diff options
Diffstat (limited to 'drivers/infiniband/hw/ipath/ipath_driver.c')
| -rw-r--r-- | drivers/infiniband/hw/ipath/ipath_driver.c | 60 |
1 files changed, 36 insertions, 24 deletions
diff --git a/drivers/infiniband/hw/ipath/ipath_driver.c b/drivers/infiniband/hw/ipath/ipath_driver.c index 467816043d1..68fc9b5a4ad 100644 --- a/drivers/infiniband/hw/ipath/ipath_driver.c +++ b/drivers/infiniband/hw/ipath/ipath_driver.c @@ -755,8 +755,8 @@ static void get_rhf_errstring(u32 err, char *msg, size_t len) static inline void *ipath_get_egrbuf(struct ipath_devdata *dd, u32 bufnum, int err) { - return dd->ipath_port0_skbs ? - (void *)dd->ipath_port0_skbs[bufnum]->data : NULL; + return dd->ipath_port0_skbinfo ? + (void *) dd->ipath_port0_skbinfo[bufnum].skb->data : NULL; } /** @@ -778,31 +778,34 @@ struct sk_buff *ipath_alloc_skb(struct ipath_devdata *dd, */ /* - * We need 4 extra bytes for unaligned transfer copying + * We need 2 extra bytes for ipath_ether data sent in the + * key header. In order to keep everything dword aligned, + * we'll reserve 4 bytes. */ + len = dd->ipath_ibmaxlen + 4; + if (dd->ipath_flags & IPATH_4BYTE_TID) { - /* we need a 4KB multiple alignment, and there is no way + /* We need a 2KB multiple alignment, and there is no way * to do it except to allocate extra and then skb_reserve * enough to bring it up to the right alignment. */ - len = dd->ipath_ibmaxlen + 4 + (1 << 11) - 1; + len += 2047; } - else - len = dd->ipath_ibmaxlen + 4; + skb = __dev_alloc_skb(len, gfp_mask); if (!skb) { ipath_dev_err(dd, "Failed to allocate skbuff, length %u\n", len); goto bail; } + + skb_reserve(skb, 4); + if (dd->ipath_flags & IPATH_4BYTE_TID) { - u32 una = ((1 << 11) - 1) & (unsigned long)(skb->data + 4); + u32 una = (unsigned long)skb->data & 2047; if (una) - skb_reserve(skb, 4 + (1 << 11) - una); - else - skb_reserve(skb, 4); - } else - skb_reserve(skb, 4); + skb_reserve(skb, 2048 - una); + } bail: return skb; @@ -1345,8 +1348,9 @@ int ipath_create_rcvhdrq(struct ipath_devdata *dd, ipath_cdbg(VERBOSE, "reuse port %d rcvhdrq @%p %llx phys; " "hdrtailaddr@%p %llx physical\n", pd->port_port, pd->port_rcvhdrq, - pd->port_rcvhdrq_phys, pd->port_rcvhdrtail_kvaddr, - (unsigned long long)pd->port_rcvhdrqtailaddr_phys); + (unsigned long long) pd->port_rcvhdrq_phys, + pd->port_rcvhdrtail_kvaddr, (unsigned long long) + pd->port_rcvhdrqtailaddr_phys); /* clear for security and sanity on each use */ memset(pd->port_rcvhdrq, 0, pd->port_rcvhdrq_size); @@ -1827,17 +1831,22 @@ void ipath_free_pddata(struct ipath_devdata *dd, struct ipath_portdata *pd) kfree(pd->port_rcvegrbuf_phys); pd->port_rcvegrbuf_phys = NULL; pd->port_rcvegrbuf_chunks = 0; - } else if (pd->port_port == 0 && dd->ipath_port0_skbs) { + } else if (pd->port_port == 0 && dd->ipath_port0_skbinfo) { unsigned e; - struct sk_buff **skbs = dd->ipath_port0_skbs; + struct ipath_skbinfo *skbinfo = dd->ipath_port0_skbinfo; - dd->ipath_port0_skbs = NULL; - ipath_cdbg(VERBOSE, "free closed port %d ipath_port0_skbs " - "@ %p\n", pd->port_port, skbs); + dd->ipath_port0_skbinfo = NULL; + ipath_cdbg(VERBOSE, "free closed port %d " + "ipath_port0_skbinfo @ %p\n", pd->port_port, + skbinfo); for (e = 0; e < dd->ipath_rcvegrcnt; e++) - if (skbs[e]) - dev_kfree_skb(skbs[e]); - vfree(skbs); + if (skbinfo[e].skb) { + pci_unmap_single(dd->pcidev, skbinfo[e].phys, + dd->ipath_ibmaxlen, + PCI_DMA_FROMDEVICE); + dev_kfree_skb(skbinfo[e].skb); + } + vfree(skbinfo); } kfree(pd->port_tid_pg_list); vfree(pd->subport_uregbase); @@ -1934,7 +1943,7 @@ static void cleanup_device(struct ipath_devdata *dd) if (dd->ipath_pioavailregs_dma) { dma_free_coherent(&dd->pcidev->dev, PAGE_SIZE, - dd->ipath_pioavailregs_dma, + (void *) dd->ipath_pioavailregs_dma, dd->ipath_pioavailregs_phys); dd->ipath_pioavailregs_dma = NULL; } @@ -1947,6 +1956,7 @@ static void cleanup_device(struct ipath_devdata *dd) if (dd->ipath_pageshadow) { struct page **tmpp = dd->ipath_pageshadow; + dma_addr_t *tmpd = dd->ipath_physshadow; int i, cnt = 0; ipath_cdbg(VERBOSE, "Unlocking any expTID pages still " @@ -1957,6 +1967,8 @@ static void cleanup_device(struct ipath_devdata *dd) for (i = port_tidbase; i < maxtid; i++) { if (!tmpp[i]) continue; + pci_unmap_page(dd->pcidev, tmpd[i], + PAGE_SIZE, PCI_DMA_FROMDEVICE); ipath_release_user_pages(&tmpp[i], 1); tmpp[i] = NULL; cnt++; |