ANDROID: GKI: Export tracepoint tcp_retransmit_skb

Export tracepoint tcp_retransmit_skb to collect the retransmission rate
of specific tcp streams and adjust the network policy. Also, update the
symbol list accordingly.

2 function symbol(s) added
  'int __traceiter_tcp_retransmit_skb(void*, const struct sock*, const struct sk_buff*)'
  'void skb_orphan_partial(struct sk_buff*)'

1 variable symbol(s) added
  'struct tracepoint __tracepoint_tcp_retransmit_skb'

Bug: 344697033
Change-Id: Ic2f9a9b31c2cbdf2a59bf3ba13805dfba5036cf5
Signed-off-by: Lei Zhang <lei.zhang.rj@vivo.com>
Signed-off-by: Wenhao Liao <wenhao.liao@vivo.corp-partner.google.com>
Signed-off-by: Carlos Llamas <cmllamas@google.com>

android/abi_gki_aarch64.stg

@@ -334178,6 +334178,13 @@ function {
   parameter_id: 0x191de370
   parameter_id: 0x3e10b518
 }
+function {
+  id: 0x9b41a786
+  return_type_id: 0x6720d32f
+  parameter_id: 0x18bd6530
+  parameter_id: 0x3861403d
+  parameter_id: 0x3e6396e0
+}
 function {
   id: 0x9b41e906
   return_type_id: 0x6720d32f
@@ -357366,6 +357373,15 @@ elf_symbol {
   type_id: 0x9bd458e9
   full_name: "__traceiter_task_rename"
 }
+elf_symbol {
+  id: 0x59a320d1
+  name: "__traceiter_tcp_retransmit_skb"
+  is_defined: true
+  symbol_type: FUNCTION
+  crc: 0xaf09acb4
+  type_id: 0x9b41a786
+  full_name: "__traceiter_tcp_retransmit_skb"
+}
 elf_symbol {
   id: 0x961fbab2
   name: "__traceiter_workqueue_execute_end"
@@ -361884,6 +361900,15 @@ elf_symbol {
   type_id: 0x18ccbd2c
   full_name: "__tracepoint_task_rename"
 }
+elf_symbol {
+  id: 0x4c9e8f73
+  name: "__tracepoint_tcp_retransmit_skb"
+  is_defined: true
+  symbol_type: OBJECT
+  crc: 0x90671852
+  type_id: 0x18ccbd2c
+  full_name: "__tracepoint_tcp_retransmit_skb"
+}
 elf_symbol {
   id: 0x1a51f8cc
   name: "__tracepoint_workqueue_execute_end"
@@ -404708,6 +404733,15 @@ elf_symbol {
   type_id: 0x17dc60ac
   full_name: "skb_free_datagram"
 }
+elf_symbol {
+  id: 0xf49fd863
+  name: "skb_orphan_partial"
+  is_defined: true
+  symbol_type: FUNCTION
+  crc: 0xa7190bca
+  type_id: 0x11cb8bd5
+  full_name: "skb_orphan_partial"
+}
 elf_symbol {
   id: 0x778992cc
   name: "skb_page_frag_refill"
@@ -419498,6 +419532,7 @@ interface {
   symbol_id: 0x313b4348
   symbol_id: 0xcac5a7d5
   symbol_id: 0x2dc83a86
+  symbol_id: 0x59a320d1
   symbol_id: 0x961fbab2
   symbol_id: 0x09f12012
   symbol_id: 0xb3150ce0
@@ -420000,6 +420035,7 @@ interface {
   symbol_id: 0x9deae602
   symbol_id: 0xe91cdbb3
   symbol_id: 0x4f1ffabc
+  symbol_id: 0x4c9e8f73
   symbol_id: 0x1a51f8cc
   symbol_id: 0x20843be8
   symbol_id: 0xc9969dba
@@ -424749,6 +424785,7 @@ interface {
   symbol_id: 0xc8bed5da
   symbol_id: 0x33735fec
   symbol_id: 0xca7402ca
+  symbol_id: 0xf49fd863
   symbol_id: 0x778992cc
   symbol_id: 0x0e0dc50e
   symbol_id: 0x90d072a5

android/abi_gki_aarch64_vivo

@@ -24,6 +24,7 @@
   sched_setattr_nocheck
   schedule_timeout_killable
   set_blocksize
+  skb_orphan_partial
   static_key_enable
   submit_bh
   __kmalloc_node
@@ -120,6 +121,7 @@
   __traceiter_sched_waking
   __traceiter_sys_exit
   __traceiter_task_rename
+  __traceiter_tcp_retransmit_skb
   __traceiter_workqueue_execute_end
   __traceiter_workqueue_execute_start
   __tracepoint_android_rvh_alloc_and_link_pwqs
@@ -213,6 +215,7 @@
   __tracepoint_sched_waking
   __tracepoint_sys_exit
   __tracepoint_task_rename
+  __tracepoint_tcp_retransmit_skb
   __tracepoint_workqueue_execute_end
   __tracepoint_workqueue_execute_start
   ucsi_send_command

net/core/net-traces.c

@@ -69,3 +69,5 @@ EXPORT_TRACEPOINT_SYMBOL_GPL(net_dev_queue);
 EXPORT_TRACEPOINT_SYMBOL_GPL(net_dev_xmit);
 EXPORT_TRACEPOINT_SYMBOL_GPL(netif_receive_skb);
 EXPORT_TRACEPOINT_SYMBOL_GPL(netif_rx);
+
+EXPORT_TRACEPOINT_SYMBOL_GPL(tcp_retransmit_skb);