diff options
| -rw-r--r-- | include/osmo-bts/gsm_data.h | 5 | ||||
| -rw-r--r-- | src/common/l1sap.c | 1 | ||||
| -rw-r--r-- | src/osmo-bts-sysmo/l1_if.c | 5 | ||||
| -rw-r--r-- | src/osmo-bts-sysmo/oml.c | 19 |
4 files changed, 22 insertions, 8 deletions
diff --git a/include/osmo-bts/gsm_data.h b/include/osmo-bts/gsm_data.h index f2f7ee74..b5dc25fa 100644 --- a/include/osmo-bts/gsm_data.h +++ b/include/osmo-bts/gsm_data.h @@ -97,8 +97,9 @@ enum lchan_ciph_state { LCHAN_CIPH_NONE, LCHAN_CIPH_RX_REQ, LCHAN_CIPH_RX_CONF, - LCHAN_CIPH_TXRX_REQ, - LCHAN_CIPH_TXRX_CONF, + LCHAN_CIPH_RXTX_REQ, + LCHAN_CIPH_RX_CONF_TX_REQ, + LCHAN_CIPH_RXTX_CONF, }; #define bts_role_bts(x) ((struct gsm_bts_role_bts *)(x)->role) diff --git a/src/common/l1sap.c b/src/common/l1sap.c index b9d5a2d0..d2534362 100644 --- a/src/common/l1sap.c +++ b/src/common/l1sap.c @@ -96,7 +96,6 @@ static int check_for_ciph_cmd(struct msgb *msg, struct gsm_lchan *lchan, /* only do this if we are in the right state */ switch (lchan->ciph_state) { case LCHAN_CIPH_NONE: - case LCHAN_CIPH_RX_REQ: break; default: return 0; diff --git a/src/osmo-bts-sysmo/l1_if.c b/src/osmo-bts-sysmo/l1_if.c index 810ec6d4..83fe5049 100644 --- a/src/osmo-bts-sysmo/l1_if.c +++ b/src/osmo-bts-sysmo/l1_if.c @@ -616,8 +616,11 @@ static int mph_info_req(struct gsm_bts_trx *trx, struct msgb *msg, } if (l1sap->u.info.u.ciph_req.downlink) { l1if_set_ciphering(fl1, lchan, 1); - lchan->ciph_state = LCHAN_CIPH_TXRX_REQ; + lchan->ciph_state = LCHAN_CIPH_RX_CONF_TX_REQ; } + if (l1sap->u.info.u.ciph_req.downlink + && l1sap->u.info.u.ciph_req.uplink) + lchan->ciph_state = LCHAN_CIPH_RXTX_REQ; break; case PRIM_INFO_ACTIVATE: case PRIM_INFO_DEACTIVATE: diff --git a/src/osmo-bts-sysmo/oml.c b/src/osmo-bts-sysmo/oml.c index 8c701642..c5810898 100644 --- a/src/osmo-bts-sysmo/oml.c +++ b/src/osmo-bts-sysmo/oml.c @@ -1004,8 +1004,12 @@ static int sapi_activate_cb(struct gsm_lchan *lchan, int status) mph_info_chan_confirm(lchan, PRIM_INFO_ACTIVATE, 0); /* set the initial ciphering parameters for both directions */ - l1if_set_ciphering(fl1h, lchan, 0); l1if_set_ciphering(fl1h, lchan, 1); + l1if_set_ciphering(fl1h, lchan, 0); + if (lchan->encr.alg_id) + lchan->ciph_state = LCHAN_CIPH_RXTX_REQ; + else + lchan->ciph_state = LCHAN_CIPH_NONE; return 0; } @@ -1154,9 +1158,16 @@ static int chmod_modif_compl_cb(struct gsm_bts_trx *trx, struct msgb *l1_msg, LOGPC(DL1C, LOGL_INFO, "RX_REQ -> RX_CONF\n"); lchan->ciph_state = LCHAN_CIPH_RX_CONF; break; - case LCHAN_CIPH_TXRX_REQ: - LOGPC(DL1C, LOGL_INFO, "TX_REQ -> TX_CONF\n"); - lchan->ciph_state = LCHAN_CIPH_TXRX_CONF; + case LCHAN_CIPH_RX_CONF_TX_REQ: + LOGPC(DL1C, LOGL_INFO, "RX_CONF_TX_REQ -> RXTX_CONF\n"); + lchan->ciph_state = LCHAN_CIPH_RXTX_CONF; + break; + case LCHAN_CIPH_RXTX_REQ: + LOGPC(DL1C, LOGL_INFO, "RXTX_REQ -> RX_CONF_TX_REQ\n"); + lchan->ciph_state = LCHAN_CIPH_RX_CONF_TX_REQ; + break; + case LCHAN_CIPH_NONE: + LOGPC(DL1C, LOGL_INFO, "\n"); break; default: LOGPC(DL1C, LOGL_INFO, "unhandled state %u\n", lchan->ciph_state); |