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>

11 files changed, 23 insertions, 21 deletions

diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c
index 05b6b4e8b073..3353efe79194 100644
--- 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 15a528bda87c..e5da07858a2f 100644
--- 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 047ebaaf0141..bad8f14b1941 100644
--- 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 0fb2438dc2c7..5eac871399d8 100644
--- 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 90746d37ac9b..dec455c8f627 100644
--- 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 bb82871b8494..0741a1e919a5 100644
--- 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 76f034087743..4ff71908fd42 100644
--- 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 3a261b41a00c..b299da5ff499 100644
--- 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 bcc0ff2c16da..a0d7151ffbd9 100644
--- 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 345bd92d4ddb..6e1649d58533 100644
--- 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 40e72034da07..f4058150262b 100644
--- 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);