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Message-Id: <7ef9f9a4ee47b8d8ab9519647ba02fc700473be8.1273708027.git.inaky.perez-gonzalez@intel.com> Date: Fri, 14 May 2010 14:45:19 -0700 From: Inaky Perez-Gonzalez <inaky@...ux.intel.com> To: netdev@...r.kernel.org, wimax@...uxwimax.org Cc: "Prasanna S. Panchamukhi" <prasannax.s.panchamukhi@...el.com> Subject: [patch 2.6.35 20/25] wimax/i2400m: USB specific TX queue's minimum buffer room required for new message From: Prasanna S. Panchamukhi <prasannax.s.panchamukhi@...el.com> This patch specifies the TX queue's buffer room required by the USB bus driver while allocating header space for a new message. Please refer the documentation in the code. Signed-off-by: Prasanna S. Panchamukhi <prasannax.s.panchamukhi@...el.com> --- drivers/net/wimax/i2400m/usb.c | 7 +++++++ 1 files changed, 7 insertions(+), 0 deletions(-) diff --git a/drivers/net/wimax/i2400m/usb.c b/drivers/net/wimax/i2400m/usb.c index d8c4d64..6fd8cf5 100644 --- a/drivers/net/wimax/i2400m/usb.c +++ b/drivers/net/wimax/i2400m/usb.c @@ -467,6 +467,13 @@ int i2400mu_probe(struct usb_interface *iface, usb_set_intfdata(iface, i2400mu); i2400m->bus_tx_block_size = I2400MU_BLK_SIZE; + /* + * Room required in the Tx queue for USB message to accommodate + * a smallest payload while allocating header space is 16 bytes. + * Adding this room for the new tx message increases the + * possibilities of including any payload with size <= 16 bytes. + */ + i2400m->bus_tx_room_min = I2400MU_BLK_SIZE; i2400m->bus_pl_size_max = I2400MU_PL_SIZE_MAX; i2400m->bus_setup = NULL; i2400m->bus_dev_start = i2400mu_bus_dev_start; -- 1.6.6.1 -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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