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Commit be1489ba authored by Mayank Rana's avatar Mayank Rana
Browse files

f_gsi: Increase number of TRBs and its buffer size 



This change increases number of TRBs and its buffer size as below
for better tethering throughput:
RMNET: number of TRBs as 50, and buffer size to 31KB
RNDIS: buffer size to 16KB

Change-Id: I426958e0869e6a9f056ad8a21df56c9e801811d1
Signed-off-by: default avatarMayank Rana <mrana@codeaurora.org>
parent af87342b

drivers/usb/gadget/function/f_gsi.c

+3 −3
Original line number Diff line number Diff line
@@ -2574,7 +2574,7 @@ static int gsi_bind(struct usb_configuration *c, struct usb_function *f) 
		info.ss_desc_hdr = gsi_eth_ss_function;

		info.in_epname = "gsi-epin";

		info.out_epname = "gsi-epout";

		info.in_req_buf_len = GSI_IN_BUFF_SIZE;

		info.in_req_buf_len = GSI_IN_RNDIS_BUFF_SIZE;

		gsi->d_port.in_aggr_size = GSI_IN_RNDIS_AGGR_SIZE;

		info.in_req_num_buf = GSI_NUM_IN_RNDIS_BUFFERS;

		gsi->d_port.out_aggr_size = GSI_OUT_AGGR_SIZE;
@@ -2763,8 +2763,8 @@ static int gsi_bind(struct usb_configuration *c, struct usb_function *f) 
		info.in_epname = "gsi-epin";

		info.out_epname = "gsi-epout";

		gsi->d_port.in_aggr_size = GSI_IN_RMNET_AGGR_SIZE;

		info.in_req_buf_len = GSI_IN_BUFF_SIZE;

		info.in_req_num_buf = GSI_NUM_IN_BUFFERS;

		info.in_req_buf_len = GSI_IN_RMNET_BUFF_SIZE;

		info.in_req_num_buf = GSI_NUM_IN_RMNET_BUFFERS;

		gsi->d_port.out_aggr_size = GSI_OUT_AGGR_SIZE;

		info.out_req_buf_len = GSI_OUT_RMNET_BUF_LEN;

		info.out_req_num_buf = GSI_NUM_OUT_BUFFERS;

drivers/usb/gadget/function/f_gsi.h

+3 −0
Original line number Diff line number Diff line
@@ -35,8 +35,11 @@ 
#define GSI_CTRL_DTR (1 << 0)



#define GSI_NUM_IN_RNDIS_BUFFERS 50

#define GSI_NUM_IN_RMNET_BUFFERS 50

#define GSI_NUM_IN_BUFFERS 15

#define GSI_IN_BUFF_SIZE 2048

#define GSI_IN_RMNET_BUFF_SIZE 31744

#define GSI_IN_RNDIS_BUFF_SIZE 16384

#define GSI_NUM_OUT_BUFFERS 14

#define GSI_OUT_AGGR_SIZE 24576