Merge "usb: rndis: reset ul aggregation stats for every set_alt"
diff --git a/drivers/usb/gadget/f_rndis.c b/drivers/usb/gadget/f_rndis.c
index 1017900..1288bfd 100644
--- a/drivers/usb/gadget/f_rndis.c
+++ b/drivers/usb/gadget/f_rndis.c
@@ -74,7 +74,7 @@
static unsigned int rndis_ul_max_pkt_per_xfer = 1;
module_param(rndis_ul_max_pkt_per_xfer, uint, S_IRUGO | S_IWUSR);
MODULE_PARM_DESC(rndis_ul_max_pkt_per_xfer,
- "Disable RNDIS Multi-packet support in DownLink");
+ "Maximum packets per transfer for UL aggregation");
struct f_rndis {
struct gether port;
diff --git a/drivers/usb/gadget/rndis.c b/drivers/usb/gadget/rndis.c
index 07f4d26..bff7eb1 100644
--- a/drivers/usb/gadget/rndis.c
+++ b/drivers/usb/gadget/rndis.c
@@ -947,6 +947,10 @@
rndis_per_dev_params[configNr].dev = dev;
rndis_per_dev_params[configNr].filter = cdc_filter;
+ /* reset aggregation stats for every set_alt */
+ rndis_ul_max_xfer_size_rcvd = 0;
+ rndis_ul_max_pkt_per_xfer_rcvd = 0;
+
return 0;
}
@@ -1060,7 +1064,7 @@
struct sk_buff *skb,
struct sk_buff_head *list)
{
- int num_pkts = 1;
+ int num_pkts = 0;
if (skb->len > rndis_ul_max_xfer_size_rcvd)
rndis_ul_max_xfer_size_rcvd = skb->len;
@@ -1072,6 +1076,8 @@
/* some rndis hosts send extra byte to avoid zlp, ignore it */
if (skb->len == 1) {
+ if (num_pkts > rndis_ul_max_pkt_per_xfer_rcvd)
+ rndis_ul_max_pkt_per_xfer_rcvd = num_pkts;
dev_kfree_skb_any(skb);
return 0;
}
@@ -1105,6 +1111,8 @@
return -EINVAL;
}
+ num_pkts++;
+
skb_pull(skb, data_offset + 8);
if (msg_len == skb->len) {
@@ -1122,8 +1130,6 @@
skb_pull(skb, msg_len - sizeof *hdr);
skb_trim(skb2, data_len);
skb_queue_tail(list, skb2);
-
- num_pkts++;
}
if (num_pkts > rndis_ul_max_pkt_per_xfer_rcvd)
@@ -1148,7 +1154,9 @@
"speed : %d\n"
"cable : %s\n"
"vendor ID : 0x%08X\n"
- "vendor : %s\n",
+ "vendor : %s\n"
+ "ul-max-xfer-size:%d max-xfer-size-rcvd: %d\n"
+ "ul-max-pkts-per-xfer:%d max-pkts-per-xfer-rcvd:%d\n",
param->confignr, (param->used) ? "y" : "n",
({ char *s = "?";
switch (param->state) {
@@ -1162,7 +1170,13 @@
param->medium,
(param->media_state) ? 0 : param->speed*100,
(param->media_state) ? "disconnected" : "connected",
- param->vendorID, param->vendorDescr);
+ param->vendorID, param->vendorDescr,
+ param->max_pkt_per_xfer *
+ (param->dev->mtu + sizeof(struct ethhdr) +
+ sizeof(struct rndis_packet_msg_type) + 22),
+ rndis_ul_max_xfer_size_rcvd,
+ param->max_pkt_per_xfer,
+ rndis_ul_max_pkt_per_xfer_rcvd);
return 0;
}
diff --git a/drivers/usb/gadget/u_ether.c b/drivers/usb/gadget/u_ether.c
index d4c21dd..dbffa4e 100644
--- a/drivers/usb/gadget/u_ether.c
+++ b/drivers/usb/gadget/u_ether.c
@@ -70,7 +70,7 @@
struct sk_buff_head rx_frames;
unsigned header_len;
- unsigned ul_max_pkts_per_xfer;
+ unsigned int ul_max_pkts_per_xfer;
struct sk_buff *(*wrap)(struct gether *, struct sk_buff *skb);
int (*unwrap)(struct gether *,
struct sk_buff *skb,