Commit c8d660ee authored by gauthier's avatar gauthier

logs

git-svn-id: http://svn.eurecom.fr/openair4G/trunk@7299 818b1a75-f10b-46b9-bf7c-635c3b92a50f
parent 3ea9834d
...@@ -40,7 +40,7 @@ ...@@ -40,7 +40,7 @@
# error "Kernel version is not defined!!!! Exiting." # error "Kernel version is not defined!!!! Exiting."
#endif #endif
#define TRACE_IN_KERN_LOG 1 //#define TRACE_IN_KERN_LOG 1
#if defined(TRACE_IN_KERN_LOG) #if defined(TRACE_IN_KERN_LOG)
#define PR_INFO(fORMAT, aRGS...) pr_info(fORMAT, ##aRGS) #define PR_INFO(fORMAT, aRGS...) pr_info(fORMAT, ##aRGS)
......
...@@ -31,6 +31,14 @@ ...@@ -31,6 +31,14 @@
#if !(defined KVERSION) #if !(defined KVERSION)
#error "Kernel version is not defined!!!! Exiting." #error "Kernel version is not defined!!!! Exiting."
#endif #endif
//#define TRACE_IN_KERN_LOG 1
#if defined(TRACE_IN_KERN_LOG)
#define PR_INFO(fORMAT, aRGS...) pr_info(fORMAT, ##aRGS)
#else
#define PR_INFO(fORMAT, aRGS...)
#endif
//----------------------------------------------------------------------------- //-----------------------------------------------------------------------------
MODULE_LICENSE("GPL"); MODULE_LICENSE("GPL");
MODULE_AUTHOR("Pradip Biswas <pradip_biswas@polarisnetworks.net>"); MODULE_AUTHOR("Pradip Biswas <pradip_biswas@polarisnetworks.net>");
...@@ -294,13 +302,13 @@ _gtpurh_tg4_rem(struct sk_buff *orig_skb_pP, const struct xt_action_param *par_p ...@@ -294,13 +302,13 @@ _gtpurh_tg4_rem(struct sk_buff *orig_skb_pP, const struct xt_action_param *par_p
} }
skb_p->skb_iif = orig_skb_pP->skb_iif; skb_p->skb_iif = orig_skb_pP->skb_iif;
pr_info("GTPURH: skb protocol %04X\n", orig_skb_pP->protocol); PR_INFO("GTPURH: skb protocol %04X\n", orig_skb_pP->protocol);
skb_p->protocol = orig_skb_pP->protocol; skb_p->protocol = orig_skb_pP->protocol;
#else #else
skb_p = orig_skb_pP; skb_p = orig_skb_pP;
if (skb_linearize(skb_p) < 0) { if (skb_linearize(skb_p) < 0) {
pr_info("GTPURH: skb DROPPED (no linearize)\n"); PR_INFO("GTPURH: skb DROPPED (no linearize)\n");
return NF_DROP; return NF_DROP;
} }
...@@ -309,7 +317,7 @@ _gtpurh_tg4_rem(struct sk_buff *orig_skb_pP, const struct xt_action_param *par_p ...@@ -309,7 +317,7 @@ _gtpurh_tg4_rem(struct sk_buff *orig_skb_pP, const struct xt_action_param *par_p
//--------------------------- //---------------------------
// check if is GTPU TUNNEL // check if is GTPU TUNNEL
if (iph_p->protocol != IPPROTO_UDP) { if (iph_p->protocol != IPPROTO_UDP) {
pr_info("GTPURH: skb DROPPED Not GTPV1U packet (not UDP)\n"); PR_INFO("GTPURH: skb DROPPED Not GTPV1U packet (not UDP)\n");
return NF_ACCEPT; return NF_ACCEPT;
} }
...@@ -318,7 +326,7 @@ _gtpurh_tg4_rem(struct sk_buff *orig_skb_pP, const struct xt_action_param *par_p ...@@ -318,7 +326,7 @@ _gtpurh_tg4_rem(struct sk_buff *orig_skb_pP, const struct xt_action_param *par_p
// but should not happen since MTU should have been set bigger than 1500 + GTP encap. // but should not happen since MTU should have been set bigger than 1500 + GTP encap.
// TO DO later segment, but did not succeed in getting in this target all framents of an ip packet! // TO DO later segment, but did not succeed in getting in this target all framents of an ip packet!
if (_gtpurh_ip_is_fragment(iph_p)) { if (_gtpurh_ip_is_fragment(iph_p)) {
pr_info("GTPURH: ip_is_fragment YES, FLAGS %04X & %04X = %04X\n", PR_INFO("GTPURH: ip_is_fragment YES, FLAGS %04X & %04X = %04X\n",
iph_p->frag_off, iph_p->frag_off,
htons(IP_MF | IP_OFFSET), htons(IP_MF | IP_OFFSET),
iph_p->frag_off & htons(IP_MF | IP_OFFSET)); iph_p->frag_off & htons(IP_MF | IP_OFFSET));
...@@ -326,7 +334,7 @@ _gtpurh_tg4_rem(struct sk_buff *orig_skb_pP, const struct xt_action_param *par_p ...@@ -326,7 +334,7 @@ _gtpurh_tg4_rem(struct sk_buff *orig_skb_pP, const struct xt_action_param *par_p
} }
if (skb_p->len <= sizeof (struct udphdr) + sizeof (struct gtpuhdr) + sizeof (struct iphdr)) { if (skb_p->len <= sizeof (struct udphdr) + sizeof (struct gtpuhdr) + sizeof (struct iphdr)) {
pr_info("GTPURH: Thought was GTPV1U packet but too short length\n"); PR_INFO("GTPURH: Thought was GTPV1U packet but too short length\n");
return NF_ACCEPT; return NF_ACCEPT;
} }
...@@ -334,7 +342,7 @@ _gtpurh_tg4_rem(struct sk_buff *orig_skb_pP, const struct xt_action_param *par_p ...@@ -334,7 +342,7 @@ _gtpurh_tg4_rem(struct sk_buff *orig_skb_pP, const struct xt_action_param *par_p
udph_p = (struct udphdr*)skb_pull(skb_p, (iph_p->ihl << 2)); udph_p = (struct udphdr*)skb_pull(skb_p, (iph_p->ihl << 2));
if (udph_p->dest != htons(GTPURH_PORT)) { if (udph_p->dest != htons(GTPURH_PORT)) {
pr_info("GTPURH: Not GTPV1U packet (bad UDP dest port)\n"); PR_INFO("GTPURH: Not GTPV1U packet (bad UDP dest port)\n");
skb_push(skb_p, (iph_p->ihl << 2)); skb_push(skb_p, (iph_p->ihl << 2));
return NF_ACCEPT; return NF_ACCEPT;
} }
...@@ -349,7 +357,7 @@ _gtpurh_tg4_rem(struct sk_buff *orig_skb_pP, const struct xt_action_param *par_p ...@@ -349,7 +357,7 @@ _gtpurh_tg4_rem(struct sk_buff *orig_skb_pP, const struct xt_action_param *par_p
/* If additional fields are present in header, remove them also */ /* If additional fields are present in header, remove them also */
if (gtpuh_p->flags & GTPURH_ANY_EXT_HDR_BIT) { if (gtpuh_p->flags & GTPURH_ANY_EXT_HDR_BIT) {
pr_info("GTPURH: GTPURH_ANY_EXT_HDR_BIT found\n"); PR_INFO("GTPURH: GTPURH_ANY_EXT_HDR_BIT found\n");
skb_pull(skb_p, sizeof(short) + sizeof(char) + sizeof(char)); /* #Seq, #N-PDU, #ExtHdr Type */ skb_pull(skb_p, sizeof(short) + sizeof(char) + sizeof(char)); /* #Seq, #N-PDU, #ExtHdr Type */
gtp_payload_size = gtp_payload_size - sizeof(short) - sizeof(char) - sizeof(char); gtp_payload_size = gtp_payload_size - sizeof(short) - sizeof(char) - sizeof(char);
} }
...@@ -360,7 +368,7 @@ _gtpurh_tg4_rem(struct sk_buff *orig_skb_pP, const struct xt_action_param *par_p ...@@ -360,7 +368,7 @@ _gtpurh_tg4_rem(struct sk_buff *orig_skb_pP, const struct xt_action_param *par_p
if ((iph2_p->version != 4 ) && (iph2_p->version != 6)) { if ((iph2_p->version != 4 ) && (iph2_p->version != 6)) {
pr_info("\nGTPURH: Decapsulated packet dropped because not IPvx protocol see all GTPU packet here:\n"); PR_INFO("\nGTPURH: Decapsulated packet dropped because not IPvx protocol see all GTPU packet here:\n");
_gtpurh_print_hex_octets((unsigned char*)iph_p, ntohs(iph_p->tot_len)); _gtpurh_print_hex_octets((unsigned char*)iph_p, ntohs(iph_p->tot_len));
return NF_DROP; return NF_DROP;
} }
...@@ -417,20 +425,18 @@ _gtpurh_tg4_rem(struct sk_buff *orig_skb_pP, const struct xt_action_param *par_p ...@@ -417,20 +425,18 @@ _gtpurh_tg4_rem(struct sk_buff *orig_skb_pP, const struct xt_action_param *par_p
rt = ip_route_output_key(&init_net, &fl.u.ip4); rt = ip_route_output_key(&init_net, &fl.u.ip4);
if (rt == NULL) { if (rt == NULL) {
pr_info("GTPURH: Failed to route packet to dst 0x%x. Error: (%d)\n", fl.u.ip4.daddr, err); PR_INFO("GTPURH: Failed to route packet to dst 0x%x. Error: (%d)\n", fl.u.ip4.daddr, err);
return NF_DROP; return NF_DROP;
} }
#if 0
if (rt->dst.dev) { if (rt->dst.dev) {
pr_info("GTPURH: dst dev name %s\n", rt->dst.dev->name); PR_INFO("GTPURH: dst dev name %s\n", rt->dst.dev->name);
} else { } else {
pr_info("GTPURH: dst dev NULL\n"); pr_info("GTPURH: dst dev NULL\n");
return NF_DROP; return NF_DROP;
} }
#endif
skb_p->priority = rt_tos2priority(iph2_p->tos); skb_p->priority = rt_tos2priority(iph2_p->tos);
skb_p->pkt_type = PACKET_OTHERHOST; skb_p->pkt_type = PACKET_OTHERHOST;
skb_dst_drop(skb_p); skb_dst_drop(skb_p);
...@@ -471,7 +477,7 @@ _gtpurh_tg4_rem(struct sk_buff *orig_skb_pP, const struct xt_action_param *par_p ...@@ -471,7 +477,7 @@ _gtpurh_tg4_rem(struct sk_buff *orig_skb_pP, const struct xt_action_param *par_p
new_skb_p->ip_summed = CHECKSUM_NONE; new_skb_p->ip_summed = CHECKSUM_NONE;
if (new_skb_p->len > dst_mtu(skb_dst(new_skb_p))) { if (new_skb_p->len > dst_mtu(skb_dst(new_skb_p))) {
pr_info("GTPURH: bad length\n"); PR_INFO("GTPURH: bad length\n");
goto free_skb; goto free_skb;
} }
......
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