Release 4.11 net/core/gro_cells.c
#include <linux/skbuff.h>
#include <linux/slab.h>
#include <linux/netdevice.h>
#include <net/gro_cells.h>
struct gro_cell {
struct sk_buff_head napi_skbs;
struct napi_struct napi;
};
int gro_cells_receive(struct gro_cells *gcells, struct sk_buff *skb)
{
struct net_device *dev = skb->dev;
struct gro_cell *cell;
if (!gcells->cells || skb_cloned(skb) || !(dev->features & NETIF_F_GRO))
return netif_rx(skb);
cell = this_cpu_ptr(gcells->cells);
if (skb_queue_len(&cell->napi_skbs) > netdev_max_backlog) {
atomic_long_inc(&dev->rx_dropped);
kfree_skb(skb);
return NET_RX_DROP;
}
__skb_queue_tail(&cell->napi_skbs, skb);
if (skb_queue_len(&cell->napi_skbs) == 1)
napi_schedule(&cell->napi);
return NET_RX_SUCCESS;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Eric Dumazet | 128 | 100.00% | 1 | 100.00% |
| Total | 128 | 100.00% | 1 | 100.00% |
EXPORT_SYMBOL(gro_cells_receive);
/* called under BH context */
static int gro_cell_poll(struct napi_struct *napi, int budget)
{
struct gro_cell *cell = container_of(napi, struct gro_cell, napi);
struct sk_buff *skb;
int work_done = 0;
while (work_done < budget) {
skb = __skb_dequeue(&cell->napi_skbs);
if (!skb)
break;
napi_gro_receive(napi, skb);
work_done++;
}
if (work_done < budget)
napi_complete_done(napi, work_done);
return work_done;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Eric Dumazet | 89 | 100.00% | 1 | 100.00% |
| Total | 89 | 100.00% | 1 | 100.00% |
int gro_cells_init(struct gro_cells *gcells, struct net_device *dev)
{
int i;
gcells->cells = alloc_percpu(struct gro_cell);
if (!gcells->cells)
return -ENOMEM;
for_each_possible_cpu(i) {
struct gro_cell *cell = per_cpu_ptr(gcells->cells, i);
__skb_queue_head_init(&cell->napi_skbs);
set_bit(NAPI_STATE_NO_BUSY_POLL, &cell->napi.state);
netif_napi_add(dev, &cell->napi, gro_cell_poll,
NAPI_POLL_WEIGHT);
napi_enable(&cell->napi);
}
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Eric Dumazet | 104 | 100.00% | 1 | 100.00% |
| Total | 104 | 100.00% | 1 | 100.00% |
EXPORT_SYMBOL(gro_cells_init);
void gro_cells_destroy(struct gro_cells *gcells)
{
int i;
if (!gcells->cells)
return;
for_each_possible_cpu(i) {
struct gro_cell *cell = per_cpu_ptr(gcells->cells, i);
netif_napi_del(&cell->napi);
__skb_queue_purge(&cell->napi_skbs);
}
free_percpu(gcells->cells);
gcells->cells = NULL;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Eric Dumazet | 70 | 100.00% | 1 | 100.00% |
| Total | 70 | 100.00% | 1 | 100.00% |
EXPORT_SYMBOL(gro_cells_destroy);
Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Eric Dumazet | 432 | 100.00% | 1 | 100.00% |
| Total | 432 | 100.00% | 1 | 100.00% |
Information contained on this website is for historical information purposes only and does not indicate or represent copyright ownership.