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-rw-r--r--drivers/net/hamradio/6pack.c4
-rw-r--r--drivers/net/hamradio/baycom_epp.c6
-rw-r--r--drivers/net/hamradio/bpqether.c30
-rw-r--r--drivers/net/hamradio/dmascc.c2
-rw-r--r--drivers/net/hamradio/hdlcdrv.c7
-rw-r--r--drivers/net/hamradio/mkiss.c4
-rw-r--r--drivers/net/hamradio/scc.c11
-rw-r--r--drivers/net/hamradio/yam.c5
8 files changed, 33 insertions, 36 deletions
diff --git a/drivers/net/hamradio/6pack.c b/drivers/net/hamradio/6pack.c
index 981ab530e9ac..fb588301a05d 100644
--- a/drivers/net/hamradio/6pack.c
+++ b/drivers/net/hamradio/6pack.c
@@ -242,7 +242,7 @@ out_drop:
/* Encapsulate an IP datagram and kick it into a TTY queue. */
-static int sp_xmit(struct sk_buff *skb, struct net_device *dev)
+static netdev_tx_t sp_xmit(struct sk_buff *skb, struct net_device *dev)
{
struct sixpack *sp = netdev_priv(dev);
@@ -255,7 +255,7 @@ static int sp_xmit(struct sk_buff *skb, struct net_device *dev)
dev_kfree_skb(skb);
- return 0;
+ return NETDEV_TX_OK;
}
static int sp_open_dev(struct net_device *dev)
diff --git a/drivers/net/hamradio/baycom_epp.c b/drivers/net/hamradio/baycom_epp.c
index 352703255bba..7bcaf7c66243 100644
--- a/drivers/net/hamradio/baycom_epp.c
+++ b/drivers/net/hamradio/baycom_epp.c
@@ -774,18 +774,18 @@ static int baycom_send_packet(struct sk_buff *skb, struct net_device *dev)
if (skb->data[0] != 0) {
do_kiss_params(bc, skb->data, skb->len);
dev_kfree_skb(skb);
- return 0;
+ return NETDEV_TX_OK;
}
if (bc->skb)
return NETDEV_TX_LOCKED;
/* strip KISS byte */
if (skb->len >= HDLCDRV_MAXFLEN+1 || skb->len < 3) {
dev_kfree_skb(skb);
- return 0;
+ return NETDEV_TX_OK;
}
netif_stop_queue(dev);
bc->skb = skb;
- return 0;
+ return NETDEV_TX_OK;
}
/* --------------------------------------------------------------------- */
diff --git a/drivers/net/hamradio/bpqether.c b/drivers/net/hamradio/bpqether.c
index abcd19a8bff9..fe893c91a01b 100644
--- a/drivers/net/hamradio/bpqether.c
+++ b/drivers/net/hamradio/bpqether.c
@@ -247,9 +247,8 @@ drop:
/*
* Send an AX.25 frame via an ethernet interface
*/
-static int bpq_xmit(struct sk_buff *skb, struct net_device *dev)
+static netdev_tx_t bpq_xmit(struct sk_buff *skb, struct net_device *dev)
{
- struct sk_buff *newskb;
unsigned char *ptr;
struct bpqdev *bpq;
int size;
@@ -263,28 +262,23 @@ static int bpq_xmit(struct sk_buff *skb, struct net_device *dev)
return NETDEV_TX_OK;
}
- skb_pull(skb, 1);
+ skb_pull(skb, 1); /* Drop KISS byte */
size = skb->len;
/*
- * The AX.25 code leaves enough room for the ethernet header, but
- * sendto() does not.
+ * We're about to mess with the skb which may still shared with the
+ * generic networking code so unshare and ensure it's got enough
+ * space for the BPQ headers.
*/
- if (skb_headroom(skb) < AX25_BPQ_HEADER_LEN) { /* Ough! */
- if ((newskb = skb_realloc_headroom(skb, AX25_BPQ_HEADER_LEN)) == NULL) {
- printk(KERN_WARNING "bpqether: out of memory\n");
- kfree_skb(skb);
- return NETDEV_TX_OK;
- }
-
- if (skb->sk != NULL)
- skb_set_owner_w(newskb, skb->sk);
-
+ if (skb_cow(skb, AX25_BPQ_HEADER_LEN)) {
+ if (net_ratelimit())
+ pr_err("bpqether: out of memory\n");
kfree_skb(skb);
- skb = newskb;
+
+ return NETDEV_TX_OK;
}
- ptr = skb_push(skb, 2);
+ ptr = skb_push(skb, 2); /* Make space for length */
*ptr++ = (size + 5) % 256;
*ptr++ = (size + 5) / 256;
@@ -305,7 +299,7 @@ static int bpq_xmit(struct sk_buff *skb, struct net_device *dev)
dev_queue_xmit(skb);
netif_wake_queue(dev);
- return 0;
+ return NETDEV_TX_OK;
}
/*
diff --git a/drivers/net/hamradio/dmascc.c b/drivers/net/hamradio/dmascc.c
index 7459b3ac77a9..950f3bb21f9d 100644
--- a/drivers/net/hamradio/dmascc.c
+++ b/drivers/net/hamradio/dmascc.c
@@ -959,7 +959,7 @@ static int scc_send_packet(struct sk_buff *skb, struct net_device *dev)
spin_unlock_irqrestore(&priv->ring_lock, flags);
dev_kfree_skb(skb);
- return 0;
+ return NETDEV_TX_OK;
}
diff --git a/drivers/net/hamradio/hdlcdrv.c b/drivers/net/hamradio/hdlcdrv.c
index d034f8ca63cb..0013c409782c 100644
--- a/drivers/net/hamradio/hdlcdrv.c
+++ b/drivers/net/hamradio/hdlcdrv.c
@@ -399,20 +399,21 @@ void hdlcdrv_arbitrate(struct net_device *dev, struct hdlcdrv_state *s)
* ===================== network driver interface =========================
*/
-static int hdlcdrv_send_packet(struct sk_buff *skb, struct net_device *dev)
+static netdev_tx_t hdlcdrv_send_packet(struct sk_buff *skb,
+ struct net_device *dev)
{
struct hdlcdrv_state *sm = netdev_priv(dev);
if (skb->data[0] != 0) {
do_kiss_params(sm, skb->data, skb->len);
dev_kfree_skb(skb);
- return 0;
+ return NETDEV_TX_OK;
}
if (sm->skb)
return NETDEV_TX_LOCKED;
netif_stop_queue(dev);
sm->skb = skb;
- return 0;
+ return NETDEV_TX_OK;
}
/* --------------------------------------------------------------------- */
diff --git a/drivers/net/hamradio/mkiss.c b/drivers/net/hamradio/mkiss.c
index fda2fc83e9a1..33b55f729742 100644
--- a/drivers/net/hamradio/mkiss.c
+++ b/drivers/net/hamradio/mkiss.c
@@ -525,7 +525,7 @@ static void ax_encaps(struct net_device *dev, unsigned char *icp, int len)
}
/* Encapsulate an AX.25 packet and kick it into a TTY queue. */
-static int ax_xmit(struct sk_buff *skb, struct net_device *dev)
+static netdev_tx_t ax_xmit(struct sk_buff *skb, struct net_device *dev)
{
struct mkiss *ax = netdev_priv(dev);
@@ -560,7 +560,7 @@ static int ax_xmit(struct sk_buff *skb, struct net_device *dev)
kfree_skb(skb);
}
- return 0;
+ return NETDEV_TX_OK;
}
static int ax_open_dev(struct net_device *dev)
diff --git a/drivers/net/hamradio/scc.c b/drivers/net/hamradio/scc.c
index d712e7af780c..35c936175bba 100644
--- a/drivers/net/hamradio/scc.c
+++ b/drivers/net/hamradio/scc.c
@@ -209,7 +209,8 @@ static void scc_net_setup(struct net_device *dev);
static int scc_net_open(struct net_device *dev);
static int scc_net_close(struct net_device *dev);
static void scc_net_rx(struct scc_channel *scc, struct sk_buff *skb);
-static int scc_net_tx(struct sk_buff *skb, struct net_device *dev);
+static netdev_tx_t scc_net_tx(struct sk_buff *skb,
+ struct net_device *dev);
static int scc_net_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd);
static int scc_net_set_mac_address(struct net_device *dev, void *addr);
static struct net_device_stats * scc_net_get_stats(struct net_device *dev);
@@ -1634,7 +1635,7 @@ static void scc_net_rx(struct scc_channel *scc, struct sk_buff *skb)
/* ----> transmit frame <---- */
-static int scc_net_tx(struct sk_buff *skb, struct net_device *dev)
+static netdev_tx_t scc_net_tx(struct sk_buff *skb, struct net_device *dev)
{
struct scc_channel *scc = (struct scc_channel *) dev->ml_priv;
unsigned long flags;
@@ -1643,7 +1644,7 @@ static int scc_net_tx(struct sk_buff *skb, struct net_device *dev)
if (skb->len > scc->stat.bufsize || skb->len < 2) {
scc->dev_stat.tx_dropped++; /* bogus frame */
dev_kfree_skb(skb);
- return 0;
+ return NETDEV_TX_OK;
}
scc->dev_stat.tx_packets++;
@@ -1656,7 +1657,7 @@ static int scc_net_tx(struct sk_buff *skb, struct net_device *dev)
if (kisscmd) {
scc_set_param(scc, kisscmd, *skb->data);
dev_kfree_skb(skb);
- return 0;
+ return NETDEV_TX_OK;
}
spin_lock_irqsave(&scc->lock, flags);
@@ -1684,7 +1685,7 @@ static int scc_net_tx(struct sk_buff *skb, struct net_device *dev)
__scc_start_tx_timer(scc, t_dwait, 0);
}
spin_unlock_irqrestore(&scc->lock, flags);
- return 0;
+ return NETDEV_TX_OK;
}
/* ----> ioctl functions <---- */
diff --git a/drivers/net/hamradio/yam.c b/drivers/net/hamradio/yam.c
index b06691937ce9..694132e04af6 100644
--- a/drivers/net/hamradio/yam.c
+++ b/drivers/net/hamradio/yam.c
@@ -594,13 +594,14 @@ static void ptt_off(struct net_device *dev)
outb(PTT_OFF, MCR(dev->base_addr));
}
-static int yam_send_packet(struct sk_buff *skb, struct net_device *dev)
+static netdev_tx_t yam_send_packet(struct sk_buff *skb,
+ struct net_device *dev)
{
struct yam_port *yp = netdev_priv(dev);
skb_queue_tail(&yp->send_queue, skb);
dev->trans_start = jiffies;
- return 0;
+ return NETDEV_TX_OK;
}
static void yam_start_tx(struct net_device *dev, struct yam_port *yp)
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.