cxgb3 - Add iscsi support

Add iSCSI (S3xx) support.

Signed-off-by: Karen Xie <kxie@chelsio.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>

1 files changed, 11 insertions, 0 deletions

diff --git a/drivers/net/cxgb3/cxgb3_offload.c b/drivers/net/cxgb3/cxgb3_offload.c
index ae6ff5df779c..c69f4c0187d9 100644
--- a/drivers/net/cxgb3/cxgb3_offload.c
+++ b/drivers/net/cxgb3/cxgb3_offload.c
@@ -207,6 +207,17 @@ static int cxgb_ulp_iscsi_ctl(struct adapter *adapter, unsigned int req,
                 break;
         case ULP_ISCSI_SET_PARAMS:
                 t3_write_reg(adapter, A_ULPRX_ISCSI_TAGMASK, uiip->tagmask);
+                /* set MaxRxData and MaxCoalesceSize to 16224 */
+                t3_write_reg(adapter, A_TP_PARA_REG2, 0x3f603f60);
+                /* program the ddp page sizes */
+                {
+                        int i;
+                        unsigned int val = 0;
+                        for (i = 0; i < 4; i++)
+                                val |= (uiip->pgsz_factor[i] & 0xF) << (8 * i);
+                        if (val)
+                                t3_write_reg(adapter, A_ULPRX_ISCSI_PSZ, val);
+                }
                 break;
         default:
                 ret = -EOPNOTSUPP;