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-rw-r--r--drivers/net/ethernet/amd/hplance.c4
-rw-r--r--drivers/net/ethernet/amd/mvme147.c6
-rw-r--r--drivers/net/ethernet/freescale/gianfar.c6
-rw-r--r--drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_common.c3
-rw-r--r--drivers/net/xen-netback/netback.c36
-rw-r--r--net/core/filter.c8
-rw-r--r--net/ipv6/udp.c8
7 files changed, 48 insertions, 23 deletions
diff --git a/drivers/net/ethernet/amd/hplance.c b/drivers/net/ethernet/amd/hplance.c
index 47ce57c2c893..6c9de117ffc6 100644
--- a/drivers/net/ethernet/amd/hplance.c
+++ b/drivers/net/ethernet/amd/hplance.c
@@ -27,9 +27,9 @@
#include "hplance.h"
-/* We have 16834 bytes of RAM for the init block and buffers. This places
+/* We have 16392 bytes of RAM for the init block and buffers. This places
* an upper limit on the number of buffers we can use. NetBSD uses 8 Rx
- * buffers and 2 Tx buffers.
+ * buffers and 2 Tx buffers, it takes (8 + 2) * 1544 bytes.
*/
#define LANCE_LOG_TX_BUFFERS 1
#define LANCE_LOG_RX_BUFFERS 3
diff --git a/drivers/net/ethernet/amd/mvme147.c b/drivers/net/ethernet/amd/mvme147.c
index 0e8399dec054..0660ac5846bb 100644
--- a/drivers/net/ethernet/amd/mvme147.c
+++ b/drivers/net/ethernet/amd/mvme147.c
@@ -26,9 +26,9 @@
#include <asm/pgtable.h>
#include <asm/mvme147hw.h>
-/* We have 16834 bytes of RAM for the init block and buffers. This places
+/* We have 32K of RAM for the init block and buffers. This places
* an upper limit on the number of buffers we can use. NetBSD uses 8 Rx
- * buffers and 2 Tx buffers.
+ * buffers and 2 Tx buffers, it takes (8 + 2) * 1544 bytes.
*/
#define LANCE_LOG_TX_BUFFERS 1
#define LANCE_LOG_RX_BUFFERS 3
@@ -111,7 +111,7 @@ struct net_device * __init mvme147lance_probe(int unit)
dev->dev_addr);
lp = netdev_priv(dev);
- lp->ram = __get_dma_pages(GFP_ATOMIC, 3); /* 16K */
+ lp->ram = __get_dma_pages(GFP_ATOMIC, 3); /* 32K */
if (!lp->ram) {
printk("%s: No memory for LANCE buffers\n", dev->name);
free_netdev(dev);
diff --git a/drivers/net/ethernet/freescale/gianfar.c b/drivers/net/ethernet/freescale/gianfar.c
index 0cc8b8d205fe..16f46f1224ba 100644
--- a/drivers/net/ethernet/freescale/gianfar.c
+++ b/drivers/net/ethernet/freescale/gianfar.c
@@ -1384,6 +1384,9 @@ static int gfar_probe(struct platform_device *ofdev)
gfar_hw_init(priv);
+ /* Carrier starts down, phylib will bring it up */
+ netif_carrier_off(dev);
+
err = register_netdev(dev);
if (err) {
@@ -1391,9 +1394,6 @@ static int gfar_probe(struct platform_device *ofdev)
goto register_fail;
}
- /* Carrier starts down, phylib will bring it up */
- netif_carrier_off(dev);
-
device_init_wakeup(&dev->dev,
priv->device_flags &
FSL_GIANFAR_DEV_HAS_MAGIC_PACKET);
diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_common.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_common.c
index 2bdd9deffb38..1659c804f1d5 100644
--- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_common.c
+++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_common.c
@@ -458,6 +458,7 @@ static int qlcnic_sriov_get_vf_acl(struct qlcnic_adapter *adapter)
struct qlcnic_cmd_args cmd;
int ret = 0;
+ memset(&cmd, 0, sizeof(cmd));
ret = qlcnic_sriov_alloc_bc_mbx_args(&cmd, QLCNIC_BC_CMD_GET_ACL);
if (ret)
return ret;
@@ -1463,6 +1464,7 @@ static int qlcnic_sriov_channel_cfg_cmd(struct qlcnic_adapter *adapter, u8 cmd_o
struct qlcnic_vf_info *vf = &adapter->ahw->sriov->vf_info[0];
int ret;
+ memset(&cmd, 0, sizeof(cmd));
if (qlcnic_sriov_alloc_bc_mbx_args(&cmd, cmd_op))
return -ENOMEM;
@@ -2033,6 +2035,7 @@ int qlcnic_sriov_cfg_vf_guest_vlan(struct qlcnic_adapter *adapter,
struct qlcnic_cmd_args cmd;
int ret;
+ memset(&cmd, 0, sizeof(cmd));
if (vid == 0)
return 0;
diff --git a/drivers/net/xen-netback/netback.c b/drivers/net/xen-netback/netback.c
index 49efff9b99f4..1844a47636b6 100644
--- a/drivers/net/xen-netback/netback.c
+++ b/drivers/net/xen-netback/netback.c
@@ -168,7 +168,8 @@ bool xenvif_rx_ring_slots_available(struct xenvif_queue *queue, int needed)
* adding 'size' bytes to a buffer which currently contains 'offset'
* bytes.
*/
-static bool start_new_rx_buffer(int offset, unsigned long size, int head)
+static bool start_new_rx_buffer(int offset, unsigned long size, int head,
+ bool full_coalesce)
{
/* simple case: we have completely filled the current buffer. */
if (offset == MAX_BUFFER_OFFSET)
@@ -180,6 +181,7 @@ static bool start_new_rx_buffer(int offset, unsigned long size, int head)
* (i) this frag would fit completely in the next buffer
* and (ii) there is already some data in the current buffer
* and (iii) this is not the head buffer.
+ * and (iv) there is no need to fully utilize the buffers
*
* Where:
* - (i) stops us splitting a frag into two copies
@@ -190,6 +192,8 @@ static bool start_new_rx_buffer(int offset, unsigned long size, int head)
* by (ii) but is explicitly checked because
* netfront relies on the first buffer being
* non-empty and can crash otherwise.
+ * - (iv) is needed for skbs which can use up more than MAX_SKB_FRAGS
+ * slot
*
* This means we will effectively linearise small
* frags but do not needlessly split large buffers
@@ -197,7 +201,8 @@ static bool start_new_rx_buffer(int offset, unsigned long size, int head)
* own buffers as before.
*/
BUG_ON(size > MAX_BUFFER_OFFSET);
- if ((offset + size > MAX_BUFFER_OFFSET) && offset && !head)
+ if ((offset + size > MAX_BUFFER_OFFSET) && offset && !head &&
+ !full_coalesce)
return true;
return false;
@@ -232,6 +237,13 @@ static struct xenvif_rx_meta *get_next_rx_buffer(struct xenvif_queue *queue,
return meta;
}
+struct xenvif_rx_cb {
+ int meta_slots_used;
+ bool full_coalesce;
+};
+
+#define XENVIF_RX_CB(skb) ((struct xenvif_rx_cb *)(skb)->cb)
+
/*
* Set up the grant operations for this fragment. If it's a flipping
* interface, we also set up the unmap request from here.
@@ -266,7 +278,10 @@ static void xenvif_gop_frag_copy(struct xenvif_queue *queue, struct sk_buff *skb
if (bytes > size)
bytes = size;
- if (start_new_rx_buffer(npo->copy_off, bytes, *head)) {
+ if (start_new_rx_buffer(npo->copy_off,
+ bytes,
+ *head,
+ XENVIF_RX_CB(skb)->full_coalesce)) {
/*
* Netfront requires there to be some data in the head
* buffer.
@@ -548,12 +563,6 @@ static void xenvif_add_frag_responses(struct xenvif_queue *queue, int status,
}
}
-struct xenvif_rx_cb {
- int meta_slots_used;
-};
-
-#define XENVIF_RX_CB(skb) ((struct xenvif_rx_cb *)(skb)->cb)
-
void xenvif_kick_thread(struct xenvif_queue *queue)
{
wake_up(&queue->wq);
@@ -609,10 +618,15 @@ static void xenvif_rx_action(struct xenvif_queue *queue)
/* To avoid the estimate becoming too pessimal for some
* frontends that limit posted rx requests, cap the estimate
- * at MAX_SKB_FRAGS.
+ * at MAX_SKB_FRAGS. In this case netback will fully coalesce
+ * the skb into the provided slots.
*/
- if (max_slots_needed > MAX_SKB_FRAGS)
+ if (max_slots_needed > MAX_SKB_FRAGS) {
max_slots_needed = MAX_SKB_FRAGS;
+ XENVIF_RX_CB(skb)->full_coalesce = true;
+ } else {
+ XENVIF_RX_CB(skb)->full_coalesce = false;
+ }
/* We may need one more slot for GSO metadata */
if (skb_is_gso(skb) &&
diff --git a/net/core/filter.c b/net/core/filter.c
index 9de0c25323b4..6bd2e350e751 100644
--- a/net/core/filter.c
+++ b/net/core/filter.c
@@ -584,7 +584,11 @@ load_byte:
* to make sure its still a 3bit field starting at a byte boundary;
* taken from arch/x86/net/bpf_jit_comp.c.
*/
+#ifdef __BIG_ENDIAN_BITFIELD
+#define PKT_TYPE_MAX (7 << 5)
+#else
#define PKT_TYPE_MAX 7
+#endif
static unsigned int pkt_type_offset(void)
{
struct sk_buff skb_probe = { .pkt_type = ~0, };
@@ -685,6 +689,10 @@ static bool convert_bpf_extensions(struct sock_filter *fp,
return false;
insn++;
*insn = BPF_ALU32_IMM(BPF_AND, BPF_REG_A, PKT_TYPE_MAX);
+#ifdef __BIG_ENDIAN_BITFIELD
+ insn++;
+ *insn = BPF_ALU32_IMM(BPF_RSH, BPF_REG_A, 5);
+#endif
break;
case SKF_AD_OFF + SKF_AD_IFINDEX:
diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c
index 60325236446a..4180f54a948e 100644
--- a/net/ipv6/udp.c
+++ b/net/ipv6/udp.c
@@ -720,15 +720,15 @@ static struct sock *udp_v6_mcast_next(struct net *net, struct sock *sk,
if (inet->inet_dport != rmt_port)
continue;
}
- if (!ipv6_addr_any(&sk->sk_v6_daddr) &&
- !ipv6_addr_equal(&sk->sk_v6_daddr, rmt_addr))
+ if (!ipv6_addr_any(&s->sk_v6_daddr) &&
+ !ipv6_addr_equal(&s->sk_v6_daddr, rmt_addr))
continue;
if (s->sk_bound_dev_if && s->sk_bound_dev_if != dif)
continue;
- if (!ipv6_addr_any(&sk->sk_v6_rcv_saddr)) {
- if (!ipv6_addr_equal(&sk->sk_v6_rcv_saddr, loc_addr))
+ if (!ipv6_addr_any(&s->sk_v6_rcv_saddr)) {
+ if (!ipv6_addr_equal(&s->sk_v6_rcv_saddr, loc_addr))
continue;
}
if (!inet6_mc_check(s, loc_addr, rmt_addr))
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