From fbc2ac336796ea686211ca411b23cb0527fca57d Mon Sep 17 00:00:00 2001 From: Ron Mercer Date: Mon, 5 Jul 2010 12:19:41 +0000 Subject: [PATCH] qlge: Make adapter drop frame errors and pass up csum errors. Statistics are available and the driver doesn't need the actual frame. This TCP/UDP and IP headers checksum errors will still be passed to the driver. Signed-off-by: Ron Mercer Signed-off-by: David S. Miller --- drivers/net/qlge/qlge_main.c | 30 ++++++++++++++++++++++++++++-- 1 file changed, 28 insertions(+), 2 deletions(-) diff --git a/drivers/net/qlge/qlge_main.c b/drivers/net/qlge/qlge_main.c index a41b6b5..dd9e86c 100644 --- a/drivers/net/qlge/qlge_main.c +++ b/drivers/net/qlge/qlge_main.c @@ -574,6 +574,22 @@ static int ql_set_routing_reg(struct ql_adapter *qdev, u32 index, u32 mask, (RT_IDX_ALL_ERR_SLOT << RT_IDX_IDX_SHIFT);/* index */ break; } + case RT_IDX_IP_CSUM_ERR: /* Pass up IP CSUM error frames. */ + { + value = RT_IDX_DST_DFLT_Q | /* dest */ + RT_IDX_TYPE_NICQ | /* type */ + (RT_IDX_IP_CSUM_ERR_SLOT << + RT_IDX_IDX_SHIFT); /* index */ + break; + } + case RT_IDX_TU_CSUM_ERR: /* Pass up TCP/UDP CSUM error frames. */ + { + value = RT_IDX_DST_DFLT_Q | /* dest */ + RT_IDX_TYPE_NICQ | /* type */ + (RT_IDX_TCP_UDP_CSUM_ERR_SLOT << + RT_IDX_IDX_SHIFT); /* index */ + break; + } case RT_IDX_BCAST: /* Pass up Broadcast frames to default Q. */ { value = RT_IDX_DST_DFLT_Q | /* dest */ @@ -3587,10 +3603,20 @@ static int ql_route_initialize(struct ql_adapter *qdev) if (status) return status; - status = ql_set_routing_reg(qdev, RT_IDX_ALL_ERR_SLOT, RT_IDX_ERR, 1); + status = ql_set_routing_reg(qdev, RT_IDX_IP_CSUM_ERR_SLOT, + RT_IDX_IP_CSUM_ERR, 1); + if (status) { + netif_err(qdev, ifup, qdev->ndev, + "Failed to init routing register " + "for IP CSUM error packets.\n"); + goto exit; + } + status = ql_set_routing_reg(qdev, RT_IDX_TCP_UDP_CSUM_ERR_SLOT, + RT_IDX_TU_CSUM_ERR, 1); if (status) { netif_err(qdev, ifup, qdev->ndev, - "Failed to init routing register for error packets.\n"); + "Failed to init routing register " + "for TCP/UDP CSUM error packets.\n"); goto exit; } status = ql_set_routing_reg(qdev, RT_IDX_BCAST_SLOT, RT_IDX_BCAST, 1); -- 2.7.4