/****************************************************************************
* Driver for Solarflare Solarstorm network controllers and boards
* Copyright 2005-2006 Fen Systems Ltd.
- * Copyright 2005-2008 Solarflare Communications Inc.
+ * Copyright 2005-2009 Solarflare Communications Inc.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 as published
#include <net/ip.h>
#include <net/checksum.h>
#include "net_driver.h"
-#include "rx.h"
#include "efx.h"
-#include "falcon.h"
+#include "nic.h"
#include "selftest.h"
#include "workarounds.h"
out:
/* Send write pointer to card. */
- falcon_notify_rx_desc(rx_queue);
+ efx_nic_notify_rx_desc(rx_queue);
/* If the fast fill is running inside from the refill tasklet, then
* for SMP systems it may be running on a different CPU to
/* Pass the skb/page into the LRO engine */
if (rx_buf->page) {
- struct sk_buff *skb = napi_get_frags(napi);
+ struct page *page = rx_buf->page;
+ struct sk_buff *skb;
+ EFX_BUG_ON_PARANOID(rx_buf->skb);
+ rx_buf->page = NULL;
+
+ skb = napi_get_frags(napi);
if (!skb) {
- put_page(rx_buf->page);
- gro_result = GRO_DROP;
- goto out;
+ put_page(page);
+ return;
}
- skb_shinfo(skb)->frags[0].page = rx_buf->page;
+ skb_shinfo(skb)->frags[0].page = page;
skb_shinfo(skb)->frags[0].page_offset =
efx_rx_buf_offset(rx_buf);
skb_shinfo(skb)->frags[0].size = rx_buf->len;
skb->ip_summed =
checksummed ? CHECKSUM_UNNECESSARY : CHECKSUM_NONE;
- gro_result = napi_gro_frags(napi);
+ skb_record_rx_queue(skb, channel->channel);
-out:
- EFX_BUG_ON_PARANOID(rx_buf->skb);
- rx_buf->page = NULL;
+ gro_result = napi_gro_frags(napi);
} else {
- EFX_BUG_ON_PARANOID(!rx_buf->skb);
- EFX_BUG_ON_PARANOID(!checksummed);
+ struct sk_buff *skb = rx_buf->skb;
- gro_result = napi_gro_receive(napi, rx_buf->skb);
+ EFX_BUG_ON_PARANOID(!skb);
+ EFX_BUG_ON_PARANOID(!checksummed);
rx_buf->skb = NULL;
+
+ gro_result = napi_gro_receive(napi, skb);
}
if (gro_result == GRO_NORMAL) {
if (unlikely(efx->loopback_selftest)) {
efx_loopback_rx_packet(efx, rx_buf->data, rx_buf->len);
efx_free_rx_buffer(efx, rx_buf);
- goto done;
+ return;
}
if (rx_buf->skb) {
* at the ethernet header */
rx_buf->skb->protocol = eth_type_trans(rx_buf->skb,
efx->net_dev);
+
+ skb_record_rx_queue(rx_buf->skb, channel->channel);
}
if (likely(checksummed || rx_buf->page)) {
efx_rx_packet_lro(channel, rx_buf, checksummed);
- goto done;
+ return;
}
/* We now own the SKB */
skb = rx_buf->skb;
rx_buf->skb = NULL;
-
- EFX_BUG_ON_PARANOID(rx_buf->page);
- EFX_BUG_ON_PARANOID(rx_buf->skb);
EFX_BUG_ON_PARANOID(!skb);
/* Set the SKB flags */
skb->ip_summed = CHECKSUM_NONE;
- skb_record_rx_queue(skb, channel->channel);
-
/* Pass the packet up */
netif_receive_skb(skb);
/* Update allocation strategy method */
channel->rx_alloc_level += RX_ALLOC_FACTOR_SKB;
-
-done:
- ;
}
void efx_rx_strategy(struct efx_channel *channel)
if (!rx_queue->buffer)
return -ENOMEM;
- rc = falcon_probe_rx(rx_queue);
+ rc = efx_nic_probe_rx(rx_queue);
if (rc) {
kfree(rx_queue->buffer);
rx_queue->buffer = NULL;
rx_queue->fast_fill_limit = limit;
/* Set up RX descriptor ring */
- falcon_init_rx(rx_queue);
+ efx_nic_init_rx(rx_queue);
}
void efx_fini_rx_queue(struct efx_rx_queue *rx_queue)
EFX_LOG(rx_queue->efx, "shutting down RX queue %d\n", rx_queue->queue);
- falcon_fini_rx(rx_queue);
+ efx_nic_fini_rx(rx_queue);
/* Release RX buffers NB start at index 0 not current HW ptr */
if (rx_queue->buffer) {
{
EFX_LOG(rx_queue->efx, "destroying RX queue %d\n", rx_queue->queue);
- falcon_remove_rx(rx_queue);
+ efx_nic_remove_rx(rx_queue);
kfree(rx_queue->buffer);
rx_queue->buffer = NULL;