static void blog_skip_ppp_multicast(struct sk_buff *skb, const unsigned char *dest)
{
unsigned short usProtocol;
unsigned short usProtocol1;
__u32 *usMulticastIp;
if(!is_multicast_ether_addr(dest) )
{
usProtocol = ((u16 *) skb->data)[-1];
usProtocol1 = skb->data[PPPOE_UDPPROTOID_OFFSET];
usMulticastIp = (__u32*)(skb->data + PPPOE_UDPADDR_OFFSET);
if((usProtocol == __constant_htons(ETH_P_PPP_SES))
&& (usProtocol1 == IPPROTO_UDP))
{
if(MULTICAST((*usMulticastIp)))
{
blog_skip(skb);
}
}
}
}
static inline void dpi_result_update( struct sk_buff *skb,
struct sw_struct *param )
{
uint32_t behinst;
if (param->type & SW_APP)
{
/*
* application classification result.
*/
uint32_t ct_appid;
#if 0
behinst = appdb_get_behinst_id(param->u.s.app.cat_id,
param->u.s.app.app_id, param->u.s.app.beh_id);
#else
behinst = appdb_get_appinst_id(param->u.s.app.cat_id,
param->u.s.app.app_id);
#endif
ct_appid = conntrack_get_appid(skb);
if (ct_appid != behinst)
{
if (appdb_beh2appinst(behinst) != appdb_beh2appinst(ct_appid))
{
/* app id of this ctk entry is changed. Add a resync bit. */
dpi_print("appid: from 0x%08x to 0x%08x", ct_appid, behinst);
}
conntrack_set_appid(skb, behinst);
}
conntrack_set_dpi_status(skb, APPID_STATUS_IDENTIFIED);
if (param->flags & SW_FG_FINAL)
{
conntrack_set_dpi_status(skb, APPID_STATUS_FINAL);
}
#ifdef DPI_URL_RECORD
/* url record */
if (param->u.s.url.domain && param->u.s.url.domain_len > 0)
{
if (param->u.s.url.domain_len > URLINFO_MAX_HOST_LEN)
{
printk("URL<%s> is greater than %d\n",
param->u.s.url.domain, param->u.s.url.domain_len);
}
else
{
UrlInfoEntry_t url;
uint16_t url_idx;
url.hostlen = param->u.s.url.domain_len;
strncpy(url.host, param->u.s.url.domain,
param->u.s.url.domain_len);
url_idx = urlinfo_lookup(&url);
if (url_idx != URLINFO_IX_INVALID)
conntrack_set_urlid(skb, url_idx);
else
dpi_print("fail to alloc urlidx?");
}
}
#if 0 /* Now we only record host. We may record more in the future */
if (param->u.s.url.path && param->u.s.url.path_len > 0)
{
char url[1024]={0};
strncpy(url, param->u.s.url.path, param->u.s.url.path_len);
printk("!!path(%d): %s\n", param->u.s.url.path_len, url);
}
if (param->u.s.url.referer && param->u.s.url.referer_len > 0)
{
char url[1024]={0};
strncpy(url, param->u.s.url.referer, param->u.s.url.referer_len);
printk("##referer(%d): %s\n\n", param->u.s.url.referer_len, url);
}
#endif
#endif
#if 0
if ((param->flags & SW_FG_NOMORE) ||
conntrack_max_dpi_pkt((struct nf_conn *)skb->nfct, DPI_MAX_PKT))
#else
if (param->flags & SW_FG_NOMORE)
#endif
{
conntrack_set_dpi_status(skb, APPID_STATUS_NOMORE);
dpi_print(" Cat:%u(%s) App:%u(%s) Beh:%u(%s)\n"
" Final<%d> Nomore<%d> NOTIA<%d> APPID<%u> status<%08x>",
param->u.s.app.cat_id, param->u.s.app.cat_name,
param->u.s.app.app_id, param->u.s.app.app_name,
param->u.s.app.beh_id, param->u.s.app.beh_name,
(param->flags & SW_FG_FINAL),
(param->flags & SW_FG_NOMORE),
(param->flags & SW_FG_NOTIA),
((struct nf_conn *)skb->nfct)->dpi.app_id,
ntohl(((struct nf_conn *)skb->nfct)->dpi.flags));
}
else
{
#if defined(CONFIG_BCM_KF_BLOG)
blog_skip(skb);
#endif
}
}
else
{
if (!conntrack_get_dpi_status(skb, APPID_STATUS_IDENTIFIED))
{
/*
* Unknown app.
*/
dpi_print("unknown app");
conntrack_set_appid(skb, appdb_get_unknown_behinst_id());
}
#if 0
if ((param->flags & SW_FG_NOTIA) || (param->flags & SW_FG_NOMORE) ||
conntrack_max_dpi_pkt((struct nf_conn *)skb->nfct, DPI_MAX_PKT))
#else
if ((param->flags & SW_FG_NOTIA) || (param->flags & SW_FG_NOMORE))
#endif
{
conntrack_set_dpi_status(skb, APPID_STATUS_NOMORE);
dpi_print(" App NOMORE: APPID<%u> status<%08x>",
((struct nf_conn *)skb->nfct)->dpi.app_id,
ntohl(((struct nf_conn *)skb->nfct)->dpi.flags));
}
else
{
#if defined(CONFIG_BCM_KF_BLOG)
blog_skip(skb);
#endif
}
}
devid_fw_handle(skb, param);
}
