diff options
Diffstat (limited to 'src/host/trxcon/l1ctl.c')
| -rw-r--r-- | src/host/trxcon/l1ctl.c | 37 |
1 files changed, 36 insertions, 1 deletions
diff --git a/src/host/trxcon/l1ctl.c b/src/host/trxcon/l1ctl.c index 83cdc2e4..1b5985b2 100644 --- a/src/host/trxcon/l1ctl.c +++ b/src/host/trxcon/l1ctl.c @@ -3,7 +3,7 @@ * GSM L1 control interface handlers * * (C) 2014 by Sylvain Munaut <tnt@246tNt.com> - * (C) 2016-2017 by Vadim Yanitskiy <axilirator@gmail.com> + * (C) 2016-2018 by Vadim Yanitskiy <axilirator@gmail.com> * * All Rights Reserved * @@ -778,6 +778,39 @@ exit: return rc; } +/* Forward-declaration of the actual implementation */ +int trxcon_compose_phy_info(struct msgb *msg); + +static int l1ctl_rx_nego_req(struct l1ctl_link *l1l, struct msgb *msg) +{ + struct msgb *info_msg; + int rc; + + LOGP(DL1C, LOGL_NOTICE, "PHY info / features negotiation\n"); + + /** + * In the future the higher layers may also send some + * information within negotiation request, so we don't + * abuse this message (by changing its type), + * and allocate a new one. + */ + msgb_free(msg); + + info_msg = l1ctl_alloc_msg(L1CTL_PHY_NEGO_IND); + if (info_msg == NULL) + return -ENOMEM; + + rc = trxcon_compose_phy_info(info_msg); + if (rc) + goto exit_free; + + return l1ctl_link_send(l1l, info_msg); + +exit_free: + msgb_free(info_msg); + return rc; +} + int l1ctl_rx_cb(struct l1ctl_link *l1l, struct msgb *msg) { struct l1ctl_hdr *l1h; @@ -812,6 +845,8 @@ int l1ctl_rx_cb(struct l1ctl_link *l1l, struct msgb *msg) return l1ctl_rx_tch_mode_req(l1l, msg); case L1CTL_CRYPTO_REQ: return l1ctl_rx_crypto_req(l1l, msg); + case L1CTL_PHY_NEGO_REQ: + return l1ctl_rx_nego_req(l1l, msg); /* Not (yet) handled messages */ case L1CTL_NEIGH_PM_REQ: |