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Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/gi…
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…t/jkirsher/net-next
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David S. Miller committed Feb 12, 2012
2 parents d5ef8a4 + 4031ae6 commit 3cc26e3
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Showing 5 changed files with 505 additions and 282 deletions.
29 changes: 20 additions & 9 deletions drivers/net/ethernet/intel/ixgbe/ixgbe.h
View file
Original file line number Diff line number Diff line change
Expand Up @@ -190,6 +190,7 @@ struct ixgbe_rx_queue_stats {
u64 non_eop_descs;
u64 alloc_rx_page_failed;
u64 alloc_rx_buff_failed;
u64 csum_err;
};

enum ixbge_ring_state_t {
Expand All @@ -198,6 +199,7 @@ enum ixbge_ring_state_t {
__IXGBE_HANG_CHECK_ARMED,
__IXGBE_RX_PS_ENABLED,
__IXGBE_RX_RSC_ENABLED,
__IXGBE_RX_CSUM_UDP_ZERO_ERR,
};

#define ring_is_ps_enabled(ring) \
Expand Down Expand Up @@ -329,6 +331,13 @@ struct ixgbe_q_vector {
#define IXGBE_10K_ITR 400
#define IXGBE_8K_ITR 500

/* ixgbe_test_staterr - tests bits in Rx descriptor status and error fields */
static inline __le32 ixgbe_test_staterr(union ixgbe_adv_rx_desc *rx_desc,
const u32 stat_err_bits)
{
return rx_desc->wb.upper.status_error & cpu_to_le32(stat_err_bits);
}

static inline u16 ixgbe_desc_unused(struct ixgbe_ring *ring)
{
u16 ntc = ring->next_to_clean;
Expand All @@ -337,11 +346,11 @@ static inline u16 ixgbe_desc_unused(struct ixgbe_ring *ring)
return ((ntc > ntu) ? 0 : ring->count) + ntc - ntu - 1;
}

#define IXGBE_RX_DESC_ADV(R, i) \
#define IXGBE_RX_DESC(R, i) \
(&(((union ixgbe_adv_rx_desc *)((R)->desc))[i]))
#define IXGBE_TX_DESC_ADV(R, i) \
#define IXGBE_TX_DESC(R, i) \
(&(((union ixgbe_adv_tx_desc *)((R)->desc))[i]))
#define IXGBE_TX_CTXTDESC_ADV(R, i) \
#define IXGBE_TX_CTXTDESC(R, i) \
(&(((struct ixgbe_adv_tx_context_desc *)((R)->desc))[i]))

#define IXGBE_MAX_JUMBO_FRAME_SIZE 16128
Expand Down Expand Up @@ -372,7 +381,6 @@ struct ixgbe_adapter {
* thus the additional *_CAPABLE flags.
*/
u32 flags;
#define IXGBE_FLAG_RX_CSUM_ENABLED (u32)(1)
#define IXGBE_FLAG_MSI_CAPABLE (u32)(1 << 1)
#define IXGBE_FLAG_MSI_ENABLED (u32)(1 << 2)
#define IXGBE_FLAG_MSIX_CAPABLE (u32)(1 << 3)
Expand Down Expand Up @@ -535,12 +543,16 @@ enum ixbge_state_t {
__IXGBE_IN_SFP_INIT,
};

struct ixgbe_rsc_cb {
struct ixgbe_cb {
union { /* Union defining head/tail partner */
struct sk_buff *head;
struct sk_buff *tail;
};
dma_addr_t dma;
u16 skb_cnt;
u16 append_cnt;
bool delay_unmap;
};
#define IXGBE_RSC_CB(skb) ((struct ixgbe_rsc_cb *)(skb)->cb)
#define IXGBE_CB(skb) ((struct ixgbe_cb *)(skb)->cb)

enum ixgbe_boards {
board_82598,
Expand Down Expand Up @@ -614,8 +626,7 @@ extern int ixgbe_fso(struct ixgbe_ring *tx_ring, struct sk_buff *skb,
extern void ixgbe_cleanup_fcoe(struct ixgbe_adapter *adapter);
extern int ixgbe_fcoe_ddp(struct ixgbe_adapter *adapter,
union ixgbe_adv_rx_desc *rx_desc,
struct sk_buff *skb,
u32 staterr);
struct sk_buff *skb);
extern int ixgbe_fcoe_ddp_get(struct net_device *netdev, u16 xid,
struct scatterlist *sgl, unsigned int sgc);
extern int ixgbe_fcoe_ddp_target(struct net_device *netdev, u16 xid,
Expand Down
4 changes: 2 additions & 2 deletions drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c
View file
Original file line number Diff line number Diff line change
Expand Up @@ -1739,7 +1739,7 @@ static u16 ixgbe_clean_test_rings(struct ixgbe_ring *rx_ring,
/* initialize next to clean and descriptor values */
rx_ntc = rx_ring->next_to_clean;
tx_ntc = tx_ring->next_to_clean;
rx_desc = IXGBE_RX_DESC_ADV(rx_ring, rx_ntc);
rx_desc = IXGBE_RX_DESC(rx_ring, rx_ntc);
staterr = le32_to_cpu(rx_desc->wb.upper.status_error);

while (staterr & IXGBE_RXD_STAT_DD) {
Expand Down Expand Up @@ -1770,7 +1770,7 @@ static u16 ixgbe_clean_test_rings(struct ixgbe_ring *rx_ring,
tx_ntc = 0;

/* fetch next descriptor */
rx_desc = IXGBE_RX_DESC_ADV(rx_ring, rx_ntc);
rx_desc = IXGBE_RX_DESC(rx_ring, rx_ntc);
staterr = le32_to_cpu(rx_desc->wb.upper.status_error);
}

Expand Down
59 changes: 35 additions & 24 deletions drivers/net/ethernet/intel/ixgbe/ixgbe_fcoe.c
View file
Original file line number Diff line number Diff line change
Expand Up @@ -357,22 +357,20 @@ int ixgbe_fcoe_ddp_target(struct net_device *netdev, u16 xid,
*/
int ixgbe_fcoe_ddp(struct ixgbe_adapter *adapter,
union ixgbe_adv_rx_desc *rx_desc,
struct sk_buff *skb,
u32 staterr)
struct sk_buff *skb)
{
u16 xid;
u32 fctl;
u32 fceofe, fcerr, fcstat;
int rc = -EINVAL;
struct ixgbe_fcoe *fcoe;
struct ixgbe_fcoe_ddp *ddp;
struct fc_frame_header *fh;
struct fcoe_crc_eof *crc;
__le32 fcerr = ixgbe_test_staterr(rx_desc, IXGBE_RXDADV_ERR_FCERR);
__le32 ddp_err;
u32 fctl;
u16 xid;

fcerr = (staterr & IXGBE_RXDADV_ERR_FCERR);
fceofe = (staterr & IXGBE_RXDADV_ERR_FCEOFE);
if (fcerr == IXGBE_FCERR_BADCRC)
skb_checksum_none_assert(skb);
if (fcerr == cpu_to_le32(IXGBE_FCERR_BADCRC))
skb->ip_summed = CHECKSUM_NONE;
else
skb->ip_summed = CHECKSUM_UNNECESSARY;

Expand All @@ -382,6 +380,7 @@ int ixgbe_fcoe_ddp(struct ixgbe_adapter *adapter,
else
fh = (struct fc_frame_header *)(skb->data +
sizeof(struct fcoe_hdr));

fctl = ntoh24(fh->fh_f_ctl);
if (fctl & FC_FC_EX_CTX)
xid = be16_to_cpu(fh->fh_ox_id);
Expand All @@ -396,27 +395,39 @@ int ixgbe_fcoe_ddp(struct ixgbe_adapter *adapter,
if (!ddp->udl)
goto ddp_out;

if (fcerr | fceofe)
ddp_err = ixgbe_test_staterr(rx_desc, IXGBE_RXDADV_ERR_FCEOFE |
IXGBE_RXDADV_ERR_FCERR);
if (ddp_err)
goto ddp_out;

fcstat = (staterr & IXGBE_RXDADV_STAT_FCSTAT);
if (fcstat) {
switch (ixgbe_test_staterr(rx_desc, IXGBE_RXDADV_STAT_FCSTAT)) {
/* return 0 to bypass going to ULD for DDPed data */
case __constant_cpu_to_le32(IXGBE_RXDADV_STAT_FCSTAT_DDP):
/* update length of DDPed data */
ddp->len = le32_to_cpu(rx_desc->wb.lower.hi_dword.rss);
/* unmap the sg list when FCP_RSP is received */
if (fcstat == IXGBE_RXDADV_STAT_FCSTAT_FCPRSP) {
pci_unmap_sg(adapter->pdev, ddp->sgl,
ddp->sgc, DMA_FROM_DEVICE);
ddp->err = (fcerr | fceofe);
ddp->sgl = NULL;
ddp->sgc = 0;
}
/* return 0 to bypass going to ULD for DDPed data */
if (fcstat == IXGBE_RXDADV_STAT_FCSTAT_DDP)
rc = 0;
else if (ddp->len)
rc = 0;
break;
/* unmap the sg list when FCPRSP is received */
case __constant_cpu_to_le32(IXGBE_RXDADV_STAT_FCSTAT_FCPRSP):
pci_unmap_sg(adapter->pdev, ddp->sgl,
ddp->sgc, DMA_FROM_DEVICE);
ddp->err = ddp_err;
ddp->sgl = NULL;
ddp->sgc = 0;
/* fall through */
/* if DDP length is present pass it through to ULD */
case __constant_cpu_to_le32(IXGBE_RXDADV_STAT_FCSTAT_NODDP):
/* update length of DDPed data */
ddp->len = le32_to_cpu(rx_desc->wb.lower.hi_dword.rss);
if (ddp->len)
rc = ddp->len;
break;
/* no match will return as an error */
case __constant_cpu_to_le32(IXGBE_RXDADV_STAT_FCSTAT_NOMTCH):
default:
break;
}

/* In target mode, check the last data frame of the sequence.
* For DDP in target mode, data is already DDPed but the header
* indication of the last data frame ould allow is to tell if we
Expand Down
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