Change the DMA alignment from 4096 bytes to 16 bytes, to conserve available DMA memory. The hardware doesn't have any specifiy alignment requirements.
Signed-off-by: Thomas Miletich<[email protected]> --- src/drivers/net/tg3/tg3.h | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/src/drivers/net/tg3/tg3.h b/src/drivers/net/tg3/tg3.h index a56d784..1913cb1 100644 --- a/src/drivers/net/tg3/tg3.h +++ b/src/drivers/net/tg3/tg3.h @@ -3277,8 +3277,7 @@ struct tg3 { #define TG3_TX_RING_SIZE 512 #define TG3_DEF_TX_RING_PENDING (TG3_TX_RING_SIZE - 1) -/* FIXME: look up alignment requirement in datasheet, page align for now */ -#define TG3_DMA_ALIGNMENT 4096 +#define TG3_DMA_ALIGNMENT 16 #define TG3_RX_STD_DMA_SZ (1536 + 64 + 2) -- 1.7.9.5 _______________________________________________ ipxe-devel mailing list [email protected] https://lists.ipxe.org/mailman/listinfo.cgi/ipxe-devel
