diff options
Diffstat (limited to 'openbsc/src')
| -rw-r--r-- | openbsc/src/gprs/gprs_gmm.c | 38 |
1 files changed, 35 insertions, 3 deletions
diff --git a/openbsc/src/gprs/gprs_gmm.c b/openbsc/src/gprs/gprs_gmm.c index 728377637..d7ba5b4f5 100644 --- a/openbsc/src/gprs/gprs_gmm.c +++ b/openbsc/src/gprs/gprs_gmm.c @@ -1650,9 +1650,8 @@ static int activate_ggsn(struct sgsn_mm_ctx *mmctx, return 0; } -/* Section 9.5.1: Activate PDP Context Request */ -static int gsm48_rx_gsm_act_pdp_req(struct sgsn_mm_ctx *mmctx, - struct msgb *msg) + +static int do_act_pdp_req(struct sgsn_mm_ctx *mmctx, struct msgb *msg) { struct gsm48_hdr *gh = (struct gsm48_hdr *) msgb_gmmh(msg); struct gsm48_act_pdp_ctx_req *act_req = (struct gsm48_act_pdp_ctx_req *) gh->data; @@ -1765,6 +1764,39 @@ static int gsm48_rx_gsm_act_pdp_req(struct sgsn_mm_ctx *mmctx, &tp); } +/* Section 9.5.1: Activate PDP Context Request */ +static int gsm48_rx_gsm_act_pdp_req(struct sgsn_mm_ctx *mmctx, + struct msgb *_msg) +{ + struct msgb *msg; + int rc; + + /* + * This is painful. We might not have a static GGSN + * configuration and then would need to copy the msg + * and re-do most of this routine (or call it again + * and make sure it only goes through the dynamic + * resolving. The question is what to optimize for + * and the dynamic resolution will be the right thing + * in the long run. + */ + msg = gprs_msgb_copy(_msg, __func__); + if (!msg) { + struct gsm48_hdr *gh = (struct gsm48_hdr *) msgb_gmmh(_msg); + uint8_t transaction_id = (gh->proto_discr >> 4); + + LOGMMCTXP(LOGL_ERROR, mmctx, "-> ACTIVATE PDP CONTEXT REQ failed copy.\n"); + /* Send reject with GSM_CAUSE_INV_MAND_INFO */ + return gsm48_tx_gsm_act_pdp_rej(mmctx, transaction_id, + GSM_CAUSE_NET_FAIL, + 0, NULL); + } + + rc = do_act_pdp_req(mmctx, _msg); + msgb_free(msg); + return rc; +} + /* Section 9.5.8: Deactivate PDP Context Request */ static int gsm48_rx_gsm_deact_pdp_req(struct sgsn_mm_ctx *mm, struct msgb *msg) { |