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authoryongari <yongari@FreeBSD.org>2014-03-31 01:54:59 +0000
committeryongari <yongari@FreeBSD.org>2014-03-31 01:54:59 +0000
commite1b5ce307a401cee03e8762e864442953d82c590 (patch)
tree74de747b83372a8f57da81c4b04485edfa799ecc /sys/dev/nfe
parenteebc91c3f07da2be029d067225ea5126070dce16 (diff)
downloadFreeBSD-src-e1b5ce307a401cee03e8762e864442953d82c590.zip
FreeBSD-src-e1b5ce307a401cee03e8762e864442953d82c590.tar.gz
Increase the number of TX DMA segments from 32 to 35. It turned
out 32 is not enough to support a full sized TSO packet. While I'm here fix a long standing bug introduced in r169632 in bce(4) where it didn't include L2 header length of TSO packet in the maximum DMA segment size calculation. In collaboration with: rmacklem MFC after: 2 weeks
Diffstat (limited to 'sys/dev/nfe')
-rw-r--r--sys/dev/nfe/if_nfereg.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/sys/dev/nfe/if_nfereg.h b/sys/dev/nfe/if_nfereg.h
index 59c88c7..748c25b 100644
--- a/sys/dev/nfe/if_nfereg.h
+++ b/sys/dev/nfe/if_nfereg.h
@@ -40,7 +40,7 @@
(NFE_JUMBO_FRAMELEN - NFE_RX_HEADERS)
#define NFE_MIN_FRAMELEN (ETHER_MIN_LEN - ETHER_CRC_LEN)
-#define NFE_MAX_SCATTER 32
+#define NFE_MAX_SCATTER 35
#define NFE_TSO_MAXSGSIZE 4096
#define NFE_TSO_MAXSIZE (65535 + sizeof(struct ether_vlan_header))
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