usb: gadget: RNDIS function driver for QCOM chipsets
New function driver to support RNDIS with adaptions to
QCOM chipsets (Data path is over SPS BAM-to-BAM).
CRs-Fixed: 361085
Change-Id: I90dcb52e4a4fe939e2150e89d794aaddac4392f5
Signed-off-by: Ofir Cohen <ofirc@codeaurora.org>
diff --git a/drivers/usb/gadget/rndis.c b/drivers/usb/gadget/rndis.c
index 16c4afb..e0520c7 100644
--- a/drivers/usb/gadget/rndis.c
+++ b/drivers/usb/gadget/rndis.c
@@ -585,8 +585,8 @@
resp->MinorVersion = cpu_to_le32(RNDIS_MINOR_VERSION);
resp->DeviceFlags = cpu_to_le32(RNDIS_DF_CONNECTIONLESS);
resp->Medium = cpu_to_le32(RNDIS_MEDIUM_802_3);
- resp->MaxPacketsPerTransfer = cpu_to_le32(TX_SKB_HOLD_THRESHOLD);
- resp->MaxTransferSize = cpu_to_le32(TX_SKB_HOLD_THRESHOLD *
+ resp->MaxPacketsPerTransfer = cpu_to_le32(params->max_pkt_per_xfer);
+ resp->MaxTransferSize = cpu_to_le32(params->max_pkt_per_xfer *
(params->dev->mtu
+ sizeof(struct ethhdr)
+ sizeof(struct rndis_packet_msg_type)
@@ -902,6 +902,8 @@
rndis_per_dev_params[i].used = 1;
rndis_per_dev_params[i].resp_avail = resp_avail;
rndis_per_dev_params[i].v = v;
+ rndis_per_dev_params[i].max_pkt_per_xfer =
+ TX_SKB_HOLD_THRESHOLD;
pr_debug("%s: configNr = %d\n", __func__, i);
return i;
}
@@ -955,6 +957,13 @@
return 0;
}
+void rndis_set_max_pkt_xfer(u8 configNr, u8 max_pkt_per_xfer)
+{
+ pr_debug("%s:\n", __func__);
+
+ rndis_per_dev_params[configNr].max_pkt_per_xfer = max_pkt_per_xfer;
+}
+
void rndis_add_hdr(struct sk_buff *skb)
{
struct rndis_packet_msg_type *header;