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>

diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c
index 05b6b4e..3353efe 100644 (file)
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c
@@ -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);

diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
index 15a528b..e5da078 100644 (file)
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
@@ -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
 };
 

diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
index 047ebaa..bad8f14 100644 (file)
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
@@ -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,

diff --git a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c
index 0fb2438..5eac871 100644 (file)
--- a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c
+++ b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c
@@ -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
 };
 

diff --git a/drivers/net/ethernet/mellanox/mlx4/en_rx.c b/drivers/net/ethernet/mellanox/mlx4/en_rx.c
index 90746d3..dec455c 100644 (file)
--- a/drivers/net/ethernet/mellanox/mlx4/en_rx.c
+++ b/drivers/net/ethernet/mellanox/mlx4/en_rx.c
@@ -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);

diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index bb82871..0741a1e 100644 (file)
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -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);

diff --git a/include/net/busy_poll.h b/include/net/busy_poll.h
index 76f0340..4ff7190 100644 (file)
--- a/include/net/busy_poll.h
+++ b/include/net/busy_poll.h
@@ -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 */

diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index 3a261b4..b299da5 100644 (file)
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -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);

diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
index bcc0ff2..a0d7151 100644 (file)
--- a/net/ipv4/udp.c
+++ b/net/ipv4/udp.c
@@ -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);
 

diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c
index 345bd92..6e1649d 100644 (file)
--- a/net/ipv6/tcp_ipv6.c
+++ b/net/ipv6/tcp_ipv6.c
@@ -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);

diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c
index 40e7203..f405815 100644 (file)
--- a/net/ipv6/udp.c
+++ b/net/ipv6/udp.c
@@ -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);