log reception of PCU_IF_MSG_PAG_REQ messages from osmo-pcu
osmo-pcu currently sends paging requests in PCU_IF_MSG_DATA_REQ messages, rather than PCU_IF_MSG_PAG_REQ. Clarify a comment which already alluded to this, and leave an explicit log entry if a PCU_IF_MSG_PAG_REQ message is received. Change-Id: I75fd8f051f943d876b5614fa088fff7e56b310ab Related: OS#3018
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@ -481,13 +481,7 @@ static int pcu_rx_data_req(struct gsm_bts *bts, uint8_t msg_type,
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switch (data_req->sapi) {
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case PCU_IF_SAPI_PCH:
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if (msg_type == PCU_IF_MSG_PAG_REQ) {
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/* FIXME: Add function to schedule paging request.
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* This might not be required, if PCU_IF_MSG_DATA_REQ
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* is used instead. */
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} else {
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paging_add_imm_ass(bts->paging_state, data_req->data, data_req->len);
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}
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paging_add_imm_ass(bts->paging_state, data_req->data, data_req->len);
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break;
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case PCU_IF_SAPI_AGCH:
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msg = msgb_alloc(data_req->len, "pcu_agch");
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@ -543,6 +537,24 @@ static int pcu_rx_data_req(struct gsm_bts *bts, uint8_t msg_type,
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return rc;
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}
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static int pcu_rx_pag_req(struct gsm_bts *bts, uint8_t msg_type,
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struct gsm_pcu_if_pag_req *pag_req)
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{
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int rc = 0;
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OSMO_ASSERT(msg_type == PCU_IF_MSG_PAG_REQ);
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/* FIXME: Add function to schedule paging request.
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* At present, osmo-pcu sends paging requests in PCU_IF_MSG_DATA_REQ
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* messages which are processed by pcu_rx_data_req().
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* This code path is not triggered in practice. */
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LOGP(DPCU, LOGL_NOTICE, "Paging request received: chan_needed=%d length=%d "
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"(dropping message because support for PCU_IF_MSG_PAG_REQ is not yet implemented)\n",
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pag_req->chan_needed, pag_req->identity_lv[0]);
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return rc;
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}
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int pcu_tx_si13(const struct gsm_bts *bts, bool enable)
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{
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/* the SI is per-BTS so it doesn't matter which TRX we use */
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@ -631,9 +643,11 @@ static int pcu_rx(struct gsm_network *net, uint8_t msg_type,
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switch (msg_type) {
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case PCU_IF_MSG_DATA_REQ:
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case PCU_IF_MSG_PAG_REQ:
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rc = pcu_rx_data_req(bts, msg_type, &pcu_prim->u.data_req);
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break;
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case PCU_IF_MSG_PAG_REQ:
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rc = pcu_rx_pag_req(bts, msg_type, &pcu_prim->u.pag_req);
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break;
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case PCU_IF_MSG_ACT_REQ:
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rc = pcu_rx_act_req(bts, &pcu_prim->u.act_req);
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break;
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