scheduler: always call Uplink burst handler on NOPE.ind
When a NOPE indication is received from the TRX normally a separate handler (.nope_fn) is called. It turned out that calling the Uplink handler (.ul_fn) on NOPE indications is the usual case, so let's remove the .nope_fn member and call the Uplink handler directly. Since a NOPE.ind comes without burst bits, the Uplink handlers must check bi->burst_len to avoid uninitialized memory access. For some logical channels (in particular RACH, PDTCH/U, and PTCCH/U) it does not make sense to call the Uplink handler, so we ignore them. Change-Id: Ice45d5986610d9bcef2a7e41f0a395ec779e3928 Related: OS#4461
This commit is contained in:
parent
085872fe85
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7f1800832f
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@ -31,8 +31,6 @@ struct trx_chan_desc {
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trx_sched_dl_func *dl_fn;
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/*! \brief function to call when burst received from PHY */
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trx_sched_ul_func *ul_fn;
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/*! \brief function to call when NOPE.ind received from PHY */
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trx_sched_ul_func *nope_fn;
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/*! \brief channel flags, see TRX_CHAN_FLAG_* */
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uint8_t flags;
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};
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@ -191,7 +191,6 @@ const struct trx_chan_desc trx_chan_desc[_TRX_CHAN_MAX] = {
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.rts_fn = rts_tchf_fn,
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.dl_fn = tx_tchf_fn,
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.ul_fn = rx_tchf_fn,
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.nope_fn = rx_tchf_fn,
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},
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[TRXC_TCHH_0] = {
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.name = "TCH/H(0)", /* 3GPP TS 05.02, section 3.2 */
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@ -212,7 +211,6 @@ const struct trx_chan_desc trx_chan_desc[_TRX_CHAN_MAX] = {
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.rts_fn = rts_tchh_fn,
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.dl_fn = tx_tchh_fn,
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.ul_fn = rx_tchh_fn,
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.nope_fn = rx_tchh_fn,
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},
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[TRXC_TCHH_1] = {
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.name = "TCH/H(1)", /* 3GPP TS 05.02, section 3.2 */
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@ -224,7 +222,6 @@ const struct trx_chan_desc trx_chan_desc[_TRX_CHAN_MAX] = {
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.rts_fn = rts_tchh_fn,
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.dl_fn = tx_tchh_fn,
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.ul_fn = rx_tchh_fn,
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.nope_fn = rx_tchh_fn,
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},
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[TRXC_SDCCH4_0] = {
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.name = "SDCCH/4(0)", /* 3GPP TS 05.02, section 3.3.4.1 */
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@ -236,7 +233,6 @@ const struct trx_chan_desc trx_chan_desc[_TRX_CHAN_MAX] = {
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.rts_fn = rts_data_fn,
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.dl_fn = tx_data_fn,
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.ul_fn = rx_data_fn,
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.nope_fn = rx_data_fn,
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},
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[TRXC_SDCCH4_1] = {
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.name = "SDCCH/4(1)", /* 3GPP TS 05.02, section 3.3.4.1 */
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@ -248,7 +244,6 @@ const struct trx_chan_desc trx_chan_desc[_TRX_CHAN_MAX] = {
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.rts_fn = rts_data_fn,
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.dl_fn = tx_data_fn,
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.ul_fn = rx_data_fn,
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.nope_fn = rx_data_fn,
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},
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[TRXC_SDCCH4_2] = {
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.name = "SDCCH/4(2)", /* 3GPP TS 05.02, section 3.3.4.1 */
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@ -260,7 +255,6 @@ const struct trx_chan_desc trx_chan_desc[_TRX_CHAN_MAX] = {
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.rts_fn = rts_data_fn,
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.dl_fn = tx_data_fn,
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.ul_fn = rx_data_fn,
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.nope_fn = rx_data_fn,
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},
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[TRXC_SDCCH4_3] = {
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.name = "SDCCH/4(3)", /* 3GPP TS 05.02, section 3.3.4.1 */
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@ -272,7 +266,6 @@ const struct trx_chan_desc trx_chan_desc[_TRX_CHAN_MAX] = {
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.rts_fn = rts_data_fn,
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.dl_fn = tx_data_fn,
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.ul_fn = rx_data_fn,
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.nope_fn = rx_data_fn,
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},
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[TRXC_SDCCH8_0] = {
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.name = "SDCCH/8(0)", /* 3GPP TS 05.02, section 3.3.4.1 */
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@ -284,7 +277,6 @@ const struct trx_chan_desc trx_chan_desc[_TRX_CHAN_MAX] = {
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.rts_fn = rts_data_fn,
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.dl_fn = tx_data_fn,
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.ul_fn = rx_data_fn,
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.nope_fn = rx_data_fn,
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},
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[TRXC_SDCCH8_1] = {
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.name = "SDCCH/8(1)", /* 3GPP TS 05.02, section 3.3.4.1 */
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@ -296,7 +288,6 @@ const struct trx_chan_desc trx_chan_desc[_TRX_CHAN_MAX] = {
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.rts_fn = rts_data_fn,
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.dl_fn = tx_data_fn,
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.ul_fn = rx_data_fn,
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.nope_fn = rx_data_fn,
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},
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[TRXC_SDCCH8_2] = {
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.name = "SDCCH/8(2)", /* 3GPP TS 05.02, section 3.3.4.1 */
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@ -308,7 +299,6 @@ const struct trx_chan_desc trx_chan_desc[_TRX_CHAN_MAX] = {
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.rts_fn = rts_data_fn,
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.dl_fn = tx_data_fn,
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.ul_fn = rx_data_fn,
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.nope_fn = rx_data_fn,
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},
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[TRXC_SDCCH8_3] = {
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.name = "SDCCH/8(3)", /* 3GPP TS 05.02, section 3.3.4.1 */
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@ -320,7 +310,6 @@ const struct trx_chan_desc trx_chan_desc[_TRX_CHAN_MAX] = {
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.rts_fn = rts_data_fn,
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.dl_fn = tx_data_fn,
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.ul_fn = rx_data_fn,
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.nope_fn = rx_data_fn,
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},
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[TRXC_SDCCH8_4] = {
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.name = "SDCCH/8(4)", /* 3GPP TS 05.02, section 3.3.4.1 */
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@ -332,7 +321,6 @@ const struct trx_chan_desc trx_chan_desc[_TRX_CHAN_MAX] = {
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.rts_fn = rts_data_fn,
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.dl_fn = tx_data_fn,
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.ul_fn = rx_data_fn,
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.nope_fn = rx_data_fn,
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},
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[TRXC_SDCCH8_5] = {
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.name = "SDCCH/8(5)", /* 3GPP TS 05.02, section 3.3.4.1 */
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@ -344,7 +332,6 @@ const struct trx_chan_desc trx_chan_desc[_TRX_CHAN_MAX] = {
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.rts_fn = rts_data_fn,
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.dl_fn = tx_data_fn,
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.ul_fn = rx_data_fn,
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.nope_fn = rx_data_fn,
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},
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[TRXC_SDCCH8_6] = {
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.name = "SDCCH/8(6)", /* 3GPP TS 05.02, section 3.3.4.1 */
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@ -356,7 +343,6 @@ const struct trx_chan_desc trx_chan_desc[_TRX_CHAN_MAX] = {
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.rts_fn = rts_data_fn,
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.dl_fn = tx_data_fn,
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.ul_fn = rx_data_fn,
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.nope_fn = rx_data_fn,
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},
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[TRXC_SDCCH8_7] = {
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.name = "SDCCH/8(7)", /* 3GPP TS 05.02, section 3.3.4.1 */
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@ -368,7 +354,6 @@ const struct trx_chan_desc trx_chan_desc[_TRX_CHAN_MAX] = {
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.rts_fn = rts_data_fn,
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.dl_fn = tx_data_fn,
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.ul_fn = rx_data_fn,
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.nope_fn = rx_data_fn,
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},
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[TRXC_SACCHTF] = {
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.name = "SACCH/TF", /* 3GPP TS 05.02, section 3.3.4.1 */
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@ -380,7 +365,6 @@ const struct trx_chan_desc trx_chan_desc[_TRX_CHAN_MAX] = {
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.rts_fn = rts_data_fn,
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.dl_fn = tx_data_fn,
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.ul_fn = rx_data_fn,
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.nope_fn = rx_data_fn,
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},
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[TRXC_SACCHTH_0] = {
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.name = "SACCH/TH(0)", /* 3GPP TS 05.02, section 3.3.4.1 */
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@ -392,7 +376,6 @@ const struct trx_chan_desc trx_chan_desc[_TRX_CHAN_MAX] = {
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.rts_fn = rts_data_fn,
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.dl_fn = tx_data_fn,
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.ul_fn = rx_data_fn,
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.nope_fn = rx_data_fn,
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},
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[TRXC_SACCHTH_1] = {
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.name = "SACCH/TH(1)", /* 3GPP TS 05.02, section 3.3.4.1 */
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@ -404,7 +387,6 @@ const struct trx_chan_desc trx_chan_desc[_TRX_CHAN_MAX] = {
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.rts_fn = rts_data_fn,
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.dl_fn = tx_data_fn,
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.ul_fn = rx_data_fn,
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.nope_fn = rx_data_fn,
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},
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[TRXC_SACCH4_0] = {
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.name = "SACCH/4(0)", /* 3GPP TS 05.02, section 3.3.4.1 */
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@ -416,7 +398,6 @@ const struct trx_chan_desc trx_chan_desc[_TRX_CHAN_MAX] = {
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.rts_fn = rts_data_fn,
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.dl_fn = tx_data_fn,
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.ul_fn = rx_data_fn,
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.nope_fn = rx_data_fn,
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},
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[TRXC_SACCH4_1] = {
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.name = "SACCH/4(1)", /* 3GPP TS 05.02, section 3.3.4.1 */
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@ -428,7 +409,6 @@ const struct trx_chan_desc trx_chan_desc[_TRX_CHAN_MAX] = {
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.rts_fn = rts_data_fn,
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.dl_fn = tx_data_fn,
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.ul_fn = rx_data_fn,
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.nope_fn = rx_data_fn,
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},
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[TRXC_SACCH4_2] = {
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.name = "SACCH/4(2)", /* 3GPP TS 05.02, section 3.3.4.1 */
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@ -440,7 +420,6 @@ const struct trx_chan_desc trx_chan_desc[_TRX_CHAN_MAX] = {
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.rts_fn = rts_data_fn,
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.dl_fn = tx_data_fn,
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.ul_fn = rx_data_fn,
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.nope_fn = rx_data_fn,
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},
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[TRXC_SACCH4_3] = {
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.name = "SACCH/4(3)", /* 3GPP TS 05.02, section 3.3.4.1 */
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@ -452,7 +431,6 @@ const struct trx_chan_desc trx_chan_desc[_TRX_CHAN_MAX] = {
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.rts_fn = rts_data_fn,
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.dl_fn = tx_data_fn,
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.ul_fn = rx_data_fn,
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.nope_fn = rx_data_fn,
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},
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[TRXC_SACCH8_0] = {
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.name = "SACCH/8(0)", /* 3GPP TS 05.02, section 3.3.4.1 */
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@ -464,7 +442,6 @@ const struct trx_chan_desc trx_chan_desc[_TRX_CHAN_MAX] = {
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.rts_fn = rts_data_fn,
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.dl_fn = tx_data_fn,
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.ul_fn = rx_data_fn,
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.nope_fn = rx_data_fn,
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},
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[TRXC_SACCH8_1] = {
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.name = "SACCH/8(1)", /* 3GPP TS 05.02, section 3.3.4.1 */
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@ -476,7 +453,6 @@ const struct trx_chan_desc trx_chan_desc[_TRX_CHAN_MAX] = {
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.rts_fn = rts_data_fn,
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.dl_fn = tx_data_fn,
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.ul_fn = rx_data_fn,
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.nope_fn = rx_data_fn,
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},
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[TRXC_SACCH8_2] = {
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.name = "SACCH/8(2)", /* 3GPP TS 05.02, section 3.3.4.1 */
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@ -488,7 +464,6 @@ const struct trx_chan_desc trx_chan_desc[_TRX_CHAN_MAX] = {
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.rts_fn = rts_data_fn,
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.dl_fn = tx_data_fn,
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.ul_fn = rx_data_fn,
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.nope_fn = rx_data_fn,
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},
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[TRXC_SACCH8_3] = {
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.name = "SACCH/8(3)", /* 3GPP TS 05.02, section 3.3.4.1 */
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@ -500,7 +475,6 @@ const struct trx_chan_desc trx_chan_desc[_TRX_CHAN_MAX] = {
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.rts_fn = rts_data_fn,
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.dl_fn = tx_data_fn,
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.ul_fn = rx_data_fn,
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.nope_fn = rx_data_fn,
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},
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[TRXC_SACCH8_4] = {
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.name = "SACCH/8(4)", /* 3GPP TS 05.02, section 3.3.4.1 */
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@ -512,7 +486,6 @@ const struct trx_chan_desc trx_chan_desc[_TRX_CHAN_MAX] = {
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.rts_fn = rts_data_fn,
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.dl_fn = tx_data_fn,
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.ul_fn = rx_data_fn,
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.nope_fn = rx_data_fn,
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},
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[TRXC_SACCH8_5] = {
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.name = "SACCH/8(5)", /* 3GPP TS 05.02, section 3.3.4.1 */
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@ -524,7 +497,6 @@ const struct trx_chan_desc trx_chan_desc[_TRX_CHAN_MAX] = {
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.rts_fn = rts_data_fn,
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.dl_fn = tx_data_fn,
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.ul_fn = rx_data_fn,
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.nope_fn = rx_data_fn,
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},
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[TRXC_SACCH8_6] = {
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.name = "SACCH/8(6)", /* 3GPP TS 05.02, section 3.3.4.1 */
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@ -536,7 +508,6 @@ const struct trx_chan_desc trx_chan_desc[_TRX_CHAN_MAX] = {
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.rts_fn = rts_data_fn,
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.dl_fn = tx_data_fn,
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.ul_fn = rx_data_fn,
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.nope_fn = rx_data_fn,
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},
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[TRXC_SACCH8_7] = {
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.name = "SACCH/8(7)", /* 3GPP TS 05.02, section 3.3.4.1 */
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@ -548,7 +519,6 @@ const struct trx_chan_desc trx_chan_desc[_TRX_CHAN_MAX] = {
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.rts_fn = rts_data_fn,
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.dl_fn = tx_data_fn,
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.ul_fn = rx_data_fn,
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.nope_fn = rx_data_fn,
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},
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[TRXC_PDTCH] = {
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.name = "PDTCH", /* 3GPP TS 05.02, sections 3.2.4, 3.3.2.4 */
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@ -1406,12 +1376,19 @@ int trx_sched_ul_burst(struct l1sched_trx *l1t, struct trx_ul_burst_ind *bi)
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l1cs->last_tdma_fn = bi->fn;
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l1cs->proc_tdma_fs++;
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/* handle NOPE indications (if the handler is present) */
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/* handle NOPE indications */
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if (bi->flags & TRX_BI_F_NOPE_IND) {
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func = trx_chan_desc[chan].nope_fn;
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if (!func)
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switch (chan) {
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case TRXC_PDTCH:
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case TRXC_PTCCH:
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case TRXC_RACH:
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/* For some logical channel types NOPE.ind is valueless. */
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return 0;
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return func(l1t, chan, bid, bi);
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default:
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/* NOTE: Uplink burst handler must check bi->burst_len before
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* accessing bi->burst to avoid uninitialized memory access. */
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return func(l1t, chan, bid, bi);
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}
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}
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/* decrypt */
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