Subject: [PATCH 06/08] ipg: per-device rxsupport_size From: Pekka Enberg Add a ->max_rxframe member to struct ipg_nic_private and convert the users of IPG_RXSUPPORT_SIZE to use it instead to enable per-device jumbo frame configuration. Tested-by: Andrew Savchenko Signed-off-by: Pekka Enberg --- drivers/net/ipg.c | 9 +++++---- drivers/net/ipg.h | 1 + 2 files changed, 6 insertions(+), 4 deletions(-) Index: linux-2.6/drivers/net/ipg.c =================================================================== --- linux-2.6.orig/drivers/net/ipg.c +++ linux-2.6/drivers/net/ipg.c @@ -730,7 +730,7 @@ static int ipg_get_rxbuff(struct net_dev IPG_DEBUG_MSG("_get_rxbuff\n"); - skb = netdev_alloc_skb(dev, IPG_RXSUPPORT_SIZE + NET_IP_ALIGN); + skb = netdev_alloc_skb(dev, sp->rxsupport_size + NET_IP_ALIGN); if (!skb) { sp->rx_buff[entry] = NULL; return -ENOMEM; @@ -1270,7 +1270,7 @@ static void ipg_nic_rx_with_end(struct n framelen = le64_to_cpu(rxfd->rfs) & IPG_RFS_RXFRAMELEN; endframelen = framelen - jumbo->current_size; - if (framelen > IPG_RXSUPPORT_SIZE) + if (framelen > sp->rxsupport_size) dev_kfree_skb_irq(jumbo->skb); else { memcpy(skb_put(jumbo->skb, endframelen), @@ -1311,7 +1311,7 @@ static void ipg_nic_rx_no_start_no_end(s if (skb) { if (jumbo->found_start) { jumbo->current_size += sp->rxfrag_size; - if (jumbo->current_size <= IPG_RXSUPPORT_SIZE) { + if (jumbo->current_size <= sp->rxsupport_size) { memcpy(skb_put(jumbo->skb, sp->rxfrag_size), skb->data, sp->rxfrag_size); @@ -1744,7 +1744,7 @@ static int ipg_nic_open(struct net_devic IPG_DEBUG_MSG("_nic_open\n"); - sp->rx_buf_sz = IPG_RXSUPPORT_SIZE; + sp->rx_buf_sz = sp->rxsupport_size; /* Check for interrupt line conflicts, and request interrupt * line for IPG. @@ -2237,6 +2237,7 @@ static int __devinit ipg_probe(struct pc sp->is_jumbo = IPG_JUMBO; sp->rxfrag_size = IPG_RXFRAG_SIZE; + sp->rxsupport_size = IPG_RXSUPPORT_SIZE; /* Declare IPG NIC functions for Ethernet device methods. */ Index: linux-2.6/drivers/net/ipg.h =================================================================== --- linux-2.6.orig/drivers/net/ipg.h +++ linux-2.6/drivers/net/ipg.h @@ -797,6 +797,7 @@ struct ipg_nic_private { bool is_jumbo; struct ipg_jumbo jumbo; unsigned long rxfrag_size; + unsigned long rxsupport_size; unsigned int rx_buf_sz; struct pci_dev *pdev; struct net_device *dev;