On 11/21/18 1:25 AM, Nilesh Javali wrote:
> Default packet size is 0x400.
> For jumbo packets set to 0x2400.
>
> Signed-off-by: Nilesh Javali
> ---
> drivers/scsi/qedi/qedi.h | 1 -
> drivers/scsi/qedi/qedi_main.c | 13 +
> 2 files changed, 9 insertions(+), 5 deletions(-)
>
> diff --git a/drivers/scsi/qedi/qedi.h b/drivers/scsi/qedi/qedi.h
> index 6fa02c5..a26bb506 100644
> --- a/drivers/scsi/qedi/qedi.h
> +++ b/drivers/scsi/qedi/qedi.h
> @@ -63,7 +63,6 @@
> #define QEDI_LOCAL_PORT_INVALID 0x
> #define TX_RX_RING 16
> #define RX_RING (TX_RX_RING - 1)
> -#define LL2_SINGLE_BUF_SIZE 0x400
> #define QEDI_PAGE_ALIGN(addr)ALIGN(addr, QEDI_PAGE_SIZE)
> #define QEDI_PAGE_MASK (~((QEDI_PAGE_SIZE) - 1))
>
> diff --git a/drivers/scsi/qedi/qedi_main.c b/drivers/scsi/qedi/qedi_main.c
> index 2621dee..8942f62 100644
> --- a/drivers/scsi/qedi/qedi_main.c
> +++ b/drivers/scsi/qedi/qedi_main.c
> @@ -44,6 +44,11 @@
> MODULE_PARM_DESC(qedi_io_tracing,
>" Enable logging of SCSI requests/completions into trace
> buffer. (default off).");
>
> +uint qedi_ll2_buf_size = 0x400;
> +module_param(qedi_ll2_buf_size, uint, 0644);
> +MODULE_PARM_DESC(qedi_ll2_buf_size,
> + "parameter to set ping packet size, default - 0x400, Jumbo
> packets - 0x2400.");
> +
> const struct qed_iscsi_ops *qedi_ops;
> static struct scsi_transport_template *qedi_scsi_transport;
> static struct pci_driver qedi_pci_driver;
> @@ -228,7 +233,7 @@ static int __qedi_alloc_uio_rings(struct qedi_uio_dev
> *udev)
> }
>
> /* Allocating memory for Tx/Rx pkt buffer */
> - udev->ll2_buf_size = TX_RX_RING * LL2_SINGLE_BUF_SIZE;
> + udev->ll2_buf_size = TX_RX_RING * qedi_ll2_buf_size;
> udev->ll2_buf_size = QEDI_PAGE_ALIGN(udev->ll2_buf_size);
> udev->ll2_buf = (void *)__get_free_pages(GFP_KERNEL | __GFP_COMP |
>__GFP_ZERO, 2);
> @@ -283,7 +288,7 @@ static int qedi_alloc_uio_rings(struct qedi_ctx *qedi)
> qedi->udev = udev;
>
> udev->tx_pkt = udev->ll2_buf;
> - udev->rx_pkt = udev->ll2_buf + LL2_SINGLE_BUF_SIZE;
> + udev->rx_pkt = udev->ll2_buf + qedi_ll2_buf_size;
> return 0;
>
> err_uctrl:
> @@ -752,8 +757,8 @@ static int qedi_ll2_process_skb(struct qedi_ctx *qedi,
> struct sk_buff *skb,
>
> udev = qedi->udev;
> uctrl = udev->uctrl;
> - pkt = udev->rx_pkt + (uctrl->hw_rx_prod * LL2_SINGLE_BUF_SIZE);
> - len = min_t(u32, skb->len, (u32)LL2_SINGLE_BUF_SIZE);
> + pkt = udev->rx_pkt + (uctrl->hw_rx_prod * qedi_ll2_buf_size);
> + len = min_t(u32, skb->len, (u32)qedi_ll2_buf_size);
> memcpy(pkt, skb->data, len);
>
> memset(, 0, sizeof(rxbd));
>
Reviewed-by: Lee Duncan
