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authorLinus Torvalds <torvalds@linux-foundation.org>2017-05-02 16:40:27 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2017-05-02 16:40:27 -0700
commit8d65b08debc7e62b2c6032d7fe7389d895b92cbc (patch)
tree0c3141b60c3a03cc32742b5750c5e763b9dae489 /drivers/net/ethernet/cadence/macb.c
parent5a0387a8a8efb90ae7fea1e2e5c62de3efa74691 (diff)
parent5d15af6778b8e4ed1fd41b040283af278e7a9a72 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next
Pull networking updates from David Millar: "Here are some highlights from the 2065 networking commits that happened this development cycle: 1) XDP support for IXGBE (John Fastabend) and thunderx (Sunil Kowuri) 2) Add a generic XDP driver, so that anyone can test XDP even if they lack a networking device whose driver has explicit XDP support (me). 3) Sparc64 now has an eBPF JIT too (me) 4) Add a BPF program testing framework via BPF_PROG_TEST_RUN (Alexei Starovoitov) 5) Make netfitler network namespace teardown less expensive (Florian Westphal) 6) Add symmetric hashing support to nft_hash (Laura Garcia Liebana) 7) Implement NAPI and GRO in netvsc driver (Stephen Hemminger) 8) Support TC flower offload statistics in mlxsw (Arkadi Sharshevsky) 9) Multiqueue support in stmmac driver (Joao Pinto) 10) Remove TCP timewait recycling, it never really could possibly work well in the real world and timestamp randomization really zaps any hint of usability this feature had (Soheil Hassas Yeganeh) 11) Support level3 vs level4 ECMP route hashing in ipv4 (Nikolay Aleksandrov) 12) Add socket busy poll support to epoll (Sridhar Samudrala) 13) Netlink extended ACK support (Johannes Berg, Pablo Neira Ayuso, and several others) 14) IPSEC hw offload infrastructure (Steffen Klassert)" * git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next: (2065 commits) tipc: refactor function tipc_sk_recv_stream() tipc: refactor function tipc_sk_recvmsg() net: thunderx: Optimize page recycling for XDP net: thunderx: Support for XDP header adjustment net: thunderx: Add support for XDP_TX net: thunderx: Add support for XDP_DROP net: thunderx: Add basic XDP support net: thunderx: Cleanup receive buffer allocation net: thunderx: Optimize CQE_TX handling net: thunderx: Optimize RBDR descriptor handling net: thunderx: Support for page recycling ipx: call ipxitf_put() in ioctl error path net: sched: add helpers to handle extended actions qed*: Fix issues in the ptp filter config implementation. qede: Fix concurrency issue in PTP Tx path processing. stmmac: Add support for SIMATIC IOT2000 platform net: hns: fix ethtool_get_strings overflow in hns driver tcp: fix wraparound issue in tcp_lp bpf, arm64: fix jit branch offset related to ldimm64 bpf, arm64: implement jiting of BPF_XADD ...
Diffstat (limited to 'drivers/net/ethernet/cadence/macb.c')
-rw-r--r--drivers/net/ethernet/cadence/macb.c58
1 files changed, 30 insertions, 28 deletions
diff --git a/drivers/net/ethernet/cadence/macb.c b/drivers/net/ethernet/cadence/macb.c
index 30606b11b128..91f7492623d3 100644
--- a/drivers/net/ethernet/cadence/macb.c
+++ b/drivers/net/ethernet/cadence/macb.c
@@ -432,15 +432,17 @@ static int macb_mii_probe(struct net_device *dev)
}
pdata = dev_get_platdata(&bp->pdev->dev);
- if (pdata && gpio_is_valid(pdata->phy_irq_pin)) {
- ret = devm_gpio_request(&bp->pdev->dev, pdata->phy_irq_pin,
- "phy int");
- if (!ret) {
- phy_irq = gpio_to_irq(pdata->phy_irq_pin);
- phydev->irq = (phy_irq < 0) ? PHY_POLL : phy_irq;
+ if (pdata) {
+ if (gpio_is_valid(pdata->phy_irq_pin)) {
+ ret = devm_gpio_request(&bp->pdev->dev,
+ pdata->phy_irq_pin, "phy int");
+ if (!ret) {
+ phy_irq = gpio_to_irq(pdata->phy_irq_pin);
+ phydev->irq = (phy_irq < 0) ? PHY_POLL : phy_irq;
+ }
+ } else {
+ phydev->irq = PHY_POLL;
}
- } else {
- phydev->irq = PHY_POLL;
}
/* attach the mac to the phy */
@@ -684,8 +686,8 @@ static void macb_tx_error_task(struct work_struct *work)
netdev_vdbg(bp->dev, "txerr skb %u (data %p) TX complete\n",
macb_tx_ring_wrap(bp, tail),
skb->data);
- bp->stats.tx_packets++;
- bp->stats.tx_bytes += skb->len;
+ bp->dev->stats.tx_packets++;
+ bp->dev->stats.tx_bytes += skb->len;
}
} else {
/* "Buffers exhausted mid-frame" errors may only happen
@@ -778,8 +780,8 @@ static void macb_tx_interrupt(struct macb_queue *queue)
netdev_vdbg(bp->dev, "skb %u (data %p) TX complete\n",
macb_tx_ring_wrap(bp, tail),
skb->data);
- bp->stats.tx_packets++;
- bp->stats.tx_bytes += skb->len;
+ bp->dev->stats.tx_packets++;
+ bp->dev->stats.tx_bytes += skb->len;
}
/* Now we can safely release resources */
@@ -911,14 +913,14 @@ static int gem_rx(struct macb *bp, int budget)
if (!(ctrl & MACB_BIT(RX_SOF) && ctrl & MACB_BIT(RX_EOF))) {
netdev_err(bp->dev,
"not whole frame pointed by descriptor\n");
- bp->stats.rx_dropped++;
+ bp->dev->stats.rx_dropped++;
break;
}
skb = bp->rx_skbuff[entry];
if (unlikely(!skb)) {
netdev_err(bp->dev,
"inconsistent Rx descriptor chain\n");
- bp->stats.rx_dropped++;
+ bp->dev->stats.rx_dropped++;
break;
}
/* now everything is ready for receiving packet */
@@ -938,8 +940,8 @@ static int gem_rx(struct macb *bp, int budget)
GEM_BFEXT(RX_CSUM, ctrl) & GEM_RX_CSUM_CHECKED_MASK)
skb->ip_summed = CHECKSUM_UNNECESSARY;
- bp->stats.rx_packets++;
- bp->stats.rx_bytes += skb->len;
+ bp->dev->stats.rx_packets++;
+ bp->dev->stats.rx_bytes += skb->len;
#if defined(DEBUG) && defined(VERBOSE_DEBUG)
netdev_vdbg(bp->dev, "received skb of length %u, csum: %08x\n",
@@ -984,7 +986,7 @@ static int macb_rx_frame(struct macb *bp, unsigned int first_frag,
*/
skb = netdev_alloc_skb(bp->dev, len + NET_IP_ALIGN);
if (!skb) {
- bp->stats.rx_dropped++;
+ bp->dev->stats.rx_dropped++;
for (frag = first_frag; ; frag++) {
desc = macb_rx_desc(bp, frag);
desc->addr &= ~MACB_BIT(RX_USED);
@@ -1030,8 +1032,8 @@ static int macb_rx_frame(struct macb *bp, unsigned int first_frag,
__skb_pull(skb, NET_IP_ALIGN);
skb->protocol = eth_type_trans(skb, bp->dev);
- bp->stats.rx_packets++;
- bp->stats.rx_bytes += skb->len;
+ bp->dev->stats.rx_packets++;
+ bp->dev->stats.rx_bytes += skb->len;
netdev_vdbg(bp->dev, "received skb of length %u, csum: %08x\n",
skb->len, skb->csum);
netif_receive_skb(skb);
@@ -2210,7 +2212,7 @@ static void gem_update_stats(struct macb *bp)
static struct net_device_stats *gem_get_stats(struct macb *bp)
{
struct gem_stats *hwstat = &bp->hw_stats.gem;
- struct net_device_stats *nstat = &bp->stats;
+ struct net_device_stats *nstat = &bp->dev->stats;
gem_update_stats(bp);
@@ -2281,7 +2283,7 @@ static void gem_get_ethtool_strings(struct net_device *dev, u32 sset, u8 *p)
static struct net_device_stats *macb_get_stats(struct net_device *dev)
{
struct macb *bp = netdev_priv(dev);
- struct net_device_stats *nstat = &bp->stats;
+ struct net_device_stats *nstat = &bp->dev->stats;
struct macb_stats *hwstat = &bp->hw_stats.macb;
if (macb_is_gem(bp))
@@ -2993,15 +2995,15 @@ static void at91ether_rx(struct net_device *dev)
memcpy(skb_put(skb, pktlen), p_recv, pktlen);
skb->protocol = eth_type_trans(skb, dev);
- lp->stats.rx_packets++;
- lp->stats.rx_bytes += pktlen;
+ dev->stats.rx_packets++;
+ dev->stats.rx_bytes += pktlen;
netif_rx(skb);
} else {
- lp->stats.rx_dropped++;
+ dev->stats.rx_dropped++;
}
if (desc->ctrl & MACB_BIT(RX_MHASH_MATCH))
- lp->stats.multicast++;
+ dev->stats.multicast++;
/* reset ownership bit */
desc->addr &= ~MACB_BIT(RX_USED);
@@ -3036,15 +3038,15 @@ static irqreturn_t at91ether_interrupt(int irq, void *dev_id)
if (intstatus & MACB_BIT(TCOMP)) {
/* The TCOM bit is set even if the transmission failed */
if (intstatus & (MACB_BIT(ISR_TUND) | MACB_BIT(ISR_RLE)))
- lp->stats.tx_errors++;
+ dev->stats.tx_errors++;
if (lp->skb) {
dev_kfree_skb_irq(lp->skb);
lp->skb = NULL;
dma_unmap_single(NULL, lp->skb_physaddr,
lp->skb_length, DMA_TO_DEVICE);
- lp->stats.tx_packets++;
- lp->stats.tx_bytes += lp->skb_length;
+ dev->stats.tx_packets++;
+ dev->stats.tx_bytes += lp->skb_length;
}
netif_wake_queue(dev);
}