diff options
Diffstat (limited to 'drivers/net/wireless/ath/wil6210/txrx.c')
-rw-r--r-- | drivers/net/wireless/ath/wil6210/txrx.c | 39 |
1 files changed, 33 insertions, 6 deletions
diff --git a/drivers/net/wireless/ath/wil6210/txrx.c b/drivers/net/wireless/ath/wil6210/txrx.c index 0784ef3..d346794 100644 --- a/drivers/net/wireless/ath/wil6210/txrx.c +++ b/drivers/net/wireless/ath/wil6210/txrx.c @@ -525,6 +525,17 @@ void wil_netif_rx_any(struct sk_buff *skb, struct net_device *ndev) ndev->stats.rx_bytes += len; stats->rx_bytes += len; } + { + static const char * const gro_res_str[] = { + [GRO_MERGED] = "GRO_MERGED", + [GRO_MERGED_FREE] = "GRO_MERGED_FREE", + [GRO_HELD] = "GRO_HELD", + [GRO_NORMAL] = "GRO_NORMAL", + [GRO_DROP] = "GRO_DROP", + }; + wil_dbg_txrx(wil, "Rx complete %d bytes => %s,\n", + len, gro_res_str[rc]); + } } /** @@ -760,7 +771,7 @@ static struct vring *wil_tx_bcast(struct wil6210_priv *wil, goto found; } - wil_err(wil, "Tx while no vrings active?\n"); + wil_dbg_txrx(wil, "Tx while no vrings active?\n"); return NULL; @@ -881,6 +892,7 @@ static int wil_tx_vring(struct wil6210_priv *wil, struct vring *vring, int nr_frags = skb_shinfo(skb)->nr_frags; uint f = 0; int vring_index = vring - wil->vring_tx; + struct vring_tx_data *txdata = &wil->vring_tx_data[vring_index]; uint i = swhead; dma_addr_t pa; @@ -953,6 +965,9 @@ static int wil_tx_vring(struct wil6210_priv *wil, struct vring *vring, wil_hex_dump_txrx("Tx ", DUMP_PREFIX_NONE, 32, 4, (const void *)d, sizeof(*d), false); + if (wil_vring_is_empty(vring)) /* performance monitoring */ + txdata->idle += get_cycles() - txdata->last_idle; + /* advance swhead */ wil_vring_advance_head(vring, nr_frags + 1); wil_dbg_txrx(wil, "Tx swhead %d -> %d\n", swhead, vring->swhead); @@ -1016,15 +1031,17 @@ netdev_tx_t wil_start_xmit(struct sk_buff *skb, struct net_device *ndev) vring = wil_tx_bcast(wil, skb); } if (!vring) { - wil_err(wil, "No Tx VRING found for %pM\n", eth->h_dest); + wil_dbg_txrx(wil, "No Tx VRING found for %pM\n", eth->h_dest); goto drop; } /* set up vring entry */ rc = wil_tx_vring(wil, vring, skb); /* do we still have enough room in the vring? */ - if (wil_vring_avail_tx(vring) < wil_vring_wmark_low(vring)) + if (wil_vring_avail_tx(vring) < wil_vring_wmark_low(vring)) { netif_tx_stop_all_queues(wil_to_ndev(wil)); + wil_dbg_txrx(wil, "netif_tx_stop : ring full\n"); + } switch (rc) { case 0: @@ -1091,8 +1108,10 @@ int wil_tx_complete(struct wil6210_priv *wil, int ringid) while (vring->swtail != new_swtail) { struct vring_tx_desc dd, *d = ⅆ u16 dmalen; - struct wil_ctx *ctx = &vring->ctx[vring->swtail]; - struct sk_buff *skb = ctx->skb; + struct sk_buff *skb; + + ctx = &vring->ctx[vring->swtail]; + skb = ctx->skb; _d = &vring->va[vring->swtail].tx; *d = *_d; @@ -1132,8 +1151,16 @@ int wil_tx_complete(struct wil6210_priv *wil, int ringid) done++; } } - if (wil_vring_avail_tx(vring) > wil_vring_wmark_high(vring)) + + if (wil_vring_is_empty(vring)) { /* performance monitoring */ + wil_dbg_txrx(wil, "Ring[%2d] empty\n", ringid); + txdata->last_idle = get_cycles(); + } + + if (wil_vring_avail_tx(vring) > wil_vring_wmark_high(vring)) { + wil_dbg_txrx(wil, "netif_tx_wake : ring not full\n"); netif_tx_wake_all_queues(wil_to_ndev(wil)); + } return done; } |