_netlink_getdev_from_bssid(GET_RID_HEADER(header), ((struct ieee80211_hdr*)skb->data)->addr2);
dev = sc_netlink_getdev_from_bssid(session->net, GET_RID_HEADER(header), ((struct ieee80211_hdr*)skb->data)->addr2);
if (!dev) {
goto error;
}
@ -271,5 +278,5 @@ void sc_capwap_parsingmgmtpacket(struct sc_capwap_session* session, struct sk_bu
TRACEKMOD("### sc_capwap_parsingmgmtpacket\n");
/* Send packet with capwap header into userspace */
sc_netlink_notify_recv_data(skb->data, skb->len);
sc_netlink_notify_recv_data(session->net, skb->data, skb->len);
}