/****************************************************************************
* 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 <linux/socket.h>
#include <linux/in.h>
+#include <linux/slab.h>
#include <linux/ip.h>
#include <linux/tcp.h>
#include <linux/udp.h>
#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"
* rx_alloc_method = (rx_alloc_level > RX_ALLOC_LEVEL_LRO ?
* RX_ALLOC_METHOD_PAGE : RX_ALLOC_METHOD_SKB)
*/
-static int rx_alloc_method = RX_ALLOC_METHOD_PAGE;
+static int rx_alloc_method = RX_ALLOC_METHOD_AUTO;
#define RX_ALLOC_LEVEL_LRO 0x2000
#define RX_ALLOC_LEVEL_MAX 0x3000
*/
#define EFX_RXD_HEAD_ROOM 2
-/* Macros for zero-order pages (potentially) containing multiple RX buffers */
-#define RX_DATA_OFFSET(_data) \
- (((unsigned long) (_data)) & (PAGE_SIZE-1))
-#define RX_BUF_OFFSET(_rx_buf) \
- RX_DATA_OFFSET((_rx_buf)->data)
-
-#define RX_PAGE_SIZE(_efx) \
- (PAGE_SIZE * (1u << (_efx)->rx_buffer_order))
-
-
-/**************************************************************************
- *
- * Linux generic LRO handling
- *
- **************************************************************************
- */
-
-static int efx_lro_get_skb_hdr(struct sk_buff *skb, void **ip_hdr,
- void **tcpudp_hdr, u64 *hdr_flags, void *priv)
+static inline unsigned int efx_rx_buf_offset(struct efx_rx_buffer *buf)
{
- struct efx_channel *channel = (struct efx_channel *)priv;
- struct iphdr *iph;
- struct tcphdr *th;
-
- iph = (struct iphdr *)skb->data;
- if (skb->protocol != htons(ETH_P_IP) || iph->protocol != IPPROTO_TCP)
- goto fail;
-
- th = (struct tcphdr *)(skb->data + iph->ihl * 4);
-
- *tcpudp_hdr = th;
- *ip_hdr = iph;
- *hdr_flags = LRO_IPV4 | LRO_TCP;
-
- channel->rx_alloc_level += RX_ALLOC_FACTOR_LRO;
- return 0;
-fail:
- channel->rx_alloc_level += RX_ALLOC_FACTOR_SKB;
- return -1;
-}
-
-static int efx_get_frag_hdr(struct skb_frag_struct *frag, void **mac_hdr,
- void **ip_hdr, void **tcpudp_hdr, u64 *hdr_flags,
- void *priv)
-{
- struct efx_channel *channel = (struct efx_channel *)priv;
- struct ethhdr *eh;
- struct iphdr *iph;
-
- /* We support EtherII and VLAN encapsulated IPv4 */
- eh = (struct ethhdr *)(page_address(frag->page) + frag->page_offset);
- *mac_hdr = eh;
-
- if (eh->h_proto == htons(ETH_P_IP)) {
- iph = (struct iphdr *)(eh + 1);
- } else {
- struct vlan_ethhdr *veh = (struct vlan_ethhdr *)eh;
- if (veh->h_vlan_encapsulated_proto != htons(ETH_P_IP))
- goto fail;
-
- iph = (struct iphdr *)(veh + 1);
- }
- *ip_hdr = iph;
-
- /* We can only do LRO over TCP */
- if (iph->protocol != IPPROTO_TCP)
- goto fail;
-
- *hdr_flags = LRO_IPV4 | LRO_TCP;
- *tcpudp_hdr = (struct tcphdr *)((u8 *) iph + iph->ihl * 4);
-
- channel->rx_alloc_level += RX_ALLOC_FACTOR_LRO;
- return 0;
- fail:
- channel->rx_alloc_level += RX_ALLOC_FACTOR_SKB;
- return -1;
+ /* Offset is always within one page, so we don't need to consider
+ * the page order.
+ */
+ return (__force unsigned long) buf->data & (PAGE_SIZE - 1);
}
-
-int efx_lro_init(struct net_lro_mgr *lro_mgr, struct efx_nic *efx)
+static inline unsigned int efx_rx_buf_size(struct efx_nic *efx)
{
- size_t s = sizeof(struct net_lro_desc) * EFX_MAX_LRO_DESCRIPTORS;
- struct net_lro_desc *lro_arr;
-
- /* Allocate the LRO descriptors structure */
- lro_arr = kzalloc(s, GFP_KERNEL);
- if (lro_arr == NULL)
- return -ENOMEM;
-
- lro_mgr->lro_arr = lro_arr;
- lro_mgr->max_desc = EFX_MAX_LRO_DESCRIPTORS;
- lro_mgr->max_aggr = EFX_MAX_LRO_AGGR;
- lro_mgr->frag_align_pad = EFX_PAGE_SKB_ALIGN;
-
- lro_mgr->get_skb_header = efx_lro_get_skb_hdr;
- lro_mgr->get_frag_header = efx_get_frag_hdr;
- lro_mgr->dev = efx->net_dev;
-
- lro_mgr->features = LRO_F_NAPI;
-
- /* We can pass packets up with the checksum intact */
- lro_mgr->ip_summed = CHECKSUM_UNNECESSARY;
-
- lro_mgr->ip_summed_aggr = CHECKSUM_UNNECESSARY;
-
- return 0;
+ return PAGE_SIZE << efx->rx_buffer_order;
}
-void efx_lro_fini(struct net_lro_mgr *lro_mgr)
-{
- kfree(lro_mgr->lro_arr);
- lro_mgr->lro_arr = NULL;
-}
/**
* efx_init_rx_buffer_skb - create new RX buffer using skb-based allocation
* and populates a struct efx_rx_buffer with the relevant
* information. Return a negative error code or 0 on success.
*/
-static inline int efx_init_rx_buffer_skb(struct efx_rx_queue *rx_queue,
- struct efx_rx_buffer *rx_buf)
+static int efx_init_rx_buffer_skb(struct efx_rx_queue *rx_queue,
+ struct efx_rx_buffer *rx_buf)
{
struct efx_nic *efx = rx_queue->efx;
struct net_device *net_dev = efx->net_dev;
rx_buf->data, rx_buf->len,
PCI_DMA_FROMDEVICE);
- if (unlikely(pci_dma_mapping_error(rx_buf->dma_addr))) {
+ if (unlikely(pci_dma_mapping_error(efx->pci_dev, rx_buf->dma_addr))) {
dev_kfree_skb_any(rx_buf->skb);
rx_buf->skb = NULL;
return -EIO;
* and populates a struct efx_rx_buffer with the relevant
* information. Return a negative error code or 0 on success.
*/
-static inline int efx_init_rx_buffer_page(struct efx_rx_queue *rx_queue,
- struct efx_rx_buffer *rx_buf)
+static int efx_init_rx_buffer_page(struct efx_rx_queue *rx_queue,
+ struct efx_rx_buffer *rx_buf)
{
struct efx_nic *efx = rx_queue->efx;
int bytes, space, offset;
return -ENOMEM;
dma_addr = pci_map_page(efx->pci_dev, rx_buf->page,
- 0, RX_PAGE_SIZE(efx),
+ 0, efx_rx_buf_size(efx),
PCI_DMA_FROMDEVICE);
- if (unlikely(pci_dma_mapping_error(dma_addr))) {
+ if (unlikely(pci_dma_mapping_error(efx->pci_dev, dma_addr))) {
__free_pages(rx_buf->page, efx->rx_buffer_order);
rx_buf->page = NULL;
return -EIO;
rx_queue->buf_page = rx_buf->page;
rx_queue->buf_dma_addr = dma_addr;
- rx_queue->buf_data = ((char *) page_address(rx_buf->page) +
+ rx_queue->buf_data = (page_address(rx_buf->page) +
EFX_PAGE_IP_ALIGN);
}
- offset = RX_DATA_OFFSET(rx_queue->buf_data);
rx_buf->len = bytes;
- rx_buf->dma_addr = rx_queue->buf_dma_addr + offset;
rx_buf->data = rx_queue->buf_data;
+ offset = efx_rx_buf_offset(rx_buf);
+ rx_buf->dma_addr = rx_queue->buf_dma_addr + offset;
/* Try to pack multiple buffers per page */
if (efx->rx_buffer_order == 0) {
rx_queue->buf_data += ((bytes + 0x1ff) & ~0x1ff);
offset += ((bytes + 0x1ff) & ~0x1ff);
- space = RX_PAGE_SIZE(efx) - offset;
+ space = efx_rx_buf_size(efx) - offset;
if (space >= bytes) {
/* Refs dropped on kernel releasing each skb */
get_page(rx_queue->buf_page);
* and populates a struct efx_rx_buffer with the relevant
* information.
*/
-static inline int efx_init_rx_buffer(struct efx_rx_queue *rx_queue,
- struct efx_rx_buffer *new_rx_buf)
+static int efx_init_rx_buffer(struct efx_rx_queue *rx_queue,
+ struct efx_rx_buffer *new_rx_buf)
{
int rc = 0;
return rc;
}
-static inline void efx_unmap_rx_buffer(struct efx_nic *efx,
- struct efx_rx_buffer *rx_buf)
+static void efx_unmap_rx_buffer(struct efx_nic *efx,
+ struct efx_rx_buffer *rx_buf)
{
if (rx_buf->page) {
EFX_BUG_ON_PARANOID(rx_buf->skb);
if (rx_buf->unmap_addr) {
pci_unmap_page(efx->pci_dev, rx_buf->unmap_addr,
- RX_PAGE_SIZE(efx), PCI_DMA_FROMDEVICE);
+ efx_rx_buf_size(efx),
+ PCI_DMA_FROMDEVICE);
rx_buf->unmap_addr = 0;
}
} else if (likely(rx_buf->skb)) {
}
}
-static inline void efx_free_rx_buffer(struct efx_nic *efx,
- struct efx_rx_buffer *rx_buf)
+static void efx_free_rx_buffer(struct efx_nic *efx,
+ struct efx_rx_buffer *rx_buf)
{
if (rx_buf->page) {
__free_pages(rx_buf->page, efx->rx_buffer_order);
}
}
-static inline void efx_fini_rx_buffer(struct efx_rx_queue *rx_queue,
- struct efx_rx_buffer *rx_buf)
+static void efx_fini_rx_buffer(struct efx_rx_queue *rx_queue,
+ struct efx_rx_buffer *rx_buf)
{
efx_unmap_rx_buffer(rx_queue->efx, rx_buf);
efx_free_rx_buffer(rx_queue->efx, rx_buf);
* fill anyway.
*/
fill_level = (rx_queue->added_count - rx_queue->removed_count);
- EFX_BUG_ON_PARANOID(fill_level >
- rx_queue->efx->type->rxd_ring_mask + 1);
+ EFX_BUG_ON_PARANOID(fill_level > EFX_RXQ_SIZE);
/* Don't fill if we don't need to */
if (fill_level >= rx_queue->fast_fill_trigger)
retry:
/* Recalculate current fill level now that we have the lock */
fill_level = (rx_queue->added_count - rx_queue->removed_count);
- EFX_BUG_ON_PARANOID(fill_level >
- rx_queue->efx->type->rxd_ring_mask + 1);
+ EFX_BUG_ON_PARANOID(fill_level > EFX_RXQ_SIZE);
space = rx_queue->fast_fill_limit - fill_level;
if (space < EFX_RX_BATCH)
goto out_unlock;
do {
for (i = 0; i < EFX_RX_BATCH; ++i) {
- index = (rx_queue->added_count &
- rx_queue->efx->type->rxd_ring_mask);
+ index = rx_queue->added_count & EFX_RXQ_MASK;
rx_buf = efx_rx_buffer(rx_queue, index);
rc = efx_init_rx_buffer(rx_queue, rx_buf);
if (unlikely(rc))
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
efx_schedule_slow_fill(rx_queue, 1);
}
-static inline void efx_rx_packet__check_len(struct efx_rx_queue *rx_queue,
- struct efx_rx_buffer *rx_buf,
- int len, int *discard,
- int *leak_packet)
+static void efx_rx_packet__check_len(struct efx_rx_queue *rx_queue,
+ struct efx_rx_buffer *rx_buf,
+ int len, bool *discard,
+ bool *leak_packet)
{
struct efx_nic *efx = rx_queue->efx;
unsigned max_len = rx_buf->len - efx->type->rx_buffer_padding;
/* The packet must be discarded, but this is only a fatal error
* if the caller indicated it was
*/
- *discard = 1;
+ *discard = true;
if ((len > rx_buf->len) && EFX_WORKAROUND_8071(efx)) {
EFX_ERR_RL(efx, " RX queue %d seriously overlength "
* Handles driverlink veto, and passes the fragment up via
* the appropriate LRO method
*/
-static inline void efx_rx_packet_lro(struct efx_channel *channel,
- struct efx_rx_buffer *rx_buf)
+static void efx_rx_packet_lro(struct efx_channel *channel,
+ struct efx_rx_buffer *rx_buf,
+ bool checksummed)
{
- struct net_lro_mgr *lro_mgr = &channel->lro_mgr;
- void *priv = channel;
+ struct napi_struct *napi = &channel->napi_str;
+ gro_result_t gro_result;
/* Pass the skb/page into the LRO engine */
if (rx_buf->page) {
- struct skb_frag_struct frags;
-
- frags.page = rx_buf->page;
- frags.page_offset = RX_BUF_OFFSET(rx_buf);
- frags.size = rx_buf->len;
-
- lro_receive_frags(lro_mgr, &frags, rx_buf->len,
- rx_buf->len, priv, 0);
+ struct page *page = rx_buf->page;
+ struct sk_buff *skb;
EFX_BUG_ON_PARANOID(rx_buf->skb);
rx_buf->page = NULL;
- } else {
- EFX_BUG_ON_PARANOID(!rx_buf->skb);
-
- lro_receive_skb(lro_mgr, rx_buf->skb, priv);
- rx_buf->skb = NULL;
- }
-}
-/* Allocate and construct an SKB around a struct page.*/
-static inline struct sk_buff *efx_rx_mk_skb(struct efx_rx_buffer *rx_buf,
- struct efx_nic *efx,
- int hdr_len)
-{
- struct sk_buff *skb;
-
- /* Allocate an SKB to store the headers */
- skb = netdev_alloc_skb(efx->net_dev, hdr_len + EFX_PAGE_SKB_ALIGN);
- if (unlikely(skb == NULL)) {
- EFX_ERR_RL(efx, "RX out of memory for skb\n");
- return NULL;
- }
+ skb = napi_get_frags(napi);
+ if (!skb) {
+ put_page(page);
+ return;
+ }
- EFX_BUG_ON_PARANOID(skb_shinfo(skb)->nr_frags);
- EFX_BUG_ON_PARANOID(rx_buf->len < hdr_len);
+ 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_shinfo(skb)->nr_frags = 1;
- skb->ip_summed = CHECKSUM_UNNECESSARY;
- skb_reserve(skb, EFX_PAGE_SKB_ALIGN);
+ skb->len = rx_buf->len;
+ skb->data_len = rx_buf->len;
+ skb->truesize += rx_buf->len;
+ skb->ip_summed =
+ checksummed ? CHECKSUM_UNNECESSARY : CHECKSUM_NONE;
- skb->len = rx_buf->len;
- skb->truesize = rx_buf->len + sizeof(struct sk_buff);
- memcpy(skb->data, rx_buf->data, hdr_len);
- skb->tail += hdr_len;
+ skb_record_rx_queue(skb, channel->channel);
- /* Append the remaining page onto the frag list */
- if (unlikely(rx_buf->len > hdr_len)) {
- struct skb_frag_struct *frag = skb_shinfo(skb)->frags;
- frag->page = rx_buf->page;
- frag->page_offset = RX_BUF_OFFSET(rx_buf) + hdr_len;
- frag->size = skb->len - hdr_len;
- skb_shinfo(skb)->nr_frags = 1;
- skb->data_len = frag->size;
+ gro_result = napi_gro_frags(napi);
} else {
- __free_pages(rx_buf->page, efx->rx_buffer_order);
- skb->data_len = 0;
- }
+ struct sk_buff *skb = rx_buf->skb;
- /* Ownership has transferred from the rx_buf to skb */
- rx_buf->page = NULL;
+ EFX_BUG_ON_PARANOID(!skb);
+ EFX_BUG_ON_PARANOID(!checksummed);
+ rx_buf->skb = NULL;
- /* Move past the ethernet header */
- skb->protocol = eth_type_trans(skb, efx->net_dev);
+ gro_result = napi_gro_receive(napi, skb);
+ }
- return skb;
+ if (gro_result == GRO_NORMAL) {
+ channel->rx_alloc_level += RX_ALLOC_FACTOR_SKB;
+ } else if (gro_result != GRO_DROP) {
+ channel->rx_alloc_level += RX_ALLOC_FACTOR_LRO;
+ channel->irq_mod_score += 2;
+ }
}
void efx_rx_packet(struct efx_rx_queue *rx_queue, unsigned int index,
- unsigned int len, int checksummed, int discard)
+ unsigned int len, bool checksummed, bool discard)
{
struct efx_nic *efx = rx_queue->efx;
struct efx_rx_buffer *rx_buf;
- int leak_packet = 0;
+ bool leak_packet = false;
rx_buf = efx_rx_buffer(rx_queue, index);
EFX_BUG_ON_PARANOID(!rx_buf->data);
/* Handle a received packet. Second half: Touches packet payload. */
void __efx_rx_packet(struct efx_channel *channel,
- struct efx_rx_buffer *rx_buf, int checksummed)
+ struct efx_rx_buffer *rx_buf, bool checksummed)
{
struct efx_nic *efx = channel->efx;
struct sk_buff *skb;
- int lro = efx->net_dev->features & NETIF_F_LRO;
/* If we're in loopback test, then pass the packet directly to the
* loopback layer, and free the rx_buf here
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);
- }
- /* Both our generic-LRO and SFC-SSR support skb and page based
- * allocation, but neither support switching from one to the
- * other on the fly. If we spot that the allocation mode has
- * changed, then flush the LRO state.
- */
- if (unlikely(channel->rx_alloc_pop_pages != (rx_buf->page != NULL))) {
- efx_flush_lro(channel);
- channel->rx_alloc_pop_pages = (rx_buf->page != NULL);
- }
- if (likely(checksummed && lro)) {
- efx_rx_packet_lro(channel, rx_buf);
- goto done;
+ skb_record_rx_queue(rx_buf->skb, channel->channel);
}
- /* Form an skb if required */
- if (rx_buf->page) {
- int hdr_len = min(rx_buf->len, EFX_SKB_HEADERS);
- skb = efx_rx_mk_skb(rx_buf, efx, hdr_len);
- if (unlikely(skb == NULL)) {
- efx_free_rx_buffer(efx, rx_buf);
- goto done;
- }
- } else {
- /* We now own the SKB */
- skb = rx_buf->skb;
- rx_buf->skb = NULL;
+ if (likely(checksummed || rx_buf->page)) {
+ efx_rx_packet_lro(channel, rx_buf, checksummed);
+ return;
}
- EFX_BUG_ON_PARANOID(rx_buf->page);
- EFX_BUG_ON_PARANOID(rx_buf->skb);
+ /* We now own the SKB */
+ skb = rx_buf->skb;
+ rx_buf->skb = NULL;
EFX_BUG_ON_PARANOID(!skb);
/* Set the SKB flags */
- if (unlikely(!checksummed || !efx->rx_checksum_enabled))
- skb->ip_summed = CHECKSUM_NONE;
+ skb->ip_summed = CHECKSUM_NONE;
/* Pass the packet up */
netif_receive_skb(skb);
/* Update allocation strategy method */
channel->rx_alloc_level += RX_ALLOC_FACTOR_SKB;
-
-done:
- efx->net_dev->last_rx = jiffies;
}
void efx_rx_strategy(struct efx_channel *channel)
enum efx_rx_alloc_method method = rx_alloc_method;
/* Only makes sense to use page based allocation if LRO is enabled */
- if (!(channel->efx->net_dev->features & NETIF_F_LRO)) {
+ if (!(channel->efx->net_dev->features & NETIF_F_GRO)) {
method = RX_ALLOC_METHOD_SKB;
} else if (method == RX_ALLOC_METHOD_AUTO) {
/* Constrain the rx_alloc_level */
EFX_LOG(efx, "creating RX queue %d\n", rx_queue->queue);
/* Allocate RX buffers */
- rxq_size = (efx->type->rxd_ring_mask + 1) * sizeof(*rx_queue->buffer);
+ rxq_size = EFX_RXQ_SIZE * sizeof(*rx_queue->buffer);
rx_queue->buffer = kzalloc(rxq_size, GFP_KERNEL);
- if (!rx_queue->buffer) {
- rc = -ENOMEM;
- goto fail1;
- }
-
- rc = falcon_probe_rx(rx_queue);
- if (rc)
- goto fail2;
-
- return 0;
-
- fail2:
- kfree(rx_queue->buffer);
- rx_queue->buffer = NULL;
- fail1:
- rx_queue->used = 0;
+ if (!rx_queue->buffer)
+ return -ENOMEM;
+ rc = efx_nic_probe_rx(rx_queue);
+ if (rc) {
+ kfree(rx_queue->buffer);
+ rx_queue->buffer = NULL;
+ }
return rc;
}
-int efx_init_rx_queue(struct efx_rx_queue *rx_queue)
+void efx_init_rx_queue(struct efx_rx_queue *rx_queue)
{
- struct efx_nic *efx = rx_queue->efx;
unsigned int max_fill, trigger, limit;
EFX_LOG(rx_queue->efx, "initialising RX queue %d\n", rx_queue->queue);
rx_queue->min_overfill = -1U;
/* Initialise limit fields */
- max_fill = efx->type->rxd_ring_mask + 1 - EFX_RXD_HEAD_ROOM;
+ max_fill = EFX_RXQ_SIZE - EFX_RXD_HEAD_ROOM;
trigger = max_fill * min(rx_refill_threshold, 100U) / 100U;
limit = max_fill * min(rx_refill_limit, 100U) / 100U;
rx_queue->fast_fill_limit = limit;
/* Set up RX descriptor ring */
- return 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) {
- for (i = 0; i <= rx_queue->efx->type->rxd_ring_mask; i++) {
+ for (i = 0; i <= EFX_RXQ_MASK; i++) {
rx_buf = efx_rx_buffer(rx_queue, i);
efx_fini_rx_buffer(rx_queue, rx_buf);
}
/* For a page that is part-way through splitting into RX buffers */
if (rx_queue->buf_page != NULL) {
pci_unmap_page(rx_queue->efx->pci_dev, rx_queue->buf_dma_addr,
- RX_PAGE_SIZE(rx_queue->efx), PCI_DMA_FROMDEVICE);
+ efx_rx_buf_size(rx_queue->efx),
+ PCI_DMA_FROMDEVICE);
__free_pages(rx_queue->buf_page,
rx_queue->efx->rx_buffer_order);
rx_queue->buf_page = NULL;
{
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;
- rx_queue->used = 0;
-}
-
-void efx_flush_lro(struct efx_channel *channel)
-{
- lro_flush_all(&channel->lro_mgr);
}
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff