fixeria has uploaded this change for review. ( https://gerrit.osmocom.org/c/osmocom-bb/+/30810 )
Change subject: layer23/sysinfo: update coding style, make pointers const ......................................................................
layer23/sysinfo: update coding style, make pointers const
Change-Id: Ia518251eae1b45ad573d076d97cba83ed25ea9ea Depends: libosmocore.git Ide9110b984d3302aec6b439c563eb10e2dcdec9e --- M src/host/layer23/include/osmocom/bb/common/sysinfo.h M src/host/layer23/src/common/sysinfo.c 2 files changed, 105 insertions(+), 104 deletions(-)
git pull ssh://gerrit.osmocom.org:29418/osmocom-bb refs/changes/10/30810/1
diff --git a/src/host/layer23/include/osmocom/bb/common/sysinfo.h b/src/host/layer23/include/osmocom/bb/common/sysinfo.h index 7fea2da..6a915d0 100644 --- a/src/host/layer23/include/osmocom/bb/common/sysinfo.h +++ b/src/host/layer23/include/osmocom/bb/common/sysinfo.h @@ -121,42 +121,42 @@ };
char *gsm_print_arfcn(uint16_t arfcn); -uint8_t gsm_refer_pcs(uint16_t arfcn, struct gsm48_sysinfo *s); -int gsm48_sysinfo_dump(struct gsm48_sysinfo *s, uint16_t arfcn, - void (*print)(void *, const char *, ...), void *priv, - uint8_t *freq_map); +uint8_t gsm_refer_pcs(uint16_t arfcn, const struct gsm48_sysinfo *s); +int gsm48_sysinfo_dump(const struct gsm48_sysinfo *s, uint16_t arfcn, + void (*print)(void *, const char *, ...), + void *priv, uint8_t *freq_map); int gsm48_decode_lai(struct gsm48_loc_area_id *lai, uint16_t *mcc, uint16_t *mnc, uint16_t *lac); -int gsm48_decode_chan_h0(struct gsm48_chan_desc *cd, uint8_t *tsc, - uint16_t *arfcn); -int gsm48_decode_chan_h1(struct gsm48_chan_desc *cd, uint8_t *tsc, - uint8_t *maio, uint8_t *hsn); +int gsm48_decode_chan_h0(const struct gsm48_chan_desc *cd, + uint8_t *tsc, uint16_t *arfcn); +int gsm48_decode_chan_h1(const struct gsm48_chan_desc *cd, + uint8_t *tsc, uint8_t *maio, uint8_t *hsn); int gsm48_decode_sysinfo1(struct gsm48_sysinfo *s, - struct gsm48_system_information_type_1 *si, int len); + const struct gsm48_system_information_type_1 *si, int len); int gsm48_decode_sysinfo2(struct gsm48_sysinfo *s, - struct gsm48_system_information_type_2 *si, int len); + const struct gsm48_system_information_type_2 *si, int len); int gsm48_decode_sysinfo2bis(struct gsm48_sysinfo *s, - struct gsm48_system_information_type_2bis *si, int len); + const struct gsm48_system_information_type_2bis *si, int len); int gsm48_decode_sysinfo2ter(struct gsm48_sysinfo *s, - struct gsm48_system_information_type_2ter *si, int len); + const struct gsm48_system_information_type_2ter *si, int len); int gsm48_decode_sysinfo3(struct gsm48_sysinfo *s, - struct gsm48_system_information_type_3 *si, int len); + const struct gsm48_system_information_type_3 *si, int len); int gsm48_decode_sysinfo4(struct gsm48_sysinfo *s, - struct gsm48_system_information_type_4 *si, int len); + const struct gsm48_system_information_type_4 *si, int len); int gsm48_decode_sysinfo5(struct gsm48_sysinfo *s, - struct gsm48_system_information_type_5 *si, int len); + const struct gsm48_system_information_type_5 *si, int len); int gsm48_decode_sysinfo5bis(struct gsm48_sysinfo *s, - struct gsm48_system_information_type_5bis *si, int len); + const struct gsm48_system_information_type_5bis *si, int len); int gsm48_decode_sysinfo5ter(struct gsm48_sysinfo *s, - struct gsm48_system_information_type_5ter *si, int len); + const struct gsm48_system_information_type_5ter *si, int len); int gsm48_decode_sysinfo6(struct gsm48_sysinfo *s, - struct gsm48_system_information_type_6 *si, int len); + const struct gsm48_system_information_type_6 *si, int len); int gsm48_decode_mobile_alloc(struct gsm_sysinfo_freq *freq, - uint8_t *ma, uint8_t len, uint16_t *hopping, uint8_t *hopp_len, - int si4); -int gsm48_encode_lai_hex(struct gsm48_loc_area_id *lai, uint16_t mcc, - uint16_t mnc, uint16_t lac); -int gsm48_decode_lai_hex(struct gsm48_loc_area_id *lai, uint16_t *mcc, - uint16_t *mnc, uint16_t *lac); + const uint8_t *ma, uint8_t len, + uint16_t *hopping, uint8_t *hopp_len, int si4); +int gsm48_encode_lai_hex(struct gsm48_loc_area_id *lai, + uint16_t mcc, uint16_t mnc, uint16_t lac); +int gsm48_decode_lai_hex(const struct gsm48_loc_area_id *lai, + uint16_t *mcc, uint16_t *mnc, uint16_t *lac);
#endif /* _SYSINFO_H */ diff --git a/src/host/layer23/src/common/sysinfo.c b/src/host/layer23/src/common/sysinfo.c index 7105e09..a912e9c 100644 --- a/src/host/layer23/src/common/sysinfo.c +++ b/src/host/layer23/src/common/sysinfo.c @@ -47,7 +47,7 @@ }
/* check if the cell 'talks' about DCS (0) or PCS (1) */ -uint8_t gsm_refer_pcs(uint16_t arfcn, struct gsm48_sysinfo *s) +uint8_t gsm_refer_pcs(uint16_t arfcn, const struct gsm48_sysinfo *s) { /* If ARFCN is PCS band, the cell refers to PCS */ if ((arfcn & ARFCN_PCS)) @@ -62,8 +62,9 @@ return s->band_ind; }
-int gsm48_sysinfo_dump(struct gsm48_sysinfo *s, uint16_t arfcn, - void (*print)(void *, const char *, ...), void *priv, uint8_t *freq_map) +int gsm48_sysinfo_dump(const struct gsm48_sysinfo *s, uint16_t arfcn, + void (*print)(void *, const char *, ...), + void *priv, uint8_t *freq_map) { char buffer[81]; int i, j, k, index; @@ -301,8 +302,8 @@ * decoding */
-int gsm48_decode_chan_h0(struct gsm48_chan_desc *cd, uint8_t *tsc, - uint16_t *arfcn) +int gsm48_decode_chan_h0(const struct gsm48_chan_desc *cd, + uint8_t *tsc, uint16_t *arfcn) { *tsc = cd->h0.tsc; *arfcn = cd->h0.arfcn_low | (cd->h0.arfcn_high << 8); @@ -310,8 +311,8 @@ return 0; }
-int gsm48_decode_chan_h1(struct gsm48_chan_desc *cd, uint8_t *tsc, - uint8_t *maio, uint8_t *hsn) +int gsm48_decode_chan_h1(const struct gsm48_chan_desc *cd, + uint8_t *tsc, uint8_t *maio, uint8_t *hsn) { *tsc = cd->h1.tsc; *maio = cd->h1.maio_low | (cd->h1.maio_high << 2); @@ -321,8 +322,9 @@ }
/* decode "Cell Channel Description" (10.5.2.1b) and other frequency lists */ -static int decode_freq_list(struct gsm_sysinfo_freq *f, uint8_t *cd, - uint8_t len, uint8_t mask, uint8_t frqt) +static int decode_freq_list(struct gsm_sysinfo_freq *f, + const uint8_t *cd, uint8_t len, + uint8_t mask, uint8_t frqt) { #if 0 /* only Bit map 0 format for P-GSM */ @@ -336,7 +338,7 @@
/* decode "Cell Selection Parameters" (10.5.2.4) */ static int gsm48_decode_cell_sel_param(struct gsm48_sysinfo *s, - struct gsm48_cell_sel_par *cs) + const struct gsm48_cell_sel_par *cs) { s->ms_txpwr_max_cch = cs->ms_txpwr_max_ccch; s->cell_resel_hyst_db = cs->cell_resel_hyst * 2; @@ -349,7 +351,7 @@
/* decode "Cell Options (BCCH)" (10.5.2.3) */ static int gsm48_decode_cellopt_bcch(struct gsm48_sysinfo *s, - struct gsm48_cell_options *co) + const struct gsm48_cell_options *co) { s->bcch_radio_link_timeout = (co->radio_link_timeout + 1) * 4; s->bcch_dtx = co->dtx; @@ -360,7 +362,7 @@
/* decode "Cell Options (SACCH)" (10.5.2.3a) */ static int gsm48_decode_cellopt_sacch(struct gsm48_sysinfo *s, - struct gsm48_cell_options *co) + const struct gsm48_cell_options *co) { s->sacch_radio_link_timeout = (co->radio_link_timeout + 1) * 4; s->sacch_dtx = co->dtx; @@ -371,7 +373,7 @@
/* decode "Control Channel Description" (10.5.2.11) */ static int gsm48_decode_ccd(struct gsm48_sysinfo *s, - struct gsm48_control_channel_descr *cc) + const struct gsm48_control_channel_descr *cc) { s->ccch_conf = cc->ccch_conf; s->bs_ag_blks_res = cc->bs_ag_blks_res; @@ -384,7 +386,8 @@
/* decode "Mobile Allocation" (10.5.2.21) */ int gsm48_decode_mobile_alloc(struct gsm_sysinfo_freq *freq, - uint8_t *ma, uint8_t len, uint16_t *hopping, uint8_t *hopp_len, int si4) + const uint8_t *ma, uint8_t len, + uint16_t *hopping, uint8_t *hopp_len, int si4) { int i, j = 0; uint16_t f[len << 3]; @@ -437,16 +440,16 @@ }
/* Rach Control decode tables */ -static uint8_t gsm48_max_retrans[4] = { +static const uint8_t gsm48_max_retrans[4] = { 1, 2, 4, 7 }; -static uint8_t gsm48_tx_integer[16] = { +static const uint8_t gsm48_tx_integer[16] = { 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 16, 20, 25, 32, 50 };
/* decode "RACH Control Parameter" (10.5.2.29) */ static int gsm48_decode_rach_ctl_param(struct gsm48_sysinfo *s, - struct gsm48_rach_control *rc) + const struct gsm48_rach_control *rc) { s->reest_denied = rc->re; s->cell_barr = rc->cell_bar; @@ -457,7 +460,7 @@ return 0; } static int gsm48_decode_rach_ctl_neigh(struct gsm48_sysinfo *s, - struct gsm48_rach_control *rc) + const struct gsm48_rach_control *rc) { s->nb_reest_denied = rc->re; s->nb_cell_barr = rc->cell_bar; @@ -469,14 +472,13 @@ }
/* decode "SI 1 Rest Octets" (10.5.2.32) */ -static int gsm48_decode_si1_rest(struct gsm48_sysinfo *s, uint8_t *si, - uint8_t len) +static int gsm48_decode_si1_rest(struct gsm48_sysinfo *s, + const uint8_t *si, uint8_t len) { - struct bitvec bv; - - memset(&bv, 0, sizeof(bv)); - bv.data_len = len; - bv.data = si; + struct bitvec bv = { + .data_len = len, + .data = (uint8_t *)si, + };
/* Optional Selection Parameters */ if (bitvec_get_bit_high(&bv) == H) { @@ -493,14 +495,13 @@ }
/* decode "SI 3 Rest Octets" (10.5.2.34) */ -static int gsm48_decode_si3_rest(struct gsm48_sysinfo *s, uint8_t *si, - uint8_t len) +static int gsm48_decode_si3_rest(struct gsm48_sysinfo *s, + const uint8_t *si, uint8_t len) { - struct bitvec bv; - - memset(&bv, 0, sizeof(bv)); - bv.data_len = len; - bv.data = si; + struct bitvec bv = { + .data_len = len, + .data = (uint8_t *)si, + };
/* Optional Selection Parameters */ if (bitvec_get_bit_high(&bv) == H) { @@ -545,14 +546,13 @@ }
/* decode "SI 4 Rest Octets" (10.5.2.35) */ -static int gsm48_decode_si4_rest(struct gsm48_sysinfo *s, uint8_t *si, - uint8_t len) +static int gsm48_decode_si4_rest(struct gsm48_sysinfo *s, + const uint8_t *si, uint8_t len) { - struct bitvec bv; - - memset(&bv, 0, sizeof(bv)); - bv.data_len = len; - bv.data = si; + struct bitvec bv = { + .data_len = len, + .data = (uint8_t *)si, + };
/* Optional Selection Parameters */ if (bitvec_get_bit_high(&bv) == H) { @@ -581,15 +581,15 @@ return 0; }
-/* decode "SI 6 Rest Octets" (10.5.2.35a) */ -static int gsm48_decode_si6_rest(struct gsm48_sysinfo *s, uint8_t *si, - uint8_t len) +/* TODO: decode "SI 6 Rest Octets" (10.5.2.35a) */ +static int gsm48_decode_si6_rest(struct gsm48_sysinfo *s, + const uint8_t *si, uint8_t len) { return 0; }
int gsm48_decode_sysinfo1(struct gsm48_sysinfo *s, - struct gsm48_system_information_type_1 *si, int len) + const struct gsm48_system_information_type_1 *si, int len) { int payload_len = len - sizeof(*si);
@@ -597,7 +597,8 @@
/* Cell Channel Description */ decode_freq_list(s->freq, si->cell_channel_description, - sizeof(si->cell_channel_description), 0xce, FREQ_TYPE_SERV); + sizeof(si->cell_channel_description), + 0xce, FREQ_TYPE_SERV); /* RACH Control Parameter */ gsm48_decode_rach_ctl_param(s, &si->rach_control); /* SI 1 Rest Octets */ @@ -607,18 +608,17 @@ s->si1 = 1;
if (s->si4) { - LOGP(DRR, LOGL_NOTICE, "Now updating previously received " - "SYSTEM INFORMATION 4\n"); - gsm48_decode_sysinfo4(s, - (struct gsm48_system_information_type_4 *) s->si4_msg, - sizeof(s->si4_msg)); + const struct gsm48_system_information_type_4 *si4 = (void *)s->si4_msg; + LOGP(DRR, LOGL_NOTICE, + "Now updating previously received SYSTEM INFORMATION 4\n"); + gsm48_decode_sysinfo4(s, si4, sizeof(s->si4_msg)); }
return 0; }
int gsm48_decode_sysinfo2(struct gsm48_sysinfo *s, - struct gsm48_system_information_type_2 *si, int len) + const struct gsm48_system_information_type_2 *si, int len) { memcpy(s->si2_msg, si, OSMO_MIN(len, sizeof(s->si2_msg)));
@@ -626,7 +626,8 @@ s->nb_ext_ind_si2 = (si->bcch_frequency_list[0] >> 6) & 1; s->nb_ba_ind_si2 = (si->bcch_frequency_list[0] >> 5) & 1; decode_freq_list(s->freq, si->bcch_frequency_list, - sizeof(si->bcch_frequency_list), 0xce, FREQ_TYPE_NCELL_2); + sizeof(si->bcch_frequency_list), + 0xce, FREQ_TYPE_NCELL_2); /* NCC Permitted */ s->nb_ncc_permitted_si2 = si->ncc_permitted; /* RACH Control Parameter */ @@ -638,7 +639,7 @@ }
int gsm48_decode_sysinfo2bis(struct gsm48_sysinfo *s, - struct gsm48_system_information_type_2bis *si, int len) + const struct gsm48_system_information_type_2bis *si, int len) { memcpy(s->si2b_msg, si, OSMO_MIN(len, sizeof(s->si2b_msg)));
@@ -656,7 +657,7 @@ }
int gsm48_decode_sysinfo2ter(struct gsm48_sysinfo *s, - struct gsm48_system_information_type_2ter *si, int len) + const struct gsm48_system_information_type_2ter *si, int len) { memcpy(s->si2t_msg, si, OSMO_MIN(len, sizeof(s->si2t_msg)));
@@ -673,7 +674,7 @@ }
int gsm48_decode_sysinfo3(struct gsm48_sysinfo *s, - struct gsm48_system_information_type_3 *si, int len) + const struct gsm48_system_information_type_3 *si, int len) { int payload_len = len - sizeof(*si);
@@ -695,9 +696,9 @@ if (payload_len >= 4) gsm48_decode_si3_rest(s, si->rest_octets, payload_len);
- LOGP(DRR, LOGL_INFO, "New SYSTEM INFORMATION 3 (mcc %s mnc %s " - "lac 0x%04x)\n", gsm_print_mcc(s->mcc), - gsm_print_mnc(s->mnc), s->lac); + LOGP(DRR, LOGL_INFO, + "New SYSTEM INFORMATION 3 (mcc %s mnc %s lac 0x%04x)\n", + gsm_print_mcc(s->mcc), gsm_print_mnc(s->mnc), s->lac);
s->si3 = 1;
@@ -705,12 +706,12 @@ }
int gsm48_decode_sysinfo4(struct gsm48_sysinfo *s, - struct gsm48_system_information_type_4 *si, int len) + const struct gsm48_system_information_type_4 *si, int len) { int payload_len = len - sizeof(*si);
- uint8_t *data = si->data; - struct gsm48_chan_desc *cd; + const uint8_t *data = si->data; + const struct gsm48_chan_desc *cd;
memcpy(s->si4_msg, si, OSMO_MIN(len, sizeof(s->si4_msg)));
@@ -728,15 +729,13 @@ LOGP(DRR, LOGL_NOTICE, "Short read!\n"); return -EIO; } - cd = (struct gsm48_chan_desc *) (data + 1); + cd = (const struct gsm48_chan_desc *)(data + 1); s->chan_nr = cd->chan_nr; - if (cd->h0.h) { - s->h = 1; + s->h = cd->h0.h; + if (s->h) gsm48_decode_chan_h1(cd, &s->tsc, &s->maio, &s->hsn); - } else { - s->h = 0; + else gsm48_decode_chan_h0(cd, &s->tsc, &s->arfcn); - } payload_len -= 4; data += 4; } @@ -746,11 +745,10 @@ goto short_read; if (!s->si1) { LOGP(DRR, LOGL_NOTICE, "Ignoring CBCH allocation of " - "SYSTEM INFORMATION 4 until SI 1 is " - "received.\n"); + "SYSTEM INFORMATION 4 until SI 1 is received.\n"); } else { gsm48_decode_mobile_alloc(s->freq, data + 2, data[1], - s->hopping, &s->hopp_len, 1); + s->hopping, &s->hopp_len, 1); } payload_len -= 2 + data[1]; data += 2 + data[1]; @@ -765,7 +763,7 @@ }
int gsm48_decode_sysinfo5(struct gsm48_sysinfo *s, - struct gsm48_system_information_type_5 *si, int len) + const struct gsm48_system_information_type_5 *si, int len) { memcpy(s->si5_msg, si, OSMO_MIN(len, sizeof(s->si5_msg)));
@@ -773,7 +771,8 @@ s->nb_ext_ind_si5 = (si->bcch_frequency_list[0] >> 6) & 1; s->nb_ba_ind_si5 = (si->bcch_frequency_list[0] >> 5) & 1; decode_freq_list(s->freq, si->bcch_frequency_list, - sizeof(si->bcch_frequency_list), 0xce, FREQ_TYPE_REP_5); + sizeof(si->bcch_frequency_list), + 0xce, FREQ_TYPE_REP_5);
s->si5 = 1;
@@ -781,7 +780,7 @@ }
int gsm48_decode_sysinfo5bis(struct gsm48_sysinfo *s, - struct gsm48_system_information_type_5bis *si, int len) + const struct gsm48_system_information_type_5bis *si, int len) { memcpy(s->si5b_msg, si, OSMO_MIN(len, sizeof(s->si5b_msg)));
@@ -789,7 +788,8 @@ s->nb_ext_ind_si5bis = (si->bcch_frequency_list[0] >> 6) & 1; s->nb_ba_ind_si5bis = (si->bcch_frequency_list[0] >> 5) & 1; decode_freq_list(s->freq, si->bcch_frequency_list, - sizeof(si->bcch_frequency_list), 0xce, FREQ_TYPE_REP_5bis); + sizeof(si->bcch_frequency_list), + 0xce, FREQ_TYPE_REP_5bis);
s->si5bis = 1;
@@ -797,7 +797,7 @@ }
int gsm48_decode_sysinfo5ter(struct gsm48_sysinfo *s, - struct gsm48_system_information_type_5ter *si, int len) + const struct gsm48_system_information_type_5ter *si, int len) { memcpy(s->si5t_msg, si, OSMO_MIN(len, sizeof(s->si5t_msg)));
@@ -805,7 +805,8 @@ s->nb_multi_rep_si5ter = (si->bcch_frequency_list[0] >> 6) & 3; s->nb_ba_ind_si5ter = (si->bcch_frequency_list[0] >> 5) & 1; decode_freq_list(s->freq, si->bcch_frequency_list, - sizeof(si->bcch_frequency_list), 0x8e, FREQ_TYPE_REP_5ter); + sizeof(si->bcch_frequency_list), + 0x8e, FREQ_TYPE_REP_5ter);
s->si5ter = 1;
@@ -813,7 +814,7 @@ }
int gsm48_decode_sysinfo6(struct gsm48_sysinfo *s, - struct gsm48_system_information_type_6 *si, int len) + const struct gsm48_system_information_type_6 *si, int len) { int payload_len = len - sizeof(*si);
@@ -839,8 +840,8 @@ return 0; }
-int gsm48_encode_lai_hex(struct gsm48_loc_area_id *lai, uint16_t mcc, - uint16_t mnc, uint16_t lac) +int gsm48_encode_lai_hex(struct gsm48_loc_area_id *lai, + uint16_t mcc, uint16_t mnc, uint16_t lac) { lai->digits[0] = (mcc >> 8) | (mcc & 0xf0); lai->digits[1] = (mcc & 0x0f) | (mnc << 4); @@ -850,8 +851,8 @@ return 0; }
- int gsm48_decode_lai_hex(struct gsm48_loc_area_id *lai, uint16_t *mcc, - uint16_t *mnc, uint16_t *lac) +int gsm48_decode_lai_hex(const struct gsm48_loc_area_id *lai, + uint16_t *mcc, uint16_t *mnc, uint16_t *lac) { *mcc = ((lai->digits[0] & 0x0f) << 8) | (lai->digits[0] & 0xf0)
-
fixeria