summaryrefslogtreecommitdiff
path: root/drivers/infiniband/ulp/ipoib/ipoib_main.c
diff options
context:
space:
mode:
authorLinus Torvalds <torvalds@linux-foundation.org>2011-01-12 03:30:08 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2011-01-12 03:30:08 +0300
commitf1d6d6cd9029daa7e7d4a0b14347b5392320f22a (patch)
tree673e1940d385cfc625ed7583b54117ca97216734 /drivers/infiniband/ulp/ipoib/ipoib_main.c
parentb9d919a4ac6cf031b8e065f82ad8f1b0c9ed74b1 (diff)
parent2b76c05794e66655e10633d2d78287854c991f63 (diff)
downloadlinux-f1d6d6cd9029daa7e7d4a0b14347b5392320f22a.tar.xz
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband: (42 commits) IB/qib: Fix refcount leak in lkey/rkey validation IB/qib: Improve SERDES tunning on QMH boards IB/qib: Unnecessary delayed completions on RC connection IB/qib: Issue pre-emptive NAKs on eager buffer overflow IB/qib: RDMA lkey/rkey validation is inefficient for large MRs IB/qib: Change QPN increment IB/qib: Add fix missing from earlier patch IB/qib: Change receive queue/QPN selection IB/qib: Fix interrupt mitigation IB/qib: Avoid duplicate writes to the rcv head register IB/qib: Add a few new SERDES tunings IB/qib: Reset packet list after freeing IB/qib: New SERDES init routine and improvements to SI quality IB/qib: Clear WAIT_SEND flags when setting QP to error state IB/qib: Fix context allocation with multiple HCAs IB/qib: Fix multi-Florida HCA host panic on reboot IB/qib: Handle transitions from ACTIVE_DEFERRED to ACTIVE better IB/qib: UD send with immediate receive completion has wrong size IB/qib: Set port physical state even if other fields are invalid IB/qib: Generate completion callback on errors ...
Diffstat (limited to 'drivers/infiniband/ulp/ipoib/ipoib_main.c')
-rw-r--r--drivers/infiniband/ulp/ipoib/ipoib_main.c62
1 files changed, 1 insertions, 61 deletions
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_main.c b/drivers/infiniband/ulp/ipoib/ipoib_main.c
index 9ff7bc73ed95..7a07a728fe0d 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_main.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_main.c
@@ -60,15 +60,6 @@ MODULE_PARM_DESC(send_queue_size, "Number of descriptors in send queue");
module_param_named(recv_queue_size, ipoib_recvq_size, int, 0444);
MODULE_PARM_DESC(recv_queue_size, "Number of descriptors in receive queue");
-static int lro;
-module_param(lro, bool, 0444);
-MODULE_PARM_DESC(lro, "Enable LRO (Large Receive Offload)");
-
-static int lro_max_aggr = IPOIB_LRO_MAX_AGGR;
-module_param(lro_max_aggr, int, 0644);
-MODULE_PARM_DESC(lro_max_aggr, "LRO: Max packets to be aggregated "
- "(default = 64)");
-
#ifdef CONFIG_INFINIBAND_IPOIB_DEBUG
int ipoib_debug_level;
@@ -976,54 +967,6 @@ static const struct header_ops ipoib_header_ops = {
.create = ipoib_hard_header,
};
-static int get_skb_hdr(struct sk_buff *skb, void **iphdr,
- void **tcph, u64 *hdr_flags, void *priv)
-{
- unsigned int ip_len;
- struct iphdr *iph;
-
- if (unlikely(skb->protocol != htons(ETH_P_IP)))
- return -1;
-
- /*
- * In the future we may add an else clause that verifies the
- * checksum and allows devices which do not calculate checksum
- * to use LRO.
- */
- if (unlikely(skb->ip_summed != CHECKSUM_UNNECESSARY))
- return -1;
-
- /* Check for non-TCP packet */
- skb_reset_network_header(skb);
- iph = ip_hdr(skb);
- if (iph->protocol != IPPROTO_TCP)
- return -1;
-
- ip_len = ip_hdrlen(skb);
- skb_set_transport_header(skb, ip_len);
- *tcph = tcp_hdr(skb);
-
- /* check if IP header and TCP header are complete */
- if (ntohs(iph->tot_len) < ip_len + tcp_hdrlen(skb))
- return -1;
-
- *hdr_flags = LRO_IPV4 | LRO_TCP;
- *iphdr = iph;
-
- return 0;
-}
-
-static void ipoib_lro_setup(struct ipoib_dev_priv *priv)
-{
- priv->lro.lro_mgr.max_aggr = lro_max_aggr;
- priv->lro.lro_mgr.max_desc = IPOIB_MAX_LRO_DESCRIPTORS;
- priv->lro.lro_mgr.lro_arr = priv->lro.lro_desc;
- priv->lro.lro_mgr.get_skb_header = get_skb_hdr;
- priv->lro.lro_mgr.features = LRO_F_NAPI;
- priv->lro.lro_mgr.dev = priv->dev;
- priv->lro.lro_mgr.ip_summed_aggr = CHECKSUM_UNNECESSARY;
-}
-
static const struct net_device_ops ipoib_netdev_ops = {
.ndo_open = ipoib_open,
.ndo_stop = ipoib_stop,
@@ -1067,8 +1010,6 @@ static void ipoib_setup(struct net_device *dev)
priv->dev = dev;
- ipoib_lro_setup(priv);
-
spin_lock_init(&priv->lock);
mutex_init(&priv->vlan_mutex);
@@ -1218,8 +1159,7 @@ int ipoib_set_dev_features(struct ipoib_dev_priv *priv, struct ib_device *hca)
priv->dev->features |= NETIF_F_SG | NETIF_F_IP_CSUM;
}
- if (lro)
- priv->dev->features |= NETIF_F_LRO;
+ priv->dev->features |= NETIF_F_GRO;
if (priv->dev->features & NETIF_F_SG && priv->hca_caps & IB_DEVICE_UD_TSO)
priv->dev->features |= NETIF_F_TSO;