Subject: [PATCH net-next 6/8] wireless: brcmfmac: Use netif_rx().

Since commit
baebdf48c3600 ("net: dev: Makes sure netif_rx() can be invoked in any context.")

the function netif_rx() can be used in preemptible/thread context as
well as in interrupt context.

Use netif_rx().

Cc: Arend van Spriel <[email protected]>
Cc: Chi-hsien Lin <[email protected]>
Cc: Chung-hsien Hsu <[email protected]>
Cc: Franky Lin <[email protected]>
Cc: Hante Meuleman <[email protected]>
Cc: Kalle Valo <[email protected]>
Cc: [email protected]
Cc: Wright Feng <[email protected]>
Cc: [email protected]
Cc: [email protected]
Signed-off-by: Sebastian Andrzej Siewior <[email protected]>
---
.../broadcom/brcm80211/brcmfmac/bcdc.c | 4 ++--
.../broadcom/brcm80211/brcmfmac/core.c | 18 +++++-------------
.../broadcom/brcm80211/brcmfmac/core.h | 2 +-
.../broadcom/brcm80211/brcmfmac/fwsignal.c | 10 +++++-----
.../broadcom/brcm80211/brcmfmac/fwsignal.h | 2 +-
.../broadcom/brcm80211/brcmfmac/msgbuf.c | 5 ++---
.../broadcom/brcm80211/brcmfmac/proto.h | 6 +++---
7 files changed, 19 insertions(+), 28 deletions(-)

diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcdc.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcdc.c
index 3984fd7d918e1..2c95a08a58711 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcdc.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcdc.c
@@ -397,9 +397,9 @@ brcmf_proto_bcdc_add_tdls_peer(struct brcmf_pub *drvr, int ifidx,
}

static void brcmf_proto_bcdc_rxreorder(struct brcmf_if *ifp,
- struct sk_buff *skb, bool inirq)
+ struct sk_buff *skb)
{
- brcmf_fws_rxreorder(ifp, skb, inirq);
+ brcmf_fws_rxreorder(ifp, skb);
}

static void
diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c
index fed9cd5f29a26..26fab4bee22cf 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c
@@ -400,7 +400,7 @@ void brcmf_txflowblock_if(struct brcmf_if *ifp,
spin_unlock_irqrestore(&ifp->netif_stop_lock, flags);
}

-void brcmf_netif_rx(struct brcmf_if *ifp, struct sk_buff *skb, bool inirq)
+void brcmf_netif_rx(struct brcmf_if *ifp, struct sk_buff *skb)
{
/* Most of Broadcom's firmwares send 802.11f ADD frame every time a new
* STA connects to the AP interface. This is an obsoleted standard most
@@ -423,15 +423,7 @@ void brcmf_netif_rx(struct brcmf_if *ifp, struct sk_buff *skb, bool inirq)
ifp->ndev->stats.rx_packets++;

brcmf_dbg(DATA, "rx proto=0x%X\n", ntohs(skb->protocol));
- if (inirq) {
- netif_rx(skb);
- } else {
- /* If the receive is not processed inside an ISR,
- * the softirqd must be woken explicitly to service
- * the NET_RX_SOFTIRQ. This is handled by netif_rx_ni().
- */
- netif_rx_ni(skb);
- }
+ netif_rx(skb);
}

void brcmf_netif_mon_rx(struct brcmf_if *ifp, struct sk_buff *skb)
@@ -480,7 +472,7 @@ void brcmf_netif_mon_rx(struct brcmf_if *ifp, struct sk_buff *skb)
skb->pkt_type = PACKET_OTHERHOST;
skb->protocol = htons(ETH_P_802_2);

- brcmf_netif_rx(ifp, skb, false);
+ brcmf_netif_rx(ifp, skb);
}

static int brcmf_rx_hdrpull(struct brcmf_pub *drvr, struct sk_buff *skb,
@@ -515,7 +507,7 @@ void brcmf_rx_frame(struct device *dev, struct sk_buff *skb, bool handle_event,
return;

if (brcmf_proto_is_reorder_skb(skb)) {
- brcmf_proto_rxreorder(ifp, skb, inirq);
+ brcmf_proto_rxreorder(ifp, skb);
} else {
/* Process special event packets */
if (handle_event) {
@@ -524,7 +516,7 @@ void brcmf_rx_frame(struct device *dev, struct sk_buff *skb, bool handle_event,
brcmf_fweh_process_skb(ifp->drvr, skb,
BCMILCP_SUBTYPE_VENDOR_LONG, gfp);
}
- brcmf_netif_rx(ifp, skb, inirq);
+ brcmf_netif_rx(ifp, skb);
}
}

diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.h b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.h
index 8212c9de14f1f..340346c122d32 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.h
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.h
@@ -208,7 +208,7 @@ void brcmf_remove_interface(struct brcmf_if *ifp, bool locked);
void brcmf_txflowblock_if(struct brcmf_if *ifp,
enum brcmf_netif_stop_reason reason, bool state);
void brcmf_txfinalize(struct brcmf_if *ifp, struct sk_buff *txp, bool success);
-void brcmf_netif_rx(struct brcmf_if *ifp, struct sk_buff *skb, bool inirq);
+void brcmf_netif_rx(struct brcmf_if *ifp, struct sk_buff *skb);
void brcmf_netif_mon_rx(struct brcmf_if *ifp, struct sk_buff *skb);
void brcmf_net_detach(struct net_device *ndev, bool locked);
int brcmf_net_mon_attach(struct brcmf_if *ifp);
diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fwsignal.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fwsignal.c
index 19b0f318f93ed..d58525ebe618e 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fwsignal.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fwsignal.c
@@ -1664,7 +1664,7 @@ static void brcmf_rxreorder_get_skb_list(struct brcmf_ampdu_rx_reorder *rfi,
rfi->pend_pkts -= skb_queue_len(skb_list);
}

-void brcmf_fws_rxreorder(struct brcmf_if *ifp, struct sk_buff *pkt, bool inirq)
+void brcmf_fws_rxreorder(struct brcmf_if *ifp, struct sk_buff *pkt)
{
struct brcmf_pub *drvr = ifp->drvr;
u8 *reorder_data;
@@ -1682,7 +1682,7 @@ void brcmf_fws_rxreorder(struct brcmf_if *ifp, struct sk_buff *pkt, bool inirq)
/* validate flags and flow id */
if (flags == 0xFF) {
bphy_err(drvr, "invalid flags...so ignore this packet\n");
- brcmf_netif_rx(ifp, pkt, inirq);
+ brcmf_netif_rx(ifp, pkt);
return;
}

@@ -1694,7 +1694,7 @@ void brcmf_fws_rxreorder(struct brcmf_if *ifp, struct sk_buff *pkt, bool inirq)
if (rfi == NULL) {
brcmf_dbg(INFO, "received flags to cleanup, but no flow (%d) yet\n",
flow_id);
- brcmf_netif_rx(ifp, pkt, inirq);
+ brcmf_netif_rx(ifp, pkt);
return;
}

@@ -1719,7 +1719,7 @@ void brcmf_fws_rxreorder(struct brcmf_if *ifp, struct sk_buff *pkt, bool inirq)
rfi = kzalloc(buf_size, GFP_ATOMIC);
if (rfi == NULL) {
bphy_err(drvr, "failed to alloc buffer\n");
- brcmf_netif_rx(ifp, pkt, inirq);
+ brcmf_netif_rx(ifp, pkt);
return;
}

@@ -1833,7 +1833,7 @@ void brcmf_fws_rxreorder(struct brcmf_if *ifp, struct sk_buff *pkt, bool inirq)
netif_rx:
skb_queue_walk_safe(&reorder_list, pkt, pnext) {
__skb_unlink(pkt, &reorder_list);
- brcmf_netif_rx(ifp, pkt, inirq);
+ brcmf_netif_rx(ifp, pkt);
}
}

diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fwsignal.h b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fwsignal.h
index 50e424b5880de..b16a9d1c0508e 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fwsignal.h
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fwsignal.h
@@ -42,6 +42,6 @@ void brcmf_fws_add_interface(struct brcmf_if *ifp);
void brcmf_fws_del_interface(struct brcmf_if *ifp);
void brcmf_fws_bustxfail(struct brcmf_fws_info *fws, struct sk_buff *skb);
void brcmf_fws_bus_blocked(struct brcmf_pub *drvr, bool flow_blocked);
-void brcmf_fws_rxreorder(struct brcmf_if *ifp, struct sk_buff *skb, bool inirq);
+void brcmf_fws_rxreorder(struct brcmf_if *ifp, struct sk_buff *skb);

#endif /* FWSIGNAL_H_ */
diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/msgbuf.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/msgbuf.c
index 7c8e08ee8f0ff..b2d0f7570aa97 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/msgbuf.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/msgbuf.c
@@ -536,8 +536,7 @@ static int brcmf_msgbuf_hdrpull(struct brcmf_pub *drvr, bool do_fws,
return -ENODEV;
}

-static void brcmf_msgbuf_rxreorder(struct brcmf_if *ifp, struct sk_buff *skb,
- bool inirq)
+static void brcmf_msgbuf_rxreorder(struct brcmf_if *ifp, struct sk_buff *skb)
{
}

@@ -1191,7 +1190,7 @@ brcmf_msgbuf_process_rx_complete(struct brcmf_msgbuf *msgbuf, void *buf)
}

skb->protocol = eth_type_trans(skb, ifp->ndev);
- brcmf_netif_rx(ifp, skb, false);
+ brcmf_netif_rx(ifp, skb);
}

static void brcmf_msgbuf_process_gen_status(struct brcmf_msgbuf *msgbuf,
diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/proto.h b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/proto.h
index f4a79e217da5b..bd08d3aaa8f4a 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/proto.h
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/proto.h
@@ -32,7 +32,7 @@ struct brcmf_proto {
u8 peer[ETH_ALEN]);
void (*add_tdls_peer)(struct brcmf_pub *drvr, int ifidx,
u8 peer[ETH_ALEN]);
- void (*rxreorder)(struct brcmf_if *ifp, struct sk_buff *skb, bool inirq);
+ void (*rxreorder)(struct brcmf_if *ifp, struct sk_buff *skb);
void (*add_if)(struct brcmf_if *ifp);
void (*del_if)(struct brcmf_if *ifp);
void (*reset_if)(struct brcmf_if *ifp);
@@ -109,9 +109,9 @@ static inline bool brcmf_proto_is_reorder_skb(struct sk_buff *skb)
}

static inline void
-brcmf_proto_rxreorder(struct brcmf_if *ifp, struct sk_buff *skb, bool inirq)
+brcmf_proto_rxreorder(struct brcmf_if *ifp, struct sk_buff *skb)
{
- ifp->drvr->proto->rxreorder(ifp, skb, inirq);
+ ifp->drvr->proto->rxreorder(ifp, skb);
}

static inline void
--
2.35.1


2022-03-08 15:21:52

by Arend Van Spriel

[permalink] [raw]
Subject: Re: [PATCH net-next 6/8] wireless: brcmfmac: Use netif_rx().

On 3/5/2022 11:12 PM, Sebastian Andrzej Siewior wrote:
> Since commit
> baebdf48c3600 ("net: dev: Makes sure netif_rx() can be invoked in any context.")
>
> the function netif_rx() can be used in preemptible/thread context as
> well as in interrupt context.
>
> Use netif_rx().

Looks good to me but that commit only seems to exist in net-next repo.
So you want to take this patch through the net-next repo as well?

Regards,
Arend

> Cc: Arend van Spriel <[email protected]>
> Cc: Chi-hsien Lin <[email protected]>
> Cc: Chung-hsien Hsu <[email protected]>
> Cc: Franky Lin <[email protected]>
> Cc: Hante Meuleman <[email protected]>
> Cc: Kalle Valo <[email protected]>
> Cc: [email protected]
> Cc: Wright Feng <[email protected]>
> Cc: [email protected]
> Cc: [email protected]
> Signed-off-by: Sebastian Andrzej Siewior <[email protected]>
> ---
> .../broadcom/brcm80211/brcmfmac/bcdc.c | 4 ++--
> .../broadcom/brcm80211/brcmfmac/core.c | 18 +++++-------------
> .../broadcom/brcm80211/brcmfmac/core.h | 2 +-
> .../broadcom/brcm80211/brcmfmac/fwsignal.c | 10 +++++-----
> .../broadcom/brcm80211/brcmfmac/fwsignal.h | 2 +-
> .../broadcom/brcm80211/brcmfmac/msgbuf.c | 5 ++---
> .../broadcom/brcm80211/brcmfmac/proto.h | 6 +++---
> 7 files changed, 19 insertions(+), 28 deletions(-)


Attachments:
smime.p7s (4.12 kB)
S/MIME Cryptographic Signature
Subject: Re: [PATCH net-next 6/8] wireless: brcmfmac: Use netif_rx().

On 2022-03-08 15:59:50 [+0100], Arend van Spriel wrote:
> Looks good to me but that commit only seems to exist in net-next repo. So
> you want to take this patch through the net-next repo as well?

No need, DaveM took care of everything.

> Regards,
> Arend

Sebastian