2019-04-26 04:38:47

by Wright Feng

Subject: [PATCH v2] brcmfmac: set txflow request id from 1 to pktids array size

Some PCIE firmwares drop txstatus if pktid is 0 and make packet held in
host side and never be released. If that packet type is 802.1x, the
pend_8021x_cnt value will be always greater than 0 and show "Timed out
waiting for no pending 802.1x packets" error message when sending key to
dongle every time.

To be compatible with all firmwares, host should set txflow request id
from 1 instead of from 0.

Signed-off-by: Wright Feng <[email protected]>
---
v2: change for not wasting the first entry
---
drivers/net/wireless/broadcom/brcm80211/brcmfmac/msgbuf.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/msgbuf.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/msgbuf.c
index d3780ea..9d1f9ff 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/msgbuf.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/msgbuf.c
@@ -375,7 +375,7 @@ brcmf_msgbuf_get_pktid(struct device *dev, struct brcmf_msgbuf_pktids *pktids,
struct brcmf_msgbuf_pktid *pktid;
struct sk_buff *skb;

- if (idx >= pktids->array_size) {
+ if (idx < 0 || idx >= pktids->array_size) {
brcmf_err("Invalid packet id %d (max %d)\n", idx,
pktids->array_size);
return NULL;
@@ -747,7 +747,7 @@ static void brcmf_msgbuf_txflow(struct brcmf_msgbuf *msgbuf, u16 flowid)
tx_msghdr = (struct msgbuf_tx_msghdr *)ret_ptr;

tx_msghdr->msg.msgtype = MSGBUF_TYPE_TX_POST;
- tx_msghdr->msg.request_id = cpu_to_le32(pktid);
+ tx_msghdr->msg.request_id = cpu_to_le32(pktid + 1);
tx_msghdr->msg.ifidx = brcmf_flowring_ifidx_get(flow, flowid);
tx_msghdr->flags = BRCMF_MSGBUF_PKT_FLAGS_FRAME_802_3;
tx_msghdr->flags |= (skb->priority & 0x07) <<
@@ -884,7 +884,7 @@ brcmf_msgbuf_process_txstatus(struct brcmf_msgbuf *msgbuf, void *buf)
u16 flowid;

tx_status = (struct msgbuf_tx_status *)buf;
- idx = le32_to_cpu(tx_status->msg.request_id);
+ idx = le32_to_cpu(tx_status->msg.request_id) - 1;
flowid = le16_to_cpu(tx_status->compl_hdr.flow_ring_id);
flowid -= BRCMF_H2D_MSGRING_FLOWRING_IDSTART;
skb = brcmf_msgbuf_get_pktid(msgbuf->drvr->bus_if->dev,
--
2.1.0

2019-05-01 15:27:39

by Kalle Valo

Subject: Re: [PATCH v2] brcmfmac: set txflow request id from 1 to pktids array size

Wright Feng <[email protected]> wrote:

> Some PCIE firmwares drop txstatus if pktid is 0 and make packet held in
> host side and never be released. If that packet type is 802.1x, the
> pend_8021x_cnt value will be always greater than 0 and show "Timed out
> waiting for no pending 802.1x packets" error message when sending key to
> dongle every time.
>
> To be compatible with all firmwares, host should set txflow request id
> from 1 instead of from 0.
>
> Signed-off-by: Wright Feng <[email protected]>

Patch applied to wireless-drivers-next.git, thanks.

2d91c8ad068a brcmfmac: set txflow request id from 1 to pktids array size

--
https://patchwork.kernel.org/patch/10918007/

https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches