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path: root/drivers/net/chelsio/sge.c
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Diffstat (limited to 'drivers/net/chelsio/sge.c')
-rw-r--r--drivers/net/chelsio/sge.c59
1 files changed, 30 insertions, 29 deletions
diff --git a/drivers/net/chelsio/sge.c b/drivers/net/chelsio/sge.c
index 55d99ca82f8..f01cfdb995d 100644
--- a/drivers/net/chelsio/sge.c
+++ b/drivers/net/chelsio/sge.c
@@ -53,6 +53,7 @@
#include <linux/ip.h>
#include <linux/in.h>
#include <linux/if_arp.h>
+#include <linux/slab.h>
#include "cpl5_cmd.h"
#include "sge.h"
@@ -161,14 +162,14 @@ struct respQ_e {
*/
struct cmdQ_ce {
struct sk_buff *skb;
- DECLARE_PCI_UNMAP_ADDR(dma_addr);
- DECLARE_PCI_UNMAP_LEN(dma_len);
+ DEFINE_DMA_UNMAP_ADDR(dma_addr);
+ DEFINE_DMA_UNMAP_LEN(dma_len);
};
struct freelQ_ce {
struct sk_buff *skb;
- DECLARE_PCI_UNMAP_ADDR(dma_addr);
- DECLARE_PCI_UNMAP_LEN(dma_len);
+ DEFINE_DMA_UNMAP_ADDR(dma_addr);
+ DEFINE_DMA_UNMAP_LEN(dma_len);
};
/*
@@ -459,7 +460,7 @@ static struct sk_buff *sched_skb(struct sge *sge, struct sk_buff *skb,
again:
for (i = 0; i < MAX_NPORTS; i++) {
- s->port = ++s->port & (MAX_NPORTS - 1);
+ s->port = (s->port + 1) & (MAX_NPORTS - 1);
skbq = &s->p[s->port].skbq;
skb = skb_peek(skbq);
@@ -517,8 +518,8 @@ static void free_freelQ_buffers(struct pci_dev *pdev, struct freelQ *q)
while (q->credits--) {
struct freelQ_ce *ce = &q->centries[cidx];
- pci_unmap_single(pdev, pci_unmap_addr(ce, dma_addr),
- pci_unmap_len(ce, dma_len),
+ pci_unmap_single(pdev, dma_unmap_addr(ce, dma_addr),
+ dma_unmap_len(ce, dma_len),
PCI_DMA_FROMDEVICE);
dev_kfree_skb(ce->skb);
ce->skb = NULL;
@@ -632,9 +633,9 @@ static void free_cmdQ_buffers(struct sge *sge, struct cmdQ *q, unsigned int n)
q->in_use -= n;
ce = &q->centries[cidx];
while (n--) {
- if (likely(pci_unmap_len(ce, dma_len))) {
- pci_unmap_single(pdev, pci_unmap_addr(ce, dma_addr),
- pci_unmap_len(ce, dma_len),
+ if (likely(dma_unmap_len(ce, dma_len))) {
+ pci_unmap_single(pdev, dma_unmap_addr(ce, dma_addr),
+ dma_unmap_len(ce, dma_len),
PCI_DMA_TODEVICE);
if (q->sop)
q->sop = 0;
@@ -850,8 +851,8 @@ static void refill_free_list(struct sge *sge, struct freelQ *q)
skb_reserve(skb, sge->rx_pkt_pad);
ce->skb = skb;
- pci_unmap_addr_set(ce, dma_addr, mapping);
- pci_unmap_len_set(ce, dma_len, dma_len);
+ dma_unmap_addr_set(ce, dma_addr, mapping);
+ dma_unmap_len_set(ce, dma_len, dma_len);
e->addr_lo = (u32)mapping;
e->addr_hi = (u64)mapping >> 32;
e->len_gen = V_CMD_LEN(dma_len) | V_CMD_GEN1(q->genbit);
@@ -1058,13 +1059,13 @@ static inline struct sk_buff *get_packet(struct pci_dev *pdev,
skb_reserve(skb, 2); /* align IP header */
skb_put(skb, len);
pci_dma_sync_single_for_cpu(pdev,
- pci_unmap_addr(ce, dma_addr),
- pci_unmap_len(ce, dma_len),
+ dma_unmap_addr(ce, dma_addr),
+ dma_unmap_len(ce, dma_len),
PCI_DMA_FROMDEVICE);
skb_copy_from_linear_data(ce->skb, skb->data, len);
pci_dma_sync_single_for_device(pdev,
- pci_unmap_addr(ce, dma_addr),
- pci_unmap_len(ce, dma_len),
+ dma_unmap_addr(ce, dma_addr),
+ dma_unmap_len(ce, dma_len),
PCI_DMA_FROMDEVICE);
recycle_fl_buf(fl, fl->cidx);
return skb;
@@ -1076,8 +1077,8 @@ use_orig_buf:
return NULL;
}
- pci_unmap_single(pdev, pci_unmap_addr(ce, dma_addr),
- pci_unmap_len(ce, dma_len), PCI_DMA_FROMDEVICE);
+ pci_unmap_single(pdev, dma_unmap_addr(ce, dma_addr),
+ dma_unmap_len(ce, dma_len), PCI_DMA_FROMDEVICE);
skb = ce->skb;
prefetch(skb->data);
@@ -1099,8 +1100,8 @@ static void unexpected_offload(struct adapter *adapter, struct freelQ *fl)
struct freelQ_ce *ce = &fl->centries[fl->cidx];
struct sk_buff *skb = ce->skb;
- pci_dma_sync_single_for_cpu(adapter->pdev, pci_unmap_addr(ce, dma_addr),
- pci_unmap_len(ce, dma_len), PCI_DMA_FROMDEVICE);
+ pci_dma_sync_single_for_cpu(adapter->pdev, dma_unmap_addr(ce, dma_addr),
+ dma_unmap_len(ce, dma_len), PCI_DMA_FROMDEVICE);
pr_err("%s: unexpected offload packet, cmd %u\n",
adapter->name, *skb->data);
recycle_fl_buf(fl, fl->cidx);
@@ -1122,7 +1123,7 @@ static inline unsigned int compute_large_page_tx_descs(struct sk_buff *skb)
if (PAGE_SIZE > SGE_TX_DESC_MAX_PLEN) {
unsigned int nfrags = skb_shinfo(skb)->nr_frags;
- unsigned int i, len = skb->len - skb->data_len;
+ unsigned int i, len = skb_headlen(skb);
while (len > SGE_TX_DESC_MAX_PLEN) {
count++;
len -= SGE_TX_DESC_MAX_PLEN;
@@ -1181,7 +1182,7 @@ static inline unsigned int write_large_page_tx_descs(unsigned int pidx,
write_tx_desc(e1, *desc_mapping, SGE_TX_DESC_MAX_PLEN,
*gen, nfrags == 0 && *desc_len == 0);
ce1->skb = NULL;
- pci_unmap_len_set(ce1, dma_len, 0);
+ dma_unmap_len_set(ce1, dma_len, 0);
*desc_mapping += SGE_TX_DESC_MAX_PLEN;
if (*desc_len) {
ce1++;
@@ -1218,10 +1219,10 @@ static inline void write_tx_descs(struct adapter *adapter, struct sk_buff *skb,
ce = &q->centries[pidx];
mapping = pci_map_single(adapter->pdev, skb->data,
- skb->len - skb->data_len, PCI_DMA_TODEVICE);
+ skb_headlen(skb), PCI_DMA_TODEVICE);
desc_mapping = mapping;
- desc_len = skb->len - skb->data_len;
+ desc_len = skb_headlen(skb);
flags = F_CMD_DATAVALID | F_CMD_SOP |
V_CMD_EOP(nfrags == 0 && desc_len <= SGE_TX_DESC_MAX_PLEN) |
@@ -1232,7 +1233,7 @@ static inline void write_tx_descs(struct adapter *adapter, struct sk_buff *skb,
e->addr_hi = (u64)desc_mapping >> 32;
e->len_gen = V_CMD_LEN(first_desc_len) | V_CMD_GEN1(gen);
ce->skb = NULL;
- pci_unmap_len_set(ce, dma_len, 0);
+ dma_unmap_len_set(ce, dma_len, 0);
if (PAGE_SIZE > SGE_TX_DESC_MAX_PLEN &&
desc_len > SGE_TX_DESC_MAX_PLEN) {
@@ -1256,8 +1257,8 @@ static inline void write_tx_descs(struct adapter *adapter, struct sk_buff *skb,
}
ce->skb = NULL;
- pci_unmap_addr_set(ce, dma_addr, mapping);
- pci_unmap_len_set(ce, dma_len, skb->len - skb->data_len);
+ dma_unmap_addr_set(ce, dma_addr, mapping);
+ dma_unmap_len_set(ce, dma_len, skb_headlen(skb));
for (i = 0; nfrags--; i++) {
skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
@@ -1283,8 +1284,8 @@ static inline void write_tx_descs(struct adapter *adapter, struct sk_buff *skb,
write_tx_desc(e1, desc_mapping, desc_len, gen,
nfrags == 0);
ce->skb = NULL;
- pci_unmap_addr_set(ce, dma_addr, mapping);
- pci_unmap_len_set(ce, dma_len, frag->size);
+ dma_unmap_addr_set(ce, dma_addr, mapping);
+ dma_unmap_len_set(ce, dma_len, frag->size);
}
ce->skb = skb;
wmb();
generated by cgit v1.2.3-70-g09d2 (git 2.51.2) at 2025-11-04 14:43:22 +0000