diff options
| -rw-r--r-- | freebsd/sys/dev/ffec/if_ffec.c | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/freebsd/sys/dev/ffec/if_ffec.c b/freebsd/sys/dev/ffec/if_ffec.c index e8287ed2..47c0f770 100644 --- a/freebsd/sys/dev/ffec/if_ffec.c +++ b/freebsd/sys/dev/ffec/if_ffec.c @@ -714,15 +714,16 @@ ffec_encap(struct ifnet *ifp, struct ffec_softc *sc, struct mbuf *m0, tx_desc->buf_paddr = segs[i].ds_addr; tx_desc->flags2 = flags2; #ifdef __rtems__ - uintptr_t addr_flush = (uintptr_t)segs[i].ds_addr; + uintptr_t first_flush = (uintptr_t)segs[i].ds_addr; size_t len_flush = segs[i].ds_len; #ifdef CPU_CACHE_LINE_BYTES + uintptr_t last_flush = first_flush + len_flush; /* mbufs should be cache line aligned. So we can just round. */ - addr_flush = addr_flush & ~(CPU_CACHE_LINE_BYTES - 1); - len_flush = (len_flush + (CPU_CACHE_LINE_BYTES - 1)) & - ~(CPU_CACHE_LINE_BYTES - 1); + first_flush = rounddown2(first_flush, CPU_CACHE_LINE_BYTES); + last_flush = roundup2(last_flush, CPU_CACHE_LINE_BYTES); + len_flush = last_flush - first_flush; #endif - rtems_cache_flush_multiple_data_lines((void*)addr_flush, + rtems_cache_flush_multiple_data_lines((void*)first_flush, len_flush); #endif /* __rtems__ */ |