diff options
Diffstat (limited to 'drivers/net/ethernet/stmicro/stmmac/norm_desc.c')
| -rw-r--r-- | drivers/net/ethernet/stmicro/stmmac/norm_desc.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/net/ethernet/stmicro/stmmac/norm_desc.c b/drivers/net/ethernet/stmicro/stmmac/norm_desc.c index 029c2a2cf52..e13226b80d4 100644 --- a/drivers/net/ethernet/stmicro/stmmac/norm_desc.c +++ b/drivers/net/ethernet/stmicro/stmmac/norm_desc.c @@ -126,6 +126,7 @@ static void ndesc_init_rx_desc(struct dma_desc *p, unsigned int ring_size, for (i = 0; i < ring_size; i++) { p->des01.rx.own = 1; p->des01.rx.buffer1_size = BUF_SIZE_2KiB - 1; + p->des01.rx.buffer2_size = BUF_SIZE_2KiB - 1; if (i == ring_size - 1) p->des01.rx.end_ring = 1; if (disable_rx_ic) @@ -183,7 +184,12 @@ static void ndesc_prepare_tx_desc(struct dma_desc *p, int is_fs, int len, int csum_flag) { p->des01.tx.first_segment = is_fs; - p->des01.tx.buffer1_size = len; + + if (unlikely(len > BUF_SIZE_2KiB)) { + p->des01.etx.buffer1_size = BUF_SIZE_2KiB - 1; + p->des01.etx.buffer2_size = len - p->des01.etx.buffer1_size; + } else + p->des01.tx.buffer1_size = len; } static void ndesc_clear_tx_ic(struct dma_desc *p) |