Release 4.9 include/net/gro_cells.h
#ifndef _NET_GRO_CELLS_H
#define _NET_GRO_CELLS_H
#include <linux/skbuff.h>
#include <linux/slab.h>
#include <linux/netdevice.h>
struct gro_cell {
struct sk_buff_head napi_skbs;
struct napi_struct napi;
};
struct gro_cells {
struct gro_cell __percpu *cells;
};
static inline int gro_cells_receive(struct gro_cells *gcells, struct sk_buff *skb)
{
struct gro_cell *cell;
struct net_device *dev = skb->dev;
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 | eric dumazet | 114 | 87.69% | 1 | 33.33% |
| paolo abeni | paolo abeni | 9 | 6.92% | 1 | 33.33% |
| martin kafai lau | martin kafai lau | 7 | 5.38% | 1 | 33.33% |
| Total | 130 | 100.00% | 3 | 100.00% |
/* called under BH context */
static inline 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 | eric dumazet | 90 | 100.00% | 3 | 100.00% |
| Total | 90 | 100.00% | 3 | 100.00% |
static inline 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, 64);
napi_enable(&cell->napi);
}
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| eric dumazet | eric dumazet | 93 | 87.74% | 3 | 60.00% |
| martin kafai lau | martin kafai lau | 9 | 8.49% | 1 | 20.00% |
| joe perches | joe perches | 4 | 3.77% | 1 | 20.00% |
| Total | 106 | 100.00% | 5 | 100.00% |
static inline 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 | eric dumazet | 52 | 72.22% | 2 | 66.67% |
| martin kafai lau | martin kafai lau | 20 | 27.78% | 1 | 33.33% |
| Total | 72 | 100.00% | 3 | 100.00% |
#endif
Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| eric dumazet | eric dumazet | 390 | 88.64% | 4 | 57.14% |
| martin kafai lau | martin kafai lau | 37 | 8.41% | 1 | 14.29% |
| paolo abeni | paolo abeni | 9 | 2.05% | 1 | 14.29% |
| joe perches | joe perches | 4 | 0.91% | 1 | 14.29% |
| Total | 440 | 100.00% | 7 | 100.00% |