atm: [he] remove #ifdef clutter
Signed-off-by: Chas Williams <chas@cmf.nrl.navy.mil> Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Chas Williams
David S. Miller
parent
97928f7021
commit
7255ca3f3c
152
drivers/atm/he.c
152
drivers/atm/he.c
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@ -75,14 +75,8 @@
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#include <linux/atm.h>
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#include <linux/sonet.h>
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#define USE_TASKLET
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#undef USE_SCATTERGATHER
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#undef USE_CHECKSUM_HW /* still confused about this */
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#define USE_RBPS
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#undef USE_RBPS_POOL /* if memory is tight try this */
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#undef USE_RBPL_POOL /* if memory is tight try this */
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#define USE_TPD_POOL
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/* #undef CONFIG_ATM_HE_USE_SUNI */
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/* #undef HE_DEBUG */
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#include "he.h"
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@ -388,9 +382,7 @@ he_init_one(struct pci_dev *pci_dev, const struct pci_device_id *pci_ent)
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he_dev->atm_dev->dev_data = he_dev;
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atm_dev->dev_data = he_dev;
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he_dev->number = atm_dev->number;
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#ifdef USE_TASKLET
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tasklet_init(&he_dev->tasklet, he_tasklet, (unsigned long) he_dev);
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#endif
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spin_lock_init(&he_dev->global_lock);
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if (he_start(atm_dev)) {
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@ -787,23 +779,13 @@ he_init_group(struct he_dev *he_dev, int group)
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{
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int i;
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#ifdef USE_RBPS
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/* small buffer pool */
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#ifdef USE_RBPS_POOL
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he_dev->rbps_pool = pci_pool_create("rbps", he_dev->pci_dev,
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CONFIG_RBPS_BUFSIZE, 8, 0);
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if (he_dev->rbps_pool == NULL) {
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hprintk("unable to create rbps pages\n");
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return -ENOMEM;
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}
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#else /* !USE_RBPS_POOL */
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he_dev->rbps_pages = pci_alloc_consistent(he_dev->pci_dev,
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CONFIG_RBPS_SIZE * CONFIG_RBPS_BUFSIZE, &he_dev->rbps_pages_phys);
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if (he_dev->rbps_pages == NULL) {
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hprintk("unable to create rbps page pool\n");
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return -ENOMEM;
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}
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#endif /* USE_RBPS_POOL */
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he_dev->rbps_base = pci_alloc_consistent(he_dev->pci_dev,
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CONFIG_RBPS_SIZE * sizeof(struct he_rbp), &he_dev->rbps_phys);
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@ -818,14 +800,9 @@ he_init_group(struct he_dev *he_dev, int group)
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dma_addr_t dma_handle;
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void *cpuaddr;
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#ifdef USE_RBPS_POOL
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cpuaddr = pci_pool_alloc(he_dev->rbps_pool, GFP_KERNEL|GFP_DMA, &dma_handle);
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if (cpuaddr == NULL)
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return -ENOMEM;
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#else
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cpuaddr = he_dev->rbps_pages + (i * CONFIG_RBPS_BUFSIZE);
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dma_handle = he_dev->rbps_pages_phys + (i * CONFIG_RBPS_BUFSIZE);
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#endif
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he_dev->rbps_virt[i].virt = cpuaddr;
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he_dev->rbps_base[i].status = RBP_LOANED | RBP_SMALLBUF | (i << RBP_INDEX_OFF);
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@ -844,30 +821,14 @@ he_init_group(struct he_dev *he_dev, int group)
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RBP_QSIZE(CONFIG_RBPS_SIZE - 1) |
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RBP_INT_ENB,
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G0_RBPS_QI + (group * 32));
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#else /* !USE_RBPS */
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he_writel(he_dev, 0x0, G0_RBPS_S + (group * 32));
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he_writel(he_dev, 0x0, G0_RBPS_T + (group * 32));
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he_writel(he_dev, 0x0, G0_RBPS_QI + (group * 32));
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he_writel(he_dev, RBP_THRESH(0x1) | RBP_QSIZE(0x0),
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G0_RBPS_BS + (group * 32));
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#endif /* USE_RBPS */
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/* large buffer pool */
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#ifdef USE_RBPL_POOL
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he_dev->rbpl_pool = pci_pool_create("rbpl", he_dev->pci_dev,
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CONFIG_RBPL_BUFSIZE, 8, 0);
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if (he_dev->rbpl_pool == NULL) {
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hprintk("unable to create rbpl pool\n");
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return -ENOMEM;
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}
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#else /* !USE_RBPL_POOL */
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he_dev->rbpl_pages = (void *) pci_alloc_consistent(he_dev->pci_dev,
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CONFIG_RBPL_SIZE * CONFIG_RBPL_BUFSIZE, &he_dev->rbpl_pages_phys);
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if (he_dev->rbpl_pages == NULL) {
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hprintk("unable to create rbpl pages\n");
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return -ENOMEM;
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}
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#endif /* USE_RBPL_POOL */
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he_dev->rbpl_base = pci_alloc_consistent(he_dev->pci_dev,
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CONFIG_RBPL_SIZE * sizeof(struct he_rbp), &he_dev->rbpl_phys);
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@ -882,14 +843,9 @@ he_init_group(struct he_dev *he_dev, int group)
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dma_addr_t dma_handle;
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void *cpuaddr;
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#ifdef USE_RBPL_POOL
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cpuaddr = pci_pool_alloc(he_dev->rbpl_pool, GFP_KERNEL|GFP_DMA, &dma_handle);
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if (cpuaddr == NULL)
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return -ENOMEM;
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#else
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cpuaddr = he_dev->rbpl_pages + (i * CONFIG_RBPL_BUFSIZE);
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dma_handle = he_dev->rbpl_pages_phys + (i * CONFIG_RBPL_BUFSIZE);
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#endif
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he_dev->rbpl_virt[i].virt = cpuaddr;
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he_dev->rbpl_base[i].status = RBP_LOANED | (i << RBP_INDEX_OFF);
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@ -1475,7 +1431,6 @@ he_start(struct atm_dev *dev)
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he_init_tpdrq(he_dev);
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#ifdef USE_TPD_POOL
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he_dev->tpd_pool = pci_pool_create("tpd", he_dev->pci_dev,
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sizeof(struct he_tpd), TPD_ALIGNMENT, 0);
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if (he_dev->tpd_pool == NULL) {
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@ -1484,20 +1439,6 @@ he_start(struct atm_dev *dev)
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}
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INIT_LIST_HEAD(&he_dev->outstanding_tpds);
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#else
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he_dev->tpd_base = (void *) pci_alloc_consistent(he_dev->pci_dev,
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CONFIG_NUMTPDS * sizeof(struct he_tpd), &he_dev->tpd_base_phys);
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if (!he_dev->tpd_base)
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return -ENOMEM;
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for (i = 0; i < CONFIG_NUMTPDS; ++i) {
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he_dev->tpd_base[i].status = (i << TPD_ADDR_SHIFT);
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he_dev->tpd_base[i].inuse = 0;
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}
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he_dev->tpd_head = he_dev->tpd_base;
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he_dev->tpd_end = &he_dev->tpd_base[CONFIG_NUMTPDS - 1];
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#endif
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if (he_init_group(he_dev, 0) != 0)
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return -ENOMEM;
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@ -1606,9 +1547,7 @@ he_stop(struct he_dev *he_dev)
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gen_cntl_0 &= ~(INT_PROC_ENBL | INIT_ENB);
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pci_write_config_dword(pci_dev, GEN_CNTL_0, gen_cntl_0);
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#ifdef USE_TASKLET
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tasklet_disable(&he_dev->tasklet);
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#endif
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/* disable recv and transmit */
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@ -1638,7 +1577,6 @@ he_stop(struct he_dev *he_dev)
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he_dev->hsp, he_dev->hsp_phys);
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if (he_dev->rbpl_base) {
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#ifdef USE_RBPL_POOL
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int i;
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for (i = 0; i < CONFIG_RBPL_SIZE; ++i) {
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@ -1647,22 +1585,14 @@ he_stop(struct he_dev *he_dev)
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pci_pool_free(he_dev->rbpl_pool, cpuaddr, dma_handle);
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}
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#else
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pci_free_consistent(he_dev->pci_dev, CONFIG_RBPL_SIZE
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* CONFIG_RBPL_BUFSIZE, he_dev->rbpl_pages, he_dev->rbpl_pages_phys);
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#endif
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pci_free_consistent(he_dev->pci_dev, CONFIG_RBPL_SIZE
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* sizeof(struct he_rbp), he_dev->rbpl_base, he_dev->rbpl_phys);
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}
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#ifdef USE_RBPL_POOL
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if (he_dev->rbpl_pool)
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pci_pool_destroy(he_dev->rbpl_pool);
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#endif
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#ifdef USE_RBPS
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if (he_dev->rbps_base) {
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#ifdef USE_RBPS_POOL
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int i;
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for (i = 0; i < CONFIG_RBPS_SIZE; ++i) {
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@ -1671,20 +1601,12 @@ he_stop(struct he_dev *he_dev)
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pci_pool_free(he_dev->rbps_pool, cpuaddr, dma_handle);
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}
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#else
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pci_free_consistent(he_dev->pci_dev, CONFIG_RBPS_SIZE
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* CONFIG_RBPS_BUFSIZE, he_dev->rbps_pages, he_dev->rbps_pages_phys);
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#endif
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pci_free_consistent(he_dev->pci_dev, CONFIG_RBPS_SIZE
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* sizeof(struct he_rbp), he_dev->rbps_base, he_dev->rbps_phys);
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}
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#ifdef USE_RBPS_POOL
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if (he_dev->rbps_pool)
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pci_pool_destroy(he_dev->rbps_pool);
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#endif
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#endif /* USE_RBPS */
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if (he_dev->rbrq_base)
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pci_free_consistent(he_dev->pci_dev, CONFIG_RBRQ_SIZE * sizeof(struct he_rbrq),
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@ -1698,14 +1620,8 @@ he_stop(struct he_dev *he_dev)
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pci_free_consistent(he_dev->pci_dev, CONFIG_TBRQ_SIZE * sizeof(struct he_tbrq),
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he_dev->tpdrq_base, he_dev->tpdrq_phys);
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#ifdef USE_TPD_POOL
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if (he_dev->tpd_pool)
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pci_pool_destroy(he_dev->tpd_pool);
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#else
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if (he_dev->tpd_base)
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pci_free_consistent(he_dev->pci_dev, CONFIG_NUMTPDS * sizeof(struct he_tpd),
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he_dev->tpd_base, he_dev->tpd_base_phys);
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#endif
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if (he_dev->pci_dev) {
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pci_read_config_word(he_dev->pci_dev, PCI_COMMAND, &command);
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@ -1720,7 +1636,6 @@ he_stop(struct he_dev *he_dev)
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static struct he_tpd *
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__alloc_tpd(struct he_dev *he_dev)
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{
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#ifdef USE_TPD_POOL
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struct he_tpd *tpd;
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dma_addr_t dma_handle;
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@ -1735,27 +1650,6 @@ __alloc_tpd(struct he_dev *he_dev)
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tpd->iovec[2].addr = 0; tpd->iovec[2].len = 0;
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return tpd;
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#else
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int i;
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for (i = 0; i < CONFIG_NUMTPDS; ++i) {
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++he_dev->tpd_head;
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if (he_dev->tpd_head > he_dev->tpd_end) {
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he_dev->tpd_head = he_dev->tpd_base;
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}
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if (!he_dev->tpd_head->inuse) {
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he_dev->tpd_head->inuse = 1;
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he_dev->tpd_head->status &= TPD_MASK;
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he_dev->tpd_head->iovec[0].addr = 0; he_dev->tpd_head->iovec[0].len = 0;
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he_dev->tpd_head->iovec[1].addr = 0; he_dev->tpd_head->iovec[1].len = 0;
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he_dev->tpd_head->iovec[2].addr = 0; he_dev->tpd_head->iovec[2].len = 0;
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return he_dev->tpd_head;
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}
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}
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hprintk("out of tpds -- increase CONFIG_NUMTPDS (%d)\n", CONFIG_NUMTPDS);
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return NULL;
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#endif
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}
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#define AAL5_LEN(buf,len) \
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@ -1804,11 +1698,9 @@ he_service_rbrq(struct he_dev *he_dev, int group)
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RBRQ_CON_CLOSED(he_dev->rbrq_head) ? " CON_CLOSED" : "",
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RBRQ_HBUF_ERR(he_dev->rbrq_head) ? " HBUF_ERR" : "");
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#ifdef USE_RBPS
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if (RBRQ_ADDR(he_dev->rbrq_head) & RBP_SMALLBUF)
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rbp = &he_dev->rbps_base[RBP_INDEX(RBRQ_ADDR(he_dev->rbrq_head))];
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else
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#endif
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rbp = &he_dev->rbpl_base[RBP_INDEX(RBRQ_ADDR(he_dev->rbrq_head))];
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buf_len = RBRQ_BUFLEN(he_dev->rbrq_head) * 4;
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@ -1887,12 +1779,10 @@ he_service_rbrq(struct he_dev *he_dev, int group)
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for (iov = he_vcc->iov_head;
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iov < he_vcc->iov_tail; ++iov) {
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#ifdef USE_RBPS
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if (iov->iov_base & RBP_SMALLBUF)
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memcpy(skb_put(skb, iov->iov_len),
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he_dev->rbps_virt[RBP_INDEX(iov->iov_base)].virt, iov->iov_len);
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else
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#endif
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memcpy(skb_put(skb, iov->iov_len),
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he_dev->rbpl_virt[RBP_INDEX(iov->iov_base)].virt, iov->iov_len);
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}
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@ -1937,11 +1827,9 @@ return_host_buffers:
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for (iov = he_vcc->iov_head;
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iov < he_vcc->iov_tail; ++iov) {
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#ifdef USE_RBPS
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if (iov->iov_base & RBP_SMALLBUF)
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rbp = &he_dev->rbps_base[RBP_INDEX(iov->iov_base)];
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else
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#endif
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rbp = &he_dev->rbpl_base[RBP_INDEX(iov->iov_base)];
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rbp->status &= ~RBP_LOANED;
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@ -1977,9 +1865,7 @@ he_service_tbrq(struct he_dev *he_dev, int group)
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he_dev->hsp->group[group].tbrq_tail);
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struct he_tpd *tpd;
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int slot, updated = 0;
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#ifdef USE_TPD_POOL
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struct he_tpd *__tpd;
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#endif
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/* 2.1.6 transmit buffer return queue */
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@ -1991,7 +1877,6 @@ he_service_tbrq(struct he_dev *he_dev, int group)
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TBRQ_TPD(he_dev->tbrq_head),
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TBRQ_EOS(he_dev->tbrq_head) ? " EOS" : "",
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TBRQ_MULTIPLE(he_dev->tbrq_head) ? " MULTIPLE" : "");
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#ifdef USE_TPD_POOL
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tpd = NULL;
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list_for_each_entry(__tpd, &he_dev->outstanding_tpds, entry) {
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if (TPD_ADDR(__tpd->status) == TBRQ_TPD(he_dev->tbrq_head)) {
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@ -2006,9 +1891,6 @@ he_service_tbrq(struct he_dev *he_dev, int group)
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TBRQ_TPD(he_dev->tbrq_head));
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goto next_tbrq_entry;
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}
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#else
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tpd = &he_dev->tpd_base[ TPD_INDEX(TBRQ_TPD(he_dev->tbrq_head)) ];
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#endif
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if (TBRQ_EOS(he_dev->tbrq_head)) {
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HPRINTK("wake_up(tx_waitq) cid 0x%x\n",
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@ -2038,12 +1920,8 @@ he_service_tbrq(struct he_dev *he_dev, int group)
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}
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next_tbrq_entry:
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#ifdef USE_TPD_POOL
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if (tpd)
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pci_pool_free(he_dev->tpd_pool, tpd, TPD_ADDR(tpd->status));
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#else
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tpd->inuse = 0;
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#endif
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he_dev->tbrq_head = (struct he_tbrq *)
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((unsigned long) he_dev->tbrq_base |
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TBRQ_MASK(++he_dev->tbrq_head));
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@ -2086,7 +1964,6 @@ he_service_rbpl(struct he_dev *he_dev, int group)
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he_writel(he_dev, RBPL_MASK(he_dev->rbpl_tail), G0_RBPL_T);
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}
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#ifdef USE_RBPS
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static void
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he_service_rbps(struct he_dev *he_dev, int group)
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{
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@ -2113,7 +1990,6 @@ he_service_rbps(struct he_dev *he_dev, int group)
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if (moved)
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he_writel(he_dev, RBPS_MASK(he_dev->rbps_tail), G0_RBPS_T);
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}
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#endif /* USE_RBPS */
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static void
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he_tasklet(unsigned long data)
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@ -2124,9 +2000,7 @@ he_tasklet(unsigned long data)
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int updated = 0;
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HPRINTK("tasklet (0x%lx)\n", data);
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#ifdef USE_TASKLET
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spin_lock_irqsave(&he_dev->global_lock, flags);
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#endif
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while (he_dev->irq_head != he_dev->irq_tail) {
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++updated;
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@ -2141,9 +2015,7 @@ he_tasklet(unsigned long data)
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case ITYPE_RBRQ_TIMER:
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if (he_service_rbrq(he_dev, group)) {
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he_service_rbpl(he_dev, group);
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#ifdef USE_RBPS
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he_service_rbps(he_dev, group);
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#endif /* USE_RBPS */
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}
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break;
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case ITYPE_TBRQ_THRESH:
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@ -2156,9 +2028,7 @@ he_tasklet(unsigned long data)
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he_service_rbpl(he_dev, group);
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break;
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case ITYPE_RBPS_THRESH:
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#ifdef USE_RBPS
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he_service_rbps(he_dev, group);
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#endif /* USE_RBPS */
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break;
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case ITYPE_PHY:
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HPRINTK("phy interrupt\n");
|
||||
|
|
@ -2186,9 +2056,7 @@ he_tasklet(unsigned long data)
|
|||
|
||||
he_service_rbrq(he_dev, 0);
|
||||
he_service_rbpl(he_dev, 0);
|
||||
#ifdef USE_RBPS
|
||||
he_service_rbps(he_dev, 0);
|
||||
#endif /* USE_RBPS */
|
||||
he_service_tbrq(he_dev, 0);
|
||||
break;
|
||||
default:
|
||||
|
|
@ -2210,9 +2078,7 @@ he_tasklet(unsigned long data)
|
|||
IRQ_TAIL(he_dev->irq_tail), IRQ0_HEAD);
|
||||
(void) he_readl(he_dev, INT_FIFO); /* 8.1.2 controller errata; flush posted writes */
|
||||
}
|
||||
#ifdef USE_TASKLET
|
||||
spin_unlock_irqrestore(&he_dev->global_lock, flags);
|
||||
#endif
|
||||
}
|
||||
|
||||
static irqreturn_t
|
||||
|
|
@ -2244,11 +2110,7 @@ he_irq_handler(int irq, void *dev_id)
|
|||
|
||||
if (he_dev->irq_head != he_dev->irq_tail) {
|
||||
handled = 1;
|
||||
#ifdef USE_TASKLET
|
||||
tasklet_schedule(&he_dev->tasklet);
|
||||
#else
|
||||
he_tasklet((unsigned long) he_dev);
|
||||
#endif
|
||||
he_writel(he_dev, INT_CLEAR_A, INT_FIFO); /* clear interrupt */
|
||||
(void) he_readl(he_dev, INT_FIFO); /* flush posted writes */
|
||||
}
|
||||
|
|
@ -2305,23 +2167,14 @@ __enqueue_tpd(struct he_dev *he_dev, struct he_tpd *tpd, unsigned cid)
|
|||
dev_kfree_skb_any(tpd->skb);
|
||||
atomic_inc(&tpd->vcc->stats->tx_err);
|
||||
}
|
||||
#ifdef USE_TPD_POOL
|
||||
pci_pool_free(he_dev->tpd_pool, tpd, TPD_ADDR(tpd->status));
|
||||
#else
|
||||
tpd->inuse = 0;
|
||||
#endif
|
||||
return;
|
||||
}
|
||||
}
|
||||
|
||||
/* 2.1.5 transmit packet descriptor ready queue */
|
||||
#ifdef USE_TPD_POOL
|
||||
list_add_tail(&tpd->entry, &he_dev->outstanding_tpds);
|
||||
he_dev->tpdrq_tail->tpd = TPD_ADDR(tpd->status);
|
||||
#else
|
||||
he_dev->tpdrq_tail->tpd = he_dev->tpd_base_phys +
|
||||
(TPD_INDEX(tpd->status) * sizeof(struct he_tpd));
|
||||
#endif
|
||||
he_dev->tpdrq_tail->cid = cid;
|
||||
wmb();
|
||||
|
||||
|
|
@ -2511,13 +2364,8 @@ he_open(struct atm_vcc *vcc)
|
|||
goto open_failed;
|
||||
}
|
||||
|
||||
#ifdef USE_RBPS
|
||||
rsr1 = RSR1_GROUP(0);
|
||||
rsr4 = RSR4_GROUP(0);
|
||||
#else /* !USE_RBPS */
|
||||
rsr1 = RSR1_GROUP(0)|RSR1_RBPL_ONLY;
|
||||
rsr4 = RSR4_GROUP(0)|RSR4_RBPL_ONLY;
|
||||
#endif /* USE_RBPS */
|
||||
rsr0 = vcc->qos.rxtp.traffic_class == ATM_UBR ?
|
||||
(RSR0_EPD_ENABLE|RSR0_PPD_ENABLE) : 0;
|
||||
|
||||
|
|
|
|||
|
|
@ -51,8 +51,6 @@
|
|||
#define CONFIG_IRQ_SIZE 128
|
||||
#define CONFIG_IRQ_THRESH (CONFIG_IRQ_SIZE/2)
|
||||
|
||||
#define CONFIG_NUMTPDS 256
|
||||
|
||||
#define CONFIG_TPDRQ_SIZE 512
|
||||
#define TPDRQ_MASK(x) (((unsigned long)(x))&((CONFIG_TPDRQ_SIZE<<3)-1))
|
||||
|
||||
|
|
@ -140,12 +138,7 @@ struct he_tpd {
|
|||
struct sk_buff *skb;
|
||||
struct atm_vcc *vcc;
|
||||
|
||||
#ifdef USE_TPD_POOL
|
||||
struct list_head entry;
|
||||
#else
|
||||
u32 inuse;
|
||||
char padding[32 - sizeof(u32) - (2*sizeof(void*))];
|
||||
#endif
|
||||
};
|
||||
|
||||
#define TPD_ALIGNMENT 64
|
||||
|
|
@ -291,16 +284,9 @@ struct he_dev {
|
|||
volatile unsigned *irq_tailoffset;
|
||||
int irq_peak;
|
||||
|
||||
#ifdef USE_TASKLET
|
||||
struct tasklet_struct tasklet;
|
||||
#endif
|
||||
#ifdef USE_TPD_POOL
|
||||
struct pci_pool *tpd_pool;
|
||||
struct list_head outstanding_tpds;
|
||||
#else
|
||||
struct he_tpd *tpd_head, *tpd_base, *tpd_end;
|
||||
dma_addr_t tpd_base_phys;
|
||||
#endif
|
||||
|
||||
dma_addr_t tpdrq_phys;
|
||||
struct he_tpdrq *tpdrq_base, *tpdrq_tail, *tpdrq_head;
|
||||
|
|
@ -311,25 +297,13 @@ struct he_dev {
|
|||
struct he_rbrq *rbrq_base, *rbrq_head;
|
||||
int rbrq_peak;
|
||||
|
||||
#ifdef USE_RBPL_POOL
|
||||
struct pci_pool *rbpl_pool;
|
||||
#else
|
||||
void *rbpl_pages;
|
||||
dma_addr_t rbpl_pages_phys;
|
||||
#endif
|
||||
dma_addr_t rbpl_phys;
|
||||
struct he_rbp *rbpl_base, *rbpl_tail;
|
||||
struct he_virt *rbpl_virt;
|
||||
int rbpl_peak;
|
||||
|
||||
#ifdef USE_RBPS
|
||||
#ifdef USE_RBPS_POOL
|
||||
struct pci_pool *rbps_pool;
|
||||
#else
|
||||
void *rbps_pages;
|
||||
dma_addr_t rbps_pages_phys;
|
||||
#endif
|
||||
#endif
|
||||
dma_addr_t rbps_phys;
|
||||
struct he_rbp *rbps_base, *rbps_tail;
|
||||
struct he_virt *rbps_virt;
|
||||
|
|
|
|||
Reference in New Issue