Merge branch 'e1000' of ssh://198.78.49.142/srv/git/intel/linux-2.6
This commit is contained in:
Jeff Garzik
commit
b5b9d6647c
|
|
@ -225,9 +225,6 @@ struct e1000_rx_ring {
|
|||
struct e1000_ps_page *ps_page;
|
||||
struct e1000_ps_page_dma *ps_page_dma;
|
||||
|
||||
struct sk_buff *rx_skb_top;
|
||||
struct sk_buff *rx_skb_prev;
|
||||
|
||||
/* cpu for rx queue */
|
||||
int cpu;
|
||||
|
||||
|
|
|
|||
|
|
@ -103,7 +103,7 @@ static char e1000_driver_string[] = "Intel(R) PRO/1000 Network Driver";
|
|||
#else
|
||||
#define DRIVERNAPI "-NAPI"
|
||||
#endif
|
||||
#define DRV_VERSION "6.3.9-k2"DRIVERNAPI
|
||||
#define DRV_VERSION "6.3.9-k4"DRIVERNAPI
|
||||
char e1000_driver_version[] = DRV_VERSION;
|
||||
static char e1000_copyright[] = "Copyright (c) 1999-2005 Intel Corporation.";
|
||||
|
||||
|
|
@ -1635,8 +1635,6 @@ setup_rx_desc_die:
|
|||
|
||||
rxdr->next_to_clean = 0;
|
||||
rxdr->next_to_use = 0;
|
||||
rxdr->rx_skb_top = NULL;
|
||||
rxdr->rx_skb_prev = NULL;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
|
@ -1713,8 +1711,23 @@ e1000_setup_rctl(struct e1000_adapter *adapter)
|
|||
rctl |= adapter->rx_buffer_len << 0x11;
|
||||
} else {
|
||||
rctl &= ~E1000_RCTL_SZ_4096;
|
||||
rctl &= ~E1000_RCTL_BSEX;
|
||||
rctl |= E1000_RCTL_SZ_2048;
|
||||
rctl |= E1000_RCTL_BSEX;
|
||||
switch (adapter->rx_buffer_len) {
|
||||
case E1000_RXBUFFER_2048:
|
||||
default:
|
||||
rctl |= E1000_RCTL_SZ_2048;
|
||||
rctl &= ~E1000_RCTL_BSEX;
|
||||
break;
|
||||
case E1000_RXBUFFER_4096:
|
||||
rctl |= E1000_RCTL_SZ_4096;
|
||||
break;
|
||||
case E1000_RXBUFFER_8192:
|
||||
rctl |= E1000_RCTL_SZ_8192;
|
||||
break;
|
||||
case E1000_RXBUFFER_16384:
|
||||
rctl |= E1000_RCTL_SZ_16384;
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
#ifndef CONFIG_E1000_DISABLE_PACKET_SPLIT
|
||||
|
|
@ -2107,16 +2120,6 @@ e1000_clean_rx_ring(struct e1000_adapter *adapter,
|
|||
}
|
||||
}
|
||||
|
||||
/* there also may be some cached data in our adapter */
|
||||
if (rx_ring->rx_skb_top) {
|
||||
dev_kfree_skb(rx_ring->rx_skb_top);
|
||||
|
||||
/* rx_skb_prev will be wiped out by rx_skb_top */
|
||||
rx_ring->rx_skb_top = NULL;
|
||||
rx_ring->rx_skb_prev = NULL;
|
||||
}
|
||||
|
||||
|
||||
size = sizeof(struct e1000_buffer) * rx_ring->count;
|
||||
memset(rx_ring->buffer_info, 0, size);
|
||||
size = sizeof(struct e1000_ps_page) * rx_ring->count;
|
||||
|
|
@ -3106,24 +3109,27 @@ e1000_change_mtu(struct net_device *netdev, int new_mtu)
|
|||
break;
|
||||
}
|
||||
|
||||
/* since the driver code now supports splitting a packet across
|
||||
* multiple descriptors, most of the fifo related limitations on
|
||||
* jumbo frame traffic have gone away.
|
||||
* simply use 2k descriptors for everything.
|
||||
*
|
||||
* NOTE: dev_alloc_skb reserves 16 bytes, and typically NET_IP_ALIGN
|
||||
* means we reserve 2 more, this pushes us to allocate from the next
|
||||
* larger slab size
|
||||
* i.e. RXBUFFER_2048 --> size-4096 slab */
|
||||
|
||||
/* recent hardware supports 1KB granularity */
|
||||
if (adapter->hw.mac_type > e1000_82547_rev_2) {
|
||||
adapter->rx_buffer_len =
|
||||
((max_frame < E1000_RXBUFFER_2048) ?
|
||||
max_frame : E1000_RXBUFFER_2048);
|
||||
adapter->rx_buffer_len = max_frame;
|
||||
E1000_ROUNDUP(adapter->rx_buffer_len, 1024);
|
||||
} else
|
||||
adapter->rx_buffer_len = E1000_RXBUFFER_2048;
|
||||
} else {
|
||||
if(unlikely((adapter->hw.mac_type < e1000_82543) &&
|
||||
(max_frame > MAXIMUM_ETHERNET_FRAME_SIZE))) {
|
||||
DPRINTK(PROBE, ERR, "Jumbo Frames not supported "
|
||||
"on 82542\n");
|
||||
return -EINVAL;
|
||||
} else {
|
||||
if(max_frame <= E1000_RXBUFFER_2048)
|
||||
adapter->rx_buffer_len = E1000_RXBUFFER_2048;
|
||||
else if(max_frame <= E1000_RXBUFFER_4096)
|
||||
adapter->rx_buffer_len = E1000_RXBUFFER_4096;
|
||||
else if(max_frame <= E1000_RXBUFFER_8192)
|
||||
adapter->rx_buffer_len = E1000_RXBUFFER_8192;
|
||||
else if(max_frame <= E1000_RXBUFFER_16384)
|
||||
adapter->rx_buffer_len = E1000_RXBUFFER_16384;
|
||||
}
|
||||
}
|
||||
|
||||
netdev->mtu = new_mtu;
|
||||
|
||||
|
|
@ -3620,7 +3626,7 @@ e1000_clean_rx_irq(struct e1000_adapter *adapter,
|
|||
uint8_t last_byte;
|
||||
unsigned int i;
|
||||
int cleaned_count = 0;
|
||||
boolean_t cleaned = FALSE, multi_descriptor = FALSE;
|
||||
boolean_t cleaned = FALSE;
|
||||
|
||||
i = rx_ring->next_to_clean;
|
||||
rx_desc = E1000_RX_DESC(*rx_ring, i);
|
||||
|
|
@ -3652,43 +3658,12 @@ e1000_clean_rx_irq(struct e1000_adapter *adapter,
|
|||
|
||||
length = le16_to_cpu(rx_desc->length);
|
||||
|
||||
skb_put(skb, length);
|
||||
|
||||
if (!(status & E1000_RXD_STAT_EOP)) {
|
||||
if (!rx_ring->rx_skb_top) {
|
||||
rx_ring->rx_skb_top = skb;
|
||||
rx_ring->rx_skb_top->len = length;
|
||||
rx_ring->rx_skb_prev = skb;
|
||||
} else {
|
||||
if (skb_shinfo(rx_ring->rx_skb_top)->frag_list) {
|
||||
rx_ring->rx_skb_prev->next = skb;
|
||||
skb->prev = rx_ring->rx_skb_prev;
|
||||
} else {
|
||||
skb_shinfo(rx_ring->rx_skb_top)->frag_list = skb;
|
||||
}
|
||||
rx_ring->rx_skb_prev = skb;
|
||||
rx_ring->rx_skb_top->data_len += length;
|
||||
}
|
||||
if (unlikely(!(status & E1000_RXD_STAT_EOP))) {
|
||||
/* All receives must fit into a single buffer */
|
||||
E1000_DBG("%s: Receive packet consumed multiple"
|
||||
" buffers\n", netdev->name);
|
||||
dev_kfree_skb_irq(skb);
|
||||
goto next_desc;
|
||||
} else {
|
||||
if (rx_ring->rx_skb_top) {
|
||||
if (skb_shinfo(rx_ring->rx_skb_top)
|
||||
->frag_list) {
|
||||
rx_ring->rx_skb_prev->next = skb;
|
||||
skb->prev = rx_ring->rx_skb_prev;
|
||||
} else
|
||||
skb_shinfo(rx_ring->rx_skb_top)
|
||||
->frag_list = skb;
|
||||
|
||||
rx_ring->rx_skb_top->data_len += length;
|
||||
rx_ring->rx_skb_top->len +=
|
||||
rx_ring->rx_skb_top->data_len;
|
||||
|
||||
skb = rx_ring->rx_skb_top;
|
||||
multi_descriptor = TRUE;
|
||||
rx_ring->rx_skb_top = NULL;
|
||||
rx_ring->rx_skb_prev = NULL;
|
||||
}
|
||||
}
|
||||
|
||||
if (unlikely(rx_desc->errors & E1000_RXD_ERR_FRAME_ERR_MASK)) {
|
||||
|
|
@ -3712,10 +3687,7 @@ e1000_clean_rx_irq(struct e1000_adapter *adapter,
|
|||
* performance for small packets with large amounts
|
||||
* of reassembly being done in the stack */
|
||||
#define E1000_CB_LENGTH 256
|
||||
if ((length < E1000_CB_LENGTH) &&
|
||||
!rx_ring->rx_skb_top &&
|
||||
/* or maybe (status & E1000_RXD_STAT_EOP) && */
|
||||
!multi_descriptor) {
|
||||
if (length < E1000_CB_LENGTH) {
|
||||
struct sk_buff *new_skb =
|
||||
dev_alloc_skb(length + NET_IP_ALIGN);
|
||||
if (new_skb) {
|
||||
|
|
@ -3729,7 +3701,8 @@ e1000_clean_rx_irq(struct e1000_adapter *adapter,
|
|||
skb = new_skb;
|
||||
skb_put(skb, length);
|
||||
}
|
||||
}
|
||||
} else
|
||||
skb_put(skb, length);
|
||||
|
||||
/* end copybreak code */
|
||||
|
||||
|
|
|
|||
Loading…
Reference in New Issue