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authorJuuso Oikarinen <juuso.oikarinen@nokia.com>2009-10-13 13:47:41 +0400
committerJohn W. Linville <linville@tuxdriver.com>2009-10-27 23:48:08 +0300
commit45b531a86f93c82d8e390e19a6258111b3627bb0 (patch)
tree8e574f2332a6f91666e5f1830204d624535cbb69
parent8793f9bb19c00b26532e37f1f516e1d9c7bc0476 (diff)
downloadlinux-45b531a86f93c82d8e390e19a6258111b3627bb0.tar.xz
wl1271: Add config structure for TX path parameters
Add a configuration structure for TX path parameters, and set defalt configuration values there. Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com> Reviewed-by: Luciano Coelho <luciano.coelho@nokia.com> Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
-rw-r--r--drivers/net/wireless/wl12xx/wl1271.h2
-rw-r--r--drivers/net/wireless/wl12xx/wl1271_acx.c54
-rw-r--r--drivers/net/wireless/wl12xx/wl1271_acx.h37
-rw-r--r--drivers/net/wireless/wl12xx/wl1271_cmd.c6
-rw-r--r--drivers/net/wireless/wl12xx/wl1271_conf.h187
-rw-r--r--drivers/net/wireless/wl12xx/wl1271_init.c2
-rw-r--r--drivers/net/wireless/wl12xx/wl1271_main.c103
7 files changed, 321 insertions, 70 deletions
diff --git a/drivers/net/wireless/wl12xx/wl1271.h b/drivers/net/wireless/wl12xx/wl1271.h
index 64a327009f2e..985e8964c2f7 100644
--- a/drivers/net/wireless/wl12xx/wl1271.h
+++ b/drivers/net/wireless/wl12xx/wl1271.h
@@ -107,7 +107,7 @@ enum {
CFG_RX_CTL_EN | CFG_RX_BCN_EN | \
CFG_RX_AUTH_EN | CFG_RX_ASSOC_EN)
-#define WL1271_DEFAULT_BASIC_RATE_SET (ACX_RATE_MASK_ALL)
+#define WL1271_DEFAULT_BASIC_RATE_SET (CONF_TX_RATE_MASK_ALL)
#define WL1271_FW_NAME "wl1271-fw.bin"
#define WL1271_NVS_NAME "wl1271-nvs.bin"
diff --git a/drivers/net/wireless/wl12xx/wl1271_acx.c b/drivers/net/wireless/wl12xx/wl1271_acx.c
index 63aa64618e1b..038203bcf447 100644
--- a/drivers/net/wireless/wl12xx/wl1271_acx.c
+++ b/drivers/net/wireless/wl12xx/wl1271_acx.c
@@ -558,7 +558,7 @@ int wl1271_acx_cca_threshold(struct wl1271 *wl)
}
detection->rx_cca_threshold = wl->conf.rx.rx_cca_threshold;
- detection->tx_energy_detection = 0;
+ detection->tx_energy_detection = wl->conf.tx.tx_energy_detection;
ret = wl1271_cmd_configure(wl, ACX_CCA_THRESHOLD,
detection, sizeof(*detection));
@@ -729,6 +729,7 @@ int wl1271_acx_statistics(struct wl1271 *wl, struct acx_statistics *stats)
int wl1271_acx_rate_policies(struct wl1271 *wl, u32 enabled_rates)
{
struct acx_rate_policy *acx;
+ struct conf_tx_rate_class *c = &wl->conf.tx.rc_conf;
int ret = 0;
wl1271_debug(DEBUG_ACX, "acx rate policies");
@@ -743,9 +744,9 @@ int wl1271_acx_rate_policies(struct wl1271 *wl, u32 enabled_rates)
/* configure one default (one-size-fits-all) rate class */
acx->rate_class_cnt = 1;
acx->rate_class[0].enabled_rates = enabled_rates;
- acx->rate_class[0].short_retry_limit = ACX_RATE_RETRY_LIMIT;
- acx->rate_class[0].long_retry_limit = ACX_RATE_RETRY_LIMIT;
- acx->rate_class[0].aflags = 0;
+ acx->rate_class[0].short_retry_limit = c->short_retry_limit;
+ acx->rate_class[0].long_retry_limit = c->long_retry_limit;
+ acx->rate_class[0].aflags = c->aflags;
ret = wl1271_cmd_configure(wl, ACX_RATE_POLICY, acx, sizeof(*acx));
if (ret < 0) {
@@ -772,22 +773,14 @@ int wl1271_acx_ac_cfg(struct wl1271 *wl)
goto out;
}
- /*
- * FIXME: Configure each AC with appropriate values (most suitable
- * values will probably be different for each AC.
- */
- for (i = 0; i < WL1271_ACX_AC_COUNT; i++) {
- acx->ac = i;
-
- /*
- * FIXME: The following default values originate from
- * the TI reference driver. What do they mean?
- */
- acx->cw_min = 15;
- acx->cw_max = 63;
- acx->aifsn = 3;
+ for (i = 0; i < wl->conf.tx.ac_conf_count; i++) {
+ struct conf_tx_ac_category *c = &(wl->conf.tx.ac_conf[i]);
+ acx->ac = c->ac;
+ acx->cw_min = c->cw_min;
+ acx->cw_max = c->cw_max;
+ acx->aifsn = c->aifsn;
acx->reserved = 0;
- acx->tx_op_limit = 0;
+ acx->tx_op_limit = c->tx_op_limit;
ret = wl1271_cmd_configure(wl, ACX_AC_CFG, acx, sizeof(*acx));
if (ret < 0) {
@@ -816,12 +809,15 @@ int wl1271_acx_tid_cfg(struct wl1271 *wl)
goto out;
}
- /* FIXME: configure each TID with a different AC reference */
- for (i = 0; i < WL1271_ACX_TID_COUNT; i++) {
- acx->queue_id = i;
- acx->tsid = WL1271_ACX_AC_BE;
- acx->ps_scheme = WL1271_ACX_PS_SCHEME_LEGACY;
- acx->ack_policy = WL1271_ACX_ACK_POLICY_LEGACY;
+ for (i = 0; i < wl->conf.tx.tid_conf_count; i++) {
+ struct conf_tx_tid *c = &(wl->conf.tx.tid_conf[i]);
+ acx->queue_id = c->queue_id;
+ acx->channel_type = c->channel_type;
+ acx->tsid = c->tsid;
+ acx->ps_scheme = c->ps_scheme;
+ acx->ack_policy = c->ack_policy;
+ acx->apsd_conf[0] = c->apsd_conf[0];
+ acx->apsd_conf[1] = c->apsd_conf[1];
ret = wl1271_cmd_configure(wl, ACX_TID_CFG, acx, sizeof(*acx));
if (ret < 0) {
@@ -849,7 +845,7 @@ int wl1271_acx_frag_threshold(struct wl1271 *wl)
goto out;
}
- acx->frag_threshold = IEEE80211_MAX_FRAG_THRESHOLD;
+ acx->frag_threshold = wl->conf.tx.frag_threshold;
ret = wl1271_cmd_configure(wl, ACX_FRAG_CFG, acx, sizeof(*acx));
if (ret < 0) {
wl1271_warning("Setting of frag threshold failed: %d", ret);
@@ -875,8 +871,8 @@ int wl1271_acx_tx_config_options(struct wl1271 *wl)
goto out;
}
- acx->tx_compl_timeout = WL1271_ACX_TX_COMPL_TIMEOUT;
- acx->tx_compl_threshold = WL1271_ACX_TX_COMPL_THRESHOLD;
+ acx->tx_compl_timeout = wl->conf.tx.tx_compl_timeout;
+ acx->tx_compl_threshold = wl->conf.tx.tx_compl_threshold;
ret = wl1271_cmd_configure(wl, ACX_TX_CONFIG_OPT, acx, sizeof(*acx));
if (ret < 0) {
wl1271_warning("Setting of tx options failed: %d", ret);
@@ -929,7 +925,7 @@ int wl1271_acx_init_mem_config(struct wl1271 *wl)
return ret;
wl->target_mem_map = kzalloc(sizeof(struct wl1271_acx_mem_map),
- GFP_KERNEL);
+ GFP_KERNEL);
if (!wl->target_mem_map) {
wl1271_error("couldn't allocate target memory map");
return -ENOMEM;
diff --git a/drivers/net/wireless/wl12xx/wl1271_acx.h b/drivers/net/wireless/wl12xx/wl1271_acx.h
index 1fbd4e5fcc44..63cddceb39a4 100644
--- a/drivers/net/wireless/wl12xx/wl1271_acx.h
+++ b/drivers/net/wireless/wl12xx/wl1271_acx.h
@@ -850,11 +850,6 @@ struct acx_statistics {
struct acx_rxpipe_statistics rxpipe;
} __attribute__ ((packed));
-#define ACX_MAX_RATE_CLASSES 8
-#define ACX_RATE_MASK_UNSPECIFIED 0
-#define ACX_RATE_MASK_ALL 0x1eff
-#define ACX_RATE_RETRY_LIMIT 10
-
struct acx_rate_class {
u32 enabled_rates;
u8 short_retry_limit;
@@ -867,11 +862,9 @@ struct acx_rate_policy {
struct acx_header header;
u32 rate_class_cnt;
- struct acx_rate_class rate_class[ACX_MAX_RATE_CLASSES];
+ struct acx_rate_class rate_class[CONF_TX_MAX_RATE_CLASSES];
} __attribute__ ((packed));
-#define WL1271_ACX_AC_COUNT 4
-
struct acx_ac_cfg {
struct acx_header header;
u8 ac;
@@ -882,31 +875,6 @@ struct acx_ac_cfg {
u16 tx_op_limit;
} __attribute__ ((packed));
-enum wl1271_acx_ac {
- WL1271_ACX_AC_BE = 0,
- WL1271_ACX_AC_BK = 1,
- WL1271_ACX_AC_VI = 2,
- WL1271_ACX_AC_VO = 3,
- WL1271_ACX_AC_CTS2SELF = 4,
- WL1271_ACX_AC_ANY_TID = 0x1F,
- WL1271_ACX_AC_INVALID = 0xFF,
-};
-
-enum wl1271_acx_ps_scheme {
- WL1271_ACX_PS_SCHEME_LEGACY = 0,
- WL1271_ACX_PS_SCHEME_UPSD_TRIGGER = 1,
- WL1271_ACX_PS_SCHEME_LEGACY_PSPOLL = 2,
- WL1271_ACX_PS_SCHEME_SAPSD = 3,
-};
-
-enum wl1271_acx_ack_policy {
- WL1271_ACX_ACK_POLICY_LEGACY = 0,
- WL1271_ACX_ACK_POLICY_NO_ACK = 1,
- WL1271_ACX_ACK_POLICY_BLOCK = 2,
-};
-
-#define WL1271_ACX_TID_COUNT 7
-
struct acx_tid_config {
struct acx_header header;
u8 queue_id;
@@ -924,9 +892,6 @@ struct acx_frag_threshold {
u8 padding[2];
} __attribute__ ((packed));
-#define WL1271_ACX_TX_COMPL_TIMEOUT 5
-#define WL1271_ACX_TX_COMPL_THRESHOLD 5
-
struct acx_tx_config_options {
struct acx_header header;
u16 tx_compl_timeout; /* msec */
diff --git a/drivers/net/wireless/wl12xx/wl1271_cmd.c b/drivers/net/wireless/wl12xx/wl1271_cmd.c
index c7a8a64d18dd..f05bd7797fb7 100644
--- a/drivers/net/wireless/wl12xx/wl1271_cmd.c
+++ b/drivers/net/wireless/wl12xx/wl1271_cmd.c
@@ -626,9 +626,9 @@ int wl1271_cmd_template_set(struct wl1271 *wl, u16 template_id,
cmd->len = cpu_to_le16(buf_len);
cmd->template_type = template_id;
- cmd->enabled_rates = ACX_RATE_MASK_UNSPECIFIED;
- cmd->short_retry_limit = ACX_RATE_RETRY_LIMIT;
- cmd->long_retry_limit = ACX_RATE_RETRY_LIMIT;
+ cmd->enabled_rates = wl->conf.tx.rc_conf.enabled_rates;
+ cmd->short_retry_limit = wl->conf.tx.rc_conf.short_retry_limit;
+ cmd->long_retry_limit = wl->conf.tx.rc_conf.long_retry_limit;
if (buf)
memcpy(cmd->template_data, buf, buf_len);
diff --git a/drivers/net/wireless/wl12xx/wl1271_conf.h b/drivers/net/wireless/wl12xx/wl1271_conf.h
index 8bf8bff54b59..3c5ce3100e6e 100644
--- a/drivers/net/wireless/wl12xx/wl1271_conf.h
+++ b/drivers/net/wireless/wl12xx/wl1271_conf.h
@@ -255,9 +255,196 @@ struct conf_rx_settings {
u8 queue_type;
};
+#define CONF_TX_MAX_RATE_CLASSES 8
+
+#define CONF_TX_RATE_MASK_UNSPECIFIED 0
+#define CONF_TX_RATE_MASK_ALL 0x1eff
+#define CONF_TX_RATE_RETRY_LIMIT 10
+
+struct conf_tx_rate_class {
+
+ /*
+ * The rates enabled for this rate class.
+ *
+ * Range: CONF_HW_BIT_RATE_* bit mask
+ */
+ u32 enabled_rates;
+
+ /*
+ * The dot11 short retry limit used for TX retries.
+ *
+ * Range: u8
+ */
+ u8 short_retry_limit;
+
+ /*
+ * The dot11 long retry limit used for TX retries.
+ *
+ * Range: u8
+ */
+ u8 long_retry_limit;
+
+ /*
+ * Flags controlling the attributes of TX transmission.
+ *
+ * Range: bit 0: Truncate - when set, FW attempts to send a frame stop
+ * when the total valid per-rate attempts have
+ * been exhausted; otherwise transmissions
+ * will continue at the lowest available rate
+ * until the appropriate one of the
+ * short_retry_limit, long_retry_limit,
+ * dot11_max_transmit_msdu_life_time, or
+ * max_tx_life_time, is exhausted.
+ * 1: Preamble Override - indicates if the preamble type
+ * should be used in TX.
+ * 2: Preamble Type - the type of the preamble to be used by
+ * the policy (0 - long preamble, 1 - short preamble.
+ */
+ u8 aflags;
+};
+
+#define CONF_TX_MAX_AC_COUNT 4
+
+/* Slot number setting to start transmission at PIFS interval */
+#define CONF_TX_AIFS_PIFS 1
+/* Slot number setting to start transmission at DIFS interval normal
+ * DCF access */
+#define CONF_TX_AIFS_DIFS 2
+
+
+enum conf_tx_ac {
+ CONF_TX_AC_BE = 0, /* best effort / legacy */
+ CONF_TX_AC_BK = 1, /* background */
+ CONF_TX_AC_VI = 2, /* video */
+ CONF_TX_AC_VO = 3, /* voice */
+ CONF_TX_AC_CTS2SELF = 4, /* fictious AC, follows AC_VO */
+ CONF_TX_AC_ANY_TID = 0x1f
+};
+
+struct conf_tx_ac_category {
+ /*
+ * The AC class identifier.
+ *
+ * Range: enum conf_tx_ac
+ */
+ u8 ac;
+
+ /*
+ * The contention window minimum size (in slots) for the access
+ * class.
+ *
+ * Range: u8
+ */
+ u8 cw_min;
+
+ /*
+ * The contention window maximum size (in slots) for the access
+ * class.
+ *
+ * Range: u8
+ */
+ u16 cw_max;
+
+ /*
+ * The AIF value (in slots) for the access class.
+ *
+ * Range: u8
+ */
+ u8 aifsn;
+
+ /*
+ * The TX Op Limit (in microseconds) for the access class.
+ *
+ * Range: u16
+ */
+ u16 tx_op_limit;
+};
+
+#define CONF_TX_MAX_TID_COUNT 7
+
+enum {
+ CONF_CHANNEL_TYPE_DCF = 0, /* DC/LEGACY*/
+ CONF_CHANNEL_TYPE_EDCF = 1, /* EDCA*/
+ CONF_CHANNEL_TYPE_HCCA = 2, /* HCCA*/
+};
+
+enum {
+ CONF_PS_SCHEME_LEGACY = 0,
+ CONF_PS_SCHEME_UPSD_TRIGGER = 1,
+ CONF_PS_SCHEME_LEGACY_PSPOLL = 2,
+ CONF_PS_SCHEME_SAPSD = 3,
+};
+
+enum {
+ CONF_ACK_POLICY_LEGACY = 0,
+ CONF_ACK_POLICY_NO_ACK = 1,
+ CONF_ACK_POLICY_BLOCK = 2,
+};
+
+
+struct conf_tx_tid {
+ u8 queue_id;
+ u8 channel_type;
+ u8 tsid;
+ u8 ps_scheme;
+ u8 ack_policy;
+ u32 apsd_conf[2];
+};
+
+struct conf_tx_settings {
+ /*
+ * The TX ED value for TELEC Enable/Disable.
+ *
+ * Range: 0, 1
+ */
+ u8 tx_energy_detection;
+
+ /*
+ * Configuration for rate classes for TX (currently only one
+ * rate class supported.)
+ */
+ struct conf_tx_rate_class rc_conf;
+
+ /*
+ * Configuration for access categories for TX rate control.
+ */
+ u8 ac_conf_count;
+ struct conf_tx_ac_category ac_conf[CONF_TX_MAX_AC_COUNT];
+
+ /*
+ * Configuration for TID parameters.
+ */
+ u8 tid_conf_count;
+ struct conf_tx_tid tid_conf[CONF_TX_MAX_TID_COUNT];
+
+ /*
+ * The TX fragmentation threshold.
+ *
+ * Range: u16
+ */
+ u16 frag_threshold;
+
+ /*
+ * Max time in msec the FW may delay frame TX-Complete interrupt.
+ *
+ * Range: u16
+ */
+ u16 tx_compl_timeout;
+
+ /*
+ * Completed TX packet count which requires to issue the TX-Complete
+ * interrupt.
+ *
+ * Range: u16
+ */
+ u16 tx_compl_threshold;
+
+};
+
struct conf_drv_settings {
struct conf_sg_settings sg;
struct conf_rx_settings rx;
+ struct conf_tx_settings tx;
};
#endif
diff --git a/drivers/net/wireless/wl12xx/wl1271_init.c b/drivers/net/wireless/wl12xx/wl1271_init.c
index 57382631c1ad..a3fc4c97c518 100644
--- a/drivers/net/wireless/wl12xx/wl1271_init.c
+++ b/drivers/net/wireless/wl12xx/wl1271_init.c
@@ -382,7 +382,7 @@ int wl1271_hw_init(struct wl1271 *wl)
goto out_free_memmap;
/* Configure TX rate classes */
- ret = wl1271_acx_rate_policies(wl, ACX_RATE_MASK_ALL);
+ ret = wl1271_acx_rate_policies(wl, CONF_TX_RATE_MASK_ALL);
if (ret < 0)
goto out_free_memmap;
diff --git a/drivers/net/wireless/wl12xx/wl1271_main.c b/drivers/net/wireless/wl12xx/wl1271_main.c
index d04706de7f49..35d0b7efb680 100644
--- a/drivers/net/wireless/wl12xx/wl1271_main.c
+++ b/drivers/net/wireless/wl12xx/wl1271_main.c
@@ -73,6 +73,109 @@ static void wl1271_conf_init(struct wl1271 *wl)
.irq_pkt_threshold = USHORT_MAX,
.irq_timeout = 5,
.queue_type = CONF_RX_QUEUE_TYPE_LOW_PRIORITY,
+ },
+ .tx = {
+ .tx_energy_detection = 0,
+ .rc_conf = {
+ .enabled_rates =
+ CONF_TX_RATE_MASK_UNSPECIFIED,
+ .short_retry_limit = 10,
+ .long_retry_limit = 10,
+ .aflags = 0
+ },
+ .ac_conf_count = 4,
+ .ac_conf = {
+ [0] = {
+ .ac = CONF_TX_AC_BE,
+ .cw_min = 15,
+ .cw_max = 63,
+ .aifsn = 3,
+ .tx_op_limit = 0,
+ },
+ [1] = {
+ .ac = CONF_TX_AC_BK,
+ .cw_min = 15,
+ .cw_max = 63,
+ .aifsn = 7,
+ .tx_op_limit = 0,
+ },
+ [2] = {
+ .ac = CONF_TX_AC_VI,
+ .cw_min = 15,
+ .cw_max = 63,
+ .aifsn = CONF_TX_AIFS_PIFS,
+ .tx_op_limit = 3008,
+ },
+ [3] = {
+ .ac = CONF_TX_AC_VO,
+ .cw_min = 15,
+ .cw_max = 63,
+ .aifsn = CONF_TX_AIFS_PIFS,
+ .tx_op_limit = 1504,
+ },
+ },
+ .tid_conf_count = 7,
+ .tid_conf = {
+ [0] = {
+ .queue_id = 0,
+ .channel_type = CONF_CHANNEL_TYPE_DCF,
+ .tsid = CONF_TX_AC_BE,
+ .ps_scheme = CONF_PS_SCHEME_LEGACY,
+ .ack_policy = CONF_ACK_POLICY_LEGACY,
+ .apsd_conf = {0, 0},
+ },
+ [1] = {
+ .queue_id = 1,
+ .channel_type = CONF_CHANNEL_TYPE_DCF,
+ .tsid = CONF_TX_AC_BE,
+ .ps_scheme = CONF_PS_SCHEME_LEGACY,
+ .ack_policy = CONF_ACK_POLICY_LEGACY,
+ .apsd_conf = {0, 0},
+ },
+ [2] = {
+ .queue_id = 2,
+ .channel_type = CONF_CHANNEL_TYPE_DCF,
+ .tsid = CONF_TX_AC_BE,
+ .ps_scheme = CONF_PS_SCHEME_LEGACY,
+ .ack_policy = CONF_ACK_POLICY_LEGACY,
+ .apsd_conf = {0, 0},
+ },
+ [3] = {
+ .queue_id = 3,
+ .channel_type = CONF_CHANNEL_TYPE_DCF,
+ .tsid = CONF_TX_AC_BE,
+ .ps_scheme = CONF_PS_SCHEME_LEGACY,
+ .ack_policy = CONF_ACK_POLICY_LEGACY,
+ .apsd_conf = {0, 0},
+ },
+ [4] = {
+ .queue_id = 4,
+ .channel_type = CONF_CHANNEL_TYPE_DCF,
+ .tsid = CONF_TX_AC_BE,
+ .ps_scheme = CONF_PS_SCHEME_LEGACY,
+ .ack_policy = CONF_ACK_POLICY_LEGACY,
+ .apsd_conf = {0, 0},
+ },
+ [5] = {
+ .queue_id = 5,
+ .channel_type = CONF_CHANNEL_TYPE_DCF,
+ .tsid = CONF_TX_AC_BE,
+ .ps_scheme = CONF_PS_SCHEME_LEGACY,
+ .ack_policy = CONF_ACK_POLICY_LEGACY,
+ .apsd_conf = {0, 0},
+ },
+ [6] = {
+ .queue_id = 6,
+ .channel_type = CONF_CHANNEL_TYPE_DCF,
+ .tsid = CONF_TX_AC_BE,
+ .ps_scheme = CONF_PS_SCHEME_LEGACY,
+ .ack_policy = CONF_ACK_POLICY_LEGACY,
+ .apsd_conf = {0, 0},
+ }
+ },
+ .frag_threshold = IEEE80211_MAX_FRAG_THRESHOLD,
+ .tx_compl_timeout = 5,
+ .tx_compl_threshold = 5
}
};