osmocom-net-gprs

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482 discussions

High level summary of the performance activity done by Radisys using NuRAN 1.0 platform

by Aravind Sirsikar

Hi All, Below is the high level summary of the performance activity carried on NuRAN 1.0 board with Commercial UE and Dongle under lab conditions. * Single MS test 1. UL Test a. Performance test for long duration (24 hours) for EGPRS Uplink (MCS9) with stable data rate of 45.2kbps 2. DL Test b. Performance test for long duration (24 hours) for EGPRS downlink(MCS9) with stable throughput of 223kbps with all slots configured for single UE c. Performance test for all EGPRS MCS(MCS1-MCS9) with stable expected throughput d. Stress test for short duration with more than theoretical max data rate (MCS9) without any breakage in the system. e. Stress test for short duration with signaling load (MCS8) without any breakage in the system. f. Speed test through speedtest.net downlink - 210kbps uplink - 40kbps * Multi MS test 3. DL Test a. Performance test for long duration (24 hours) for EGPRS downlink (4 UEs - MCS9) with a combined cell throughput of 223kbps. Following are the links to the issues raised in Redmine and related patch information which is merged in master 1. https://osmocom.org/issues/1811 a. https://git.osmocom.org/osmo-pcu/commit/?id=22a901905c9749b03fceccda4d550f3… b. https://git.osmocom.org/osmo-pcu/commit/?id=3463bd4adc1598462560ed84da837d0… 2. https://osmocom.org/issues/1808 a. https://git.osmocom.org/osmo-pcu/commit/?id=e26ee01d56b4c4c2da6abc6b649cb76… b. https://git.osmocom.org/osmo-pcu/commit/?id=8e70bb5bb4751e3a7f33b95b2994bff… c. https://git.osmocom.org/osmo-pcu/commit/?id=0ee31cfa381282d0d724fb36c48bae2… 3. https://osmocom.org/issues/1806 a. https://git.osmocom.org/osmo-pcu/commit/?id=a35c911a91ea7b6d8b017fd103c0d86… b. https://git.osmocom.org/osmo-pcu/commit/?id=7c7a86c080edd9c92778c941bbe484f… 4. https://osmocom.org/issues/1805 a. https://git.osmocom.org/osmo-pcu/commit/?id=9f5f008aedc910ff0ce18bf3f92b9b7… b. https://git.osmocom.org/osmo-pcu/commit/?id=024152683646f1b68c85de74f783b81… 5. https://osmocom.org/issues/1792 a. https://git.osmocom.org/osmo-pcu/commit/?id=e26ee01d56b4c4c2da6abc6b649cb76… Below issue in Redmine is still pending to be submitted to master. 1. https://osmocom.org/issues/1789 Relevant PCU configuration used is present at https://git.osmocom.org/radisys/osmo-pcu/commit/?h=radisys/egprs_integratio… Thanks, Aravind Sirsikar

8 years, 10 months

[PATCH 1/3] Fix possible buffer overflow for gsn_restart file path

by Neels Hofmeyr

For strncat, to obtain n, one must not subtract the length of what is appended, but the length of what is already written from the buffer size. Verified with this little test program: #include <stdio.h> #include <string.h> int main() { char buf[20]; strncpy(buf, "123", 10); strncat(buf, "456789012345", 10 - strlen(buf)); printf("%s\n", buf); return 0; } It prints "1234567890". --- gtp/gtp.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/gtp/gtp.c b/gtp/gtp.c index 12cb492..55a8ce4 100644 --- a/gtp/gtp.c +++ b/gtp/gtp.c @@ -650,7 +650,7 @@ static void log_restart(struct gsn_t *gsn) filename[NAMESIZE - 1] = 0; /* No null term. guarantee by strncpy */ strncpy(filename, gsn->statedir, NAMESIZE - 1); - strncat(filename, RESTART_FILE, NAMESIZE - 1 - sizeof(RESTART_FILE)); + strncat(filename, RESTART_FILE, NAMESIZE - 1 - strlen(filename)); i = umask(022); -- 2.1.4

8 years, 10 months

[PATCH] gtp: Added 'Bearer control mode' information element from Release 7

by BJovke .

--- gtp/gtpie.c | 3 +++ gtp/gtpie.h | 1 + 2 files changed, 4 insertions(+) diff --git a/gtp/gtpie.c b/gtp/gtpie.c index a45df1c..c8db449 100644 --- a/gtp/gtpie.c +++ b/gtp/gtpie.c @@ -243,6 +243,7 @@ int gtpie_decaps(union gtpie_member *ie[], int version, void *pack, case GTPIE_RP_SMS: case GTPIE_RP: case GTPIE_MS_NOT_REACH: + case GTPIE_BCM: if (j < GTPIE_SIZE) { ie[j] = (union gtpie_member *)p; if (GTPIE_DEBUG) @@ -457,6 +458,7 @@ int gtpie_encaps(union gtpie_member *ie[], void *pack, unsigned *len) case GTPIE_RP_SMS: case GTPIE_RP: case GTPIE_MS_NOT_REACH: + case GTPIE_BCM: iesize = 2; break; case GTPIE_FL_DI: /* TV GTPIE types with value length 2 */ @@ -558,6 +560,7 @@ int gtpie_encaps2(union gtpie_member ie[], unsigned int size, case GTPIE_RP_SMS: case GTPIE_RP: case GTPIE_MS_NOT_REACH: + case GTPIE_BCM: iesize = 2; break; case GTPIE_PFI: /* TV GTPIE types with value length 2 */ diff --git a/gtp/gtpie.h b/gtp/gtpie.h index 340a76c..fb8598e 100644 --- a/gtp/gtpie.h +++ b/gtp/gtpie.h @@ -106,6 +106,7 @@ static __inline uint64_t hton64(uint64_t q) #define GTPIE_USER_LOC 152 /* User Location Information */ #define GTPIE_MS_TZ 153 /* MS Time Zone */ #define GTPIE_IMEI_SV 154 /* IMEI Software Version */ +#define GTPIE_BCM 184 /* Bearer control mode */ /* 239-250 Reserved for the GPRS charging protocol (see GTP' in GSM 12.15) */ #define GTPIE_CHARGING_ADDR 251 /* Charging Gateway Address */ /* 252-254 Reserved for the GPRS charging protocol (see GTP' in GSM 12.15) */ -- 2.8.2.windows.1

8 years, 10 months

sgsnemu failing to create PDP context with Cisco GGSN

by BJovke .

Hello. sgsnemu cannot establish PDP context with latest Cisco GGSN. There is additional information element "Bearer control mode" sent by GGSN in create PDP context response message (attachment). This information element is not recognized by sgsnemu. Here are the changes in libgtp to support this information element: 9 gtp/gtpie.c @@ -243,7 +243,8 @@ int gtpie_decaps(union gtpie_member *ie[], int version, void *pack, case GTPIE_RP_SMS: case GTPIE_RP: case GTPIE_MS_NOT_REACH: - if (j < GTPIE_SIZE) { + case GTPIE_BCM: + if (j < GTPIE_SIZE) { ie[j] = (union gtpie_member *)p; if (GTPIE_DEBUG) printf @@ -457,7 +458,8 @@ int gtpie_encaps(union gtpie_member *ie[], void *pack, unsigned *len) case GTPIE_RP_SMS: case GTPIE_RP: case GTPIE_MS_NOT_REACH: - iesize = 2; + case GTPIE_BCM: + iesize = 2; break; case GTPIE_FL_DI: /* TV GTPIE types with value length 2 */ case GTPIE_FL_C: @@ -558,7 +560,8 @@ int gtpie_encaps2(union gtpie_member ie[], unsigned int size, case GTPIE_RP_SMS: case GTPIE_RP: case GTPIE_MS_NOT_REACH: - iesize = 2; + case GTPIE_BCM: + iesize = 2; break; case GTPIE_PFI: /* TV GTPIE types with value length 2 */ case GTPIE_CHARGING_C: 1 gtp/gtpie.h @@ -106,6 +106,7 @@ static __inline uint64_t hton64(uint64_t q) #define GTPIE_USER_LOC 152 /* User Location Information */ #define GTPIE_MS_TZ 153 /* MS Time Zone */ #define GTPIE_IMEI_SV 154 /* IMEI Software Version */ +#define GTPIE_BCM 184 /* Bearer control mode */ /* 239-250 Reserved for the GPRS charging protocol (see GTP' in GSM 12.15) */ #define GTPIE_CHARGING_ADDR 251 /* Charging Gateway Address */ /* 252-254 Reserved for the GPRS charging protocol (see GTP' in GSM 12.15) */ --

8 years, 10 months

[osmo-pcu] Unit test execution is reporting as failed

by Aravind Sirsikar

Hi All, Unit test execution of current master of osmo-pcu(9bbe1600cc02e1b538380393edb1dcdabe9247a2<https://git.osmocom.org/osmo-pcu/commit/?id=9bbe1600cc02e1b538380393edb1dcd…>) is getting failed with below description regression tests 1: rlcmac ok 2: ts_alloc ok 3: tbf FAILED (testsuite.at:23) 4: edge ok 5: types ok 6: ms ok 7: llc ok 8: llist ok 9: codel ok ## ------------- ## ## Test results. ## ## ------------- ## ERROR: All 9 tests were run, 1 failed unexpectedly. ## -------------------------- ## ## testsuite.log was created. ## ## -------------------------- ## Possible Reason being TbfTest.err is not updated Thanks, Aravind Sirsikar

8 years, 10 months

Regarding the status of gerrit Id 416

by Pravin Kumaravel Manoharan

Hi All, I have addressed all the comments raised. please let me know the status of https://gerrit.osmocom.org/#/c/416/22 Regards, Pravin Kumaravel M

8 years, 10 months

osmo-pcu build error in master

by Holger Freyther

Hi, it looks like after the rebase done by gerrit something didn't compile anymore. Could someone please have a look at https://gerrit.osmocom.org/#/c/429/ and fix the fall-out in master? thank you holger

8 years, 11 months

[PATCH][libgtpnl] I can't look tei by tools/gtp-tunnel.c in GTPv1

by junpei yoshino

Hello I can't look tei by gtp-tunnel in GTPv1. I write patch for libgtpnl. head version $./tools/gtp-tunnel add hoge v1 65535 65535 10.0.3.2 192.168.0.2 $./tools/gtp-tunnel list version 1 tei 0/0 ms_addr 10.0.3.2 sgsn_addr 192.168.0.2 fixed version $./tools/gtp-tunnel add hoge v1 65535 65535 10.0.3.2 192.168.0.2 $./tools/gtp-tunnel list version 1 tei 65535/65535 ms_addr 10.0.3.2 sgsn_addr 192.168.0.2 diff --git src/gtp-genl.c src/gtp-genl.c index 1e77e06..24a640d 100644 --- src/gtp-genl.c +++ src/gtp-genl.c @@ -119,7 +119,7 @@ static int genl_gtp_validate_cb(const struct nlattr *attr, void *data) const struct nlattr **tb = data; int type = mnl_attr_get_type(attr); - if (mnl_attr_type_valid(attr, CTRL_ATTR_MAX) < 0) + if (mnl_attr_type_valid(attr, GTPA_MAX) < 0) return MNL_CB_OK; switch(type) { -- junpei.yoshino(a)gmail.com

8 years, 11 months

Re: [EGPRS] Performance results for EGPRS test in Radisys lab

by Saurabh Sharan

Hello Max, > What about MCS UL? Do you have some statistics which one has been used The uplink tests have been completed for all EGPRS coding scheme (MCS1 - 9) using the ping or TCP download. We have not conducted specific test for throughput estimation in uplink direction till now. Regards Saurabh

8 years, 11 months

[PATCH 1/2] Remove unused function

by msuraev＠sysmocom.de

From: Max <msuraev(a)sysmocom.de> --- ggsn/ggsn.c | 1 - gtp/pdp.c | 11 ----------- gtp/pdp.h | 1 - 3 files changed, 13 deletions(-) diff --git a/ggsn/ggsn.c b/ggsn/ggsn.c index 7725016..6866901 100644 --- a/ggsn/ggsn.c +++ b/ggsn/ggsn.c @@ -154,7 +154,6 @@ int create_context_ind(struct pdp_t *pdp) pdp->eua.l = 0; /* TODO: Indicates dynamic IP */ - /* ulcpy(&pdp->qos_neg, &pdp->qos_req, sizeof(pdp->qos_req.v)); */ memcpy(pdp->qos_neg0, pdp->qos_req0, sizeof(pdp->qos_req0)); memcpy(&pdp->pco_neg, &pco, sizeof(pdp->pco_neg)); diff --git a/gtp/pdp.c b/gtp/pdp.c index f0d6adf..f297af9 100644 --- a/gtp/pdp.c +++ b/gtp/pdp.c @@ -370,14 +370,3 @@ void pdp_set_imsi_nsapi(struct pdp_t *pdp, uint64_t teid) pdp->imsi = teid & 0x0fffffffffffffffull; pdp->nsapi = (teid & 0xf000000000000000ull) >> 60; } - -int ulcpy(void *dst, void *src, size_t size) -{ - if (((struct ul255_t *)src)->l <= size) { - ((struct ul255_t *)dst)->l = ((struct ul255_t *)src)->l; - memcpy(((struct ul255_t *)dst)->v, ((struct ul255_t *)src)->v, - ((struct ul255_t *)dst)->l); - return 0; - } else - return EOF; -} diff --git a/gtp/pdp.h b/gtp/pdp.h index 57af8b3..217b1d6 100644 --- a/gtp/pdp.h +++ b/gtp/pdp.h @@ -252,6 +252,5 @@ int pdp_ipget(struct pdp_t **pdp, void* ipif, struct ul66_t *eua); int pdp_ntoeua(struct in_addr *src, struct ul66_t *eua); int pdp_euaton(struct ul66_t *eua, struct in_addr *dst); uint64_t pdp_gettid(uint64_t imsi, uint8_t nsapi); -int ulcpy(void *dst, void *src, size_t size); #endif /* !_PDP_H */ -- 2.9.2

8 years, 11 months

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