diff options
Diffstat (limited to 'drivers/net/ethernet/stmicro/stmmac/norm_desc.c')
| -rw-r--r-- | drivers/net/ethernet/stmicro/stmmac/norm_desc.c | 37 |
1 files changed, 29 insertions, 8 deletions
diff --git a/drivers/net/ethernet/stmicro/stmmac/norm_desc.c b/drivers/net/ethernet/stmicro/stmmac/norm_desc.c index e13228f115f0..2beacd0d3043 100644 --- a/drivers/net/ethernet/stmicro/stmmac/norm_desc.c +++ b/drivers/net/ethernet/stmicro/stmmac/norm_desc.c @@ -199,11 +199,6 @@ static void ndesc_prepare_tx_desc(struct dma_desc *p, int is_fs, int len, { unsigned int tdes1 = p->des1; - if (mode == STMMAC_CHAIN_MODE) - norm_set_tx_desc_len_on_chain(p, len); - else - norm_set_tx_desc_len_on_ring(p, len); - if (is_fs) tdes1 |= TDES1_FIRST_SEGMENT; else @@ -217,10 +212,15 @@ static void ndesc_prepare_tx_desc(struct dma_desc *p, int is_fs, int len, if (ls) tdes1 |= TDES1_LAST_SEGMENT; - if (tx_own) - tdes1 |= TDES0_OWN; - p->des1 = tdes1; + + if (mode == STMMAC_CHAIN_MODE) + norm_set_tx_desc_len_on_chain(p, len); + else + norm_set_tx_desc_len_on_ring(p, len); + + if (tx_own) + p->des0 |= TDES0_OWN; } static void ndesc_set_tx_ic(struct dma_desc *p) @@ -279,6 +279,26 @@ static int ndesc_get_rx_timestamp_status(void *desc, u32 ats) return 1; } +static void ndesc_display_ring(void *head, unsigned int size, bool rx) +{ + struct dma_desc *p = (struct dma_desc *)head; + int i; + + pr_info("%s descriptor ring:\n", rx ? "RX" : "TX"); + + for (i = 0; i < size; i++) { + u64 x; + + x = *(u64 *)p; + pr_info("%d [0x%x]: 0x%x 0x%x 0x%x 0x%x", + i, (unsigned int)virt_to_phys(p), + (unsigned int)x, (unsigned int)(x >> 32), + p->des2, p->des3); + p++; + } + pr_info("\n"); +} + const struct stmmac_desc_ops ndesc_ops = { .tx_status = ndesc_get_tx_status, .rx_status = ndesc_get_rx_status, @@ -297,4 +317,5 @@ const struct stmmac_desc_ops ndesc_ops = { .get_tx_timestamp_status = ndesc_get_tx_timestamp_status, .get_timestamp = ndesc_get_timestamp, .get_rx_timestamp_status = ndesc_get_rx_timestamp_status, + .display_ring = ndesc_display_ring, }; |