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path: root/drivers/net/wireless/brcm80211/brcmsmac/rate.c
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Diffstat (limited to 'drivers/net/wireless/brcm80211/brcmsmac/rate.c')
-rw-r--r--drivers/net/wireless/brcm80211/brcmsmac/rate.c514
1 files changed, 0 insertions, 514 deletions
diff --git a/drivers/net/wireless/brcm80211/brcmsmac/rate.c b/drivers/net/wireless/brcm80211/brcmsmac/rate.c
deleted file mode 100644
index 0a0c0ad4f96f..000000000000
--- a/drivers/net/wireless/brcm80211/brcmsmac/rate.c
+++ /dev/null
@@ -1,514 +0,0 @@
-/*
- * Copyright (c) 2010 Broadcom Corporation
- *
- * Permission to use, copy, modify, and/or distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
- * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
- * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
- * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
- * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
- * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
- */
-
-#include <brcmu_wifi.h>
-#include <brcmu_utils.h>
-
-#include "d11.h"
-#include "pub.h"
-#include "rate.h"
-
-/*
- * Rate info per rate: It tells whether a rate is ofdm or not and its phy_rate
- * value
- */
-const u8 rate_info[BRCM_MAXRATE + 1] = {
- /* 0 1 2 3 4 5 6 7 8 9 */
-/* 0 */ 0x00, 0x00, 0x0a, 0x00, 0x14, 0x00, 0x00, 0x00, 0x00, 0x00,
-/* 10 */ 0x00, 0x37, 0x8b, 0x00, 0x00, 0x00, 0x00, 0x00, 0x8f, 0x00,
-/* 20 */ 0x00, 0x00, 0x6e, 0x00, 0x8a, 0x00, 0x00, 0x00, 0x00, 0x00,
-/* 30 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x8e, 0x00, 0x00, 0x00,
-/* 40 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x89, 0x00,
-/* 50 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-/* 60 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-/* 70 */ 0x00, 0x00, 0x8d, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-/* 80 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-/* 90 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x88, 0x00, 0x00, 0x00,
-/* 100 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x8c
-};
-
-/* rates are in units of Kbps */
-const struct brcms_mcs_info mcs_table[MCS_TABLE_SIZE] = {
- /* MCS 0: SS 1, MOD: BPSK, CR 1/2 */
- {6500, 13500, CEIL(6500 * 10, 9), CEIL(13500 * 10, 9), 0x00,
- BRCM_RATE_6M},
- /* MCS 1: SS 1, MOD: QPSK, CR 1/2 */
- {13000, 27000, CEIL(13000 * 10, 9), CEIL(27000 * 10, 9), 0x08,
- BRCM_RATE_12M},
- /* MCS 2: SS 1, MOD: QPSK, CR 3/4 */
- {19500, 40500, CEIL(19500 * 10, 9), CEIL(40500 * 10, 9), 0x0A,
- BRCM_RATE_18M},
- /* MCS 3: SS 1, MOD: 16QAM, CR 1/2 */
- {26000, 54000, CEIL(26000 * 10, 9), CEIL(54000 * 10, 9), 0x10,
- BRCM_RATE_24M},
- /* MCS 4: SS 1, MOD: 16QAM, CR 3/4 */
- {39000, 81000, CEIL(39000 * 10, 9), CEIL(81000 * 10, 9), 0x12,
- BRCM_RATE_36M},
- /* MCS 5: SS 1, MOD: 64QAM, CR 2/3 */
- {52000, 108000, CEIL(52000 * 10, 9), CEIL(108000 * 10, 9), 0x19,
- BRCM_RATE_48M},
- /* MCS 6: SS 1, MOD: 64QAM, CR 3/4 */
- {58500, 121500, CEIL(58500 * 10, 9), CEIL(121500 * 10, 9), 0x1A,
- BRCM_RATE_54M},
- /* MCS 7: SS 1, MOD: 64QAM, CR 5/6 */
- {65000, 135000, CEIL(65000 * 10, 9), CEIL(135000 * 10, 9), 0x1C,
- BRCM_RATE_54M},
- /* MCS 8: SS 2, MOD: BPSK, CR 1/2 */
- {13000, 27000, CEIL(13000 * 10, 9), CEIL(27000 * 10, 9), 0x40,
- BRCM_RATE_6M},
- /* MCS 9: SS 2, MOD: QPSK, CR 1/2 */
- {26000, 54000, CEIL(26000 * 10, 9), CEIL(54000 * 10, 9), 0x48,
- BRCM_RATE_12M},
- /* MCS 10: SS 2, MOD: QPSK, CR 3/4 */
- {39000, 81000, CEIL(39000 * 10, 9), CEIL(81000 * 10, 9), 0x4A,
- BRCM_RATE_18M},
- /* MCS 11: SS 2, MOD: 16QAM, CR 1/2 */
- {52000, 108000, CEIL(52000 * 10, 9), CEIL(108000 * 10, 9), 0x50,
- BRCM_RATE_24M},
- /* MCS 12: SS 2, MOD: 16QAM, CR 3/4 */
- {78000, 162000, CEIL(78000 * 10, 9), CEIL(162000 * 10, 9), 0x52,
- BRCM_RATE_36M},
- /* MCS 13: SS 2, MOD: 64QAM, CR 2/3 */
- {104000, 216000, CEIL(104000 * 10, 9), CEIL(216000 * 10, 9), 0x59,
- BRCM_RATE_48M},
- /* MCS 14: SS 2, MOD: 64QAM, CR 3/4 */
- {117000, 243000, CEIL(117000 * 10, 9), CEIL(243000 * 10, 9), 0x5A,
- BRCM_RATE_54M},
- /* MCS 15: SS 2, MOD: 64QAM, CR 5/6 */
- {130000, 270000, CEIL(130000 * 10, 9), CEIL(270000 * 10, 9), 0x5C,
- BRCM_RATE_54M},
- /* MCS 16: SS 3, MOD: BPSK, CR 1/2 */
- {19500, 40500, CEIL(19500 * 10, 9), CEIL(40500 * 10, 9), 0x80,
- BRCM_RATE_6M},
- /* MCS 17: SS 3, MOD: QPSK, CR 1/2 */
- {39000, 81000, CEIL(39000 * 10, 9), CEIL(81000 * 10, 9), 0x88,
- BRCM_RATE_12M},
- /* MCS 18: SS 3, MOD: QPSK, CR 3/4 */
- {58500, 121500, CEIL(58500 * 10, 9), CEIL(121500 * 10, 9), 0x8A,
- BRCM_RATE_18M},
- /* MCS 19: SS 3, MOD: 16QAM, CR 1/2 */
- {78000, 162000, CEIL(78000 * 10, 9), CEIL(162000 * 10, 9), 0x90,
- BRCM_RATE_24M},
- /* MCS 20: SS 3, MOD: 16QAM, CR 3/4 */
- {117000, 243000, CEIL(117000 * 10, 9), CEIL(243000 * 10, 9), 0x92,
- BRCM_RATE_36M},
- /* MCS 21: SS 3, MOD: 64QAM, CR 2/3 */
- {156000, 324000, CEIL(156000 * 10, 9), CEIL(324000 * 10, 9), 0x99,
- BRCM_RATE_48M},
- /* MCS 22: SS 3, MOD: 64QAM, CR 3/4 */
- {175500, 364500, CEIL(175500 * 10, 9), CEIL(364500 * 10, 9), 0x9A,
- BRCM_RATE_54M},
- /* MCS 23: SS 3, MOD: 64QAM, CR 5/6 */
- {195000, 405000, CEIL(195000 * 10, 9), CEIL(405000 * 10, 9), 0x9B,
- BRCM_RATE_54M},
- /* MCS 24: SS 4, MOD: BPSK, CR 1/2 */
- {26000, 54000, CEIL(26000 * 10, 9), CEIL(54000 * 10, 9), 0xC0,
- BRCM_RATE_6M},
- /* MCS 25: SS 4, MOD: QPSK, CR 1/2 */
- {52000, 108000, CEIL(52000 * 10, 9), CEIL(108000 * 10, 9), 0xC8,
- BRCM_RATE_12M},
- /* MCS 26: SS 4, MOD: QPSK, CR 3/4 */
- {78000, 162000, CEIL(78000 * 10, 9), CEIL(162000 * 10, 9), 0xCA,
- BRCM_RATE_18M},
- /* MCS 27: SS 4, MOD: 16QAM, CR 1/2 */
- {104000, 216000, CEIL(104000 * 10, 9), CEIL(216000 * 10, 9), 0xD0,
- BRCM_RATE_24M},
- /* MCS 28: SS 4, MOD: 16QAM, CR 3/4 */
- {156000, 324000, CEIL(156000 * 10, 9), CEIL(324000 * 10, 9), 0xD2,
- BRCM_RATE_36M},
- /* MCS 29: SS 4, MOD: 64QAM, CR 2/3 */
- {208000, 432000, CEIL(208000 * 10, 9), CEIL(432000 * 10, 9), 0xD9,
- BRCM_RATE_48M},
- /* MCS 30: SS 4, MOD: 64QAM, CR 3/4 */
- {234000, 486000, CEIL(234000 * 10, 9), CEIL(486000 * 10, 9), 0xDA,
- BRCM_RATE_54M},
- /* MCS 31: SS 4, MOD: 64QAM, CR 5/6 */
- {260000, 540000, CEIL(260000 * 10, 9), CEIL(540000 * 10, 9), 0xDB,
- BRCM_RATE_54M},
- /* MCS 32: SS 1, MOD: BPSK, CR 1/2 */
- {0, 6000, 0, CEIL(6000 * 10, 9), 0x00, BRCM_RATE_6M},
-};
-
-/*
- * phycfg for legacy OFDM frames: code rate, modulation scheme, spatial streams
- * Number of spatial streams: always 1 other fields: refer to table 78 of
- * section 17.3.2.2 of the original .11a standard
- */
-struct legacy_phycfg {
- u32 rate_ofdm; /* ofdm mac rate */
- /* phy ctl byte 3, code rate, modulation type, # of streams */
- u8 tx_phy_ctl3;
-};
-
-/* Number of legacy_rate_cfg entries in the table */
-#define LEGACY_PHYCFG_TABLE_SIZE 12
-
-/*
- * In CCK mode LPPHY overloads OFDM Modulation bits with CCK Data Rate
- * Eventually MIMOPHY would also be converted to this format
- * 0 = 1Mbps; 1 = 2Mbps; 2 = 5.5Mbps; 3 = 11Mbps
- */
-static const struct
-legacy_phycfg legacy_phycfg_table[LEGACY_PHYCFG_TABLE_SIZE] = {
- {BRCM_RATE_1M, 0x00}, /* CCK 1Mbps, data rate 0 */
- {BRCM_RATE_2M, 0x08}, /* CCK 2Mbps, data rate 1 */
- {BRCM_RATE_5M5, 0x10}, /* CCK 5.5Mbps, data rate 2 */
- {BRCM_RATE_11M, 0x18}, /* CCK 11Mbps, data rate 3 */
- /* OFDM 6Mbps, code rate 1/2, BPSK, 1 spatial stream */
- {BRCM_RATE_6M, 0x00},
- /* OFDM 9Mbps, code rate 3/4, BPSK, 1 spatial stream */
- {BRCM_RATE_9M, 0x02},
- /* OFDM 12Mbps, code rate 1/2, QPSK, 1 spatial stream */
- {BRCM_RATE_12M, 0x08},
- /* OFDM 18Mbps, code rate 3/4, QPSK, 1 spatial stream */
- {BRCM_RATE_18M, 0x0A},
- /* OFDM 24Mbps, code rate 1/2, 16-QAM, 1 spatial stream */
- {BRCM_RATE_24M, 0x10},
- /* OFDM 36Mbps, code rate 3/4, 16-QAM, 1 spatial stream */
- {BRCM_RATE_36M, 0x12},
- /* OFDM 48Mbps, code rate 2/3, 64-QAM, 1 spatial stream */
- {BRCM_RATE_48M, 0x19},
- /* OFDM 54Mbps, code rate 3/4, 64-QAM, 1 spatial stream */
- {BRCM_RATE_54M, 0x1A},
-};
-
-/* Hardware rates (also encodes default basic rates) */
-
-const struct brcms_c_rateset cck_ofdm_mimo_rates = {
- 12,
- /* 1b, 2b, 5.5b, 6, 9, 11b, 12, 18, 24, 36, 48, */
- { 0x82, 0x84, 0x8b, 0x0c, 0x12, 0x96, 0x18, 0x24, 0x30, 0x48, 0x60,
- /* 54 Mbps */
- 0x6c},
- 0x00,
- { 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00}
-};
-
-const struct brcms_c_rateset ofdm_mimo_rates = {
- 8,
- /* 6b, 9, 12b, 18, 24b, 36, 48, 54 Mbps */
- { 0x8c, 0x12, 0x98, 0x24, 0xb0, 0x48, 0x60, 0x6c},
- 0x00,
- { 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00}
-};
-
-/* Default ratesets that include MCS32 for 40BW channels */
-static const struct brcms_c_rateset cck_ofdm_40bw_mimo_rates = {
- 12,
- /* 1b, 2b, 5.5b, 6, 9, 11b, 12, 18, 24, 36, 48 */
- { 0x82, 0x84, 0x8b, 0x0c, 0x12, 0x96, 0x18, 0x24, 0x30, 0x48, 0x60,
- /* 54 Mbps */
- 0x6c},
- 0x00,
- { 0xff, 0xff, 0xff, 0xff, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00}
-};
-
-static const struct brcms_c_rateset ofdm_40bw_mimo_rates = {
- 8,
- /* 6b, 9, 12b, 18, 24b, 36, 48, 54 Mbps */
- { 0x8c, 0x12, 0x98, 0x24, 0xb0, 0x48, 0x60, 0x6c},
- 0x00,
- { 0xff, 0xff, 0xff, 0xff, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00}
-};
-
-const struct brcms_c_rateset cck_ofdm_rates = {
- 12,
- /* 1b, 2b, 5.5b, 6, 9, 11b, 12, 18, 24, 36, 48,*/
- { 0x82, 0x84, 0x8b, 0x0c, 0x12, 0x96, 0x18, 0x24, 0x30, 0x48, 0x60,
- /*54 Mbps */
- 0x6c},
- 0x00,
- { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00}
-};
-
-const struct brcms_c_rateset gphy_legacy_rates = {
- 4,
- /* 1b, 2b, 5.5b, 11b Mbps */
- { 0x82, 0x84, 0x8b, 0x96},
- 0x00,
- { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00}
-};
-
-const struct brcms_c_rateset ofdm_rates = {
- 8,
- /* 6b, 9, 12b, 18, 24b, 36, 48, 54 Mbps */
- { 0x8c, 0x12, 0x98, 0x24, 0xb0, 0x48, 0x60, 0x6c},
- 0x00,
- { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00}
-};
-
-const struct brcms_c_rateset cck_rates = {
- 4,
- /* 1b, 2b, 5.5, 11 Mbps */
- { 0x82, 0x84, 0x0b, 0x16},
- 0x00,
- { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00}
-};
-
-/* check if rateset is valid.
- * if check_brate is true, rateset without a basic rate is considered NOT valid.
- */
-static bool brcms_c_rateset_valid(struct brcms_c_rateset *rs, bool check_brate)
-{
- uint idx;
-
- if (!rs->count)
- return false;
-
- if (!check_brate)
- return true;
-
- /* error if no basic rates */
- for (idx = 0; idx < rs->count; idx++) {
- if (rs->rates[idx] & BRCMS_RATE_FLAG)
- return true;
- }
- return false;
-}
-
-void brcms_c_rateset_mcs_upd(struct brcms_c_rateset *rs, u8 txstreams)
-{
- int i;
- for (i = txstreams; i < MAX_STREAMS_SUPPORTED; i++)
- rs->mcs[i] = 0;
-}
-
-/*
- * filter based on hardware rateset, and sort filtered rateset with basic
- * bit(s) preserved, and check if resulting rateset is valid.
-*/
-bool
-brcms_c_rate_hwrs_filter_sort_validate(struct brcms_c_rateset *rs,
- const struct brcms_c_rateset *hw_rs,
- bool check_brate, u8 txstreams)
-{
- u8 rateset[BRCM_MAXRATE + 1];
- u8 r;
- uint count;
- uint i;
-
- memset(rateset, 0, sizeof(rateset));
- count = rs->count;
-
- for (i = 0; i < count; i++) {
- /* mask off "basic rate" bit, BRCMS_RATE_FLAG */
- r = (int)rs->rates[i] & BRCMS_RATE_MASK;
- if ((r > BRCM_MAXRATE) || (rate_info[r] == 0))
- continue;
- rateset[r] = rs->rates[i]; /* preserve basic bit! */
- }
-
- /* fill out the rates in order, looking at only supported rates */
- count = 0;
- for (i = 0; i < hw_rs->count; i++) {
- r = hw_rs->rates[i] & BRCMS_RATE_MASK;
- if (rateset[r])
- rs->rates[count++] = rateset[r];
- }
-
- rs->count = count;
-
- /* only set the mcs rate bit if the equivalent hw mcs bit is set */
- for (i = 0; i < MCSSET_LEN; i++)
- rs->mcs[i] = (rs->mcs[i] & hw_rs->mcs[i]);
-
- if (brcms_c_rateset_valid(rs, check_brate))
- return true;
- else
- return false;
-}
-
-/* calculate the rate of a rx'd frame and return it as a ratespec */
-u32 brcms_c_compute_rspec(struct d11rxhdr *rxh, u8 *plcp)
-{
- int phy_type;
- u32 rspec = PHY_TXC1_BW_20MHZ << RSPEC_BW_SHIFT;
-
- phy_type =
- ((rxh->RxChan & RXS_CHAN_PHYTYPE_MASK) >> RXS_CHAN_PHYTYPE_SHIFT);
-
- if ((phy_type == PHY_TYPE_N) || (phy_type == PHY_TYPE_SSN) ||
- (phy_type == PHY_TYPE_LCN) || (phy_type == PHY_TYPE_HT)) {
- switch (rxh->PhyRxStatus_0 & PRXS0_FT_MASK) {
- case PRXS0_CCK:
- rspec =
- cck_phy2mac_rate(
- ((struct cck_phy_hdr *) plcp)->signal);
- break;
- case PRXS0_OFDM:
- rspec =
- ofdm_phy2mac_rate(
- ((struct ofdm_phy_hdr *) plcp)->rlpt[0]);
- break;
- case PRXS0_PREN:
- rspec = (plcp[0] & MIMO_PLCP_MCS_MASK) | RSPEC_MIMORATE;
- if (plcp[0] & MIMO_PLCP_40MHZ) {
- /* indicate rspec is for 40 MHz mode */
- rspec &= ~RSPEC_BW_MASK;
- rspec |= (PHY_TXC1_BW_40MHZ << RSPEC_BW_SHIFT);
- }
- break;
- case PRXS0_STDN:
- /* fallthru */
- default:
- /* not supported, error condition */
- break;
- }
- if (plcp3_issgi(plcp[3]))
- rspec |= RSPEC_SHORT_GI;
- } else
- if ((phy_type == PHY_TYPE_A) || (rxh->PhyRxStatus_0 & PRXS0_OFDM))
- rspec = ofdm_phy2mac_rate(
- ((struct ofdm_phy_hdr *) plcp)->rlpt[0]);
- else
- rspec = cck_phy2mac_rate(
- ((struct cck_phy_hdr *) plcp)->signal);
-
- return rspec;
-}
-
-/* copy rateset src to dst as-is (no masking or sorting) */
-void brcms_c_rateset_copy(const struct brcms_c_rateset *src,
- struct brcms_c_rateset *dst)
-{
- memcpy(dst, src, sizeof(struct brcms_c_rateset));
-}
-
-/*
- * Copy and selectively filter one rateset to another.
- * 'basic_only' means only copy basic rates.
- * 'rates' indicates cck (11b) and ofdm rates combinations.
- * - 0: cck and ofdm
- * - 1: cck only
- * - 2: ofdm only
- * 'xmask' is the copy mask (typically 0x7f or 0xff).
- */
-void
-brcms_c_rateset_filter(struct brcms_c_rateset *src, struct brcms_c_rateset *dst,
- bool basic_only, u8 rates, uint xmask, bool mcsallow)
-{
- uint i;
- uint r;
- uint count;
-
- count = 0;
- for (i = 0; i < src->count; i++) {
- r = src->rates[i];
- if (basic_only && !(r & BRCMS_RATE_FLAG))
- continue;
- if (rates == BRCMS_RATES_CCK &&
- is_ofdm_rate((r & BRCMS_RATE_MASK)))
- continue;
- if (rates == BRCMS_RATES_OFDM &&
- is_cck_rate((r & BRCMS_RATE_MASK)))
- continue;
- dst->rates[count++] = r & xmask;
- }
- dst->count = count;
- dst->htphy_membership = src->htphy_membership;
-
- if (mcsallow && rates != BRCMS_RATES_CCK)
- memcpy(&dst->mcs[0], &src->mcs[0], MCSSET_LEN);
- else
- brcms_c_rateset_mcs_clear(dst);
-}
-
-/* select rateset for a given phy_type and bandtype and filter it, sort it
- * and fill rs_tgt with result
- */
-void
-brcms_c_rateset_default(struct brcms_c_rateset *rs_tgt,
- const struct brcms_c_rateset *rs_hw,
- uint phy_type, int bandtype, bool cck_only,
- uint rate_mask, bool mcsallow, u8 bw, u8 txstreams)
-{
- const struct brcms_c_rateset *rs_dflt;
- struct brcms_c_rateset rs_sel;
- if ((PHYTYPE_IS(phy_type, PHY_TYPE_HT)) ||
- (PHYTYPE_IS(phy_type, PHY_TYPE_N)) ||
- (PHYTYPE_IS(phy_type, PHY_TYPE_LCN)) ||
- (PHYTYPE_IS(phy_type, PHY_TYPE_SSN))) {
- if (bandtype == BRCM_BAND_5G)
- rs_dflt = (bw == BRCMS_20_MHZ ?
- &ofdm_mimo_rates : &ofdm_40bw_mimo_rates);
- else
- rs_dflt = (bw == BRCMS_20_MHZ ?
- &cck_ofdm_mimo_rates :
- &cck_ofdm_40bw_mimo_rates);
- } else if (PHYTYPE_IS(phy_type, PHY_TYPE_LP)) {
- rs_dflt = (bandtype == BRCM_BAND_5G) ?
- &ofdm_rates : &cck_ofdm_rates;
- } else if (PHYTYPE_IS(phy_type, PHY_TYPE_A)) {
- rs_dflt = &ofdm_rates;
- } else if (PHYTYPE_IS(phy_type, PHY_TYPE_G)) {
- rs_dflt = &cck_ofdm_rates;
- } else {
- /* should not happen, error condition */
- rs_dflt = &cck_rates; /* force cck */
- }
-
- /* if hw rateset is not supplied, assign selected rateset to it */
- if (!rs_hw)
- rs_hw = rs_dflt;
-
- brcms_c_rateset_copy(rs_dflt, &rs_sel);
- brcms_c_rateset_mcs_upd(&rs_sel, txstreams);
- brcms_c_rateset_filter(&rs_sel, rs_tgt, false,
- cck_only ? BRCMS_RATES_CCK : BRCMS_RATES_CCK_OFDM,
- rate_mask, mcsallow);
- brcms_c_rate_hwrs_filter_sort_validate(rs_tgt, rs_hw, false,
- mcsallow ? txstreams : 1);
-}
-
-s16 brcms_c_rate_legacy_phyctl(uint rate)
-{
- uint i;
- for (i = 0; i < LEGACY_PHYCFG_TABLE_SIZE; i++)
- if (rate == legacy_phycfg_table[i].rate_ofdm)
- return legacy_phycfg_table[i].tx_phy_ctl3;
-
- return -1;
-}
-
-void brcms_c_rateset_mcs_clear(struct brcms_c_rateset *rateset)
-{
- uint i;
- for (i = 0; i < MCSSET_LEN; i++)
- rateset->mcs[i] = 0;
-}
-
-void brcms_c_rateset_mcs_build(struct brcms_c_rateset *rateset, u8 txstreams)
-{
- memcpy(&rateset->mcs[0], &cck_ofdm_mimo_rates.mcs[0], MCSSET_LEN);
- brcms_c_rateset_mcs_upd(rateset, txstreams);
-}
-
-/* Based on bandwidth passed, allow/disallow MCS 32 in the rateset */
-void brcms_c_rateset_bw_mcs_filter(struct brcms_c_rateset *rateset, u8 bw)
-{
- if (bw == BRCMS_40_MHZ)
- setbit(rateset->mcs, 32);
- else
- clrbit(rateset->mcs, 32);
-}
generated by cgit (git 2.34.1) at 2025-04-29 07:09:19 +0000