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Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net

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Conflicts:
	drivers/net/geneve.c

Here we had an overlapping change, where in 'net' the extraneous stats
bump was being removed whilst in 'net-next' the final argument to
udp_tunnel6_xmit_skb() was being changed.

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller
2015-12-17 22:08:28 -05:00
parent 3268e5cb49 73796d8bf2
commit b3e0d3d7ba
550 changed files with 4569 additions and 2912 deletions
Download Patch File Download Diff File Expand all files Collapse all files

38
drivers/net/ethernet/apm/xgene/xgene_enet_main.c
View File

@@ -289,6 +289,7 @@ static int xgene_enet_setup_tx_desc(struct xgene_enet_desc_ring *tx_ring,
struct sk_buff *skb)
{
struct device *dev = ndev_to_dev(tx_ring->ndev);
struct xgene_enet_pdata *pdata = netdev_priv(tx_ring->ndev);
struct xgene_enet_raw_desc *raw_desc;
__le64 *exp_desc = NULL, *exp_bufs = NULL;
dma_addr_t dma_addr, pbuf_addr, *frag_dma_addr;
@@ -419,6 +420,7 @@ out:
raw_desc->m0 = cpu_to_le64(SET_VAL(LL, ll) | SET_VAL(NV, nv) |
SET_VAL(USERINFO, tx_ring->tail));
tx_ring->cp_ring->cp_skb[tx_ring->tail] = skb;
pdata->tx_level += count;
tx_ring->tail = tail;
return count;
@@ -429,14 +431,13 @@ static netdev_tx_t xgene_enet_start_xmit(struct sk_buff *skb,
{
struct xgene_enet_pdata *pdata = netdev_priv(ndev);
struct xgene_enet_desc_ring *tx_ring = pdata->tx_ring;
struct xgene_enet_desc_ring *cp_ring = tx_ring->cp_ring;
u32 tx_level, cq_level;
u32 tx_level = pdata->tx_level;
int count;
tx_level = pdata->ring_ops->len(tx_ring);
cq_level = pdata->ring_ops->len(cp_ring);
if (unlikely(tx_level > pdata->tx_qcnt_hi ||
cq_level > pdata->cp_qcnt_hi)) {
if (tx_level < pdata->txc_level)
tx_level += ((typeof(pdata->tx_level))~0U);
if ((tx_level - pdata->txc_level) > pdata->tx_qcnt_hi) {
netif_stop_queue(ndev);
return NETDEV_TX_BUSY;
}
@@ -539,10 +540,13 @@ static int xgene_enet_process_ring(struct xgene_enet_desc_ring *ring,
struct xgene_enet_raw_desc *raw_desc, *exp_desc;
u16 head = ring->head;
u16 slots = ring->slots - 1;
int ret, count = 0, processed = 0;
int ret, desc_count, count = 0, processed = 0;
bool is_completion;
do {
raw_desc = &ring->raw_desc[head];
desc_count = 0;
is_completion = false;
exp_desc = NULL;
if (unlikely(xgene_enet_is_desc_slot_empty(raw_desc)))
break;
@@ -559,18 +563,24 @@ static int xgene_enet_process_ring(struct xgene_enet_desc_ring *ring,
}
dma_rmb();
count++;
desc_count++;
}
if (is_rx_desc(raw_desc))
if (is_rx_desc(raw_desc)) {
ret = xgene_enet_rx_frame(ring, raw_desc);
else
} else {
ret = xgene_enet_tx_completion(ring, raw_desc);
is_completion = true;
}
xgene_enet_mark_desc_slot_empty(raw_desc);
if (exp_desc)
xgene_enet_mark_desc_slot_empty(exp_desc);
head = (head + 1) & slots;
count++;
desc_count++;
processed++;
if (is_completion)
pdata->txc_level += desc_count;
if (ret)
break;
@@ -580,10 +590,8 @@ static int xgene_enet_process_ring(struct xgene_enet_desc_ring *ring,
pdata->ring_ops->wr_cmd(ring, -count);
ring->head = head;
if (netif_queue_stopped(ring->ndev)) {
if (pdata->ring_ops->len(ring) < pdata->cp_qcnt_low)
netif_wake_queue(ring->ndev);
}
if (netif_queue_stopped(ring->ndev))
netif_start_queue(ring->ndev);
}
return processed;
@@ -1033,9 +1041,7 @@ static int xgene_enet_create_desc_rings(struct net_device *ndev)
pdata->tx_ring->cp_ring = cp_ring;
pdata->tx_ring->dst_ring_num = xgene_enet_dst_ring_num(cp_ring);
pdata->tx_qcnt_hi = pdata->tx_ring->slots / 2;
pdata->cp_qcnt_hi = pdata->rx_ring->slots / 2;
pdata->cp_qcnt_low = pdata->cp_qcnt_hi / 2;
pdata->tx_qcnt_hi = pdata->tx_ring->slots - 128;
return 0;

4
drivers/net/ethernet/apm/xgene/xgene_enet_main.h
View File

@@ -155,11 +155,11 @@ struct xgene_enet_pdata {
enum xgene_enet_id enet_id;
struct xgene_enet_desc_ring *tx_ring;
struct xgene_enet_desc_ring *rx_ring;
u16 tx_level;
u16 txc_level;
char *dev_name;
u32 rx_buff_cnt;
u32 tx_qcnt_hi;
u32 cp_qcnt_hi;
u32 cp_qcnt_low;
u32 rx_irq;
u32 txc_irq;
u8 cq_cnt;