Update: formatting some files

src/upf_app/SessionManager.h

@@ -59,12 +59,12 @@ class SessionManager {
   virtual ~SessionManager();
 
   /*---------------------------------------------------------------------------------------------------------------*/
-//   /**
-//    * @brief Create a Session object in BPF map.
-//    *
-//    * @param pSession The session object to be created.
-//    */
-//   void createSession(std::shared_ptr<SessionBpf> pSession);
+  //   /**
+  //    * @brief Create a Session object in BPF map.
+  //    *
+  //    * @param pSession The session object to be created.
+  //    */
+  //   void createSession(std::shared_ptr<SessionBpf> pSession);
   /*---------------------------------------------------------------------------------------------------------------*/
 
   /**

src/upf_app/bpf/protocols/udp.h

@@ -7,7 +7,7 @@
 #include <linux/if_ether.h>
 
 //#define UDP_CSUM_OFFSET (sizeof(struct ethhdr) + offsetof(struct udphdr,
-//check))
+// check))
 
 // static u32 udp_handle(
 //     struct xdp_md* ctx, struct udphdr* udph, u32 src_ip, u32 dest_ip);

src/upf_app/bpf/rules/pdr/pfcp_session_lookup_xdp_kernel.c

@@ -422,7 +422,7 @@ int xdp_handle_downlink(struct xdp_md* ctx) {
     return XDP_DROP;
   }
 
- // struct iphdr* iph = (struct iphdr*) ((void*) ethh + sizeof(*ethh));
+  // struct iphdr* iph = (struct iphdr*) ((void*) ethh + sizeof(*ethh));
   struct iphdr* iph = (void*) (ethh + 1);
 
   if ((void*) (iph + 1) > data_end) {
@@ -430,7 +430,7 @@ int xdp_handle_downlink(struct xdp_md* ctx) {
     return XDP_DROP;
   }
 
-bpf_debug("xxxxxxxxxxxx ip_dest: 0x%x", iph->daddr);
+  bpf_debug("xxxxxxxxxxxx ip_dest: 0x%x", iph->daddr);
   u32 ip_dest = bpf_htonl(iph->daddr);
   struct session_id* session =
       bpf_map_lookup_elem(&m_session_mapping, &ip_dest);
@@ -472,9 +472,9 @@ int xdp_handle_shaping(struct xdp_md* ctx) {
     return XDP_DROP;
   }
 
-  //struct iphdr* iph = (struct iphdr*) ((void*) ethh + sizeof(*ethh));
+  // struct iphdr* iph = (struct iphdr*) ((void*) ethh + sizeof(*ethh));
   struct iphdr* iph = (void*) (ethh + 1);
- 
+
   if ((void*) (iph + 1) > data_end) {
     bpf_debug("Error: Invalid IPv4 Packet");
     return XDP_DROP;

src/upf_app/bpf/rules/qer/qer_tc_kernel.c

@@ -35,13 +35,12 @@
 #define TARGET_INTF 644
 
 //---------------------------------------------------------------------------------------------------------------
-static __always_inline u32 egress_sdf_filter(
-    struct __sk_buff* skb) {
-  void *data      = (void *)(long)skb->data;
+static __always_inline u32 egress_sdf_filter(struct __sk_buff* skb) {
+  void* data     = (void*) (long) skb->data;
   void* data_end = (void*) (long) skb->data_end;
-  
+
   struct ethhdr* ethh = data;
-  
+
   if ((void*) (ethh + 1) > data_end) {
     bpf_debug("Error: Invalid Ethernet header");
     return TC_ACT_SHOT;
@@ -81,13 +80,13 @@ static __always_inline u32 egress_sdf_filter(
   struct filter_key* key = {0};
 
   u8 protocol = iph_inner->protocol;
- 
-  //bpf_debug("Create Key for SDF Filter Map"); 
+
+  // bpf_debug("Create Key for SDF Filter Map");
 
   key->src_ip   = iph_inner->saddr;
   key->dst_ip   = iph_inner->daddr;
   key->protocol = protocol;
-   
+
   switch (protocol) {
     case IPPROTO_UDP: {
       // Extract UDP header
@@ -141,11 +140,10 @@ static __always_inline u32 egress_sdf_filter(
 }
 
 //---------------------------------------------------------------------------------------------------------------
-static __always_inline u32
-ipv4_sdf_filter(struct __sk_buff* skb) {
-  void *data      = (void *)(long)skb->data;
-  void *data_end  = (void *)(long)skb->data_end;
-  
+static __always_inline u32 ipv4_sdf_filter(struct __sk_buff* skb) {
+  void* data     = (void*) (long) skb->data;
+  void* data_end = (void*) (long) skb->data_end;
+
   struct ethhdr* ethh = data;
 
   if ((void*) (ethh + 1) > data_end) {
@@ -160,7 +158,7 @@ ipv4_sdf_filter(struct __sk_buff* skb) {
     return TC_ACT_SHOT;
   }
 
-  u8 protocol    = iph->protocol;
+  u8 protocol = iph->protocol;
 
   switch (protocol) {
     case IPPROTO_UDP: {
@@ -182,15 +180,14 @@ ipv4_sdf_filter(struct __sk_buff* skb) {
   }
 }
 
-
 //---------------------------------------------------------------------------------------------------------------
 
 SEC("tc/egress")
 int tc_filter_traffic(struct __sk_buff* skb) {
   bpf_debug("==========< tc/egress: Filter Traffic >==========\n");
 
-  void *data      = (void *)(long)skb->data;
-  void *data_end  = (void *)(long)skb->data_end;
+  void* data     = (void*) (long) skb->data;
+  void* data_end = (void*) (long) skb->data_end;
 
   struct ethhdr* ethh = data;
 
@@ -243,12 +240,12 @@ int tc_redirect_traffic(struct __sk_buff* skb) {
   int key = DOWNLINK, *ifindex;
 
   ifindex = bpf_map_lookup_elem(&m_egress_ifindex, &key);
-  
+
   if (ifindex) {
     bpf_debug("TC_REDIRECT: Redirecting packet to N3 tc layer");
     return bpf_redirect(*ifindex, 0);
   }
-  
+
   bpf_debug("TC Packets not redirected! Drop them");
   return TC_ACT_SHOT;
 }

src/upf_app/bpf/rules/qer/qos_flow.h

@@ -27,7 +27,6 @@
 //   uint64_t qfi;
 // };
 
-
 struct s_fiveQosFlow {
   uint8_t gate;
   uint64_t mbr;
@@ -35,6 +34,4 @@ struct s_fiveQosFlow {
   uint8_t qfi;
 };
 
-
-
 #endif  //__QOS_FLOW_H__
\ No newline at end of file