| /********************************************************************* |
| * |
| * (C) Copyright IBM Corp. 2010 |
| * |
| * This program is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License as published by the |
| * Free Software Foundation; either version 2 of the License, or (at your |
| * option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, but |
| * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY |
| * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * for more details. |
| * |
| * You should have received a copy of the GNU General Public License along |
| * with this program; if not, see <http://www.gnu.org/licenses>. |
| * |
| * Author: Chris Ward <tjcw@uk.ibm.com> |
| * |
| * |
| * Description: Statistic collection for Blue Gene low-level driver for sockets over torus |
| * |
| * |
| ********************************************************************/ |
| #include <linux/version.h> |
| #include <linux/module.h> |
| |
| #include <linux/kernel.h> |
| #include <linux/fs.h> |
| #include <linux/errno.h> |
| #include <linux/types.h> |
| #include <linux/fcntl.h> |
| #include <linux/init.h> |
| #include <linux/poll.h> |
| #include <linux/sched.h> |
| #include <linux/wait.h> |
| #include <linux/interrupt.h> |
| #include <linux/ioport.h> |
| #include <linux/mm.h> |
| #include <linux/cdev.h> |
| #include <linux/proc_fs.h> |
| #include <linux/highmem.h> |
| #include <linux/mman.h> |
| #include <linux/syscalls.h> |
| #include <linux/skbuff.h> |
| #include <linux/etherdevice.h> |
| |
| #include <linux/cpu.h> |
| #include <linux/cpuset.h> |
| #include <linux/bootmem.h> |
| |
| #include <linux/alignment_histograms.h> |
| |
| #include <asm/pgtable.h> |
| #include <asm/system.h> |
| #include <asm/uaccess.h> |
| #include <asm/io.h> |
| #include <asm/page.h> |
| #include <asm/time.h> |
| #include <linux/vmalloc.h> |
| |
| #include <linux/dma-mapping.h> |
| |
| #include <net/inet_connection_sock.h> |
| #include <net/inet_sock.h> |
| #include <net/inet_hashtables.h> |
| #include <net/tcp.h> |
| |
| |
| static int bgp_statistics_init (void); |
| static void bgp_statistics_cleanup (void); |
| |
| module_init(bgp_statistics_init); |
| module_exit(bgp_statistics_cleanup); |
| |
| |
| MODULE_DESCRIPTION("BG/P statistics driver"); |
| MODULE_LICENSE("GPL"); |
| |
| #ifndef CTL_UNNUMBERED |
| #define CTL_UNNUMBERED -2 |
| #endif |
| |
| /* Parameters, statistics, and debugging */ |
| #if defined(CONFIG_DEBUG_ALIGNMENT_HISTOGRAM) |
| struct alignment_histogram al_histogram ; |
| #endif |
| |
| static struct ctl_path bgp_statistics_ctl_path[] = { |
| { .procname = "bgp", .ctl_name = 0, }, |
| { .procname = "statistics", .ctl_name = 0, }, |
| /* { .procname = "torus", .ctl_name = 0, }, */ |
| { }, |
| }; |
| |
| #define CTL_PARAM_EXT(Name,Var) \ |
| { \ |
| .ctl_name = CTL_UNNUMBERED, \ |
| .procname = Name , \ |
| .data = &(Var), \ |
| .maxlen = sizeof(int), \ |
| .mode = 0644, \ |
| .proc_handler = &proc_dointvec \ |
| } |
| |
| #define CTL_PARAM_EXT_LL(Name,Var) \ |
| { \ |
| .ctl_name = CTL_UNNUMBERED, \ |
| .procname = Name , \ |
| .data = &(Var), \ |
| .maxlen = 2*sizeof(int), \ |
| .mode = 0644, \ |
| .proc_handler = &proc_dointvec \ |
| } |
| |
| |
| struct ctl_table bgp_statistics_table[] = { |
| #if defined(CONFIG_DEBUG_ALIGNMENT_HISTOGRAM) |
| CTL_PARAM_EXT("ah_min",al_histogram.min_size_of_interest) , |
| CTL_PARAM_EXT("sah0",AL_HISTOGRAM(src_alignment_histogram_crc,0)) , |
| CTL_PARAM_EXT("sah1",AL_HISTOGRAM(src_alignment_histogram_crc,1)) , |
| CTL_PARAM_EXT("sah2",AL_HISTOGRAM(src_alignment_histogram_crc,2)) , |
| CTL_PARAM_EXT("sah3",AL_HISTOGRAM(src_alignment_histogram_crc,3)) , |
| CTL_PARAM_EXT("sah4",AL_HISTOGRAM(src_alignment_histogram_crc,4)) , |
| CTL_PARAM_EXT("sah5",AL_HISTOGRAM(src_alignment_histogram_crc,5)) , |
| CTL_PARAM_EXT("sah6",AL_HISTOGRAM(src_alignment_histogram_crc,6)) , |
| CTL_PARAM_EXT("sah7",AL_HISTOGRAM(src_alignment_histogram_crc,7)) , |
| CTL_PARAM_EXT("sah8",AL_HISTOGRAM(src_alignment_histogram_crc,8)) , |
| CTL_PARAM_EXT("sah9",AL_HISTOGRAM(src_alignment_histogram_crc,9)) , |
| CTL_PARAM_EXT("saha",AL_HISTOGRAM(src_alignment_histogram_crc,10)) , |
| CTL_PARAM_EXT("sahb",AL_HISTOGRAM(src_alignment_histogram_crc,11)) , |
| CTL_PARAM_EXT("sahc",AL_HISTOGRAM(src_alignment_histogram_crc,12)) , |
| CTL_PARAM_EXT("sahd",AL_HISTOGRAM(src_alignment_histogram_crc,13)) , |
| CTL_PARAM_EXT("sahe",AL_HISTOGRAM(src_alignment_histogram_crc,14)) , |
| CTL_PARAM_EXT("sahf",AL_HISTOGRAM(src_alignment_histogram_crc,15)) , |
| CTL_PARAM_EXT("dah0",AL_HISTOGRAM(dst_alignment_histogram_crc,0)) , |
| CTL_PARAM_EXT("dah1",AL_HISTOGRAM(dst_alignment_histogram_crc,1)) , |
| CTL_PARAM_EXT("dah2",AL_HISTOGRAM(dst_alignment_histogram_crc,2)) , |
| CTL_PARAM_EXT("dah3",AL_HISTOGRAM(dst_alignment_histogram_crc,3)) , |
| CTL_PARAM_EXT("dah4",AL_HISTOGRAM(dst_alignment_histogram_crc,4)) , |
| CTL_PARAM_EXT("dah5",AL_HISTOGRAM(dst_alignment_histogram_crc,5)) , |
| CTL_PARAM_EXT("dah6",AL_HISTOGRAM(dst_alignment_histogram_crc,6)) , |
| CTL_PARAM_EXT("dah7",AL_HISTOGRAM(dst_alignment_histogram_crc,7)) , |
| CTL_PARAM_EXT("dah8",AL_HISTOGRAM(dst_alignment_histogram_crc,8)) , |
| CTL_PARAM_EXT("dah9",AL_HISTOGRAM(dst_alignment_histogram_crc,9)) , |
| CTL_PARAM_EXT("daha",AL_HISTOGRAM(dst_alignment_histogram_crc,10)) , |
| CTL_PARAM_EXT("dahb",AL_HISTOGRAM(dst_alignment_histogram_crc,11)) , |
| CTL_PARAM_EXT("dahc",AL_HISTOGRAM(dst_alignment_histogram_crc,12)) , |
| CTL_PARAM_EXT("dahd",AL_HISTOGRAM(dst_alignment_histogram_crc,13)) , |
| CTL_PARAM_EXT("dahe",AL_HISTOGRAM(dst_alignment_histogram_crc,14)) , |
| CTL_PARAM_EXT("dahf",AL_HISTOGRAM(dst_alignment_histogram_crc,15)) , |
| CTL_PARAM_EXT("rah0",AL_HISTOGRAM(rel_alignment_histogram_crc,0)) , |
| CTL_PARAM_EXT("rah1",AL_HISTOGRAM(rel_alignment_histogram_crc,1)) , |
| CTL_PARAM_EXT("rah2",AL_HISTOGRAM(rel_alignment_histogram_crc,2)) , |
| CTL_PARAM_EXT("rah3",AL_HISTOGRAM(rel_alignment_histogram_crc,3)) , |
| CTL_PARAM_EXT("rah4",AL_HISTOGRAM(rel_alignment_histogram_crc,4)) , |
| CTL_PARAM_EXT("rah5",AL_HISTOGRAM(rel_alignment_histogram_crc,5)) , |
| CTL_PARAM_EXT("rah6",AL_HISTOGRAM(rel_alignment_histogram_crc,6)) , |
| CTL_PARAM_EXT("rah7",AL_HISTOGRAM(rel_alignment_histogram_crc,7)) , |
| CTL_PARAM_EXT("rah8",AL_HISTOGRAM(rel_alignment_histogram_crc,8)) , |
| CTL_PARAM_EXT("rah9",AL_HISTOGRAM(rel_alignment_histogram_crc,9)) , |
| CTL_PARAM_EXT("raha",AL_HISTOGRAM(rel_alignment_histogram_crc,10)) , |
| CTL_PARAM_EXT("rahb",AL_HISTOGRAM(rel_alignment_histogram_crc,11)) , |
| CTL_PARAM_EXT("rahc",AL_HISTOGRAM(rel_alignment_histogram_crc,12)) , |
| CTL_PARAM_EXT("rahd",AL_HISTOGRAM(rel_alignment_histogram_crc,13)) , |
| CTL_PARAM_EXT("rahe",AL_HISTOGRAM(rel_alignment_histogram_crc,14)) , |
| CTL_PARAM_EXT("rahf",AL_HISTOGRAM(rel_alignment_histogram_crc,15)) , |
| CTL_PARAM_EXT("scah0",AL_HISTOGRAM(src_alignment_histogram_copy,0)) , |
| CTL_PARAM_EXT("scah1",AL_HISTOGRAM(src_alignment_histogram_copy,1)) , |
| CTL_PARAM_EXT("scah2",AL_HISTOGRAM(src_alignment_histogram_copy,2)) , |
| CTL_PARAM_EXT("scah3",AL_HISTOGRAM(src_alignment_histogram_copy,3)) , |
| CTL_PARAM_EXT("scah4",AL_HISTOGRAM(src_alignment_histogram_copy,4)) , |
| CTL_PARAM_EXT("scah5",AL_HISTOGRAM(src_alignment_histogram_copy,5)) , |
| CTL_PARAM_EXT("scah6",AL_HISTOGRAM(src_alignment_histogram_copy,6)) , |
| CTL_PARAM_EXT("scah7",AL_HISTOGRAM(src_alignment_histogram_copy,7)) , |
| CTL_PARAM_EXT("scah8",AL_HISTOGRAM(src_alignment_histogram_copy,8)) , |
| CTL_PARAM_EXT("scah9",AL_HISTOGRAM(src_alignment_histogram_copy,9)) , |
| CTL_PARAM_EXT("scaha",AL_HISTOGRAM(src_alignment_histogram_copy,10)) , |
| CTL_PARAM_EXT("scahb",AL_HISTOGRAM(src_alignment_histogram_copy,11)) , |
| CTL_PARAM_EXT("scahc",AL_HISTOGRAM(src_alignment_histogram_copy,12)) , |
| CTL_PARAM_EXT("scahd",AL_HISTOGRAM(src_alignment_histogram_copy,13)) , |
| CTL_PARAM_EXT("scahe",AL_HISTOGRAM(src_alignment_histogram_copy,14)) , |
| CTL_PARAM_EXT("scahf",AL_HISTOGRAM(src_alignment_histogram_copy,15)) , |
| CTL_PARAM_EXT("dcah0",AL_HISTOGRAM(dst_alignment_histogram_copy,0)) , |
| CTL_PARAM_EXT("dcah1",AL_HISTOGRAM(dst_alignment_histogram_copy,1)) , |
| CTL_PARAM_EXT("dcah2",AL_HISTOGRAM(dst_alignment_histogram_copy,2)) , |
| CTL_PARAM_EXT("dcah3",AL_HISTOGRAM(dst_alignment_histogram_copy,3)) , |
| CTL_PARAM_EXT("dcah4",AL_HISTOGRAM(dst_alignment_histogram_copy,4)) , |
| CTL_PARAM_EXT("dcah5",AL_HISTOGRAM(dst_alignment_histogram_copy,5)) , |
| CTL_PARAM_EXT("dcah6",AL_HISTOGRAM(dst_alignment_histogram_copy,6)) , |
| CTL_PARAM_EXT("dcah7",AL_HISTOGRAM(dst_alignment_histogram_copy,7)) , |
| CTL_PARAM_EXT("dcah8",AL_HISTOGRAM(dst_alignment_histogram_copy,8)) , |
| CTL_PARAM_EXT("dcah9",AL_HISTOGRAM(dst_alignment_histogram_copy,9)) , |
| CTL_PARAM_EXT("dcaha",AL_HISTOGRAM(dst_alignment_histogram_copy,10)) , |
| CTL_PARAM_EXT("dcahb",AL_HISTOGRAM(dst_alignment_histogram_copy,11)) , |
| CTL_PARAM_EXT("dcahc",AL_HISTOGRAM(dst_alignment_histogram_copy,12)) , |
| CTL_PARAM_EXT("dcahd",AL_HISTOGRAM(dst_alignment_histogram_copy,13)) , |
| CTL_PARAM_EXT("dcahe",AL_HISTOGRAM(dst_alignment_histogram_copy,14)) , |
| CTL_PARAM_EXT("dcahf",AL_HISTOGRAM(dst_alignment_histogram_copy,15)) , |
| CTL_PARAM_EXT("rcah0",AL_HISTOGRAM(rel_alignment_histogram_copy,0)) , |
| CTL_PARAM_EXT("rcah1",AL_HISTOGRAM(rel_alignment_histogram_copy,1)) , |
| CTL_PARAM_EXT("rcah2",AL_HISTOGRAM(rel_alignment_histogram_copy,2)) , |
| CTL_PARAM_EXT("rcah3",AL_HISTOGRAM(rel_alignment_histogram_copy,3)) , |
| CTL_PARAM_EXT("rcah4",AL_HISTOGRAM(rel_alignment_histogram_copy,4)) , |
| CTL_PARAM_EXT("rcah5",AL_HISTOGRAM(rel_alignment_histogram_copy,5)) , |
| CTL_PARAM_EXT("rcah6",AL_HISTOGRAM(rel_alignment_histogram_copy,6)) , |
| CTL_PARAM_EXT("rcah7",AL_HISTOGRAM(rel_alignment_histogram_copy,7)) , |
| CTL_PARAM_EXT("rcah8",AL_HISTOGRAM(rel_alignment_histogram_copy,8)) , |
| CTL_PARAM_EXT("rcah9",AL_HISTOGRAM(rel_alignment_histogram_copy,9)) , |
| CTL_PARAM_EXT("rcaha",AL_HISTOGRAM(rel_alignment_histogram_copy,10)) , |
| CTL_PARAM_EXT("rcahb",AL_HISTOGRAM(rel_alignment_histogram_copy,11)) , |
| CTL_PARAM_EXT("rcahc",AL_HISTOGRAM(rel_alignment_histogram_copy,12)) , |
| CTL_PARAM_EXT("rcahd",AL_HISTOGRAM(rel_alignment_histogram_copy,13)) , |
| CTL_PARAM_EXT("rcahe",AL_HISTOGRAM(rel_alignment_histogram_copy,14)) , |
| CTL_PARAM_EXT("rcahf",AL_HISTOGRAM(rel_alignment_histogram_copy,15)) , |
| CTL_PARAM_EXT("tagh0",AL_HISTOGRAM(tagged,0)) , |
| CTL_PARAM_EXT("tagh1",AL_HISTOGRAM(tagged,1)) , |
| CTL_PARAM_EXT("tagh2",AL_HISTOGRAM(tagged,2)) , |
| CTL_PARAM_EXT("tagh3",AL_HISTOGRAM(tagged,3)) , |
| CTL_PARAM_EXT("tagh4",AL_HISTOGRAM(tagged,4)) , |
| CTL_PARAM_EXT("tagh5",AL_HISTOGRAM(tagged,5)) , |
| CTL_PARAM_EXT("tagh6",AL_HISTOGRAM(tagged,6)) , |
| CTL_PARAM_EXT("tagh7",AL_HISTOGRAM(tagged,7)) , |
| CTL_PARAM_EXT("tagh8",AL_HISTOGRAM(tagged,8)) , |
| CTL_PARAM_EXT("tagh9",AL_HISTOGRAM(tagged,9)) , |
| CTL_PARAM_EXT("tagha",AL_HISTOGRAM(tagged,10)) , |
| CTL_PARAM_EXT("taghb",AL_HISTOGRAM(tagged,11)) , |
| CTL_PARAM_EXT("taghc",AL_HISTOGRAM(tagged,12)) , |
| CTL_PARAM_EXT("taghd",AL_HISTOGRAM(tagged,13)) , |
| CTL_PARAM_EXT("taghe",AL_HISTOGRAM(tagged,14)) , |
| CTL_PARAM_EXT("taghf",AL_HISTOGRAM(tagged,15)) , |
| CTL_PARAM_EXT_LL("qcopy",al_histogram.qcopybytes) , |
| CTL_PARAM_EXT_LL("copy",al_histogram.copybytes) , |
| CTL_PARAM_EXT_LL("copyshort",al_histogram.copybytesshort) , |
| CTL_PARAM_EXT_LL("copymisalign",al_histogram.copybytesmisalign) , |
| CTL_PARAM_EXT_LL("copybroke",al_histogram.copybytesbroke) , |
| CTL_PARAM_EXT_LL("crcb",al_histogram.crcbytes) , |
| CTL_PARAM_EXT_LL("csumpartial",al_histogram.csumpartialbytes) , |
| #endif |
| { 0 }, |
| }; |
| |
| |
| |
| static void register_statistics_sysctl(void) |
| { |
| register_sysctl_paths(bgp_statistics_ctl_path,bgp_statistics_table) ; |
| } |
| static int bgp_statistics_init(void) |
| { |
| register_statistics_sysctl() ; |
| return 0 ; |
| } |
| |
| static void bgp_statistics_cleanup (void) |
| { |
| |
| } |
| |
