diff options
| author | Stephen Hemminger <shemminger@vyatta.com> | 2009-03-20 19:35:28 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2009-03-21 19:19:12 -0700 |
| commit | 788dee0a954745a182f9341539e5e0fe874b48fc (patch) | |
| tree | 68e02cf2ca9f1e275594cd9d79583afe25f98275 | |
| parent | 6fb70fd1b57707a5c7b9fb167b7790b2cba13f04 (diff) | |
| download | linux-3.10-788dee0a954745a182f9341539e5e0fe874b48fc.tar.gz linux-3.10-788dee0a954745a182f9341539e5e0fe874b48fc.tar.bz2 linux-3.10-788dee0a954745a182f9341539e5e0fe874b48fc.zip | |
atm: convert mpc device to using netdev_ops
This converts the mpc device to using new netdevice_ops.
Compile tested only, needs more than usual review since
device was swaping pointers around etc.
Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Acked-by: Chas Williams <chas@cmf.nrl.navy.mil>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | net/atm/mpc.c | 32 | ||||
| -rw-r--r-- | net/atm/mpc.h | 5 |
2 files changed, 18 insertions, 19 deletions
diff --git a/net/atm/mpc.c b/net/atm/mpc.c index 039d5cc72c3..e5bf11453a1 100644 --- a/net/atm/mpc.c +++ b/net/atm/mpc.c @@ -286,33 +286,32 @@ static void start_mpc(struct mpoa_client *mpc, struct net_device *dev) { dprintk("mpoa: (%s) start_mpc:\n", mpc->dev->name); - if (dev->hard_start_xmit == NULL) { - printk("mpoa: (%s) start_mpc: dev->hard_start_xmit == NULL, not starting\n", - dev->name); - return; + if (!dev->netdev_ops) + printk("mpoa: (%s) start_mpc not starting\n", dev->name); + else { + mpc->old_ops = dev->netdev_ops; + mpc->new_ops = *mpc->old_ops; + mpc->new_ops.ndo_start_xmit = mpc_send_packet; + dev->netdev_ops = &mpc->new_ops; } - mpc->old_hard_start_xmit = dev->hard_start_xmit; - dev->hard_start_xmit = mpc_send_packet; - - return; } static void stop_mpc(struct mpoa_client *mpc) { - + struct net_device *dev = mpc->dev; dprintk("mpoa: (%s) stop_mpc:", mpc->dev->name); /* Lets not nullify lec device's dev->hard_start_xmit */ - if (mpc->dev->hard_start_xmit != mpc_send_packet) { + if (dev->netdev_ops != &mpc->new_ops) { dprintk(" mpc already stopped, not fatal\n"); return; } dprintk("\n"); - mpc->dev->hard_start_xmit = mpc->old_hard_start_xmit; - mpc->old_hard_start_xmit = NULL; - /* close_shortcuts(mpc); ??? FIXME */ - return; + dev->netdev_ops = mpc->old_ops; + mpc->old_ops = NULL; + + /* close_shortcuts(mpc); ??? FIXME */ } static const char *mpoa_device_type_string(char type) __attribute__ ((unused)); @@ -531,7 +530,6 @@ static int send_via_shortcut(struct sk_buff *skb, struct mpoa_client *mpc) */ static int mpc_send_packet(struct sk_buff *skb, struct net_device *dev) { - int retval; struct mpoa_client *mpc; struct ethhdr *eth; int i = 0; @@ -561,9 +559,7 @@ static int mpc_send_packet(struct sk_buff *skb, struct net_device *dev) } non_ip: - retval = mpc->old_hard_start_xmit(skb,dev); - - return retval; + return mpc->old_ops->ndo_start_xmit(skb,dev); } static int atm_mpoa_vcc_attach(struct atm_vcc *vcc, void __user *arg) diff --git a/net/atm/mpc.h b/net/atm/mpc.h index 24c386c35f5..0919a88bbc7 100644 --- a/net/atm/mpc.h +++ b/net/atm/mpc.h @@ -15,7 +15,7 @@ struct mpoa_client { struct mpoa_client *next; struct net_device *dev; /* lec in question */ int dev_num; /* e.g. 2 for lec2 */ - int (*old_hard_start_xmit)(struct sk_buff *skb, struct net_device *dev); + struct atm_vcc *mpoad_vcc; /* control channel to mpoad */ uint8_t mps_ctrl_addr[ATM_ESA_LEN]; /* MPS control ATM address */ uint8_t our_ctrl_addr[ATM_ESA_LEN]; /* MPC's control ATM address */ @@ -31,6 +31,9 @@ struct mpoa_client { uint8_t *mps_macs; /* array of MPS MAC addresses, >=1 */ int number_of_mps_macs; /* number of the above MAC addresses */ struct mpc_parameters parameters; /* parameters for this client */ + + const struct net_device_ops *old_ops; + struct net_device_ops new_ops; }; |