* You can't change the ring sizes, but you can change where you place
* them in the NIC onboard memory.
*/
-#define TG3_RX_RING_SIZE 512
+#define TG3_RX_STD_RING_SIZE(tp) 512
#define TG3_DEF_RX_RING_PENDING 200
-#define TG3_RX_JUMBO_RING_SIZE 256
+#define TG3_RX_JMB_RING_SIZE(tp) 256
#define TG3_DEF_RX_JUMBO_RING_PENDING 100
#define TG3_RSS_INDIR_TBL_SIZE 128
#define TG3_TX_RING_SIZE 512
#define TG3_DEF_TX_RING_PENDING (TG3_TX_RING_SIZE - 1)
-#define TG3_RX_RING_BYTES (sizeof(struct tg3_rx_buffer_desc) * \
- TG3_RX_RING_SIZE)
-#define TG3_RX_JUMBO_RING_BYTES (sizeof(struct tg3_ext_rx_buffer_desc) * \
- TG3_RX_JUMBO_RING_SIZE)
-#define TG3_RX_RCB_RING_BYTES(tp) (sizeof(struct tg3_rx_buffer_desc) * \
- TG3_RX_RCB_RING_SIZE(tp))
+#define TG3_RX_STD_RING_BYTES(tp) \
+ (sizeof(struct tg3_rx_buffer_desc) * TG3_RX_STD_RING_SIZE(tp))
+#define TG3_RX_JMB_RING_BYTES(tp) \
+ (sizeof(struct tg3_ext_rx_buffer_desc) * TG3_RX_JMB_RING_SIZE(tp))
+#define TG3_RX_RCB_RING_BYTES(tp) \
+ (sizeof(struct tg3_rx_buffer_desc) * TG3_RX_RCB_RING_SIZE(tp))
#define TG3_TX_RING_BYTES (sizeof(struct tg3_tx_buffer_desc) * \
TG3_TX_RING_SIZE)
#define NEXT_TX(N) (((N) + 1) & (TG3_TX_RING_SIZE - 1))
#define TG3_RX_STD_MAP_SZ TG3_RX_DMA_TO_MAP_SZ(TG3_RX_STD_DMA_SZ)
#define TG3_RX_JMB_MAP_SZ TG3_RX_DMA_TO_MAP_SZ(TG3_RX_JMB_DMA_SZ)
-#define TG3_RX_STD_BUFF_RING_SIZE \
- (sizeof(struct ring_info) * TG3_RX_RING_SIZE)
+#define TG3_RX_STD_BUFF_RING_SIZE(tp) \
+ (sizeof(struct ring_info) * TG3_RX_STD_RING_SIZE(tp))
-#define TG3_RX_JMB_BUFF_RING_SIZE \
- (sizeof(struct ring_info) * TG3_RX_JUMBO_RING_SIZE)
+#define TG3_RX_JMB_BUFF_RING_SIZE(tp) \
+ (sizeof(struct ring_info) * TG3_RX_JMB_RING_SIZE(tp))
/* Due to a hardware bug, the 5701 can only DMA to memory addresses
* that are at least dword aligned when used in PCIX mode. The driver
src_map = NULL;
switch (opaque_key) {
case RXD_OPAQUE_RING_STD:
- dest_idx = dest_idx_unmasked % TG3_RX_RING_SIZE;
+ dest_idx = dest_idx_unmasked & tp->rx_std_ring_mask;
desc = &tpr->rx_std[dest_idx];
map = &tpr->rx_std_buffers[dest_idx];
skb_size = tp->rx_pkt_map_sz;
break;
case RXD_OPAQUE_RING_JUMBO:
- dest_idx = dest_idx_unmasked % TG3_RX_JUMBO_RING_SIZE;
+ dest_idx = dest_idx_unmasked & tp->rx_jmb_ring_mask;
desc = &tpr->rx_jmb[dest_idx].std;
map = &tpr->rx_jmb_buffers[dest_idx];
skb_size = TG3_RX_JMB_MAP_SZ;
switch (opaque_key) {
case RXD_OPAQUE_RING_STD:
- dest_idx = dest_idx_unmasked % TG3_RX_RING_SIZE;
+ dest_idx = dest_idx_unmasked & tp->rx_std_ring_mask;
dest_desc = &dpr->rx_std[dest_idx];
dest_map = &dpr->rx_std_buffers[dest_idx];
src_desc = &spr->rx_std[src_idx];
break;
case RXD_OPAQUE_RING_JUMBO:
- dest_idx = dest_idx_unmasked % TG3_RX_JUMBO_RING_SIZE;
+ dest_idx = dest_idx_unmasked & tp->rx_jmb_ring_mask;
dest_desc = &dpr->rx_jmb[dest_idx].std;
dest_map = &dpr->rx_jmb_buffers[dest_idx];
src_desc = &spr->rx_jmb[src_idx].std;
(*post_ptr)++;
if (unlikely(rx_std_posted >= tp->rx_std_max_post)) {
- tpr->rx_std_prod_idx = std_prod_idx % TG3_RX_RING_SIZE;
+ tpr->rx_std_prod_idx = std_prod_idx &
+ tp->rx_std_ring_mask;
tw32_rx_mbox(TG3_RX_STD_PROD_IDX_REG,
tpr->rx_std_prod_idx);
work_mask &= ~RXD_OPAQUE_RING_STD;
/* Refill RX ring(s). */
if (!(tp->tg3_flags3 & TG3_FLG3_ENABLE_RSS)) {
if (work_mask & RXD_OPAQUE_RING_STD) {
- tpr->rx_std_prod_idx = std_prod_idx % TG3_RX_RING_SIZE;
+ tpr->rx_std_prod_idx = std_prod_idx &
+ tp->rx_std_ring_mask;
tw32_rx_mbox(TG3_RX_STD_PROD_IDX_REG,
tpr->rx_std_prod_idx);
}
if (work_mask & RXD_OPAQUE_RING_JUMBO) {
- tpr->rx_jmb_prod_idx = jmb_prod_idx %
- TG3_RX_JUMBO_RING_SIZE;
+ tpr->rx_jmb_prod_idx = jmb_prod_idx &
+ tp->rx_jmb_ring_mask;
tw32_rx_mbox(TG3_RX_JMB_PROD_IDX_REG,
tpr->rx_jmb_prod_idx);
}
*/
smp_wmb();
- tpr->rx_std_prod_idx = std_prod_idx % TG3_RX_RING_SIZE;
- tpr->rx_jmb_prod_idx = jmb_prod_idx % TG3_RX_JUMBO_RING_SIZE;
+ tpr->rx_std_prod_idx = std_prod_idx & tp->rx_std_ring_mask;
+ tpr->rx_jmb_prod_idx = jmb_prod_idx & tp->rx_jmb_ring_mask;
if (tnapi != &tp->napi[1])
napi_schedule(&tp->napi[1].napi);
if (spr->rx_std_cons_idx < src_prod_idx)
cpycnt = src_prod_idx - spr->rx_std_cons_idx;
else
- cpycnt = TG3_RX_RING_SIZE - spr->rx_std_cons_idx;
+ cpycnt = tp->rx_std_ring_mask + 1 -
+ spr->rx_std_cons_idx;
- cpycnt = min(cpycnt, TG3_RX_RING_SIZE - dpr->rx_std_prod_idx);
+ cpycnt = min(cpycnt,
+ tp->rx_std_ring_mask + 1 - dpr->rx_std_prod_idx);
si = spr->rx_std_cons_idx;
di = dpr->rx_std_prod_idx;
dbd->addr_lo = sbd->addr_lo;
}
- spr->rx_std_cons_idx = (spr->rx_std_cons_idx + cpycnt) %
- TG3_RX_RING_SIZE;
- dpr->rx_std_prod_idx = (dpr->rx_std_prod_idx + cpycnt) %
- TG3_RX_RING_SIZE;
+ spr->rx_std_cons_idx = (spr->rx_std_cons_idx + cpycnt) &
+ tp->rx_std_ring_mask;
+ dpr->rx_std_prod_idx = (dpr->rx_std_prod_idx + cpycnt) &
+ tp->rx_std_ring_mask;
}
while (1) {
if (spr->rx_jmb_cons_idx < src_prod_idx)
cpycnt = src_prod_idx - spr->rx_jmb_cons_idx;
else
- cpycnt = TG3_RX_JUMBO_RING_SIZE - spr->rx_jmb_cons_idx;
+ cpycnt = tp->rx_jmb_ring_mask + 1 -
+ spr->rx_jmb_cons_idx;
cpycnt = min(cpycnt,
- TG3_RX_JUMBO_RING_SIZE - dpr->rx_jmb_prod_idx);
+ tp->rx_jmb_ring_mask + 1 - dpr->rx_jmb_prod_idx);
si = spr->rx_jmb_cons_idx;
di = dpr->rx_jmb_prod_idx;
dbd->addr_lo = sbd->addr_lo;
}
- spr->rx_jmb_cons_idx = (spr->rx_jmb_cons_idx + cpycnt) %
- TG3_RX_JUMBO_RING_SIZE;
- dpr->rx_jmb_prod_idx = (dpr->rx_jmb_prod_idx + cpycnt) %
- TG3_RX_JUMBO_RING_SIZE;
+ spr->rx_jmb_cons_idx = (spr->rx_jmb_cons_idx + cpycnt) &
+ tp->rx_jmb_ring_mask;
+ dpr->rx_jmb_prod_idx = (dpr->rx_jmb_prod_idx + cpycnt) &
+ tp->rx_jmb_ring_mask;
}
return err;
if (tpr != &tp->napi[0].prodring) {
for (i = tpr->rx_std_cons_idx; i != tpr->rx_std_prod_idx;
- i = (i + 1) % TG3_RX_RING_SIZE)
+ i = (i + 1) & tp->rx_std_ring_mask)
tg3_rx_skb_free(tp, &tpr->rx_std_buffers[i],
tp->rx_pkt_map_sz);
if (tp->tg3_flags & TG3_FLAG_JUMBO_CAPABLE) {
for (i = tpr->rx_jmb_cons_idx;
i != tpr->rx_jmb_prod_idx;
- i = (i + 1) % TG3_RX_JUMBO_RING_SIZE) {
+ i = (i + 1) & tp->rx_jmb_ring_mask) {
tg3_rx_skb_free(tp, &tpr->rx_jmb_buffers[i],
TG3_RX_JMB_MAP_SZ);
}
return;
}
- for (i = 0; i < TG3_RX_RING_SIZE; i++)
+ for (i = 0; i <= tp->rx_std_ring_mask; i++)
tg3_rx_skb_free(tp, &tpr->rx_std_buffers[i],
tp->rx_pkt_map_sz);
if (tp->tg3_flags & TG3_FLAG_JUMBO_CAPABLE) {
- for (i = 0; i < TG3_RX_JUMBO_RING_SIZE; i++)
+ for (i = 0; i <= tp->rx_jmb_ring_mask; i++)
tg3_rx_skb_free(tp, &tpr->rx_jmb_buffers[i],
TG3_RX_JMB_MAP_SZ);
}
tpr->rx_jmb_prod_idx = 0;
if (tpr != &tp->napi[0].prodring) {
- memset(&tpr->rx_std_buffers[0], 0, TG3_RX_STD_BUFF_RING_SIZE);
+ memset(&tpr->rx_std_buffers[0], 0,
+ TG3_RX_STD_BUFF_RING_SIZE(tp));
if (tp->tg3_flags & TG3_FLAG_JUMBO_CAPABLE)
memset(&tpr->rx_jmb_buffers[0], 0,
- TG3_RX_JMB_BUFF_RING_SIZE);
+ TG3_RX_JMB_BUFF_RING_SIZE(tp));
goto done;
}
/* Zero out all descriptors. */
- memset(tpr->rx_std, 0, TG3_RX_RING_BYTES);
+ memset(tpr->rx_std, 0, TG3_RX_STD_RING_BYTES(tp));
rx_pkt_dma_sz = TG3_RX_STD_DMA_SZ;
if ((tp->tg3_flags2 & TG3_FLG2_5780_CLASS) &&
* stuff once. This works because the card does not
* write into the rx buffer posting rings.
*/
- for (i = 0; i < TG3_RX_RING_SIZE; i++) {
+ for (i = 0; i <= tp->rx_std_ring_mask; i++) {
struct tg3_rx_buffer_desc *rxd;
rxd = &tpr->rx_std[i];
if (!(tp->tg3_flags & TG3_FLAG_JUMBO_CAPABLE))
goto done;
- memset(tpr->rx_jmb, 0, TG3_RX_JUMBO_RING_BYTES);
+ memset(tpr->rx_jmb, 0, TG3_RX_JMB_RING_BYTES(tp));
if (!(tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE))
goto done;
- for (i = 0; i < TG3_RX_JUMBO_RING_SIZE; i++) {
+ for (i = 0; i <= tp->rx_jmb_ring_mask; i++) {
struct tg3_rx_buffer_desc *rxd;
rxd = &tpr->rx_jmb[i].std;
kfree(tpr->rx_jmb_buffers);
tpr->rx_jmb_buffers = NULL;
if (tpr->rx_std) {
- pci_free_consistent(tp->pdev, TG3_RX_RING_BYTES,
+ pci_free_consistent(tp->pdev, TG3_RX_STD_RING_BYTES(tp),
tpr->rx_std, tpr->rx_std_mapping);
tpr->rx_std = NULL;
}
if (tpr->rx_jmb) {
- pci_free_consistent(tp->pdev, TG3_RX_JUMBO_RING_BYTES,
+ pci_free_consistent(tp->pdev, TG3_RX_JMB_RING_BYTES(tp),
tpr->rx_jmb, tpr->rx_jmb_mapping);
tpr->rx_jmb = NULL;
}
static int tg3_rx_prodring_init(struct tg3 *tp,
struct tg3_rx_prodring_set *tpr)
{
- tpr->rx_std_buffers = kzalloc(TG3_RX_STD_BUFF_RING_SIZE, GFP_KERNEL);
+ tpr->rx_std_buffers = kzalloc(TG3_RX_STD_BUFF_RING_SIZE(tp),
+ GFP_KERNEL);
if (!tpr->rx_std_buffers)
return -ENOMEM;
- tpr->rx_std = pci_alloc_consistent(tp->pdev, TG3_RX_RING_BYTES,
+ tpr->rx_std = pci_alloc_consistent(tp->pdev, TG3_RX_STD_RING_BYTES(tp),
&tpr->rx_std_mapping);
if (!tpr->rx_std)
goto err_out;
if (tp->tg3_flags & TG3_FLAG_JUMBO_CAPABLE) {
- tpr->rx_jmb_buffers = kzalloc(TG3_RX_JMB_BUFF_RING_SIZE,
+ tpr->rx_jmb_buffers = kzalloc(TG3_RX_JMB_BUFF_RING_SIZE(tp),
GFP_KERNEL);
if (!tpr->rx_jmb_buffers)
goto err_out;
tpr->rx_jmb = pci_alloc_consistent(tp->pdev,
- TG3_RX_JUMBO_RING_BYTES,
+ TG3_RX_JMB_RING_BYTES(tp),
&tpr->rx_jmb_mapping);
if (!tpr->rx_jmb)
goto err_out;
{
struct tg3 *tp = netdev_priv(dev);
- ering->rx_max_pending = TG3_RX_RING_SIZE - 1;
+ ering->rx_max_pending = tp->rx_std_ring_mask;
ering->rx_mini_max_pending = 0;
if (tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE)
- ering->rx_jumbo_max_pending = TG3_RX_JUMBO_RING_SIZE - 1;
+ ering->rx_jumbo_max_pending = tp->rx_jmb_ring_mask;
else
ering->rx_jumbo_max_pending = 0;
struct tg3 *tp = netdev_priv(dev);
int i, irq_sync = 0, err = 0;
- if ((ering->rx_pending > TG3_RX_RING_SIZE - 1) ||
- (ering->rx_jumbo_pending > TG3_RX_JUMBO_RING_SIZE - 1) ||
+ if ((ering->rx_pending > tp->rx_std_ring_mask) ||
+ (ering->rx_jumbo_pending > tp->rx_jmb_ring_mask) ||
(ering->tx_pending > TG3_TX_RING_SIZE - 1) ||
(ering->tx_pending <= MAX_SKB_FRAGS) ||
((tp->tg3_flags2 & TG3_FLG2_TSO_BUG) &&
#endif
}
- tp->rx_std_max_post = TG3_RX_RING_SIZE;
+ tp->rx_std_ring_mask = TG3_RX_STD_RING_SIZE(tp) - 1;
+ tp->rx_jmb_ring_mask = TG3_RX_JMB_RING_SIZE(tp) - 1;
+ tp->rx_std_max_post = tp->rx_std_ring_mask + 1;
/* Increment the rx prod index on the rx std ring by at most
* 8 for these chips to workaround hw errata.
git://bbs.cooldavid.org / net-next-2.6.git / blobdiff