brcmutil: add new d11 interface support
802.11 core interface is upgraded with 11ac support. Add channel spec support
code to brcmutil.
Reviewed-by: Hante Meuleman <meuleman@broadcom.com>
Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Reviewed-by: Arend van Spriel <arend@broadcom.com>
Reviewed-by: Piotr Haber <phaber@broadcom.com>
Signed-off-by: Franky Lin <frankyl@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/brcm80211/brcmutil/d11.c b/drivers/net/wireless/brcm80211/brcmutil/d11.c
new file mode 100644
index 0000000..30e54e2
--- /dev/null
+++ b/drivers/net/wireless/brcm80211/brcmutil/d11.c
@@ -0,0 +1,162 @@
+/*
+ * Copyright (c) 2013 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.
+ */
+/*********************channel spec common functions*********************/
+
+#include <linux/module.h>
+
+#include <brcmu_utils.h>
+#include <brcmu_wifi.h>
+#include <brcmu_d11.h>
+
+static void brcmu_d11n_encchspec(struct brcmu_chan *ch)
+{
+ ch->chspec = ch->chnum & BRCMU_CHSPEC_CH_MASK;
+
+ switch (ch->bw) {
+ case BRCMU_CHAN_BW_20:
+ ch->chspec |= BRCMU_CHSPEC_D11N_BW_20 | BRCMU_CHSPEC_D11N_SB_N;
+ break;
+ case BRCMU_CHAN_BW_40:
+ default:
+ WARN_ON_ONCE(1);
+ break;
+ }
+
+ if (ch->chnum <= CH_MAX_2G_CHANNEL)
+ ch->chspec |= BRCMU_CHSPEC_D11N_BND_2G;
+ else
+ ch->chspec |= BRCMU_CHSPEC_D11N_BND_5G;
+}
+
+static void brcmu_d11ac_encchspec(struct brcmu_chan *ch)
+{
+ ch->chspec = ch->chnum & BRCMU_CHSPEC_CH_MASK;
+
+ switch (ch->bw) {
+ case BRCMU_CHAN_BW_20:
+ ch->chspec |= BRCMU_CHSPEC_D11AC_BW_20;
+ break;
+ case BRCMU_CHAN_BW_40:
+ case BRCMU_CHAN_BW_80:
+ case BRCMU_CHAN_BW_80P80:
+ case BRCMU_CHAN_BW_160:
+ default:
+ WARN_ON_ONCE(1);
+ break;
+ }
+
+ if (ch->chnum <= CH_MAX_2G_CHANNEL)
+ ch->chspec |= BRCMU_CHSPEC_D11AC_BND_2G;
+ else
+ ch->chspec |= BRCMU_CHSPEC_D11AC_BND_5G;
+}
+
+static void brcmu_d11n_decchspec(struct brcmu_chan *ch)
+{
+ u16 val;
+
+ ch->chnum = (u8)(ch->chspec & BRCMU_CHSPEC_CH_MASK);
+
+ switch (ch->chspec & BRCMU_CHSPEC_D11N_BW_MASK) {
+ case BRCMU_CHSPEC_D11N_BW_20:
+ ch->bw = BRCMU_CHAN_BW_20;
+ break;
+ case BRCMU_CHSPEC_D11N_BW_40:
+ ch->bw = BRCMU_CHAN_BW_40;
+ val = ch->chspec & BRCMU_CHSPEC_D11N_SB_MASK;
+ if (val == BRCMU_CHSPEC_D11N_SB_L) {
+ ch->sb = BRCMU_CHAN_SB_L;
+ ch->chnum -= CH_10MHZ_APART;
+ } else {
+ ch->sb = BRCMU_CHAN_SB_U;
+ ch->chnum += CH_10MHZ_APART;
+ }
+ break;
+ default:
+ WARN_ON_ONCE(1);
+ break;
+ }
+
+ switch (ch->chspec & BRCMU_CHSPEC_D11N_BND_MASK) {
+ case BRCMU_CHSPEC_D11N_BND_5G:
+ ch->band = BRCMU_CHAN_BAND_5G;
+ break;
+ case BRCMU_CHSPEC_D11N_BND_2G:
+ ch->band = BRCMU_CHAN_BAND_2G;
+ break;
+ default:
+ WARN_ON_ONCE(1);
+ break;
+ }
+}
+
+static void brcmu_d11ac_decchspec(struct brcmu_chan *ch)
+{
+ u16 val;
+
+ ch->chnum = (u8)(ch->chspec & BRCMU_CHSPEC_CH_MASK);
+
+ switch (ch->chspec & BRCMU_CHSPEC_D11AC_BW_MASK) {
+ case BRCMU_CHSPEC_D11AC_BW_20:
+ ch->bw = BRCMU_CHAN_BW_20;
+ break;
+ case BRCMU_CHSPEC_D11AC_BW_40:
+ ch->bw = BRCMU_CHAN_BW_40;
+ val = ch->chspec & BRCMU_CHSPEC_D11AC_SB_MASK;
+ if (val == BRCMU_CHSPEC_D11AC_SB_L) {
+ ch->sb = BRCMU_CHAN_SB_L;
+ ch->chnum -= CH_10MHZ_APART;
+ } else if (val == BRCMU_CHSPEC_D11AC_SB_U) {
+ ch->sb = BRCMU_CHAN_SB_U;
+ ch->chnum += CH_10MHZ_APART;
+ } else {
+ WARN_ON_ONCE(1);
+ }
+ break;
+ case BRCMU_CHSPEC_D11AC_BW_80:
+ ch->bw = BRCMU_CHAN_BW_80;
+ break;
+ case BRCMU_CHSPEC_D11AC_BW_8080:
+ case BRCMU_CHSPEC_D11AC_BW_160:
+ default:
+ WARN_ON_ONCE(1);
+ break;
+ }
+
+ switch (ch->chspec & BRCMU_CHSPEC_D11AC_BND_MASK) {
+ case BRCMU_CHSPEC_D11AC_BND_5G:
+ ch->band = BRCMU_CHAN_BAND_5G;
+ break;
+ case BRCMU_CHSPEC_D11AC_BND_2G:
+ ch->band = BRCMU_CHAN_BAND_2G;
+ break;
+ default:
+ WARN_ON_ONCE(1);
+ break;
+ }
+}
+
+void brcmu_d11_attach(struct brcmu_d11inf *d11inf)
+{
+ if (d11inf->io_type == BRCMU_D11N_IOTYPE) {
+ d11inf->encchspec = brcmu_d11n_encchspec;
+ d11inf->decchspec = brcmu_d11n_decchspec;
+ } else {
+ d11inf->encchspec = brcmu_d11ac_encchspec;
+ d11inf->decchspec = brcmu_d11ac_decchspec;
+ }
+}
+EXPORT_SYMBOL(brcmu_d11_attach);