From 86ca9db794a285f18f31ed15601696b238ccb57a Mon Sep 17 00:00:00 2001
From: Scott Feldman <scofeldm@cisco.com>
Date: Fri, 21 Nov 2008 21:26:55 -0800
Subject: [PATCH] enic: enable ethtool LRO support
Enable ethtool support for get/set_flags so LRO can be turned on/off
by fwding drivers such as the bridge driver. LRO is not compatible
with fwding drivers.
Signed-off-by: Scott Feldman <scofeldm@cisco.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
drivers/net/enic/enic.h | 2 +-
drivers/net/enic/enic_main.c | 42 ++++++++++++++++++++----------------
2 files changed, 24 insertions(+), 20 deletions(-)
diff --git a/drivers/net/enic/enic.h b/drivers/net/enic/enic.h
index 7f677e89a788..a832cc5d6a1e 100644
--- a/drivers/net/enic/enic.h
+++ b/drivers/net/enic/enic.h
@@ -33,7 +33,7 @@
#define DRV_NAME "enic"
#define DRV_DESCRIPTION "Cisco 10G Ethernet Driver"
-#define DRV_VERSION "0.0.1-18163.472-k1"
+#define DRV_VERSION "1.0.0.648"
#define DRV_COPYRIGHT "Copyright 2008 Cisco Systems, Inc"
#define PFX DRV_NAME ": "
diff --git a/drivers/net/enic/enic_main.c b/drivers/net/enic/enic_main.c
index 1c409df735d4..deddd76a550c 100644
--- a/drivers/net/enic/enic_main.c
+++ b/drivers/net/enic/enic_main.c
@@ -273,6 +273,8 @@ static struct ethtool_ops enic_ethtool_ops = {
.set_sg = ethtool_op_set_sg,
.get_tso = ethtool_op_get_tso,
.set_tso = enic_set_tso,
+ .get_flags = ethtool_op_get_flags,
+ .set_flags = ethtool_op_set_flags,
};
static void enic_free_wq_buf(struct vnic_wq *wq, struct vnic_wq_buf *buf)
@@ -895,6 +897,7 @@ static void enic_rq_indicate_buf(struct vnic_rq *rq,
int skipped, void *opaque)
{
struct enic *enic = vnic_dev_priv(rq->vdev);
+ struct net_device *netdev = enic->netdev;
struct sk_buff *skb;
u8 type, color, eop, sop, ingress_port, vlan_stripped;
@@ -929,7 +932,7 @@ static void enic_rq_indicate_buf(struct vnic_rq *rq,
if (net_ratelimit())
printk(KERN_ERR PFX
"%s: packet error: bad FCS\n",
- enic->netdev->name);
+ netdev->name);
}
dev_kfree_skb_any(skb);
@@ -943,18 +946,18 @@ static void enic_rq_indicate_buf(struct vnic_rq *rq,
*/
skb_put(skb, bytes_written);
- skb->protocol = eth_type_trans(skb, enic->netdev);
+ skb->protocol = eth_type_trans(skb, netdev);
if (enic->csum_rx_enabled && !csum_not_calc) {
skb->csum = htons(checksum);
skb->ip_summed = CHECKSUM_COMPLETE;
}
- skb->dev = enic->netdev;
+ skb->dev = netdev;
if (enic->vlan_group && vlan_stripped) {
- if (ENIC_SETTING(enic, LRO) && ipv4)
+ if ((netdev->features & NETIF_F_LRO) && ipv4)
lro_vlan_hwaccel_receive_skb(&enic->lro_mgr,
skb, enic->vlan_group,
vlan, cq_desc);
@@ -964,7 +967,7 @@ static void enic_rq_indicate_buf(struct vnic_rq *rq,
} else {
- if (ENIC_SETTING(enic, LRO) && ipv4)
+ if ((netdev->features & NETIF_F_LRO) && ipv4)
lro_receive_skb(&enic->lro_mgr, skb, cq_desc);
else
netif_receive_skb(skb);
@@ -1062,7 +1065,7 @@ static int enic_poll(struct napi_struct *napi, int budget)
/* If no work done, flush all LROs and exit polling
*/
- if (ENIC_SETTING(enic, LRO))
+ if (netdev->features & NETIF_F_LRO)
lro_flush_all(&enic->lro_mgr);
netif_rx_complete(netdev, napi);
@@ -1106,7 +1109,7 @@ static int enic_poll_msix(struct napi_struct *napi, int budget)
/* If no work done, flush all LROs and exit polling
*/
- if (ENIC_SETTING(enic, LRO))
+ if (netdev->features & NETIF_F_LRO)
lro_flush_all(&enic->lro_mgr);
netif_rx_complete(netdev, napi);
@@ -1762,13 +1765,13 @@ static int __devinit enic_probe(struct pci_dev *pdev,
}
/* Get available resource counts
- */
+ */
enic_get_res_counts(enic);
/* Set interrupt mode based on resource counts and system
* capabilities
- */
+ */
err = enic_set_intr_mode(enic);
if (err) {
@@ -1849,22 +1852,23 @@ static int __devinit enic_probe(struct pci_dev *pdev,
if (ENIC_SETTING(enic, TSO))
netdev->features |= NETIF_F_TSO |
NETIF_F_TSO6 | NETIF_F_TSO_ECN;
+ if (ENIC_SETTING(enic, LRO))
+ netdev->features |= NETIF_F_LRO;
if (using_dac)
netdev->features |= NETIF_F_HIGHDMA;
enic->csum_rx_enabled = ENIC_SETTING(enic, RXCSUM);
- if (ENIC_SETTING(enic, LRO)) {
- enic->lro_mgr.max_aggr = ENIC_LRO_MAX_AGGR;
- enic->lro_mgr.max_desc = ENIC_LRO_MAX_DESC;
- enic->lro_mgr.lro_arr = enic->lro_desc;
- enic->lro_mgr.get_skb_header = enic_get_skb_header;
- enic->lro_mgr.features = LRO_F_NAPI | LRO_F_EXTRACT_VLAN_ID;
- enic->lro_mgr.dev = netdev;
- enic->lro_mgr.ip_summed = CHECKSUM_COMPLETE;
- enic->lro_mgr.ip_summed_aggr = CHECKSUM_UNNECESSARY;
- }
+ enic->lro_mgr.max_aggr = ENIC_LRO_MAX_AGGR;
+ enic->lro_mgr.max_desc = ENIC_LRO_MAX_DESC;
+ enic->lro_mgr.lro_arr = enic->lro_desc;
+ enic->lro_mgr.get_skb_header = enic_get_skb_header;
+ enic->lro_mgr.features = LRO_F_NAPI | LRO_F_EXTRACT_VLAN_ID;
+ enic->lro_mgr.dev = netdev;
+ enic->lro_mgr.ip_summed = CHECKSUM_COMPLETE;
+ enic->lro_mgr.ip_summed_aggr = CHECKSUM_UNNECESSARY;
+
err = register_netdev(netdev);
if (err) {