ax25: Refactor to use private neighbour operations.

AX25 already has it's own private arp cache operations to isolate
it's abuse of dev_rebuild_header to transmit packets.  Add a function
ax25_neigh_construct that will allow all of the ax25 devices to
force using these operations, so that the generic arp code does
not need to.

Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: linux-hams@vger.kernel.org
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

10 files changed, 42 insertions, 0 deletions

diff --git a/drivers/net/hamradio/6pack.c b/drivers/net/hamradio/6pack.c
index 2533933c79dc..0b8393ca8c80 100644
--- a/drivers/net/hamradio/6pack.c
+++ b/drivers/net/hamradio/6pack.c
@@ -302,6 +302,7 @@ static const struct net_device_ops sp_netdev_ops = {
         .ndo_stop               = sp_close,
         .ndo_start_xmit         = sp_xmit,
         .ndo_set_mac_address    = sp_set_mac_address,
+        .ndo_neigh_construct    = ax25_neigh_construct,
 };
 
 static void sp_setup(struct net_device *dev)
@@ -315,6 +316,7 @@ static void sp_setup(struct net_device *dev)
 
         dev->addr_len           = AX25_ADDR_LEN;
         dev->type               = ARPHRD_AX25;
+        dev->neigh_priv_len     = sizeof(struct ax25_neigh_priv);
         dev->tx_queue_len       = 10;
 
         /* Only activated in AX.25 mode */
diff --git a/drivers/net/hamradio/baycom_epp.c b/drivers/net/hamradio/baycom_epp.c
index a98c153f371e..3539ab392f7d 100644
--- a/drivers/net/hamradio/baycom_epp.c
+++ b/drivers/net/hamradio/baycom_epp.c
@@ -1109,6 +1109,7 @@ static const struct net_device_ops baycom_netdev_ops = {
         .ndo_do_ioctl        = baycom_ioctl,
         .ndo_start_xmit      = baycom_send_packet,
         .ndo_set_mac_address = baycom_set_mac_address,
+        .ndo_neigh_construct = ax25_neigh_construct,
 };
 
 /*
@@ -1146,6 +1147,7 @@ static void baycom_probe(struct net_device *dev)
         dev->header_ops = &ax25_header_ops;
         
         dev->type = ARPHRD_AX25;           /* AF_AX25 device */
+        dev->neigh_priv_len = sizeof(struct ax25_neigh_priv);
         dev->hard_header_len = AX25_MAX_HEADER_LEN + AX25_BPQ_HEADER_LEN;
         dev->mtu = AX25_DEF_PACLEN;        /* eth_mtu is the default */
         dev->addr_len = AX25_ADDR_LEN;     /* sizeof an ax.25 address */
diff --git a/drivers/net/hamradio/bpqether.c b/drivers/net/hamradio/bpqether.c
index c2894e43840e..bce105b16ed0 100644
--- a/drivers/net/hamradio/bpqether.c
+++ b/drivers/net/hamradio/bpqether.c
@@ -469,6 +469,7 @@ static const struct net_device_ops bpq_netdev_ops = {
         .ndo_start_xmit      = bpq_xmit,
         .ndo_set_mac_address = bpq_set_mac_address,
         .ndo_do_ioctl        = bpq_ioctl,
+        .ndo_neigh_construct = ax25_neigh_construct,
 };
 
 static void bpq_setup(struct net_device *dev)
@@ -486,6 +487,7 @@ static void bpq_setup(struct net_device *dev)
 #endif
 
         dev->type            = ARPHRD_AX25;
+        dev->neigh_priv_len  = sizeof(struct ax25_neigh_priv);
         dev->hard_header_len = AX25_MAX_HEADER_LEN + AX25_BPQ_HEADER_LEN;
         dev->mtu             = AX25_DEF_PACLEN;
         dev->addr_len        = AX25_ADDR_LEN;
diff --git a/drivers/net/hamradio/dmascc.c b/drivers/net/hamradio/dmascc.c
index 0fad408f24aa..abab7be77406 100644
--- a/drivers/net/hamradio/dmascc.c
+++ b/drivers/net/hamradio/dmascc.c
@@ -433,6 +433,7 @@ module_exit(dmascc_exit);
 static void __init dev_setup(struct net_device *dev)
 {
         dev->type = ARPHRD_AX25;
+        dev->neigh_priv_len = sizeof(struct ax25_neigh_priv);
         dev->hard_header_len = AX25_MAX_HEADER_LEN;
         dev->mtu = 1500;
         dev->addr_len = AX25_ADDR_LEN;
@@ -447,6 +448,7 @@ static const struct net_device_ops scc_netdev_ops = {
         .ndo_start_xmit = scc_send_packet,
         .ndo_do_ioctl = scc_ioctl,
         .ndo_set_mac_address = scc_set_mac_address,
+        .ndo_neigh_construct = ax25_neigh_construct,
 };
 
 static int __init setup_adapter(int card_base, int type, int n)
diff --git a/drivers/net/hamradio/hdlcdrv.c b/drivers/net/hamradio/hdlcdrv.c
index c67a27245072..435868a7b69c 100644
--- a/drivers/net/hamradio/hdlcdrv.c
+++ b/drivers/net/hamradio/hdlcdrv.c
@@ -626,6 +626,7 @@ static const struct net_device_ops hdlcdrv_netdev = {
         .ndo_start_xmit = hdlcdrv_send_packet,
         .ndo_do_ioctl   = hdlcdrv_ioctl,
         .ndo_set_mac_address = hdlcdrv_set_mac_address,
+        .ndo_neigh_construct = ax25_neigh_construct,
 };
 
 /*
@@ -676,6 +677,7 @@ static void hdlcdrv_setup(struct net_device *dev)
         dev->header_ops = &ax25_header_ops;
         
         dev->type = ARPHRD_AX25;           /* AF_AX25 device */
+        dev->neigh_priv_len = sizeof(struct ax25_neigh_priv);
         dev->hard_header_len = AX25_MAX_HEADER_LEN + AX25_BPQ_HEADER_LEN;
         dev->mtu = AX25_DEF_PACLEN;        /* eth_mtu is the default */
         dev->addr_len = AX25_ADDR_LEN;     /* sizeof an ax.25 address */
diff --git a/drivers/net/hamradio/mkiss.c b/drivers/net/hamradio/mkiss.c
index e37c8d515ce8..c12ec2c2b594 100644
--- a/drivers/net/hamradio/mkiss.c
+++ b/drivers/net/hamradio/mkiss.c
@@ -641,6 +641,7 @@ static const struct net_device_ops ax_netdev_ops = {
         .ndo_stop            = ax_close,
         .ndo_start_xmit      = ax_xmit,
         .ndo_set_mac_address = ax_set_mac_address,
+        .ndo_neigh_construct = ax25_neigh_construct,
 };
 
 static void ax_setup(struct net_device *dev)
@@ -650,6 +651,7 @@ static void ax_setup(struct net_device *dev)
         dev->hard_header_len = 0;
         dev->addr_len        = 0;
         dev->type            = ARPHRD_AX25;
+        dev->neigh_priv_len  = sizeof(struct ax25_neigh_priv);
         dev->tx_queue_len    = 10;
         dev->header_ops      = &ax25_header_ops;
         dev->netdev_ops      = &ax_netdev_ops;
diff --git a/drivers/net/hamradio/scc.c b/drivers/net/hamradio/scc.c
index 57be9e0e98a6..b305f51eb420 100644
--- a/drivers/net/hamradio/scc.c
+++ b/drivers/net/hamradio/scc.c
@@ -1550,6 +1550,7 @@ static const struct net_device_ops scc_netdev_ops = {
         .ndo_set_mac_address = scc_net_set_mac_address,
         .ndo_get_stats       = scc_net_get_stats,
         .ndo_do_ioctl        = scc_net_ioctl,
+        .ndo_neigh_construct = ax25_neigh_construct,
 };
 
 /* ----> Initialize device <----- */
@@ -1567,6 +1568,7 @@ static void scc_net_setup(struct net_device *dev)
         dev->flags      = 0;
 
         dev->type = ARPHRD_AX25;
+        dev->neigh_priv_len = sizeof(struct ax25_neigh_priv);
         dev->hard_header_len = AX25_MAX_HEADER_LEN + AX25_BPQ_HEADER_LEN;
         dev->mtu = AX25_DEF_PACLEN;
         dev->addr_len = AX25_ADDR_LEN;
diff --git a/drivers/net/hamradio/yam.c b/drivers/net/hamradio/yam.c
index 717433cfb81d..89d9da7a0c51 100644
--- a/drivers/net/hamradio/yam.c
+++ b/drivers/net/hamradio/yam.c
@@ -1100,6 +1100,7 @@ static const struct net_device_ops yam_netdev_ops = {
         .ndo_start_xmit      = yam_send_packet,
         .ndo_do_ioctl        = yam_ioctl,
         .ndo_set_mac_address = yam_set_mac_address,
+        .ndo_neigh_construct = ax25_neigh_construct,
 };
 
 static void yam_setup(struct net_device *dev)
@@ -1128,6 +1129,7 @@ static void yam_setup(struct net_device *dev)
         dev->header_ops = &ax25_header_ops;
 
         dev->type = ARPHRD_AX25;
+        dev->neigh_priv_len = sizeof(struct ax25_neigh_priv);
         dev->hard_header_len = AX25_MAX_HEADER_LEN;
         dev->mtu = AX25_MTU;