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net: rename ll methods to busy-poll 

Rename ndo_ll_poll to ndo_busy_poll.
Rename sk_mark_ll to sk_mark_napi_id.
Rename skb_mark_ll to skb_mark_napi_id.
Correct all useres of these functions.
Update comments and defines  in include/net/busy_poll.h

Signed-off-by: Eliezer Tamir <eliezer.tamir@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Eliezer Tamir 2013-07-10 17:13:26 +03:00 committed by David S. Miller
parent 076bb0c82a
commit 8b80cda536
11 changed files with 23 additions and 21 deletions
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2
drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c
View File

@ -990,7 +990,7 @@ reuse_rx:
__vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q),
le16_to_cpu(cqe_fp->vlan_tag));
skb_mark_ll(skb, &fp->napi);
skb_mark_napi_id(skb, &fp->napi);
if (bnx2x_fp_ll_polling(fp))
netif_receive_skb(skb);

2
drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
View File

@ -12027,7 +12027,7 @@ static const struct net_device_ops bnx2x_netdev_ops = {
#endif
#ifdef CONFIG_NET_LL_RX_POLL
.ndo_ll_poll = bnx2x_low_latency_recv,
.ndo_busy_poll = bnx2x_low_latency_recv,
#endif
};

4
drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
View File

@ -1978,7 +1978,7 @@ static int ixgbe_clean_rx_irq(struct ixgbe_q_vector *q_vector,
}
#endif /* IXGBE_FCOE */
skb_mark_ll(skb, &q_vector->napi);
skb_mark_napi_id(skb, &q_vector->napi);
ixgbe_rx_skb(q_vector, skb);
/* update budget accounting */
@ -7228,7 +7228,7 @@ static const struct net_device_ops ixgbe_netdev_ops = {
.ndo_poll_controller = ixgbe_netpoll,
#endif
#ifdef CONFIG_NET_LL_RX_POLL
.ndo_ll_poll = ixgbe_low_latency_recv,
.ndo_busy_poll = ixgbe_low_latency_recv,
#endif
#ifdef IXGBE_FCOE
.ndo_fcoe_ddp_setup = ixgbe_fcoe_ddp_get,

2
drivers/net/ethernet/mellanox/mlx4/en_netdev.c
View File

@ -2141,7 +2141,7 @@ static const struct net_device_ops mlx4_netdev_ops = {
.ndo_rx_flow_steer = mlx4_en_filter_rfs,
#endif
#ifdef CONFIG_NET_LL_RX_POLL
.ndo_ll_poll = mlx4_en_low_latency_recv,
.ndo_busy_poll = mlx4_en_low_latency_recv,
#endif
};

2
drivers/net/ethernet/mellanox/mlx4/en_rx.c
View File

@ -767,7 +767,7 @@ int mlx4_en_process_rx_cq(struct net_device *dev, struct mlx4_en_cq *cq, int bud
timestamp);
}
skb_mark_ll(skb, &cq->napi);
skb_mark_napi_id(skb, &cq->napi);
/* Push it up the stack */
netif_receive_skb(skb);

2
include/linux/netdevice.h
View File

@ -974,7 +974,7 @@ struct net_device_ops {
void (*ndo_netpoll_cleanup)(struct net_device *dev);
#endif
#ifdef CONFIG_NET_LL_RX_POLL
int (*ndo_ll_poll)(struct napi_struct *dev);
int (*ndo_busy_poll)(struct napi_struct *dev);
#endif
int (*ndo_set_vf_mac)(struct net_device *dev,
int queue, u8 *mac);

22
include/net/busy_poll.h
View File

@ -1,5 +1,5 @@
/*
* Low Latency Sockets
* net busy poll support
* Copyright(c) 2013 Intel Corporation.
*
* This program is free software; you can redistribute it and/or modify it
@ -21,8 +21,8 @@
* e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
*/
#ifndef _LINUX_NET_LL_POLL_H
#define _LINUX_NET_LL_POLL_H
#ifndef _LINUX_NET_BUSY_POLL_H
#define _LINUX_NET_BUSY_POLL_H
#include <linux/netdevice.h>
#include <net/ip.h>
@ -110,11 +110,11 @@ static inline bool sk_busy_loop(struct sock *sk, int nonblock)
goto out;
ops = napi->dev->netdev_ops;
if (!ops->ndo_ll_poll)
if (!ops->ndo_busy_poll)
goto out;
do {
rc = ops->ndo_ll_poll(napi);
rc = ops->ndo_busy_poll(napi);
if (rc == LL_FLUSH_FAILED)
break; /* permanent failure */
@ -134,13 +134,14 @@ out:
}
/* used in the NIC receive handler to mark the skb */
static inline void skb_mark_ll(struct sk_buff *skb, struct napi_struct *napi)
static inline void skb_mark_napi_id(struct sk_buff *skb,
struct napi_struct *napi)
{
skb->napi_id = napi->napi_id;
}
/* used in the protocol hanlder to propagate the napi_id to the socket */
static inline void sk_mark_ll(struct sock *sk, struct sk_buff *skb)
static inline void sk_mark_napi_id(struct sock *sk, struct sk_buff *skb)
{
sk->sk_napi_id = skb->napi_id;
}
@ -166,11 +167,12 @@ static inline bool sk_busy_poll(struct sock *sk, int nonblock)
return false;
}
static inline void skb_mark_ll(struct sk_buff *skb, struct napi_struct *napi)
static inline void skb_mark_napi_id(struct sk_buff *skb,
struct napi_struct *napi)
{
}
static inline void sk_mark_ll(struct sock *sk, struct sk_buff *skb)
static inline void sk_mark_napi_id(struct sock *sk, struct sk_buff *skb)
{
}
@ -180,4 +182,4 @@ static inline bool busy_loop_timeout(unsigned long end_time)
}
#endif /* CONFIG_NET_LL_RX_POLL */
#endif /* _LINUX_NET_LL_POLL_H */
#endif /* _LINUX_NET_BUSY_POLL_H */

2
net/ipv4/tcp_ipv4.c
View File

@ -1994,7 +1994,7 @@ process:
if (sk_filter(sk, skb))
goto discard_and_relse;
sk_mark_ll(sk, skb);
sk_mark_napi_id(sk, skb);
skb->dev = NULL;
bh_lock_sock_nested(sk);

2
net/ipv4/udp.c
View File

@ -1713,7 +1713,7 @@ int __udp4_lib_rcv(struct sk_buff *skb, struct udp_table *udptable,
if (sk != NULL) {
int ret;
sk_mark_ll(sk, skb);
sk_mark_napi_id(sk, skb);
ret = udp_queue_rcv_skb(sk, skb);
sock_put(sk);

2
net/ipv6/tcp_ipv6.c
View File

@ -1499,7 +1499,7 @@ process:
if (sk_filter(sk, skb))
goto discard_and_relse;
sk_mark_ll(sk, skb);
sk_mark_napi_id(sk, skb);
skb->dev = NULL;
bh_lock_sock_nested(sk);

2
net/ipv6/udp.c
View File

@ -844,7 +844,7 @@ int __udp6_lib_rcv(struct sk_buff *skb, struct udp_table *udptable,
if (sk != NULL) {
int ret;
sk_mark_ll(sk, skb);
sk_mark_napi_id(sk, skb);
ret = udpv6_queue_rcv_skb(sk, skb);
sock_put(sk);