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

Browse Source 
Conflicts:
	drivers/net/ethernet/broadcom/genet/bcmmii.c
	drivers/net/hyperv/netvsc.c
	kernel/bpf/hashtab.c

Almost entirely overlapping changes.

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller
2017-03-23 15:11:56 -07:00
parent 6f359f99b8 d038e3dcff
commit 16ae1f2236
300 changed files with 4202 additions and 2274 deletions
Download Patch File Download Diff File Expand all files Collapse all files

30
drivers/net/ethernet/amd/xgbe/xgbe-common.h
View File

@@ -984,29 +984,29 @@
#define XP_ECC_CNT1_DESC_DED_WIDTH 8
#define XP_ECC_CNT1_DESC_SEC_INDEX 0
#define XP_ECC_CNT1_DESC_SEC_WIDTH 8
#define XP_ECC_IER_DESC_DED_INDEX 0
#define XP_ECC_IER_DESC_DED_INDEX 5
#define XP_ECC_IER_DESC_DED_WIDTH 1
#define XP_ECC_IER_DESC_SEC_INDEX 1
#define XP_ECC_IER_DESC_SEC_INDEX 4
#define XP_ECC_IER_DESC_SEC_WIDTH 1
#define XP_ECC_IER_RX_DED_INDEX 2
#define XP_ECC_IER_RX_DED_INDEX 3
#define XP_ECC_IER_RX_DED_WIDTH 1
#define XP_ECC_IER_RX_SEC_INDEX 3
#define XP_ECC_IER_RX_SEC_INDEX 2
#define XP_ECC_IER_RX_SEC_WIDTH 1
#define XP_ECC_IER_TX_DED_INDEX 4
#define XP_ECC_IER_TX_DED_INDEX 1
#define XP_ECC_IER_TX_DED_WIDTH 1
#define XP_ECC_IER_TX_SEC_INDEX 5
#define XP_ECC_IER_TX_SEC_INDEX 0
#define XP_ECC_IER_TX_SEC_WIDTH 1
#define XP_ECC_ISR_DESC_DED_INDEX 0
#define XP_ECC_ISR_DESC_DED_INDEX 5
#define XP_ECC_ISR_DESC_DED_WIDTH 1
#define XP_ECC_ISR_DESC_SEC_INDEX 1
#define XP_ECC_ISR_DESC_SEC_INDEX 4
#define XP_ECC_ISR_DESC_SEC_WIDTH 1
#define XP_ECC_ISR_RX_DED_INDEX 2
#define XP_ECC_ISR_RX_DED_INDEX 3
#define XP_ECC_ISR_RX_DED_WIDTH 1
#define XP_ECC_ISR_RX_SEC_INDEX 3
#define XP_ECC_ISR_RX_SEC_INDEX 2
#define XP_ECC_ISR_RX_SEC_WIDTH 1
#define XP_ECC_ISR_TX_DED_INDEX 4
#define XP_ECC_ISR_TX_DED_INDEX 1
#define XP_ECC_ISR_TX_DED_WIDTH 1
#define XP_ECC_ISR_TX_SEC_INDEX 5
#define XP_ECC_ISR_TX_SEC_INDEX 0
#define XP_ECC_ISR_TX_SEC_WIDTH 1
#define XP_I2C_MUTEX_BUSY_INDEX 31
#define XP_I2C_MUTEX_BUSY_WIDTH 1
@@ -1148,8 +1148,8 @@
#define RX_PACKET_ATTRIBUTES_CSUM_DONE_WIDTH 1
#define RX_PACKET_ATTRIBUTES_VLAN_CTAG_INDEX 1
#define RX_PACKET_ATTRIBUTES_VLAN_CTAG_WIDTH 1
#define RX_PACKET_ATTRIBUTES_INCOMPLETE_INDEX 2
#define RX_PACKET_ATTRIBUTES_INCOMPLETE_WIDTH 1
#define RX_PACKET_ATTRIBUTES_LAST_INDEX 2
#define RX_PACKET_ATTRIBUTES_LAST_WIDTH 1
#define RX_PACKET_ATTRIBUTES_CONTEXT_NEXT_INDEX 3
#define RX_PACKET_ATTRIBUTES_CONTEXT_NEXT_WIDTH 1
#define RX_PACKET_ATTRIBUTES_CONTEXT_INDEX 4
@@ -1158,6 +1158,8 @@
#define RX_PACKET_ATTRIBUTES_RX_TSTAMP_WIDTH 1
#define RX_PACKET_ATTRIBUTES_RSS_HASH_INDEX 6
#define RX_PACKET_ATTRIBUTES_RSS_HASH_WIDTH 1
#define RX_PACKET_ATTRIBUTES_FIRST_INDEX 7
#define RX_PACKET_ATTRIBUTES_FIRST_WIDTH 1
#define RX_NORMAL_DESC0_OVT_INDEX 0
#define RX_NORMAL_DESC0_OVT_WIDTH 16

20
drivers/net/ethernet/amd/xgbe/xgbe-dev.c
View File

@@ -1896,10 +1896,15 @@ static int xgbe_dev_read(struct xgbe_channel *channel)
/* Get the header length */
if (XGMAC_GET_BITS_LE(rdesc->desc3, RX_NORMAL_DESC3, FD)) {
XGMAC_SET_BITS(packet->attributes, RX_PACKET_ATTRIBUTES,
FIRST, 1);
rdata->rx.hdr_len = XGMAC_GET_BITS_LE(rdesc->desc2,
RX_NORMAL_DESC2, HL);
if (rdata->rx.hdr_len)
pdata->ext_stats.rx_split_header_packets++;
} else {
XGMAC_SET_BITS(packet->attributes, RX_PACKET_ATTRIBUTES,
FIRST, 0);
}
/* Get the RSS hash */
@@ -1922,19 +1927,16 @@ static int xgbe_dev_read(struct xgbe_channel *channel)
}
}
/* Get the packet length */
rdata->rx.len = XGMAC_GET_BITS_LE(rdesc->desc3, RX_NORMAL_DESC3, PL);
if (!XGMAC_GET_BITS_LE(rdesc->desc3, RX_NORMAL_DESC3, LD)) {
/* Not all the data has been transferred for this packet */
XGMAC_SET_BITS(packet->attributes, RX_PACKET_ATTRIBUTES,
INCOMPLETE, 1);
/* Not all the data has been transferred for this packet */
if (!XGMAC_GET_BITS_LE(rdesc->desc3, RX_NORMAL_DESC3, LD))
return 0;
}
/* This is the last of the data for this packet */
XGMAC_SET_BITS(packet->attributes, RX_PACKET_ATTRIBUTES,
INCOMPLETE, 0);
LAST, 1);
/* Get the packet length */
rdata->rx.len = XGMAC_GET_BITS_LE(rdesc->desc3, RX_NORMAL_DESC3, PL);
/* Set checksum done indicator as appropriate */
if (netdev->features & NETIF_F_RXCSUM)

102
drivers/net/ethernet/amd/xgbe/xgbe-drv.c
View File

@@ -1972,13 +1972,12 @@ static struct sk_buff *xgbe_create_skb(struct xgbe_prv_data *pdata,
{
struct sk_buff *skb;
u8 *packet;
unsigned int copy_len;
skb = napi_alloc_skb(napi, rdata->rx.hdr.dma_len);
if (!skb)
return NULL;
/* Start with the header buffer which may contain just the header
/* Pull in the header buffer which may contain just the header
* or the header plus data
*/
dma_sync_single_range_for_cpu(pdata->dev, rdata->rx.hdr.dma_base,
@@ -1987,30 +1986,49 @@ static struct sk_buff *xgbe_create_skb(struct xgbe_prv_data *pdata,
packet = page_address(rdata->rx.hdr.pa.pages) +
rdata->rx.hdr.pa.pages_offset;
copy_len = (rdata->rx.hdr_len) ? rdata->rx.hdr_len : len;
copy_len = min(rdata->rx.hdr.dma_len, copy_len);
skb_copy_to_linear_data(skb, packet, copy_len);
skb_put(skb, copy_len);
len -= copy_len;
if (len) {
/* Add the remaining data as a frag */
dma_sync_single_range_for_cpu(pdata->dev,
rdata->rx.buf.dma_base,
rdata->rx.buf.dma_off,
rdata->rx.buf.dma_len,
DMA_FROM_DEVICE);
skb_add_rx_frag(skb, skb_shinfo(skb)->nr_frags,
rdata->rx.buf.pa.pages,
rdata->rx.buf.pa.pages_offset,
len, rdata->rx.buf.dma_len);
rdata->rx.buf.pa.pages = NULL;
}
skb_copy_to_linear_data(skb, packet, len);
skb_put(skb, len);
return skb;
}
static unsigned int xgbe_rx_buf1_len(struct xgbe_ring_data *rdata,
struct xgbe_packet_data *packet)
{
/* Always zero if not the first descriptor */
if (!XGMAC_GET_BITS(packet->attributes, RX_PACKET_ATTRIBUTES, FIRST))
return 0;
/* First descriptor with split header, return header length */
if (rdata->rx.hdr_len)
return rdata->rx.hdr_len;
/* First descriptor but not the last descriptor and no split header,
* so the full buffer was used
*/
if (!XGMAC_GET_BITS(packet->attributes, RX_PACKET_ATTRIBUTES, LAST))
return rdata->rx.hdr.dma_len;
/* First descriptor and last descriptor and no split header, so
* calculate how much of the buffer was used
*/
return min_t(unsigned int, rdata->rx.hdr.dma_len, rdata->rx.len);
}
static unsigned int xgbe_rx_buf2_len(struct xgbe_ring_data *rdata,
struct xgbe_packet_data *packet,
unsigned int len)
{
/* Always the full buffer if not the last descriptor */
if (!XGMAC_GET_BITS(packet->attributes, RX_PACKET_ATTRIBUTES, LAST))
return rdata->rx.buf.dma_len;
/* Last descriptor so calculate how much of the buffer was used
* for the last bit of data
*/
return rdata->rx.len - len;
}
static int xgbe_tx_poll(struct xgbe_channel *channel)
{
struct xgbe_prv_data *pdata = channel->pdata;
@@ -2093,8 +2111,8 @@ static int xgbe_rx_poll(struct xgbe_channel *channel, int budget)
struct napi_struct *napi;
struct sk_buff *skb;
struct skb_shared_hwtstamps *hwtstamps;
unsigned int incomplete, error, context_next, context;
unsigned int len, rdesc_len, max_len;
unsigned int last, error, context_next, context;
unsigned int len, buf1_len, buf2_len, max_len;
unsigned int received = 0;
int packet_count = 0;
@@ -2104,7 +2122,7 @@ static int xgbe_rx_poll(struct xgbe_channel *channel, int budget)
if (!ring)
return 0;
incomplete = 0;
last = 0;
context_next = 0;
napi = (pdata->per_channel_irq) ? &channel->napi : &pdata->napi;
@@ -2138,9 +2156,8 @@ read_again:
received++;
ring->cur++;
incomplete = XGMAC_GET_BITS(packet->attributes,
RX_PACKET_ATTRIBUTES,
INCOMPLETE);
last = XGMAC_GET_BITS(packet->attributes, RX_PACKET_ATTRIBUTES,
LAST);
context_next = XGMAC_GET_BITS(packet->attributes,
RX_PACKET_ATTRIBUTES,
CONTEXT_NEXT);
@@ -2149,7 +2166,7 @@ read_again:
CONTEXT);
/* Earlier error, just drain the remaining data */
if ((incomplete || context_next) && error)
if ((!last || context_next) && error)
goto read_again;
if (error || packet->errors) {
@@ -2161,16 +2178,22 @@ read_again:
}
if (!context) {
/* Length is cumulative, get this descriptor's length */
rdesc_len = rdata->rx.len - len;
len += rdesc_len;
/* Get the data length in the descriptor buffers */
buf1_len = xgbe_rx_buf1_len(rdata, packet);
len += buf1_len;
buf2_len = xgbe_rx_buf2_len(rdata, packet, len);
len += buf2_len;
if (rdesc_len && !skb) {
if (!skb) {
skb = xgbe_create_skb(pdata, napi, rdata,
rdesc_len);
if (!skb)
buf1_len);
if (!skb) {
error = 1;
} else if (rdesc_len) {
goto skip_data;
}
}
if (buf2_len) {
dma_sync_single_range_for_cpu(pdata->dev,
rdata->rx.buf.dma_base,
rdata->rx.buf.dma_off,
@@ -2180,13 +2203,14 @@ read_again:
skb_add_rx_frag(skb, skb_shinfo(skb)->nr_frags,
rdata->rx.buf.pa.pages,
rdata->rx.buf.pa.pages_offset,
rdesc_len,
buf2_len,
rdata->rx.buf.dma_len);
rdata->rx.buf.pa.pages = NULL;
}
}
if (incomplete || context_next)
skip_data:
if (!last || context_next)
goto read_again;
if (!skb)
@@ -2244,7 +2268,7 @@ next_packet:
}
/* Check if we need to save state before leaving */
if (received && (incomplete || context_next)) {
if (received && (!last || context_next)) {
rdata = XGBE_GET_DESC_DATA(ring, ring->cur);
rdata->state_saved = 1;
rdata->state.skb = skb;