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| author | obrien <obrien@FreeBSD.org> | 2006-11-27 00:16:47 +0000 |
|---|---|---|
| committer | obrien <obrien@FreeBSD.org> | 2006-11-27 00:16:47 +0000 |
| commit | 3307fcd371a87833555f145d80a017a1300664b2 (patch) | |
| tree | f440a638e27cc349d82d3aefce1fdce7b9686d2c /sys/dev/nfe/if_nfereg.h | |
| parent | af9da80693037c619bbdb12fd8054c5e1bb47c72 (diff) | |
| download | FreeBSD-src-3307fcd371a87833555f145d80a017a1300664b2.zip FreeBSD-src-3307fcd371a87833555f145d80a017a1300664b2.tar.gz | |
Fix the jumbo frame support.
Submitted by: Peer Chen at nVIDIA (reworked by me)
Diffstat (limited to 'sys/dev/nfe/if_nfereg.h')
| -rw-r--r-- | sys/dev/nfe/if_nfereg.h | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/sys/dev/nfe/if_nfereg.h b/sys/dev/nfe/if_nfereg.h index 53a96cc..d767c98 100644 --- a/sys/dev/nfe/if_nfereg.h +++ b/sys/dev/nfe/if_nfereg.h @@ -23,9 +23,15 @@ #define NFE_RX_RING_COUNT 128 #define NFE_TX_RING_COUNT 256 +/* RX/TX MAC addr + type + VLAN + align + slack */ +#define NFE_RX_HEADERS 64 + +/* Maximum MTU size. */ +#define NV_PKTLIMIT_1 ETH_DATA_LEN /* Hard limit not known. */ +#define NV_PKTLIMIT_2 9100 /* Actual limit according to NVidia:9202 */ + #define NFE_JBYTES (ETHER_MAX_LEN_JUMBO + ETHER_ALIGN) -#define NFE_JPOOL_COUNT (NFE_RX_RING_COUNT + 64) -#define NFE_JPOOL_SIZE (NFE_JPOOL_COUNT * NFE_JBYTES) +#define NFE_JPOOL_COUNT (NFE_RX_RING_COUNT + NFE_RX_HEADERS) #define NFE_MAX_SCATTER (NFE_TX_RING_COUNT - 2) |
