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author | kmacy <kmacy@FreeBSD.org> | 2008-11-22 05:55:56 +0000 |
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committer | kmacy <kmacy@FreeBSD.org> | 2008-11-22 05:55:56 +0000 |
commit | 9d3bb599b193495af5419ee85be4afe9a18b6091 (patch) | |
tree | 0291af1a0fda6ca2d8e62cb1f363d45baefe0303 /sys/dev/mxge | |
parent | fb7f8e0e59cfa5b30a6f0b0d1377402f14c64673 (diff) | |
download | FreeBSD-src-9d3bb599b193495af5419ee85be4afe9a18b6091.zip FreeBSD-src-9d3bb599b193495af5419ee85be4afe9a18b6091.tar.gz |
- bump __FreeBSD version to reflect added buf_ring, memory barriers,
and ifnet functions
- add memory barriers to <machine/atomic.h>
- update drivers to only conditionally define their own
- add lockless producer / consumer ring buffer
- remove ring buffer implementation from cxgb and update its callers
- add if_transmit(struct ifnet *ifp, struct mbuf *m) to ifnet to
allow drivers to efficiently manage multiple hardware queues
(i.e. not serialize all packets through one ifq)
- expose if_qflush to allow drivers to flush any driver managed queues
This work was supported by Bitgravity Inc. and Chelsio Inc.
Diffstat (limited to 'sys/dev/mxge')
-rw-r--r-- | sys/dev/mxge/if_mxge_var.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/sys/dev/mxge/if_mxge_var.h b/sys/dev/mxge/if_mxge_var.h index 2112786..e57c637 100644 --- a/sys/dev/mxge/if_mxge_var.h +++ b/sys/dev/mxge/if_mxge_var.h @@ -279,6 +279,8 @@ struct mxge_media_type /* implement our own memory barriers, since bus_space_barrier cannot handle write-combining regions */ +#if __FreeBSD_version < 800053 + #if defined (__GNUC__) #if #cpu(i386) || defined __i386 || defined i386 || defined __i386__ || #cpu(x86_64) || defined __x86_64__ #define mb() __asm__ __volatile__ ("sfence;": : :"memory") @@ -293,6 +295,8 @@ struct mxge_media_type #error "unknown compiler" #endif +#endif + static inline void mxge_pio_copy(volatile void *to_v, void *from_v, size_t size) { |