diff options
| -rw-r--r-- | drivers/net/wireless/ath/wil6210/debugfs.c | 6 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/wil6210/txrx.c | 20 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/wil6210/wil6210.h | 3 |
3 files changed, 22 insertions, 7 deletions
diff --git a/drivers/net/wireless/ath/wil6210/debugfs.c b/drivers/net/wireless/ath/wil6210/debugfs.c index d1a1e160ef31..97bc186f9728 100644 --- a/drivers/net/wireless/ath/wil6210/debugfs.c +++ b/drivers/net/wireless/ath/wil6210/debugfs.c @@ -1373,6 +1373,12 @@ __acquires(&p->tid_rx_lock) __releases(&p->tid_rx_lock) } } spin_unlock_bh(&p->tid_rx_lock); + seq_printf(s, + "Rx invalid frame: non-data %lu, short %lu, large %lu\n", + p->stats.rx_non_data_frame, + p->stats.rx_short_frame, + p->stats.rx_large_frame); + seq_puts(s, "Rx/MCS:"); for (mcs = 0; mcs < ARRAY_SIZE(p->stats.rx_per_mcs); mcs++) diff --git a/drivers/net/wireless/ath/wil6210/txrx.c b/drivers/net/wireless/ath/wil6210/txrx.c index 6229110d558a..8ba271f685f4 100644 --- a/drivers/net/wireless/ath/wil6210/txrx.c +++ b/drivers/net/wireless/ath/wil6210/txrx.c @@ -379,14 +379,16 @@ static struct sk_buff *wil_vring_reap_rx(struct wil6210_priv *wil, u16 dmalen; u8 ftype; int cid; - int i = (int)vring->swhead; + int i; struct wil_net_stats *stats; BUILD_BUG_ON(sizeof(struct vring_rx_desc) > sizeof(skb->cb)); +again: if (unlikely(wil_vring_is_empty(vring))) return NULL; + i = (int)vring->swhead; _d = &vring->va[i].rx; if (unlikely(!(_d->dma.status & RX_DMA_STATUS_DU))) { /* it is not error, we just reached end of Rx done area */ @@ -398,7 +400,7 @@ static struct sk_buff *wil_vring_reap_rx(struct wil6210_priv *wil, wil_vring_advance_head(vring, 1); if (!skb) { wil_err(wil, "No Rx skb at [%d]\n", i); - return NULL; + goto again; } d = wil_skb_rxdesc(skb); *d = *_d; @@ -412,10 +414,14 @@ static struct sk_buff *wil_vring_reap_rx(struct wil6210_priv *wil, wil_hex_dump_txrx("Rx ", DUMP_PREFIX_NONE, 32, 4, (const void *)d, sizeof(*d), false); + cid = wil_rxdesc_cid(d); + stats = &wil->sta[cid].stats; + if (unlikely(dmalen > sz)) { wil_err(wil, "Rx size too large: %d bytes!\n", dmalen); + stats->rx_large_frame++; kfree_skb(skb); - return NULL; + goto again; } skb_trim(skb, dmalen); @@ -424,8 +430,6 @@ static struct sk_buff *wil_vring_reap_rx(struct wil6210_priv *wil, wil_hex_dump_txrx("Rx ", DUMP_PREFIX_OFFSET, 16, 1, skb->data, skb_headlen(skb), false); - cid = wil_rxdesc_cid(d); - stats = &wil->sta[cid].stats; stats->last_mcs_rx = wil_rxdesc_mcs(d); if (stats->last_mcs_rx < ARRAY_SIZE(stats->rx_per_mcs)) stats->rx_per_mcs[stats->last_mcs_rx]++; @@ -446,15 +450,17 @@ static struct sk_buff *wil_vring_reap_rx(struct wil6210_priv *wil, if (unlikely(ftype != IEEE80211_FTYPE_DATA)) { wil_dbg_txrx(wil, "Non-data frame ftype 0x%08x\n", ftype); /* TODO: process it */ + stats->rx_non_data_frame++; kfree_skb(skb); - return NULL; + goto again; } if (unlikely(skb->len < ETH_HLEN + snaplen)) { wil_err(wil, "Short frame, len = %d\n", skb->len); /* TODO: process it (i.e. BAR) */ + stats->rx_short_frame++; kfree_skb(skb); - return NULL; + goto again; } /* L4 IDENT is on when HW calculated checksum, check status diff --git a/drivers/net/wireless/ath/wil6210/wil6210.h b/drivers/net/wireless/ath/wil6210/wil6210.h index dd4ea926b8e3..e405bef10433 100644 --- a/drivers/net/wireless/ath/wil6210/wil6210.h +++ b/drivers/net/wireless/ath/wil6210/wil6210.h @@ -465,6 +465,9 @@ struct wil_net_stats { unsigned long tx_bytes; unsigned long tx_errors; unsigned long rx_dropped; + unsigned long rx_non_data_frame; + unsigned long rx_short_frame; + unsigned long rx_large_frame; u16 last_mcs_rx; u64 rx_per_mcs[WIL_MCS_MAX + 1]; }; |