2023-07-25 16:39:11

by Dmitry Antipov

[permalink] [raw]
Subject: [PATCH 2/2] wifi: brcmsmac: cleanup SCB-related data types

Drop unused and set-but-unused fields of 'struct scb_ampdu_tid_ini',
'struct scb_ampdu' and 'struct scb', as well as now unused argument
of 'brcms_c_ampdu_tx_operational()', adjust related code.

Signed-off-by: Dmitry Antipov <[email protected]>
---
.../wireless/broadcom/brcm80211/brcmsmac/ampdu.c | 6 ------
.../broadcom/brcm80211/brcmsmac/mac80211_if.c | 8 +++-----
.../wireless/broadcom/brcm80211/brcmsmac/main.c | 2 --
.../net/wireless/broadcom/brcm80211/brcmsmac/pub.h | 2 +-
.../net/wireless/broadcom/brcm80211/brcmsmac/scb.h | 14 --------------
5 files changed, 4 insertions(+), 28 deletions(-)

diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmsmac/ampdu.c b/drivers/net/wireless/broadcom/brcm80211/brcmsmac/ampdu.c
index e24228e60027..e859075db716 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmsmac/ampdu.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmsmac/ampdu.c
@@ -476,11 +476,9 @@ static int brcms_c_ffpld_check_txfunfl(struct brcms_c_info *wlc, int fid)

void
brcms_c_ampdu_tx_operational(struct brcms_c_info *wlc, u8 tid,
- u8 ba_wsize, /* negotiated ba window size (in pdu) */
uint max_rx_ampdu_bytes) /* from ht_cap in beacon */
{
struct scb_ampdu *scb_ampdu;
- struct scb_ampdu_tid_ini *ini;
struct ampdu_info *ampdu = wlc->ampdu;
struct scb *scb = &wlc->pri_scb;
scb_ampdu = &scb->scb_ampdu;
@@ -491,10 +489,6 @@ brcms_c_ampdu_tx_operational(struct brcms_c_info *wlc, u8 tid,
return;
}

- ini = &scb_ampdu->ini[tid];
- ini->tid = tid;
- ini->scb = scb_ampdu->scb;
- ini->ba_wsize = ba_wsize;
scb_ampdu->max_rx_ampdu_bytes = max_rx_ampdu_bytes;
}

diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmsmac/mac80211_if.c b/drivers/net/wireless/broadcom/brcm80211/brcmsmac/mac80211_if.c
index 0bd4e679a359..543e93ec49d2 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmsmac/mac80211_if.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmsmac/mac80211_if.c
@@ -810,7 +810,6 @@ brcms_ops_sta_add(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
brcms_c_init_scb(scb);

wl->pub->global_ampdu = &(scb->scb_ampdu);
- wl->pub->global_ampdu->scb = scb;
wl->pub->global_ampdu->max_pdu = 16;

/*
@@ -831,7 +830,6 @@ brcms_ops_ampdu_action(struct ieee80211_hw *hw,
struct ieee80211_sta *sta = params->sta;
enum ieee80211_ampdu_mlme_action action = params->action;
u16 tid = params->tid;
- u8 buf_size = params->buf_size;

if (WARN_ON(scb->magic != SCB_MAGIC))
return -EIDRM;
@@ -863,11 +861,11 @@ brcms_ops_ampdu_action(struct ieee80211_hw *hw,
/*
* BA window size from ADDBA response ('buf_size') defines how
* many outstanding MPDUs are allowed for the BA stream by
- * recipient and traffic class. 'ampdu_factor' gives maximum
- * AMPDU size.
+ * recipient and traffic class (this is actually unused by the
+ * rest of the driver). 'ampdu_factor' gives maximum AMPDU size.
*/
spin_lock_bh(&wl->lock);
- brcms_c_ampdu_tx_operational(wl->wlc, tid, buf_size,
+ brcms_c_ampdu_tx_operational(wl->wlc, tid,
(1 << (IEEE80211_HT_MAX_AMPDU_FACTOR +
sta->deflink.ht_cap.ampdu_factor)) - 1);
spin_unlock_bh(&wl->lock);
diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmsmac/main.c b/drivers/net/wireless/broadcom/brcm80211/brcmsmac/main.c
index 11b33e78127c..b3663c5ef382 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmsmac/main.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmsmac/main.c
@@ -3147,10 +3147,8 @@ void brcms_c_init_scb(struct scb *scb)
scb->flags = SCB_WMECAP | SCB_HTCAP;
for (i = 0; i < NUMPRIO; i++) {
scb->seqnum[i] = 0;
- scb->seqctl[i] = 0xFFFF;
}

- scb->seqctl_nonqos = 0xFFFF;
scb->magic = SCB_MAGIC;
}

diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmsmac/pub.h b/drivers/net/wireless/broadcom/brcm80211/brcmsmac/pub.h
index 4da38cb4f318..bfc63b2f0537 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmsmac/pub.h
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmsmac/pub.h
@@ -297,7 +297,7 @@ struct brcms_pub *brcms_c_pub(struct brcms_c_info *wlc);
void brcms_c_ampdu_flush(struct brcms_c_info *wlc, struct ieee80211_sta *sta,
u16 tid);
void brcms_c_ampdu_tx_operational(struct brcms_c_info *wlc, u8 tid,
- u8 ba_wsize, uint max_rx_ampdu_bytes);
+ uint max_rx_ampdu_bytes);
int brcms_c_module_register(struct brcms_pub *pub, const char *name,
struct brcms_info *hdl,
int (*down_fn)(void *handle));
diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmsmac/scb.h b/drivers/net/wireless/broadcom/brcm80211/brcmsmac/scb.h
index 3a3d73699f83..d65561227da0 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmsmac/scb.h
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmsmac/scb.h
@@ -36,19 +36,13 @@

/* structure to store per-tid state for the ampdu initiator */
struct scb_ampdu_tid_ini {
- u8 tid; /* initiator tid for easy lookup */
/* tx retry count; indexed by seq modulo */
u8 txretry[AMPDU_TX_BA_MAX_WSIZE];
- struct scb *scb; /* backptr for easy lookup */
- u8 ba_wsize; /* negotiated ba window size (in pdu) */
};

struct scb_ampdu {
- struct scb *scb; /* back pointer for easy reference */
- u8 mpdu_density; /* mpdu density */
u8 max_pdu; /* max pdus allowed in ampdu */
u8 release; /* # of mpdus released at a time */
- u16 min_len; /* min mpdu len to support the density */
u32 max_rx_ampdu_bytes; /* max ampdu rcv length; 8k, 16k, 32k, 64k */

/*
@@ -64,15 +58,7 @@ struct scb_ampdu {
struct scb {
u32 magic;
u32 flags; /* various bit flags as defined below */
- u32 flags2; /* various bit flags2 as defined below */
- u8 state; /* current state bitfield of auth/assoc process */
- u8 ea[ETH_ALEN]; /* station address */
- uint fragresid[NUMPRIO];/* #bytes unused in frag buffer per prio */
-
u16 seqctl[NUMPRIO]; /* seqctl of last received frame (for dups) */
- /* seqctl of last received frame (for dups) for non-QoS data and
- * management */
- u16 seqctl_nonqos;
u16 seqnum[NUMPRIO];/* WME: driver maintained sw seqnum per priority */

struct scb_ampdu scb_ampdu; /* AMPDU state including per tid info */
--
2.41.0