Date: Mon, 1 Feb 2010 18:27:19 +0000 (UTC) From: John Baldwin <jhb@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-7@freebsd.org Subject: svn commit: r203353 - stable/7/sys/dev/e1000 Message-ID: <201002011827.o11IRJva037191@svn.freebsd.org>
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Author: jhb Date: Mon Feb 1 18:27:19 2010 New Revision: 203353 URL: http://svn.freebsd.org/changeset/base/203353 Log: MFC: Disable the alignment restrictions in the bus dma tags for RX and TX buffers. Recent fixes to bus dma exposed a bug somewhere (igb?) that caused igb(4) to no longer receive packets without this change. Approved by: re (kib) Modified: stable/7/sys/dev/e1000/if_igb.c Modified: stable/7/sys/dev/e1000/if_igb.c ============================================================================== --- stable/7/sys/dev/e1000/if_igb.c Mon Feb 1 17:51:01 2010 (r203352) +++ stable/7/sys/dev/e1000/if_igb.c Mon Feb 1 18:27:19 2010 (r203353) @@ -2767,7 +2767,7 @@ igb_allocate_transmit_buffers(struct tx_ * Setup DMA descriptor areas. */ if ((error = bus_dma_tag_create(NULL, /* parent */ - PAGE_SIZE, 0, /* alignment, bounds */ + 1, 0, /* alignment, bounds */ BUS_SPACE_MAXADDR, /* lowaddr */ BUS_SPACE_MAXADDR, /* highaddr */ NULL, NULL, /* filter, filterarg */ @@ -3392,7 +3392,7 @@ igb_allocate_receive_buffers(struct rx_r } if ((error = bus_dma_tag_create(NULL, /* parent */ - PAGE_SIZE, 0, /* alignment, bounds */ + 1, 0, /* alignment, bounds */ BUS_SPACE_MAXADDR, /* lowaddr */ BUS_SPACE_MAXADDR, /* highaddr */ NULL, NULL, /* filter, filterarg */
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